CN109206649A - Anti-fog coating and the high optical transmittance antiradar reflectivity antifog film of hydrophilic - Google Patents
Anti-fog coating and the high optical transmittance antiradar reflectivity antifog film of hydrophilic Download PDFInfo
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- CN109206649A CN109206649A CN201810957419.4A CN201810957419A CN109206649A CN 109206649 A CN109206649 A CN 109206649A CN 201810957419 A CN201810957419 A CN 201810957419A CN 109206649 A CN109206649 A CN 109206649A
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- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
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- C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
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Abstract
It include the component of following parts by weight the present invention provides a kind of anti-fog coating and the high optical transmittance antiradar reflectivity antifog film of hydrophilic, the anti-fog coating: the first urethane acrylate: 10-15 parts；Second urethane acrylate: 10-15 parts；Photoinitiator: 2-4 parts；Hollow-particle: 1-30 parts；Coupling agent: 1-3 parts；Solvent: 30-50 parts.The antifog film includes substrate layer and the high refractive index hardened layer and low-refraction anti-fog layer that set gradually on substrate layer side.The low-refraction anti-fog layer is made of above-mentioned anti-fog coating, the refractive index of coating is reduced while not influencing coating anti-fog performance by addition hollow-particle and further improves the wearability of coating, by the collocation of high refractive index hardened layer and low-refraction anti-fog layer, the antifog film is made to be provided simultaneously with antifog, high optical transmittance and antiradar reflectivity performance.
Description
Technical field
The present invention relates to antifog technical field of membrane more particularly to the high optics of a kind of anti-fog coating and a kind of hydrophilic to penetrate
Rate antiradar reflectivity antifog film.
Background technique
Transparent material is material indispensable in people's daily life work, such as window-glass, windshield, bath
Room glass and vinyl house etc..Due to the temperature difference, often there is certain temperature difference in the two sides of transparent material, the low surface moisture of temperature
Saturated vapor pressure is lower than the vapour pressure of ambient enviroment, assembles so as to cause steam to body surface and generates mist, influences transparent material
Light transmittance, influence sight.Currently, the antifog system of domestic and international market, most of antifog transparent due to formula and reasons in structure
There is no in wherein, for antifog universal there is no so with optical conjugation, and prevent comprising optical property for thin-film material
Mist coating is combined with optical property, the field of application can be up promoted, the most of anti-fog coatings in domestic and international market are not wear-resisting
And without optical function, most of anti-fog layer is caused to occur scar after repeatedly wiping, or because of optical property, influence optics view
Feel perception.
Application No. is 201610607807.0 Chinese patents to disclose a kind of hydrophilic antifogging Coating material composition of UV photocuring
Object plays the role of anchor point using hydrophobic part in the coating, increases crosslink density, guarantees that coating is encountering a large amount of water
Shi Buhui is dissolved because of swelling, not only can guarantee lasting anti-fog performance but also wear-resisting property can be improved, but due to the composition
The degree of cross linking is not high, and wear-resisting property raising is limited, still will appear scar after repeatedly wiping.More importantly utilize the coating
It is bad with the optical properties such as the optical transmittance of antifog film made of substrate, influence the range of visibility of operator, safety with
Reliability cannot ensure.
Application No. is 201710600703.1 Chinese patents to disclose a kind of anti-fog coating, by the way that table is added into coating
Face activating agent and inorganic nano-particle, improve the surface hardness and mechanical strength of dope layer, but inorganic nano-particle plus
Membership improves the refractive index of anti-fog coating layer and then influences the light such as optical transmittance and the refractive index of the antifog film being made from it
Learn performance.
Summary of the invention
Therefore, the purpose of the present invention is to provide a kind of anti-fog coating and a kind of high optical transmittance antiradar reflectivities of hydrophilic
Antifog film cannot achieve while having high wear-resisting property with solving anti-fog coating layer in the prior art but also with low
Refractive index and antifog film cannot achieve while having high wearability but also with high optical transmittance and low reflection
The problem of rate.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of anti-fog coating, including following weight
The component of number:
First urethane acrylate: 10-15 parts；
Second urethane acrylate: 10-15 parts；
Photoinitiator: 2-4 parts；
Hollow-particle: 1-30 parts；
Coupling agent: 1-3 parts；
Solvent: 30-50 parts.
