WO2016047798A1 - ハードコートフィルム及びディスプレイ装置用光学フィルム - Google Patents
ハードコートフィルム及びディスプレイ装置用光学フィルム Download PDFInfo
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- WO2016047798A1 WO2016047798A1 PCT/JP2015/077224 JP2015077224W WO2016047798A1 WO 2016047798 A1 WO2016047798 A1 WO 2016047798A1 JP 2015077224 W JP2015077224 W JP 2015077224W WO 2016047798 A1 WO2016047798 A1 WO 2016047798A1
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- hard coat
- coat layer
- film
- leveling agent
- meth
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/47—Levelling agents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/14—Protective coatings, e.g. hard coatings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2383/00—Polysiloxanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2457/00—Electrical equipment
- B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
Definitions
- the present invention relates to a hard coat film in which a hard coat layer is formed on a film substrate.
- the present invention relates to a hard coat film used on the surface of a CRT display or a flat panel display (liquid crystal display, plasma display, EL display, touch panel display, etc.).
- a hard coat film used on the surface of a CRT display or a flat panel display (liquid crystal display, plasma display, EL display, touch panel display, etc.).
- it is related with the optical film for display apparatuses using this hard coat film.
- Various displays or glass such as liquid crystal displays, CRTs, plasma displays, outdoor display panels, electric bulletin boards, etc., with a hard coat layer on which a thermoplastic resin film is used as a base material for the purpose of protecting the surface Film is being used.
- a flat panel represented by a liquid crystal display uses a triacetyl cellulose film as a base material because of its high light transmittance, few defects, and low polarization.
- a hard coat layer is formed by coating and curing a curable resin such as an electron beam curable resin on the surface of the thermoplastic resin film.
- the electron beam curable resin is composed of a monomer, an oligomer, a photopolymerization initiator, and the like, and is irradiated with an electron beam to cause a three-dimensional cross-linking and develop a hard property.
- a silicone-based, fluorine-based or acrylic-based leveling agent is usually added to the hard coat layer.
- a leveling agent is used in order to suppress optical unevenness (see Patent Documents 1 and 2 below).
- the hard coat layer of the hard coat film used for the liquid crystal display may be used by being firmly bonded to another optical film, a housing or the like via an adhesive such as an acrylic adhesive.
- a protective film with a weak adhesive force such as a natural rubber-based pressure-sensitive adhesive may be attached to the hard coat surface.
- the hard coat layer has excellent adhesion to the base material and hard properties, has a good coated surface with no optical unevenness, and is used in joining the hard coat layer and a liquid crystal display member, etc.
- An object of the present invention is to provide a hard coat film having high adhesiveness with an acrylic pressure-sensitive adhesive, while also being excellent in peelability of a natural rubber-based pressure-sensitive adhesive.
- Another object of the present invention is to provide an optical film for a display device using the hard coat film.
- the present invention provides an invention having the following configuration.
- (First invention) A hard coat film in which a hard coat layer containing an electron beam curable resin and a leveling agent is formed on a film substrate, wherein the leveling agent contains a polyester-modified polydimethylsiloxane. Hard coat film.
- the said electron beam curable resin contains the polyfunctional (meth) acrylate resin which has a 3 or more (meth) acryloyl group,
- the hard coat film characterized by the above-mentioned.
- the blend amount of the polyester-modified polydimethylsiloxane is in the range of 0.1 wt% to 3.0 wt% with respect to the electron beam curable resin of the hard coat layer.
- the hard coat film according to any one of the first to sixth inventions wherein the thickness of the hard coat layer is in the range of 1 to 20 ⁇ m.
- a value defined by the film thickness ( ⁇ m) of the hard coat layer ⁇ the total amount (% by weight) of the leveling agent is 0.1 to 60.0 ( ⁇ m) -Hard coat film characterized by being in the range of wt%).
- the hard coat layer has excellent adhesion to the base material and hard properties, and has a good coated surface without optical unevenness, and is used in the joining of the hard coat layer and the liquid crystal display member and the like. While having high adhesiveness with an acrylic adhesive, the hard coat film which is excellent also in the peelability of a natural rubber adhesive can be provided. Moreover, the optical film for display apparatuses provided with the favorable characteristic can be provided by using the hard coat film of this invention.
- the hard coat film according to the present invention is the hard coat film in which a hard coat layer containing an electron beam curable resin and a leveling agent is formed on the film base as in the first invention. Then, the leveling agent contains polyester-modified polydimethylsiloxane.
- a hard coat layer containing an electron beam curable resin and a leveling agent is formed on a film substrate. It is a coat film, The polyester modified polydimethylsiloxane and the monomer or polymer containing a fluorine group are contained as said leveling agent, It is characterized by the above-mentioned.
- the electron beam curable resin contains a polyfunctional (meth) acrylate resin having three or more (meth) acryloyl groups. This will be described in detail below.
- the film substrate used in the present invention is not particularly limited.
- Polybutylene naphthalate, polystyrene, polymethyl methacrylate, polystyrene glycidyl methacrylate and mixtures thereof can be exemplified, but from the viewpoint of heat resistance, availability, and economy, polyethylene terephthalate, polyethylene naphthalate, and triacetyl cellulose are included. It is preferable to use a thermoplastic resin film as a material.
- the hard coat layer in the present invention contains an electron beam curable resin which is a binder resin, and a leveling agent.
- the electron beam curable resin used for the hard coat layer has three or more (meth) acryloyl groups in the molecule in order to stably secure the adhesion between the hard coat layer and the film substrate. It is preferable to include at least the polyfunctional (meth) acrylate resin having.
- the polyfunctional (meth) acrylate resin having three or more (meth) acryloyl groups used in the present invention is an electron beam or ultraviolet curable (meth) having three or more (meth) acryloyl groups in the molecule. ) It is made of acrylate resin.
- the number of (meth) acryloyl groups contained in the molecule is preferably 3-6, and more preferably 4-6. When more than six (meth) acryloyl groups are contained in the molecule, the curling of the hard coat layer becomes too large due to the curing shrinkage of the electron beam curable resin, and wrinkles and twists occur during roll winding. It becomes easy to handle and the handleability in a manufacturing process etc. falls. On the other hand, when the number of (meth) acryloyl groups contained in the molecule is less than 3, desired hard properties required for the hard coat layer cannot be obtained.
