Flame retardant process for textile materials including phosphor

Details Flame retardant process for textile materials including phosphor Flame retardant process for textile materials including phosphor

1974-04-15

1976-07-20

Bleutge, John C.

Bleaching and dyeing; fluid treatment and chemical modification

Chemical modification of textiles or fibers or products thereof

Cellulose fibers

8116P, 81156, 81276, 8181, 260 4575B, D06M 1326, D06M 1344

Patent

active

039704254

ABSTRACT:
An improvement in a process for imparting flame retardant properties to textile materials by reacting the textile materials with phosphorus-containing compounds or salts thereof and aftertreating the textile material with a salt of a heavy metal is disclosed. In the improved process, the phosphorus-containing compounds are applied in correlation with antimony oxide and a polymeric halogen-containing material. Reduced amounts of phosphorus may be affixed on the textile material (thus substantially reducing fabric shrinkage during processing) without substantially adversely affecting the flame retardant properties of the treated material. Titanyl sulfate is utilized as the heavy metal salt. In addition, the treatment is applicable to cellulosic fibers, e.g., cotton or rayon, as well as to wool, silk and other natural and man-made fibers or blends of these fibers.

REFERENCES:
patent: 2519388 (1950-08-01), Loukomsky et al.
patent: 3219478 (1965-11-01), Wagner
patent: 3827907 (1974-08-01), Leblanc

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