JP5075887B2 - Hydraulic transfer sheet and manufacturing method thereof - Google Patents

Hydraulic transfer sheet and manufacturing method thereof Download PDF

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JP5075887B2
JP5075887B2 JP2009176396A JP2009176396A JP5075887B2 JP 5075887 B2 JP5075887 B2 JP 5075887B2 JP 2009176396 A JP2009176396 A JP 2009176396A JP 2009176396 A JP2009176396 A JP 2009176396A JP 5075887 B2 JP5075887 B2 JP 5075887B2
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transparent resin
layer
water
transfer sheet
hydraulic transfer
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JP2009241613A (en
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真司 加藤
猛司 北村
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DIC Decor Inc
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DIC Decor Inc
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本発明は、曲面又は凹凸面を有する家具・建具、車両等の部品の表面化粧に使用される水圧転写シート及びその製造方法に関し、特に、転写物に安定したホログラム効果をもたらす水圧転写シート及びその製造方法に関する。   TECHNICAL FIELD The present invention relates to a hydraulic transfer sheet used for surface decoration of furniture, joinery, vehicles and the like having a curved surface or an uneven surface, and a manufacturing method thereof, and more particularly, to a hydraulic transfer sheet that provides a stable hologram effect on a transfer product and its It relates to a manufacturing method.

水圧転写技術は、特公昭５２−４１６８２号公報に示されているように、薄膜（フィルム）にパターンを印刷し、この薄膜を、印刷面を上にして液体表面上に浮かべ、前記印刷面上に物体を押圧しつつその全部又は一部を液中に沈め、液体の圧力により上記パターンを物体表面に転写し、その後薄膜を物体表面から除去する印刷技術として知られている。また、特公昭５７−５０５４７号公報に示されているように、薄膜を水溶性とする印刷方法も知られている。
特公昭５２−４１６８２号公報 特公昭５７−５０５４７号公報 As shown in Japanese Patent Publication No. 52-41682 , the hydraulic transfer technique prints a pattern on a thin film (film) and floats the thin film on the liquid surface with the printing surface facing up. It is known as a printing technique in which an object is pressed on the surface, all or a part thereof is submerged in the liquid, the pattern is transferred to the object surface by the pressure of the liquid, and then the thin film is removed from the object surface. Further, as disclosed in Japanese Patent Publication No. 57-50547, a printing method for making a thin film water-soluble is also known.
Japanese Examined Patent Publication No. 52-41682 Japanese Patent Publication No.57-50547

従来のいずれの水圧転写シートも曲面又は凹凸面のような複雑な外形形状を有する物体表面の化粧に適している。前記の水溶性の薄膜（フィルム）を含む水圧転写シートにおいて、その水溶性フィルムは転写中に水に溶けて消失し、透明な樹脂層と蒸着金属層とによるシートが転写物の表面を覆って化粧効果を発揮する。その化粧効果は、透明樹脂層に施したエンボスとこの透明樹脂層に隣接する蒸着金属層とによるホログラム効果、または透明樹脂層とこれに隣接する蒸着金属層に施したエンボスとによるホログラム効果である。このホログラム効果のほか、印刷層があるときはもちろん絵柄模様の印刷による装飾効果が付加される。   Any of the conventional hydraulic transfer sheets is suitable for makeup of an object surface having a complicated outer shape such as a curved surface or an uneven surface. In the hydraulic transfer sheet including the water-soluble thin film (film), the water-soluble film dissolves and disappears in water during transfer, and the sheet of the transparent resin layer and the deposited metal layer covers the surface of the transferred material. Demonstrate the makeup effect. The cosmetic effect is a hologram effect by the embossing applied to the transparent resin layer and the vapor deposition metal layer adjacent to the transparent resin layer, or the hologram effect by the embossing applied to the transparent resin layer and the vapor deposition metal layer adjacent thereto. . In addition to this hologram effect, a decorative effect by printing a pattern is of course added when there is a printed layer.

