CN102806736A - Hard coating film - Google Patents

Hard coating film Download PDF

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Publication number
CN102806736A
CN102806736A CN2011102656562A CN201110265656A CN102806736A CN 102806736 A CN102806736 A CN 102806736A CN 2011102656562 A CN2011102656562 A CN 2011102656562A CN 201110265656 A CN201110265656 A CN 201110265656A CN 102806736 A CN102806736 A CN 102806736A
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Prior art keywords
hard coating
coating film
resin
hard
film
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Granted
Application number
CN2011102656562A
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CN102806736B (en
Inventor
长谷川祐太
前田实
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Oike and Co Ltd
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Oike and Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/06Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/18Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/30Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/308Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/10Optical coatings produced by application to, or surface treatment of, optical elements
    • G02B1/14Protective coatings, e.g. hard coatings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2264/00Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/10Inorganic particles
    • B32B2264/102Oxide or hydroxide
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2333/00Polymers of unsaturated acids or derivatives thereof
    • B32B2333/04Polymers of esters
    • B32B2333/12Polymers of methacrylic acid esters, e.g. PMMA, i.e. polymethylmethacrylate
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2457/00Electrical equipment
    • B32B2457/20Displays, e.g. liquid crystal displays, plasma displays

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Laminated Bodies (AREA)
  • Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
  • Paints Or Removers (AREA)
  • Surface Treatment Of Optical Elements (AREA)

Abstract

An object of the invention is to provide a hard coating film. The hard coating film has a surface with a high hardness of a pencil hardness of more than 5H, and has good flaw resistance and wear resistance, and good flexibility and transparency, being suitable to be used as an optical film. The hard coating film comprises a plastic film as a base material, and a hard coating. The hard coating is at least partially stacked on one surface of the plastic film. The plastic film is an acrylic acid resin film, and the hard coating contains organic-inorganic resins which comprises an additive of fluorochemicals.

Description

Hard coating film
Technical field
A kind of mode of the present invention relates to optics that the diaphragm as image display device etc. uses with hard coating film (hard coat film).
Background technology
Require the picture display face of image display devices such as LCD, display of organic electroluminescence to have traumatic resistance, make that picture display face can not be damaged in use.Therefore, sometimes on picture display face adhesive surface have the basement membrane (hard coating film) of hard conating.Thus, can improve the traumatic resistance of the picture display face of image display device.
Method as on the surface of basement membrane, forming hard conating has proposed the whole bag of tricks.For example, a kind of method is that coating contains the smears of optical polymerism resins such as thermosetting resin or uv curing resin on membrane surface, and the smears is solidified.Form thus by comprising the more hard conating of filming and constituting of animi resin.For example, in patent documentation 1 disclosed method, on membrane surface, be coated with polysilazane.After this, through making the polysilazane potteryization of coating, form silicon oxide film as hard conating.In patent documentation 2 disclosed methods, on membrane surface, be coated with resins such as uv curing resin, this uv curing resin contains the particulates such as cataloid as filler.Form harder hard conating thus.
Patent documentation 1: Japan Patent open communique spy open flat 8-112879 number
Patent documentation 2: Japan Patent open communique spy open 2002-67238 number
About patent documentation 1 disclosed method, the hard conating that constitutes by the silicon oxide film of potteryization enough hardness itself arranged.But the problem that this method exists is: if said hard conating is thin, then can not get enough pencil hardness.
About described problem,, can consider to make simply said hard conating thickening in order to improve pencil hardness.If the hard conating thickening then can improve pencil hardness really.But in this case, exist hard conating to be prone to crack or problem that hard conating is prone to peel off itself.
If make the hard conating thickening, then also can damage the whole flexibility (flexible) of laminated film.Also exist when laminated film is crooked in addition, hard conating cracks or produces the problem of splitting.
