WO2011043361A1 - 転写フィルム、樹脂積層体及びそれらの製造方法 - Google Patents
転写フィルム、樹脂積層体及びそれらの製造方法 Download PDFInfo
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- WO2011043361A1 WO2011043361A1 PCT/JP2010/067516 JP2010067516W WO2011043361A1 WO 2011043361 A1 WO2011043361 A1 WO 2011043361A1 JP 2010067516 W JP2010067516 W JP 2010067516W WO 2011043361 A1 WO2011043361 A1 WO 2011043361A1
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- Prior art keywords
- film
- antifouling
- layer
- resin
- transfer film
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Classifications
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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
- B32B27/06—Layered 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
- B32B27/08—Layered 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
-
- 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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/02—Physical, chemical or physicochemical properties
- B32B7/023—Optical properties
-
- 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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/259—Silicic material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
- Y10T428/2848—Three or more layers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31547—Of polyisocyanurate
Definitions
- the present invention relates to a transfer film, a resin laminate, and a method for producing them.
- Transparent resins such as acrylic resin and polycarbonate resin are widely used as various materials such as industrial materials and building materials. Particularly in recent years, it has been used as a front plate for various displays such as CRT, liquid crystal television and plasma display from the viewpoint of transparency and impact resistance.
- the antireflection function is a function for reducing the reflected light of an indoor fluorescent lamp or the like reflected on the front plate and displaying the image more clearly.
- Examples of the method for imparting the antireflection function include a method of forming an antireflection layer on the surface of the front plate. Further, it is required that the surface of the antireflection layer is further provided with a stain prevention (antifouling) function having a water repellent function and an oil repellent function. This is because if the dirt is attached to the surface of the antireflection layer, the discoloration of the portion becomes conspicuous, leading to a decrease in the visibility of the image display member.
- a hard coat layer is provided on one surface of a plastic film.
- a film having excellent scratch resistance, antifouling properties, antireflection properties, etc. on the substrate surface, having (b) and a thin film coating layer (c) and having an adhesive layer (d) on the other side of the plastic film A method of pasting is known.
- the haze value is increased, the film is peeled at the time of cutting, the secondary workability is difficult, and the durability test (80 ° C.). There was a problem that bubbles were generated at the interface between the film and the substrate.
- Patent Document 2 discloses an antifouling layer and a functional layer used for laminating a functional layer on the surface of a material by a transfer method to give the functional layer.
- a functional layer transfer film which is provided in order on one surface of the material and has a larger proportion of fluorine in the antifouling layer distributed on the substrate side than the functional layer.
- Patent Document 2 proposes a method for producing a transfer film with an antifouling layer by a dry method such as a plasma CVD method.
- a dry method such as a plasma CVD method.
- Patent Document 3 discloses an antireflection coating in which a release layer, an antifouling functional layer, an antireflection layer, and an adhesive layer are sequentially laminated on one surface of a plastic film. Transfer films have been proposed. However, since the surface to be released of the release film (plastic film having a release layer) used for the transfer film has high surface tension, the antifouling of the laminate obtained by transferring onto the substrate is prevented. In terms of properties, the water repellency was excellent, but the oil repellency was insufficient.
- the object of the present invention is to use a film having a high surface tension, and can be laminated with a functional layer such as an antireflection layer, and has an antifouling layer formed by a wet method, and is excellent in water repellency and oil repellency.
- the present invention also provides a transfer film capable of providing a laminate excellent in transparency, scratch resistance and sweat resistance, and a method for producing the transfer film. Moreover, it is providing the resin laminated body excellent in water repellency and oil repellency, and excellent in transparency, scratch resistance, and sweat resistance, and its manufacturing method.
- the transfer film according to the present invention is a transfer film in which an antifouling cured film is laminated on the surface of a transparent substrate film, and the water contact angle of the surface of the antifouling cured film that is not in contact with the transparent substrate film (1) Is 100 degrees or less, the water contact angle (2) of the surface in contact with the transparent substrate film of the antifouling cured film is 90 degrees or more, and the contact angle ( ⁇ ) of triolein is 55 degrees or more.
- the transfer film according to the present invention is a transfer film in which an antifouling cured film is laminated on the surface of a transparent substrate film, and the surface of the antifouling cured film in contact with the transparent substrate film is measured by X-ray photoelectron spectroscopy.
- the composition ratio (N / F) of the nitrogen atom (N) and the fluorine atom (F) is 0.110 or less.
- the antifouling cured film is formed by curing an antifouling composition containing a monomer (A) containing a perfluoropolyether group and a nitrogen atom and inorganic fine particles.
- the surface of the inorganic fine particles is surface-treated with a hydrolyzable silane compound.
- the monomer (A) containing the perfluoropolyether group and the nitrogen atom is a compound represented by the following formula (1).
- the antifouling cured film contains a low refractive index component.
- an adhesive layer is laminated on the surface of the antifouling cured film that is not in contact with the transparent substrate film.
- the transfer film according to the present invention is a transfer film in which an antifouling cured film and a functional layer are sequentially laminated on the surface of a transparent substrate film, and the functional layer includes a low refractive index layer, a high refractive index layer, and a hard coat layer. And at least one layer selected from an antistatic layer.
- an adhesive layer is laminated on the surface of the functional layer that is not in contact with the antifouling cured film.
- the adhesive layer is a thermoplastic resin coating layer containing a thermoplastic resin or a curable coating layer containing an active energy ray curable composition.
- the method for producing a transfer film according to the present invention comprises a step of applying an antifouling composition to the surface of a transparent substrate film to form an antifouling film, and the antifouling film is cured to form an antifouling cured film. And a process.
- the transparent base film is made of an aromatic polyester compound.
- the method for producing a transfer film according to the present invention includes an antifouling film forming step of forming an antifouling film by applying an antifouling composition to the surface of a transparent substrate film, and an alcohol, an ester on the surface of the antifouling film.
- a liquid organic compound coating step of applying at least one liquid organic compound selected from ether, ketone, a volatilization step of volatilizing the applied liquid organic compound, and curing the antifouling film to form an antifouling cured film An antifouling cured film forming step.
- the method for producing a resin laminate according to the present invention includes a step of bonding an adhesive layer of the transfer film and a resin substrate, a step of peeling the transparent substrate film from the antifouling cured film, and obtaining a resin laminate, including.
- the adhesive layer contains an active energy ray-curable mixture
- active energy rays are applied to the adhesive layer.
- active energy ray-curable mixture to form a cured coating layer.
- the resin laminate according to the present invention is a resin laminate produced by the method for producing a resin laminate, wherein the water contact angle of the exposed antifouling cured film surface is 90 degrees or more, and the contact angle of triolein ( ⁇ ) is 55 ° or more, and the composition ratio (N / F) of nitrogen atom (N) and fluorine atom (F) by X-ray photoelectron spectroscopy is 0.110 or less.
- a functional layer such as an antireflection layer, an antifouling layer is formed by a wet method, excellent in water repellency and oil repellency, and A transfer film capable of providing a laminate excellent in transparency, scratch resistance and sweat resistance can be provided.
- a resin laminate excellent in water repellency and oil repellency and excellent in transparency, scratch resistance and sweat resistance it is possible to provide a resin laminate excellent in water repellency and oil repellency and excellent in transparency, scratch resistance and sweat resistance.
- the transparent substrate film used in the present embodiment is removed by peeling after laminating the transfer film of the present embodiment on the surface of the resin substrate described later.
- a transparent base film what is conventionally used as a peeling film for transcription
- multilayer film which has a peeling layer in a surface layer can be used as a transparent base film.
- an active energy ray-permeable film having a critical surface tension of 40 mN / m or more on the surface of the transparent substrate film or release layer is preferred.
- the transparent substrate film examples include a polyethylene terephthalate film (hereinafter referred to as “PET film”), a synthetic resin film such as a polycarbonate film, a polyamide film, and a polyamideimide film, a composite film or a composite sheet thereof, and The thing which laminated
- PET film polyethylene naphthalate film
- PEN film polyethylene naphthalate film
- PBT film polybutylene terephthalate film
- PBN film polybutylene naphthalate film
- an antifouling film directly on a film made of an aromatic polyester compound represented by a polytrimethylene terephthalate film (hereinafter referred to as “PTT film”).
- a PET film and a PEN film are more preferable.
- the thickness of the transparent substrate film is not particularly limited, but is preferably 4 ⁇ m or more, more preferably 12 ⁇ m or more, and even more preferably 30 ⁇ m or more from the viewpoint of easily producing a transfer film free from wrinkles and cracks.
- the thickness of the transparent substrate film is preferably 500 ⁇ m or less, more preferably 150 ⁇ m or less, and still more preferably 120 ⁇ m or less from the viewpoints of cost and ultraviolet transmittance.
- a release layer may be provided on the transparent substrate film surface.
- a polymer or wax for forming a known release layer can be appropriately selected as the release layer forming material.
- Examples of the method for forming the release layer include a gravure printing method and a screen printing method in which a melamine-based, urea-based, urea-melamine-based, benzoguanamine-based resin, and a paint in which a surfactant is dissolved in an organic solvent or water are used. And a method of forming by applying, drying or curing on the surface of the transparent substrate film by a known printing method such as an offset printing method.
- the thickness of the release layer is, for example, about 0.1 to 3 ⁇ m. It is preferable that the release layer has an appropriate thickness because the transparent base film tends to be peeled off from the antifouling cured film. On the other hand, if the release layer is not too thick, the antifouling cured film tends to be difficult to peel from the transparent substrate film before transfer, which is preferable.
- the antifouling cured film is a film obtained by curing the antifouling composition, and the water contact angle (1) (hereinafter referred to as “water contact angle (1)”) of the surface of the antifouling cured film that is not in contact with the transparent substrate film. .) Is 100 degrees or less.
- the water contact angle (1) is preferably 80 degrees or more and 95 degrees or less. By setting the water contact angle (1) to 100 degrees or less, the occurrence of repellency defects can be suppressed when an adhesive layer or a functional layer described later is formed on the surface of the antifouling cured film.
- the antifouling cured film may include a partially cured product (one obtained by reacting and curing a part of the curable compound in the antifouling composition).
- the state of the interface between the antifouling cured film and the functional layer, the cured coating layer or the thermoplastic resin coating layer in the resin laminate of this embodiment is good. can do.
- the antireflection function on the surface of the resin laminate after transfer is good.
- the antifouling cured film may contain an unreacted material of the antifouling composition or may be in a state in which curing can proceed by a curing reaction of the antifouling composition.
- the antifouling cured film has a water contact angle (2) (hereinafter referred to as “water contact angle (2)”) of 90 ° or more on the surface in contact with the transparent base film, and is in contact with the transparent base film.
- the contact angle ( ⁇ ) (hereinafter referred to as “triolein contact angle ( ⁇ )”) of the triolein on the surface is 55 degrees or more.
- the water contact angle (2) is preferably 95 degrees or more.
- the triolein contact angle ( ⁇ ) is preferably 60 degrees or more.
- the antifouling cured film has a composition ratio (N / F) of nitrogen atoms (N) and fluorine atoms (F) of 0.110 or less by X-ray photoelectron spectroscopy analysis of the surface in contact with the transparent substrate film. It is preferable. This is because stains such as fingerprints, sebum, and foundations on the surface of the antifouling cured film on the surface of the laminate after transfer can be made inconspicuous.
- the water contact angle (1) is measured in the state of the transfer film.
- Water contact angle (2), triolein contact angle ( ⁇ ), composition ratio of nitrogen atom (N) and fluorine atom (F) by X-ray photoelectron spectroscopy analysis on the surface in contact with the transparent substrate film (N / F) can be obtained by measuring the surface of the resin laminate after transfer.
- the water contact angle (2), the triolein contact angle ( ⁇ ), the composition ratio of nitrogen atoms (N) and fluorine atoms (F) by X-ray photoelectron spectroscopy analysis on the surface in contact with the transparent substrate film ( N / F) does not depend on the manufacturing conditions of the resin laminate. A specific measurement method will be described later.
- the film thickness of the antifouling cured film is preferably 10 nm or more, more preferably 60 nm or more, from the viewpoint of the water repellency, oil repellency and scratch resistance of the surface of the resin laminate obtained in this embodiment. Further, from the viewpoint of optical characteristics, 1.3 ⁇ m or less is preferable, 300 nm or less is more preferable, and 110 nm or less is more preferable.
- antifouling composition examples include those having at least one curability selected from thermosetting and active energy ray curability. .
- Examples of the component of the antifouling composition include a monomer (A) containing a perfluoropolyether group and a nitrogen atom.
- the monomer (A) has a perfluoropolyether group and a nitrogen atom independently in the same compound.
- Specific examples of the monomer (A) containing a perfluoropolyether group and a nitrogen atom include, for example, triisocyanate (C) obtained by trimerizing diisocyanate (hereinafter referred to as “triisocyanate (C)”).
- a monomer (A-1) hereinafter referred to as “compound (A-1)”) containing a perfluoropolyether group and a nitrogen atom obtained by reacting an active hydrogen-containing compound (D). It is done.
