| 摘要 |
<p>PURPOSE: To obtain an elastomer composition excellent in flexibility, heat resistance, transparency, safety, and strength. CONSTITUTION: This elastomer composition comprises a mixture of the followings (a), (b), (c), and (d): (a) 50 to 90wt.% poly(methylpentene) or a copolymer of methylpentene with anα-olefin, (b) 5 to 50wt.% hydrogenated derivative of a copolymer made up of styrene homopolymer blocks and butadiene homopolymer blocks, (c) 5 to 30wt.% polypropylene or copolymer mainly made up of propylene, and (d) 5 to 50wt.% ethylene copolymer.</p> |
