JP2655382B2 - Manufacturing method of laminate using copier - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a laminate in which a colored portion is formed on a surface of a synthetic resin thin film formed on a release paper surface by using a copying machine, for example, a colored pattern such as shoes, bags and sheets. The present invention relates to a method for producing a laminate suitable for imparting the following.

[0002]

2. Description of the Related Art Conventionally, when coloring materials such as bags, bags, footwear such as shoes, etc. with a pattern or the like, printing is most common. Various methods such as gravure, offset, and screen can be used as the printing method. In any case, a roll, a plate, a screen, and the like are required, and the expression is simple and lacks in naturalness. The technology is inherently suitable for mass production, not for the production of small quantities and high varieties. Therefore, the transparent base paper is cut to the size of the original image, and the ink of the printed matter is heat-bonded to the transparent base paper with a special machine (transcopy machine). Then, the transparent base paper is put into a pulp dissolving solution and the pulp on the back side is removed. A method is known in which a scrape is removed, and an adhesive is thermally bonded to the ink surface of the transparent base paper, trimmed to a desired portion, and finally, the original is placed on an adherend (substrate) and thermally bonded by a transcopy machine. ing. This method is also suitable for the production of a large number of varieties in small quantities, but requires many steps as described above.

On the other hand, in the invention described in Japanese Patent Application Laid-Open No. 64-19360, a transfer method using a copying machine has been proposed. This method is also suitable for the production of many kinds of small-quantity products. First, a sheet consisting of a film, a silicon resin layer formed on the surface thereof, and a synthetic resin paint layer is used as copy paper, and the surface of the synthetic resin paint layer is used. Then, a toner layer is formed by copying with a copying machine. next,
After the toner layer and the surface of the adherend (substrate) are brought into contact with each other and heated and pressed, the film and the silicone resin layer are peeled off from the substrate side to form a toner layer and a synthetic resin paint layer on the substrate. Is formed. However, in the case of coloring the surface of a base material used for bags, shoes, and the like, extremely high durability is required, and the method of the invention described in Japanese Patent Application Laid-Open No. 64-19360 described above can obtain only unsatisfactory results. could not. In particular, in the case of a color copy, the toner is mainly composed of a styrene-acrylic copolymer resin as a main component. Therefore, if a clear color copy is to be obtained at the time of copying with a copying machine, a synthetic resin paint layer to be a copy target surface is obtained. It is necessary to use a material having a high affinity for the styrene / acrylic copolymer resin as the material for the resin. Examples of such a resin include a hot-melt type olefin-based resin and an ethylene / vinyl acetate copolymer resin, and this type of resin has low flex resistance and insufficient heat resistance, and is not suitable for bags and the like. When used as a base material for shoes or the like, the resin layer may be damaged, and even the toner layer may be damaged, leading to a situation in which coloring may come off. Further, the styrene-acrylic copolymer resin of the toner layer is hard but extremely brittle, and it is not possible to obtain sufficient bending resistance by forming only one layer on the surface of the toner layer. In addition, recently, in addition to copying using toner, a copying machine using an inkjet method has been developed. In the case of this ink jet method, a water-based or solvent-based dye is used as an image forming agent. In this case, as in the case of the toner, good coloring, bending resistance, and heat resistance are used. Needs to be satisfied. Further, in any of the conventional inventions, in any case, there is no proposal as to a method of stopping the transfer of the colored pattern and forming the irregularities on the surface of the base material together with the transfer of the colored pattern.

[0004]

SUMMARY OF THE INVENTION Accordingly, the present invention is intended to provide a coloring machine capable of sharply coloring by using a copying machine, and having an anti-bending property to the extent that it can be used as a surface coloring pattern layer for substrates such as bags and shoes. The present invention also provides a method of manufacturing a laminate having high heat resistance and which can be used by processing into a product having an appropriate shape such as shoes, bags, and sheets. In particular, it is intended to provide a method for manufacturing a laminate capable of efficiently forming irregularities on the surface of a base material while transferring a colored pattern.

[0005]

In order to solve the above problems, the inventors of the present invention have made the following inventions as a result of intensive studies. The first invention includes a release paper, a synthetic resin first thin film formed on the release surface, and a synthetic resin second thin film formed on the surface of the first thin film. Paper, wherein the first thin film has higher bending resistance and heat resistance than the second thin film, and the second thin film has a higher affinity for an image forming agent such as toner than the first thin film; An image forming layer such as toner is prepared by preparing a transparent or translucent first thin film and a second thin film, and copying an appropriate image on a surface of the second thin film of the sheet by a copying machine. When the surface of the second thin film having an image forming layer such as toner of the paper is brought into contact with the base material surface made of an appropriate material such as a synthetic resin, and is bonded by heating and pressing,
The unevenness is formed on the release paper, and the unevenness of the release paper is transferred to the base material at the time of the above-mentioned heating and pressing, and after transferring the unevenness to the substrate surface at the same time as the image transfer, the release paper is removed. And a method of manufacturing a laminate using a copying machine characterized by the above.

