Foamable polycarbonate compositions, articles and methods

Details Foamable polycarbonate compositions, articles and methods Foamable polycarbonate compositions, articles and methods

1984-04-10

1985-10-01

Foelak, Morton

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

521 95, 521134, 521138, 521180, 521182, 521908, 523201, 525146, 525148, 525439, C08J 910

Patent

active

045446776

ABSTRACT:
A foamable thermoplastic composition comprising in admixture (a) a polycarbonate resin, alone, or with (b) a polyester, (c) a minor amount of a foaming agent and (d) a minor amount of an inorganic non-fibrous particulate nucleating agent, alone, or with a particulate organic polymeric material, wherein (d) has an aspect ratio of about 1 and a small particle size.

REFERENCES:
patent: 3232893 (1966-02-01), Salgado et al.
patent: 3260688 (1966-07-01), Watanabe et al.
patent: 3474043 (1969-08-01), Chappelear et al.
patent: 3743605 (1973-07-01), La Clair
patent: 4097425 (1978-06-01), Niznik
patent: 4174432 (1979-11-01), Niznik
Cobbs, Walter H., "Foamability of Hot Melt Adhesives", Adhesives Age, Dec. 1979, pp. 31-36.

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