Fire retardant fabrics

Details Fire retardant fabrics Fire retardant fabrics

1974-01-21

1976-02-03

Gwinnell, Harry J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

427354, 427382, 427412, 427439, 428278, 428921, C09K 328, C09D 518

Patent

active

039365620

ABSTRACT:
A process for rendering cellulose and cellulose containing fabrics fire resistant by first impregnating the fibers with an aminoplast resin and polymerizing the resin while the fibers are wet and swollen. Thereafter, the fabric is impregnated with tetrakis (hydroxymethyl) phosphonium hydroxide, cured, washed and dried. The fabric obtained from this process possesses high fire-retardency values, soft hand, and tensile values similar to that of the untreated fabric.

REFERENCES:
patent: 2809941 (1957-10-01), Reeves et al.
patent: 2911326 (1959-11-01), Haney et al.
patent: 2992138 (1961-07-01), Bacon
patent: 3067062 (1962-12-01), Etzel
patent: 3096201 (1963-07-01), Coates et al.
patent: 3632297 (1972-01-01), Sello
patent: 3698854 (1972-10-01), Donaldson et al.

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