Heat-foamable olefinic resin composition and process for production of olefinic resin foam from said composition
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United States of America Patent
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-
Apr 9, 1985
Grant Date -
N/A
app pub date -
Apr 25, 1984
filing date -
Oct 25, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A heat-foamable olefinic resin composition comprising (a) an ethylenic polymer, (b) a propylene/alpha-olefin copolymer having a melting point of 130.degree. to 160.degree. C., (c) a propylene polymer having a melting point at least 10.degree. 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.
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