Polybutylene terephthalate molding compositions modified by the addition of elastomeric ethylene-propylene copolymers containing small amounts of norbornyl carboxylate, amine, alkyl amine, aryl amine or hydroxyl groups, exhibit superior impact strength, especially at low temperatures.
聚
对苯二甲酸丁二醇酯模塑组合物通过添加含有少量降
冰片羧酸酯、胺、烷基胺、芳基胺或羟基的弹性
乙烯-
丙烯共聚物进行改性,显示出卓越的冲击强度,尤其是在低温条件下。