Patent ID: 9574074
Date: 2017-02-21
CPC Classifications: B29C,B29K,C08F,C08L

Claim:
1. A copolymer composition comprising: a carboxylic acid modified-nitrile copolymer latex (A) having a glass transition temperature of a −60 to −10° C. and a carboxylic acid modified-styrene copolymer latex (B) having a glass transition temperature of 30 to 110° C., wherein the carboxylic acid modified-nitrile copolymer latex (A) has an average particle diameter of 100 to 160 nm and the carboxylic acid modified-styrene copolymer latex (B) has an average particle diameter of 160 to 260 nm, and wherein the carboxylic acid modified-nitrile copolymer latex (A) and the carboxylic acid modified-styrene copolymer latex (B) are present in a weight ratio (A:B) of 98:2 to 76:24.