| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 525453000 | Solid polymer derived from -N=C=X reactant and polyhydroxy reactant | 65 |
| 20100048832 | Alkylated 4-Aminobenzyl-4-Aminocyclohexane - Alkylated 4-aminobenzyl-4-aminocyclohexane curing agents that can be used, for example, in polyurea, polyurethane and urea/urethane hybrid elastomeric, epoxy resin, epoxy adhesive, epoxy composites and/or coating compositions and polymeric compositions comprising these curing agents are provided herein. In one embodiment, the curing agent comprises a compound having the following Formula I: | 02-25-2010 |
| 20130079475 | ADHESIVE COMPOSITIONS FOR USE IN DIE ATTACH APPLICATIONS - Novel adhesive compositions that can be used in the die attach process. The adhesives include a curable resin component, a curing agent, and a block copolymer additive. The block copolymer additive has a glass transition temperature of at least about 40° C. The block copolymer additive improves the affinity of the adhesive composition to a hydrophilic substrate, such as a silicon wafer, during the die pickup process. Also disclosed is an assembly which includes a hydrophilic substrate and a layer of adhesive and methods of producing the assembly. | 03-28-2013 |
| 20090124764 | NON-IONICALLY HYDROPHILISED BINDING-AGENT DISPERISIONS - The present invention relates to aqueous non-ionically hydrophilised binding-agent dispersions based on polyurethane ureas with terminal polyethylene-oxide groups, to the preparation thereof, and to the use thereof for producing coatings. | 05-14-2009 |
| 20130059987 | Functionalized Silicon Carbide And Functionalized Inorganic Whiskers For Improving Abrasion Resistance Of Polymers - Inorganic particulate or whiskers are surface-treated to facilitate receptivity to covalent bonding with a coupling agent. Surface treatment forms reactive groups that enable the inorganic particulate or whiskers to covalently bond to a reactive group of the coupling agent. The coupling agent also contains organofunctional groups, which in some examples may be covalently bonded to a polymer matrix by way of crosslinking or by co-polymerizing the functionalized particulate or whiskers together with polymer precursors. The resulting polymeric materials exhibit markedly improved abrasion resistance as well as other improved properties. | 03-07-2013 |
| 20090099320 | LASER-DECOMPOSABLE RESIN COMPOSITION AND LASER-DECOMPOSABLE PATTERN-FORMING MATERIAL AND FLEXOGRAPHIC PRINTING PLATE PRECURSOR OF LASER ENGRAVING TYPE USING THE SAME - A laser-decomposable resin composition of the invention contains a polyurethane resin having a structure wherein an aromatic group is directly connected to a urethane bond. | 04-16-2009 |
| 20080200619 | Method for Producing a Storage-Stable and Colorless Liquid Polyisocyanate Composition Possessing Carbodiimide and/or Uretonimine Groups - Method for producing a storage-stable and colorless liquid polyisocyanate composition possessing carbodiimide and/or uretonimine groups comprising the steps of a) condensing a polyisocyanate in the presence of a catalyst selected from the group consisting of phospholenes, phospholidines and/or their oxides, and b) stopping the condensation by adding adipoylchloride as catalyst killer. | 08-21-2008 |
| 20090023870 | Method of Pultrusion Employing Multiple Resins - There is provided a method of pultrusion using multiple resins. In the method a continuous interior reinforcement layer and a continuous exterior reinforcement layer are supplied and the interior reinforcement layer is infused with a first resin and then combined with the exterior reinforcement layer to form a pultrusion reinforcement structure. The pultrusion reinforcement structure passes into an infusion die where a second resin infuses the exterior reinforcement layer, and then passes into a curing die to cure the resins and form a composite article. The second resin comprises an aliphatic isocyanate polyurethane resin with a greater concentration of aliphatic isocyanate than is present in the first resin to give the composite article superior UV resistance. A pultruded composite article produced by the pultrusion method is also provided. | 01-22-2009 |
| 20090192274 | THERMOPLASTIC POLYURETHANES AND THEIR USE - Thermoplastic polyurethanes and molding compositions containing the same having improved surface resistance (writing and scratch resistance) and good industrial processability, and the use thereof, such polyurethanes prepared by reacting: (a) one or more organic diisocyanates; (b) a chain extender comprising at least one low molecular weight polyol having on average at least 1.8 and not more than 3.0 Zerewitinoff-active hydrogen atoms and a number-average molecular weight M | 07-30-2009 |
