Abstract: Process for preparing a thermoplastic resin composition containing an aromatic polycarbonate resin which may include a thermoplastic resin other than the aromatic polycarbonate resin, a granular talc, and optionally a rubber polymer, a flame retardant or a fluorinated polyolefin. The granular talc has a particle size in which a proportion of a 500 ?m-mesh screen residue thereof is not less than 55% by weight.

Abstract: Weather resistant and water repellent surfacing compositions especially useful in roofing applications contain an alkoxysilane-terminated polymer and a reactive silane plasticizer containing a C6-40 hydrocarbon group. The surfacing compositions are of low viscosity and may be used without non-reactive plasticizers or organic solvents.

Abstract: The invention provides for the use of dry building materials comprising one or more polymers in the form of water-redispersible powders, and optionally mineral binders, optionally fillers and optionally additives, for the surface treatment of cementitious substrates that are as yet not fully set.

Abstract: The present invention relates to a composite powder, preparation and use thereof. The composite powder according to the present invention is prepared by intimately mixing an irradiated or non-irradiated rubber latex with a slurry of inorganic particles in a ratio corresponding to that of rubber particles to inorganic particles in the composite powder according to the present invention, and then drying the resultant mixture. The composite powder according to the present invention comprises agglomerates composed of powdery rubber particles and inorganic particles, with inorganic particles being uniformly distributed either inside the agglomerats or both inside the agglomerates and on the surfaces thereof. The composite powder according to the present invention can be easily dispersed in plastic matrixes and thus can be compounded with plastics to produce toughened plastics and thermoplastic elastomers.

Abstract: A liquid crystalline polyester composition containing at least 100 parts by weight of liquid crystalline polyester (A) and 10 to 100 parts by weight of talc (B). The talc (B) has a ratio (a1/a2) of oil absorption (a1) ml/100 g to specific surface area (a2) m2/g in a range of 14.0 to 26.0 (ml·g)/(100 g·m2) and has a number-average particle diameter of 10 to 30 ?m.

Abstract: Polymer composition suitable for ABS styrenic resin replacement where high dimensional stability and a good esthetical appearance is required, comprising a polymer blend (A), comprising 60-80% by weight, of a crystalline propylene homo or copolymer (A1) (MFR <50 g/10 min); and 20-40% by weight, of copolymer(s) of ethylene (A2). Said polymer blend (A) having values of MFR up to 30 g/10 min; the amounts of (A1) and (A2) being referred to the total weight of the polymer blend (A). The polymer composition further comprises 20-40% by weight, of a talc mineral filler (B); the amount of components (B) being referred to the total weight of the composition. Optionally the polymer composition further comprises 1-15% by weight, of an elastomeric polymer (C) different from (A2), having a hardness (Shore A, ASTM D-2240) value equal to or lower than 80 points; the amount of components (C) being referred to the total weight of the composition.

Abstract: The invention relates to a specific and novel use of a molding compound having the following constituents: (A) between 30 and 100 wt. % of a polyamide mixture containing (A1) between 50 and 95 wt. % of an aliphatic, partially crystalline homopolyamide or copolyamide or a mixture of such polyamides, and (A2) between 5 and 50 wt. % of a transparent homopolyamide or copolyamide or a mixture of such polyamides; and (B) between 0 and 70 wt. % of filling and reinforcing materials, and optionally auxiliary materials and additives. According to the invention, the molding compound can be used to produce a molded part for drinking water, especially a container or a line, in which, depending on the use, at least some regions of the processed molding compound are essentially directly exposed to the drinking water.

Abstract: The present invention relates to composites, comprising inorganic and/or organic pigments and/or fillers in the form of microparticles, the surface of which is coated at least partially with finely divided nano-calcium carbonate with the help of binders based on copolymers comprising as monomers one or more dicarboxylic acids and one or more monomers from the group of diamines, triamines, dialkanolamines or trialkanolamines, a method for producing such composites, aqueous slurries thereof and their use in papermaking or in the field of paint and plastic production and the use of the inventive binders for coating the microparticles with nano-calcium carbonate.

