WO2014083610A1 - 化粧フィルム - Google Patents
化粧フィルム Download PDFInfo
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- WO2014083610A1 WO2014083610A1 PCT/JP2012/080603 JP2012080603W WO2014083610A1 WO 2014083610 A1 WO2014083610 A1 WO 2014083610A1 JP 2012080603 W JP2012080603 W JP 2012080603W WO 2014083610 A1 WO2014083610 A1 WO 2014083610A1
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- layer
- transparent resin
- printed
- resin layer
- printing
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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
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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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal 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
- B32B15/082—Layered products comprising a layer of metal comprising metal 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 comprising vinyl resins; comprising acrylic resins
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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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal 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
- B32B15/09—Layered products comprising a layer of metal comprising metal 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 comprising polyesters
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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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
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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
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/302—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising aromatic vinyl (co)polymers, e.g. styrenic (co)polymers
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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
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
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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
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
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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
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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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
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
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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
- B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
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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
- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44F—SPECIAL DESIGNS OR PICTURES
- B44F1/00—Designs or pictures characterised by special or unusual light effects
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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
- B32B2255/00—Coating on the layer surface
- B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
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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
- B32B2255/00—Coating on the layer surface
- B32B2255/20—Inorganic coating
- B32B2255/205—Metallic coating
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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
- B32B2255/00—Coating on the layer surface
- B32B2255/26—Polymeric coating
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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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/402—Coloured
- B32B2307/4023—Coloured on the layer surface, e.g. ink
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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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/406—Bright, glossy, shiny surface
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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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/41—Opaque
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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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/412—Transparent
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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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/702—Amorphous
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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
- B32B2451/00—Decorative or ornamental articles
Definitions
- the present invention relates to a decorative film, and in particular, to a decorative film having a deep and excellent three-dimensional effect.
- decorative films have been widely used by being bonded to metal or wood-based materials such as refrigerators, washing machines, air conditioners, automobiles, furniture, cabinets, joinery, and cupboards.
- the glass plate can give a deep three-dimensional effect, it requires a certain thickness, and as a result, there is a problem that the weight increases and the handling property and workability deteriorate.
- the glass plate is hard and cannot be bent and drawn, resulting in inferior molding processability, breakage, and inability to recycle.
- Japanese Patent Laid-Open No. 5-133777 JP 2002-166516 A Japanese Patent Laid-Open No. 10-34883 Japanese Patent Laid-Open No. 5-104695 Japanese Patent Application Laid-Open No. 5-220917
- an object of the present invention is to provide a decorative film capable of imparting a deep and excellent three-dimensional effect as compared with a conventional decorative film in which a synthetic resin layer and a printed layer are laminated.
- the present inventor specifies the total light transmittance and size of the printed layer in the configuration of the decorative film provided with the synthetic resin layer and the printed layer, and further specifies the layer constituting the base of the decorative film, thereby specifying the above problem.
- the present invention has been completed.
- a first transparent resin layer, a printed layer having a printed pattern, a second transparent resin layer, and a base layer are provided in this order from the outermost surface side, and all of the following conditions (a) to (d) are satisfied.
- a decorative film characterized by (A) The total light transmittance of the printed pattern of the printed layer is 0 to 30%. (B) The printed pattern area of the printed layer is 90% or less with respect to the planar area of the first transparent resin layer. (C) The thickness of the second transparent resin layer is 50 ⁇ m to 5000 ⁇ m. (D) The underlayer is a bright layer or a monochromatic layer having an L * value of 60 or more. 2. 2.
- the said non-printing part means the part in which the printing pattern of the said printing layer is not provided.
- the first transparent resin layer, the printing layer, the second transparent resin layer, and the base layer are provided in this order from the outermost surface side, and the total light transmittance and the printing area of the printing layer are specified.
- the decorative film can give a deep and excellent three-dimensional effect than the conventional decorative film. Can be provided.
- the decorative film of the present invention when light is incident from the outermost surface side, the shadow of the printed layer is formed on the base, that is, the bright layer or the monochromatic layer.
- the thickness of the second transparent resin layer is set in a specific range, the shadow can be visually recognized through the non-printing portion, and a deep and excellent three-dimensional effect can be obtained.
- the decorative film of the present invention does not use a glass plate, it does not deteriorate handleability and workability, is excellent in moldability, and can be recycled.
