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Cathode electrophoretic coating and preparation method thereof

A cathodic electrophoretic paint and colorant technology, applied in the paint field, can solve the problems of scratch resistance and heat resistance paint adhesion, etc., to increase smoothness, wear resistance and crack resistance, heat resistance, and increase smoothness The effect of increasing hardness

Inactive Publication Date: 2021-12-21
枣阳市旺前电泳涂料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to make up for the above deficiencies, the application provides a cathodic electrophoretic coating and its preparation method, aiming to refer to the cathodic electrophoretic coating in the related art, which usually has poor scratch resistance and heat resistance and poor adhesion of the coating on the surface of the workpiece after it is made. The problem

Method used

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  • Cathode electrophoretic coating and preparation method thereof

Examples

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Comparison scheme
Effect test

Embodiment 1

[0025] A kind of cathodic electrophoretic coating, its raw material is as follows according to mass percentage: resin 36%, pigment 6%, mixed solvent 8%, deionized water 50%, resin is the mixture of acrylic resin, epoxy resin and polyurethane, acrylic resin, ring The mixing ratio of oxygen resin and polyurethane is 1: 1: 1, the color material is a mixture of organic solvent, color pigment, body pigment and antirust pigment, the mixing ratio is 1: 1: 1: 1, and the organic solvent is specifically ethylene glycol Alcohol phenyl ether is a colorless transparent liquid used to increase the smoothness and corrosion resistance of coatings. The color pigment is specifically a mixture of carbon black and titanium dioxide. Carbon black is a light, loose and very fine black powder, and titanium dioxide is a White inert pigment, the extender pigment is orthosilicate, with a flake particle structure, its opacity to ultraviolet rays can enhance the crack resistance and durability of the elect...

Embodiment 2

[0030] A kind of cathodic electrophoretic coating, its raw material is as follows by mass percentage: resin 38%, pigment 6%, mixed solvent 9%, deionized water 40%, resin is the mixture of acrylic resin, epoxy resin and polyurethane, acrylic resin, ring The mixing ratio of oxygen resin and polyurethane is 1: 1: 1, the color material is a mixture of organic solvent, color pigment, body pigment and antirust pigment, the mixing ratio is 1: 1: 1: 1, and the organic solvent is specifically ethylene glycol Alcohol phenyl ether is a colorless transparent liquid used to increase the smoothness and corrosion resistance of coatings. The color pigment is specifically a mixture of carbon black and titanium dioxide. Carbon black is a light, loose and very fine black powder, and titanium dioxide is a White inert pigment, the extender pigment is orthosilicate, with a flake particle structure, its opacity to ultraviolet rays can enhance the crack resistance and durability of the electrophoretic...

Embodiment 3

[0037] A kind of cathodic electrophoretic coating, its raw material is as follows by mass percentage: resin 44%, pigment 6%, mixed solvent 10%, deionized water 50%, resin is the mixture of acrylic resin, epoxy resin and polyurethane, acrylic resin, ring The mixing ratio of oxygen resin and polyurethane is 1: 1: 1, the color material is a mixture of organic solvent, color pigment, body pigment and antirust pigment, the mixing ratio is 1: 1: 1: 1, and the organic solvent is specifically ethylene glycol Alcohol phenyl ether is a colorless transparent liquid used to increase the smoothness and corrosion resistance of coatings. The color pigment is specifically a mixture of carbon black and titanium dioxide. Carbon black is a light, loose and very fine black powder, and titanium dioxide is a White inert pigment, the extender pigment is orthosilicate, with a flake particle structure, its opacity to ultraviolet rays can enhance the crack resistance and durability of the electrophoreti...

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Abstract

The invention provides a cathode electrophoretic coating and a preparation method thereof, and belongs to the technical field of electrophoretic coatings. The cathode electrophoretic coating is prepared from the following raw materials in percentage by mass: 35-45% of resin, 5-6% of a pigment, 7-10% of a mixed solvent and 40-55% of deionized water, the resin is a mixture of acrylic resin, epoxy resin and polyurethane, and the mixing ratio of the acrylic resin to the epoxy resin to the polyurethane is 1: 1: 1. The pigment is a mixture of an organic solvent, a container color pigment, an extender pigment and an antirust pigment, the organic solvent is specifically ethylene glycol monophenyl ether, is colorless transparent liquid and is used for improving the smoothness and corrosion resistance of the coating, the extender pigment is orthosilicate and is of a flaky particle structure, and the opacity to ultraviolet rays can enhance the crack resistance and durability of the electrophoretic paint film. When the electrophoretic coating is prepared, the finishing property, wear resistance, crack resistance and heat resistance of the electrophoretic coating can be improved, and meanwhile, the adhesive force of the electrophoretic coating and a workpiece can be increased.

Description

technical field [0001] The present application relates to the field of coatings, in particular to a cathodic electrophoretic coating and a preparation method thereof. Background technique [0002] The cathodic electrophoretic paint is a two-component, one component is a white homogeneous emulsion liquid, and the other component is a gray (or black) pigment slurry. [0003] The production of cathodic electrophoretic coating is mainly formed by high-temperature mixing reaction of epoxy resin, deionized water, corresponding pigments and mixing additives. Referring to the related art, cathodic electrophoretic coating is usually scratch-resistant and heat-resistant and coating The adhesion on the surface of the workpiece is poor. After a long time of use, it is easy to cause scratches on the surface of the film-forming electrophoretic coating, which affects the appearance of the coating. At the same time, due to the poor heat resistance of the coating in the related art, it is ea...

Claims

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Application Information

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IPC IPC(8): C09D133/00C09D163/00C09D175/04C09D5/44C09D7/61C09D7/65
CPCC09D133/00C09D175/04C09D163/00C09D5/4473C09D5/4492C08L75/04C08L63/00C08L33/00
Inventor 王洪涛
Owner 枣阳市旺前电泳涂料有限公司
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