Abstract: Disclosed is a polyamide composition including at least one semi-aromatic copolyamide, said semi-aromatic copolyamide consisting essentially of about 25 to about 55 mole percent repeat units of the formula —C(O)(CH2)mC(O)NHCH2ArCH2NH—??(I) and about 45 to about 75 mole percent repeat units of the formula —C(O)(CH2)mC(O)NH(CH2)nNH—??(II) wherein m is 8, 10, and/or 12, n is 6, 10 and/or 12 and Ar is a meta-substituted benzene ring; and said polyamide has a melting point equal to or less than 225° C.; and 0.25 to 20 weight percent of one or more polyhydroxy polymer(s) having a number average molecular weight of at least 2000 and selected from the group consisting of ethylene/vinyl alcohol copolymer and poly(vinyl alcohol). Also disclosed are molded or extruded articles including the polyamide composition.

Abstract: Organosilicon composites are described, comprising 30 to 90 vol. % of a cured organosilicon copolymer derived by curing an organosilicon polymer having, in the same copolymer, silicon-containing repeating units comprising a silicon hydride and silicon-containing repeating units comprising a C1-10 ethylenically unsaturated group; and 10 to 70 vol. % of a dielectric filler. The composites are used in the manufacture of circuit subassemblies.

Abstract: The present disclosure relates to polymer coating compositions that comprise at least one thermoplastic resin, at least one opacity modifier, at least one gloss modifier, and at least one impact modifier, articles at least partially coated with the polymer coating composition, paintable polymer coated articles and method for making the polymer coated and painted polymer coated articles. These compositions exhibit enhanced paintability (including paintability with water-based paints) and mechanical properties for fabrication (cutting, nailing, routing, etc.), while maintaining acceptable visual appearance, such as, for example, opacity, gloss, surface appearance, and surface roughness.

Abstract: The present invention relates to an item produced via thermoforming and comprising: i) a biodegradable polyester comprising: a) succinic acid; b) optionally one or more C6-C20 dicarboxylic acids; e) 1,3-propanediol or 1,4-butanediol; f) a chain extender or branching agent; ii) polylactic acid; iii) at least one mineral filler; The invention further relates to processes for producing the abovementioned items.

Abstract: The present invention relates to a polyolefin composition for an interior sheet/film. The polyolefin composition of the present invention for an interior sheet comprises 70 to 99 wt % of polyolefin and 1 to 30 wt % of modified polyethylene terephthalate having a melting point of 130 to 180° C. The polyolefin composition of the present invention is environmentally friendly and has good physical properties such as workability, printing characteristics, and adhesiveness. In addition, sheets having various thicknesses can be produced by extrusion without having to stretch the sheets, and thus the sheets can be used separately or in combination in various application fields.

Abstract: A two-component mortar composition suitable for construction purposes is disclosed. The two-component mortar composition includes a resin component A with a resin curable with a peroxide containing at least one norbornene group and at least one methacrylate containing compound and a hardener component B with a peroxide and at least one thiol. At least one of the resin component A and the hardener component B contains at least one inorganic filler. The resin component A and the hardener component B are spatially separated from one another to inhibit any reaction before mixing of the components.

Abstract: A polymer composition comprises (a) least 40 wt % (based upon the weight of the composition) of a cyclic olefin polymer comprising at least one acyclic olefin and at least 20 wt % of one or more cyclic olefins (based upon the weight of the cyclic olefin polymer), wherein at least a portion of the cyclic olefin polymer has a glass transition temperature of greater than 100° C.; (b) an acyclic olefin polymer modifier in an amount up to 40 wt % (based upon the weight of the composition); and (c) at least 10 wt % (based upon the weight of the composition) of one of more fillers. The polymer composition has a notched Izod impact resistance measured at 23° C. of greater than 100 J/m and a flexural modulus (1% secant method) of greater than 1400 MPa.