- FIG. 1 is a cross-sectional view of one embodiment of the decorative film of the present invention.
- the decorative film 10 of the present invention comprises a first transparent resin layer 102, a printed layer 104, a second transparent resin layer 106, and a base layer 110 in this order from the outermost surface side.
- each layer will be described.
- the first transparent resin layer 102 a known transparent resin can be used depending on the application. Examples thereof include olefin resins, ester resins, acrylic resins, fluorine resins, vinyl chloride resins, styrene resins, and the like. Moreover, you may laminate
- the first transparent resin layer 102 preferably has a total light transmittance of 60% or more. Incidentally, the total light transmittance referred to in the present invention means a value measured by ASTM D-1003.
- the thickness of the first transparent resin layer 102 is, for example, 1 ⁇ m to 500 ⁇ m, preferably 1 ⁇ m to 300 ⁇ m.
- the printing layer 104 is formed by providing a desired printing pattern by a printing method such as gravure printing, flexographic printing, offset printing, screen printing, and inkjet printing.
- the print pattern is not particularly limited, and examples thereof include a fine woodgrain pattern, an abstract pattern, and a geometric pattern.
- the printed pattern of the printed layer 104 needs to have a total light transmittance of 0 to 30%. This condition can be satisfied by using, for example, titanium oxide, carbon black, metallic, or the like as the printing ink, or increasing the thickness of the printing layer (for example, 3 ⁇ m or more). Further, the total light transmittance of the printed pattern of the printed layer 104 is preferably 0 to 20%.
- the printed pattern area of the printed layer 104 needs to be 90% or less with respect to the planar area of the first transparent resin layer. If it exceeds 90%, the shadow of the printed pattern of the printing layer 104 cannot be visually recognized from the outermost surface side, and as a result, a deep stereoscopic effect cannot be obtained.
- the printed pattern area of the printed layer 104 is more preferably 80% or less, and the printed pattern area of the printed layer 104 is more preferably 5 to 80%.
- the second transparent resin layer 106 a known transparent resin can be used depending on the application. Examples thereof include olefin resins, ester resins, acrylic resins, fluorine resins, vinyl chloride resins, styrene resins, and the like. Moreover, you may laminate
- the thickness of the second transparent resin layer 106 needs to be 50 ⁇ m to 5000 ⁇ m. If it is less than 50 ⁇ m, it becomes difficult to visually recognize the shadow of the printed pattern on the printed layer 104, and a deep stereoscopic effect cannot be obtained. On the other hand, if it exceeds 5000 ⁇ m, the handleability during production deteriorates, which is not preferable.
- the thickness of the second transparent resin layer 106 is more preferably 100 ⁇ m to 3000 ⁇ m.
- the thickness of the 2nd transparent resin layer 106 is suitably selected by the usage form of a decorative film, for example, for 3D shaping
- the thickness of the second transparent resin layer 106 is thin, for example, in the range of 50 to 1000 ⁇ m, and to firmly bond each layer with heat fusion or an adhesive.
- the thickness of the second transparent resin layer 106 is preferably set in the range of 50 ⁇ m to 3000 ⁇ m, for example.
- the second transparent resin layer 106 preferably has a total light transmittance of 70% or more.
- the second transparent resin layer 106 is made of olefin resin, ester resin, acrylic resin, fluorine resin, vinyl chloride resin, styrene resin, vinyl butyral resin, or carbonate resin from the viewpoint of moldability. preferable.
- an acrylic resin, a carbonate resin, a vinyl butyral resin, a vinyl chloride resin, and an amorphous ester resin are preferable.
- the second transparent resin layer 106 is preferably an amorphous ester resin, an acrylic resin, a vinyl chloride resin, or a vinyl butyral resin from the viewpoint of design.
- the dicarboxylic acid component is terephthalic acid
- the glycol component is 60 to 90 mol% of ethylene glycol and 10 to 40 mol% of cyclohexanedimethanol.
- a cyclohexanedimethanol copolymerized amorphous polyethylene terephthalate resin a dicarboxylic acid component is terephthalic acid, a glycol component is 60-90 mol% ethylene glycol and 10-40 mol% neopentyl glycol copolymer amorphous amorphous
- the acrylic resin used for the second transparent resin layer 106 has an acrylic resin such as polymethyl methacrylate, polyethyl methacrylate, polybutyl methacrylate, polyacrylonitrile, or a (meth) acrylate unit and a styrene unit or a urethane structure.
