CN114989676A - Transparent anti-icing and anti-frost film perfused with dimethyl sulfoxide solution as well as preparation method and application thereof - Google Patents
Transparent anti-icing and anti-frost film perfused with dimethyl sulfoxide solution as well as preparation method and application thereof Download PDFInfo
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- CN114989676A CN114989676A CN202110227544.1A CN202110227544A CN114989676A CN 114989676 A CN114989676 A CN 114989676A CN 202110227544 A CN202110227544 A CN 202110227544A CN 114989676 A CN114989676 A CN 114989676A
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- icing
- frost
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- dimethyl sulfoxide
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- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000011248 coating agent Substances 0.000 claims abstract description 26
- 238000000576 coating method Methods 0.000 claims abstract description 26
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 23
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000758 substrate Substances 0.000 claims abstract description 18
- 238000004528 spin coating Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 13
- 238000002834 transmittance Methods 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 2
- 239000001257 hydrogen Substances 0.000 abstract description 2
- 230000006911 nucleation Effects 0.000 abstract description 2
- 238000010899 nucleation Methods 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 16
- 239000011521 glass Substances 0.000 description 10
- 239000000523 sample Substances 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000010008 shearing Methods 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000005660 hydrophilic surface Effects 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000009528 severe injury Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
- 238000000870 ultraviolet spectroscopy Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D129/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Coating compositions based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Coating compositions based on derivatives of such polymers
- C09D129/02—Homopolymers or copolymers of unsaturated alcohols
- C09D129/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
-
- 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
- C03C17/32—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material with synthetic or natural resins
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/20—Diluents or solvents
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/18—Materials not provided for elsewhere for application to surfaces to minimize adherence of ice, mist or water thereto; Thawing or antifreeze materials for application to surfaces
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The invention discloses a transparent anti-icing and anti-frost film perfused with dimethyl sulfoxide solution, a preparation method and application thereof, wherein the preparation method comprises the following steps: coating a coating solution on a substrate in a spin coating manner to obtain a transparent anti-icing and anti-frost film, wherein the coating solution comprises polyvinyl alcohol and dimethyl sulfoxide, and the ratio of the polyvinyl alcohol to the dimethyl sulfoxide is 1: (3-10). The transparent anti-icing and anti-frost film is easy to prepare and good in transparency, a mechanism of hydrogen bond icing nucleation formed between water molecules is inhibited by utilizing the bonding of-OH in DMSO molecules and the water molecules, the ice adhesion strength on the surface of the transparent anti-icing and anti-frost film is low, and the anti-frost time is long.
Description
Technical Field
The invention belongs to the technical field of anti-icing materials, and particularly relates to a transparent anti-icing and anti-frost film filled with dimethyl sulfoxide solution, and a preparation method and application thereof.
Background
The icing and frosting on the surface of the material bring much inconvenience to people, cause economic loss, and even possibly influence the normal operation of human society, so that the lives and properties of people are damaged. The icing and frosting on the surface of the material can generate adverse factors in various fields of aviation, electric power, daily life and the like. For example, in the field of aviation, ice accretion on the surface of an aircraft can change the shape of the aircraft, thereby causing the aircraft to lose stability and also easily causing severe damage to equipment such as aircraft engines and wind turbines. In the aspect of transportation, icing of any equipment of automobiles, trains and high-speed rails can influence the traveling of people. In the aspect of electric power, icing on the surface of a high-voltage transmission line can cause the breakage of a transmission network, and the daily electricity utilization is seriously influenced. Therefore, how to prevent ice coating becomes an increasingly focused issue.
At present, the ice coating prevention method for the surface of the material mainly comprises two main types: active anti-icing methods and passive anti-icing methods. These two methods are the two main strategies of preventing surface icing and removing surface icing after icing, respectively. Traditional passive anti-icing methods, including electrothermal, chemical, mechanical, have become the mainstream method of choice for anti-icing due to their high cost, low efficiency, time and labor consuming, or environmental unfriendliness. The active anti-icing coating can effectively delay and inhibit icing, and accumulated ice can be removed even by external force such as wind or gravity.
At present, although a great deal of research has been carried out at home and abroad on the method of preparing the active anti-icing and anti-frost coating aiming at anti-icing and anti-frost, certain progress has been made, but in the aspect of transparency, the wide application of the active anti-icing and anti-frost coating in practice is seriously influenced because most materials have rough surfaces and are opaque due to diffuse reflection.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a transparent anti-icing and anti-frost film perfused with a dimethyl sulfoxide solution, wherein the transparent anti-icing and anti-frost film is of a film structure with DMSO (dimethylsulfoxide) properties on the surface.
The invention also aims to provide a preparation method of the transparent anti-icing and anti-frost film.