Preferably, first urethane acrylate is the urethane acrylate of 6-10 degree of functionality, it is preferred that described
First urethane acrylate is selected from cyanogen spy EBECRYL8415, cyanogen spy EBECRYL8602, Sartomer CN9013NS and Sartomer
One of CN8885NS is several.Preferably, second urethane acrylate is hydrophilic polyurethane acrylate,
Preferably, second urethane acrylate is selected from one of cyanogen spy EBECRYL8713B and Changxing DR-050M1 or several
Kind.There is hydrophily after the reaction of hydrophilic polyurethane propenoic acid ester photocureable, make dope layer that there is lower surface tension, make water
It is reduced in the angle of wetting of coating layer surface, makes water in dope layer surface spreading at uniform water film, to reach antifog purpose.First
Urethane acrylate and the second urethane acrylate are crosslinked by photocuring reaction, form close coating, make to be formed
Dope layer has antiwear characteristic.
Preferably, the material of the hollow-particle can be organic matter or inorganic matter, and hollow-particle can pass through polar organic base
Group is modified, and the hollow-particle can be hollow microsphere, and further, the hollow microsphere can be hollow nano-glass microballoon.?
Hollow-particle is added in anti-fog coating, the surface hardness and machinery of dope layer both can be improved while not influencing anti-fog performance
Intensity makes it have excellent wear-resisting stability, and can reduce the refractive index of dope layer.Wherein, have to hollow-particle
The modification of machine polar group can be improved its lipophilicity, can more evenly be distributed in the first urethane acrylate and the
In two polyurethane acrylate resin matrixes, so as to further increase the wear-resisting property of dope layer.
Preferably, the photoinitiator is selected from 2- methyl-1-[4- (methyl mercapto) phenyl]-2- morpholinyl-1- acetone, 2,4,
6- trimethylbenzoy-dipheny phosphine oxide, benzoin dimethylether, 2- hydroxy-2-methyl -1- phenyl -1- acetone, 1- hydroxyl
Base-cyclohexyl-phenyl ketone, benzoyl derivatives, benzophenone, 4- benzoyl -4'- methyl-diphenyl sulfide, 2- benzene first
In acyl group methyl benzoate, isopropyl thioxanthone uh ketone (2,4 isomer mixture) and 4- (N, N- dimethylamino) ethyl benzoate
It is one or more.
Preferably, the coupling agent is selected from 3- methacryloxypropyl trimethoxy silane, 3- methacryloxypropyl
Base propyl-triethoxysilicane, three isopropoxy silane of 3- methacryloxy, vinyl silane triisopropoxide, vinyl
Trimethoxy silane, vinyltriethoxysilane, 3- mercaptopropyl trimethoxysilane, in 3- mercaptopropyltriethoxysilane
It is one or more of.Coupling agent is added in hollow-particle and resin matrix, particle and resin are connected well, effectively improves tree
The wearability of rouge, while improving adhesive force.
Preferably, the solvent is ketone, lipid, alcohols, ethers or is its mixed solvent.
According to another aspect of the present invention, a kind of high optical transmittance antiradar reflectivity antifog film of hydrophilic is provided, is wrapped
The high refractive index hardened layer and low-refraction anti-fog layer for including substrate layer and being set gradually on substrate layer side.Pass through high refractive index
The collocation of hardened layer and low-refraction anti-fog layer makes the antifog film be provided simultaneously with antifog, high optical transmittance and antiradar reflectivity
Can, meanwhile, by antifog, wear-resisting and three kinds of performances of low-refraction, concentrated setting reduces anti-in on low-refraction anti-fog layer simultaneously
Thickness, weight and the production cost of mist film, simplify production technology.
