Class / Patent application number | Description | Number of patent applications / Date published |
523201000 | Solid polymer particle enclosed in layer of diverse solid polymer, e.g., core-shell, etc. | 66 |
20080221237 | Polyamine-Coated Superabsorbent Polymers - Polyamine-coated superabsorbent polymer particles having a reduced tendency to agglomerate and having improved permeability properties are disclosed. A method of producing the polyamine coating using an ionic crosslinker also is disclosed. | 09-11-2008 |
20080234406 | Nanoencapsulation of Isocyanates Via Aqueous Media - The present invention provides a nanocapsule of a blocked isocyanate encapsulated within a polymeric nanosphere. In one aspect, the polymeric nanosphere is functionalized. Free isocyanate functionality is released upon thermal annealing or UV exposure of the nanospheres containing the blocked isocyanate. This present invention also provides a novel method for encapsulating isocyanates in aqueous media. In one aspect, the method comprises miniemulsion polymerization. The thermally or UV deblocked isocyanate can be used as an active functional group for many potential applications. | 09-25-2008 |
20080242765 | Self-assembled nanofiber templates; versatile approaches for polymer nanocomposites - Polymer nanocomposites, nanoparticle-containing organogels utilized in forming the polymer nanocomposites, and methods for forming the polymer nanocomposites and nanoparticle-containing organogels are disclosed. Relatively simple and versatile methods are utilized to form the polymer nanocomposites. The process is based on the format of a three-dimensional network of well-individualized nanoparticles, such nanofibers through gelation thereof with an appropriate non-polymeric solvent. The nanoparticle-containing organogel is subsequently filled with a solution of a desired matrix polymer, the composite is dried and compacted to create the polymer nanocomposite. Polymer nanocomposites can be prepared which exhibit dramatic changes in mechanical properties, such as increased shear modulus, when compared to the neat polymer. | 10-02-2008 |
20080269374 | Polymer-encapsulated pigment with amphiphilic passivation layer - The present invention is drawn to pigment suspensions, methods of forming pigment suspensions, and ink sets. The pigment suspension can comprise an aqueous liquid vehicle and a polymer-encapsulated pigment suspended in the liquid vehicle. The polymer-encapsulated pigment can include a pigment core, a passivation layer formed from a passivation component including an amphiphilic polymer and deposited on a surface of the pigment core, and a polymer-encapsulation layer attached to or deposited on the passivation layer. | 10-30-2008 |
20080275162 | Ptfe-Based Compositions - The invention relates to core-shell particles, said particles comprising:
| 11-06-2008 |
20080306185 | POLY(HYDROXYALKANOIC ACID) AND ARTICLES THEREWITH - Disclosed is a composition comprising poly(hydroxyalkanoic acid) and one or more carboxylic acids having about 10 to about 30 carbon atoms wherein the carboxylic acid is present in the composition from 0.5 to about 15%, based on the weight of the composition and the carboxylic acid includes aromatic carboxylic acid, aliphatic carboxylic acid, polycarboxylic acid, aliphatic hydroxycarboxylic acid; or combinations of two or more thereof. Also disclosed are a process that can be used for producing the composition and an article comprising the composition. | 12-11-2008 |
20080319105 | CRASH DURABLE EPOXY ADHESIVES WITH VERY LOW SENSITIVITY TO TEMPERATURE VARIATIONS - Epoxy adhesive compositions contain an epoxy resin, rubber modification, a toughener and a curing agent. The tougher has capped epoxide-reactive groups, and at least one polytetrahydrofuran block having a mass of 2200-4500 daltons. The selection of toughener in a rubber-modified epoxy-based structural adhesive provides for very good low temperature performance. | 12-25-2008 |
20090012212 | Process for preparing polymer emulsions and polymers formed therefrom - A process for preparing multi-stage emulsion polymers is provided. The process is capable of producing multi-stage emulsion polymers having low dry-bulk density. These polymers are useful in coating compositions such as paints and paper coatings. | 01-08-2009 |