Abstract: A solvent-less liquid ethylene propylene diene rubber compound and a solvent-less liquid ethylene propylene rubber compound are provided. The compounds can include a liquid ethylene propylene diene or a liquid ethylene propylene mixed with a filler system, a plasticizer, and a cross-linking agent to form the compound. The compound can have a viscosity ranging from 150,000 centipoises to 750,000 centipoises at a temperature of 23 degrees Celsius, allowing the compound to be liquid injection moldable. The compound can contain substantially no solvent.

Abstract: A durable substrate coating and a process of making include a resin master batch. The resin master batch can include ethylene propylene diene with a polymethylene backbone, mineral spirits, fillers, a de-tackifier, a curative, an activator component, and a metal dryer. The process can include adding the mineral spirits to: the ethylene propylene diene, a plasticizer, and the de-tackifier, and blending to form a solution. The process can include adding the fillers, a light stabilizer, a rheology modifier, and a pigment to the solution, forming a first mixture. The process can include adding another rheology modifier, another light stabilizer, an antioxidant, and a curative to the first mixture, forming a second mixture. The process can include mixing the second mixture to homogenously disperse each ingredient while maintaining a temperature of 60 degrees Celsius to prevent the mineral spirits from flashing.

Abstract: A high-frequency copper claded laminate for use in an operational frequency of at least 1 GHz possesses properties of dielectric constant (Dk) less than 3.2, dissipation factor (Df) less than 0.005, high glass transition temperature, high thermal stability and low moisture absorption; the laminate contains a tack-free prepreg constituted by a reinforcement impregnated with an inventive resin mixture at least comprising a high-molecular-weight polybutadiene resin, a low-molecular-weight polybutadiene resin, a modified thermosetting polyphenylene ether resin and an inorganic powder; and particularly the tack-free prepreg can be processed into the copper claded laminates through automated layup processing to satisfy a long-felt but unmet needs in the filed of producing copper claded laminate.

Abstract: A heat-shrinkable polylactic acid (PLA) film and a method of its manufacture are provided. In an exemplary embodiment, the PLA films exhibit heat-induced shrinkage in the transverse direction with little to no concomitant shrinkage in the machine direction. The films may comprise any grade of PLA polymer, optionally including additives, such as antiblock, slip, plasticizers, viscosity enhancers and combinations thereof. A method of cast and tenner manufacture is disclosed, which includes a temperature conditioning step.

Abstract: The present invention relates to composites, comprising inorganic and/or organic pigments and/or fillers in the form of microparticles, the surface of which is coated at least partially with finely divided nano-calcium carbonate with the help of binders based on copolymers comprising as monomers one or more dicarboxylic acids and one or more monomers from the group of diamines, triamines, dialkanolamines or trialkanolamines, a method for producing such composites, aqueous slurries thereof and their use in papermaking or in the field of paint and plastic production and the use of the inventive binders for coating the microparticles with nano-calcium carbonate.

Abstract: A multi part hydrosilylation curable silicone elastomer composition comprising (i) an organopolysiloxane comprising at least two unsaturated groups and having a viscosity of at least 1,000 mPas at 25° C.; (ii) inorganic filler having a hydrophilic surface; (iii) a filler treating agent comprising an organopolysiloxane comprising at least 2 hydroxy or otherwise hydrolysable groups, or a mixture thereof and having an average degree of polymerization of from 2 to 50; (iv) an organohydrogensiloxane having an average of greater than two silicon bonded hydrogen atoms per molecule having a viscosity of up to about 10 PaS at 25° C.; (v) a hydrosilylation catalyst; and/or a treated filler obtained by the reaction of (ii) and (iii) above characterized in that the filler treating agent (iii) and/or treated filler is packaged separately from organohydrogensiloxane (iv) prior to curing.

