Process for flameproofing cellulosic fibers prior to dyeing

Details Process for flameproofing cellulosic fibers prior to dyeing Process for flameproofing cellulosic fibers prior to dyeing

1987-07-20

1988-08-23

Niebling, John F.

Bleaching and dyeing; fluid treatment and chemical modification

Chemical modification of textiles or fibers or products thereof

Mixed fibers

811556, 811557, 811561, 811564, D06M 900, D06P 500

Patent

active

047657960

ABSTRACT:
Cellulosic fabric is dyed by affixing a hydroxymethyl phosphonium-nitrogen based polymer to the fabric and thereafter dyeing it with a cotton dye having anionic groups, in an acidic or neutral environment. In addition, a new method of affixing the polymer to the fabric is provided comprising contacting the fabric with a solution of urea and a precondensate of urea and tetrakis hydroxymethyl phosphonium salt.

REFERENCES:
patent: 3236676 (1966-02-01), Coates
patent: 3784356 (1974-01-01), Wagner
patent: 4078101 (1978-03-01), Cole
patent: 4198316 (1980-04-01), Nahta

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