CN115850768A - Low-haze anti-dazzle hardened film and preparation method thereof - Google Patents
Low-haze anti-dazzle hardened film and preparation method thereof Download PDFInfo
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- CN115850768A CN115850768A CN202211481079.5A CN202211481079A CN115850768A CN 115850768 A CN115850768 A CN 115850768A CN 202211481079 A CN202211481079 A CN 202211481079A CN 115850768 A CN115850768 A CN 115850768A
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- 238000002360 preparation method Methods 0.000 title claims description 6
- 238000000576 coating method Methods 0.000 claims abstract description 85
- 239000011248 coating agent Substances 0.000 claims abstract description 84
- 239000007788 liquid Substances 0.000 claims abstract description 33
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims abstract description 31
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229920001577 copolymer Polymers 0.000 claims abstract description 22
- 229920005989 resin Polymers 0.000 claims abstract description 22
- 239000011347 resin Substances 0.000 claims abstract description 22
- 239000002904 solvent Substances 0.000 claims abstract description 19
- 229920005992 thermoplastic resin Polymers 0.000 claims abstract description 15
- 239000010410 layer Substances 0.000 claims description 28
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 21
- 239000003292 glue Substances 0.000 claims description 15
- 238000001035 drying Methods 0.000 claims description 11
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical group COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 claims description 9
- 239000011247 coating layer Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- UHESRSKEBRADOO-UHFFFAOYSA-N ethyl carbamate;prop-2-enoic acid Chemical compound OC(=O)C=C.CCOC(N)=O UHESRSKEBRADOO-UHFFFAOYSA-N 0.000 claims 1
- 239000000758 substrate Substances 0.000 abstract description 7
- 238000002834 transmittance Methods 0.000 abstract description 7
- 239000010408 film Substances 0.000 description 33
- 238000003848 UV Light-Curing Methods 0.000 description 10
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 9
- 239000004926 polymethyl methacrylate Substances 0.000 description 9
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 5
- 238000001723 curing Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000004313 glare Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009125 cardiac resynchronization therapy Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000005227 gel permeation chromatography Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000013557 residual solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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- Laminated Bodies (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
The invention discloses a low-haze anti-glare hardened film which comprises a substrate layer, a hardened coating and an anti-glare coating, wherein the hardened coating is clamped between the substrate layer and the anti-glare coating, and an anti-glare coating liquid of the anti-glare coating mainly comprises UV (ultraviolet) curing resin, thermoplastic resin, a photoinitiator and a first solvent; the thermoplastic resin is a methyl methacrylate/styrene copolymer, and the relative molecular weight of the methyl methacrylate/styrene copolymer is 8000-160000; the molar content of methyl methacrylate in the methyl methacrylate/styrene copolymer is 55-70%. The low-haze anti-glare hardened film has the advantages that the surface of the hardened coating is coated with the anti-glare coating liquid, so that the haze and the light transmittance of the hardened film are adjustable; the anti-glare coating liquid contains a methyl methacrylate/styrene copolymer, and the molar content of the methyl methacrylate in the copolymer is 55-70%, so that the formed concave-convex microstructure is uniform in distribution, and the haze of the hardened film is low.
Description
Technical Field
The invention relates to the technical field of thin films, in particular to a low-haze anti-dazzle hardening film and a preparation method thereof.
Background
Image displays represented by liquid crystal displays, plasma displays, CRTs are applied to the optical field. The display touch panel is formed by assembling a plurality of layers of structures such as a glass plate, a resin film, a conductive layer and the like, but because the use environment has an external light source, light is reflected by the surface of the display to cause a glare effect, and the quality of a displayed image is influenced. The prior art has the defects that: the particles are easy to settle and difficult to bulge out of the surface in the coating process; problems such as poor adhesion are likely to occur when the base film of the substrate is bonded to the resin in which the fine particles are dispersed.
Disclosure of Invention
One of the objectives of the present invention is to overcome the defects in the prior art, and provide a low-haze anti-glare hardened film, which has high light transmittance and good anti-glare optical properties, and has low haze.
