CN111807709A - Anti-dust coated glass, preparation method and application - Google Patents
Anti-dust coated glass, preparation method and application Download PDFInfo
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- CN111807709A CN111807709A CN202010710343.2A CN202010710343A CN111807709A CN 111807709 A CN111807709 A CN 111807709A CN 202010710343 A CN202010710343 A CN 202010710343A CN 111807709 A CN111807709 A CN 111807709A
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- 239000011521 glass Substances 0.000 title claims abstract description 203
- 239000000428 dust Substances 0.000 title claims abstract description 88
- 238000002360 preparation method Methods 0.000 title claims abstract description 27
- 238000005507 spraying Methods 0.000 claims abstract description 48
- 238000004140 cleaning Methods 0.000 claims abstract description 43
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 42
- 238000010438 heat treatment Methods 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 29
- 238000001816 cooling Methods 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 19
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000011248 coating agent Substances 0.000 claims abstract description 11
- 238000000576 coating method Methods 0.000 claims abstract description 11
- 239000000853 adhesive Substances 0.000 claims abstract description 10
- 230000001070 adhesive effect Effects 0.000 claims abstract description 10
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 9
- 238000000889 atomisation Methods 0.000 claims description 8
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 claims description 3
- 239000003431 cross linking reagent Substances 0.000 claims description 3
- 239000000178 monomer Substances 0.000 claims description 3
- PHQOGHDTIVQXHL-UHFFFAOYSA-N n'-(3-trimethoxysilylpropyl)ethane-1,2-diamine Chemical compound CO[Si](OC)(OC)CCCNCCN PHQOGHDTIVQXHL-UHFFFAOYSA-N 0.000 claims description 3
- 239000012974 tin catalyst Substances 0.000 claims description 3
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical group CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 23
- 240000002853 Nelumbo nucifera Species 0.000 abstract description 5
- 235000006508 Nelumbo nucifera Nutrition 0.000 abstract description 5
- 235000006510 Nelumbo pentapetala Nutrition 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000002045 lasting effect Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 11
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000011031 large-scale manufacturing process Methods 0.000 description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 3
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000003670 easy-to-clean Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000001755 magnetron sputter deposition Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000005348 self-cleaning glass Substances 0.000 description 2
- 238000000137 annealing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000005329 float glass Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 1
Images
Classifications
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- 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
- C03C17/006—Surface treatment of glass, not in the form of fibres or filaments, by coating with materials of composite character
-
- 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
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/28—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material
- C03C17/30—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material with silicon-containing compounds
-
- 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
- C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
- C03C23/0005—Other surface treatment of glass not in the form of fibres or filaments by irradiation
- C03C23/006—Other surface treatment of glass not in the form of fibres or filaments by irradiation by plasma or corona discharge
-
- 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
- C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
- C03C23/007—Other surface treatment of glass not in the form of fibres or filaments by thermal 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
- C03C2218/10—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
- C03C2218/32—After-treatment
Abstract
The invention discloses an anti-dust coated glass, a preparation method and application, wherein the method comprises the following steps of; cleaning two surfaces of the glass by using a glass cleaning machine, and testing a tin surface and an air surface of the glass; carrying out plasma bombardment on the cleaned glass to ensure that the contact angle of the two surfaces of the glass is less than 10 degrees, so that the surface of the glass has strong adhesive force; uniformly spraying hydrophobic anti-dust liquid on the air surface of the glass by adopting a wet spraying mode to form a compact hydrophobic anti-dust film; feeding the glass into a curing furnace for heating; and (5) transferring the glass into a cooling furnace for cooling to finish the preparation of the anti-dust glass coating. According to the principle of lotus leaf hydrophobic effect, the hydrophobic anti-dust liquid is sprayed on the surface of the glass, so that the surface structure of the glass is changed, a compact hydrophobic anti-dust film layer is formed, and the lasting anti-dust cleaning effect of the glass is realized. In addition, the plasma bombardment is firstly carried out, and then the spraying technology is adopted for spraying, so that the dust resistance effect is better, the cost is lower, and the efficiency is higher.
