JPH08112963A - Masking sheet for design print to article and design printing method on article using the same sheet - Google Patents

Abstract

PURPOSE: To provide a masking sheet for a design print in which an inexpensive and clear design can be printed in the design print on the articles of a small lot and a method for printing the design on the articles using the sheet. CONSTITUTION: A masking sheet for a design print on an article comprises a base material sheet 1 as a first layer, a sub-base material sheet 2 as a second layer and an adhesive layer 3 as a third layer laminated in this order, a method for printing the design on the article comprises the steps of cutting out the design at the sheet, covering only the part not colored of the article with the sheet, and then coloring the article of the part which is not covered.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pattern-printing masking sheet for easily and clearly printing a pattern on an article, and a pattern printing method using the masking sheet. Incidentally, the pattern-printing masking sheet referred to in the present invention means that when a pattern such as characters is printed on an article, a sheet in which the pattern is cut is affixed to the surface of these articles, and only on a portion not covered by the sheet. A coating is applied and dried, and then a sheet covering the surface of the article is peeled off, and a portion which covers the surface of the article with the sheet and is not colored,
It is used to make the outline of the portion to be colored stand out.

[0002]

2. Description of the Related Art Conventionally, a masking sheet has been widely used as a method for printing a design on the surface of a small lot of articles. In this method, a predetermined pattern is cut into a material such as paper, attached to the surface of an article, a coating is applied only to a portion not covered by the masking sheet, the coating is dried, and then the masking sheet is removed. This is a simple means. However, in this method, when there is a discontinuous part in the design after cutting, only this part needs to be attached to the surface of the article separately from other parts, so the position of the design is likely to shift There was a problem.
Also, there is a method of manually writing the design, but it has a problem that skilled technique and labor are required.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of the above situation, and can economically deal with pattern printing on a small lot of articles, and can make clear prints. It is an object of the present invention to provide a pattern-printing masking sheet for printing on a mask and a method for printing a pattern on an article using the masking sheet.

[0004]

Means for Solving the Problems The inventors of the present invention have conducted earnest research on means for printing a design on an article. According to the present invention, a mask for pattern printing on an article, characterized in that a base material sheet as a first layer, a sub-base material sheet as a second layer, and an adhesive layer as a third layer are laminated in this order. A sheet is provided, and preferably, a design print on an article, characterized in that the base sheet of the first layer is a synthetic resin selected from aromatic polyester, polycarbonate, polypropylene, polyamide, polystyrene, or paper. A masking sheet for use is provided, and preferably, the secondary base material sheet of the second layer is aromatic polyester, polyethylene, polypropylene, polybutene-1, ethylene-vinyl acetate copolymer, soft polyvinyl chloride, ethylene-ethyl acrylate. Copolymer, ethylene-acrylic acid copolymer, ethylene-methyl acrylate copolymer, ethylene-meth Le methacrylate copolymer, thermoplastic polyurethane, one selected from an ionomer, or,
Provided is a masking sheet for design printing on articles, which is composed of a blend of a plurality of kinds or paper, and further, a masking sheet for design printing on the above-mentioned articles is provided with a first layer base. After cutting the pattern leaving only the material sheet, peeling off the second layer of the sub-base material sheet and the third layer of the pressure-sensitive adhesive layer leaving only the unnecessary portion for coloring the article, and then the pressure-sensitive adhesive layer of the third layer Is contacted with the surface of the article to be adhered thereto, then the base sheet of the first layer is peeled off, and then the coating is applied to the article of the portion not covered by the second layer and the third layer of the masking sheet. A method for printing on an article is provided, which comprises peeling off the second layer and the third layer of the masking sheet attached to the article.

The material referred to in the present invention includes, as its material, metal, wood, cloth, paper, synthetic resin, leather, ceramics and the like, and is not limited. Further, the product form to which the present invention can be applied is not particularly limited, and can be applied to a wide range of product groups such as signboards, building materials, clothing, daily necessities, stationery, buildings, vehicles, and ships. Further, the shape of the article includes a flat shape, a film shape, a curved shape, a bent shape, and the like, but a flat shape or a film shape article can be applied to the present invention with better workability.

The pattern printing masking sheet of the present invention basically comprises a first layer base material sheet, a second layer sub-base material sheet, and a third layer adhesive layer. An adhesive layer, a pressure-sensitive adhesive layer, or a binder layer made of a synthetic resin may be appropriately provided between the first layer and the second layer for adjusting the adhesive strength, and the third pressure-sensitive adhesive layer may be separated from the surface. A mold layer may be provided.