In order to realize the process effect, the technical scheme of the invention is as follows: a low-haze anti-glare hardened film comprises a substrate layer, a hardened coating and an anti-glare coating, wherein the hardened coating is clamped between the substrate layer and the anti-glare coating, and an anti-glare coating liquid of the anti-glare coating mainly comprises UV (ultraviolet) curing resin, thermoplastic resin, a photoinitiator and a first solvent;
the thermoplastic resin is methyl methacrylate/styrene copolymer, and the relative molecular weight of the methyl methacrylate/styrene copolymer is 8000-160000;
the molar content of the methyl methacrylate in the methyl methacrylate/styrene copolymer is 55-70%.
The preferable technical scheme is as follows: the UV curing resin is polyurethane acrylate, and the functionality of the polyurethane acrylate is 2-6. The polyurethane acrylate is selected from one or more of Changxing ETERCURE 6118, U640 and ETERCURE 6145-100.
The preferable technical scheme is as follows: the first solvent is propylene glycol monomethyl ether and ethyl acetate, and the mass ratio of the propylene glycol monomethyl ether to the ethyl acetate is 1: (0.1-1).
The preferable technical scheme is as follows: the ratio of the mass of the UV-curable resin to the mass of the thermoplastic resin, calculated on a nonvolatile basis, is 1: (0.5-5).
The preferable technical scheme is as follows: the anti-glare coating liquid mainly comprises, by mass, 10 parts of UV curing resin, 6-25 parts of thermoplastic resin, 0.4-1 part of photoinitiator and 90-300 parts of first solvent. Furthermore, the main components of the anti-glare coating liquid comprise, by mass, 10 parts of UV curing resin, 10-25 parts of thermoplastic resin, 0.4-0.8 part of photoinitiator and 90-300 parts of first solvent.
The preferable technical scheme is as follows: the anti-dazzle coating liquid also comprises first hardening glue, wherein the mass of the first hardening glue accounts for 10-50% of that of the UV curing resin, and the solid content of the first hardening glue is 50-70%.
The preferable technical scheme is as follows: the hardening coating liquid of the hardening coating mainly comprises a second hardening glue and a second solvent, and the solid content of the hardening coating liquid is 25-35%.
The preferable technical scheme is as follows: the first hardening glue and/or the second hardening glue is LUXYDIR EQS-1292.
The invention also aims to overcome the defects in the prior art and provide a preparation method of the low-haze anti-glare hardened film, which comprises the following steps:
s1: arranging a hardening film blank with a hardening coating;
s2: coating an anti-glare coating liquid on the surface of the hardened coating of the hardened film blank, drying and curing to form an anti-glare coating, and preparing the low-haze anti-glare hardened film;
the ratio of the layer thickness of the hardened coating to the layer thickness of the anti-glare coating is 1: (0.04-2), and the layer thickness of the hardening coating is 2-5 mu m.
The preferable technical scheme is as follows: the continuous drying temperature in the S2 is set to be 65 +/-5 ℃,75 +/-5 ℃,80 +/-5 ℃,90 +/-5 ℃ and 80 +/-5 ℃ in sequence; the curing energy is 480 to 520mJ/cm 2 。
The invention has the advantages and beneficial effects that:
the low-haze anti-glare hardened film is formed by coating an anti-glare coating liquid on the surface of a hardened coating, so that the adjustable and controllable haze and light transmittance are realized; the anti-glare coating liquid contains thermoplastic resin of methyl methacrylate/styrene copolymer, and is compounded with UV curing resin to form the anti-glare coating with a concave-convex microstructure, the hardened film has optical properties of high light transmittance and good anti-glare property, and the formed concave-convex microstructure is uniformly distributed and the hardened film has low haze by the molar content of the methyl methacrylate in the methyl methacrylate/styrene copolymer being in the range of 55-70%.
Detailed Description
The following further describes embodiments of the present invention with reference to examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Low-haze anti-glare hardened film
The base material layer is PET, and the layer thickness of the base material layer is 50-250 μm. The composite layer of the hardened coating and the anti-glare coating improves the wear resistance of the hardened film and adjusts the haze of the hardened film. Furthermore, the layer thickness of the hardening coating is 2-4 μm, and the ratio of the layer thickness of the hardening coating to the layer thickness of the anti-glare coating is 1: (0.04-1), further, the layer thickness of the hardening coating layer is 2-4 μm, and the ratio of the layer thickness of the hardening coating layer to the layer thickness of the anti-glare coating layer is 1: (0.04-0.25). When the layer thickness of the anti-glare coating is too small, the wear resistance and the hardness of the anti-glare coating tend to be reduced, and the anti-glare performance is poor; the increase in the layer thickness of the antiglare coating increases the haze of the cured film, and a noticeable sparkle point, i.e., a sparkle spot, appears on the film surface.