20090018237 | POLYLACTIC ACID-CONTAINING RESIN COMPOSITION AND PRODUCT MOLDED THEREFROM - A polylactic acid-containing resin composition is provided which comprises 100 parts by mass of a resin containing 20 to 98 mass % of polymethyl methacrylate and 80 to 2 mass % of polylactic acid, and 1 to 100 parts by mass of an impact resistance improving material. The impact resistance improving material is a polymeric material comprising an acrylic monomer unit. The impact resistance improving material has a refractive index of 1.402 to 1.542. The resin composition is excellent in heat resistance, moldability, durability, transparency and impact resistance. | 01-15-2009 |
20090023838 | Process For Making Water-Swellable Material Comprising Coated Water-Swellable Polymers - This invention is directed to a process for making solid, typically particulate, water-swellable material comprising coated water-swellable, preferably hydrogel-forming polymers, which are coated with a coating agent, which is such that it does not rupture when the polymers swell in a liquid, e.g., water or saline water. Hereto, the coating agent is extensible in wet state and comprises thereto a wet-extensible material that has a wet-elongation of at least 400%, or even more preferably at least 500%, and preferably a tensile stress at break in the wet state of at least 1 MPa. Typically, the coating agent comprises thereto an elastomeric polymeric material. The invention also relates to solid (particulate) water-swellable material obtainable by the process of the invention. | 01-22-2009 |
20090030114 | Fluoropolymer emulsions - A core-shell emulsion polymer comprising
| 01-29-2009 |
20090054554 | Disk-like Nanoparticles - A disk-like nanoparticle includes a core layer that comprises a cross-linked multi-vinyl substituted aromatic hydrocarbon and a shell layer that comprises tri-block copolymer chains, each having a first, a second, and a third block. The first and third blocks of the tri-block copolymer chains comprise vinyl aromatic monomer units and are crosslinked with the core. The second block comprises conjugated diene monomer units and comprises a top and bottom axial surface of the disk-like nanoparticle. In the case of a nanoparticle having A-B-C tri-block copolymer chains, the third block comprises a top and bottom axial surface of the disk-like nanoparticle. | 02-26-2009 |
20090124725 | Viscosity Modifier for Thermoplastic Polyester Resin, Thermoplastic Polyester Resin Composition Containing the Same, and Molding of the Composition - The present invention provides a viscosity modifier (A) for thermoplastic polyester resin obtainable by polymerizing (a) 70 to 95% by weight of an aromatic vinyl monomer, (b) 5 to 30% by weight of an alkyl acrylate having an alkyl group with 1 to 8 carbon atoms, and (c) 0 to 10% by weight of other vinyl monomers copolymerizable with both; a viscosity modifier (A′) for thermoplastic polyester resin characterized by covering 100 parts by weight of polymer particles (A-1) with 0.5 to 30 parts by weight of polymer particles (A-2), the polymer particle (A-1) are obtained by polymerizing (a) 70 to 95% by weight of an aromatic vinyl monomer, (b) 5 to 30% by weight of an alkyl acrylate having an alkyl group with 1 to 8 carbon atoms, and (c) 0 to 10% by weight of other vinyl monomers copolymerizable with both and having a glass transition temperature of 60° C. or higher and a volume-average particle diameter of 50 to 500 μm, and the polymer particles (A-2) have volume-average particle diameter of 0.01 to 0.5 μm; and a thermoplastic polyester resin composition and a molded article containing the viscosity modifier. | 05-14-2009 |
20090149573 | SILICONE (METH)ACRYLATE PARTICLES, PROCESS FOR PREPARATION THEREOF AND USE THEREOF - The present invention relates to silicone (meth)acrylate particles, to a process for preparing such silicone (meth)acrylate particles including the steps of:
| 06-11-2009 |
20090197989 | COMPOSITION COMPRISING CORE-SHELL PARTICLES AND ITS PREPARATION - A composition comprising core-shell particles having an organopolysiloxane core and a crosslinked or non-crosslinked organopolymer shell and one or more reactive resins. In some variations, the composition has a crosslinked or non-crosslinked organopolymer core. Additional different siloxane-containing particles are optionally included. | 08-06-2009 |
20090215927 | CORE-SHELL PARTICLE, METHOD, AND COMPOSITION - A core-shell particle is formed by a method that includes forming a crosslinked polyorganosiloxane core, reacting a graftlinking agent with the crosslinked polyorganosiloxane core, and polymerizing a poly(alkenyl aromatic) shell around the graftlinking agent-functionalized polyorganosiloxane core. The method produces a core-shell particle with improved adhesion between shell and core. The core-shell particle is useful as an impact modifier in thermoplastic compositions. | 08-27-2009 |
