Dow Global Technolgoies LLC

Blue Cube IP LLC

Daryoosh Beigzadeh

Duane R Romer

Peter M Margl

Congcong Lu

Yiyong He

Thomas P Clark

John Wesley Hull, Jr

Xinrui Yu

Richard E Campbell, Jr

James C Stevens

David D Devore

Francis J Timmers

Paul C Vosejpka

Hendrik E Tuinstra

John Robert Briggs

John N Argyropoulos

Jasson T Patton

Gary E Spilman

Paul Foley

Jeff R Anderson

Henk Hagen

Sonet Vermaire-Louw

Robert E Hefner, Jr

Robert J Jorgensen

Sean W Ewart

Paul Joseph Popa

David R Neithamer

Laura J Dietsche

Robert Froese

David A Carr

David J Couling

Victor A Atiemo-Obeng

Robert W Coyle

Robert James Jorgensen

Chloé Lu

Jr John W Hull

W Jr John Hull

Jr Richard E Campbell

Robert E Hefner

Robert D Froese

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 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 process for preparing an aliphatic or cycloaliphatic epoxy resin composition including the steps of: (I) reacting a mixture of the following components: (a) an aliphatic or cycloaliphatic hydroxyl-containing material, (b) an epihalohydrin, (c) a stoichiometric excess of a base compound or basic acting substance, (d) a catalyst, and (e) optionally, a solvent; wherein the reacting step (I) is carried out under reaction conditions sufficient to form a crude aliphatic or cycloaliphatic epoxy resin composition product in the resultant reaction mixture; (II) neutralizing the resultant reaction mixture of step (I) containing the crude aliphatic or cycloaliphatic epoxy resin composition product with a phosphate neutralizing agent sufficient to partially neutralize the base or basic acting substance and to form a neutralized fluid medium containing aliphatic or cycloaliphatic epoxy resin composition product; (III) removing at least a portion of unreacted epihalohydrin from the reaction mixture of step (II); and (IV) subjecting the reaction mixture of step (III) above to a separation process to recover the aliphatic or cycloaliphatic epoxy resin composition product from the neutralized fluid medium; wherein the aliphatic or cycloaliphatic epoxy resin composition product yield is greater than about 70 percent.

Epoxy resin compositions

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 method for producing polycarbamate comprising: contacting at least one carbamylating agent with a polyol in the presence of a carbamylation catalyst to form a reaction mixture having an acid value from 3 to 50 mg KOH/g dry polyol is provided. Further provided are a polycarbamate produced by the method and a coating comprising the polycarbamate.

Method for producing polycarbamate, a polycarbamate produced thereby and a coating containing the polycarbamate

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.

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.

The instant invention provides a crosslinkable coating composition, and method of producing the same. The crosslinkable coating composition according to the present invention comprises: (a) one or more polycarbamates derived from one or more polyesters comprising the condensation reaction product of one or more polyols with one or more polyacids, wherein said one or more polyols comprise at least 25 percent by weight of one or more units having 4 or more hydroxyl groups; (b) one or more crosslinking agents; (c) one or more acid catalysts; and (d) optionally one or more organic solvents.

Crosslinkable coating composition and method of producing the same

The present invention provides methods for making a polycarbamate by feeding a) a urea in fluid form into a reaction medium containing b) an alkyd polyol, such as a short or med oil alkyd polyol to form a reaction mixture and then carbamylating the alkyd polyol by heating the reaction mixture while feeding water in to the reaction mixture, preferably, in the presence of one or more c) carbamylation catalysts. The polycarbamate of the present invention when combined with a polyaldehyde or an acetal or hemiacetal thereof as a second component makes a multicomponent composition that is substantially isocyanate-free, and cures at a temperature of from 0&#xb0; C. to less than 80&#xb0; C. to form a crosslinked polyurethane.

Water feed methods to control MW distribution and byproducts of the carbamylation of urea

A process for the telomerization of butadiene comprises reacting 1,3-butadiene and an alkanol, in the presence of a catalyst promoter and an alkoxydimerization catalyst comprising a Group VIII transition metal and a triarylphosphine ligand, which includes one phenyl that is mono-ortho-alkoxy substituted and at least one other phenyl including at least one substituent that withdraws electrons from the phosphorus atom. The product includes an alkoxy-substituted octadiene, which may then be used to produce 1-octene. The catalyst shows improved stability, activity and selectivity toward the alkoxy-substituted octadiene.

Process for telomerization of butadiene using a mono-orthoalkoxy substituted catalyst

A process for polymerizing ethylene to produce an ethylene-based polymer including contacting ethylene with a Ziegler-Natta procatalyst, an alkylaluminum cocatalyst and a self limiting agent selected from the group of aliphatic, cycloaliphatic, substituted cycloaliphatic or aromatic esters, anhydrides and amides such that the self limiting agent reduces polymerization rates to no greater than 40% of the polymerization rate in the absence of the self limiting agent at temperatures equal to or greater than 120&#xb0; C. is provided.

Self limiting catalyst composition for ethylene polymerization

In an improved process for telomerizing butadiene, contact butadiene and an organic hydroxy compound represented by formula ROH (I), wherein R is a substituted or unsubstituted C-C-hydrocarbyl and the organic hydroxy compound is not glycerol, in a reaction fluid in the presence of a palladium catalyst and a phosphine ligand represented by formula PAr(II), wherein each Ar is independently a substituted or unsubstituted aryl having a hydrogen atom on at least one ortho position, at least two Ar groups are ortho-hydrocarbyloxyl substituted aryls. The phosphine ligand has a total of two (2), three (3), four (4), five (5), or six (6) substituted or unsubstituted C-C-hydrocarbyloxyls, and optionally, any two adjacent substituents on an Ar group can be bonded to form a 5- to 7-membered ring.

Process for telomerization of butadiene

This invention is a stirrer, impeller or stirrer paddle used for mixing small volumes of liquid in a vessel having a small capacity for liquid, said impeller being characterized by an impeller blade connected to the bottom portion of a support, where the blade has an opening extending through the blade from the front to the back surface of the blade said opening extending across the rotational axis of the impeller. The invention is also an apparatus comprising that blade, a method of mixing components using the apparatus and an array of two or more of the apparatuses.

Stirrer and apparatus for small volume mixing

A composition comprising a polymerization modifier for the copolymerization of at least one olefin monomer and 1-octene and a polymerization process using the polymerization modifier.

Growing community of inventors

Midland, MI, United States of America

Daryoosh Beigzadeh