CN104086093B - Antifogging coating, manufacturing method thereof and antifogging glass - Google Patents
Antifogging coating, manufacturing method thereof and antifogging glass Download PDFInfo
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- CN104086093B CN104086093B CN201410336129.XA CN201410336129A CN104086093B CN 104086093 B CN104086093 B CN 104086093B CN 201410336129 A CN201410336129 A CN 201410336129A CN 104086093 B CN104086093 B CN 104086093B
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- 238000000576 coating method Methods 0.000 title claims abstract description 31
- 239000011248 coating agent Substances 0.000 title claims abstract description 30
- 239000011521 glass Substances 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000012780 transparent material Substances 0.000 claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- 125000000524 functional group Chemical group 0.000 claims abstract description 12
- 239000004094 surface-active agent Substances 0.000 claims abstract description 10
- 238000003756 stirring Methods 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 239000003960 organic solvent Substances 0.000 claims abstract description 7
- 229920001912 maleic anhydride grafted polyethylene Polymers 0.000 claims abstract description 6
- -1 uniformly stirring Substances 0.000 claims abstract description 6
- 239000002086 nanomaterial Substances 0.000 claims abstract description 5
- 229920000642 polymer Polymers 0.000 claims abstract description 5
- 239000003054 catalyst Substances 0.000 claims abstract description 4
- 238000005498 polishing Methods 0.000 claims abstract description 4
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 3
- 239000012153 distilled water Substances 0.000 claims abstract description 3
- 239000008399 tap water Substances 0.000 claims abstract description 3
- 235000020679 tap water Nutrition 0.000 claims abstract description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 24
- 239000011259 mixed solution Substances 0.000 claims description 16
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 7
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 7
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 7
- 229910000077 silane Inorganic materials 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
- 229920002401 polyacrylamide Polymers 0.000 claims description 4
- 229920006254 polymer film Polymers 0.000 claims description 4
- 239000001117 sulphuric acid Substances 0.000 claims description 4
- 235000011149 sulphuric acid Nutrition 0.000 claims description 4
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 3
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical group O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 3
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 2
- 125000000217 alkyl group Polymers 0.000 claims description 2
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 2
- 239000000194 fatty acid Substances 0.000 claims description 2
- 229930195729 fatty acid Natural products 0.000 claims description 2
- 150000004665 fatty acids Chemical class 0.000 claims description 2
- 238000011010 flushing procedure Methods 0.000 claims description 2
- 239000002736 nonionic surfactant Substances 0.000 claims description 2
- 229920000223 polyglycerol Polymers 0.000 claims description 2
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 2
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 2
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 2
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 2
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 235000012239 silicon dioxide Nutrition 0.000 claims description 2
- 238000001035 drying Methods 0.000 abstract description 4
- 238000002156 mixing Methods 0.000 abstract description 2
- 239000006087 Silane Coupling Agent Substances 0.000 abstract 1
- 238000005238 degreasing Methods 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000004506 ultrasonic cleaning Methods 0.000 description 3
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 2
- 238000003618 dip coating Methods 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000005543 nano-size silicon particle Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 235000017858 Laurus nobilis Nutrition 0.000 description 1
- 244000125380 Terminalia tomentosa Species 0.000 description 1
- 235000005212 Terminalia tomentosa Nutrition 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 229960003237 betaine Drugs 0.000 description 1
- 239000011203 carbon fibre reinforced carbon Chemical group 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- KWIUHFFTVRNATP-UHFFFAOYSA-N glycine betaine Chemical compound C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000010977 jade Substances 0.000 description 1
- 125000001421 myristyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 239000002888 zwitterionic surfactant Substances 0.000 description 1
Abstract
The invention relates to an antifogging coating, a manufacturing method thereof and antifogging glass, which comprises the following steps: step 1, firstly, pretreating the surface of a transparent material, degreasing the surface by using an organic solvent A, then physically polishing the surface, and then sequentially and respectively washing the surface by using tap water and distilled water and then drying the surface; step 2, mixing 5-10 parts of maleic anhydride grafted polyethylene, 10-40 parts of inorganic nano material treated by silane coupling agent and 1-5 parts of catalyst in an organic reagent B by mass part, coating the mixture on the surface of the transparent material treated in the step 1, and then carrying out heat treatment on the transparent material under the vacuum condition; and 3, dissolving 8-10 parts of high molecular polymer containing hydrophilic functional groups and 2-6 parts of surfactant in water, uniformly stirring, coating the mixture on the surface of the transparent material treated in the step 2, and performing heat treatment under a vacuum condition to obtain the long-acting antifogging coating on the surface of the transparent material.
