JP2001239799A - Manufacturing method of color transfer sheet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To manufacture a color transfer sheet capable of effecting transfer print of a letter, a photograph, a pattern or the like, which is described by a copying machine for business, a printer for a personal computer or paint for picture, simply on various materials. SOLUTION: A colored image is formed on the surface of a synthetic resin layer of a paper for transfer and a re-separating type adhesive film is superposed on the surface of the image to bond by pressure, then, water is impregnated into water-soluble paste from the side of the paper substrate of the transfer paper. Thereafter, the paper substrate is separated whereby the color transfer sheet can be obtained.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention makes it possible to easily transfer and print characters, photographs, and designs drawn by office copying machines or printers of personal computers, or drawn with paints for painting, onto various types of materials to be transferred. The present invention relates to a method for manufacturing a color transfer sheet.

[0002]

2. Description of the Related Art Conventionally, as this type of transfer printing method, there is a method of manufacturing a transfer sheet for color copying (Japanese Patent Application No. 229205/1996). The transfer adhesive used for conventional transfer paper uses a hot-melt adhesive (hot melt) that does not produce adhesiveness at room temperature because the paper comes into contact with internal components when it passes through a copying machine. Was. For this reason, when transferring an image to a material to be transferred, it was necessary to prepare a hot press in order to reactivate the adhesive. The demand of the market is a simple and convenient transfer sheet that transfers an image only by rubbing without using a special machine, and aims to achieve the above object by improving the method of manufacturing the conventional transfer sheet. Things.

[0003]

A method for solving the above-mentioned drawbacks is to use a pressure-sensitive adhesive which causes an image to adhere to each material when pressed at room temperature. However, when using an adhesive, an oil-based release agent such as silicon applied to a paper substrate causes the following problems. That is, since the pressure-sensitive adhesive is viscous at room temperature, it is more fluid than the heat-sensitive adhesive, and when the image is formed, the foil is adhered after the image is formed, and the coating is removed from the non-image portion, the image is removed. However, there is a disadvantage that the toner is easily dropped from the transfer paper. When the release performance of the release agent is weakened or the adhesive strength of the pressure-sensitive adhesive is increased, it becomes difficult to transfer an image to a removable pressure-sensitive adhesive film used for retransfer to a material. For this reason, it is difficult to achieve the above object by simply changing the conventional material from an adhesive to an adhesive, and in order to solve this, the image must be obtained until immediately before the image is transferred to the material. Did not peel off from the paper base, and when all image forming processes were completed,
It is necessary to give the transfer paper the property that the image peels off.

[0004]

In order to achieve the above object, in the method for producing a color transfer sheet according to the present invention, a water-soluble glue, an adhesive layer and a synthetic resin layer are sequentially laminated on the surface of a paper substrate. Transfer paper is provided. A color image by an electrostatic dry copying machine, an image by a laser printer or a hot-melt printer for a personal computer, or a drawn image by a paint mainly containing a synthetic resin such as acrylic paint is formed on the surface of the transfer paper. An adhesive film having a removable adhesive layer on the surface of the image is polymerized and pressed,
Thereafter, the water-soluble paste is melted by impregnating the paper base and the water-soluble paste with water, and the image is transferred from the pressure-sensitive adhesive layer to the removable adhesive film side.

[0005] Examples of the water-soluble paste include dextrin, carboxymethyl cellulose (CMC), polyvinyl alcohol (PVA) and the like. As the adhesive, a synthetic rubber-based adhesive is suitable. The reason is that when the adhesive layer other than the image portion is removed as a masking film (resist film) of a color image as a masking film (resist film), it is easily melted with an organic solvent having a low solubility that does not melt the color image. This is because they are excellent in workability and health and safety. As the synthetic resin layer, acrylic and polyurethane-based ones are suitable from the viewpoints of copy suitability and solvent meltability (melt with an organic solvent having lower solubility than color images). The color of the synthetic resin layer may be white, transparent, blue, or the like, depending on the purpose of transfer. That is, if you want to conceal the transfer of the color image and transfer it, you can get white, if you want to obtain a translucent color, it is transparent, if you want to transfer the gold foil by heat bonding it to the toner image, it is blue. Is suitable.

Further, after a color image is formed on the surface of a transfer paper, an organic solvent that does not melt the color image but melts the synthetic resin layer and the adhesive layer is contained in tissue paper or the like, and the image surface is wiped off. Plays the role of resist film,
The synthetic resin layer and the adhesive layer in the non-image area can be removed. Thereafter, the color transfer sheet capable of transferring only the image portion can be obtained by polymerizing the re-peelable pressure-sensitive adhesive film and peeling the paper substrate.

