Rubber vulcanizates having reduced heat evolution when subjected

Details Rubber vulcanizates having reduced heat evolution when subjected Rubber vulcanizates having reduced heat evolution when subjected

1987-12-01

1989-06-06

Lilling, Herbert J.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524494, 523351, C08L 2100, C08L 6110, C08K 304, C08J 320

Patent

active

048372668

ABSTRACT:
Rubber vulcanizates having a reduced heat evolution when subjected to dynamic deformation, prepared from vulcanizable rubber mixtures containing at least one type of rubber, a reinforcing resin system based on curable phenolic resins and other customary constituents, the vulcanizable rubber mixtures having been prepared from at least two rubber mixtures of different compositions. A process for their preparation by preparing in each case at least two different rubber mixtures differing from one another in their content of rubber, filler, oil, reinforcing resin system and, if appropriate, thermoplastic copolymer, by mixing the constituents thereof, then mixing the resulting mixtures with one another and vulcanizing the resulting final mixture.
The use of the vulcanizable rubber final mixtures for the production of mechanical rubber goods and tires.

REFERENCES:
patent: 4014827 (1977-03-01), Hart et al.
patent: 4222906 (1980-09-01), Briggs et al.
patent: 4383072 (1983-05-01), Thiel et al.
patent: 4456727 (1984-06-01), Middlebrook
patent: 4542186 (1985-09-01), Giller et al.
patent: 4699832 (1987-10-01), Sattelmeyer

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