C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 9/02 (2006.01) C08J 9/12 (2006.01)
Patent
CA 2128007
Disclosed is a process for making low density, dimensionally-stable, extruded propylene polymer foam comprised primari- ly of an expanded propylene polymer material wherein the foam has a blowing agent comprising at least 15 percent by weight of one or more inorganic blowing agents. The foam has a density of from 10 to 150 kilograms per cubic meter, and an average cell wall thickness of less than 35 micrometers. Further disclosed is a foam obtainable from the process.
Dow Global Technologies Inc.
Smart & Biggar
The Dow Chemical Company
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