| 20100048833 | Mixed Polycycloaliphatic Amines (MPCA) And MPCA Alkylates - Mixed polycycloaliphatic amines (MPCA) and alkylates thereof (MPCA alkylates), methods for making mixed polycycloaliphatic MPCA amines and MPCA alkylates thereof, as well as polymeric compositions, such as spray-applied polyurea coating compositions, comprising said mixed amines MPCA and MPCA alkylates thereof are described herein. In one embodiment, the polymeric composition comprises an isocyanate component, and a resin component comprising an organic compound having the following Formula I: | 02-25-2010 |
| 20100227985 | GRANULAR POLYURETHANE RESIN COMPOSITION AND MOLDED ARTICLE OF THE SAME - Disclosed is a granular polyurethane resin composition containing a thermoplastic polyurethane resin which contains a hard segment obtained by a reaction between a polyisocyanate and a chain extender. The polyisocyanate contains isocyanate groups of 1,4-bis(isocyanatomethyl)cyclohexane in an amount of not less than 50% by more relative to the total mole number of isocyanate groups. | 09-09-2010 |
| 20110009573 | Hydrosilylation Catalysts - Disclosed herein are manganese, iron, cobalt, or nickel complexes containing terdentate pyridine diimine ligands and their use as efficient and selective hydrosilylation catalysts. | 01-13-2011 |
| 20110028661 | HYBRID POLYURETHANE BLOCK COPOLYMERS WITH THERMOPLASTIC PROCESSABILITY AND THERMOSET PROPERTIES - Block copolymers are formulated with multifunctional chain extenders. The block copolymers include a soft segment and a hard segment made from a diisocyanate, an alkylene diamine chain extender, and a multifunctional chain extender which provides delayed crosslinking. The multifunctional chain extenders have a functionality and typically have at least one OH group. The multifunctional chain extenders may be aliphatic or aromatic triols or polyols, or may have other configurations, as described. The resulting block copolymers have improved mechanical properties such as compression set. They may be used in medical applications, or in industrial applications such as seal and gasket applications, including O-rings, window seals, and automotive gaskets. The initially-formed polyurethane resin behaves as a thermoplastic processable material, while the configured end-use product is thermoset. | 02-03-2011 |
| 20090259001 | METHOD FOR PRODUCING POLYTHIOURETHANE RESIN - A process for producing a polythiourethane resin which comprises (A) a step of synthesizing a polythiol oligomer having disulfide bond by reaction of a polythiol compound having a functionality of two or greater and sulfur and (B) a step of bringing the polythiol oligomer obtained in step (A) and a compound having poly(thio)isocyanate groups into reaction with each other, wherein step (A) is conducted in the absence of solvents using no catalysts or a catalyst substantially inert to the compound having poly(thio)isocyanate groups. A polythiol oligomer exhibiting a greater refractive index than that of the polythiol compound having a functionality of two or greater used as the starting material is produced at a low cost, and a process for producing a practically useful polythiourethane resin exhibiting a stable great refractive index and a great Abbe number is provided. | 10-15-2009 |
| 20100048834 | CABLE SHEATHING - Cable sheathing on the basis of thermoplastic polyurethane based on the reaction of (a) isocyanates with (b) diols, wherein the diol (b) is based on straight-chain or branched diols (i) having from 16 to 45 carbon atoms in an uninterrupted carbon skeleton. | 02-25-2010 |
| 20110077363 | ANTIMICROBIAL COMPOSITION CONTAINING ANTIMICROBIALS COVALENTLY LINKED WITH POLYURETHANE-SILICA INTERPENETRATING NETWORK - The invention is directed to an antimicrobial composition obtainable by reacting in a first step at least one polyiso-cyanate A with at least one binder component B with at least two isocyanatereactive groups and at least one isocyanatereactive alkoxysilane C thus obtaining a polyurethane and subsequently hydrolysing the siloxy groups in the polyurethane in a second step in the presence of an antimicrobial agent Z which has a siloxy moiety and condensing the hydrolized siloxy groups resulting in the formation of a silica network covalently linked to a polyurethane and to the rest of the antimicrobial agent Z and the use of this composition as antimicrobial coating especially for interior applications. | 03-31-2011 |
| 20090176945 | SULFUR-CONTAINING POLYURETHANE - Sulfur-containing polyurethane comprising the reaction product of:
| 07-09-2009 |
| 20090131603 | HIGHLY CROSSLINKABLE LOW-VISCOSITY POLYISOCYANATE COMPOSITION AND COATING COMPOSITION CONTAINING SAME - Disclosed is a polyisocyanate composition derived from an aliphatic diisocyanate monomer and an alcohol, which satisfies all the conditions below in a state not containing the aliphatic diisocyanate monomer and a solvent. 1) Isocyanurate trimer concentration: 55-95 mass % 2) Number ratio of allophanate groups derived from the alcohol to isocyanurate groups: 1-20% 3) Urethodione dimmer concentration: 2-25 mass % 4) Viscosity at 25° C.: 150-800 mPa·s | 05-21-2009 |
