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A kind of preparation method of the water-based coating that adjusts high insulation surface resistance

A technology for insulating surfaces and water-based coatings, applied in the direction of conductive coatings, coatings, etc., can solve the problems of electrical insulators that cannot be electrostatically sprayed, ambient humidity, high temperature requirements, and lack of timeliness, so as to achieve environmental protection and sustainability The effect of development, low cost, wide application value and industrial prospect

Inactive Publication Date: 2016-07-06
TIANJIN XIANGSHENG NEW MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method requires the workpiece to be sprayed immediately after adjusting the moisture content, which requires high environmental humidity and temperature, and the operation is cumbersome, energy-consuming and not time-sensitive
In addition, electrical insulators such as plastics, ceramics and glass cannot be electrostatically sprayed

Method used

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  • A kind of preparation method of the water-based coating that adjusts high insulation surface resistance
  • A kind of preparation method of the water-based coating that adjusts high insulation surface resistance

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] A preparation method for adjusting a water-based coating with high insulating surface resistance, the steps are as follows:

[0037] (1) Preparation of solution A: Add 0.90 g of polyvinylpyrrolidone into 10.0 g of pure water, and keep the temperature at 40°C for 30 hours to completely dissolve the polyvinylpyrrolidone. Add 0.20 mL of aniline monomer and 0.40 g of p-toluenesulfonic acid into the above aqueous solution of polyvinylpyrrolidone, and stir evenly to obtain A solution.

[0038] (2) Preparation of solution B: add 0.61 g of ammonium persulfate into 4.0 g of pure water, and stir until completely dissolved to obtain solution B.

[0039](3) Put the two solutions of A and B in a constant temperature tank, and when the temperature is adjusted to -5°C, quickly mix and stir the A and B solutions until uniform, and polymerize at a constant temperature of -10°C for 16 hours.

[0040] (4) Mix the above-mentioned mixed solution and pure water according to the mass ratio o...

Embodiment 2

[0044] A preparation method for adjusting a water-based coating with high insulating surface resistance, the steps are as follows:

[0045] (1) Preparation of solution A: Add 1.0 g of polyvinyl alcohol into 10.0 g of pure water, and keep the temperature at 70°C for 30 hours to completely dissolve the polyvinyl alcohol. Add 0.20 mL of aniline monomer and 0.40 g of p-toluenesulfonic acid into the above aqueous solution of polyvinyl alcohol, and stir evenly to obtain A solution.

[0046] (2) Preparation of solution B: add 0.61 g of ammonium persulfate into 4.0 g of pure water, and stir until completely dissolved to obtain solution B.

[0047] (3) Put the two solutions of A and B in a constant temperature tank, and when the temperature is adjusted to -10°C, quickly mix and stir the A and B solutions until uniform, and polymerize at a constant temperature of -10°C for 16 hours.

[0048] (4) Mix the mixed solution obtained above with pure water at a weight ratio of mixed solution: ...

Embodiment 3

[0052] A preparation method for adjusting a water-based coating with high insulating surface resistance, the steps are as follows:

[0053] (1) Preparation of solution A: Add 0.90 g of polyvinylpyrrolidone into 10.0 g of pure water, and keep the temperature at 40°C for 30 hours to completely dissolve the polyvinylpyrrolidone. Add 0.20 mL of aniline monomer and 0.49 g of naphthalenesulfonic acid into the above aqueous solution of polyvinylpyrrolidone, and stir evenly to obtain A solution.

[0054] (2) Preparation of solution B: add 0.61 g of ammonium persulfate into 4.0 g of pure water, and stir until completely dissolved to obtain solution B.

[0055] (3) Put the two solutions of A and B in a constant temperature tank, and when the temperature is adjusted to -5°C, quickly mix and stir the A and B solutions until uniform, and polymerize at a constant temperature of -10°C for 16 hours.

[0056] (4) Mix the mixture obtained above with pure water at a mass ratio of 1:3, and stir ...

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Abstract

The invention relates to a preparation method of a water-based paint for adjusting high insulating surface resistance. The steps are as follows: adding a dispersant into pure water to completely dissolve the dispersant to obtain an aqueous solution of the dispersant; adding aniline monomer and protonic acid to the above dispersant In the aqueous solution, stir evenly to obtain solution A; add the oxidant to pure water and stir until completely dissolved to obtain solution B; place solution A and solution B in a constant temperature tank, quickly mix solution A and solution B and stir until uniform, Polymerize at a constant temperature of -10 to 20°C for 10 to 20 hours to obtain a mixed solution; mix the mixed solution with pure water and stir until uniform to obtain a water-based coating with adjusted high insulation surface resistance. The water-based paint that the inventive method prepares can adjust the surface resistance of wood, plastics, pottery and glass to 10 3 ~10 10 Ωcm -2 , not limited by ambient humidity and temperature, the resistance of the high-insulation surface can be kept in the required range for a long time, and can be kept stable for two years, which has wide application value and industrial prospects.

Description

technical field [0001] The invention belongs to the technical field of coatings, and relates to water-based coatings, in particular to a preparation method of water-based coatings for adjusting high insulation surface resistance. Background technique [0002] At present, electrostatic spraying is an important construction technology with the fastest development in powder coating. It requires that the workpiece to be coated must be a good conductor of electricity, and the charge on the workpiece should be exported in time. However, for insulator workpieces, the charge will accumulate on the surface of the workpiece to inhibit the powder on the workpiece. Therefore, it is not possible to use the electrostatic spraying process to spray on the insulator. [0003] It is already known that insulating surfaces can be pretreated, such as aqueous solutions of ionic compounds and non-water can make insulating surfaces conductive, so the electrostatic spraying process can be successfu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D179/02C09D5/24C09D7/12C08G73/02
Inventor 张海瑞曹雨
Owner TIANJIN XIANGSHENG NEW MATERIALS CO LTD
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