LUBRIZOL ADVANCED MATERIALS, INC. Patent applications |
Patent application number | Title | Published |
20160022566 | IMPROVED FOAMING PERFORMANCE IN CLEANSING COMPOSITIONS THROUGH THE USE OF NONIONIC, AMPHIPHILIC POLYMERS - The invention relates to a method for improving the foaming and/or yield value properties associated with surfactant containing compositions comprising at least one anionic surfactant, the method comprises combining an effective amount of at least one nonionic, amphiphilic polymer with at least one anionic detersive surfactant in combination with an optional surfactant selected from amphoteric surfactants, nonionic surfactants and combinations of two or more thereof. The at least one nonionic amphiphilic polymer is prepared from a free radically polymerizable monomer composition comprising at least one hydrophilic monomer and at least one hydrophobic monomer, wherein said hydrophilic monomer is selected from a N-vinyl lactam and wherein said hydrophobic monomer is selected from a vinyl ester of a C | 01-28-2016 |
20160022557 | Alkyl Glycoside-Based Micellar Thickeners For Surfactant Systems - A rheology modifier which includes a mixture of short and long chain fatty acid esters is suitable for use in liquid surfactant-based compositions. A surfactant-based composition includes a surfactant, the rheology modifier, and water. The rheology modifier includes a mixture of alkyl glycoside fatty acid esters including a long chain fatty acid ester of an alkyl glycoside and a short chain fatty acid ester of an alkyl glycoside. The long chain fatty acid ester includes at least one fatty acid residue: R | 01-28-2016 |
20160017070 | PROCESS FOR PREPARING SURFACTANT RESPONSIVE EMULSION POLYMERS - A process for preparing a vinyl acetate rich polymer for formulating surfactant containing compositions comprising at least one anionic surfactant and having yield stress properties without a significant increase in viscosity, low turbidity, and the ability to suspend insoluble materials in the form of particulates and/or droplets that require suspension or stabilization is disclosed. | 01-21-2016 |
20160015622 | Surfactant Activated Microgel Polymers And Methods To Mitigate The Loss Of Silicone Deposition From Keratinous Substrates - A conditioning and cleansing composition comprising at least one detersive surfactant, a silicone conditioning agent and a nonionic, amphiphilic polymer that mitigates the loss silicone deposition on keratinous substrates is disclosed. The nonionic, amphiphilic polymer is prepared by polymerizing a monomer composition comprising: a) from about 55 to about 95 wt. % of at least one vinyl amide monomer (based on the weight of the total monomers present); b) from about 5 to about 45 wt. % of at least one vinyl ester of an aliphatic carboxylic acid containing an acyl moiety having 2 to 22 carbon atoms (based on the weight of the total monomers present); c) from about 0 to about 1 wt. % of at least one polyunsaturated crosslinking monomer containing at least two polymerizable ethylenically unsaturated moieties (based on the total dry weight of the polymer); d) from about 0 to about 10 wt. % of at least one C1-C22 alkyl (meth)acrylate (based on the weight of the total monomers present); e) from about 0 to about 10 wt. % of an alkoxylated associative monomer (based on the weight of the total monomers present); f) from about 0 to about 10 wt. % of an alkoxylated semi-hydrophobic monomer (based on the weight of the total monomers present); and g) from about 0 to about 5 wt. % of at least one vinyl ester of an aliphatic carboxylic acid containing an acyl moiety having 2 to 22 carbon atoms (based on the weight of the total monomers present) other than vinyl acetate. | 01-21-2016 |
20160002403 | TELECHELIC N-ALKYLATED POLYAMIDE POLYMERS AND COPOLYMERS - Low glass transition temperature polyamide oligomers or telechelic polyamides are formed from monomers forming tertiary amide linkages. These polyamides can be used with co-reactants to form high molecular weight or crosslinked polymers with desirable polyamide properties. | 01-07-2016 |
20150376325 | POLYMERS MADE FROM TELECHELIC N-ALKYLATED POLYAMIDES - This invention relates to polymers made from low molecular weight polyamide oligomers and telechelic polyamides (including copolymers) containing N-alkylated amide groups in the backbone structure. The described telechelic polyamides are used as the soft segment in the described TPU. These telechelic polyamides are unique in that they have an unexpectedly low glass-transition (desirably 30 degrees C. or lower) which makes them suitable for further reaction and polymerization, allowing for the formation of the described TPU. The resulting TPU can provide improved hydrolytic, oxidative and/or thermal stability as well as improved adhesion to other materials, especially polar materials. | 12-31-2015 |
20150374604 | SEMI-PERMANENT HAIR STRAIGHTENING COMPOSITION AND METHOD - A composition and a process for straightening hair are disclosed. The process includes coating keratin fibers with a composition comprising a thermally-activated agent and contacting the coated keratin fibers with a heating device at a temperature of at least 185° C. for sufficient time to modify the keratin fibers. The thermally-activated agent comprises a heterocyclic compound containing two heteroatoms selected from nitrogen and oxygen in a 5 or 6-membered ring, such as a cyclic alkylene carbonate. | 12-31-2015 |
20150342860 | IRRITATION MITIGATING POLYMERS AND USES THEREFOR - The present invention provides mild cleansing and cleaning compositions and methods for mitigating irritation induced by harsh detersive surfactants. The invention relates to a method of reducing skin irritation associated with a cleansing composition comprising at least one surfactant, the method comprising combining an effective amount of at least one nonionic amphiphilic polymer with at least one detersive surfactant selected from anionic surfactants, amphoteric surfactants, nonionic surfactants and combinations of two or more thereof. The at least one nonionic amphiphilic irritation mitigating polymer is prepared from a free radically polymerizable monomer composition comprising at least one hydrophilic monomer and at least one hydrophobic monomer, wherein said N-vinyl lactam and wherein said hydrophobic monomer is selected from a vinyl ester of a C | 12-03-2015 |
20150342858 | CARBOXYETHYL ACRYLATE CONTAINING COPOLYMER STABILIZER/THICKENERS AND METHODS TO MITIGATE THE LOSS OF SILICONE DEPOSITION ON KERATINOUS SUBSTRATES - A conditioning cleansing composition comprising at least one detersive surfactant, a silicone conditioning agent and a crosslinked acrylic copolymer stabilizer/thickener that mitigates the loss silicone deposition on keratinous substrates is disclosed. The crosslinked acrylic copolymer is prepared by polymerizing a monomer composition comprising: a) from about 5 to about 50 wt. % of carboxyethyl acrylate and/or oligomers thereof; b) from about 30 to about 95 wt. % of a monomer selected from ethyl acrylate, vinyl acetate, or mixtures thereof; c) from about 0 to about 50 wt. % of (meth)acrylic acid; and d) from about 0.001 to about 5 wt. % of a polyunsaturated crosslinking monomer containing at least two polymerizable ethylenically unsaturated moieties. | 12-03-2015 |
20150335565 | IRRITATION MITIGATING POLYMERS AND USES THEREFOR - The present invention provides mild cleansing and cleaning compositions and methods for mitigating irritation induced by harsh detersive surfactants contained therein. The invention relates to a method of reducing skin irritation associated with a cleansing composition comprising at least one surfactant, the method comprising combining an effective amount of at least one nonionic amphiphilic polymer with at least one detersive surfactant selected from anionic surfactants, amphoteric surfactants, nonionic surfactants and combinations of two or more thereof. The at least one nonionic amphiphilic irritation mitigating polymer is prepared from a free radically polymerizable monomer composition comprising at least one hydrophilic monomer and at least one hydrophobic monomer. | 11-26-2015 |
20150299948 | FABRIC PRETREATMENT FOR DIGITAL PRINTING - An aqueous cationic polyurethane dispersion, coagulating acids, and a reactive crosslinking moiety are disclosed for use as pretreatment for digital printing on substrates such as textiles and garments. The pretreatment comprises a polyurethane having properly positioned tertiary amino groups, generally protonated or quaternized, in combination with a reactive crosslinker, coagulating acid, and some di- or polyvalent metal ions. | 10-22-2015 |
20150299377 | THERMOPLASTIC POLYURETHANES WITH CRYSTALLINE CHAIN ENDS - The present invention relates to novel thermoplastic polyurethane (TPU) compositions that have crystalline chain ends. The TPU compositions of the invention can provide improved resiliency, lower surface free energy, and/or reduced stickiness, while maintaining other desirable physical properties. The present invention also provides the described TPU compositions that are further grafted with vinyl alkoxysilane moieties allowing for crosslinked networks of the TPU compositions. The present invention also provides plasticizer-free, very soft TPU compositions without the processing difficulties often associated with such materials. The invention further provides means of reducing the surface tension of a TPU composition which can allow for improved blend compositions, and means of crosslinking the described TPU compositions. | 10-22-2015 |
20150291791 | BIOABSORBABLE POLYMER BLENDS - The invention provides a bioabsorbable blend of (i) a polymer component comprising polylactic acid (PLA), polyglycolic acid (PGA), a copolymer of PLA and PGA, or any combination thereof and (ii) thermoplastic polyurethane (TPU) tailored to a medical application, and a process for making the same. In some embodiments the TPU comprises units derived from a diol chain extender, a diisocyanate, and a polyol formulated to provide a set biodegradation rate in combination with at least one physical property. The blend of the invention provides useful materials for medical applications that have the individual benefits of polylactic acid and TPU while moderating each material's typical limitations. | 10-15-2015 |
