JP3220537U - Removable adhesive sheet - Google Patents

Abstract

The present invention provides a removable pressure-sensitive adhesive sheet that is less likely to wrinkle due to repeated use and has improved durability.
A removable adhesive sheet 10 is mainly formed on a base material 11, a printing coating layer 12 formed on one main surface 11A side of the base material 11, and an upper surface of the printing coating layer 12. The printed layer 13, the primer layer 14 formed on the other main surface 11 </ b> B side of the substrate 11, and the adhesive layer 15 formed on the lower surface of the primer layer 14 are included. And the uneven | corrugated shape by embossing is formed in the front and back of the removable adhesive sheet 10 by embossing the base material 11. FIG.
[Selection] Figure 1

Description

  The present invention relates to a detachable pressure-sensitive adhesive sheet that can be repeatedly applied to or peeled off from an adherend having a smooth surface such as a wall of a building and is less likely to wrinkle.

  Patent Document 1 discloses a conventional magnet-type antifouling sheet. The magnet-type antifouling sheet has, for example, a magnet sheet formed by mixing magnetic powder and resin, and a non-adhesive layer formed on one side of the magnet sheet and coated with a coating made of silicone resin or the like. doing. And a magnetic-type stain | pollution | contamination prevention sheet | seat can prevent the stain | pollution | contamination of the wall surface by a painting operation | work by repeatedly affixing or peeling to the place which can utilize magnetism, such as the wall surface of a painting booth.

  Patent Document 2 discloses a conventional glass adhesive sheet. The glass adhesive sheet is, for example, a support film layer, a surface sheet formed on the surface of the support film layer, an adhesive layer formed on the back surface of the support film layer, and a release sheet bonded to the adhesive layer. ,have. And a glass adhesive sheet is affixed on glass surfaces, such as window glass and door glass, through the said adhesive layer so that adhesion | attachment and peeling are possible.

JP 2001-246316 A Utility Model Registration No. 3164192

  As described above, the magnet-type antifouling sheet described in Patent Document 1 can be repeatedly attached to or peeled off from a wall surface that can utilize magnetism, but non-magnetic wall surfaces such as aluminum materials. However, there is a problem that it cannot be used.

  Further, the magnet-type antifouling sheet has a problem that the magnet sheet portion is heavy and becomes heavier as the shape becomes larger, making it difficult to handle. Moreover, even if compared with the glass adhesive sheet described in Patent Document 2, the magnet-type antifouling sheet has a problem that it becomes expensive due to the material used.

  On the other hand, the glass adhesive sheet described in Patent Document 2 can solve the above-described problem of the magnetic antifouling sheet. However, with glass adhesive sheets, it is easy to wrinkle the area where the user rubs with fingers and peels off, especially in areas where wrinkles approach, and the printed surface may peel off or the topsheet may be torn. There is a problem in durability, such as.

  The present invention has been made in view of the above circumstances, and can be repeatedly attached to or peeled off from an adherend having a smooth surface such as a wall of a building, and wrinkles occur. The present invention provides a removable adhesive sheet that is difficult to perform.

  In the removable adhesive sheet of the present invention, the base material, the printed layer formed on one main surface side of the base material, and the other main surface side opposite to the one main surface of the base material are formed. An adhesive layer, and the one main surface and the other main surface of the base material are embossed.

  Further, in the removable adhesive sheet of the present invention, a base material, a printed layer formed on one main surface side of the base material, a reflective sheet layer, a phosphorescent sheet layer or a whiteboard formed on the surface of the printed layer A sheet layer, and an adhesive layer formed on the other main surface side opposite to the one main surface of the base material, and the one main surface and the other main surface of the base material, It is characterized by embossing.

  Further, in the removable pressure-sensitive adhesive sheet of the present invention, a base material, a reflective sheet layer or a phosphorescent sheet layer formed on one main surface side of the base material, and an upper surface of the reflective sheet layer or the phosphorescent sheet layer are formed. A printed layer and an adhesive layer formed on the other main surface side opposite to the one main surface of the substrate, and the one main surface and the other main surface of the substrate It is characterized by being embossed.

  The removable adhesive sheet of the present invention includes a base material, a printing layer formed on one main surface side of the base material, and an adhesive layer formed on the other main surface side opposite to the main surface of the base material. The main surface of the substrate and the other main surface are embossed. With this structure, the surface of the removable adhesive sheet is formed with uneven shapes by embossing, and repeated use makes it difficult for the removable adhesive sheet to wrinkle, improving the durability of the removable adhesive sheet. The

  Further, the removable adhesive sheet of the present invention includes a base material, a printed layer formed on one main surface side of the base material, a reflective sheet layer, a phosphorescent sheet layer or a whiteboard sheet layer formed on the surface of the printed layer. And an adhesive layer formed on the other main surface side opposite to the one main surface of the base material, and one main surface and the other main surface of the base material are embossed . With this structure, the removable adhesive sheet can be used as a whiteboard, and the removable adhesive sheet can be pasted on a non-magnetic wall or the like to hold a meeting and store the contents.