- Examples of the diisocyanate used to obtain the triisocyanate (C) include an isocyanate group bonded to the aliphatic skeleton, such as hexamethylene diisocyanate, isophorone diisocyanate, xylylene diisocyanate, hydrogenated xylylene diisocyanate, and dicyclohexylmethane diisocyanate.
- Examples thereof include diisocyanates in which an isocyanate group is bonded to an aromatic skeleton, such as diisocyanate and tolylene diisocyanate, diphenylmethane diisocyanate, and naphthalene diisocyanate.
- Examples of the active hydrogen-containing compound (D) include compounds containing active hydrogen such as hydroxyl groups.
- Specific examples of the active hydrogen-containing compound (D) include perfluoropolyether (D-1) having one active hydrogen (hereinafter referred to as “polyether (D-1)”), active hydrogen and carbon-carbon. And a monomer (D-2) having a double bond (hereinafter referred to as “monomer (D-2)”).
- polyether (D-1) examples include compounds having a perfluoropolyether group and one hydroxyl group at one molecular end.
- polyether (D-1) examples include compounds represented by the following formula (2).
- X is a fluorine atom
- Y and Z are each a fluorine atom or a trifluoromethyl group
- a is an integer of 1 to 16
- c is an integer of 0 to 5
- b, d, e, f and g are 0 to 200 is an integer
- h is an integer of 0 to 16.
- Examples of the monomer (D-2) include 2-hydroxyethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, and 2-hydroxybutyl (meth) acrylate.
- (meth) acryl means “acryl” or “methacryl”.
- polyether (D-1) is reacted with one isocyanate group of triisocyanate (C), and monomer (D-2) is reacted with the remaining two isocyanate groups.
- C triisocyanate
- D-1 polyether (D-1) and monomer (D-2) simultaneously or sequentially.
- the compound (A-1) include the compound represented by the formula (1).
- the monomer (A) containing a perfluoropolyether group and a nitrogen atom is preferably a compound represented by the formula (1) from the viewpoint of good water repellency and oil repellency.
- the monomer (A) containing a perfluoropolyether group and a nitrogen atom examples include a compound (E) having an isocyanate group and one or two (meth) acryloyloxy groups in the same compound, Alternatively, a compound (A-2) obtained by reacting perfluoropolyether (F) having at least one active hydrogen at the molecular end (hereinafter referred to as “compound (A-2)”) may be used.
- a commercially available product can be used as the perfluoropolyether (F) having at least one active hydrogen at the molecular end.
- a perfluoropolyether diol a product name: FLUOROLINK D10H, FLUOROLINK D, manufactured by Solvay Solexis, Inc. FLUOROLINK D4000 etc. are mentioned.
- the compound (E) having an isocyanate group and one or two (meth) acryloyloxy groups in the same compound a commercially available product can be used.
- a commercially available product can be used.
- the compound (A-2) for example, as a compound in which the isocyanate group of the compound (E) and the hydroxyl group of the compound (F) are bonded, one perfluoropolyether group and one or two ( Preferably, a compound having two vinyl groups (or (meth) acryloyloxy groups) independently can be used.
- “independently” means that the perfluoropolyether group and the (meth) acryloyloxy group are not directly bonded.
- the amount of the monomer (A) containing a perfluoropolyether group and a nitrogen atom contained in the antifouling composition is 10 parts by mass or more and 75 parts by mass or less in 100 parts by mass of the solid content in the composition. It is preferably included. Within such a range, the water repellency, oil repellency and hardness of the surface layer of the resin laminate obtained by transferring the antifouling cured film formed using the composition will be good. That is, the water contact angle (2) is 90 degrees or more and the contact angle ( ⁇ ) of triolein is 55 degrees or more.
- the “solid content” means a component excluding the solvent.
- the amount of the monomer (A) containing a perfluoropolyether group and a nitrogen atom contained in the antifouling composition depends on the composition. It is preferable that 10 mass parts or more is contained in 100 mass parts of solid content in a thing, and it is more preferable that 12 mass parts or more are contained. Moreover, it is preferable that 50 mass parts or less are contained, and it is more preferable that 30 mass parts or less are contained.
- the content of the monomer (A) containing a perfluoropolyether group and a nitrogen atom is small, the hardness is maintained in a state where the water repellency and oil repellency of the surface layer of a good resin laminate are maintained. Can be further improved. Thereby, the number of steps can be reduced, which is preferable from the viewpoint of cost. Furthermore, since the content of the monomer (A) containing a perfluoropolyether group and a nitrogen atom is small, the water contact angle (1) can be kept low even when the degree of curing is increased, and the antireflection performance and The balance of repel defects becomes better.
- the amount of the monomer (A) containing a group and a nitrogen atom is preferably 10 parts by mass or more and more preferably 12 parts by mass or more in 100 parts by mass of the antifouling composition. Moreover, it is preferable that 50 mass parts or less are contained, and it is more preferable that 30 mass parts or less are contained. Within such a range, it is possible to maintain the water repellency and oil repellency of the surface layer of a good resin laminate.
- inorganic fine particles (B) Is preferably included.
- the content of the inorganic fine particles (B) in the antifouling composition is preferably 25 parts by mass or more and 90 parts by mass or less.
- the “fine particles” of the inorganic fine particles (B) are particles having an average particle diameter of 1 nm to 200 nm. The average particle diameter is a value measured with a particle size distribution analyzer SALD-7100 (product name, manufactured by Shimadzu Corporation).
- the inorganic fine particles (B) include colloidal silica, porous silica, hollow silica, magnesium fluoride, cryolite and other low refractive index fine particles and ZrO 2 , TiO 2 , NbO, ITO, ATO, SbO 2 , Examples thereof include fine particles having a high refractive index such as In 2 O 3 , SnO 2 and ZnO. These may use only 1 type and may use 2 or more types together.
- the antifouling cured film obtained by curing the antifouling film functions as a low refractive index functional layer. And a high refractive index layer can be formed under the antifouling cured film.
- the resin laminate having this configuration is advantageous in terms of cost.
- a low refractive index component can be blended in the antifouling cured film.
- the low refractive index component for example, among the inorganic fine particles (B), it is preferable to use low refractive index fine particles having a refractive index of 1.5 or less.
- silica fine particles are preferable from the viewpoint that the surface of the inorganic fine particles (B) can be easily hydrolyzed, and hollow silica is more preferable in that the refractive index is low and the reflectance is easily reduced.
- the refractive index is a value measured with a 594 nm laser using a prism coupler (manufactured by Metricon Corporation, model 2010).
- the inorganic fine particle surface is preferably surface-treated with a hydrolyzable silane compound.
- the mixing ratio for reacting the surface of the inorganic fine particles (B) with the hydrolyzable silane compound is the water repellency, oil repellency, scratch resistance, sweat resistance of the surface of the resin laminate after transfer obtained in this embodiment.
- the inorganic fine particles (B) are preferably 30% by mass or more, and more preferably 40% by mass or more with respect to the total amount of the hydrolyzable silane compound and the inorganic fine particles (B). Moreover, it is preferable that it is 80 mass% or less, and it is more preferable that it is 70 mass% or less.
- hydrolyzable silane compound examples include 3- (meth) acryloxypropyltrimethoxysilane, 3- (meth) acryloxypropylmethyldimethoxysilane, 3- (meth) acryloxypropylmethyldiethoxysilane, and 3- ( (Meth) acryloxypropyltriethoxysilane, p-styryltrimethoxysilane, 2- (3,4-epoxycyclohexyl) ethyltrimethoxysilane, 3-glycidoxypropyltrimethoxysilane and 3-glycidoxypropylmethyldiethoxy Examples include silane. These may use only 1 type and may use 2 or more types together.
- a known surfactant can be used in combination.
- an anionic surfactant, a nonionic surfactant, a cationic surfactant, etc. are mentioned.
- the hydrolyzable silane compound has an unsaturated bond that has a greater water contact angle (2) in the antifouling cured film. It is preferable from the viewpoint that it can be increased.
- the compound having at least two (meth) acryloyloxy groups in the molecule in the antifouling composition may be added.
- the amount of the crosslinking component in the antifouling composition is preferably 0 to 30 parts by mass in 100 parts by mass of the solid content in the antifouling composition.
- crosslinking component examples include esterified products obtained from 1 mol of polyhydric alcohol and 2 mol or more of (meth) acrylic acid or a derivative thereof, and polycarboxylic acid or anhydride thereof, polyhydric alcohol, and (meth). Examples include esterified products obtained from acrylic acid or derivatives thereof.
- esterified product obtained from 1 mol of polyhydric alcohol and 2 mol or more of (meth) acrylic acid or a derivative thereof include diethylene glycol di (meth) acrylate, triethylene glycol di (meth) acrylate, and tetraethylene glycol.
- Polyethylene glycol di (meth) acrylate such as di (meth) acrylate; 1,4-butanediol di (meth) acrylate, 1,6-hexanediol di (meth) acrylate, 1,9-nonanediol di (meth) acrylate
- Alkyl diol di (meth) acrylates such as trimethylolpropane tri (meth) acrylate, trimethylolethane tri (meth) acrylate, pentaglycerol tri (meth) acrylate, pentaerythritol tri (meth) acrylate , Pentaerythritol tetra (meth) acrylate, glycerin tri (meth) acrylate, dipentaerythritol tri (meth) acrylate, dipentaerythritol tetra (meth) acrylate, dipentaerythritol penta (meth)
- a combination of a polyvalent carboxylic acid or its anhydride, a polyhydric alcohol and (meth) acrylic acid examples include, for example, malonic acid / trimethylolethane / (meth) acrylic acid, malonic acid / trimethylolpropane / (meth) acrylic acid, Malonic acid / glycerin / (meth) acrylic acid, malonic acid / pentaerythritol / (meth) acrylic acid, succinic acid / trimethylolethane / (meth) acrylic acid, succinic acid / trimethylolpropane / (meth) acrylic acid, succinic acid Acid / glycerin / (meth) acrylic acid, succinic acid Acid / glycerin / (meth) acrylic acid, succin
- compounds having at least two (meth) acryloyloxy groups in the molecule include trimethylolpropane toluylene diisocyanate, hexamethylene diisocyanate, tolylene diisocyanate, diphenylmethane diisocyanate, xylene diisocyanate, 4,4'-methylenebis.
- a photoinitiator can be blended in the antifouling composition.
- the photoinitiator include benzoin, benzoin methyl ether, benzoin ethyl ether, benzoin isopropyl ether, benzoin isobutyl ether, acetoin, butyroin, toluoin, benzyl, benzophenone, p-methoxybenzophenone, 2,2-diethoxyacetophenone, ⁇ , ⁇ -dimethoxy- ⁇ -phenylacetophenone, methylphenylglyoxylate, ethylphenylglyoxylate, 4,4'-bis (dimethylamino) benzophenone, 1-hydroxy-cyclohexyl-phenyl-ketone, 2-hydroxy-2- Carbonyl compounds such as methyl-1-phenylpropan-1-one; sulfur compounds such as tetramethylthiuram monosulf
- phosphorus compounds such as 2,4,6-trimethylbenzoyldiphenylphosphine oxide, bis (2,4,6-trimethylbenzoyl) -phenylphosphine oxide, and benzoyldiethoxyphosphine oxide are antifouling cured films. From the viewpoint that the water contact angle (1) can be lowered.
- the addition amount of the photoinitiator is preferably 0.1 parts by mass or more with respect to 100 parts by mass of the total solid content of the antifouling composition, from the viewpoint of curability by ultraviolet irradiation of the antifouling cured film, 0.5 mass Part or more is more preferable, and 1 part by mass or more is still more preferable. Further, the addition amount of the photoinitiator is preferably 10 parts by mass or less, and more preferably 7 parts by mass or less from the viewpoint of improving the color tone of the antifouling cured film and improving the antifouling property.
- thermosetting agent When the antifouling composition is a thermosetting composition, a thermosetting agent can be blended in the antifouling composition.
- thermosetting agent examples include 2,2′-azobis (4-methoxy-2,4-dimethylvaleronitrile), 2,2′-azobisisobutyronitrile, 2,2′-azobis- (2, Azo polymerization initiators such as 4-dimethylvaleronitrile); and lauroyl peroxide, diisopropyl peroxydicarbonate, benzoyl peroxide, bis (4-t-butylcyclohexyl) peroxydicarbonate, t-butylperoxyneodeca And organic peroxide polymerization initiators such as noate and t-hexylperoxypivalate. These can be used alone or in combination of two or more.
- the antifouling composition may contain various additives such as a slipping improver, a leveling agent, an ultraviolet absorber, and a light stabilizer such as HALS, if necessary.
- a compounding quantity of an additive 10 mass parts or less are preferable with respect to 100 mass parts of total solid of an antifouling composition from a transparency viewpoint of an antifouling cured film.
- a dilution solvent can be added to the antifouling composition in order to adjust the solid content concentration of the antifouling composition.