The invention also aims to provide the application of the transparent anti-icing and anti-frost film in anti-icing and anti-frost.
The purpose of the invention is realized by the following technical scheme.
A preparation method of a transparent anti-icing and anti-frost film perfused with dimethyl sulfoxide solution comprises the following steps:
coating a coating solution on a substrate in a spin coating manner to obtain a transparent anti-icing and anti-frost film, wherein the coating solution comprises polyvinyl alcohol (PVA) and dimethyl sulfoxide, and the ratio of the PVA to the dimethyl sulfoxide is 1: (3-10).
In the technical scheme, the coating solution further comprises water, and the ratio of the polyvinyl alcohol to the dimethyl sulfoxide to the water is 1 (3-10) to 0.1-6 in parts by weight.
In the above technical scheme, the step of preparing the coating solution is: mixing polyvinyl alcohol and dimethyl sulfoxide, and stirring for 10-20 h at 100-120 ℃ until a clear solution is obtained.
In the above technical scheme, the step of preparing the coating solution is: mixing polyvinyl alcohol and dimethyl sulfoxide, stirring for 6-15 h at 80-130 ℃, adding water, and stirring for 6-10 h at 80-130 ℃ until a clear solution is obtained.
In the technical scheme, the rotation speed of the spin coating is 300-600 r/min, and the spin coating time is 500-900 s.
In the above technical scheme, the spin coating is followed by standing for at least 12 hours.
In the above technical scheme, the substrate is glass, an aluminum sheet or a nickel sheet.
The transparent anti-icing and anti-frost film is applied to ice resistance and frost resistance.
In the technical scheme, the water contact angle of the transparent anti-icing and anti-frost film is 25-35 degrees.
In the technical scheme, the frost resistance time of the transparent anti-icing and frost-resistant film is at least 60min at the temperature of minus 10 ℃ and the relative humidity of 60%.
In the technical scheme, the ice adhesion strength of the transparent ice-resistant and frost-resistant film is 19-31 kpa.
In the technical scheme, the light transmittance of the transparent anti-icing and anti-frost film is more than 85% within 300-800 nm.
The transparent anti-icing and anti-frost film obtained by the preparation method.
Compared with the prior art, the invention has the beneficial effects that:
(1) the transparent anti-icing and anti-frost film is easy to prepare, does not need various medicines, and can be obtained by a simple spin-coating method only by polyvinyl alcohol and dimethyl sulfoxide with different proportions.
(2) Excellent ice and frost resistance. The mechanism that hydrogen bonds are formed between water molecules to form icing nucleation is inhibited by bonding DMSO molecules with-OH in the water molecules, the ice adhesion strength on the surface of the transparent anti-icing and anti-frost film is low, and the anti-frost time is long.
(3) The transparent anti-icing and anti-frost film has good integral transparency and has use value in daily life and industrial and agricultural production.
Drawings
FIG. 1 is a schematic diagram showing the apparent contact angle measurement of the transparent anti-icing and anti-frost film obtained in example 1;
FIG. 2 is a process diagram illustrating the frost resistance of the transparent anti-icing and frost-resistant film obtained in example 1;
FIG. 3 is a schematic diagram of an apparatus for performing ice adhesion strength testing;
FIG. 4 is a graph showing the adhesion strength of the transparent anti-icing anti-frost film obtained in example 1 to an uncovered transparent anti-icing anti-frost film substrate;
FIG. 5 is a photograph of the transparent ice and frost resistant film obtained in example 1;
FIG. 6 is a graph showing the transmittance of the transparent anti-icing and anti-frost film obtained in example 1.
Detailed Description
The technical scheme of the invention is further explained by combining specific examples.
The following examples used substrates of dimensions 2.5cm by 2.5cm and a thickness of 1mm, which were cleaned prior to spin-coating: washing the surface of the substrate by washing powder water through a hairbrush to remove dust and industrial waste on the surface of the substrate, then washing the substrate for 30min by using a glass cleaning agent (Shang Mei Jing commercial and trade Co., Ltd., Wuhan City) through an ultrasonic cleaner (KQ 250E, ultrasonic instruments Co., Ltd., Kunshan City) respectively, then respectively washing the substrate for 10min by using ethanol and ultrapure water in an ultrasonic mode, and finally drying the substrate for 10h at the temperature of 60 ℃ in a blast drying box to clean the surface of the substrate.
The polyvinyl alcohol particles are PVA-117 particles purchased from Allantin Biotechnology Ltd.
Pure dimethyl sulfoxide is purchased from Shanghai Michelin Biotechnology Limited and has a purity of 99%.
