JPH0434514B2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a metal vapor-deposited transfer foil having a special effect for hot stamping, which is obtained by directly applying hairline processing to a metal vapor-deposited layer, and a method for producing the same. Its products are mainly used to add designs to the surfaces of items such as light electrical equipment, miscellaneous goods, accessories, toys, and cosmetic containers.

[Conventional technology]

Conventional transfer foils for hot stamps that include a metal vapor-deposited layer are those in which the base film itself is subjected to hairline processing, etc., and a release layer and pattern layer are formed on top of that, and then metal vapor deposition is applied. There are methods that provide a layer, apply hairline processing, etc. on it, and then perform metal vapor deposition, but I have yet to find a method that applies hairline processing, etc. that reaches at least this layer after metal vapor deposition. Can not. Unlike conventional products, which apply hairline processing to the base film itself (layers other than the metal vapor deposited layer),
Since the film surface is damaged, the transfer surface after transfer becomes matte and lacks gloss, making it impossible to create a glossy transfer surface.
In addition, even if hairline processing is applied to these layers after forming a release layer, pattern layer, etc., if hairline processing is actually performed on these layers (the thickness of the ink or varnish layer is usually around 2 to 3μ). (The depth of the hairline pattern actually applied is several micrometers or more from the viewpoint of its design) The hairline pattern reaches not only the ink and varnish layer but also the base film surface, resulting in The transfer surface becomes a matte surface. Here, even if this hairline processing is applied to the pattern or the release layer, the design quality when the hairline processing is actually applied requires a groove depth of 2 to 3μ or more, sometimes more than 10μ, and the pattern or release layer If the depth of the groove during machining is less than 2 to 3 microns at most, the effect will be low and the design will be extremely poor. Furthermore, even if the surface is made after transfer, by applying a coarse hairline finish or the like, the surface becomes slightly matte, but a completely glossy surface cannot be obtained.

[Problem that the invention seeks to solve]

Therefore, the present invention compensates for all the drawbacks of the prior art as described above by applying a hairline process using sandpaper, a brush, etc. to reach at least this layer after applying a metal vapor deposition layer, and then bonding on top of the hairline process. The present invention aims to provide a metal-deposited foil having special effects by providing layers (possibly via an adhesive anchor layer) and a method for producing the same.

[Means for solving problems]

The present invention provides a transfer foil in which a base film, a release layer, a pattern layer, a protective layer, a metal vapor deposited layer, an adhesive anchor layer, and an adhesive layer are sequentially formed. A special effect characterized in that a large number of hairline-shaped fine grooves are provided that penetrate through the metal vapor-deposited layer from the side where the adhesive layer is to be placed on the transfer foil made of the film and do not reach the base film. According to the present invention, with regard to a metal vapor-deposited transfer foil having a metal vapor-deposited transfer foil and a method for manufacturing the same, in the least case, it is sufficient to perform hairline processing etc. only on the metal vapor-deposited layer, and the metal vapor-deposited transfer foil currently provided in vapor-deposited hot stamps can be removed. Since the thickness of the layer is approximately several hundred Å to 1,000 Å, it is sufficient to draw lines by approximately this thickness. Of course, it can be more than that. As long as the grooves formed by the markings reach only the release layer, the transfer surface after transfer can always have the same gloss as the film surface. In addition, when this marking is done halfway through the metal vapor deposited layer or the pattern layer, and when printing is done with an ink that has relatively hiding properties as the ink used for this pattern layer, the marking pattern does not appear in the pattern area and other metals The scoring pattern appears only in the portion of the deposited layer, making it possible to create a partial scoring pattern. Although the conventional hairline processing, etc. performed at the release layer and pattern layer stages, although the resin is hardened, it is softer than the metal vapor deposited layer, and even though this vapor deposit layer is several hundred Å thick, it is made of metal. Since it is a similar thin film, it can withstand the physical cutting caused by these markings more strongly than resin, and the markings after the metal vapor deposition layer are much more durable than the markings after printing the release layer and pattern layer. allows for easy, shallow scribing. Also,
As an experimental fact, when scratching or the like is applied to a film or a pattern layer, it is necessary to have an unevenness of at least several micrometers or more in consideration of the design. It is only necessary to mark the thickness of the layer, and a groove of several hundred Å to several micrometers is sufficient.In reality, this is simply a line, rather than an unevenness, and the metal vapor deposited layer is scraped in a line. That's fine. The metal vapor-deposited transfer foil having special effects of the present invention and its manufacturing method will be explained in detail below using a first embodiment.

