Abstract: A sound damping composition comprises an acrylic vibrational damping polymer disposed on a surface of a filler. The acrylic vibrational damping polymer has a glass transition temperature, Tg, ranging from ?60° C. to less than 10° C., as calculated by the Fox equation, and has a non-crosslinked component having a Tg less than ?10° C. The weight ratio of the acrylic vibrational damping polymer to the filler is less than 1:1. A thermoplastic resin composition comprises the sound damping composition and a thermoplastic resin, where the sound damping composition is present in an amount of at least 10 wt % relative to the total weight of the thermoplastic resin composition. Articles produced from the resin composition are also disclosed.

Abstract: Provided is a collection of polymer particles comprising (I) a plurality of acrylic particles (I) each comprising (a) an acrylic core polymer (Ia) comprising (i) polymerized units of one or more monovinyl acrylic monomers (Iai), (ii) polymerized units of one or more Si-free graftlinkers (Iaii), (b) a shell polymer (Ib), (II) a plurality of hybrid polymer particles (II), each comprising (a) a core polymer (IIa) comprising (i) polymerized units of one or more silicon-containing monomers (IIai); (ii) optionally, polymerized units of one or more monovinyl acrylic monomers (IIaii); and (iii) polymerized units of one or more Si-free graftlinkers (IIaiii); (b) a shell polymer (IIb) comprising polymerized units of one or more acrylic monomers (IIb).

Abstract: A composition and a method for preparing a polymer composite article. The composition comprises (A) a filler in an amount of from 10 to 90 wt. %. The composition also comprises (B) a polymer in an amount of from 10 to 90 wt. %, wherein the (B) polymer comprises a polyvinyl. Further, the composition comprises (C) an organopolysiloxane in an amount of from greater than 0 to 10 wt. %; the (C) organopolysiloxane having at least one silicon-bonded hydroxyl group and a viscosity of from 1,000 to 60,000 mPa·s at 25° C. The ranges for components (A)-(C) are based on the total weight of components (A), (B) and (C) in the composition.

Abstract: A method of making a collection of polymer particles comprising (A) performing free radical polymerization (A) on an emulsion (E1) that comprises a collection of droplets dispersed in an aqueous medium, wherein the droplets comprise (i) one or more Si-containing monomers; (ii) one or more monovinyl acrylic monomers; and (iii) one or more graftlinkers that have no silicon atoms; to form a dispersion (D1) of core polymer particles in the aqueous medium; (B) in the presence of the dispersion (D1) of core polymer particles, performing aqueous emulsion polymerization (B) on one or more acrylic monomers.

Abstract: Provided is a polymeric composition comprising a continuous phase that comprises a matrix polymer and a dispersed phase comprising polymer particles, wherein the polymer particles comprise: (a) 30% to 85% by weight, based on the dry weight of the polymer particles, a core polymer having Tg of ?35° C. or lower; (b) 15% to 50% by weight, based on the dry weight of the polymer particles, an intermediate polymer having Tg that is 20° C. or lower and that is higher than the Tg of the core polymer by 10° C. or more; and (c) 5% to 30% by weight, based on the dry weight of the polymer particles, a shell polymer having Tg of 50° C. or higher; wherein the shell polymer comprises polymerized units of all vinyl aromatic monomers in an amount of 1% or less, by weight based on the weight of the shell polymer. Also provided is a method of making the composition.

Abstract: A multi-stage flexible acrylic resin comprises a branched polymer which is a reaction product of reactants comprising one or more monoethylenically unsaturated ester monomers, a chain transfer agent in an amount of 0.1 to 10 wt. %, and a crosslinker in an amount of 0.1 to 10 wt. %, wherein wt. % is based on total amount of reactants, provided the amount of crosslinker in moles is less than the amount of chain transfer agent in moles. A process for producing the multi-stage flexible acrylic resin is also disclosed.

Abstract: Disclosed is a composition comprising a polyolefin polymer and a core-shell acrylic polymer comprising a high molecular weight processing aid and a carrier resin. The high molecular weight processing aid is present in an amount ranging from 30% to less than 100% by weight relative to the total weight of the high molecular weight processing aid and the carrier resin, and the carrier resin is present in an amount ranging from greater than 0% to 70% by weight relative to the total weight of the high molecular weight processing aid and the carrier resin. The composition is in the form of particles having an average particle size of at least 2 mm.

