| abstract |
rubber composition a rubber composition comprises a rubber, sulfur component and a sulfenamide vulcanization accelerator represented by the following formula (i) and has excellent adhesion property with metal such as steel wires without causing problems such as deterioration in the physical properties and efflorescence of rubber after vulcanization. (wherein r1 represents a branched alkyl group having from 3 to 12 carbon atoms; r2 represents a linear alkyl group having from 1 to 10 carbon atoms or a branched alkyl group having from 3 to 10 carbon atoms; represents an integer of 1 or 2, and n represents an integer of o or 1). |