Rubber compositions

Details Rubber compositions Rubber compositions

1988-09-01

1990-08-21

Schofer, Joseph L.

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...

524398, C08K 507

Patent

active

049507052

ABSTRACT:
Rubber compositions excellent in adhesion to metals, particularly suitable for steel cord coating rubbers, having a high vulcanizing rate and little offensive smell in an unvulcanized state, which comprise 100 parts by weight of a rubber and 0.01.about.1 part by weight as a cobalt element content of at least one cobalt oxyketone complex represented by the following general formula: ##STR1## wherein R.sub.1 .about.R.sub.4 are same or different C.sub.1.about.18 alkyl, C.sub.5.about.12 cycloalkyl, C.sub.6.about.14 aryl-C.sub.1.about.4 alkyl, C.sub.1.about.18 alkoxyl, C.sub.5.about.12 cycloalkoxyl, C.sub.6.about.14 aryloxyl, C.sub.6.about.14 aryl-C.sub.1.about.4 alkoxyl groups, or C.sub.2.about.18 hydrocarbon groups having at least one double bond.

REFERENCES:
patent: 3480607 (1969-11-01), Hsieh

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