[0006] The second invention is selected from release paper, and polyurethane, modified polyurethane, polyester elastomer, copolymerized polyamide, modified polyamide, flexible fluororesin, and acrylic acid ester copolymer formed on the release surface. a first thin film made of synthetic resin, the first film of ethylene-vinyl acetate copolymer resin formed on the surface of the olefin-based copolymer resin, a polyamide resin, a polyester resin, an acrylic copolymer resin A paper comprising a selected synthetic resin second thin film, wherein the first thin film is a second thin film.
The second thin film has higher affinity with an image forming agent such as a toner than the first thin film, and the first thin film and the second thin film are transparent or heat-resistant. An image forming layer such as a toner is formed by preparing an image which is translucent and copying an appropriate image on a surface of the second thin film of the sheet by using a copying machine. When the surface of the second thin film having a layer is brought into contact with the surface of a base material made of an appropriate material such as a synthetic resin and joined by heating and pressing, irregularities are formed on the release paper. A method of manufacturing a laminate using a copying machine, wherein the unevenness of a release paper is transferred to a substrate, and the unevenness is transferred to the surface of the substrate simultaneously with the transfer of an image, and then the release paper is removed. I will provide a.

According to a third aspect of the present invention, in the first or second aspect, the unevenness formed on the release paper is formed by embossing. And a method for producing the same.

According to a fourth aspect of the present invention, in any one of the first or third aspect, a sheet is used as the substrate, and after the lamination is completed and the release paper is removed, the laminate is formed. Is processed into an appropriately shaped product such as shoes, bags, etc., and a method for manufacturing a laminate using a copying machine according to any one of claims 1 to 3 is provided.

Hereinafter, the present invention will be described in more detail with reference to the drawings. First, FIGS. 1 and 2 show a method according to the present invention. As a first step, a sheet 1 shown in FIG. 1 is prepared. The paper 1 includes a release paper 2, a synthetic resin first thin film 3 a formed on the release surface, and a synthetic resin second thin film 3 b formed on the surface of the first thin film.
And a sheet comprising:

The release paper 2 comprises a support layer 2a made of a suitable material such as paper and synthetic resin, and a release layer 2b formed on at least one surface thereof. The stripping layer 2b has the first
A material having good peelability from the thin film 3a, for example, a silicon resin or the like can be used. The release paper 2 must have strength and heat resistance that can withstand the heat and pressure in the final joining step. Further, when the first and second thin films 2a and 2b are formed by coating, the thin films need to be strong enough to withstand the coating operation without being affected by the solvent in the synthetic resin composition of these thin films.

The first thin film 3a is transparent or translucent,
It is composed of a component having flexibility enough to withstand the surface layer of bags, shoes, and the like. Specifically, polyurethane obtained by the reaction of polymer diol, organic polyisocyanate and chain extender, amino acid-modified polyurethane, organopolysiloxane Examples thereof include a polyurethane having a noxyl group, a polyester elastomer, a copolymerized polyamide, a modified polyamide, a soft fluororesin, a polyvinyl chloride, an acrylate copolymer, and the like, or a compound thereof.

The second thin film 3b is a component which is transparent or translucent and has a good affinity for an image forming agent such as a color toner for a copying machine or a dye for an ink jet. It is preferable to use a material having a good affinity for the substrate 5. Specific examples include EVA (ethylene / vinyl acetate copolymer resin), olefin copolymer resin, polyamide resin, copolymer polyester resin, and acrylic copolymer resin.

These thin films may be laminated on the release paper 2 by an appropriate means such as a laminating method, but a coating method is preferred from the viewpoint of easiness of the construction method. As a coating method, a brush coating, a spatula coating, a roll coater, a knife coater, a reverse coater, a curtain flow coater or any other appropriate means can be adopted. The resin is dissolved by a solvent and applied to the surface of the release layer 2b of the release paper 2. After that, it is formed by evaporating the solvent. Alternatively, the film can be formed by a melt thin film method. The solvent may be appropriately selected and used, but it is necessary that the solvent can dissolve each resin and does not attack the release layer 2b. In addition, a coloring agent may be added as needed to the extent that the transparency of each thin film is not impaired, or an appropriate additive such as an ultraviolet absorber, a surfactant, and a matting agent may be added.

The thickness of the paper can be freely changed within a range having a thickness and a size suitable for use as copy paper of a copying machine. When forming the first and second thin films, they may be continuously processed into a long shape, and may be cut to an appropriate size with a cutter or scissors.

