Process to produce polycarbamate, polycarbamate produced thereby 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 MmZn; 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.
Dow Global Technologies LLC
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Yiyong Xinrui John W. Thomas Daryoosh Peter Duane Congcong
He Yu Hull, Jr. Clark Beigzadeh Margl Romer Lu