Rohm and Haas Company

Air Products Polymers, L.p.

Dow Global Technolgoies LLC

Air Products and Chemicals, Inc.

Wacker Chemicalcorporation

Other

Celanese International Corporation

Dow Silicones Corporation

John Joseph Rabasco

Antony Keith Van Dyk

Barrett Richard Bobsein

Richard Henry Bott

Daniel Alain Saucy

Jonathan DeRocher

Kimy Yeung

Jessica Levin

John Richard Boylan

Christian Leonard Daniels

Dennis Sagl

Wenqin Wang

Ronald Bernal Jones

James Charles Bohling

Duane R Romer

Edward D Daugs

Arnold Stan Brownell

Andrew Hejl

William E Lenney

Kevin J Henderson

Charles Hegedus

Carrington Duane Smith

Eric Howard Klingenberg

Tianlan Zhang

Frank Ralph Pepe

Jordan Stracke

Ericka Lynn Killian

Timothy Christopher Golden

Kevin Rodney Lassila

Robert K Pinschmidt, Jr

Kristen Elaine Minnich

David J Brennan

Alvin Michael Maurice

Yiyong He

Jodi M Mecca

Sudhakar Balijepalli

Thomas Stephen Farris

Fred William Taylor

Ronald Joseph Pangrazi

George Davidowich

Richard Van Court Carr

Zhifeng Bai

Gregoire Cardoen

Barrett R Bobsein

Jihui Guo

Douglas R Hawkins

Mark Langille

Daniel A Saucy

Menas S Vratsanos

Joey W Storer

Melissa Merlau Johnson

Steven G Arturo

Michael P Tate

Wayne Robert Furlan

James P Maher

Tirtha Chatterjee

David William Horwat

Gregory Paul Dado

John Joseph Halat

Randolph John Lorenz

Deborah D Graves

Matthew J Carchidi

Adrian R Ward

Jaclynn Unangst

Carol Zeszotarski

Geoffrey James Dearth

Michael Brasseur

Bertil Vincent Mukkulainen

Tara Conley

Daniel Warren Tyndall

William Thomas Evitt

Stephen D Thompson

Ling Li

Jonathan Derocher

Yujie Lu

Marisa Hostetter

A liquid applied, silicone-based air and water barrier coating composition and its use as a silicone-based air and water barrier is provided. The barrier is generally vapour permeable and suitable for the construction industry. The liquid coating composition generally has a shelf-life of at least 9 months. The liquid coating composition comprises: (i) a crosslinked polysiloxane dispersion comprising (c) a surfactant and (d) water; (ii) a combination of rheology modifiers and at least one of the following ingredients: (iii) one or more fillers and/or (iv) one or more stabilizers.

Silicone-based barrier compositions

The present invention relates to a composition comprising a mixture of a first and a second hydrophobically modified alkylene oxide polymer, wherein the first hydrophobically modified alkylene oxide polymer is endcapped with at least one first hydrophobic group functionalized with a secondary amine or a salt thereof, or a tertiary amine or a salt thereof; and wherein the second hydrophobically modified alkylene oxide polymer is endcapped with at least one second hydrophobic group, structure I: where R, R, m, and n are as defined herein. The present invention also relates to a method for preparing the composition. The composition of the present invention provides an associative thickener with an excellent balance of as-is viscosity and temperature stability over a wide temperature range.

Hydrophobically modified alkylene oxide polymer mixture

The present invention relates to a composition comprising an aqueous solution of a) a hydrophobically modified alkylene oxide polymer comprising a hydrophobic portion functionalized with a protonated secondary or tertiary amine or a quaternary ammonium salt and b) an acid and a salt thereof, which acid is phosphoric acid, nitrilotris(methylene)triphosphonic acid, hydrochloric acid, or sulfuric acid. The composition of the present invention is useful for the preparation of an associative thickener that can be stored for long periods, in the absence of ancillary biocides, without spoilage from biodeteriogenic attack.

Biocide free associative thickener

The present invention relates to a composition comprising a hydrophobically modified alkylene oxide polymer having a hydrophobic portion characterized by the following group: where Rand x are as defined herein; and a) an aqueous dispersion of thermoplastic polymer particles imbibed with a thermosettable compound functionalized with structural units of an anti-agglomerating monomer; and/or b) a curing agent. The composition of the present invention is useful for improving Brookfield viscosity and sag resistance in coatings arising from, for example, 2-component acrylic-epoxy hybrid systems cured with a curing agent.

Formulation of a rheology modifier and a thermoplastic-epoxy hybrid latex

The present invention relates to a compound comprising a hydrophobically modified poly(oxyalkylene-urethane) having a hydrophobic fragment represented by Structure I:  where Ar, Ar; R, m, and n are defined herein. The compound of the present invention provides viscosity stability upon tinting for paints containing a hydrophobically modified poly(oxyalkylene-urethane) rheology modifier, more particularly a HEUR rheology modifier.

