Flame retardant process for cellulosic material including cyanam

Details Flame retardant process for cellulosic material including cyanam Flame retardant process for cellulosic material including cyanam

1974-04-15

1976-06-15

Bleutge, John C.

Bleaching and dyeing; fluid treatment and chemical modification

Chemical modification of textiles or fibers or products thereof

Cellulose fibers

81156, 8116P, 260 4575B, D06M 1330, D06M 1344

Patent

active

039634370

ABSTRACT:
A process for imparting durable flame-retardant properties to cellulosic fiber-containing materials without detrimentally affecting other properties (e.g., shrinkage, hand, etc.) of the material is disclosed. The material is contacted with cyanamide; at least one phosphonic acid represented by the structural formula: ##EQU1## wherein R.sup.1 represents a monovalent radical selected from the group consisting of hydrogen, halogen, hydroxy, lower alkyl and lower alkoxy, and wherein R.sup.2 represents a monovalent radical selected from the group consisting of hydrogen and lower alkyl; antimony oxide; and a polymeric halogen-containing material.

REFERENCES:
patent: 2519388 (1950-08-01), Loukomsky et al.
patent: 3219478 (1965-11-01), Wagner
patent: 3567359 (1971-03-01), Blackburn et al.
patent: 3827907 (1974-08-01), LeBlanc

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