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Dihydric alcohol type active dye ink

A technology of reactive dyes and diols, applied in the field of textile printing, can solve the problems of easy hydrolysis of reactive pigments, poor performance stability, and poor moisture retention, and achieve the effects of improving stability, good moisture retention, and avoiding delamination

Inactive Publication Date: 2019-03-19
QINGDAO UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the above-mentioned technical problems, the present invention provides a kind of dibasic alcohol reactive dye ink, by adopting multiple dibasic alcohols to coordinate, synergistic promotion, solved the poor performance stability of existing dibasic alcohol reactive dye ink, active pigment Easy to hydrolyze and poor moisture retention

Method used

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  • Dihydric alcohol type active dye ink
  • Dihydric alcohol type active dye ink
  • Dihydric alcohol type active dye ink

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A kind of dibasic alcohol reactive dye ink, comprises the following raw materials measured by mass parts:

[0017]

[0018] Wherein, the buffer is Na 2 HPQ 4 and citric acid; the pH value of the reactive dye ink is adjusted to 6.5-7.3 by the buffering agent. The surfactant is a naphthalenesulfonic acid surfactant.

[0019] The preparation method of the above-mentioned reactive dye ink: take ethylene glycol, 1,3-propanediol, 1,2-hexanediol ethanol and diethylene glycol in proportion and mix evenly, add active pigment, stir well, and then add buffer, surface The active agent and deionized water are fully stirred at 55° C. for 25-30 minutes, mixed evenly, and then filtered through a 600-mesh gauze to obtain a reactive dye ink.

Embodiment 2

[0021] A kind of dibasic alcohol reactive dye ink, comprises the following raw materials measured by mass parts:

[0022]

[0023]

[0024] Wherein, the buffer is Na 2 HPQ 4 and citric acid; the pH value of the reactive dye ink is adjusted to 6.5-7.3 by the buffering agent. The surfactant is a naphthalenesulfonic acid surfactant.

[0025] The preparation method of the above-mentioned reactive dye ink: take ethylene glycol, 1,3-propanediol, 1,2-hexanediol ethanol and diethylene glycol in proportion and mix evenly, add active pigment, stir well, and then add buffer, surface The active agent and deionized water are fully stirred at 55° C. for 25-30 minutes, mixed evenly, and then filtered through a 600-mesh gauze to obtain a reactive dye ink.

Embodiment 3

[0027] A kind of dibasic alcohol reactive dye ink, comprises the following raw materials measured by mass parts:

[0028]

[0029] Wherein, the buffer is Na 2 HPQ 4 and citric acid; the pH value of the reactive dye ink is adjusted to 6.5-7.3 by the buffering agent. The concentration of dihydric alcohol in the reactive dye ink is controlled at 2.8-3.3mol / L. The surfactant is a naphthalenesulfonic acid surfactant.

[0030] The preparation method of the above-mentioned reactive dye ink: take ethylene glycol, 1,3-propanediol, 1,2-hexanediol ethanol and diethylene glycol in proportion and mix evenly, add active pigment, stir well, and then add buffer, surface The active agent and deionized water are fully stirred at 55° C. for 25-30 minutes, mixed evenly, and then filtered through a 600-mesh gauze to obtain a reactive dye ink.

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Abstract

The invention discloses dihydric alcohol type active dye ink. The active dye ink comprises the raw materials of active pigments, ethylene glycol, 1,3-propanediol, 1,2-hexanediol ethanol, diethylene glycol, a buffer agent, a surfactant, and deionized water. The active pigments in the active dye ink are prepared by mixing glycol and 1,3-propylene glycol in a proportion of 1 to 1, so that the durability of the dye ink can be improved, and the dye ink has good moisture preserving property, K / S value and color fixation rate; meanwhile, by adding 1,3-hexanediol, on one hand, the stability of the inkcan be improved by virtue of 1,3-hexanediol as an ink solvent, the surface tension of the dye ink can be adjusted by virtue of 1,3-hexanediol as a surface tension regulator, the viscosity of the inkcan be adjusted, and the decrease of the color fixation rate of the ink in the storage process can be improved; and by adding diethylene glycol, a hydrogen bond generated by diethylene glycol and water is relatively strong and is unlikely to be broken, so that the layering of the active dye link can be avoided.

Description

technical field [0001] The invention relates to the field of textile printing, in particular to a dihydric alcohol reactive dye ink. Background technique [0002] Ink quality directly determines the quality of printed textile products. The ink is mainly divided into two types: paint type and dye type. Since the paint is insoluble in water, it is easy to block the nozzle. It needs to be ground and added with an effective dispersant to make it well dispersed, so the production process is complicated. , the price is high. Compared with it, the main advantages of dye-based inks are: bright colors, low cost, good ink stability, and not easy to clog the nozzles. Dye-based digital inkjet printing inks can be divided into reactive dyes, acid dyes, direct dyes and disperse dyes according to the types of dyes. Due to the current popularity of cotton fabrics, reactive dye inks have high research value. In addition to reactive dyes and double distilled water, its main components also...

Claims

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Application Information

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IPC IPC(8): D06P1/38D06P1/651D06P1/673D06P1/653
CPCD06P1/38D06P1/65118D06P1/65131D06P1/6533D06P1/67366
Inventor 房宽峻石振覃蕊蔡玉青郝龙云王蕊
Owner QINGDAO UNIV
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