Abstract: Provided is a polymer particle comprising (a) a core polymer comprising (i) polymerized units of one or more Si-containing monomers; (ii) polymerized units of one or more monovinyl acrylic monomers (ii); and (iii) polymerized units of one or more graftlinkers that have no silicon atoms; (b) a shell polymer comprising polymerized units of one or more acrylic monomers. Also provided is a composition comprising polyvinyl chloride and a plurality of the polyer particles.

Abstract: Disclosed is a composition comprising a polycarbonate or engineering resin and a branched polymer which is a reaction product of reactants comprising one or more monoethylenically unsaturated ester monomers, a chain transfer agent in an amount of 0.1 to 10 weight percent, and a crosslinker in an amount of 0.1 to 10 weight percent of a crosslinker, wherein weight percent is based on total amount of reactants, provided the amount of crosslinker in moles is less than the effective amount of chain transfer agent in moles, and articles thereof.

Abstract: A composition and a method for preparing a polymer composite article. The composition comprises (A) a polyvinyl butyral (PVB) polymer in an amount of from 10 to 90 wt. %. The composition also comprises (B) a filler in an amount of from 10 to 90 wt. %. Further, the composition comprises (C) an acrylic polymer additive in an amount of from greater than 0 to 10 wt. %, the acrylic polymer additive selected from acrylic copolymers having a weight average molecular weight of at least 4,000,000 Da and a core-shell acrylic additive having a crosslinked core and a shell comprising an acrylic homopolymer or copolymer. The ranges for components (A)-(C) are based on the total weight of components (A), (B) and (C) in the composition.

Abstract: Disclosed is a composition comprising a multi-stage flexible acrylic resin and a branched polymer which is a reaction product of reactants comprising one or more monoethylenically unsaturated ester monomers, a chain transfer agent in an amount of 0.1 to 15 weight percent, and a crosslinker in an amount of 0.1 to 15 weight percent of a crosslinker, wherein weight percent is based on total amount of reactants, provided the amount of crosslinker is within +/?5 weight percent of the amount of chain transfer agent, and wherein the crosslinker comprises at least two carbon-carbon double bonds having different reactivity, and films thereof.

Abstract: Disclosed is a composition comprising a polyolefin and a core-shell acrylic polymer comprising a crosslinked core and a shell comprising a branched polymer. The branched polymer is a reaction product of reactants comprising one or more monoethylenically unsaturated ester monomers, a chain transfer agent in an amount of 0.1 to 15 weight percent, and a crosslinker in an amount of 0.1 to 15 weight percent of a crosslinker, wherein weight percent is based on total amount of reactants, provided the amount of crosslinker is within +/?5 weight percent of the amount of chain transfer agent, and wherein the crosslinker comprises at least two carbon-carbon double bonds having different reactivity. A method for preparing the composition is also disclosed.

Abstract: Provided is polymer particle comprising (a) 40% to 85% by weight, based on the dry weight of the polymer particle, a core polymer having Tg of ?35° C. or lower; (b) 15% to 50% by weight, based on the dry weight of the polymer particle, an intermediate polymer having Tg that is 20° C. or lower and that is higher than the Tg of the core polymer by 10° C. or more; (c) 5% to 30% by weight, based on the dry weight of the polymer particle, a shell polymer having Tg of 50° C. or higher; wherein the shell polymer comprises polymerized units of all vinyl aromatic monomers in an amount of 1% or less, by weight based on the weight of the shell polymer.

Abstract: A polyvinyl chloride (PVC) composition and a method for preparing a polymer composite article. The composition comprises (A) a mineral filler in an amount of from 7.5 to 75 wt. %. The composition also comprises (B) a polyvinyl chloride polymer in an amount of from 20 to 92 wt. %. Further, the composition comprises (C) a polydiorganosiloxane in an amount of from greater than 0 to 5 wt. %; the (C) polydiorganosiloxane being a compound of unit formula: (R2R?SiO1/2)a(R3SiO1/2)b(R2SiO2/2)c(RR?SiO2/2)d, where each R is an independently selected monovalent hydrocarbon group of 1 to 18 carbon atoms that is free of aliphatic unsaturation, each R? is an independently selected alkenyl group of 2 to 18 carbon atoms, subscript a is 0 to 2, subscript b is 0 to 2, a quantity (a+b)=2, subscript c?0, subscript d?0, a quantity (a+d)?1, and a quantity (a+b+c+d) is sufficient to give the polydiorganosiloxane a viscosity of 2,000 mPa·s to 60,000 mPa·s at 25° C. measured at 0.