Photoinitiator
The photoinitiator is one or more of PI 184, PI BP and PI MBF. Further, the photoinitiator was PI 184.
Anti-glare coating liquid
The thermoplastic resin is nonpolar resin, the UV curing resin is polar resin generally, the thermoplastic resin and the UV curing resin are compounded to form coating liquid, a solvent in the coating liquid is heated and evaporated, and a concave-convex microstructure is formed on the surface of the cured film layer, so that glare of the hardened film is reduced. The methyl methacrylate/styrene copolymer has excellent optical performance, and the hardened film with low haze and good anti-glare performance is formed by adjusting the molar content of the methyl methacrylate in the copolymer and adjusting the protrusion height and distribution morphology of the concave-convex microstructure. When the addition amount of the UV curing resin is too large, the solvent is volatilized, the UV curing resin and the thermoplastic resin are separated, the methyl methacrylate/styrene copolymer is separated, the formation of an initial concave-convex microstructure is hindered, and the anti-glare performance of the hardened film is negatively influenced; if the addition amount of the UV curing resin is too small, the leveling property of the anti-glare coating liquid is poor, so that the formed concave-convex microstructure is not uniformly distributed, and the convex height of the concave-convex microstructure is also not uniform.
The first solvent is propylene glycol monomethyl ether (PM) and Ethyl Acetate (EAC), on one hand, the leveling property of the anti-glare coating liquid compounded by the combined solvent is good, the film surface of the formed anti-glare coating is flat, and the residual solvent is less; on the other hand, the compatibility of the combination of the combined solvent and the methyl methacrylate/styrene copolymer is good, the phase distribution of methyl methacrylate and styrene after the two phases are dissolved in the first solvent is adjusted, and the protrusion height and the distribution morphology of the concave-convex microstructure are further adjusted.
First hardening glue
The anti-glare coating liquid contains the first hardening glue, so that the haze of the anti-glare coating is improved, and the adhesion between the anti-glare coating and the hardened coating is improved.
Hardening coating liquid
The hardening coating liquid mainly comprises second hardening glue and a second solvent, wherein the second solvent is propylene glycol monomethyl ether.
Preparation of methyl methacrylate/styrene copolymer
The material is prepared by a free radical polymerization method, azodiisobutyronitrile is selected as an initiator, and polymethyl methacrylate (PMMA, average molecular weight 9000) and styrene monomer (St, solid content > 99.5%) are selected as raw materials. Adding PMMA and St into a reactor to form a 30% methylbenzene solution of PMMA and St, introducing protective gas into the reactor, heating to 64-66 ℃, dropwise adding azobisisobutyronitrile, wherein the adding amount of the azobisisobutyronitrile is 3% of the total mass of PMMA and St, heating to 73-75 ℃ at the heating rate of 0.5-1 ℃/10min, and carrying out heat preservation reaction for 5 hours. The obtained polymer is precipitated, dissolved and reprecipitated for 3 times, and the purified polymer is dried for more than 10 hours under vacuum condition at 35-45 ℃ for later use. The obtained polymer has a relative molecular weight of 80000-160000 as determined by gel permeation chromatography.
Sample one, the molar mass ratio of PMMA to St is 30:70, the actual methyl methacrylate/styrene copolymer contains 56% by mole of methyl methacrylate;
sample two, the molar mass ratio of the starting materials PMMA and St is 35:65, the actual methyl methacrylate/styrene copolymer has a methyl methacrylate molar content of 61%;
sample three, the molar mass ratio of the starting materials PMMA and St is 40:60, the actual methyl methacrylate/styrene copolymer has a methyl methacrylate molar content of 66%;
sample four, the molar mass ratio of the starting materials PMMA and St is 25:75, the actual methyl methacrylate/styrene copolymer had a methyl methacrylate molar content of 51%.
