| 摘要 |
PROBLEM TO BE SOLVED: To provide a rubber composition improving worsening of processing by shrinkage accompanied by formulation with silica and excellent in on-ice and wet performances. SOLUTION: The rubber composition is obtained by formulating 100 pts.wt. diene-based rubber with 5-50 pts.wt. silica, 1-15 pts.wt. heat-expandable microcapsule and 2-15 pts.wt. resin having≥40 acid value. COPYRIGHT: (C)2006,JPO&NCIPI
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