20150284554 | CPVC PIPE WITH 25% HIGHER HYDROSTATIC DESIGN BASIS THAN REQUIRED UNDER ASTM D2846 - CPVC pipe in diameters in the range from 15 mm (0.5 inch) to 15.24 cm (6 ins), to carry hot and cold aqueous streams under 690 KPa (100 psi) pressure and 82.2° C. (180° F.) in continuous service, is extruded from a compound in which the CPVC has a high Cl content in the range from 66.5%-70%, when modified with either of two specific impact high rubber modifiers in an amount greater than 5 parts but no more than 6 parts per 100 parts of CPVC. Extruded CPVC pipe provides a HDB measured according to ASTM D2837-01 which is 25% or more greater than that required for commercial pipe as specified in ASTM D2846. As a result, both SDR-11 and SDR-13.5 pipe are produced which provide a HDB of at least 1250 psi (8.62 MPa) at the 100,000 hr intercept. | 10-08-2015 |
20150203692 | NON-HALOGEN FLAME RETARDANT AS COATINGS FOR FIBROUS FILTER MEDIA - Non-halogenated monomers that can be polymerized into flame retardant polymers, and processes to produce the monomers and polymers is provided. In a simplest aspect, there is provided a monomer composition that can comprise a) a group derived from one of a (meth)acrylic acid, (meth)acrylamide, or vinylbenzene, b) a polyphosphate moiety, and c) an amine species. In the monomer composition, the ethylenically unsaturated monomer of (a) is covalently bonded directly or through a linking group to the moiety of b), forming a precursor monomer unit. The amine species of c) is in complex with the precursor monomer unit. The polymer can be a homopolymer of the monomer composition, or a copolymer of the monomer composition having varying a), b) and c). In one embodiment, the polymer can additionally comprise ethylenically unsaturated monomers not covalently bonded to a polyphosphate moiety. | 07-23-2015 |
20150118428 | SELF LUBRICATED CPVC RESIN WITH IMPROVED PROPERTIES - The disclosed technology relates to a compound suitable for preparing articles, such as pipe, with good physical properties, such as impact strength, and resistance to environmental stress cracking (ESC). In particular, the technology relates to a vinyl chloride copolymer resin, such as chlorinated polyvinyl chloride or polyvinyl chloride, herein collectively referred to as CPVC that maintains suitable processability at molecular weights above which other vinyl chloride polymer resins will not flow. Furthermore, the invention relates to vinyl chloride copolymer compounds containing the vinyl chloride polymer resin, and articles made from such compounds, which compounds meet 23447 cell classifications under ASTM D1784. | 04-30-2015 |
20150112020 | AROMATIC DISPERSANT COMPOSITION - The present invention relates to a polymer, and a composition containing a particulate solid, an aqueous medium, and a polymer chain having at least one fused aromatic imide pendant group. The invention further provides compositions for millbases, dispersions, coatings and inks. | 04-23-2015 |
20150104485 | COMPOUNDS FOR THE TREATMENT AND/OR CARE OF THE SKIN AND/OR MUCOUS MEMBRANES AND THEIR USE IN COSMETIC OR PHARMACEUTICAL COMPOSITIONS - Compounds of general formula (I): R | 04-16-2015 |
20150068777 | ASYMMETRIC FIRE SUPRESSION SYSTEM - A fire suppression system comprising multiple thermally activatable automatic sprinklers attached to multiple non-metallic conduits and wherein the pattern of the sprinklers is an asymmetric pattern. The fire suppression system is suitable for unfinished basements and other rooms having exposed joists. The asymmetric pattern is such that the distance between sprinklers installed in the direction of the joist run is at least one foot longer than the distance between sprinklers installed in the direction perpendicular to the joists. The most preferred non-metallic conduits are chlorinated polyvinyl chloride conduits. | 03-12-2015 |
20150044350 | FAT SUBSTITUTE COMPOSITIONS - The invention relates to fat replacer compositions with improved mouth feel and smooth texture, a method of making said fat replacer compositions and a method of improving the mouth feel and texture of food compositions by using | 02-12-2015 |
20140378607 | WATER DISPERSIBLE, SELF-CROSSLINKABLE PREPOLYMER COMPOSITON - The present invention provides an economical route to environmentally friendly polymeric coatings with a high content of raw materials from renewable resources. These polymeric coatings offer performance characteristics that are competitive with conventional coating systems. The unique polymers on which this invention is based are copolymers of triglyceride oils, such as soybean oil, linseed oil, or another natural oil, with a vinyl compound, such as an acrylate or methacrylate, or a vinyl aromatic monomer. The present invention more specifically discloses a water dispersible, self-crosslinkable prepolymer composition which is comprised of a triglyceride oil having appended thereto (1) hydroxyl groups, (2) epoxy groups, (3) moieties which contain at least one aldehyde group or at least one ketone group, and (4) moieties which contain at least one vinyl and/or substituted vinyl group. In one embodiment of this invention the moiety which contains at least one vinyl group is derived from maleic anhydride. | 12-25-2014 |
20140364511 | Surfactant Responsive Micro-Gels - A stable, aqueous composition containing a crosslinked, nonionic, amphiphilic polymer capable of forming a yield stress fluid in the presence of a surfactant is disclosed. The yield stress fluid is capable of suspending insoluble materials in the form of particulates and/or droplets requiring suspension or stabilization. | 12-11-2014 |
20140348887 | Surfactant Responsive Emulsion Polymerized Micro-Gels - A stable, aqueous composition containing a crosslinked, nonionic, amphiphilic polymer capable of forming a yield stress fluid in the presence of a surfactant is disclosed. The yield stress fluid is capable of suspending insoluble materials in the form of particulates and/or droplets requiring suspension or stabilization. | 11-27-2014 |
20140342096 | COATING COMPOSITION - The disclosed invention relates to a coating composition, comprising: water; a multivalent transition metal oxide, hydroxide and/or salt; and a polymer comprising repeating units derived from itaconic acid. The coating composition may be used to coat masonry substrates, and the like. | 11-20-2014 |
20140341957 | Surfactant Responsive Dispersion Polymerized Micro-Gels - A stable, aqueous composition containing a crosslinked, nonionic, amphiphilic polymer capable of forming a yield stress fluid in the presence of a surfactant is disclosed. The crosslinked, nonionic amphiphilic polymer is prepared by dispersion polymerization in the presence of a stabilizing polymer. The yield stress fluid is capable of suspending insoluble materials in the form of particulates and/or droplets requiring suspension or stabilization. | 11-20-2014 |
20140296463 | POLYMERS DERIVED FROM ITACONIC ACID - This invention relates to polymers containing structural units derived from itaconic acid which are useful, including uses as binders for fiberglass. | 10-02-2014 |
20140275460 | Acrylate-Olefin Copolymers, Methods For Producing Same And Compositions Utilizing Same - The present invention relates to a thickeners that are the polymerization product of a monomer mixture comprising: (a) at least one C3 to C30 olefin; (b) at least one monomer that contains at least one carboxylic acid group; (c) at least one ethylenically unsaturated ester monomer; and (d) one or more crosslinking compounds. Optionally, the above multi-purpose polymer compositions can further include any combination of one or more of: (e) at least one functional monomer; (f) at least one associative hydrophobic monomer; and/or (g) at least one chain transfer agent (CTA) and/or at least one polymeric stabilizer. The thickeners of the present invention are useful in a variety of products including, but not limited to, personal care products, health care products, household care products, institutional and industrial care products, and industrial applications. | 09-18-2014 |
20140255792 | Polyurethane Based Electrolyte Systems For Electrochemical Cells - The invention relates to a polymer gel electrolyte system for use in an electrochemical cell having positive and negative electrodes, said electrolyte system comprising: (A) a poly(dialkylene ester) thermoplastic polyurethane composition; (B) an alkali metal salt; and (C) an aprotic organic solvent. The invention also provides an electrochemical cell comprising a positive electrode, a negative electrode, and (I) a polymer electrolyte disposed between said positive and negative electrodes, wherein the polymer electrolyte comprises (A) the poly(dialkylene ester) thermoplastic polyurethane composition; (B) an alkali metal salt; and (C) an aprotic organic solvent. | 09-11-2014 |
20140186510 | Meat Paste Compositions Having Improved Creaminess - The invention relates to spreadable meat paste compositions which are improved in their creaminess, a method of making said meat paste compositions and a method of improving the creaminess of meat paste compositions by using Cassia gum. | 07-03-2014 |
20140144538 | Fluid Handling Assembly Having a Robust Insert - A fluid handling assembly provides conduits that deliver fluids therethrough. The fluid conduits include pipes, having an inner annular layer ( | 05-29-2014 |
20140138105 | FIRE SUPPRESSION FLUID CONTAINING A CARBOXYLATE SALT - An aqueous fire sprinkler fluid containing low carbon number carboxylate salts for freezing point depression is described. The salts may be used in conjunction with glycols. The salts decrease the combustibility of the glycol containing fluids and give lower viscosity than higher glycol fluids, both benefitting fire sprinkler systems. These salt solutions are friendly to metal and CPVC pipes and are thus useful for fire sprinkler systems by not causing environmental stress cracking of the CPVC components and not being corrosive to the metal parts. | 05-22-2014 |
20140127149 | Cassia Derivatives - This invention relates to a cationically and amphiphilically modified polygalactomannan having repeating units with an average D-mannosyl to D-galactosyl residue ratio of at least 5 to 1 and to compositions containing same. A portion of the hydrogen atoms of hydroxyl groups situated on the mannosyl and galactosyl residues of the galactomannan are replaced with an amphiphilic and a cationic substituent. | 05-08-2014 |