- the dilution solvent include methyl ethyl ketone, methyl isobutyl ketone, isopropanol, ethanol, 1-methoxy-2-propanol, and 2,2,3,3-tetrafluoro-1-propanol.
- the solid content concentration of the antifouling composition is preferably 0.1 to 20% by mass.
- the adhesive layer is a layer for adhering the transfer film of the present embodiment and a resin substrate described later.
- the adhesive layer is laminated on the surface of the antifouling cured film of the transfer film of this embodiment that is not in contact with the transparent substrate film, and when the resin substrate is laminated on the surface on which the transfer film is laminated Either is acceptable.
- the adhesive layer include a thermoplastic resin coating layer containing a thermoplastic resin and a curable coating layer containing an active energy ray curable composition.
- thermoplastic resin coating layer examples include acrylic resins, chlorinated olefin resins, vinyl chloride-vinyl acetate copolymers, maleic resins, chlorinated rubber resins, and cyclized rubbers. Resin, polyamide resin, coumarone indene resin, ethylene-vinyl acetate copolymer, polyester resin, polyurethane resin, styrene resin, butyral resin, rosin resin, and epoxy resin. These may use only 1 type and may use 2 or more types together.
- the active energy ray-curable composition used for forming the layer of the curable coating film is a compound having at least two (meth) acryloyloxy groups in the molecule added to the antifouling composition. (Crosslinking component), the composition containing the said photoinitiator etc. are mentioned.
- a functional layer including at least one layer selected from a low refractive index layer, a high refractive index layer, a hard coat layer and an antistatic layer was laminated on the antifouling cured film as necessary. Can be.
- the anti-fouling cured film has a low refractive index (hereinafter referred to as “anti-fouling low refractive index film”), so that the anti-reflective function is provided by the anti-stain cured film and the high refractive index layer. can do.
- antifouling cured film and the functional layer that can be formed on the transfer film of the present embodiment include the antifouling cured film / hard coat layer and the antifouling cured film.
- Antistatic layer antifouling cured film / hard coat film layer / antistatic layer, antifouling cured film / antistatic layer / hard coat layer, antifouling cured film / low refractive index layer / high refractive index layer, antifouling curing Film / Low refractive index layer / High refractive index layer / Hard coat layer, Antifouling low refractive index film / High refractive index layer, Antifouling low refractive index film / High refractive index layer / Medium refractive index layer, Antifouling low refractive index Film / Antistatic Layer, Antifouling Low Refractive Index Film / High Refractive Index Layer / Hard Coat Layer, Antifouling Low Refractive Index Film / Antistatic Layer / Hard Coat Layer, Antifouling Low Refractive Index Film / Antistatic Layer / Hard Coat Layer, Antifouling Low Refractive Index Film / Antistatic Layer / High Refractive An index layer, an antifouling
- the component forming the low refractive index layer preferably has a refractive index of about 1.3 to 1.5.
- the curable composition for the low refractive index layer which is a raw material for forming the low refractive index layer include a curable composition containing a condensation polymerization curable compound mainly composed of siloxane bonds such as alkoxysilane and alkylalkoxysilane. Things.
- Specific examples of the siloxane bond-based condensation polymerization curable compound include compounds in which a part of the siloxane bond of the siloxane resin is substituted with at least one selected from a hydrogen atom, a hydroxyl group, an unsaturated group, and an alkoxyl group. It is done.
- colloidal silica to the curable composition for a low refractive index layer from the viewpoint that the refractive index of the low refractive index layer can be significantly lowered.
- the colloidal silica includes a colloidal solution obtained by dispersing at least one kind of fine particles selected from fine particles of porous silica and fine particles of non-porous silica in a dispersion medium.
- the porous silica include low-density silica in which the inside of the particle is porous or hollow and contains air inside.
- the refractive index of hollow silica is 1.20 to 1.40, which is lower than that of ordinary silica 1.45 to 1.47. Therefore, in order to reduce the refractive index of the low refractive index layer in this embodiment, it is preferable to use hollow silica.
- the reflected light having a visible wavelength is sufficient as the combined film thickness of the antifouling cured film and the low refractive index layer. From the viewpoint of suppression, 50 to 200 nm is preferable, and 70 to 150 nm is more preferable.
- the component forming the high refractive index layer preferably has a refractive index of about 1.55 to 2.0.
- the compound for forming a high refractive index layer as a raw material for forming a high refractive index layer include, for example, a metal alkoxide that can be hydrolyzed to form a metal oxide and form a dense film. Is mentioned.
- Specific examples of the metal alkoxide include a compound represented by the following formula (3).
- Formula (3) M (OR) m In the formula, M represents a metal, R represents a hydrocarbon group having 1 to 5 carbon atoms, m represents a valence of the metal M, and represents 3 or 4).
- Examples of the metal M include titanium, aluminum, zirconium, and tin. Of these, titanium is preferred.
- Specific examples of the metal alkoxide represented by the formula (3) include titanium methoxide, titanium ethoxide, titanium n-propoxide, titanium isopropoxide, titanium n-butoxide, titanium isobutoxide, aluminum ethoxide, and aluminum. Examples include isopropoxide, aluminum butoxide, aluminum t-butoxide, tin t-butoxide, zirconium ethoxide, zirconium n-propoxide, zirconium isopropoxide and zirconium n-butoxide. These may use only 1 type and may use 2 or more types together.
- metal oxide fine particles such as zinc oxide doped with zinc oxide and aluminum, zinc antimonate, and antimony pentoxide can be added.
- metal oxide fine particles it is preferable to mix at least one of high refractive index metal oxide fine particles in the compound for forming a high refractive index layer, from the viewpoint that the refractive index of the high refractive index layer can be further increased.
- these metal oxide fine particles have antistatic performance, they are also preferable from the viewpoint of imparting an antistatic function to the resin laminate of the present embodiment.
- the high refractive index layer forming compound that is a raw material for forming the high refractive index layer in addition to the above compounds, the same active energy ray curability as the raw material for forming the adhesive layer is used.
- blended the metal oxide fine particle of high refractive index in the composition is mentioned. This composition is preferable from the viewpoint of good productivity.
- a compound containing an active energy ray-curable composition is used as the compound for forming a high refractive index layer, it can be cured by a known curing method.
- the surface-treated high refractive index metal oxide fine particles are preferably used as the high refractive index metal oxide fine particles.
- the film thickness of the high refractive index layer is preferably from 0.1 to 10 ⁇ m.
- the surface of the resin laminated body of this embodiment has favorable surface hardness, and it exists in the tendency which can make the transparency of the resin laminated body of this embodiment favorable.
- the film thickness within this range even when an antistatic layer is provided in the resin laminate of the present embodiment to provide an antistatic function, good antistatic performance tends to be provided. .
- Examples of the component forming the antistatic layer include ⁇ -electron conjugated conductive organic compounds, electron conductive compounds such as conductive fine particles, and ion conductive organic compounds.
- ⁇ -electron conjugated conductive organic compounds electron conductive compounds such as conductive fine particles
- ion conductive organic compounds ion conductive organic compounds.
- ⁇ -electron conjugated conductive organic compounds include aliphatic conjugated polyacetylene, aromatic conjugated poly (paraphenylene), heterocyclic conjugated polypyrrole, polythiophene, heteroatom-conjugated polyaniline and Examples thereof include mixed conjugated poly (phenylene vinylene). Among these, polythiophene is preferable.
- conductive fine particles include carbon-based fine particles, metal-based fine particles, metal oxide-based fine particles, and conductive coating-based fine particles.
- Examples of the carbon-based fine particles include carbon powders such as carbon black, ketjen black, and acetylene black, carbon fibers such as PAN-based carbon fibers and pitch-based carbon fibers, and carbon flakes of pulverized expanded graphite products.
- metal-based fine particles examples include metals such as aluminum, copper, gold, silver, nickel, chromium, iron, molybdenum, titanium, tungsten, and tantalum, and powders of alloys containing these metals, metal flakes, iron, copper, Examples thereof include metal fibers such as stainless steel, silver-plated copper, and brass.
- metal oxide fine particles examples include tin oxide, antimony-doped tin oxide (ATO), indium oxide, tin-doped indium oxide (ITO), zinc oxide, aluminum-doped zinc oxide, zinc antimonate, and And antimony pentoxide.
- ATO antimony-doped tin oxide
- ITO tin-doped indium oxide
- zinc oxide aluminum-doped zinc oxide
- zinc antimonate zinc antimonate
- And antimony pentoxide examples include tin oxide, antimony-doped tin oxide (ATO), indium oxide, tin-doped indium oxide (ITO), zinc oxide, aluminum-doped zinc oxide, zinc antimonate, and And antimony pentoxide.
- the surface of various fine particles such as spherical or needle-shaped titanium oxide, potassium titanate, aluminum borate, barium sulfate, mica, silica, etc.
- an antistatic component such as tin oxide, ATO, or ITO.
- coated fine conductive particles and fine resin particles such as polystyrene, acrylic resin, epoxy resin, polyamide resin, and polyurethane resin that are surface-treated with a metal such as gold and nickel.
- the conductive fine particles can be used alone or in combination of two or more.
- electron conductive type gold, silver, silver / palladium alloy, metal fine particles such as copper, nickel, aluminum and the like, tin oxide, ATO, ITO, zinc oxide, zinc oxide doped with aluminum, etc.
- metal oxide fine particles are preferred. Among these, metal oxide fine particles are more preferable.
- the mass average particle diameter of the primary particles of the conductive fine particles is preferably 1 to 200 nm, more preferably 1 to 150 nm, still more preferably 1 to 100 nm, and particularly preferably 1 to 80 nm.
- the average particle diameter of the conductive fine particles can be measured by a light scattering method or an electron micrograph observation method.
- the surface resistance of the antifouling cured film side of the later-described resin laminate is preferably 10 10 ⁇ / ⁇ or less, more preferably 10 8 ⁇ / ⁇ or less.
- the component containing the active energy ray-curable compound is used as the antistatic layer forming component, it can be cured by a known curing method.
- aminosilanes such as N-2- (aminoethyl) -3-aminopropylmethyldimethoxysilane, N-2- (aminoethyl) -3-aminopropyltrimethoxysilane, N-2- (aminoethyl) -3-aminopropyltriethoxysilane or the like may be added.
- Examples of the raw material for forming the hard coat layer include a radical curable compound containing an active energy ray curable compound and a condensation curable compound containing a condensation polymerization curable compound such as alkoxysilane and alkylalkoxysilane. It is done. These curable compounds can be used alone or in combination of two or more.
- the curable compound can be cured, for example, by irradiation with active energy rays such as an electron beam, radiation, ultraviolet rays, or heating.
- active energy rays such as an electron beam, radiation, ultraviolet rays, or heating.
- a method of curing with ultraviolet rays is preferable from the viewpoint of productivity and physical properties.
- Examples of the active energy ray-curable composition for the hard coat layer include an active energy ray-curable composition containing the compound having at least two (meth) acryloyloxy groups in the molecule and the photoinitiator described above. Can be mentioned.
- the addition amount of the photoinitiator is 0.1 part by mass or more with respect to 100 parts by mass of the active energy ray-curable compound in the active energy ray-curable composition for the hard coat layer from the viewpoint of curability by ultraviolet irradiation.
- 10 mass parts or less is preferable from the viewpoint of maintaining a good color tone of the obtained hard coat layer.
- various additives such as a slip property improver, a leveling agent, inorganic fine particles, an ultraviolet absorber, and a light stabilizer such as HALS are added as necessary. be able to.
- a slip property improver e.g., a slip property improver, a leveling agent, inorganic fine particles, an ultraviolet absorber, and a light stabilizer such as HALS are added as necessary.
- a light stabilizer e.g., 10 mass parts or less are preferable with respect to 100 mass parts of active energy ray-curable compositions for hard-coat layers from the viewpoint of the transparency of the resin laminated body obtained.
- the film thickness of the hard coat layer is preferably 1 to 20 ⁇ m. By setting the film thickness of the hard coat layer within this range, there is a sufficient surface hardness, there is little warpage of the film by the hard coat layer, and the appearance tends to be good.
- liquid organic compounds examples include at least one liquid organic compound selected from alcohols, esters, ketones, and ethers.
- the liquid state indicates a state at normal temperature and pressure.
- the liquid organic compound is applied to the surface of the antifouling film and then volatilized, the content of the monomer (A) containing perfluoropolyether groups and nitrogen atoms in the antifouling composition is small.
- a resin laminate exhibiting good water repellency and oil repellency can be obtained.