ところで、ホログラム効果を安定して得るためには、蒸着装置における一定の真空度の下で金属材料の蒸着が行われることが必要である。しかし、水圧転写シートにとって不可欠の要素である水溶性フィルムは高い吸水性を有し、蒸着装置における真空度は、該水溶性フィルムに含まれる水分のためにしばしば変化し、蒸着にムラが生じるという問題がある。この蒸着ムラを生じたとき、所望のホログラム効果を得ることはできない。   By the way, in order to stably obtain the hologram effect, it is necessary to deposit a metal material under a certain degree of vacuum in a deposition apparatus. However, a water-soluble film that is an indispensable element for a hydraulic transfer sheet has high water absorption, and the degree of vacuum in a vapor deposition apparatus often changes due to moisture contained in the water-soluble film, resulting in uneven deposition. There's a problem. When this deposition unevenness occurs, a desired hologram effect cannot be obtained.

本発明の目的は、水圧転写シートの製造過程における上記の問題に解決を与えることにあり、水溶性フィルムに含まれる水分を調整して、蒸着装置における真空度の変化を最小限にし、蒸着の安定化をはかってホログラム効果を確保することにある。   An object of the present invention is to provide a solution to the above-described problems in the manufacturing process of a hydraulic transfer sheet, by adjusting the moisture contained in the water-soluble film, minimizing the change in the degree of vacuum in the vapor deposition apparatus, The purpose is to ensure the hologram effect by stabilizing.

本発明は、上記の目的を達成するために、水圧転写シートを構成する水溶性フィルムの含水率を一定値以下にすることを基本構想とするものであり、本発明らの知見によれば、その含水率を７％以下にすることにより、水圧転写シートによるホログラム効果を安定的に確保することができる。   In order to achieve the above object, the present invention has a basic concept of setting the water content of the water-soluble film constituting the hydraulic transfer sheet to a certain value or less. According to the knowledge of the present invention, By setting the moisture content to 7% or less, the hologram effect by the hydraulic transfer sheet can be secured stably.

したがって、本発明に係る水圧転写シートは、含水率が７％以下である水溶性フィルムと、該水溶性フィルム上の透明樹脂層と、該透明樹脂層上の蒸着金属層とからなり、該蒸着金属層の表面にエンボスが施されている。前記水溶性フィルムと前記透明樹脂層との間に印刷層を備えることができる。 Accordingly, the hydraulic transfer sheet according to the present invention comprises a water-soluble film having a water content of 7% or less, a transparent resin layer on the water-soluble film, and a vapor-deposited metal layer on the transparent resin layer. The metal layer has an embossed surface . A printing layer can be provided between the water-soluble film and the transparent resin layer.

他方、本発明に係る水圧転写シートの製造方法は、含水率が７％以下である水溶性フィルム上に透明樹脂を塗布して透明樹脂層を形成し、該透明樹脂層上に金属材料を蒸着して蒸着金属層を形成し、該蒸着金属層の表面にエンボスを施すことを特徴とする。また、水圧転写シートに印刷層を設けるときは、含水率が７％以下である水溶性フィルム上に印刷を施して印刷層を形成し、該印刷層上に透明樹脂を塗布して透明樹脂層を形成し、該透明樹脂層上に金属材料を蒸着して蒸着金属層を形成し、該蒸着金属層の表面にエンボスを施す。   On the other hand, in the method for producing a hydraulic transfer sheet according to the present invention, a transparent resin is formed on a water-soluble film having a water content of 7% or less to form a transparent resin layer, and a metal material is deposited on the transparent resin layer. Then, a vapor-deposited metal layer is formed, and the surface of the vapor-deposited metal layer is embossed. Further, when a printing layer is provided on the hydraulic transfer sheet, printing is performed on a water-soluble film having a water content of 7% or less to form a printing layer, and a transparent resin is applied on the printing layer to form a transparent resin layer. And depositing a metal material on the transparent resin layer to form a deposited metal layer, and embossing the surface of the deposited metal layer.