As stated, patent documentation 2 disclosed methods are to contain the resin as the particulates such as cataloid of filler through use, form the method for harder hard conating., in the method, owing to contain filler, the transparency of hard conating descends.Its result produces following problem, under the situation on the display surface that sticks on described hard conating as the hard coating film of optical applications image display device, can damage the transparency of display surface that is:.
Summary of the invention
In view of said problem; The purpose of a mode of the present invention provides a kind of hard coating film, and this hard coating film has the surface that pencil hardness is the above high rigidity of 5H, has good traumatic resistance and mar proof; And have good flexibility and transparent, be especially suitable for use as optical film in addition.
In order to realize said purpose; Mode 1 of the present invention provides a kind of hard coating film; Comprise plastic foil and hard conating as matrix material, this hard conating is layered on the face of said plastic foil at least, and said plastic foil is an acrylic resin film; The resin that forms said hard conating contains organic-inorganic hybrid resin, and this organic-inorganic hybrid resin contains the additive of fluoride compound.
The hard coating film of mode 2 of the present invention is hard coating films of mode 1, and said acrylic resin film is to be processed by the resin that is main component with the polymethyl methacrylate.
The hard coating film of mode 3 of the present invention is hard coating films of said mode 1 or said mode 2, and the resin that forms said hard conating contains the said fluoride compound below the above 5 weight % of 0.1 weight %.
The hard coating film of mode 4 of the present invention is any one hard coating films in said mode 1 to the said mode 3, and the resin that forms said hard conating contains the silica below the above 80 weight % of 20 weight %.
The hard coating film of mode 5 of the present invention is any one hard coating films in said mode 1 to the said mode 4, and the thickness of said hard conating is more than the 1 μ m and is below the 50 μ m.
1 hard coating film uses the plastic foil of acrylic resin film as matrix material in the manner described.In addition, the resin of formation hard conating contains organic-inorganic hybrid resin.Therefore, because the adhesion of basement membrane and hard conating is good, so be difficult to peel off or crackle in their interface generation.That is, said hard coating film has good flexibility.In addition, said hard coating film has the good transparency, high case hardness, good traumatic resistance and good mar proof.
In addition, in the hard conating of said hard coating film, in organic-inorganic hybrid resin, contain the additive of fluoride compound.Thus, even when hard coating film is crooked, in hard conating, also be difficult to crack.That is, said hard coating film has good flexibility.In addition, utilize fluoride compound to improve the surface smoothness of hard conating.Because the surface of hard conating becomes smooth, should the surface so be difficult to damage.Its result, said hard coating film has good traumatic resistance and mar proof.
The specific embodiment
Hard coating film (this hard coating film) to this embodiment describes.
This hard coating film comprises as the plastic foil of matrix material and hard conating.Hard conating is layered on the single or double of plastic foil.Plastic foil is an acrylic resin film.Hard conating contains organic-inorganic hybrid resin, and this organic-inorganic hybrid resin contains the additive of fluoride compound.
As stated, this hard coating film uses acrylic resin film as matrix material (plastic foil).Acrylic resin film is that case hardness is good and have the basement membrane of the transparency, flexibility and flexibility concurrently.Therefore, preferably, use the matrix material of acrylic resin film as this hard coating film.Thus, can for example use this hard coating film well as optical film.
In addition, preferably, the thickness of plastic foil is more than the 50 μ m and is below the 250 μ m.If the thickness of plastic foil is less than 50 μ m, the durability of the hard coating film that then obtains itself might go wrong.If said thickness is greater than 250 μ m, then the flexibility of hard coating film itself, the transparency might go wrong.
As acrylic resin film, for example can use polymethyl methacrylate (PMMA) film.In addition, only also can use the film processed by the polyalkyl acrylate resin and by the film of processing as the resin of basis with polyalkyl methacrylate.The film that should be processed by the resin that with the polyalkyl methacrylate is basis can be in the hard resin of being processed by polyalkyl methacrylate, contains the soft resin of being processed by copolymer rubber composition, conjugated diolefine polymer rubber, alkanoic acid ester etc. and the film of processing.Through containing flexibility and the toughness that soft resin can improve film.In addition, also can use the film of processing by through the resin that forms the polyalkyl acrylate resin that does not contain rubber constituent and other macromolecule resin alloyings.
