Flame retardant materials

Details Flame retardant materials Flame retardant materials

1986-05-14

1987-10-27

Lechert, Jr., Stephen J.

Compositions

Fire retarding

81156, 106 1811, 106 1812, 106 1816, 106 1831, 106 1832, 252607, 252608, 252609, 428920, 428921, 521906, 521907, C09K 2100, C09D 516, C09D 518

Patent

active

047028610

ABSTRACT:
A flame retardant formulation for application as an aqueous working dispersion onto surfaces of normally combustible materials. Upon exposure to elevated temperatures and/or flame, the formulation creates a substantially continuous protective film as it undergoes a transition of composition, with the protective film generally encapsulating and/or enveloping the surface of the article onto which it is applied. In addition to being insulative, the film excludes oxygen from the surface of the substrate, and is capable of radiating infrared and visible light when exposed to elevated temperatures. In the formulation, and upon exposure to elevated temperatures and/or flame, the material releases forms of chlorine, bromine, and phosphorus, for the protection that these materials provide. In addition, antimony oxide is present for its protective property, together with hydrated alumina for its water-release capability.

REFERENCES:
patent: 3560253 (1971-02-01), Ashton
patent: 3699041 (1972-10-01), Sanderford et al.
patent: 4011195 (1977-03-01), Self
patent: 4095985 (1978-06-01), Brown
patent: 4182799 (1980-01-01), Rodish
patent: 4358500 (1982-11-01), George et al.
patent: 4464495 (1984-08-01), Brown

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