- polyfunctional (meth) acrylate resin having three or more (meth) acryloyl groups used in the present invention include neopentyl glycol di (meth) acrylate, 1,6-hexanediol di (meth) acrylate, Polyol poly (meth) such as trimethylolpropane tri (meth) acrylate, dipentaerythritol hexa (meth) acrylate, dipentaerythritol penta (meth) acrylate, pentaerythritol tetra (meth) acrylate, pentaerythritol tri (meth) acrylate An acrylate etc. can be mentioned.
- the above-mentioned trifunctional or more that is, a polyfunctional (meth) acrylate resin having three or more (meth) acryloyl groups and another electron beam curable resin may be used in combination as long as the desired effect is not inhibited. it can.
- An electron beam curable resin is a transparent resin that is polymerized and cured by irradiation with an electron beam or ultraviolet rays, for example, an acrylic monomer, a urethane acrylate resin, a polyester acrylate resin, and an epoxy acrylate resin. It can select suitably from oligomers, polymers, etc., such as.
- Preferable monomers include those composed of an ultraviolet curable polyfunctional acrylate having two or more (meth) acryloyl groups in the molecule.
- Specific examples of the UV-curable polyfunctional acrylate having two or more (meth) acryloyl groups in the molecule include neopentyl glycol di (meth) acrylate, 1,6-hexanediol di (meth) acrylate, and trimethylol.
- Polyol polyacrylates such as propane tri (meth) acrylate, ditrimethylolpropane tetra (meth) acrylate, pentaerythritol tetra (meth) acrylate, pentaerythritol tri (meth) acrylate, dipentaerythritol hexa (meth) acrylate, bisphenol A diglycidyl Epoxys such as diacrylate of ether, diacrylate of neopentyl glycol diglycidyl ether, di (meth) acrylate of 1,6-hexanediol diglycidyl ether ( A) Polyester (meth) acrylate, polyhydric alcohol, polyisocyanate and hydroxyl group-containing (meta) which can be obtained by esterifying acrylate, polyhydric alcohol and polyhydric carboxylic acid and / or anhydride and acrylic acid ) Urethane (meth) acrylate obtained by reacting acrylate,
- the blending amount of the polyfunctional (meth) acrylate resin having three or more (meth) acryloyl groups in the hard coat film in the present invention is 25 to 100 mass based on the total weight of the electron beam curable resin in the hard coat layer. %, More preferably 50 to 100% by mass, still more preferably 80 to 100% by mass.
- polyester-modified polydimethylsiloxane is a polysiloxane having an organic modification group and a repeating unit of a silicone skeleton, and the organic modification group is a polymer of dimethylsiloxane composed of a polyester chain.
- polyester-modified polydimethylsiloxane used in the present invention include commercially available BYK-310, BYK-315, BYK-370 (all are trade names manufactured by Big Chemie Japan Co., Ltd.). It is mentioned in.
- the above polyester-modified polydimethylsiloxane and other kinds of leveling agents can be used in combination as long as the desired effects are not impaired.
- Other types of leveling agents include acrylic leveling agents, silicone leveling agents, and fluorine leveling agents.
- acrylic leveling agent examples include acrylic copolymers BYK-350, BYK-352, BYK-354, BYK-355, BYK-381, and the like, or methacrylic copolymers BYK-390 (and above). Big Chemie Japan Co., Ltd., all of which are trade names).
- silicone leveling agent examples include polyoxyalkylene and polydimethylsiloxane copolymers
- fluorine leveling agent include polyoxyalkylene and fluorocarbon copolymers. .
- the compounding amount of the polyester-modified polydimethylsiloxane in the hard coat layer of the present invention is preferably in the range of 0.1 wt% to 3.0 wt% with respect to the electron beam curable resin of the hard coat layer.
- the blending amount of the polyester-modified polydimethylsiloxane is less than 0.1% by weight, since the absolute amount of the leveling agent is small, it is difficult to obtain the effect of the present invention uniformly. Since the blending ratio of the uncured substance is too large, the hard property of the hard coat layer may be lowered.
- the value defined by the total thickness (% by weight) of the leveling agent containing the hard coat layer thickness ( ⁇ m) ⁇ polyester-modified polydimethylsiloxane is 0.1 to 60.0 ( ⁇ m ⁇ % By weight), preferably 0.2 to 40.0 ( ⁇ m ⁇ weight%), more preferably 1.0 to 20.0 ( ⁇ m ⁇ weight%).
- the hard coat film of the present invention contains, for example, a polyfunctional (meth) acrylate resin having three or more (meth) acryloyl groups as the electron beam curable resin of the hard coat layer, and the hard coat layer.
- a polyfunctional (meth) acrylate resin having three or more (meth) acryloyl groups as the electron beam curable resin of the hard coat layer, and the hard coat layer.
- polyester-modified polydimethylsiloxane is contained.
- the hard coat film of the present invention maintains high adhesiveness with an acrylic pressure-sensitive adhesive while obtaining a high leveling adjustment effect due to the effect of the polyester-modified polydimethylsiloxane contained therein, and in the same manner as a normal leveling agent. It has the property that the adhesiveness of the natural rubber-based pressure-sensitive adhesive decreases in proportion to the amount of the compound.
- the high adhesiveness to the acrylic pressure-sensitive adhesive due to the inclusion of the polyester-modified polydimethylsiloxane and the excellent peelability of the natural rubber-based pressure-sensitive adhesive include three or more (meth) acryloyl groups.
- the polyester-modified polydimethylsiloxane can be used in combination with another type of leveling agent.
- a polyester-modified polydimethylsiloxane is used as the leveling agent contained in the hard coat layer. It is important to use (use together) two types of monomers or polymers containing dimethylsiloxane and fluorine groups. Since the polyester-modified polydimethylsiloxane is as described above, the description thereof is omitted here.