That is, in the present invention, as shown in FIG. 1, a release layer 2 that is easily peeled off is provided on a base material 1, and then a pattern layer 3 having an arbitrary number of colors is provided, and a protective layer 4 is provided as necessary. A metal vapor deposition layer 5 is provided by performing metal vapor deposition.
After this metal vapor deposition layer 5 is provided, hairline processing 6 is performed here. The hairline processing performed at this time is several microns.
More than that is not necessary, but of course more is fine. In fact, it is sufficient if even the metal vapor deposited layer has a hairline finish. Then, if necessary, adhesive layers 8 are successively laminated via adhesive anchor layers 7 to complete the transfer foil. FIG. 2 is an explanatory diagram of a partially hairline vapor-deposited foil in which the metal vapor-deposited layer 5 and further from the pattern layer 3 to the release layer 2 are subjected to hairline processing. Here, the release layer 2 is made of acrylic resin, chlorinated rubber resin, waxes, cellulose resin, etc., and the pattern layer 3 is made of chlorinated rubber resin, acrylic resin, vinyl chloride-vinyl acetate copolymer resin, cellulose resin, etc. Resins and their mixtures, etc.
As the protective layer 4, thermosetting urethane resin, melamine curing acrylic resin, heat resistant acrylic resin,
Cellulose resin, vinyl chloride-vinyl acetate copolymer resin, alkyd resin, polyester resin, and mixtures thereof, etc. As the adhesive anchor layer 7, vinyl chloride-vinyl acetate copolymer resin, chlorinated rubber resin, acrylic resin, etc. For the adhesive layer 8, acrylic resin, chlorinated polypropylene resin, chlorinated rubber resin, etc. can be used. The same holds true for the second and third embodiments.

[Effect]

This hairline processing etc. is performed after metal vapor deposition, which means that in the past, the unevenness was only made by a few microns.
With the above features, the three-dimensional structure obtained by this unevenness creates a transfer foil that imitates the fine hairline pattern on the actual aluminum plate or stainless steel plate. Considering that the thickness of the metal vapor deposition layer used in the metal vapor deposition hot stamp is several hundred angstroms or more, it is sufficient to perform cutting with grooves having a depth of several hundred angstroms or more. Although it is a thin film of metal, although it is several hundred Å thick, it will not melt due to the heat or pressure during transfer, and once the metal vapor deposited layer has grooves that have been scraped off, the two or more types of resin sandwiching this layer will not melt. Even if melted, the grooves formed in the metal vapor deposited layer may widen or cracks may occur, but the metal vapor deposited layer without grooves will never be reproduced again. Furthermore, the cutting process performed directly on the metal vapor deposited layer is a cutting process on the film itself, which has a very beautiful appearance as long as the metal vapor deposit layer is even removed, even if it reaches the pattern layer or release layer. It is possible to obtain the same or better effect than that of the film, and the surface gloss can be freely matched to the gloss of the film, and it is also possible to partially create a hairline finish on the pattern layer and other areas. It becomes.

〔Example〕

Example 1 After laminating an acrylic resin release layer, a pattern layer, and a cellulose resin protective layer on a 25μ thick polyester resin film, a metal vapor deposition layer was applied.
A 400 Å area was created, and a hairline finish was applied to the middle of the pattern layer using sandpaper. A vinyl chloride-vinyl acetate copolymer adhesive anchor layer and an acrylic resin adhesive ink layer were then applied, followed by hot stamp transfer. When a pattern layer was formed using a glossy ink that could not be expressed with the hairline transfer foil and had hiding properties, a beautiful partial hairline foil was obtained in which no hairline pattern appeared in that area.