| 20090131604 | SHAPE MEMORY COMPOSITES - The present invention concerns shape memory composites, methods of preparing same and the use of these composites, for example, for products prepared by injection moulding techniques or coating applications. | 05-21-2009 |
| 20120220736 | ALDIMINES AND COMPOSITIONS COMPRISING ALDIMINE - Aldimino containing compounds obtained from a reaction of aldimines of formula (I) with a compound that bears at least one reactive group that can enter into addition reactions with an HX group of an aldimine of formula I. The compounds containing aldimine groups can be used primarily in adhesive and sealant materials, but also in coatings, and can be produced easily from readily available source materials, and have good thermal stability. The tertiary amino group thereof has a surprisingly low alkalinity and can in some cases have a catalytic effect in chemical reaction systems. | 08-30-2012 |
| 20110046317 | POLYURETHANE ELASTOMER FIBERS AND AGENTS AND METHODS FOR PROCESSING SAME - A processing agent for processing urethane elastomer fibers contains a disperse medium of a specified kind having mineral oil as its principal component and a dispersoid of a specified kind including aliphatic ester compound. The disperse medium is 80-99.99% by mass and the dispersoid is 0.01-20% by mass for a total of 100% by mass. The average particle size of the dispersoid is prepared to be in the range of 0.01-500 μm as measured by a specified measuring method. | 02-24-2011 |
| 20110237760 | Hydroxyl-Functionalised Polyurethane Hot Melt Prepolymer - The invention relates to hydroxyl-functionalised polyurethane hot melt prepolymers comprising the chemical reaction product of isocyanate-reactive starting materials with at least one isocyanate-containing starting material. Said prepolymers are characterised in that the isocyanate-reactive starting materials of the hydroxyl-functionalised polyurethane hot melt prepolymers have a polypropylene glycol with a functionality higher than two and a number-average molar mass higher than or equal to 3,000 g/mol, a polypropylene glycol with a functionality less than or equal to two and a number-average molar mass less than or equal to 1,000 g/mol, and a chain lengthener with a functionality less than or equal to 500 g/mol, and the isocyanate-containing starting material of the hydroxyl-functionalised polyurethane hot melt prepolymer has an aliphatic or alicyclic diisocyanate. | 09-29-2011 |
| 20100130701 | SHOE PRESS BELT - The invention relates to a shoe press belt comprising an elastomer polymer having nanoparticles attached therewith through covalent bonds. | 05-27-2010 |
| 20130102737 | METHOD TO PRODUCE POLYUREA AND POLYURETHANE BY USING LIQUID PLANT OIL BASED POLYOL - A method of producing liquid polymeric polyols from epoxidized plant oils by ring-opening polymerization without a ring opening agent in an organic solvent in the presence of a catalyst to yield the desired polyols at room temperature. The properties of the polymeric polyols depend on the type of plant oil used as starting material. Typically, polymeric content of the purified plant oil based polyols ranges from 65% to 90%. The hydroxyl value and the acid value ranges from 30 to 90 mg KOH/g sample and 1 to 14 mg KOH/g sample respectively. The average molecular weight M | 04-25-2013 |
| 525454000 | Mixed with carboxylic acid or derivative reactant or polymer derived therefrom; or with heterocyclic reactant containing more than one heterocyclic ring; or polymer therefrom | 14 |
| 20080207847 | Furanic-modified amine-based curatives - Difunctional aromatic diamines (e.g. Ethacure® 100 and 300) are derivatized with furan-2,5-dicarboxylic acid (FDCA) to form FDCA-derived bisamides; the derivatives have enhanced curative properties when used as curatives for polyureas, hybrid epoxy-urethanes, hybrid urea-urethanes, chain extenders for polyurethane and polyurea elastomers, and also for reaction injection molding (RIM) products. | 08-28-2008 |
| 20090124765 | POLYMER COMPOSITION - To provide a polymer composition whereby the viscosity increase during storage can be suppressed low. | 05-14-2009 |
| 20090111952 | (Meth)acrylate-grafted polyether polyol, and production process and use thereof - A (meth)acrylate-grafted polyether polyol produced by reacting 40 to 95 parts by weight of a polyoxyalkylene polyol and 5 to 60 parts by weight of a vinyl monomer, both relative to 100 parts by weight of the sum total of the polyoxyalkylene polyol and the vinyl monomer, and 0.1 to 5 moles of an alkyl peroxide as a radical initiator per mole of the hydroxyl group in the polyoxyalkylene polyol, wherein the polyoxyalkylene polyol has a hydroxyl number of 25 mg KOH/g or less, and the vinyl monomer contains a (meth)acrylate and/or a hydroxyl-containing (meth)acrylate in an amount of 50% by weight or higher. The (meth)acrylate-grafted polyether polyol is excellent in colorless-transparency, compatibility, mechanical strength, weather resistance, and blending resistance, and therefore is useful as a raw material for a polyurethane resin cured article. | 04-30-2009 |