Next, on the surface of the second thin film of the paper 1,
The image forming layer 4 is formed by copying an appropriate original image with a copying machine (FIG. 2). As the copying machine, a commercially available electronic copying machine such as a toner method or an ink-jet method can be used. The material of the color copy toner differs depending on the electronic copy maker, but each company generally uses a styrene-acryl copolymer resin. The original image is not particularly limited as long as it can be copied by an electronic copy machine such as a printed matter or a photograph, but there is no special condition. Cost.

Next, the image forming layer of the sheet 1 is brought into contact with the surface of a base material 5 made of an appropriate material such as a synthetic resin, and joined by heating and pressing (FIG. 2). As the base material 5, any suitable material such as synthetic leather (PVC-based leather, artificial leather), natural leather, woven fabric, knitted fabric, nonwoven fabric, and synthetic resin sheet can be used. As a joining method by heating and pressing, press, laminating method, etc. can be adopted, and heating and pressing may be performed simultaneously from both sides or one side, or conventional heating and pressing may be performed after heating. Can be appropriately selected and implemented.

The release paper 2 is formed with irregularities by embossing or the like. As a result, the unevenness of the release paper 2 is transferred to the base material 5 at the time of heating and pressing without forming the unevenness in the heating and pressing mold, and the unevenness can be transferred to the base material surface simultaneously with the image transfer ( (See FIG. 4) Two types of transfer can be performed in a single step, which is extremely advantageous.

After the joining is completed, the release paper 2 is removed (FIG. 2). As a result, the transfer is completed, and a laminated structure is formed on the surface of the base material 5 in the order of the image forming layer 4, the second thin film 3b, and the first thin film 3a, and the unevenness of the release paper 2 is also transferred to the base material 5. Is done. Therefore, the first thin film 3a is formed on the outermost surface of the base material.
The transferred image can be protected with sufficient mechanical strength such as bending resistance and heat resistance even when used severely as shoes or bags.

The substrate on which the transfer has been completed may be directly processed into shoes or bags, or may be further dyed. In this case, as the material of the first thin film 3a, it is preferable to select a material having good fixability of the dye.

[0020]

EXAMPLES Four examples (Examples 1 to 4) and 2
The following shows comparative examples (Comparative Examples 1 and 2). In Examples 1 to 3, copying and transferring were performed by a toner copying machine using the first thin film 3a and the second thin film 3b formed on the release paper 2. In the fourth embodiment, the first thin film 3a and the second
Copying and transferring are performed by an ink-jet copying machine using the thin film 3b. Example 5
Reference numeral 6 denotes a sheet formed by forming a second thin film 3b on a release paper 2 and then performing copying and transfer by a toner copying machine and then forming a first thin film 3a by post-processing. In Example 5, the first thin film 3a is formed by a spray method, and in Example 6, the first thin film 3a is formed by a flow coater method.
a is formed. In Comparative Example 1, copying and transfer were performed using only one synthetic resin layer (same as the first thin film 3a) formed on the release paper 2. In Comparative Example 2, copying and transferring were performed using only one layer of a synthetic resin layer (substantially the same as the second thin film 3b) formed on the release paper 2.

The release paper 2 used under the same conditions was used in each of the examples and comparative examples. Specifically, the support layer 2a
And a release layer 2b formed of silicon having a thickness of 5 μm on the support layer 2a. The heat resistance is 220 ° C. and the surface shape is flat. Note that the easily obtainable release paper 2 has a width of 10 mm.
Most are 7 to 154 cm, but in this example, 107 cm
Was used. The base material used in each of the examples and the comparative examples was the same under the same conditions. More specifically, a dry synthetic leather (component urethane) was used. Pressing was performed at 5 ° C. for 5 seconds.

In Examples 1 to 4 and Comparative Example 1, the resin liquid of the first thin film 3a was applied to the surface of the release layer 2b of the release paper 2 with a width of 100 cm by a roll coater method, and dried in a drying oven. Table 1 shows the resin liquid of the first thin film 3a and the processing conditions.
Shown in Next, in Examples 1 to 4, the synthetic resin liquid of the second thin film 3b was applied to the surface of the first thin film 3a by a roll coater method.
It was applied in a width of 0 cm and dried in a drying oven. Table 2 shows the resin liquid of the second thin film 3b and the processing conditions. Comparative Example 1
Then, the step of forming the second thin film 3b is not performed. The obtained paper was cut into appropriate dimensions, color-copied by an electronic copier, bonded to a substrate by heat and pressure treatment, and then peeled off to complete the paper. At this time, in Examples 1 to 3 and Comparative Example 1, copying using a toner was performed, and in Example 4, copying using an inkjet was performed.

