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Electrostatic spraying paint with high water resistance

An electrostatic spraying and coating technology, applied in coatings and other directions, can solve problems such as poor water resistance and limit the application of electrostatic spraying coatings, achieve excellent hydrophobicity and oleophobicity, reduce temperature, and overcome the effect of high curing temperature

Inactive Publication Date: 2017-05-17
TIANCHANG JINLING ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the electrostatic spray coatings used in the market are mainly oil-based alkyd amino paints and acrylic paints. In the process of use, there are defects of poor water resistance, which limits the application of electrostatic spray coatings.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A high water-resistant electrostatic spray coating proposed by the present invention, its raw materials include by weight: 100 parts of water-based epoxy resin, 50 parts of acrylic acid 1H,1H,2H,2H-perfluorodecyl ester, 3 parts of terpene resin, phenolic resin 17 parts of resin, 3 parts of modified amine curing agent, 10 parts of heavy calcium carbonate, 3 parts of nano-carbon fiber, 20 parts of 1H,1H,2H,2H-perfluorooctyltrichlorosilane modified montmorillonite, precipitation method 3 parts of barium sulfate, 11 parts of boron nitride, 2 parts of expanded vermiculite, 8 parts of magnesium silicate, 2 parts of polytetrafluoroethylene, 1.3 parts of leveling agent, 0.1 part of defoamer, 2.8 parts of hydroxymethyl cellulose, 0.2 parts of tridecafluorooctyltriethoxysilane, 5 parts of triethylene glycol monobutyl ether, and 20 parts of water;

[0017] Wherein, the modified amine curing agent is prepared according to the following process: mix 4-dodecylphenol and 4,4'-diaminod...

Embodiment 2

[0019] A high water-resistant electrostatic spray coating proposed by the present invention, its raw materials include by weight: 100 parts of water-based epoxy resin, 20 parts of acrylic acid 1H, 1H, 2H, 2H-perfluorodecyl ester, 10 parts of terpene resin, phenolic resin 8 parts of resin, 12 parts of modified amine curing agent, 2 parts of heavy calcium carbonate, 10 parts of nano-carbon fiber, 5 parts of 1H,1H,2H,2H-perfluorooctyltrichlorosilane modified montmorillonite, precipitation method 15 parts of barium sulfate, 3 parts of boron nitride, 14 parts of expanded vermiculite, 1 part of magnesium silicate, 11 parts of polytetrafluoroethylene, 0.2 parts of leveling agent, 1 part of defoamer, 0.5 parts of hydroxymethyl cellulose, Tridecafluorooctyltriethoxysilane 1.5 parts, triethylene glycol monobutyl ether 2 parts, water 45 parts;

[0020] Wherein, the modified amine curing agent is prepared according to the following process: mix 4-dodecylphenol and 4,4'-diaminodiphenylmeth...

Embodiment 3

[0022] A high water-resistant electrostatic spray coating proposed by the present invention, its raw materials include by weight: 100 parts of water-based epoxy resin, 43 parts of acrylic acid 1H, 1H, 2H, 2H-perfluorodecyl ester, 5 parts of terpene resin, phenolic resin 15 parts of resin, 5 parts of modified amine curing agent, 8 parts of heavy calcium carbonate, 5 parts of nano-carbon fiber, 16 parts of 1H,1H,2H,2H-perfluorooctyltrichlorosilane modified montmorillonite, precipitation method 10 parts of barium sulfate, 11 parts of boron nitride, 8 parts of expanded vermiculite, 7.3 parts of magnesium silicate, 5 parts of polytetrafluoroethylene, 1.0 parts of leveling agent, 0.7 parts of defoaming agent, 2 parts of hydroxymethyl cellulose, Tridecafluorooctyltriethoxysilane 0.7 parts, triethylene glycol monobutyl ether 3.1 parts, water 25 parts;

[0023] Wherein, the modified amine curing agent is prepared according to the following process: uniformly mix 4-dodecylphenol and 4,4...

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PUM

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Abstract

The invention discloses electrostatic spraying paint with high water resistance. The paint comprises the following raw materials: aqueous epoxy resin, acrylic acid 1H,1H,2H,2H-perfluorodecyl ester, terpene resin, phenolic resin, a modified amine curing agent, ground calcium carbonate, nanometer carbon fiber, 1H,1H,2H,2H-perfluorooctyltrichlorosilane modified montmorillonite, precipitation method barium sulfate, boron nitride, expanded vermiculite, magnesium silicate, polytetrafluoroethylene, a levelling agent, an antifoaming agent, hydroxymethyl cellulose, 1H,1H,2H,2H-perfluorooctyltriethoxysilane, triethylene glycol monobutyl ether, and water. The electrostatic spraying paint with high water resistance has the advantages of excellent water resistance, good adhesive force for substrates, and good heat dissipation.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a high water-resistant electrostatic spray coating. Background technique [0002] Electrostatic spraying is a spraying method that uses a high-voltage electrostatic electric field to make negatively charged paint particles move in the direction opposite to the electric field, and adsorb the paint particles on the surface of the workpiece. Due to its high utilization rate, it can realize mechanization, automation, and assembly line The advantages of production, strong adhesion, smooth coating surface, small roughness, and little pollution to the environment have gradually replaced the traditional painting process in recent years. At present, the electrostatic spray coatings used in the market are mainly oil-based alkyd amino paints and acrylic paints, which have the disadvantage of poor water resistance during use, which limits the application of electrostatic spray coatings. C...

Claims

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Application Information

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IPC IPC(8): C09D4/02C09D4/06C09D7/12
CPCC09D4/06C09D7/61C09D7/62C09D7/63C09D7/65C09D7/70
Inventor 茆文斌
Owner TIANCHANG JINLING ELECTRONICS
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