CN109759389B - Glass cleaning method - Google Patents
Glass cleaning method Download PDFInfo
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- CN109759389B CN109759389B CN201910204857.8A CN201910204857A CN109759389B CN 109759389 B CN109759389 B CN 109759389B CN 201910204857 A CN201910204857 A CN 201910204857A CN 109759389 B CN109759389 B CN 109759389B
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Abstract
The invention discloses a glass cleaning method, which comprises the following steps: uniformly spraying magnesium oxide powder on the surface of the glass, and soaking the glass in an acetic acid solution; keeping the glass in an acetic acid solution, and performing first ultrasonic cleaning; taking out the glass, drying the glass and performing plasma cleaning on the glass; putting the glass into a cleaning solution, and performing second ultrasonic cleaning; and putting the glass into pure water to perform third ultrasonic cleaning on the glass, taking out the glass and drying the glass. The invention adopts three times of ultrasonic cleaning respectively, and plasma is doped for cleaning, thereby greatly improving the cleaning effect.
Description
Technical Field
The invention relates to the technical field of glass production, in particular to a glass cleaning method.
Background
When the screen glass cover plate is produced, the glass cover plate is electroplated by partial processes, and in order to ensure the electroplating effect, the glass is cleaned firstly.
At present, a method for cleaning glass generally adopts single ultrasonic cleaning, and the specific process is that after Q detection, the glass is put into cleaning liquid, and then an ultrasonic cleaning machine is started to perform ultrasonic cleaning. Under the action of the ultrasonic waves and the cleaning liquid, stains on the surface of the glass can be separated from the glass under the action of the ultrasonic waves, and the purpose of cleaning is achieved.
The existing glass cleaning method only adopts single ultrasonic cleaning, so that the stain removing effect is poor, the subsequent electroplating effect is poor, and the yield is low.
Disclosure of Invention
The invention aims to provide a glass cleaning method with better stain removing effect.
A glass cleaning method comprising the steps of:
uniformly spraying magnesium oxide powder on the surface of the glass, and soaking the glass in an acetic acid solution;
keeping the glass in an acetic acid solution, and performing first ultrasonic cleaning;
taking out the glass, drying the glass and performing plasma cleaning on the glass;
putting the glass into a cleaning solution, and performing second ultrasonic cleaning;
and putting the glass into pure water to perform third ultrasonic cleaning on the glass, taking out the glass and drying the glass.
According to the glass cleaning method provided by the invention, three times of ultrasonic cleaning are respectively adopted, and plasma cleaning is doped in the glass cleaning method, so that the cleaning effect is greatly improved.
In addition, the glass cleaning method provided by the invention can also have the following additional technical characteristics:
further, in the step of soaking in the acetic acid solution, the concentration of the acetic acid solution is 2-10 mol/L.
Further, in the step of soaking in the acetic acid solution, the temperature of the acetic acid solution is 30-40 ℃.
Further, in the step of soaking in the acetic acid solution, the soaking time is 10-20 minutes.
Further, the duration time of the first ultrasonic cleaning is 2-5 minutes.
Further, in the step of taking out the glass and drying, the drying is to reduce the water content of the surface of the glass to 0.1-5 g/m2。
Further, in the step of putting the glass into the cleaning solution, the cleaning solution comprises 30-40% of potassium hydroxide, 1-5% of ethylene glycol, 5-10% of sodium citrate and the balance of water.
Further, the temperature of the cleaning liquid is 50-60 ℃.
Further, the duration time of the second ultrasonic cleaning is 5-10 minutes.
Further, the temperature of the pure water is 30-60 ℃, and the duration time of the third ultrasonic cleaning is 2-3 minutes.
The beneficial effects of the invention at least comprise:
(1) the ultrasonic cleaning is carried out for three times respectively, and plasma is doped for cleaning, so that the cleaning effect is greatly improved;
(2) different solutions are adopted for the three times of ultrasonic cleaning, and the temperature is different, so that the glass can be fully cleaned;
(3) before plasma cleaning, the glass is not dried completely, and the cleaning effect can be further improved by matching with subsequent ultrasonic cleaning.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Detailed Description
In order to make the objects, features and advantages of the present invention comprehensible, specific embodiments accompanied with examples are described in detail below. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Example 1
A method of cleaning glass, comprising the steps of:
s1, uniformly spraying magnesium oxide powder on the surface of glass, and soaking in an acetic acid solution.
Wherein the concentration of the acetic acid solution is 2mol/L, the temperature of the acetic acid solution is 30 ℃, and the soaking time is 10 minutes.
S2, keeping the glass in an acetic acid solution, and performing first ultrasonic cleaning.
Wherein the duration of the first ultrasonic cleaning is 2 minutes.
And S3, taking out the glass, drying the glass, and performing plasma cleaning on the glass.
Wherein the drying is to reduce the water content of the glass surface to 0.1g/m2。
And S4, putting the glass into a cleaning solution, and performing secondary ultrasonic cleaning.
The cleaning solution comprises 30% of potassium hydroxide, 1% of ethylene glycol, 5% of sodium citrate and the balance of water, wherein the temperature of the cleaning solution is 50 ℃, and the cleaning duration is 5 minutes.