In this hard coating film, use with the PMMA resin to the polymethyl methacrylate film of main component as plastic foil.Its reason is: the PMMA resin has high transparency, and light and tough; And the PMMA resin is water white, has than the better light transmittance of glass, and has good weatherability, resistance to water and resistance to impact.
Describe in the face of the hard conating in this hard coating film down.
The hard conating of this hard coating film is the organic-inorganic hybrid resin that contains fluoride compound.
Preferably, said organic-inorganic hybrid resin for example is a uv curing resin, in this uv curing resin, is dispersed with silica (silica) ultra-fine grain that has imported photopolymerization reaction property functional group on the surface.Preferably, in fact said ultra-fine grain is dispersed in the uv curing resin.
As photopolymerization reaction property functional group, can use with (methyl) acryloxy to be polymerism unsaturated group of representative etc.For example can use ultraviolet hardening acrylic resin, ultraviolet hardening acroleic acid polyurethane resinoid, ultraviolet hardening polyester acrylic esters resin, ultraviolet hardening epoxy acrylic esters resin, ultraviolet hardening polyalcohol acrylate resinoid or ultraviolet hardening epoxy resin etc. as uv curing resin.Uv curing resin is not limited to described resin, can suitably select to use appropriate resin.At this, omitted the more description except that said content about uv curing resin.
The average grain diameter that is dispersed in the silica ultra-fine grain in the uv curing resin is 0.001~0.5 μ m preferably.Through the ultra-fine grain that use has the average grain diameter of said scope, can obtain the hard conating of optical characteristics such as the transparency and hard conating function admirable.In addition, in order to obtain said effect, the preferred ultra-fine grain that is to use average grain diameter more easily with 0.001~0.01 μ m.
Equally, in order to improve optical characteristics and hard conating performance such as the transparency, preferably make the silica ultra-fine grain content whole be more than the 20 weight % and be below the 80 weight % with respect to the resin that forms hard conating.The reason of preferred this scope is: under the situation of content less than 20 weight % of silica ultra-fine grain, can not make the intensity on surface enough high, if the content of silica ultra-fine grain greater than 80 weight %, then film coated surface is opaque and rough.
Describe in the face of the fluoride compound that is contained in the organic-inorganic hybrid resin down.Specifically, said fluoride compound for example is the compound with perfluoro-polyether of carbon-to-carbon double bond.
Through adding said fluoride compound in the aforesaid organic-inorganic hybrid resin to, process the resin that is used to form hard conating.Through using this resin, can make the surface of hard conating have soil resistance, particularly have the good performance that fingerprint adheres to that prevents.In addition, the surface of hard conating becomes the low-friction surface with water and oil repellant property.And hard conating has higher flexibility and good flexibility.
The addition of fluoride compound is with respect to the gross weight of organic-inorganic hybrid resin and fluoride compound, and under the situation that the active ingredient rate that spends after desolventizing is represented, it is above and be below the 5.0 weight % to be preferably 0.1 weight %.The reason of preferred this scope is: under the situation of addition less than 0.1 weight % of fluoride compound, can not obtain the toughness of hard coating film, if the addition of fluoride compound greater than 5.0 weight %, then can not obtain having the film coated surface of enough high rigidity.
The hard conating of this hard coating film forms by following mode.That is,, be coated on the surface as the plastic foil of matrix material the aforesaid organic-inorganic hybrid resin that adds fluoride compound.Then, through irradiation ultraviolet radiation etc. said resin bed is solidified.Form hard conating thus.At this moment, in hard conating, make the photopolymerization reaction property functional group polymerization reaction take place of uv curing resin composition and silica ultra-fine grain through irradiation ultraviolet radiation.Thus, the silica ultra-fine grain forms through chemical bond and is dispersed in the netted cross linking membrane in the organic matrix.That is the film of the fluoride compound of formation and cross linking membrane strong bonded on hard coating surface.
