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Dispersive dye composition

A technology of disperse dyes and compositions, applied in the direction of organic dyes, etc., can solve the problems of poor dye fastness, increased specific surface area of ​​superfine fibers, and fast adsorption of dyes by superfine fibers.

Inactive Publication Date: 2007-03-21
ZHEJIANG LONGSHENG GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Superfine polyester fiber has excellent silk-like and wool-like properties such as soft hand feeling and good drapability, and has become the main fabric of high-end clothing today. However, compared with ordinary polyester fiber dyeing, there are the following problems: superfine fiber absorbs dyes quickly , the level dyeing property is poor; the specific surface area of ​​microfiber increases, and it is not easy to dye deep; the dyeing amount required for superfine fiber dyeing is large, and the color fastness caused by too much floating color is poor.

Method used

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  • Dispersive dye composition
  • Dispersive dye composition
  • Dispersive dye composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] 30 grams of dye A (R 1 , R 2 Be the formula (I) compound of ethyl), 4 grams of dyestuff B (R 3 , R 4 Be the formula (II) compound of methyl), 6 grams of dye C, 10 grams of dye D, 68 grams of dispersant Reax85A and 140 grams of pure water carry out micronization (doing dispersion treatment) with sand mill together, spray drying again, gained Disperse dye compositions can be used to obtain blue shades when printing and dyeing fabrics.

Embodiment 2～14

[0030] According to the preparation method of embodiment 1, dyestuff A (R 1 , R 2 is the formula (I) compound of ethyl), dyestuff B (R 3 , R 4 is the formula (II) compound of methyl), dye C, dye D, dye E (R 5 , R 6 Be the formula (V) compound of methoxy ethyl), dye F, dye G and dye H, and 68 gram Reax 83A, 140 gram pure water are blended into the disperse dye composition of the present invention, and the results are as follows:

[0031] Example

Embodiment 15

[0033] 25 g of dye A (R 1 , R 2 Be the formula (I) compound of methoxyethyl), 5 grams of dyestuff B (R 3 , R 4 Be the formula (II) compound of ethyl), 8 gram dyes C, 12 gram dyes D, 68 gram dispersants Reax 85A and 140 gram pure water carry out micronization (do dispersion process) with sand mill together, then spray dry, The obtained disperse dye composition can obtain a blue tone when printing and dyeing fabrics.

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Abstract

The present invention relates to a kind of monoazo dye composition including dye A shown in expression (I), dye B shown in expression (II), dye C shown in expression (III) and dye D shown in expression (IV). The dispersive dye composition is used in dyeing superfine polyester fiber material and has the features of high dye uptake, excellent dye fastness, high repeatability, high dyeing uniformity, etc.

Description

(1) Technical field [0001] The present invention relates to a monoazo dye composition. (2) Background technology [0002] Superfine polyester fiber has excellent silk-like and wool-like properties such as soft hand feeling and good drapability, and has become the main fabric of high-end clothing today. However, compared with ordinary polyester fiber dyeing, there are the following problems: superfine fiber absorbs dyes quickly , The level dyeing property is poor; the specific surface area of ​​microfiber is increased, and it is not easy to dye deep; the dyeing amount required for superfine fiber dyeing is large, resulting in poor color fastness caused by too much floating color. Due to the above reasons, higher requirements are put forward for the dyes used in the dyeing of ultrafine polyester fibers. (3) Contents of the invention [0003] The purpose of the present invention is to provide a disperse dye composition with good level dyeing property and excellent color fast...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09B67/38C09B67/36
Inventor 阮伟祥张云保宋瑜
Owner ZHEJIANG LONGSHENG GROUP