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Preparation method of semitransparent grey environment-friendly ink

An ink and gray technology, which is applied in the field of semi-transparent gray environmental protection ink and its preparation, can solve the problems such as the limitation of ink use, and achieve the effects of reducing surface tension, good bright effect and strengthening grinding effect.

Active Publication Date: 2014-07-16
SUZHOU ANJIE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the use of these inks is increasingly restricted due to environmental, health and safety concerns

Method used

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  • Preparation method of semitransparent grey environment-friendly ink
  • Preparation method of semitransparent grey environment-friendly ink
  • Preparation method of semitransparent grey environment-friendly ink

Examples

Experimental program
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Effect test

preparation example Construction

[0030] The semi-transparent gray environmental protection ink of the present invention contains 28.0-32.0 parts by weight of Seiko 1000-800 varnish, 1.3-1.5 parts by weight of black pigment, 8.5-8.7 parts by weight of white pigment, and 25.0-28.0 parts by weight of organic Silicon-modified acrylic resin, 15.0 to 25.0 parts by weight of glycidyl methacrylate, 8.0 to 10.0 parts by weight of triethylcitric acid, and 50 to 60 parts by weight of a mixed solvent; wherein, the mixed solvent is composed of n-butanol , n-butyl acetate and acetone; and the n-butanol is 25-30 parts by weight, the n-butyl acetate is 12-15 parts by weight, and the acetone is 13-15 parts by weight. The plasticized ink also includes additives as required, and the additives are at least one selected from wetting agents, brighteners, antioxidants, stabilizers or defoamers. Ink of the present invention is prepared by the following method, and the preparation method comprises the following steps:

[0031] (1) 1...

Embodiment 1

[0037] The translucent gray environmental protection ink described in the present embodiment has a viscosity of about 80,000 to 150,000 centipoise, and it contains the following components in parts by weight:

[0038]

Embodiment 2

[0040] The semi-transparent gray environmental protection ink described in the present embodiment has a viscosity of about 30,000 to 50,000 centipoise, and it contains the following components in parts by weight:

[0041]

[0042]

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PUM

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Abstract

The invention relates to a preparation method of semitransparent grey environment-friendly ink. The preparation method comprises the following steps: (1) fully mixing a diluent with part of mixed solvent in a stirring manner, and dissolving the diluent to prepare a disperse solution; (2) fully mixing pigments with the disperse solution in a stirring manner, and wetting the pigments to prepare first mixed liquor; (3) fully mixing a hardening agent with the remaining mixed solvent in a stirring manner, and dissolving the hardening agent to prepare second mixed liquor; (4) fully mixing the first mixed liquor, the second mixed liquor, gloss oil, plasticizers and optional additives in a stirring manner to obtain mixed feed liquor; (5) milling the mixed feed liquor by adopting a sand mill to obtain the ink with fineness less than 5mu m. By adopting the preparation method, the surface tension between the pigments and resin can be reduced, the wettability of the pigments and resin can be improved, the ink milling effect can be reinforced, the dispersion time can be reduced, and the ink has good brightening effect and proper viscosity.

Description

technical field [0001] The invention belongs to the technical field of printing ink, and more specifically, the invention relates to a semi-transparent gray environmental protection ink and a preparation method thereof. Background technique [0002] Ink is an important material for printing packaging materials. It expresses patterns and characters on the substrate through printing. The ink includes main components and auxiliary components. They are evenly mixed and rolled repeatedly to form a viscous colloidal fluid. Printing ink is a paste-like colloid formed by uniformly dispersing and mixing materials such as colorants, linking materials, additives, and solvents. The binder of solvent-based ink is composed of solid resin and a large amount of volatile organic solvent. After the solid resin is dissolved in the solvent, the coloring material is evenly dispersed in the binder, and after the ink is printed on the printing medium, the solvent quickly evaporates and dries the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/10
Inventor 王春生
Owner SUZHOU ANJIE TECH
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