| 摘要 |
<p>Rubber compositions having excellent adhesion to metals, particularly suitable for steel cord coating rubbers, having a high vulcanizing rate and little offensive smell in an unvulcanized state, 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: <CHEM> wherein R1-R4 are the same or different and each are a C1-18 alkyl, C5-12 cycloalkyl, C6-14 aryl, C6-14 aryl-C1-4 alkyl, C1-18 alkoxyl, C5-12 cycloalkoxyl, C6-14 aryloxyl, or C6-14 aryl-C1-4 alkoxyl group, or C2-18 hydrocarbon group having at least one double bond.</p> |