- the monomer or polymer containing a fluorine group has a polymer unit having 20 or less carbon atoms in which at least one hydrogen atom of an alkyl group such as a perfluoroalkyl group is substituted with a fluorine atom in the molecule.
- Monomer or polymer Monomer or polymer.
- Examples of the monomer or polymer having a fluorine group such as a perfluoroalkyl group in the molecule used in the present invention include commercially available Megafac RS-75, Megafac F570, Megafac F-510 (above, DIC Corporation).
- the product name is a specific example.
- leveling agents can be used in combination with the above-mentioned polyester-modified polydimethylsiloxane and the monomer or polymer containing a fluorine group within a range not inhibiting the desired effect.
- leveling agents include acrylic leveling agents and silicone leveling agents.
- acrylic leveling agent examples include BYK-350, BYK-352, BYK-354, BYK-355, BYK-381 which are commercially available acrylic copolymers, or BYK which is a methacrylic copolymer. -390 (above, manufactured by Big Chemie Japan Co., Ltd., all trade names).
- silicone leveling agent examples include a copolymer of polyoxyalkylene and polydimethylsiloxane.
- the total amount of the leveling agent comprising the polyester-modified polydimethylsiloxane and the fluorine-containing monomer or polymer in the hard coat layer of the present invention is 0.1% by weight to 3% based on the total solid content in the hard coat layer. It is preferably in the range of 0.0% by weight. If the total amount of the leveling agent is less than 0.1% by weight, the absolute amount of the leveling agent is small, so that the effect of the present invention is difficult to be obtained uniformly. Since the blending ratio of the curable substance is too large, the hard property of the hard coat layer may be reduced.
- the value defined by the film thickness of the hard coat layer ( ⁇ m) ⁇ the total amount of leveling agent (% by weight) is in the range of 0.1 to 60.0 ( ⁇ m ⁇ % by weight). It is preferably 0.2 to 40.0 ( ⁇ m ⁇ weight%), more preferably 1.0 to 20.0.
- Leveling that appears on the surface of the hard coat layer when the value defined by the film thickness ( ⁇ m) of the hard coat layer ⁇ the total amount (% by weight) of the leveling agent is less than 0.1 ( ⁇ m ⁇ % by weight) Since the amount of the agent is small, it is difficult to obtain a sufficient leveling adjustment effect.
- the monomer or polymer containing a fluorine group is less than 5% by weight, it is difficult to adjust the adhesiveness of the natural rubber-based pressure-sensitive adhesive, and it is preferable for the treatment to provide adhesiveness or peelability such as a protective film on the hard coat surface. Absent.
- the blending ratio of the other types of leveling agents is 20% by weight or less. It is desirable to do.
- the hard coat film of the second invention is obtained with the acrylic pressure-sensitive adhesive while obtaining a high leveling adjusting action by a monomer or polymer containing a fluorine group due to the effect of the polyester-modified polydimethylsiloxane contained in the hard coat layer. It can have high adhesion.
- the natural rubber-based pressure-sensitive adhesive has the property that the adhesiveness decreases in proportion to the amount of the polyester-modified polydimethylsiloxane contained in the hard coat layer and the monomer or polymer containing a fluorine group. Even when a protective film or the like is used on the surface of the hard coat layer of the hard coat film, a protective film or the like using a natural rubber-based adhesive is excellent in releasability and can have good workability.
- the thickness of the hard coat layer is not particularly limited, but is preferably 1 ⁇ m to 20 ⁇ m, more preferably 1 ⁇ m to 15 ⁇ m, and still more preferably 1 ⁇ m to 10 ⁇ m.
- the thickness of the hard coat layer exceeds 20 ⁇ m, the curl of the hard coat film becomes too large due to the curing shrinkage of the electron beam curable resin, and the handleability deteriorates.
- the thickness of a hard-coat layer is less than 1 micrometer, a hard-coat layer does not have sufficient hard property and there exists a possibility that the function of a hard-coat film may not be satisfy
- the coating liquid for forming the hard coat layer may include a photopolymerization initiator, an antifoaming agent, a lubricant, an ultraviolet absorber, a light stabilizer, and a polymerization as necessary. Inhibitors, wetting and dispersing agents, rheology control agents, antioxidants, antifouling agents, antistatic agents, conductive agents and the like are blended.
- any known coating method can be used to apply the hard coat layer forming coating liquid onto the film substrate.
- the reverse coating method, the gravure coating method, the bar coating method, the die coating method, the spray coating method, the kiss coating method, the wire bar coating method, the curtain coating method, etc. may be mentioned, and these methods may be used alone or in combination. Good.
- the electron beam for curing the hard coat layer applied on the film substrate, the irradiation conditions of ultraviolet rays, etc. may be appropriately adjusted according to the electron beam hard resin used and other various chemicals to be added.
- the hard coat film of the present invention has excellent adhesion to the base material of the hard coat layer and hard properties, and has a good coated surface without optical unevenness, and the hard coat layer and the liquid crystal display member While having high adhesiveness with the acrylic pressure-sensitive adhesive used in the joining with a natural rubber pressure-sensitive adhesive, it is excellent in the peelability of the natural rubber pressure-sensitive adhesive.
- the effect obtained by the hard coat film of the present invention is particularly suitable as a flat panel member such as a liquid crystal display having a high required quality of optical performance and surface property, and by using the hard coat film of the present invention, good effects are obtained.
- An optical film for a display device having the characteristics can be provided.
- Electron beam curable resin mainly composed of 3 (meth) acryloyl group-containing pentaerythritol triacrylate (trade name: Light acrylate PE-3A, Kyoeisha Chemical Co., Ltd.
- a coating solution for a hard coat layer was prepared, applied to an 80 ⁇ m-thick triacetyl cellulose (TAC) film using a Meyer bar, dried at 80 ° C. for 1 minute to volatilize the solvent, and an integrated light quantity of 300 mJ / Curing by an ultraviolet irradiation treatment of cm 2 was performed to prepare hard coat films of Examples 1 to 15 and Comparative Examples 1 to 17.
- TAC triacetyl cellulose
- the coating thickness (described in Tables 1 and 2) of the hard coat layer was adjusted by appropriately selecting the diameter (count) of the Mayer bar.