Under the situation of thickness less than 1 μ m of hard conating, can not make the hardness on surface enough high.On the other hand, under the situation of thickness greater than 50 μ m of hard conating, the flexibility of hard conating reduces.Therefore, the average film thickness of hard conating is preferably more than the 1 μ m and is below the 50 μ m.In order to obtain the thickness of this scope, appropriate is to make the thickness (wet coating thickness) of the resin after coating on the plastic foil be approximately 2~100 μ m.
As method (being the method for coating resin), for example can use gravure rubbing method, excellent rubbing method, cutter rubbing method, roller rubbing method, scraper plate rubbing method, mould rubbing method etc. at the surperficial laminated resin of plastic foil (basement membrane).In the manufacturing of this hard coating film, as long as suitably select to use suitable method.
In addition, make the photopolymerisable ultraviolet light source of uv curing resin, for example can use Cooper-Hewitt lamp, middle medium pressure mercury lamp, high-pressure mercury-vapor lamp, extra-high-pressure mercury vapour lamp, carbon arc lamp, metal halide lamp, xenon lamp etc. as being used to.
[embodiment]
Embodiment in the face of this hard coating film describes down.But this hard coating film is not limited to described embodiment.
< embodiment 1 >
At first, prepared the resin (coating) of employed embodiment 1 in the hard conating of the hard coating film that forms embodiment 1.The coating of this embodiment 1 has following proportioning and forms.
In the coating of this embodiment 1, allocate into: hard coating composition (JSR Corp.'s system of the hybrid inorganic-organic type of 10.0 weight portions; オ プ ス タ one KZ6445; The solution that contains the solid constituent of 50 weight %), the hard coating composition of this hybrid inorganic-organic type is to allocate in the acrylic resin through the silica ultra-fine grain that will import photopolymerization reaction property functional group to process; As the fluoride compound of 0.8 weight portion of additive (Daikin Ind Ltd's system, オ プ Star one Le DAC-HP contain the solution of the fluoride compound composition of 20 weight %); And as the MEK of 6.4 weight portions of retarder thinner.
The plastic foil of the hard coating film of embodiment 1 is that thickness is the polymethyl methacrylate film (Sumitomo Chemical Co's system, テ Network ノ ロ イ S001G) of 125 μ m.On a face of this plastic foil, be coated with the coating of embodiment 1 through excellent rubbing method, made that the thickness after solidifying is 15 μ m., nitrogen utilizes high-pressure mercury light irradiation 440mJ/cm under purging after the solvent seasoning 2Ultraviolet ray, make curing of coating.Made the hard coating film of embodiment 1 like this.
< embodiment 2 >
Then, the resin (coating) of the embodiment 2 that has prepared in the hard conating of the hard coating film that forms embodiment 2, to use.The coating of this embodiment 2 has following proportioning and forms.
In the coating of this embodiment 2, to allocate into: the machine of 10.0 weight portions do not have-and (the common commercial firm of モ メ Application テ イ Block パ Off オ one マ Application ス マ テ リ ア Le ズ ジ ヤ パ Application makes for the hard coating composition of machine hydridization type; UVHC7000; The solution that contains the solid constituent of 32 weight %), the hard coating composition of this hybrid inorganic-organic type is to allocate in the acrylic resin through the silica ultra-fine grain that will import photopolymerization reaction property functional group to process; As the fluoride compound of 0.3 weight portion of additive (Dainippon Ink Chemicals makes, and メ ガ Off ア Star Network RS-75 contains the solution of the fluoride compound composition of 40 weight %); And as the MEK of 0.7 weight portion of retarder thinner.
