CN116514405A - Anti-fingerprint easy-to-clean glass and preparation method thereof - Google Patents
Anti-fingerprint easy-to-clean glass and preparation method thereof Download PDFInfo
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- CN116514405A CN116514405A CN202310481053.9A CN202310481053A CN116514405A CN 116514405 A CN116514405 A CN 116514405A CN 202310481053 A CN202310481053 A CN 202310481053A CN 116514405 A CN116514405 A CN 116514405A
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- 239000011521 glass Substances 0.000 title claims abstract description 161
- 230000003666 anti-fingerprint Effects 0.000 title claims abstract description 61
- 230000003670 easy-to-clean Effects 0.000 title claims abstract description 57
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000000758 substrate Substances 0.000 claims abstract description 88
- 239000006116 anti-fingerprint coating Substances 0.000 claims abstract description 57
- 238000005498 polishing Methods 0.000 claims abstract description 50
- 238000004140 cleaning Methods 0.000 claims abstract description 43
- 238000007761 roller coating Methods 0.000 claims abstract description 40
- 238000000576 coating method Methods 0.000 claims abstract description 21
- 239000011248 coating agent Substances 0.000 claims abstract description 20
- 239000003814 drug Substances 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 238000001035 drying Methods 0.000 claims abstract description 6
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 238000005096 rolling process Methods 0.000 claims abstract description 6
- 239000003973 paint Substances 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 57
- 238000000034 method Methods 0.000 claims description 27
- 239000002904 solvent Substances 0.000 claims description 20
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 18
- 238000000227 grinding Methods 0.000 claims description 15
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 8
- 238000009835 boiling Methods 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 7
- 210000002268 wool Anatomy 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000002572 peristaltic effect Effects 0.000 claims description 5
- 229920002379 silicone rubber Polymers 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 210000004209 hair Anatomy 0.000 claims description 2
- 238000004381 surface treatment Methods 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 238000005507 spraying Methods 0.000 description 8
- 238000005299 abrasion Methods 0.000 description 5
- 238000007747 plating Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000002265 prevention Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical group [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- -1 fingers Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 125000000962 organic group Chemical group 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer 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
- C03C17/002—General methods for coating; Devices therefor for flat glass, e.g. float glass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/033—Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
-
- 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
- C03C2218/118—Deposition methods from solutions or suspensions by roller-coating
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Surface Treatment Of Glass (AREA)
Abstract
The invention relates to the technical field of glass surface treatment, in particular to a preparation method of anti-fingerprint easy-to-clean glass, which comprises the following steps: s1, taking a glass substrate, conveying the glass substrate to a wet polishing section, and polishing and cleaning the surface of the glass substrate by polishing equipment; s2, conveying the glass substrate subjected to the first cleaning treatment into a high-pressure flat plate cleaning machine for cleaning by 10 groups of brush rolling brushes, and drying after finishing the cleaning; s3, placing the anti-fingerprint coating into a roller coating container, conveying the anti-fingerprint coating into a liquid medicine groove of a roller coater by a pump, and uniformly roller-coating the anti-fingerprint coating onto the surface of the glass substrate by the roller coater; and S4, conveying the glass substrate after the roller coating is finished to a heating device for surface baking treatment, so as to obtain the anti-fingerprint easy-to-clean glass. The anti-fingerprint easy-to-clean glass prepared by the preparation method has the advantages of high coating thickness uniformity, no occurrence of stripe phenomenon, less use amount of anti-fingerprint paint and high production efficiency.
Description
Technical Field
The invention relates to the technical field of glass surface treatment, in particular to anti-fingerprint easy-to-clean glass and a preparation method thereof.
Background
When people use the electronic product, the surface of the screen is often stained by substances such as fingers, grease, dust and the like, so that the phenomena such as fingerprints, stains and the like appear on the screen, the look and feel and definition of the screen are reduced, and the user experience is influenced. To improve this problem, currently, an Anti-fingerprint coating (Anti-finger coating) is often used, i.e., a coating containing reactive silane groups and fluorine-modified organic groups. The anti-fingerprint coating is sprayed on the substrate in a spraying mode, and a coating is formed on the surface of the substrate, so that the effects of dust prevention, oil stain prevention, fingerprint prevention and the like are achieved.
