JP5903314B2 - Decorative sheet - Google Patents

Decorative sheet Download PDF

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Publication number
JP5903314B2
JP5903314B2 JP2012084101A JP2012084101A JP5903314B2 JP 5903314 B2 JP5903314 B2 JP 5903314B2 JP 2012084101 A JP2012084101 A JP 2012084101A JP 2012084101 A JP2012084101 A JP 2012084101A JP 5903314 B2 JP5903314 B2 JP 5903314B2
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layer
metal
adhesive
decorative sheet
transparent
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JP2013212639A (en
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藤野　直樹
直樹 藤野
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CI Kasei Co Ltd
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CI Kasei Co Ltd
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Priority to JP2012084101A priority Critical patent/JP5903314B2/en
Priority to PCT/JP2013/058443 priority patent/WO2013150904A1/en
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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
    • 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
    • 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
    • B32B15/085—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 polyolefins
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • B32B2607/00—Walls, panels
    • B32B2607/02—Wall papers, wall coverings
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/12—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements of metal or with an outer layer of metal or enameled metal

Description

本発明は、壁等の被着体の意匠性を向上させる化粧シートに関する。   The present invention relates to a decorative sheet that improves the design of an adherend such as a wall.

例えば、建物の外壁、住宅の玄関扉などの建築部材、自動車の外装・内装、車両・船舶の外装・内装、看板・サインなどの意匠性を高めるために、意匠が施された化粧シートを貼着することがある。
化粧シートとして、金属層を有するものが知られている（特許文献１，２）。金属層を有する化粧シートにおいては、金属調の外観を得ることができる。
ところで、金属調の外観では、高級感を付与するために、金属光沢を抑えることがある。特許文献１，２に記載の化粧シートにおいても光沢を抑えるための構成を有している。具体的には、特許文献１に記載の化粧シートでは、金属層よりも表面側に配置された透明表面層に樹脂微粒子を含有させており、特許文献２に記載の化粧シートでは透明表面層に凹凸模様を形成している。 For example, in order to enhance the design of building materials such as exterior walls of buildings, entrance doors of houses, exterior / interior of automobiles, exterior / interior of vehicles / ships, signboards / signs, etc. May wear.
A decorative sheet having a metal layer is known (Patent Documents 1 and 2). In a decorative sheet having a metal layer, a metallic appearance can be obtained.
By the way, in the metallic appearance, the metallic luster may be suppressed in order to give a high-class feeling. The decorative sheets described in Patent Documents 1 and 2 also have a configuration for suppressing gloss. Specifically, in the decorative sheet described in Patent Document 1, resin fine particles are contained in the transparent surface layer disposed on the surface side of the metal layer, and in the decorative sheet described in Patent Document 2, the transparent surface layer is included in the transparent surface layer. An uneven pattern is formed.

特開平８−０５８０１６号公報JP-A-8-058016 特開平９−１０４０９５号公報JP-A-9-104095

しかしながら、特許文献１，２に記載の化粧シートでは、金属調に深みがなく、意匠性に優れているとはいえなかった。
本発明は、適度に金属光沢が抑えられ且つ金属調に深みを有して意匠性に優れた化粧シートを提供することを目的とする。 However, the decorative sheets described in Patent Documents 1 and 2 have no depth in metallic tone and cannot be said to have excellent design properties.
An object of the present invention is to provide a decorative sheet that has a moderate metallic luster and has a metallic depth and is excellent in design.

本発明は、以下の態様を有する。
［１］透明基材層の片面に金属層が設けられた金属積層シートと、該金属積層シートの一方の面側に接着剤層を介して設けられた透明表面層とを備え、前記透明基材層及び前記接着剤層の少なくとも一方が艶消し層であることを特徴とする化粧シート。
［２］前記金属積層シートの、透明表面層とは反対側に、粘着剤層を備える、［１］に記載の化粧シート。
［３］前記透明表面層と前記接着剤層との間に、印刷層を備える、［１］又は［２］に記載の化粧シート。 The present invention has the following aspects.
[1] A metal laminate sheet in which a metal layer is provided on one side of a transparent substrate layer, and a transparent surface layer provided on one side of the metal laminate sheet via an adhesive layer, A decorative sheet, wherein at least one of the material layer and the adhesive layer is a matte layer.
[2] The decorative sheet according to [1], wherein an adhesive layer is provided on the opposite side of the metal laminate sheet from the transparent surface layer.
[3] The decorative sheet according to [1] or [2], wherein a printed layer is provided between the transparent surface layer and the adhesive layer.

本発明の化粧シートは、適度に金属光沢が抑えられ且つ金属調に深みを有して意匠性に優れている。   The decorative sheet of the present invention has a moderate metallic luster and a deep metallic tone and is excellent in design.

本発明の化粧シートの一実施形態を示す断面図である。It is sectional drawing which shows one Embodiment of the decorative sheet of this invention.

