Process for mass-coloring nylon with 1:2 chromium complex azo dy

Bleaching and dyeing; fluid treatment and chemical modification – Nominal textile manufacture process combined with dyeing

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8686, 8690, 8692, 8924, 264 73, 264 75, C09B 4500

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active

045279942

ABSTRACT:
Process for mass-coloring nylon in dark brown, dark violet and black shades, which comprises using as dye either mixtures of the 1:2 chromium complex of a monoazo dye of the formula I ##STR1## and the 1:2 chromium complex of a monoazo dye of the formula II ##STR2## or a mixed 1:2 chromium complex of a monoazo dye each of the formula I and the formula II in which R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are as defined in claim 1.

REFERENCES:
patent: 3565880 (1971-02-01), Jiron et al.
patent: 4369272 (1983-01-01), Jaffe

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