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In-situ polymerization gel spray preparation method and system and application

An in-situ polymerization gel and gel technology, applied in the direction of coating, etc., can solve the problems of simple and quick solutions that cannot meet the needs of infrared shielding, complicated and complicated preparation methods, and high costs, so as to meet the needs of infrared shielding and prepare The method is simple and quick, easy to operate and the effect of industrialization

Pending Publication Date: 2022-03-25
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The preparation methods of the above-mentioned materials are tedious and complicated, and the cost is high, and it is impossible to meet the simple and quick solution to the infrared shielding needs in daily life

Method used

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  • In-situ polymerization gel spray preparation method and system and application
  • In-situ polymerization gel spray preparation method and system and application
  • In-situ polymerization gel spray preparation method and system and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] (1) ATO powder was dispersed in water at a ratio of 10 wt%, and then placed in a cell disruptor for continuous ultrasonic dispersion for 60 min to obtain an ATO dispersion.

[0035] (2) According to lithium chloride 10wt%, acrylamide 30wt%, gum arabic 5wt%, methylenebisacrylamide 0.3wt% (based on acrylamide), 2-hydroxy-4'-(2-hydroxyethoxy) - 5 wt% of 2-methylpropiophenone (based on propionamide), dissolved in 20% (2 / 8, v / v) ethylene glycol solution to obtain a gel precursor solution.

[0036] (3) Mix the ATO dispersion liquid and the gel precursor solution at a ratio of 1 / 9 (v / v), and shake well to obtain the gel spray liquid.

[0037] (4) Put the spray liquid in (3) in a pressurized spray bottle to spray on the surface, and then use an ultraviolet lamp to irradiate the spray liquid to make the spray liquid in-situ cross-linked and polymerized, and endow the sprayed surface with infrared shielding and heat insulation effect.

[0038] Such as figure 1 As shown, the con...

Embodiment 2

[0040] (1) ATO powder was dispersed in water at a ratio of 10 wt%, and then placed in a cell disruptor for continuous ultrasonic dispersion for 60 min to obtain an ATO dispersion.

[0041] (2) According to lithium chloride 10wt%, acrylamide 30wt%, gum arabic 5wt%, methylenebisacrylamide 0.3wt% (based on acrylamide), 2-hydroxy-4'-(2-hydroxyethoxy) - 5 wt% of 2-methylpropiophenone (based on propionamide), dissolved in 20% (2 / 8, v / v) ethylene glycol solution to obtain a gel precursor solution.

[0042] (3) Mix the ATO dispersion liquid and the gel precursor solution according to the ratio of 3 / 7 (v / v), and shake well to obtain the gel spray liquid.

[0043] (4) Put the spray liquid in (3) in a pressurized spray bottle to spray on the surface, and then use an ultraviolet lamp to irradiate the spray liquid to make the spray liquid in-situ cross-linked and polymerized, and endow the sprayed surface with infrared shielding and heat insulation effect.

[0044] Such as figure 2 As s...

Embodiment 3

[0046] (1) ATO powder was dispersed in water at a ratio of 10 wt%, and then placed in a cell disruptor for continuous ultrasonic dispersion for 60 min to obtain an ATO dispersion.

[0047](2) According to lithium chloride 10wt%, acrylamide 30wt%, gum arabic 5wt%, methylenebisacrylamide 0.3wt% (based on acrylamide), 2-hydroxy-4'-(2-hydroxyethoxy) - 5 wt% of 2-methylpropiophenone (based on propionamide), dissolved in 20% (2 / 8, v / v) ethylene glycol solution to obtain a gel precursor solution.

[0048] (3) Mix the ATO dispersion liquid and the gel precursor solution according to the ratio of 5 / 5 (v / v), and shake well to obtain the gel spray liquid.

[0049] (4) Put the spray liquid in (3) in a pressurized spray bottle to spray on the surface, and then use an ultraviolet lamp to irradiate the spray liquid to make the spray liquid in-situ cross-linked and polymerized, and endow the sprayed surface with infrared shielding and heat insulation effect.

[0050] Such as image 3 As sho...

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Abstract

The invention discloses an in-situ polymerization gel spray preparation method and system and application, and the method comprises the following steps: firstly, dispersing nano ATO powder in water, and carrying out ultrasonic dispersion to obtain ATO dispersion liquid; then completely dissolving lithium chloride, acrylamide, Arabic gum, methylene bisacrylamide and 2-hydroxy-4 '-(2-hydroxyethoxy)-2-methyl propiophenone in an ethylene glycol aqueous solution to obtain a gel precursor solution; and finally, mixing the ATO dispersion liquid with the gel precursor solution to obtain the gel spray liquid. The preparation method is simple, convenient, rapid and easy to operate and industrialize, and the prepared infrared shielding gel spray can realize in-situ cross-linking polymerization and is simple, convenient, rapid and wide in application.

Description

technical field [0001] The invention relates to the field of infrared shielding composite materials, in particular to an in-situ polymerization gel spray preparation method, system and application. Background technique [0002] Tin-antimony composite oxide (ATO) is an N-type semiconductor material with high temperature resistance, corrosion resistance, infrared shielding, selective transmission of visible light, and electrical conductivity. It is widely used in heat insulation, anti-static, radiation protection and other fields. [0003] Usually, ATO is prepared together with other components as thermal insulation coatings, which are used for building exterior wall thermal insulation and glass coating thermal insulation. For example, the patent CN102653654A reports that based on nano-ATO powder, ethyl acetate is used as an organic solvent, ACR resin and ball milling media are added, ATO slurry is dispersed by ball milling, and then mixed with PVB base material for high-speed...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D4/06C09D4/02C09D7/61
CPCC09D4/06C09D7/61
Inventor 张晓慧展旺
Owner XI AN JIAOTONG UNIV
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