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Disperse red dye composition

A technology of dye composition and disperse red, which is applied in the direction of organic dyes, etc., can solve the problems of environmental pollution, affecting textile dyeing wet fastness, thermal migration fastness and water washing fastness, etc., and achieves washing fastness Good, excellent dyeing performance, excellent fastness performance

Inactive Publication Date: 2005-06-29
ZHEJIANG LONGSHENG GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disperse dyes currently available on the market cannot meet the printing and dyeing needs of such textiles well: their thermal migration fastness and water washing fastness are not ideal, which affects various wet fastnesses of textile dyeing, and also brings pollution to the surrounding environment

Method used

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  • Disperse red dye composition
  • Disperse red dye composition
  • Disperse red dye composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～7

[0020] According to the data shown in Table 1, dye monomer A, dye monomer B, auxiliary agent (dispersant MF (methyl naphthalene sulfonate formaldehyde condensate), diffusing agent CNF (benzyl naphthalene sulfonate formaldehyde condensate), Diffusion agent NNO (naphthalene sulfonate formaldehyde condensate), sodium lignin sulfonate) is mixed with water, ground and dispersed with a grinder, and then spray-dried.

[0021] Example

Embodiment 8～13

[0023] According to the data shown in Table 2, dye C (commercial dye, monomer A content 45.45%, the rest are auxiliary agents), dye D (commercial dye, monomer B content 32%, the rest are auxiliary agents), auxiliary agent (dispersion Agent MF (methylnaphthalenesulfonate formaldehyde condensate), diffusing agent CNF (benzylnaphthalenesulfonate formaldehyde condensate), diffusing agent NNO (naphthalenesulfonate formaldehyde condensate)) add water and blend, then grind with a grinder dispersed, then spray dried;

[0024] Example

Embodiment 14

[0026] Take 0.5 grams of the disperse dyes prepared in Examples 1 to 13 and disperse them in 500 milliliters of water, absorb 20 milliliters and mix them with 60 milliliters of water, adjust the pH of the dyeing bath to 5 with acetic acid, heat up to 70°C and put 2 grams of polyester at the same time. / Cotton cloth is dyed, the temperature is raised from 70°C to 130°C within 30 minutes, kept for 30 minutes, and sampling is started when it is cooled to 90°C. The national standards GB / T3921-1997, GB / T3920-1997, GB / T8427-1998, GB / T5718-1997 were used to test the color fastness to washing, rubbing, light and sublimation respectively. The test results are shown in Table 3.

[0027] Example name

[0028] Example 6

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Abstract

The invention relates to a combiner of compound azo color, mainly be comprised of monomer of color A shown as (I) (4-32%) and monomer of color B shown as (II) (3-20%) and others as assistant . The compound dispersed red color is especially suitable for coloring polyester materials, yarn and dye printing, with outstanding coloring performance in high temperature and stability such as resistance to sunshine, sublimation and washing.

Description

(1) Technical field [0001] The present invention relates to a monoazo dye composition. (2) Background technology [0002] From the current situation of textile fabrics, the proportion of fabrics composed of various fibers is increasing year by year, such as some domestic high-end fabrics, including polyester blended fabrics. The disperse dyes currently available on the market cannot meet the printing and dyeing needs of such textiles well: their thermal migration fastness and water washing fastness are not ideal, which affects various wet fastnesses of textile dyeing, and also brings pollution of the surrounding environment. (3) Contents of the invention [0003] In order to overcome the deficiencies of existing disperse dyes, the object of the present invention is to provide a disperse red dye composition with high dye uptake, good washing fastness, excellent fastness, and low heat migration resistance, which is suitable for multi-fiber composite fabrics such as Dyeing ...

Claims

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Application Information

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IPC IPC(8): C09B67/36C09B67/38
Inventor 阮伟祥姜火标
Owner ZHEJIANG LONGSHENG GROUP
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