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High temperature resistant cathode electrophoretic coating and preparation method thereof

A cathodic electrophoretic coating and high temperature resistant technology, applied in the field of coatings, can solve the problems of poor coating film coverage of edges and corners and tips, and achieve the effects of improving swimming penetration, uniform coating film and improving hardness

Inactive Publication Date: 2019-02-22
HEBEI CHENYANG INDAL & TRADE GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the problems that the high temperature resistance and corrosion resistance of the cathodic electrophoretic coating in the prior art need to be further improved and the coverage of the edges and corners of the workpiece and the tip coating film are poor, the present invention provides a high temperature resistant cathodic electrophoretic coating and its preparation method

Method used

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  • High temperature resistant cathode electrophoretic coating and preparation method thereof
  • High temperature resistant cathode electrophoretic coating and preparation method thereof
  • High temperature resistant cathode electrophoretic coating and preparation method thereof

Examples

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Embodiment 1

[0034] The embodiment of the present invention provides a high-temperature-resistant cathodic electrophoretic coating. The raw materials include the following components in parts by weight: 10 parts of color paste, 30 parts of emulsion, and 50 parts of deionized water;

[0035] The color paste includes the following components in parts by mass: 20 parts of acrylic modified cationic silicone resin, 6 parts of n-butanol, 3 parts of oxalic acid, 0.4 parts of alkylphenol polyoxyethylene ether, 45 parts of deionized water, 15 parts of titanium dioxide, 15 parts of bentonite;

[0036] The emulsion comprises the following components in parts by mass: 25 parts of acrylic modified cationic silicone resin, 1 part of FS-204 nonionic surfactant, 0.5 part of oxalic acid and 55 parts of deionized water.

[0037] The above-mentioned acrylic acid-modified cationic silicone resin is calculated in parts by mass, and the raw materials include the following components: 30 parts of silicone resin,...

Embodiment 2

[0046] The embodiment of the present invention provides a high-temperature-resistant cathodic electrophoretic coating. The raw materials include the following components in parts by weight: 10 parts of color paste, 40 parts of emulsion, and 60 parts of deionized water;

[0047] The color paste includes the following components in parts by mass: 30 parts of acrylic modified cationic silicone resin, 3 parts of ethylene glycol ether, 5 parts of sulfamic acid, 0.05 part of alkylphenol polyoxyethylene ether, deionized water 30 parts, 15 parts of chrome yellow 7000 and 20 parts of barium sulfate;

[0048] The emulsion comprises the following components in parts by mass: 30 parts of acrylic modified cationic silicone resin, 5 parts of polypropylene glycol PPG1000 emulsifier, 2 parts of sulfamic acid and 35 parts of deionized water.

[0049] The above-mentioned acrylic modified cationic silicone resin is calculated in parts by mass, and the raw materials include the following componen...

Embodiment 3

[0058] The embodiment of the present invention provides a high-temperature-resistant cathodic electrophoretic paint. The raw materials include the following components in parts by weight: 10 parts of color paste, 50 parts of emulsion, and 40 parts of pure water;

[0059] The color paste includes the following components in parts by mass: 40 parts of acrylic modified cationic silicone resin, 10 parts of dipropylene glycol methyl ether and ethylene glycol hexyl ether (mass ratio is 2:1), 0.5 parts of lactic acid, alkane 0.8 parts of phenolic polyoxyethylene ether, 40 parts of deionized, 15 parts of titanium dioxide, 10 parts of talcum powder;

[0060] The emulsion comprises the following components in parts by mass: 35 parts of acrylic modified cationic silicone resin, 3 parts of nonylphenol polyoxyethylene ether TX-15, 5 parts of lactic acid and 40 parts of deionized water.

[0061] The above-mentioned acrylic acid-modified cationic silicone resin is calculated in parts by mass...

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Abstract

The invention discloses a high temperature resistant cathode electrophoretic coating and a preparation method thereof. The coating is prepared from color paste, emulsion and deionized water in a massratio of 1:(3-5):(4-6), wherein the color paste is prepared from the following components in parts by mass: 20-40 parts of acrylic modified cationic organic silicon resin, 3-10 parts of environment-friendly co-solvent, 0.5-5 parts of a neutralizing agent, 0.05-0.8 part of surfactant, 30-45 parts of deionized water and 25-35 parts of color filler; and the emulsion is prepared from the following components in parts by mass: 25-35 parts of acrylic modified cationic organic silicon resin, 1-5 parts of an emulsifying agent, 0.5-5 parts of a neutralizing agent and 35-55 parts of deionized water. Thehigh temperature resistant cathode electrophoretic coating has good high temperature resistance, high throwing power, high hardness, strong adhesive force, excellent chemical corrosion resistance, has low content of VOC, is safe and environment-friendly, and has a relatively high practical value.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a high-temperature-resistant cathodic electrophoretic coating and a preparation method thereof. Background technique [0002] Electrophoretic coating is a water-soluble organic coating with positive or negative charges, which is uniformly dispersed in aqueous solution at a relatively dilute concentration, and the conductive workpiece (coated object) is used as the cathode (or anode). The metal plate or carbon plate is used as the anode (or cathode), and under certain process conditions, a direct current is passed between the two electrodes, so that the electrophoretic coating is evenly deposited on the workpiece to form a water-insoluble organic coating film. After drying and curing at a certain temperature, an organic coating film with high hardness is obtained, which plays the role of anti-corrosion and surface decoration. [0003] Cathodic electrophoretic coatings have attra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/04C09D5/44C09D7/61C08F283/12C08F220/32C08G18/63
CPCC08F283/124C08G18/635C09D5/18C09D5/4465C09D5/4492C08F220/325
Inventor 刘东郭晓猛程璐胡中源董立志
Owner HEBEI CHENYANG INDAL & TRADE GROUP CO LTD
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