Intumescent fire retardant compositions

Details Intumescent fire retardant compositions Intumescent fire retardant compositions

1983-01-07

1983-09-13

Foelak, Morton

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

Synthetic resins

Processes of preparing a desired or intentional composition...

521 85, 521 94, 521906, 521907, 524140, C09K 328

Patent

active

044042973

ABSTRACT:
The present invention relates to intumescent fire retardant compositions for polymers such as olefin polymers, polyester resins, polyurethane resins etc. According to the invention, the intumescent fire retardant compositions contain a thermolized product obtained from a system comprising P.sub.2 O.sub.5 or a P.sub.2 O.sub.5 -precursor together with triethanolamine. The ratio between the constituents is between 0.5 to 2.0 parts by weight P.sub.2 O.sub.5 to 1 part triethanolamine. The intumescent fire retardant compositions according to the present invention obviate the need for using of halogen-containing fire retardants which produce acid vapors during decomposition.

REFERENCES:
patent: 2880182 (1959-03-01), Weissert
patent: 2880183 (1959-03-01), Weissert
Chem. Abstracts, 86, p. 18765.

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