- the leveling agents listed in Tables 1 and 2 are trade names: BYK-branch numbers are both manufactured by Big Chemie Japan Co., Ltd., and trade names: MegaFac RS-75 is manufactured by DIC Corporation. It is made.
- Example 16 to 20 The same ratio except that the resin component of the coating liquid was changed to 95 parts by weight of dipentaerythritol hexaacrylate having 6 (meth) acryloyl groups (trade name: Light acrylate DPE-6A, manufactured by Kyoeisha Chemical Co., Ltd.) A hard coating film of Examples 16 to 20 having the leveling agent and coating thickness shown in Table 1 was prepared in the same manner.
- Comparative Examples 18 to 20 The same ratio except that the resin component of the coating liquid was changed to 95 parts by weight of neopentyl glycol diacrylate having two (meth) acryloyl groups (trade name: Light acrylate NP-A, manufactured by Kyoeisha Chemical Co., Ltd.) A hard coating film of Comparative Examples 18 to 20 having the leveling agent and coating thickness shown in Table 2 was prepared in the same manner.
- 31B (Nitto Denko Corporation, 25 mm width)
- the evaluation criteria are as follows. ⁇ : No31B tape adhesion 5N / 25mm or more ⁇ : No31B tape adhesion 4N / 25mm or more to less than 5N / 25mm ⁇ : No31B tape adhesion 3N / 25mm to 4N / 25mm ⁇ : No31B tape adhesion Less than 3N / 25mm ⁇
- Natural rubber adhesive tape Sekisero Tape No. 252 (Sekisui Chemical Co., Ltd., 24mm width)
- the evaluation criteria are as follows. A: No. 252 tape adhesion is less than 4 N / 24 mm.
- 252 tape adhesion is 4 N / 24 mm or more to less than 5 N / 24 mm.
- 252 tape adhesion is 5 N / 24 mm or more to less than 6 N / 24 mm.
- 252 tape adhesion is 6N / 24mm or more
- Adhesion test was performed according to JIS-K5600-5-6. Make 100 squares on the hard coat layer with a cutter, perform a peel test with a natural rubber adhesive tape (Sekisero tape No. 252) by the cross-cut method, and adhere to the remaining ratio of the hard coat layer at 100 squares as follows. It evaluated as follows. A: 100% adhesion by the cross-cut method ⁇ : 99% adhesion by cross-cut method ⁇ : Adhesion by the cross-cut method is 95% or more and less than 99% ⁇ : Adhesion by the cross-cut method is less than 95%
- Optical unevenness Each hard coat film was cut into an area of 10 cm ⁇ 15 cm to prepare a sample film. A black glossy tape is attached to the opposite surface of the sample film to the hard coat layer, the hard coat surface is the upper surface, and a three-wavelength daylight white fluorescent lamp (National Palook, F.L15EX-N15W) is used as a light source. The reflected light was visually observed from above. ⁇ : Interference unevenness is not observed. ⁇ : Interference unevenness is weakly observed. X: Interference unevenness is strongly observed.
- the electron beam curable resin of the hard coat layer a polyfunctional (meth) acrylate resin having three or more (meth) acryloyl groups is contained, and as the leveling agent of the hard coat layer, polyester
- the hard coat film according to the embodiment of the present invention containing the modified polydimethylsiloxane, adhesion, heat durability, wet heat durability, acrylic adhesive tape adhesiveness, natural rubber adhesive tape adhesiveness (peelability), optical unevenness Good results were obtained in all the characteristics of the hard property. That is, according to the present invention, the hard coat layer has excellent adhesion to the substrate and hard properties, has a good coated surface without optical unevenness, and is used in joining the hard coat layer and the liquid crystal display member, etc. A hard coat film having excellent adhesion to the acrylic pressure-sensitive adhesive and having excellent peelability of the natural rubber-based pressure-sensitive adhesive is obtained.
- Example 14 in which the blending amount of the polyester-modified polydimethylsiloxane of the present invention is larger than the preferred range, the hard property slightly decreased.
- Example 15 in which the blending amount of the polyester-modified polydimethylsiloxane of the present invention is less than the preferred range, adhesion, heat durability, wet heat durability, natural rubber adhesive tape adhesiveness (peelability), optical unevenness, etc. Lack of characteristics.
- the electron beam curable resin of the hard coat layer contains a polyfunctional (meth) acrylate resin having three or more (meth) acryloyl groups, but as a leveling agent
- the acrylic adhesive tape adhesiveness was good, but other characteristics were not obtained.
- a leveling agent of a different type from the present invention is added (Comparative Examples 3 to 14), any of the above characteristics is insufficient, and two types of leveling agents different from the present invention are used in combination.
- any one of the above properties was still insufficient, and particularly the adhesive property of the acrylic adhesive tape was inferior.
- the functional group contains a (meth) acrylate resin having two (meth) acryloyl groups as the electron beam curable resin of the hard coat layer
- the polyester-modified polydimethylsiloxane of the present invention is added as a leveling agent.
- the effects of the present invention were not obtained, and in particular, the properties such as adhesion, heat durability, wet heat durability, and hard properties were inferior.
- the excellent effect of the present invention described above is that the polyfunctional (meth) acrylate resin having three or more (meth) acryloyl groups is contained as a hard coat layer electron beam curable resin and hard It can be seen that the coating layer can be obtained only by containing a polyester-modified polydimethylsiloxane as a leveling agent.
- Ethyl acetate / butyl acetate 50/50 parts by weight, 95 parts by weight of an electron beam curable resin (trade name: Light acrylate PE-3A, manufactured by Kyoeisha Chemical Co., Ltd.) containing pentaerythritol triacrylate as a main component, photopolymerization
- a coating solution is prepared by blending a leveling agent in an amount shown in Table 3 or Table 4 (described later) in 5 parts by weight of an initiator (trade name: Irgacure 184, manufactured by Ciba Japan Co., Ltd.), and 80 ⁇ m.
