Dye compositions for dyeing denim cotton yarn in a range of colo

Details Dye compositions for dyeing denim cotton yarn in a range of colo Dye compositions for dyeing denim cotton yarn in a range of colo

1989-05-24

1991-07-23

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

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

Sulfur dye or vat dye

8638, 8642, 8649, 8650, 8696, 8918, C09B 702, C09B 6722, D06P 360

Patent

active

050340166

ABSTRACT:
Dyed denim cotton yarns capable of meeting the market demand for color jeans can be provided by immersing denim cotton yarns in a dye bath containing a dye or dye composition comprising a specific indirubin derivative(s), a specific quinophthalone derivative(s) and/or an indigo dye, squeezing and air-oxidizing the dyed yarns, and repeating a series of these steps.

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E. R. Trotman's "Dyeing and Chemical Technology of Textile Fibres", Sixth Edition, (Wiley-Interscience), 1984, pp. 410 and 420.
John Griffiths', "Colour and Constitution of Organic Molecules", (Academic Press), 1976, pp. 199-200.
H. Zollinger in "Color Chemistry", (VCH), 1987, pp. 52 and 153.
Colour Index, Third Edition, (SDC. Dyers and Colourists), 1971, vol. 4, pp. 4602 and 4639.

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