本発明に係る水転写シート１０においては、図１，２に示すように、エンボス１８が蒸着金属層１６に施されている。すなわち、図１に示す水圧転写シート１０は、含水率が７％以下である水溶性フィルム１２と、該水溶性フィルム上の透明樹脂層１４と、該透明樹脂層上の蒸着金属層１６とからなり、該蒸着金属層の表面にエンボス１８が施されている。図２に示す水圧転写シート１０は、前記の水溶性フィルム１２と透明樹脂層１４との間に印刷層２０を有する。 In the water transfer sheet 10 according to the present invention , as shown in FIGS. 1 and 2 , an emboss 18 is applied to the deposited metal layer 16. That is, the hydraulic transfer sheet 10 shown in FIG. 1 includes a water-soluble film 12 having a water content of 7% or less, a transparent resin layer 14 on the water-soluble film, and a vapor-deposited metal layer 16 on the transparent resin layer. Thus, an emboss 18 is provided on the surface of the deposited metal layer. The hydraulic transfer sheet 10 shown in FIG. 2 has a printing layer 20 between the water-soluble film 12 and the transparent resin layer 14.

水圧転写シート１０の製造に際して、含水率が７％以下である水溶性フィルム１２上に透明樹脂を塗布して透明樹脂層１４を形成し、該透明樹脂層上に金属材料を蒸着して蒸着金属層１６を形成し、該蒸着金属層の表面にエンボス１８を施す。印刷層２０を設ける際は、前記の水溶性フィルム１２上に印刷を施して印刷層２０を形成し、該印刷層上に透明樹脂を塗布して透明樹脂層１４を形成し、該透明樹脂層上に金属材料を蒸着して蒸着金属層１６を形成し、該蒸着金属層の表面にエンボス１８を施す。 In the production of the hydraulic transfer sheet 10 , a transparent resin is applied on the water-soluble film 12 having a water content of 7% or less to form a transparent resin layer 14, and a metal material is vapor-deposited on the transparent resin layer to form a deposited metal. Layer 16 is formed and embossed 18 is applied to the surface of the deposited metal layer. When the printing layer 20 is provided, printing is performed on the water-soluble film 12 to form the printing layer 20, and a transparent resin is applied on the printing layer to form the transparent resin layer 14, and the transparent resin layer A metal material is vapor-deposited thereon to form a vapor-deposited metal layer 16, and an emboss 18 is applied to the surface of the vapor-deposited metal layer.

図１，２に示す本発明の実施例においても、水溶性フィルム１２の材料として、ポリビニルアルコール（ＰＶＡ）を使用することができ、透明樹脂層１４の材料として、熱可塑性樹脂、熱硬化性樹脂又はラジカル重合樹脂を使用することができ、さらに、銅、クロム等の重金属を使用することができ、また酸化アルミニウム、二酸化ケイ素等の酸化金属を使用することができ、さらにアルミニウムを使用することもできる。蒸着金属層１６の厚さは１５０〜８００Åとすることができる。またエンボス１８の深さは０．５〜２μとすることができる。 1 and 2 , polyvinyl alcohol (PVA) can be used as the material for the water-soluble film 12, and thermoplastic resin and thermosetting resin can be used as the material for the transparent resin layer 14. Alternatively, a radical polymerization resin can be used, furthermore, heavy metals such as copper and chromium can be used, and metal oxides such as aluminum oxide and silicon dioxide can be used, and aluminum can also be used. it can. The thickness of the deposited metal layer 16 can be 150 to 800 mm. Further, the depth of the emboss 18 can be set to 0.5 to 2 μm.

（実施例）
３０μ厚のＰＶＡフィルムからなる水溶性フィルムに硝化綿・アルキッド系インキを用いて絵柄を印刷して印刷層を形成した。この印刷層上に硝化綿・アルキッド系の透明な樹脂を３μの厚さで塗布して透明樹脂層を形成した。さらにその透明樹脂層上にアルミニウムを蒸着して３５０Å厚の蒸着金属層を形成し、この蒸着金属層の表面に深さが１μのエンボスをエンボスローラを用いて形成した。これにより図２示す構成の水圧転写シートを得た。この水圧転写を使用してＡＢＳの成形品に水圧転写を行ったところ、印刷模様とホログラム効果とが相互に作用した、干渉色の強いホログラム模様を観察することができた。 (Example)
A print layer was formed by printing a pattern on a water-soluble film composed of a 30 μm thick PVA film using nitrified cotton / alkyd ink. A transparent resin layer was formed by applying a nitrified cotton / alkyd transparent resin in a thickness of 3 μm on the printed layer . Further , aluminum was vapor-deposited on the transparent resin layer to form a vapor-deposited metal layer having a thickness of 350 mm, and an emboss having a depth of 1 μm was formed on the surface of the vapor-deposited metal layer using an embossing roller . Thus, a hydraulic transfer sheet having the configuration shown in FIG. 2 was obtained. When the hydraulic transfer was performed on the ABS molded product using this hydraulic transfer, a hologram pattern having a strong interference color in which the printed pattern and the hologram effect interacted was observed.

