JP2000141991A - Color printing method for transfer receiving objects such as glass - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable a matter to which an image is transferred such as glass, porcelain or an enameled ware to be printed in a beautiful and distinct color by applying a transfer film with at least a peelable layer, a pattern layer and an adhesive layer to a matter to which an image is transferred and transferring a picture transfer layer and at the same time, performing a baking process after the peeling of a base sheet. SOLUTION: A transfer film 1 is composed of a base sheet 2 and a picture transfer layer 3 comprising a peelable layer 4, a pattern layer 5 and an adhesive layer 6 laminated on the base sheet 2 using a gravure printing process. A thermoplastic resin such as an acrylic resin or a vinyl resin is preferably used for the peelable layer 4 which is peeled from the base sheet 2 after transfer and becomes the surface of a matter 20 to which an image is transferred. The pattern layer 5 may be of a single layer from or a multicolor and multilayer form. For a material for the adhesive layer 6 which bonds the pattern layer 5 or the peelable layer 4 to the surface of the matter 20 to which an image is transferred, a heat-sensitive or a pressure-sensitive resin or the like is properly used. The transfer film 1 of the described construction is applied to the matter 20 to which an image is transferred, to transfer the picture transfer layer 3 and at the same time, a baking process is performed after the peeling of the base sheet 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for beautifully and vividly printing color pictures and photographs on products such as cups and dishes made of glass, pottery, enamel, etc. About.

[0002]

2. Description of the Related Art Conventionally, when color printing is performed on a product made of glass, ceramics, enamel, etc., silk-screen printing is mostly performed in consideration of ink adhesion to the product and heat resistance. It is done by. In addition,
In the printing of pottery and enamel products, in addition to the direct silk screen printing method similar to the above-mentioned glass product printing, after being transferred to the product by transfer paper, each color difference Although there is a method of performing silk screen printing only a number of times, the latter case also belongs to silk screen printing.

[0003]

However, according to the above-mentioned silk screen printing, ink is extruded from a mesh of a screen stretched over a frame, and printing is performed many times for each color difference. Therefore, since the printing is performed by extruding ink from the mesh of the screen, the printing is rough, and the printing is as sharp as a color photograph.
Color printing was not possible.

[0004] The present invention solves the above problems,
For products such as glass, pottery, enamel, etc.
Excellent Completion of printing, color of a picture or a photograph or the like can be beautifully clear (sharp) color printing than ever, and more
The transferred pattern (pattern) firmly adheres to the surface of the transferred object
It is an object of the present invention to provide a color printing method adapted to be performed .

[0005]

In order to achieve the above object, the first method of the present invention for color printing on an object to be transferred, such as glass, comprises a base sheet, and at least a release layer laminated on the base sheet. A transfer film composed of a painting layer having a design layer and an adhesive layer, and formed by gravure printing, is applied to an object to be transferred, and the painting layer is transferred and the base sheet is peeled off, followed by baking. Processing is performed.

[0006] In a second aspect of the present invention, a method for color printing on a transfer object such as glass is a painting layer having at least a release layer, a design layer, and an adhesive layer laminated on the base sheet. The transfer film formed by gravure printing is applied to a transfer target to be transferred, and after transferring the painting layer and peeling the base sheet, an overcoat layer is formed on the peeling layer of the painting layer. It is characterized by forming and finally performing a baking process.

In the first and second color printing methods, it is preferable that the object to be transferred is heated to a temperature higher than room temperature during transfer. Here, the temperature higher than the normal temperature is about 30 ° C. to about 1 ° C. in consideration of the temperature of the printing work site.
A temperature in the range of 00 ° C is desirable, but may be 100 ° C or higher or 30 ° C or lower in winter or the like.

[0008] A painting layer such as a pattern layer is firmly attached to the transfer receiving body.
If it is desired to adhere, a small amount of
Apply resin with high adhesion by silk printing or spraying
To form a coating layer. Not just the above adhesion
If high durability is desired, adhesion and durability
Resin is applied to the transferred material by silk printing etc.
Good.

