Process for trichromatic dyeing or printing

Details Process for trichromatic dyeing or printing Process for trichromatic dyeing or printing

1989-08-23

1991-03-12

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Reactive dye composition, process, or product

8531, 8588, 8587, 8917, 8924, C09B 4500, C09B 5000, D06P 324, D06P 310

Patent

active

049990276

ABSTRACT:
In the process for the trichromatic dyeing or printing of natural and synthetic polyamide fibre materials, mixtures of reactive dyes, wherein blue-dyeing reactive dyes of the formula ##STR1## in which X is halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, cyano or nitro, n is the number 0, 1 or 2, q is the number 0 or 1, m is the number 1, 2 or 3, Z is halogen and Y is a CN, CHO or S(O).sub.p R group in which p is the number 0, 1 or 2 and R is substituted or unsubstituted C.sub.1 -C.sub.8 alkyl or phenyl, are used together with sulfo-containing yellow- or orange-dyeing reactive dyes and sulfo-containing red-dyeing reactive dyes, have a uniform color build-up in combination with shade constancy in different concentrations and good compatibility.

REFERENCES:
patent: 4325869 (1982-04-01), Seitz et al.
patent: 4402704 (1983-09-01), Raisin et al.
patent: 4444564 (1984-04-01), Salathe
patent: 4445905 (1984-05-01), Schaetzer et al.
patent: 4563192 (1986-01-01), Salathe
patent: 4680384 (1987-07-01), Seitz et al.
Venkataraman pp. 92-95 vol. VII (1974).
Textile Praxis Int., 1976, pp. 895-898.

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