Manufacture of flame-retardant regenerated cellulose fibres

Details Manufacture of flame-retardant regenerated cellulose fibres Manufacture of flame-retardant regenerated cellulose fibres

1975-08-14

1977-12-20

Thurlow, Jeffery R.

Bleaching and dyeing; fluid treatment and chemical modification

Chemical modification of textiles or fibers or products thereof

Cellulose fibers

106 15FP, 260 13, 260 17A, 260 174GC, 264194, 264198, 423302, D01F 208

Patent

active

040638839

ABSTRACT:
Manufacture of flame-retardant regenerated cellulose fibres by adding one or more flame-retardant phosphorus comounds to viscose, extruding the viscose-containing mixture thus obtained into a spinning bath, stretching and after treating the resulting filaments or staple fibres. The flame-retardant fibres are made by using as the flame-retardant agent a combination of compounds of the general formula:

REFERENCES:
patent: 2582181 (1952-01-01), Truhlar et al.
patent: 2816004 (1957-12-01), Rossin et al.
patent: 3034919 (1962-05-01), Steinhauer
patent: 3266918 (1966-08-01), Schappel et al.
patent: 3455713 (1969-07-01), Godfrey
patent: 3783016 (1974-01-01), Randall et al.
patent: 3925274 (1975-12-01), Brickman et al.
patent: 3947276 (1976-03-01), Siclari et al.
patent: 3974251 (1976-08-01), Cremer et al.
"Nitrogen-Phosphorus Synergism in Flame-Retardant Cellulose", Tesoro et al., Textile Research Journal, 2-1969, pp. 180-190.
"A New Chemical Approach to Durable Flame-Retardant Cotton Fabrics", Aenishanslin et al., Textile Research Journal, 4-1969, pp. 375-381.

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