JPH08948U - Manufacturing method of patterned metallic tone decorative sheet - Google Patents

Abstract

(57) [Summary] [Object] To provide a very useful method for producing a metallic decorative sheet in which the delicate subtle expression of the embossed film and the printed pattern are synchronized in a multi-layered manner, and further, the metallic feeling of the metal is combined. [Structure] A metal thin film layer 3 is formed on a surface of a base film 2 made of a polyester film by a method selected from a conventional vacuum deposition method, a sputtering method, an ion plating method, a cluster ion beam deposition method and an electron beam deposition method. A metal thin film layer forming step of forming a thickness of 50Å to 5000Å, and an emboss formation for forming an emboss 4a selected from a crystal pattern, a metal corrosion pattern, a grain pattern and a woven pattern on the surface of the transparent surface film 4. Process and partial print pattern or watermark print pattern 4b on the back surface of the transparent surface film 4
And a metal formed on the surface of the base film 2 by the metal thin film layer forming step, and the back surface of the surface film 4 on which the embossing and the printing pattern are formed on the front and back sides by the embossing forming step and the print pattern forming step. The step of performing dry lamination on the surface of the thin film layer 3 is performed.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a method for producing a decorative sheet having a metallic color tone, which is used as various surface decorative sheets for furniture, building materials, office equipment and the like.

[0002]

[Prior art]

 Conventionally, as a method for producing a metal-like decorative sheet using a metal thin film, a method of depositing a metal thin film on the back surface of a polyester film having a hairline processed surface has been proposed. We also conducted an experiment on depositing a metal on the back surface of an embossed film whose surface is embossed.

[0003]

[Problems to be solved by the device]

 However, in the former method of applying hairline processing, the hairline is a method of mechanically scratching the surface of the polyester film, and thus the aesthetics are low and a delicate appearance cannot be obtained. Further, in the case of using the latter embossed film, the back surface is not perfectly smooth and a good metal thin film cannot be obtained, so that the aesthetics due to embossing and the metallic feeling of the thin film metal are not fully exhibited. Furthermore, it is not possible to vapor-deposit or sputter metal only on the printed portion. The present invention has been made in view of the above points, and it is a very useful metallic tone in which the delicate expression of the embossed film and the printed pattern are synchronized in multiple layers, and it is combined with the metallic feeling of metal. It is intended to provide a method for manufacturing a decorative sheet.

[0004]

[Means for Solving the Problems]

 As shown in the figure, the method for producing a metallic decorative sheet with a pattern according to the present invention includes a vacuum deposition method, a sputtering method, an ion plating method, a conventional vacuum deposition method, and a method for forming a film on a surface of a substrate film (2) made of a polyester film. The metal thin film layer forming step of forming a metal thin film layer (3) with a thickness of 50 Å to 5000 Å by a method selected from cluster ion beam evaporation method and electron beam evaporation method, and a transparent surface film (4) An embossing process that forms an emboss (4a) selected from a crystal pattern, a metal corrosion pattern, a grain pattern and a woven pattern on the surface, and a partially printed pattern on the back surface of the transparent surface film (4). Is the print pattern forming step for forming the watermark print pattern (4b), and the back surface of the surface film (4) on which the emboss and print patterns are formed on the front and back sides by the emboss forming step and the print pattern forming step. It is characterized in that to perform the steps of dry lamination to the surface of the metal thin film layer formed on the surface of the substrate film (2) by the genus thin film layer forming step (3).

The metallic decorative sheet with a pattern produced by the above method has a surface formed by forming a metal thin film layer (3) having a thickness of 50Å to 5000Å on the surface of a base film (2) made of a polyester film. A transparent surface film (4) with an embossing (4a) selected from a crystal pattern, a metal corrosion pattern, a grain pattern, and a woven pattern on the back and a partial print pattern or a watermark print pattern (4b) on the back side, respectively. The back surface of the above is dry-laminated on the surface of the metal thin film layer (3). A release paper (6) can be attached to the back surface of the base film (2) via a pressure sensitive adhesive (7). In the figure, reference numeral 5 represents an adhesive layer formed by dry lamination.

The polyester film used as the base film 2 is excellent in terms of heat resistance and adhesion with the metal thin film layer.

The types of metals used for the metal thin film layer 3 include gold (Au), silver (Ag), copper (Cu), nickel (Ni), chromium (Cr), iron (Fe), aluminum (Al). , Titanium (Ti), zinc (Zn), cobalt (Co), and others can be used, and they can be used not only as a simple substance but also as an alloy. For example, in addition to stainless steel (Fe-Ni-Cr), brass (Cu-Zn), bronze (Cu-Sn), nickel-chromium (Ni-Cr), nitrides such as titanium nitride can be used.