本発明の化粧シートの一実施形態について説明する。
図１に、本実施形態の化粧シートを示す。本実施形態の化粧シート１は、金属積層シート１０と、金属積層シート１０の一方の面側に設けられた透明表面層２０と、金属積層シート１０と透明表面層２０とを接着させるための接着剤層３０と、透明表面層２０と接着剤層３０との間に設けられた印刷層４０と、金属積層シート１０の、透明表面層２０とは反対側の面に設けられた粘着剤層５０と、粘着剤層５０の露出面に貼合された離型シート６０とを備える。 One embodiment of the decorative sheet of the present invention will be described.
In FIG. 1, the decorative sheet of this embodiment is shown. The decorative sheet 1 of the present embodiment includes a metal laminate sheet 10, a transparent surface layer 20 provided on one surface side of the metal laminate sheet 10, and an adhesion for adhering the metal laminate sheet 10 and the transparent surface layer 20. The adhesive layer 30, the printed layer 40 provided between the transparent surface layer 20 and the adhesive layer 30, and the pressure-sensitive adhesive layer 50 provided on the surface of the metal laminated sheet 10 opposite to the transparent surface layer 20. And a release sheet 60 bonded to the exposed surface of the pressure-sensitive adhesive layer 50.

（金属積層シート）
本実施形態における金属積層シート１０は、透明基材層１１と、透明基材層１１の、透明表面層２０側に設けられた金属層１２とを備える。 (Metal laminated sheet)
The metal laminated sheet 10 in the present embodiment includes a transparent base layer 11 and a metal layer 12 provided on the transparent base layer 11 on the transparent surface layer 20 side.

［透明基材層］
透明基材層１１は、化粧シート１の芯材となるものである。なお、本発明においては、「透明」とは、ＪＩＳ Ｋ７１０５に従って測定した全光線透過率が８０％以上、好ましくは９０％以上のことである。
透明基材層１１を構成する樹脂としては、ポリエチレンテレフタレート等のポリエステル、ポリプロピレン等のポリオレフィン、ポリメチルメタクリレート等のアクリル樹脂、塩化ビニル樹脂、フッ素樹脂などが挙げられる。これらの中でも、透明性、可撓性及び機械的強度の点から、ポリエチレンテレフタレートが好ましい。また、ポリエチレンテレフタレートを用いた場合には、２軸延伸フィルムとすることが好ましい。
透明基材層１１は、通常、無着色であるが、着色されていても構わない。
また、透明基材層１１においては、粘着剤層５０との接着強度を向上させるために、粘着剤層５０側の面にプライマを塗布してもよい。プライマとしては、ポリウレタン、ポリエステル等が挙げられる。 [Transparent substrate layer]
The transparent base material layer 11 is a core material of the decorative sheet 1. In the present invention, “transparent” means that the total light transmittance measured according to JIS K7105 is 80% or more, preferably 90% or more.
Examples of the resin constituting the transparent base layer 11 include polyesters such as polyethylene terephthalate, polyolefins such as polypropylene, acrylic resins such as polymethyl methacrylate, vinyl chloride resins, and fluorine resins. Among these, polyethylene terephthalate is preferable in terms of transparency, flexibility, and mechanical strength. Moreover, when polyethylene terephthalate is used, it is preferable to use a biaxially stretched film.
The transparent base material layer 11 is usually uncolored, but may be colored.
Moreover, in the transparent base material layer 11, in order to improve the adhesive strength with the adhesive layer 50, you may apply | coat a primer to the surface at the side of the adhesive layer 50 side. Examples of the primer include polyurethane and polyester.

透明基材層１１の厚さは１０〜１００μｍが好ましく、１２〜５０μｍがより好ましい。透明基材層１１の厚さが前記上限値以下であれば、充分な透明性が確保され、金属層１２の視認性が向上する。また、透明基材層１１の厚さが前記下限値以上であれば、充分な機械的強度が得られる。   10-100 micrometers is preferable and, as for the thickness of the transparent base material layer 11, 12-50 micrometers is more preferable. If the thickness of the transparent base material layer 11 is not more than the above upper limit value, sufficient transparency is ensured, and the visibility of the metal layer 12 is improved. Moreover, if the thickness of the transparent base material layer 11 is more than the said lower limit, sufficient mechanical strength is obtained.