Alkylene oxide polymer endcapped with an aryl ether alkoxylate block copolymer

A hydrophilic polyurethane comprising polymerized units of: (a) a water-soluble polyol having hydroxyl functionality from two to four and a weight-average molecular weight from 800 to 16,000; and (b) an aliphatic polyisocyanate having isocyanate functionality from two to six; wherein polymerized ethylene oxide units comprise at least 85 wt % of said hydrophilic polyurethane; and wherein a product of weight fraction of polymerized ethylene oxide units and polyethylene oxide mean molecular weight is from 4,200 to 16,000.

Polyether-urethane-urea additives for block resistance and open time

The present invention relates to a composition comprising an aqueous dispersion of multistage polymer particles with a first phase comprising structural units of a carboxylic acid monomer and a nonionic ethylenically unsaturated monomer; and a second phase with a calculated Tof less than 50&#xb0; C. and comprising a mixture of polymers which together comprise structural units of styrene or methyl methacrylate or both; structural units of one or of n-butyl acrylate, 2-ethylhexyl acrylate, ethyl acrylate, or n-butyl methacrylate; and structural units of a carboxylic acid monomer. The composition is useful as an open time additive in coatings formulations.

Aqueous dispersion of mutlistage polymer particles

The present invention relates to a process for preparing an aqueous dispersion of neutralized multistage polymer particles comprising the steps of contacting under emulsion polymerization conditions a) an aqueous dispersion of first polymer particles with b) first monomers to form an aqueous dispersion of 2-stage polymer particles; then contacting under emulsion polymerization conditions the aqueous dispersion of 2-stage polymer particles with second monomers comprising to form an unneutralized aqueous dispersion of 3-stage polymer particles; then neutralizing the unneutralized aqueous dispersion of 3-stage polymer particles with a base to form an aqueous dispersion of neutralized 3-stage polymer particles, wherein the first and second monomers form a shell having a calculated Tof less than 50&#xb0; C. The process of the present invention is useful in preparing a composition that is useful as an open time additive in coatings formulations.

Process for preparing an aqueous dispersion of multistage polymer particles

The present invention relates to a compound having the following structure I: where Ar, Ar; R, m, and n are defined herein. The compound of the present invention is useful as an open time additive in waterborne coatings compositions, particularly waterborne paint compositions.

Glycidyl ether alkoxylate block copolymers

The present invention relates to a composition comprising a) an aqueous dispersion of polymer particles and b) a hydrophobically modified poly(oxyalkylene-urethane) rheology modifier having a 1) backbone; and 2) a hydrophobic portion represented by Fragment I: where R and Rare defined herein. The composition is useful as an aqueous coating formulation that exhibits a highly shear thinning rheology profile suitable for spray applications to provide high sag resistance without adverse impact on gloss or corrosion resistance.

Coating formulation with a poly(oxyalkylene-urethane) associative thickener modified with a hydrophobic oligomer

The present invention relates to a compound having the following structure I: where Ar, R, R, E, m, n, x, y, p, and s are defined herein. The compound of the present invention is useful as an open time additive in waterborne coatings compositions, particularly waterborne paint compositions.

The present invention relates to a composition comprising an aqueous dispersion of acrylic based polymer particles; less than 15 PVC of a pigment; and a hydrophobically modified poly(oxyalkylene-urethane) rheology modifier having a hydrophobic portion represented by Structure I:  Where R, R, R, m an n are defined herein. The composition provides viscosity stability for paint formulations containing a HEUR rheology modifier.

Tint base paint formulation with a poly(oxyalkylene-urethane) associative thickener modified with a hydrophobic oligomer

A composition comprising: (a) a hydrophilic polyurethane comprising polymerized units of: (i) a water-soluble polyol having hydroxyl functionality from two to four and a weight-average molecular weight from 800 to 16,000; and (ii) an aliphatic polyisocyanate having isocyanate functionality from two to six; wherein polymerized ethylene oxide units comprise at least 85 wt % of said hydrophilic polyurethane; and at least one of: (b) a saccharide having at least 5 hydroxyl groups and Mfrom 300 to 4,000; (c) a dispersant polymer having Mfrom 700 to 50,000 and from 10 to 55 wt % polymerized residues of C-Ccarboxylic acid monomer and (d) a surfactant having HLB&#x3e;11 and 12 to 100 polymerized units of ethylene oxide.

Compositions comprising polyether-urethane-urea additives for block resistance and open time

The present invention relates to a deep base paint composition comprising a binder (an aqueous dispersion of polymer particles), an associative thickener with a hydrophobic portion having a calculated log P in the range of from 2.7 to 4.8. The composition of the present invention provides a mechanism for decreasing the viscosity sensitivity of a base paint to colorant addition.

Deep base paint formulation

The present invention relates to a composition comprising an aqueous solution or dispersion of an associative thickener having a poly(oxyalkylene-urethane) backbone and at least one terminal hydrophobe comprising from 3 to 20 structural units of an acrylate, a methacrylate, a styrene, or a combination thereof. Brookfield, ICI, and KU viscosity profiles can be tuned with greater ease with the composition of the present invention.

Alkylene oxide urethane associative thickener modified with a hydrophobic oligomer

Growing community of inventors

Allentown, PA, United States of America

John Joseph Rabasco