Abstract: The present invention which is directed to a composition comprising: (a) a poly(arylene ether); (b1) a radial block copolymer of an alkenyl aromatic monomer and a conjugated diene; wherein the radial block copolymer has about 50 to about 70 weight percent of repeating units derived from the alkenyl aromatic monomer and a number average molecular weight of about 50,000 to about 70,000 atomic units; (b2) a linear block copolymer of an alkenyl aromatic monomer and a conjugated diene; wherein the linear block copolymer has about 55 to about 70 weight percent of repeating units derived from the alkenyl aromatic monomer; wherein the ratio of (b1) to (b2) is 0.

Abstract: Polyamide molding composition, in particular for use for components of electronic and/or electrical components, having the following composition: (A) 30-100% by weight of a partially aromatic, partially crystalline copolyamide made up of 100% by weight of diacid fraction composed of: 72.0-98.3% by weight of terephthalic acid (TPA) and/or naphthalenedicarboxylic acid; 28.0-1.7% by weight of isophthalic acid (IPA) and 100% by weight of diamine fraction composed of: 51.0-80.0% by weight of 1,6-hexanediamine (HMDA); 20.0-49.0% by weight of aliphatic, unbranched C9-C12-diamine; (B) 0-70% by weight of fillers and reinforcing materials; (C) 0-25% by weight of flame retardants; (D) 0-5% by weight of additives; where the components (A)-(D) add up to 100% by weight.

Abstract: The invention provides a golf ball having a core and a cover of at least one layer that is formed over the core and is made of a resin composition. The ball has a weight change ratio, in a 72-hour accelerated moisture absorption test conducted at a temperature of 40° C. and a relative humidity of 90%, of less than 0.287%. By using in the golf ball a polyurethane having a good resistance to water vapor transmission, the weight change ratio and decrease in initial velocity with use over an extended period of time are held to a minimum, enabling the ball quality to be maintained.

Abstract: The present invention relates to a laser additive in the form of particles comprising a white core and a shell which comprises elemental carbon, to a process for the preparation thereof, and to the use of a laser additive of this type in organic polymers, in particular in plastics, coatings, automobile paints, powder coatings, printing inks, paper coatings and papermaking stocks for the production of durable pale laser markings, preferably on a dark background

Abstract: The present invention relates to a curable rubber composition comprising an organic elastomer, a filler and at least one curing agent for the elastomer. Such curable rubber compositions are widely used in the production of cured rubber articles, such as tires, belts and hoses. The composition contains a branched silicone resin having Si-bonded hydroxyl groups or azo groups. This may lead to a reduction in the mixing energy required for processing, particularly in the energy required in the first (non-productive) mixing phase to give good dispersion of the filler in the organic elastomer. Use of the branched silicone resin can also accelerate cure (vulcanization), thus reducing the required cure time or reducing the amount of cure accelerator required.

Abstract: A copolyamide resin for molding including a diamine component which includes two or more diamines and a dicarboxylic acid component. The diamine component includes 70 mol % or more of a xylylenediamine which includes 20 mol % or more of p-xylylenediamine and the dicarboxylic acid component includes 70 mol % or more of a straight-chain aliphatic dicarboxylic acid having 6 to 18 carbon atoms. The copolyamide resin contains particles having a major diameter of 50 ?m or more in an amount of 1000 particles/g or less, the particles being made of a polyamide having a melting point higher than that of the copolyamide resin by 20° C. or more when measured by a differential scanning calorimetry. The copolyamide resin has very uniform and stable properties and is excellent in any of mechanical properties, heat resistance, chemical and physical properties, and molding properties. An efficient production method of the copolyamide resin, its resin composition, and its molded article are also described.

Abstract: The present invention relates to polyamide moulding compounds which have very low distortion with good mechanical properties. This is achieved by a combination of transparent polyamide with fibrous reinforcing materials and also particulate fillers. The moulding compounds according to the invention are used for the production of any moulded articles, semi-finished products or finished products.