20140107311 | Thermoplastic Polyurethane With Reduced Tendency To Bloom From A Bio-Based Glycol - The present invention discloses a thermoplastic polyurethane comprised of the reaction product of (1) a hydroxyl terminated polyester intermediate, (2) a polyisocyanate, and (3) a glycol chain extender; wherein the polyester intermediate is comprised of repeat units derived from a 1,3-propylene glycol component and a dicarboxylic acid wherein the 1,3-propylene glycol component comprises a bio-based 1,3-propylene glycol; wherein the polyester intermediate has a number average molecular weight from 500 to 10,000; and wherein the polyurethane includes hard segments that are the reaction product of the polyisocyanate and the glycol chain extender. This thermoplastic polyurethane is unique as it has a greatly reduced tendency to bloom and is prepared from a renewable material. Blooming causes articles containing the polyurethane to be hazy or foggy in appearance and can also reduce the ability of an article to be securely bound to another with an adhesive. | 04-17-2014 |
20140101825 | Elastomer Fibers And Methods Of Making And Using Thereof - The invention relates to a fiber excellent in cool contact feeling which is excellent in hand and skin touch and capable of preventing unpleasant feeling in the wet state while also having excellent elasticity. The invention also relates to fabric, clothing, and underwear excellent in cool contact feeling and obtainable by using said fiber as well as the methods of making the fibers and articles thereof. | 04-17-2014 |
20140097187 | Multilayer Composite - A flexibly multilayer composite comprising at least one barrier layer of high hardness TPU having a Shore D hardness of at least 80, a soft segment content of less than 5%, and a low gasoline vapor transmission rate of less than 1 g/M | 04-10-2014 |
20140031478 | Electrostatic Dissipative Polycarbonate Compositions - The present invention relates to electrostatic dissipative polycarbonate compositions that are prepared by combining an aromatic polycarbonate polymer with a thermoplastic polyurethane based inherently dissipative polymer and a compatibilizer component that comprises a second thermoplastic polyurethane. This second thermoplastic polyurethane is a reaction product of (a) at least one polyol intermediate, (b) at least one diisocyanate, and (c) at least one chain extender, wherein (a), the polyol intermediate comprises a polycaprolactone polyol, a polycarbonate polyol, or combinations thereof. | 01-30-2014 |
20140024749 | Polymer and Compositions Thereof - The invention relates to a composition containing a polymer obtained by polymerising (1) a mono-vinyl monomer with one or more carboxylic acid groups to form a polymer with at least 2 to 200, or 5 to 150, or 10 to 100, or 15 to 50 repeat units, and (2) reacting the polymer of (1) with a primary hydrocarbyl amine and polyoxyalkylene primary amine (typically polyetheramine). The invention further relates to a composition containing a particulate solid, a liquid medium, and the polymer. The invention further relates to the use of the polymer as a dispersant. | 01-23-2014 |
20140005316 | Thermoplastic Composition | 01-02-2014 |
20130330468 | Non Halogen Flame Retardant Thermoplastic Polyurethane - A non-halogen flame retardant thermo-plastic polyurethane composition containing: a) an organic non-halogenated flame retardant package which contains non-reacted components, i) an organic phosphate compound which is melamine free, ii) a mixture of an organic phosphate in combination with an organic phosphoric acid; and iii) a zinc oxide, b) a stabilizer, c) optionally inorganic flame retardant components, and d) optionally non-flame retardant additives, resulting in a TPU composition with excellent tensile strength and improved high flame performance and low smoke properties. | 12-12-2013 |
20130316174 | Non Halogen Flame Retardant Thermoplastic Polyurethane - Flame retardant thermoplastic polyurethane (TPU) compositions are disclosed having a flame retardant package comprising an organo-phosphinate component, an organo-phosphate component, and a polyhydric alcohol. The flame retardant components may be present in an amount from about 5 to about 40 weight percent of the phosphinate compound; from about 5 to about 20 weight percent of the phosphate compound, and from about 0.1 to about 15 weight percent of the polyhydric alcohol, based on the total weight of the TPU composition. Processes are disclosed to make the TPU compositions and to make wire and cable constructions employing the TPU compositions as the jacket of the wire and cable constructions. The TPU compositions exhibit excellent flame retardant capabilities as measured by Limited Oxygen Index testing and/or UL 94 Vertical Burn tests. | 11-28-2013 |
20130316098 | AQUEOUS CATIONIC POLYURETHANE DISPERSIONS - An aqueous cationic polyurethane dispersion for waterborne digital print and other applications comprising an aqueous dispersion of polyurethane having properly positioned tertiary amino groups, e.g., tethered tertiary amino group separated from backbone by at least two intervening atoms or terminal tertiary amino groups with multiple tertiary amino groups per terminus, where said amino groups are optionally partially quaternized and/or neutralized. | 11-28-2013 |
20130310505 | Flame Retardant Thermoplastic Polyurethane Compositions - The present invention relates to flame retardant thermoplastic polyurethane (TPU) compositions that are prepared by compounding certain TPU's and with a polyphosphonate homopolymer or copolymer, and more specifically TPU compositions that pass ASTM E84 Class 1 and UL94 V0 ratings. The invention also relates to compositions that further include an inherently dissipative polymer to provide a TPU composition that has flame retardant properties, electrostatic discharge performance, good clarity and/or transparency, or any combination thereof. | 11-21-2013 |
20130284068 | Liquid Thickener For Surfactant Systems - The present invention generally relates to blends that contain alkoxylated, lipophilic polyol compounds having about three moles of lipophilic, substituents per mole of polyol which are polyethylene glycol methyl glucose trioleate and polyethylene glycol methyl glucose dioleate and, more specifically, to the use of such compounds as thickeners in liquid surfactant compositions. | 10-31-2013 |
20130273285 | Elastomer Resins, Fibers And Fabrics Thereof, And Uses Thereof - The present invention relates to elastomeric resins, fibers made from said resins, fabrics made with said fibers, and applications and uses for the resins, fibers and fabrics. The elastomer resins of the invention provide high strength fibers and well balanced fabrics with good physical properties and chemical resistance, making them attractive for use in various applications that use elastic fibers and fabrics. | 10-17-2013 |
20130248753 | POLYMERS DERIVED FROM ITACONIC ACID - This invention relates to polymers containing structural units derived from itaconic acid which are useful as binders for fiberglass. | 09-26-2013 |
20130225755 | POLYMERS FOR SURGEONS GLOVES - This invention relates to aqueous polyurethane compositions suitable for dipped surgeon's gloves and related articles needing toughness, pliability, and some solvent resistance. The gloves replace natural latex gloves which can cause allergic reactions and/or isoprene gloves which have their own drawbacks. | 08-29-2013 |
20130217286 | FLAME-RETARDING OLIGOMERIC BROMINATED URETHANE COMPOSITIONS - The flame-retarding properties of polymeric compositions are selectively enhanced, without adversely affecting other properties of these materials to any significant degree, by including in the compositions oligomeric urethanes with high bromine content. | 08-22-2013 |
20130202970 | Salt Modified Inherently Electrostatic Dissipative Polymers - The present invention relates to inherently electrostatic dissipative polymers, such as thermoplastic urethanes (TPU), and compositions thereof. The present invention provides a composition comprising: (a) an inherently dissipative polymer and (b) a halogen-free metal salt of an amidoalkanesulfonic acid, a hydrocarbyl-substituted benzenesulfonic acid, or a mixture thereof, or a polymer derived therefrom. The invention also provides a shaped polymeric article comprising the inherently dissipative polymer compositions described herein. The invention also provides a process of making the inherently dissipative polymer compositions described herein. The process includes the step of mixing a halogen-free metal-containing salt into an inherently dissipative polymer. | 08-08-2013 |
20130196124 | Aqueous Ink Jet Ink Composition - An aqueous ink jet ink is made by forming a mixture of a pigment, an optional dispersant if the pigment is not self-dispersing, dispersing, and a urethane polymer or prepolymer dispersion in water. This ink is useful in a variety of ink jet printing applications such as printing on wide format substrates and textiles. | 08-01-2013 |
20130189198 | Acrylate Copolymer Thickeners - Disclosed are surfactant compositions containing at least one crosslinked acrylic copolymer. The crosslinked acrylic copolymer is polymerized in the presence of at least two different classes of crosslinking monomers. The crosslinked acrylic copolymers provide desirable rheological, clarity, and aesthetic properties in aqueous surfactant containing compositions. | 07-25-2013 |
20130183361 | STRUCTURED ACRYLATE COPOLYMER FOR USE IN MULTI-PHASE SYSTEMS - Disclosed are multi-staged acrylic based core-shell polymers comprising a linear core polymer and at least one subsequently polymerized shell polymer. At least one of the subsequently polymerized shell polymers is crosslinked. The core-shell polymers surprisingly provide desirable rheological, clarity, and aesthetic properties in aqueous surfactant containing compositions, particularly at low pH. The multi-staged acrylic base core-shell polymers can be included in at least one phase of a multi-phase personal care, home care, health care, and institutional and industrial care composition to impart phase stability thereto. | 07-18-2013 |
20130164242 | Polymers And Compositions - The present invention relates to hair care and personal care compositions which contain an acrylic copolymer which is polymerized in the presence of at least two different classes of crosslinking monomers. The polymer functions both as a fixative/film former and a thickening agent for hair styling and personal care compositions in which it is contained. The copolymer exhibits advantageous fixative, film forming and rheological gel properties. | 06-27-2013 |
20130142979 | Thermoformed IC Trays Of Poly(Phenylene Ether) Compositions - The present invention relates to a component carrier tray, and more particularly, a thermoformed carrier tray for integrated circuit (IC) components such as IC chips. The trays of the present invention have the benefit of being suitable for all parts of the IC component manufacturing process, including being suitable for the steps of transporting, sorting, storing, baking, etc. Thus the trays of the present invention reduce the need for transferring IC components from one tray to another and as a result reduce manufacturing cost and risk of part damage. The trays of the present invention are particularly suitable for mid-temperature applications. | 06-06-2013 |