Description
Technical Field
The invention relates to the technical field of coated glass, in particular to anti-dust coated glass, a preparation method and application.
Background
In the glass cleaning technology, the more mature production process is hydrophilic TiO2The film series and the related preparation techniques are as follows: CN01110064.8 describes the preparation of TiO by a sol-gel process2The self-cleaning coated glass has the coating heat treatment temperature of 450-550 ℃, the heat treatment is carried out for about 2 hours, the heat treatment is carried out for a longer time at a high temperature, the production efficiency is low, the cost is high, and the practical production is not facilitated; CN00115361.7 describes the preparation of TiO by magnetron sputtering2The implementation and production process of the magnetron sputtering of the self-cleaning coated glass is complex and has high cost; CN200910097872.3 describes a spraying device equipped with a liquid storage tank and a spray gun at the outlet of an annealing kiln of a float glass production line, and nano TiO is sprayed on the surface of glass by using the float on-line spraying technology2A method for preparing self-cleaning coated glass by using a coating. However, hydrophilic TiO2The self-cleaning glass is mainly photo-induced nano TiO2Film, which requires UV irradiation, due to TiO2The surface of the glass is seriously stained with dust under the electrostatic action of the surface, the cleaning effect of the glass is ineffective after being covered by dust, and the cleaning durability is weak, so whether the cleaning effect of the glass is durable and effective or not is very important.
Disclosure of Invention
The invention aims to provide anti-dust coated glass, a preparation method and application, and aims to solve the problem that the existing anti-dust coated glass is poor in anti-dust cleaning effect.
The embodiment of the invention provides a preparation method of anti-dust coated glass, which comprises the following steps of;
cleaning two surfaces of the glass by using a glass cleaning machine, and testing a tin surface and an air surface of the glass;
carrying out plasma bombardment on the cleaned glass to ensure that the contact angle of the two surfaces of the glass is less than 10 degrees, so that the surface of the glass has strong adhesive force;
uniformly spraying hydrophobic anti-dust liquid on the air surface of the glass by adopting a wet spraying mode to form a compact hydrophobic anti-dust film;
feeding the glass into a curing furnace for heating;
and (5) transferring the glass into a cooling furnace for cooling to finish the preparation of the anti-dust glass coating.
Preferably, in the spraying process, the flow rate of a spray head of the spraying machine is 16-40 g/30s, the atomization pressure is 350-400 kPa, and the belt running speed is 1.5-2.5 m/min.
Preferably, the thickness of the hydrophobic anti-dust film is 50-1000 nm.
Preferably, the number of times of plasma bombardment is 2-3.
Preferably, the hydrophobic anti-ash liquid comprises 40-65% of organosilicon monomer, 10-20% of first silane coupling agent, 5-15% of second silane coupling agent, 0.1-2% of organic tin catalyst and 5-20% of cross-linking agent by mass percentage, wherein the first silane coupling agent is at least one selected from gamma-aminopropyltriethoxysilane and N- (beta-aminoethyl) -gamma-aminopropyltrimethoxysilane; the second silane coupling agent is gamma-glycidoxypropyltrimethoxysilane.
Preferably, the cooling time is 3-10 min.
Preferably, the heating temperature is 300-320 ℃.
Preferably, the heating time is 15 to 25 minutes.
The embodiment of the invention provides anti-dust coated glass which is prepared by adopting the preparation method.
The embodiment of the invention provides application of the anti-dust coated glass, wherein the anti-dust coated glass is applied to glass curtain walls, glass roofs of sunlight rooms, glass installed in buildings, flower greenhouse glass and automobile glass.
