Patent ID: 6750275
Filing Date: 2004-06-15
Classification: C08K

Abstract:
Vulcanizable rubber mixes comprising:a) rubbers, b) O,O-bis-(alkyl)dithiophosphoric acid polysulfides corresponding to the formula whereinx represents 2, 3, 4 or 5 and R represents a C8-C12-alkyl or -cycloalkyl radical and c) primary and/or secondary amines corresponding to the formula whereinY represents hydrogen or a mercaptobenzothiazole radical, R1 represents hydrogen, C1-C6-alkyl C5 or C6-cycloalkyl C7-C12-aralkyl and R2 has the same meaning of R1, with the proviso that R1 and R2 do not simultaneously, represent hydrogen, wherein the components b) and c) are in a molar ratio from (0.5 to 1.5):1 and are present in a total amount of from 1 to 10 parts by wt. per 100 parts by wt. of rubbers in the rubber mixes, and d) 0.5 to 3.0 wt.-% sulfur, based on the rubber.