| 20130066023 | REACTIVE ISOCYANATE-TERMINATED PREPOLYMERS FOR BINDER APPLICATIONS - Elastomer composites are prepared by wetting particles of a natural or synthetic rubber with a liquid one-component moisture-curable resin composition and then exposing the wetted particles to moisture to cure the resin composition. The moisture-curable resin composition comprises (a) an isocyanate-terminated polyurethane prepolymer having an isocyanate content of from 0.5 to 12% by weight and (b) from 1 to 30%, based on the combined weight of components (a) and (b), of an epoxide or lactone compound having a molecular weight of from about 70 to about 1000 and which is miscible in the prepolymer at the relative proportions thereof that are present. In addition, the composition contains no more than 0.1% by weight of compounds having a primary or secondary amino group. | 03-14-2013 |
| 20100261852 | POLYCARBONATE DIOL - A polycarbonate diol comprising repeating units represented by the following formula (A) and a terminal hydroxy group, 60-100 mol % of the repeating units represented by the formula (A) being repeating units represented by the following formula (B) or (C). The amount of the repeating units represented by the formula (B) is 60-100 mol % based on the total amount of the repeating units represented by the formula (A). The polycarbonate diol has a terminal primary OH ratio of 95% or higher. (A) (In the formula, R represents a C | 10-14-2010 |
| 20110196110 | ALUMINUM CHELATE LATENT CURING AGENT AND PRODUCTION METHOD THEREOF - An aluminum chelate latent curing agent is configured such that an aluminum chelating agent and a specific arylsilane compound or a hydrolysate thereof are held in a polymer obtained by subjecting the aluminum chelating agent, the arylsilane compound, and a polyfunctional isocyanate compound to an emulsifying treatment, and then subjecting the polyfunctional isocyanate to interfacial polymerization. The aluminum chelating agent does not have an alkoxy group bonded to the aluminum. The arylsilane compound is a compound represented by the formula W. | 08-11-2011 |
| 20100280187 | REACTION INJECTION MOLDED POLYURETHANES MADE USING HIGH LEVELS OF NATURAL OIL-BASED POLYOLS - Polyurethane and/or polyurea polymers are produced in a reaction injection molding process. The high equivalent weight isocyanate-reactive materials include a high proportion of a hydroxymethylated polyester which can be prepared using annually renewable starting materials. | 11-04-2010 |
| 20080287613 | Low-Monomer-Concentration, Low-Viscosity Solutions of Tdi Isocyanurates in Branched Dialkyl Phthalates - The present invention relates to novel low-monomer-concentration, low-viscosity solutions of diisocyanatotoluene-based isocyanatoisocyanurates in branched dialkyl phthalates as environmentally acceptable plasticizers for polyvinyl chloride, to a process for preparation of these solutions, and to their use as adhesion-promoting additives for coating compositions based on plasticized polyvinyl chloride. | 11-20-2008 |
| 20080306221 | (METH)ACRYLATE FUNCTIONAL POLYURETHANE AND METHOD OF MAKING - The present invention relates to (meth)acrylate functional polyurethanes that are useful in solid, particulate film-forming compositions. | 12-11-2008 |
| 20090054604 | ISOCYANATO TERMINATED PRECURSOR AND METHOD OF MAKING THE SAME - A method of making an isocyanato terminated precursor for polyurethane is disclosed. The method comprises heating an isocyanate containing about two or more isocyanato groups per molecule at a temperature of up to 80 degrees Celsius and at a pressure of about 1 atmosphere. The method further comprises mixing a modified vegetable oil comprising about two or more hydroxyl groups per molecule with the isocyanate at a molar equivalent ratio of at least 2:1 isocyanate to vegetable oil for a predetermined time period to form the isocyanato terminated precursor. | 02-26-2009 |
| 20120142870 | Isocyanate- and Aldimine Group- Carrying Compounds with a Low Isocyanate Monomer Content - Isocyanate- and aldimine group-carrying compounds VB of formula (I), their compositions and I uses thereof. The moisture cross-linking polyurethane compositions are characterized by a surprisingly low content in monomeric isocyanates and are therefore especially suitable as hot-melt adhesives. | 06-07-2012 |