20090253827 | Resin Particle and Resin Dispersion - Resin particles which are excellent in electrostatic property, thermal storage stability and thermal properties, and have evenness of particle diameter are to be provided. The resin particles are core-shell resin particles (C2) each comprising one or more film-like shell layers (P) comprising a first resin (a) and a core layer (Q) comprising a second resin (b). Core-shell type resin particles (C2) each comprising a film-like shell layer (P) in one or more layer structure comprising a first resin (a) and a core layer (Q) in one layer structure comprising a second resin (b), wherein the weight ratio of (P) and (Q) is in a range of (0.1:99.9) to (70:30), the content of volatile components of (C2) is 2% by weight or lower, and (a) has an initial softening temperature of 40 to 270° C., a glass transition temperature of 20 to 250° C., a flow temperature of 60 to 300° C., and the difference of the glass transition temperature and the flow temperature in a range of 0 to 120° C. and contains 20 to 80% by weight of vinyl acetate as constituent units. | 10-08-2009 |
20090253828 | PARTICLE IN THE SHAPE OF AN ENCAPSULATED DROPLET AND PROCESS FOR MAKING SUCH A PARTICLE - Particle in the shape of an encapsulated droplet comprising a core material and a shell material surrounding the core material, the shell material containing maleimide groups, preferably a copolymer of maleimide groups. The shell material contains a copolymer of styrene and maleic anhydride derivatives, of which more than 75 mole %, preferably more than 90 mole % is maleimide, and the average particle size is smaller than 300 nm. The particles are obtained by a process comprising by heating between 80° C. and 195° C., more preferably between 120° C. and 190° C. an ammonium salt of a maleic anhydride containing polymer in the presence of the core material. | 10-08-2009 |
20090258967 | Nylon-Based Resin Composite - Disclosed is a nylon-based resin composite that has a sufficiently low moisture absorption rate to substantially prevent the occurrence of deformation and can attain both low warpage and improved impact resistance. The nylon-based resin composite comprises about 100 parts by weight of a base resin and about 1 to about 30 parts by weight of an impact modifier wherein the base resin comprises about 20 to about 80% by weight of a modified nylon-based thermoplastic resin containing benzene rings in the main chain and about 20 to about 80% by weight of a flat reinforcing fiber having a cross-sectional aspect ratio of about 1.5 or more. | 10-15-2009 |
20090270532 | Process for Production of Resin-Coated Heat Accumulator Particles - The present invention provides a method of producing resin-coated latent heat storage particles which can be continuously supplied to a producing step of a water-curable-type inorganic material (gypsum, cement, and the like), with a latent heat storage component in the particles hard to volatilize. | 10-29-2009 |
20090270533 | HEAT-CURABLE POWDER COATING COMPOSITION - Disclosed is a heat-curable powder coating composition that allows the formation of a coating film having outstanding long-term corrosion resistance, as well as outstanding chipping resistance, flexibility, and adhesion. | 10-29-2009 |
20090298969 | CYANOACRYLATE COMPOSITIONS CONTAINING DISPERSIONS OF CORE SHELL RUBBERS IN (METH)ACRYLATES - The present invention provides a cyanoacrylate composition comprising a cyanoacrylate component; and a core shell rubber component having a particle size in the range of 3 nm to 1,000 nm dispersed in a curable (meth)acrylate matrix. | 12-03-2009 |
20090298970 | (METH)ACRYLATES COMPOSITIONS CONTAINING DISPERSIONS OF CORE SHELL RUBBERS IN (METH)ACRYLATES - The present invention provides a (meth)acrylate composition comprising a (meth)acrylate component; and a core shell rubber component having a particle size in the range of 3 nm to 1,000 nm dispersed in a curable (meth)acrylate matrix. | 12-03-2009 |
