JPH0625619A - Application tape and method for transferring decorative self-adhesive sheet using the same - Google Patents

Abstract

PURPOSE:To completely transfer a decorative self-adhesive sheet having a prescribed shape to an adherend by using an application tape and by improving the adhesion between the self-adhesive sheet and the application tape. CONSTITUTION:Linear grooves are formed the surface of a substrate 1 of an application tape 4. A self-adhesive sheet having a prescribed shape and laid on a release body is bonded to an adherend by laying the application tape 4 on the self-adhesive sheet, tracing the shape of the sheet from the side of the tape 4 with a pressing tool to tightly adhere the tape 4 to the sheet, peeling the sheet from the release body, and transferring the sheet to the adherend.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an application tape and a method for transferring a decorative pressure-sensitive adhesive sheet using the application tape.

[0002]

2. Description of the Related Art Conventionally, an application tape has been used as an auxiliary means for adhering a decorative pressure-sensitive adhesive sheet onto an adherend to be decorated (transfer of the decorative pressure-sensitive adhesive sheet).

For example, a decorative pressure-sensitive adhesive sheet adhered on a peeling body via a pressure-sensitive adhesive layer is used, and the decorative pressure-sensitive adhesive sheet is cut into a predetermined shape, for example, a character or a pattern, and the cut character or pattern is formed. In the decorative pressure-sensitive adhesive sheet of the character or pattern part remaining on the peelable body, peel off the decorative pressure-sensitive adhesive sheet of the unnecessary portion from the peeling body, leaving only the decorative pressure sensitive adhesive sheet of the portion The back surface (the surface opposite to the adhesive layer) is strongly adhered to the application tape provided with the pressure sensitive adhesive layer. The joining of the application tape and the decorative pressure-sensitive adhesive sheet of the character or pattern portion is performed by pressure-bonding the both to each other.

Then, the peeling body is peeled off from the application tape, so that the decorative adhesive sheet for the characters or patterns is temporarily attached to the application tape, that is, the transfer operation is performed.

After that, after the pressure-sensitive adhesive layer surface of the decorative pressure-sensitive adhesive sheet of the character or pattern portion temporarily adhered to the application tape is adhered to the adherend to be decorated, The application tape is pressed onto the application tape for pressure bonding, and then the application tape is peeled off from the adherend.

At that time, since the adhesive force of the application tape to the rear surface of the decorative adhesive sheet is lower than the adhesive force of the decorative adhesive sheet to the adherend, when the application tape is peeled off from the adherend, the character or the pattern portion is removed. Only the decorative pressure-sensitive adhesive sheet remains attached to the surface of the adherend, and the cut character or pattern portion of the decorative pressure-sensitive adhesive sheet is stuck, that is, transferred.

When the application tape is used as described above, since the decorative adhesive sheet for the characters or patterns formed by cutting is temporarily attached, the adhesiveness between the back surface of the decorative adhesive sheet and the application tape is improved. It needs to be done completely. If this adhesion is incomplete, there will be more trouble in transferring the decorative adhesive sheet to the application tape.

[0008] When the transfer work to the application tape and the sticking work to the adherend are carried out as described above, it is a sheet intended to be stuck neatly without causing wrinkles, blisters, etc. It has been proposed to devise a film pressure-sensitive adhesive sheet having a structure in which kraft paper is further laminated via an adhesive layer on the back surface of a decorative adhesive sheet adhered via an adhesive layer (Actual Development No. 48- 103663).

[0009]

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention As described above,
The one described in Japanese Patent Laid-Open No. 8-103663 is effective for neatly adhering to an adherend, but is provided as a product because the above-mentioned components are integrated into a product. Only specific sheets can be selected, and it cannot be applied to any adhesive sheet.

A crimping tool called a squeegee is usually used as a tool for bringing the application tape and the decorative adhesive sheet into close contact with each other, and by tracing the application tape with the tool, the adhesiveness between the two is developed. There is. However, even with such a method, there are many cases where the adhesion is not yet perfect.

The cause is that when an application tape is traced with a squeegee, for example, air bubbles enter between the two.
This is because when the tape cannot be completely removed or wrinkles are generated, an incomplete portion is formed in the close contact between the two, and as a result, the adhesive force to the back surface of the decorative adhesive sheet of the application tape cannot be partially achieved.