- Examples of the alcohol include methanol, ethanol, n-propanol, i-propanol, n-butanol, i-butanol, sec-butanol, t-butanol, n-pentanol, i-pentanol, 2-methylbutanol, sec -Pentanol, t-pentanol, 3-methoxybutanol, n-hexanol, 2-methylpentanol, sec-hexanol, 2-ethylbutanol, sec-heptanol, n-octanol, 2-ethylhexanol, sec-octanol, n-nonyl alcohol, n-decanol, sec-undecyl alcohol, trimethylnonyl alcohol, sec-tetradecyl alcohol, sec-heptadecyl alcohol, phenol, cyclohexanol, methylcycl
- ketone examples include acetone, methyl ethyl ketone, methyl-n-propyl ketone, methyl-n-butyl ketone, methyl-i-butyl ketone, methyl-n-pentyl ketone, methyl-n-hexyl ketone, diethyl ketone, di-i- Examples include butyl ketone, trimethylnonanone, cyclohexanone, cyclopentanone, methylcyclohexanone, 2,4-pentanedione, acetonyl acetone, diacetone alcohol, acetophenone, and ⁇ -butyrolactone. Among these, methyl-i-butyl ketone is preferable from the viewpoint of water repellency and oil repellency on the surface of the obtained resin laminate.
- ether examples include ethyl ether, i-propyl ether, n-butyl ether, n-hexyl ether, 2-ethylhexyl ether, ethylene oxide, 1,2-propylene oxide, dioxolane, 4-methyldioxolane, dioxane, dimethyldioxane, ethylene Glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol mono-n-butyl ether, ethylene glycol diethyl ether, ethylene glycol mono-n-hexyl ether, ethylene glycol monophenyl ether, ethylene glycol dibutyl ether, diethylene glycol monoethyl ether, diethylene glycol diethyl Ether, diethylene glycol diethyl ether, diethylene glycol Non-n-butyl ether, diethylene glycol di-n-butyl ether, diethylene glycol mono-n-hexyl ether,
- ester examples include methyl acetate, ethyl acetate, n-propyl acetate, i-propyl acetate, n-butyl acetate, i-butyl acetate, sec-butyl acetate, n-pentyl acetate, sec-pentyl acetate, and 3-acetate.
- the boiling point of the liquid organic compound at normal pressure is preferably 200 ° C. or lower.
- a slip improver, a leveling agent, a UV absorber, a light stabilizer such as HALS, a photoinitiator, a thermal initiator, amines, inorganic fine particles, Various additives such as organic fine particles and a binder can be added.
- the transfer film of the present embodiment is obtained by laminating an antifouling cured film on the surface of a transparent substrate film.
- the transfer film of this embodiment can be obtained by laminating an adhesive layer on the surface of the antifouling cured film that is not in contact with the transparent substrate film, if necessary.
- the transfer film of the present embodiment may have a functional layer laminated on the surface of the antifouling cured film that is not in contact with the transparent base film as necessary. Furthermore, the transfer film of this embodiment can be obtained by laminating an adhesive layer on the surface of the functional layer as necessary.
- a known protective film can be laminated on the surface of the transfer film that is not in contact with the transparent substrate film, if necessary.
- the resin substrate used in the present embodiment examples include polymethyl methacrylate, polycarbonate, a copolymer having a methyl methacrylate unit as a main constituent, a molded product of polystyrene and a styrene-methyl methacrylate copolymer.
- the resin base material can contain additives such as a colorant and a light diffusing agent as necessary.
- the thickness of the resin laminate is preferably 0.2 mm or more from the viewpoint of mechanical strength, and is preferably 10 mm or less from the viewpoint of productivity.
- the resin laminate of the present embodiment is a laminate in which a cured coating film layer that is a cured film of an adhesive layer and an antifouling cured film are sequentially laminated on the surface of a resin base material. That is, it is a laminate obtained by peeling off the transparent substrate film after bonding the adhesive layer of the transfer film and the resin substrate. Moreover, in this embodiment, a functional layer can be formed between a cured coating film layer and an antifouling cured film as needed.
- the resin laminate of this embodiment has a water contact angle (2) of the exposed antifouling cured film surface of 90 ° or more and a contact angle ( ⁇ ) of triolein of 55 ° or more.
- the resin laminate of the present embodiment has a layer having an antireflection function as a functional layer, the discoloration of the reflected color and the visibility of the image display member are less likely to occur at the time of dirt adhesion.
- the water contact angle (2) on the surface of the resin laminate is preferably 95 degrees or more, and the contact angle ( ⁇ ) of triolein is preferably 60 degrees or more.
- composition ratio (N / F) of nitrogen atoms (N) and fluorine atoms (F) by X-ray photoelectron spectroscopic analysis on the exposed antifouling cured film surface of the resin laminate of this embodiment is 0.00. 110 or less is preferable from the viewpoint that dirt such as fingerprints, sebum, and foundations on the surface of the antifouling cured film can be made inconspicuous.
- the manufacturing method of a transfer film and a resin laminated body is demonstrated in detail.
- Anti-fouling film forming process Examples of a method for forming an antifouling film, which is a coating layer of an antifouling composition for forming an antifouling cured film on the surface of a transparent substrate film, include the following methods. First, the antifouling composition is applied, and when it contains a diluting solvent, the diluting solvent is removed by drying to form an antifouling film.
- Examples of the method for applying the antifouling composition to the surface of the transparent substrate film include a casting method, a gravure coating method, a reverse gravure coating method, a vacuum slot die coating method, a roller coating method, a bar coating method, and a spray coating method. , Air knife coating method, spin coating method, flow coating method, curtain coating method, film cover method and dipping method.
- the antifouling film formed in the antifouling film forming step is cured by at least one curing method selected from, for example, a thermal curing method and an active energy ray curing method in the antifouling cured film forming step, A cured film is formed. Thereby, a transfer film is obtained.
- the water contact angle (1) of the surface of the antifouling cured film not in contact with the transparent substrate film is 100 degrees or less, and the water contact angle of the surface of the antifouling cured film in contact with the transparent substrate film (2 ) Is 90 degrees or more, and the contact angle ( ⁇ ) of triolein is 55 degrees or more.
- Examples of the active energy ray when the antifouling cured film is formed by the active energy ray curing method include an electron beam, radiation, and ultraviolet rays.
- Examples of the active energy ray curing conditions include curing conditions with a peak illuminance of 1 to 1000 mW / cm 2 and an integrated light amount of 1 to 1000 mJ / cm 2 in the presence of air.
- the step of curing the antifouling film to form the antifouling cured film includes a step before laminating the transfer film on the resin substrate.
- the partially cured product in the antifouling cured film may be cured.
- the material in which the functional layer is formed in the functional layer forming step when the functional layer is laminated on the transfer film is subjected to at least one treatment selected from a heating treatment and a curing treatment in the antifouling cured film.
- the partially cured product may be cured.
- the partially cured product in the antifouling cured film may be cured in both the step of forming the adhesive layer or the cured film of the adhesive layer and the step of forming the functional layer.
- the antifouling cured film forming step can be performed through a liquid organic compound application step and a volatilization step.
- the liquid organic compound application step the liquid organic compound is applied to the surface of the antifouling film of the transparent substrate film on which the antifouling film is formed to form a coating film of the liquid organic compound.
- Examples of the method for applying the liquid organic compound to the surface of the antifouling film include a casting method, a gravure coating method, a reverse gravure coating method, a vacuum slot die coating method, a roller coating method, a bar coating method, a spray coating method, and an air knife.
- Examples thereof include a coating method, a spin coating method, a flow coating method, a curtain coating method, a film cover method, and a dipping method.
- non-contact methods such as a vacuum slot die coating method, a spray coating method, an air knife coating method, a spin coating method, a flow coating method, a curtain coating method and a dipping method are preferable from the viewpoint of suppressing damage to the antifouling film. .
- the liquid organic compound applied to the surface of the antifouling film is volatilized.
- the method of volatilizing the liquid organic compound include a method of volatilizing at a temperature of room temperature or higher under normal pressure or reduced pressure. Note that the liquid organic compound may not completely volatilize and may partially remain.
- thermoplastic resin coating layer or a curable coating layer as an adhesive layer is provided on the surface of the functional layer. Can be formed.
- thermoplastic resin solution in which a thermoplastic resin is dissolved in a solvent
- solvent that dissolves the thermoplastic resin
- examples of the solvent that dissolves the thermoplastic resin include methyl ethyl ketone, methyl isobutyl ketone, isopropanol, ethanol, 1-methoxy-2-propanol, and toluene.
- thermoplastic resin coating layer for example, the antifouling cured film of the transfer film, or the functional layer if it has a functional layer
- the solvent is removed after applying the thermoplastic resin solution to the surface of the functional layer.
- the method of forming a thermoplastic resin coating layer by doing is mentioned.
- the method for applying the thermoplastic resin solution include a method for applying the antifouling composition.
- the thermoplastic resin coating layer can be formed on the surface of the resin base material.
- it can be formed by applying the thermoplastic resin solution to the surface of the resin substrate and then removing the solvent.
- an active energy ray-curable composition When using an active energy ray-curable composition to form an adhesive layer, as a method of forming a layer of a curable coating film containing an active energy ray-curable composition, for example, antifouling curing of a transfer film
- the active energy ray-curable composition is applied to the surface of the functional layer or the surface on which the transfer film of the resin base material is laminated, and the layer of the curable coating film is laminated.
- the method of doing is mentioned.
- Examples of the method for forming the layer of the curable coating film include the same method as the method for forming the thermoplastic resin coating layer described above.
- the surface of the transparent base film is formed in the functional layer forming step when not only the antifouling function but also various functions such as an antireflection function, a scratch resistance function and an antistatic function are provided as the transfer film.
- a functional layer can be formed on the surface of the antifouling cured film.
- Examples of the method of applying a material for forming a functional layer on the surface of the antifouling cured film include a method of applying the antifouling composition.
- the coating film obtained by applying the material forming the functional layer functions by being subjected to at least one treatment selected from heat treatment, solvent volatilization treatment and various curing treatments according to the type of the coating film. A layer is formed.
- the resin base laminate is obtained by sequentially laminating a thermoplastic resin coating layer, an antifouling cured film and a transparent base film as an adhesive layer on the surface of the resin base, or the surface of the resin base A thermoplastic resin coating layer, a functional layer, an antifouling cured film and a transparent substrate film as an adhesive layer are sequentially laminated.
- thermoplastic resin coating layer when a thermoplastic resin coating layer is used as the adhesive layer, the thermoplastic resin coating layer of the transfer film and the resin substrate are bonded to each other in the resin substrate laminate forming step. A material laminate is manufactured.
- the thermoplastic resin coating layer may be provided in advance on the transfer film, or may be provided in advance on the resin substrate.
- the resin base material and the transfer film for example, a method of pressure bonding with a rubber roll can be mentioned.
- the pressure bonding for example, the pressure bonding can be performed under a condition of 5 to 15 MPa.
- the surface of the resin base material to be bonded is preferably heated to 40 to 125 ° C.
- the active energy ray-curable resin substrate laminate includes a curable coating layer containing an active energy ray-curable composition as an adhesive layer on the surface of the resin substrate, an antifouling cured film, and A layer of a curable coating film containing an active energy ray-curable composition as an adhesive layer, a functional layer, an antifouling cured film, and a transparent group on which the transparent substrate film is sequentially laminated or on the surface of the resin substrate Material films are sequentially laminated.
- the transfer film is cured in the active energy ray-curable resin substrate laminate forming step.
- the active energy ray-curable resin substrate laminate is obtained by bonding the layer of the conductive coating and the resin substrate.
- the layer of the curable coating film may be provided in advance on the transfer film, or may be provided in advance on the resin base material.
- the material for forming an excessive amount of the curable coating layer is used to form the curable coating layer. It is preferable.
- the method for adhering the resin base material and the transfer film include the same method as in the case of using a thermoplastic resin coating layer as the adhesive layer.
- thermoplastic resin coating layer-containing transfer film laminate the thermoplastic resin coating layer-containing transfer film laminate is laminated on the surface of the resin base material in the order of a thermoplastic resin coating layer as an adhesive layer, an antifouling cured film and a transparent base material film, A thermoplastic resin coating layer, a functional layer, an antifouling cured film and a transparent substrate film are sequentially laminated and integrated as an adhesive layer on the surface of the resin substrate.
- thermoplastic resin coating layer-containing transfer film laminate forming step the resin substrate laminate obtained in the resin substrate laminate forming step is at least selected from pressure treatment and heating treatment.
- the resin base material and the thermoplastic resin coating layer, which is an adhesive layer, and the antifouling cured film or functional layer are integrated by one kind of treatment.
- the pressurizing method for example, a method of pressure bonding with a rubber roll can be mentioned.
- the pressurizing condition include 5 to 15 MPa.
- the heating treatment method include a method of heating a resin base material.
- Examples of the heating condition include 40 to 125 ° C.
- the surface temperature of the resin base material when heating the resin base material can be adjusted by the set temperature of the heating unit, the heating time, and the like. Moreover, as a measuring method of the temperature of a resin base material, the method by a non-contact type surface thermometer is mentioned, for example.
- thermoplastic resin coating layer-containing transfer film laminate forming step may be performed simultaneously with the resin base laminate forming step.
- curing of the antifouling cured film can be promoted during the heating treatment to obtain a sufficiently cured antifouling cured film.