- the film which consists of a copolymer etc. can be mentioned.
- a mixed resin of the acrylic resin and thermoplastic polyurethane resin, a mixed resin of the acrylic resin and acrylic rubber, or the like can be used.
- Examples of the vinyl chloride resin used for the second transparent resin layer 106 include a vinyl chloride homopolymer and a vinyl chloride / vinyl acetate copolymer.
- the underlayer 110 is a bright layer or a monochromatic layer having an L * value of 60 or more.
- the bright layer is, for example, a metal plate such as an iron plate, stainless steel plate or aluminum plate; a metal foil such as gold, aluminum, silver, copper, brass, titanium, chromium, nickel, nickel chrome or stainless steel; gold, aluminum, silver or copper Resin layer with metal such as brass, titanium, chromium, nickel, nickel chrome and stainless steel deposited on its surface; pearl luster made of foil powder such as metal pigments such as aluminum and brass, titanium dioxide coated mica and basic lead carbonate (Pearl) A resin layer containing a bright pigment such as a pigment; and the like.
- the resin used include olefin resin, ester resin, acrylic resin, fluorine resin, vinyl chloride resin, and styrene resin.
- the metal deposition method is not particularly limited.
- a physical vapor deposition method such as a vacuum deposition method, a sputtering method, an ion plating method, or a chemical vapor deposition method (CVD method) is used.
- PVD method physical vapor deposition method
- CVD method chemical vapor deposition method
- the thickness of the obtained metal vapor deposition layer is preferably 20 to 500 nm.
- the resin layer containing the glitter pigment examples include olefin resins, ester resins, acrylic resins, fluorine resins, vinyl chloride resins, styrene resins, and the like.
- the bright pigment is added in the resin layer, for example, 0.05 to 20% by mass.
- the monochromatic layer is a monochromatic layer having an L * value of 60 or more.
- a more preferable L * value is 70 or more.
- the thickness of the underlayer 110 is preferably 1 ⁇ m to 200 ⁇ m, more preferably 1 ⁇ m to 150 ⁇ m. Preferred shades are white, light gray, yellow and the like.
- the base layer 110 may be provided with adhesiveness and bonded to the decorative film adherend.
- the decorative film of the present invention can be produced, for example, as follows.
- a first transparent resin layer 102 is prepared, a printed layer 104 having a printed pattern is formed on the first transparent resin layer 102 by the printing method as described above, and the second transparent resin layer 106 and the base layer 110 are formed on the printed layer 104 by a thermal laminating method. Is laminated.
- a first transparent resin layer 102 is prepared, a printed layer 104 having a printed pattern is formed thereon by the printing method as described above, and a second transparent resin is formed on the printed layer 104 using an adhesive.
- the layer 106 and the base layer 110 may be bonded together.
- FIG. 2 is a diagram for explaining a situation in which the observer of the decorative film visually recognizes the shadow through the non-printing portion.
- the shadow S of the printed pattern of the printed layer 104 is formed on the base layer 110 by light incident from the outermost surface side.
- An observer visually recognizes the printed pattern and the shadow S simultaneously through the first transparent resin layer 102 and the non-printing portion N where the printed pattern of the printed layer 104 is not provided below. Then, the observer feels the depth on the back side of the printed pattern of the printed layer 104, and an excellent three-dimensional effect with depth is obtained.
- the non-printing portion N has at least one portion where a circle having a diameter of 1 mm can enter.
- FIG. 3 is a plan view for explaining a form in which there is a portion where a circle with a diameter of 1 mm can enter in the non-printing portion.
- FIG. 3A shows an example in which the dot pattern D irregularly arranged as the print pattern of the print layer 104 is employed. In this case, a portion where a circle C having a diameter of 1 mm can enter a part of the dot pattern is shown. Exists.
- FIG. 3B shows an example in which a lattice pattern L is adopted as a print pattern of the print layer 104. Even in this case, there is a portion where a circle C having a diameter of 1 mm can enter a part of the dot pattern.
- FIG. 3C shows an example in which a lattice pattern L ′ is adopted as the print pattern of the print layer 104, and the area of the print pattern of the print layer 104 is 90% of the plane area of the first transparent resin layer 102.
- the non-printing portion N preferably has one or more portions per product where a circle having a diameter of 1 mm can enter.
