Foamable polymeric composition

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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521 93, 521 97, 521147, C08J 900

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active

043306357

ABSTRACT:
The invention relates to a foamable polymeric composition comprising a copolymer of alkenyl aromatic and alkenyl nitrile monomers, optionally a diene rubber grafted with said monomers and a foaming agent selected from a polybasic acid group. A method for foaming said polyblend is also disclosed.

REFERENCES:
patent: 2911382 (1959-11-01), Barkhuff, Jr. et al.
patent: 3277029 (1966-10-01), Chadwick et al.

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