The embodiment of the invention provides anti-dust coated glass, a preparation method and application, wherein the method comprises the following steps of; cleaning two surfaces of the glass by using a glass cleaning machine, and testing a tin surface and an air surface of the glass; carrying out plasma bombardment on the cleaned glass to ensure that the contact angle of the two surfaces of the glass is less than 10 degrees, so that the surface of the glass has strong adhesive force; uniformly spraying hydrophobic anti-dust liquid on the air surface of the glass by adopting a wet spraying mode to form a compact hydrophobic anti-dust film; feeding the glass into a curing furnace for heating; and (5) transferring the glass into a cooling furnace for cooling to finish the preparation of the anti-dust glass coating. According to the embodiment of the invention, according to the principle of the lotus leaf hydrophobic effect, the hydrophobic anti-dust liquid is sprayed on the surface of the glass, so that the surface structure of the glass is changed, a compact hydrophobic anti-dust film layer is formed, and the lasting anti-dust cleaning effect of the glass is realized. In addition, the embodiment of the invention firstly carries out plasma bombardment and then adopts the spraying technology for spraying, so that the invention has better anti-dust effect, lower cost and higher efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic flow chart of a method for preparing anti-ash coated glass according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
Referring to fig. 1, an embodiment of the present invention provides a method for preparing an anti-ash coated glass, including;
s101, cleaning two surfaces of glass by using a glass cleaning machine, and testing a tin surface and an air surface of the glass;
s102, carrying out plasma bombardment on the cleaned glass to enable a contact angle between two surfaces of the glass to be smaller than 10 degrees, so that the surface of the glass has strong adhesive force;
s103, uniformly spraying hydrophobic anti-dust liquid on the air surface of the glass in a wet spraying mode to form a compact hydrophobic anti-dust film;
s104, feeding the glass into a curing furnace for heating;
and S105, transferring the glass into a cooling furnace for cooling to finish the preparation of the anti-dust glass coating.
According to the embodiment of the invention, according to the principle of lotus leaf hydrophobic effect, the anti-dust film layer is sprayed on the surface of glass, the surface structure of the glass is changed, and the compact anti-dust film layer is formed, so that the surface of the glass is quite compact and flat, and has high hydrophobicity, thus the lotus leaf-like hydrophobic effect is achieved, water cannot be completely adhered to the glass, meanwhile, the surface tension of the water generates a water drop-shaped phenomenon, water drops can naturally slide to take away dust, the dust cannot be accumulated on the surface of the glass, and compared with the water stain deposition of common glass, the long-term anti-dust cleaning effect shows obvious difference, and the durable anti-dust cleaning effect of the glass is realized.
By adopting the dust-resistant coated glass provided by the embodiment of the invention, dust is not easy to adhere to the surface of the glass; if there is dirt stuck on the surface due to static electricity, the ideal cleaning effect can be achieved by flushing with water, the glass is always kept clean as new, and the work of cleaning and wiping the glass repeatedly at regular intervals, which is time-consuming and labor-consuming, is avoided. In addition, the production process disclosed by the embodiment of the invention does not need long-time heat treatment, is simple in production process flow, uniform in film layer prepared by spraying, excellent in leveling effect, high in production efficiency and capable of realizing continuous large-scale production.
In the step S101, the cleaning solution of the glass cleaning machine may be deionized water, or other organic or inorganic solution for cleaning glass, and the step is to primarily clean glass, so that the tin surface and the air surface of the glass can achieve a better cleaning effect.
In the above step S102, the glass is subjected to plasma bombardment. In the plasma bombardment process, the bombardment process parameters are as follows: the plasma head may move at a starting point of 1.1m, an end point of 2.5m, and a moving speed of 3 m/s. Of course, the above process parameters can be adjusted left and right, and a better bombardment effect can be achieved. The purpose of plasma bombardment is to make the contact angle between the two surfaces of the glass less than 10 degrees, so that the glass surface has strong adhesion, even if the glass surface is cleaner, which is beneficial to the durability of the coating.
Specifically, the number of times of plasma bombardment is 2-3. Namely, the embodiment of the invention can carry out bombardment for a plurality of times so as to enable the surface of the glass to be cleaner, and a period of time can be arranged between adjacent bombardment operations so as to achieve better bombardment effect.
