| 摘要 |
PROBLEM TO BE SOLVED: To provide a rubber composition for vibration isolation, having excellent vibration isolation performance giving stable tanδover a wide temperature region from low temperatures to high temperatures. SOLUTION: This rubber composition for vibration isolation is obtained by blending 100 pts.mass of a polymer (A) having a glass transition temperature (Tg) in the range of -80 to 0°C, a solubility parameter (SP value) in the range of 7.5-8.5, 5-150 pts.mass of a polymer (B) having a glass transition temperature (Tg) in the range of 10-60°C, a solubility parameter (SP value) of≥8.5 and 5-50 pts.mass of a polymer (C) having a melting point (Tm) in the range of 50-160°C, a solubility parameter (SP value) of≥8.5 as essential components. Preferably, tanδof the rubber composition for vibration isolation is≥0.4 in the range of temperature of -30 to 60°C. COPYRIGHT: (C)2005,JPO&NCIPI
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