Dow Global Technolgoies LLC

The Dow Chemical Company

Rohm and Haas Company

Rohm & Haas Electronic Materials LLC

Dow Agrosciences LLC

Duane R Romer

R Garth Pews

Ravi B Shankar

Peter M Margl

Daryoosh Beigzadeh

Richard J Keaton

Rajat Duggal

Nathan Wilmot

Thomas P Clark

John Wesley Hull, Jr

Congcong Lu

James C Stevens

Francis J Timmers

Richard E Campbell, Jr

Yiyong He

Xinrui Yu

Hendrik E Tuinstra

David D Devore

Zenon Lysenko

Weishi W Wu

Paul C Vosejpka

Matthias Stefan Ober

Rashmi Chamsarkar

Michael K Gallagher

Dean M Welsh

Matthew Martin Yonkey

Elissei Iagodkine

William Jack Kruper, Jr

Timothy Todd Wenzel

Robert K Barr

Bruce Bell

John Joseph Rabasco

Antony Keith Van Dyk

Jasson T Patton

William Gerald Stobby

Gordon R Roof

Michael E Mills

Lixin Sun

James P Godschalx

Kim Sang Ho

Endre Szuromi

Chau Van Vo

Pulikkottil Jacob Thomas

Matthew D Christianson

Corey O'Connor

Scott D Boelter

John Gordon-Duffy

Timothy De Vries

Curt N Theriault

Inken Beulich

Kevin Y Wang

John B Etienne

Xiang Qian Liu

Raymond J Thibault

David R Arrowsmith

Gregory D Prokopowicz

Paul H Moran

Phillip Dene Hustad

David R Wilson

Robert K Rosen

David E Podhorez

Charles A Wilson

Robert D J Froese

Paul Foley

Mou Paul

Robert A Devries

Sylvie Y Desjardins

Tina L Arrowood

Paul H Townsend, Iii

Ying Hung So

Robert Froese

Gary R Buske

Michelle Bowerman Riener

Steven J Martin

Mark W Zettler

Wenqin Wang

Daniel Alain Saucy

Mary L Ash

Norman R Pearson

Jessica Levin

Joey W Storer

Dennis W Smith, Jr

Mark Langille

John D Duffy

Ravi B Shanker

Inho Lee

Bruce M Bell

Debra L Nowlin

Rashmi Chansarkar

Peter Michael Margl

David Arrowsmith

William Kruyper

John Duffy

Chloé Lu

Jr John W Hull

Carl Nicholas Iverson

W Jr John Hull

Jr Richard E Campbell

David Richard Arrowsmith

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

A process to prepare polycarbamate comprising adding urea to a polyol in the presence of at least one catalyst selected from the group consisting of compounds having the following formula MZ; wherein M is a divalent metal, and Z is an anionic functionality or a functionality capable of forming a covalent bond with M and wherein n times a valence number of Z equals X and m times two equals Y wherein the absolute value of X equals the absolute value of Y is provided. Also provided are a polycarbamate produced according to the process and a coating composition comprising the polycarbamate.

Process to produce polycarbamate, polycarbamate produced thereby and a coating composition comprising the polycarbamate

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

The present invention provides carbamylation compositions of one or more urea compounds, one or more polyols and a monovalent transition metal or alkali metal catalyst (i), such as lithium ethylhexanoate, which compositions are substantially isocyanate free, enjoy reduced toxicity in comparison to tin catalysts, and which are useful in making polycarbamates which themselves provide compositions for making crosslinked polyurethanes.

Carbamylation compositions of monovalent metal containing catalysts, polyols and urea compounds and carbamylation processes using the same

A polycarbamate comprising having less than 5 wt % total of biuret, cyanuric acid, and polyallophanate; and has a Gardner level of equal or greater than 3 is provided. A coating comprising the polycarbamate is also provided.

A process to prepare polycarbamate comprising adding urea to a polyol in the presence of at least one catalyst selected from the group consisting of compounds having the following formula MZ; wherein M is a tetravalent metal, and Z is an anionic functionality or a functionality capable of forming a covalent bond with M and wherein n times a valence number of Z equals X and m times four equals Y wherein the absolute value of X equals the absolute value of Y is provided. Also provided are a polycarbamate produced according to the process and a coating composition comprising the polycarbamate.

