Rubber compositions

Details Rubber compositions Rubber compositions

1990-05-09

1990-12-25

Schofer, Joseph L.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524218, C05K 520

Patent

active

049804057

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 0.01-1 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.5 -R.sub.14 are same or different, hydrogen atom, C.sub.1 -C.sub.18 alkyl, C.sub.5 -C.sub.12 cycloalkyl, C.sub.6 -C.sub.14 aryl, C.sub.6 -C.sub.14 aryl-C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.18 alkoxyl, C.sub.5 -C.sub.12 cycloalkoxyl, C.sub.6 -C.sub.14 aryloxyl, C.sub.6 -C.sub.14 aryl-C.sub.1 -C.sub.4 alkoxyl groups, or C.sub.2 -C.sub.18 hydrocarbon groups having at least one double bond.

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

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