- Example 1 As the first transparent resin layer 102 , a polyethylene terephthalate film (trade name T60, manufactured by Toray Industries, Inc.) having a thickness of 100 ⁇ m is used, and a dot pattern is printed on the first transparent resin layer 102 by gravure printing. Formed. The dot pattern was formed using titanium oxide as the ink, and the total light transmittance was 5%. Further, the dot pattern is 50% with respect to the planar area of the first transparent resin layer 102, and the non-printing portion N has a large number of portions where a circle C having a diameter of 1 mm can enter. That is, there are many spaces of the non-printing portion N having a size corresponding to the circle C having a diameter of 1 mm.
- a polyethylene terephthalate film (trade name T60, manufactured by Toray Industries, Inc.) having a thickness of 100 ⁇ m is used, and a dot pattern is printed on the first transparent resin layer 102 by gravure printing. Formed. The dot pattern
- a polyethylene terephthalate film (product name: T60, manufactured by Toray Industries, Inc.) having a thickness of 300 ⁇ m was used as the second transparent resin layer 106, and was bonded onto the printing layer 104 via an adhesive (Toyobo Byron 63SS 3 ⁇ m thickness).
- an aluminum foil having a thickness of 10 ⁇ m was used as the base layer 110, and this was bonded to the second transparent resin layer 106 via an adhesive (Toyobo Byron 63SS 3 ⁇ m thick).
- Design Feeling Five panelists evaluated whether or not there was a deep three-dimensional feeling according to the following criteria. 2 points: The printed pattern and the shadow S can be simultaneously viewed through the non-printing portion N where the printed pattern is not provided, and the depth is felt on the back side of the printed pattern of the printed layer 104, and a deep and excellent three-dimensional feeling is felt. . 1 point: I feel a little three-dimensional. 0 point: A three-dimensional feeling is not felt.
- the total score of the five panelists is 8 or more, it can be determined that a deep and excellent stereoscopic effect is imparted ((evaluation).
- the total score of the five panelists is 5 to 7, it can be judged that a deep stereoscopic effect is imparted even if it is not as high as the “ ⁇ ”evaluation ( ⁇ evaluation).
- the total score of 5 panelists is 3 to 4, the depth of the three-dimensional effect is insufficient, but it is within the allowable range ( ⁇ evaluation).
- the total score of five panelists is 2 or less, the stereoscopic effect is extremely insufficient and is rejected (x evaluation).
- Example 2 Example 1 was repeated except that the thickness of the first transparent resin layer 102 was changed to 50 ⁇ m and the thickness of the second transparent resin layer 106 was changed to 200 ⁇ m.
- Example 3 Example 1 was repeated except that the thickness of the second transparent resin layer 106 was changed to 4000 ⁇ m.
- Example 4 Example 1 was repeated except that the second transparent resin layer 106 was changed to a 200 ⁇ m polyvinyl chloride film (product name: S3238 Fc025, manufactured by Riken Technos).
- Example 5 Example 1 was repeated except that the second transparent resin layer 106 was changed to a 200 ⁇ m acrylic film (product name Technoloy, manufactured by Sumitomo Chemical Co., Ltd.).
- Example 6 Example 1 was repeated except that the second transparent resin layer 106 was changed to a 200 ⁇ m PETG film (manufactured by Riken Technos, product name TPT027 FZ025, cyclohexanedimethanol copolymerized amorphous polyethylene terephthalate resin).
- Example 7 Example 1 was repeated except that the underlayer 110 was changed to a 100 ⁇ m white polyvinyl chloride film (manufactured by Riken Technos, product name S23127 Fc13644 (L * value 95)).
- Example 8 Example 1 was repeated except that the printing condition of the dot pattern in the printing layer 104 was changed and the total light transmittance of the dot pattern was changed to 25%.
- Example 9 Example except that the printed pattern on the printed layer 104 was changed to a lattice pattern with a total light transmittance of 5%, and the printed area of the lattice pattern was changed to 85% with respect to the plane area of the first transparent resin layer 102. 1 was repeated.
- Example 10 Example 1 was repeated except that the thickness of the second transparent resin layer 106 was changed to 50 ⁇ m.
- Example 11 Example 1 was repeated except that the underlayer 110 was changed to a light gray monochromatic layer with an L * value of 65.
- Example 1 was repeated except that the printing condition of the dot pattern in the printing layer 104 was changed and the total light transmittance of the dot pattern was changed to 35%.