Description
Technical field
The present invention relates to antifog technical field, particularly relate to a kind of macromolecule antifogging coating and preparation method thereof and antifog glass.
Background technology
Daily life is often encountered transparent material and there is the temperature difference, steam coagulation condensation due to environment, form the phenomenon of thickly dotted little water droplet.Due to the existence of these small water droplets, light can occur refraction and reflection when by glass, significantly reduces the light transmittance of glass, adversely effect resolution, brings serious consequence.Such as vehicle window fogging can affect the sight line of driver, and surgical face shield fogging can disturb the carrying out of operation.
Now widely used surfactant is the antifogging product of main component, and the antifog time of coating is the shortest, and the most all within 10-15 days, and along with the increase of temperature humidity, anti-fog performance declines quickly.Thus exploitation has the antifogging coating tool of persistently excellent anti-fog performance and has very great significance.
Summary of the invention
The present invention devises a kind of antifogging coating and preparation method thereof and antifog glass, and it solves the technical problem that is that existing anti misting materials service life is short, be weak to wiping needs Reusability and existing anti misting materials to haze in the environment that humiture difference is bigger.
In order to solve the technical problem of above-mentioned existence, present invention employs below scheme:
The manufacture method of a kind of antifogging coating, comprises the following steps: step 1, first transparent material surface is carried out pretreatment, goes fat to process by organic solvent A, then physics polishing, then is dried with after tap water and distilled water flushing the most respectively；Step 2, following unit are mass parts, by maleic anhydride grafted polyethylene 5-10 part, through silane coupler process inorganic nano material 10-40 part and catalyst 1-5 part be mixed in 45-84 part organic reagent B, it is coated in the transparent material surface after step 1 has processed, then this transparent material is carried out under vacuum heat treatment, thus transparent material surface forms a polymer film, maleic anhydride functional groups structure therein is positioned at the outside of polymer film, it is provided that the reflecting point being connected with hydrophilic functional groups；Step 3, following unit are mass parts, by soluble in water with surfactant 2-6 part for the high molecular polymer 8-10 part containing hydrophilic functional group, water accounts for 84-90 part, i.e. for being coated in the transparent material surface after step 2 processes after stirring, the long-acting antifogging coating of transparent material surface is i.e. obtained under vacuum after heat treatment, the maleic groups that a part of hydrophilic functional groups therein and step 2 are formed reacts, the hydrophilic functional groups of another part remains in that original appearance, thus provides anti-fog feature.
Further, the organic solvent A in described step 1 is one or more the mixed solution in ethanol, acetone, ethyl acetate.
Further, the organic solvent B in described step 2 is the mixed solution of acetone and oxolane, acetone and oxolane volume ratio 1:2.
Further, the inorganic nano material processed through silane coupler described in step 2 is silicon dioxide or aluminium oxide.
Further, one or more the mixture during the high molecular polymer in step 3 is polyvinyl alcohol, polyacrylamide, polyvinyl pyrrolidone.
Further, one or more mixture of the surfactant that described surfactant is hydroxyl, amino, carbon-carbon double bond or carboxyl in step 3.
Further, the described surfactant preferred nonionic surfactants in step 3 is the mixture of one or more in N-Methyl pyrrolidone, polyoxyethylene aliphatic alcohol ether, polyoxyethylated alkyl phenol, polyglycerol fatty acid, polypropylene glycerol aether, fatty alcohol-polyoxyethylene ether.
Further, heat treatment described in step 2 is to be incubated 16 30 hours at 80 150 DEG C under vacuum；Heat treatment described in step 3 is to be incubated 68 hours at 60 100 DEG C under vacuum.
Further, coating method described in step 2 and step 3 can use spraying, blade coating, roller coat, dip-coating or erasing.
A kind of antifogging coating prepared by an any of the above described method manufacture method.
A kind of antifog glass, forms above-mentioned antifogging coating on antifog glass surface.
This antifogging coating and preparation method thereof, has the advantages that with antifog glass compared with traditional antifogging coating and preparation method thereof and antifog glass
(1) present invention uses the firm antifog film layer obtained in transparent material surface under given conditions containing the macromolecular material of hydrophilic functional group, macromolecule connecting material and other blending ingredients by chemical bonding mode, wherein hydrophilic functional group's proper alignment of macromolecular material is at outer surface, thus produce anti-fog effect, owing to anti-fog layer is solid and reliable, so anti-fog effect is the most effective, need not heating to consume the energy, also do not have volatile organic components to produce, safety environment protecting energy saving.