Further, after a color image is formed with a dry toner, the synthetic resin layer and the pressure-sensitive adhesive layer other than the color image are removed by the above-described method, and a transfer foil such as gold or white is placed on the remaining color image. By polymerizing and heating and pressing,
It is possible to obtain a transfer image of a metallic tone or white which is not present in the toner. Further, if a transfer resin using a transparent resin is used, it is possible to transfer the toner in a form in which a transparent film as a protective layer is laminated on the surface of a color image by toner. Furthermore, a transfer image of a desired color can be obtained by laminating on a toner image using a white transfer foil and then coloring the white layer with a commercially available color ink or color pencil.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment according to the present invention will be described with reference to the drawings. FIG. 1 (a) shows a transfer paper (1), and a sheet-shaped paper base ( The water-soluble paste (3) and the pressure-sensitive adhesive layer (4) on the surface of 2) and the synthetic resin layer (5) on the surface are sequentially laminated. As shown in FIG. 1B, a color image (6) is copied and formed on the surface of the transfer sheet (1) by an electrostatic dry copying machine. Thereafter, as shown in FIG. 3C, a re-peelable pressure-sensitive adhesive film (7) is polymerized and pressed on the surface side of the color image (4). The removable pressure-sensitive adhesive film (7) is provided with a removable pressure-sensitive adhesive (8) as shown in the figure below, and an adhesive film substrate (9) is polymerized on the upper surface thereof. Then, as shown in (d), the paper base (2) is peeled off by impregnating the water-soluble paste (3) with water from the paper base (2) side. A color transfer sheet (10) as shown in the figure can be obtained. Next, the state of use of the transfer of the color transfer sheet (10) will be described. As shown in FIG. 1 (f), the color transfer sheet (10) is superposed and pressed onto various transfer-receiving materials (12). Later, as shown in FIG.
Peelable adhesive (8) for adhesive and removable peelable film (7)
And a color image (6) appears on the surface of the material to be transferred (12) by peeling off.

Next, the embodiment shown in FIG. 2 will be described. As shown in FIG. 2A, FIG. 2B shows a state in which a color image (6) is copied and formed on the surface of a transfer sheet (1). As shown in the figure, the adhesive layer (4) and the synthetic resin layer (5) in the non-image area are removed by applying and wiping an organic solvent (13) that does not melt the color image (6). Thereafter, as shown in FIG. 3C, a re-peelable pressure-sensitive adhesive (8) of a re-peelable pressure-sensitive adhesive film (7) is polymerized and pressed onto the surface of the color image (6). Next, as shown in (d), the water-soluble paste (3) is impregnated with water from the paper substrate (2) side. afterwards,
(E) As shown in the figure, the color transfer sheet (11) is formed by peeling the paper substrate (2). Then, for use, FIG. 1 (f) and FIG.
It is used by the same operation steps as those in the figure.

Next, the embodiment shown in FIG. 3 will be described. FIG. 3 (1) in FIG. 3 (b) which has been treated with the organic solvent (13) in FIG. (2) As shown in the figure, a transfer foil substrate (16) is provided on the color image (6).
The surface of the color foil layer (17) of the transfer foil (15) obtained by polymerizing a color foil layer (17) such as gold or white is polymerized and laminated by thermal bonding, and thereafter, as shown in FIG. as,
By peeling off the transfer foil (15), the color foil layer (17) of gold or white adheres to the surface of the color image (6) and appears.

FIG. 3 (4) shows a color image (6) shown in FIG. 3 (3) after a color foil layer (17) is deposited on the surface by thermal bonding. And
Various color inks (18) are adhered with a coating material (19) or the like to form a color transfer sheet for coloring the surface of the color foil layer (17) with another color.

[0012]

[Experimental example] The transfer paper used was water transfer paper for ceramics in which water-soluble dextrin was coated on the surface of a water-absorbing paper, and an adhesive made by Teikoku Ink Co., Ltd. and polyurethane were printed on the surface of this paper by silk-screen printing. A toner image was formed on a transfer paper obtained by sequentially applying and drying a series of white inks using a Ricoh color copier (Pretail). After attaching a re-peelable adhesive film (SOFTAC) made by Dainippon Ink and pressing the image surface with a spatula, water is applied to the back surface of the transfer paper to melt the dextrin and transfer the transfer paper. The sheet was peeled off, and the water was evaporated and dried to obtain a color transfer sheet.

Next, to transfer to the material, the adhesive surface of the color transfer sheet is polymerized on the material to be transferred, and the color image is peeled off from the adhesive film by strongly rubbing with a spatula from above, so that the color image is transferred to the surface of the material to be transferred. Transfer. Also, after a character image of 100% yellow was formed on a transfer paper by Ricoh color copy, the image surface was wiped off with a tissue paper containing isopropyl alcohol, and the toner did not melt.
The adhesive and the white ink in the portion where no toner was applied could be removed. From this state, the pressure-sensitive adhesive film was polymerized and pressed in the same manner as above, and the paper was peeled off and dried from the back surface of the transfer paper to obtain a color transfer sheet in which only the toner image portion remained.