| 20110034641 | PREPARATION OF SUPRAMOLECULAR POLYMERS CONTAINING QUADRUPLE HYDROGEN BONDING UNITS IN THE POLYMER BACKBONE - The present invention relates to a supramolecular polymer comprising quadruple hydrogen bonding units within the polymer backbone, wherein at least a monomer comprising a 4H-unit is incorporated in the polymer backbone via at least two reactive groups up to four reactive groups, provided that the 4H-units are not covalently incorporated in the polymer backbone through one or more silicon-carbon bonds. The invention also relates to processes for preparing such supramolecular polymers and their use in personal care applications, surface coatings, imaging technologies, biomedical applications, (themo)reversible coatings, adhesive and sealing compositions and as thickening agents, gelling agents and binders. | 02-10-2011 |
| 20090131605 | Hardenable resin composition - A hardenable resin composition containing a urethane-modified epoxy resin (A), a block urethane (B), and a latent hardener (C). The hardenable resin composition of the present invention is excellent in adhesion to various substrates and provides a hardened product that exhibits flexibility over a wide temperature range from low to high temperatures, so that the hardenable resin composition can be used suitably as a structural adhesive, particularly as a structural adhesive for automobiles. | 05-21-2009 |
| 20080227929 | Process for Preparing a Polyisocyanurate Polyurethane Material - A process for preparing a polyisocyanurate polyurethane material, which process comprises reacting a polyisocyanate and an isocyanate-reactive composition, wherein the reaction is conducted at an isocyanate index of 150 to 5000 and in the presence of a trimerisation catalyst, wherein the polyisocyanate comprises a) 80-100% by weight of diphenylmethane diisocyanate comprising at least 40%, preferably at least 60% and most preferably at least 85% by weight of 4,4′-diphenylmethane diisocyanate and/or a variant of said diphenylmethane diisocyanate which variant is liquid at 25° C. and has an NCO value of at least 20% by weight (polyisocyanate a), and b) 20-0% by weight of another polyisocyanate (polyisocyanate b), the amount of polyisocyanate a) and polyisocyanate b) being calculated on the total amount of this polyisocyanate a) and polyisocyanate b), and wherein the isocyanate-reactive composition comprises a) 80-100% by weight of a polyether polyol having an average nominal functionality of 2-6, an average equivalent weight of 1100-5000 and an oxyethylene (EO) content of 50-90% by weight and b) 20-0% by weight of one or more other isocyanate-reactive compounds, the amount of polyol a) and isocyanate-reactive compound b) being calculated on the total amount of this polyol a) and compound b) and wherein the hardblock content is at most 49%. | 09-18-2008 |
| 525455000 | Mixed with ethylenically unsaturated reactant or polymer therefrom | 4 |
| 20090124766 | POLYSILOXANE-MODIFIED POLYISOCYANATES, PROCESSES FOR PREPARING THE SAME, AND POLYURETHANES CONTAINING THE SAME - Processes for preparing siloxane-modified polyisocyanates, the processes comprising: providing a polyisocyanate reactant; and reacting the polyisocyanate reactant with a hydroxyl-containing siloxane having a number-average molecular weight of 200 to 3000 g/mol and an average OH functionality of greater than or equal to 1.8, and corresponding to the general formula (I): | 05-14-2009 |
| 20090209711 | AQUEOUS MODIFIED POLYISOCYANATE, NON-YELLOWING COATING COMPOSITION, AND ADHESIVE COMPOSITION - An aqueous modified polyisocyanate intended to be dispersed in an aqueous medium for use and obtained by reacting an HDI derivative with (A) a modifying agent composed of a methoxy polyoxyalkylene glycol mainly comprising an ethylene oxide unit, (B) a modifying agent composed of a hydroxyl group-terminated polyoxyalkylene glycol produced by using an alcohol having 8 or more carbon atoms as an initiator and mainly comprising a propylene oxide unit, and (C) a modifying agent composed of an ester compound having at least one hydroxyl group with an alkali metal salt of sulfonic acid introduced therein, wherein the concentration (calculated value) of the alkali metal salt of sulfonic acid derived from the modifying agent (C) is 1.5 to 25 μmol/g. | 08-20-2009 |
| 20100137528 | Method for Functionalizing Nanotubes and Improved Polymer-Nanotube Composites Formed Using Same - A polymerizable ligand comprising, in one embodiment, a polyaromatic compound, with a terminal functional group, non-covalently bonded to the sidewalls of carbon nanotubes. This structure preserves the structural, mechanical, electrical, and electromechanical properties of the CNTs and ensures that an unhindered functional group is available to bond with an extended polymer matrix thereby resulting in an improved polymer-nanotube composite. | 06-03-2010 |