20130137844 | Polymerizable Silicone Copolyol Macromers And Polymers Made Therefrom - A polymerizable dimethicone copolyol macromer composition is synthesized by reacting itaconic anhydride with a dimethicone copolyol. During the reaction itaconic anhydride spontaneously isomerizes to citraconic anhydride which in turn is esterified by the dimethicone copolyol. The obtained macromers are copolymerizable with olefinically unsaturated monomers. Polymers containing the macromer repeating units are useful in a variety of applications including personal care, textile and industrial formulations to deliver softness, lubricity, fixative, water repellency, gloss, surface modification, and surfactant properties. | 05-30-2013 |
20130129639 | Cassia Derivatives - This invention relates to a cationically and hydrophobically modified polygalactomannan having repeating units with a D-mannosyl to D-galactosyl residue ratio of at least 5 to 1 and to compositions containing same. A portion of the hydrogen atoms of hydroxyl groups situated on the mannosyl and galactosyl residues of the galactomannan are replaced with a hydrophobic substituent and a cationic substituent. | 05-23-2013 |
20130122269 | High Temperature Exterior Building Products - An article suitable for outdoor construction applications is provided. The article includes an inner layer having a CPVC composition and an outer layer having a CPVC composition. An intermediate layer is sandwiched between the inner and outer layers. The intermediate layer is a PVC composition. | 05-16-2013 |
20130115185 | Structured Acrylate Copolymer Thickeners - Disclosed are multi-staged acrylic based core-shell polymers comprising a linear core polymer and at least one subsequently polymerized shell polymers is crosslinked. The core-shell polymers surprisingly provide desirable rheological, clarity, and aesthetic properties in aqueous surfactant containing compositions, particularly at low pH. | 05-09-2013 |
20130101543 | Blends Of Acrylic Copolymer Thickeners - Disclosed are blends of acrylic polymers comprising at least one crosslinked acrylic copolymer and at least one linear acrylic copolymer. The acrylic polymer blends surprisingly provide desirable rheological, clarity, and aesthetic properties in aqueous surfactant containing compositions, particularly at low pH. | 04-25-2013 |
20130072704 | DISPERSANT COMPOSITION - The present invention relates to a composition containing a particulate solid, a non-polar organic medium, and a compound obtained/obtainable by reacting an aromatic amine with hydrocarbyl-substituted acylating agent, wherein the hydrocarbyl-substituted acylating agent is selected from the group consisting of an oligomer or polymer from condensation polymerisation of a hydroxy-substituted C | 03-21-2013 |
20130072703 | DISPERSANT COMPOSITION - The present invention relates to a composition containing a particulate solid, a non-polar organic medium, and a compound obtained/obtainable by reacting an aromatic amine with hydrocarbyl-substituted acylating agent, wherein the hydrocarbyl-substituted acylating agent is selected from the group consisting of an oligomer or polymer from condensation polymerisation of a hydroxy-substituted C | 03-21-2013 |
20130065468 | INK/DYE RECEPTIVE FILMS, PAPERS, AND FABRICS - The present invention discloses films, papers, and fabrics (both woven and non-woven) that are more receptive to inks or dyes. These ink/dye receptive products are made by coating the surface of the film, paper, or fabric with certain acrylate polymers. These ink/dye receptive films, papers and fabrics have the ability to then be used in making laminated and coated products. The subject invention more specifically discloses an ink/dye receptive film which is comprised of a base film which is coated with an acrylate polymer, comprised of 1 weight percent to 20 weight percent repeat units of at least one unsaturated aliphatic olefin monomer containing from 4 to 30 carbon atoms. | 03-14-2013 |
20130059969 | DISPERSANT COMPOSITION - The present invention relates to a composition containing a particulate solid, a non-polar organic medium, and a compound obtained/obtainable by reacting an aromatic amine with hydrocarbyl-substituted acylating agent, wherein the hydrocarbyl-substituted acylating agent is selected from the group consisting of an oligomer or polymer from condensation polymerisation of a hydroxy-substituted C | 03-07-2013 |
20130046063 | Irritation Mitigating Polymers and Uses Therefor - A method for increasing the efficacy of hydrophobically modified (meth)acrylic based polymers to increase the critical micelle concentration of a surfactant composition by attenuating the degree of neutralization (DN) of the polymer is disclosed. | 02-21-2013 |
20130041082 | DISPERSANT COMPOSITION - The invention relates to a composition containing a particulate solid, an organic medium, and a (meth)acrylic polymer. The invention further relates to novel compounds, and the use of the (meth)acrylic polymer as a dispersant, typically a pigment dispersant. | 02-14-2013 |
20130041071 | DISPERSANT COMPOSITION - The invention relates to a composition containing a polyepoxide with polyether lateral chains and pendant hydrocarbyl groups. The invention further relates to a composition containing a particulate solid, an organic or aqueous medium, and a polyepoxide with polyether lateral chains and pendant hydrocarbyl groups. The invention further relates to novel compounds, and the use of the polyepoxide with polyether lateral chains and pendant hydrocarbyl groups as a dispersant. | 02-14-2013 |
20130034505 | Cassia Derivatives - This invention related to a cationically and hydrophilically modified polygalactomannan having repeating units with an average D-mannosyl to D-galactosyl residue ratio of at least 5 to 1 and to compositions containing the same. A portion of the hydrogen atoms of hydroxyl groups situated on the mannosyl and galactosyl residues of the galactomannan are replaced with a hydrophilic and a cationic substituent. | 02-07-2013 |
20130022877 | Salt Modified Electrostatic Dissipative Polymers - The present invention relates to electrostatic dissipative thermoplatic urethanes (TPU) and compositions thereof. The present invention provides a composition comprising: (a) an inherently dissipative polymer and (b) a halogen-free lithium-containing salt. The invention also provides a shaped polymeric article comprising the inherently dissipative polymer compositions described herein. The invention also provides a process of making the inherently dissipative polymer compositions described herein. The process includes the step of mixing a halogen-free lithium-containing salt into an inherently dissipative polymer. | 01-24-2013 |
20120322712 | Stable Soap Based Cleansing System - Disclosed is a liquid soap composition which comprises:
| 12-20-2012 |
20120316308 | Hydrolytically Stable Multi-Purpose Polymers - The present invention relates to hydrolytically stable multi-purpose polymers that are polymerized from a monomer mixture comprising: at least one amino-substituted meth(acrylate) (ASMA) monomer or salt thereof; and at least one nonionic vinyl (NIV) monomer, wherein the monomer mixture optionally comprises one or more of at least one vinyl associative (VA) monomer; at least one vinyl surfactant (VS) monomer; and/or at least one polymerizable silicone macromer (PSM) and wherein the monomer mixture further optionally comprises one or more of at least one crosslinking (XL) monomer; at least one chain transfer agent (CTA); and/or at least one polymeric stabilizer. The multi-purpose polymers of the present invention can also be prepared from monomer mixtures containing chain transfer agents or other functional components commonly utilized in polymerization process. | 12-13-2012 |
20120316290 | Melt Processable Copolyurea Elastomers - The present invention relates to a melt processable polyurea and/or copolyurea elastomers made by reacting a lactam-terminated diisocyanate, and an alkylene diol of the general formula HO—R—OH where in is an alkylene group containing from 1 to 20 carbon atoms. The invention further provides for methods of making said polyurea and/or copolyurea elastomers, including a continuous extruder method of production. | 12-13-2012 |
20120305095 | CPVC PIPES, FITTINGS AND TUBULAR CONDUITS IN MARINE VESSELS - A marine vessel ( | 12-06-2012 |
20120237465 | Hydrolytically Stable Multi-Purpose Polymer - The present invention relates to compositions containing hydrolytically stable multi-purpose polymers that are polymerized from a monomer mixture comprising: at least one amino-substituted meth(acrylate) (ASMA) monomer or salt thereof; and at least one nonionic vinyl (NIV) monomer, wherein the monomer mixture optionally comprises one or more of at least one vinyl associative (VA) monomer; at least one vinyl surfactant (VS) monomer; and/or at least one polymerizable silicone macromer (PSM) and wherein the monomer mixture further optionally comprises one or more of at least one crosslinking (XL) monomer; at least one chain transfer agent (CTA); and/or at least one polymeric stabilizer. The multi-purpose polymers of the present invention can also be prepared from monomer mixtures containing chain transfer agents or other functional components commonly utilized in polymerization processes. | 09-20-2012 |
20120213725 | Surfactant-Polymer Blends - The present invention relates to surfactant-polymer blends that are useful as thickeners for a variety of personal care products. In one embodiment, the surfactant-polymer blends of the present invention comprises: (a) at least one anionic surfactant; (b) at least one amphoteric or zwitterionic surfactant; and (c) at least one hydrophobically-modified polymer formed from a mixture comprising: (i) an α,β-ethylenically unsatured carboxylic acid monomer; (ii) a nonionic, co-polymerizable α,β-ethylenically unsaturated monomer; and (iii) an ethylenically unsaturated hydrophobically-modified associative monomer. The surfactant-polymer blends of the present invention are useful as thickeners in a variety of products including, but not limited to, personal care products, health care products, household care products, institutional and industrial care products, and industrial applications. | 08-23-2012 |