And S5, putting the glass into pure water to perform third ultrasonic cleaning on the glass, taking out the glass, and drying the glass.
Wherein the temperature of the pure water is 30 ℃, and the duration of the third ultrasonic cleaning is 2 minutes.
In the invention, three times of ultrasonic cleaning are respectively adopted, and plasma is doped for cleaning, so that the cleaning effect is greatly improved.
In addition, the magnesium oxide powder is matched with a weakly acidic acetic acid solution, so that the cleaning effect of the first ultrasonic cleaning can be improved, available electric ions can be provided for the subsequent plasma cleaning, and the plasma cleaning effect is improved;
certain moisture is kept when the glass is dried, and the residual liquid can improve the plasma cleaning effect because the glass is in an acidic solution before drying;
and then the glass is put into an alkaline solution of sodium hydroxide for secondary ultrasonic cleaning, the ultrasonic cleaning effect can be further improved by matching with the previous steps, and alkaline and acidic liquid on the surface of the glass can be removed by utilizing pure water for the third ultrasonic cleaning.
The cleaning method of this example was performed on 100 groups of glasses, respectively, and a water droplet contact angle test was performed on the finally obtained glasses, and the results were averaged and plated, and the yield thereof was calculated, and the results are shown in table 1.
Example 2
A method of cleaning glass, comprising the steps of:
s1, uniformly spraying magnesium oxide powder on the surface of glass, and soaking in an acetic acid solution.
Wherein the concentration of the acetic acid solution is 10mol/L, the temperature of the acetic acid solution is 40 ℃, and the soaking time is 20 minutes.
S2, keeping the glass in an acetic acid solution, and performing first ultrasonic cleaning.
Wherein the duration of the first ultrasonic cleaning is 5 minutes.
And S3, taking out the glass, drying the glass, and performing plasma cleaning on the glass.
Wherein the drying is to reduce the water content of the glass surface to 5g/m2。
And S4, putting the glass into a cleaning solution, and performing secondary ultrasonic cleaning.
The cleaning solution comprises the components of 40% of potassium hydroxide, 5% of ethylene glycol and 10% of sodium citrate, and the balance of water, wherein the temperature of the cleaning solution is 60 ℃, and the duration time of cleaning is 10 minutes.
And S5, putting the glass into pure water to perform third ultrasonic cleaning on the glass, taking out the glass, and drying the glass.
Wherein the temperature of the pure water is 60 ℃, and the duration of the third ultrasonic cleaning is 3 minutes.
The cleaning method of this example was performed on 100 groups of glasses, respectively, and a water droplet contact angle test was performed on the finally obtained glasses, and the results were averaged and plated, and the yield thereof was calculated, and the results are shown in table 1.
Example 3
A method of cleaning glass, comprising the steps of:
s1, uniformly spraying magnesium oxide powder on the surface of glass, and soaking in an acetic acid solution.
Wherein the concentration of the acetic acid solution is 8mol/L, the temperature of the acetic acid solution is 30 ℃, and the soaking time is 15 minutes.
S2, keeping the glass in an acetic acid solution, and performing first ultrasonic cleaning.
Wherein the duration of the first ultrasonic cleaning is 2 minutes.
And S3, taking out the glass, drying the glass, and performing plasma cleaning on the glass.
Wherein the drying is to reduce the water content of the glass surface to 1g/m2。
And S4, putting the glass into a cleaning solution, and performing secondary ultrasonic cleaning.
The cleaning solution comprises 32% of potassium hydroxide, 1.5% of ethylene glycol, 8.5% of sodium citrate and the balance of water, the temperature of the cleaning solution is 60 ℃, and the cleaning duration is 6 minutes.
And S5, putting the glass into pure water to perform third ultrasonic cleaning on the glass, taking out the glass, and drying the glass.
Wherein the temperature of the pure water is 35 ℃, and the duration of the third ultrasonic cleaning is 3 minutes.
The cleaning method of this example was performed on 100 groups of glasses, respectively, and a water droplet contact angle test was performed on the finally obtained glasses, and the results were averaged and plated, and the yield thereof was calculated, and the results are shown in table 1.
Comparative example 1
In the comparative example, the glass is cleaned by single ultrasonic wave, the cleaning solution is pure water, the temperature is 40 ℃, and the duration time is 10 minutes.
Comparative example 2
This comparative example is substantially the same as example 3 except that:
the present comparative example did not employ step S1 in example 3.
The cleaning method of the comparative example was performed on 100 groups of glasses, respectively, a water droplet contact angle test was performed on the finally obtained glass, the obtained results were averaged, and plating was performed, and the yield was calculated, and the results are shown in table 1.
Comparative example 3
This comparative example is substantially the same as example 3 except that:
in step S1, the glass is directly put into the acetic acid solution without spraying the magnesium oxide powder.
The cleaning method of this comparative example was performed using 100 groups of glasses, respectively, a water droplet contact angle test was performed on the finally obtained glass, the measured contact angles were averaged, and plating was performed, and the yield thereof was calculated, the results being shown in table 1.