- Example 21 After coating a thick triacetyl cellulose (TAC) film using a Meyer bar, drying at 80 ° C. for 1 minute to volatilize the solvent, and curing by ultraviolet irradiation treatment with an integrated light quantity of 300 mJ / cm 2 To 31 and Comparative Examples 21 to 25 were produced.
- the leveling agents listed in Table 3 and Table 4 are trade names: BYK-branch numbers, both manufactured by Big Chemie Japan Co., Ltd. ) Made by company.
- Acrylic adhesive tape Polyester base adhesive tape for electrical insulation No. 31B (Nitto Denko, 25mm width)
- the evaluation criteria are as follows. A: No. 31B tape adhesion is 5 N / 25 mm or more. 31B tape adhesion is 4 N / 25 mm or more to less than 5 N / 25 mm. 31B tape adhesion is 3 N / 25 mm or more to less than 4 N / 25 mm. Adhesiveness of 31B tape is less than 3N / 25mm ⁇
- Natural rubber adhesive tape Sekisero Tape No. 252 (Sekisui Chemical Co., Ltd., 24mm width)
- the evaluation criteria are as follows. A: No. 252 tape adhesion is less than 4 N / 24 mm.
- 252 tape adhesion is 4 N / 24 mm or more to less than 5 N / 24 mm.
- 252 tape adhesion is 5 N / 24 mm or more to less than 6 N / 24 mm.
- 252 tape adhesion is 6N / 24mm or more
- Adhesion test was performed according to JIS-K5600-5-6. Make 100 squares on the hard coat layer with a cutter, perform a peel test with a natural rubber adhesive tape (Sekisero tape No. 252) by the cross-cut method, and adhere to the remaining ratio of the hard coat layer at 100 squares as follows. It evaluated as follows. The evaluation criteria are as follows. A: 100% adhesion by the cross-cut method ⁇ : 99% adhesion by cross-cut method ⁇ : Adhesion by the cross-cut method is 95% or more and less than 99% ⁇ : Adhesion by the cross-cut method is less than 95%
- the polyester-modified polydimethylsiloxane and the monomer or polymer containing a fluorine group are used in combination as the leveling agent contained in the hard coat layer.
- good properties can be obtained in all of the adhesiveness of the hard coat layer, the adhesiveness of the acrylic adhesive tape, the adhesiveness (peelability) of the natural rubber adhesive tape, the optical unevenness, and the hardness.
- the hard coat layer has excellent adhesion to the base material and hard property, and has a good coated surface without optical unevenness, and the hard coat layer and the liquid crystal While having high adhesiveness with the acrylic pressure-sensitive adhesive used in bonding with a display member or the like, a hard coat film having excellent peelability of the natural rubber pressure-sensitive adhesive can be obtained.
- Comparative Example 24 in which two types of polyether-modified polydimethylsiloxane and a fluorine-containing UV-reactive oligomer are used in combination, and as a leveling agent, an acrylic copolymer and a UV-reactive oligomer containing a fluorine group are used. Also in Comparative Example 25 in which these two types were used in combination, the adhesiveness of the acrylic pressure-sensitive adhesive tape was not obtained.
- the hard coat layer has good characteristics in all of the adhesiveness of the hard coat layer, the adhesiveness of the acrylic adhesive tape, the adhesiveness (peelability) of the natural rubber adhesive tape, the optical unevenness, and the hard property. I can't get a film.