The plastic foil of the hard coating film of embodiment 2 is to be the polymethyl methacrylate film (Sumitomo Chemical Co's system, テ Network ノ ロ イ S001G) of 125 μ m with embodiment 1 identical thickness.On a face of this film, be coated with the coating of embodiment 2 through excellent rubbing method, made that the thickness after solidifying is 15 μ m.After the solvent seasoning,, nitrogen utilizes high-pressure mercury light irradiation 440mJ/cm under purging 2Ultraviolet ray, make curing of coating.Made the hard coating film of embodiment 2 like this.
< comparative example 1 >
In order to compare, made the hard coating film of comparative example 1.In the hard coating film of the hard coating film of comparative example 1 and embodiment 1, different as the plastic foil that matrix material uses.In the hard coating film of comparative example 1, be the biaxial stretch-formed polyethylene terephthalate film of 125 μ m as the plastic foil used thickness of matrix material.
Identical with embodiment 1, in making the hard coating film process of comparative example 1, be coated on the coating of embodiment 1 on the face of biaxial stretch-formed polyethylene terephthalate film that thickness is 125 μ m.After the solvent seasoning, make curing of coating.Made the hard coating film of comparative example 1 like this.
< comparative example 2 >
In addition, in order to compare, made the hard coating film of comparative example 2.In the hard coating film of the hard coating film of comparative example 2 and embodiment 1, the coating that is used to form hard conating is different.Different with the coating of embodiment 1, in the coating of comparative example 2, do not add fluoride compound.
That is, the coating of comparative example 2 has following proportioning composition.In the coating of comparative example 2, allocate into: (JSR Corp. makes the hard coating composition of the hybrid inorganic-organic type of 10.0 weight portions; オ プ ス タ one KZ6445; The solution that contains the solid constituent of 50 weight %), the hard coating composition of this hybrid inorganic-organic type is to allocate in the acrylic resin through the silica ultra-fine grain that will import photopolymerization reaction property functional group to process; And the MEK as retarder thinner of 6.7 weight portions.
Identical with embodiment 1, the plastic foil of the hard coating film of comparative example 2 is that thickness is the polymethyl methacrylate film (Sumitomo Chemical Co's system, テ Network ノ ロ イ S001G) of 125 μ m.Under the condition identical with the foregoing description 1, be coated on the coating of comparative example 2 on the face of said plastic foil after, make coating dry and solidify, thereby be made into the hard coating film of comparative example 2.
Pencil hardness and flexibility to the foregoing description 1, embodiment 2, comparative example 1 and 2 four kinds of hard coating films of comparative example are estimated.Its evaluation result is illustrated in the table 1 with the sample content of hard coating film.In addition, implemented described evaluation by the content that is described below.
Carried out the evaluation of pencil hardness by JIS K5600-5-4 standard.Carried out so-called scratch test, that is: be placed on the angle of the different many pencils of hardness on the specimen surface of hard coating film, after this pencil has been applied load and draw a specimen surface with 45 °.Then the pencil hardness of the hardness of the hardest pencil that does not make surface generation scar as this sample.
According to JIS K5600-5-1 standard, use cylindrical shape plug (mandrel) to carry out flexible evaluation.The diameter of the plug that uses is 32mm.After the sample bending of each hard coating film, having observed has flawless or peels off on the sample.On hard conating, do not observe crackle or peel off be evaluated as zero, observe being evaluated as of cracking or peel off *.
Table 1
Figure BDA0000090020400000081
Shown in the evaluation result of table 1, the pencil hardness of the hard coating film of embodiment 1 and embodiment 2 all is stone 5H.That is, described hard coating film has good traumatic resistance and mar proof.In addition, about described hard coating film, even when crooked, on hard conating, also do not crack film or peel off.That is, described hard coating film has good flexibility.Therefore, can confirm: described hard coating film has good practicability as the hard coating film of using as the optics of the diaphragm of image display device etc.
On the other hand, the hard coating film of comparative example 1 polyethylene terephthalate film as basement membrane.In this hard coating film, worsen as the hard conating of the coverlay of hybrid inorganic-organic type and the adhesion of basement membrane.Therefore, the film bending time, on the interface of hard conating and basement membrane, produced and peeled off or crackle.That is, this hard coating film has bad flexibility.
