申请人:E.I. DU PONT DE NEMOURS AND COMPANY
公开号:EP0116456A1
公开(公告)日:1984-08-22
Polyoxymethylene compositions having 15-40 wt. % thermoplastic polyurethane, where the polyurethane has a glass transition of lower than -15°C, the polyoxymethylene has a molecular weight of 20,000-100,000, and the polyurethane is dispersed in the polyoxymethylene as small particles show extraordinary toughness as measured by notched Izod.
具有 15-40 重量百分比热塑性聚氨酯的聚甲醛组合物,其中聚氨酯的玻璃化转变温度低于 -15°C,聚甲醛的分子量为 20,000-100,000 ,聚氨酯以小颗粒形式分散在聚甲醛中,用缺口伊佐德法测量,显示出非凡的韧性。