Example 2 After laminating a release layer and pattern layer of acrylic resin, and a protective layer of cellulose resin on a polyester resin film with a thickness of 25 μm, a metal vapor-deposited layer was applied.
A 400 Å thick adhesive anchor layer made of vinyl chloride-vinyl acetate copolymer was applied, a hairline process was applied to the middle of the pattern layer using sandpaper, an acrylic resin adhesive ink layer was applied, and hot stamp transfer was performed. It has a luster that cannot be expressed with transfer foil. When a pattern layer was formed using a concealing ink, a beautiful partial hairline foil was obtained in which no hairline pattern appeared in that area.

Example 3 After laminating a release layer and pattern layer of acrylic resin, and a protective layer of cellulose resin on a 25μ thick polyester resin film, a metal vapor deposition layer was applied.
A layer of 400 Å was applied, an adhesive anchor layer made of vinyl chloride-vinyl acetate copolymer, and an adhesive ink layer made of acrylic resin were applied as necessary, hairline processing was applied to the middle of the pattern layer using sandpaper, and hot stamp transfer was performed. When a pattern layer was formed using a glossy ink that could not be expressed by the hairline transfer foil and had a concealing property, a beautiful partial hairline foil was obtained in which no hairline pattern appeared in that area. Regarding adhesion, the results are slightly better with the product without hairline processing, but even with this hairline processing, the transfer performance is satisfactory at 220℃, 150Kg/10cm pressure, and transfer speed of 4m/min. shows.

〔Effect of the invention〕

The present invention compensates for all the drawbacks of the prior art as described above by applying a hairline process using sandpaper, a brush, etc. to at least reach and penetrate this layer after applying a metal vapor deposition layer. A vapor-deposited metal foil that has a special effect of shining in seven colors due to a light diffraction phenomenon, especially when the grooves are thin, by providing an adhesive layer thereon (in some cases, via an adhesive anchor layer), and a method for producing the same. This is a partial hairline vapor-deposited foil that reproduces the same gloss as the base film on the transfer surface, which was difficult to achieve with conventional hairline vapor-deposited foil, and that applies hairline processing only to areas other than the pattern area. This made it possible to provide the following.

[Brief explanation of drawings]

FIG. 1 shows a cross-sectional view of a partial hairline vapor-deposited transfer foil of the metal vapor-deposited transfer foil having the special effect of the present invention. In this case, the hairline process is directly performed on the metal vapor-deposited foil. , FIG. 2 is a cross-sectional explanatory diagram of the entire hairline vapor-deposited foil. FIG. 3 shows a cross-sectional view of a partial hairline vapor-deposited foil of the metal vapor-deposited transfer foil having the special effect of the present invention. In this case, the hairline processing is performed on the metal vapor-deposited foil via an adhesive anchor layer. FIG. 4 is an explanatory cross-sectional view of the entire hairline vapor-deposited foil. FIG. 5 shows a cross-sectional view of a partially hairline vapor-deposited transfer foil of the metal vapor-deposited transfer foil having the special effects of the present invention. The hairline has been processed,
FIG. 6 is an explanatory cross-sectional view of the entire hairline vapor-deposited foil. DESCRIPTION OF SYMBOLS 1...Base film, 2...Release layer, 3...Picture layer, 4...Protective layer, 5...Metal vapor deposition layer, 6...
... Cutting process, 7 ... Adhesive anchor layer, 8 ... Adhesive layer.

Claims (1)

[Claims] 1. A transfer foil consisting of at least a base film, a metal vapor deposited layer and an adhesive layer, which penetrates the metal vapor deposited layer from the side where the adhesive layer is located and does not reach the base film. A metal vapor-deposited transfer foil with a special effect characterized by a large number of hairline-like fine grooves. 2. A hairline-shaped fine strip that penetrates the metal vapor-deposited layer from the side where the adhesive layer of the transfer foil consisting of at least a base film, a metal vapor-deposited layer, and an adhesive layer and does not reach the base film. A method for producing a metal vapor-deposited transfer foil having a special effect characterized by providing a large number of grooves.