- an active energy ray may be irradiated to promote curing of the antifouling cured film, and a sufficiently cured antifouling cured film can be obtained.
- the cured coating layer-containing transfer film laminate is obtained by sequentially laminating a cured coating layer, an antifouling cured film and a transparent substrate film as a cured film of the adhesive layer on the surface of the resin substrate, or A cured coating film layer, a functional layer, an antifouling cured film, and a transparent substrate film are sequentially laminated on the surface of the resin substrate as a cured film of the adhesive layer.
- a cured coating film layer hardens
- Irradiation of active energy rays to the active energy ray-curable resin substrate laminate can be performed via a transfer film. Moreover, you may irradiate an active energy ray from the resin base material side as needed according to the shape of the resin base material.
- Examples of the active energy ray for forming the cured coating layer include ultraviolet rays.
- Examples of the light source for irradiating with ultraviolet rays include a high-pressure mercury lamp, a metal halide lamp, and a fluorescent ultraviolet lamp.
- Examples of the active energy ray irradiation conditions for forming the cured coating layer include conditions with a peak illuminance of 100 mW / cm 2 or more and an integrated light amount of 10 mJ / cm 2 or more.
- curing of the antifouling cured film can be promoted as necessary to obtain a sufficiently cured antifouling cured film.
- the resin laminate of the present embodiment is obtained by peeling the transparent substrate film from the thermoplastic resin coating layer-containing transfer film laminate or the cured coating layer-containing transfer film laminate in the resin laminate forming step.
- the transparent substrate film When peeling a transparent substrate film from a thermoplastic resin coating layer-containing transfer film laminate or a cured coating layer-containing transfer film laminate, for example, the transparent substrate film is transferred at a room temperature. It can peel from a film laminated body by a well-known method.
- the resin laminate obtained using the transfer film of the present embodiment is, for example, an image display member used outdoors, fingerprints, sebum, foundations, and the like, which are easily attached to mobile phones, personal digital assistants, notebook computers. It is suitable for use as a front plate.
- TAS Succinic acid / trimethylolethane / acrylic acid (molar ratio 1/2/4) condensation mixture (manufactured by Osaka Organic Chemical Industry Co., Ltd.)
- C6DA 1,6-hexanediol diacrylate (trade name, manufactured by Osaka Organic Chemical Industry Co., Ltd.)
- M305 Pentaerythritol triacrylate (trade name, manufactured by Toagosei Co., Ltd.)
- M400 Dipentaerythritol hexaacrylate (trade name, manufactured by Toagosei Co., Ltd.)
- OPTOOL DAC A solution of a fluorine group-containing polyether compound having a perfluoropolyether group
- Abrasion resistance evaluation method 1 Place a circular pad with a diameter of 25.4mm with steel wool of # 0000 on the surface of the antifouling cured film of the resin laminate, and rub it back and forth 10 times at a distance of 20mm under a 1kg load, before and after scratching.
- the difference in haze value ( ⁇ haze) was obtained from the following formula, and the number of scratches on the sample surface after the test was counted to evaluate the scratch resistance.
- the antifouling property of the antifouling cured film was evaluated by the following water contact angle, triolein contact angle and oil-based ink wiping property.
- Adhesiveness In accordance with JIS K5600-5-6, evaluation of peeling of 25 square grids was performed at 4 locations, and the number of squares remaining without peeling in 100 squares was determined for the resin laminate. The adhesion of the antifouling cured film was evaluated.
- composition ratio (N / F) of nitrogen atoms (N) and fluorine atoms (F) by X-ray photoelectron spectroscopy on the surface of the antifouling cured film Antifouling cured film of the resin laminate after transfer
- the composition ratio (N / F) of nitrogen atoms (N) and fluorine atoms (F) on the surface of the film was measured by X-ray photoelectron spectroscopy.
- the composition ratio was obtained using XPS spectra obtained for all constituent elements (C1s, N1s, O1s, F1s and Si2p) and using the peak area values.
- N / F was calculated from the obtained composition ratio.
- Silica sol (1) was a cloudy liquid with a solid content of 60%.
- the ratio (%) of the inorganic fine particles in the silica sol (1) was determined from the mass ratio of the inorganic fine particles to 100 parts in total of the hydrolyzable silane compound and the inorganic fine particles used.
- antifouling compositions (1) to (14) shown in Tables 1, 2, 3, 4, 6, and 7 as antifouling compositions ) were formulated.
- the antifouling composition (9) is a thermosetting water-repellent hard coat coating solution having a solid content concentration of 1% obtained by diluting Tosguard 510 with PGM.
- the antifouling composition (1) was applied to the surface of a PET film with a melamine release layer having a thickness of 100 ⁇ m (trade name: AC-J, manufactured by Reiko Co., Ltd.) using a 10 bar coater, and then at 80 ° C. for 15 minutes. An antifouling film was formed by drying. The critical surface tension of the melamine release layer was 44 mN / m. The film thickness of the antifouling film was 93 nm calculated from the solid content concentration, the application amount and the application area of the antifouling composition (1).
- the PET film on which the antifouling film is laminated is positioned 20 cm below the lamp unit in which two fluorescent ultraviolet lamps (product name: FL40BL, manufactured by Toshiba Corporation) having an output of 40 W are installed perpendicular to the traveling direction.
- FL40BL fluorescent ultraviolet lamps
- the integrated light amount was 10 mJ / cm 2 and the peak illuminance was 1.5 mW / cm 2 .
- the water contact angle (1) on the surface of the antifouling cured film of the produced transfer film was 82 degrees.
- the transfer film was superposed on the surface of the resin base material heated to 60 ° C. via the adhesive layer (1).
- the resin base material Acrylite EX001 having a plate thickness of 2 mm was used.
- the thickness of the adhesive layer (1) was calculated from the supply amount and development area of the active energy ray-curable composition.
- the active energy ray-curable resin base laminate was allowed to pass through a PET film for 60 seconds while being heated to 60 ° C., and then a position 20 cm below the metal halide lamp with an output of 9.6 kW was set to 2.5 m /
- the adhesive layer (1) was cured to form a cured coating film layer, and a cured coating film layer-containing transfer film laminate was produced.
- the integrated light amount was 570 mJ / cm 2 and the peak illuminance was 220 mW / cm 2 .
- the total light transmittance of the resin laminate was 93%, and the haze value was 0.4%, which was excellent in transparency.
- the scratch resistance test (scratch resistance evaluation method 1) of the antifouling cured film of the resin laminate, the surface ⁇ haze was 0.05%, and the number of scratches was one. Further, as a result of the scratch resistance test (scratch resistance evaluation method 2), the surface ⁇ haze was 0.15%, and the number of scratches was three.
- the adhesion of the resin laminate was good.
- the water contact angle (2) of the surface of the antifouling cured film of the resin laminate was 105 degrees, and the contact angle of triolein was 65 degrees.
- the oil-based ink wiping property on the surface of the antifouling cured film of the resin laminate was also a level that could be completely wiped by wiping five times.
- As for the sweat resistance of the surface of the antifouling cured film of the resin laminate no discoloration was observed.
- the bottom wavelength of the surface of the antifouling cured film of the resin laminate was 600 nm, and the bottom wavelength reflectance was 2.0%. Even when a fingerprint was attached to the surface of the antifouling cured film of the resin laminate, no change in the reflected color was observed.
- Example 2 An antifouling film is laminated by passing a PET film laminated with an antifouling film at a speed of 9 m / min under a 9.6 kW high-pressure mercury lamp (output setting 50%) at a speed of 9 m / min.
- the ultraviolet curing conditions were changed to the conditions shown in Table 1.
- the evaluation results are shown in Table 1.
- repellency defects were generated in a very small area.
- Example 3 The PET film on which the antifouling film was laminated was passed at a speed of 6 m / min, and the ultraviolet curing conditions when the antifouling film was cured to form an antifouling cured film were changed to the conditions shown in Table 1. Other than that was carried out similarly to Example 2, and manufactured the resin laminated body. The evaluation results are shown in Table 1. Incidentally, when forming the adhesive layer (1) on the surface of the antifouling cured film, repelling defects were generated in a very small area.
- Example 9 In the same manner as in Example 1, a transfer film before forming the adhesive layer (1) was produced. Next, a composition for a high refractive index conductive hard coat layer having the following composition was applied to the surface of the antifouling cured film of the transfer film using an applicator (clearance: memory 4), and 10% at 80 ° C. It was dried for a minute to form a coating film for a high refractive index conductive hard coat layer. In addition, when forming the coating film for high refractive index conductive hard coat layers, no repelling occurred.
- composition of composition for high refractive index conductive hard coat layer> ELCOM MR-1009SBV P-30: 160 parts M400: 52 parts IRGACURE907: 5 parts IPA: 290 parts.
- the transfer film on which the coating film for the high refractive index conductive hard coat layer is formed is passed through a position 20 cm below the 9.6 kW high-pressure mercury lamp at a speed of 2.5 m / min, so that the high refractive index conductive hard coat is formed.
- the layer coating was cured to produce a laminate in which the high refractive index conductive hard coat layer was laminated as a high refractive index conductive hard coat layer.
- An adhesive layer (1) was formed in the same manner as in Example 1 on the surface of the high refractive index conductive hard coat layer of the laminate having the high refractive index conductive hard coat layer laminated thereon to produce a resin laminate.
- the evaluation results are shown in Table 1.
- the surface resistance value of the antifouling cured film of the resin laminate was 4 ⁇ 10 10 ⁇ / ⁇ , and had antistatic performance.
- Example 10 In the same manner as in Example 9, a laminate in which a high refractive index conductive hard coat layer was laminated was produced. After applying the following thermoplastic resin solution for adhesive layer to the surface of the high refractive index conductive hard coat layer of the laminate in which the high refractive index conductive hard coat layer was laminated using a No. 10 bar coater, 80 The solvent was evaporated by drying at 15 ° C. for 15 minutes to produce a transfer film on which the adhesive layer (2) was formed.
- thermoplastic resin solution for adhesive layer ⁇ Composition of thermoplastic resin solution for adhesive layer>
- Acrylic resin “BR-80” (trade name, manufactured by Mitsubishi Rayon Co., Ltd.): 2 parts Methyl isobutyl ketone: 49 parts IPA: 49 parts.
- the evaluation results are shown in Table 1.
- the surface resistance value of the antifouling cured film of the resin laminate was 4 ⁇ 10 10 ⁇ / ⁇ , and had antistatic performance.
- Example 11 Panlite AD-5503 having a thickness of 2 mm was used as the resin substrate. Other than that was carried out similarly to Example 1, and manufactured the resin laminated body. The evaluation results are shown in Table 1.
- Example 12 to 15 The curing conditions for producing the cured coating film layer-containing transfer film laminate were the conditions shown in Table 1. Other than that was carried out similarly to Example 1, and manufactured the resin laminated body. The evaluation results are shown in Table 1.
- Example 16 An active energy ray-curable composition was prepared by mixing 40 parts of C6DA, 60 parts of M305 and 1.0 part of DAROCUR TPO to form an adhesive layer (3). Other than that was carried out similarly to Example 1, and manufactured the resin laminated body. The evaluation results are shown in Table 1.
- Antifouling composition (8) was used instead of antifouling composition (1). Other than that was carried out similarly to Example 3, and manufactured the resin laminated body. The evaluation results are shown in Table 3. When the adhesive layer (1) was formed on the surface of the antifouling cured film, many cissing defects were generated, and the area where the adhesive layer (1) was formed was extremely small. The evaluation results are shown in Table 3.
- the antifouling composition (9) was applied to the surface of a PET film with a melamine release layer having a thickness of 100 ⁇ m (trade name: AC-J, manufactured by Reiko Co., Ltd.) using a No. 10 bar coater.
- An antifouling cured film was formed by drying and curing at 90 ° C. for 90 minutes.
- the film thickness of the antifouling cured film was 100 nm as calculated from the solid content concentration, the coating amount and the coating area of the heat curable water repellent hard coat coating solution.
- the water contact angle (1) on the surface of the antifouling cured film was 102 degrees.
- PH-91 was applied as a primer paint on the surface of the antifouling cured film to form a primer layer coating film. It was small. Thereafter, the PET film on which the primer layer coating film was partially formed was allowed to stand at room temperature for 10 minutes and then dried at 90 ° C. for 60 minutes to form a primer layer.
- the adhesive layer (1) was formed in the same manner as in Example 1 on the surface of the transfer film on which the primer layer was formed. Further, a resin laminate was produced in the same manner as in Example 1 using the transfer film. The evaluation results are shown in Table 3.
- Example 17 In an eggplant flask equipped with a condenser tube, 2.6 g of an isocyanate group-containing acrylate compound (manufactured by Showa Denko KK, product name: Karenz BEI) and a perfluoropolyether compound (manufactured by Solvay Solexis, product name: FLUOROLINK D10H) 8 g and 0.005 g of dibutyltin dilaurate were added and stirred at 50 ° C. for 6 hours to prepare a cloudy viscous liquid containing a monomer (A-2) containing a perfluoropolyether group and a nitrogen atom.
