JPH0539583A - Production of partially vapor-deposited decorative sheet - Google Patents

Abstract

PURPOSE:To provide a partially vapor-deposited decorative sheet excellent in metal glass, appearance, and various durability by an easy method which avoids problems of conventional techniques. CONSTITUTION:The objective partially vapor-deposited decorative sheet is produced by printing an etching resist 3 on a metal vapor deposition layer 2 of a metal vapor deposition film 1, and removing the vapor deposition layer in the area not covered with the resist 3. This method features in that the etching resist is substantially colorless and contains a matting agent.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a novel method for producing a partially vapor-deposited decorative sheet, and more specifically, to easily provide a partially vapor-deposited decorative sheet having excellent appearance, excellent aesthetics and various durability. To aim.

[0002]

2. Description of the Related Art Conventionally, a metal such as aluminum is vapor-deposited on a base film such as a plastic film, and the metal is partially removed by etching to form a metal vapor-deposited layer and a non-vapor-deposited layer, and at least one surface thereof. 2. Description of the Related Art A partially vapor-deposited decorative sheet, which is beautiful and excellent in design, which has been subjected to various kinds of printing and the like as necessary, is widely used.

[0003]

The most basic method for producing the above partial vapor deposition decorative sheet is to print a colorless and transparent etching resist on the vapor deposition film, and remove the metal layer on the exposed surface by etching with an alkali or the like. Although this method is a method, there is a problem in that it is difficult to easily identify the resist print pattern with the naked eye, and thus it is difficult to find defects such as fog and blank during printing. As a method of solving this problem, a method of using a colored etching resist has been performed, but since the colored etching resist remains on the metal vapor deposition layer, the metallic original glossiness does not appear, or another printed pattern is used. However, there is a problem in that it is difficult to match the color of the etching resist with the color of the printing ink. Such a problem can be solved by removing the colored resist with a solvent after etching, but there is a problem that a solvent is used and the number of steps is increased. Yet another method is to print a water-soluble primer on the film in advance, and then deposit metal on the entire surface and wash it with water to partially remove the metal layer.
This method has problems that it is not suitable for mass production and the cost is high because vapor deposition is performed after printing. Therefore, an object of the present invention is to solve the above-mentioned problems of the prior art and to provide a partially vapor-deposited decorative sheet excellent in metallic luster, excellent aesthetics, various durability, etc. by an easy method.

[0004]

The above object can be achieved by the present invention described below. That is, the present invention is a method for producing a partially vapor-deposited decorative sheet, wherein an etching resist is printed on a metal vapor-deposition layer of a metal vapor-deposition film, and then the vapor-deposition layer not covered with the resist coating film is removed. In the method for producing a partially vapor-deposited decorative sheet, the matte agent is contained.

[0005]

By mixing a matting agent in the etching resist, the resist print pattern can be easily discerned with the naked eye, and it is easy to find fog or omission in printing. or,
In a preferred embodiment, a matte feeling of the resist disappears by forming a transparent layer on the surface of the resist layer (may be the entire film) on the metal layer remaining after etching,
The original glossiness of the metal layer can be obtained. Further, by performing arbitrary printing on at least one surface of the partially vapor-deposited decorative sheet thus obtained, or by laminating a designable layer,
It is possible to easily provide a partially vapor-deposited decorative sheet having excellent metallic luster, excellent aesthetics, and various durability.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described in more detail with reference to the preferred embodiments. As shown in FIG. 1a, the cross-section of the basic vapor deposition decorative sheet according to the present invention is printed with a desired pattern of an etching resist 3 containing a matting agent on the surface of a metal vapor deposition layer 2 provided on a substrate film 1. Form a print layer. Subsequently, as shown in FIG. 1b, the metal layer 2 is etched (eluted or removed) with an appropriate etching solution.
By doing so, the metal vapor deposition layer is partially removed, and the partially vapor deposition decorative sheet of the present invention is obtained. 2a-c show another preferred embodiment of the invention, which is shown in FIG.
In this example, the pressure-sensitive adhesive 4 is applied to the entire surface of the partially vapor-deposited sheet obtained in FIG. 1b, and the separator 5 such as release paper is attached to the adhesive 4. In this case, the base film 1 needs to be transparent. The partial vapor deposition decorative sheet of the present invention can be easily attached to an arbitrary object by peeling off the separator 1 if necessary.