Next, in Comparative Example 2, the resin liquid of the second thin film 3a was applied to the surface of the release layer 2b of the release paper 2 with a width of 100 cm by a roll coater method, and dried in a drying furnace. Table 2 shows the resin liquid of the second thin film 3b and the processing conditions. Next, the obtained paper was cut into appropriate dimensions, color-copied by an electronic copier using toner, and bonded to a substrate by heat and pressure treatment, and then the release paper was peeled off. In Comparative Example 2, the step of forming the first thin film 3a is not performed.

[0024]

[Table 1]

[0025]

[Table 2]

Tables 3 and 4 show the examples and comparative examples.
Tests were performed on the physical properties shown in
In each of adhesiveness, bending test, fir test, surface abrasion test, heat resistance test and crimping test, each example shows performance that can be sufficiently used as a material for shoes and bags, and Comparative Examples 1 and 2 show any test. However, it was inferior to each example and could not be used as a material for shoes or bags. In Table 3, note 1 is 0.2k
g / cm indicates that peeling between the image forming layer and the substrate occurred. Note 2 was 60,000 times, Note 3 was 30,000 times, Note 4 was 10,000 times, and Note 5 was 3,000 times, indicating that cracks occurred respectively. Note 6 indicates that peeling occurred between the respective layers of the synthetic resin layer, the image forming layer, and the substrate, and Note 7 indicates that the synthetic resin layer was damaged.

[0027]

[Table 3]

[0028]

[Table 4]

[0029]

In each of the inventions of the present application, a printing machine or a special technique is not required, a vivid coloring is possible, and a machine having a bending resistance and the like is used to the extent that it can be used as a base material for bags and shoes. The present invention has been able to provide a method capable of manufacturing a product having high mechanical strength and heat resistance using a copying machine. In particular, by forming the unevenness on the release paper by embossing or the like, the unevenness can be transferred to the substrate surface simultaneously with the transfer of the image, so that two types of transfer can be performed in a single step. It can be very advantageous.

[Brief description of the drawings]

FIG. 1 is a schematic sectional view of a sheet according to the present invention.

FIG. 2 is a schematic cross-sectional view showing a state from completion of copying to a state of completion according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Paper 2 Release paper 2a Support layer 2b Release layer 3a 1st thin film 3b 2nd thin film 4 Image formation layer 5 Base material

 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-60-230899 (JP, A) JP-A-2-134662 (JP, A) JP-A-59-176569 (JP, U)

Claims (4)

(57) [Claims] 1. A paper comprising a release paper, a synthetic resin first thin film formed on the release surface, and a synthetic resin second thin film formed on the surface of the first thin film. And the first
The thin film has higher bending resistance and heat resistance than the second thin film,
Prepare a film in which the second thin film has a higher affinity for an image forming agent such as toner than the first thin film, and the first thin film and the second thin film are transparent or translucent. An image forming layer such as toner is formed by copying an appropriate image on a surface of the thin film by a copying machine, and the surface of the second thin film having the image forming layer such as toner on the paper
Surface and the surface of a substrate made of a suitable material such as synthetic resin.
When bonding by heating and pressing,
Is formed, and the unevenness of the release paper is
Transferred to the material, and at the same time as the image
After transfer, the release paper is removed.
To manufacture a laminate using a copying machine. 2. A release paper and a synthetic resin selected from a polyurethane, a modified polyurethane, a polyester elastomer, a copolymerized polyamide, a modified polyamide, a soft fluororesin, and an acrylate copolymer formed on the release surface. a first thin film manufacturing, the first film of ethylene-vinyl acetate copolymer resin formed on the surface of the olefin-based copolymer resin, polyamide resin, polyester resin, synthetic selected from acrylic copolymer resin a paper and a second thin film made of a resin, high first thin film is flexing resistance and heat resistance than the second thin film, the image of the second thin film such as toner than the first film Prepare a material having a high affinity for the forming agent and a transparent or translucent first thin film and second thin film, and copy an appropriate image on the surface of the second thin film of the paper by a copying machine. Especially Ri to form an image formation layer such as toner, Table second thin film having an image forming layer of the toner and the like of the paper
Surface and the surface of a substrate made of a suitable material such as synthetic resin.
When bonding by heating and pressing,
Is formed, and the unevenness of the release paper is
Transferred to the material, and at the same time as the image
After transfer, the release paper is removed.
To manufacture a laminate using a copying machine. 3. An embossed pattern formed on a release paper.
Claims characterized by being formed by work
3. A method for producing a laminate using the copying machine according to 1 or 2. 4. The method according to claim 1, wherein a sheet is used as the base material, and after the lamination is completed and the release paper is removed, the laminate is processed into a product having an appropriate shape such as shoes and bags. Claim
A method for producing a laminate using the copying machine according to any one of claims 1 to 3 .