Preferably, the refractive index of the low-refraction anti-fog layer is 1.2-1.45, and it is 10nm-1um that coating, which does thickness,.
Preferably, the refractive index of the high refractive index hardened layer is 1.55-1.75, and it is 500nm-20um that coating, which does thickness,.
Preferably, the low-refraction anti-fog layer is formed by anti-fog coating described above.It is formed using above-mentioned anti-fog coating
Low refraction anti-fog layer makes the antifog film be provided simultaneously with antifog, wear-resisting and three kinds of performances of antiradar reflectivity, minimum to drop reflectivity
To within 0.5%, the translucency of the antifog film is greatly improved.
Preferably, the substrate layer is in PET, TAC, PMMA, PI, COP, TPU, PVC, PMMA/PC and CPI substrate layer
It is a kind of.
Preferably, the surface of the substrate layer is by chemical treatment.It is carried out at chemistry by the surface to the substrate layer
Inter-layer bonding force can be improved in reason.
Preferably, the coating for forming the high refractive index hardened layer includes the component of following parts by weight:
First urethane acrylate: 10-15 parts；
Second urethane acrylate: 10-15 parts；
Monomer: 10-15 parts；
Photoinitiator: 2-4 parts；
The mixed slurry of zirconium oxide or titanium oxide or both: 1-100 parts；
Coupling agent: 1-3 parts；
Solvent: 30-50 parts.
Preferably, first urethane acrylate is selected from the urethane acrylate of 6-10 degree of functionality, it is preferred that institute
It states the first urethane acrylate and is selected from cyanogen spy EBECRYL8415, cyanogen spy EBECRYL8602, Sartomer CN9013NS and Sha Duo
One of Ma CN8885NS is several.Preferably, second urethane acrylate is hydrophilic polyurethane acrylic acid
Ester, it is preferred that second urethane acrylate be selected from one of cyanogen spy EBECRYL8713B and Changxing DR-050M1 or
Person is several.The matrix resin of low-refraction anti-fog layer and high refractive index hardened layer is selected from polyurethane acrylates resin, mentions
The high inter-layer bonding force and optical match performance of low-refraction anti-fog layer and high refractive index hardened layer, further improve described
The light transmission of antifog film.First urethane acrylate and the second urethane acrylate are crosslinked by photocuring reaction, shape
At close coating, make the dope layer to be formed that there is antiwear characteristic.
Preferably, the monomer is selected from double pentaerythritol methacrylate (DPHA), pentaerythritol triacrylate
(PETA) and one of 802 (product names) of Osaka organic (Business Name) or several.
Preferably, the mixed slurry of the zirconium oxide or titanium oxide or both is to carry out the group modified dispersion of polar organic
Slurry, decentralized medium are organic solvent or monomer.Zirconium oxide or Titanium particles are smaller on optical property influence, and refractive index
It is higher, so that refractive index while the stable optical performance of high refractive index hardened layer be made to be improved.And can be good at
The low-refraction anti-fog layer of addition hollow-particle is matched, and is significantly improved the optical transmittance of anti-fog thin film and is reduced
Reflectivity.
Preferably, the photoinitiator is selected from 2- methyl-1-[4- (methyl mercapto) phenyl]-2- morpholinyl-1- acetone, 2,4,
6- trimethylbenzoy-dipheny phosphine oxide, benzoin dimethylether, 2- hydroxy-2-methyl -1- phenyl -1- acetone, 1- hydroxyl
Base-cyclohexyl-phenyl ketone, benzoyl derivatives, benzophenone, 4- benzoyl -4'- methyl-diphenyl sulfide, 2- benzene first
In acyl group methyl benzoate, isopropyl thioxanthone uh ketone (2,4 isomer mixture) and 4- (N, N- dimethylamino) ethyl benzoate
It is one or more.
Preferably, the coupling agent is selected from 3- methacryloxypropyl trimethoxy silane, 3- methacryloxypropyl
Base propyl-triethoxysilicane, three isopropoxy silane of 3- methacryloxy, vinyl silane triisopropoxide, vinyl
In trimethoxy silane, vinyltriethoxysilane, 3- mercaptopropyl trimethoxysilane and 3- mercaptopropyltriethoxysilane
One or more.
