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Mixtures of reactive dyes and their use

A technology of dyes and alkaline conditions, applied in the direction of reactive dyes, azo dyes, organic dyes, etc., can solve the problem that the dyeing performance of reactive dyes cannot be fully satisfied

Active Publication Date: 2007-12-26
CIBA SPECIALTY CHEM HLDG INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In many cases, the dyeing performance of reactive dyes is not sufficient to meet the requirements arising, especially when dyeing very dark shades

Method used

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  • Mixtures of reactive dyes and their use
  • Mixtures of reactive dyes and their use
  • Mixtures of reactive dyes and their use

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0164] Example 1: At 60°C, 100 parts of cotton fabric are introduced into a dye bath containing 0.6 parts of a dye of formula (101), 5.4 parts of a dye of formula (102) and 60 parts of sodium chloride in 1000 parts of water.

[0165]

[0166] After allowing it to be at 60° C. for 45 minutes, 20 parts of soda ash powder were added thereto. The temperature of the dye bath was maintained at 60° C. for an additional 45 minutes. The dyed fabric is then washed and dried in a conventional manner. A navy blue dyeing with good fastness properties is obtained.

Embodiment 2

[0167] Example 2: Proceed as in Example 1, but replace 0.6 parts of the dye of formula (101) with 0.6 parts of the dye of formula (103), and replace 5.4 parts of the dye of formula (102) with 5.4 parts of the dye of formula (104),

[0168]

[0169]

[0170] Navy blue dyeings with good fastness properties were likewise obtained.

Embodiment 3 to 59

[0171] Examples 3 to 59: Proceed as in Example 1, but replace 0.6 parts of the dye of formula (101) with 0.6 parts of the dye of the formula,

[0172]

[0173] where D 1 xy and D 2 xy Each corresponding to the groups shown in Table 1 and defined in Table 2, also gave navy blue dyeings with good fastness properties.

[0174] Table 1:

[0175] Example

[0176] 20

[0177] 54

[0178] Table 2:

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Abstract

The invention relates to a dye of formula 2aa and its use for dyeing and printing of fiber materials containing hydroxyl group or nitrogen, wherein X represents halogen, Z5 and Z6 are ethenyl or CH2-CH2-U group respectively and independently, and U is a group which can be removed in alkaline condition.

Description

[0001] This application is a divisional application of an invention patent application, the application date of its parent case is March 24, 2004, the application number is 200480009038.X (PCT / EP2004 / 050353), and the invention name is "reactive dye mixture and its application". technical field [0002] The present invention relates to reactive dye mixtures suitable for dyeing or printing nitrogen-comprising or hydroxyl-comprising fibrous materials and producing dyeings or prints having good overall fastness properties. Background technique [0003] The dyeing industry has recently placed higher and higher demands on the quality of dyeing and the profitability of the dyeing process. Therefore, there is a constant need for new dye compositions which are readily available and which have good properties, especially with regard to their application. [0004] Dyeing today requires reactive dyes that have, for example, sufficient direct dyeing power and at the same time easy wash-...

Claims

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Application Information

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IPC IPC(8): C09B62/513C09B62/09D06P1/38D06P3/58D06P3/02
Inventor A・茨卡斯G・勒恩特根
Owner CIBA SPECIALTY CHEM HLDG INC