Patent ID: 8211588
Filing Date: 2012-07-03
Classification: C08G,H01M,Y02E

Abstract:
1. A sulfonated poly(arylene sulfone) comprising a first repeating unit represented by Formula 1A below, a second repeating unit represented by Formula 1B below, a third repeating unit represented by Formula 1C below, and a fourth repeating unit represented by Formula 1D below: where R p is an integer in the range of 0 to 4, R R M is Na, K, or H, and k is in the range of about 0.1 to about 0.9 mole, m is in the range of about 0.1 to about 0.9 mole, and the sum of n and o is in the range of about 0.1 to about 0.5 mole.