［金属層］
金属層１２は、化粧シート１に金属調の外観を付与するための層である。金属層１２を構成する金属としては、アルミニウム、金、銀、銅、クロム等が挙げられる。
金属層１２は金属蒸着膜であってもよいし、金属箔であってもよい。金属層１２が金属蒸着膜である場合には、透明基材層１１の片面に金属を蒸着させて形成してもよいし、透明基材層１１とは異なる支持体の片面に金属を蒸着させて形成し、これを透明基材層１１に貼付してもよい。金属層１２が金属箔である場合には、接着剤を用いて透明基材層１１に貼付すればよい。 [Metal layer]
The metal layer 12 is a layer for imparting a metallic appearance to the decorative sheet 1. Examples of the metal constituting the metal layer 12 include aluminum, gold, silver, copper, and chromium.
The metal layer 12 may be a metal vapor deposition film or a metal foil. When the metal layer 12 is a metal vapor-deposited film, the metal layer 12 may be formed by vapor-depositing metal on one side of the transparent base material layer 11, or metal may be vapor-deposited on one side of a support different from the transparent base material layer 11. And may be attached to the transparent substrate layer 11. When the metal layer 12 is a metal foil, it may be attached to the transparent substrate layer 11 using an adhesive.

金属層１２の厚さは特に制限はないが、０．０１〜３０μｍであることが好ましく、０．０３〜０．０８μｍであることがより好ましい。金属層１２の厚さが前記下限値以上であれば、化粧シート１に金属調を充分に付与でき、前記上限値以下であれば、充分な可撓性を確保できる。   The thickness of the metal layer 12 is not particularly limited, but is preferably 0.01 to 30 μm, and more preferably 0.03 to 0.08 μm. If the thickness of the metal layer 12 is equal to or greater than the lower limit value, the decorative sheet 1 can be sufficiently imparted with a metallic tone, and if the thickness is equal to or less than the upper limit value, sufficient flexibility can be ensured.

（透明表面層）
透明表面層２０は、光散乱性粒子を含まず且つ表面にエンボス加工が施されていない層であり、非艶消し層となっている。
透明表面層２０を構成する樹脂としては、ポリエチレンタレフタレート、ポリ塩化ビニルが挙げられる。化粧シート１を壁紙として使用する場合には、難燃性を有することから、ポリ塩化ビニルが好ましい。
透明表面層２０は着色されていれば、化粧シート１の意匠性をより向上させることができるが、無着色であっても構わない。
透明表面層２０の厚さは２０〜７００μｍが好ましく、５０〜５００μｍがより好ましい。透明表面層２０の厚さが前記下限値以上であれば、より深みのある金属調にすることができ、また、機械的強度を向上させることができ、前記上限値以下であれば、充分な可撓性を確保できる。 (Transparent surface layer)
The transparent surface layer 20 is a layer which does not contain light scattering particles and whose surface is not embossed, and is a non-matt layer.
Examples of the resin constituting the transparent surface layer 20 include polyethylene terephthalate and polyvinyl chloride. When the decorative sheet 1 is used as wallpaper, polyvinyl chloride is preferable because it has flame retardancy.
If the transparent surface layer 20 is colored, the design of the decorative sheet 1 can be further improved, but it may be uncolored.
20-700 micrometers is preferable and, as for the thickness of the transparent surface layer 20, 50-500 micrometers is more preferable. If the thickness of the transparent surface layer 20 is equal to or greater than the lower limit, a deeper metallic tone can be obtained, and mechanical strength can be improved. Flexibility can be ensured.

（接着剤層）
接着剤層３０は、金属積層シート１０と透明表面層２０とを接着可能な接着剤から構成される。
接着剤としては、例えば、アクリル系ホットメルト接着剤、エチレン酢酸ビニル系ホットメルト接着剤、スチレン−ブタジエンゴム溶液系接着剤、スチレン−ブタジエンゴムエマルジョン系接着剤、アクリル溶液系接着剤等を用いることができる。これらの中でも、熱ラミネートを適用できることから、アクリル系ホットメルト接着剤、エチレン酢酸ビニル系ホットメルト接着剤が好ましい。
接着剤層３０は、通常、無着色であるが、着色されていても構わない。 (Adhesive layer)
The adhesive layer 30 is composed of an adhesive capable of bonding the metal laminate sheet 10 and the transparent surface layer 20.
As an adhesive, for example, an acrylic hot melt adhesive, an ethylene vinyl acetate hot melt adhesive, a styrene-butadiene rubber solution adhesive, a styrene-butadiene rubber emulsion adhesive, an acrylic solution adhesive, or the like is used. Can do. Among these, an acrylic hot melt adhesive and an ethylene vinyl acetate hot melt adhesive are preferable because a thermal laminate can be applied.
The adhesive layer 30 is usually uncolored, but may be colored.

接着剤層３０における光散乱性粒子の含有量は、接着剤１００質量部に対して０．０３〜１０質量部であることが好ましく、０．０５〜３質量部であることがより好ましい。光散乱性粒子の含有量が前記下限値以上であれば、充分な艶消し効果が得られ、前記上限値以下であれば、充分な光透過性を確保でき、金属層１２を充分に視認できる。   The content of the light scattering particles in the adhesive layer 30 is preferably 0.03 to 10 parts by mass and more preferably 0.05 to 3 parts by mass with respect to 100 parts by mass of the adhesive. If the content of the light-scattering particles is not less than the lower limit value, a sufficient matting effect can be obtained, and if the content is not more than the upper limit value, sufficient light transmission can be ensured and the metal layer 12 can be sufficiently visually recognized. .

