JPH081861A - Leather for decoration and its production - Google Patents

Abstract

PURPOSE:To provide leather for decoration in which a pretty pattern formed of transfer and gravure printing is applied to the surface of a metal vapor deposited foil. CONSTITUTION:A specific metal vapor deposited foil 2 is constituted of an adhesive layer 2a for a base material, a vapor deposition film 2b of metal such as aluminum, a metallic adhesive layer 2c in which a triisocyanate compound or a polycarbonate compound and polyurethane isocyanate are diluted by an organic solvent and a printing characteristic treated layer 2d formed of resin soluble in the organic solvent. The specific metal vapor deposited foil 2 is laminated on a base material 1 consisting of leather or a sheet of polyvinyl chloride or polyurethane through an adhesive 4 for the base material. Together with it, a transfer characteristic treated layer 6 consisting of thermoplastic resin is formed on the specific metal vapor deposited foil 2. Thereafter an arbitrary pattern 7 is transferred by sublimation on the transfer characteristic treated layer 6 through transfer paper 8.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a decorative leather in which a surface of a metal vapor deposition foil is provided with a pattern by gravure printing or sublimation transfer, and a method for producing the same.

[0002]

2. Description of the Related Art Conventionally, in this type of decorative leather, a metal vapor-deposited foil, which is colored with gold, silver, copper or the like, is laminated on a base material, and a pattern is formed on the surface by uneven shaping. Is known.

[0003]

In the conventional decorative leather as described above, since the unevenness pattern is simply formed on the surface of the metal evaporated foil, the noble dignity of the metal evaporated foil is provided. The elegance was not fully utilized and the range of application as a product was limited. On the other hand, if a beautiful printed pattern can be applied to the surface of the metal vapor deposition foil by gravure printing or sublimation transfer, the aesthetic sense can be dramatically enhanced, and diversification as a product can be greatly expected. However, as is common knowledge in the leather industry, it has been said that the printing ink does not get on the surface of the metal-deposited foil so far, and even if you actually print it, the adhesion between the metal-deposited foil and the printing ink will be easy and it will be easily rubbed. It has fallen and has not been commercialized until now.

The present invention solves the above problems and provides a decorative leather in which a surface of a metal vapor deposition foil is beautifully transferred or patterned by gravure printing, and an efficient manufacturing method of the decorative leather. The purpose is to do.

[0005]

In order to achieve the above object, the decorative leather of the first invention of this application is capable of gravure printing on a substrate made of polyvinyl chloride or polyurethane leather or sheet. It is characterized in that a metal vapor deposition foil which has been subjected to various treatments is laminated and an arbitrary pattern is applied to the surface of the metal vapor deposition foil by gravure printing.

The decorative leather of the second invention of this application is obtained by laminating a metal vapor deposition foil which has been subjected to a treatment capable of sublimation transfer onto a substrate made of polyvinyl chloride or polyurethane leather or a sheet. A desired pattern is sublimated and transferred onto the metal vapor deposition foil by a transfer paper.

A third invention of this application is an invention of a method for producing the decorative leather of the first invention, which comprises a base material made of polyvinyl chloride or polyurethane leather or a sheet for a base material. Special consisting of an adhesive layer, a metal vapor deposition film such as aluminum, a metal adhesive layer obtained by diluting a triisocyanate compound or a polycarbonate compound, a polyurethane isocyanate with an organic solvent, and a printing characteristic treatment layer formed of an organic solvent-soluble resin It is characterized in that a metal vapor deposition foil is laminated via an adhesive for a substrate, and an arbitrary pattern is gravure-printed on the printing property processing layer.

The fourth invention of this application is the same as the second invention.
An invention of a method for producing the decorative leather of the invention of
An adhesive layer for a substrate, a metal vapor deposition film such as aluminum, a triisocyanate compound or a polycarbonate compound, and a metal adhesive obtained by diluting a polyurethane isocyanate with an organic solvent on a substrate made of a polyvinyl chloride or polyurethane leather or sheet. Layer and a printing characteristic treatment layer formed of an organic solvent-soluble resin are laminated with an adhesive material for a substrate through a special metal vapor deposition foil, and a transfer characteristic treatment comprising a thermoplastic resin is performed on the special metal vapor deposition foil. It is characterized in that a layer is formed, and thereafter, an arbitrary pattern is sublimated and transferred onto the transfer characteristic treatment layer through a transfer paper.

