Foamable polyester 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 74, 521 75, 521 79, 521 89, 521 90, 521 93, 521 94, 521 95, 521182, 521189, C08L 6700

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active

043519113

ABSTRACT:
A foamable thermoplastic injection moldable composition comprising in admixture (a) a polyester resin, (b) a filler selected from the group consisting of fibrous glass or a mineral or mixtures thereof in an amount of from about 5 to about 50 weight percent, and (c) a minor amount of foaming agent.

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patent: 3725321 (1973-04-01), Wirth et al.
patent: 3953394 (1976-04-01), Fox
patent: 4280005 (1981-07-01), Fox
Bennett et al., Reinforcement of Foam Rubber, "Rubber World", Sep. 1950, pp. 672, 673 & 710.

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