However, the conventional spraying process has the problems of low production efficiency, large paint loss in the spraying process, occurrence of spray mark stripes on the sprayed surface and poor uniformity of the coating. In addition, the solvent volatilizes greatly in the spraying atomization process, and the air flow generated in the spraying processing process can also generate a overflow plating phenomenon on the back of the processed product, so that the post-process steps and the production cost are increased.
The above drawbacks are to be overcome by those skilled in the art.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and the first aspect of the invention provides a preparation method of anti-fingerprint easy-to-clean glass.
Based on the first aspect of the invention, the second aspect of the invention also provides the anti-fingerprint easy-to-clean glass prepared by the method.
In order to solve the technical problems, the invention adopts the following technical scheme:
a preparation method of anti-fingerprint easy-to-clean glass comprises the following steps:
step S1, first cleaning treatment of glass substrate
Taking a glass substrate, placing the glass substrate on a segment, conveying the glass substrate to a wet polishing section by a conveying table, and polishing and cleaning the surface of the glass substrate by polishing equipment;
step S2, a second cleaning treatment of the glass substrate
Conveying the glass substrate subjected to the first cleaning treatment into a high-pressure plate cleaning machine for cleaning by 10 groups of brush rolling brushes, and drying after cleaning;
step S3, roll coating the glass substrate
The method comprises the steps that anti-fingerprint coating is contained in a roller coating container, a pump conveys the anti-fingerprint coating to a liquid medicine tank of a roller coater, and the roller coater uniformly rolls the anti-fingerprint coating on the surface of a glass substrate;
step S4, baking treatment
And conveying the glass substrate after the roller coating to a heating device for surface baking treatment, and obtaining the anti-fingerprint easy-to-clean glass after baking.
Further, in the step S1, a robot is used to put the glass substrate on a segment, the glass substrate is transferred to a wet polishing section by a transfer table, and polishing equipment performs polishing cleaning treatment on the surface of the glass substrate; polishing sheets are adhered to the grinding heads of the polishing equipment.
Preferably, the polishing sheet is any one of a sponge wheel, a wool wheel and a pig wool wheel; one surface of the polishing sheet is adhered with a magic tape, and the polishing sheet is adhered to a grinding head of the grinding equipment through the magic tape.
Further, in the step S3, the fluorocarbon solvent viscosity of the anti-fingerprint coating is 12.5cps to 13.5cps, and the boiling range is 150 ℃ to 180 ℃; the specific gravity of the fluorocarbon solvent of the anti-fingerprint coating is 1:1.8, and the leveling property is 2-5 s.
Preferably, in the step S3, a peristaltic pump is used to convey the anti-fingerprint coating to a liquid medicine tank of a roller coater; the material taking roller in the roller coater rotates from the liquid medicine groove to take materials, the material taking roller evenly transmits the anti-fingerprint coating to the material transmitting roller through rotation, the material transmitting roller evenly transmits the anti-fingerprint coating to the flow line roller through rotation, the flow line roller finally transmits the anti-fingerprint coating to the roller coating press roller through rotation, the glass substrate is transmitted through the transmission synchronous belt, and the roller coating press roller evenly coats the anti-fingerprint coating on the surface of the glass substrate.
Preferably, at least one of the following features (1) to (3) is included:
(1) The material of the material taking roller, the material conveying roller and the flow line roller is stainless steel;
(2) The roller coating compression roller is made of organic silicon rubber;
(3) The surface of the flow line roller is carved with mesh line patterns for controlling flow, and the mesh lines are 60-100 lines.
Preferably, in the step S3, the roll coating amount of the anti-fingerprint coating material on the surface of the glass substrate is 18g/m 2 ～25g/m 2 。
Further, in the step S4, the heating device is a tunnel furnace; the baking temperature is 130-180 ℃ and the baking time is 5-30 min when the surface baking treatment is carried out.
Preferably, the length of the furnace body of the tunnel furnace is 30-90 m, and the width of the tunnel furnace is 1-3 m.
An anti-fingerprint easy-to-clean glass is prepared by the preparation method of the anti-fingerprint easy-to-clean glass.