Example 1
A preparation method of a transparent anti-icing and anti-frost film perfused with dimethyl sulfoxide solution comprises the following steps:
preparing transparent glass as a substrate, spin-coating a coating solution on the substrate for 600s at a rotating speed of 300r/min by using a spin coater (SC-1B, Winneac technologies, Inc., Beijing) and standing at room temperature of 20-25 ℃ for 12 hours to obtain a transparent anti-icing and anti-frost film on the substrate, wherein the coating solution is a mixture of polyvinyl alcohol (PVA) and dimethyl sulfoxide, and the ratio of the polyvinyl alcohol to the dimethyl sulfoxide is 1:9 in parts by mass. The steps for preparing the coating solution are as follows: polyvinyl alcohol and dimethyl sulfoxide were mixed and stirred with a magnetic stirrer at 110 ℃ for 12h until a clear solution was obtained.
Example 2
A preparation method of a transparent anti-icing and anti-frost film perfused with dimethyl sulfoxide solution comprises the following steps:
preparing transparent glass as a substrate, spin-coating a coating solution on the substrate for 600s at a rotating speed of 300r/min by using a spin coater (SC-1B, Winneac technologies, Inc., Beijing) and standing at room temperature of 20-25 ℃ for 12 hours to obtain a transparent anti-icing and anti-frost film on the substrate, wherein the coating solution is a mixture of polyvinyl alcohol (PVA), dimethyl sulfoxide and water, and the ratio of the polyvinyl alcohol to the dimethyl sulfoxide to the water is 1:3:6 in parts by mass. The steps for preparing the coating solution are as follows: polyvinyl alcohol and dimethyl sulfoxide were mixed, stirred with a magnetic stirrer at 110 ℃ for 12h, then water was added, and stirred at 120 ℃ for 6h until a clear solution was obtained.
And (3) performing performance test on the transparent anti-icing and anti-frost film obtained in the embodiment 1-2 as a sample to be tested.
The contact angle test of the transparent anti-icing and anti-frost film obtained in the example 1-2 is carried out, and the test result of the transparent anti-icing and anti-frost film obtained in the example 1 is shown in FIG. 1. A contact angle test was carried out at normal temperature using an Optical contact angle meter (KRuss-DSA 100) using 3. mu.l of a water drop.
The transparent anti-icing and anti-frost film obtained in the example 1-2 is subjected to an anti-frost test, a low-temperature test cold stage (KRuSS-DSA 100, KRuSS, germany) and a constant-temperature and constant-humidity chamber (RHP-408 BT, girl) are used, the ambient temperature is set to be 20 ℃, the relative humidity is set to be 60%, the temperature of the low-temperature test cold stage is set to be-10 ℃, a sample to be tested is placed on the low-temperature test cold stage, pictures are taken at intervals of ten minutes, specific conditions are recorded, and the test result of the transparent anti-icing and anti-frost film obtained in the example 1 is shown in fig. 2.
As shown in fig. 3, the adhesion strength of ice is tested in a constant temperature and humidity chamber (girl environmental test equipment company, eastern guan city), a sample to be tested is placed on a platform in the constant temperature and humidity chamber at-15 ℃, a cuvette (1mm × 1mm × 25mm) with openings at the upper end and the lower end is placed on the surface of the sample to be tested, 1ml of water is poured into the cuvette (the cuvette is attached to the platform, so that the water in the cuvette cannot leak out), and after the cuvette is cooled for 5 hours to be sufficiently frozen, the adhesion strength of ice is tested by a high-precision dynamometer (NK-20, musical instruments, inc).
The ice adhesion strength test is specifically operated by pushing a frozen cuvette on the surface of a sample to be tested to do uniform linear motion by using a force probe of a high-precision dynamometer, the shearing speed is 500 mu m/s, the pushing peak value is recorded, the shearing force F is the shearing force F for separating an ice column, and the ice adhesion strength tau is calculated by a formula tau is F/A. The formula tau of the ice adhesion strength is F/A, wherein F is the maximum shearing force in the testing process of each sample to be tested, and A is the contact area of the ice in the cuvette and the surface of the transparent anti-ice and anti-frost film.
The transparent anti-icing and anti-frost films obtained in examples 1-2 were subjected to a transmittance test. The light transmittance of the sample to be tested was measured by a double-beam ultraviolet-visible spectrophotometer (Hitachi high New Business office U-3900). The wavelength range selected in the test process of the sample to be tested is 300-800nm, the light transmittance of the visible light band is mainly tested, and the test result of the transparent anti-icing and anti-frost film in the embodiment 1 is shown in fig. 6.