Preferably, the solvent is ketone, lipid, alcohols, ethers or is its mixed solvent.
Preferably, can by be coated with or deposit etc. method well known to those skilled in the art by high refractive index hardened layer and
Low-refraction anti-fog layer is sequentially applied on substrate layer.
In general, low reflectance coating has the multilayer knot for being used to adjust refractive index including low-index layer and high refractive index layer
Structure so that by between the reflected light in each interface generate interfere so that eliminate reflected light, when make low reflectance coating have its
When his function, need to increase additional coating, this will increase the manufacturing cost of product, more seriously increased additional coatings
The reflecting properties of low reflectance coating may be will affect.Present invention firstly provides a kind of anti-fog coating, the poly- ammonia of hydrophily therein
There is hydrophily after the reaction of ester propenoic acid ester photocureable, make coating that there is lower surface tension, make water in the profit of substrate surface
Wet angle reduces, and so that water is sprawled into uniform water film in substrate surface, to reach antifog purpose, passes through the first urethane acrylate
It is crosslinked with hydrophilic polyurethane diacrylate by photocuring reaction, forms close coating, improve the wear-resisting property of coating, and
And by addition hollow-particle, the refractive index of coating is reduced while not influencing coating anti-fog performance and is further improved
The wearability of coating, i.e., the coating that anti-fog coating of the invention is formed are provided simultaneously with antifog, wear-resisting and three kinds of performances of low-refraction.
The present invention also provides a kind of high optical transmittance antiradar reflectivity antifog film, including substrate layer and successively set on substrate layer side
The high refractive index hardened layer and low-refraction anti-fog layer set, by the collocation of high refractive index hardened layer and low-refraction anti-fog layer,
So that the antifog film is provided simultaneously with antifog, high optical transmittance and antiradar reflectivity performance, further utilizes above-mentioned anti-fog coating shape
It at low reflection anti-fog layer, and arranges in pairs or groups and improves the hardened layer of refractive index using zirconium oxide and/or titanium oxide, the antifog film can be made same
When have antifog, wear-resisting and three kinds of performances of antiradar reflectivity, it is minimum to be effectively down to reflectivity within 0.5%, greatly improve
The translucency of the antifog film；Meanwhile by antifog, wear-resisting and three kinds of performances of low-refraction simultaneously concentrated setting in low reflection anti-fog layer
On, thickness, weight and the production cost of antifog film are reduced, production technology is simplified.
Other than objects, features and advantages described above, there are also other objects, features and advantages by the present invention.
Below with reference to figure, the present invention is described in further detail.
Detailed description of the invention
The Figure of description for constituting a part of the invention is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows a kind of high optical transmittance antiradar reflectivity antifog film of hydrophilic provided by embodiment of the present invention
The schematic diagram of the section structure.
Each label indicates in figure are as follows: 1. substrate layers；2. high refractive index hardened layer；3. low-refraction anti-fog layer；4. high optics
Transmitance antiradar reflectivity antifog film.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with specific embodiment, but ability
Field technique personnel will be understood that following described embodiments are some of the embodiments of the present invention, instead of all the embodiments,
It is merely to illustrate the present invention, and is not construed as limiting the scope of the invention.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.The person that is not specified actual conditions in embodiment, carries out according to conventional conditions or manufacturer's recommended conditions.Agents useful for same or instrument
Production firm person is not specified, is the conventional products that can be obtained by commercially available purchase.
Embodiment 1
The parts by weight of the coating each component of low-refraction anti-fog layer 3 are as follows: 10 parts of cyanogen spy EBECRYL8415, cyanogen are special
10 parts of EBECRYL8713B, 3 parts of acetone of-2- morpholinyl-1- of 2- methyl-1-[4- (methyl mercapto) phenyl], polar organic group changes
30 parts of hollow nano glass microsphere of property, 3 parts of coupling agent 3- methacryloxypropyl trimethoxy silane, 50 parts of solvent.