20120175006 | PVC/CPVC Composite Pipe With metal Interlayer And Process For Making It - A composite pipe has a metal conduit sandwiched between inner and outer conduits of PVC/CPVC, each of which are adhesively secured to the interlaying metal conduit with a dried, solvent-free thin layer of a thermosetting bilayer adhesive which provides a bond with the metal, which bond fails in cohesive failure. Narrowly defined limits on the thickness of each conduit are found to provide a bendable composite pipe with an aluminum interlayer; and to provide a rigid non-bendable composite pipe with a steel interlayer. Making the composite pipe which meets required ASTM and NSF test considerations requires unexpectedly critical process steps. A process for making the pipe is disclosed, as are PVC/CPVC fittings which allow lengths of pipe to be solvent-cemented in them so as to seal the terminal ends of the pipe against infusion of fluid under pressure in the pipe, thus preventing delamination. | 07-12-2012 |
20120171914 | Hydroxyl-Terminated Thiocarbonate Containing Compounds, Polymers, and Copolymers, and Polyurethanes and Urethane Acrylics Made Therefrom - Thiocarbonate compounds are reacted with various polyols to introduce hydroxyl end groups thereto which can be subsequently reacted with urethane forming compounds to form various polyurethanes including block copolymers thereof. | 07-05-2012 |
20120136174 | Method For Synthesizing Aminoalcohols - The present invention relates to a method for synthesizing amonoalcohols (e.g., aminoalcohols that contain an amine group that is either unsubstituted, mono-substituted, or di-substituted) and to the products formed therefrom. In one embodiment, the present invention relates to a method for synthesizing aminoalcohols from a corresponding aminoaldehyde and to the products formed therefrom. In another embodiment, the present invention relates to a method for synthesizing aminoalcohols from a corresponding aminoaldehyde via a hydrogenation process using a suitable catalyst (e.g., Raney® Nickel) and to the products formed therefrom. In still another embodiment, the present invention relates to aminoalcohols formed via direct hydrogenation from a corresponding aminoaldehyde without the intervening step of converting the aminoaldehyde starting material to a salt. | 05-31-2012 |
20120136109 | Composite Polymer Emulsion - A polymerization process to copolymerize hydrophobic ethylenically unsaturated C | 05-31-2012 |
20120128910 | SILANE GRAFTED POLYETHYLENE WITH A REDUCED LEVEL OF EXTRACTABLE METHANOL - A hydrophobic molecular sieve having a pore size of about 5 Å can be blended into a silane grafted crosslinkable polyethylene to reduce the level of extractable methanol present in articles made with such polymeric compositions after crosslinking. The molecular sieve apparently acts to “lock-up” the methanol generated as a by-product of the crosslinking reaction without compromising the desirable chemical or physical properties of articles that are manufactured with the crosslinked polyethylene. | 05-24-2012 |
20120108722 | Thermoplastic Composition - The invention relates to a composition containing a particulate solid, a plastic material and a compound obtained/obtainable by a process comprising (i) reacting at a temperature of 120° C. or less, or 100° C. or less a hydroxycarboxylic acid and a lactone; and (ii) optionally reacting the product of (i) with a C | 05-03-2012 |
20120091620 | CROSSLINKABLE POLYETHYLENE COMPOSITION - A combination of vinyl trimethoxysilane and vinyl triethoxysilane can be grafted onto polyethylene to produce a polyethylene graft terpolymer that can be crosslinked without a significant reduction in crosslinking rates relative to vinyl triemethoxysilane grafted polyethylene. The combination of vinyl trimethoxysilane and vinyl triethoxysilane apparently act synergistically. While byproduct methanol from crosslinking with trimethoxysilane is very undesirable in some products, byproduct ethanol from crosslinking is less hazardous, especially at ppm levels. | 04-19-2012 |
20120021198 | Transparent Multilayer Sheet Having Electrostatic Dissipative Properties - Disclosed is a transparent multilayer sheet that is excellent in antistatic properties, as well as transparency. The transparent multilayer sheet includes a surface layer comprising a conductive thermoplastic polyurethane or polyurea resin containing ethylene oxide; and a back layer attached to the surface layer and comprising a transparent non-conductive polymer resin. Preferably, the polyurethane or polyurea resin is a polymerization product of (a) a polyether-based polymer containing ethylene oxide and reacting with an isocyanate group; (b) an aromatic or aliphatic diisocyanate compound; and (c) a chain extender C2 to C10 containing a primary hydroxyl group or an amine group, and the transparent non-conductive polymer resin is selected from the group consisting of polyethylene terephthalate, glycol modified polyethylene terephthalate, glycol modified polycyclohexaneterephthalate, polymethylmethacrylate, polycarbonate, transparent acrylonitrile-butadiene-styrene (ABS), and mixtures thereof. | 01-26-2012 |
20120018080 | Cured In Place Pipe Liner - A liner for repairing damaged pipes, such as underground sewer or gas pipes is disclosed. The liner comprises a TPU coating on a fibrous mat of non-woven fabric. The TPU coating is a high heat resistance polyester TPU which allows an epoxy resin/amine to be saturated in the non-woven fabric and the cure initiated by the use of steam or hot water. The cured epoxy resin converts the liner from a flexible state to a rigid state as the liner is cured in place inside the pipe. The TPU containing liner may also be used with thermoset resins other than epoxy resins, such as polyester resins and vinyl ester resins. | 01-26-2012 |
20120001362 | Spin pack assembly - A spin pack assembly for use in melt spinning elastic fibers. The spin pack assembly includes a circular breaker plate having a center aperture and several circular patterns of apertures with each circular pattern having a plurality of apertures. Each circular pattern is located concentrically about an axis of the center aperture. The apertures in the outer circular patterns have a greater diameter than the apertures in the inner circular patterns. The spin pack assembly also has a spinneret plate where the exit aperture of the spinneret plate is recessed in the body of the spin pack assembly. | 01-05-2012 |
20110319538 | Dispersant Composition - The invention relates to a composition containing a particulate solid, an organic or aqueous medium, and a compound with a head group derived from phosphoric acid. The invention further relates to novel compounds, and the use of the compound as a dispersant. | 12-29-2011 |
20110312237 | High Moisture Vapor Transmissive Polyurethanes - The present invention relates generally to polyurethane compositions; and more preferably to thermoplastic polyurethane compositions. In one embodiment, the polyurethane compositions of the present invention have high moisture vapor transmission rates and are suitable for film applications (e.g., breathable films). In one embodiment, the polyurethane compositions of the present invention are prepared from the reaction of a mixed polyol component, a polyisocyanate component, a chain extender, and optionally at least one suitable catalyst, wherein the mixed polyol component is formed by a combination of one or more poly(ethylene oxide) polyols and one or more copolymer polyols, where the resulting mixed polyol component comprises from about 3 to about 30 weight percent of a copolymer polyol and about 70 to 97 weight percent of poly(ethylene oxide) polyol. | 12-22-2011 |
20110305902 | High Strength Constant Compression Elastic Fibers And Fabrics Thereof - The present invention relates to high strength fabrics made thereof from thin gauge constant compression elastic fibers. Elastic fibers are disclosed which have a relatively flat modulus curve, for example between 100% and 200% elongation. Garments made with the constant compression elastic fibers have a more comfortable feel to the wearer. The garments are also resistant to puncture due to the high strength fabric made with the elastic fibers. | 12-15-2011 |
20110245399 | Dispersion Of Hybrid Polyurethane With Olefin-Acrylic Copolymerization - A product and processes comprising urethane polymer and at least one copolymer from a hydrophobic ethylenically unsaturated C | 10-06-2011 |
20110232002 | TPU Compositions For Melt Coating Processes - A TPU composition comprising two or more TPU polymers is disclosed. The TPU composition gives a broad process window for melt coating applications. The blend of TPUs give better processing than either of the individual TPU polymers used in the blend alone. This results in melt coating which gives less matt and glossy streaks and allows faster coating speeds along with lower coating weight. The two or more TPU polymers used in the blend have a different soft segment. The different soft segment is created by using different molecular weight polyol for the TPU polymers or by using chemically different polyols. | 09-29-2011 |
20110213076 | Melt Processable Copolyetheramide Elastomers - The present invention relates to a melt processable copolyetheramide made by reacting (a) one or more segments of polyamide hard blocks derived from a lactam-terminated diisocyanate and a lactam monomer, and (b) one or more segments of polyether soft blocks derived from a polyether diol. The invention further provides for methods of making said copolyetheramide, including a continuous extruder method of production. | 09-01-2011 |
20110195035 | Ester Compounds For Use In Personal Care Products - The present invention relates to cosmetic and/or personal care formulations and/or compounds. In one embodiment, the present invention relates to ester compounds that can be used in various personal care formulations and/or compounds. In another embodiment, the present invention relates to branced ester compounds having a molecular weight of at least about 1,500 daltons that can be used in various personal care formulations and/or compounds. | 08-11-2011 |