Further, in order to form the metal as the metal thin film layer 3 on the base material film 2, a usual vacuum evaporation method, a sputtering method, an ion plating method, a cluster ion beam evaporation method, an electron beam evaporation method is used. Selected from the inside. The metal thin film layer 3 may have a thickness of 20Å to 10000Å, preferably 50Å to 5000Å, and more preferably 100Å to 1000Å. In claim 1, the range is 50Å to 5000Å.

Further, the surface film 4 may be a colored transparent film, and as the material, a polyvinyl chloride film, an acrylic resin film, a polyester film, or a fluororesin film can be used.

The type of the embossed pattern 4a is selected according to the type of metal, which gives a metallic feeling of the metal, and is selected from a crystal pattern, a metal corrosion pattern, a grain pattern, and a woven pattern.

The type of the print pattern 4b is formed by using an appropriate printing such as gravure printing, offset printing, etc., and a geometric pattern (for example, stripes, checks, dots), a grain pattern, a ground pattern, or any other appropriate pattern. Can be selected. However, it is necessary to perform partial printing or watermark printing so that the metal thin film layer 3 can be seen from the surface.

The adhesion layer 5 is formed by dry lamination. For that purpose, a two-component reactive urethane-based or polyester-based adhesive can be preferably used. After applying the adhesive, the adhesive is heated at a low temperature (about 40 ° C.) and the solvent is removed to adhere the adhesive in a semi-solidified state with tackiness.

In addition, a concealing process is provided on the back surface of the base film 2, that is, the surface opposite to the metal thin film layer 3, if necessary. For example, gold is expensive, so it has a thickness of only about 400 Å, and some light transmits through it, so an opaque hiding layer is required. In addition, some metals are prone to corrosion depending on the type of metal used, but in this case a protective coat is provided if necessary.

A pressure-sensitive adhesive is applied to the back surface of the completed metal-tone decorative sheet, and release paper is attached.

Further, by providing a pattern on the surface embossed film by silk screen printing, it becomes a more useful decorative sheet.

[0016]

[Function and effect of the device]

 According to the method for manufacturing a metallic decorative sheet of the present invention, the delicate subtle expressions of the embossed portions 4a formed in advance on the front and back of the transparent surface film 4 and the partial print or the watermark print pattern 4b are synchronized in a multi-layered manner, and are dried. By adopting the lamination, the surface condition of the metal thin film layer 3 is extremely good, and the condition of the embossing 4a on the surface is not impaired, and the metallic feeling of metal, the crystal pattern, the metal corrosion pattern, and the grain pattern are obtained. There is an effect that it is possible to obtain this kind of metal-like makeup sheet which has a delicate expression of embossing from the woven pattern and excellent appearance in which the partial print or the watermark print pattern is maximized as a whole. .

[0017]

【Example】

 A thin nickel film (400 Å) was formed on a polyester film having a thickness of 20 µm by a sputtering method, and a protective coating was applied to the surface thereof. A polyvinyl chloride film was embossed with an embossed pattern of silk crepe weave, and white and gray inks were used on the back surface, and watermark printing of a grain pattern was performed in advance. Next, using a two-component reaction type urethane adhesive, the printed surface of the transparent polyvinyl chloride film and the nickel thin film surface of the polyester film were compounded by dry lamination. Further, the back surface of the polyester film was coated with black to form a hiding layer. The completed metal-tone decorative sheet was extremely aesthetic and effective.

[Brief description of drawings]

FIG. 1 is a plan view of a metal-tone decorative sheet manufactured by the method according to the present invention.

FIG. 2 is a sectional view of the same.

FIG. 3 is an exploded view of the same.

[Explanation of symbols]

1 decorative sheet, 2 base film, 3 metal thin film layer,
4 surface film, 4a embossing, 4b printed pattern,
5 adhesive layer, 6 release paper, 7 adhesive

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Yoshikatsu Masuda, Yoshikatsu Masuda, 3902 Ishibe, Ishibe-cho, Koga-gun, Shiga Shiai Kasei Co., Ltd.Shiga Factory (72) Hiroshi Tanaka, 3902 Ishibe, Ishibe-cho, Koga-gun, Shiga Shiga Factory Co., Ltd.

Claims (1)

[Scope of utility model registration request] 1. A metal is formed on a surface of a base film (2) made of a polyester film by a method selected from a usual vacuum vapor deposition method, a sputtering method, an ion plating method, a cluster ion beam vapor deposition method and an electron beam vapor deposition method. The metal thin film layer forming step of forming the thin film layer (3) with a thickness of 50Å to 5000Å, and the crystalline surface, the metal corrosion pattern, the grain pattern and the woven pattern on the surface of the transparent surface film (4) are selected. Embossing step for forming the embossed (4a), a print pattern forming step for forming a partial print pattern or a watermark print pattern (4b) on the back surface of the transparent surface film (4), an emboss forming step and a print pattern forming step. The back surface of the surface film (4) having embossed and printed patterns formed on the front and back sides is formed on the surface of the base film (2) by the metal thin film layer forming step. And a step of performing dry lamination on the surface of the metal thin film layer (3).