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A kind of water-based nano-ceramic composite coating and coating method thereof

A nano-ceramic and composite coating technology, which is applied in the direction of anti-corrosion coatings, conductive coatings, and devices for coating liquid on the surface, can solve problems such as limited hardness and gloss, impact on use and promotion, and deformation of plastic substrates. Improved scratch resistance, easy processing, and improved acid and alkali corrosion resistance

Active Publication Date: 2018-07-13
国钛(福建)新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Water-based paint is the future development trend, but ordinary water-based paints often have poor water resistance and limited hardness and gloss
Ordinary ceramic coatings, on the one hand, may introduce toxic solvents such as benzene and aldehyde, on the other hand, most of them need to be baked at high temperature, which is likely to cause deformation of the plastic substrate, affecting use and promotion

Method used

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  • A kind of water-based nano-ceramic composite coating and coating method thereof
  • A kind of water-based nano-ceramic composite coating and coating method thereof
  • A kind of water-based nano-ceramic composite coating and coating method thereof

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preparation example Construction

[0016] The preparation method of the invention is as follows: in terms of mass fraction, 5%-15% of water-based acrylic polymer, 5%-20% of silica sol solution, 23-40% of siloxane, 2%-15% and 10% of alcohol -15% deionized water, and a small amount of metal oxides are stirred for 20-60 minutes at normal temperature and pressure in the reactor to generate a neutralization reaction to form a composite resin, and then add 10%-40% of pigments and 0.1%- 5% weak acid, stirring at room temperature and pressure for 5-60 minutes and aging, the preparation of the coating can be completed. After the coating is properly applied, it can be cured by baking at 50-120°C for 10-40 minutes, or at room temperature for 18-30 hours.

[0017] Further, the siloxane of the present invention can be polydimethylsiloxane, hydroxypolydimethylsiloxane, methyltrimethoxysilane, etc.; the acrylic polymer of the present invention can be methyl methacrylate ester, n-butyl methacrylate, tert-butyl cyclohexyl meth...

specific Embodiment 1

[0020] Specific Example 1: A water-based nano-ceramic composite coating of the present invention, in terms of mass fraction, comprises 12% water-based acrylic polymer, 18% silica sol solution, 30% siloxane, 5% ethanol, and 12% deionized water , 1% metal oxide is mixed at room temperature and normal pressure and stirred for 30 minutes, and 15% pigment and 2% weak acid are added and stirred at room temperature and normal pressure for 40 minutes to complete the coating preparation.

specific Embodiment 2

[0021] Specific embodiment 2: A water-based nano-ceramic composite coating of the present invention, in terms of mass fraction, comprises 5% water-based acrylic polymer, 20% silica sol solution, 23% siloxane, 15% methanol, 15% deionized water , 1% metal oxide is mixed at room temperature and normal pressure and stirred for 30 minutes, and 15% pigment and 2% weak acid are added and stirred at room temperature and normal pressure for 40 minutes to complete the coating preparation.

[0022] Specific embodiment 1: A water-based nano-ceramic composite coating of the present invention, in terms of mass fraction, comprises 15% water-based acrylic polymer, 5% silica sol solution, 40% siloxane, 10% isopropanol, 10% siloxane Mixing ionized water and 1% metal oxide at room temperature and normal pressure for 30 minutes, adding 15% pigment and 2% weak acid and stirring at room temperature and pressure for 40 minutes, the coating preparation can be completed.

[0023] Coating method: first...

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PUM

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Abstract

The invention discloses a preparation method of a water-based nano ceramic composite coating. The water-based nano ceramic composite coating is prepared from the following components in parts by mass: 5 to 15 percent of water-based acrylic polymer, 5 to 20 percent of silica sol solution, 23 to 40 percent of siloxane, 2 to 15 percent of alcohols, 10 to 15 percent of deionized water and a trace amount of metal oxide. The preparation method of the casing comprises the following steps: stirring at normal temperature and normal pressure for 20 to 60 minutes by a reactor, and generating reaction to form composite resin; then adding 10 to 40 percent of pigment and 0.1 to 5 percent of weak acid; stirring at the normal temperature and the normal pressure for 5 to 60 minutes and curing, thereby finishing the preparation of the coating.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a water-based nano-ceramic composite coating applied on a plastic substrate and a coating method thereof. Background technique [0002] Plastic parts such as mobile phone casings and home appliance casings require surface coatings. Traditional coatings are mostly oil-based materials, which pose great problems in environmental protection and durability. Water-based paint is the future development trend, but ordinary water-based paint often has poor water resistance and limited hardness and gloss. Ordinary ceramic coatings, on the one hand, may introduce toxic solvents such as benzene and aldehyde, and on the other hand, they often require high temperature baking, which can easily cause deformation of the plastic substrate and affect the use and promotion. SUMMARY OF THE INVENTION [0003] In order to overcome the above-mentioned defects of the prior art, the present invention ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D183/04C09D183/06C09D133/12C09D133/10C09D5/08C09D5/24C09D7/61B05D3/12B05D7/02B05D7/24
CPCB05D3/12B05D7/02B05D7/24B05D2301/00B05D2350/38B05D2502/00C08L2201/04C08L2201/08C09D5/08C09D5/24C09D7/61C09D183/04C09D183/06C08L33/12C08K3/36C08L33/10
Inventor 陈业新
Owner 国钛(福建)新材料有限公司
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