Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1988-07-08
1990-03-06
Lieberman, Allan M.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
524526, 525236, C08L 700, C08L 900, C08L 906
Patent
active
049066978
ABSTRACT:
Rubber compositions for use in tire treads are disclosed which are essentially made up of natural and/or a selected class of polyisoprene rubbers of specified cis contents and a selected class of styrene-butadiene rubbers of specified styrene and 1,2-bond contents. The composition has a unique viscoelasticity curve, exhibiting sufficient wet skid resistance and adequate fuel saving.
REFERENCES:
patent: 4383085 (1983-05-01), Fujimaki et al.
patent: 4485205 (1984-11-01), Fujimaki et al.
patent: 4530959 (1985-07-01), Armbruster et al.
Kayama Kazuyoshi
Kikuchi Yasushi
Muraki Takao
Lieberman Allan M.
Yokohama Rubber Co. Ltd.
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