Environment-friendly flexographic ink

An offset printing ink, environmental protection technology, applied in ink, household utensils, applications, etc., can solve problems such as pollution and environmental hazards, achieve good environmental compatibility, broaden the application field and the scope of application

Inactive Publication Date: 2009-09-16
苏州科德教育科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Most of these colorants are prepared from chemical raw materials through chemical reactions. Some pigments containing heavy metals and organic synthetic dyes are very harmful to the human body and the environment, and they are pollution sources that cannot be ignored.

Method used

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  • Environment-friendly flexographic ink
  • Environment-friendly flexographic ink

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0029] Embodiment The preparation of the yellow ink of environmental protection offset printing of the present invention

[0030] Preparation:

[0031] Vegetable dye Turmeric 2.4kg,

[0032] Liquid connecting material 6.6kg,

[0033] Viscosity regulator linseed oil 0.3kg,

[0034] Dispersant (nonionic surfactant) 0.35kg,

[0035] Light stabilizer 0.35kg, adopt HTUV100 type anti-ultraviolet finishing agent (triazine derivative).

[0036] Preparation Process:

[0037] It is divided into two stages: stirring pre-dispersion and grinding fine dispersion.

[0038] An example of the preparation of this ink is as follows:

[0039] In the mixing pot, according to the above ratio, add the liquid binder, turn on the mechanical stirring, then add the vegetable dye turmeric, and stir for 30 minutes. Then add dispersant non-ionic surfactant and stir for 40-60 minutes, so that the vegetable dye is gradually wetted and dispersed by the binder, and becomes a slurry with good fluidity. ...

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PUM

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Abstract

The invention relates to an environment-friendly flexographic ink, which comprises a coloring agent, a bonding material, a viscosity regulator and a dispersant; the coloring agent is natural plant dye; the weight contents of the compositions are 10 to 30 weight portions of the plant dye, 45 to 70 weight portions of the liquid bonding material, 1 to 5 percent of the viscosity regulator and 1 to 6 weight portions of the dispersant; the bonding material comprises natural plant oil, mineral oil and natural or synthetic resin; and the viscosity regulator is plant oil or viscosity reductant, the plant oil is selected from Chinese wood oil, flax oil or soybean oil, and the viscosity reductant is aluminium salt, low-viscosity alkyd or paraffin oil. The vegetable dye takes pure natural plants as raw materials, has reproducing property and good ecological environmental protection property, and has no harm to human bodies and environment so as to reduce the pollution of the ink to the environment.

Description

[0001] The invention relates to ink used for printing, in particular to an environmentally friendly offset printing ink. Background technique [0002] In daily life, most of the food bags, food containers, toilet paper towels, napkins, and printed materials that people use in large quantities that may come into direct contact with the human body are printed with patterns, advertisements, or text, etc., and the ink used for printing contains colorants, colorants Can be pigment or dye. [0003] Pigments are various colored, black or white highly dispersed powders that are insoluble in water or organic solvents. They are divided into two categories: inorganic pigments and organic pigments: inorganic pigments include natural inorganic pigments and artificial inorganic pigments. Artificial inorganic pigments are colored Metal oxides or some insoluble metal salts, natural inorganic pigments are mineral pigments. Organic pigments are mainly synthetic colored organic compounds. Ther...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/06C09D11/08C09D11/10C09D11/037
Inventor 吴贤良肖学俊
Owner 苏州科德教育科技股份有限公司
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