20090306246 | CROSSLINKED COMPOSITION COMPRISING A CORE/SHELL COPOLYMER, METHOD OF OBTAINING SAME AND USES THEREOF - The invention relates to is a crosslinked composition containing in parts by weight: 20 to 100 parts of at least one elastomer (I), 2 to 50 parts of at least one core/shell copolymer (II), and 0 to 100 parts of at least one thermoplastic polymer (III). The invention also relates to a method of producing one such crosslinked composition, which is characterized in that it consists in: mixing an elastomer and a core/shell copolymer optionally in the presence of: a grafted polyolefin, a plasticizer, fillers and/or additives, and a suitably-selected crosslinking system, and subsequently crosslinking said mixture at a suitable temperature. In a preferred embodiment of the invention, the mixture is crosslinked at a temperature of between 150 and 320° C. The invention method be carried out in an internal mixer, or, alternately, in a twin-screw extruder or a Buss®-type co-kneader. Depending on the case, the resulting mass is calendared or extruded, cooled and subsequently granulated. The granules thus obtained are then ready to be transformed, by means of heating, into sheets, plates, extrusions, tubes or other desired products. The invention further relates to the use of one such composition in the production of ducts, pipes, tubing, couplers or similar for conveying fluids, such as the fluid transfer conduits, pipes and other elements which are used in the automobile industry in braking, cooling, steering and air-conditioning systems. The inventive crosslinked composition can also be used in the production of belts, tires, electrical cable sheaths, and shoe soles.” | 12-10-2009 |
20090306247 | AQUEOUS COATING RESIN COMPOSITION AND AQUEOUS COATING COMPOSITION - An aqueous coating resin composition comprising a water-dispersible nonionic resin (A) and a water-dispersible anionic core-shell resin (B), characterized in that the water-dispersible nonionic resin (A) contains a polyoxyalkylene group-containing polymerizable unsaturated monomer (a1) at 5-50 mass % of the total polymerizable unsaturated monomer used for production of the resin (A), and the water-dispersible anionic core-shell resin (B) contains an anionic group in the resin. It is possible to provide aqueous coating compositions exhibiting both satisfactory coating manageability and finished appearance. | 12-10-2009 |
20100010118 | Core-shell polymeric particles - A polymeric particle including a core, a first shell, and a second shell is provided:
| 01-14-2010 |
20100016472 | Rubber Composition Containing Functionalized Polymer Nanoparticles - A polymer nanoparticle is provided. The nanoparticle includes an inner layer having alkenylbenzene monomer units. The nanoparticle further includes an outer layer having monomer units selected from conjugated dienes, alkylenes, alkenylbenzenes, and mixtures thereof. The nanoparticle has at least one functional group associated with the outer layer. Applications of use as additives for rubber, including the rubber compositions, are also provided. | 01-21-2010 |
20100036020 | MICROCAPULES, THEIR USE AND PROCESSES FOR THEIR MANUFACTURE - A microcapsule comprising a core containing a hydrophobic liquid or wax within a polymeric shell, in which solid particles insoluble in the hydrophobic liquid or wax are distributed throughout the core, wherein an oil soluble dispersant polymer is adhered to the surface of the solid insoluble particles. Processes of obtaining the microcapsules and dispersions of microcapsules in a liquid are claimed. The microcapsules can be used in a variety of applications particularly in the field of thermal energy storage. Suitably the microcapsules can be designed to have a particular density and can be used in the transfer fluids where the density of the microcapsules are the same as the carrier fluid. | 02-11-2010 |
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 |
20100056669 | RUBBERIZED ASPHALT PELLETS - A storage-stable rubberized asphalt paving pellet can include fines in the core. The core can be an asphalt-based binder at about 70% to about 95% by weight of the core. The asphalt-based binder can include: ground tire rubber from about 15% to about 30% by weight of the asphalt-based binder, and pavement grade asphalt from about 85% to about 70% by weight of the asphalt based binder. The core can include fines at about 30% to about 1% by weight of the core. The shell coating the core can provide the pellet with a maximum dimension of about 1/16 inch to about 2 inches. The shell can include a water-resistant polymer or wax, or a coating of fines. In one aspect, the fines are lime fines or ground asphalt pavement fines. Optionally, the fines can be mineral or rock fines as described herein. | 03-04-2010 |