Compared with the prior art, the invention has the following beneficial effects:
1. the coating thickness uniformity of the anti-fingerprint easy-to-clean glass prepared by the preparation method provided by the invention is high, the phenomenon of stripes can not occur, the back surface is pollution-free, the phenomenon of overflow plating can not occur, and the post-process steps and the production cost for the phenomenon of overflow plating are saved.
2. The volatilization loss of the anti-fingerprint paint is less, and the utilization rate is high; compared with the mode of adopting the spraying, the mode through the roller coat will prevent that fingerprint coating evenly roll-coating to the surface of glass substrate, have that the use amount of fingerprint coating is few, the easy operation of roller coat machine, clean convenient advantage.
3. According to the invention, the fluorocarbon solvent of the anti-fingerprint coating is greatly slowed down in volatilization speed and good in leveling property by adjusting the specific gravity of the fluorocarbon solvent and adjusting the viscosity and the boiling range of the fluorocarbon solvent, the anti-fingerprint coating is suitable for a roller coating process, and the coating coated on the surface of a glass substrate by roller coating is uniform and has no lines, and the roller coating effect is good.
4. The continuous operation modes of the robot, the polishing equipment, the high-pressure flat plate cleaning machine, the roller coater, the tunnel furnace and the robot are adopted, the automatic operation of the program is utilized, the process parameters are stabilized, and the working efficiency is improved; meanwhile, the step of manual carrying is omitted, and the safety of staff is guaranteed.
Drawings
FIG. 1 is a flow chart of a method for preparing anti-fingerprint easy-to-clean glass.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
A preparation method of anti-fingerprint easy-to-clean glass comprises the following steps:
step S1, first cleaning treatment of glass substrate
And taking the glass substrate, placing the glass substrate on the segment by using a robot, conveying the glass substrate to a wet polishing segment by using a conveying table, and polishing and cleaning the surface of the glass substrate by using polishing equipment. Specifically, the glass substrate is glass with smooth surface or etched glass with over-etched surface.
Polishing sheets are adhered to the grinding heads of the polishing equipment, and the polishing sheets are any one of sponge wheels, wool wheels and pig hair wheels. One surface of the polishing sheet is adhered with a magic tape, and the polishing sheet is adhered to a grinding head of the grinding equipment through the magic tape.
Step S2, a second cleaning treatment of the glass substrate
And (3) conveying the glass substrate subjected to the first cleaning treatment into a high-pressure plate cleaning machine for cleaning by 10 groups of brush rolling brushes, and drying after cleaning.
Step S3, roll coating the glass substrate
The anti-fingerprint coating is put into a roller coating container, and a peristaltic pump conveys the anti-fingerprint coating into a liquid medicine tank of a roller coater; then, the material taking roller in the roller coater rotates from the liquid medicine tank to take materials, the material taking roller evenly transmits the anti-fingerprint coating to the material transmitting roller through rotation, the material transmitting roller evenly transmits the anti-fingerprint coating to the flow line roller through rotation, the flow line roller finally transmits the anti-fingerprint coating to the roller coating press roller through rotation, the glass substrate is transmitted through the transmission synchronous belt, and the roller coating press roller evenly coats the anti-fingerprint coating on the surface of the glass substrate. Compared with the traditional spraying process, the anti-fingerprint coating is uniformly coated on the surface of the glass substrate by roller, so that the coating thickness uniformity is high, the phenomenon of stripes can not occur, the back surface is pollution-free, the phenomenon of overflow plating can not occur, and the post-process steps and the production cost for the phenomenon of overflow plating are saved.
