Materials for use as fire retardant additives

Details Materials for use as fire retardant additives Materials for use as fire retardant additives

1988-12-21

1996-01-02

Locker, Howard J.

Compositions

Fire retarding

For solid synthetic polymer and reactants thereof

252605, 252607, 8490, 162159, 428452, 428453, 428920, 428921, C09K 2100, B27N 900

Patent

active

054805872

ABSTRACT:
A method of modifying an inorganic material which evolves gases and/or vapors at a temperature which is detrimental to the processing temperature of polymer or paper systems so that the modified material can be used as a fire retardant additive with that polymer or paper system. The method comprises the steps of: (1) providing a first material; (2) treating the first material to remove the portion which evolves gas which is detrimental to the processing of the polymer or paper system; and (3) combining a second material with the first material to create a modified material which does not evolve gas at a temperature which is detrimental to the processing of the paper or polymer system.

REFERENCES:
patent: 3878166 (1975-04-01), Woychesin et al.
patent: 4182799 (1980-01-01), Rodish
patent: 4283316 (1981-08-01), Bonsignore
patent: 4373039 (1983-02-01), Mueller et al.
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patent: 4496680 (1985-01-01), Ashby
patent: 4514328 (1985-04-01), Staendeke et al.
patent: 4600634 (1986-07-01), Langer
patent: 4743644 (1988-05-01), Skipper et al.
patent: 4842772 (1989-06-01), Withiam
patent: 4883533 (1989-11-01), Kosin et al.

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