(2) present invention uses the common film modes such as spraying, blade coating, roller coat, dip-coating, erasing in clean transparent substrate surface construction, can obtain after Overheating Treatment and there is wiping water-fast, resistance to, the clear anti-fog coating of ageing-resistant and good anti-fog performance, the problem affecting sight line definition such that it is able to effective solution transparent material hazes in the environment that inside and outside humiture difference is bigger.
Detailed description of the invention
The present invention uses containing the macromolecular material of hydrophilic functional group, filmogen, auxiliary agent etc. as mainly comprising thing, firm chemical bonds film layer is formed in transparent material surface, increase the effective life of anti-fog layer, environment friendly and pollution-free, energy-saving and emission-reduction are put, and give the long-acting excellent anti-fog performance of transparent material.
For making those skilled in the art be more fully understood that technical scheme, below in conjunction with detailed description of the invention, the present invention is described in further detail.
Embodiment 1: the present embodiment provides the preparation method of a kind of antifogging coating, comprises the following steps:
The surface acetone of clear glass and water ultrasonic cleaning are polished via physics, clean water then drying for standby.
By maleic anhydride grafted polyethylene 2.5g, through the nano-silicon dioxide particle solution 5g that silane coupler processes, among the mixed solution (volume ratio 1:2) of 0.5 gram of acetone being dissolved in 500mL of concentrated sulphuric acid and oxolane, stir, obtain mixed solution.This mixed solution is spun on, with the rotating speed of 2000rpm, the glass surface that previous step has been handled well.The most under vacuum, 95 DEG C heating 12 hours after take out standby.
10g polyvinyl alcohol is dissolved among 100g aqueous solution, adds zwitterionic surfactant thetine 2.5g, after stirring, this mixed solution is spun on, with the rotating speed of 4000rpm, the glass surface that previous step has been handled well.The most under vacuum, 95 DEG C of heating were taken out and are i.e. obtained transparent long-acting antifogging coating after 6 hours.
The antifog glass sample using this technique to prepare is put on 80 DEG C of hot water at 5 cm, and the beaker volume holding hot water is 50ml, and, every wiping changes one glass of hot water 4 times, and wiping is not hazed for 7 times in test process every 10 seconds with clean dry cloth wiping once；Being put in by sample above 80 DEG C of hot water at 5cm, the beaker holding hot water is 50ml beaker, in test process, within every 6 minutes, changes one glass of hot water, and initially the time of hazing is 23 minutes；The time of hazing completely is 35 minutes.
Embodiment 2: the present embodiment provides the preparation method of a kind of antifogging coating, comprises the following steps:
The surface acetone of clear glass and water ultrasonic cleaning are polished via physics, clean water then drying for standby.
By maleic anhydride grafted polyethylene 2.5g, through the nano alumina particles solution 5g that silane coupler processes, among the mixed solution (volume ratio 1:2) of 0.5 gram of acetone being dissolved in 500mL of concentrated sulphuric acid and oxolane, stir, obtain mixed solution.This mixed solution is spun on, with the rotating speed of 2000rpm, the glass surface that previous step has been handled well.The most under vacuum, 95 DEG C heating 12 hours after take out standby.
9.5g polyacrylamide is dissolved among 100g aqueous solution, adds surfactant polyoxyethylene Laurel ether 5g, after stirring, with the rotating speed of 4000rpm, this mixed solution is spun on the glass surface that previous step has been handled well.The most under vacuum, 95 DEG C of heating were taken out and are i.e. obtained transparent long-acting antifogging coating after 6 hours.
The antifog glass sample using this technique to prepare is put on 80 DEG C of hot water at 5 cm, and the beaker volume holding hot water is 50ml, and, every wiping changes one glass of hot water 4 times, and wiping is not hazed for 8 times in test process every 10 seconds with clean dry cloth wiping once；Being put in by sample above 80 DEG C of hot water at 5cm, the beaker holding hot water is 50ml beaker, in test process, within every 6 minutes, changes one glass of hot water, and initially the time of hazing is 25 minutes；The time of hazing completely is 36 minutes.
Embodiment 3: the present embodiment provides the preparation method of a kind of antifogging coating, comprises the following steps:
By the surface of transparent plastic PC plate with second alcohol and water ultrasonic cleaning via physics polishing, clean water then drying for standby.
By maleic anhydride grafted polyethylene 2.5g, through the nano-silicon dioxide particle solution 5g that silane coupler processes, among the mixed solution (volume ratio 1:2) of 0.5 gram of acetone being dissolved in 500mL of concentrated sulphuric acid and oxolane, stir, obtain mixed solution.This mixed solution is spun on, with the rotating speed of 2000rpm, the plastics PC surface that previous step has been handled well.The most under vacuum, 80 DEG C heating 12 hours after take out standby.
