Abstract: An object of the present invention is to provide a new coagulated particle composition that can be recovered as a coagulated particle composition having an extremely low fine particle content, an extremely low coarse particle content, and satisfactory powder properties such as blocking resistance and powder flowability, without deteriorating the original quality of the polymer itself, for example, the effect of improving impact resistance. A coagulated particle composition includes a graft polymer (A) containing at least one flexible polymer phase and at least one rigid polymer phase, wherein the outermost part includes the rigid polymer phase; a water-soluble polymer compound (B) having a physical gel-forming property; and a gelling agent (C) therefor, wherein the content of the water-soluble polymer compound (B) having the physical gel-forming property is 0.01 to 3.

Abstract: A process for preparing an aqueous styrene-butadiene polymer dispersion by free-radical aqueous emulsion polymerization of a monomer mixture M comprising styrene, butadiene, and if desired up to 30% by weight, based on 100% by weight of monomers, of ethylenically unsaturated comonomers other than styrene and butadiene; in a polymerization vessel by a monomer feed technique in the presence of a regulator system containing, based on 100% by weight of monomers, from 0.02 to 0.5% by weight of at least one hydrocarbon HC having from 6 to 20 carbon atoms, selected from compounds which on abstraction of a hydrogen atom form a pentadienyl radical or 1-phenylallyl radical, and ?-methylstyrene dimer, and from 0.3 to 2% by weight of an organic compound S containing at least one SH group wherein at least 30%, preferably at least 50%, in particular at least 80%, and with particular preference the entirety (or >95%) of hydrocarbon HC is included in the initial charge to the polymerization vessel.

Abstract: A nonstaining coating composition which comprises as essential components (A) a specific aliphatic sulfonic acid compound or amine salt thereof, (B) a compound having per molecule at least one functional group selected among carboxyl, a carboxylic acid anhydride group, and a carboxyl group blocked with an alkyl vinyl ether, (C) a specific organosilicate and/or a condensate thereof, and (D) a resin having epoxy groups and/or alkoxysilyl groups in the molecule; and a method of finish coating. Also, a stain resistant coating composition which comprises (F?) a specific modified resin and optionally (B) a compound having in the molecule at least one functional group selected from the group consisting of carboxyl group, carboxylic acid anhydride group and carboxyl group blocked with an alkylvinyl ether compound.

Abstract: An automobile body-used light-colored water based coating composition containing a water dispersion (A1) prepared by water-dispersing a block copolymer resin (A) comprising a copolymer (a1) obtained by copolymerizing a monomer component containing an olefin monomer and a copolymer (a2) obtained by copolymerizing a monomer component containing a carboxyl group or carboxylic anhydride group-containing vinyl monomer, a hydroxyl group-containing resin (B), a curing agent (C) and a color pigment, a resulting coating film having a lightness L* value in accordance with a L*a*b* color system as defined in JIS Z 8729 in the range of 80 or more.

Abstract: In a method of producing an oil-in-water type emulsion containing an internally crosslinked fine resin particle, the fine resin particle is encapsulated in an emulsion particle having an average particle diameter of 0.02 to 0.3 ?m. The method includes a step of undergoing phase transition from a water-in-oil type emulsion (Y) which includes a resin (A) having a cationic group or an anionic group, an acid or a base (B) neutralizing 20 to 150 mole percent of the cationic group or the anionic group in the resin (A), an internally crosslinked fine resin particle (C), having an average particle diameter of 0.01 to 0.2 ?m, dispersed in an oil phase and an aqueous medium (D) to an oil-in-water type emulsion (Z) by adding the aqueous medium (D) further to the water-in-oil type emulsion (Y).