As the first layer, at the time of cutting the pattern, and
A sheet having hardness and strength is desirable for the convenience of attaching to an article. Therefore, as the first layer of the present invention, from the viewpoint of these required performance and economic efficiency, polyethylene terephthalate, aromatic polyester such as polybutylene terephthalate, polycarbonate, polypropylene, polyamide, synthetic resin selected from polystyrene, Alternatively, paper is preferable. In addition, the paper here includes cellophane. The thickness of the base sheet of the first layer is not particularly limited, but the work of cutting the pattern while leaving the layer, or leaving only the unnecessary portion for coloring the article, the second layer Considering the work of peeling and removing the sub-base material sheet layer and the third pressure-sensitive adhesive layer, 30-
The range of 100 μm is preferable.

In order to secure good releasability between the first-layer base material sheet and the second-layer sub-base material sheet layer, as will be described later, when these base material sheets are synthetic resin sheets, a sheet is used. The surface tension of the surface is preferably small, and from this point of view, it is preferably not subjected to corona discharge treatment. Further, when the base material sheet is paper, it is more preferable to impart releasability to the surface of the second layer, which is in contact with the sub-base material layer, by applying paraffin in advance.

The sub-base material sheet used as the second layer of the pattern-printing masking sheet of the present invention is not particularly limited, but a step of peeling and removing the masking sheet from the article in the printing operation described later. Considering the above, it is desirable to have some strength and flexibility. As those having these characteristics, aromatic polyesters such as polyethylene terephthalate and polybutylene terephthalate, polyethylene, polypropylene, polybutene-1, ethylene-vinyl acetate copolymer, soft polyvinyl chloride, ethylene-ethyl acrylate copolymer,
Ethylene-acrylic acid copolymer, ethylene-methyl acrylate copolymer, ethylene-methyl methacrylate copolymer, thermoplastic polyurethane, one selected from the ionomer, or a blend of two or more kinds, or paper is particularly preferable. Used for. In addition, the paper here includes cellophane. Also, it is desirable that the sub-substrate sheet that is the second layer maintain a slight adhesive strength with the substrate sheet that is the first layer, while maintaining a strong adhesive strength with the adhesive layer that is the third layer. Is desirable. On the contrary, when the adhesive strength between the base sheet of the first layer and the sub-base sheet of the second layer is insufficient, as described above, for adjusting the adhesive strength, the adhesive strength between the first layer and the second layer is increased. EVA-based or rubber-based hot melt adhesive, vinyl acetate emulsion-based, acrylic emulsion-based, SBR latex-based, chloroprene latex-based, polyurethane dispersion-based water-based adhesive, acrylic-based or silicone-based adhesive, or , A known adhesive such as urethane adhesive, or using an adhesive, or polyethylene, ethylene-vinyl acetate copolymer, ethylene-ethyl acrylate copolymer, between the first layer and the second layer, Vine made of synthetic resin such as ethylene-acrylic acid copolymer, ethylene-methyl acrylate copolymer, ethylene-methyl methacrylate copolymer What, etc. no problem be provided over layer as appropriate. The thickness of the second layer is also not particularly limited,
20 to 200 μm, more preferably 30 to 100 μm
Is preferred.

On the other hand, the pressure-sensitive adhesive layer of the third layer is not particularly limited, but hot-melt pressure-sensitive adhesives of EVA type, rubber type, etc., vinyl acetate emulsion type, acrylic emulsion type, SBR latex type, chloroprene latex Water-based pressure sensitive adhesives such as those based on polyurethanes and polyurethane dispersions, and pressure sensitive adhesives such as acrylics and silicones are preferably used. Further, when the sub-base material sheet of the second layer is paper or cellophane, a rewet type adhesive such as starch, glue, polyvinyl alcohol, etc. is also preferably used. These pressure-sensitive adhesives are applied on the sub-substrate sheet which is the second layer. Here, for the purpose of preventing the decrease of the adhesive strength during the storage period before use, or for the convenience of handling, as described above, a release paper, a synthetic resin film, or the like on the surface of the adhesive layer of the third layer. The release material, that is, a release layer may be provided.

When printing on an article using the pattern-printing masking sheet, it is desirable that the pattern-printing masking sheet be transparent in order to perform accurate alignment. It is more desirable that both the first-layer base sheet and the second-layer sub-base sheet are made of transparent synthetic resin.

