JP2006309091A - Label sheet - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a label sheet which can be manufactured, without having to go through complex steps and in which a heavy peeling area can be formed freely at any portion. <P>SOLUTION: In the label sheet 1, an edge-side portion 11 is made into the heavy peeling region 30, having high peeling strength by electrical modifying treatment. Accordingly, when the label sheet 1 is transparted inside a printer, the glue of an adhesive layer 4 is prevented from escaping from the edge-side portion 11 of the label sheet, due to the heat inside the printer or the pressing of a roller. Thus, adhesion of the glue that has exuded from the label sheet 1 to a member, such as a drum or a roller in the inside the printer, is surely prevented, and the occurrence of troubles, such as troubles of paper feeding or the failure of the printer, are prevented. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a label sheet having an adhesive label.

  2. Description of the Related Art Conventionally, a label sheet for a printer having a label printed by a printer and a release paper that is releasably bonded to an adhesive layer of the label is known, but when the label sheet is conveyed through the printer, In addition, the paste sometimes protrudes from the edge of the label sheet due to heat inside the printer or pressing of the roller. Then, the protruding glue adheres to members such as drums and rollers inside the printer, which causes problems such as paper feeding trouble and printer failure.

In order to solve such a problem, for example, a printer tack paper shown in Patent Document 1 has been proposed. The tack paper for a printer according to Patent Document 1 includes a label paper and a release paper bonded to the adhesive surface of the label paper, and an application portion in which an adhesive is applied to the adhesive surface of the label paper, and this application A non-application part where an adhesive is not applied is formed along the part. This printer tack paper is manufactured through a bonding process of label paper and release paper after forming an adhesive surface composed of an adhesive application portion and a non-application portion on the label paper. Yes. In this tack paper for printers, the air permeability of the entire label paper is enhanced by the formation of the non-coating portion, so that it is ensured that the adhesive protrudes from the edge of the label paper during the transport process in the printer. The effect that it can prevent is obtained.
JP-A-6-55878

  However, the tack paper for a printer of the invention according to Patent Document 1 must be formed with an adhesive application portion and a non-application portion in a pre-process for bonding a label paper and a release paper. There was a problem that the process was complicated. In addition, there is a problem that the adhesive distribution cannot be changed at all after the printer tack paper is formed. Here, in the label sheet, there is a need to make the trigger for raising the label as light as possible. However, when the technique according to the above-mentioned document is applied to the label sheet, the part at the beginning of turning is made an adhesive-free part. If you keep it, you can lighten it up. However, when the label is used after scraping off the label paper, there arises a problem that a portion that does not partially adhere to the adherend occurs. In addition, in the label sheet, it is necessary to prevent the label from being accidentally peeled off in the printer, and there is a need to firmly fix the peripheral edge of the label to the sheet. When the technique according to the above document is applied to the label sheet for such applications, the adhesive is firmly applied to the peripheral edge of the label alone, and the other parts are not applied with the adhesive. However, when the label is used after scraping off the label paper, there is a problem that a part that does not partially adhere to the adherend is generated.

  The present invention has been made to solve the above-described problems, and provides a label sheet that can be produced without going through complicated steps and that can form a heavy release region freely in any part. Objective.

  In order to achieve the above object, a label sheet according to the present invention includes a base material sheet in which a base material layer and a pressure-sensitive adhesive layer are integrally laminated, and is peelably overlapped on the pressure-sensitive adhesive layer side of the base material sheet. A release sheet having a release layer, and having an adhesive label formed by a cut through the substrate sheet, wherein the edge of the label sheet and its vicinity are electrically modified It is characterized by being made into the heavy peeling area | region with high peeling strength. Preferably, the peel strength of the heavy peel region is 50 N / m or more.

  Moreover, the label sheet according to the present invention has a base sheet in which the base layer and the pressure-sensitive adhesive layer are integrally laminated, and a release layer that is peelably superimposed on the pressure-sensitive adhesive layer side of the base sheet. A release sheet, and having an adhesive label formed by a cut that penetrates the base sheet, wherein an edge portion of the adhesive label is a heavy release region having high peel strength by electrical modification treatment It is characterized by being. Preferably, the peel strength of the heavy peel region of the pressure-sensitive adhesive label is 5 N / m to 50 N / m.

  In the label sheet according to the present invention, the edge side and the vicinity thereof are made into a heavy peeling region having high peeling strength by electrical modification treatment. Thereby, when the label sheet is conveyed through the printer, it is possible to prevent the glue from protruding from the edge of the label sheet due to heat inside the printer or pressing of the roller. Therefore, it is possible to reliably prevent the glue protruding from the label sheet from adhering to members such as drums and rollers inside the printer, and to prevent problems such as paper feeding troubles and printer failures.