Specifically, the fluorocarbon solvent viscosity of the anti-fingerprint coating is 12.5cps to 13.5cps, and the boiling range is 150 ℃ to 180 ℃; the specific gravity of the fluorocarbon solvent of the anti-fingerprint coating is 1:1.8, and the leveling property is 2-5 s; the roll coating amount of the anti-fingerprint coating roll coated on the surface of the glass substrate is 18g/m 2 ～25g/m 2 。
In general, fluorocarbon solvents are highly volatile solvents that are applied or sprayed onto the glass surface and volatilize after about 1 to 3 seconds of exposure to air, and thus are not suitable for roll coating processes and are only suitable for spray coating processes. The invention greatly slows down the volatilization speed of the fluorocarbon solvent by adjusting the specific gravity of the fluorocarbon solvent of the anti-fingerprint coating and adjusting the viscosity and boiling range of the fluorocarbon solvent, and the fluorocarbon solvent can be volatilized after being coated on the surface of glass for two hours at normal temperature; the anti-fingerprint coating is suitable for a roller coating process, and the roller coating is uniform in coating on the surface of the glass substrate, has no texture and has a good roller coating effect.
Further, the material of the material taking roller, the material conveying roller and the material flow line roller is stainless steel, and preferably, the material of the material taking roller, the material conveying roller and the material flow line roller is stainless steel with the reference number of more than 304; the roller coating compression roller is made of organic silicon rubber. The surface of the flow line roller is carved with mesh line patterns for controlling flow, and the mesh lines are 60-100 lines.
Step S4, baking treatment
And conveying the glass substrate after the roller coating to a heating device for surface baking treatment, and obtaining the anti-fingerprint easy-to-clean glass after baking.
Specifically, the heating device is a tunnel furnace, the length of the furnace body of the tunnel furnace is 30-90 m, and the width of the furnace body is 1-3 m. The baking temperature is 130-180 ℃ and the baking time is 5-30 min when the surface baking treatment is carried out.
An anti-fingerprint easy-to-clean glass is prepared by the preparation method of the anti-fingerprint easy-to-clean glass.
Embodiments and advantageous effects of the present invention are further illustrated below by way of 6 examples.
Example 1
The glass substrate in this embodiment is etched glass with an etched surface, and specifically, the glass substrate is etched beige glass with an etched surface.
(1) First cleaning treatment of glass substrates
And taking the glass substrate, placing the glass substrate on the segment by using a robot, conveying the glass substrate to a wet polishing segment by using a conveying table, and polishing and cleaning the surface of the glass substrate by using polishing equipment.
Polishing sheets are adhered to the grinding heads of the polishing equipment, the polishing sheets are sponge wheels, and the density of the sponge wheels is 22kg/m 3 . One surface of the polishing sheet is adhered with a magic tape, and the polishing sheet is adhered to a grinding head of the grinding equipment through the magic tape.
(2) Second cleaning treatment of glass substrates
And (3) conveying the glass substrate subjected to the first cleaning treatment into a high-pressure plate cleaning machine for cleaning by 10 groups of brush rolling brushes, and drying after cleaning.
(3) Roller coating treatment
The anti-fingerprint coating is put into a roller coating container, and a peristaltic pump conveys the anti-fingerprint coating into a liquid medicine tank of a roller coater; then, the material taking roller in the roller coater rotates from the liquid medicine tank to take materials, the material taking roller evenly transmits the anti-fingerprint coating to the material transmitting roller through rotation, the material transmitting roller evenly transmits the anti-fingerprint coating to the flow line roller through rotation, the flow line roller finally transmits the anti-fingerprint coating to the roller coating press roller through rotation, the glass substrate is transmitted through the transmission synchronous belt, and the roller coating press roller evenly coats the anti-fingerprint coating on the surface of the glass substrate.
Specifically, the fluorocarbon solvent viscosity of the anti-fingerprint coating is 12.9cps to 13.0cps, and the boiling range is 150 ℃ to 160 ℃; the specific gravity of the fluorocarbon solvent of the anti-fingerprint coating is 1:1.8, and the leveling property is 3s; the roller coating speed of the anti-fingerprint coating on the surface of the glass substrate is 7m/min, and the roller coating amount is 22g/m 2 。
Further, the material of the material taking roller, the material conveying roller and the material flow line roller is stainless steel, and preferably, the material of the material taking roller, the material conveying roller and the material flow line roller is stainless steel with the reference number of more than 304; the roller coating compression roller is made of organic silicon rubber. The surface of the flow line roller is carved with mesh line patterns for controlling flow, and the mesh line is 80 lines.
