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Water-based single-component automobile paint containing nanometer titanium dioxide and preparation method thereof

A nano-titanium dioxide, one-component technology, applied in the field of automotive paint, can solve the problems of the mechanical properties of the dispersion to be improved, poor leveling, poor appearance, etc., to prevent aggregation, improve smoothness, and improve the effect of comfort

Active Publication Date: 2018-11-23
GUANGDONG YATU CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the water-based polyurethane dispersion prepared by this method is sprayed on the surface of the car, the leveling property is poor, and it is easy to cause poor appearance, and the mechanical properties of the dispersion need to be improved.

Method used

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  • Water-based single-component automobile paint containing nanometer titanium dioxide and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Embodiment 1, a kind of water-based one-component car paint of nano-titanium dioxide

[0038] The water-based one-component automotive paint of nano-titanium dioxide is composed of A component, B component and C component in a volume ratio of 3:6.9:0.1, and the A component includes the following components and parts by weight:

[0039] 30 parts of nano titanium dioxide, 6 parts of copolymer dispersant TEGO 755W containing high pigment affinity groups, 6 parts of modified silica solution, 10 parts of methyl glycol, 0.5 parts of TEGO41000 and 50 parts of water; The particle size of nano-titanium dioxide is 60-80nm;

[0040] The preparation method of described modified silicon dioxide solution is:

[0041] Add the cage-type mesoporous silica nanomaterial into deionized water and stir evenly, the pore diameter of the cage-type mesoporous silica nanomaterial is 55-75nm, and the cage-type mesoporous silica nanomaterial and N-carboxylate The weight ratio of methyl chitosan i...

Embodiment 2

[0049] Embodiment 2, a kind of water-based one-component car paint of nano-titanium dioxide

[0050] The water-based one-component automotive paint of nano-titanium dioxide is composed of A component, B component and C component in a volume ratio of 3:6.9:0.1, and the A component includes the following components and parts by weight:

[0051] 35 parts of nano titanium dioxide, 10 parts of copolymer dispersant TEGO 755W containing high pigment affinity groups, 12 parts of modified silica solution, 15 parts of methyl glycol, 0.8 parts of TEGO 4100 and 44 parts of water; The particle size of nano-titanium dioxide is 60-80nm;

[0052] The preparation method of described modified silicon dioxide solution is:

[0053] Add the cage-type mesoporous silica nanomaterial into deionized water and stir evenly, the pore diameter of the cage-type mesoporous silica nanomaterial is 55-75nm, and the cage-type mesoporous silica nanomaterial and N-carboxylate The weight ratio of methyl chitosan...

Embodiment 3

[0057] Embodiment 3, a kind of water-based one-component car paint of nano-titanium dioxide

[0058] The water-based one-component automotive paint of nano-titanium dioxide is composed of A component, B component and C component in a volume ratio of 3:6.9:0.1, and the A component includes the following components and parts by weight:

[0059] 45 parts of nano titanium dioxide, 12 parts of copolymer dispersant TEGO 755W containing high pigment affinity group, 10 parts of modified silica solution, 18 parts of methyl glycol, 1.4 parts of TEGO 4100 and 30 parts of water; The particle size of nano-titanium dioxide is 60-80nm;

[0060] The preparation method of described modified silicon dioxide solution is:

[0061] Add the cage-type mesoporous silica nanomaterial into deionized water and stir evenly, the pore diameter of the cage-type mesoporous silica nanomaterial is 55-75nm, and the cage-type mesoporous silica nanomaterial and N-carboxylate The weight ratio of methyl chitosan ...

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Abstract

The invention belongs to the technical field of automobile paints, and particularly relates to a water-based single-component automobile paint containing nanometer titanium dioxide and a preparation method thereof. The water-based single-component automobile paint containing the nanometer titanium dioxide mainly consists of a component A, a component B and a component C, wherein the component A mainly consists of nanometer titanium dioxide, a copolymer dispersion agent containing high-pigment affinity groups, a modified silicon dioxide solution, methyl glycol, an organosilane surfactant and water; the component B is an aliphatic polyurethane dispersion; the component C is a polyurethane associative rheological agent. An automobile paint film prepared by the water-based single-component automobile paint containing nanometer titanium dioxide is flat and bright, and has the advantages of obvious gold and yellow phases, good adhesion force, scratching-resistant property, high glossiness, and excellent aging-resistant and anti-ultraviolet properties. The water-based single-component automobile paint containing nanometer titanium dioxide has the advantages that the heat isolation effectis good, the self-cleaning and dirt-resistant properties are good, and the water-based single-component automobile paint is ideal.

Description

technical field [0001] The invention belongs to the technical field of automobile paints, and in particular relates to a water-based one-component automobile paint of nano titanium dioxide and a preparation method thereof. Background technique [0002] Car paint is the paint that is sprayed on the car. Car paint can not only protect, but also decorate. It can form a protective film on the surface of the car body, making the car body not easy to be corroded and scratched, and can prolong the service life of the car body. At the same time, it can also give people A kind of beautiful enjoyment. Because the car has been exposed to wind and rain all year round, extremely high requirements are placed on the performance of the car paint film as the car's protective film. It not only needs to have good mechanical properties, good fullness, high gloss, but also its attached Higher requirements are put forward for strength, hardness, and scratch resistance. At the same time, it need...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/04C09D5/16C09D5/33C09D7/65C09D7/62
CPCC08K2003/2241C08K2201/011C08L2201/08C08L2205/025C09D5/004C09D5/1618C09D5/1687C09D175/04C08L75/04C08K3/22C08K9/04C08K7/26C08K13/06C08K9/12
Inventor 冯兆均阮伟明李耀明伍祺卓施耀良
Owner GUANGDONG YATU CHEM
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