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...
Patent
1990-10-15
1992-09-08
Henderson, Christopher
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...
152151, 525139, C08K 304, C08K 336
Patent
active
051459051
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 is for the production of mechanical rubber goods and tires.
REFERENCES:
patent: 4421891 (1983-12-01), Miyake
patent: 4465807 (1984-08-01), Gillev
patent: 4602063 (1986-07-01), Yamamoto
Henderson Christopher
Hoechst AG
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