JP2007219306A - Personal information protective sheet - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a personal information protective sheet that easily makes personal information illegible and restrains the personal information once made illegible from being restored. <P>SOLUTION: The personal information protective sheet comprises a base 10, a releasing layer 20 formed at least on a part of one surface of the base 10, and an image receiving layer 30 laminated on the releasing layer 20, and also is provided with a cushion layer 100 having cushion property between the releasing layer 20 and base 10. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a personal information protection sheet in which personal information can be easily made unreadable, and personal information once made unreadable cannot be restored.

  Conventionally, when discarding postal items with personal information such as address and address, to prevent leakage of personal information from the waste, the portion containing the personal information or the entire postal item must be broken by hand. Or had to be cut with scissors or a shredder. In particular, finely fragmenting by hand (by hand or scissors) to such an extent that personal information cannot be specified is extremely laborious.

  In addition, some mail items have a destination label (a label on which a delivery address and a recipient's name are written) affixed to a bag made of a resin film containing printed matter. In the case of such postal matter, the destination label must be peeled off from the resin film because the destination label cannot be torn into pieces by hand or cut with scissors or a shredder due to separation problems. However, dropping off the destination label can cause a postal accident, so the destination label is generally firmly attached to the resin film. For this reason, it is not easy to peel off the destination label from the bag made of resin film.

As a prior art aimed at solving such a problem, there is a “label displaying personal information” disclosed in Patent Document 1. The invention disclosed in Patent Document 1 is formed with a slit for dividing a display area of personal information into a plurality of parts.
JP 2001-175175 A

In the invention disclosed in Patent Document 1, since the information printed on the label remains in the fragments, the personal information can be restored to a legible state by connecting the fragments.
Also, even if it is easy to peel off the substrate on the label surface itself, the work of subdividing the peeled substrate along the slit is very different from the conventional method of cutting the entire mail piece with scissors. It is troublesome.

  The present invention has been made in view of such problems, and an object of the present invention is to provide a personal information protection sheet in which personal information can be easily made unreadable and the personal information once made unreadable cannot be restored. And

  In order to achieve the above object, the present invention provides, as a first aspect, a substrate, a release layer formed on at least a part of one surface of the substrate, and an image receiving layer laminated on the release layer. The personal information protection sheet is provided, wherein a layer having cushioning properties is provided between the release layer and the base material.

  In order to achieve the above object, as a second aspect, the present invention provides a base material, a release layer formed on at least a part of one surface of the base material, and an image receiving layer laminated on the release layer. And providing a personal information protection sheet characterized in that the base material has cushioning properties.

  In the 1st or 2nd aspect of this invention, it is preferable that an information display part is provided by printing on an image receiving layer.

  Moreover, in order to achieve the said objective, this invention has a base material and the peeling layer formed in one surface of a base material as a 3rd aspect, Between a peeling layer and the said base material. The present invention provides a personal information protection sheet provided with a cushioning layer.

  Moreover, in order to achieve the said objective, this invention has a base material and the peeling layer formed in one surface of a base material as a 4th aspect, The base material has cushioning characteristics, It is characterized by the above-mentioned. A personal information protection sheet is provided.

  In the 3rd or 4th aspect of this invention, it is preferable that an information display part is provided by printing on a peeling layer.

  According to the present invention, it is possible to provide a personal information protection sheet in which personal information can be easily made unreadable, and personal information once made unreadable cannot be restored.

First, the outline of the present invention will be described with reference to FIG.
The personal information protection sheet of the present invention has surface inactive energy as a cushion layer 100 and a release layer 20 on one surface of a base material 10 (paper, envelope, postcard, label mount, etc.) for displaying personal information. A linearly curable resin layer and a resin layer having a low cohesive force are sequentially laminated as the image receiving layer 30. The image receiving layer 30 has low adhesion to the release layer 20, and is peeled off from the interface with the release layer 20 when a force substantially parallel to the substrate is locally applied (rubbed with a coin or a nail). Address, name, and telephone number that become personal information by the information display unit 40 formed on the surface of the image receiving layer 30 by a known printing method (formation by a printer with ink, toner, or by handwriting with printing or pencil). In the personal information protection sheet displaying the information as the information display unit 40, the personal information (information display unit 40) displayed on the surface of the image receiving layer 30 is peeled off together by rubbing the image receiving layer 30 with coins, nails or the like. be able to. This prevents leakage of personal information from discarded mail.