Further, a fifth invention of this application is an invention of another method for producing the decorative leather of the second invention, which is one in which a leather or sheet made of polyvinyl chloride or polyurethane is used. , An adhesive layer for a substrate, a metal vapor deposition film such as aluminum, a triisocyanate compound or a polycarbonate compound, a metal adhesive layer obtained by diluting polyurethane isocyanate with an organic solvent, and a printing property treatment layer formed of an organic solvent-soluble resin A sheet of metal is formed by laminating a special metal vapor deposition foil consisting of and with an adhesive for a substrate, on the other hand, a surface finishing layer is applied to a releasable substrate, and a transfer paper is placed on the surface finishing layer. By sublimation transfer of any pattern to form a pattern film, and a triisocyanate compound or a polycarbonate compound, polyurethane isocyanate on the surface of the sheet-like material. A metal adhesive diluted with a machine solvent is applied, and at the same time, the transfer layer surface of the pattern film is coated with the metal adhesive or a metal adhesive further diluted with the metal adhesive to form a sheet-shaped product and a pattern film. It is characterized in that pressure-bonding is performed, and then the releasable base material is peeled off.

A sixth invention of this application is an invention of another method for producing the decorative leather of the second invention, wherein a base material made of leather or sheet of polyvinyl chloride or polyurethane is used as a base material. Adhesive layer for materials, a metal vapor deposition film such as aluminum, a triisocyanate compound or a polycarbonate compound, a metal adhesive layer obtained by diluting polyurethane isocyanate with an organic solvent, and a printing property treatment layer formed of an organic solvent-soluble resin The special metal vapor deposition foil is laminated with an adhesive for a substrate, a transfer characteristic treatment layer made of a thermoplastic resin is formed on the special metal vapor deposition foil, and an arbitrary uneven pattern is formed on the transfer characteristic treatment layer. After being embossed with an engraving roll that has been subjected to, an arbitrary pattern is sublimated and transferred through a transfer paper.

The seventh invention of this application is based on the second invention.
An invention of yet another method for producing the decorative leather of the invention, wherein a base material made of polyvinyl chloride or polyurethane leather or sheet, a base material adhesive layer, and a metal vapor deposition film such as aluminum. , A triisocyanate compound or a polycarbonate compound, a metal adhesive layer obtained by diluting polyurethane isocyanate with an organic solvent, and a special metal vapor deposition foil consisting of a print characteristic treatment layer formed of an organic solvent-soluble resin, via an adhesive material for a substrate. Along with laminating, a transfer characteristic treatment layer made of a thermoplastic resin is formed on the surface of the special metal vapor deposition foil, and then an arbitrary pattern is sublimated and transferred onto the transfer characteristic treatment layer via transfer paper, and then the sublimation transfer is performed. It is characterized in that the surface is embossed with an engraving roll having an arbitrary uneven pattern.

[0012]

[Function] An adhesive layer for a base material, a metal vapor deposition film of aluminum or the like,
A special metal vapor deposition foil formed by a metal adhesive layer obtained by diluting a triisocyanate compound or a polycarbonate compound or a polyurethane isocyanate with an organic solvent, and a printing property treatment layer formed of an organic solvent-soluble resin is a metal deposition film and a printing property. Since the treatment layer is firmly adhered by a metal adhesive obtained by diluting a triisocyanate compound, a polycarbonate compound, or a polyurethane isocyanate with an organic solvent, it is possible to form a pattern by gravure printing on the special metal vapor deposition foil, and further perform printing characteristics treatment. By providing the transfer characteristic treatment layer on the layer, sublimation transfer can be easily performed on the special metal vapor deposition foil. Therefore, the special metal vapor deposition foil and the printed pattern by gravure printing or sublimation transfer are not firmly fixed and peeled off, and as a result, a novel pattern with a beautiful pattern is applied on the special metal vapor deposition foil. It is possible to obtain leather easily.