20110186329 | Crosslinkable Thermoplastic Polyurethane - The TPU of this invention contains unsaturation in its polymeric backbone. The unsaturation can be present in the soft segment or in the hard segment or in both the soft and hard segments of the TPU. The TPU can be molded like a thermoplastic, and can be subsequently crosslinked by exposure to electron beam irradiation into thermoset articles having excellent chemical resistance, dimensional stability, set properties, heat resistance, oxidative resistance, and creep resistance. In one embodiment, the TPUs of this invention are the reaction product (1) a hydroxyl terminated intermediate, (2) a polyisocyanate, (3) a saturated glycol chain extender, and (4) a glycol chain extender containing carbon-carbon double bonds, such as the allyl moieties present in trimethylolpropane monoallyl ether. In another embodiment of this invention, the thermoplastic polyurethane which is crosslinkable by e-beam irradiation is comprised of the reaction product of (1) a saturated hydroxyl terminated intermediate, (2) an unsaturated hydroxyl terminated intermediate, wherein the unsaturated hydroxyl terminated intermediate contains carbon-carbon double bonds, (3) a polyisocyanate, and (4) a saturated glycol chain extender. | 08-04-2011 |
20110183567 | High strength Non-Woven Elastic Fabrics - Elastic non-woven fabrics are disclosed which are made in a melt blown process or a spunbond process. The fabric is made from a thermoplastic polyurethane polymer mixed with a crosslinking agent to give high strength elastic non-woven fabric. The crosslinking agent is added to the polymer melt prior to the melt passing through the die which forms the individual fibers. Further processing the non-woven is also disclosed. | 07-28-2011 |
20110168043 | Thermoplastic Polyurethane For Printing Blankets - The present invention provides an offset printing blanket or sleeve including one or more layers that are made with a soft thermoplastic polyurethane composition that provides excellent compression set and excellent resistance to apolar solvents, such as naphthenic mineral spirits. The subject invention more specifically reveals a printing blanket comprising: a base layer; a compressible layer, and a printing surface layer, wherein the compressible layer and/or the printing surface layer is comprised of a thermoplastic polyurethane composition, wherein the thermoplastic polyurethane composition made by reacting (a) at least one polyester polyol intermediate with (b) at least one diisocyanate and (c) at least one chain extender; wherein the polyester polyol intermediate comprises an intermediate derived from at least one dialkylene glycol and at least one dicarboxylic acid or an ester or anhydride thereof. It is particularly beneficial to utilize the thermoplastic polyurethane composition in the printing surface layer. | 07-14-2011 |
20110160370 | ACID ENDCAPPED CAPROLACTONE OR VALEROLACTONE DISPERSING AGENTS - The invention relates to a composition containing a particulate solid, a plastic material (such as a thermoplastic polymer) and a compound capable of having dispersant properties. The compound may be obtained/obtainable by reacting a fatty acid with either (i) a hydroxy-C | 06-30-2011 |
20110143031 | Fiber Reinforced TPU Composites - A catalyst masterbatch is disclosed, which when used with a rigid TPU polymer, will cause the rigid TPU to depolymerize during melt processing and repolymerize as the melt is being cooled. This feature is of particular interest in a pultrusion process to create TPU/fiber composites. The catalyst masterbatch contains a relative soft TPU polymer where the catalyst has been swelled or absorbed into the soft TPU polymer. A carrier, such as a plasticizer, can be used to aid the transport of the catalyst into the soft TPU polymer. The catalyst masterbatch is used as an additive to the rigid TPU in a pultrusion process to make the composites. The catalyst masterbatch can also be used in non-fiber reinforced rigid TPU compositions to increase the Mw of melt processed rigid TPU. | 06-16-2011 |
20110139264 | Fluid Handling System - A fluid handling system is operative to deliver water based fluid through a plurality of plastic pipes and fittings to a plurality of fire suppression sprinkler heads ( | 06-16-2011 |
20110136953 | Filled Poly Vinyl Chloride Composition - The invention relates to a composition containing a particulate solid, plastic material (such as polyvinyl chloride), and a dispersant/agent comprising an oligomer from polymerizing a C | 06-09-2011 |
20110135899 | Films And Articles Made With Thermoplastic Block Copolymers - The present invention relates to printing blankets, pipe liners, conveyor belts, inflatable articles, collapsible containers, protective clothing, and other types of coated fabrics that are manufactured with a thermoplastic block copolymer (TBC). This TBC can be a thermoplastic polyurethane (TPU), a copolyester (COPE), a copolyamide (COPA) or a polyurethaneurea (TPUU). The subject invention more specifically discloses a printing blanket or printing sleeve and a cured in place liner for a passageway or pipe. The TBC is (I) the reaction product of (1) a hydrophobic polyol or polyamine, (2) a polyisocyanate or an aromatic dicarboxylic acid, and (3) a linear chain extender containing 2 to 20 carbon atoms, or (II) the reaction product of (1) a hydrophobic polyol or polyamine, and (2) a carboxylic terminated telechelic polyamide sequence. | 06-09-2011 |
20110114564 | Preventing Silica And Silicate Scale With Inhibitors In Industrial Water Systems - A method of inhibiting the deposition of silica and silicate compounds on surfaces in water systems by treating the water with an effective amount of an alkoxylated amines or imidized polymer from alkoxylated amines either alone or in combination with acrylic acid or maleic acid homo- or co-polymers and phosphonates. | 05-19-2011 |
20110112270 | Low Melting Polyurethane Elastomers - The present invention relates generally to polyurethane elastomer compositions; and more preferably to thermo-plastic polyurethane elastomer compositions. In one embodiment, the polyurethane elastomer compositions of the present invention have low melting points while still behaving in an elastomeric manner. In one embodiment, the polyurethane elastomer compositions of the present invention are prepared from the reaction of a polyol component, a polyisocyanate component, and a diol chain extender. In another embodiment, the polyurethane elastomer compositions of the present invention are prepared from the reaction of a polyester polyol component, a methylene diphenyl diisocyanate (MDI) component, and a linear diol chain extender having either 5 carbons or 7 or more carbons between the OH groups of the diol. | 05-12-2011 |
20110092648 | Electrostatic Dissipative TPU and Compositions Thereof - The present invention relates to an electrostatic dissipative thermoplastic polyurethane composition made by reacting (a) at least one polyester polyol intermediate with (b) at least one diisocyanate and (c) at least one chain extender. The polyester polyol intermediate, may be derived from at least one dialkylene glycol and at least one dicarboxylic acid, or an ester or anhydride thereof. The invention further provides for methods of making said thermoplastic polyurethane composition, polymer blends containing said thermoplastic and polymer articles made from said thermoplastic. | 04-21-2011 |
20110064898 | Thermoplastic Polyurethanes With Good Fuel Resistance - A high molecular weight, thermoplastic polyurethane composition characteristically resistant to aliphatic hydrocarbon fuels, where the polyurethane composition is adapted for use as an aliphatic hydrocarbon fuel barrier in the construction of flexible fuel containers, and the polyurethane is the reaction product of a poly(diethylene adipate) glycol reacted with a non-hindered diisocyanate and an aliphatic chain extender. | 03-17-2011 |
20110054075 | Dispersants From Linear Polyurethanes - The present invention provides a non-aqueous composition containing a particulate solid, an organic medium and polyurethane dispersant with a substantially linear anchoring segment pendant tertiary amine group(s) from said anchoring segment and terminally attached solvent-solubilising terminal chains of a polyester, polyether, or polyacrylate including mixtures of such terminal chains. | 03-03-2011 |
20110046286 | Hydrolytically Stable Polyurethane Nanocomposites - The water-resistance properties of polyester-based polyurethanes are remarkably enhanced, without adversely affecting the transparency properties of these materials to any significant degree, by including in the polymer a substantially dispersed nano-particle proton scavenger. | 02-24-2011 |
20110046229 | Controlled Release Drug Delivery Systems And Pharmaceutical Compositions Formed Therewith - The present invention relates to controlled release drug delivery systems. In one embodiment, the present invention relates to controlled release drug delivery systems comprising a combination of at least one polyacrylic acid and at least one enteric polymer. In another embodiment, the present invention relates to a controlled release pharmaceutical composition comprising the combination of at least one active pharmaceutical ingredient and a controlled release drug delivery system, where the controlled release drug delivery system comprises the combination of at least one polyacrylic acid and at least one enteric polymer. | 02-24-2011 |
20110041730 | Thermoplastic Composition - The invention relates to a composition containing a particulate solid, a plastic material (such as a thermoplastic polymer) and a compound containing an amide group. The compound is capable of being a dispersant. The invention further relates to novel compounds, and the use of the compound as a dispersant. | 02-24-2011 |
20110031442 | Method For Preparing Electrostatic Dissipative Polymer - A method for preparing an electrostatic dissipative polymer and a blend of a thermoplastic polymer and the ESD polymer is disclosed. The method for preparing an electrostatic dissipative polymer includes the step of polymerizing the electrostatic dissipative polymer in the presence of a reactive solvent and lithium salt dissolved in the reactive solvent, wherein the amount of the reactive solvent is from 0.1 to 20 weight parts based on 100 weight parts of the produced electrostatic dissipative polymer, the amount of lithium salt is from 0.1 to 5 weight parts based on 100 weight parts of the produced electrostatic dissipative polymer, and the reactive solvent is aliphatic glycol having from 2 to 8 carbon atoms and having a primary alcohol group, or aromatic glycol having from 2 to 10 carbon atoms. | 02-10-2011 |
20110030828 | One Piece Flexible Expansion Loop For Rigid Piping Systems - A piping system for hot water-based fluid substantially above ambient temperature ( | 02-10-2011 |
20110009561 | Aqueous Polyurethane Hybrid Compositions - Waterborne aromatic urethane-acrylic hybrid or composite compositions are disclosed that are low or free from N-methyl pyrrolidone and generally free of volatile organic solvents in their preparation are disclosed. The use of ethylene glycol monoalkyl ether or propylene glycol monoalkyl ethers in preparing the dispersion is taught. The use of ketone functional oligomers to improve the final dispersion quality is taught. The use of acrylate monomer(s) to reduce the viscosity of the prepolymer is taught. | 01-13-2011 |