According to the present invention, when the decorative adhesive sheet is transferred by the application tape, the application tape and the decorative adhesive sheet rear surface can be completely transferred so that even the cut decorative adhesive sheet portion having a small area can be transferred. The invention provides an application tape for completely adhering the adhesive tape, and a method for transferring a decorative pressure-sensitive adhesive sheet using the application tape.

[0013]

[Means for Solving the Problems] It was mentioned above that the cause of impairing the adhesion between the application tape and the back surface of the adhesive sheet for decoration is that air bubbles or wrinkling of the sheet occur. As a result of repeated studies, it was found that the cause of such a phenomenon was poor slippage between the squeegee and the back surface of the application tape substrate.

As a means for solving this, there is a method of improving the slip of the squeegee itself, but as a result of intensive studies, the present invention has been achieved. That is, the present invention is an application tape for peeling a decorative pressure-sensitive adhesive sheet having a predetermined shape, which is laminated on a peeling body, from the peeling body, and transferring it to the target adherend. The application tape is characterized by being provided with unevenness.

Further, the application tape and the decorative pressure-sensitive adhesive sheet are stacked by stacking the application tape on the decorative pressure-sensitive adhesive sheet having a predetermined shape and then tracing the application tape with a pressure-bonding tool. A method for transferring a decorative pressure-sensitive adhesive sheet, which comprises completely adhering the decorative pressure-sensitive adhesive sheet, peeling off the decorative pressure-sensitive adhesive sheet having a predetermined shape from the peeling body, and adhering the peeled body to a target adherend.

The contents of the present invention will be described in detail below. The constitution of the application tape of the present invention comprises a base material and an adhesive layer. The material of the base material is not particularly limited as long as it is a general-purpose resin film, but polyethylene, polypropylene, polyester, polyvinyl chloride and the like are preferable. The film thickness is 30 to 10
0 μm, preferably 40 to 80 μm.

Furthermore, the application tape of the present invention is characterized in that one side of the base film is provided with streaky irregularities. The pitch of this uneven shape is 0.1 to 5
mm is effective, and the depth of the unevenness is 5 to 10 μm, preferably 10 μm or more, depending on the thickness of the resin film. Further, the uneven shape is not particularly limited.

The streak-like shape is not particularly limited, and may be, for example, lined up in a certain direction in a substantially parallel state, they may cross each other, or a wavy pattern. It may be provided.

The adhesive of the application tape of the present invention is not particularly limited as long as it is adhesive at room temperature and has a level lower than the adhesive strength of the adhesive of the decorative adhesive sheet. However, examples thereof include rubber-based adhesives, acrylic-based adhesives, urethane-based adhesives, silicon-based adhesives, vinyl acetate-based adhesives, and suitable mixed adhesives thereof.

Further, the adhesive layer of the application tape of the present invention may be protected by a release sheet until it is used. The release sheet that can be used is not particularly limited as long as it has a supporting force and has a release layer capable of releasing the pressure-sensitive adhesive layer of the base material layer on the surface. Instead, for example, various sheet-like bodies such as a laminate of polyolefin film such as non-woven fabric, synthetic fiber, net, paper, plastic film, or polyethylene film and paper, etc., coated with a material for forming a release layer. Can be preferably mentioned.

The pressure-sensitive adhesive layer surface of the application tape prepared in this manner is overlapped so as to have an area covering at least the entire decorative pressure-sensitive adhesive sheet that has been cut into desired characters or patterns and remains on the peeling body. The application tape and the back surface of the decorative adhesive sheet are brought into close contact with each other by pressing them together by tracing them with a squeegee from above the application tape.

Next, by peeling off the application tape from the peeling body, it becomes possible to peel off the decorative pressure-sensitive adhesive sheet of the character or pattern portion from the peeling body and transfer it to a desired adherend to be decorated. .

[0023]

According to the present invention, the contact area between the squeegee (crimping tool) and the back surface of the application tape base material is reduced by providing the streaky unevenness on the surface of the application tape base material, and the squeegee is smoothed. It is possible to trace on the application tape and move it.