The parts by weight of the coating each component of high refractive index hardened layer 2 are as follows: 10 parts of cyanogen spy EBECRYL8415, cyanogen are special
10 parts of EBECRYL8713B, 15 parts of PETA, 3 parts of acetone of-2- morpholinyl-1- of 2- methyl-1-[4- (methyl mercapto) phenyl] is organic
100 parts of the zirconium oxide and titanium oxide mixing dispersed paste of modified with polar, three second of coupling agent 3- methacryloxypropyl
3 parts of oxysilane, 50 parts of solvent.
Embodiment 2
The parts by weight of the coating each component of low-refraction anti-fog layer 3 are as follows: 15 parts of Sartomer CN9013NS, Changxing DR-
15 parts of 050M1,3 parts of benzoin dimethylether, group modified 30 parts of hollow nano glass microsphere of polar organic, coupling agent ethylene
1 part of base trimethoxy silane, 30 parts of solvent.
The parts by weight of the coating each component of high refractive index hardened layer 2 are as follows: 15 parts of cyanogen spy EBECRYL8602, cyanogen are special
15 parts of EBECRYL8713B, DPHA10 parts, 2,4,6- 3 parts of trimethylbenzoy-dipheny phosphine oxides, polar organic group
100 parts of modified zirconium oxide dispersed paste, 1 part of coupling agent 3- mercaptopropyltriethoxysilane, 30 parts of solvent.
Embodiment 3
The parts by weight of the coating each component of low-refraction anti-fog layer 3 are as follows: 15 parts of Sartomer CN8885NS, Changxing DR-
15 parts of 050M1,3 parts of 1- hydroxy-cyclohexyl-phenyl ketone, group modified 25 parts of hollow nano glass microsphere of polar organic,
1 part of coupling agent 3- methacryloxypropyl trimethoxy silane, 30 parts of solvent.
The parts by weight of the coating each component of high refractive index hardened layer 2 are as follows: 15 parts of cyanogen spy EBECRYL8415, cyanogen are special
15 parts of EBECRYL8713B, PETA10 parts, 3 parts of acetone of-2- morpholinyl-1- of 2- methyl-1-[4- (methyl mercapto) phenyl] is organic
80 parts of the zirconium oxide dispersed paste of modified with polar, 1 part of coupling agent 3- methacryloxypropyl are molten
30 parts of agent.
Embodiment 4
The parts by weight of the coating each component of low-refraction anti-fog layer 3 are as follows: 15 parts of Sartomer CN9013NS, Changxing DR-
15 parts of 050M1,3 parts of benzoin dimethylether, group modified 20 parts of hollow nano glass microsphere of polar organic, coupling agent ethylene
1 part of base trimethoxy silane, 30 parts of solvent.
The parts by weight of the coating each component of high refractive index hardened layer 2 are as follows: 15 parts of cyanogen spy EBECRYL8602, cyanogen are special
15 parts of EBECRYL8713B, DPHA10 parts, 2,4,6- 3 parts of trimethylbenzoy-dipheny phosphine oxides, polar organic group
60 parts of modified zirconium oxide dispersed paste, 1 part of coupling agent 3- mercaptopropyltriethoxysilane, 30 parts of solvent.
Embodiment 5
The parts by weight of the coating each component of low-refraction anti-fog layer 3 are as follows: 15 parts of Sartomer CN9013NS, Changxing DR-
15 parts of 050M1,3 parts of benzoin dimethylether, group modified 15 parts of hollow nano glass microsphere of polar organic, coupling agent ethylene
1 part of base trimethoxy silane, 30 parts of solvent.
The parts by weight of the coating each component of high refractive index hardened layer 2 are as follows: 15 parts of cyanogen spy EBECRYL8602, cyanogen are special
15 parts of EBECRYL8713B, DPHA10 parts, 2,4,6- 3 parts of trimethylbenzoy-dipheny phosphine oxides, polar organic group
40 parts of modified zirconium oxide dispersed paste, 1 part of coupling agent 3- mercaptopropyltriethoxysilane, 30 parts of solvent.