Examples 1 to 9 and comparative example 1
The anti-glare coating liquid comprises the following components in parts by weight:
wherein the mass ratio of the first solvent propylene glycol monomethyl ether to the ethyl acetate is 1:0.4.
the composition of the hardening coating liquid in parts by mass is as follows in table 2:
| second hardening glue | Propylene glycol monomethyl ether | |
| Suppliers of goods | Di ai Sheng | Meiji chemical |
| Model number | LUXYDIR EQS-1292 | — |
| Hardening coating liquid | 50 | 50 |
The method for preparing the low-haze antiglare hardened film of examples 1 to 9 and comparative examples comprises the steps of:
s1: preparing a PET substrate layer with the thickness of 100 micrometers, preparing a hardening coating liquid according to the table 2, coating the hardening coating liquid on one surface of the substrate layer, drying and curing, setting the continuous drying temperature to 60 ℃,70 ℃,80 ℃,90 ℃ and 85 ℃ in sequence for about 3 minutes, and drying in a circulating oven at 520mJ/cm 2 Forming a hardened film blank with a hardened coating by ultraviolet irradiation;
s2: preparing the anti-glare coating liquid according to the table 1, coating the anti-glare coating liquid on the surface of the hardened coating layer of the hardened film blank, drying and curing, setting the continuous drying temperature to 65 ℃,75 ℃,80 ℃,90 ℃ and 80 ℃ in turn, drying for about 2 minutes in a circulating oven, and then drying by 510mJ/cm 2 And forming an anti-glare coating by ultraviolet irradiation to obtain the low-haze anti-glare hard coating.
In the low-haze antiglare hardened film, the layer thickness of the hardened coating layer was 3 μm.
And (3) performance testing:
1. light transmittance: the instrument comprises the following steps: NDH2000N.
2. Haze: the instrument comprises the following steps: NDH2000N.
3. Hardness: electric pencil hardness tester DDQ-Y3.
4. Wear resistance: and an abrasion tester WV-339.
5. Anti-glare property: placing the low-haze anti-glare hardened film in a background of a green screen of a mobile phone with 200ppi and 300ppi pixels, and observing the dazzling degree by naked eyes, wherein the dazzling degree is not felt to be 1 level; the dazzling is slightly sensed to be 2 grade; the glare was felt to be grade 3.
6. Definition: clarity meter ICM-1T.
The hardness of the hardened films of the examples and the comparative examples satisfies 500g/3H; the abrasion resistance is 1000g/100 times.
The hardened film with the definition of more than 75% is obtained through experiments, and no flash spots are seen; the definition of the hardened film is between 70 and 75 percent, and a small amount of flash spots exist.
The preferred hardened film satisfies: the light transmittance is more than 93 percent, the haze is less than 2 percent, the anti-dazzle performance is both 1 grade at 200ppi and 300ppi, and the definition is more than 80.
The second hardened film satisfies: the light transmittance is more than 92 percent, the haze is less than 8 percent, the anti-dazzle performance is 200ppi grade 1, and the definition is more than 70.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A low-haze anti-glare hardened film comprises a base material layer, a hardened coating and an anti-glare coating, and is characterized in that the hardened coating is clamped between the base material layer and the anti-glare coating, and an anti-glare coating liquid of the anti-glare coating mainly comprises UV (ultraviolet) cured resin, thermoplastic resin, a photoinitiator and a first solvent;
the thermoplastic resin is a methyl methacrylate/styrene copolymer, and the relative molecular weight of the methyl methacrylate/styrene copolymer is 8000-160000;
the molar content of methyl methacrylate in the methyl methacrylate/styrene copolymer is 55-70%.
2. The low-haze anti-glare hardened film according to claim 1, wherein the UV curable resin is urethane acrylate having a functionality of 2~6.
3. The low-haze anti-glare hardened film according to claim 1 or 2, wherein the first solvent is propylene glycol monomethyl ether and ethyl acetate, and the mass ratio of the propylene glycol monomethyl ether to the ethyl acetate is 1: (0.1 to 1).
4. The low-haze anti-glare hardened film according to claim 2, wherein the ratio of the mass of the UV-curable resin to the mass of the thermoplastic resin is 1: (0.5 to 5).
5. The low-haze anti-glare hard coating according to claim 3, wherein the anti-glare coating liquid mainly comprises, by mass, 10 parts of a UV curable resin, 6 to 25 parts of a thermoplastic resin, 0.4 to 1 part of a photoinitiator, and 90 to 300 parts of a first solvent.
6. The low-haze anti-glare hard coating according to claim 1 or 5, wherein the anti-glare coating liquid further comprises a first hard glue, the mass of the first hard glue accounts for 10-50% of the mass of the UV curable resin, and the solid content of the first hard glue is 50-70%.