Next, the method for producing the masking sheet for pattern printing on the article of the present invention is not particularly limited, and, for example, a co-extrusion apparatus may be used to form the base sheet of the first layer and the second layer. After laminating the sub-base material sheet, the method for forming the third-layer pressure-sensitive adhesive layer on the second-layer sub-base material sheet, or the method for forming a second sheet on the first-layer base material sheet that has been formed into a sheet in advance. After extrusion coating the sub-substrate sheet of the layer,
A method of forming a third-layer pressure-sensitive adhesive layer on a second-layer sub-base material sheet, or a pre-sheeted first-layer base sheet, a second-layer sub-base sheet adhesive, adhesive Examples include a method of forming an adhesive layer of the third layer on the sub-base material sheet of the second layer after laminating an agent or a synthetic resin as a binder. On the other hand, as a means for forming the third-layer pressure-sensitive adhesive layer on the second-layer sub-base material sheet, this can be performed using a known device such as a roll coater, a die coater, a calender roll, or a comma coater. .

Next, a method of printing a design on an article using the masking sheet for design printing of the present invention,
This will be described with reference to the drawings. FIG. 1 is an enlarged cross-sectional view of the pattern-printing masking sheet of the present invention. FIG. 2 shows a state in which after the pattern is cut leaving the base sheet of the first layer, the sub-base sheet of the second layer and the adhesive layer of the third layer of the part for coloring the article are peeled off. It is an expanded sectional view of the masking sheet for design printing shown. FIG. 3 is an enlarged cross-sectional view showing a state in which the pattern-printing masking sheet shown in FIG. 2 is adhered to an article with an adhesive. FIG. 4 is an enlarged cross-sectional view showing a state in which the first-layer base material sheet of the pattern-printing masking sheet shown in FIG. 3 is peeled and removed. FIG. 5 is an enlarged cross-sectional view showing a state where the paint is colored on a part of the article which is not covered with the pattern print masking sheet shown in FIG. Further, FIG. 6 is an enlarged cross-sectional view showing a state in which the pattern-printing masking sheet covering the article shown in FIG. 5 is peeled and removed.

First, the base material sheet (1), which is the first layer of the pattern-printing masking sheet shown in FIG. 1, is left,
Second sub-substrate sheet (2) and third adhesive layer (3)
Cut the pattern into. The method of cutting the pattern is not particularly limited, and it can be done manually, but if the computer is made to input the pattern, the cut can be automatically made only in a specific layer of the multilayer sheet. This can be more easily performed by using an apparatus, that is, an apparatus capable of performing half-cut processing. The design is not particularly limited, but a character is preferable because the effect of the present invention can be remarkably exhibited.

Next, as shown in FIG. 2, the sub-base material sheet of the second layer and the adhesive layer of the third layer in the portion for coloring the article are peeled and removed to form the recess (5). To do. still,
A method of peeling and removing the second layer of the sub-base material sheet and the third layer of the pressure-sensitive adhesive layer can be easily performed manually.

Then, as shown in FIG. 3, an adhesive layer (3), which is the third layer of the masking sheet for pattern printing, in which recesses (5) for coloring the article are formed, is applied to the article (4). Put them on top of each other so that they touch each other.

Next, as shown in FIG. 4, the base sheet, which is the first layer of the masking sheet adhered to the article, is peeled and removed, leaving a portion (6) for coloring the article,
Only the part (7) that does not color the article is coated. A method for peeling and removing the base sheet can be easily carried out manually.

Then, as shown in FIG. 5, a paint (8) is applied to the portion (6) for coloring the article to color the article. The application method is not limited, and a method of spraying a coating material, a method of applying with a roller, and the like are preferably used.

Finally, as shown in FIG. 6, the sub-base material sheet (2) which is the second layer of the masking sheet and the third layer which cover the portion (7) which does not color the article. The pressure-sensitive adhesive layer (3) is peeled off to finish the printing on the article. The masking sheet can be easily removed manually.

【Example】

[Example 1] 100 μm thick as a base sheet for the first layer
The polyethylene terephthalate sheet was used, and a low-density polyethylene was laminated as a second sub-base material sheet on the polyethylene terephthalate sheet using an extrusion laminating machine so as to have a thickness of 100 μm. After that, using a comma coater,
An acrylic pressure-sensitive adhesive (manufactured by High Pressure Gas Industry Co., Ltd., trade name: Pegal 7701) was applied as a third pressure-sensitive adhesive layer on the second layer of low-density polyethylene to a thickness of 10 μm, and polyethylene terephthalate / low Density polyethylene / acrylic adhesive thickness composition is 100/100 /
A transparent pattern-printing masking sheet having a thickness of 10 μm was obtained.

