Unvulcanized rubber mixture for tire treads

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...

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524495, 5253326, C08K3/00

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active

059051078

ABSTRACT:
Unvulcanized rubber mixture that can be cross linked with sulfur, including: (A) 100 weight parts of total mass of unvulcanized rubber including: about 40 to 100 weight parts of styrene-butadiene-copolymer (S-SBR) that is produced in solution; and (B) relative to the 100 weight parts of total mass of unvulcanized rubber: about 50 to 80 pphr silicic acid, about 3 to 7 pphr silanization agent, about 0.1 to 0.5 pphr tetrabenzylthiuramdisulfide (TBzTD), and about 1 to 3 pphr benzothiazyl-2-cyclohexylsulfenamide (CBS). A vulcanization process, including vulcanizing the unvulcanized rubber mixture. A tire including a tread that is produced from the unvulcanized rubber mixture.

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Copy of an European Search Report issued in connection with European Application No. 98 10 1609.
Debnath et al., "Studies on the Effect of Thiuram Disulfide on NR Vulcanization Accelerated by Thiazole-Based Accelerator Systems", Journal of Applied Polymer Science, vol. 60, pp. 845-855 (1996).

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