Patent ID: 8871884
Filing Date: 2014-10-28
Classification: C08G,H01L,Y02E

Abstract:
1. A copolymer comprising the structure: wherein a) n is a positive integer of 2 or greater, b) n c) each R d) A has the structure wherein each R 2 is independently selected from hydrogen, a halogen, cyano, or a C 1 -C 18 organic radical selected from optionally substituted normal or branched alkyls, alkoxys, or thioalkyls; e) D has one of the structures wherein each R 3 is independently selected from hydrogen, a halogen, cyano, or a C1-C 18 organic radical selected from optionally substituted normal or branched alkyls, alkoxys, or thioalkyls, and R 4 is a C 1 -C 18 optionally substituted normal or branched alkyl, or phenyl.