| 20130102738 | SILANE-CROSSLINKING COMPOSITIONS - The invention provides curable adhesives of high tensile sheer strength, which contain an a-silane-terminated polyurethane prepolymer containing low molecular weight polyether or polyester groups in the polymer backbone, and a silane-terminated polyether polymer containing polyether groups of higher molecular weight. | 04-25-2013 |
| 525457000 | Mixed with -N=C=X reactant or polymer therefrom | 16 |
| 20090286939 | METHOD FOR PRODUCING GOLF BALL - A method of manufacturing golf balls composed of a core and a cover of one or more layer that encloses the core, at least one cover layer being made of a thermoplastic polyurethane composition characterized by including at least 90 wt % of a thermoplastic polyurethane obtained by a polyurethane-forming reaction of an organic diisocyanate compound with a long-chain polyol and a chain extender, which thermoplastic polyurethane composition cover layer has an inherent viscosity in a DMF solvent of larger than 1.5 dl/g and an inherent viscosity in a 0.05 mol/L n-butylamine-containing DMF solution of larger than 0.5 dl/g, the golf ball manufacturing method being characterized by:
| 11-19-2009 |
| 20090030161 | Allophanate modified diphenylmethane diisocyanates, prepolymers thereof, and their use in the preparation of polyureas and polyurethanes - This invention relates to novel allophanate-modified diphenylmethane diisocyanates, prepolymers of these allophanate-modified diphenylmethane diisocyanates, and two-component polyureas and one-component polyureaurethanes prepared from these prepolymers. In addition, the invention also relates to processes for the preparation of these various compositions, and to the preparation of sealants from the two-component polyureas and caulking agents from the one-component polyureaurethanes. | 01-29-2009 |
| 20090137750 | Process for preparing low-viscosity allophanates containing actinically curable groups - The present invention relates to a process for preparing low-viscosity reaction products of polyisocyanates containing activated groups which react, with polymerization, with ethylenically unsaturated compounds on exposure to actinic radiation. | 05-28-2009 |
| 20080312386 | PROCESS FOR PRODUCTION OF URETHANE RESIN AND ADHESIVE AGENT - An object of the invention is to provide a process for urethane resin production in which the molecular weight of the urethane resin can be easily controlled regardless of the kind of polyisocyanate compound and which can yield a urethane resin for use as a removable pressure-sensitive adhesive usable in extensive applications ranging from a strong-tack region to a slight-tack region. The process for urethane resin production of the invention is a process for producing a urethane resin which comprises reacting a polyol with a first polyisocyanate compound in such a proportion that isocyanate groups are present in excess to thereby obtain an isocyanate-group-terminated prepolymer, subsequently reacting the isocyanate-group-terminated prepolymer with a chain extender, and further reacting the resultant polymer with a chain terminator, wherein the chain extender comprises a polyfunctional compound (X) having three or more functional groups reactive with an isocyanate group, wherein two of the functional groups of the polyfunctional compound (X) are primary hydroxyl groups and the remaining functional group(s) is secondary hydroxyl or tertiary hydroxyl group(s). | 12-18-2008 |
| 20090240004 | FUNCTIONALIZED POLYURETHANE RESIN, METHOD FOR THE PRODUCTION THEREOF, AND USE THEREOF - Disclosed is a functionalized polyurethane resin containing a binder component, a hardener component and, optionally, a formulation component. The binder component consists essentially of urethane dispersions with defined structural components which, in turn, consist of special reaction products. Such polyurethane resins are used for the production of fluorine-modified polyurethane coatings and generally in construction or industrial applications for the permanent oil-, water- and dirt-resistant coating of mineral and non-mineral surfaces on the basis of, for example, hydraulically setting components. | 09-24-2009 |
| 20100144980 | RESIN POWDER COMPOSITION FOR SLUSH MOLDING AND MOLDED ARTICLES - The present invention provides a resin powder composition for slush molding which can give slush molded articles with more excellent hydrolysis resistance. The present invention relates to a resin powder composition for slush molding which is characterized by comprising as the main component a thermoplastic polyurethane resin powder, preferably a thermoplastic polyurethane elastomer powder, and containing a polycarbodiimide prepared by polymerizing tetramethylxylylene diisocyanate, alkoxy terminated one having a number average molecular weight of 500 to 30,000. | 06-10-2010 |