Arylcyclobutene polymers having improved physical properties, such as tensile strength, are provided. Compositions and methods for coating such arylcyclobutene polymers are also provided.

Arylcyclobutenes

Arylclobutene-containing multi-functional monomers are useful in the preparation of arylcyclobutene-based polymer coatings. Compositions comprising one or more arylclobutene-containing multi-functional monomers and one or more oligomers comprising as polymerized units one or more arylcyclobutene monomer provide arylcyclobutene-based polymer coatings having reduced stress. Such compositions are useful in the manufacture of electronic devices.

A process to prepare polycarbamate comprising adding urea to a polyol in the presence of at least one catalyst selected from the group consisting of compounds having the following formula MZ; wherein M is a trivalent metal, and Z is an anionic functionality or a functionality capable of forming a covalent bond with M and wherein n times a valence number of Z equals X and m times three equals Y wherein the absolute value of X equals the absolute value of Y is provided. Also provided are a polycarbamate produced according to the process and a coating composition comprising the polycarbamate.

Polyisocyanate-based polymers are formed by curing a reaction mixture containing at least one polyisocyanate and at least one isocyanate-reactive compound having at least two isocyanate-reactive groups in the presence of a tertiary amine catalyst having a molecular weight of up to 300 and from 0.01 to 1.0 mole per mole of the tertiary amine compound(s) of a non-protic, non-catalytic, metal-containing Lewis acid.

Polyurethanes made using mixtures of tertiary amine compounds and lewis acids as catalysts

Polyisocyanate-based polymers are formed by curing a reaction mixture containing at least one polyisocyanate and at least one isocyanate-reactive compound having at least two isocyanate-reactive groups in the presence of a copper catalyst that contains at least one copper atom associated with a polydentate ligand that contains at least one nitrogen-containing complexing site.

Polyurethanes made with copper catalysts

Polyisocyanate-based polymers are formed by curing a reaction mixture containing at least one polyisocyanate and at least one isocyanate-reactive compound having at least two isocyanate-reactive groups in the presence of a zinc catalyst that contains at least one zinc atom associated with a polydentate ligand that contains at least one nitrogen-containing complexing site.

Polyurethanes made using zinc catalysts

Provided is a non-cyclopentadienyl-based chromium-ligand complex, preferably a chromium-ligand complex of formula (J): LCr(R)(D)(J), wherein L is a non-Cp monoanionic ligand; Cr (chromium) is in a formal oxidation state of +3 or +2; when Cr formally is Cr, either m is 1 and Ris hydrocarbylene (a hydrocarbylene chromium-ligand complex of formula (J)) or m is 2 and each Rindependently is hydrocarbyl (a dihydrocarbyl chromium-ligand complex of formula (J)), wherein each hydrocarbyl or hydrocarbylene of Rindependently is unsubstituted or substituted by from 1 to 5 R; each Rindependently is a neutral aprotic heteroalkyl, neutral aprotic heterocycloalkyl, neutral aprotic heteroaryl, or neutral aprotic aryl; when Cr formally is Cr, m is 1 and Ris hydrocarbyl (a hydrocarbyl chromium-ligand complex of formula (J)); k is an integer of 0 or 1; D is absent when k is 0 or D is a neutral ligand when k is 1; wherein the chromium-ligand complex of formula (J) is overall neutral and lacks a cyclopentadienyl-based (Cp-based) moiety. Also provided is a chromium catalyst comprising or prepared from the complex. Also provided is a process of making the catalyst and a process employing the chromium catalyst for polymerizing the olefin monomer, especially a straight chain 1-alkene, to prepare the polyolefin, especially a partially chain-straightened poly(1-alkene) or olefin block copolymer. Further provided is the partially chain-straightened poly(1-alkene) or olefin block copolymer prepared thereby. Also provided is a high throughput workflow.

Non-cyclopentadienyl-based chromium catalysts for olefin polymerization

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Midland, MI, United States of America

Duane R Romer