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Nano titanium dioxide modified electrophoretic resin and its electrophoretic paint with high fullness and antibacterial and antiviral properties

A technology of nano-titanium dioxide and electrophoretic resin, applied in biocide-containing paints, electrophoretic coatings, conductive coatings, etc., can solve the problems of unsatisfactory anti-ultraviolet radiation ability, achieve good antibacterial and anti-virus capabilities, high yield, and preparation The effect of simple method

Active Publication Date: 2022-03-29
武汉科利尔电泳涂料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, the anti-ultraviolet radiation ability of the above-mentioned organic montmorillonite modified polyurethane electrophoretic resin is not very ideal

Method used

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  • Nano titanium dioxide modified electrophoretic resin and its electrophoretic paint with high fullness and antibacterial and antiviral properties
  • Nano titanium dioxide modified electrophoretic resin and its electrophoretic paint with high fullness and antibacterial and antiviral properties

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] The preparation process of a polyurethane resin containing hydroxyl functional groups is as follows, which includes adding 2.27% trimethylolpropane, 35.4% epoxy resin, and 4% 1,4-butanediol to the reaction kettle in mass percentages, and the temperature is raised to 55°C , constant temperature reaction for 1 to 3 hours, then continue to drop 43.38% of isophorone diisocyanate into the reactor, keep warm for 1 to 3 hours, add 14.95% of glacial acetic acid, continue to keep warm for about 2 hours, and cool down to obtain a polyurethane resin containing hydroxyl functional groups . The yield reaches 90%.

[0037] The preparation process of a nano-titanium dioxide modified polyurethane resin is as follows, the nano-titanium dioxide with a mass percentage of 45% is dispersed in deionized water at a temperature of about 25°C until uniform; then continue to add 15% propylene glycol, after the dispersion is uniform, slowly drop Add 25% of the hydroxyl functional group-containin...

Embodiment 2

[0039] The preparation process of a polyurethane resin containing hydroxyl functional groups is as follows, which includes adding 3.76% trimethylolpropane, 33.3% epoxy resin, and 0.8% 1,4-butanediol into the reaction kettle in mass percentages, and heating up to 60°C , constant temperature reaction for 1 to 3 hours, then continue to drop 43.38% toluene diisocyanate into the reactor, keep warm for 1 to 3 hours, add 19.03% glacial acetic acid, continue to keep warm for about 2 hours, and cool down to obtain a polyurethane resin containing hydroxyl functional groups. The yield reached 91.2%.

[0040] The preparation process of a kind of nano-titanium dioxide modified polyurethane resin is as follows, the nano-titanium dioxide with a mass percentage of 65% is dispersed in deionized water at a temperature of about 25°C until uniform; then continue to add 3% propylene glycol, after the dispersion is uniform, slowly Add 10% of the hydroxyl functional group-containing polyurethane res...

Embodiment 3

[0042] The preparation process of a polyurethane resin containing hydroxyl functional groups is as follows, which includes adding 3.05% trimethylolpropane, 34.2% epoxy resin and 3.5% 1,4-butanediol into the reaction kettle in mass percentage, and heating up to 60°C , constant temperature reaction 1~3h, then continue to drip the mixture 41.50% of toluene diisocyanate and isophorone diisocyanate in reactor, wherein, the mol ratio between toluene diisocyanate and isophorone diisocyanate is 1: 1. Heat preservation reaction for 1-3 hours, add 17.75% glacial acetic acid, continue heat preservation for about 2 hours, and cool down to prepare polyurethane resin containing hydroxyl functional groups. The yield reached 90.5%.

[0043] The preparation process of a kind of nano-titanium dioxide modified polyurethane resin is as follows, take the nano-titanium dioxide with a mass percentage of 50% and disperse it into the deionized water with a temperature of about 25°C until uniform; then...

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Abstract

The invention discloses a nano-titanium dioxide modified electrophoretic resin and an electrophoretic paint with high plumpness, antibacterial and antiviral properties, and belongs to the technical field of surface coating. The nano-titanium dioxide-modified polyurethane resin comprises the following chemical components in mass percent: hydroxyl functional group-containing polyurethane resin: 10-25%, nano-titanium dioxide: 45-65%, propylene glycol: 3-15%, and the balance is deionized water. The nano-titanium dioxide-modified polyurethane resin is used as one of the reaction raw materials to prepare an electrophoretic resin. The electrophoretic resin has a good surface color and has a certain antibacterial and antiviral ability. Continue to mix the electrophoretic resin with blocked isocyanate, propylene glycol phenyl ether and ethylene glycol butyl ether, and then forcefully shear in water to form an electrophoretic film to obtain an electrophoretic paint. The electrophoretic paint is not only bright and full in surface color, but also has a relatively Good electrical conductivity and antibacterial ability.

Description

[0001] The invention relates to an electrophoretic paint, which belongs to the technical field of surface coating, in particular to a nano-titanium dioxide modified electrophoretic resin and an electrophoretic paint with high plumpness, antibacterial and antiviral properties. Background technique [0002] Cathodic electrophoretic coatings are being applied in industry and developing rapidly, especially the emergence of polyurethane electrophoretic coatings, which exhibit excellent weather resistance and film surface effects, making electrophoretic coatings more and more closely related to human life. However, traditional polyurethane coatings have insufficient plumpness and cannot demonstrate the effect of anti-bacterial technology. In recent years, nano-materials with special functions are usually chosen to be introduced into polyurethane electrophoretic coatings to obtain polymer composites with improved performance, which provides a broader path for the application of polyur...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G18/65C08G18/58C08G18/32C08K3/22C09D5/14C09D5/24C09D5/44C09D175/04C09D175/08
CPCC08G18/6517C08G18/6511C08G18/58C08G18/3206C08K3/22C09D5/24C09D5/14C09D5/4465C08K2201/011C08K2003/2241
Inventor 李再亮申杰李龙魏保峰李阳李再峰
Owner 武汉科利尔电泳涂料有限公司
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