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Water-based cleaning solution for glass substrate and method for cleaning glass substrate by using same

A technology of water-based cleaning liquid and glass substrate, which is applied in the direction of liquid cleaning methods, cleaning methods and utensils, chemical instruments and methods, etc., which can solve the problems of high recycling cost, solvent recycling, environmental damage, etc., and achieve cleaning effect Good, easy to use, and environmentally friendly

Inactive Publication Date: 2013-04-17
SHENZHEN YOUDA ENVIRONMENTAL MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing water-based cleaning fluids are not effective in removing oil stains, and the efficiency is not high. Some water-based cleaning fluids containing nonylphenol (NP) or octylphenol (OP) surfactants perform better in removing oil stains , but NP and OP surfactants are difficult to biodegrade, and long-term use in large quantities will cause unpredictable damage to the environment
Solvent-based cleaning fluids have problems such as solvent recovery and treatment, and the recovery cost is relatively high

Method used

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  • Water-based cleaning solution for glass substrate and method for cleaning glass substrate by using same
  • Water-based cleaning solution for glass substrate and method for cleaning glass substrate by using same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] This embodiment provides five kinds of proportioning schemes, each component and proportioning content are shown in Table 1. After the proportioning is completed, the components are mixed and stirred evenly at room temperature to obtain the glass substrate water-based cleaning solution provided by the present invention.

[0035]

[0036] Table 1

[0037] This embodiment further provides a method for cleaning a glass substrate using the above-mentioned water-based cleaning solution. First, add the above-mentioned cleaning solution into an ultrasonic cleaner, raise the temperature to 40°C, put the glass substrate in the cleaning solution, turn on the ultrasonic wave, and clean 3 minutes or so. Next, wash the cleaned glass panel in deionized water at 40° C. under the same cleaning conditions for about 3 minutes, and then dry it with an air knife.

[0038] It is assumed that the cleaning effect of the cleaning agent is evaluated from the following aspects:

[0039] A-...

Embodiment 2

[0056] In this example, the above-mentioned inorganic alkaline substances were replaced with KOH, and the rest of the substances remained unchanged, and 7 schemes were provided, each of which contained different components, and the cleaning ability of the water-based cleaning solution for glass substrates in this example was tested. Each component and its percentage content are as shown in Table 3:

[0057]

[0058] table 3

[0059] Likewise, the present invention also provides a method for cleaning a glass substrate using the above-mentioned water-based cleaning solution.

[0060]Firstly, the above-mentioned cleaning solution was added into the cleaning tank, the temperature was raised to 50° C., the glass substrate was placed in the cleaning solution, immersed for 30 minutes, and left to stand. Next, immerse the cleaned glass panel in deionized water at 25° C. for 3 minutes, then take out the panel, repeat the same operation, and finally dry it with an air knife.

[006...

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PUM

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Abstract

The invention relates to a water-based cleaning solution for a glass substrate, which comprises the following components (in percentage by weight): 1-5% of inorganic alkaline substance, 5-15% of anionic surfactant, 5-10% of nonionic surfactant, 0.1-1% of defoaming agent and the balance of water. The invention also provides a method for cleaning a glass substrate by using the cleaning solution. According to the invention, the cleaning solution can effectively remove fingerprints, dust, glass powder, grease and other organic / inorganic solid particles on the surface of a glass substrate, and is free of NP and OP surfactant, thereby effectively protecting the environment. Meanwhile, the glass substrate cleaning method provided by the invention is simple to use, low in cleaning solution consumption and good in cleaning effect.

Description

technical field [0001] The invention relates to the technical field of cleaning materials, in particular to a water-based cleaning solution for a glass substrate before coating an indium tin oxide film (ITO), in particular to a water-based cleaning solution for a glass substrate and a method for cleaning a glass substrate using the cleaning solution. Background technique [0002] In the field of flat panel display, the preparation process of glass substrates including liquid crystal display (LCD), touch screen (TP), organic electroluminescence (OLED) and plasma (PDP) display includes sequentially performing on the glass substrate: setting metal or a metal wiring forming process of a metal oxide layer; a process of providing a photoresist layer; an exposure process of transferring a mask pattern on a photoresist; an etching process of etching a mold according to a pattern; Photoresist stripping process, etc. [0003] Ordinary glass substrates will have fingerprints, dust, gl...

Claims

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Application Information

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IPC IPC(8): C11D1/83C11D3/04C11D3/20B08B3/08
Inventor 刘小勇
Owner SHENZHEN YOUDA ENVIRONMENTAL MATERIAL CO LTD
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