Flame retardant polyurethane foams

Details Flame retardant polyurethane foams Flame retardant polyurethane foams

1996-07-16

1999-10-26

Sergent, Rabon

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521110, 521129, 521137, 521163, 521166, 521174, 521906, C08J 904, C08L 7508, C08K 53492, C08G 1848

Patent

active

RE0363588

ABSTRACT:
The invention pertains to flame retardant polyurethane foams prepared by the reaction of a polyoxyalkylene polyether polyol with an organic polyisocyanate and a blowing agent wherein melamine is incorporated as the sole flame retardant compound. The amount of melamine may range from about 10 weight percent to about 55 weight percent of the total composition.

REFERENCES:
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patent: 4258141 (1981-03-01), Jarre et al.
patent: 4293657 (1981-10-01), Nissen et al.
patent: 4317889 (1982-03-01), Pcolinsky, Jr.
patent: 4427797 (1984-01-01), Smith
patent: 4644015 (1987-02-01), Scaccia et al.
patent: 5506278 (1996-04-01), Walmsley
patent: 5536757 (1996-07-01), Walmsley
patent: 5569682 (1996-10-01), Walmsley
Burt et al., Auxillary Blowing Agents for flexible Polyurethane Foams, p. 57, Jan./Feb. 1977, Journal of Cellular Plastics.
NIAX.RTM. Blowing Agents for Urethane Foams, Figure 1, (no further information available for reference AT).

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