Abstract: A process is disclosed for dispersion spinning non-melt-processible fluoropolymer fiber in which a mixture of an aqueous dispersion of non-melt-processible fluoropolymer particles and an aqueous solution of a matrix polymer is formed. The non-melt-processible fluoropolymer particles have an SSG of less than about 2.40 and comprise a core of high molecular weight polytetrafluoroethylene and a shell of lower molecular weight polytetrafluoroethylene or modified polytetrafluoroethylene. The mixture is extruded into a coagulation bath containing a concentration of ions which coagulate the matrix polymer to form an intermediate fiber structure. The intermediate fiber structure is sintered to decompose the matrix polymer and coalesce the non-melt-processible fluoropolymer particles to form the fiber. The present invention also provides for spinning composition useful for the dispersion spinning of non-melt-processible fluoropolymer fiber.

Abstract: Disclosed is a toughened poly(hydroxyalkanoic acid) resin composition comprising poly(hydroxyalkanoic acid) and an impact modifier comprising a core/shell polymer that does not comprise a vinyl aromatic comonomer, having a refractive index not greater than 1.5; wherein the core comprises elastomer and the shell comprises non-elastomeric polymer. Also disclosed are packaging materials and packaged products comprising the composition.

Abstract: Disclosed is a sealing material for liquid crystals having high adhesion strength and excellent gap-forming power at bonding of panels. Also disclosed are a method for producing such a sealing material and a method for producing a liquid crystal display cell which is improved in productivity, high-speed response and reliability. The sealing material for liquid crystals is produced through a step wherein fine particles (D) having an average particle size of not more than 3 ?m are dispersed, using a wet dispersion unit (A), in a reactive resin (C) having an epoxy group and/or a (meth)acryloyl group which resin has been dissolved in a solvent (B) and a following step wherein the solvent (B) is removed.

Abstract: The invention relates to a composition, preferably a care and/or treatment and/or make-up composition for keratin and keratinous materials in general (including the skin, hair, nails, scalp, and/lips of human beings, keratinous fibers, etc.), containing an oil, a structuring polymer and a coated silicone elastomer. Preferably, the compositions of the invention are anhydrous.

Abstract: An aqueous leather treatment composition is provided containing select soft polymer particles and water-filled voided particles. Also provided are a method for preparing an embossed coated leather substrate, which includes the application of the aqueous leather treatment composition, as well as an article prepared from the embossed coated leather substrate.

Abstract: There is disclosed an impact modifier which comprises a graft copolymer comprising a rubber polymer (A) obtained from a mixture of one or more kinds of (meth)acrylic monomers as major ingredients, having a glass transfer temperature of 0° C. or lower, and forming particles having each of 80 wt % or more of them has a particle diameter within the range of 400 to 1,000 nm as determined from a particle diameter distribution on a weight basis, and branches (B) grafted thereto obtained from one or more kinds of vinyl monomers; a process for producing thereof; and a thermoplastic resin composition containing the impact modifier.

Abstract: The invention concerns a method for preparing polymers by free radical polymerisation comprising (i) preparing a mini-emulsion containing: at least an ethylenically unsaturated monomer, at least a control agent selected among xanthates, dithio-carbamates, thioether-thiones, the xanthates comprising phosphorus and optionally fluorine and dithiophosphoroesters, an aqueous solution, a surfactant, and a co-surfacant, and (ii) reacting said mini-emulsion, in the presence of a free radical source, at a sufficient temperature and/or for a sufficient time interval to form the polymers.

Abstract: This invention relates to a core/shell impact modifier having as a core a copolymer or terpolymer having from 25 to 75 percent by weight of 2-ethylhexyl acrylate (2-EHA) monomer units with from 25 and 75 percent by weight of n-octyl acrylate (n-OA) monomer units. This core-shell impact modifier is used in performance polymers to improve low temperature impact performance.

Abstract: Polymer particles comprising a cross-linked polymer core and a linear non-cross-linked polymer shell may be formed by emulsion polymerization. The polymer particles may be used in forming toner.

Abstract: A core-shell particle including a core with poly(arylene ether) and a shell with an ethylenically unsaturated copolymer is described. Also described are a method of forming the particle, a composition including the particle, and an article including such a composition.