In the example shown in FIG. 2b, the adhesive 6 is applied to the surface of the partially vapor-deposited decorative sheet of FIG. 1b, and a transparent film 7 or the like is further adhered to the surface of the partially-vapor-deposited decorative sheet. The property is improved, and the unevenness of the surface of the resist layer 3 is canceled by the application of the adhesive 6, and the gloss of the metal layer 2 seen from the outermost surface is returned to the original metal gloss. still,
The protective film 7 may be provided with an arbitrary printed pattern 8. The printed pattern 8 is the reverse of the example shown in the drawing, and the adhesive layer 6
It may be printed on the surface of the protective film 7 that faces the substrate, or on the outside of the base film 1 (see FIG. 3). In this example, the printed pattern) is provided on both sides or one side with the metal layer 2 interposed therebetween, and when the print layer 8 partially overlaps the metal vapor deposition layer 2 in three dimensions, the partial vapor deposition decorative sheet is The printed pattern 8 is partially covered by the metal layer 2 depending on the viewing side. It is surprising that the patterns seen from both sides are significantly different. The example in FIG. 2c is an example in which an arbitrary embossed pattern 9 is further formed on the surface. The example of FIG. 3 is an example in which the transparent coating material 10 is applied to the surface of the partially vapor-deposited decorative sheet in the state of FIG. 1b.
As a result, the matte feeling of the resist 3 is canceled and the metal vapor deposition layer 2 exhibits the original metallic luster. In this interval, for example, if the printed pattern 8 is formed so as to partially overlap the metal layer 2 as shown in the figure, the design of the whole changes depending on the viewing side.

The substrate film used in the present invention is as follows:
For example, any conventionally known base film may be used, for example, polyethylene terephthalate, polyethylene terephthalate / isophthalate copolymer, polyester such as polybutylene terephthalate, polyethylene, polypropylene, polyolefin such as polymethylpentene, polyvinyl chloride, poly Films of vinylidene chloride, ethylene / vinyl alcohol copolymer, polycarbonate, polyamide and the like can be mentioned, but polyethylene terephthalate film is preferable in view of transparency, smoothness, heat resistance and the like. It is also preferable to subject the surface to a primer treatment, a corona discharge treatment, or the like, if necessary, to improve the adhesiveness of the surface. Generally, the thickness of these base film is preferably about 0.01 to 0.1 mm, and its shape is not limited.

The metal vapor-deposited layer formed on the base film is formed from aluminum, chromium, iron, nickel, etc. by a conventional method. As a metal, aluminum is excellent in handling and cost. .. The thickness of the metal vapor deposition layer is generally in the range of 10 to 1000Å. The etching resist used in the present invention is made of a resin that can withstand the etching treatment of the metal layer, and may be a one-pack type or a two-pack type, but the latter is preferable. As a resin,
For example, an acrylic resin, a vinyl chloride / vinyl acetate copolymer, a polyurethane resin, or the like which has been used as a conventional etching resist may be used. The matting agent added to the resist solution consisting of an organic solvent solution of such a resin is particles capable of forming fine irregularities on the surface of a coating film to be formed, and examples thereof include silica, alumina, clay, calcium carbonate and wax particles. The amount of wax particles added is about 0.1 to 1% by weight per 100 parts by weight of the etching resist. Too much wax should not be used in too much, as it will reduce adhesion in subsequent processing. In the case of silica, etc.,
Although it is about 2% by weight, silica is corroded when etching is carried out with an alkali, and therefore an excessive amount should not be added.

The etching resist may be printed by ordinary gravure printing, silk screen printing or the like, and the pattern to be printed is not particularly limited. The thickness of the resist ink to be printed is about 1 to 5 μm (g / m ² ) in terms of solid content. The etching treatment after the formation of the etching resist film varies depending on the type of metal forming the metal vapor deposition layer, but when the metal is, for example, aluminum, a dilute aqueous solution of an alkali metal hydroxide is suitable. As described above, the basic form of the partially vapor-deposited decorative sheet of the present invention is completed, but any of the pressure-sensitive adhesive, the adhesive, the separator, the protective film, the protective paint, the embossing, the pattern printing, etc. described in the above-mentioned preferred embodiment is used. Also, the conventional technology can be used as it is.

