JP4136219B2 - Glossy paper and manufacturing method thereof - Google Patents

Description

【００２０】
（実施例２）
図３に示すように、アンダーコート層１４を形成するために、表２に示す配合比となるように、原料を均一に分散し、アンダーコート層の材料を作製した。得られたアンダーコート層の材料１４ａをフィルム１８上に塗布し、未乾燥の状態で、基材１２に貼り合わせた。そして、アンダーコート層の材料が乾燥してアンダーコート層１４が形成されたのち、フィルム１８を剥離し、アンダーコート層１４を形成した。
【００２１】
【表２】

【００２２】
（比較例）
表３に示す配合比で得られたアンダーコート層の材料を基材１２上に塗布し、送風乾燥してアンダーコート層１４を形成して、光沢紙１０を作製した。
【００２３】
【表３】

【００２４】
フィルムを用いてアンダーコート層を形成した実施例１および実施例２の光沢紙は、フィルムを使用せずにアンダーコート層を形成した比較例の光沢紙に比べて、光沢度が良好であった。
【００２５】
【発明の効果】
この発明によれば、アンダーコート層を形成するときに、その材料の表面に平滑な面を有するフィルムを密着させ、アンダーコート層が形成されたのちにフィルムを剥離することにより、平滑で光沢のある光沢紙を得ることができる。
特に基材の表面が粗面であっても、その凹凸が光沢紙の表面にあらわれず、美麗な光沢を有する金属光沢層が形成される。
【図面の簡単な説明】
【図１】この発明の製造方法で製造された光沢紙の一例を示す断面図解図である。
【図２】図１に示す光沢紙を製造するために、アンダーコート層の材料の上にフィルムを貼り付ける工程を示す断面図解図である。
【図３】図１に示す光沢紙を製造するために、フィルムに形成されたアンダーコート層を基材の上に積層する工程を示す断面図解図である。
【図４】この発明の製造方法で使用された蒸着装置の例を示す断面図解図である。
【符号の説明】
１０ 光沢紙
１２ 基材
１４ アンダーコート層
１６ 金属光沢層
１８ フィルム
１００ 蒸着装置
１０２ 真空タンク
１０４ 上室
１０６ 巻取り軸
１０８ 送出軸
１１０ 冷却ドラム
１１２ 下室
１１４ 蒸発源
１１６ 真空排気系統[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a glossy paper and a method for producing the same, and more particularly to a glossy paper on which a metallic gloss layer such as silver is formed and a method for producing the same.
[0002]
[Prior art]
Conventionally, a paper having a metallic luster such as silver is used as a label for a beer bottle, for example, which is obtained by laminating aluminum foil on the surface of paper as a base material.
[0003]
[Problems to be solved by the invention]
However, in the case of a label in which an aluminum foil is laminated on this base material, when the bottle is recycled, the aluminum foil remains, which hinders recycling.
[0004]
Therefore, the main object of the present invention is to provide a glossy paper having a metallic luster but relatively easy to recycle.
[0005]
[Means for Solving the Problems]
This invention comprises a substrate, and an undercoat layer formed on the substrate, a manufacturing method of a glossy paper and a metallic luster layer is formed on the undercoat layer, on a substrate, hydroxide Aluminum, aluminum oxide, aluminum silicate, heavy calcium carbonate, light calcium carbonate, titanium oxide, barium sulfate, silica gel, activated clay, talc, clay, kaolinite, diatomaceous earth, white carbon, magnesium carbonate, magnesium oxide, hydroxide Apply an undercoat layer material containing a binder containing one or more kinds of magnesium and zinc oxide, a lubricant and a cross-linking agent, and apply a smooth surface to the surface of the undercoat layer material. a film is adhered to the film is peeled off the material of the undercoat layer after drying formed form a film, the undercoat Metallic luster layer by vapor deposition on the surface of the is formed directly, a method for producing a glossy paper.
In the glossy paper manufactured by this glossy paper manufacturing method, the metallic gloss layer may be formed by depositing aluminum.
Further, the present invention is obtained by forming an undercoat layer and the metallic luster layer by any of the above-described methods, a glossy paper.
[0006]
[Action]
According to this invention, even if the surface of the substrate is rough, the undercoat layer does not show the irregularities on the surface of the glossy paper, and a metallic gloss layer having a beautiful gloss is formed.
[0007]
The above object, other objects, features, and advantages of the present invention will become more apparent from the following detailed description of embodiments of the present invention with reference to the drawings.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
FIG. 1 is an illustrative sectional view showing an example of glossy paper formed by the method of the present invention. The glossy paper 10 includes a sheet-like base material 12. As the base material 12, for example, high-quality paper is used. An undercoat layer 14 is formed on the substrate 12.
[0009]
The undercoat layer 14 formed on the substrate 12 includes a filler, a lubricant, and a crosslinking agent in the binder, and if necessary, a dispersant, an antifoaming agent, a water resistance agent, an ultraviolet absorber, and the like. It is formed by coating the material of the overcoat layer to which the additive has been added. Examples of the binder used here include polyvinyl alcohol, modified polyvinyl alcohol, starch, modified starch, casein, gelatin, glue, gum arabic, polyamide, polyacrylamide, modified polyacrylamide, hydroxyethyl cellulose, methyl cellulose, carboxymethyl cellulose. , Hydroxypropyl cellulose, polyvinyl acetate, polyacrylate, styrene-maleic anhydride copolymer, isobutylene-maleic anhydride copolymer, diisobutylene-maleic anhydride copolymer, vinyl acetate-maleic anhydride copolymer Polymer, methyl vinyl-maleic anhydride copolymer, isopropylene-maleic anhydride copolymer, styrene-butadiene copolymer, maleic acid copolymer, polyvinyl chloride, polyvinylidene chloride One or more water-soluble resins or emulsions such as vinyl chloride-vinyl acetate copolymer, polyurethane, polystyrene, polyurethane, polyvinyl pyrrolidone, acrylic ester, acrylonitrile, methyl vinyl ether can be selected and used. .
[0010]
Fillers include aluminum hydroxide, aluminum oxide, aluminum silicate, heavy calcium carbonate, light calcium carbonate, titanium oxide, barium sulfate, silica gel, activated clay, talc, clay, kaolinite, diatomaceous earth, white carbon. , magnesium carbonate, magnesium oxide, magnesium hydroxide, can be used to select more than one kind or two kinds of zinc oxide.
[0011]
Furthermore, as lubricants, fatty acids such as oleic acid, oxidized waxes such as paraffin wax, polyolefin waxes such as polyethylene wax, metal soaps such as zinc stearate, ester waxes such as carnauba wax, silicon oil, whale oil One kind or two or more kinds of oils such as can be selected and used.
