Heat-foamable olefinic resin composition and process for production of olefinic resin foam from said composition

摘要

A heat-foamable olefinic resin composition comprising (a) an ethylenic polymer, (b) a propylene/alpha-olefin copolymer having a melting point of 130 DEG to 160 DEG C., (c) a propylene polymer having a melting point at least 10 DEG C. higher than the melting point of the propylene/alpha-olefin copolymer, and (d) a blowing agent, and optionally (e) a crosslinking agent and/or a crosslinking promoting agent; and a process for producing an olefinic resin foam comprising crosslinking and heat-foaming the aforesaid heat-foamable olefinic resin composition.