Comparative example 4
This comparative example is substantially the same as example 3 except that:
in step S3, the glass is dried until the surface water content is less than 0.01g/m2。
The cleaning method of the comparative example was performed on 100 groups of glasses, respectively, a water droplet contact angle test was performed on the finally obtained glass, the obtained results were averaged, and plating was performed, and the yield was calculated, and the results are shown in table 1.
Comparative example 5
This comparative example is substantially the same as example 3 except that:
in step S4, the cleaning solution includes 32% potassium hydroxide, 1.5% ethylene glycol, 4.5% sodium gluconate, 4% tetrasodium edta, and the balance water.
The cleaning method of the comparative example was performed on 100 groups of glasses, respectively, a water droplet contact angle test was performed on the finally obtained glass, the obtained results were averaged, and plating was performed, and the yield was calculated, and the results are shown in table 1.
For the measured contact angle, a smaller angle indicates a cleaner glass surface, and a higher yield value indicates a higher yield of the plated product.
Referring to table 1, comparing example 1, example 2 and example 3, the best effect achieved by example 3 is shown, and example 3 is the best embodiment of the present invention;
comparing example 3 with comparative example 1, it can be seen that when comparative example 1 completely employs a single ultrasonic cleaning, the effect achieved is much lower than that of example 3, and thus example 3 has a significant improvement over comparative example 1;
comparing example 3, comparative example 2 and comparative example 3, comparative example 2 only uses one plasma cleaning and two ultrasonic cleaning, and the cleaning effect is also lower than example 3, the first ultrasonic cleaning in example 3 has an additive effect to the final cleaning effect, and the magnesium oxide powder has an additional additive effect;
comparing example 3 with comparative example 4, it can be seen that the cleaning effect achieved by comparative example 4 is closer to that of example 3, but still worse than that of example 3, the final cleaning effect can be improved by drying the glass to a certain water content;
comparing example 3 with comparative example 5, it can be seen that the cleaning liquid component used in example 3 is better than that used in comparative example 5.
TABLE 1
| Grouping | Contact angle (degree) | Yield (%) |
| Example 1 | 9.5 | 82 |
| Example 2 | 11.8 | 77 |
| Example 3 | 7.2 | 85 |
| Comparative example 1 | 21.0 | 61 |
| Comparative example 2 | 14.1 | 75 |
| Comparative example 3 | 13.5 | 79 |
| Comparative example 4 | 9.4 | 83 |
| Comparative example 5 | 14.2 | 78 |
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. A method of cleaning glass, comprising the steps of:
uniformly spraying magnesium oxide powder on the surface of the glass, and soaking the glass in an acetic acid solution;
keeping the glass in an acetic acid solution, and performing first ultrasonic cleaning;
taking out the glass and drying the glass, and performing plasma cleaning on the glass, wherein the drying is to reduce the water content of the surface of the glass to 0.1-5 g/m2；
Putting the glass into a cleaning solution, and performing second ultrasonic cleaning, wherein the cleaning solution comprises 30-40% of potassium hydroxide, 1-5% of ethylene glycol, 5-10% of sodium citrate and the balance of water;
and putting the glass into pure water, performing third ultrasonic cleaning on the glass, taking out the glass, and drying.
2. The glass cleaning method according to claim 1, wherein in the step of immersing in the acetic acid solution, the concentration of the acetic acid solution is 2 to 10 mol/L.
3. The glass cleaning method according to claim 1, wherein the temperature of the acetic acid solution in the step of immersing in the acetic acid solution is 30 to 40 ℃.
4. The glass cleaning method according to any one of claims 1 to 3, wherein in the step of immersing in the acetic acid solution, the immersion time is 10 to 20 minutes.
5. The glass cleaning method according to claim 1, wherein the duration of the first ultrasonic cleaning is 2 to 5 minutes.
6. The glass cleaning method according to claim 1, wherein the temperature of the cleaning liquid is 50 to 60 ℃.
7. The glass cleaning method according to claim 1, wherein the duration of the second ultrasonic cleaning is 5 to 10 minutes.
8. The glass cleaning method according to claim 1, wherein the temperature of the pure water is 30 to 60 ℃, and the duration of the third ultrasonic cleaning is 2 to 3 minutes.
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| CN110142271A (en) * | 2019-05-31 | 2019-08-20 | 苏州五方光电材料有限公司 | The cleaning method of piece in a kind of optical mirror slip |
| CN110216384A (en) * | 2019-06-06 | 2019-09-10 | 重庆两江联创电子有限公司 | A kind of processing method of glass surface texture |
| CN111842389B (en) * | 2020-07-06 | 2022-03-25 | 福耀玻璃工业集团股份有限公司 | Surface treatment method for bent glass plate |
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| CN106391571A (en) * | 2016-12-09 | 2017-02-15 | 曾周 | Cleaning technology for ITO glass |
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| CN104074046A (en) * | 2014-06-11 | 2014-10-01 | 周文叶 | Method for removing peculiar smell of carpet by using low-temperature plasma |
| WO2016031614A1 (en) * | 2014-08-25 | 2016-03-03 | シャープ株式会社 | Method for manufacturing display panel |
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