[0024]

[Example] Main body thickness of film base material, pitch 2 mm on one side of 50 μ oriented polypropylene (OPP) film,
The base material layer (1) provided with streaks having a depth of 20 μ is used as the pressure-sensitive adhesive layer (2) and the acrylic pressure-sensitive adhesive layer is 15 μm.
Application tape consisting of a tape (4)
Was created (Fig. 1).

Next, a computer-controlled cutting machine (trade name: Haruji-kun, Sekisui Chemical Co., Ltd.) was used to decorate the decorative adhesive sheet (trade name: Tack Paint TP02, Sekisui Chemical Co., Ltd.). The size of "" is 100
It was cut into a square Gothic body of mm square.

Then, the decorative pressure-sensitive adhesive sheet (5) for the cut character portion is left, and the decorative pressure-sensitive adhesive sheet for the other unnecessary portions is removed by hand from the peeling body (6). After that, the application tape (4) prepared above is superposed on the back surface of the decorative adhesive sheet (5) of the character portion remaining on the peeling body, and then traced over the application tape (4) with the squeegee (3). In this way, they were brought into close contact with each other (Fig. 2).

As a result, the slippage of the squeegee (3) was very good and no air bubbles were caught between the two. Furthermore, when the transferability obtained as a result was evaluated, it was possible to transfer all the adhesive sheet (5) of the character portion formed by cutting to the application tape (4) side by a simple operation (Fig. 3).

The adhesive sheet (5) of the cut character portion is attached to a desired adherend, for example, an acrylic plate, and only the application tape (4) is peeled off from the adherend, thereby forming the cut character portion. The transfer work of the pressure-sensitive adhesive sheet (5) was easily performed.

As a comparative example, a type in which the back surface of the substrate, which is usually used for application tape, is smooth (a stretched polypropylene film having a thickness of 65 μ and an acrylic pressure-sensitive adhesive layer of 15 μ is used as a pressure-sensitive adhesive layer) is used. Except for the above, when the adhesion and transfer property evaluations were carried out by the same methods as those shown in the examples, many air bubbles were entrapped.

Further, the transfer was carried out by the same transfer work as in the embodiment, but the adhesive sheet (5) of the fine character portion formed by cutting also in the result of the transferability evaluation was the application tape (4) side. There was a portion left on the peeled body without being transferred. (Approximately 10% of the character portion of the decorative adhesive sheet formed by cutting).

[0031]

The application tape of the present invention is superposed on a decorative pressure-sensitive adhesive sheet formed into a predetermined shape on a peeling body, and then the application tape is traced using a squeegee, whereby the squeegee and the back surface of the application tape are separated. Slipperiness is improved, and air bubbles are less entangled and wrinkles are reduced, so that the two can be completely adhered to each other.

As a result, the transfer of the decorative pressure-sensitive adhesive sheet to the application tape can be completely achieved, and the transfer operation of the decorative pressure-sensitive adhesive sheet can be performed more easily and completely.

[Brief description of drawings]

FIG. 1 is a perspective view of an application tape according to an embodiment of the present invention.

FIG. 2 is a sectional view showing a state in which an application tape is superposed on a decorative adhesive sheet and traced with a squeegee in the method of the present invention.

FIG. 3 is a perspective view showing a state in which all the adhesive sheets of the character portion formed by cutting are transferred to the application tape side in the method of the present invention.

[Explanation of symbols]

1 Application Tape Base Layer 2 Application Tape Adhesive Layer 3 Squeegee (Crimping Tool) 4 Application Tape 5 Decorative Adhesive Sheet for Cut Characters 6 Peeler

Claims (2)

[Claims] 1. An application tape for peeling a decorative pressure-sensitive adhesive sheet having a predetermined shape, which is laminated on a peeling body, from the peeling body and transferring it to an intended adherend, wherein the application tape has a streak on the surface of the base material of the application tape. Application tape characterized by being provided with unevenness. 2. The application tape according to claim 1 is laminated on a decorative pressure-sensitive adhesive sheet having a predetermined shape, which is laminated on a peeling body, and then traced from above the application tape with a crimping tool to decorate the application tape and the decoration. A method for transferring a decorative pressure-sensitive adhesive sheet, which comprises completely adhering the adhesive pressure-sensitive adhesive sheet for use, then peeling off the decorative pressure-sensitive adhesive sheet having a predetermined shape from the peeling body, and adhering it to the target adherend.