Benzoquinone dye, rope-dyeing dye compositions, cotton rope-dyei

Details Benzoquinone dye, rope-dyeing dye compositions, cotton rope-dyei Benzoquinone dye, rope-dyeing dye compositions, cotton rope-dyei

1990-12-04

1992-06-16

Lieberman, Paul

Bleaching and dyeing; fluid treatment and chemical modification

Dye or potential dye composition, additive, treatment,...

Mixed dyes, noncomplexed

8653, 8650, 8918, C09B 358, C09B 700

Patent

active

051221608

ABSTRACT:
Denim cotton warp yarns are rope-dyed with a benzoquinone dye of formula (I): ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.1 ', R.sub.2 ' and R.sub.3 ' commonly or independently represent a hydrogen atom, a halogen atom, alkyl, cycloalkyl, alkenyl, aryl, aralkyl, alkoxyl or alkoxyalkyl alone or in combination with a red .DELTA..sup.2,3' -biindolin-3,2'-dione dye and/or a blue indigoid dye or sequentially with the latter dye.

REFERENCES:
patent: 4941887 (1990-07-01), Sakagawa et al.
Patent Abstracts of Japan, vol. 14, No. 20, Jan. 17, 1990, JP-A-1261462.
Patent Abstracts of vol. 14, No. 80, Feb. 15, 1990, JP-A-1297470.
Zollinger, Color Chemistry, page 153, 1987.
Colour Index, third Edition, vol. 4, 1973.

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