In step S103, the glass is sprayed on the air surface by a wet spraying method, and the hydrophobic anti-dust liquid can be uniformly attached to the air surface of the glass by the wet spraying method, so that a dense hydrophobic anti-dust film can be formed.
Specifically, in the spraying process, the flow of a spray head of the spraying machine is 16-40 g/30s, the atomization pressure is 350-400 kPa, and the belt speed is 1.5-2.5 m/min. Under the spraying process parameters, the coating is more uniform and compact, and the spraying efficiency is higher.
Specifically, the thickness of the hydrophobic anti-dust film is 50-1000 nm. More preferably, the thickness of the film layer of the hydrophobic anti-dust film is 450-650 nm, and the anti-dust effect of the hydrophobic anti-dust film is optimal under the thickness.
Specifically, the hydrophobic anti-ash liquid comprises 40-65% of organic silicon monomer, 10-20% of first silane coupling agent, 5-15% of second silane coupling agent, 0.1-2% of organic tin catalyst and 5-20% of cross-linking agent by mass percentage, wherein the first silane coupling agent is at least one selected from gamma-aminopropyltriethoxysilane and N- (beta-aminoethyl) -gamma-aminopropyltrimethoxysilane; the second silane coupling agent is gamma-glycidoxypropyltrimethoxysilane. The hydrophobic anti-dust liquid can react with active hydroxyl functional groups on the surface of glass to form chemical covalent bonds, so that the formed hydrophobic coating realizes strong adhesion, better ultraviolet irradiation resistance and heat resistance stability on the surface of the glass, and the surface energy of the organic silicon material is low, so that the hydrophobic anti-dust liquid has better hydrophobic and self-cleaning effects, thereby not only endowing the easy-to-clean glass with excellent weather resistance, meeting the outdoor long-term use requirement, but also endowing the glass with remarkable hydrophobic easy-to-clean effect.
In the step S104, the glass is sent into a curing furnace for heating, so as to quickly form the hydrophobic anti-ash film, the heating temperature can be 300 to 320 ℃, the hydrophobic anti-ash film has the best anti-ash effect at the temperature, and the heating time is 15 to 25 minutes at the temperature, namely, the hydrophobic anti-ash film is formed by heating at 300 to 320 ℃ for 15 to 25 minutes, and the heating efficiency is high.
In the step S105, the glass is transferred to a cooling furnace to be cooled, so that the preparation of the anti-dust glass coating film is completed. Specifically, the cooling time is 3-10 min, so that cooling can be completed more quickly, and the preparation efficiency is improved.
The embodiment of the invention provides anti-dust coated glass which is prepared by adopting the preparation method.
The embodiment of the invention provides application of the anti-dust coated glass, and the anti-dust coated glass is applied to glass curtain walls, glass roofs of sunlight rooms, glass for building interiors, flower greenhouse glass and automobile glass. The dust-resistant coated glass provided by the embodiment of the invention is wide in application, dust or sewage is difficult to attach to the surface of the glass or is easy to wash away by rainwater, and the surface of the glass is very easy to keep clean, namely: the glass is less prone to dust, can be washed by rainwater to be clean and dustless for a long time, and is strong in cleaning durability.
Example 1
The preparation method of the anti-dust coated glass comprises the following steps:
1. cleaning two surfaces of the glass by using a glass cleaning machine, and testing a tin surface and an air surface of the glass;
2. bombarding the cleaned glass twice by plasma, wherein the contact angle of the surface of the glass is less than 10 degrees before spraying, so that the surface of the glass has strong adhesive force;
3. uniformly spraying hydrophobic anti-ash liquid on the air surface of the glass by adopting a wet spraying mode, wherein the flow of a spray head of a spraying machine is 16g/30s, the atomization pressure is 350pa, the belt running speed is 1.5 m/min, and the thickness of a film layer is 50 nm;
4. feeding the glass into a curing furnace for heating, wherein the heating temperature is as follows: 300 ℃, heating time: 15 minutes;
5. and (5) transferring the glass into a cooling furnace to be cooled for 5 minutes to obtain a finished product.