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Abstract
Description
(第1の発明)
フィルム基材上に、電子線硬化型樹脂、及びレベリング剤を含有するハードコート層を形成させたハードコートフィルムであって、前記レベリング剤が、ポリエステル変性ポリジメチルシロキサンを含有することを特徴とするハードコートフィルム。
フィルム基材上に、電子線硬化型樹脂、及びレベリング剤を含有するハードコート層を形成させたハードコートフィルムであって、前記レベリング剤として、ポリエステル変性ポリジメチルシロキサン、及びフッ素基を含有するモノマー又はポリマーを含有することを特徴とするハードコートフィルム。
第1又は第2の発明において、前記電子線硬化型樹脂が、3個以上の(メタ)アクリロイル基を有する多官能(メタ)アクリレート樹脂を含有することを特徴とするハードコートフィルム。
(第4の発明)
第1又は第3の発明において、前記ポリエステル変性ポリジメチルシロキサンの配合量は、前記ハードコート層の電子線硬化型樹脂に対して、0.1重量%~3.0重量%の範囲であることを特徴とするハードコートフィルム。
第2又は第3の発明において、前記ハードコート層に含有される前記ポリエステル変性ポリジメチルシロキサン、及びフッ素基を含有するモノマー又はポリマーを含むレベリング剤の総配合量は、前記電子線硬化型樹脂の配合量に対し0.1重量%~3.0重量%の範囲であることを特徴とするハードコートフィルム。
(第6の発明)
第5の発明において、前記ハードコート層に含有される前記レベリング剤であって、ポリエステル変性ポリジメチルシロキサン、及びフッ素基を含有するモノマー又はポリマーの配合比率が、ポリエステル変性ポリジメチルシロキサン:フッ素基を含有するモノマー又はポリマー=50重量%~95重量%:50重量%~5重量%の範囲であることを特徴とするハードコートフィルム。
第1乃至第6のいずれかの発明において、前記ハードコート層の膜厚が、1~20μmの範囲であることを特徴とするハードコートフィルム。
(第8の発明)
第1乃至第7のいずれかの発明において、前記ハードコート層の膜厚(μm)×前記レベリング剤の総配合量(重量%)で定義される値が、0.1~60.0(μm・重量%)の範囲であることを特徴とするハードコートフィルム。
第1乃至第8のいずれかの発明のハードコートフィルムを用いたことを特徴とするディスプレイ装置用光学フィルム。
また、本発明のハードコートフィルムを用いることにより、良好な特性を備えたディスプレイ装置用光学フィルムを提供することができる。
本発明に係るハードコートフィルムの一態様は、上記の第1の発明にあるとおり、フィルム基材上に、電子線硬化型樹脂、及びレベリング剤を含有するハードコート層を形成させたハードコートフィルムであって、前記レベリング剤が、ポリエステル変性ポリジメチルシロキサンを含有することを特徴とするものである。
また、本発明に係るハードコートフィルムの他の態様は、上記第2の発明にあるとおり、フィルム基材上に、電子線硬化型樹脂、及びレベリング剤を含有するハードコート層を形成させたハードコートフィルムであって、前記レベリング剤として、ポリエステル変性ポリジメチルシロキサン、及びフッ素基を含有するモノマー又はポリマーを含有することを特徴とするものである。
また、上記第1又は第2の発明において、前記電子線硬化型樹脂が、3個以上の(メタ)アクリロイル基を有する多官能(メタ)アクリレート樹脂を含有するものである。
以下、詳しく説明する。
本発明において使用されるフィルム基材は、特に限定されるものではなく、例えば、トリアセチルセルロース、ポリエチレンテレフタレート、シクロオレフィンポリマー、ポリカーボネート、ポリエチレンナフタレート、ポリエチレン、ポリトリメチレンテレフタレート、ポリプロピレン、ポリブチレンテレフタレート、ポリブチレンナフタレート、ポリスチレン、ポリメチルメタクリレート、ポリスチレングリシジルメタクリレート及びこれらの混合物を例示することができるが、耐熱性、入手性、経済性の点からポリエチレンテレフタレート、ポリエチレンナフタレート、トリアセチルセルロースを構成材料とする熱可塑性樹脂フィルムを用いることが好ましい。
本発明におけるハードコート層には、バインダー樹脂である電子線硬化型樹脂、及びレベリング剤を含有する。
本発明において上記ハードコート層に用いられる電子線硬化型樹脂は、ハードコート層とフィルム基材との密着性を安定的に確保するために、分子内に3個以上の(メタ)アクリロイル基を有する多官能(メタ)アクリレート樹脂を少なくとも含むことが好ましい。
本発明において、ポリエステル変性ポリジメチルシロキサンとは、有機変性基及びシリコーン骨格の繰り返しユニットを有するポリシロキサンであって、該有機変性基がポリエステル鎖で構成されるジメチルシロキサンの重合体のことをいう。
また、上記シリコーン系レベリング剤としては、ポリオキシアルキレンとポリジメチルシロキサンの共重合体などが挙げられ、上記フッ素系レベリング剤としては、ポリオキシアルキレンとフルオロカーボンとの共重合体等を挙げることができる。
本発明のハードコートフィルムは、含有されるポリエステル変性ポリジメチルシロキサンの効果により、高いレベリング調整作用を得つつも、アクリル系粘着剤との高い接着性を維持し、かつ通常のレベリング剤と同様に配合量に比例して天然ゴム系粘着剤の接着性が低下する性質を有する。
本発明によればポリエステル変性ポリジメチルシロキサンが含有されることによるアクリル系粘着剤との高い接着性及び天然ゴム系粘着剤の優れた剥離性は、3個以上の(メタ)アクリロイル基を有する多官能(メタ)アクリレート樹脂と併存することにより、その構造体がハードコート層の3次元的な架橋構造内に取り込まれ、その効果を維持し易くなるものと推測される。そのため加熱及び湿熱耐久性において、常温常湿状態と同様な良好な密着性を維持するものと推測される。
上記ポリエステル変性ポリジメチルシロキサンについてはすでに説明したとおりであるので、ここでは説明を省略する。
また、上記シリコーン系レベリング剤としては、たとえばポリオキシアルキレンとポリジメチルシロキサンの共重合体などを挙げることができる。
なお、上記のポリエステル変性ポリジメチルシロキサン、及びフッ素基を含有するモノマー又はポリマーに、さらに他の種類のレベリング剤を併用する場合は、他の種類のレベリング剤の配合比率は、20重量%以下とすることが望ましい。
ハードコート層の厚みが20μmを超える場合、電子線硬化型樹脂の硬化収縮によりハードコートフィルムのカールが大きくなりすぎてしまい、取り扱い性が低下する。またハードコート層の厚みが1μm未満である場合、ハードコート層は十分なハード性を有さず、ハードコートフィルムの機能を満たさない恐れがある。
また、本発明のハードコートフィルムにより得られる効果は、特に光学性能と表面性の要求品質の高い液晶ディスプレイなどのフラットパネル部材として適しており、本発明のハードコートフィルムを用いることにより、良好な特性を備えたディスプレイ装置用光学フィルムを提供することができる。
[実施例1~15、比較例1~17]