Embodiment 6
The parts by weight of the coating each component of low-refraction anti-fog layer 3 are as follows: 15 parts of Sartomer CN9013NS, Changxing DR-
15 parts of 050M1,3 parts of benzoin dimethylether, group modified 1 part of hollow nano glass microsphere of polar organic, coupling agent vinyl
1 part of trimethoxy silane, 30 parts of solvent.
The parts by weight of the coating each component of high refractive index hardened layer 2 are as follows: 15 parts of cyanogen spy EBECRYL8602, cyanogen are special
15 parts of EBECRYL8713B, DPHA10 parts, 2,4,6- 3 parts of trimethylbenzoy-dipheny phosphine oxides, polar organic group
1 part of modified titanium oxide dispersed paste, 1 part of coupling agent 3- mercaptopropyltriethoxysilane, 30 parts of solvent.
The preparation of each antifog film of embodiment 1-6 and test method are as follows: high refractive index being hardened coating each group first
Divide and be coated on 1 one side surface of PET base material layer after mixing, be put into baking in baking oven, takes out diaphragm and cross UV curing, obtain
High refractive index hardened layer 2；Then the antifog coating each component of low-refraction is coated on high refractive index hardened layer after mixing
On, it is put into baking in baking oven, diaphragm is taken out and crosses UV curing, obtain comprising high refractive index hardened layer 2 and low-refraction anti-fog layer 3
High optical transmittance antiradar reflectivity antifog film 4, by the high optical transmittance antiradar reflectivity antifog film 4 prepared carry out reflectivity
Survey is set, and the high optical transmittance antiradar reflectivity antifog film 4 prepared is affixed on glass pane surface, carries out appearance, anti-fog properties, light transmission
Rate, marresistance, water resistance, contact angle, adhesive force and hardness test.
Comparative example 1
The parts by weight of the coating each component of low-refraction anti-fog layer are as follows: 15 parts of Sartomer CN9013NS, Changxing DR-
15 parts of 050M1,3 parts of benzoin dimethylether, 1 part of coupling agent vinyltrimethoxysilane, 30 parts of solvent.
The parts by weight of the coating each component of high refractive index hardened layer are as follows: 15 parts of cyanogen spy EBECRYL8602, cyanogen are special
EBECRYL8713B15 parts, DPHA10 parts, 2,4,6- 3 parts of trimethylbenzoy-dipheny phosphine oxides, polar organic group changes
100 parts of zirconium oxide dispersed paste of property, 1 part of coupling agent 3- mercaptopropyltriethoxysilane, 30 parts of solvent.
Comparative example 2
The parts by weight of the coating each component of low-refraction anti-fog layer are as follows: 15 parts of Sartomer CN9013NS, Changxing DR-
15 parts of 050M1,3 parts of benzoin dimethylether, group modified 30 parts of hollow nano glass microsphere of polar organic, coupling agent ethylene
1 part of base trimethoxy silane, 30 parts of solvent.
The parts by weight of the coating each component of high refractive index hardened layer are as follows: 15 parts of cyanogen spy EBECRYL8602, cyanogen are special
15 parts of EBECRYL8713B, 10 parts of DPHA, 2,4,6- 3 parts of trimethylbenzoy-dipheny phosphine oxides, coupling agent 3- mercapto third
1 part of ethyl triethoxy silicane alkane, 30 parts of solvent.
The preparation of each antifog film of comparative example 1-2 and test method are as follows: high refractive index being hardened coating each group first
Divide and be coated on one side surface of PET base material layer after mixing, be put into baking in baking oven, takes out diaphragm and cross UV curing, obtain
High refractive index hardened layer；Then the antifog coating each component of low-refraction is coated on high refractive index hardened layer after mixing
On, it is put into baking in baking oven, diaphragm is taken out and crosses UV curing, obtains including high refractive index hardened layer and low-refraction anti-fog layer
The antifog film prepared is carried out reflectivity survey and set, the antifog film prepared is affixed on glass pane surface, carried out outer by antifog film
Sight, anti-fog properties, light transmittance, marresistance, water resistance, contact angle, adhesive force and hardness test.
