Polyurethane ureas having sulfur-containing aromatic urea...

Details Polyurethane ureas having sulfur-containing aromatic urea... Polyurethane ureas having sulfur-containing aromatic urea...

C - Chemistry, Metallurgy

08

G

402/129, 402/137

C08G 18/38 (2006.01) C08G 18/10 (2006.01) C08G 18/65 (2006.01)

Patent

CA 1206294

NEW POLYURETHANE UREAS HAVING SULFUR-CONTAINING AROMATIC UREA GROUPS AND A PROCESS FOR THEIR PRODUCTION ABSTRACT OF THE DISCLOSURE The invention is directed to new polyurethane ureas containing urea groups of the formula Image wherein X is sulfur, a sulfoxo or a sulfone group and R1, R2, and R3 represent various defined substituents. The invention is also directed to a process for the production or the inventive polyurethane ureas from corresponding diamines of the formula Image wherein X, R1, R2, and R3 are as defined in the polyurethane ureas.

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