酢酸エチル/酢酸ブチル=50/50重量部、3個の(メタ)アクリロイル基を有するペンタエリスリトールトリアクリレートを主成分とする電子線硬化型樹脂(商品名:ライトアクリレートPE-3A、共栄社化学(株)社製)95重量部、光重合開始剤(商品名:イルガキュアー184、チバ・ジャパン(株)社製)5重量部に、表1又は表2(後記)に記載の配合量でレベリング剤を配合したハードコート層用塗液を作製し、80μm厚さのトリアセチルセルロース(TAC)フィルムにマイヤーバーを用いて塗工し、80℃で1分間乾燥させ溶剤を揮発後、積算光量300mJ/cm2の紫外線照射処理による硬化を行い、実施例1~15および比較例1~17のハードコートフィルムを作製した。ハードコート層の塗工厚み(表1及び表2記載)は、マイヤーバーの直径(番手)を適宜選択することによって調整した。
なお、表1及び表2に記載のレベリング剤は、商品名:BYK-枝番号は、いずれもビッグ・ケミー・ジャパン(株)製、商品名:メガファックRS-75は、DIC(株)社製である。
上記塗液の樹脂成分を6個の(メタ)アクリロイル基を有するジペンタエリスリトールヘキサアクリレート(商品名:ライトアクリレートDPE-6A、共栄社化学(株)社製)95重量部に変更した以外、同比率に調正した塗液を作製し、同様の方法にて表1に記載のレベリング剤及び塗工厚みを有する実施例16~20のハードコートフィルムを作製した。
上記塗液の樹脂成分を2個の(メタ)アクリロイル基を有するネオペンチルグリコールジアクリレート(商品名:ライトアクリレートNP-A、共栄社化学(株)社製)95重量部に変更した以外、同比率に調正した塗液を作製し、同様の方法にて表2に記載のレベリング剤及び塗工厚みを有する比較例18~20のハードコートフィルムを作製した。
[評価項目]
(1)テープ接着性試験
JIS-K6849に準拠して行った。測定用サンプルは、30mm×250mmサイズに切り出し、ハードコート面と反対面に支持体となるガラス板と貼り合わせた。ハードコート面に下記の粘着テープを各々貼り合わせ、ストログラフ引張試験機VS05D(東洋試験機製)を用い剥離角度180°、剥離速度300mm/分の条件にて測定を実施した。
・アクリル系粘着テープ:電気絶縁用ポリエステル基材粘着テープNo.31B(日東電工株式会社製、25mm幅)
評価基準は以下のとおりである。
◎:No31Bテープ接着性が5N/25mm以上
○:No31Bテープ接着性が4N/25mm以上~5N/25mm未満
△:No31Bテープ接着性が3N/25mm以上~4N/25mm未満
×:No31Bテープ接着性が3N/25mm未満
・天然ゴム系粘着テープ:セキスイセロテープNo.252(積水化学工業社製、24mm幅)
評価基準は以下のとおりである。
◎:No.252テープ接着性が4N/24mm未満
○:No.252テープ接着性が4N/24mm以上~5N/24mm未満
△:No.252テープ接着性が5N/24mm以上~6N/24mm未満
×:No.252テープ接着性が6N/24mm以上
JIS-K5600-5-6に準拠して行った。
ハードコート層にカッターで100マスを作り、天然ゴム系粘着テープ(セキスイセロテープNo.252)での剥離試験をクロスカット法で実施し、密着性を100マスでのハードコート層の残存率で下記の通り評価した。
◎:クロスカット法での密着性が100%
○:クロスカット法での密着性が99%
△:クロスカット法での密着性が95%以上~99%未満
×:クロスカット法での密着性が95%未満
各ハードコートフィルムを送風恒温槽(ヤマト科学製)温度90℃条件にて、24時間処理を行った。得られたサンプルを前記記載の密着性試験にて評価を実施した。
(4)湿熱耐久性
上記加熱耐久性と同様な方法で、恒温恒湿器(エスペック製)温度65℃/湿度95%条件で24時間処理を行い、得られたサンプルを前記記載の密着性試験にて評価を実施した。
各ハードコートフィルムを、10cm×15cmの面積に切り出し、試料フィルムを作製した。この試料フィルムのハードコート層とは反対面に、黒色光沢テープを貼り合わせ、ハードコート面を上面にして、3波長形昼白色蛍光灯(ナショナルパルック、F.L15EX-N15W)を光源として、斜め上方より反射光を目視で観察した。
○:干渉ムラが観察されない。
△:干渉ムラが弱く観察される。
×:干渉ムラが強く観察される。
#0000のスチールウールにより、各ハードコートフィルムの表面を4.9N/φ25mmの荷重をかけながら10回摩擦し、傷の発生の有無および傷の程度を目視により観察した。評価基準は下記の通りであり、◎と○を良好とした。
◎:傷の発生なし。○:5本以下の傷が発生する。△:傷が6~10本発生する。×:傷が無数に発生する。
また、本発明のポリエステル変性ポリジメチルシロキサンの配合量が好ましい範囲よりも多い実施例14では、ハード性が若干低下した。一方、本発明のポリエステル変性ポリジメチルシロキサンの配合量が好ましい範囲よりも少ない実施例15では、密着性、加熱耐久性、湿熱耐久性、天然ゴム系粘着テープ接着性(剥離性)、光学ムラなどの特性が不足した。
酢酸エチル/酢酸ブチル=50/50重量部、ペンタエリスリトールトリアクリレートを主成分とする電子線硬化型樹脂(商品名:ライトアクリレートPE-3A、共栄社化学(株)社製)95重量部、光重合開始剤(商品名:イルガキュアー184、チバ・ジャパン(株)社製)5重量部に、表3又は表4(後記)に記載の配合量でレベリング剤を配合した塗液を作製し、80μm厚さのトリアセチルセルロース(TAC)フィルムにマイヤーバーを用いて塗工し、80℃で1分間乾燥させ溶剤を揮発後、積算光量300mJ/cm2の紫外線照射処理による硬化を行い、実施例21~31および比較例21~25のハードコートフィルムを作製した。
なお、表3及び表4に記載のレベリング剤は、商品名:BYK-枝番号は、いずれもビッグ・ケミー・ジャパン(株)製、商品名:メガファック-枝番号は、いずれもDIC(株)社製である。
(1)テープ接着性試験
JIS-K6849に準拠して行った。測定用サンプルは、30mm×250mmサイズに切り出し、ハードコート面と反対面に支持体となるガラス板と貼り合わせた。ハードコート面に下記の粘着テープを各々貼り合わせ、ストログラフ引張試験機VS05D(東洋試験機製)を用い剥離角度180°、剥離速度300mm/分の条件にて測定を実施した。
評価基準は以下のとおりである。
◎:No.31Bテープ接着性が5N/25mm以上
○:No.31Bテープ接着性が4N/25mm以上~5N/25mm未満
△:No.31Bテープ接着性が3N/25mm以上~4N/25mm未満
×:No.31Bテープ接着性が3N/25mm未満
・天然ゴム系粘着テープ:セキスイセロテープNo.252(積水化学工業社製、24mm幅)
評価基準は以下のとおりである。
◎:No.252テープ接着性が4N/24mm未満
○:No.252テープ接着性が4N/24mm以上~5N/24mm未満
△:No.252テープ接着性が5N/24mm以上~6N/24mm未満
×:No.252テープ接着性が6N/24mm以上~
JIS-K5600-5-6に準拠して行った。
ハードコート層にカッターで100マスを作り、天然ゴム系粘着テープ(セキスイセロテープNo.252)での剥離試験をクロスカット法で実施し、密着性を100マスでのハードコート層の残存率で下記の通り評価した。
評価基準は以下のとおりである。
◎:クロスカット法での密着性が100%
○:クロスカット法での密着性が99%
△:クロスカット法での密着性が95%以上~99%未満
×:クロスカット法での密着性が95%未満
作製した各ハードコートフィルムを、10cm×15cmの面積に切り出し、試料フィルムを作製した。この試料フィルムのハードコート層とは反対面に、黒色光沢テープを貼り合わせ、ハードコート面を上面にして、3波長形昼白色蛍光灯(ナショナルパルック、F.L15EX-N15W)を光源として、斜め上方より反射光を目視で観察した。