The test method and condition of each embodiment and comparative example are as follows:
(1) appearance: range estimation.
(2) anti-fog properties: the glass plate for posting antifog film to be placed in 20 DEG C of temperature difference environment, waiting is observed and remembered afterwards for 24 hours
Record the phenomenon on glass plate.If no blushing then illustrates that anti-fog performance is good without apparent fog trace on glass, symbol
Close requirement.
(3) light transmittance and mist degree of the glass plate of antifog film light transmittance: are posted with the split type light transmittance instrument measurement of LS110.
(4) marresistance: being tested with steel wool method, method particularly includes: with the #000 steel wire of 10cm long load 200g
The glass pane surface of antifog film is posted in suede friction, visually observes the variation on surface.
(5) water resistance: the glass plate for posting antifog film is placed in 40 DEG C of water and is impregnated 10 days, appearance of coat is without cracking, nothing
Discoloration, and hundred lattice require to be 5 grades.
(6) contact angle: being tested before water resistance test impregnates respectively using SL200L+ contact angle measurement and is posted after impregnating
The contact angle of the glass plate of antifog film.
(7) adhesive force: using paint film adhesion analyzer according to standard GB/T/T 1720-89, utilizes the experiment point of hundred lattice
It Ce Shi not the preceding adhesive force with the glass plate for posting antifog film after immersion of water resistance test immersion.
(8) it hardness: is measured according to standard GB/T/T 6739-2006 using pencil hardness method.
(9) reflectivity: the antifog film for coating antifog coating and hardening coating is placed on a piece of black plate, will be reflected
Rate test equipment is tested in painting anti-fog layer coated surface.
Gained test result is as shown in table 1:
1 antifog film the performance test results of table
It can be seen from Table 1 that the present invention passes through the mass fraction of optimal setting coating each component, make to utilize low-refraction
Antifog coating and high refractive index hardening coating match prepared antifog film with excellent appearance, anti-fog properties, resistance to
Be also equipped with while aqueous, contact angle, adhesive force and hardness performance good marresistance energy and high optical transmittance and
Low reflectivity.In contrast, if only addition hollow-particle reduces the refractive index of anti-fog layer or only adds zirconium oxide
And/or titanium oxide improves the refractive index of hardened layer, the optical transmittance of the prepared antifog film comprising anti-fog layer and hardened layer
Optimal effect cannot be reached with reflectivity, it is seen then that the hollow-particle and hardened layer added in the antifog coating of the present invention applies
The zirconium oxide and/or titanium oxide added in material has relevance and synergistic effect, can make the optical transmittance of antifog film
Reach most preferably with reflectivity performance, and if not adding hollow-particle, the marresistance of antifog film can also decline.Moreover,
It is emphasized that the present invention obtain so good technical effect essentially consist in matrix resin and modified particle type matching and
The adjustment of its component proportion.
Claims (14)
1. a kind of anti-fog coating, which is characterized in that in parts by weight include following components:
First urethane acrylate: 10-15 parts；
Second urethane acrylate: 10-15 parts；
Photoinitiator: 2-4 parts；
Hollow-particle: 1-30 parts；
Coupling agent: 1-3 parts；
Solvent: 30-50 parts.
2. anti-fog coating according to claim 1, which is characterized in that first urethane acrylate is selected from 6-10 official
The urethane acrylate of energy degree, it is preferred that it is special that first urethane acrylate is selected from cyanogen spy EBECRYL8415, cyanogen
One of EBECRYL8602, Sartomer CN9013NS and Sartomer CN8885NS are several.
3. anti-fog coating according to claim 1, which is characterized in that second urethane acrylate is poly- for hydrophily
Urethane acrylate, it is preferred that second urethane acrylate is selected from cyanogen spy EBECRYL8713B and Changxing DR-050M1
One of or it is several.
