Polysulfide compound, vulcanization method for diene rubber, vulcanization system and method for producing diene vulcanized rubber

摘要

2. The invention relates to novel polysulphide compounds of the formula IMAGE where n is 2 to 10 and R1 - R4, simultaneously or independently of one another, are hydrogen or an alkyl radical having 1 to 4 carbon atoms, which are used for the vulcanisation of rubber. 3. In addition, the invention relates to vulcanisation systems essentially containing a) 0.5 - 6 parts of polysulphide compound according to Claims 1 - 2, b) 0 - 0.3 part of sulphur, c) 1 - 2.5 parts of additional accelerator, d) 0.5 - 4 parts of basic compounds and e) rubber additives. ti