Patent ID: 8252862
Filing Date: 2012-08-28
Classification: C08K

Abstract:
1. A composition, comprising: (a) a naturally occurring or synthetic rubber susceptible to at least one selected from the group consisting of oxidative, thermal, dynamic, light-induced, and ozone-induced degradation; (b) a white reinforcing filler; and (c) a coupling agent of formula (I) wherein, when n is 1, R or when R 7 is a direct bond, R 1 is —CN, —SOR 8 , —SO 2 R 8 , —NO 2 , or —COR 8 ; when n is 2, R or when R 6 and R 7 are a direct bond, R 1 is R or at least two of R 2 , R 3 , and R 4 are —O—R 15 —O—; or R 2 is additionally or R 3 is additionally or R 4 is additionally with the proviso that at least one of R R R wherein the methylene group is always attached to R 7 ; R R R R R or R R R R R R R R R R R R M is sodium, potassium, or ammonium; m is 0, 1 or 2; and n is 1 or 2, or an oligomeric hydrolysis product of the compound of formula (I).