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Single azo based pyridine ketone dye and preparation method and application thereof

A technology of monoazopyridone and dyes, applied in monoazo dyes, azo dyes, dyeing methods, etc., can solve the problems of poor thermal migration fastness and sublimation fastness, and achieve dry cleaning and sun resistance Effects of fastness, color stability, affinity enhancement

Inactive Publication Date: 2016-04-20
HANGZHOU FLARIANT SPECIALTY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The invention provides a monoazopyridone dye, which solves the problems of poor thermal migration fastness and poor sublimation fastness of the monoazopyridone dye in the prior art

Method used

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  • Single azo based pyridine ketone dye and preparation method and application thereof
  • Single azo based pyridine ketone dye and preparation method and application thereof
  • Single azo based pyridine ketone dye and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] In this embodiment, a monoazopyridone dye has a structural formula as shown in formula (I-1):

[0036]

[0037] The preparation method of this monoazo pyridone dye is:

[0038] 1) Mix water, methyl cyanoacetate and phenoxyethoxypropylamine at a volume ratio of 1:1:2 at 50-55°C for 2 hours, then add methyl acetoacetate and raise the temperature to 85-90°C for reaction In 12 hours, the coupling component shown in formula (1) was obtained:

[0039]

[0040] 2) Add 33g of nitrosyl sulfuric acid into a 100ml flask, control the temperature at 10-30°C, slowly add 16.8g of 2-nitro-4methoxyaniline into the flask, and keep warm until the diazo complete (a small amount to clear and transparent in ice water is qualified), and obtain the diazonium salt;

[0041] 3) Add 400mL of water, 80mL of sodium acetate, and 60mL of coupling components to a 1000ml beaker, stir until completely dissolved, add ice to control the temperature at about 0°C, slowly add the prepared diazonium s...

Embodiment 2

[0043] In this embodiment, a monoazopyridone dye has a structural formula as shown in formula (I-2):

[0044]

[0045] The preparation method of the monoazopyridone dye refers to Example 1.

Embodiment 3

[0047] A monoazo pyridone dye in this embodiment has a structural formula as shown in formula (I-3):

[0048]

[0049] The preparation method of the monoazopyridone dye refers to Example 1.

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Abstract

The invention discloses a single azo based pyridine ketone dye and a preparation method and application thereof. The structural formula of the single azo based pyridine ketone dye is as shown in formula (I). A pyridine ring of a coupled component of the single azo based pyridine ketone dye is provided with a substituent group (the formula can be found in the description), the ether group and polyester fibers in the substituent group have good appetency, the attached dye is not prone to transference from the interior of the fibers to the surface of the fibers even at a high temperature, color change does not happen easily, other fabrics are not stained easily in the ironing process, and thermal migration fastness and sublimation fastness of the dye are greatly improved through the large molecular weight and the ether group so that fabrics can maintain good dyefastness; besides, electron withdrawing substituents such as a methoxy group, nitryl and chlorine elements are introduced to the para-position of a diazo group of the diazo component of the single azo based pyridine ketone dye, or the nitryl is introduced to the meta-position of the diazo group, so that the color of the single azo based pyridine ketone dye is deepened; meanwhile, the nitryl or the chlorine elements is / are introduced to the ortho-position of the diazo group, and the hyperchromic effect is further improved.

Description

technical field [0001] The invention relates to a disperse dye, in particular to a monoazo pyridone dye and a preparation method and application thereof. Background technique [0002] After entering the 21st century, the competition in the world's textile market has become increasingly fierce. Southeast Asia's economy has become synonymous with low cost and high growth, and the textile industry business in Europe and the United States has also accelerated its transfer to Asia. In order to adapt to the situation of fierce competition in the textile market, it has become the common goal of textile enterprises to continuously reduce the production cost of textiles, continuously improve product quality, and continuously reduce environmental loads. [0003] Disperse dyes have very low solubility in water, very fine particles, and are dispersed in the dye solution. They are non-ionic dyes and are mainly used for polyester dyeing with high color fastness. Among them, disperse yell...

Claims

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Application Information

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IPC IPC(8): C09B29/42C09B29/01D06P1/18D06P1/19D06P3/54
CPCC09B29/3626C09B29/0003D06P1/18D06P1/19D06P3/54
Inventor 李百春陈望全
Owner HANGZHOU FLARIANT SPECIALTY
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