- Comparative Example 2 Example except that the printed pattern in the printed layer 104 was changed to a lattice pattern having a total light transmittance of 5%, and the printed area of the lattice pattern was changed to 95% with respect to the plane area of the first transparent resin layer 102. 1 was repeated.
- Comparative Example 3 Example 1 was repeated except that the thickness of the second transparent resin layer 106 was changed to 25 ⁇ m.
- Comparative Example 4 Example 1 was repeated except that the glitter layer 110 was changed to a dark gray monochromatic layer having an L * value of 50.
- Example 1 was repeated except that the thickness of the second transparent resin layer 106 was changed to 6000 ⁇ m.
- the first transparent resin layer, the printing layer, the second transparent resin layer, and the base layer are provided in this order from the outermost surface side, and the total light transmittance and the printing area of the printing layer are set.
- the thickness of the second transparent resin layer is specified, and since a bright layer or a specific monochromatic layer is adopted as the underlayer, it is possible to give a deep and excellent three-dimensional effect than the conventional decorative film. I was able to.
- the decorative film of the comparative example 1 was not able to obtain the three-dimensional effect with the depth.
- Comparative Example 2 since the printing area of the printed pattern of the printing layer 104 exceeded the upper limit defined in the present invention, a deep stereoscopic effect was not obtained. Since the thickness of the 2nd transparent resin layer 106 was less than the minimum prescribed
- the decorative film of the present invention can give a deep and excellent three-dimensional effect, it is suitably applied as a metal-based or wood-based decorative material for refrigerators, washing machines, air conditioners, automobiles, furniture, cabinets, joinery, cupboards, etc. it can.
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Abstract
Description
しかしながら、従来技術の化粧フィルムでは、昨今当業界で求められている高いレベルの立体感を付与することができず、改善が求められていた。
1. 最表面側から、第1透明樹脂層と、印刷模様を有する印刷層と、第2透明樹脂層と、下地層とをこの順で設け、以下の条件(a)~(d)をすべて満たすことを特徴とする化粧フィルム。
(a)前記印刷層の印刷模様の全光線透過率が0~30%である。
(b)前記第1透明樹脂層の平面の面積に対し、前記印刷層の印刷模様の面積が90%以下である。