- A-2 monomer
- Methyl ethyl ketone was added to the solution to dilute it to a solid content concentration of 20% by mass to prepare a liquid containing a monomer (A-2) containing a perfluoropolyether group and a nitrogen atom.
- an antifouling composition (7) was prepared using a liquid containing a monomer (A-2) containing a perfluoropolyether group and a nitrogen atom according to the blending components and blending ratios shown in Table 2. Then, the resin laminated body was produced like Example 1 except having used the antifouling composition (7) instead of the antifouling composition (1). The evaluation results are shown in Table 2.
- the antifouling composition (10) was applied to the surface of a PET film with a melamine release layer having a thickness of 100 ⁇ m (trade name: AC-J, manufactured by Reiko Co., Ltd.) using a No. 10 bar coater, and 80 ° C. And dried for 15 minutes to form an antifouling film.
- the critical surface tension of the melamine release layer was 44 mN / m.
- the film thickness of the antifouling film was 93 nm calculated from the solid content concentration, the application amount and the application area of the antifouling composition (10).
- IPA was applied as a liquid organic compound using an applicator (clearance; memory 5) to form a coating film of the liquid organic compound, and then heated at 80 ° C. for 15 minutes to volatilize the IPA. .
- the PET film on which the antifouling film was laminated was passed at a speed of 9 m / min under a 9.6 kW high-pressure mercury lamp (output setting 50%) at a speed of 9 m / min to cure the antifouling film.
- a transfer film was produced using a soiled cured film. The integrated light quantity at this time was 100 mJ / cm 2 and the peak illuminance was 130 mW / cm 2 .
- the transfer film was superposed on the surface of the resin base material heated to 60 ° C. via the adhesive layer (1).
- the resin base material Acrylite EX001 having a plate thickness of 2 mm was used.
- the active energy ray-curable composition constituting the adhesive layer (1) is squeezed out using a rubber roll having a JIS hardness of 40 ° so that the thickness of the adhesive layer (1) is 15 ⁇ m so as not to contain bubbles.
- the active energy ray-curable resin base laminate was manufactured by pressure bonding. The thickness of the adhesive layer (1) was calculated from the supply amount and development area of the active energy ray-curable composition.
- the active energy ray-curable resin base laminate was allowed to pass through a PET film for 60 seconds while being heated to 60 ° C., and then a position 20 cm below the metal halide lamp with an output of 9.6 kW was set to 2.5 m /
- the adhesive layer (1) was cured to form a cured coating film layer, and a cured coating film layer-containing transfer film laminate was produced.
- the integrated light amount was 570 mJ / cm 2 and the peak illuminance was 220 mW / cm 2 .
- Example 19 to 25 As the liquid organic compound, liquid organic compounds (2) to (8) shown in Table 5 were used instead of IPA (liquid organic compound (1)). Other than that was carried out similarly to Example 18, and manufactured the resin laminated body. The evaluation results are shown in Table 4.
- Examples 26 to 28 instead of the antifouling composition (10), the antifouling compositions (11) to (13) shown in Table 4 were used. Other than that was carried out similarly to Example 18, and manufactured the resin laminated body. The evaluation results are shown in Table 4.
- Example 29 The ultraviolet curing conditions for the antifouling film were changed to the conditions shown in Table 4. Other than that was carried out similarly to Example 18, and manufactured the resin laminated body. The evaluation results are shown in Table 4.
- Example 18 In Example 18, the liquid organic compound was not applied and volatilized. Other than that was carried out similarly to Example 18, and manufactured the resin laminated body. The evaluation results are shown in Table 6. As for this resin laminated body, the antifouling property of the surface fell compared with the resin laminated body produced in the Example.
- Example 30 The antifouling composition (10) was applied to the PET surface of a 100 ⁇ m-thick PET film (Toyobo Co., Ltd., trade name: A4100) using a No. 10 bar coater and dried at 80 ° C. for 15 minutes to prevent the contamination. A fouling film was formed.
- the critical surface tension of the PET surface was 42 mN / m.
- the film thickness of the antifouling film was 93 nm calculated from the solid content concentration, the application amount and the application area of the antifouling composition (10).
- the PET film on which the antifouling film is laminated is passed through a 20 cm position under a 9.6 kW high-pressure mercury lamp (output setting 50%) at a speed of 9 m / min to cure the antifouling film and prevent the antifouling.
- a transfer film was produced using a cured film. As ultraviolet curing conditions when the antifouling cured film was formed, the integrated light amount was 100 mJ / cm 2 and the peak illuminance was 130 mW / cm 2 .
- the transfer film was superposed on the surface of the resin base material heated to 60 ° C. via the adhesive layer (1).
- the resin base material Acrylite EX001 having a plate thickness of 2 mm was used.
- the active energy ray-curable composition constituting the adhesive layer (1) is squeezed out using a rubber roll having a JIS hardness of 40 ° so that the thickness of the adhesive layer (1) is 15 ⁇ m so as not to contain bubbles.
- the active energy ray-curable resin base laminate was manufactured by pressure bonding. The thickness of the adhesive layer (1) was calculated from the supply amount and development area of the active energy ray-curable composition.
- the active energy ray-curable resin base laminate was allowed to pass through a PET film for 60 seconds while being heated to 60 ° C., and then a position 20 cm below the metal halide lamp with an output of 9.6 kW was set to 2.5 m /
- the adhesive layer (1) was cured to form a cured coating film layer, and a cured coating film layer-containing transfer film laminate was produced.
- the integrated light amount was 570 mJ / cm 2 and the peak illuminance was 220 mW / cm 2 .
- the PET film was peeled from the cured film layer-containing transfer film laminate to produce a resin laminate.
- the film thickness of the cured coating film layer in the resin laminate was 13 ⁇ m. Table 7 shows the evaluation results.
- Antifouling compositions (13) and (14) shown in Table 7 were used in place of the antifouling composition (10). Other than that was carried out similarly to Example 30, and manufactured the resin laminated body. Table 7 shows the evaluation results.
