Patent ID: 6885038

Claim:
A compound according to formula (I), wherein R′ is Ar 1 SiR 1 R 2 R 3 and R″ is AR 2 SiR 4 R 5 R 6 ; R 1 , R 2 , R 3 , R 4 , R 5 , and R 6 are independently selected from the group consisting of hydrogen, alkyl, alkenyl, alkynyl, aryl, cycloalkyl, cycloalkenyl, cycloalkynyl, arylalkyl, arylalkenyl, and arylalkynyl; Ar 1 and Ar 2 are independently selected from the group consisting of arylene, arylenealkylene, arylenealkynylene, heteroarylene, heteroarylenealkylene, heteroarylenealkenylene, and heteroarylenealkynylene; and n is at least 20.