  Further, in the label sheet according to the present invention, the edge portion of the pressure-sensitive adhesive label formed by the cut line penetrating the base material sheet is a heavy peeling region having a high peeling strength by an electrical modification treatment. When the label sheet is conveyed, the adhesive label can be reliably prevented from being accidentally peeled off. Accordingly, it is possible to prevent paper feeding troubles and printer failures. In addition, when the user scrapes off the adhesive label, it feels heavy at first, but after passing through the heavy peeling area, the label can be peeled lightly as before, which has an adverse effect on the label peeling work. It does not reach.

  Hereinafter, an embodiment of a label sheet embodying the present invention will be described with reference to the drawings. First, the overall structure of the label sheet 1 will be described with reference to FIGS. 1 and 2. Here, FIG. 1 is a perspective view of the label sheet 1, and FIG. 2 is a cross-sectional view in the direction of arrows AA in FIG. In addition, the peeling strength of the label sheet | seat shown below means the adhesive force when peeling a label sheet on the conditions of 180 degree peel force and peeling speed 0.3m / min. As shown in FIGS. 1 and 2, the label sheet 1 is a substantially rectangular shape having a predetermined thickness, and a base material in which a paper base material layer 3 and an adhesive pressure sensitive adhesive layer 4 are integrally laminated. The sheet 5 is composed of a release sheet 10 including a release layer 7 made of a silicon resin and a release substrate layer 8 made of paper laminated immediately below the base sheet 5. Further, a closed loop-shaped cut 13 having a rectangular shape in plan view is formed so as to penetrate the base sheet 5, and ten adhesive labels 14 are formed on the label sheet 1 by the cut 13. .

  In addition, as a material of the base material layer 3 of the base material sheet 5 and the release base material layer 8 of the release sheet 10, high-quality paper, medium-quality paper, craft paper, art paper, coated paper, etc. can be adopted and necessary. Depending on the film, a film such as polyethylene or polypropylene may be laminated. In addition, a polymer film such as polyethylene, polypropylene, and polyester can be used as a base material.

  In addition, a heavy peel region 30 (shown by mesh-like hatching in FIG. 2) having a peel strength higher than that of the periphery is formed in the edge portion 11 of the label sheet 1 and in the vicinity thereof. The heavy release region 30 is formed by irradiating the label sheet 1 with, for example, an electron beam and performing an electrical modification process. Moreover, as shown in FIG. 3, the heavy peeling area | region 30 is similarly formed in the both-ends side part 11 of the longitudinal direction (depth direction in FIG. 1) side of the label sheet 1. That is, in the label sheet 1, all of the four end portions 11 are made into the heavy peeling region 30, and the peeling strength is higher than the surrounding portion (the central portion of the sheet).

  Moreover, in the heavy peeling area | region 30 of the label sheet 1, although the peeling strength (an edge part part is included) of the normal label sheet is set to 0.5 N / m-20 N / m, for example, peeling strength is set. 50 N / m or more. Thus, the pressure-sensitive adhesive layer 4 and the glue of the layer and the release layer 7 are reliably bonded to restrain the glue from moving in the pressure-sensitive adhesive layer 4. Accordingly, the adhesive can be prevented from sticking out from the end portion 11 of the label sheet 1, so that the adhesive sticking out from the label sheet 1 can be reliably prevented from adhering to a member such as a drum or a roller inside the printer (not shown). It is possible to prevent problems such as paper (label sheet) feeding troubles and printer failures. Further, in the label sheet 1 of the present embodiment, the peel strength at the edge portion of the sheet is increased by performing an electrical modification treatment, so that it can be manufactured without going through a complicated process, Even after molding, the peel strength at a desired location can be freely increased, and the moldability is extremely excellent.

  Next, another embodiment of the label sheet according to the present invention will be described with reference to FIG. 4 is a cross-sectional view of the label sheet 50 (showing a cross-section in the direction of arrows AA in FIG. 1). In the present embodiment, the same constituent members as those in the above embodiment are denoted by the same reference numerals, and detailed description thereof is omitted. In the label sheet 50 of this embodiment, the point that the heavy peeling area 30 is formed on the left and right edge portions 24, 24 of each adhesive label 14 instead of the sheet edge portion 11 is the label sheet 1 of the above embodiment. Is different. As shown in FIG. 4, the label sheet 50 has substantially the same shape and laminated form as the label sheet 1, and the adhesive label 14 is formed by the cut 13 that penetrates the base sheet 5. The left and right edge portions 24, 24 of the pressure-sensitive adhesive label 14 form a heavy peeling region 30 (the mesh hatching portion in FIG. 4), and the peel strength is higher than the portion around the pressure-sensitive adhesive label 14 (the central portion in the lateral direction). It is in a high state. Similar to the above-described embodiment, the heavy release region 30 is formed by irradiating a corresponding portion of the label sheet 50 with, for example, an electron beam and performing an electrical modification process.

