Patent ID: 7521525

Claim:
A polymer represented by Formula 3: where R 1 , R 2 , and R 3 are each independently selected from the group consisting of H, a substituted C1-C20 alkyl group, an unsubstituted C1-C20 alkyl group, a substituted C1-C20 alkoxy group, an unsubstituted C1-C20 alkoxy group, a substituted C6-C20 aryl group, an unsubstituted C6-C20 aryl group, a substituted C6-C20 aryloxy group, an unsubstituted C6-C20 aryloxy group, a substituted C2-C20 heteroaryl group, an unsubstituted C2-C20 heteroaryl group; R 12 and R 13 are each independently H, a substituted or unsubstituted C1-C12 alkyl group, a substituted or unsubstituted C1-C12 alkoxy group, or a substituted or unsubstituted amino group; n is a real number, and 0.01≦n≦0.99; and z is a real number, and 5≦z≦1000.