Polymers having active methylene group

Details Polymers having active methylene group Polymers having active methylene group

C - Chemistry, Metallurgy

08

F

402/38

C08F 16/36 (2006.01) C08F 12/22 (2006.01) C08F 20/02 (2006.01) C08F 20/26 (2006.01) C08F 28/02 (2006.01) G03C 1/04 (2006.01)

Patent

CA 1046189

POLYMERS HAVING ACTIVE METHYLENE GROUP Abstract of the Disclosure Disclosed herein is a polymer comprising A. from about 1 to 100% by weight of a polymerized monomer containing at least one active methylene group and having the formula Image wherein n is 0 or 1, R is hydrogen or methyl, R' is substituted or unsubstituted arylenethylene having the structure Image , wherein Ar is arylene, R2 is hydrogen, alkyl, aryl, or cycloalkyl, R3 is alkoxy or amino when n is equal to 0, and R3 is alkyl, alkoxy, amino, cycloalkyl or aryl when n is equal to 1; and B. from 0 to about 99% by weight of at least one additional polymerized ethylenically unsaturated monomer. The polymers are useful as binding agents in photographic elements.

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