Moreover, as a crosslinking agent, dialdehyde type such as glyoxal, polyaldehyde, amino-formaldehyde, polyamine type such as polyethyleneamine, polyimine type such as polyethyleneimine, epoxy type, polyamide resin, diglycidyl type such as glycerin diglycidyl ether, One kind or two or more kinds of zirconium salts such as ammonium zirconium carbonate can be selected and used.
[0012]
In this glossy paper 10, the surface of the undercoat layer 14 is formed to be smooth, and a silver metallic glossy layer 16 is formed on the surface of the smooth undercoat layer 14, resulting in a glossy glossy paper 10. Yes.
[0013]
In order to manufacture such glossy paper 10, as shown in FIG. 2, an undercoat layer material 14a is applied onto a substrate 12, and a film 18 is brought into close contact with the undercoat layer material 14a. . As the film 18, a film having a smooth surface is used. Examples of such film 18 include polyethylene film, polypropylene film, polyamide (nylon) film, polyester film, polyethylene naphthalate film, polystyrene film, polvinyl alcohol (vinylon) film, polyether ketone film, polysulfone film, and polyether. Films such as sulfone film, polyetherimide film, ethylene copolymer film such as EVA copolymer film and ionomer film, polycarbonate film, cellophane film, polyvinyl chloride film, polyvinylidene chloride film, aluminum foil, acetate film, etc. , A film having a smooth surface other than the above, or a paper and a film obtained by bonding these films together Etc. can be used. Further, in order to improve releasability with the undercoat layer 14, a release agent may be applied to the surface to which the material 14a of the undercoat layer is bonded.
[0014]
After the film 18 is adhered to the applied undercoat layer material 14a, the undercoat layer material 14a is formed into a dry film to form the undercoat layer 14, and then the film 18 is peeled off. In FIG. 2, the undercoat layer material 14 a indicated by hatching indicates that it is in an undried state. Since the film 18 has a smooth surface, the surface of the undercoat layer 14 from which the film 18 has been peeled becomes smooth and can be evaporated to obtain a glossy glossy paper 10.
[0015]
In order to form the undercoat layer 14, as shown in FIG. 3, an undercoat layer material 14a is applied to the surface of the film 18, and a base material is bonded to the undercoat layer material 14a, followed by dry film formation. The undercoat layer 14 may be formed by peeling off the film 18. In this case, the surface of the base material 12 is pressure-bonded to the surface of the material 14a of the undercoat layer. Then, the film 18 is peeled from the undercoat layer 14. As described above, the undercoat layer 14 may be formed on the substrate 12 side or may be formed on the film 18 side. By peeling the film 18 from the undercoat layer 14, the undercoat layer 14 having a glossiness is formed. Layer 14 can be obtained. In the case of forming the undercoat layer 14 on the film 18 side, first, after forming the undercoat layer on the film 18 and drying it, an adhesive is further applied to the surface of the film and bonded to the surface of the substrate 12. After the undercoat layer 14 is formed, the film 18 is peeled off.
[0016]
The metallic luster layer 16 is a vapor deposition layer formed by vacuum vapor deposition of an evaporation material such as aluminum, silver, or zinc.
[0017]
The base material 12 on which the undercoat layer 14 is thus formed is then sent to the vapor deposition apparatus 100 for forming the metallic luster layer 16 shown in FIG. As this vapor deposition apparatus 100, a batch-type vacuum vapor deposition apparatus is mentioned, for example. The structure of this apparatus can be broadly divided from the viewpoint of function. An internal apparatus including a vacuum tank 102, a winding shaft 106 in the upper chamber 104, a delivery shaft 108 and a cooling drum 110, an evaporation source 114 in the lower chamber 112 and a heating apparatus. , Vacuum exhaust system 116, and those equipped with various other instruments.
By this vacuum deposition apparatus, the base material 12 drawn out from the delivery shaft 108 passes through the slit through the cooling drum 110 and is led to the lower chamber 112 to form the undercoat layer 14 formed on the surface of the base material 12. On the main surface, aluminum, silver, zinc or other metal or metal compound is used as an evaporation material for vapor deposition, and vacuum vapor deposition is performed to form the metallic luster layer 16. After vapor deposition, the substrate 12 is returned to the upper chamber 104 again, and the substrate 12 is wound around the winding shaft 106. The vacuum deposition apparatus may be a continuous winding type or a semi-continuous type used in combination with a batch type.
Thus, the base material 12 on which the metallic luster layer 16 is formed can be used as a label by appropriately applying a pressure-sensitive adhesive to the back surface thereof, that is, the surface opposite to the undercoat layer 14.
[0018]
【Example】
(Example 1)
As shown in FIG. 2, in order to form the undercoat layer 14, the raw materials were uniformly dispersed so that the blending ratio shown in Table 1 was obtained, and a material for the undercoat layer was produced. Here, the compounding ratio shown in Table 1 indicates the solid content weight ratio. The material 14a of the obtained undercoat layer was apply | coated on the base material 12, and the film 18 was bonded together in the undried state. Then, after the undercoat layer material 14 a was dried to form the undercoat layer 14, the film 18 was peeled off to form the undercoat layer 14.
[0019]
[Table 1]