(c)前記第2透明樹脂層の厚みが50μm~5000μmである。
(d)前記下地層が光輝層またはL*値60以上の単色層である。
2.前記最表面側から入射する光により、前記印刷層の印刷模様の影が前記下地層上に形成され、非印刷部を通して前記影が視認可能となることを特徴とする前記1に記載の化粧フィルム(ただし、前記非印刷部とは前記印刷層の印刷模様が設けられていない部分を意味する)。
3.前記非印刷部は、直径1mmの円が入り得る部分を少なくとも1箇所有することを特徴とする前記2に記載の化粧フィルム。
本発明の化粧フィルムは、最表面側から光が入射すると、印刷層の影が下地、すなわち光輝層または単色層上に形成される。第2透明樹脂層の厚みが特定の範囲に設定されているので、非印刷部を通して影が視認可能となり、深みのある優れた立体感が得られる。
また本発明の化粧フィルムはガラス板を用いることがないので、取り扱い性や作業性を悪化させず、成形加工性に優れ、リサイクルも可能となる。
図1は、本発明の化粧フィルムの一実施形態の断面図である。図1において、本発明の化粧フィルム10は、最表面側から、第1透明樹脂層102と、印刷層104と、第2透明樹脂層106と、下地層110とをこの順で設けてなる。以下、各層について説明する。
また、第1透明樹脂層102の厚みは、例えば1μm~500μmであり、好ましくは1μm~300μmである。
本発明において、印刷層104の印刷模様は、全光線透過率が0~30%である必要がある。この条件は、例えば印刷インクとして酸化チタン、カーボンブラック、メタリック、等を用いたり、印刷層の厚みを増加させる(例えば3μm以上)ことにより満たすことができる。さらに好ましい印刷層104の印刷模様の全光線透過率は、0~20%である。全光線透過率が30%を超えると、印刷層104の印刷模様の影が下記で説明する下地層上に形成されず、深みのある立体感が得られない。
また本発明において、印刷層104の印刷模様の面積は、第1透明樹脂層の平面の面積に対し、90%以下であることが必要である。90%を超えると、印刷層104の印刷模様の影を最表面側から視認できず、結果として深みのある立体感が得られない。
より好ましい印刷層104の印刷模様の面積は80%以下であり、さらに好ましい印刷層104の印刷模様の面積は5~80%である。
なお、第2透明樹脂層106の厚みは、化粧フィルムの使用形態、例えば3次元成形用、曲げ加工用(2次元)、平貼り用によって適宜選択される。
例えば3次元成形用としては、第2透明樹脂層106の厚みを薄めに、例えば50~1000μmの範囲に設定し、各層間を熱融着若しくは接着剤により強固に接着するのが好ましい。
第2透明樹脂層106の厚みを1000μm以下にすることで、例えば化粧フィルム10をエリクセン試験機による5mm押しをした際にも材破することも、浮きが発生することも無く、3次元成形に好適である。
曲げ加工用としては、第2透明樹脂層106の厚みを例えば50μm~3000μmの範囲に設定するのが好ましい。
第2透明樹脂層106の厚みを3000μm以下にすることで、例えば化粧フィルム10を90°曲げ(R=15mm)をした際にも材破することも無く、2次元成形に耐えうるものである。
平貼り用としては、第2透明樹脂層106の厚みを厚めに、例えば100~5000μmの範囲に設定し、深みのある立体感をさらに高めるのが好ましい。
第2透明樹脂層106は、全光線透過率が70%以上であることが好ましい。
前記の金属を表面に蒸着させた樹脂層を採用する場合、使用される樹脂としては、例えばオレフィン系樹脂、エステル系樹脂、アクリル系樹脂、フッ素系樹脂、塩化ビニル系樹脂、スチレン系樹脂等が挙げられる。また、金属の蒸着方法はとくに制限されず、例えば真空蒸着法、スパッタリング法、イオンプレーティング法などの物理的気相蒸着法(PVD法)、あるいは化学的気相蒸着法(CVD法)等を採用することができる。なお、得られる金属蒸着層の厚さは、20~500nmが好ましい。
前記の光輝性顔料を含む樹脂層を採用する場合、使用される樹脂としては、例えばオレフィン系樹脂、エステル系樹脂、アクリル系樹脂、フッ素系樹脂、塩化ビニル系樹脂、スチレン系樹脂等が挙げられる。また、光輝性顔料は樹脂層中、例えば0.05~20質量%添加される。
L*値が60未満であると、印刷層104の印刷模様の影を視認しにくくなり、深みのある立体感が得られない。さらに好ましいL*値は、70以上である。
下地層110を設けることにより、印刷層104の印刷模様の影がより鮮明になり、深み感をさらに際立たせることができる。
下地層110の厚みは、1μm~200μmが好ましく、1μm~150μmがさらに好ましい。好ましい色合いとしては、白色、淡色系の灰色、黄色等である。
第1透明樹脂層102を準備し、その上に前記のような印刷方法により印刷模様を有する印刷層104を形成し、印刷層104上に第2透明樹脂層106および下地層110を熱ラミネート法により積層する。
これとは別に、第1透明樹脂層102を準備し、その上に前記のような印刷方法により印刷模様を有する印刷層104を形成し、印刷層104上に接着剤を用いて第2透明樹脂層106および下地層110を貼り合わせてもよい。