  As shown in FIG. 2A, since the cushion layer 100 has cushioning properties (volume elasticity), when the image receiving layer 30 is rubbed with a coin or a nail, the image receiving layer 30 or the release layer 20 is formed of a coin or a nail. Deforms according to the shape. For this reason, as shown in FIG. 2B, the area where the coin or the nail and the image receiving layer 30 are in contact with each other increases, and the image receiving layer 30 having a larger area can be rubbed at a time than when the cushion layer 100 is not provided.

  Here, a configuration in which the cushion layer 100 is formed between the release layer 20 and the base material 10 is illustrated, and the following description is also given by taking this configuration as an example. In the case of a layer configuration including other layers in between, the cushion layer 100 may be provided at any position between the release layer 20 and the substrate 10.

  Moreover, as shown in FIG.1 (b), you may form the cushion layer 100 and the peeling layer 20 (surface-inactive energy-beam curable resin layer) in one surface of the base material 10. FIG. In this case, the personal information (information display unit 40) formed on the release layer 20 can be released by rubbing the release layer 20 with coins or nails.

In the following embodiments, a configuration including the image receiving layer 30 is taken as an example, but the same effect can be obtained even in a configuration without the image receiving layer 30.
Moreover, although the case where personal information is already formed as the information display unit 40 on the image receiving layer 30 is taken as an example, the information display unit 40 may be in an unformed state. In this case, it goes without saying that the user can print arbitrary information on the print information protection sheet as the information display unit 40 by a known printing method.

[First Embodiment]
Next, an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a view showing a cross section of the personal information protection sheet according to the present embodiment.
As shown in FIG. 1, the personal information protection sheet is composed of a base material 10 serving as a label mount, a cushion layer 100, a release layer 20, and an image receiving layer 30, and the cushion layer 100 on one surface of the base material 10, The release layer 20 and the image receiving layer 30 are laminated in this order. On the image receiving layer 30, personal information is displayed by an information display unit 40 formed by a known printing method. On the base material 10, the peeling layer 20 and the image receiving layer 30 are laminated by a technique such as offset printing, screen printing, gravure printing, flexographic printing, etc., but if these layers do not need to be formed to be particularly thick, the cost is reduced. From the side, offset printing and flexographic printing are preferable.

[Base material]
The base material 10 can be appropriately selected from known materials. For example, paper (quality paper, coated paper, kraft paper, etc.), polyester film (polyethylene terephthalate, polyethylene terephthalate / isophthalate copolymer, etc.), polyolefin film (polyethylene, polypropylene, polymethylpentene, etc.), plastic film (polychlorinated) Vinyl film, ethylene vinyl alcohol copolymer film, polycarbonate film, polyamide film, etc.) and synthetic paper made of polyolefin.

  Further, by providing an adhesive layer (not shown) under the substrate 10, it can also be used as a label to be attached to an adherend medium (envelope or the like).

[Cushion layer]
The cushion layer 100 is a known resin material having cushioning properties (for example, a urethane resin film, a polyamide resin film, a polyester resin film, a polyolefin resin film, a resin coating layer containing a foaming agent, a resin sheet containing a foaming agent). Or paper material (plain paper, coated paper) or the like.
In addition, when using a resin material, the thickness of a cushion layer shall be 10 micrometers-450 micrometers. When the cushion layer 100 is formed of a resin material, if the thickness is less than 10 μm, the cushion layer 100 is too thin to obtain sufficient cushioning properties. On the other hand, if the thickness of the cushion layer exceeds 450 μm, the layer becomes hard and problems such as insufficient cushioning properties and a high manufacturing cost arise. In any resin material, the unstretched film is more preferable as the cushion layer 100 because it is excellent in flexibility.
In the case of paper materials, those with a basis weight of 30 to 500 g are applied. If the basis weight is less than 30 g, the paper is too thin and sufficient cushioning properties cannot be obtained. On the other hand, if the basis weight exceeds 500 g, the cost becomes high, and although cushioning properties can be obtained, it is not practically preferable.