4. anti-fog coating according to claim 1, which is characterized in that the material of the hollow-particle is organic matter or inorganic
Object, it is preferred that the hollow-particle is the hollow-particle group modified by polar organic.
5. anti-fog coating according to claim 1, which is characterized in that the coupling agent is selected from 3- methacryloxy third
Base trimethoxy silane, 3- methacryloxypropyl, three isopropoxy silicon of 3- methacryloxy
Alkane, vinyl silane triisopropoxide, vinyltrimethoxysilane, vinyltriethoxysilane, 3- mercapto propyl trimethoxy
One or more of base silane and 3- mercaptopropyltriethoxysilane.
6. a kind of high optical transmittance antiradar reflectivity antifog film of hydrophilic, which is characterized in that including substrate layer and in substrate layer one
The high refractive index hardened layer and low-refraction anti-fog layer set gradually on side.
7. antifog film according to claim 6, which is characterized in that the low-refraction anti-fog layer by according to claim 1-
Anti-fog coating described in any one of 5 is formed.
8. antifog film according to claim 6, which is characterized in that the refractive index of the low-refraction anti-fog layer is 1.2-
1.45, it is 10nm-1um that coating, which does thickness,；The refractive index of the high refractive index hardened layer is 1.55-1.75, and coating does thickness and is
500nm-20um。
9. antifog film according to claim 6, which is characterized in that the substrate layer be PET, TAC, PMMA, PI, COP,
One of TPU, PVC, PMMA/PC and CPI substrate layer, it is preferred that the surface of the substrate layer is by chemical treatment.
10. antifog film according to claim 6, which is characterized in that the coating for forming the high refractive index hardened layer includes
The component of following parts by weight:
First urethane acrylate: 10-15 parts；
Second urethane acrylate: 10-15 parts；
Monomer: 10-15 parts；
Photoinitiator: 2-4 parts；
The mixed slurry of zirconium oxide or titanium oxide or both: 1-100 parts；
Coupling agent: 1-3 parts；
Solvent: 30-50 parts.
11. antifog film according to claim 10, which is characterized in that first urethane acrylate is selected from 6-10 official
The urethane acrylate of energy degree, it is preferred that it is special that first urethane acrylate is selected from cyanogen spy EBECRYL8415, cyanogen
One of EBECRYL8602, Sartomer CN9013NS and Sartomer CN8885NS are several.
12. antifog film according to claim 10, which is characterized in that second urethane acrylate is poly- for hydrophily
Urethane acrylate, it is preferred that second urethane acrylate is selected from cyanogen spy EBECRYL8713B and Changxing DR-050M1
One of or it is several.
13. antifog film according to claim 10, which is characterized in that the monomer is selected from six acrylic acid of dipentaerythritol
Ester, pentaerythritol triacrylate and Osaka organic one of 802 or several.
14. antifog film according to claim 10, which is characterized in that the mixed slurry of the zirconium oxide or titanium oxide or both
For material to carry out the group modified dispersed paste of polar organic, decentralized medium is organic solvent or monomer.
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| CN110616034B (en) * | 2019-10-24 | 2022-02-22 | 芜湖春风新材料有限公司 | Anti-fog UV coating for automobile exterior trimming part and automobile lamp, preparation method of anti-fog UV coating and paint film formed by anti-fog UV coating |
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| CN114085559A (en) * | 2021-12-30 | 2022-02-25 | 深圳南科新材科技有限公司 | Antifogging and antifrosting film and preparation method thereof |
| CN114507421A (en) * | 2022-02-23 | 2022-05-17 | 太仓斯迪克新材料科技有限公司 | Antireflection film and display device |
| CN114507421B (en) * | 2022-02-23 | 2023-11-21 | 太仓斯迪克新材料科技有限公司 | Antireflection film and display device |
| CN115322681A (en) * | 2022-08-09 | 2022-11-11 | 东来涂料技术（上海）股份有限公司 | UV antifogging coating and preparation method and application thereof |
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