本発明の化粧フィルム10は、最表面側から入射する光により、印刷層104の印刷模様の影Sが下地層110上に形成される。観察者は、第1透明樹脂層102と、その下部で印刷層104の印刷模様が設けられていない非印刷部Nを通して前記印刷模様および影Sを同時に視認する。すると、観察者は印刷層104の印刷模様の裏側に奥行きを感じるようになり、深みのある優れた立体感が得られる。
図3は、非印刷部に直径1mmの円が入り得る部分が存在する形態を説明するための平面図である。
図3(a)は、印刷層104の印刷模様として不規則に配列されたドット柄Dを採用した例であるが、この場合、ドット柄の一部に直径1mmの円Cが入り得る部分が存在する。すなわち、直径1mmの円Cに相当する大きさの非印刷部Nのスペースが存在することにより、観察者は、印刷模様が設けられていない非印刷部Nを通して前記印刷模様および影Sを同時に視認できるため、印刷層104の印刷模様の裏側に奥行きを感じるようになり、深みのある優れた立体感が得られる。
図3(b)は、印刷層104の印刷模様として格子柄Lを採用した例であるが、この場合においても、ドット柄の一部に直径1mmの円Cが入り得る部分が存在する。したがって、観察者は、印刷模様が設けられていない非印刷部Nを通して前記印刷模様および影Sを同時に視認できるため、印刷層104の印刷模様の裏側に奥行きを感じるようになり、深みのある優れた立体感が得られる。
しかし図3(c)では、印刷層104の印刷模様として格子柄L’を採用した例であり、第1透明樹脂層102の平面の面積に対し、印刷層104の印刷模様の面積が90%以下であるにもかかわらず、非印刷部Nに直径1mmの円Cが入り得る部分が存在しないために、非印刷部Nを通して前記印刷模様および影Sを同時に視認することが困難となり、観察者は印刷層104の印刷模様の裏側に奥行きを感じない。したがって、深みのある優れた立体感が得られない。
なお、一つの製品において、非印刷部Nは、直径1mmの円が入り得る部分を1製品あたり1箇所以上有することが好ましい。
第1透明樹脂層102として、厚みが100μmのポリエチレンテレフタレートフィルム(東レ社製、商品名T60)を用い、この第1透明樹脂層102上にドット柄模様をグラビア印刷により印刷し、印刷層104を形成した。
なお、ドット柄模様は、インクとして酸化チタンを用いて形成し、その全光線透過率は5%であった。またドット柄模様は、第1透明樹脂層102の平面の面積に対し50%であり、非印刷部Nは、直径1mmの円Cが入り得る部分を多数有する。すなわち、直径1mmの円Cに相当する大きさの非印刷部Nのスペースが多数存在する。
続いて、第2透明樹脂層106として厚みが300μmのポリエチレンテレフタレートフィルム(東レ社製、商品名T60)を用い、印刷層104上に接着剤(東洋紡バイロン63SS 3μm厚)を介して貼り合わせた。
次に、下地層110として厚みが10μmのアルミニウム箔を用い、これを第2透明樹脂層106上に接着剤(東洋紡バイロン63SS 3μm厚)を介して貼り合わせた。
意匠感
パネラー5名(A~E)により、深みのある立体感があるか否か、以下の基準で評価した。
2点:印刷模様が設けられていない非印刷部Nを通して印刷模様および影Sを同時に視認でき、印刷層104の印刷模様の裏側に奥行きを感じるようになり、深みのある優れた立体感を感じる。
1点:多少立体感を感じる。
0点:立体感を感じない。
パネラー5名の合計点数が5~7点である場合、「◎」評価ほどではないにせよ、深みのある立体感が付与されていると判断できる(○評価)。
パネラー5名の合計点数が3~4点である場合、深みのある立体感は不十分であるが、許容できるぎりぎりの範囲である(△評価)。
パネラー5名の合計点数が2点以下である場合、立体感はきわめて不十分であり、不合格である(×評価)。
各製造工程において、原反のハンドリング性を以下の基準で評価した。
○:何の支障もなく取り扱える。
△:多少の困難性はあるが、支障ない範囲で扱える。
×:重量過多、厚み過剰で取り扱い困難。
第1透明樹脂層102の厚みを50μmに変更し、かつ第2透明樹脂層106の厚みを200μmに変更したこと以外は実施例1を繰り返した。
第2透明樹脂層106の厚みを4000μmに変更したこと以外は実施例1を繰り返した。
第2透明樹脂層106として200μmのポリ塩化ビニルフィルム(リケンテクノス社製、製品名S3238 Fc025)に変更したこと以外は実施例1を繰り返した。
第2透明樹脂層106として200μmのアクリルフィルム(住友化学社製、製品名テクノロイ)に変更したこと以外は実施例1を繰り返した。
第2透明樹脂層106として200μmのPETGフィルム(リケンテクノス社製、製品名TPT027 FZ025、シクロヘキサンジメタノール共重合非晶性ポリエチレンテレフタレート系樹脂)に変更したこと以外は実施例1を繰り返した。
下地層110として100μmの白色ポリ塩化ビニルフィルム(リケンテクノス社製、製品名S23127 Fc13644(L*値95))に変更したこと以外は実施例1を繰り返した。
印刷層104におけるドット柄模様の印刷条件を変更し、ドット柄模様の全光線透過率を25%に変更したこと以外は実施例1を繰り返した。
