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Wet transfer printing dye intaglio printing ink and preparation thereof

A technology of wet transfer printing and gravure ink, applied in transfer printing, ink, printing, etc., can solve the problems of dark color and poor color fastness of printed products, reduce wood consumption, shorten production time, and benefit The effect of multiple uses

Inactive Publication Date: 2009-01-21
刘静
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although disperse dye thermal transfer printing can also be used for transfer printing of fibers such as nylon and acrylic fibers, the resulting printed products have dull color and poor color fastness

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The composition and weight percentage of reactive dye gravure ink are: reactive dye (containing s-triazine group) 10%, vinyl chloride-vinyl acetate copolymer 10%, and methyl ethyl ketone 80%.

[0026] The production method is as follows:

[0027] Dye dissolution: Put methyl ethyl ketone in a mixer, slowly add the reactive dye while stirring at low speed, stir until the dye is completely dissolved, turn off the mixer, and let it settle.

[0028] Solution filtration: filter the precipitated reactive dye solution with a screen into the barrel for later use.

[0029] Ink configuration: Put the above-mentioned filtered reactive dye solution in a stirrer, and add vinyl chloride-vinyl acetate copolymer while stirring at low speed. After the vinyl chloride-vinyl acetate copolymer is completely dissolved, continue stirring. The stirring speed can be increased to 1000 rpm, 30 minutes, test the viscosity of the color paste, add methyl ethyl ketone, adjust the viscosity to 10-60s (Zahn...

Embodiment 2

[0031] The composition and weight percentage of reactive dye gravure ink are: reactive dye (containing vinyl sulfone group) 1%, neoprene rubber 1%, and chloroethanol 98%.

[0032] The production method is as follows:

[0033] Dye dissolution: place the chloroethanol in a blender, slowly add the reactive dye while stirring at low speed, stir until the dye is completely dissolved, turn off the blender, and let it settle.

[0034] Solution filtration: filter the precipitated reactive dye solution with a screen into the barrel for later use.

[0035] Ink configuration: Put the filtered reactive dye solution in a stirrer, add neoprene while stirring at low speed, and continue stirring after the neoprene is completely dissolved. The stirring speed can be increased to 1000 rpm for 30 minutes. Test the viscosity of the color paste, add chloroethanol and adjust the viscosity to 10-60s (Zahn viscosity cup No. 3).

Embodiment 3

[0037] The composition and weight percentage of acid dye gravure ink are: strong acid dye 20%, polyamide resin 15%, and diacetone alcohol 65%.

[0038] The production method is as follows:

[0039] Dye dissolution: place diacetone alcohol in a blender, slowly add acid dyes while stirring at low speed, stir until the dye is completely dissolved, turn off the blender, and let it settle.

[0040] Solution filtration: filter the precipitated acid dye solution with a screen into the barrel for later use.

[0041] Ink configuration: Put the filtered acid dye solution in a stirrer, add polyamide resin while stirring at low speed, and continue stirring after the polyamide resin is completely dissolved. The stirring speed can be increased to 1300 rpm for 40 minutes. Test the viscosity of the color paste, add diacetone alcohol, and adjust the viscosity to 10-60s (Zahn viscosity cup No. 3).

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PUM

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Abstract

The invention discloses dye intaglio printing ink for transfer printing by the wet method, comprising the following compositions in weight percentage: 1 to 60 percent of dye, 1 to 20 percent of a bonding material and 20 to 98 percent of a solvent. The invention also discloses a method for preparing dye intaglio printing ink for transfer printing by the wet method . The method comprises three steps, namely dissolving of the dye, filtering of solution and preparing the printing ink. The dye intaglio printing ink for transfer printing by the wet method has the advantages that the manufacturing process of the printing ink is simplified greatly, the manufacturing time of the printing ink is shortened; the hydrolyzation of the dye and the deterioration of the remaining printing ink are avoided, and the printing ink can be used for a plurality of times; the printing ink has good printing adaptability to various common plastic membranes; the gravure printing ink has high quality, an active dye or an acid dye or a positive ion dye printed on the plastic membrane or the paper of a coating separating agent has excellent dissolving performance in the wet state, and the dye intaglio printing ink is suitable for transfer printing process by the wet method.

Description

Technical field [0001] The invention relates to a gravure ink using reactive dyes, acid dyes, and cationic dyes as colorants and a preparation method thereof. The ink can be printed on PET film, BOPP film, PE film, nylon film and paper treated with a release agent. Transfer to the fiber corresponding to the dye in the wet state. Background technique [0002] In transfer printing, disperse dyes are currently used to sublime at high temperatures and are used on hydrophobic fibers such as polyester. Because transfer printing is a technology that combines printing and textile printing, the resulting pattern is fine and can be printed with photo-effect patterns, which can be obtained by non-ordinary screen printing. In addition, transfer printing has less investment, simple process control, and less emissions of three wastes, making it an environmentally friendly process. Therefore, transfer printing is used for cellulose fiber and protein fiber has always been a research focus. Altho...

Claims

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Application Information

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IPC IPC(8): C09D11/02D06P5/24
Inventor 王勇冯建忠
Owner 刘静
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