Abstract: The invention relates to composite materials having an optical effect, comprising at least one moulding which essentially consists of core/shell particles whose shell forms a matrix and whose core is essentially solid and has an essentially monodisperse size distribution, where a difference exists between the refractive indices of the core material and of the shell material, and at least one further material which determines the mechanical properties of the composite, and to a process for the production of the composite materials. The materials according to the invention exhibit a viewing angle-dependent colour effect with freely adjustable mechanical properties.

Abstract: Aqueous dispersions are disclosed, having a minimum film formation temperature no greater than about 50° C., that include a multi-stage emulsion polymer made by a process that includes a first polymerization stage, in which a first monomer mixture having a calculated glass transition temperature of at least about 50° C. is polymerized via free radical emulsion polymerization to obtain a first-stage emulsion polymer, and a second polymerization stage, in which a second monomer mixture, having a calculated glass transition temperature from about ?30° C. to about 10° C., is polymerized via free radical emulsion polymerization, in the presence of the first-stage emulsion polymer. The dispersions are useful in a variety of coating compositions that exhibit improved block resistance.

Abstract: A multiple component adhesive composition is comprised of a polymeric reinforcing phase component and an adsorbent phase component, both as heterogeneously dispersed particulates in an adsorbed liquid component. The reinforcing phase component is substantially incompatible with the liquid component, the adsorbent phase component is compatible or substantially more compatible with the liquid component than is the reinforcing phase component, and the reinforcing phase and adsorbent phase components are partially compatible with one another. The composition has the rheological characteristics of a liquid dispersion and is capable of forming a molten blend at elevated temperatures that solidifies into a solid adhesive upon cooling. Hot-melt or other liquid compositions may also include nanoparticles at least partially exfoliated as a result of shear mixing.

Abstract: A dispersion of colored particles is disclosed. The dispersion is prepared by emulsifying a mixture comprising a colorant and polymer, employing a reactive emulsifier, and subsequently copolymerizing the resulting mixture, employing polymerizable monomer. An ink employing the dispersion is also disclosed.

Abstract: The invention is directed to a polishing pad for use in chemical-mechanical polishing comprising a biodegradable polymer. The biodegradable polymer comprises a repeat unit selected from the group consisting of glycolic acid, lactic acid, hydroxyalkanoic acids, hydroxybutyric acid, hydroxyvaleric acid, caprolactone, p-dioxanone, trimethylene carbonate, butylene succinate, butylene adipate, monosaccharides, dicarboxylic acid anhydrides, enantiomers thereof, and combinations thereof. The invention is further directed to methods of its use.

Abstract: The present invention relates to the use of polymeric microparticles having thin shells in hydraulically setting building material mixtures for the purpose of enhancing their frost resistance and cyclical freeze/thaw durability.

Abstract: The present invention relates to the use of different-sized polymeric microparticles in hydraulically setting building material mixtures for the purpose of enhancing their frost resistance and cyclical freeze/thaw durability.

Abstract: Processes for utilizing various emulsion polymerization procedures for preparing aqueous nanocomposite dispersions are disclosed. The disclosed processes include both in-situ polymerizations in the presence of at least partially exfoliated unmodified clays as well as admixtures of polymer dispersions with at least partially exfoliated unmodified clay dispersions. The disclosed nanocomposite dispersions are useful for preparing a variety of materials, such as coatings, adhesives, caulks, sealants, plastics additives, and thermoplastic resins. Processes for preparing polymer clay nanocomposite powders and use of these powders as plastic resin and plastics additives are also disclosed.

