| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a vulcanization accelerator having a lower vulcanization rate than that of a conventional sulfenamide vulcanization accelerator and giving a rubber composition with a high crosslinking degree, and to provide a rubber composition and a tire using the composition. Ž<P>SOLUTION: The vulcanization accelerator includes a sulfenamide expressed by general formula (1). In the formula, R<SB>1</SB>to R<SB>4</SB>each independently represents a hydrogen atom or a 1C-8C hydrocarbon group which may have a substituent; and R<SB>5</SB>and R<SB>6</SB>each independently represents a 1C-8C hydrocarbon group which may have a substituent or a 6C-18C aromatic group which may have a substituent. The rubber composition and the tire using the composition are also disclosed. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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