The present invention will be described in more detail below with reference to the drawings. FIG. 1 is a perspective view of an embodiment of a decorative leather according to the first invention, FIG. 2 is a partially enlarged sectional view thereof, 1 is a base material, 2 is a special metal vapor deposition foil, and 5 is the special metal vapor deposition foil. It is a pattern that is gravure printed on 2. The base material 1 is
Use polyvinyl chloride or polyurethane leather or sheet. The special metal vapor deposition foil 2 includes a base material adhesive layer 2a made of vinyl chloride, acrylic, polyurethane, or synthetic rubber, a metal vapor deposition film 2b made of aluminum or other metal, and a triisocyanate compound. 20 parts by weight diluted with 80 parts by weight of an organic solvent such as methylene chloride, trichlene, ethyl acetate, toluene or the like, a polycarbonate compound, 20 parts by weight of polyurethane isocyanate, an organic material such as methyl ethyl ketone, dimethylformamide, toluene, ethyl acetate A metal adhesive layer 2c diluted with 80 parts by weight of a solvent, vinyl chloride, a copolymer of vinyl chloride and vinyl acetate, polyurethane (organic solvent such as one-pack type), or an organic solvent-soluble resin such as acrylic resin is selected. And the printing characteristic processing layer 2d.

The decorative leather A having the above structure is manufactured, for example, as follows. That is, a base material adhesive 4 made of vinyl chloride, acrylic, polyurethane or synthetic rubber is applied onto the base material 1, and the special metal vapor deposition foil 2 is applied via the base material adhesive 4. Laminate. Then, gravure printing is performed on the printing property processing layer 2d of the special metal vapor deposition foil 2 to form a striped striped pattern 5 as shown in FIG.

FIG. 3 is a perspective view of an embodiment of the decorative leather according to the second invention of this application, and FIG. 4 is a partially enlarged sectional view thereof. In FIGS. 3 and 4, the same components as those of the decorative leather A of the first invention are designated by the same reference numerals. Explaining this, the decorative leather 1A of the second invention differs from the decorative leather A of the first invention in that a transfer characteristic processing layer 6 is further formed on the printing special processing layer 2d of the special metal vapor deposition foil 2. Then, the desired pattern or pattern 7 is sublimated and transferred onto the transfer characteristic processing layer 6.

The decorative leather 1A having the above structure is
It is manufactured as follows. That is, FIG.
As shown in (e), after applying the base material adhesive 4 on the base material 1 and laminating the special metal vapor deposition foil 2, polyurethane (one-pack type), polyvinyl chloride ( And a transfer characteristic-treating layer 6 selected from a copolymer of polyvinyl chloride and vinyl acetate. Next, a transfer paper 8 on which a desired pattern or pattern 7 is printed is superposed on the transfer characteristic processing layer 6, and thereafter, sublimation transfer is performed by heating at 100 to 160 ° C., and the transfer paper 8 is transferred onto the transfer characteristic processing layer 6. The pattern and pattern 7 are transferred. Then, a surface treatment layer 9 is formed by laminating a polyvinyl chloride film or a polyurethane film as needed.

FIG. 6 is a schematic structural diagram of an apparatus used for carrying out another method of manufacturing the decorative leather 1A according to the second invention of this application. In this embodiment, decorative leather can be manufactured continuously. In FIG. 6, 11
a and 11b are adhesive tanks symmetrically arranged, and one of the adhesive tanks 11a has a triisocyanate compound 20.
An adhesive obtained by diluting parts by weight with 80 parts by weight of an organic solvent such as methylene chloride, trichlene, ethyl acetate, and toluene is supplied, and the adhesive or the adhesive is further added to the other adhesive tank 11b with methylene chloride or trichlene. An adhesive diluted with ethyl acetate and toluene is supplied. These adhesive tanks 11a and 11b have adhesive applying rolls 12a,
12b is arranged.

Then, the substrate 1 is placed in one of the adhesive tanks 11a.
The sheet-like material B having the special metal vapor deposition foil 2 laminated thereon is wound into a long roll and supplied through a supply roll 13a,
An adhesive is applied onto the printing characteristic treatment layer 2d of the special metal vapor deposition foil 2. The sheet-like material B to which the adhesive is attached is sent to the tunnel-shaped drying furnace 15a through the guide roll 14a, and is transferred by the roll conveyor 16a to 80-1.
The adhesive is heated and dried at a temperature of 20 ° C., and the adhesive is sent out from the drying furnace 15a in a sticky state.