Specific characterization and test results are as follows:
FIG. 1 is a schematic diagram of measurement of apparent contact angle of water of the transparent anti-icing and anti-frost film in example 1, wherein the apparent contact angle of the transparent anti-icing and anti-frost film is 34.13 degrees, and the transparent anti-icing and anti-frost film belongs to a hydrophilic surface. The apparent contact angle of the transparent ice and frost resistant film of example 2 was 28.76 ° (not shown in the figure).
FIG. 2 is a process diagram of the frost resistance of the transparent anti-icing and frost-resistant film of example 1. The prepared transparent anti-icing and anti-frost film has excellent anti-frost performance, and frost begins to form only within 100 min. The clear ice and frost resistant film of example 2 began to frost at 60min, and the uncoated glass began to frost within 10 min.
FIG. 4 is a graph showing the performance of the ice adhesion strength of the transparent anti-icing and frost-resisting glass in example 1, and it can be seen that the obtained transparent anti-icing and frost-resisting film has an extremely low ice adhesion strength, the ice adhesion strength is 19.32kpa, the ice adhesion strength of the blank glass belonging to the ice-phobic surface and not coated with a film is 163.63 kpa. The ice adhesion strength of the transparent ice-frost resistant film of example 2 was 30.04kpa (not shown in the figure).
FIG. 5 is a graph showing the apparent transparency of the transparent anti-icing and frost-resistant film of example 1, and it can be seen that the transparent anti-icing and frost-resistant film of the present invention has excellent transparency.
FIG. 6 is a graph showing the transmittance of the transparent anti-icing and frost-resisting glass obtained in example 1, wherein the transmittance of the whole transparent anti-icing and frost-resisting film is greater than 85%, the transmittance at 550nm is 88.7%, the transmittance is 96% of the transmittance of the original glass, and the transparency is good. Has use value in daily life and industrial and agricultural production. The transparent ice and frost resistant film of example 2 had an overall transmission of greater than 90%, a transmission of 90.5% at 550nm, and 98% of the original glass transmission.
The invention has been described in an illustrative manner, and it is to be understood that any simple variations, modifications or other equivalent changes which can be made by one skilled in the art without departing from the spirit of the invention fall within the scope of the invention.
Claims (10)
1. A preparation method of a transparent anti-icing and anti-frost film perfused with dimethyl sulfoxide solution is characterized by comprising the following steps:
coating a coating solution on a substrate in a spin coating manner to obtain a transparent anti-icing and anti-frost film, wherein the coating solution comprises polyvinyl alcohol and dimethyl sulfoxide, and the ratio of the polyvinyl alcohol to the dimethyl sulfoxide is 1: (3-10).
2. The preparation method according to claim 1, wherein the coating solution further comprises water, and the ratio of the polyvinyl alcohol to the dimethyl sulfoxide to the water is 1 (3-10) to (0.1-6) in parts by weight.
3. The production method according to claim 1, wherein the step of preparing the coating film solution is: mixing polyvinyl alcohol and dimethyl sulfoxide, and stirring for 10-20 h at 100-120 ℃ until a clear solution is obtained.
4. The method according to claim 2, wherein the step of preparing the coating solution is: mixing polyvinyl alcohol and dimethyl sulfoxide, stirring for 6-15 h at 80-130 ℃, adding water, and stirring for 6-10 h at 80-130 ℃ until a clear solution is obtained.
5. The preparation method according to claim 1, wherein the spin coating is performed at a rotation speed of 300 to 600r/min for 500 to 900s, and the mixture is allowed to stand for at least 12 hours after the spin coating.
6. The use of the transparent anti-icing and anti-frost film according to any one of claims 1 to 5 for anti-icing and anti-frost purposes.
7. The use according to claim 6, wherein the transparent anti-icing and anti-frost film has a water contact angle of 25 to 35 °.
8. The use according to claim 6, wherein the transparent anti-icing and anti-frost film has an anti-frost time of at least 60min at-10 ℃ and a relative humidity of 60%.
9. The use according to claim 6, wherein the transparent ice-resistant and frost-resistant film has an ice adhesion strength of 19 to 31 kpa.
10. The use of claim 6, wherein the transparent anti-icing and anti-frost film has a light transmittance of greater than 85% in the range of 300-800 nm.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108948895A (en) * | 2018-06-05 | 2018-12-07 | 武汉工程大学 | A kind of preparation method of anti-fog coatings |
| WO2020180826A1 (en) * | 2019-03-01 | 2020-09-10 | The Board Of Trustees Of The University Of Illinois | Compositions and methods for inhibiting ice formation on surfaces |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108948895A (en) * | 2018-06-05 | 2018-12-07 | 武汉工程大学 | A kind of preparation method of anti-fog coatings |
| WO2020180826A1 (en) * | 2019-03-01 | 2020-09-10 | The Board Of Trustees Of The University Of Illinois | Compositions and methods for inhibiting ice formation on surfaces |
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