Carboxylated amide polymers and coating compositions...

Details Carboxylated amide polymers and coating compositions... Carboxylated amide polymers and coating compositions...

C - Chemistry, Metallurgy

08

G

402/226, 400/504

C08G 69/26 (2006.01) C08G 59/58 (2006.01) C08G 69/00 (2006.01) C08L 77/06 (2006.01)

Patent

CA 1135897

Abstract of the Disclosure Carboxylated amide polymers and coating compositions containing same are especially useful for the coating of food and beverage containers. The carboxylated amide polymers are the reaction product of (1) a compound of formula: Image wherein A is the organic residue resulting from a ring opening reaction of a 1,2-epoxy group on a polyepoxide with ammonia or amine, R1 is hydrogen or a C1-4 alkyl group, R2 is a C2-12 alkylene group, x is 0 or 1, y is from 0 to 4, R3 is hydrogen or a C1-6 alkyl group, R4 is hydrogen or a C1-6 alkyl group, provided at least one R1, R3 or R4 is hydrogen, and n is at least 1.0 with (2) a cyclic anhydride of n dibasic carboxylic acid. The carboxylated amide polymers can be made water reducible by neutralizing the polymer with an organic or inorganic base and used in aqueous coating

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