接着剤層３０の厚さは、１〜５０μｍであることが好ましく、２〜２０μｍであることがより好ましく、３〜５μｍであることが特に好ましい。接着剤層３０の厚さが前記下限値以上であれば、充分な接着強度で透明基材層１１と透明表面層２０とを接着でき、前記上限値以下であれば、接着剤層３０を容易に形成できる。   The thickness of the adhesive layer 30 is preferably 1 to 50 μm, more preferably 2 to 20 μm, and particularly preferably 3 to 5 μm. If the thickness of the adhesive layer 30 is equal to or greater than the lower limit value, the transparent base layer 11 and the transparent surface layer 20 can be bonded with sufficient adhesive strength, and if the thickness is equal to or smaller than the upper limit value, the adhesive layer 30 is easy. Can be formed.

（印刷層）
印刷層４０は、透明表面層２０の裏面（接着剤層３０側の面）に印刷されて形成された層、透明プラスチックフィルムに印刷が施された印刷シートが挙げられる。
いずれの場合も印刷層４０は、印刷によって絵柄や模様が形成されている。絵柄、模様としては、例えば、木目、石目、布目、砂目、タイル貼模様、煉瓦積模様、皮絞模様、幾何学模様、文字、記号、全面印刷等が挙げられる。これら絵柄および模様は組み合わせることもできる。 (Print layer)
Examples of the printing layer 40 include a layer formed by printing on the back surface (surface on the adhesive layer 30 side) of the transparent surface layer 20, and a printing sheet on which printing is performed on the transparent plastic film.
In either case, the print layer 40 has a pattern or pattern formed by printing. Examples of the design and pattern include wood grain, stone grain, cloth grain, sand grain, tiled pattern, brickwork pattern, leather pattern, geometric pattern, characters, symbols, full surface printing, and the like. These patterns and patterns can be combined.

印刷で使用されるインキは、バインダ樹脂と着色剤とを含有する。
バインダ樹脂としては、アクリル樹脂、塩化ビニル−酢酸ビニル共重合体、塩素化ポリプロピレン、ポリエステル樹脂、セルロース系樹脂、ウレタン系樹脂などが挙げられる。
着色剤としては、例えば、チタン白、亜鉛華、カーボンブラック、鉄黒、弁柄、クロムバーミリオン、カドミウムレッド、群青、コバルトブルー、黄鉛、チタンイエロー等の無機顔料、フタロシアニンブルー、インダンスレンブルー、イソインドリノンイエロー、ベンジルジンイエロー、キナクリドンレッド、ポリアゾレッド、ベリレンレッド、アニリンブラック等の有機顔料、アルミニウム、真鍮等の鱗片状箔粉等の真珠光沢（パール）顔料が挙げられる。上記着色剤は、１種又は２種以上を組み合わせて使用することができる。 The ink used in printing contains a binder resin and a colorant.
Examples of the binder resin include acrylic resin, vinyl chloride-vinyl acetate copolymer, chlorinated polypropylene, polyester resin, cellulose resin, and urethane resin.
Examples of the colorant include inorganic pigments such as titanium white, zinc white, carbon black, iron black, petal, chrome vermillion, cadmium red, ultramarine, cobalt blue, yellow lead, and titanium yellow, phthalocyanine blue, and indanthrene. Examples thereof include organic pigments such as blue, isoindolinone yellow, benzylidine yellow, quinacridone red, polyazo red, berylene red, and aniline black, and pearlescent pigments such as scaly foil powder such as aluminum and brass. The colorants can be used alone or in combination of two or more.

（粘着剤層）
粘着剤層５０は、壁等の被着体に化粧シート１を貼着可能な粘着剤から構成される。
粘着剤としては、アクリル系粘着剤、ウレタン系粘着剤、ゴム系粘着剤、酢酸ビニル系粘着剤等が挙げられるが、粘着性、耐候性及び汎用性の点から、アクリル系粘着剤が好ましい。
アクリル重合体を構成する単量体単位としては、例えば、（メタ）アクリル酸メチル、（メタ）アクリル酸エチル、（メタ）アクリル酸ｎ−プロピル、（メタ）アクリル酸ブチルなどの（メタ）アクリル酸アルキルエステルなどが挙げられる。
また、アクリル系粘着剤には粘着付与剤が含まれてもよい。粘着付与剤としては、ロジン系、テルペン系、フェノール系、クマロン系などの粘着付与剤が挙げられる。 (Adhesive layer)
The pressure-sensitive adhesive layer 50 is composed of a pressure-sensitive adhesive capable of sticking the decorative sheet 1 to an adherend such as a wall.
Examples of the pressure-sensitive adhesive include acrylic pressure-sensitive adhesives, urethane-based pressure-sensitive adhesives, rubber-based pressure-sensitive adhesives, and vinyl acetate-based pressure-sensitive adhesives, but acrylic pressure-sensitive adhesives are preferred from the viewpoints of pressure-sensitive adhesiveness, weather resistance, and versatility.
Examples of the monomer unit constituting the acrylic polymer include (meth) acrylic such as methyl (meth) acrylate, ethyl (meth) acrylate, n-propyl (meth) acrylate, and butyl (meth) acrylate. Examples include acid alkyl esters.
The acrylic pressure-sensitive adhesive may contain a tackifier. Examples of the tackifier include rosin-based, terpene-based, phenol-based and coumarone-based tackifiers.

