Rubber composition

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...

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524495, 423445, C08K 304

Patent

active

052254755

ABSTRACT:
A rubber composition comprising 100 parts by weight of a rubber component which consists of a natural rubber alone or a blend of a natural rubber with a dienic synthetic rubber and from 35 to 100 parts by weight of a carbon black compounded into the rubber. The carbon black has a nitrogen adsorption specific surface area (N.sub.2 SA) of 100 to 160 m.sup.2 /g and also a true specific gravity and a mode diameter of intraaggregate pore (Dp) which satisfy, respectively, the relations

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patent: 4786677 (1988-11-01), Nakai et al.
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patent: 5093407 (1992-03-01), Komai et al.
patent: 5124396 (1992-06-01), Branan, Jr. et al.

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