(4) Baking treatment
And (3) conveying the glass substrate subjected to roller coating to a tunnel furnace for surface baking treatment, wherein the baking temperature is 145 ℃, and the baking time is 5-6 min, so that the fingerprint-proof easy-to-clean glass is obtained after baking.
Specifically, the heating device is a tunnel furnace, and the length of the furnace body of the tunnel furnace is 35m, and the width of the furnace body of the tunnel furnace is 1.5m.
Example 2
In this embodiment, the glass substrate was a beige etched glass with an etched surface, and was changed to a grayish etched glass, and the same procedure was followed as in example 1.
Example 3
In this embodiment, the glass substrate was a blue etched glass instead of a beige etched glass with an etched surface, and the procedure was the same as in example 1.
Product performance test
The anti-fingerprint easy-to-clean glass prepared in examples 1 to 3 was subjected to a water drop corner test. Subsequently, the anti-fingerprint easy-to-clean glass prepared in examples 1 to 3 was subjected to an anti-friction test, and 3 layers of lint (1 cm. Times.1 cm) were used to load 500g of pressure, and the anti-fingerprint easy-to-clean glass prepared was repeatedly rubbed on the surface of the anti-fingerprint easy-to-clean glass at a level of 5000 times, with a pressure of 5N/cm during rubbing 2 The friction distance was 40mm, the frequency was 30 times/min, and after the friction was completed, a drop angle test was performed again, and the obtained test results are shown in table 1:
table 1: anti-fingerprint easy-to-clean glass prepared in examples 1-3 results of anti-friction detection
As can be seen from table 1:
firstly, the anti-fingerprint easy-to-clean glass prepared in the examples 1-3 has the water drop angle test results of more than 110 degrees before the friction test is carried out, and the higher the water drop angle is, the better the hydrophobicity is; the better the hydrophobicity, the better the anti-fingerprint ability, so that the anti-fingerprint easy-to-clean glass prepared in examples 1 to 3 can be demonstrated to have good anti-fingerprint performance.
Secondly, before the abrasion resistance test, the water drop angle test is sequentially carried out at different three points of the anti-fingerprint easy-to-clean glass prepared in the examples 1 to 3. As can be seen from Table 1, the error values of the water drop angle test results of the anti-fingerprint easy-to-clean glass prepared in examples 1 to 3 at different three points are all smaller than 3 degrees, so that the anti-fingerprint easy-to-clean glass prepared in examples 1 to 3 can be demonstrated to have good coating uniformity.
Finally, after the abrasion resistance test, the water drop angle of the anti-fingerprint easy-to-clean glass prepared in the examples 1 to 3 is not changed greatly, so that the anti-fingerprint easy-to-clean glass prepared in the examples 1 to 3 can be demonstrated to have good abrasion resistance.
Example 4
The glass substrate in this embodiment is a smooth-surfaced glass, and specifically, the glass substrate is a smooth-surfaced black glass.
(1) First cleaning treatment of glass substrates
And taking the glass substrate, placing the glass substrate on the segment by using a robot, conveying the glass substrate to a wet polishing segment by using a conveying table, and polishing and cleaning the surface of the glass substrate by using polishing equipment.
Polishing sheets are adhered to the grinding heads of the polishing equipment, and the polishing sheets are wool wheels. One surface of the polishing sheet is adhered with a magic tape, and the polishing sheet is adhered to a grinding head of the grinding equipment through the magic tape.
(2) Second cleaning treatment of glass substrates
And (3) conveying the glass substrate subjected to the first cleaning treatment into a high-pressure plate cleaning machine for cleaning by 10 groups of brush rolling brushes, and drying after cleaning.
(3) Roller coating treatment
The anti-fingerprint coating is put into a roller coating container, and a peristaltic pump conveys the anti-fingerprint coating into a liquid medicine tank of a roller coater; then, the material taking roller in the roller coater rotates from the liquid medicine tank to take materials, the material taking roller evenly transmits the anti-fingerprint coating to the material transmitting roller through rotation, the material transmitting roller evenly transmits the anti-fingerprint coating to the flow line roller through rotation, the flow line roller finally transmits the anti-fingerprint coating to the roller coating press roller through rotation, the glass substrate is transmitted through the transmission synchronous belt, and the roller coating press roller evenly coats the anti-fingerprint coating on the surface of the glass substrate.
