Preparation method of self-cleaning glass

A self-cleaning, glass technology, applied in the direction of coating, etc., can solve the problems of insufficient degradation of organic matter to kill bacteria, poor self-cleaning performance of glass, and limited absorption range, etc., to achieve excellent self-cleaning performance, broaden the absorption width, and improve The effect of utilization

Active Publication Date: 2019-07-30
盐城飞特玻璃有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, titanium dioxide has a certain limit on the absorption range of ultraviolet light, and cannot fully degrade organic matter and kill bacteria, which makes the self-cleaning performance of glass poor.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A method for preparing self-cleaning glass, comprising the steps of:

[0035] Step S1: preparing nano titanium dioxide powder doped with F and Si atoms;

[0036] Specifically, the following steps are included:

[0037] Step S11: Dissolving 0.2 g of polyethylene glycol into 15 ml of titanium tetrachloride ethanol solution, wherein 5 ml of titanium tetrachloride and 10 ml of ethanol; wherein, titanium tetrachloride is protitanium, and polyethylene glycol is surface active agent, ethanol as solvent;

[0038] Step S12: Gradually add 5ml of water to the solution prepared in step S11, and fully stir for 20-30 minutes;

[0039] Step S13: Transfer the mixed solution formed in step S12 to a polytetrafluoroethylene-lined autoclave, and after a hydrothermal reaction at 180°C for 6 to 12 hours, take it out and naturally cool it to room temperature to obtain a titanium dioxide slurry;

[0040] Step S14: filtering the titanium dioxide slurry, washing with ethanol, and then drying ...

Embodiment 2

[0049] A method for preparing self-cleaning glass, comprising the steps of:

[0050] Step S1: preparing nano titanium dioxide powder doped with F and Si atoms;

[0051] Specifically, the following steps are included:

[0052] Step S11: Dissolving 0.2 g of polyethylene glycol into 15 ml of titanium tetrachloride ethanol solution, wherein 5 ml of titanium tetrachloride and 10 ml of ethanol; wherein, titanium tetrachloride is protitanium, and polyethylene glycol is surface active agent, ethanol as solvent;

[0053] Step S12: Gradually add 5ml of water to the solution prepared in step S11, and fully stir for 20-30 minutes;

[0054] Step S13: Transfer the mixed solution formed in step S12 to a polytetrafluoroethylene-lined autoclave, and after a hydrothermal reaction at 200°C for 6 to 12 hours, take it out and naturally cool it to room temperature to obtain a titanium dioxide slurry;

[0055] Step S14: filtering the titanium dioxide slurry, washing with ethanol, and then drying ...

Embodiment 3

[0065] A method for preparing self-cleaning glass, comprising the steps of:

[0066] Step S1: preparing nano titanium dioxide powder doped with F and Si atoms;

[0067] Specifically, the following steps are included:

[0068] Step S11: Dissolving 0.2 g of polyethylene glycol into 15 ml of titanium tetrachloride ethanol solution, wherein 5 ml of titanium tetrachloride and 10 ml of ethanol; wherein, titanium tetrachloride is protitanium, and polyethylene glycol is surface active agent, ethanol as solvent;

[0069] Step S12: Gradually add 5ml of water to the solution prepared in step S11, and fully stir for 20-30 minutes;

[0070] Step S13: Transfer the mixed solution formed in step S12 to a polytetrafluoroethylene-lined autoclave, and after hydrothermal reaction at 190° C. for 6 to 12 hours, take it out and naturally cool it to room temperature to obtain a titanium dioxide slurry;

[0071] Step S14: filtering the titanium dioxide slurry, washing with ethanol, and then drying ...

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PUM

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Abstract

The invention discloses a preparation method of self-cleaning glass. The preparation method includes the steps of preparing nanometer titanium dioxide powder doped with F and Si atoms; mixing the nanometer titanium dioxide powder with dispersant proportionally to obtain a mixture and grinding the mixture to obtain a slurry; subjecting a glass substrate to pre-treatment, to be specific, soaking and washing the glass substrate with 1% hydrofluoric acid solution for the next step; by means of silk-screen printing, coating the pre-treated glass substrate with the slurry prepared in the second step; drying and sintering to obtain the self-cleaning glass. The sintering temperature ranges from 350 DEG C to 450 DEGC. According to the preparation method of the self-cleaning glass, UV-light absorption width of titanium dioxide is increased to improve utilization rate of UV light, so that the prepared self-cleaning glass is capable of degrading organic matter and killing bacteria.

Description

[0001] 【Technical field】 [0002] The invention relates to the technical field of functional glass, in particular to a preparation method of self-cleaning glass. [0003] 【Background technique】 [0004] At present, glass has been widely used in various fields such as construction, automobile, decoration and energy, bringing a lot of beauty and convenience to life and production. The characteristics of the glass material itself also determine that the use and maintenance of the glass is difficult, and the glass material needs to be cleaned regularly, especially the cleaning of high-rise glass curtain walls, which is a high-risk job. Therefore, providing a glass material that only requires simple water washing or is completely free of cleaning has broad application prospects. [0005] In the related technology, there are two main production processes of self-cleaning glass. One is to use silica sol and titanium organic compound, and use sol-gel method for coating. This method us...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C17/25
CPCC03C17/256C03C2218/119
Inventor 李启云刘超莲
Owner 盐城飞特玻璃有限公司
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