After-treatment of dyeings with reactive dyes on cellulose fiber

Details After-treatment of dyeings with reactive dyes on cellulose fiber After-treatment of dyeings with reactive dyes on cellulose fiber

1986-07-17

1987-11-03

Lieberman, Paul

Bleaching and dyeing; fluid treatment and chemical modification

Chemical modification of textiles or fibers or products thereof

Cellulose fibers

8181, D06M 1334

Patent

active

047041323

ABSTRACT:
Dyeings with reactive dyes on cellulose fiber materials are after-treated with an aqueous solution of a condensate which is obtainable by reacting (a) bisbenzylpiperzine with (b) ethylene chloride, an epihalohydrin, propylene chloride, 1,3-dichloro-2-hydroxypropane, bisepoxybutane or 1,4-dichlorobutane or a mixture of these, in a molar ratio of from 1:0.5 to 1:1.1, or by reacting (c) piperazine, bis-1,4-aminopropylpiperazine, 1-aminoethylpiperazine, 2-hydroxyethylpiperazine or 1-methylpiperazine, or a mixture of these, with a compound according to (b) in a molar ratio of from 1:0.5 to 1:1.1 and benzylating the condensate, the benzylation being carried out using 0.15-1.0 mole of benzyl chloride per equivalent of nitrogen in component (c). The cellulose fiber materials after-treated in this manner possess very good wetfastness.

REFERENCES:
patent: 4592757 (1986-06-01), Fikentscher et al.
patent: 4592758 (1986-06-01), Fikentscher et al.

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