  The left and right edge portions 24, 24 of the adhesive label 14, that is, the peel strength of the heavy peel region 30, is set to approximately 15 N / m, and the left and right central portions sandwiched between the edge portions 24, 24. The peel strength of is about 2 N / m. Here, the pressure-sensitive adhesive label of the conventional label sheet was set to a relatively high peel strength of about 5 N / m to 15 N / m for the purpose of preventing individual labels from peeling off from the label sheet. Therefore, it felt that the peeling was heavy constantly from the beginning of the label to the end of peeling. On the other hand, in the label sheet 50 of the present embodiment, only the left and right edge portions 24, 24 are used as the heavy peeling region 30, so that it is possible to surely prevent the label from being accidentally peeled off from the sheet, and the adhesive label. Although 14 feels slightly heavier at the beginning, after passing through the heavy peeling region 30, it can be lightly scraped off than the conventional adhesive label.

  As described above, in the label sheet 50 of the present embodiment, the adhesive label 14 can be reliably prevented from being accidentally peeled off inside the printer or the like, and paper (label sheet) feeding trouble, printer trouble, etc. It is possible to prevent problems from occurring. Further, in the label sheet 50 of the present embodiment, since the peeling strength at the edge portion of the sheet is increased by performing an electrical modification process, the label sheet 50 can be manufactured without going through a complicated process. Even after molding, the peel strength at a desired location can be freely increased, and the moldability is extremely excellent.

  In addition, this invention is not limited to the said embodiment, A various deformation | transformation is possible. For example, in the above-described embodiment, the label sheet is rectangular and the adhesive label is also rectangular. However, the shape of the sheet and label is not limited to these, and can be appropriately changed according to the application. Moreover, in the said embodiment, although the example which formed the heavy peeling area | region in the right and left both edge part of the adhesive label was given, if it is the edge part of an adhesive label, it will not be restricted to this right and left both edge part but forms a heavy peeling area. It is possible. Furthermore, in the above-described embodiment, the electrical modification treatment is performed by electron beam irradiation to form the heavy release region. However, the modification treatment may be performed using a method such as corona discharge. However, the corona discharge treatment needs to be performed in a state in which the base sheet is once peeled to expose the release layer. In addition, in the above-described embodiment, the label sheet in which the heavy peeling region is formed in the edge portion and the label sheet in which the heavy peeling region is formed in the edge portion of each adhesive label are individually described. Needless to say, it is possible to provide a label sheet provided with the above. For example, as shown in FIG. 5, as the label sheet 75, both the edge part 11 of the sheet itself and the left and right edge parts 24, 24 of the adhesive label 14 can be used as the heavy peeling region 30. Thereby, both the effects by the label sheet of each embodiment mentioned above can be acquired.

  It is a perspective view of the label sheet.   It is AA arrow direction sectional drawing in FIG.   It is a BB arrow directional cross-sectional view in FIG.   It is sectional drawing of the label sheet.   It is sectional drawing of the label sheet 75. FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Label sheet 3 Base material layer 4 Adhesive layer 5 Base material sheet 7 Peeling layer 8 Peeling base material layer 10 Peeling sheet 11 Edge part 24 Edge part 50 Label sheet 75 Label sheet

Claims (4)

A base sheet in which the base layer and the pressure-sensitive adhesive layer are integrally laminated; and a release sheet having a release layer that is releasably superimposed on the pressure-sensitive adhesive layer side of the base sheet. A label sheet having an adhesive label formed by a cut through
The label sheet, wherein an edge side of the label sheet and its vicinity are made into a heavy peeling region having high peeling strength by an electrical modification treatment.   The label sheet according to claim 1, wherein a peel strength of the heavy peel region is 50 N / m or more. A base sheet in which the base layer and the pressure-sensitive adhesive layer are integrally laminated; and a release sheet having a release layer that is releasably superimposed on the pressure-sensitive adhesive layer side of the base sheet. A label sheet having an adhesive label formed by a cut through
The label sheet, wherein an edge portion of the pressure-sensitive adhesive label is a heavy peeling region having a high peeling strength by an electrical modification treatment.   The label sheet according to claim 3, wherein the peel strength of the heavy peel region of the pressure-sensitive adhesive label is 5 N / m to 50 N / m.

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