Silica filled rubbery vulcanizates

Details Silica filled rubbery vulcanizates Silica filled rubbery vulcanizates

1995-11-29

1997-12-02

Zemel, Irina S.

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

Synthetic resins

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

524393, 524504, C08L 900, C08K 336, C08K 304

Patent

active

056937121

ABSTRACT:
A process is provided for making improved rubbery vulcanizates wherein rubbery polymer is mixed with silica or silica and carbon black, polyfunctional polysulphide silane compound and sulphur-based vulcanizaiton agents and the mixture is vulcanized, the rubber polymer is a polymer having two or three domains or a mixture of a polymer having two or three domains and one of polybutadiene, styrene-butadiene polymer or natural rubber or a mixture of polybutadiene and natural rubber.

REFERENCES:
patent: 4820751 (1989-04-01), Takeshita et al.
patent: 5225011 (1993-07-01), Takino et al.
patent: 5226987 (1993-07-01), Matsumoto et al.
patent: 5227425 (1993-07-01), Rauline
patent: 5237015 (1993-08-01), Urban

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