粘着剤層５０の厚さは特に制限はないが、３０〜１００μｍであることが好ましい。粘着剤層５０の厚さが前記下限値以上であれば、化粧シート１を被着体に貼着させた際に充分な貼着強度を確保でき、前記上限値以下であれば、粘着剤層５０を容易に形成できる。   Although there is no restriction | limiting in particular in the thickness of the adhesive layer 50, It is preferable that it is 30-100 micrometers. When the thickness of the pressure-sensitive adhesive layer 50 is equal to or greater than the lower limit value, sufficient adhesive strength can be secured when the decorative sheet 1 is adhered to the adherend, and when the thickness is equal to or smaller than the upper limit value, the pressure-sensitive adhesive layer. 50 can be formed easily.

（離型シート）
離型シート６０は、粘着剤が接着しないものであれば制限されず、例えば、ポリエチレンテレフタレート、ポリエチレン、ポリプロピレンからなるシート、シリコーンなどの離型剤がコーティングされた紙などが挙げられる。
離型シート６０の厚さは、取扱性やコストなどを点から、２５〜５０μｍであることが好ましい。 (Release sheet)
The release sheet 60 is not limited as long as the adhesive does not adhere thereto, and examples thereof include a sheet made of polyethylene terephthalate, polyethylene, and polypropylene, and paper coated with a release agent such as silicone.
The thickness of the release sheet 60 is preferably 25 to 50 μm from the viewpoint of handleability and cost.

（艶消しの方法）
本実施形態の化粧シート１においては、透明基材層１１及び接着剤層３０の少なくとも一方が艶消し層になっており、透明表面層２０は非艶消し層になっている。ここで、「艶消し」とは、ＪＩＳ Ｚ８１０５に従って測定した光沢度（％）を５％以上低下させることであり、「非艶消し」は、光沢度の低下が５％未満のことである。 (Matte method)
In the decorative sheet 1 of the present embodiment, at least one of the transparent base material layer 11 and the adhesive layer 30 is a matte layer, and the transparent surface layer 20 is a non-matte layer. Here, “matte” is to reduce the glossiness (%) measured according to JIS Z8105 by 5% or more, and “non-matte” is that the glossiness is less than 5%.

本実施形態において、透明基材層１１が艶消し層である場合、艶消し方法としては、透明基材層１１の金属層１２側の面にあらかじめエンボス加工を施す方法が採られる。透明基材層１１の金属層１２側の面にあらかじめエンボス加工を施すと、金属層１２の、透明表面層２０側の面に凹凸を形成でき、金属光沢を抑制することができる。
接着剤層３０が艶消し層である場合、艶消し方法としては、接着剤と屈折率が異なる光散乱性粒子を含有させて接着剤層３０に入射した光を散乱させる方法、接着剤層３０の表面をあらかじめエンボス加工して、接着剤層３０に入射する光を散乱させる方法を採ればよい。接着剤層３０に入射した光を散乱させることにより、金属層１２の金属光沢を抑制することができる。
光散乱性粒子の材質としては、シリカ、シリカ−アルミナ、酸化チタン、チタニア、炭酸カルシウム、カーボン等の無機材料、アクリル樹脂、ウレタン樹脂等の有機材料が挙げられる。
光散乱性粒子は、接着剤層３０を構成する樹脂との屈折率差が、光散乱性がより高くなり、艶消し効果がより高くなることから、０．１以上であることが好ましく、０．２以上であることがより好ましい。
光散乱性粒子の形状は特に制限されず、例えば、球状、鱗片状、多面体状、針状が挙げられる。光散乱性粒子の体積平均粒子径は０．１〜１００μｍであることが好ましく、０．５〜５０μｍであることがより好ましい。 In this embodiment, when the transparent base material layer 11 is a matte layer, as a matting method, the method of embossing previously on the surface at the side of the metal layer 12 of the transparent base material layer 11 is taken. When embossing is performed in advance on the surface of the transparent base layer 11 on the metal layer 12 side, irregularities can be formed on the surface of the metal layer 12 on the transparent surface layer 20 side, and the metallic luster can be suppressed.
When the adhesive layer 30 is a matte layer, the matte method includes a method of scattering light incident on the adhesive layer 30 by containing light scattering particles having a refractive index different from that of the adhesive, and the adhesive layer 30. What is necessary is just to take the method of embossing the surface of this and to scatter the light which injects into the adhesive bond layer 30 previously. By scattering the light incident on the adhesive layer 30, the metallic luster of the metal layer 12 can be suppressed.
Examples of the material for the light scattering particles include inorganic materials such as silica, silica-alumina, titanium oxide, titania, calcium carbonate, and carbon, and organic materials such as acrylic resin and urethane resin.
The light scattering particles preferably have a refractive index difference from the resin constituting the adhesive layer 30 of 0.1 or more because the light scattering property is higher and the matting effect is higher. .2 or more is more preferable.
The shape of the light scattering particles is not particularly limited, and examples thereof include a spherical shape, a scale shape, a polyhedral shape, and a needle shape. The volume average particle diameter of the light-scattering particles is preferably 0.1 to 100 μm, and more preferably 0.5 to 50 μm.