Abstract: An aqueous dispersion of hybrid particles consisting of inorganic or organic pigment particles and organic nano-particles attached to the surface of the pigment particles, the nano-particles having a particle size between 2 and 200 nanometers. Preferably the nano-particles have a glass transition temperature of at least 120° C. and comprise co-polymers of vinyl monomers and a mixture comprising maleic anhydride and derivates of maleic anhydride. In a process for preparing such an aqueous dispersion a copolymer of vinyl monomers and maleic anhydride is treated in water with a compound having the general formula R—NH2 of which R is H, alkyl with 1 to 18 C-atoms or aryl, and in the presence of one or more inorganic pigment particles, at least 35% of the maleic anhydride groups being transformed in imides groups.

Abstract: Resin compositions containing a polyisobutylene resin; a polyisoprene resin and/or a polyisobutylene resin, each having a functional group capable of reacting with an epoxy group; a tackifier resin; and an epoxy resin are useful for sealing OEDs.

Abstract: It is a purpose of the present invention to provide a flame retardant resin composition having a high level of flame retardancy and excellent physical properties and a molded article thereof. The flame retardant resin composition comprises: (A) 100 parts by weight of a resin component (component A) containing polylactic acid (component A-1); (B) 10 to 50 parts by weight of an organic phosphorus compound represented by the following formula (1) (component B): (in the above formula, the phenyl group may have a substituent); (C) 5 to 30 parts by weight of a hydrogenated styrene-based thermoplastic elastomer (component C); and (D) 1 to 10 parts by weight of talc (component D).

Abstract: Process for preparing a thermoplastic resin composition containing an aromatic polycarbonate resin which may include a thermoplastic resin other than the aromatic polycarbonate resin, a granular talc, and optionally a rubber polymer, a flame retardant or a fluorinated polyolefin. The granular talc has a particle size in which a proportion of a 500 ?m-mesh screen residue thereof is not less than 55% by weight.

Abstract: An aromatic polycarbonate resin composition exhibiting small molding shrinkage anisotropy, high dimensional stability, and high flowability, and a molded article produced therefrom, wherein the aromatic polycarbonate resin composition, and the molding thereof, each comprise 100 parts by mass of an admixture comprising: (A) 40-99 mass % aromatic polycarbonate resin, or a mixture of 60 mass % or more aromatic polycarbonate resin and 40 mass % or less flowability improver and/or impact modifier; (B) 60-1 mass % silicate-containing inorganic filler, or a mixture of 35 mass % or more silicate-containing inorganic filler and 65 mass % or less fibrous filler; and (C) 0.

Abstract: The present invention provides a water-based coating system that can be used to form durable, abrasion resistant, corrosion resistant, protective barriers on a wide range of substrates. The coating system is particularly effective for protecting metal-containing substrates, such as intermodal cargo containers, against corrosion. As an overview, the present invention provides water-based primer compositions suitable to form primer coats and topcoats on substrates. Desirably, the primer incorporates one or more chlorinated resins for excellent corrosion protection. These polymers not only provide excellent corrosion protection and but also show excellent adhesion to a wide range of substrate materials. The system also includes topcoat compositions enhance compatibility and adhesion to the primer and to provide enhanced application.

Abstract: Products which decompose when exposed to water are disclosed. The products comprise polyvinyl alcohol, talc, polyethylene glycol, and one or more of fiberglass and a titanium complex. The hardness or softness of the products may be varied by varying the relative amounts of talc, fiberglass, and titanium complex used therein. The products may be formed into items such as golf tees, stakes for ground-anchored structures, pellets for firearms, survey stakes and flags.

Abstract: The invention provides a composition comprising at least one olefin multi-block interpolymer; at least one functionalized olefin-based polymer; and optionally at least one thermoplastic polyurethane. The invention also provides for articles prepared from the inventive compositions and for methods for making the same.