20100330375 | Aqueous Polymer Compositions Obtained From Epoxidized Natural Oils - Aqueous polyurethane dispersions are made from urethane prepolymers comprising one or more polyhydroxy compounds from ketone functional molecules derived from an epoxidized natural oil. Addition of a hydrazine functional moiety to the prepolymer dispersion can further provide a crosslinking mechanism resulting in the formation of azomethine linkages in the resulting polyurethane during drying. When the ketone functional molecule is derived from levulinic acid and epoxidized vegetable oil, the resulting urethane dispersion can also be converted into a hybrid polyurethane-vinyl dispersion by adding and polymerizing one or more vinyl monomers in the polyurethane prepolymer or polyurethane dispersion. | 12-30-2010 |
20100324206 | Dispersants - The present invention provides a non-aqueous composition containing a particulate solid, an organic medium and a polyurethane dispersant having laterally attached pendant groups with tertiary amine group(s), an essentially linear backbone and laterally attached solvent-solubilising side chains of a polyester or polyether including mixtures of such side chains. | 12-23-2010 |
20100284955 | Cationic Polymers And Fixative Applications Therefor - This invention relates to cationic | 11-11-2010 |
20100280198 | Olefin Acrylate Emulsion Copolymerization - A polymerization process to copolymerize hydrophobic ethylenically unsaturated C | 11-04-2010 |
20100276926 | System And Method Of Assembly Of CPVC Fire Sprinkler System Employing Mechanical Couplings And Supports - Fire sprinkler system comprising a network of CPVC pipe lengths in which at least some of the pipe lengths are interconnected with mechanical devices having resilient sealing members that are chemically compatible with the CPVC composition. Repairs and system modifications can be made without the use of solvent cement. In-line joints are formed with a coupling device including a pair of arcuate coupling segments having a first end, a second end, and an interior concave surface extending between the first end and the second end. A longitudinal channel extends along the concave surface. At least one mechanical fastener is operative to detachably connect the pair of coupling segments. A resilient annular seal is located within the longitudinal channel of each segment. A branching device connects a branch pipe to a main pipe through an orifice in the main pipe utilizing a saddle-like sealing member. The pipe assemblies are able to pass UL testing protocols for wet fire sprinkler systems. | 11-04-2010 |
20100267299 | Vinyl Chloride, Acrylate, And Urethane Polymers With Increased Moisture Vapor Permeability And Static Dissipative Properties - Vinyl chloride polymer compositions, optionally plasticized, containing a hydrophilic polymer (e.g., a hydrophilic polyurethane or hydrophilic vinyl polymer) are described for use as coatings and films with increased moisture vapor transmission and/or static dissipative properties. Films from this material are useful as fluid barriers that allow diffusion of moisture vapors. Similar modifications can be made to acrylate and urethane polymers. | 10-21-2010 |
20100263884 | System And Method Of Assembly Of CPVC Piping System Employing Mechanical Couplings And Supports - CPVC piping systems comprising a network of CPVC pipe lengths in which at least some of the pipe lengths are interconnected with mechanical devices having resilient sealing members that are chemically compatible with the CPVC composition are described herein. Repairs and system modifications can be made without the use of solvent cement. In-line joints are formed with a coupling device including a pair of arcuate coupling segments having a first end, a second end, and an interior concave surface extending between the first end and the second end. A longitudinal channel extends along the concave surface. At least one mechanical fastener is operative to detachably connect the pair of coupling segments. A resilient annular seal is located within the longitudinal channel of each segment. A branching device connects a branch pipe to a main pipe through an orifice in the main pipe utilizing a saddle-like sealing member. | 10-21-2010 |
20100243154 | Cured In Place Pipe Liner With Styrene Barrier - A liner for repairing damaged pipes, such as underground sewer or gas pipes is disclosed. The liner comprises a TPU coating on fibrous mat of non-woven fabric. The TPU coating contains a barrier layer to retard the migration of styrene from the liner to the media used to force the liner against the damaged pipe and to activate the thermoset resin. The thermoset resin converts the liner from a flexible state to a rigid state as the liner is cured in place inside the pipe. | 09-30-2010 |
20100239803 | Thermoplastic Polyurethane With Reduced Tendency To Bloom - The present invention discloses a thermoplastic polyurethane which is comprised of the reaction product of (1) a hydroxyl terminated polyester intermediate, (2) a polyisocyanate, and (3) a glycol chain extender; wherein the hydroxyl terminated polyester intermediate is comprised of repeat units that are derived from 1,3-propylene glycol and a dicarboxylic acid; wherein the hydroxyl terminated polyester intermediate has a number average molecular weight from 500 to 10,000; and wherein the thermoplastic polyurethane includes hard segments that are the reaction product of the polyisocyanate and the glycol chain extender. This thermoplastic polyurethane is unique in that it has a greatly reduced tendency to bloom. This is highly desirable in applications where high clarity is desired because blooming causes articles containing the thermoplastic polyurethane to be hazy or foggy in appearance. Blooming can also reduce the ability of an article made with the thermoplastic polyurethane to be securely bound to another article with an adhesive. | 09-23-2010 |
20100210767 | Thermoplastic Composition - The invention relates to a composition containing a particulate solid, a plastic material (such as a thermoplastic polymer) and a compound capable of having dispersant properties. The compound may be obtained/obtainable by reacting (i) a carboxylic acid or anhydride thereof with (ii) an amine or an aminoalcohol, to form a product, wherein the carboxylic acid contains lipophilic group R containing six or more carbon atoms; and wherein the product formed is derived from a molar ratio of (i) to (ii) is either: (a) 1:1 or greater when (i) is a carboxylic acid anhydride, or (b) ratio of greater than 1:1 when (i) is a carboxylic acid. The invention further relates to novel compounds, and the use of the compound as a dispersant. | 08-19-2010 |
20100184938 | Polyurethane Polymer - A rigid thermoplastic polyurethane made by reacting a diisocyanate with a diol, wherein the diisocyanate includes a mixture of positional and geometric isomers of bis(isocyanatomethyl) cyclohexane. | 07-22-2010 |
20100113733 | Low Haze Thermoplastic Polyurethane Using Mixture Of Chain Extenders Including 1,3-And 1,4-Cyclohexanedimethanol - The present invention is a low haze thermoplastic polyurethane (TPU) prepared from a chain extender mixture that includes an acyclic diol and a mixture of 1,3- and 1,4-cyclohexanedimethanol. The TPU elastomers exhibit good optical clarity, particularly when formed into relatively thick injection molded parts. | 05-06-2010 |
20100109200 | Thermoplastic Polyurethane Prepared Using A Mixture Of Polyester Diol And Poly(Propylene Oxide) Diol - The present invention is a low haze thermoplastic polyurethane (TPU) elastomer prepared from a diol mixture that includes a polyester diol and a difunctional homopolymer of propylene oxide. The TPU elastomers of the invention solidify quickly in injection molding processes, thus reducing cycle time and manufacturing costs. | 05-06-2010 |
20100093926 | Polyurethane Based Pigment Dispersants Which Contain Reactive Double Bonds - Polymeric urethane dispersants with solubilizing polymer chains and with reactive carbon to carbon double bonds are described. The reactive double bonds facilitate molecular weight build-up of the dispersant on dispersed particles (enhancing colloidal stability) or enhance the ability of the dispersants to be crosslinked into a matrix material. | 04-15-2010 |
20100056682 | Soft Thermoplastic Elastomer Composition - The present invention relates to a soft, semicrystalline, thermoplastic elastomer composition which is comprised of (I) a hydrophobic thermoplastic block copolymer which is comprised of (I) the reaction product of (1) a hydrophobic polyol or polyamine, (2) a polyisocyanate or an aromatic dicarboxylic acid, and (3) a chain extender containing 2 to 20 carbon atoms, or the reaction product of (1) a hydrophobic polyol or polyamine, and (2) a carboxyl terminated telechelic polyamide sequence; wherein the hydrophobic polyol or polyamine has a number average molecular weight in the range of from 1,000 to 4,000 Daltons; wherein the hydrophobic thermoplastic block copolymer has a weight average molecular weight in the range of 50,000 to 1,000,000 Daltons; and (II) from 1 to 80 weight percent of a mineral oil, wherein the soft, semicrystalline, thermoplastic elastomer composition has a Shore A hardness which is within the range of 20 to 80. | 03-04-2010 |
20100048765 | Water Dispersions Of Non-Uniform Polyurethane Particles - A novel method of preparing an aqueous dispersion of non-uniform polyurethane particles which comprises (a) preparing at least two isocyanate-terminated polyurethane prepolymers having different hydrophilicities; (b) preparing a uniform mixture of said prepolymers, and (c) dispersing the mixed prepolymers in an aqueous medium. The resulting dispersion of the prepolymers may optionally be chain extended. This method enables the preparation of core-shell particles as well as particles of other morphologies, including “raspberry”, interpenetrating network, “salt-and-pepper”, “ice-cream cone” and particles of gradient composition. Similarly, an aqueous dispersion of two different polyurethane polymers may be obtained by first preparing at least two different isocyanate-terminated polyurethane prepolymers, preparing a uniform mixture of such prepolymers and thereafter dispersing the mixture in an aqueous medium. | 02-25-2010 |