| 20100222524 | HIGH MODULUS TRANSPARENT THERMOPLASTIC POLYURETHANES CHARACTERIZED BY HIGH HEAT AND CHEMICAL RESISTANCE - Transparent thermoplastic polyurethanes characterized by high impact resistance, high flexural modulus, high chemical resistance and a deflection temperature under load of at least 50° C. at 264 psi are produced by blending a polyurethane reaction product with from 3 to 20 parts by weight, per 100 parts by weight of total blend, of a thermoplastic polyurethane. The polyurethane reaction product is prepared from a diphenylmethane diisocyanate and at least one chain extender at an NCO/OH ratio of from 0.95:1 to 1.10:1 in the absence of any isocyanate-reactive material having a molecular weight greater than 400. | 09-02-2010 |
| 20120259074 | POLYURETHANE ELASTIC YARN AND PRODUCTION METHOD THEREOF - [Problem] To provide a polyurethane elastic yarn which has the high strength and ductility sought in polyurethane elastic yarn, and also has excellent durability and heat resistance, as well as little fatigue at low temperature; and a production method thereof. | 10-11-2012 |
| 20110275767 | MOISTURE-CURABLE HOT MELT ADHESIVE - A moisture-curable hot-melt adhesive having an excellent balance of environmental friendliness, compatibility of ingredients, early-stage adhesive strength, heat resistance after moisture curing, tack free time, etc. and a method of manufacture for this hot-melt adhesive. A moisture-curable hot-melt adhesive which contains a urethane polymer that has a terminal isocyanate group and a moisture-curable hot-melt adhesive that contains urethane modified resin, has a residual percentage of isocyanate compound of 5 wt. % or less, and has a heat-resistant softening temperature after moisture curing of 60° C. or higher, has an excellent balance of the aforementioned. Urethane modified resin can be obtained by reacting a resin derivative that has a hydroxyl group with an isocyanate compound, and a moisture-curable hot-melt adhesive can be produced by mixing urethane-modified resin, polymer, and isocyanate compound. The adhesive is particularly useful for building materials, electronics materials, the automotive field, and the like. | 11-10-2011 |
| 20110136991 | ELASTOMERIC MATERIALS HAVING A HIGH HARDBLOCK CONTENT AND PROCESS FOR PREPARING THEM - Elastomeric material having a density of more than 100 kg/m | 06-09-2011 |
| 20080221279 | Process for the production of shape memory molded articles with a wide range of applications - The present invention relates to a process for the production of shape memory molded articles with a wide temperature application range, and their use in the he production of injection molded articles and extruded articles. | 09-11-2008 |
| 20080200620 | Spray Polyurea System, Process for Producing and Use Thereof - Polyurea spray system containing a polyisocyanate, a polyamine and an imidazoline-containing polyaminoamide as chain extender, suitable for use as internal coating of drinking water pipelines and storage tanks. | 08-21-2008 |
| 525458000 | Contains polyhydroxy reactant; or additional polymer derived from -N=C=X and polyhydroxy reactant | 4 |
| 20120077942 | Materials Comprising a Matrix and Process for Preparing Them - The present invention is concerned with a material comprising: a matrix material comprising a plurality of urethane and/or urea and/or isocyanurate groups and having a hardblock content of more than 75% (hereinafter called matrix A); and a polymeric material which 1) has no groups which are able to form a urethane, urea or isocyanurate group with an isocyanate group, 2) exhibits a phase change as measured by differential scanning calorimetry (DSC) in the temperature range −10° C. to +60° C. with an enthalpy ΔHm of at least 87 kJ/kg, 3) is interpenetrating said matrix A, and 4) has an average molecular weight of more than 700 and comprises at least 50% by weight of oxyalkylene groups, based on the weight of this material, wherein at least 85% of the oxyalkylene groups are oxyethylene groups (hereinafter called polymeric material B); and wherein the relative amount of said matrix A and of said polymeric material B, on a weight basis, ranges from 15:85 to 75:25. Process for preparing such material. | 03-29-2012 |
| 20090240005 | DISPERSION ADHESIVES - The invention relates to aqueous dispersion adhesives based on a mixture of aqueous polyurethane or polyurethane-urea dispersions, to a process for their preparation, and to the use of the dispersion adhesives in the production of adhesive composites. | 09-24-2009 |
| 20090312502 | Method for preparing polyhydroxy-urethanes - The invention relates to a method for preparing polyhydroxy-urethanes without using a compound having an isocyanate function, and from amino compounds and compounds carrying carbonate functions, in particular cyclic carbonate functions. The invention also relates to a method for preparing aqueous or hydro-organic formulations containing polyhydroxy-urethanes, and to the use of said polyhydroxy-urethanes and of said aqueous or hydro-organic formulations. | 12-17-2009 |
