Expandable polymeric composition and method

Details Expandable polymeric composition and method Expandable polymeric composition and method

C - Chemistry, Metallurgy

08

L

403/76

C08L 25/00 (2006.01) C08J 9/00 (2006.01) C08J 9/14 (2006.01)

Patent

CA 1274949

ABSTRACT An expandable alkenyl aromatic polymer composition and methods of preparation are provided. The composition is admixed with a volatile blowing agent and an expansion aid which includes a polyphenylene ether. The composition may be extruded and then expanded by exposure to steam or hot air or may be impregnated with blowing agent and then expanded.

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