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Direct-injection acid dye digital printing ink and application thereof

A technology of acid dyes and digital printing, applied in application, ink, dyeing, etc., to achieve the effect of inhibiting ink seepage, optimizing wastewater treatment, and improving printing clarity

Pending Publication Date: 2022-03-04
SUZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it has not been reported to apply it to digital printing ink to solve the bleeding problem.

Method used

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  • Direct-injection acid dye digital printing ink and application thereof
  • Direct-injection acid dye digital printing ink and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Take 20 copies of acidic dyes, 0.5 dispersants, 20 parts of polyol moisturizing solvent, 0.6 pH buffer solution, 10 temperature sensitive gel materials, 1.2 parts of the wetting agent, 0.5 cases of preservative, 0.8 parts of surfactant and 0.8 parts of deionized water 46.4 copies.

[0030]In this example, according to the technical solution disclosed in the preparation of temperature-sensitive hydrogel and preparation method based on chemical crosslinked gel particles, the preparation of temperature-sensitive hydrogels, and polyethylene glycol is preparative. One of the agent, hexide, lactide, and algegin, or their copolymers are raw materials, tin tin as a catalyst, and the polymerization reaction obtains a block copolymer; the polyethylene glycol is a monohydroxy group Polyethylene glycol, bishydroxy polyethylene glycol or multi-arm polyallow, polyethylene glycol has a molecular weight of 500 to 5,000, preferably molecular weights 1000 to 2000, particularly preferably bet...

Embodiment 2

[0046] The temperature-sensitive gel material was prepared according to the method provided in Example 1. Other raw materials are the same as in Example 1.

[0047] Take 20 parts of acidic dye, 0.5 parts of the dispersant composition, 20 parts of the polyol moisturizing solvent, 0.6 pH buffer solution, 20 parts of the temperature sensitive gel material, 1.2 parts of the wetting agent, 0.5 cases of preservative, 0.8 surfactants and 0.8 parts of the surfactant 36.4 parts of ion water; put deionized water, acidic dyes, temperature-sensitive gel materials, etc. in sequence, stirred in the container, high speed at a speed of 75 minutes at a speed of 700 rpm, and filtered the stirred material, first using a pore diameter of 0.8 um filter, After filtration of 0.45 um filter, the filtrate was filtered with a pore diameter of 0.22 um filtration, and the finished ink was obtained as a 4% sample.

[0048] Heat the nylon fabric to 63 degrees Celsius, the ink is heated to 30 degrees Celsius, a...

Embodiment 3

[0050] The temperature-sensitive gel material was prepared according to the method provided in Example 1. Other raw materials are the same as in Example 1.

[0051] Take 20 parts of acidic dye, 0.5 parts of the dispersant composition, 20 parts of the polyol moisturizing solvent, 0.6 pH buffer solution, 30 temperature sensitive gel materials, 1.2 wetting agent, 0.5 cases of preservative, 0.8 parts of surfactant 26.4 parts of ion water; deposit water, acidic dyes, temperature-sensitive gel materials, etc. in sequence, stirred in a container, at a high speed of 75 minutes, filtered after stirring, and then filtered with a pore size of 0.8 um filter, first. The filtration was filtered again, and finally filtered with a pore diameter of 0.22 um filtration, and the finished ink was obtained as a 6% sample.

[0052] Heat nylon fabrics to 60 degrees Celsius, the ink is heated to 30 degrees Celsius, and printing using a Plante digital printing machine.

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Abstract

The invention relates to direct-injection acid dye digital printing ink and application thereof. The ink is prepared from the following components in parts by weight: 10 to 35 parts of acid dye, 1 to 3 parts of dispersing agent, 10 to 30 parts of polyol moisturizing solvent, 0.05 to 1.2 parts of pH buffer solution, 10 to 50 parts of temperature-sensitive gel material, 1 to 2 parts of wetting agent, 0.2 to 1 part of preservative, 0.2 to 1 part of surfactant and 6 to 60 parts of deionized water, the ink is in a solution state with the viscosity of 1-20 centipoise seconds under the condition that the temperature is lower than the gel temperature, and is in a gel state with the gel temperature of 30-60 DEG C under the condition that the temperature is higher than the gel temperature. According to the invention, a safe and environment-friendly temperature-sensitive gel material is added into the ink, and during digital printing processing, the temperature of the fabric is reasonably controlled, so that ink drops are subjected to gelation conversion after being inked on the fabric, ink permeation is inhibited under the condition of not carrying out any pretreatment, and the quality of a digital printing product is improved while the process flow is shortened.

Description

Technical field [0001] The present invention relates to the field of digital printing techniques, and more particularly to an acid dye digital printing ink and its applications. [0002] technical background [0003] After the traditional dye printing process, high-temperature steaming will consume a large amount of water, electricity, coal, steam and labor, and will produce mixed sewage containing a large amount of slurry, dye and other compounds after washing, and high sewage treatment. At present, there is a poorly degrade in domestic enterprises, and may contain toxic, harmful substances. The wastewater emissions of the printing and dyeing industry account for 70% of the whole industry. How to effectively handle printing and dyed wastewater and achieve resource, facing great challenges . At the same time, there are more than 2,000 dye varieties produced in my country, and more than 800 varieties of dyes produced all year round, acid dyes are one of the important classification...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06P1/39D06P3/24D06P1/52D06P5/30C09D11/328C09D11/30
CPCD06P1/39D06P3/241D06P1/5271D06P5/30C09D11/328C09D11/30
Inventor 孙小诗李燕宁尚猛杨梦刘冉胡懿晗常广涛李若欣
Owner SUZHOU UNIV
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