Patent ID: 7834134

Claim:
A polyarylether block copolymer having amide functionality comprising (A) units from at least one of structure I or structure II: wherein R 1 and R 2 are separate groups or are covalently connected to form a cyclic moiety, R 1 and R 2 are each, independently, selected from the group consisting of hydrogen, C 1 -C 20 alkyl, C 3 -C 30 aryl and a substituted C 3 -C 30 aryl; R 3 , R 4 , R 5 , R 6 , R 7 and R 8 are each, independently, a nitro group, C 1 -C 12 alkyl, C 3 -C 30 aryl or a combination thereof; Y is hydrogen, C 1 -C 20 alkyl or C 3 -C 30 aryl; k is from about 0 to about 10; a, b, c, d, e and f are each, independently, 0, 1, 2, 3 or 4; and m and n are independently 0 or 1; and (B) units from a polymer.