20090326108 | Halogen-Free Flame Retardant Thermoplastic Polyurethanes - Disclosed is a halogen-free flame retardant thermoplastic polyurethane composite resin composition. The disclosed flame retardant thermoplastic polyurethane composite resin composition is capable of improving flame retardancy and flaming-drip of a thermoplastic polyurethane resin through desirable formation of char during combustion, which uses a phosphinate, a diphosphinate and/or a polymer thereof, dipentaerythritol, talc, a melamine derivative, etc., instead of a halogen-based flame retardant, as a flame retardant. | 12-31-2009 |
20090318571 | Hydrocolloids and Process Therefor - The present invention relates to substantially pure hydrocolloids and derivatives thereof a novel method of making said hydrocolloids, compositions comprising said hydrocolloids, and using said hydrocolloids as a gelling and thickening agent for aqueous systems, for instance, in the area of food, fodder, cosmetic and pharmaceutical compositions. Typical hydrocolloids are selected from tamarid, fenugreek, | 12-24-2009 |
20090239987 | Halogen Flame Retardant Thermoplastic Polyurethane - Thermoplastic polyurethane (TPU) formulations are disclosed which comprise a halogenated flame retardant together with an antimony oxide and talc. The formulations exhibit a high LOI (at least 30) and are V-0 rated on the UL-94 test. The halogenated flame retardant can be a chlorinated or brominated compound. The antimony oxide compound is selected from the group consisting of antimony trioxide and antimony pentaoxide. When brominated flame retardants are used, talc is not required, but is preferred to meet the high LOI and V-0 rating. The TPU formulations are useful for wire and cable jacketing applications and for jacketing for fiber optic cables. | 09-24-2009 |
20090218811 | Adhesively Secured, Fluid-Tight Pipe Joint Of PVC/CPVC Pipe And Fitting - PVC and/or CPVC tubing and/or pipe is adhesively-secured at one end with a pipe fitting telescopably mated with each other with a uniquely effective epoxy adhesive. The resulting pipe joint is fluid-tight. PVC pipe joints meet the requirements of ASTM F1970; CPVC pipe joints meet the requirements of ASTM D2864. Such PVC and CPVC piping systems are chosen to carry cold and hot aqueous streams respectively, under pressure and elevated temperature in continuous service, both, in industrial and domestic piping systems. Such piping systems also carry more corrosive fluids for specified duration, less than 50 years. | 09-03-2009 |
20090192262 | Hydrophobic Thermoplastic Polyurethane - The present invention discloses a semicrystalline, thermoplastic polyurethane which is comprised of the reaction product of (1) a hydrophobic polyol, (2) a polyisocyanate, and (3) a linear chain extender containing 5 carbon atoms or 7 to 12 carbon atoms; wherein the hydrophobic polyol has a number average molecular weight which is within the range of about 1,000 to about 4,000; wherein the semicrystalline, thermoplastic polyurethane has a weight average molecular weight which is within the range of 50,000 to 1,000,000; and wherein the semicrystalline, thermoplastic polyurethane has a melting point which is within the range of 80° C. to 150° C. This hydrophobic thermoplastic polyurethane offers a unique array of characteristics that are highly desirable for utilization in manufacturing a variety of products. For instance, it can be used in overmolding soft grips onto consumer products, in adhesives, and in protective coatings. | 07-30-2009 |
20090163619 | Waterborne Coatings With Improved Early Water Blushing And Chemical Resistance - This invention relates to waterborne coatings with enhanced early water blushing resistance, chemical resistance, and adhesion to substrates. These waterborne coatings can be paints, varnishes, and water sealers that offer excellent early water blushing as well as. excellent resistance to common household chemicals, such as gasoline, motor oil, brake fluid, transmission fluid, household cleaners, window cleaning fluids, antifreeze, and the like. | 06-25-2009 |
20090159134 | Water Manifold System And Method - A system for distributing water within a building operates to distribute water from a pressurized water supply source to devices that receive water, such as faucets, toilets, showers, sprinklers, and hot water heating devices. The system includes at least one manifold which may be of unitary molded plastic construction and comprised of chlorinated polyvinyl chloride (CPVC). The manifold includes an entry port and a plurality of outlet ports which are also referred to as sockets. The sockets are configured to receive fitting inserts of various types that include water line connectors. The sockets are also configured to accept standard plastic water conduits therein in cemented relation. The water line connectors may include metallic connectors such as barbed fittings, which can be used to connect the manifold and crosslinked polyethylene (PEX) pipe in nonthreaded relation. Manifolds may be connected together to provide suitable distribution arrangements. | 06-25-2009 |
20090143533 | Transparent Thermoplastic Blend Of A Cycloolefin Copolymer And A Thermoplastic Polyurethane - A blend of a cycloolefin copolymer and a thermoplastic urethane having similar indices of refraction is transparent. The cycloolefin copolymer is derived from norbornene and other monomers such that it has a processing range compatible with the thermoplastic urethane. The urethane component preferably has a polyether intermediate. A thermoplastic urethane compatibilizing agent is utilized desirably having a hydrocarbon intermediate portion. The compositions can be made to have desirable electrical dissipative properties for static control applications. | 06-04-2009 |
20090139661 | PVC/CPVC Composite Pipe With Metal Interlayer And Process For Making It - A composite pipe has a metal conduit sandwiched between inner and outer conduits of PVC/CPVC, each of which are adhesively secured to the interlaying metal conduit with a dried, solvent-free thin layer of a thermosetting bilayer adhesive which provides a bond with the metal, which bond fails in cohesive failure. Narrowly defined limits on the thickness of each conduit are found to provide a bendable composite pipe with an aluminum interlayer; and to provide a rigid non-bendable composite pipe with a steel interlayer. Making the composite pipe which meets required ASTM and NSF test considerations requires unexpectedly critical process steps. A process for making the pipe is disclosed, as are PVC/CPVC fittings which allow lengths of pipe to be solvent-cemented in them so as to seal the terminal ends of the pipe against infusion of fluid under pressure in the pipe, thus preventing delaminaton. | 06-04-2009 |
20090137734 | Aqueous Dispersions Of Polyurethane/Acrylic Hybrid Compositions - An aqueous dispersion of polyurethane/acrylic polymer hybrid composites is made by forming a mixture of urethane prepolymer or polymer, acrylic monomer or polymer, ketone functional molecule/oligomers, and hydrazine functional molecule/oligomers; and dispersing the mixture so made in aqueous medium. | 05-28-2009 |
20090110858 | CPVC Pipe With 25% Higher Hydrostatic Design Basis Than Required Under ASTM D2846 - CPVC pipe in diameters in the range from 15 mm (0.5 inch) to 15.24 cm (6 ins), to carry hot and cold aqueous streams under 690 KPa (100 psi) pressure and 82.2° C. (180° F.) in continuous service, is extruded from a compound in which the CPVC has a high Cl content in the range from 66.5%-70%, when modified with either of two specific impact high rubber modifiers in an amount greater than 5 parts but no more than 6 parts per 100 parts of CPVC. Extruded CPVC pipe provides a HDB measured according to ASTM D2837-01 which is 25% or more greater than that required for commercial pipe as specified in ASTM D2846. As a result, both SDR-11 and SDR-13.5 pipe are produced which provide a HDB of at least 1250 psi (8.62 MPa) at the 100,000 hr intercept. | 04-30-2009 |
20090100723 | Soft, Elastic, Plasticizer-Free Thermoplastic Polyurethane And Process To Synthesize The Same - The present invention discloses a thermoplastic polyurethane which is comprised of the reaction product of (1) a hydroxyl terminated intermediate, (2) a polyisocyanate, and (3) a glycol chain extender selected from the group consisting of ethylene glycol and propylene glycol; wherein the hydroxyl terminated intermediate is selected from the group consisting of hydroxyl terminated polyether intermediates and hydroxyl terminated polyester intermediates; wherein the hydroxyl terminated intermediate is comprised of repeat units that are derived from a branched glycol or is comprised of at least 2 different repeating units; wherein the thermoplastic polyurethane has a weight average molecular weight of at least 100,000 Daltons; wherein the thermoplastic polyurethane includes hard segments that are the reaction product of the polyisocyanate and the glycol chain extender; and wherein the hard segments represent from 10 to 40 weight percent of the total weight of the thermoplastic polyurethane. | 04-23-2009 |
20090010855 | Cationic Polymers And Fixative Applications Therefor - This invention relates to cationic | 01-08-2009 |
20080276998 | Water Manifold System And Method - A system for distributing water within a building operates to distribute water from a pressurized water supply source to devices that receive water, such as faucets, toilets, showers, sprinklers, and hot water heating devices. The system includes at least one manifold which may be of unitary molded plastic construction and comprised of chlorinated polyvinyl chloride (CPVC). The manifold includes an entry port and a plurality of outlet ports which are also referred to as sockets. The sockets are configured to receive fitting inserts of various types that include water line connectors. The sockets are also configured to accept standard plastic water conduits therein in cemented relation. The water line connectors may include metallic connectors such as barbed fittings, which can be used to connect the manifold and crosslinked polyethylene (PEX) pipe in nonthreaded relation. Manifolds may be connected together to provide suitable distribution arrangements. | 11-13-2008 |
20080227945 | Polyurethane Based Pigment Dispersants Which Contain Reactive Double Bonds - Polymeric urethane dispersants with solubilizing polymer chains and with reactive carbon to carbon double bonds are described. The reactive double bonds facilitate molecular weight build-up of the dispersant on dispersed particles (enhancing colloidal stability) or enhance the ability of the dispersants to be crosslinked into a matrix material. | 09-18-2008 |