Quinophtahalone derivatives for dyeing denim cotton yarn, option

Details Quinophtahalone derivatives for dyeing denim cotton yarn, option Quinophtahalone derivatives for dyeing denim cotton yarn, option

1988-01-22

1990-07-17

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

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

Mixed dyes, noncomplexed

8478, 8638, 8649, 8653, 8662, 8918, 546145, C09B 6722, D06P 122, D06P 360

Patent

active

049418874

ABSTRACT:
Disclsoed herein is dye suitable for use in dyeing denim cotton yarns. The dye comprises at least one quinophthalone derivative represented by the following general formula (I) or (II): ##STR1## wherein X means H, Br or Cl and Y denotes H, COOR or --COOC.sub.2 H.sub.4 OR (R: alkyl), or a combination of said at least one quinophthalone derivative and an idigo dye. A dyeing process making use of the above dye and denim cotton yarns thus dyed are also disclosed.

REFERENCES:
patent: 3023213 (1962-02-01), Richter
patent: 3770746 (1973-11-01), Blackwell et al.
patent: 4199317 (1980-04-01), Serex et al.
patent: 4820685 (1989-04-01), Murata
E. R. Trotman, "Dyeing and Chemcal Technology of Texile Fibres," (Wiley-Interscience), Sixth edition, 1984, p. 420.
Heinrich Zollinger, "Color Chemistry," (VCH Publishers), 1987, p. 52.

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