20100105806 | PASSIVE ELECTRICAL ARTICLE - An electrical article including a dielectric layer having a resin, dielectric particles, a dispersant, and core shell rubber particles. | 04-29-2010 |
20100113646 | Aqueous dispersion of polymeric particles - An aqueous dispersion of polymeric particles and process for forming thereof is provided. The particles comprise a first polymer comprising, when dry, at least one void; and, substantially encapsulating the first polymer, at least one second polymer comprising, as polymerized units, at least one ethylenically unsaturated monomer. | 05-06-2010 |
20100160490 | Fluoropolymer Produced by Aqueous Polymerization Using Dispersed Particulate of Fluorinated Ionomer - A process for making an aqueous dispersion of fluoropolymer particles by providing dispersed particulate of fluorinated ionomer in an aqueous polymerization medium and polymerizing at least one fluorinated monomer in the aqueous polymerization medium in the presence of the dispersed particulate of fluorinated ionomer and initiator to form the aqueous dispersion of particles of fluoropolymer. | 06-24-2010 |
20110015304 | Modification of the Surface Chemistry of Macromolecular Species in the Presence of a Conjugated Guanidine - The present invention relates to a method for preparing macromolecular species with a modified surface, comprising a step (e) in which macromolecular species (M), initially carrying —OH and/or —SH functions, are brought into contact with: a catalyst (C) carrying at least one conjugated guanidine function; and reactive species (E), comprising reactive groups including: (i) at least one group including an a,b-unsaturated carbonyl group C═C—C═O and/or an a,b-unsaturated thiocarbonyl group C═C—C═S; and/or (ii) at least one heterocyclic group comprising from 3 to 5 ring members, said group being selected from cyclic ethers, cyclic thioethers and aziridine rings; and/or (iii) at least one group selected from isocyanate —N═C═O or thioisocyanate —N═C═S groups, and trivalent groups of formula >C═CZ—, where Z is an electron-withdrawing group. The invention also relates to the macromolecular species with a modified surface that are obtained in this context. | 01-20-2011 |
20110039977 | AQUEOUS DISPERSIONS COMPRISING AT LEAST ONE ALKYD RESIN - The present invention relates to an aqueous dispersion comprising at least one alkyd resin
| 02-17-2011 |
20110092614 | APPLICATIONS OF ETHYLENE/TERAFLUOROETHYLENE COPOLYMER - Ethylene/fluoroethylene copolymer of improved non-flammability as characterized by limiting oxygen index is provided in the form of core/shall polymer, the core being non-melt flowable polytetrafluoroethylene and the shell being said copolymer and comprising at least about 72 wt % of the combined weight of the polytetrafluoroethylene core and the copolymer shell. | 04-21-2011 |
20110160338 | FUNCTIONALIZED BIMODAL IMPACT MODIFIERS - The invention relates to functionalized bimodal butadiene-methylmethacrylate impact modifiers. The impact modifiers are especially useful in blends of engineering resins, particularly where the blend contains both functional and non-functional resins. Polycarbonate (PC)/polyethylene terephthalate (PET) blends using the functionalized bimodal butadiene-methylmethacrylate impact modifiers of the invention have excellent low temperature impact performance. | 06-30-2011 |
20120022181 | FILM-FORMING PIGMENTS AND COATING SYSTEM INCLUDING THE SAME - A coated pigment that includes polymer encapsulations which act as a pigment dispersant and film forming agent, coating systems that include the coated pigment and methods for producing the coated pigment and the coating system are described. The polymer encapsulations of the coated pigments allow the coated pigments that are included in the coating system to be dispersed without the addition of any other dispersants and/or resins. Thus, the disclosed coated pigments simplify the process of making coating systems. The disclosed coated pigments also extend the shelf-life of the coating systems, and provide a final coating with enhanced pigment orientation and aesthetics. | 01-26-2012 |
