CN114105485A - Easy-to-clean coating process for glass surface - Google Patents
Easy-to-clean coating process for glass surface Download PDFInfo
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- CN114105485A CN114105485A CN202111535411.7A CN202111535411A CN114105485A CN 114105485 A CN114105485 A CN 114105485A CN 202111535411 A CN202111535411 A CN 202111535411A CN 114105485 A CN114105485 A CN 114105485A
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- glass
- easy
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- coating process
- cleaning
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- 239000011521 glass Substances 0.000 title claims abstract description 126
- 238000000576 coating method Methods 0.000 title claims abstract description 44
- 239000006119 easy-to-clean coating Substances 0.000 title claims abstract description 15
- 238000004140 cleaning Methods 0.000 claims abstract description 43
- 239000011248 coating agent Substances 0.000 claims abstract description 23
- 230000003670 easy-to-clean Effects 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000000758 substrate Substances 0.000 claims abstract description 13
- 238000001020 plasma etching Methods 0.000 claims abstract description 12
- 238000005507 spraying Methods 0.000 claims abstract description 9
- 239000007921 spray Substances 0.000 claims description 8
- 238000005530 etching Methods 0.000 claims description 2
- 239000005357 flat glass Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 16
- 238000007750 plasma spraying Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000004224 protection Effects 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 230000006750 UV protection Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/001—General methods for coating; Devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B11/00—Cleaning flexible or delicate articles by methods or apparatus specially adapted thereto
- B08B11/04—Cleaning flexible or delicate articles by methods or apparatus specially adapted thereto specially adapted for plate glass, e.g. prior to manufacture of windshields
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C15/00—Surface treatment of glass, not in the form of fibres or filaments, by etching
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/001—General methods for coating; Devices therefor
- C03C17/002—General methods for coating; Devices therefor for flat glass, e.g. float glass
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2217/00—Coatings on glass
- C03C2217/70—Properties of coatings
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2218/00—Methods for coating glass
- C03C2218/10—Deposition methods
- C03C2218/11—Deposition methods from solutions or suspensions
- C03C2218/112—Deposition methods from solutions or suspensions by spraying
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2218/00—Methods for coating glass
- C03C2218/30—Aspects of methods for coating glass not covered above
- C03C2218/31—Pre-treatment
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2218/00—Methods for coating glass
- C03C2218/30—Aspects of methods for coating glass not covered above
- C03C2218/32—After-treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Surface Treatment Of Glass (AREA)
Abstract
The invention provides an easy-to-clean coating process for a glass surface, which comprises the following steps: step one, carrying out water-based cleaning on a glass substrate; secondly, performing atmospheric plasma etching on the cleaned glass; thirdly, spraying or smearing the glass easy-cleaning liquid on the etched glass; step four, baking and curing the easy-to-clean glass coating; and step five, cleaning the baked glass. The easy-to-clean coating process for the glass surface combines plasma etching and spraying, and obtains the easy-to-clean glass coating with good appearance and performance on the glass substrate. The process is simple and easy to control, the plasma etching can obtain a fresh glass surface in a microcosmic manner, the adhesion of the easy-to-clean coating and the glass substrate is improved, and compared with the traditional method of directly spraying the easy-to-clean liquid on the glass surface, the wear resistance of the coating of the new process is greatly improved.
Description
Technical Field
The invention relates to the field of surface treatment processes, in particular to an easy-to-clean coating process for a glass surface.
Background
The easy-to-clean glass coating is well accepted by industries and consumers due to good performances of antifouling, antibiosis, yellowing resistance, environmental protection, easy cleaning and the like, and is applied to industries such as building glass, automobile glass, household appliance and electronic product panel glass, shower room glass and the like to a certain extent. However, the easy-to-clean glass coating has insufficient wear resistance and short service life due to the small thickness (< 100nm) of the easy-to-clean glass coating or insufficient local cleaning of the glass, and thus the wide popularization and application of the easy-to-clean glass coating are limited.