（製造方法）
上記実施形態の化粧シートは、例えば、以下の製造方法で製造することができる。
すなわち、まず、透明基材層１１の一方の面に、金属蒸着又は金属箔の貼付により、金属層１２を設けて、金属積層シート１０を得る。
次いで、透明表面層２０の片面に、印刷を施す又は印刷シートを積層するなどして、印刷層４０を設ける。なお、印刷シートを積層する場合には、接着剤を用いてまたは熱ラミネートにより透明表面層２０に接着する。
次いで、金属層１２の露出面に、接着剤を含む接着剤形成用塗工液を塗工、乾燥させて接着剤層３０を形成する。その際の塗工方法としては、例えば、バーコート法、ロールコート法、ブレードコート法、リバースコート法、グラビアコート法、ダイコート法、コンマコート法などが挙げられる。
次いで、金属層１２と、印刷層４０を設けた透明表面層２０とを、接着剤層３０により貼り合せる。
次いで、離型シート６０に粘着剤層５０が積層した粘着シートを、粘着剤層５０により、透明基材層１１に貼り合せて、化粧シート１を得る。 (Production method)
The decorative sheet of the above embodiment can be manufactured, for example, by the following manufacturing method.
That is, first, the metal layer 12 is provided on one surface of the transparent base material layer 11 by metal vapor deposition or metal foil sticking to obtain the metal laminated sheet 10.
Next, the printing layer 40 is provided on one surface of the transparent surface layer 20 by printing or laminating a printing sheet. In addition, when laminating | stacking a printing sheet, it adhere | attaches on the transparent surface layer 20 using an adhesive agent or by heat lamination.
Next, the adhesive layer 30 is formed by applying and drying an adhesive forming coating solution containing an adhesive on the exposed surface of the metal layer 12. Examples of the coating method at that time include a bar coating method, a roll coating method, a blade coating method, a reverse coating method, a gravure coating method, a die coating method, and a comma coating method.
Next, the metal layer 12 and the transparent surface layer 20 provided with the printing layer 40 are bonded together by the adhesive layer 30.
Next, the pressure-sensitive adhesive sheet in which the pressure-sensitive adhesive layer 50 is laminated on the release sheet 60 is bonded to the transparent base material layer 11 by the pressure-sensitive adhesive layer 50 to obtain the decorative sheet 1.

（作用効果）
上記実施形態の化粧シート１では、金属層１２の金属光沢を抑えることができるため、高級感のある金属調にすることができる。
また、透明表面層２０が非艶消し層であることにより、金属光沢が抑制された金属調に深みを付与することができ、化粧シート１の意匠性を向上させることができる。
また、本実施形態の化粧シート１は、印刷層４０を備えるため、意匠性をより向上させることができる。
また、本実施形態の化粧シート１では、離型シート６０を剥離することによって露出する粘着剤層５０により、被着体に容易に貼着することができる。 (Function and effect)
In the decorative sheet 1 of the said embodiment, since the metallic luster of the metal layer 12 can be suppressed, it can be set as a high-quality metallic tone.
Moreover, when the transparent surface layer 20 is a non-glossy layer, depth can be given to the metallic tone in which metallic luster is suppressed, and the design of the decorative sheet 1 can be improved.
Moreover, since the decorative sheet 1 of this embodiment is provided with the printing layer 40, it can improve the designability more.
Moreover, in the decorative sheet 1 of this embodiment, it can stick to an adherend easily by the adhesive layer 50 exposed by peeling the release sheet 60.

