Patent ID: 7396880
Filing Date: 2008-07-08
Classification: B01D,C08F,C08L,H01M,Y02E,Y02P,Y10T

Abstract:
1. A polymer blend having no hydrolyzable groups comprising: a) a polyelectrolyte copolymer having the general formula: wherein: W=a bond, O, NH, S, SO, or SO Y=alkyl, aromatic, or alkylene-ether linkage of C Z=a bond, alkyl, aromatic, or alkylene-ether linkage of C n=greater than 50% m=less than 50% A=a sulfonate, phosphonate or carboxylate B=a group capable of cross-linking and b) a matrix polymer, wherein a) and b) are different, and wherein a) has domain sizes of less than 500 nm.