Further, the above-mentioned masking sheet for pattern printing was cut with a cutting machine made by Muto Kogyo Co., Ltd. to cut the letters "Great sale" with only the first layer of polyethylene terephthalate film left. Then, the low-density polyethylene resin layer of the second layer and the acrylic pressure-sensitive adhesive layer of the third layer were peeled and removed, leaving only the coloring unnecessary portion on the stand made of iron plate. Then, the acrylic pressure-sensitive adhesive layer, which is the third layer of the masking sheet, was brought into contact with and adhered to an iron plate stand signboard. Then, the polyethylene terephthalate layer of the first layer was peeled and removed, and a red paint was sprayed on the portion not covering the iron plate stand signboard to color the article. Then, after the paint was dried, the low-density polyethylene resin layer of the second layer and the acrylic pressure-sensitive adhesive layer of the third layer covering the iron plate stand were removed.
The obtained iron plate vertical signboard had a clear print finish with the outline of the characters prominent. Further, since the masking sheet had transparency, it was possible to easily perform the work of bringing the masking sheet into contact with a stand made of an iron plate and performing alignment.

[Example 2] The thickness constitution of kraft paper / low-density polyethylene / acrylic pressure-sensitive adhesive was carried out in exactly the same manner as in Example 1 except that kraft paper having a thickness of 90 μm was used as the base sheet for the first layer. Of 90/100/10 μm was obtained. Using the obtained pattern-printing masking sheet, a plywood stand signboard was printed in the same manner as in Example 1. As a result, the plywood stand signboard obtained had a clear print finish with the contours of characters prominent, as in Example 1.

[0022]

The masking sheet for pattern printing provided by the present invention, or the method for printing a pattern on an article using the masking sheet, prints on a stand for big sale in a retail store, Alternatively, small-lot printing such as company name printing on commercial vehicles can be performed inexpensively and clearly.

[Brief description of drawings]

FIG. 1 is an enlarged cross-sectional view of a pattern-printing masking sheet of the present invention.

FIG. 2 is a sub-base material sheet for the second layer, which is a portion for coloring the article after the pattern is cut while leaving the base sheet for the first layer.
It is an expanded sectional view of a masking sheet for pattern prints, showing a state where the third pressure-sensitive adhesive layer is peeled off.

FIG. 3 is an enlarged cross-sectional view showing a state in which the pattern-printing masking sheet shown in FIG. 2 is adhered to an article with an adhesive.

FIG. 4 is an enlarged cross-sectional view showing a state in which the first-layer substrate sheet of the pattern-printing masking sheet shown in FIG. 3 has been peeled off.

5 is an enlarged cross-sectional view showing a state where the paint is colored on a part of the article which is not covered with the pattern-printing masking sheet shown in FIG.

6 is an enlarged cross-sectional view showing a state in which the pattern-printing masking sheet covering the article shown in FIG. 5 has been peeled off.

[Explanation of symbols]

1. First layer base material sheet 1. Second layer sub-base material sheet 3. Third layer adhesive layer 4. Goods 5. 5. A concave portion formed by peeling off the sub-base material sheet of the second layer and the pressure-sensitive adhesive layer of the third layer of the masking sheet for pattern printing. Part for coloring article 7. Portion where article is not colored 8. paint

Claims (4)

[Claims] 1. A mask sheet for pattern printing on an article, wherein a base material sheet as a first layer, a sub-base material sheet as a second layer, and an adhesive layer as a third layer are laminated in this order. . 2. The first layer of base material sheet is aromatic polyester, polycarbonate, polypropylene, polyamide,
A masking sheet for pattern printing on an article according to claim 1, which is a synthetic resin selected from polystyrene or paper. 3. A second sub-substrate sheet is aromatic polyester, polyethylene, polypropylene or polybutene.
1, ethylene-vinyl acetate copolymer, soft polyvinyl chloride, ethylene-ethyl acrylate copolymer, ethylene-acrylic acid copolymer, ethylene-methyl acrylate copolymer, ethylene-methyl methacrylate copolymer, thermoplastic The masking sheet for pattern printing on an article according to claim 1 or 2, wherein the masking sheet is for one type selected from polyurethane and ionomer, or a blend of a plurality of types, or paper. 4. The pattern is cut by leaving only the first-layer base material sheet on the pattern-printing masking sheet for articles according to claim 1, leaving only unnecessary portions for coloring the article. After peeling off the second layer of the sub-base material sheet and the third layer of the pressure-sensitive adhesive layer, the third layer of the pressure-sensitive adhesive layer surface is brought into contact with the surface of the article to be bonded, and then the first layer of the base material sheet is attached. After peeling and removing, the second layer of the masking sheet, the second layer of the masking sheet adhered to the article after applying a coating to the article in the portion not covered by the third layer,
A method for printing a pattern on an article, which comprises removing the third layer by peeling.