Disclosed is a thermoplastic elastomer composition including a thermoplastic elastomer (A) having a side chain having at least one member selected from the group consisting of imino group, nitrogen-containing heterocycle and covalent crosslink site, and a carbonyl-containing group, and an ethylene-propylene copolymer (B) comprising propylene block and ethylene-propylene block. The thermoplastic elastomer of the present invention exhibits excellent high temperature flowability and mechanical strength while retaining its excellent flexibility.
本发明公开了一种热塑性弹性体组合物,包括一种热塑性弹性体(A),其侧链至少有一个成员选自
亚胺基、含氮杂环和共价交联位点以及含羰基组成的组,以及一种
乙烯-
丙烯共聚物(B),该共聚物包括
丙烯嵌段和
乙烯-
丙烯嵌段。本发明的热塑性弹性体具有极佳的高温流动性和机械强度,同时还能保持良好的柔韧性。