7. The low-haze anti-glare hardened film according to claim 6, wherein the hardening coating liquid of the hardened coating layer mainly comprises a second hardening gum and a second solvent, and the solid content of the hardening coating liquid is 25% -35%.
8. The low-haze anti-glare hardened film according to claim 7, wherein the first hardening glue and/or the second hardening glue is LUXYDIR EQS-1292.
9. A preparation method of a low-haze anti-glare hardened film is characterized by comprising the following steps:
s1: arranging a hardening film blank with a hardening coating;
s2: coating an anti-glare coating liquid on the surface of the hardened coating layer of the hardened film blank body, drying and curing to form an anti-glare coating layer, and obtaining the low-haze anti-glare hardened film of any one of claim 1~8;
the ratio of the layer thickness of the hardened coating to the layer thickness of the anti-glare coating is 1: (0.04 to 2), wherein the layer thickness of the hardened coating is 2~5 μm.
10. The method for preparing a low-haze anti-glare hardened film according to claim 9, wherein the continuous drying temperature in S2 is set to 65 ± 5 ℃,75 ± 5 ℃,80 ± 5 ℃,90 ± 5 ℃,80 ± 5 ℃ in the order named; the curing energy is 480 to 520mJ/cm 2 。
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|---|---|---|---|---|
| US20040196558A1 (en) * | 2003-04-03 | 2004-10-07 | Hiroshi Takahashi | Anti-glare film |
| US20100062187A1 (en) * | 2008-09-10 | 2010-03-11 | Hiroshi Takahashi | Anti-glare film and process for producing the same |
| US20100062225A1 (en) * | 2008-09-10 | 2010-03-11 | Hiroshi Takahashi | Anti-glare film and process for producing the same |
| JP2014071395A (en) * | 2012-10-01 | 2014-04-21 | Nippon Paper Industries Co Ltd | Anti-glare hard coat film |
| KR20170090679A (en) * | 2016-01-29 | 2017-08-08 | 주식회사 효성 | Low-haze anti-reflection film having superior transmission clarity |
| CN109810555A (en) * | 2018-12-21 | 2019-05-28 | 宁波激智科技股份有限公司 | The hardened layer coating fluid and a kind of cured film of a kind of high rigidity, anti-dazzle |
| US20200363561A1 (en) * | 2019-05-16 | 2020-11-19 | Benq Materials Corporation | Anti-glare film and polarizer with the same |
| JP2021030475A (en) * | 2019-08-19 | 2021-03-01 | 三菱瓦斯化学株式会社 | Transparent resin laminate, transparent substrate material and transparent protective material using it |
| CN114213694A (en) * | 2021-12-24 | 2022-03-22 | 苏州诺菲纳米科技有限公司 | Anti-glare film with high haze and low flash point and preparation method thereof |
-
2022
- 2022-11-24 CN CN202211481079.5A patent/CN115850768B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040196558A1 (en) * | 2003-04-03 | 2004-10-07 | Hiroshi Takahashi | Anti-glare film |
| US20100062187A1 (en) * | 2008-09-10 | 2010-03-11 | Hiroshi Takahashi | Anti-glare film and process for producing the same |
| US20100062225A1 (en) * | 2008-09-10 | 2010-03-11 | Hiroshi Takahashi | Anti-glare film and process for producing the same |
| JP2014071395A (en) * | 2012-10-01 | 2014-04-21 | Nippon Paper Industries Co Ltd | Anti-glare hard coat film |
| KR20170090679A (en) * | 2016-01-29 | 2017-08-08 | 주식회사 효성 | Low-haze anti-reflection film having superior transmission clarity |
| CN109810555A (en) * | 2018-12-21 | 2019-05-28 | 宁波激智科技股份有限公司 | The hardened layer coating fluid and a kind of cured film of a kind of high rigidity, anti-dazzle |
| US20200363561A1 (en) * | 2019-05-16 | 2020-11-19 | Benq Materials Corporation | Anti-glare film and polarizer with the same |
| JP2021030475A (en) * | 2019-08-19 | 2021-03-01 | 三菱瓦斯化学株式会社 | Transparent resin laminate, transparent substrate material and transparent protective material using it |
| CN114213694A (en) * | 2021-12-24 | 2022-03-22 | 苏州诺菲纳米科技有限公司 | Anti-glare film with high haze and low flash point and preparation method thereof |
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| CN115850768B (en) | 2024-01-26 |
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