Patent ID: 7666968
Filing Date: 2010-02-23
Classification: C08G

Abstract:
1. A copolymer of Formula I wherein Ac is a radical of an acene having 2 to 5 fused benzene rings, wherein Ac can be optionally substituted with a substituent selected from an alkyl, alkoxy, thioalkyl, aryl, aralkyl, halo, haloalkyl, hydroxyalkyl, heteroalkyl, alkenyl, or combinations thereof; R Q is a divalent group of Formula II, III, IV, or V; R1 and R2 are each independently selected from hydrogen, alkyl, alkoxy, thioalkyl, aryl, aralkyl, halo, haloalkyl, hydroxyalkyl, heteroalkyl, or alkenyl; and n is an integer greater than or equal to 4.