[0020]
(Example 2)
As shown in FIG. 3, in order to form the undercoat layer 14, the raw materials were uniformly dispersed so that the blending ratio shown in Table 2 was obtained, and a material for the undercoat layer was produced. The obtained undercoat layer material 14a was applied onto the film 18 and bonded to the substrate 12 in an undried state. And after the material of the undercoat layer was dried to form the undercoat layer 14, the film 18 was peeled off to form the undercoat layer 14.
[0021]
[Table 2]

[0022]
(Comparative example)
The material of the undercoat layer obtained with the compounding ratio shown in Table 3 was applied on the base material 12 and blown and dried to form the undercoat layer 14, thereby producing the glossy paper 10.
[0023]
[Table 3]

[0024]
The glossy paper of Example 1 and Example 2 in which an undercoat layer was formed using a film had better glossiness than the glossy paper of a comparative example in which an undercoat layer was formed without using a film. .
[0025]
【The invention's effect】
According to the present invention, when the undercoat layer is formed, a film having a smooth surface is adhered to the surface of the material, and after the undercoat layer is formed, the film is peeled off to form a smooth and glossy film. A glossy paper can be obtained.
In particular, even if the surface of the substrate is rough, the unevenness does not appear on the surface of the glossy paper, and a metallic gloss layer having a beautiful gloss is formed.
[Brief description of the drawings]
FIG. 1 is an illustrative sectional view showing an example of glossy paper produced by the production method of the present invention.
2 is a cross-sectional view showing a process of attaching a film on the material of the undercoat layer in order to produce the glossy paper shown in FIG. 1. FIG.
FIG. 3 is an illustrative sectional view showing a step of laminating an undercoat layer formed on a film on a substrate in order to produce the glossy paper shown in FIG. 1;
FIG. 4 is a cross-sectional view showing an example of a vapor deposition apparatus used in the manufacturing method of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Glossy paper 12 Base material 14 Undercoat layer 16 Metal gloss layer 18 Film 100 Vapor deposition apparatus 102 Vacuum tank 104 Upper chamber 106 Winding shaft 108 Delivery shaft 110 Cooling drum 112 Lower chamber 114 Evaporation source 116 Vacuum exhaust system

Claims (3)

A method for producing glossy paper, comprising: a base material; an undercoat layer formed on the base material; and a metallic gloss layer formed on the undercoat layer , the aluminum hydroxide on the base material , Aluminum oxide, Aluminum silicate, Heavy calcium carbonate, Light calcium carbonate, Titanium oxide, Barium sulfate, Silica gel, Activated clay, Talc, Clay, Kaolinite, Diatomaceous earth, White carbon, Magnesium carbonate, Magnesium oxide, Magnesium hydroxide Applying an undercoat layer material containing a binder to which one or more types of zinc oxide, a lubricant, and a crosslinking agent are added, and forming a smooth surface on the surface of the undercoat layer material It is adhered a film having the film is peeled off after the material of the undercoat layer was dried formed form a film, wherein Metallic luster layer by vapor deposition on the surface of the Ndakoto layer is formed directly, the manufacturing method of the glossy paper.   The glossy paper manufacturing method according to claim 1, wherein the metallic gloss layer is formed by depositing aluminum. A glossy paper comprising an undercoat layer and a metallic luster layer formed by the method according to claim 1.

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