  Further, in the removable adhesive sheet of the present invention, a base material, a reflective sheet layer or a phosphorescent sheet layer formed on one main surface side of the base material, and a printed layer formed on the upper surface of the reflective sheet layer or the phosphorescent sheet layer And an adhesive layer formed on the other main surface side opposite to the one main surface of the base material, and one main surface and the other main surface of the base material are embossed . With this structure, the removable adhesive sheet can be used as a reflective sheet, and safety can be ensured by sticking the removable adhesive sheet to a bag or the like when going out at night. On the other hand, when going out during the day, it is possible to prevent the designability from being impaired by peeling the removable adhesive sheet from the bag.

It is (A) top view (B) sectional drawing for demonstrating the removable adhesive sheet in embodiment of this invention. It is sectional drawing for demonstrating the removable adhesive sheet in other embodiment of this invention. It is sectional drawing for demonstrating the removable adhesive sheet in other embodiment of this invention.

  Below, the removable adhesive sheet 10 (henceforth "the adhesive sheet 10") which is 1st Embodiment of this invention is demonstrated. FIG. 1A is a plan view of an adhesive sheet 10 according to one embodiment of the present invention. FIG. 1B is a cross-sectional view of the adhesive sheet 10 shown in FIG.

  As shown in FIG. 1 (A), the pressure-sensitive adhesive sheet 10 is applied to a smooth surface or a smooth surface having some unevenness, such as a wall or window glass of a building, through an adhesive layer 15 (see FIG. 1 (B)). It is a sheet that can be repeatedly applied and peeled off. The pressure-sensitive adhesive sheet 10 is a sheet that is detachable by the pressure-sensitive adhesive layer 15 without having a magnet layer, and can be lightly weighted and repeatedly applied to non-magnetic wall surfaces such as aluminum materials. Can do.

  As shown in FIG. 1B, the adhesive sheet 10 is mainly formed on a base material 11, a printing coating layer 12 formed on the one main surface 11A side of the base material 11, and an upper surface of the printing coating layer 12. The printed layer 13 formed, the primer layer 14 formed on the other main surface 11B side of the substrate 11, the adhesive layer 15 formed on the lower surface of the primer layer 14, and the lower surface of the adhesive layer 15 are bonded together. Separator 16.

  The base material 11 is a chemical fiber sheet, for example. The chemical fiber sheet is made of polyester fiber, polyvinyl chloride, phthalic acid plasticizer, flameproofing agent, stabilizer, pigment, antifungal agent and the like.

  The printing coating layer 12 is applied to the entire surface of the base 11 on the one principal surface 11A side. The printing coating layer 12 is a layer for improving the fixability of the printing ink, and is, for example, a polyester-based, a chlorinated polypropylene-based, or an adhesive solvent prepared by appropriately mixing them.

  The printing layer 13 is formed on the upper surface of the printing coating layer 12 with printing ink. As the print layer, for example, characters, designs, characters, and the like are formed.

  The primer layer 14 is applied to the entire surface of the base 11 on the one principal surface 11A side. The primer layer 14 is a layer for improving the adhesiveness between the base material 11 and the adhesive layer 15.

  The adhesive layer 15 is a layer that is formed on the lower surface of the primer layer 14 and is repeatedly detachably attached to an adherend such as the above-described building wall or window glass. The adhesive layer 15 is formed of, for example, an alkyl acrylate / acrylonitrile copolymer aqueous emulsion, a surfactant, polyoxyethylene fullyl ether, ammonium stearate, mineral terpene, diphenylmethane bisethylene urea, and the like. In addition, as a material which comprises the adhesion layer 15, what is necessary is just to have the adhesive force which can be repeatedly attached or detached with respect to a to-be-adhered body, and arbitrary design changes are possible.

  As the separator 16, for example, a craft paper, glassine paper, or a sheet of a PET film with a silicone resin laid on the surface is appropriately selected and used. The separator 16 may be peeled off from the adhesive layer 15 when the adhesive sheet 10 is used, and may be attached to the adhesive layer 15 again when not in use.

