Pneumatic tires

Details Pneumatic tires Pneumatic tires

1993-08-02

1995-04-25

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524495, 524496, C08K 304

Patent

active

054099692

ABSTRACT:
As a tread rubber of a pneumatic tire is used a rubber composition comprising 10-150 parts by weight of a silica filler, 0-150 parts by weight of carbon black and 0.2-10 parts by weight of at least one specified silane coupling agent, based on 100 parts by weight of a particular polymer rubber having a glass transition temperature of not lower than -50.degree. C. through polymerization of 1,3-butadiene or copolymerization of 1,3-butadiene and styrene with an organic alkali metal initiator, or a rubber blend of not less than 30 parts by weight of the above polymer and not more than 70 parts by weight of the other diene series rubber.

REFERENCES:
patent: 3664403 (1972-05-01), Doran et al.
patent: 3768537 (1973-10-01), Hess et al.
patent: 3873489 (1975-03-01), Thurn et al.
patent: 3881536 (1975-05-01), Doran, Jr. et al.
patent: 4143027 (1979-03-01), Sollman et al.
patent: 4431755 (1984-02-01), Weber et al.
patent: 4436847 (1984-03-01), Wagner
patent: 4519430 (1985-05-01), Ahmad et al.
patent: 4820751 (1989-04-01), Takeshita et al.
European Search Report and Annex.

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