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Shading water-based ink and preparation method thereof

A technology of water-based ink and water-based polyurethane, which is applied in ink, household utensils, applications, etc., can solve the problems of polluting the ecological environment and endangering human health, and achieve the effects of saving energy, reducing production costs, and improving viscosity and stability

Pending Publication Date: 2021-08-27
重庆中才纳米科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the ink wastewater is discharged at will without proper treatment, it will inevitably pollute the ecological environment and endanger human health.
With the society attaching great importance to "green printing", traditional solvent-based inks are obviously unable to meet today's needs, and water-based inks have emerged as the times require.

Method used

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  • Shading water-based ink and preparation method thereof
  • Shading water-based ink and preparation method thereof
  • Shading water-based ink and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] A water-based light-shielding ink, in parts by mass, comprising:

[0046]Polyethylene glycol isophthalate 39.8 parts; Polyethylene terephthalate 17.2 parts; Trimethylolpropane 6 parts; Dimethylethanolamine 1.8 parts; Fatty alcohol polyoxyethylene ether (AE0-9) 1 part; 0.4 part of water-based polyether modified silicone leveling agent (Xinbocheng, SP-941); 0.2 part of polyether modified silicone defoamer; 0.2 part of 2,6-di-tert-butyl-p-cresol 8.4 parts of ethylene glycol butyl ether; 0.2 parts of N-methylpyrrolidone; 10 parts of isophorone; 26 parts of carbon black; 2.4 parts of talcum powder; 7.6 parts of barium sulfate; 78.8 parts of water.

[0047] In addition to trimethylolpropane, chain extenders can also use diethanolamine, triethanolamine, N-methyldiethanolamine, N-ethyldiethanolamine, N-propyldiethanolamine, N-butyldiethanolamine, dimethyl ethanolamine.

[0048] In addition to ethylene glycol butyl ether, alcohol ether solvents can also use ethylene glycol met...

Embodiment 2

[0061] A water-based light-shielding ink, in parts by mass, comprising:

[0062] Polyethylene glycol isophthalate 50 parts; Polyethylene terephthalate 16.6 parts; Trimethylolpropane 10 parts; Dimethylethanolamine 1 part; Fatty alcohol polyoxyethylene ether (AE0-9) 1.2 parts; 0.8 parts of water-based polyether modified silicone leveling agent; 0.4 parts of polyether modified silicone defoamer; 0.4 parts of 2,6-di-tert-butyl-p-cresol; 7 parts of ethylene glycol butyl ether; 0.6 parts of N-methylpyrrolidone; 8 parts of isophorone; 20 parts of carbon black; 4 parts of talcum powder; 10 parts of barium sulfate; 70 parts of water.

[0063] The preparation method is the same as in Example 1.

Embodiment 3

[0065] A water-based light-shielding ink, in parts by mass, comprising:

[0066] 44 parts of polyethylene isophthalate; 20 parts of polyethylene terephthalate; 16 parts of trimethylolpropane; 1.6 parts of dimethylethanolamine; fatty alcohol polyoxyethylene ether (AE0-9) 1.2 parts; 0.4 parts of water-based polyether modified silicone leveling agent; 0.2 parts of polyether modified silicone defoamer; 0.4 parts of 2,6-di-tert-butyl-p-cresol; 7.6 parts of ethylene glycol butyl ether; 4 parts of N-methylpyrrolidone; 5 parts of isophorone; 16 parts of carbon black; 8 parts of talcum powder; 6 parts of barium sulfate; 69.6 parts of water.

[0067] The preparation method is the same as in Example 1.

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Abstract

The invention relates to shading water-based ink which is prepared from the following components in percentage by mass: 28 to 35 percent of waterborne polyurethane resin, 3 to 8 percent of chain extender, 0.2 to 1.5 percent of salt-forming agent, 5 to 15 percent of pigment, 1 to 10 percent of filler, 2 to 11 percent of solvent, 0.5 to 5 percent of additive and 25 to 40 percent of water, wherein the auxiliaries comprise an emulsifier, a flatting agent, a defoaming agent and an antioxidant. According to the invention, through the ratio of the solvent to the resin, the partial problem that the water-based ink is applied to a flexible circuit of a keyboard is solved, especially the problem that the water-based ink is easy to dry in silk-screen printing is solved. Optimization of the preparation process improves the stability of the ink, and gives full play to the covering power of the pigment. Under the condition of low-temperature baking, the water-based ink disclosed by the invention is good in water resistance, stacking anti-sticking test, salt mist resistance, high-temperature and low-temperature test and the like.

Description

technical field [0001] The invention belongs to the field of water-based ink, and relates to a light-shielding water-based ink and a preparation method thereof. Background technique [0002] Printed circuit boards (printed boards for short) are the foundation of the electronic information industry and are interconnects mainly used for the connection of electronic components. It is equipped with various components such as resistors, capacitors, and semiconductor integrated chips through the circuits and soldering parts provided by itself, so as to become an electronic component with certain functions. The software circuit board of the computer keyboard component needs to be printed on the surface. Its main function is to play the role of shading and the same color as the keycap of the computer keyboard, because now the notebook keyboard basically has a backlight. When the light source is turned on, the computer keyboard keys It will emit light, which is convenient for night ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/104C09D11/102C09D11/03
CPCC09D11/104C09D11/102C09D11/03
Inventor 田科
Owner 重庆中才纳米科技有限公司
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