  In the present embodiment, embossing is applied to one main surface 11A and the other main surface 11B of the base material 11. For example, embossing is performed on the entire surface of one main surface 11A and the other main surface 11B of the base material 11 using an anilox roll having a cylinder surface engraved with the embossed pattern. Yes.

  As described above, the printing coating layer 12, the printing layer 13, the primer layer 14, and the adhesive layer 15 are formed on one main surface 11A side and the other main surface 11B side of the base material 11 that has been embossed. The As a result, the uneven shape by the said embossing is formed also in the surface of the printing layer 13 and the adhesion layer 15 used as the outermost surface layer of the adhesive sheet 10. FIG.

  The pressure-sensitive adhesive sheet 10 is used by being cut out in accordance with the rectangular shape shown in FIG. 1 (A) or a symbol shape such as a beginner mark, etc., depending on the purpose of use. The embossed shape to the material 11 is formed, and the uneven shape by the said embossing is also formed on the front surface and the back surface of the pressure-sensitive adhesive sheet 10.

  With this structure, the user repeatedly attaches or peels off the adhesive sheet 10 to the wall or window glass of a building. Thus, the presence of the embossed shape on the substrate 11 and the uneven shape on the outermost surface makes it difficult for wrinkles to occur. As a result, the printed layer 13 and the pressure-sensitive adhesive layer 15 are hardly peeled off from the base material 11 and the pressure-sensitive adhesive sheet 10 itself is hardly damaged, and the durability of the pressure-sensitive adhesive sheet 10 is improved.

  Further, when the pressure-sensitive adhesive sheet 10 is attached to the adherend, for example, by rubbing the surface of the pressure-sensitive adhesive sheet 10 with the palm of the hand, the air between the pressure-sensitive adhesive layer 15 and the object to be attached is It can be easily driven out of the pressure-sensitive adhesive sheet 10 through the uneven shape. As a result, the pressure-sensitive adhesive sheet 10 can be firmly attached to the adherend and is difficult to peel off from the adherend. For example, a beginner mark affixed to the vehicle body is also difficult to peel off due to wind pressure during travel.

  Next, the removable adhesive sheet 20 (hereinafter referred to as “adhesive sheet 20”), which is a second embodiment of the present invention, will be described. FIG. 2 is a cross-sectional view of the pressure-sensitive adhesive sheet 20 according to one embodiment of the present invention, and shows the same cross section as the cross section taken along the line AA in FIG. The pressure-sensitive adhesive sheet 20 is different in part from the pressure-sensitive adhesive sheet 10 described with reference to FIGS. 1A and 1B, but the other parts are the same. For this reason, the same reference numerals are used for the same parts of the structure, the description thereof is referred to, and the repeated description is omitted.

  The pressure-sensitive adhesive sheet 20 mainly includes a base material 11, a primer layer 14 formed on one main surface 11A side of the base material 11, a special base material layer 21 formed on the upper surface of the primer layer 14, and a special property. The printing coating layer 12 formed on the upper surface of the base material layer 21, the printing layer 13 formed on the upper surface of the printing coating layer 12, and the primer layer 14 formed on the other main surface 11B side of the base material 11. And an adhesive layer 15 formed on the lower surface of the primer layer 14 and a separator 16 bonded to the lower surface of the adhesive layer 15.

  The special base material layer 21 is, for example, a reflective sheet layer or a phosphorescent sheet layer, and can be made to shine on the adhesive sheet 20 in a region not overlapping the print layer 13 by being disposed on the lower surface of the print layer 13. For example, the adhesive sheet 20 can be used as a reflective sheet by sticking it on a bicycle or a belonging when going out at night. And when using the said belongings in the daytime, by removing the adhesive sheet 20, the adhesive sheet 20 can also make design nature and safety compatible, without impairing design nature.

  As described above with reference to FIGS. 1A and 1B, the base material 11 of the pressure-sensitive adhesive sheet 20 is embossed, and the printed layer 13 and the pressure-sensitive adhesive layer 15 of the pressure-sensitive adhesive sheet 20 An uneven shape is formed by processing. With this structure, even if the pressure-sensitive adhesive sheet 20 is used repeatedly, wrinkles are unlikely to occur, and the durability of the pressure-sensitive adhesive sheet 20 can be improved.

  Next, a removable adhesive sheet 30 (hereinafter referred to as “adhesive sheet 30”), which is a third embodiment of the present invention, will be described. FIG. 3 is a cross-sectional view of the pressure-sensitive adhesive sheet 30 according to one embodiment of the present invention, and shows the same cross section as the cross section taken along the line AA in FIG. The pressure-sensitive adhesive sheet 30 is different from the pressure-sensitive adhesive sheets 10 and 20 described with reference to FIGS. 1A and 1B in part of the structure, but the other parts are the same. For this reason, the same reference numerals are used for the same parts of the structure, the description thereof is referred to, and the repeated description is omitted.