The Chinese patent (CN201810783321.1) starts from the formula of easy-to-clean liquid, and reacts with active functional groups on the surface of glass to obtain a hydrophobic coating which has strong adhesion, better ultraviolet resistance and thermal stability on the surface of the glass, and has good easy-to-clean effect.
The Chinese patent of invention (CN 201610850662.7) adopts a chemical method to activate the surface of glass, then the surface of the glass is grafted with a fluorine-containing surfactant to make the surface of the glass present a hydrophilic and oleophobic state, and then the surface of the glass is etched and modified by vacuum plasma to make the surface of the glass present the hydrophobic and oleophobic state, thereby achieving the effect of easy cleaning. However, the reaction time is too long to be more than 72H when the fluorine-containing surfactant is grafted, the vacuum plasma modification also needs more than 1H, the process time is too long, and meanwhile, the vacuum equipment is expensive, so that the large-scale production is not facilitated.
Above patent all is starting from the formula of easy clean coating, realize good adhering to or better environmental protection effect etc. through optimizing the formula, but glass deposits through a period of time in the actual production, the surface can adsorb the mixed pollutant of one deck dust, greasy dirt, steam etc., hardly with glass clean completely through simple glass cleaning equipment, influence the high-efficient combination of easy clean liquid and glass in easy clean liquid coating process, cause the wearability and the life-span greatly reduced of easy clean coating, thereby influence the popularization and application on a large scale of easy clean coating.
Disclosure of Invention
The invention aims to solve the technical problems in the prior art and provides the process for the easy-to-clean coating on the glass surface, wherein the glass is pretreated by adopting a double method of glass water cleaning and atmospheric plasma etching, so that the glass surface is cleaner, the reaction with the easy-to-clean liquid is more sufficient, the binding force and the durability of the easy-to-clean coating are greatly improved, and the process is simple and stable.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides an easy-to-clean coating process for a glass surface, which comprises the following steps:
step one, carrying out water-based cleaning on a glass substrate by adopting a cleaning machine;
secondly, performing atmospheric plasma etching on the cleaned glass;
thirdly, spraying or smearing the glass easy-cleaning liquid on the etched glass;
step four, baking and curing the easy-to-clean glass coating;
and step five, cleaning the baked glass by using a cleaning machine.
Further, in the first step, the glass substrate is made of flat glass or bent glass.
Further, in the third step, no water drops can appear on the surface of the glass after cleaning.
Further, in the second step, the height of the plasma spray head from the surface of the glass is 6-15 mm.
Further, in the second step, the pressure of the plasma gas source is controlled to be 2-2.5 Kg.
Further, in the second step, the plasma power is controlled to be 900-2And/min, etching the glass surface completely and uniformly.
Further, in the second step, the water contact angle of the surface of the glass etched by the plasma is less than 10 degrees.
Furthermore, in the third step, the compressed air used by the spray gun must be dried and deoiled to ensure that the easy cleaning solution is not polluted, and the pressure of the compressed air is controlled to be 0.15-0.5 MPa.
Furthermore, in the third step, the caliber of the spray gun is 0.5-1.5mm, and the spraying amount of the easy-cleaning liquid is controlled to be 3dm2and/mL, the glass surface is sprayed evenly on the whole.
Further, in the fourth step, the baking time and the curing temperature of the easy-cleaning coating are changed along with the change of the glass easy-cleaning liquid.
By adopting the technical scheme, compared with the prior art, the invention has the following technical effects:
the easy-to-clean coating process for the glass surface combines atmospheric plasma etching and spraying, and obtains an easy-to-clean coating with good appearance and performance on a glass substrate. The process is simple and easy to control, the production process is stable, the plasma etching can obtain a fresh glass surface in a microcosmic mode, the adhesion of the easy-to-clean coating and the glass substrate is improved, and compared with the traditional method of directly spraying the easy-to-clean liquid on the glass surface, the wear resistance of the coating of the new process is greatly improved.
