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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AI-Extracted 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 an...

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Method used

In summary, the glass substrate water-based cleaning solution of the present invention is formulated from environmentally friendly materials, not only can effectively remove fingerprints, dust, glass powder, grease and other organic and inorganic solids on the surface of the glass substrate particles, and does not contain NP and OP surfactants, effectively protecting the environment. Simultaneously, the method for cleaning the glass substrate of the present invention is simple to use, uses less cleaning liquid, and has good cleaning effect.

[0053] The glass substrate may be, TFT panel, liquid crystal display (LCD), touch screen (TP), organic electroluminescent (...

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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.

Application Domain

Inorganic/elemental detergent compounding agentsNon-ionic surface-active compounds +1

Technology Topic

Defoaming AgentsFingerprint +6

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Examples

Experimental program(2)

Example Embodiment

[0033] Example one:

[0034] This example provides five proportioning schemes, and 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 water-based cleaning solution for glass substrates provided by the present invention.

[0035]

[0036] Table 1

[0037] This embodiment further provides a method for cleaning glass substrates using the above water-based cleaning solution. First, the above cleaning solution is added to an ultrasonic cleaning machine, the temperature is raised to 40°C, the glass substrate is placed in the cleaning solution, and the ultrasonic is turned on to clean About 3 minutes. Then, the cleaned glass panel is cleaned in 40°C deionized water under the same cleaning conditions for about 3 minutes, and then dried by an air knife.

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

[0039] A-Removal of inorganic impurities such as dust and glass powder

[0040] O-wash and remove clean

[0041] Δ-mostly washed and removed

[0042] X-not cleaned

[0043] B-Removal of organic impurities such as fingerprints and grease

[0044] O-wash and remove clean

[0045] Δ-mostly washed and removed

[0046] X-not cleaned

[0047] Liquid stability of C-cleaning agent

[0048] O-stable

[0049] X-white turbidity/separation

[0050] Use scheme 1~ scheme 9 and the cleaning effect of the above-mentioned cleaning method is shown in Table 2:

[0051] A B C 1 O O O 2 O O O 3 O O O 4 O O O 5 O O O 6 Δ Δ O 7 Δ Δ O 8 X O O 9 O X O

[0052] Table 2

[0053] The above-mentioned glass substrate may be a TFT panel, a liquid crystal display (LCD), a touch panel (TP), an organic electroluminescence (OLED), and a plasma (PDP) display glass substrate. It can be seen from the above that the content of each component shown in Scheme 1 to Scheme 5 is a preferred scheme, which can achieve a better cleaning effect, and the cleaning effect of the above-mentioned cleaning method is better.

[0054]

Example Embodiment

[0055] Embodiment two:

[0056] In this embodiment, the above-mentioned inorganic alkaline substance is replaced with KOH, and the remaining substances remain unchanged, and 7 solutions are provided, each of which has a different content of each component, to detect the cleaning ability of the water-based cleaning solution for glass substrates in this embodiment. Each component and its percentage content are shown in Table 3:

[0057]

[0058] table 3

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

[0060] First, the above-mentioned cleaning solution is added to the cleaning bath, the temperature is raised to 50°C, and the glass substrate is put in the cleaning solution, immersed for 30 minutes, and left to stand. Next, the cleaned glass panel was immersed in deionized water at 25°C for 3 minutes, and then the panel was taken out, and the same operation was repeated on it, and finally air knife dried.

[0061] It is also assumed that the cleaning effect of the cleaning agent is evaluated from the following aspects:

[0062] A-Removal of inorganic impurities such as dust and glass powder

[0063] O-wash and remove clean

[0064] Δ-mostly washed and removed

[0065] X-not cleaned

[0066] B-Removal of organic impurities such as fingerprints and grease

[0067] O-wash and remove clean

[0068] Δ-mostly washed and removed

[0069] X-not cleaned

[0070] Liquid stability of C-cleaning agent

[0071] O-stable

[0072] X-white turbidity/separation

[0073] Using the scheme 1 to scheme 7 of this embodiment, and adopting the above-mentioned cleaning method of this embodiment, the observation results with a scanning electron microscope magnification 200 times are shown in Table 4:

[0074] A B C 1 O O O 2 O O O 3 O O O 4 O O O 5 O O O 6 Δ Δ O 7 Δ Δ O

[0075] Table 4

[0076] The above-mentioned glass substrate may be a TFT panel, a liquid crystal display (LCD), a touch panel (TP), an organic electroluminescence (OLED), and a plasma (PDP) display glass substrate. It can be seen from the above that the content of each component shown in Scheme 1 to Scheme 5 is a preferred scheme, which can achieve a better cleaning effect, and the cleaning effect of the above-mentioned cleaning method is better.

[0077] To sum up, the water-based cleaning solution for glass substrates of the present invention is made of materials that are environmentally friendly, which not only can effectively remove fingerprints, dust, glass powder, grease and other organic and inorganic solid particles on the surface of the glass substrate, but also It does not contain NP and OP surfactants, effectively protecting the environment. At the same time, the method for cleaning the glass substrate of the present invention is simple to use, the amount of cleaning liquid is small, and the cleaning effect is good.

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Description & Claims & Application Information

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Classification and recommendation of technical efficacy words

Protect environment
Easy to use

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

AI-Extracted Technical Summary

Problems solved by technology

Method used

Abstract

Image

Examples

Example Embodiment

Example Embodiment

PUM

Description & Claims & Application Information

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