SGL-BR of blue active azo dye and preparation thereof

A technology of SGL-BR and azo dyes, used in azo dyes, reactive dyes, organic dyes, etc., which can solve the problems of poor lifting power, poor dye solubility, and inability to dye dark colors.

Inactive Publication Date: 2005-10-26
赵卫国
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] There is a problem with the dyeing levelness of this dye. If it is not handled properly, it will produce stains and spots. At the same time, the dye has poor solubility and poor lifting power, so it cannot be used to dye dark colors.

Method used

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  • SGL-BR of blue active azo dye and preparation thereof
  • SGL-BR of blue active azo dye and preparation thereof
  • SGL-BR of blue active azo dye and preparation thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Embodiment one: take by weighing 18.5 parts of cyanuric chloride and condense with 28.1 parts of p-(β-hydroxyethylsulfone sulfate) aniline and 21.1 parts of m-bis respectively, and condense the diazonium salt of the condensate with 35.8 parts of H acid Coupled with 29.7 parts of 1.5 acid diazonium salt alkali, membrane treatment and spray drying to get a green light blue dye.

Embodiment 2

[0034] Embodiment two: take by weighing 18.5 parts of cyanuric chloride and carry out condensation with 21.1 parts of metabis and 28.1 parts of p-(β-hydroxyethyl sulfone sulfate) aniline respectively, and the diazonium salt of the condensate and 35.8 parts of H acid Coupled with 29.7 parts of 1.5 acid diazonium salt alkali, membrane treatment and spray drying to get a red light blue dye.

Embodiment 3

[0035] Embodiment three: take by weighing 18.5 parts of cyanuric chloride and condense with 36.1 parts of p-(β-hydroxyethyl sulfone sulfate) aniline o-sulfonic acid and 21.1 parts of meta-bis respectively, and condense the diazonium salt of the condensate with 35.8 parts H acid acid couple and 29.7 parts of 1.5 acid diazonium salt base couple, film treatment and spray drying make a kind of blue dye that is greener than Example 1.

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PUM

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Abstract

The present invention relates to a blue active azo dye SGL-BR. Said invention also provides its structure formula. Said dye can be simple compound, also can be mixture formed several compounds, and its preparation method includes the following steps: firstly, making cynauric chloride be respectively condensed with the compounds containing sulfonic acid group or ethyl sulfone surface aniline and resorcin, the making the condensate undergo the process of diazotisation, and be acid-coupled with H acid, finally making the acid-coupled product couple with 1.5 acid diazo salt. Said dye is suitable for dyeing and printing cotton fibre, and has good fastness.

Description

technical field [0001] The invention relates to a blue reactive azo dye SGL-BR and its preparation. Background technique [0002] At the end of the 1980s, Sumitomo Corporation of Japan invented a blue dye with dual active groups, and its structural formula is as follows: [0003] [0004] There is a problem with the dyeing levelness of this dye. If it is not handled properly, it will produce stains and spots. At the same time, the dye has poor solubility and poor lifting power, so it cannot be used to dye dark colors. Contents of the invention [0005] In order to solve the above problems, the present invention provides a blue reactive azo dye SGL-BR with stable performance, high solubility and the ability to dye dark colors and a preparation method thereof. [0006] The structural formula of a kind of blue reactive azo dye SGL-BR of the present invention is as follows: [0007] [0008] (1) X is a group that can be converted into a vinyl group [0009] (2) R=H, S...

Claims

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Application Information

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IPC IPC(8): C09B62/453
Inventor 赵卫国苏金奇鞠苏华王国民杨军
Owner 赵卫国
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