Detailed Description
The following specific examples further illustrate the invention but are not to be construed as limiting the invention. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
Example 1
The embodiment provides an easy-cleaning coating process for a glass surface, which comprises the following steps:
step one, carrying out water-based cleaning on a glass substrate;
step two, performing atmospheric plasma etching on the cleaned glass, wherein a gas source adopts compressed air, the pressure is 0.25MPa, a plasma nozzle is 6mm away from the glass, the plasma power is 900W, the glass width is 800mm, and the glass conveying speed is 5 m/min;
step three, spraying the glass water-based easy-cleaning liquid on the etched glass: the air source pressure is 0.3MPa, the caliber of the spray gun is 0.5mm, the glass width is 800mm, and the glass conveying speed is 5 m/min;
step four, baking and curing the easy-to-clean glass coating, and curing in two sections: in the first stage, the curing temperature is 150 ℃, the curing time is 1min, and the easy-to-clean coating is dried on the surface of the glass; and in the second stage, the glass is cured for 48H at normal temperature, and the easy-to-clean liquid fully reacts with the glass.
The transparent easy-cleaning coating prepared by the process has an initial water contact angle of 105.7 degrees and wear resistance times of 50000 times.
Example 2
The embodiment provides an easy-cleaning coating process for a glass surface, which comprises the following steps:
step one, carrying out water-based cleaning on a glass substrate;
secondly, performing atmospheric plasma etching on the cleaned glass, wherein a gas source adopts nitrogen, the pressure is 0.25MPa, a plasma nozzle is 10mm away from the glass, the plasma power is 900W, the glass width is 800mm, and the glass conveying speed is 5 m/min;
step three, spraying the glass water-based easy-cleaning liquid on the etched glass: the air source pressure is 0.3MPa, the caliber of the spray gun is 0.5mm, the glass width is 800mm, and the glass conveying speed is 5 m/min;
step four, baking and curing the easy-to-clean glass coating, and curing in two sections: in the first stage, the curing temperature is 150 ℃, the curing time is 1min, and the easy-to-clean coating is dried on the surface of the glass; and in the second stage, the glass is cured for 48H at normal temperature, and the easy-to-clean liquid fully reacts with the glass.
The transparent easy-cleaning coating prepared by the process has an initial water contact angle of 108.2 degrees and abrasion resistance times of 80000 times.
Example 3
The embodiment provides an easy-cleaning coating process for a glass surface, which comprises the following steps:
step one, carrying out water-based cleaning on a glass substrate;
step two, performing atmospheric plasma etching on the cleaned glass, wherein a gas source adopts compressed air, the pressure is 0.25MPa, a plasma nozzle is 6mm away from the glass, the plasma power is 900W, the glass width is 800mm, and the glass conveying speed is 2 m/min;
step three, smearing the glass oil-based easy-cleaning liquid on the etched glass: the width of the glass is 800mm, and the glass conveying speed is 2 m/min;
step four, baking and curing the easy-to-clean glass coating at the curing temperature of 150 ℃ for 2 min;
and step five, cleaning the baked glass by using a cleaning machine to remove surface oil mist.
The transparent easy-cleaning coating prepared by the process has an initial water contact angle of 113.2 degrees and wear resistance times of 40000 times.
Example 4
The embodiment provides an easy-cleaning coating process for a glass surface, which comprises the following steps:
step one, carrying out water-based cleaning on a glass substrate;
secondly, performing atmospheric plasma etching on the cleaned glass, wherein a gas source adopts nitrogen, the pressure is 0.25MPa, a plasma nozzle is 15mm away from the glass, the plasma power is 1000W, the glass width is 600mm, and the glass conveying speed is 2 m/min;
step three, smearing the glass oil-based easy-cleaning liquid on the etched glass: the width of the glass is 600mm, and the glass conveying speed is 2 m/min;
step four, baking and curing the easy-to-clean glass coating at the curing temperature of 200 ℃ for 2 min;
and step five, cleaning the baked glass by using a cleaning machine to remove surface oil mist.