Abstract: A liquid ink composition includes a colorant, a charge control agent, an organosol, a carrier liquid, and a storage stabilizer. The storage stabilizer is a metal salt of a metal cation and an organic anion having 15 to 30 carbon atoms. The liquid ink composition is produced by a method of adding the storage stabilizer in an effective amount to improve the dispersibility and storage stability at high temperatures without deteriorating the electrical property and the optical density of the liquid ink composition. The storage stabilizer can be a metal salt of C15 to C30 alkyl carboxylate or a metal salt of a C15 to C30 alkyl sulfonate.

Abstract: A no flow fluxing underfill having a hardener component comprising a phenolic component and an anhydride component in a molar ratio of phenolic component to anhydride component of between about 0.1:1 and about 2:1; or between about 0.8:1 and about 1.2:1. An underfill preparation method involving blending an epoxy component and a phenolic component, heating the blend, and cooling the blend, prior to incorporation of an anhydride component.

Abstract: Aqueous crosslinkable coating composition suitable for anti-graffiti and heavy duty applications comprising: (A) an aqueous polymer emulsion comprising at least one vinyl fluoropolymer which comprises as a polymerized constituent monomer thereof (i) a fluoromonomer(s) having the formula (1) wherein R1 is CH3 or H, R2 is a per-fluorinated C1-5 alkyl group and n is 1, 2, 3 or 4, (ii) a hydroxyl functional monomer(s) and (iii) a carboxylic acid-functional monomer(s) where the vinyl fluoropolymer has a glass transition temperature Tg within the range of from ?50 to 90° C.

Abstract: A method for imparting damage resistance to a coating, film or article of manufacture comprising adding crosslinked polymeric nanoparticles having a size range of 1-100 nm in diameter to said coating, film or article of manufacture.

Abstract: A thermoplastic composition comprises polycarbonate, an impact modifier having a pH of about 3 to about 7, and a flame retardant essentially free of bromine and chlorine.

Abstract: Coating materials comprising polymeric particles in a geometrically ordered array are disclosed. The particles can be formed from materials having different glass transition temperatures; this allows for phase segregation between areas of different glass transition temperatures within each particle. Typically, at least 50 percent of the particles will form a hexagonal array, capable of exhibiting Bragg diffraction. Because the particles within the array do not coalesce to any appreciable extent, significant surface area is provided by the present coating materials. Thus, the present materials have particularly good sound deadening properties. Substrates coated with the present materials are also disclosed, as are methods for inhibiting sound transmission through a substrate using these coatings.

Abstract: The plastics additives powder compositions of the present invention are provided as powder particles having impact modifier particles and processing aid particles which are coagulated and dried. When blended in thermoplastic resins, such as PVC, the subject plastics additives powders both increase the impact strength and improve process efficiency and melt strength. The impact and processing properties achieved by the present invention are more efficient than using separate impact modifier and processing aid powders. The method of preparing the powder compositions of the present invention also enable impact modifier particles having rubber weight fractions greater than 88% to be isolated as free-flowing powders.

Abstract: The present invention is a rubber modified monovinylidene aromatic polymer composition which can be used in conventional thermoforming or other highly orienting forming or shaping processes to produce tough, cost effective, transparent containers or other packaging materials.

Abstract: A polymer with a hemocompatible film or coating is manufactured by a one-step method comprising polymerizing monomer droplets comprising at least one crosslinking agent to form a polymer and simultaneously coating the resulting polymer using at least one dispersing agent to thereby form a hemocompatible coated polymer.

Abstract: A fluororesin powder coating composition having high light resistance and being excellent in blocking resistance and smoothness of the coating film when coated, and a fluororesin powder to be used for a powder coating material, are presented. The fluororesin powder coating composition is made by using as the main material resin a composite fluorinated copolymer powder having a core/shell structure wherein core particles are made of a fluorinated copolymer and their surfaces are covered by e.g. a (meth)acrylate resin having a glass transition temperature higher than that of the core particles. The core/shell structure is formed by seed polymerization wherein fluorinated polymer particles are used as seeds.

