Fire resistant foam insulation

Details Fire resistant foam insulation Fire resistant foam insulation

1979-12-31

1980-12-30

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

260 4575B, 260 4595G, 521 92, 521139, 521146, 521907, 521915, C08J 904

Patent

active

042424658

ABSTRACT:
This invention provides cross-linked, flame retarded poly(p-methylstyrene) foam insulation. It also provides a method for preparing it, that comprises incorporating a flame retarding amount of flame retardant material into poly(p-methylstyrene), foaming the resultant composition, and cross-linking.

REFERENCES:
patent: 2857625 (1958-10-01), Carlson, Jr.
patent: 3060513 (1962-10-01), Klinck et al.
patent: 3242238 (1966-03-01), Edberg et al.
patent: 3331899 (1967-07-01), Ismael
patent: 3515615 (1970-06-01), Okada et al.
patent: 3640913 (1972-02-01), Cerra
patent: 3725317 (1973-04-01), Roden et al.
patent: 3832312 (1974-08-01), Wright
patent: 4085073 (1978-04-01), Suh et al.

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