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Preparation of glass coating liquid having ultraviolet shielding function

A technology of external shielding and coating solution, which is applied in the field of preparation of glass coating solution, can solve the problem of high cost and achieve good light stability

Inactive Publication Date: 2011-01-19
CHENGDU UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Compared with the present invention, the preparation method cost of most glass coating liquids is higher at present

Method used

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  • Preparation of glass coating liquid having ultraviolet shielding function
  • Preparation of glass coating liquid having ultraviolet shielding function
  • Preparation of glass coating liquid having ultraviolet shielding function

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The present invention adopts a kind of preparation process method of glass coating liquid with ultraviolet shielding function, has following process steps:

[0024] (1) Measure 41ml of tetraethyl orthosilicate and dissolve in 32ml of ethanol;

[0025] (2) Measure 27ml of deionized water and adjust the pH value to 2 with hydrochloric acid;

[0026] (3) Weigh 0.0856g 2-methyl-5-nitroimidazole-1-ethanol, add it to the aqueous solution prepared in step (2), and heat to boiling until 2-methyl-5-nitroimidazole-1-ethanol Stop heating after 1-ethanol dissolves, add 1.7g glacial acetic acid after natural cooling;

[0027] (4) Heating and stirring the ethyl orthosilicate ethanol solution prepared in step (1) at 50° C., while slowly adding the solution prepared in step (3) dropwise;

[0028] (5) heating and stirring the mixed solution prepared in step (4) at 50° C. for 2 hours;

[0029] (6) Aging the sol prepared in step (5) for 24-28 hours.

[0030] The ultraviolet transmissi...

Embodiment 2

[0034] The present invention adopts a kind of preparation process method of glass coating liquid with ultraviolet shielding function, has following process steps:

[0035] (1) Measure 41ml of tetraethyl orthosilicate and dissolve in 32ml of ethanol;

[0036] (2) Measure 27ml of deionized water and adjust the pH value to 2 with hydrochloric acid;

[0037](3) Weigh 0.0428g 2-methyl-5-nitroimidazole-1-ethanol, add it to the aqueous solution prepared in step (2), and heat to boiling until 2-methyl-5-nitroimidazole-1-ethanol Stop heating after 1-ethanol dissolves, add 1.7g glacial acetic acid after cooling;

[0038] (4) Heating and stirring the ethyl orthosilicate ethanol solution prepared in step (1) at 50° C., while slowly adding the solution prepared in step (3) dropwise;

[0039] (5) heating and stirring the mixed solution prepared in step (4) at 50° C. for 2 hours;

[0040] (6) Aging the sol prepared in step (5) for 24-28 hours.

[0041] The ultraviolet transmission spectr...

Embodiment 3

[0045] The present invention adopts a kind of preparation process method of glass coating liquid with ultraviolet shielding function, has following process steps:

[0046] (1) Measure 41ml of tetraethyl orthosilicate and dissolve in 32ml of ethanol;

[0047] (2) Measure 27ml of deionized water and adjust the pH value to 2 with hydrochloric acid;

[0048] (3) Weigh 0.1284g 2-methyl-5-nitroimidazole-1-ethanol, add it to the aqueous solution prepared in step (2), and heat to boiling until 2-methyl-5-nitroimidazole-1-ethanol Stop heating after 1-ethanol dissolves, add 1.7g glacial acetic acid after cooling;

[0049] (4) Heating and stirring the ethyl orthosilicate ethanol solution prepared in step (1) at 50° C., while slowly adding the solution prepared in step (3) dropwise;

[0050] (5) Continue heating and stirring the mixed solution prepared in step (4) at 50° C. for 2 hours;

[0051] (6) Aging the solution prepared in step (5) for 24-28 hours.

[0052] The ultraviolet tran...

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Abstract

The invention relates to a preparation method for a glass coating liquid which is prepared by utilizing the sol-gel method, and has ultraviolet shielding function and high visible light transmittance. The preparation method comprises the following steps: 2-methyl-5-azomycin-1-ethanol is added into the process of using the sol-gel method for preparing the coating liquid, wherein, the concentrationof 2-methyl-5-azomycin-1-ethanol is 0.01 g / L-5 g / L compared with the total amount of the glass coating liquid; and the prepared glass coating liquid is enabled to have ultraviolet shielding function and good light stability through the interaction of 2-methyl-5-azomycin-1-ethanol and silicon dioxide. The ultraviolet transmittance and the visible light transmittance of the glass coating liquid areadjusted by regulating the concentration of the 2-methyl-5-azomycin-1-ethanol in a glass coating liquid system. The prepared glass coating liquid has the ultraviolet shielding function, and has the advantages of ultraviolet obstruction, high transparency, simple preparing process, low cost, good light stability, and the like.

Description

1. Technical field [0001] The invention relates to a method for preparing a glass coating liquid with ultraviolet shielding function and high transmittance to visible light by using a sol-gel method. 2. Technical Background [0002] Ultraviolet light is an electromagnetic wave ray shorter than visible light. Its wavelength is 200nm-400nm. ): 100nm ~ 290nm. The shorter the wavelength of ultraviolet rays, the higher the energy, and the greater the damage or damage to the human body, polymer materials, wood, plastic, paper, etc. In many occasions, ultraviolet rays need to be cut off. It is a common method to coat the glass surface with an anti-ultraviolet film and use this type of glass to block ultraviolet rays. [0003] There are two technical methods for preparing coated glass: physical method and chemical method. Physical methods mainly include vacuum evaporation coating method, sputtering coating method, ion coating method, etc.; chemical methods mainly include chemical...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C17/30
Inventor 叶巧明张其春胡业勤杨希郭珂维
Owner CHENGDU UNIVERSITY OF TECHNOLOGY
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