The transparent easy-cleaning coating prepared by the process has an initial water contact angle of 115.7 degrees and the wear-resisting times of 60000 times.
The embodiments of the present invention have been described in detail, but the embodiments are merely examples, and the present invention is not limited to the embodiments described above. Any equivalent modifications or alterations to this practice will occur to those skilled in the art and are intended to be within the scope of this invention. Accordingly, equivalent changes and modifications made without departing from the spirit and scope of the present invention should be covered by the present invention.
Claims (9)
1. An easy-clean coating process for a glass surface is characterized by comprising the following steps:
step one, carrying out water-based cleaning on a glass substrate by adopting a cleaning machine;
secondly, carrying out plasma etching on the cleaned glass;
thirdly, spraying or smearing the glass easy-cleaning liquid on the etched glass;
step four, baking and curing the easy-to-clean glass coating;
and step five, cleaning the baked glass by using a cleaning machine.
2. The easy-clean coating process according to claim 1, wherein in the first step, the glass substrate is flat glass or curved glass.
3. The easy-clean coating process according to claim 1, wherein in the first step, no water drops appear on the surface of the cleaned glass.
4. The easy-clean coating process according to claim 1, wherein in the second step, the height of the plasma spray head from the glass surface is 6-15 mm.
5. The easy-clean coating process according to claim 1, wherein in the second step, the pressure of the plasma gas source is controlled to be 2-2.5 Kg.
6. The easy-to-clean coating process as claimed in claim 1, wherein in the second step, the plasma power is controlled to be 900-2And/min, etching the glass surface completely and uniformly.
7. The easy-clean coating process according to claim 1, wherein in the second step, the water contact angle of the surface of the glass etched by the plasma reaches below 10 degrees.
8. The easy-clean coating process according to claim 1, wherein in the third step, compressed air used by the spray gun must be dried and deoiled to ensure that the easy-clean liquid is not polluted, and the pressure of the compressed air is controlled to be 0.15-0.5 MPa.
9. The easy-clean coating process according to claim 1, wherein in the third step, the caliber of the spray gun is 0.5-1.5mm, and the spraying amount of the easy-clean liquid is controlled to be 3dm2and/mL, the glass surface is sprayed evenly on the whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111535411.7A CN114105485A (en) | 2021-12-15 | 2021-12-15 | Easy-to-clean coating process for glass surface |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111535411.7A CN114105485A (en) | 2021-12-15 | 2021-12-15 | Easy-to-clean coating process for glass surface |
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| Publication Number | Publication Date |
|---|---|
| CN114105485A true CN114105485A (en) | 2022-03-01 |
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| CN202111535411.7A Pending CN114105485A (en) | 2021-12-15 | 2021-12-15 | Easy-to-clean coating process for glass surface |
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Cited By (2)
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|---|---|---|---|---|
| CN115057629A (en) * | 2022-07-15 | 2022-09-16 | 佛山市恒洁凯乐德卫浴有限公司 | Glass with surface easy-to-clean function and preparation method thereof |
| CN116023038A (en) * | 2023-02-01 | 2023-04-28 | 咸宁南玻节能玻璃有限公司 | Hydrophilic self-cleaning glass and preparation method thereof |
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Cited By (2)
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| CN115057629A (en) * | 2022-07-15 | 2022-09-16 | 佛山市恒洁凯乐德卫浴有限公司 | Glass with surface easy-to-clean function and preparation method thereof |
| CN116023038A (en) * | 2023-02-01 | 2023-04-28 | 咸宁南玻节能玻璃有限公司 | Hydrophilic self-cleaning glass and preparation method thereof |
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