On the other adhesive layer 11b, a releasable substrate 17 is coated with a surface finishing layer 18 as shown in FIG.
A pattern film 1B obtained by sublimating and transferring a desired pattern 7 on the surface finishing layer 18 is wound into a long roll to form a supply roll 1.
3b, and the adhesive is attached to the sublimation transfer surface of the pattern film 1B. Pattern film 1 with adhesive
B is a tunnel-shaped drying furnace 1 through a guide roll 14b
5b, is heated and dried at a temperature of 100 to 160 ° C. while being transferred by the roll conveyor 16b, and the adhesive is sent out from the drying furnace 15b in a sticky state.

The sheet-like material B sent from the drying ovens 15a and 15b and the pattern film 1B are brought into contact with each other with the surfaces of the adhesives in a sticky state, and are pressure-bonded by the pressure-bonding roll pairs 17a and 17b to be united. After being cooled at 18b,
The releasable base material 17 is peeled off by the pair of separation rolls 19a and 19b and wound on the roll 20.

FIG. 8 is a partially enlarged perspective view of a decorative leather 2A obtained by the sixth invention of this application, and FIG. 9 is a sectional view thereof. Explaining this, first, the base material adhesive 4 is applied onto the base material 1 to laminate the special metal vapor deposition foil 2, and then the polyurethane (one-pack type), polyvinyl chloride ( And a transfer characteristic-treating layer 6 selected from a copolymer of polyvinyl chloride and vinyl acetate. Next, the transfer characteristic treatment layer 6 is embossed by an engraving roll having a texture pattern of a woven fabric, and then the desired pattern is formed on the transfer characteristic treatment layer 6 which is embossed. Sublimation transfer is performed by stacking transfer papers having the patterns 22 printed thereon.

Decorative leather 2A thus obtained
In addition to the noble dignity and elegance of the special metal vapor deposition foil 2, it is a completely novel one that gives the impression of a high-class textile sense such as Nishijin weave.

FIG. 10 is a partially enlarged perspective view of a decorative leather 3A obtained by the seventh invention of this application, and FIG. 11 is a sectional view thereof. Explaining this, the seventh aspect differs from the sixth aspect in that the transfer characteristic processing layer 6 is
The point is that after a desired pattern or pattern 22 is sublimated and transferred onto it, embossing is applied by an engraving roll on which a woven texture pattern is formed.

Decorative leather 3A thus obtained
In comparison with the sixth invention in which embossing is applied before sublimation transfer, the pattern 7 is more clearly revealed and the color feeling is excellent.

[0025]

As described above, the present invention provides an adhesive layer for a substrate, a metal vapor deposition film of aluminum or the like, a metal adhesive layer obtained by diluting a triisocyanate compound or a polycarbonate compound or polyurethane isocyanate with an organic solvent. By forming a special metal vapor deposition foil composed of a printing characteristic treatment layer formed of an organic solvent-soluble resin and laminating the special metal vapor deposition foil on a substrate, sublimation transfer or gravure printing is performed on the metal foil. A noble and elegant ornamental leather suitable for use in footwear, shoes, bags, bags, upholstered fabrics or notebooks, journals, stationery items such as albums, which can be colored as desired. Can be obtained.

[Brief description of drawings]

FIG. 1 is a perspective view of an embodiment of a decorative leather according to the first invention.

2 is a partially enlarged sectional view of FIG.

FIG. 3 is a perspective view of an embodiment of a decorative leather according to the second invention.

FIG. 4 is a partially enlarged sectional view of FIG.

5 (a) to (e) are process explanatory views for manufacturing the decorative leather of FIG.

FIG. 6 is a schematic structural diagram of an apparatus for manufacturing the decorative leather of FIG.

FIG. 7 is a partially enlarged sectional view of a pattern film.

FIG. 8 is a partially enlarged perspective view of the decorative leather obtained by the sixth invention.

9 is a sectional view of FIG.

FIG. 10 is a partially enlarged perspective view of the decorative leather obtained by the seventh invention.

