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Nano self-cleaning super hydrophilic glass product production method

A production method and self-cleaning technology, applied in the production field of nanometer self-cleaning superhydrophilic glass products, can solve the problems of not being able to achieve the best physical properties and photocatalytic activity at the same time, limited photocatalytic activity, difficult to control uniformity, etc. Low production cost, good removal effect, and low production consumption

Inactive Publication Date: 2003-04-23
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The advantage of this method is that the uniformity of the film is good; the main disadvantage is that the one-time investment is large, the production consumption is large, and it is a single film, and the photocatalytic activity is low
The advantage of this method is that the one-time investment is small, and a double film can be obtained; the disadvantage is that the uniformity of the film is difficult to control, the photocatalytic activity of the film is limited, and the physical properties and photocatalytic activity of the film cannot be optimized at the same time.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Table 1 shows the ratio of each component in the formula of the base film and the corresponding process parameters of the operation process. The properties of the obtained nanometer self-cleaning super-hydrophilic glass sample are shown in Table 2. Table 1: Ratio (V / V) of each component in the membrane solution formula and corresponding operating process data sample TEOS H 2 O HCl or Reaction temperature Reaction Pulling speed Calcination temperature Calcination time number HNO 3 degree ℃ time h mm s -1 degree ℃ between min1 2 96 2 100 1 10 500 102 5 90 5 80 2 3 300 303 10 85 5 80 2 3 400 204 20 70 10 80 10 1 400 20

[0024] The formula of the film solution used in the outer film: butyl titanate, 8%; acetic anhydride, 10%; ethanol, 5%; butanol, 10%; ethanol, 61%; silicon dioxide, 6%; The reaction was carried out at 40° C. for 120 minutes. When making film, the pulling speed is 3mm·s -1 , 600 ° C degree of roasting for 30 minutes to obtain the sample. The perfor...

Embodiment 2

[0028] The formulation of the base film liquid is: TEOS, 10%; H 2 O, 85%; HCl, 5%. The mixture was reacted at 80° C. for 2 hours to obtain a membrane liquid. Glass at 3mm·s -1 The film was pulled at a high speed, and after drying, it was baked at 400°C for 20 minutes. The formula of the outer layer membrane solution and the data of the membrane making process are shown in Table 3. The mixture of the membrane solution was reacted at 70°C for 60 minutes, and Table 4 shows the performance data of each sample. Table 3: Nano self-cleaning super-hydrophilic membrane membrane liquid components and membrane-making process data sample titanate titanate ethylbutylethylenedioxide pulling speed roasting roasting product butyl ester propyl ester isopropyl anhydride diol silicon alcoholate mm ·s -1Temperature Time No. Ester Alcohol °C min5 2 2 5 10 75 6 3 700 306 4 4 5 10 71 6 3 600 307 8 8 5 10 63 6 3 600 308 20 10 5 10 49 6 3 300 30 Table 4: Sample performance measurement data Sample...

Embodiment 3

[0030] The implementation of the bottom film is the same as that of Example 2. The formula of the film liquid and the data of the film making process of the outer film are shown in Table 5. The film liquid mixture was reacted at 100°C for 10 minutes, and Table 6 is the performance data of the sample. Table 5: Nano self-cleaning super-hydrophilic membrane membrane liquid components and membrane-making process data sample Ethylene-propylene-polyethylene-dibutylene-dioxide titanate pull-up speed-roasting roasting product butyric anhydride ditriol-alcohol silicon degree mm .s -1 Temperature Time No. Alcohol 500 ℃ min9 8 10 15 10 55 2 10 600 1010 8 10 10 10 56 6 5 600 1011 8 10 10 10 42 20 3 600 3012 8 10 3 10 28 40 1 600 30 Table 4: Sample performance measurement Data Sample No. Transmittance / % Refractive Index / % Abrasion Resistance Hydrophilicity 9 76 18 × ×10 78 16 √ √11 78 15 √ √12 76 14 √ ×

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PUM

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Abstract

The production method of nano self-cleaning superhydrophilic glass prdouct includes the following steps: firstly, preparing silicone dioxide base film liquor according to the mixing formula of TEOS 2-20%, H2O 70-96% and concentrated CHl or HNO3 20-10%, then impregnating glass with the silicone dioxide base film liquor, lifting and pulling to form film, roasting; then preparing film liquor mixtureaccording to the mixing formula of titanate 2-20%, ethyl anhydride 2-10%, polybasic alcohol 3-15%, silicone dioxide 5-40%, butyl alcohol 5-10% and ethyl alcohol 28-75%, impregnating the glass with silicone dioxide base film with the above-mentioned mixture, lifting, pulling to form film, drying and roasting.

Description

(1) Technical field [0001] The invention relates to the technical field of glass production and processing, in particular to a method for producing nanometer self-cleaning super-hydrophilic glass products. (2) Background technology [0002] The currently researched self-cleaning superhydrophilic glass production processes mainly include: sol-gel method, magnetron sputtering method, liquid phase deposition method, vapor phase pyrolysis deposition method, aerosol-gel method and chemical reaction film formation method. Among them, only the magnetron sputtering method and the sol-gel method have been industrialized, but the photocatalytic activity of the films obtained by these two production processes is limited. The main research technology in our country is the sol-gel method. [0003] The magnetron sputtering method is to heat the surface of the matrix glass to a melting critical state, excite titanium dioxide or titanium metal targets into particles under high vacuum, and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C17/42
Inventor 陈小泉刘焕彬古国榜
Owner SOUTH CHINA UNIV OF TECH
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