In addition, the hard coating film of comparative example 2 has the hard conating that is formed by the coating that does not add fluoride compound.The hard conating of this hard coating film is compared with the hard conating of embodiment 2 with embodiment 1, has low flexibility.Therefore, for the hard coating film of comparative example 2, when making film crooked, on hard conating, produced crackle with the plug of diameter 32mm.That is, the hard coating film of comparative example 2 has bad flexibility.
In addition, the pencil hardness of the hard coating film of comparative example 1 and comparative example 2 all be 4H, soft than the hard coating film of embodiment 1 and embodiment 2.That is, in evaluation, do not obtain the desirable pencil hardness of using as optics of hard coating film (enough pencil hardness) to the hard coating film of comparative example 1 and comparative example 2.
As stated, about this hard coating film, use the plastic foil of acrylic resin film as matrix material.In addition, the material as hard conating has used organic-inorganic hybrid resin.Therefore, in this hard coating film,, peel off or crackle so on their interface, be difficult to produce because the adhesion of basement membrane and hard conating is good.That is, this hard coating film has good flexibility.In addition, this hard coating film has the good transparency, high case hardness, good traumatic resistance and good mar proof.
In addition, about the hard conating of this hard coating film, in organic-inorganic hybrid resin, contain the additive of fluoride compound.Thus, the film bending time, also be difficult in hard conating, crack.That is, this hard coating film has good flexibility.In addition, utilize fluoride compound to improve the slickness of hard coating surface.Therefore, because hard coating surface becomes smooth, should the surface so be difficult to damage.Therefore, this hard coating film also has better traumatic resistance and mar proof.
Industrial applicibility
The hard coating film of a kind of mode of the present invention has the good transparency, and has good flexibility and enough pencil hardness.That is, this hard coating film has good traumatic resistance and mar proof.Therefore, this hard coating film is very useful as optical film, and this optical film is as in the past as the substitute use with glass such as the optics of the diaphragm of image display device etc.

Claims (10)

1. a hard coating film is characterized in that, said hard coating film comprises that as the plastic foil of matrix material and hard conating this hard conating is layered on the face of said plastic foil at least,
Said plastic foil is an acrylic resin film,
The resin that forms said hard conating contains organic-inorganic hybrid resin, and this organic-inorganic hybrid resin contains the additive of fluoride compound.
2. hard coating film according to claim 1 is characterized in that, the resin that forms said hard conating contains the said fluoride compound below the above 5 weight % of 0.1 weight %.
3. hard coating film according to claim 1 is characterized in that, the resin that forms said hard conating contains the silica below the above 80 weight % of 20 weight %.
4. hard coating film according to claim 1 is characterized in that the resin that forms said hard conating is a uv curing resin, in this uv curing resin, is dispersed with the silica ultra-fine grain that has imported photopolymerization reaction property functional group on the surface.
5. hard coating film according to claim 1 is characterized in that, the thickness of said hard conating is more than the 1 μ m and is below the 50 μ m.
6. hard coating film according to claim 1 is characterized in that, said acrylic resin film is to be processed by the resin that is main component with the polymethyl methacrylate.
7. hard coating film according to claim 6 is characterized in that, the resin that forms said hard conating contains the said fluoride compound below the above 5 weight % of 0.1 weight %.
8. hard coating film according to claim 6 is characterized in that, the resin that forms said hard conating contains the silica below the above 80 weight % of 20 weight %.
9. hard coating film according to claim 6 is characterized in that the resin that forms said hard conating is a uv curing resin, in this uv curing resin, is dispersed with the silica ultra-fine grain that has imported photopolymerization reaction property functional group on the surface.
10. hard coating film according to claim 6 is characterized in that, the thickness of said hard conating is more than the 1 μ m and is below the 50 μ m.
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TWI568588B (en) 2017-02-01
JP2012250438A (en) 2012-12-20

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