Process for the dyeing of cellulose-containing fibre materials w

Details Process for the dyeing of cellulose-containing fibre materials w Process for the dyeing of cellulose-containing fibre materials w

1994-09-02

1996-06-11

Einsmann, Margaret

Bleaching and dyeing; fluid treatment and chemical modification

Multiple chemically diverse fibers or fibers with different...

Polyester fiber and cellulose fiber

8549, 8689, 8918, D06P 1382, D06P 1384, D06P 366, D06P 3872

Patent

active

055251242

ABSTRACT:
##STR1## A process for the dyeing of cellulose-containing fibre materials with reactive dyes, which comprises carrying out dyeing in the presence of the salt of a mineral acid in an amount of 0 to 20 g per liter of dyebath and using at least one of the reactive dyes of formulae (I) and (II) in which the substituents are as defined in claim 1. This produces dyeings having good fastness properties in a high coloristic yield. Moreover, the addition of fairly large amounts of salts of a mineral acid, which is a common practice in dyeing, can be omitted.

REFERENCES:
patent: 4670547 (1987-06-01), Lehr
patent: 4900813 (1990-02-01), Tzikas et al.
patent: 4975530 (1990-12-01), Tzikas et al.
E. R. Trotman, Dyeing and Chemical Technology of Textile Fibers, 6th ed no month available 1984, p. 509.
K. Venkataraman, The Chemistry of Synthetic Dyes, vol. VI, pp. 148 to 151, no month available, 1972.
Chemical Abstracts, vol. 103 (no month available 1985), No. 179653K.
Chemical Abstracts, vol. 103 (no month available 1985), No. 124990.
Chemical Abstracts, vol. 99 (no month available 1982), No. 39801.
English translation of JP-A-60/215882, Oct. 29, 1985.
Book of Pakers International Conference & Exhibition, Oct. 8-11, 1991.
K. Venkataraman, The Chemistry of Synthetic Dyes, vol. VI, pp. 416-417 (1972).

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