  The pressure-sensitive adhesive sheet 30 mainly includes a base material 11, a printing coating layer 12 formed on the one main surface 11A side of the base material 11, a printing layer 13 formed on the upper surface of the printing coating layer 12, and printing. A primer layer 14 formed on the upper surface of the layer 13, a special base material layer 31 formed on the upper surface of the primer layer 14, a primer layer 14 formed on the other main surface 11B side of the base material 11, and a primer It has the adhesion layer 15 formed in the lower surface of the layer 14, and the separator 16 formed in the lower surface of the adhesion layer 15.

  The special base material layer 31 is, for example, a whiteboard sheet layer, a reflective sheet layer, or a phosphorescent sheet layer, and is disposed on the uppermost surface of the adhesive sheet 30. When a whiteboard sheet layer is used as the special base material layer 31, the adhesive sheet 30 can be used as a whiteboard. As described above, the adhesive layer 15 can be repeatedly applied even to an adherend such as a non-magnetic wall surface. Therefore, a meeting is performed using the adhesive sheet 30 as a whiteboard, and the contents are stored. Can do.

  Further, since the pressure-sensitive adhesive sheet 30 is lighter than a magnetic whiteboard, it is easy to carry. As described above, since the air between the adhesive layer 15 and the adherend can be easily driven out of the adhesive sheet 30 when the adhesive sheet 30 is attached to the adherend, the whiteboard The surface of the sheet layer becomes a flat surface, and it becomes easy to write characters at the time of the meeting.

  As described above with reference to FIGS. 1A and 1B, the base material 11 of the pressure-sensitive adhesive sheet 30 is embossed, and the printed layer 13 and the pressure-sensitive adhesive layer 15 of the pressure-sensitive adhesive sheet 30 have the above-described embossing. An uneven shape is formed by processing. With this structure, even if the pressure-sensitive adhesive sheet 30 is used repeatedly, wrinkles are unlikely to occur, and the durability of the pressure-sensitive adhesive sheet 30 can be improved.

  In the present embodiment, after embossing is performed on the one main surface 11A side and the other main surface 11B side of the base material 11 in the pressure-sensitive adhesive sheets 10, 20, and 30, the printed layer 13 and the pressure-sensitive adhesive layer 15 are provided. Although the structure to be formed has been described, the present invention is not limited to this case. For example, even in the case of a structure in which the printed layer 13 and the adhesive layer 15 are formed on the substrate 11 that has not been embossed and then embossed in the last step, the adhesive sheets 10, 20, 30 The effect similar to the effect mentioned above can be acquired, such as wrinkle prevention by repeatedly sticking or peeling off. In addition, various modifications can be made without departing from the scope of the present invention.

10, 20, 30 Removable pressure-sensitive adhesive sheet 11 Base material 11A One main surface 11B Other main surface 12 Coating layer for printing 13 Print layer 14 Primer layer 15 Adhesive layer 16 Separator 21, 31 Special base material layer

Claims (7)

A substrate;
A printed layer formed on one main surface side of the substrate;
An adhesive layer formed on the other main surface side opposite to the one main surface of the base material,
The removable adhesive sheet, wherein the one main surface and the other main surface of the base material are embossed. A substrate;
A printed layer formed on one main surface side of the substrate;
A reflective sheet layer, a phosphorescent sheet layer or a whiteboard sheet layer formed on the surface of the printed layer;
An adhesive layer formed on the other main surface side opposite to the one main surface of the base material,
The removable adhesive sheet, wherein the one main surface and the other main surface of the base material are embossed.   The removable adhesive sheet according to claim 1, wherein a printing coating layer is formed between the substrate and the printing layer. A substrate;
A reflective sheet layer or a phosphorescent sheet layer formed on one main surface side of the substrate;
A printed layer formed on an upper surface of the reflective sheet layer or the phosphorescent sheet layer;
An adhesive layer formed on the other main surface side opposite to the one main surface of the base material,
The removable adhesive sheet, wherein the one main surface and the other main surface of the base material are embossed.   The removable adhesive sheet according to claim 4, wherein a printing coating layer is formed between the reflective sheet layer or the phosphorescent sheet layer and the printing layer.   The separator is attached to the surface of the adhesive layer, and the adhesive layer after the separator is peeled off can be repeatedly attached to and detached from the adherend. Removable adhesive sheet.   The removable adhesive sheet according to claim 6, wherein a primer layer is formed between the base material and the adhesive layer.

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