| 摘要 |
PROBLEM TO BE SOLVED: To provide a styrenic elastomer composition having low hardness and good vibration isolating property and capable of preventing tackiness even with low added amount of an antioxidant.SOLUTION: A styrenic elastomer composition contains 100 pts.wt. of a base composition by adding mineral oil-based softener to a styrenic elastomer, 20 to 30 pts.wt. of magnesium hydroxide surface treated by a higher fatty acid-based surface preparation agent, 3 pts.wt. of polyethylene wax, 1.5 pts.wt. of sorbitan stearate and 2 pts.wt. of an antioxidant with a percentage of the mineral oil-based softener in the base composition of 89 wt.%.SELECTED DRAWING: None |
