Patent ID: 6046280
Filing Date: 2000-04-04
Classification: C08K

Abstract:
A sulfur-vulcanizable rubber composition which comprises:(A) 100 parts by weight of at least one natural or synthetic rubber;(B) 0.1 to 25 parts by weight of sulfur and/or a sufficient amount of a sulfur donor to provide the equivalent of 0.1 to 25 parts be weight of sulfur;(C) 0.1 to 5 parts by weight of at least one anti-reversion coagent comprising at least two groups selected from citraconimide and/or itaconimide groups; and(D) 0.1 to 1 part, by weight of zinc, complexed with at least ohe carboxylic acid of the formula R--COOH (I), wherein R is selected from the group C.sub.5-24 alkyl, C.sub.5-24 alkenyl, and C.sub.5-24 cycloalkyl, C.sub.6-24 aryl, C.sub.7-24 alkylaryl, and C.sub.7-24 arylalkyl.