Patent ID: 7608679
Filing Date: 2009-10-27
Classification: C08G,H01L

Abstract:
1. A copolymer of Formula I wherein Ac is a radical of an acene having 2 to 5 fused aromatic rings, wherein Ac is unsubstituted or substituted with a substituent selected from an alkyl, alkoxy, thioalkyl, aryl, aralkyl, halo, haloalkyl, hydroxyalkyl, heteroalkyl, alkenyl, or combinations thereof; Q is a divalent group of Formula III; R1 and R2 are each independently selected from hydrogen, alkyl, alkoxy, thioalkyl, aryl, aralkyl, halo, haloalkyl, hydroxyalkyl, heteroalkyl, or alkenyl the asterisks indicate the location of attachment to another group such as another repeat unit of formula —Ac-Q-; and n is an integer greater than or equal to 4, wherein the compound of Formula I is a semiconductor material.