Foamable polyphenylene oxide composition with thermally unstable

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...

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260 42, 260 4575B, 260 457P, 260 458N, 525132, 525146, 525148, 521180, C08J 904

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active

041973704

ABSTRACT:
Novel foamable compositions are disclosed which may comprise a polyphenylene oxide resin with or without an alkenyl aromatic resin; and a foaming agent which is a thermally unstable copolymer.

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