| abstract |
Tyres made from natural rubber and/or halogen-free synthetic diene rubber exhibit reduced rolling resistance if the vulcanisation system additionally contains from 0.1 to 5 phr of a compound of the formula <IMAGE> in which x is 1-4, preferably 2-4, y is 0 or 1, Z is <IMAGE> C1-C12-alkylene, C4-C12-cycloalkylene, C6-C10-arylene or C8-C12-arylalkylene, R is pentachlorophenyl or optionally OH- or C1-C4-alkoxy-substituted C1-C12-alkyl or C4-C12-cycloalkyl, benzyl or trichloromethyl. |