評価基準は以下のとおりである。
◎:干渉ムラが全く観察されない。
○:干渉ムラがほとんど観察されない。
●:干渉ムラが若干観察される。
△:干渉ムラが弱く観察される。
×:干渉ムラが強く観察される。
#0000のスチールウールにより、ハードコートフィルムの表面を4.9N/φ25mmの荷重をかけながら10回摩擦し、傷の発生の有無および傷の程度を目視により観察した。評価基準は下記の通りであり、●以上を良好とした。
◎:傷の発生なし。○:4本以下の傷が発生する。●:5~6本の傷が観察される。△:傷が6~10本発生する。×:傷が無数に発生する。
Claims (9)
- フィルム基材上に、電子線硬化型樹脂、及びレベリング剤を含有するハードコート層を形成させたハードコートフィルムであって、
前記レベリング剤が、ポリエステル変性ポリジメチルシロキサンを含有することを特徴とするハードコートフィルム。 - フィルム基材上に、電子線硬化型樹脂、及びレベリング剤を含有するハードコート層を形成させたハードコートフィルムであって、
前記レベリング剤として、ポリエステル変性ポリジメチルシロキサン、及びフッ素基を含有するモノマー又はポリマーを含有することを特徴とするハードコートフィルム。 - 前記電子線硬化型樹脂が、3個以上の(メタ)アクリロイル基を有する多官能(メタ)アクリレート樹脂を含有することを特徴とする請求項1又は2に記載のハードコートフィルム。
- 前記ポリエステル変性ポリジメチルシロキサンの配合量は、前記ハードコート層の電子線硬化型樹脂に対して、0.1重量%~3.0重量%の範囲であることを特徴とする請求項1又は3に記載のハードコートフィルム。
- 前記ハードコート層に含有される前記ポリエステル変性ポリジメチルシロキサン、及びフッ素基を含有するモノマー又はポリマーを含むレベリング剤の総配合量は、前記電子線硬化型樹脂の配合量に対し0.1重量%~3.0重量%の範囲であることを特徴とする請求項2又は3に記載のハードコートフィルム。
- 前記ハードコート層に含有される前記レベリング剤であって、ポリエステル変性ポリジメチルシロキサン、及びフッ素基を含有するモノマー又はポリマーの配合比率が、ポリエステル変性ポリジメチルシロキサン:フッ素基を含有するモノマー又はポリマー=50重量%~95重量%:50重量%~5重量%の範囲であることを特徴とする請求項5に記載のハードコートフィルム。
- 前記ハードコート層の膜厚が、1~20μmの範囲であることを特徴とする請求項1乃至6のいずれかに記載のハードコートフィルム。
- 前記ハードコート層の膜厚(μm)×前記レベリング剤の総配合量(重量%)で定義される値が、0.1~60.0(μm・重量%)の範囲であることを特徴とする請求項1乃至7のいずれかに記載のハードコートフィルム。
- 請求項1乃至8のいずれかに記載のハードコートフィルムを用いたことを特徴とするディスプレイ装置用光学フィルム。
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CN201580062397.XA CN107206772A (zh) | 2014-09-27 | 2015-09-27 | 硬涂膜和显示装置用光学膜 |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0752176A (ja) * | 1993-07-23 | 1995-02-28 | Saint Gobain Vitrage | 複層フィルムの製造方法 |
JP2004115599A (ja) * | 2002-09-25 | 2004-04-15 | Nippon Paper Industries Co Ltd | 塗料組成物及び防眩フィルム |
JP2005288787A (ja) * | 2004-03-31 | 2005-10-20 | Nippon Paper Industries Co Ltd | ハードコートフィルム及びその製造方法 |
JP2008233893A (ja) * | 2007-02-21 | 2008-10-02 | Ricoh Co Ltd | 電子写真感光体とこれを搭載する電子写真用プロセスカートリッジ及び画像形成装置 |
JP2009217107A (ja) * | 2008-03-12 | 2009-09-24 | Toray Ind Inc | ディスプレイ用フィルター及びその製造方法 |
JP2010048843A (ja) * | 2008-08-19 | 2010-03-04 | Toray Advanced Film Co Ltd | ディスプレイ用フィルター |
JP2014162889A (ja) * | 2013-02-27 | 2014-09-08 | Lintec Corp | コーティング組成物およびコーティングフィルム |
Family Cites Families (2)
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US20060134400A1 (en) * | 2004-12-17 | 2006-06-22 | Nitto Denko Corporation | Hard-coated film and method of manufacturing the same |
-
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Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0752176A (ja) * | 1993-07-23 | 1995-02-28 | Saint Gobain Vitrage | 複層フィルムの製造方法 |
JP2004115599A (ja) * | 2002-09-25 | 2004-04-15 | Nippon Paper Industries Co Ltd | 塗料組成物及び防眩フィルム |
JP2005288787A (ja) * | 2004-03-31 | 2005-10-20 | Nippon Paper Industries Co Ltd | ハードコートフィルム及びその製造方法 |
JP2008233893A (ja) * | 2007-02-21 | 2008-10-02 | Ricoh Co Ltd | 電子写真感光体とこれを搭載する電子写真用プロセスカートリッジ及び画像形成装置 |
JP2009217107A (ja) * | 2008-03-12 | 2009-09-24 | Toray Ind Inc | ディスプレイ用フィルター及びその製造方法 |
JP2010048843A (ja) * | 2008-08-19 | 2010-03-04 | Toray Advanced Film Co Ltd | ディスプレイ用フィルター |
JP2014162889A (ja) * | 2013-02-27 | 2014-09-08 | Lintec Corp | コーティング組成物およびコーティングフィルム |
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US20170298238A1 (en) | 2017-10-19 |
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