Foamable composition containing no chemical non-polymeric...

Details Foamable composition containing no chemical non-polymeric... Foamable composition containing no chemical non-polymeric...

C - Chemistry, Metallurgy

08

J

403/57

C08J 9/08 (2006.01)

Patent

CA 1285098

F-4120 FOAMABLE COMPOSITION CONTAINING NO CHEMICAL NON-POLYMERIC BLOWING AGENTS ABSTRACT Foamable and foamed compositions comprising blends of an aromatic sulfone polymer, a linear polyester and an aromatic polycarbonate are disclosed. The composition, useful as an ovenable food container, is formed in a process in which the three components are intimately admixed, heated and extruded below or above the foamable temperature, depending upon whether a foamable or foamed composition is desired.

546515

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