Rohm and Haas Company

Dow Silicones Corporation

Dow Global Technolgoies LLC

Rohm and Haas Chemicals LLC

Hailan Guo

Morris C Wills

Eric Gustave Lundquist

Nanguo Liu

Igor Chorvath

Pu Luo

Carlos Alfonso Cruz

Jiun-Chen Wu

Yang Cheng

Veera Nelliappan

Ching-Jen Chang

Melinda L Einsla

Edward Greer

Sharon M Vuong

Manoj Nerkar

James Keenihan

Curtis Alan Schwartz

Michael Paul Hallden-Abberton

Zhenwen Fu

Lauren Marie Tonge

David Elmer Vietti

Marc-Andre Courtemanche

Jon Vierling Degroot, Jr

Cristina Serrat

Charles Elwood Jones

Craig Gross

Keith Bruce

Parvinder Singh Walia

Sean Gaal

Joseph Robert Adamo

Scott Miller

Himal Ray

Robert L Post

Jian-Yang Cho

Jeffrey Rastello

Tom Parsons

Andrew Schlader

Luu T Le

Shawn Mealey

Steven James Broadwater

Steven Richard Rapacki

Wen-Shiue Young

Sebastien G Chevalier

Wen H Chia

Stephane Pierre Jean Ugazio

Matthieu Olivier Sonnati

Veera D Nelliappan

Edward C Greer

Stephane Pierre Ugazio

Jon V Degroot Jr

Steven J Broad Water

Steven J Broadwater

Robert Lee Post

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.

Reactive acrylic polyolefin blends

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: (RR'SiO)(RSiO)(RSiO)(RR′SiO), 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 0.1 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.

PVC composition, polymer composite article formed therewith, and method of preparing same

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.

Provided is a collection of polymer particles comprising

Bimodal silicone-acrylic polymer particles

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.

Composition, polymer composite article formed therewith, and method of preparing same

A method of making a collection of polymer particles comprising

Polymerizing silicone and acrylic monomers

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:

Modified styrene-acrylonitrile

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.

Highly processable multi-stage flexible acrylic resins and process for making same

Provided is a polymer particle comprising Also provided is a composition comprising polyvinyl chloride and a plurality of the polyer particles.

Silicone-acrylic polymer particles

Three-stage polymer particle

Provided is a process for forming a polymer composition, wherein the process comprises

Method of making a graft polymer

Provided is a polyolefin block copolymer having covalently attached residues of one or more vinyl monomer selected from the group consisting of one or more (meth)acrylic monomers, one or more vinyl aromatic monomers, and mixtures thereof.

Graft copolymer composition

A composition comprising: a blended product of: a matrix polymer; and from 0.05 to 2.5 wt % diffuser polymer particles, wherein the diffuser polymer particles are characterized by an average diameter from 2 to 20 micrometers, a particle size distribution such that at least 90 wt % of the polymer particles fall within &#xb1;30% of the volume average particle size, a crosslinking level greater than 4%; and wherein the diffuser polymer particles comprise units derived from at least one alkyl(meth)acrylate monomer, from 5 wt % to 25 wt % units derived from a crosslinking monomer selected from the group consisting of aliphatic crosslinking monomers, aromatic crosslinking monomers and combinations thereof, optionally, units derived from one or more comonomers selected from the group consisting of aryl(meth)acrylate monomers and monovinyl arenes; and wherein from 0.1 to 20 wt % one or more performance additives dispersed within the diffuser polymer particles is provided.

Light diffusing polymer composition, method of producing the same, and articles made therefrom

Provided are multi-stage polymer compositions comprising (a) cross-linked core comprising polymerized units derived from (i) alkyl(meth)acrylate monomers, and (ii) one or more cross-linking monomers, graft-linking monomers, and combinations thereof, (b) a first intermediate layer comprising polymerized units derived from (i) one or more alkyl(meth)acrylate monomers, and (ii) cross-linking monomers, graft-linking monomers, and combinations thereof, (c) a second intermediate layer comprising polymerized units derived from (i) one or more alkyl(meth)acrylate monomers, styrenic monomers, and combinations thereof, and (ii) one or more chain transfer agents, and (d) a shell comprising polymerized units derived from (i) alkyl(meth)acrylate monomers, styrenic monomers, and combinations thereof, (ii) one or more monomers selected from the group consisting of acid functionalized monomers, hydroxyl-functionalized monomers, and combinations thereof, and (iii) optionally, of one or more chain transfer agents.

Multi-stage polymer composition and films made therefrom

Provided is a polymer composition comprising an acrylic resin and a compound (I) wherein R, R, R, and Ris each independently hydrogen or an organic group having 1 or more carbon atoms, and n is from 1 to 20.

Acrylic composition

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Warrington, PA, United States of America

Hailan Guo