- Example 33 Instead of a 100 ⁇ m thick PET film (Toyobo Co., Ltd., trade name: A4100), a 100 ⁇ m PEN film (Teijin DuPont, trade name: Teonex Q65) was used. Other than that was carried out similarly to Example 30, and manufactured the resin laminated body. Table 7 shows the evaluation results. The critical surface tension of the PEN surface was 43 mN / m.
Landscapes
- Laminated Bodies (AREA)
- Surface Treatment Of Optical Elements (AREA)
Abstract
Description
本実施形態で使用される透明基材フィルムは、本実施形態の転写フィルムを後述する樹脂基材の表面に積層した後に剥離して除去される。透明基材フィルムとしては、従来転写用剥離フィルムとして使用されているもの、例えば、活性エネルギー線透過性フィルム等を使用することができる。また、本実施形態においては、透明基材フィルムとして表層に剥離層を有する積層フィルムを使用することができる。
防汚硬化膜は防汚組成物を硬化させた膜であり、防汚硬化膜の透明基材フィルムと接していない面の水接触角(1)(以下、「水接触角(1)」という。)は100度以下である。水接触角(1)は、好ましくは80度以上、95度以下である。水接触角(1)を100度以下とすることにより、防汚硬化膜の表面に後述する接着層や機能層を形成する際にハジキ欠陥の発生を抑制することができる。ここで防汚硬化膜は、部分硬化物(防汚組成物中の硬化性化合物の一部が反応して硬化したもの)を含んでもよい。
防汚硬化膜を構成する防汚組成物(以下、「防汚組成物」という。)としては、熱硬化性及び活性エネルギー線硬化性から選ばれる少なくとも1種の硬化性を有するものが挙げられる。
本実施形態において、接着層は本実施形態の転写フィルムと後述する樹脂基材とを接着するための層である。接着層は本実施形態の転写フィルムの防汚硬化膜の、透明基材フィルムと接していない面に積層される場合、及び樹脂基材の、転写フィルムが積層される面に積層される場合のいずれでもよい。接着層としては、例えば、熱可塑性樹脂を含有する熱可塑性樹脂塗膜層及び活性エネルギー線硬化性組成物を含有する硬化性塗膜の層が挙げられる。
熱可塑性樹脂塗膜層を形成する熱可塑性樹脂としては、例えば、アクリル系樹脂、塩素化オレフィン系樹脂、塩化ビニル-酢酸ビニル系共重合体、マレイン酸系樹脂、塩化ゴム系樹脂、環化ゴム系樹脂、ポリアミド系樹脂、クマロンインデン系樹脂、エチレン-酢酸ビニル系共重合体、ポリエステル系樹脂、ポリウレタン系樹脂、スチレン系樹脂、ブチラール樹脂、ロジン系樹脂及びエポキシ系樹脂が挙げられる。これらは1種のみを用いてもよく、2種以上を併用してもよい。
硬化性塗膜の層を形成するために使用される活性エネルギー線硬化性組成物としては、前述した防汚組成物に添加される分子中に少なくとも2個の(メタ)アクリロイルオキシ基を有する化合物(架橋成分)、前記光開始剤などを含む組成物が挙げられる。
本実施形態の転写フィルムとしては、必要に応じて、防汚硬化膜に、低屈折率層、高屈折率層、ハードコート層及び帯電防止層から選ばれる少なくとも1層を含む機能層を積層したものとすることができる。
式(3)
M(OR)m
(式中、Mは金属を表し、Rは炭素数1~5の炭化水素基を表し、mは金属Mの原子価であり、3又は4を表す。)
本実施形態で使用される液状有機化合物としては、アルコール、エステル、ケトン及びエーテルから選ばれる少なくとも1種の液状有機化合物が挙げられる。なお、液状とは常温常圧時の状態を示す。液状有機化合物は防汚膜の表面に塗布され、その後揮発されることによって、防汚組成物中のパーフルオロポリエーテル基と窒素原子とを含有するモノマー(A)の含有量が少ないにも係わらず良好な撥水性及び撥油性を示す樹脂積層体が得られる。
本実施形態の転写フィルムは透明基材フィルムの表面に防汚硬化膜が積層されたものである。本実施形態の転写フィルムは、必要に応じて防汚硬化膜の透明基材フィルムと接していない面に接着層を積層させたものとすることができる。
本実施形態で使用される樹脂基材としては、例えば、ポリメチルメタクリレート、ポリカーボネート、メタクリル酸メチル単位を主構成成分とする共重合体、ポリスチレン及びスチレン-メチルメタクリレート共重合体の成形品が挙げられる。樹脂基材は、必要に応じて着色剤、光拡散剤等の添加剤を含有することができる。樹脂積層体の厚みとしては、機械的強度の観点から、0.2mm以上が好ましく、生産性の観点から、10mm以下が好ましい。
本実施形態の樹脂積層体は、樹脂基材の表面に、接着層の硬化膜である硬化塗膜層と、防汚硬化膜とが順次積層された積層体である。即ち、転写フィルムの接着層と樹脂基材とを接着後、透明基材フィルムを剥離することで得られる積層体である。また、本実施形態においては、必要に応じて硬化塗膜層と防汚硬化膜との間に機能層を形成することができる。
透明基材フィルムの表面に防汚硬化膜を形成するための防汚組成物の塗膜層である防汚膜の形成方法としては、例えば、以下の方法が挙げられる。まず、前記防汚組成物を塗布し、希釈溶媒を含有する場合には希釈溶媒を乾燥により除去して防汚膜を形成する。
前記防汚膜形成工程で形成された防汚膜は、防汚硬化膜形成工程において、例えば、熱硬化法及び活性エネルギー線硬化法から選ばれる少なくとも1種の硬化法により硬化処理され、防汚硬化膜が形成される。これにより転写フィルムが得られる。該防汚硬化膜の透明基材フィルムと接していない面の水接触角(1)は100度以下であり、該防汚硬化膜の透明基材フィルムと接している面の水接触角(2)は90度以上、トリオレインの接触角(α)は55度以上である。
防汚膜形成工程の後、液状有機化合物塗布工程、揮発工程を経て、防汚硬化膜形成工程を行うことができる。液状有機化合物塗布工程において、防汚膜が形成された透明基材フィルムの防汚膜の表面に前記液状有機化合物を塗布して液状有機化合物の塗膜を形成させる。
本実施形態における揮発工程で、防汚膜の表面に塗布された液状有機化合物を揮発させる。液状有機化合物を揮発させる方法としては、例えば、室温以上の温度で、常圧又は減圧下で揮発させる方法が挙げられる。なお、液状有機化合物が完全に揮発しておらず、一部残存していても良い。
本実施形態の接着層形成工程において、転写フィルムの防汚硬化膜、又は機能層を有する場合には機能層の表面に、接着層である熱可塑性樹脂塗膜層又は硬化性塗膜の層を形成することができる。
本実施形態においては、転写フィルムとして防汚機能だけでなく、反射防止機能、耐擦傷性機能、帯電防止機能等の各種機能を付与させる場合には、機能層形成工程で透明基材フィルムの表面に防汚硬化膜を形成した後に、該防汚硬化膜の表面に機能層を形成することができる。
本実施形態において、樹脂基材ラミネート物は樹脂基材の表面に接着層としての熱可塑性樹脂塗膜層、防汚硬化膜及び透明基材フィルムが順次積層されたもの、又は樹脂基材の表面に接着層としての熱可塑性樹脂塗膜層、機能層、防汚硬化膜及び透明基材フィルムが順次積層されたものである。
本実施形態においては、接着層として熱可塑性樹脂塗膜層を使用する場合には、樹脂基材ラミネート物形成工程で転写フィルムの熱可塑性樹脂塗膜層と樹脂基材とを接着して樹脂基材ラミネート物を製造する。熱可塑性樹脂塗膜層は転写フィルムにあらかじめ設けてもよいし、樹脂基材にあらかじめ設けても良い。
本実施形態において、活性エネルギー線硬化性樹脂基材ラミネート物は、樹脂基材の表面に、接着層としての活性エネルギー線硬化性組成物を含有する硬化性塗膜の層、防汚硬化膜及び透明基材フィルムが順次積層されたもの、又は樹脂基材の表面に、接着層としての活性エネルギー線硬化性組成物を含有する硬化性塗膜の層、機能層、防汚硬化膜及び透明基材フィルムが順次積層されたものである。
本実施形態においては、接着層として活性エネルギー線硬化性組成物を含有する硬化性塗膜の層を使用する場合には、活性エネルギー線硬化性樹脂基材ラミネート物形成工程で、転写フィルムの硬化性塗膜の層と樹脂基材とを接着して活性エネルギー線硬化性樹脂基材ラミネート物を得る。硬化性塗膜の層は転写フィルムにあらかじめ設けてもよいし、樹脂基材にあらかじめ設けても良い。
本実施形態においては、熱可塑性樹脂塗膜層含有転写フィルム積層体は樹脂基材の表面に、接着層としての熱可塑性樹脂塗膜層、防汚硬化膜及び透明基材フィルムが順次積層され、一体化されたもの、又は樹脂基材の表面に接着層として熱可塑性樹脂塗膜層、機能層、防汚硬化膜及び透明基材フィルムが順次積層され、一体化されたものである。
本実施形態においては、熱可塑性樹脂塗膜層含有転写フィルム積層体形成工程において、樹脂基材ラミネート物形成工程で得られた樹脂基材ラミネート物を、加圧処理及び加温処理から選ばれる少なくとも1種の処理により樹脂基材と接着層である熱可塑性樹脂塗膜層と防汚硬化膜又は機能層とを一体化させる。
本実施形態において、硬化塗膜層含有転写フィルム積層体は樹脂基材の表面に、接着層の硬化膜として硬化塗膜層、防汚硬化膜及び透明基材フィルムが順次積層されたもの、又は樹脂基材の表面に、接着層の硬化膜として硬化塗膜層、機能層、防汚硬化膜及び透明基材フィルムが順次積層されたものである。なお、硬化塗膜層は、接着層として使用される活性エネルギー線硬化性組成物を含有する硬化性塗膜の層を硬化させたものである。
本実施形態においては、硬化塗膜層含有転写フィルム積層体形成工程において、活性エネルギー線硬化性樹脂基材ラミネート物形成工程で得られた活性エネルギー線硬化性樹脂基材ラミネート物に活性エネルギー線を照射して硬化塗膜層を形成することができる。
本実施形態の樹脂積層体は、樹脂積層体形成工程において、熱可塑性樹脂塗膜層含有転写フィルム積層体又は硬化塗膜層含有転写フィルム積層体から透明基材フィルムを剥離することにより得られる。
「TAS」:コハク酸/トリメチロールエタン/アクリル酸(モル比1/2/4)縮合混合物(大阪有機化学工業(株)製)
「C6DA」:1,6-ヘキサンジオールジアクリレート(大阪有機化学工業(株)製、商品名)
「M305」:ペンタエリスリトールトリアクリレート(東亞合成(株)製、商品名)
「M400」:ジペンタエリスリトールヘキサアクリレート(東亞合成(株)製、商品名)
「オプツールDAC」:パーフルオロポリエーテル基及び活性エネルギー線反応性基を有するフッ素基含有ポリエーテル化合物の溶液(ダイキン工業(株)製、固形分濃度20%、2,2,3,3-テトラフルオロ-1-プロパノール溶液、商品名)
「DAROCUR TPO」:2,4,6-トリメチルベンゾイル-ジフェニル-フォスフィンオキサイド(チバ・ジャパン(株)製、商品名)
「IRGACURE819」:ビス(2,4,6-トリメチルベンゾイル)-フェニルフォスフィンオキサイド(チバ・ジャパン(株)製、商品名)
「IRGACURE907」:2-メチル-1-(4-メチルチオフェニル)-2-モルフォリノプロパン-1-オン(チバ・ジャパン(株)製、商品名)
「KBM503」:3-メタクリロキシプロピルトリメトキシシラン(信越シリコーン(株)製、商品名)
「スルーリアS」:中空シリカゾルのイソプロピルアルコール(IPA)分散体(固形分濃度20%)(日揮触媒化成(株)製、商品名)
「PGM」:1-メトキシ-2-プロパノール(和光純薬(株)製、商品名)
「IPA」:i-プロパノール(和光純薬(株)製)
「エタノール」:(和光純薬(株)製)
「MIBK」:メチル-iso-ブチルケトン(和光純薬(株)製)
「ブチセロ」:エチレングリコールモノ-n-ブチルエーテル(和光純薬(株)製)
「MMA」:メタクリル酸メチル(三菱レイヨン(株)製)
「トルエン」:(和光純薬(株)製)
「n-ヘキサン」:(和光純薬(株)製)
「ELCOM MR-1009SBV P-30」:五酸化アンチモンゾルのIPA分散体(日揮触媒化成(株)製、商品名)
「アクリライトEX001」:メタクリル樹脂板(三菱レイヨン(株)製、商品名)
「パンライトAD-5503」:ポリカーボネート樹脂板(帝人化成(株)製、商品名)
「トスガード510」:加熱硬化型撥水ハードコート塗料(固形分濃度21%)(モメンティブ・パフォーマンス・マテリアルズ(株)製、商品名)
「PH-91」:プライマー塗料(固形分濃度4%)(モメンティブ・パフォーマンス・マテリアルズ(株)製、商品名)。
樹脂基材の表面温度の測定には、非接触型表面温度計((株)チノー製、ハンディ型放射温度計IR-TA(商品名))を使用した。
日本電色工業(株)製HAZE METER NDH2000(商品名)を用いてJIS K7361-1に示される測定法に準拠して、樹脂積層体の全光線透過率を測定し、JIS K7136に示される測定法に準拠してヘーズ値を測定した。
(耐擦傷性評価法1)
#0000のスチールウールを装着した直径25.4mmの円形パッドを樹脂積層体の防汚硬化膜の表面に置き、1kgの荷重下で20mmの距離を10回往復擦傷し、擦傷前と擦傷後のヘーズ値の差(Δヘーズ)を下記式より求め、試験後のサンプル表面の傷の本数を数えて耐擦傷性を評価した。
[Δヘーズ(%)]=[擦傷後のヘーズ値(%)]-[擦傷前のヘーズ値(%)]
(耐擦傷性評価法2)
#0000のスチールウールを装着した直径25.4mmの円形パッドを樹脂積層体の防汚硬化膜の表面に置き、1kgの荷重下で20mmの距離を20回往復擦傷し、擦傷前と擦傷後のヘーズ値の差(Δヘーズ)を下記式より求め、試験後のサンプル表面の傷の本数を数えて耐擦傷性を評価した。
[Δヘーズ(%)]=[擦傷後のヘーズ値(%)]-[擦傷前のヘーズ値(%)]。
転写後の樹脂積層体の防汚硬化膜が積層されていない面をサンドペーパーで粗面化した後に艶消し黒色スプレーで塗ったものを評価用サンプルとした。分光光度計((株)日立製作所製、商品名:U-4000)を用いて、入射角5°及び波長380~780nmの範囲でJIS R3106に示される測定法に準拠してサンプルの防汚硬化膜の表面の反射率を測定した。得られる反射率曲線の最も反射率の低い波長(ボトムの波長)及びボトムの波長における反射率(ボトムの波長反射率)を求めた。また、樹脂積層体の防汚硬化膜の表面に指紋を付着したときの反射色の変化の有無を以下の基準で評価した。
◎:反射色の変化が認められない。
○:反射色の変化がわずかに認められる。
×:反射色の変化が認められる。
防汚硬化膜の防汚性を下記の水接触角、トリオレインの接触角及び油性インキ拭き取り性により評価した。
23℃及び相対湿度50%の環境下において、防汚硬化膜の表面にイオン交換水0.2μLの1滴を滴下し、携帯型接触角計(Fibro syetem ab社製、商品名:PG-X)を用いて水と防汚硬化膜との接触角を測定し、水接触角を求めた。尚、水接触角(1)は転写フィルムの防汚硬化膜の表面の接触角を測定し、水接触角(2)は転写後の、樹脂積層体の防汚硬化膜の表面の接触角を測定した。
イオン交換水の代わりにトリオレインを使用したこと以外は水接触角の測定の場合と同様にして、トリオレインの接触角を求めた。尚、トリオレインの接触角(α)は転写後の、樹脂積層体の防汚硬化膜の表面の接触角を測定した。
転写後の、樹脂積層体の防汚硬化膜の表面に、油性インキとして「マイネーム」(黒色)((株)サクラクレパス製、商品名)で線を書き、3分後に「キムタオル」(日本製紙クレシア(株)製、商品名)で拭き取り、その際の油性インキの拭き取れ具合を目視により以下の基準で評価した。
◎:5回の拭き取りにより完全に拭き取ることができる。
○:5回の拭き取りではわずかに線の跡が残る。
×:5回の拭き取りでは一部又は全部の油性インキが付着したままである。
JIS K5600-5-6に準拠して、25マスの碁盤目の剥離評価を4箇所で実施し、100マスの中で剥離せずに残ったマスの数で樹脂積層体の防汚硬化膜の密着性を評価した。