Abstract: A polyvinyl chloride (PVC) composition and a method for preparing a polymer composite article. The composition comprises (A) a mineral filler in an amount of from 47.5 to 75 wt. %. The composition also comprises (B) a PVC polymer in an amount of from 25 to less than 50 wt. %, wherein the amount of the (A) mineral filler is greater than the amount of the (B) PVC polymer. Further, the composition comprises (C) an organopolysiloxane in an amount of from greater than 0 to 5 wt. %; the (C) organopolysiloxane having at least one silicon-bonded hydroxyl group and a viscosity of from 1,000 to 60,000 mPa·s at 25° C. The ranges for components (A)-(C) are based on the total weight of components (A), (B) and (C) in the composition.

Abstract: A polyvinyl chloride (PVC) composition and a method for preparing a polymer composite article. The composition comprises (A) a mineral filler in an amount of from 7.5 to 75 wt. %. The composition also comprises (B) a polyvinyl chloride polymer in an amount of from 20 to 92 wt. %. Further, the composition comprises (C) a polydiorganosiloxane in an amount of from greater than 0 to 5 wt. %; the (C) polydiorganosiloxane being a compound of formula (I): where each R is an independently selected monovalent hydrocarbon group of 1 to 18 carbon atoms that is free of aliphatic unsaturation, and subscript x has a value sufficient to give the (C) polydiorganosiloxane a viscosity of greater than 350 mPa·s to 100,000 mPa·s measured at 25° C. at 0.1 RPM to 50 RPM on a Brookfield DV-III cone & plate viscometer with #CP-52 spindle. The ranges for components (A)-(C) are based on the total weight of components (A), (B) and (C) in the composition.

Abstract: Disclosed is a branched polymer which is a reaction product of reactants comprising one or more monoethylenically unsaturated ester monomers, a chain transfer agent in an amount of 0.1 to 15 weight percent, and a crosslinker in an amount of 0.1 to 15 weight percent of a crosslinker, wherein weight percent is based on total amount of reactants, provided the amount of crosslinker is within +/?5 weight percent of the amount of chain transfer agent, and wherein the crosslinker comprises at least two carbon-carbon double bonds having different reactivity. A thermosetting composition prepared by crosslinking the branched polymer and an acrylic polymer is also disclosed.

Abstract: Disclosed is a composition comprising a multi-stage flexible acrylic resin and a branched polymer which is a reaction product of reactants comprising one or more monoethylenically unsaturated ester monomers, a chain transfer agent in an amount of 0.1 to 10 weight percent, and a crosslinker in an amount of 0.1 to 10 weight percent of a crosslinker, wherein weight percent is based on total amount of reactants, provided the amount of crosslinker in moles is less than the amount of chain transfer agent in moles, and films thereof.

Abstract: A multi-stage flexible acrylic resin comprises a branched polymer which is a reaction product of reactants comprising one or more monoethylenically unsaturated ester monomers, a chain transfer agent in an amount of 0.1 to 10 wt. %, and a crosslinker in an amount of 0.1 to 10 wt. %, wherein wt. % is based on total amount of reactants, provided the amount of crosslinker in moles is less than the amount of chain transfer agent in moles. A process for producing the multi-stage flexible acrylic resin is also disclosed.

Abstract: Provided is a process for forming a polymer composition, wherein the process comprises (a) providing a slurry in an aqueous medium, wherein the slurry comprises (i) pellets comprising a polyolefin block copolymer, wherein the block copolymer comprises a crystalline block and an amorphous block, (ii) one or more vinyl monomers, (iii) one or more initiator, wherein the slurry comprises, by weight based on the total weight of the slurry, 0 to 0.01% of all surfactants, and 0 to 0.01% of all water-soluble polymers; and (b) polymerizing the one or more vinyl monomers.