20120029115 | ROOM-TEMPERATURE CURABLE EPOXY STRUCTURAL ADHESIVE COMPOSITION AND PREPARATION METHOD THEREOF - A room-temperature curable epoxy structural adhesive composition comprises Component A and Component B, wherein Component A comprises a bisphenol A type epoxy resin, an impact resistance modified bisphenol A type epoxy resin, a silane coupling agent, a thixotropic agent and a coloring agent, wherein Component B comprises a polyamide, a polyether amine, a filler and a curing accelerator, wherein said impact resistance modified bisphenol A type epoxy resin is a liquid NBR modified bisphenol A type epoxy resin and/or a core-shell structural polymer toughened bisphenol A type resin. In addition, a preparation method of the said adhesive composition is provided. | 02-02-2012 |
20120309868 | Water-Absorbing Material Having a Coating of Elastic Film-Forming Polyurethane with High Wicking and High Permeability - The invention relates to a process for producing a water-absorbing material by coating water-absorbing polymer particles with a film-forming polyurethane and silica, heat treating the coated particles and coating the heat-treated particles with pyrogenic hydrophilic silica. The invention further relates to the water-absorbing material obtainable according to the process of the invention. The water-absorbing material has improved wicking ability (FHA) and core shell saline flow conductivity (CS-SFC). | 12-06-2012 |
20130245157 | BINDER FOR INK-JET PRINTING INK, INK-JET PRINTING INK, PRINTED MATTER, AND METHOD FOR PRODUCING THE BINDER - It is an object of the present invention to provide a binder for ink-jet printing ink that achieves excellent rubfastness, high durability such as alkali resistance, and good ink dischargeability and that can form a printed image with high gloss and an ink-jet printing ink containing the binder. The present invention relates to a binder for ink-jet printing ink in which a vinyl polymer (B) is dispersed in an aqueous medium (D) by a urethane resin (A) having a hydrophilic group. | 09-19-2013 |
20130310484 | POLYMER MICROPARTICLE-DISPERSED RESIN COMPOSITION AND METHOD FOR PRODUCING SAME - The present invention provides a means for improving the elastic modulus (rigidity), heat resistance, toughness, and impact resistance of a resin to provide these properties in a good balance. The present invention provides a polymer microparticle-dispersed resin composition containing 100 parts by weight of a resin and 0.1 to 150 parts by weight of polymer microparticles each containing at least two layers: a crosslinked polymer layer and a coating polymer layer, the resin composition having a particle dispersity of the polymer microparticles in the resin of not lower than 50%, the crosslinked polymer layer including 50% by weight to 99% by weight of at least one monomer having a Tg, as determined as a homopolymer, of not lower than 0° C., and 50% by weight to 1% by weight of at least one monomer having a Tg, as determined as a homopolymer, of lower than 0° C. | 11-21-2013 |
20140011912 | COATED PRESSURE SENSITIVE ADHESIVE GRANULES - The hot melt pressure-sensitive adhesive (PSA) in the form of a granulate, the granulate comprises a core made of a hot melt pressure-sensitive adhesive and an outer layer, surrounding said core, made of a composition that is not pressure-sensitively adhesive, where the outer layer contains: 5 to 35 wt % of a hydrogenated styrene block copolymer; 20 to 65 wt % of at least one oil; and 0 to 15 wt % additives. | 01-09-2014 |
20140018469 | COMPOSITE MATERIAL CONTAINING CARBON NANOTUBES AND PARTICLES HAVING A CORE-SHELL STRUCTURE - A composite material including, in a polymeric composition, carbon nanotubes combined with particles having an elastomeric core and at least one thermoplastic shell. The composite material including, in a polymer composition, carbon nanotubes associated, so as to form aggregations of less than 30 μm, with particles having a core made of totally or partially crosslinked elastomer and at least one thermoplastic shell, in a weight ratio of the particles of core-shell structure to the nanotubes of between 0.5:1 and 2.5:1. Also, a method for preparing said material, as well as to the use thereof for imparting various properties to polymeric matrices. | 01-16-2014 |
20140039092 | Procedure summary of water-based polymer resin doped titanium dioxide nanotubes as application corrosion coating. - The present invention relates to the application of polymeric resins and TiO2 doped with polymeric resins as coatings for external metal surfaces for industrial use, by selecting the following metals: stainless steel, carbon steel and copper. Focuses specifically on the synthesis of a polymeric resin waterborne corrosion consisting of nano-structured polymer particles formed with two or more acrylic monomers, vinyl or styrenic a functionalizing agent and a crosslinking agent from 1.0 to 20% w each. Doping addition is made of the same polymeric resins, which are incorporated in nanotubes of titanium dioxide in concentrations ranging from 50 to 10,000 ppm. The polymeric resin is water based corrosion synthesized by emulsion polymerization techniques and is during the synthesis process is introduced nanotube loading of titanium dioxide, which allowing the dispersion in the polymer matrix. Polymer dispersions obtained in this way are used as anti-corrosion coatings 100% water based. | 02-06-2014 |