Specifically, the fluorocarbon solvent viscosity of the anti-fingerprint coating is 12.9cps to 13.0cps, and the boiling range is 150 ℃ to 160 ℃; the specific gravity of the fluorocarbon solvent of the anti-fingerprint coating is 1:1.8, and the leveling property is 3s; the roller coating speed of the anti-fingerprint coating on the surface of the glass substrate is 6m/min, and the roller coating amount is 22g/m 2 。
Further, the material of the material taking roller, the material conveying roller and the material flow line roller is stainless steel, and preferably, the material of the material taking roller, the material conveying roller and the material flow line roller is stainless steel with the reference number of more than 304; the roller coating compression roller is made of organic silicon rubber. The surface of the flow line roller is carved with mesh line patterns for controlling flow, and the mesh line is 60 lines.
(4) Baking treatment
And (3) conveying the glass substrate subjected to roller coating to a tunnel furnace for surface baking treatment, wherein the baking temperature is 150 ℃, and the baking time is 12-20 min, so that the fingerprint-proof easy-to-clean glass is obtained after baking.
Specifically, the heating device is a tunnel furnace, and the length of the furnace body of the tunnel furnace is 45m, and the width of the furnace body of the tunnel furnace is 1.5m.
Example 5
In this embodiment, the glass substrate was changed to a black glass having a smooth surface, and the glass substrate was changed to a white glass having a smooth surface, and the same procedure as in example 4 was repeated.
Example 6
In this embodiment, the glass substrate was changed to a black glass having a smooth surface, and a blue glass having a smooth surface, and the same procedure as in example 4 was repeated.
Product performance test
The anti-fingerprint easy-to-clean glass prepared in examples 4 to 6 was subjected to a water drop corner test. Subsequently, the anti-fingerprint easy-to-clean glass prepared in examples 4 to 6 was subjected to an anti-abrasion test, and a pressure of 500g was applied to the anti-fingerprint easy-to-clean glass prepared in examples 4 to 6 by using a steel wool (0000#, 2 cm. Times.2 cm), and the anti-fingerprint easy-to-clean glass was repeatedly rubbed 1500 times at a pressure of 5N/cm during rubbing 2 The friction distance is 40mm, the frequency is 40 times/min, the laboratory humidity is less than or equal to 55%, and after friction, a water drop angle test is carried out again, and the obtained test results are shown in Table 2:
table 2: anti-fingerprint easy-to-clean glass prepared in examples 4-6 results of anti-friction detection
As can be seen from table 2:
firstly, the anti-fingerprint easy-to-clean glass prepared in examples 4 to 6 has the water drop angle test results of more than 110 degrees before the friction test is carried out, and the higher the water drop angle is, the better the hydrophobicity is; the better the hydrophobicity, the better the anti-fingerprint ability, so that the anti-fingerprint easy-to-clean glass prepared in examples 4 to 6 can be demonstrated to have good anti-fingerprint performance.
Secondly, before the abrasion resistance test, the water drop angle test is carried out at different three points of the anti-fingerprint easy-to-clean glass prepared in examples 4 to 6. As can be seen from Table 2, the error values of the water drop angle test results of the anti-fingerprint easy-to-clean glass prepared in examples 4 to 6 at different three points are all smaller than 3 degrees, so that the anti-fingerprint easy-to-clean glass prepared in examples 4 to 6 can be demonstrated to have good coating uniformity.
Finally, after the friction resistance test, the water drop angles of the anti-fingerprint easy-to-clean glass prepared in the examples 4 to 6 are all larger than 100 degrees, so that the anti-fingerprint easy-to-clean glass prepared in the examples 4 to 6 can be proved to have good friction resistance.
The above examples are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present invention should be made in the equivalent manner, and the embodiments are included in the protection scope of the present invention.
