Elastomer compositions for tire tread

Details Elastomer compositions for tire tread Elastomer compositions for tire tread

1980-06-26

1982-09-21

Briggs, Sr., Wilbert J.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

152209R, C08L 700, C08L 906, C08L 2320

Patent

active

043506216

ABSTRACT:
Tires having good grip on wet road surfaces and low frictional resistance to rolling on the road surface have treads formed from vulcanizates of elastomer compositions comprising one or more polymers having a glass transition temperature (Tg) of minus 50.degree. or lower blended with a non-cross-linking polymer or heavy oil. Suitable non-cross-linking polymers are polyisobutylenes, especially ones having a molecular weight of 1.06 to 1.44 million which are very effective with natural rubber, polybutadienes and/or styrene-butadiene copolymers as the low Tg polymers.

REFERENCES:
patent: 2875170 (1959-02-01), Ayers et al.
patent: 2906725 (1959-09-01), Briggs et al.
patent: 2910451 (1959-10-01), Cantwell
patent: 2969341 (1961-01-01), Buckley et al.
patent: 3179718 (1965-04-01), Wei et al.
patent: 3245452 (1966-04-01), Scott
patent: 3356764 (1967-12-01), Gentile
patent: 3639323 (1972-02-01), Morrisey
patent: 4012344 (1977-03-01), Cohen

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