Flame retardants for natural and synthetic materials

Details Flame retardants for natural and synthetic materials Flame retardants for natural and synthetic materials

1973-11-14

1976-05-04

Gwinnell, Harry J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Noninterengaged fiber-containing paper-free web or sheet...

252 81, 427390, 427392, 428275, 428921, B32B 2720, C09K 328

Patent

active

039550320

ABSTRACT:
A process for rendering natural and synthetic materials and blends of the same flame retardant which entails treating the same with an aqueous dispersion of the flame retardant agent reduced to a finely divided state suspended in a latex medium and applied to the material with a finely divided metal oxide as synergist, by any convenient means; dried and set in place by baking. The active flame retardant agents are chlorinated cyclopentadieno compounds, chlorobrominated cyclopentadieno compounds, applied alone or in admixture with each other, or in admixture with brominated cyclopentadieno compounds, and in admixture with metallic oxides. The active flame retardant agents are reduced to a fine state of subdivision, preferably under 2 microns average particle diameter.

REFERENCES:
patent: 2668294 (1954-02-01), Gilpin
patent: 3093599 (1963-06-01), Mueller-Tamm et al.
patent: 3470116 (1969-09-01), Praetzel et al.
patent: 3658634 (1972-04-01), Yanagi et al.
patent: 3668155 (1972-06-01), Raley
patent: 3770577 (1973-11-01), Humphrey
patent: 3877974 (1975-04-01), Mischutin

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