| abstract |
A composition comprising (1) a first vulcanization accelerator that is chosen from the group consisting of amine, one of its salts, an amidine, one of its salts and a mixture thereof, (2) a second vulcanization accelerator which is chosen from the group consisting of a dithiophosphate derivative (C3-C32) or zinc dithiophosphate derivative (C3-C32), a thiuram derivative, a zinc dithiocarbamate derivative and a mixture thereof. |