| 摘要 |
<p>A rubber composition which comprises (1) 100 parts by weight of a rubber containing 60 parts by weight or more of styrene-butadiene rubber, (2) 20 to 180 parts by weight of a softening agent, (3) 0.5 to 5 parts by weight of at least one compound selected from particularly defined thiuram compounds and from particularly defined dithiocarbamate compounds, (4) 0.1 to 2.5 parts by weight of a guanidine vulcanization accelerator, and (5) 0.5 to 5 parts by weight of a benzothiazole vulcanization accelerator. m</p> |