11 is a sectional view of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Base material 2 Special metal vapor deposition foil 2a Base material adhesive layer 2b Metal vapor deposition film 2c Metal adhesive layer 2d Printing characteristic processing layer 4 Base material adhesive 6 Transfer characteristic processing layer 5,7,22 Pattern 8 Transfer paper A, 1A, 2A, 3A Decorative leather B Sheet material 1B Pattern film

Claims (7)

[Claims] 1. A metal vapor deposition foil which has been subjected to gravure printing treatment is laminated on a base material made of polyvinyl chloride or polyurethane leather or a sheet, and an arbitrary pattern is formed on the metal vapor deposition foil by gravure printing. Decorative leather characterized by having been applied. 2. A metal vapor deposition foil which has been subjected to a treatment capable of sublimation transfer is laminated on a substrate made of polyvinyl chloride or polyurethane leather or a sheet, and a desired pattern is formed on the metal vapor deposition foil with a transfer paper. A decorative leather characterized by sublimation transfer. 3. An adhesive layer for a base material, a metal vapor deposition film such as aluminum, a triisocyanate compound or a polycarbonate compound, and a polyurethane isocyanate on a base material made of a polyvinyl chloride or polyurethane leather or sheet with an organic solvent. A special metal vapor deposition foil consisting of a diluted metal adhesive layer and a print characteristic treatment layer formed of an organic solvent-soluble resin is laminated via an adhesive for a substrate, and an arbitrary pattern is formed on the print characteristic treatment layer. A method for producing decorative leather, which comprises gravure printing. 4. An adhesive layer for a base material, a metal vapor deposition film such as aluminum, a triisocyanate compound or a polycarbonate compound, and a polyurethane isocyanate on a base material made of polyvinyl chloride or polyurethane leather or sheet with an organic solvent. A special metal vapor deposition foil consisting of a diluted metal adhesive layer and a printing property treatment layer formed of an organic solvent-soluble resin is laminated via an adhesive for a substrate, and a thermoplastic resin is applied on the special metal vapor deposition foil. A method for producing a decorative leather, comprising forming a transfer characteristic-treating layer made of, and then sublimating and transferring an arbitrary pattern onto the transfer characteristic-treating layer via a transfer paper. 5. An adhesive layer for a base material, a metal vapor deposition film such as aluminum, a triisocyanate compound or a polycarbonate compound, and a polyurethane isocyanate on an organic solvent on a base material made of polyvinyl chloride or polyurethane leather or sheet. A special metal vapor deposition foil consisting of a diluted metal adhesive layer and a print characteristic treatment layer formed of an organic solvent-soluble resin is laminated via an adhesive for a substrate to form a sheet-like object, while a mold release A surface finishing layer on a flexible substrate, and sublimate and transfer an arbitrary pattern onto the surface finishing layer via a transfer paper to form a pattern film, and a triisocyanate compound or a polycarbonate compound, polyurethane on the sheet material. A metal adhesive obtained by diluting isocyanate with an organic solvent is applied, and the metal adhesive or the metal is applied to the transfer layer surface of the pattern film. A method for producing a decorative leather, which comprises applying a metal adhesive obtained by further diluting the adhesive, press-bonding the sheet-like material and the pattern film under pressure, and then peeling off the releasable base material. 6. An adhesive layer for a base material, a metal vapor deposition film such as aluminum, a triisocyanate compound or a polycarbonate compound, and a polyurethane isocyanate on an base material made of a polyvinyl chloride or polyurethane leather or sheet with an organic solvent. A special metal vapor deposition foil consisting of a diluted metal adhesive layer and a printing property treatment layer formed of an organic solvent-soluble resin is laminated via an adhesive for a substrate, and a thermoplastic resin is applied on the special metal vapor deposition foil. A transfer characteristic-treating layer consisting of is formed on the transfer-characteristic-treating layer, which is further embossed with an engraving roll having an irregular pattern on the transfer characteristic-treating layer, and is then sublimated and transferred through a transfer paper. A method for manufacturing decorative leather. 7. An adhesive layer for a base material, a metal vapor deposition film such as aluminum, a triisocyanate compound or a polycarbonate compound, and a polyurethane isocyanate on an base material made of a polyvinyl chloride or polyurethane leather or sheet with an organic solvent. A special metal vapor deposition foil consisting of a diluted metal adhesive layer and a printing property treatment layer formed of an organic solvent-soluble resin is laminated via an adhesive for a substrate, and a thermoplastic resin is applied on the special metal vapor deposition foil. After forming a transfer characteristic-treating layer made of, and sublimating and transferring an arbitrary pattern on the transfer characteristic-treating layer via a transfer paper, the sublimation transfer surface is embossed with an engraving roll having an arbitrary uneven pattern. A method for producing decorative leather, which is characterized by the above.