Abstract: The invention relates to a novel impact-resistance modifier, constructed from a core-shell 1 and a shell 2, whereby the core is plastically deformable. The invention is characterised by excellent mechanical properties obtained by a low content of impact-resistance modifier.

Abstract: The invention relates to an acrylic impact modifier having a core-shell structure that provides an acrylic impact modifier composition comprising (a) a rubber core containing an alkyl acrylate polymer comprising at least two layers having different cross-linking densities, and (b) a shell containing an alkyl methacrylate polymer; to a process for the preparation of the acrylic impact modifier; and to a poly(vinyl chloride) composition comprising it. The acrylic impact modifier imparting excellent impact resistance was invented by employing multi-stage polymerization and at the same time by controlling the swelling index of rubber particles by changing the degree of cross-linking from stage to stage. And the poly(vinyl chloride) comprising the impact modifier of the present invention has good weatherability as well as excellent impact strength.

Abstract: The present invention relates to a splayed layered material comprising a layered material splayed with a highly branched polymer. Additional embodiments include a splayed layered material comprising a matrix polymer and layered material wherein said layered material is splayed with a highly branched polymer, an article comprising the splayed layered material in a matrix, and an exfoliated material.

Abstract: This invention relates to an inhibited non-solubilized granular starch modified by less than 5% of a carboxylated polymer. In addition, a process is provided wherein a non-solubilized, substantially granular starch is mixed with a carboxylated polymer, dried to form a starch/carboxylated polymer blend and then physically treated to form a starch/carboxylated polymer composite. Further, this invention relates to the improved industrial and food products prepared from these starch/carboxylated polymer composites.

Abstract: The present invention relates to a coating composition for a recording medium useful in ink jet printing of photographic images to provide a high gloss finish. The coating composition for an ink jet recording medium comprises colloidal silica and a synthetic resin emulsion having two or more glass transition points. The synthetic resin emulsion is obtained by emulsion-polymerizing, simultaneously or separately, (A) a radical-polymerizable unsaturated monomer having a silyl group and (B) another radical-polymerizable unsaturated monomer which is copolymerizable unsaturated monomer which is copolymerizable with (A), in the presence of a radical polymerizable surfactant.

Abstract: An ink-jet recording ink is disclosed. The ink contains colored particles each composed for Resin A containing a colorant, or colored particles each comprising a core composed of Resin A containing a colorant and a shell composed of Resin B covering the core, a water miscible solvent and water, and absorption coefficient “a” of the ink as itself and absorption coefficient “b” of the ink in which the colorant is dissolved satisfy the relation of 0.50?a/b?0.95.

Abstract: A polymer system with a hemocompatible film or coating is provided, the system comprises an organic phase and an aqueous phase, the organic phase comprises polymerizable monomers and at least one initiator and the aqueous phase comprises at least one dispersing agent, at least one free radical inhibitor and at least one buffering agent, the organic phase is immiscible in the aqueous phase, and the dispersing agent forms a hemocompatible surface on the polymer.

Abstract: A polymer composition including polymer particles containing a first polymer and a second polymer is disclosed. The first polymer has a crosslinked core and has a glass transition temperature in the range of ?30° C. to 100° C. The second polymer containing select crosslinking groups and has a glass transition temperature in the range of ?10° C. to less than 18° C. A process to prepare the polymer composition is provided. Also provided are a coated article containing a coating prepared from the polymer composition and a method of preparing the coated article. The polymer composition has good low temperature film formation and provides a film with an acceptable level of hardness.

Abstract: The present invention relates to aqueous plastic material dispersions based on vinyl ester copolymers, having a solids content of up to 80% by weight and a minimum film formation temperature below 20° C., which is substantially stabilized by ionic components, the vinyl ester copolymers containing at least one homo- or copolymer A and at least one homo- or copolymer B, methods for producing the same and the use thereof.