（他の実施形態）
なお、本発明は、上記実施形態に限定されない。
例えば、金属積層シートの金属層を粘着剤層側に配置してもよい。その場合の透明基材層の艶消し方法は、透明基材層の少なくとも一方の面をエンボス加工する方法、透明基材層を構成する樹脂と屈折率が異なる光散乱性粒子を含有させて、透明基材層に入射した光を散乱させる方法を採ればよい。
透明基材層に含まれる光散乱性粒子としては、接着剤層を艶消しにするために使用される光散乱性粒子と同様のものを使用することができる。
光散乱性粒子は、透明基材層を構成する樹脂との屈折率差が、光散乱性がより高くなり、艶消し効果がより高くなることから、０．１以上であることが好ましく、０．２以上であることがより好ましい。
透明基材層における光散乱性粒子の含有量は、透明基材層を構成する樹脂１００質量部に対して０．０３〜１０質量部であることが好ましく、０．０５〜３質量部であることがより好ましい。光散乱性粒子の含有量が前記下限値以上であれば、充分な艶消し効果が得られ、前記上限値以下であれば、充分な光透過性を確保でき、金属層を充分に視認できる。 (Other embodiments)
In addition, this invention is not limited to the said embodiment.
For example, you may arrange | position the metal layer of a metal lamination sheet to the adhesive layer side. In that case, the matting method of the transparent base material layer includes a method of embossing at least one surface of the transparent base material layer, containing light scattering particles having a refractive index different from that of the resin constituting the transparent base material layer, What is necessary is just to take the method of scattering the light which injected into the transparent base material layer.
As the light-scattering particles contained in the transparent substrate layer, the same light-scattering particles used for matting the adhesive layer can be used.
The light scattering particles preferably have a refractive index difference with the resin constituting the transparent base material layer of 0.1 or more because the light scattering property is higher and the matting effect is higher. .2 or more is more preferable.
The content of the light scattering particles in the transparent substrate layer is preferably 0.03 to 10 parts by mass, and 0.05 to 3 parts by mass with respect to 100 parts by mass of the resin constituting the transparent substrate layer. It is more preferable. If the content of the light-scattering particles is not less than the lower limit value, a sufficient matting effect can be obtained, and if the content is not more than the upper limit value, sufficient light transmission can be ensured and the metal layer can be sufficiently visually recognized.

また、本発明の化粧シートにおいては、印刷層を備えていなくてもよい。印刷層を備えていなくても金属層のみで意匠性を向上させることができる。
また、本発明の化粧シートは、粘着剤層及び離型シートを備えていなくてもよい。粘着剤層及び離型シートを備えない化粧シートを被着体に貼着する際には、金属層の、透明基材層とは反対側の面に接着剤を塗布し又は被着体に接着剤を塗布し、該接着剤を介して化粧シートを貼着すればよい。 Moreover, the decorative sheet of the present invention may not include a printing layer. Even if the printed layer is not provided, the design property can be improved only by the metal layer.
Moreover, the decorative sheet of the present invention may not include an adhesive layer and a release sheet. When sticking a decorative sheet that does not have an adhesive layer and a release sheet to an adherend, apply an adhesive to the surface of the metal layer opposite to the transparent substrate layer or adhere to the adherend. What is necessary is just to apply | coat an agent and stick a decorative sheet through this adhesive agent.

（用途）
本発明の化粧シートは、例えば、建物の外壁、内壁、柱又は天井、住宅の玄関扉などの建築部材に貼着される壁紙として好適に使用することができる。また、本発明の化粧シートは、自動車の外装・内装、車両・船舶の外装・内装、看板・サインなどにも使用可能である。 (Use)
The decorative sheet of the present invention can be suitably used, for example, as wallpaper to be attached to a building member such as an outer wall, an inner wall, a column or ceiling of a building, and a front door of a house. The decorative sheet of the present invention can also be used for the exterior / interior of automobiles, the exterior / interior of vehicles / ships, signboards / signs, and the like.