Further, as a means of forming a color image, in addition to the above-mentioned color copying, a photograph is printed by a hot-melt type printer MD5000 for personal computers manufactured by Alps Co., Ltd., and a design is transferred to a transfer paper using acrylic paint litex by Bunny Corporation. A good color transfer sheet was obtained when produced using the above drawing. Also,
After forming a 100% yellow character on the transfer paper by Ricoh color copy, the adhesive layer and the white ink layer in the non-image area were removed by the above-described method, and then Nakai Metal Industry B
H gold transfer foil is polymerized on toner and roller surface temperature 1
Heated and pressed by a laminator manufactured by Fujipla at 50 ° C,
When produced by laminating gold foil on the toner, a good color transfer sheet of golden color was obtained.

Further, after a character of 100% yellow is formed on the transfer paper by a color copy manufactured by Ricoh Company, the adhesive layer and the white ink layer in the non-image area are removed by the above-mentioned method, A white transfer foil made by laminating on a toner in the same manner as above was prepared, and produced by coloring the white layer with an alcoholic red copic marking pen made by Too Co., Ltd. A transfer sheet was obtained. When coloring with a marking pen, ink is also applied to blank areas other than the image area, but since there is no adhesive remaining in that area, it is not transferred to the material, only the red color of the image area Transcribed. In addition to the marking pen, color pencils manufactured by Mitsubishi Pencil Co., Ltd. produced good results.

[0016]

As described above, according to the transfer sheet of the present invention, the effect of eliminating the need for a special machine for transferring the image as in the related art, and the use of the conventional sheet for the user. Color copiers and personal computer printers can be diverted, and there is also an effect that new capital investment costs are not required. Furthermore, since the adhesive of the present invention uses an ordinary pressure-sensitive adhesive, it can be transferred to various materials to be transferred which are very weak to heat as compared with a conventional hot-melt adhesive. There is a convenient effect that can be adapted to many. Also,
Unnecessary parts other than color images are not transferred, so even in applications such as creating samples of products to be actually printed, a convenient effect that the same finish as the printed one can be confirmed. Since it is not required, there is an excellent effect that color transfer can be performed on a signboard, a structure, a vehicle, and the like outdoors. Further, according to the present invention, there is also an effect that any person can easily and surely create the image in a short time without requiring advanced technology and skill.

[Brief description of the drawings]

FIG. 1 is a vertical sectional side view showing a manufacturing process and a use state from (a) to (g) of the present invention.

FIG. 2 is a vertical sectional side view showing the manufacturing process of FIGS. 2A to 2E of the present invention.

3 (1) to 3 (5) are longitudinal side views showing other manufacturing steps.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Transfer paper 2 Paper base material 3 Water-soluble glue 4 Adhesive layer 5 Synthetic resin layer 6 Color image 7 Removable adhesive film 8 Removable adhesive 9 Adhesive film base material 10 Color transfer sheet 11 Color transfer sheet 12 Coated Transfer material 13 organic solvent 15 transfer foil 16 transfer foil substrate 17 color foil layer 18 color ink 19 paint

Claims (5)

[Claims] 1. A sheet-like paper substrate (2) made of paper or the like.
A transfer paper (1) formed by sequentially laminating a water-soluble paste (3), an adhesive layer (4) and a synthetic resin layer (5) on the surface of the transfer paper (1); A color image (6) is formed on the surface of the layer (5), and then a removable pressure-sensitive adhesive (8) of a removable pressure-sensitive adhesive film (7) is polymerized and pressed on the surface of the color image (6). A method for producing a color transfer sheet, characterized by being obtained by impregnating the water-soluble paste (3) with water from the paper substrate (2) side and then peeling off the paper substrate (2). 2. After the color image (6) is copied on the surface of the transfer paper (1) according to claim 1, an organic solvent (13) that does not melt the color image (6) is applied and wiped off to remove the non-image portion. After removing the pressure-sensitive adhesive layer (4) and the synthetic resin layer (5),
After the re-peelable pressure-sensitive adhesive (8) of the re-peelable pressure-sensitive adhesive film (7) is polymerized and pressed onto the surface of the color image (6), the paper base (2) side contacts the water-soluble paste (3). Impregnated with water,
2. The method for producing a color transfer sheet according to claim 1, wherein the method is obtained by peeling the paper substrate (2). 3. The color transfer sheet according to claim 1, wherein the color image (6) is formed by electrostatic dry copying or drawing by using a printer for a personal computer and a synthetic resin ink. Method. 4. After the color image (6) of claim 1 is formed by electrostatic dry toner, a transfer foil (15) of gold or white is laminated on the color image (6) by heat bonding. 2. The method for producing a color transfer sheet according to claim 1, wherein: 5. After the color image (6) of claim 1 is formed with an electrostatic dry toner, a white transfer foil (15) is laminated on the color image (6) by thermal bonding, and the transfer is performed. The method for producing a color transfer sheet according to claim 1, wherein the color ink (18) is colored on the color foil layer (17) after the foil (15) is peeled off.