Abstract: An object of the invention is to provide a polishing pad having the excellent slurry retaining properties and the large removal rate and a composition for a polishing pad which can form such the polishing pad. A composition for polishing pad of the invention is comprising a water-insoluble matrix material containing a crosslinked polymer and a water-soluble particle dispersed in the water-insoluble matrix material. The elongation remaining after breaking is 100% or less when a test piece comprising the water-insoluble matrix material is broken at 80° C. according to JIS K 6251. A polishing pad of the invention is that at least a part of the polishing pad comprises the composition for polishing pad.

Abstract: This invention relates to a tread rubber composition for tires with the addition of crosslinked resinous nanoparticles having a high glass transition temperature (Tg) into elastomeric base polymers. The invention demonstrates greatly improved handling performance without deteriorating controllability and stability during high-speed running. The present invention discloses a rubber composition comprising: (1) a rubbery polymer and (2) from 1 to 30 parts per hundred parts of rubber by weight (phr) of pre-crosslinked polymer particles, wherein the pre-crosslinked polymer particles have a particle size which is within the range of 30 nm to 500 nm, wherein the pre-crosslinked polymer is comprised of repeat units that are derived from at least one monomer selected from the group consisting of acrylate monomers, vinyl aromatic monomers, acrylonitrile monomer, and vinyl halide monomers, and wherein the pre-crosslinked polymer has a glass transition temperature which is within the range of 30° C. to 200° C.

Abstract: The object of the present invention is to provide a flame-retardant thermoplastic resin composition, which comprises: 100 parts by weight of a thermoplastic resin (A), 0.1 to 30 parts by weight of a polyorganosiloxane-containing graft copolymer (B) obtained by polymerizing, in at least one stage, a monomer (B-3) comprising a polyfunctional monomer (B-2) containing at least two polymerizable unsaturated bonds within the molecule thereof, and/or a vinyl monomer (B-4) in the presence of polyorganosiloxane particles (B-1), 0.0005 to 5 parts by weight of at least one metal salt (C) selected from the group consisting of alkali metal salts and bivalent or further polyvalent metal salts, and 0.05 to 2 parts by weight of a fluororesin (D).

Abstract: A thermoplastic molding composition having improved flammability rating and mechanical properties is disclosed. The composition contains aromatic polycarbonate having a weight-average molecular weight Mw?25,000 g/mol., polyalkylene terephthalate, graft (co)polymer characterized in that its grafted phase includes structural units derived from acrylate monomers, an oligomeric organic phosphoric acid ester, and an optional fluorinated polyolefin. In a preferred embodiment the graft (co)polymer is characterized in its core-shell morphology.

Abstract: The present invention provides polymer compositions of special graft rubber polymers, in the production of which are employed rubbers with defined particle diameters obtained by seed polymerization using seed latex particles with defined particle diameters.

Abstract: A colored particle aqueous dispersion and a water based ink containing the dispersion are disclosed, the colored particle aqueous dispersion containing colored particles comprising a colorant and a resin, wherein the difference in solubility parameter (SP) between the colorant and the resin is not more than 4.0 (J/cm3)1/2.

Abstract: A binder for battery comprising composite polymer particles in which two or more polymers having different chemical structures form a heterogeneous phase structure. Preferably, said two or more polymers include two polymers having a glass transition temperature (Tg) different from each other by 5° C. or more. When a slurry prepared by mixing the binder with a liquid material and an active material is used for the production of an electrode for a secondary battery, especially, a lithium secondary battery, the resulting battery exhibits an improved performance because the slurry imparts a well-balanced binding power and a binding durability.

Abstract: Pigmented aqueous coating composition providing good blocking and elasticity properties comprises a blend of a seeded multistage polymer latex(es) having at least one soft and at least one hard polymer phases and a non-film-forming polymer latex(es), the seed polymer(s) having a Tg?10° C. lower than that of the hard polymer phase(s) and preferably having a Tg?10° C. higher than that of the soft polymer phase(s), and the multistage polymer(s) preferably having amino functionality incorporated by an imination reaction.