Dyeing of natural or synthetic polyamides

Details Dyeing of natural or synthetic polyamides Dyeing of natural or synthetic polyamides

1989-05-26

1990-12-25

Lieberman, Paul

Bleaching and dyeing; fluid treatment and chemical modification

Dyeing involving animal-derived natural fiber material ,...

Leather dyeing

8404, D06P 332

Patent

active

049799622

ABSTRACT:
Natural and synthetic polyamides are dyed with the betaines of 1:1 chromium complexes of sulfo-containing azo or azomethine dyes from an aqueous liquor.

REFERENCES:
H. Zollinger, Color Chemistry, p. 122 (1987), Verlag Chemie, Weinheim.
Fortschr. Chem. Forsch. 7 (1966/67) p. 684.
Ullmanns Enzylklopadie der Technischen Chemie, vol. 16, p. 565, 4th Edition, 1978.
J. Soc. Dyers Colour. 104 (1988), No. 12.

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