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Aqueous pigment ink composition

A technology of water-based pigments and compositions, applied in inks, applications, household appliances, etc., can solve the problems of easy pollution to the environment, large amount of colorant usage, high process cost, etc., and achieve good color fastness to sunlight.

Inactive Publication Date: 2019-03-05
DOUBLE BOND CHEM IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The traditional printing process needs to make a screen first, then apply ink on the screen, and transfer the pattern to the fabric through the screen to complete the printing. However, because a single screen can only transfer one pattern, the process The cost is high, and the amount of colorant used is large, which is easy to cause pollution to the environment

Method used

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  • Aqueous pigment ink composition
  • Aqueous pigment ink composition
  • Aqueous pigment ink composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Embodiment 1: magenta water-based pigment ink composition

[0020] Prepare a magenta water-based pigment ink composition, which includes 30wt% pigment red 122 dispersion (15wt% pigment red 122 is dispersed in water), 15wt% glycerin, 10wt% polyurethane (polyurethane resin, as adhesive) (purchased from LIDYE CHMICAL), 0.08wt% of 1,2-benzisothiazol-3-one (as an antibacterial agent) (purchased from FOXIDE), 0.02wt% of organosiloxane (as a defoamer) (purchased from ) and 1wt% acetylene surfactant (purchased from NISSIN CHEMICAL), and the remaining components are water.

Embodiment 2

[0021] Embodiment 2: cyan water-based pigment ink composition

[0022] Prepare the cyan water-based pigment ink composition, which includes 25wt% pigment blue 15:4 dispersion (20wt% pigment blue 15:4 is dispersed in water), 43.9wt% glycerol, 10wt% polyurethane adhesive, 0.08wt% 1,2-benzisothiazol-3-one, 0.02wt% organosiloxane and 1wt% acetylene surfactant, and the rest is water.

Embodiment 3

[0023] Embodiment 3: yellow aqueous pigment ink composition

[0024] Prepare the yellow water-based pigment ink composition, which includes 30wt% pigment yellow 155 dispersion (20wt% pigment yellow 155 is dispersed in water), 43.9wt% glycerin, 10wt% acrylic polymer colloid dispersion (as adhesive) (purchased from LUBRIZOL), 0.08wt% of 1,2-benzisothiazol-3-one, 0.02wt% of organosiloxane and 1wt% of acetylene surfactant, and the remaining ingredients are water.

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Abstract

The invention relates to an aqueous pigment ink composition. The aqueous pigment ink composition comprises: 15 wt%-30 wt% of an aqueous pigment dispersion, 10 wt%-50 wt% of glycerol, 0.5 wt%-1 wt% ofsurfactant, antibacterial agent with the amount greater than 0 wt% and less than 0.1 wt%, defoamer with the amount greater than 0 wt% and less than 0.1 wt%, 10 wt%-20 wt% of adhesive and water. The aqueous pigment ink composition of the invention has suitable physical properties such as average particle size, viscosity, surface tension and acid-base number, can be applied to a digital printing machine, has better operation effect, and ensures that the formed printing has better quality; moreover, when the ink is applied to the fabric, the ink will have a better color fastness, and even after illumination, immersion, soaping or rubbing, the ink will not fall off from the fabric significantly, and the printing formed by the aqueous pigment ink composition can have a better quality.

Description

technical field [0001] The invention relates to a water-based pigment ink composition, especially a water-based pigment ink composition used for fabrics. Background technique [0002] The traditional printing process needs to make a screen first, then apply ink on the screen, and transfer the pattern to the fabric through the screen to complete the printing. However, because a single screen can only transfer one pattern, the process The cost is high, and the amount of colorant used is relatively large, which is likely to cause pollution to the environment. [0003] Therefore, digital printing (digital textile printing, DTP) has been developed in the related field. Computer software is used to make digital patterns to replace the production of screen plates, and then ink-jet methods are used to form patterns corresponding to digital images on fabrics. Digital images are easy to make and easy to modify, which makes digital printing very flexible, and is therefore widely used....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/322D06P1/52D06P1/673D06P3/82D06P5/30
CPCC09D11/322D06P1/5285D06P1/673D06P3/8223D06P5/30
Inventor 周世祐
Owner DOUBLE BOND CHEM IND
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