| abstract |
A backbone modified polymer comprising the reaction product of an elastomeric polymer and a sulfide modifier represented by Formula 1: AS—Y-Zm (Formula 1), and wherein Y is (C 12 -C 100 ) aralkyl, (C 12 -C 100 ) aryl, (C 12 -C 100 ) alkyl, or (C 12 -C 100 ) dialkylether (alkyl-O-alkyl), and wherein each may be optionally substituted with (C 1 -C 4 alkyl, (C 1 -C 4 alkoxy, (C 7 -C 16 aryl, (C 7 -C 16 aralkyl, nitrile, amine, NO 2 , alkoxy, or thioalkyl; S is sulfur; A is hydrogen, —(S) p —R1 or -MR2R3R4; Z is —SH, —S-MR5R6R7, —S—(S) p —R8, —NR9R10, —NR11COR12, —O—CO—R13, —NCO, or —COOR14; M is silicon or tin; N is nitrogen; O is oxygen; m is the number one, two or three; p is the number one, two, three, four or five; R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13 and R14 are the same or different, and are each, independently, selected from hydrogen (H), (C 1 -C 16 ) alkyl, (C 6 -C 16 ) aryl, (C 7 -C 16 ) aralkyl or (C 3 -C 30 ) tri(hydrocarbyl)silyl, and wherein the hydrocarbyl groups are each independently selected from (C 1 -C 16 ) alkyl, (C 6 -C 16 ) aryl, or (C 7 -C 16 ) aralkyl. The invention also provides related compositions, methods and articles. |