本発明に係る水転写シートの部分横断面図。The partial cross-sectional view of the water transfer sheet which concerns on this invention. 本発明に係る他の水転写シートの部分横断面図。The partial cross-sectional view of the other water transfer sheet which concerns on this invention.

１０ 水圧転写シート
１２ 水溶性フィルム
１４ 透明樹脂層
１６ 蒸着金属層
１８ エンボス
２０ 印刷層 DESCRIPTION OF SYMBOLS 10 Hydraulic transfer sheet 12 Water-soluble film 14 Transparent resin layer 16 Deposition metal layer 18 Emboss 20 Printing layer

Claims (4)

含水率が７％以下である水溶性フィルムと、該水溶性フィルム上の透明樹脂層と、該透明樹脂層上の蒸着金属層とからなり、該蒸着金属層の表面にエンボスが施されている、水圧転写シート。   It consists of a water-soluble film having a water content of 7% or less, a transparent resin layer on the water-soluble film, and a deposited metal layer on the transparent resin layer, and the surface of the deposited metal layer is embossed. , Hydraulic transfer sheet. 前記水溶性フィルムと前記透明樹脂層との間に印刷層を有する、請求項１に記載の水圧転写シート。   The hydraulic transfer sheet according to claim 1, comprising a printing layer between the water-soluble film and the transparent resin layer. 含水率が７％以下である水溶性フィルム上に透明樹脂を塗布して透明樹脂層を形成し、該透明樹脂層上に金属材料を蒸着して蒸着金属層を形成し、該蒸着金属層の表面にエンボスを施す、水圧転写シートの製造方法。   A transparent resin is applied on a water-soluble film having a water content of 7% or less to form a transparent resin layer, and a metal material is deposited on the transparent resin layer to form a deposited metal layer. A method for producing a hydraulic transfer sheet, wherein the surface is embossed. 含水率が７％以下である水溶性フィルム上に印刷を施して印刷層を形成し、該印刷層上に透明樹脂を塗布して透明樹脂層を形成し、該透明樹脂層上に金属材料を蒸着して蒸着金属層を形成し、該蒸着金属層の表面にエンボスを施す、水圧転写シートの製造方法。   Printing is performed on a water-soluble film having a moisture content of 7% or less to form a printed layer, a transparent resin is applied on the printed layer to form a transparent resin layer, and a metal material is applied on the transparent resin layer. A method for producing a hydraulic transfer sheet, comprising forming a vapor-deposited metal layer by vapor deposition and embossing the surface of the vapor-deposited metal layer.
JP2009176396A 2009-07-29 2009-07-29 Hydraulic transfer sheet and manufacturing method thereof Expired - Lifetime JP5075887B2 (en)

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KR101402130B1 (en) 2012-05-10 2014-06-11 신애순 A hologram liquid pressure transfer film and process of manufacturing hologram liquid pressure transfer product
WO2014157316A1 (en) * 2013-03-28 2014-10-02 大日本印刷株式会社 Hydraulic transfer film and molded product decorated using same
JP6368563B2 (en) * 2013-07-10 2018-08-01 東京応化工業株式会社 Composite layer material
TWI637985B (en) * 2013-07-10 2018-10-11 日商東京應化工業股份有限公司 Multilayer material, method for producing film, and method for producing laminate
JP6368564B2 (en) * 2013-07-10 2018-08-01 東京応化工業株式会社 Film manufacturing method and laminate manufacturing method
US9527340B2 (en) * 2014-08-29 2016-12-27 Illinois Tool Works Inc. Composite laminate assembly and method of manufacturing the same
WO2016088702A1 (en) 2014-12-01 2016-06-09 株式会社タイカ Hydraulic transfer method and hydraulic transfer sheet

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