Abstract: Curable rubber compositions and cured articles are based on the use of zinc activator compositions for the sulfur cure. Activator compositions contain zinc and a polymeric component having a plurality of COOH groups, at least some of which are neutralized with the zinc. With polymeric zinc activators, sulfur cure can be activated at levels of zinc below those used in conventional systems.

Abstract: A radiation-curable base resin composition and a fingerprint-resistant resin composition including the same are provided. The radiation-curable base resin composition includes a multifunctional urethane (meth)acrylate having three or more functional groups at 3 to 35 parts by weight, a bifunctional urethane (meth)acrylate at 3 to 35 parts by weight, at least one (meth)acrylic acid ester monomer selected from a monofunctional (meth)acrylic acid ester monomer and a multifunctional (meth)acrylic acid ester monomer at 20 to 60 parts by weight and a radiation polymerization initiator at 0.1 to 15 parts by weight.

Abstract: Filled, thermoplastic polyolefin (TPO) compositions having a total energy absorption during impact at ?30° C. of at least 20 ft-lb-f as measured by an Instrumented Dart Impact Test (ASTM D3763) at 6.7 m/s and a peak tangent flexural modulus of>2100 MPa (305,000 psi as measured by ASTM D-790, the composition comprising based on the total weight of the TPO composition; A) 36-56 wt % of a crystalline polypropylene having a MFR of at least 1 and a melting point of at least 160° C. as measured by DSC; and B) 64-44 wt % of an elastomer/filler composition comprising (1) an EAO elastomer having a (1) Tg of less than ?50° C. as measured by DSC, (b) tan delta between >2 and 3 as measured at 0.1 rad/s and 190° C. with an Advanced Rheometrie Expansion Systems rheometer. and (c) HDT greater than or equal to the peak melting temperature of the elastomer as measured by DSC, and (2) a platy filler, e.g.

Abstract: The invention relates to a polymer composition comprising a matrix polymer, silica particles dispersed therein, and a coupling agent and a screening agent for the silica particles, and is characterized in that the screening agent is an alkylamine compound. The polymer composition is particularly suitable for the manufacture of rubber tires with improved rolling resistance.

Abstract: A purging compound for purging an extruder of polyamides or other polar thermoplastic resins for transitioning to the extrusion of a non-polar thermoplastic resin, includes a non-polar base polymer compounded with an ethylene-methacrylate copolymer, up to 15% of a mineral, and about 1% of a suitable antioxidant.

Abstract: The present invention provides a planar connector having excellent performances including flatness, warp-deformation resistance, and heat resistance, being capable of responding to shape changes in recent planar connectors. Specifically, the planar connector is composed of a composite resin composition comprises (A) a liquid crystalline polymer containing 55% by mole or less of p-hydroxy benzoic acid residue and having a melting point of 330° C. or higher, (B) a plate-like inorganic filler, and (C) a fibrous filler having a weight average fiber length within a range of 250 to 600 ?m, the amount of (B) component being 25 to 35% by weight to the total composition, the amount of (C) component being 10 to 25% by weight to the total composition, the sum in total of (B) component and (C) component being 40 to 50% by weight to the total composition, wherein the connector has a lattice structure inside an outer frame, and has an opening inside the lattice area, and wherein the pitch interval of the lattice area is 1.

Abstract: The present invention relates to a thermoplastic resin composition which comprises 100 parts by weight of a polyamide resin (component A) and 1 to 400 parts by weight of a granular inorganic filler (component B) comprising an inorganic filler having an average particle diameter of 0.01 to 100 ?m and a water-soluble polyester resin binder, and having a bulk density of 0.4 to 1.5 g/mL; and a resin molded article obtained by molding the thermoplastic resin composition. The thermoplastic resin composition is improved in various properties such as extrusion moldability, rigidity, impact resistance, thermal stability and hue, and exhibits an excellent balance between these properties.

