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US 6,585,782 B2Granted
Mixtures of reactive dyes and their use
AssigneeEverlight USA, Inc.
InventorsHuei Ching Huang, Mao Cheng Hsu, Bao-Kun Lai, Ya-Chi Tseng
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Abstract
Reactive dye mixtures comprising a black or navy reactive dye and a reactive disazo dye. The reactive dye mixtures of the present invention are suitable for exhaust dyeing, printing, continuous dyeing or discharge printing of a blended or interwoven fabric of cellulose fibres or cellulose nylon blends. The compounds of the present invention display good level dyeing properties, good build up and excellent low nylon cross-dyeing.
Claims7
A reactive dye composition comprising:
- (A) at least one reactive dye having a formula (I)
- wherein Y is —CH═CH2 or —C2H4W, W is a leaving group, R1 and R2 are each independently hydrogen, methyl, ethyl, methoxy, ethoxy or sulfonic acid;
- and
- (B) at least one diazo reactive dye which has a formula (IX),
- wherein
- Y, R1 and R2 are defined as above;
- R5 is amino, —NHC2H4COOH or —NHCOCH3;
- R6 is methyl, ethyl, propel or carboxylic.
5 more elements
Dependencies are inferred from the claim text.