20140113992 | WATER REDISPERSIBLE EPOXY POLYMER POWDER AND METHOD FOR MAKING THE SAME - An aqueous dispersion of epoxy resin and a redispersible epoxy polymer powder contains particles of 50-90 weight-percent epoxy resin with 10-50 weight-percent alkali soluble shell around the particles and 2-25 weight-percent dispersing aid, with weight-percent based on total combined weight of epoxy resin, alkali soluble polymer shell and dispersing aid. | 04-24-2014 |
20140235752 | Self-Coalescing Latex - The present invention relates to self-coalescing latexes that incorporate film fat ing polymers that are low molecular weight polymers that are compatible with the latex and act as thin plasticizers penetrating through the remainder of the latex particle and aiding in the coalescence of the remaining polymers. In a preferred embodiment, the self-coalescing latex is a sequentially polymerized polymer having at least a core, a shell and a skin. The film forming polymers are formed of monomers substantially the same as the monomers of the shell but having average weighted molecular weights substantially less than the polymers of the shell. The present invention also relates to the method of polymerizing the self-coalescing latex of the current invention, which largely results from the addition of a substantial amount of chain transfer agent to a remaining portion, about 15% or less, of the monomer pre-emulsion prior to polymerization. Lastly, the invention relates to paint compositions incorporating the self-coalescing latexes that are substantially free of coalescing agents or aids. | 08-21-2014 |
20140256848 | IMPACT-MODIFIED POLYCARBONATE/POLYESTER OR POLYCARBONATE/POLYAMIDE COMPOSITIONS - The invention relates to impact-modified polymer compositions, containing a polymer blend of polycarbonate with polyester and/or polyamide, plus an impact modifier blend of core/shell and functional polyolefin impact modifiers. The impact modifiers can provide the polymer blend composition with improved impact strength at equivalent loading, and also allow for higher amounts of polyester and/or polyamide in the blend without sacrificing impact strength. | 09-11-2014 |
20140303280 | POLY((METH)ACRYLIC ACID-B-STYRENE-B-BUTADIENE-B-STYRENE) BLOCK COPOLYMER LATEX AND METHOD FOR PREPARING THE SAME - The present invention discloses a poly((meth)acrylic acid-b-styrene-b-butadiene-b-styrene) block copolymer latex and a method for preparing the same. The poly((meth)acrylic acid-b-styrene-b-butadiene-b-styrene) block copolymer latex is directly and stably obtained by emulsion polymerization in the presence of an amphiphilic macromolecule reversible addition fragmentation chain transfer agent as both chain transfer agent and reactive emulsifier. The present invention has simple operation, and the process is environmentally friendly and energy-saving, the product poly ((meth) acrylic acid-b-styrene-b-butadiene-b-styrene) block copolymer latex has a good prospect in many fields, such as bitumen modification, adhesives, polymer toughening and the like. | 10-09-2014 |
20140357760 | Antimony-Free Flame Retardant Polyester Composition - Disclosed herein is a polyalkylene terephthalate flame retardant composition, comprising (a) 30 to 60 parts by weight of a polyalkylene terephthalate or a mixture of polyalkylene terephthalates, (b) 0.25 to 2.5 parts by weight of an antidrip agent, (c) 4 to 18 parts by weight of melamine polyphosphate (hereinafter “MPP”), and (d) 12 to 26 parts by weight of poly(pentabromobenzylacrylate) (hereinafter “PBBPA”), provided that the combined amount of MPP and PBBPA is at least 18 parts by weight and less than or equal to 30 parts by weight and provided that the composition is substantially antimony free. | 12-04-2014 |