[0009]

First Embodiment A first embodiment of the present invention will be described below with reference to FIG. FIG. 1 shows a sectional view of the transfer film of the present invention.

Reference numeral 1 denotes a transfer film. The transfer film 1 is composed of a base sheet 2, a release layer 4, a design layer 5, and an adhesive layer 6 laminated on the base sheet 2 by gravure printing. And layer 3.

In FIG. 1, reference numeral 20 denotes an object to be transferred, which is a product made of glass, pottery, enamel or a thermosetting resin such as melamine resin. This transfer object 20 is as described above.
Thus, the painting layer 3 is firmly adhered to the transferred
If durability is desired, the transfer film 1
20 before transferring the painting layer 3
Silk printing on the transfer receiving body 20 with excellent durability
It may be applied by spraying or spraying.

As a material of the base sheet 2, a plastic film such as polyester, polyethylene, polyethylene terephthalate, polypropylene, nylon, and cellophane, paper, or a composite film thereof is generally used as a base sheet of a transfer sheet. It is better to use one, and if there is any other appropriate one, it can be arbitrarily selected. After the transfer, the base sheet 2
Is peeled off from the painting layer 3 as shown in FIG.

The release layer 4 is preferably made of a thermoplastic resin such as an acrylic resin or a vinyl resin. This release layer 4
Is a portion which is peeled off from the base sheet 2 as shown in FIG. 1 after the transfer and becomes the surface of the product (transfer object 20).

The design layer 5 is a portion formed by gravure printing of a design such as a character, figure, symbol, pattern or picture. The design layer 5 may be a single layer or a multi-colored multilayer.

The adhesive layer 6 is a portion for adhering the pattern layer 5 and the release layer 4 on the transfer target 20. This adhesive layer 6
As a material of the above, a heat-sensitive or pressure-sensitive resin or the like suitable for a surface material such as a molded plastic article is appropriately used.

According to the present invention, the transfer film 1 formed as described above is applied to the transfer target material 20 to be transferred, and the
While transferring the, after peeling the substrate sheet 2, Example
For example, the baking process is performed at a temperature of 200 to 300 ° C. for, for example, about 3 to 5 minutes. In addition,
The temperature and time of the baking treatment are not limited to the above values.

In this case, when the transfer object 20 is heated to a temperature higher than normal temperature (for example, 30 to 100 ° C.) at the time of transfer, the painting layer 3 adheres more closely to the transfer object 20 than at normal temperature. easy.

[0018]

Second Embodiment A second embodiment of the present invention will be described below with reference to FIG. FIG. 2 shows a cross-sectional view of the transfer film from which the base sheet has been peeled off in the present embodiment. 2, the same reference numerals as those in FIG. 1 denote the same components as those in FIG. 1, and a detailed description thereof will be omitted.

The method for color printing on a transfer member such as glass according to the second embodiment comprises the following steps:
A transfer film 1 to be transferred to which a transfer film 1 composed of a painting layer 3 having at least a release layer 4, a design layer 5, and an adhesive layer 6 laminated thereon and formed by gravure printing.
0 to transfer the painting layer 3 and the base sheet 2
After the peeling, the overcoat layer 30 is formed on the peeling layer 4 of the painting layer 3, and finally, a baking process is performed.

The overcoat layer 30 is formed by, for example, spraying a transparent paint or the like with a spray, or applying an ink by silk screen printing or the like. The overcoat layer 30 can be formed by other appropriate methods.

By forming such an overcoat layer 30, the adhesion of the decorating layer 3 to the transfer object 20 is enhanced, and the protection of the surface of the decorating layer 3 and the appearance of the surface are improved.

In the embodiments of the second example and the third example described later, the transfer target 20 is preferably heated to a temperature higher than the normal temperature (for example, 30 to 100 ° C.) during transfer.
The painting layer 3 is more likely to adhere to the transfer target 20 than at room temperature.