Example 2
The preparation method of the anti-dust coated glass comprises the following steps:
step 1, cleaning two surfaces of glass by using a glass cleaning machine, and testing a tin surface and an air surface of the glass;
2, bombarding the cleaned glass twice by plasma, wherein the contact angle of the surface of the glass is less than 10 degrees before spraying, so that the surface of the glass has strong adhesive force;
step 3, uniformly spraying hydrophobic anti-dust liquid on the air surface of the glass by adopting a wet spraying mode, wherein the flow of a spray head of a spraying machine is 40g/30s, the atomization pressure is 400pa, the belt running speed is 1.5 m/min, and the thickness of a film layer is 1000 nm;
and 4, feeding the glass into a curing furnace for heating, wherein the heating temperature is as follows: 320 ℃, heating time: 25 minutes;
and 5, transferring the glass into a cooling furnace to be cooled for 5 minutes to finish the finished product.
Example 3
The preparation method of the anti-dust coated glass comprises the following steps:
step 1, cleaning two surfaces of glass by using a glass cleaning machine, and testing a tin surface and an air surface of the glass;
2, bombarding the cleaned glass twice by plasma, wherein the contact angle of the surface of the glass is less than 10 degrees before spraying, so that the surface of the glass has strong adhesive force;
step 3, uniformly spraying hydrophobic anti-dust liquid on the air surface of the glass by adopting a wet spraying mode, wherein the flow of a spray head of a spraying machine is 25g/30s, the atomization pressure is 360pa, the belt running speed is 2.5 m/min, and the thickness of a film layer is 450 nm;
and 4, feeding the glass into a curing furnace for heating, wherein the heating temperature is as follows: 315 ℃, heating time: 20 minutes;
and 5, transferring the glass into a cooling furnace to be cooled for 5 minutes to finish the finished product.
Example 4
The preparation method of the anti-dust coated glass comprises the following steps:
step 1, cleaning two surfaces of glass by using a glass cleaning machine, and testing a tin surface and an air surface of the glass;
2, bombarding the cleaned glass twice by plasma, wherein the contact angle of the surface of the glass is less than 10 degrees before spraying, so that the surface of the glass has strong adhesive force;
step 3, uniformly spraying hydrophobic anti-dust liquid on the air surface of the glass by adopting a wet spraying mode, wherein the flow of a spray head of a spraying machine is 30g/30s, the atomization pressure is 360pa, the belt running speed is 2.0 m/min, and the thickness of a film layer is 623 nm;
and 4, feeding the glass into a curing furnace for heating, wherein the heating temperature is as follows: 305 ℃, heating time: 22 minutes;
and 5, transferring the glass into a cooling furnace to be cooled for 3 minutes to finish the finished product.
Example 5
The preparation method of the anti-dust coated glass comprises the following steps:
step 1, cleaning two surfaces of glass by using a glass cleaning machine, and testing a tin surface and an air surface of the glass;
2, bombarding the cleaned glass twice by plasma, wherein the contact angle of the surface of the glass is less than 10 degrees before spraying, so that the surface of the glass has strong adhesive force;
step 3, uniformly spraying hydrophobic and anti-dust liquid on the air surface of the glass by adopting a wet spraying mode, wherein the flow rate of a spray head of a spraying machine is 36g/30s, the atomization pressure is 380pa, the belt running speed is 2.0 m/min, and the thickness of a film layer is 841 nm;
and 4, feeding the glass into a curing furnace for heating, wherein the heating temperature is as follows: 305 ℃, heating time: 25 minutes;
and 5, transferring the glass into a cooling furnace to be cooled for 10 minutes to finish the finished product.