Claims (10)
1. The preparation method of the fingerprint-proof easy-to-clean glass is characterized by comprising the following steps of:
step S1, first cleaning treatment of glass substrate
Taking a glass substrate, placing the glass substrate on a segment, conveying the glass substrate to a wet polishing section by a conveying table, and polishing and cleaning the surface of the glass substrate by polishing equipment;
step S2, a second cleaning treatment of the glass substrate
Conveying the glass substrate subjected to the first cleaning treatment into a high-pressure plate cleaning machine for cleaning by 10 groups of brush rolling brushes, and drying after cleaning;
step S3, roll coating the glass substrate
The method comprises the steps that anti-fingerprint coating is contained in a roller coating container, a pump conveys the anti-fingerprint coating to a liquid medicine tank of a roller coater, and the roller coater uniformly rolls the anti-fingerprint coating on the surface of a glass substrate;
step S4, baking treatment
And conveying the glass substrate after the roller coating to a heating device for surface baking treatment, and obtaining the anti-fingerprint easy-to-clean glass after baking.
2. The method for preparing the anti-fingerprint easy-to-clean glass according to claim 1, wherein in the step S1, a robot is used for placing a glass substrate on a segment, a conveying table is used for conveying the glass substrate to a wet polishing section, and polishing equipment is used for polishing and cleaning the surface of the glass substrate; polishing sheets are adhered to the grinding heads of the polishing equipment.
3. The method for preparing the anti-fingerprint easy-to-clean glass according to claim 2, wherein the polishing sheet is any one of a sponge wheel, a wool wheel and a pig hair wheel; one surface of the polishing sheet is adhered with a magic tape, and the polishing sheet is adhered to a grinding head of the grinding equipment through the magic tape.
4. The method for preparing the anti-fingerprint easy-to-clean glass according to claim 1, wherein in the step S3, the fluorocarbon solvent viscosity of the anti-fingerprint paint is 12.5cps to 13.5cps, and the boiling range is 150 ℃ to 180 ℃; the specific gravity of the fluorocarbon solvent of the anti-fingerprint coating is 1:1.8, and the leveling property is 2-5 s.
5. The method for preparing anti-fingerprint easy-to-clean glass according to claim 4, wherein in the step S3, a peristaltic pump is used to convey the anti-fingerprint paint into a liquid medicine tank of a roll coater; the material taking roller in the roller coater rotates from the liquid medicine groove to take materials, the material taking roller evenly transmits the anti-fingerprint coating to the material transmitting roller through rotation, the material transmitting roller evenly transmits the anti-fingerprint coating to the flow line roller through rotation, the flow line roller finally transmits the anti-fingerprint coating to the roller coating press roller through rotation, the glass substrate is transmitted through the transmission synchronous belt, and the roller coating press roller evenly coats the anti-fingerprint coating on the surface of the glass substrate.
6. The method for producing an anti-fingerprint easy-to-clean glass according to claim 5, comprising at least one of the following features (1) to (3):
(1) The material of the material taking roller, the material conveying roller and the flow line roller is stainless steel;
(2) The roller coating compression roller is made of organic silicon rubber;
(3) The surface of the flow line roller is carved with mesh line patterns for controlling flow, and the mesh lines are 60-100 lines.
7. The method for preparing anti-fingerprint easy-to-clean glass according to claim 4, wherein in the step S3, the roll coating amount of the anti-fingerprint coating material roll-coated on the surface of the glass substrate is 18g/m 2 ～25g/m 2 。
8. The method for preparing anti-fingerprint easy-to-clean glass according to claim 1, wherein in the step S4, the heating device is a tunnel furnace; the baking temperature is 130-180 ℃ and the baking time is 5-30 min when the surface baking treatment is carried out.
9. The method for preparing the fingerprint-resistant easy-to-clean glass according to claim 8, wherein the length of the furnace body of the tunnel furnace is 30-90 m, and the width of the tunnel furnace is 1-3 m.
10. An anti-fingerprint easy-to-clean glass, characterized in that the anti-fingerprint easy-to-clean glass is prepared by the preparation method of the anti-fingerprint easy-to-clean glass as claimed in any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310481053.9A CN116514405A (en) | 2023-04-28 | 2023-04-28 | Anti-fingerprint easy-to-clean glass and preparation method thereof |
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| CN202310481053.9A CN116514405A (en) | 2023-04-28 | 2023-04-28 | Anti-fingerprint easy-to-clean glass and preparation method thereof |
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