Abstract: A pigmented latex composition having a solids content in a range from 60 wt % to 95 wt % includes a) an aqueous dispersion of a polymeric binder that is a copolymer including units of vinyl acetate, ethylene and at least one ethylenically unsaturated carboxylic acid or salt thereof, the polymeric binder constituting in a range from 10 wt % to 30 wt % of the composition; wherein vinyl acetate units constitute in a range of 70-95 wt % of the polymeric binder, ethylene units constitute in a range of 5-30 wt % of the polymeric binder and ethylenically unsaturated carboxylic acid units constitute in a range from 0.75 wt % to 5 wt % of the polymeric binder; the aqueous dispersion of the polymeric binder is free of alkylphenol ethoxylate surfactants and phosphate ester surfactants; and the polymeric binder has a weight average particle size in a range from 0.1 ?m to 0.

Abstract: The present invention relates to a process for producing shrink films comprising: A) from 20 to 90% by weight of a biodegradable, aliphatic-aromatic polyester and B) from 10 to 80% by weight of one or more polymers selected from the group consisting of: polylactic acid, polypropylene carbonate, polycaprolactone, polyhydroxyalkanoate, chitosan, gluten, and one or more aliphatic/aromatic polyesters, such as polybutylene succinate, polybutylene succinate adipate, or polybutylene succinate sebacate, or polybutylene terephthalate-co-adipate; and C) from 0 to 2% by weight of a compatibilizer, where a blow-up ratio smaller than or equal to 4:1 is selected.

Abstract: Methods and compositions are provided for protecting exterior surfaces of automobiles and other products, or components of products, against abrasion, abrasive dust, water, acid rain, etc. The methods involve applying to a surface a protective coating composition comprising a polyvinyl butyrate emulsion and a relatively inert extender. The emulsion is dried to form a water-resistant protective coating that can be removed from the underlying surface by peeling when no longer desired.

Abstract: The polypropylene resin composition is disclosed which includes 50-94% by weight of a polypropylene resin having a specific structure, 1-25% by weight of an ethylene-?-olefin copolymer rubber composed of an ethylene-?-olefin (C4-20) copolymer rubber having a density of 0.85-0.91 g/cm3 and an MFR of 0.9-20 g/10 min and/or an ethylene-?-olefin (C5-20) copolymer rubber having a density of 0.85-0.91 g/cm3 and MFR of not less than 0.01 but less than 0.9 g/10 min, and 5-25% by weight of an inorganic filler.

Abstract: Reactive compositions are formed into melt processable reactive pellets. The reactive compositions include at least one filler such as talc, clay, pulp, etc. and a reactive mixture comprising at least one polyhydric alcohol and a reactant selected from the group consisting of at least one organic polyacid; at least one organic anhydride; and combinations thereof. Alternatively, the reactive compositions comprise at least one filler and a prepolymer formed from the reactive mixture.

Abstract: A particulate-filled rubber composition contains at least one silane-reactive particulate filler and a mixture of at least one blocked mercaptosilane coupling agent possessing two thioacyl groups and at least one blocked mercaptosilane possessing a single thioacyl group.

Abstract: Aqueous solutions of acrylic acid polymers are prepared by polymerization of acrylic acid in a feed operation with a free-radical initiator in the presence of hypophosphite in water as solvent, by a process comprising (i) initially charging water and optionally one or more ethylenically unsaturated comonomers, (ii) continuously adding acrylic acid in acidic, unneutralized form, optionally one or more ethylenically unsaturated comonomers, aqueous free-radical initiator solution and aqueous hypophosphite solution, and (iii) adding a base to the aqueous solution on completion of the acrylic acid feed, wherein a comonomer content does not exceed 30% by weight and the aqueous hypophosphite solution is added during a total feed time made up of three consecutive feed time spans ?tI, ?tII, and ?tIII, wherein the average feed rate in the second feed time span ?tII is greater than the average feed rates in the first and third feed time spans ?tI and ?tIII.