Tires

Details Tires Tires

1984-11-23

1987-03-17

Smith, Edward J.

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

Synthetic resins

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

5253326, 526173, 526340, C08F23606

Patent

active

046508317

ABSTRACT:
A tire whose tread comprises as elastomer a styrene-butadiene or a styrene-isoprene co-polymer having a glass transition temperature above minus 50.degree. C., said composition having a rebound resilience of 55% or more.
The glass transition temperature is preferably between minus 40.degree. C. and minus 25.degree. C. and the rebound resilience is preferably between 60% and 70%.

REFERENCES:
patent: 2975160 (1961-03-01), Zelinski
patent: 3251905 (1966-05-01), Zelinski
patent: 3331821 (1967-07-01), Strobel
patent: 3364965 (1968-01-01), Oubridge
patent: 3402159 (1968-09-01), Hsieh
patent: 3580895 (1971-05-01), Onishi
patent: 3795652 (1974-03-01), Yamaguchi
patent: 3944528 (1976-03-01), Loveless
patent: 4121031 (1978-10-01), Minekawa
R. S. Hanmer et al, Rubber Age, 96 (1964), pp. 73-77.
H. L. Hseih et al, Rubber Chem. Technol., 74 (1970), p. 55, Table IX in conjunction with p. 56, paragraph 2.
K. H. Nordsiek, PTR Polymer Age, 4 (1973), pp. 332-333, 335-337.

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