VULCANIZABLE RUBBER MIXTURES FOR TIRE TREADS

    公开(公告)号:CA1049171A

    公开(公告)日:1979-02-20

    申请号:CA211285

    申请日:1974-10-11

    Applicant: DEGUSSA

    Abstract: The present invention provides a vulcanizable rubber mixture for tire treads which is based on rubbers capable of being cross-linked, silica filler, processing oil, sulphur-con-taining organosilanes and accelerator, said mixture comprising one or two polybutadiene rubbers in amounts of 20 to 100% by weight of the proportion of elastomer, one or two rubbers other than polybutadiene selected from synthetic rubbers and natural rubbers in amounts of 80 to 0% by weight of the proportion of elastomer in the rubber mixture, active silica filler in amounts of more than 80 parts by weight per 100 parts by weight of rubber, processing oil in amounts of 40 to 100 parts by weight per 100 parts of rubber, at least one bis-¢-alkoxy silyl alkyl!oligosulphide in amounts of 0.1 to 25% by weight per 100 parts by weight of rubber, sulphur in amounts totalling approximately 0.2 to 8 parts by weight per 100 g of rubber and at least one vulcanization accelerator in amounts of approximately 0.1 to 8 parts by weight per 100 parts by weight of rubber The present invention also includes a tire tread formed from said mixture.

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