| 20120088889 | POLYURETHANE ON THE BASIS OF SOFT THERMOPLASTIC POLYURETHANE - The invention relates to polyurethanes based on a thermoplastic polyurethane and an isocyanate concentrate having a functionality greater than 2 and less than 10 added to the thermoplastic polyurethane, wherein the hard phase content of the thermoplastic polyurethane is in the range from 0% to 5% and the isocyanate concentrate is added in an amount of at least 2% by weight based on the polyurethane PU-1. | 04-12-2012 |
| 525459000 | Solid polymer derived from -N=C=X reactant and polyhydroxy reactant also derived from polyamine reactant | 2 |
| 20110207897 | IONOMERS FOR IMPROVED COMPRESSION SET IN CERTAIN COPOLYMERS - Block copolymer having improved compression set comprising 40-98 wt-% soft segment, 1.9-20 wt-% hard segment, and 0.05-3 wt-% monofunctional ionic endgroups. The incorporation of ionomers into diisocyanate-based thermoplastic polyurethane materials greatly improves compression set with little impact on the overall TPU formulation. A typical formulation for making the block copolymer contains 84.2% polydimethylsiloxane, 12.9% diisocyanate, 2.9% diamine chain extender, 0.15% sodium 2-[bis(2-hydroxyethyl)amino]ethylsulfonate, and 0.05% isethionic acid. The polymeric material may be configured, for instance, as a contact lens, prosthetic spinal nucleus, orthopedic bearing surface, gasket, or sealant. | 08-25-2011 |
| 20090318634 | Aqueous Polyurethane/Polyurea Dispersions - The present invention pertains to aqueous polyurethane-polyurea dispersions which are prepared by the acetone process using methyl acetate instead of ketones and are chain-extended using hydrazine or derivatives thereof, these dispersions having an improved stability towards thermal yellowing and a relatively low residual hydrazine/hydrazine derivative content. | 12-24-2009 |
| 525460000 | Solid polymer derived from -N=C=X reactant and polyhydroxy reactant derived from polyhydroxy reactant containing an ether group | 6 |
| 20130035453 | POLYURETHANE RESIN - An object of the present invention is to provide a non-solvent type polyurethane resin which may be preferably used for a curing composition having physical properties after curing of low modulus and high elongation and which is excellent in adhesion, physical properties, handling property and storage stability and a process for producing the polyurethane resin without difficulty and at low cost. The polyurethane resin is obtained by reacting a urethane prepolymer obtained by reacting a mixture of a monool and a polyol, having on average 1.3 to 2.1 of terminal hydroxyl groups, and a polyisocyanate, and a compound having a crosslinkable silyl group, an imino group and an amino group in a molecule. | 02-07-2013 |
| 20090286940 | Hyperbranched Polyether Polyol and Urethane Resin Composition - A hyperbranched polyether polyol obtained by a ring-opening reaction between a hydroxyalkyloxetane (a1) and a monofunctional epoxy compound (a2), wherein the polyether polyol includes a primary hydroxyl group (H1) and a secondary hydroxyl group (H2) in the molecular structure thereof, and has a number average molecular weight (Mn) of 1,000 to 4,000 and a hydroxyl value of 150 to 350 mg·KOH/g. | 11-19-2009 |
| 20110144288 | Production of Silylated Polyurethane and/or Polyurea - The invention relates to a process for the preparation of silylated polyurethanes and/or polyureas, comprising the steps: a) application of a component β) containing isocyanate and of a component α) containing polyol and/or polyamine to at least one surface of body A, which surface rotates about an axis of rotation and has a temperature between 60 and 400° C., and b) reaction of the reaction product of β) isocyanate and α) polyol and/or polyamine with a silylating agent. | 06-16-2011 |
| 20090131606 | POLYURETHANE/POLYUREA ELASTOMERS BASED ON 2,4'-DIPHENYLMETHANE DIISOCYANATE PREPOLYMERS AND THE PRODUCTION THEREOF - The present invention relates to polyurethane/polyurea elastomers (PU elastomers) having improved processing characteristics, such as for example extended casting time and reduced brittleness, and occupational health and safety advantages, such elastomers being suitable for replacing elastomers based on TDI prepolymers in comparable applications, and to a process for their production and their use. | 05-21-2009 |
| 20100324230 | HYDROXY COMPOUND, PROCESS FOR ITS PRODUCTION, PREPOLYMER EMPLOYING THE HYDROXY COMPOUND, AND POLYURETHANE - A hydroxy compound is provided whereby a polyurethane excellent in elongation property can be produced. | 12-23-2010 |
| 20120004374 | METHOD FOR THE CONTINUOUS PRODUCTION OF SILANE TERMINATED PRE-POLYMERS - The invention relates to the continuous production of prepolymers (A) having end groups of the general formula (1): (R | 01-05-2012 |