樹脂積層体の厚み方向にミクロトームで幅100nmのサンプルを切り出し、透過型電子顕微鏡(日本電子(株)製JEM-1010(商品名))で樹脂積層体の断面を観察し、防汚硬化膜の膜厚を測定した。
JIS L0848の汗に対する染色堅ろう度試験方法のA法に準じて人工汗液を調製した。樹脂積層体を50×50mmの大きさにカットして評価用サンプルとした。次いで、脱脂綿を30×30mmの大きさにカットし、評価用サンプルの上に乗せ、注射器を使用し、人工汗液を脱脂綿に垂らして脱脂綿を湿らせた。そのサンプルを温度45℃及び相対湿度95%の恒温恒湿機に96時間放置した後に取り出し、樹脂積層体の表面を水洗浄した後に目視評価により以下の基準で耐汗性を評価した。
○:変色が認められない。
×:変色が認められる。
超絶縁抵抗計(東亜ディーケーケー(株)製、商品名:ULTRA MEGOHMMETER MODEL SM-10E)を使用し、測定温度23℃及び相対湿度50%の条件で、樹脂積層体の防汚硬化膜の表面の印加電圧500Vでの通電1分後の表面抵抗値(Ω/□)を測定した。尚、測定用の樹脂積層体としては、予め温度23℃及び相対湿度50%で1日間調温、調湿したものを用いた。
樹脂積層体の厚み方向にミクロトームで幅100nmのサンプルを切り出し、透過型電子顕微鏡(日本電子(株)製、JEM-1010(商品名))で樹脂積層体の断面を観察し、樹脂積層体中の防汚硬化膜と機能層、硬化塗膜層または熱可塑性樹脂塗膜層との界面の状態を下記基準で評価した。
○:界面が明確に存在し、不明瞭な箇所は認められない。
×:界面が不明瞭な箇所がある。
転写後の、樹脂積層体の防汚硬化膜の表面における窒素原子(N)とフッ素原子(F)との組成比(N/F)を、X線光電子分光分析により測定した。組成比は、全構成元素(C1s、N1s、O1s、F1s及びSi2p)についてXPSスペクトルを取得し、そのピーク面積値を用いて求めた。得られた組成比からN/Fを算出した。(測定装置:サーモフィッシャーサイエンティフィック社製ESCA-LAB 220iXL X線源:Alターゲットを用いたモノクロ線源電圧:10kVフィラメント電流:16mA 試料チャンバー内真空度:1×10-9Torr)。
撹拌機及び冷却管を備えた4ツ口フラスコ反応容器にスルーリアSを63g仕込み、次いでKBM503を12g添加した。その後、攪拌しながら水4.4g及び0.01mol/l塩酸水溶液0.1gを順次添加し、80℃で2時間加熱を行った。次いで、反応系を減圧状態にして固形分濃度が40%となるまで揮発分を留出させた後、トルエン38gを添加して80℃で2時間加熱した。その後、反応系を減圧状態にして固形分濃度が60%となるまで揮発分を留出させ、更に80℃で2時間加熱し、加水分解処理及び縮合反応処理されたシリカゾル(1)を製造した。
KBM503を8g添加したこと以外は製造例1と同様にして加水分解処理及び縮合反応処理されたシリカゾル(2)を製造した。
KBM503を16g添加したこと以外は製造例1と同様にして加水分解処理及び縮合反応処理されたシリカゾル(3)を製造した。
防汚組成物として、表1、2、3、4、6、7に示す防汚組成物(1)~(14)を調合した。なお、防汚組成物(9)は、トスガード510をPGMで希釈した固形分濃度が1%の加熱硬化型撥水ハードコート塗料溶液である。
厚さ100μmのメラミン剥離層付きPETフィルム((株)麗光製、商品名:AC-J)の表面に防汚組成物(1)を10バーコーターを用いて塗布し、80℃で15分間乾燥させて防汚膜を形成した。尚、メラミン剥離層の臨界表面張力は44mN/mであった。該防汚膜の膜厚は、防汚組成物(1)の固形分濃度、塗布量及び塗布面積から計算して93nmであった。
防汚膜が積層されたPETフィルムを9.6kWの高圧水銀ランプ(出力設定50%)の下20cmの位置を9m/分の速度で通過させ、防汚膜を硬化させて防汚硬化膜とする際の紫外線硬化条件を表1に示す条件に変更した。それ以外は実施例1と同様にして樹脂積層体を製造した。評価結果を表1に示す。尚、防汚硬化膜の表面に接着層(1)を形成する際にハジキ欠陥は極めてわずかな面積発生した。
防汚膜が積層されたPETフィルムを6m/分の速度で通過させ、防汚膜を硬化させて防汚硬化膜とする際の紫外線硬化条件を表1に示す条件に変更した。それ以外は実施例2と同様にして樹脂積層体を製造した。評価結果を表1に示す。尚、防汚硬化膜の表面に接着層(1)を形成する際にハジキ欠陥は極めてわずかな面積発生した。
防汚組成物(1)の代わりに防汚組成物(2)~(6)を使用した。それ以外は実施例1と同様にして樹脂積層体を作製した。評価結果を表1に示す。
実施例1と同様にして接着層(1)形成前の転写フィルムを製造した。次いで、以下に示す組成の高屈折率導電性ハードコート層用組成物を、アプリケーター(クリアランス:メモリ4)を用いて、前記転写フィルムの防汚硬化膜の表面に塗付し、80℃で10分間乾燥させて高屈折率導電性ハードコート層用塗膜を形成した。尚、高屈折率導電性ハードコート層用塗膜を形成する際、ハジキは発生しなかった。
ELCOM MR-1009SBV P-30:160部
M400:52部
IRGACURE907:5部
IPA:290部。
実施例9と同様にして高屈折率導電性ハードコート層が積層された積層体を製造した。高屈折率導電性ハードコート層が積層された積層体の高屈折率導電性ハードコート層の表面に、下記接着層用熱可塑性樹脂溶液を、10号バーコーターを用いて塗付した後、80℃で15分間乾燥して溶剤を揮発させ、接着層(2)の形成された転写フィルムを製造した。
アクリル樹脂「BR-80」(三菱レイヨン(株)製、商品名):2部
メチルイソブチルケトン:49部
IPA:49部。
樹脂基材として板厚が2mmのパンライトAD-5503を使用した。それ以外は実施例1と同様にして樹脂積層体を製造した。評価結果を表1に示す。
硬化塗膜層含有転写フィルム積層体を製造するときの硬化条件を表1に示す条件とした。それ以外は実施例1と同様にして樹脂積層体を製造した。評価結果を表1に示す。
C6DAを40部、M305を60部及びDAROCUR TPOを1.0部混合して活性エネルギー線硬化性組成物を調製し、接着層(3)を形成した。それ以外は実施例1と同様にして樹脂積層体を製造した。評価結果を表1に示す。
防汚組成物(1)の代わりに防汚組成物(8)を使用した。それ以外は実施例3と同様にして樹脂積層体を製造した。評価結果を表3に示す。防汚硬化膜の表面に接着層(1)を形成する際にハジキ欠陥は多数発生し、接着層(1)が形成された面積は極めて小さかった。評価結果を表3に示す。
厚さ100μmのメラミン剥離層付きPETフィルム((株)麗光製、商品名:AC-J)の表面に、防汚組成物(9)を、10号バーコーターを用いて塗付し、90℃で90分間乾燥、硬化させて防汚硬化膜を形成した。該防汚硬化膜の膜厚は加熱硬化型撥水ハードコート塗料溶液の固形分濃度、塗布量及び塗布面積から計算して100nmであった。防汚硬化膜の表面の水接触角(1)は102度であった。
冷却管を備えたナスフラスコに、イソシナネート基含有アクリレート化合物(昭和電工(株)製、製品名:カレンズBEI)2.6gと、パーフルオロポリエーテル化合物(ソルベイソレクシス社製、製品名:FLUOROLINK D10H)8gと、ジブチル錫ジラウリレート0.005gとを添加し、50℃で6時間攪拌し、パーフルオロポリエーテル基と窒素原子とを含有するモノマー(A-2)を含む白濁粘性液体を調製した。該溶液にメチルエチルケトンを添加して固形分濃度が20質量%となるように希釈し、パーフルオロポリエーテル基と窒素原子とを含有するモノマー(A-2)を含む液体を調製した。
厚さ100μmのメラミン剥離層付きPETフィルム((株)麗光製、商品名:AC-J)の表面に、防汚組成物(10)を、10号バーコーターを用いて塗布し、80℃で15分間乾燥させて防汚膜を形成した。尚、メラミン剥離層の臨界表面張力は44mN/mであった。該防汚膜の膜厚は、防汚組成物(10)の固形分濃度、塗布量及び塗布面積から計算して93nmであった。
液状有機化合物としてIPA(液状有機化合物(1))の代わりに表5に示す液状有機化合物(2)から(8)を使用した。それ以外は実施例18と同様にして樹脂積層体を製造した。評価結果を表4に示す。
防汚組成物(10)の代わりに表4に示す防汚組成物(11)~(13)を使用した。それ以外は実施例18と同様にして樹脂積層体を製造した。評価結果を表4に示す。
防汚膜の紫外線硬化条件を表4に示す条件に変更した。それ以外は実施例18と同様にして樹脂積層体を製造した。評価結果を表4に示す。
実施例18において、液状有機化合物の塗布及び揮発を実施しなかった。それ以外は実施例18と同様にして樹脂積層体を製造した。評価結果を表6に示す。該樹脂積層体は、実施例で作製した樹脂積層体と比較して表面の防汚性が低下した。
液状有機化合物としてIPA(液状有機化合物(1))の代わりに表5に示す液状有機化合物(9)、(10)を使用した。それ以外は実施例18と同様にして樹脂積層体を製造した。評価結果を表6に示す。比較例4、5では、液状有機化合物であるアルコール、エステル、エーテル及びケトンのいずれとも異なる液状有機化合物を使用して樹脂積層体を製造したが、該樹脂積層体は、実施例で作製した樹脂積層体と比較して表面の防汚性が低下した。
厚さ100μmのPETフィルム((株)東洋紡、商品名:A4100)のPET表面に、防汚組成物(10)を、10号バーコーターを用いて塗布し、80℃で15分間乾燥させて防汚膜を形成した。尚、PET表面の臨界表面張力は42mN/mであった。該防汚膜の膜厚は、防汚組成物(10)の固形分濃度、塗布量及び塗布面積から計算して93nmであった。
防汚組成物(10)の代わりに表7に示す防汚組成物(13)、(14)を使用した。それ以外は実施例30と同様にして樹脂積層体を製造した。評価結果を表7に示す。
厚さ100μmのPETフィルム((株)東洋紡、商品名:A4100)の代わりに、100μmのPENフィルム((株)帝人デュポン、商品名:テオネックス Q65)を使用した。それ以外は実施例30と同様にして樹脂積層体を製造した。評価結果を表7に示す。尚、PEN表面の臨界表面張力は43mN/mであった。
この出願は、2009年10月9日に出願された日本出願特願2009-235652及び2009年10月16日に出願された日本出願特願2009-239886を基礎とする優先権を主張し、その開示の全てをここに取り込む。
Claims (16)
- 透明基材フィルムの表面に防汚硬化膜が積層された転写フィルムであって、
防汚硬化膜の透明基材フィルムと接していない面の水接触角(1)が100度以下であり、
防汚硬化膜の透明基材フィルムと接している面の水接触角(2)が90度以上で、トリオレインの接触角(α)が55度以上である転写フィルム。 - 透明基材フィルムの表面に防汚硬化膜が積層された転写フィルムであって、
防汚硬化膜の透明基材フィルムと接している面のX線光電子分光分析による窒素原子(N)とフッ素原子(F)との組成比(N/F)が0.110以下である転写フィルム。 - 防汚硬化膜が、パーフルオロポリエーテル基と窒素原子とを含有するモノマー(A)と、無機微粒子とを含む防汚組成物を硬化してなる請求項1または2に記載の転写フィルム。
- 無機微粒子表面が加水分解性シラン化合物で表面処理されている請求項3に記載の転写フィルム。
- 防汚硬化膜が低屈折率成分を含有する請求項1~5のいずれか1項に記載の転写フィルム。
- 防汚硬化膜の透明基材フィルムと接していない面に接着層が積層された請求項1~6のいずれか1項に記載の転写フィルム。
- 透明基材フィルムの表面に防汚硬化膜及び機能層が順次積層された転写フィルムであって、機能層が、低屈折率層、高屈折率層、ハードコート層及び帯電防止層から選ばれる少なくとも1層を含む請求項1~6のいずれか1項に記載の転写フィルム。
- 機能層の防汚硬化膜と接していない面に接着層が積層された請求項8に記載の転写フィルム。
- 接着層が熱可塑性樹脂を含有する熱可塑性樹脂塗膜層又は活性エネルギー線硬化性組成物を含有する硬化性塗膜の層である請求項7又は9に記載の転写フィルム。
- 透明基材フィルムの表面に防汚組成物を塗布して防汚膜を形成する工程と、
前記防汚膜を硬化させて防汚硬化膜を形成する工程と、を含む請求項1~10のいずれか1項に記載の転写フィルムの製造方法。 - 透明基材フィルムが芳香族ポリエステル化合物からなる請求項11に記載の転写フィルムの製造方法。
- 透明基材フィルムの表面に防汚組成物を塗布して防汚膜を形成する防汚膜形成工程と、
前記防汚膜の表面に、アルコール、エステル、エーテル、ケトンから選ばれる少なくとも1種の液状有機化合物を塗布する液状有機化合物塗布工程と、
前記塗布した液状有機化合物を揮発させる揮発工程と、
防汚膜を硬化させて防汚硬化膜を形成する防汚硬化膜形成工程と、を含む請求項1~10のいずれか1項に記載の転写フィルムの製造方法。 - 請求項7または9に記載の転写フィルムの接着層と樹脂基材とを接着する工程と、
前記防汚硬化膜から前記透明基材フィルムを剥がし樹脂積層体を得る工程と、を含む樹脂積層体の製造方法。 - 前記接着層が活性エネルギー線硬化性混合物を含み、
前記転写フィルムの接着層と樹脂基材とを接着する工程の後、接着層に対し活性エネルギー線を照射し、前記活性エネルギー線硬化性混合物を硬化させて硬化塗膜層とする請求項14に記載の樹脂積層体の製造方法。 - 請求項14または15に記載の方法により製造される樹脂積層体であって、
露出している防汚硬化膜表面の水接触角が90度以上、トリオレインの接触角(α)が55度以上であり、X線光電子分光分析による窒素原子(N)とフッ素原子(F)との組成比(N/F)が0.110以下である樹脂積層体。
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JP2017181568A (ja) * | 2016-03-28 | 2017-10-05 | 株式会社トプコン | 光学素子および医療用光学機器 |
JP2018013709A (ja) * | 2016-07-22 | 2018-01-25 | 富士フイルム株式会社 | バックライト用フィルム |
WO2018176128A1 (en) * | 2017-03-27 | 2018-10-04 | Clausi Robert N | Transfer film and membrane coverings for panel products |
US11673384B2 (en) | 2017-03-27 | 2023-06-13 | Robert N. Clausi | Transfer film and membrane coverings for panel products |
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JPWO2011043361A1 (ja) | 2013-03-04 |
US20120267042A1 (en) | 2012-10-25 |
JP5810528B2 (ja) | 2015-11-11 |
EP2487032A1 (en) | 2012-08-15 |
KR20120086308A (ko) | 2012-08-02 |
CN102648091A (zh) | 2012-08-22 |
TW201125725A (en) | 2011-08-01 |
CN102648091B (zh) | 2014-08-27 |
TWI436888B (zh) | 2014-05-11 |
EP2487032A4 (en) | 2014-04-09 |
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