（実施例１）
カレンダー成形により得た透明なポリ塩化ビニルのシート（厚さ：１３８μｍ）の片面に、塩化ビニル−酢酸ビニル系インク（ＳＸインク 昭和インク工業所製）を用いてグラビア印刷（木目、抽象柄３〜４版）を施して、印刷層を形成した。
また、マット調ポリエチレンテレフタレートフィルム（ＰＴＨＺ−１２、ユニチカ製）の片面に、アルミニウムの蒸着を施して金属層を形成し、金属積層シートを得た。
次いで、上記の金属層の表面に、ポリエステル系接着剤（主剤：ＡＤ５８１、東洋モートン製 硬化剤：ＡＤＲＴ−８、東洋モートン製）をマイクログラビアにより、乾燥塗布量が１５ｇ／ｍ２となるように塗布して、接着剤層を形成した。
次いで、この接着剤層を用いて、上記印刷層を形成したポリ塩化ビニルシートと、上記金属積層シートとを、金属層上の接着剤層と印刷層とが接するように貼り合せ、５０℃で３日間養生した。
次いで、ポリ塩化ビニルシートの表側にエンボス加工を施し、マット調ポリエチレンテレフタレートフィルムの、金属層とは反対側（裏面側）に、アクリル系粘着剤（ＢＰＡ−００１Ａ 藤倉化成製）をコンマコーターにより、乾燥塗布量が約４５ｇ／ｍ２となるように塗布して、粘着剤層を形成した。次いで、その粘着剤層に離型紙を貼り合せ、３５℃で２日間養生した。これにより、化粧シートを得た。 (Example 1)
Gravure printing (wood grain, abstract pattern 3) on one side of a transparent polyvinyl chloride sheet (thickness: 138 μm) obtained by calendering, using vinyl chloride-vinyl acetate ink (SX ink Showa Ink Industries). (4th edition) was applied to form a printing layer.
Further, a metal layer was formed by vapor-depositing aluminum on one side of a matte polyethylene terephthalate film (PTHZ-12, manufactured by Unitika) to obtain a metal laminated sheet.
Next, a polyester adhesive (main agent: AD581, Toyo Morton hardener: ADRT-8, Toyo Morton) is applied to the surface of the metal layer by a microgravure so that the dry coating amount is 15 g / m 2. It was applied to form an adhesive layer.
Next, using the adhesive layer, the polyvinyl chloride sheet on which the printed layer is formed and the metal laminated sheet are bonded so that the adhesive layer on the metal layer and the printed layer are in contact with each other at 50 ° C. Cured for 3 days.
Next, the front side of the polyvinyl chloride sheet is embossed, and the acrylic adhesive (BPA-001A manufactured by Fujikura Kasei) on the opposite side (back side) of the matte polyethylene terephthalate film with a comma coater, The pressure-sensitive adhesive layer was formed by coating so that the dry coating amount was about 45 g / m 2 . Next, a release paper was bonded to the adhesive layer and cured at 35 ° C. for 2 days. Thereby, a decorative sheet was obtained.

（比較例１）
マット調ポリエチレンテレフタレートフィルムの代わりに、表面に凹凸のない厚さ１６μｍのポリエチレンテレフタレートフィルム（Ａ４１００、東洋紡績製）を用いたこと以外は実施例１と同様にして化粧シートを得た。 (Comparative Example 1)
A decorative sheet was obtained in the same manner as in Example 1 except that instead of the matte polyethylene terephthalate film, a polyethylene terephthalate film (A4100, manufactured by Toyobo Co., Ltd.) having a thickness of 16 μm and no irregularities on the surface was used.

［評価］
各例の化粧シートについて、ＪＩＳ Ｚ８７４１に準拠し、ポリ塩化ビニルシート側の面の６０°鏡面光沢を測定した。その結果、実施例１では１５〜１６であり、比較例１では２１〜２２であった。すなわち、実施例１の化粧シートでは、光沢が適度に抑えられていた。 [Evaluation]
With respect to the decorative sheet of each example, the 60 ° specular gloss of the surface on the side of the polyvinyl chloride sheet was measured according to JIS Z8741. As a result, in Example 1, it was 15-16, and in Comparative Example 1, it was 21-22. That is, in the decorative sheet of Example 1, the gloss was moderately suppressed.

１ 化粧シート
１１ 透明基材層
１２ 金属層
２０ 透明表面層
３０ 接着剤層
４０ 印刷層
５０ 粘着剤層
６０ 離型シート DESCRIPTION OF SYMBOLS 1 Decorative sheet 11 Transparent base material layer 12 Metal layer 20 Transparent surface layer 30 Adhesive layer 40 Print layer 50 Adhesive layer 60 Release sheet

Claims (3)

ポリエチレンテレフタレートフィルムからなる透明基材層の片面に金属層が設けられた金属積層シートと、該金属積層シートの金属層側の面に形成された接着剤層と、該接着剤層の、前記金属積層シートとは反対側の面に設けられた厚さ５０〜５００μｍの透明表面層とを備え、
前記透明基材層及び前記接着剤層の少なくとも一方が艶消し層であることを特徴とする化粧シート。 A metal laminate sheet metal layer is provided on one surface of a transparent substrate layer made of a polyethylene terephthalate film, an adhesive layer formed on the surface of the metal layer side of the metal laminate sheets, the adhesive layer, the metal A transparent surface layer having a thickness of 50 to 500 μm provided on the surface opposite to the laminated sheet ,
A decorative sheet, wherein at least one of the transparent base material layer and the adhesive layer is a matte layer. 前記金属積層シートの、透明表面層とは反対側に、粘着剤層を備える、請求項１に記載の化粧シート。   The decorative sheet according to claim 1, further comprising a pressure-sensitive adhesive layer on a side opposite to the transparent surface layer of the metal laminate sheet. 前記透明表面層と前記接着剤層との間に、印刷層を備える、請求項１又は２に記載の化粧シート。   The decorative sheet according to claim 1, further comprising a printing layer between the transparent surface layer and the adhesive layer.
JP2012084101A 2012-04-02 2012-04-02 Decorative sheet Active JP5903314B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2012084101A JP5903314B2 (en) 2012-04-02 2012-04-02 Decorative sheet
PCT/JP2013/058443 WO2013150904A1 (en) 2012-04-02 2013-03-22 Decorative sheet

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