[0011]

EXAMPLES Next, the present invention will be described more specifically with reference to examples. Example 1 An aluminum vapor deposition film (Dialaster TD, manufactured by Reiko) was mixed with an etching resist (VAR, manufactured by Showa Ink Industry Co., Ltd.) with 1% by weight of a polyethylene wax to form an ink, which was then metal vapor deposited by a gravure printing method. A pattern was printed on the layer surface. Next, this printed film was alkali-etched with a 0.8% aqueous sodium hydroxide solution at 60 ° C. to obtain a partially vapor-deposited decorative sheet of the present invention. The resist print pattern of this partially vapor-deposited decorative sheet was clearly discernible with the naked eye. Example 2 When a pressure-sensitive adhesive was applied to the surface of the partially vapor-deposited decorative sheet of the present invention obtained in Example 1 at a rate of about 30 g / m ² and dried, the matte feeling of the metal layer disappeared and the original metallic luster was obtained. Showed a feeling. A release paper was attached to the surface of the adhesive layer to obtain another partially vapor-deposited decorative sheet of the present invention. It can be easily attached to any object.

Example 3 Printing was performed on the vapor deposition surface of the partial vapor deposition decorative sheet obtained in Example 1,
When films with various designs such as embossing were attached by dry lamination, the matte feeling of the resist layer was lost by the adhesive, the original metallic luster was revealed, and it was excellent together with the attached films with design. It showed aesthetics. Example 4 On the vapor deposition surface of the partially vapor deposition decorative sheet obtained in Example 1, a transparent acrylic resin coating material was applied at a solid content of about 3 g / m ² and dried to form a protective layer. Also in this case, the matte feeling of the etching resist layer disappeared, and the original metallic luster was observed.

[0013]

According to the present invention as described above, by mixing a matting agent in the etching resist, the resist print pattern can be easily discriminated by the naked eye, and it is easy to find fog or omission in printing. Is. Further, in a preferred embodiment, by forming a transparent layer on the surface of the resist layer on the metal layer remaining after etching (the film may be the entire surface), the matte feeling of the resist disappears and the original gloss feeling of the metal layer is obtained. You can put it out. Furthermore, by performing arbitrary printing on at least one surface of the partially vapor-deposited decorative sheet thus obtained or laminating a designable layer, excellent metallic luster, excellent aesthetics, various durability, etc. A partially vapor-deposited decorative sheet can be easily provided.

[Brief description of drawings]

FIG. 1 is a cross-sectional view illustrating a cross section of a partial vapor deposition decorative sheet of the present invention.

FIG. 2 is a cross-sectional view illustrating a cross section of a partially vapor-deposited decorative sheet of the present invention.

FIG. 3 is a cross-sectional view illustrating a cross section of the partially vapor-deposited decorative sheet of the present invention.

[Explanation of symbols]

 1: Substrate film 2: Metal deposition layer 3: Resist layer 4: Adhesive layer 5: Separator 6: Adhesive layer 7: Film 8: Pattern printing 9: Embossed pattern 10: Protective coating film

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁵ Identification code Internal reference number FI Technical display location B44C 1/165 G 9134-3K C23F 1/00 D 7179-4K

Claims (3)

[Claims] 1. A method for producing a partially vapor-deposited decorative sheet, comprising the steps of printing an etching resist on a metal vapor deposition layer of a metal vapor deposition film and removing the vapor deposition layer not covered with the resist coating film, wherein the etching resist is substantially colorless. A method for producing a partially vapor-deposited decorative sheet, which comprises a matting agent. 2. The method for producing a partially vapor-deposited decorative sheet according to claim 1, wherein a transparent resin layer is provided on the surface of the metal vapor-deposited layer. 3. The method for producing a partially vapor-deposited decorative sheet according to claim 1, wherein a printed pattern or a design layer is provided on at least one surface.