Styrenic polymer foams and preparation thereof

Details Styrenic polymer foams and preparation thereof Styrenic polymer foams and preparation thereof

1981-09-28

1983-05-31

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 98, 521146, 521907, 524275, 524467, C08J 914

Patent

active

043861652

ABSTRACT:
Extruded styrenic polymer foams having improved flammability characteristics are obtained when using volatile fluid blowing agents by incorporating therein a small amount (e.g., from about 0.03 to about 2 weight percent based on polymer) of a waxy material in conjunction with at least one conventional non-waxy halogenated flame retarding agent.

REFERENCES:
patent: 2894918 (1959-07-01), Killoran et al.
patent: 3004935 (1961-10-01), Raley, Jr. et al.
patent: 3635850 (1972-01-01), Birkner et al.
patent: 3655589 (1972-04-01), Wingler et al.
patent: 3668155 (1972-06-01), Raley, Jr.
patent: 4229396 (1980-10-01), Suh et al.
patent: 4325852 (1982-04-01), Hallenbeck
The Condensed Chemical Dictionary, 9th ed., pp. 924-925.

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