The anti-dust coated glass prepared by the embodiment of the invention has a lotus leaf-like hydrophobic effect, so that water cannot be completely adhered to the glass, the surface tension of the water generates a water drop-like phenomenon, the water drops can naturally slide to take away dust, the dust cannot be accumulated on the surface of the glass, the anti-dust cleaning effect shows obvious difference compared with the water stain deposition of common glass, and the lasting anti-dust cleaning effect of the glass is realized.
The film layer prepared by spraying the embodiment of the invention is uniform and does not deform, the film layer does not cause small drops, the leveling effect is excellent, the film layer does not generate rainbow lines and spots, and the gray-resistant glass with lasting and clean effect as new is obtained.
The anti-dust coated glass prepared by the embodiment of the invention can be used for glass curtain walls, glass roofs of sunlight rooms, glass for building interiors, flower greenhouse glass and automobile glass. The preparation method provided by the embodiment of the invention does not need long-time heat treatment, is simple in production process flow and high in efficiency, and is suitable for continuous large-scale production.
The invention not only can solve the problem of hydrophilic TiO2The self-cleaning glass has the defect of weak durability of cleaning effect caused by serious dust adhesion on the surface of the glass, and meanwhile, the method does not need to carry out long-time heat treatment and adopt a complicated physical sputtering production process, has simple production process flow and high efficiency, and is suitable for continuous large-scale production.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
It is further noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (10)
1. A preparation method of anti-dust coated glass is characterized by comprising the following steps of;
cleaning two surfaces of the glass by using a glass cleaning machine, and testing a tin surface and an air surface of the glass;
carrying out plasma bombardment on the cleaned glass to ensure that the contact angle of the two surfaces of the glass is less than 10 degrees, so that the surface of the glass has strong adhesive force;
uniformly spraying hydrophobic anti-dust liquid on the air surface of the glass by adopting a wet spraying mode to form a compact hydrophobic anti-dust film;
feeding the glass into a curing furnace for heating;
and (5) transferring the glass into a cooling furnace for cooling to finish the preparation of the anti-dust glass coating.
2. The method for preparing the anti-dust coated glass according to claim 1, wherein in the spraying process, the flow rate of a spray head of a spraying machine is 16-40 g/30s, the atomization pressure is 350-400 kPa, and the belt speed is 1.5-2.5 m/min.
3. The method for preparing the anti-dust coated glass according to claim 1, wherein the thickness of the hydrophobic anti-dust film is 50-1000 nm.
4. The method for preparing the anti-dust coated glass according to claim 1, wherein the number of times of the plasma bombardment is 2-3.
5. The method for preparing the anti-dust coated glass according to claim 1, wherein the hydrophobic anti-dust liquid comprises 40-65% of organic silicon monomer, 10-20% of first silane coupling agent, 5-15% of second silane coupling agent, 0.1-2% of organic tin catalyst and 5-20% of cross-linking agent by mass percentage, wherein the first silane coupling agent is at least one selected from gamma-aminopropyltriethoxysilane and N- (beta-aminoethyl) -gamma-aminopropyltrimethoxysilane; the second silane coupling agent is gamma-glycidoxypropyltrimethoxysilane.
6. The method for preparing the anti-dust coated glass according to claim 1, wherein the cooling time is 3-10 min.
7. The method for preparing the anti-dust coated glass according to claim 1, wherein the heating temperature is 300-320 ℃.
8. The method for preparing the glass with an anti-dust coated film according to claim 7, wherein the heating time is 15-25 minutes.
9. An anti-dust coated glass, characterized by being prepared by the preparation method according to any one of claims 1 to 8.
10. The use of the glass according to claim 9, wherein the glass is used for glass curtain walls, glass roofs of sunlight rooms, glass for building interiors, glass for flower greenhouses and glass for automobiles.
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| CN115403275A (en) * | 2022-09-26 | 2022-11-29 | 咸宁南玻节能玻璃有限公司 | Glass protection solution, preparation method of glass protection solution and film forming method of glass protection solution |
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