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A method for preparing multifunctional composite zno/in coated glass

A multifunctional and coating technology, which is applied in the field of preparing multifunctional composite ZnO/In coated glass, can solve the problems of affecting appearance, large dependence, and inconspicuous effect, and achieves low cost, enhanced hydrophobicity, and reduced production cost Effect

Active Publication Date: 2015-08-19
CENT SOUTH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this self-cleaning method is highly dependent on sunlight, and the effect is not obvious in places where the sunlight is not strong, and due to TiO 2 The super water absorption will cause water stains on the surface after drying, which will affect the appearance

Method used

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  • A method for preparing multifunctional composite zno/in coated glass
  • A method for preparing multifunctional composite zno/in coated glass
  • A method for preparing multifunctional composite zno/in coated glass

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] 1) Preparation of the seed layer precursor solution: Dissolve 21.95g of zinc acetate and 0.44g of indium chloride in 100mL of water, add 14g of aniline and stir, and disperse for 15min under ultrasonic power of 20KHz to obtain the seed layer precursor solution;

[0061] 2) Coating film: Spin coating is used to coat the precursor solution on the surface of the glass substrate. The specific process of spin coating is as follows: the spin coating temperature is 27°C, the dropping time is 18s, and the coating speed is 1800r / min. The glue equalization time is 20s; then dry to a dry film in a constant temperature drying oven at 60°C, and repeat the above coating and drying process 15 times;

[0062] 3) Heat treatment: raise the coated substrate from room temperature to 360°C at a rate of 50°C / min in an air atmosphere, keep it warm for 15 minutes, and then cool with the furnace;

[0063] 4) Configuration of hydrothermal solution: Dissolve 2.195g of zinc acetate and 0.063g of i...

Embodiment 2

[0066] 1) Preparation of seed layer precursor solution: Dissolve 21.95g of zinc acetate and 0.44g of indium chloride in 100mL of water, add 14.1g of hexamethylenetetramine, stir, and disperse for 20min under ultrasonic power of 20KHz to obtain Seed layer precursor solution;

[0067] 2) Coating film: The precursor solution is coated on the surface of the glass substrate by pulling coating, and the specific process of pulling coating is as follows: the pulling temperature is 25°C, the falling speed is 6mm / min, and the pulling speed is 0.6mm / min. min, the residence time in the solution is 3min; then dry to a dry film in a constant temperature drying oven at 60°C, and repeat the above coating and drying process 5 times;

[0068] 3) Heat treatment: heat the coated substrate from room temperature at 50°C / min to 200°C in an air atmosphere, keep it warm for 10 minutes, and then cool it in the furnace;

[0069] 4) Configuration of the hydrothermal reaction solution: Dissolve 2.195g of...

Embodiment 3

[0072] 1) Preparation of seed layer precursor solution: Dissolve 29.75g of zinc nitrate and 0.44g of indium chloride in 100mL of water, add 14.1g of hexamethylenetetramine and stir, and disperse for 10min under ultrasonic power of 20KHz to obtain Seed layer precursor solution;

[0073] 2) Coating film: the precursor solution is coated on the surface of the glass substrate by pulling coating, and the specific process of pulling coating is as follows: the pulling temperature is 25°C, the falling speed is 4mm / min, and the pulling speed is 1mm / min , the residence time in the solution is 5min; then dry to a dry film in a constant temperature drying oven at 80°C, and repeat the above coating and drying process 10 times;

[0074] 3) Heat treatment: raise the coated substrate from room temperature to 300°C at a rate of 50°C / min in an air atmosphere, keep it warm for 10 minutes, and then cool it in the furnace;

[0075] 4) Configuration of the hydrothermal solution: Dissolve 2.975g of...

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Abstract

The invention discloses a method for preparing multifunctional composite ZnO / In coating glass. The method comprises steps: a precursor solution is prepared first, surfaces of glass matrix are coated with the precursor solution by the dip coating method or the spin coating method and dried, and the above coating and drying processes are repeated until the required thickness of the obtained film is met. The coated glass matrix is heated to 200-360 DEG C from the room temperature under an air atmosphere, baked at constant temperature and cooled with a furnace. The baked glass matrix is placed in a hydrothermal solution and subjected to hydrothermal reaction. After the hydrothermal reaction, ZnO 0.95-0.994 In 0.005-0.060 coating glass is obtained. The method employs simple devices, has advantages of short production cycle, low cost and no pollution during production, and can be produced for industry. The multifunctional composite ZnO / In coating glass is advantaged by transparency, good heat insulation effects, complete ultraviolet ray blocking and good self-cleaning ability, and can be used widely.

Description

technical field [0001] The invention relates to a method for preparing multifunctional composite ZnO / In coated glass, belonging to the field of modified coatings. Background technique [0002] With the development of national economy and modern technology, more and more people pay attention to environmental protection and energy saving. Higher requirements are also put forward for glass films, such as heat insulation, transparency, UV protection, self-cleaning and so on. [0003] In terms of transparent heat insulation and UV protection, there are mainly products such as metal-coated heat-reflective glass and various heat-reflective films on the market, but these products also have some problems, for example: metal-coated heat-reflective glass has good heat insulation effect, but Its insufficient light transmission will cause the burden of daily lighting and produce "light pollution" of buildings. [0004] At present, ITO coating is mainly used for liquid crystal display a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C17/23
Inventor 段学臣朱奕漪黄丽华段文杰刘梓琪
Owner CENT SOUTH UNIV
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