Nanometer composite coating and preparation method thereof

A nano-composite and coating technology, applied in the field of nano-composite coatings and their preparation, can solve the problems of unsatisfactory formaldehyde elimination effect of air purification coatings, incompatibility between photoinitiators and resin systems, and difficulty in controlling the dosage. , to achieve the effect of improving catalytic oxidation of formaldehyde, improving self-cleaning performance, and expanding layer spacing

Inactive Publication Date: 2019-01-15
广东华科新材料研究院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, with the air pollution caused by interior decoration, traditional building materials are further required to have antibacterial and air-purifying functions. Although air-purifying coatings have also appeared on the market, the formaldehyde elimination effect of these air-purifying coatings is not ideal. Under the irradiation of ultraviolet rays, the air purification effect can be achieved
Therefore, it is not suitable for the elimination of indoor formaldehyde in residential houses, and it is difficult to control the amount of photoinitiator in the coating, and there will be problems of excessive photoinitiator migration after photoinitiation reaction and incompatibility between photoinitiator and resin system or Disadvantages of poor compatibility

Method used

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  • Nanometer composite coating and preparation method thereof
  • Nanometer composite coating and preparation method thereof

Examples

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Effect test

Embodiment 1

[0025] The nanocomposite material of this embodiment includes the following components by weight: 50 parts of composite nano diatomite, 30 parts of composite photocatalyst, 8 parts of polyphenylene sulfone resin, 5 parts of cross-linked alcoholamine cellulose, hydrogen oxide 6 parts of aluminum, 4 parts of dimethyl tin laurate.

[0026] The nanocomposite material of the present embodiment is prepared by the following method:

[0027] Step 1: Mix the composite nano diatomite, composite photocatalyst and aluminum hydroxide into a magnetic stirrer and stir for 3 hours, then disperse with ultrasonic waves for 50 minutes to obtain a mixture A;

[0028] Step 2: Add polyphenylene sulfone resin, cross-linked alkanolamine cellulose and deionized water to a magnetic stirrer, heat in a water bath to 65°C, stir and mix for 60 minutes to obtain a mixed solution B;

[0029] Step 3: Add the mixed solution B and dimethyl tin laurate to the mixed solution A in sequence, stir magnetically for ...

Embodiment 2

[0041] The only difference between this implementation and Example 1 is that the mass ratio of library clay and diatomite in the composite nano-diatomite is Faku clay: diatomite=1:3; the mass ratio of composite photocatalyst titanium dioxide and antimony trioxide Titanium dioxide: antimony trioxide = 3:6

Embodiment 3

[0043] The only difference between this implementation and Example 1 is that the mass ratio of library clay and diatomite in the composite nano-diatomite is Faku clay: diatomite=1:5; the mass ratio of composite photocatalyst titanium dioxide and antimony trioxide Titanium dioxide: antimony trioxide = 3:7

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Abstract

The invention provides a nanometer composite coating. The nanometer composite coating comprises, by weight, 40-60 parts of composite nanometer diatomite, 20-40 parts of a composite photocatalyst, 6-10parts of polyphenylene sulfone resin, 4-6 parts of ECTEOLA-cellulose, 4-8 parts of aluminum hydroxide and 3-5 parts of dimethyltin laurate. According to the invention, composite nanometer diatomite is adopted, so bonding force between diatomite layers is weakened, a specific surface area and adsorption capacity are significantly improved, and the water resistance and cathodic disbonding resistance of the coating are improved; composite photocatalysis can improve the self-cleaning performance of the coating, so the disadvantage that a single photocatalyst cannot utilize visible light in sunlight is overcome, and the catalytic oxidation ability of the composite photocatalyst is improved; and the coating is environmentally friendly, non-toxic and non-polluting.

Description

technical field [0001] The invention relates to the field of coatings, in particular to a nanocomposite coating and a preparation method thereof. Background technique [0002] Paint is a traditional building material, and the function of paint is generally decoration and protection. However, with the air pollution caused by interior decoration, traditional building materials are further required to have antibacterial and air-purifying functions. Although air-purifying coatings have also appeared on the market, the formaldehyde elimination effect of these air-purifying coatings is not ideal. Under the irradiation of ultraviolet rays, the air purification effect can be achieved. Therefore, it is not suitable for the elimination of indoor formaldehyde in residential houses, and it is difficult to control the amount of photoinitiator in the coating, and there will be problems of excessive photoinitiator migration after photoinitiation reaction and incompatibility between photoi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D181/06C09D101/02C09D7/62C09D7/61
CPCC09D7/62C09D181/06C09D7/61C08K2003/2241C08L1/02C08K13/06C08K9/02C08K3/34C08K3/346C08K3/22C08K3/2279
Inventor 何捷娴尹荔松王向科潘申黄锦照
Owner 广东华科新材料研究院有限公司
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