[0023]

Third Embodiment A third embodiment of the present invention will be described.
This will be described below with reference to FIG. FIG. 3 illustrates this embodiment.
FIG. 3 shows a cross-sectional view of a transfer film from which a base sheet has been peeled.
ing.

To the transfer object such as glass of the second embodiment
The color printing method according to the second embodiment is a modification of the second embodiment.
It is shown. That is, in this case, the transfer target 20
Is at least adherent to the surface of the transfer target body 20 in advance.
Coating layer 40 with high resin applied by silk printing or spraying
Is formed. The resin material forming the coating layer 4 is
Those having high durability in addition to the adhesion described above are preferable. on the other hand,
The base sheet 2 and at least the
A painting layer having a release layer 4, a design layer 5, and an adhesive layer 6
3 and a gravure-printed transfer film 1
And transfer the transfer film 1 to the surface of the
Is transferred to the painting layer 3.

Next, after the base sheet 2 is peeled off,
An overcoat layer 30 is formed on the release layer 4 of the painting layer 3. Most
The baking process is performed later as described above.

As a result, the painting layer 3 is coated with the coating layer 4
0 and the overcoat layer 30 sandwiched between
Therefore, the painting layer 3 is firmly and densely attached to the surface of the transfer object 20.
Be worn.

The transfer object 20 is not limited to glass.
By replacing the adhesive layer, it is possible to express a beautiful and clear color picture or photograph which has never existed in ceramics, enamel, melamine resin and the like.

In each embodiment, the base sheet is peeled off.
Heating temperature and heating humidity etc. when performing baking treatment after
It can be changed as appropriate.

[0029]

According to the first aspect of the present invention, the transfer film is formed by gravure printing, and the baking process is performed after transferring the painting layer to the transfer target. The pictures, photographs, etc. of the layers are rendered beautifully and sharply on the receiving material such as glass, ceramics, enamel and melamine resin, and the painting layer adheres well to the receiving material.

According to the second aspect of the present invention, in addition to the effect of the first aspect of the present invention, since the overcoat layer is formed on the peeling layer of the painting layer, the adhesion of the painting layer to the transfer object is achieved. The power is remarkably strengthened, and the surface protection and the beautiful appearance of the painting layer are improved.

According to the third aspect of the invention, in addition to the effects of the above-mentioned inventions, there is an advantage that the painting layer is more easily adhered to the transfer object than at room temperature.

According to the fourth aspect of the present invention, the painting layer is formed
Sandwiched between the coating layer formed on the surface of the transfer body and the overcoat layer.
So that the painting layer is even stronger on the surface of the
It is firmly adhered.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a transfer film according to a first embodiment of the present invention.

FIG. 2 is a sectional view of a transfer film according to a second embodiment of the present invention.

FIG. 3 is a transfer film according to a third embodiment of the present invention .
FIG.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Transfer film 2 Base sheet 3 Painting layer 4 Release layer 5 Pattern layer 6 Adhesive layer 20 Transfer object (product) 30 Top coat layer 40 Coating layer

Claims (4)

[Claims] 1. A transfer film comprising a base sheet, a painting layer having at least a release layer, a design layer and an adhesive layer laminated on the base sheet, and formed by gravure printing, is to be transferred. A color printing method on a transfer target such as glass, wherein a baking treatment is performed after transferring the painting layer to the transfer target and peeling the base sheet. 2. A transfer film comprising a base sheet, a painting layer having at least a release layer, a design layer and an adhesive layer laminated on the base sheet, and formed by gravure printing, is to be transferred. After transferring the painting layer to the transfer object and peeling the base sheet, an overcoat layer is formed on the peeling layer of the painting layer, and finally a baking treatment is performed. Color printing method on the body. 3. The method for color printing on a transfer object such as glass according to claim 1, wherein the transfer object is heated to a temperature higher than room temperature during transfer. 4. The transfer medium has at least an adhesive property.
A coating layer coated with a high-resin resin.
How to print color on a transfer material such as glass
Law.