20140378576 | RUBBER POLYMER LATEX WITH MULTI-LAYER CORE-SHELL STRUCTURE, PREPARATION METHOD THEREOF AND ACRYLONITRILE-BUTADIENE-STYRENE GRAFT COPOLYMER COMPRISING THE SAME - The present invention relates to rubber polymer latex with a multi-layer core-shell structure, a method of preparing thereof, an acrylonitrile-butadiene-styrene graft copolymer comprising the same, and a thermoplastic resin composition using the same. The rubber polymer latex with a multi-layer core-shell structure has improved weather resistance while maintaining the properties of a diene-based rubber component. The impact resistance, the coloring properties and the weather resistance of the acrylonitrile-butadiene-styrene graft copolymer including the same may be improved. | 12-25-2014 |
20150051312 | EPOXY-MULTILAYER POLYMER RDP GEOPOLYMER COMPOSITIONS AND METHODS OF MAKING AND USING THE SAME - The present invention provides a two component geopolymer composition of wherein one component comprises a dry mix of an aluminosilicate, such as flyash, geopolymer precursor and one or more epoxy multilayer polymer particle redispersible polymer powder (RDP) having an epoxy resin core and an alkali soluble polymer shell, the epoxy resin having a calculated glass transition temperature (T | 02-19-2015 |
20150065606 | EPOXY RESIN COMPOSITION AND FIBER-REINFORCED COMPOSITE MATERIAL - The present invention relates to an epoxy resin composition including at least an appropriate type of epoxy resin, acid anhydride, salt of either diazabicycloundecene or diazabicyclononene and an organic compound, and core shell polymer particles, having a viscosity of 3,000 mPa·s or less at 25° C., and showing a viscosity of 4,500 mPa·s or less 3 hours after the start of measurement when subjected to continued measurement for 3 hours at a temperature of 25° C., by means of which it provides an epoxy resin composition with both a low viscosity and long pot life that serves effectively to produce fiber reinforced composite material with a high heat resistance and high toughness. | 03-05-2015 |
20150087747 | Water Repellent Organopolysiloxane Materials - A process for increasing the hydrophobicity of a porous product by treating the product or a composition providing the product, with a water repellent material, characterised in that the porous product or a composition providing the product is treated with an aqueous suspension of microcapsules, where the microcapsules comprise a water repellent organopolysiloxane core material and a shell of a silicon-based network polymer comprising silica units. | 03-26-2015 |
20160024290 | AQUEOUS DISPERSION OF HOLLOW POLYMER PARTICLES AND METHOD OF PRODUCTION OF SAME - A method of production of an aqueous dispersion of hollow polymer particles including forming, on the outer layers of core polymer particle (A) on which inside shell layer (B) and intermediate shell layer (C) are formed, outside shell layer (D) obtained by using a monomer mixture (d) with a ratio of content of an acidic group-containing monomer controlled to 0.15 wt % or less and adding a base to an aqueous dispersion of the obtained polymer particle to make the pH of the aqueous dispersion 7 or more is provided. | 01-28-2016 |
20160046814 | Novel Powder Coloring System - A method for coloring powders is provided that includes mixing a base powder and non-incorporated pigments. A colored powder composition having a base powder particle and at least a partial shell of non-incorporated pigments about the base powder particle is also provided. Articles having a coating of the colored powder composition are also provided. | 02-18-2016 |
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20160130430 | POLYSTYRENE AND POLYLACTIC ACID BLENDS - Polymeric blends of polystyrene (PS) and polylactic acid (PLA) are described, in the preparation of which a compatibilizing agent was added, preferably a PS-PLA block copolymer. Such compatibilizing agents act controlling phase separation of the blending compounds, and preventing excessive growth of polystyrene domains scattered in the PLA matrix; and this results in blends with good mechanical and thermal resistance. | 05-12-2016 |
20160152806 | ACRYLATE-STYRENE-ACRYLONITRILE POLYMER AND THERMOPLASTIC RESIN COMPOSITION | 06-02-2016 |
20160152854 | PHOSPHORUS ACID FUNCTIONALIZED OPAQUE POLYMER | 06-02-2016 |
20160194459 | SOLUBLE NANOPARTICLES FOR COMPOSITE PERFORMANCE ENHANCEMENT | 07-07-2016 |
20160194490 | HIGH-STRENGTH CROSS-LINKED POLYMER PHOTONIC CRYSTAL FILM | 07-07-2016 |
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20180022942 | PEEL-RESISTANT SELF-HEALING COATINGS AND STAINS FOR POROUS SUBSTRATES | 01-25-2018 |
20190144658 | HYDROLYSIS RESISTANT VINYL ESTER CONTAINING LATEXES | 05-16-2019 |