| 摘要 |
PROBLEM TO BE SOLVED: To provide an excellent injection molded article, improved with its transparency after residing under a high temperature for a long period, being transparent, having a high surface hardness and excellent in impact resistance at <=5 deg.C. SOLUTION: This composition for an injection molding having a specific blending composition consists of (I) a specific block copolymer containing 60-95 wt.% content of a vinylaromatic hydrocarbon and 40-5 wt.% total content of isoprene and 1,3-butadiene with >=(5/95) and <(55/45) range weight ratio of the isoprene to 1,3-butadiene, and (II) a polystyrene resin. |