印刷層104における印刷模様を全光線透過率5%の格子柄に変更し、その格子柄の印刷面積を、第1透明樹脂層102の平面の面積に対し85%に変更したこと以外は実施例1を繰り返した。
第2透明樹脂層106の厚みを50μmに変更したこと以外は実施例1を繰り返した。
下地層110を、L*値65の淡色灰色単色層に変更したこと以外は実施例1を繰り返した。
印刷層104におけるドット柄模様の印刷条件を変更し、ドット柄模様の全光線透過率を35%に変更したこと以外は実施例1を繰り返した。
印刷層104における印刷模様を全光線透過率5%の格子柄に変更し、その格子柄の印刷面積を、第1透明樹脂層102の平面の面積に対し95%に変更したこと以外は実施例1を繰り返した。
第2透明樹脂層106の厚みを25μmに変更したこと以外は実施例1を繰り返した。
光輝層110を、L*値50の濃色灰色単色層に変更したこと以外は実施例1を繰り返した。
第2透明樹脂層106の厚みを6000μmに変更したこと以外は実施例1を繰り返した。
これに対し、比較例1の化粧フィルムは、印刷層104の印刷模様の全光線透過率が本発明で規定する上限を超えているので、深みのある立体感が得られなかった。
比較例2は、印刷層104の印刷模様の印刷面積が本発明で規定する上限を超えているので、深みのある立体感が得られなかった。
比較例3は、第2透明樹脂層106の厚みが本発明で規定する下限未満であるので、深みのある立体感が得られなかった。
比較例4は、下地層110のL*値が本発明で規定する上限を超えているので、深みのある立体感が得られなかった。
比較例5は、第2透明樹脂層106の厚みが本発明で規定する上限を超えているので、製造時の取り扱い性が困難であった。
102 第1透明樹脂層
104 印刷層
106 第2透明樹脂層
110 下地層
N 非印刷部
S 影
Claims (3)
- 最表面側から、第1透明樹脂層と、印刷模様を有する印刷層と、第2透明樹脂層と、下地層とをこの順で設け、以下の条件(a)~(d)をすべて満たすことを特徴とする化粧フィルム。
(a)前記印刷層の印刷模様の全光線透過率が0~30%である。
(b)前記第1透明樹脂層の平面の面積に対し、前記印刷層の印刷模様の面積が90%以下である。
(c)前記第2透明樹脂層の厚みが50μm~5000μmである。
(d)前記下地層が光輝層またはL*値60以上の単色層である。 - 前記最表面側から入射する光により、前記印刷層の印刷模様の影が前記下地層上に形成され、非印刷部を通して前記影が視認可能となることを特徴とする請求項1に記載の化粧フィルム(ただし、前記非印刷部とは前記印刷層の印刷模様が設けられていない部分を意味する)。
- 前記非印刷部は、直径1mmの円が入り得る部分を少なくとも1箇所有することを特徴とする請求項2に記載の化粧フィルム。
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JPH1034883A (ja) | 1996-04-27 | 1998-02-10 | Heidelberger Druckmas Ag | 輪転印刷機の枚葉紙搬送シリンダの外側直径を調整する方法および枚葉紙搬送シリンダ |
JPH1076623A (ja) * | 1996-09-02 | 1998-03-24 | Tosoh Corp | 化粧フィルム |
JP2002166516A (ja) | 2000-09-22 | 2002-06-11 | Ibiden Co Ltd | 化粧材 |
Cited By (3)
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JP2018076077A (ja) * | 2016-11-07 | 2018-05-17 | 昭和電工パッケージング株式会社 | ラミネート包材 |
JP2019151016A (ja) * | 2018-03-02 | 2019-09-12 | 積水化学工業株式会社 | 化粧パネル及びその製造方法 |
JP7100992B2 (ja) | 2018-03-02 | 2022-07-14 | 積水化学工業株式会社 | 化粧パネル及びその製造方法 |
Also Published As
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JPWO2014083610A1 (ja) | 2017-01-05 |
EP2926988B1 (en) | 2018-04-04 |
CN104812568B (zh) | 2017-10-24 |
EP2926988A4 (en) | 2016-05-11 |
CN104812568A (zh) | 2015-07-29 |
EP2926988A1 (en) | 2015-10-07 |
TWI625251B (zh) | 2018-06-01 |
KR20150090069A (ko) | 2015-08-05 |
TW201433474A (zh) | 2014-09-01 |
KR102015399B1 (ko) | 2019-08-28 |
JP6018221B2 (ja) | 2016-11-02 |
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