9.5g polyacrylamide is dissolved among 100g aqueous solution, adds surfactant myristyl semi-annular jade pendant dimethylamine glycine betaine 3g, after stirring, this mixed solution is spun on, with the rotating speed of 4000rpm, the plastics PC surface that previous step has been handled well.The most under vacuum, 60 DEG C of heating were taken out and are i.e. obtained transparent long-acting antifogging coating after 6 hours.
The antifog plastics PC sample using this technique to prepare is put on 80 DEG C of hot water at 5cm, and the beaker volume holding hot water is 50ml, and, every wiping changes one glass of hot water 4 times, and wiping is not hazed for 8 times in test process every 10 seconds with clean dry cloth wiping once；Being put in by sample above 80 DEG C of hot water at 5cm, the beaker holding hot water is 50ml beaker, in test process, within every 6 minutes, changes one glass of hot water, and initially the time of hazing is 17 minutes；The time of hazing completely is 30 minutes.
It is understood that the principle that is intended to be merely illustrative of the present of embodiment of above and the illustrative embodiments that uses, but the invention is not limited in this.For those skilled in the art, without departing from the spirit and substance in the present invention, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (4)
1. a manufacture method for antifogging coating, comprises the following steps: step 1, first transparent material surface is carried out pretreatment, goes fat to process by organic solvent A, then physics polishing, then is dried with after tap water and distilled water flushing the most respectively；Organic solvent A in described step 1 is one or more the mixed solution in ethanol, acetone, ethyl acetate；
Step 2, following unit are mass parts, by maleic anhydride grafted polyethylene 5-10 part, through silane coupler process inorganic nano material 10-40 part and catalyst 1-5 part be mixed in 45-84 part organic reagent B, it is coated in the transparent material surface after step 1 has processed, then this transparent material is carried out under vacuum heat treatment, thus transparent material surface forms a polymer film, maleic anhydride functional groups structure therein is positioned at the outside of polymer film, it is provided that the reflecting point being connected with hydrophilic functional groups；Organic solvent B in described step 2 is the mixed solution of acetone and oxolane, acetone and oxolane volume ratio 1:2；The inorganic nano material processed through silane coupler described in step 2 is silicon dioxide or aluminium oxide；Catalyst is concentrated sulphuric acid；
Step 3, following unit are mass parts, by soluble in water with surfactant 2-6 part for the high molecular polymer 8-10 part containing hydrophilic functional groups, water accounts for 84-90 part, i.e. for being coated in the transparent material surface after step 2 processes after stirring, the long-acting antifogging coating of transparent material surface is i.e. obtained under vacuum after heat treatment, the maleic anhydride functional groups that a part of hydrophilic functional groups therein and step 2 are formed reacts, the hydrophilic functional groups of another part remains in that original appearance, thus provides anti-fog feature；High molecular polymer in step 3 is one or more the mixture in polyvinyl alcohol, polyacrylamide, polyvinyl pyrrolidone；Described surfactant in step 3 selects nonionic surfactant, specially the mixture of one or more in N-Methyl pyrrolidone, polyoxyethylene aliphatic alcohol ether, polyoxyethylated alkyl phenol, polyglycerol fatty acid, polypropylene glycerol aether, fatty alcohol-polyoxyethylene ether.
The manufacture method of antifogging coating the most according to claim 1, it is characterised in that: heat treatment described in step 2 is to be incubated 16 30 hours at 80 150 DEG C under vacuum；Heat treatment described in step 3 is to be incubated 68 hours at 60 100 DEG C under vacuum.
3. the antifogging coating prepared by any one manufacture method in claim 1-2.
4. an antifog glass, it is characterised in that: form the antifogging coating described in claim 3 on antifog glass surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410336129.XA CN104086093B (en) | 2014-05-09 | 2014-07-15 | Antifogging coating, manufacturing method thereof and antifogging glass |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2014101952914 | 2014-05-09 | ||
| CN201410195291.4 | 2014-05-09 | ||
| CN201410195291 | 2014-05-09 | ||
| CN201410336129.XA CN104086093B (en) | 2014-05-09 | 2014-07-15 | Antifogging coating, manufacturing method thereof and antifogging glass |
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| Publication Number | Publication Date |
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| CN104086093A CN104086093A (en) | 2014-10-08 |
| CN104086093B true CN104086093B (en) | 2017-01-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112794649B (en) * | 2021-02-11 | 2022-07-05 | 福州大学 | Antifogging film and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112794649B (en) * | 2021-02-11 | 2022-07-05 | 福州大学 | Antifogging film and preparation method thereof |
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