[Peeling layer]
The release layer 20 uses an ultraviolet curable resin such as urethane acrylate or epoxy acrylate, or an electron beam curable resin. Other materials include solvent-type thermoplastic resins (vinyl chloride / vinyl acetate copolymer resins, acrylate / styrene copolymer resins, nitrocellulose, maleic acid resins, etc.), water-soluble resins (polyvinyl alcohol, polyvinyl acetate, etc.). Pyropidone etc.), various acrylic copolymer resins, polyurethanes, etc. can be used alone, or a release agent such as silicon resin can be added to these.

  The release layer 20 is formed by curing a mixture comprising a monomer, a synthetic resin, a reaction initiator, and a release agent. The monomer serves as a reactive diluent and serves to adjust the viscosity of the mixture. The synthetic resin is a main component of the resin component constituting the release layer 20. The initiator promotes the curing (drying) reaction of the mixture. The release agent gives the release layer 20 release properties.

[Image receiving layer]
The image receiving layer 30 uses an ultraviolet curable resin or the like. The image receiving layer 30 is formed by curing a mixture of a pigment, a synthetic resin, a reaction initiator, and a release agent. Note that the image receiving layer 30 may or may not contain a pigment. If not, the content of other composition materials increases.
The pigment has properties as an extender pigment and a color pigment. The property as an extender is to give the binder material thixotropy (the viscosity decreases when stress is applied), and the property as a coloring pigment is to color the binder material. An example of the color pigment is titanium white. The monomer is used as a reactive diluent and serves to adjust the viscosity. Synthetic resins are the main component of the resin component constituting the image receiving layer. The reaction initiator is for accelerating the curing (drying) reaction of the mixture, and the release agent is for imparting release characteristics to the image receiving layer 30.

  The personal information protection sheet according to the present embodiment can be printed regardless of the thickness of the image receiving layer 30. Further, the image receiving layer 30 cannot be peeled from the release layer 20 unless the image receiving layer 30 has a certain thickness. A thicker image receiving layer 30 (1 μm or more) has better friction resistance, but even when the image receiving layer 30 is thin (0.5 μm or less), the friction resistance is improved due to the influence of the substrate 10.

  In addition, the personal information protection sheet may be subjected to unnecessary friction during use (such as during mailing), but the image receiving layer 30 and the information display unit 40 are subject to such friction. In addition, friction resistance is required so as not to inadvertently peel off the release layer 20.

FIG. 3 is a diagram illustrating a state in which the image receiving layer 30 is scraped off from the release layer 20.
As shown in FIG. 3, the image receiving layer 30 is formed on the image receiving layer 30 by scraping the image receiving layer 30 with coins, nails or the like (in other words, by rubbing the image receiving layer 30 while applying a pressure of a predetermined value or more). The information display unit 40 is also peeled off and removed from the peeling layer 20 at the same time. The adhesion between the image receiving layer 30 and the release layer 20 can be adjusted by the composition of the mixture that forms the respective bases of the release layer 20 and the image receiving layer 30.

  Usually, as shown in FIG. 4A, personal information such as an address and a name is often printed only on a part of the image receiving layer 30, so that the image receiving layer 30 is cut to make the personal information unreadable. It is necessary to take only a part (the part where the information display unit 40 was formed) as shown in FIG. Unlike conventional so-called “scratch cards”, it is not necessary to scrape all of the image receiving layer 30, so that shavings can be minimized.

  Note that the personal information protection sheet according to the present embodiment makes it difficult for the user to recognize that the image receiving layer 30 can be peeled from the release layer 20 only by the appearance. Therefore, as shown in FIG. In order to notify the user that the release layer 20 can be peeled off, it is preferable to display it as an attention display unit 50 at an arbitrary position on the personal information protection sheet. However, if the display position is on the release layer 20, the image receiving layer 30 in that part may be peeled off. Therefore, the image receiving layer 30 can be peeled from the release layer 20. It is preferable to display it in a region where it is not formed. If the release layer 20 or the image receiving layer 30 is formed by printing colored ink, it is possible to reduce the man-hour that the image receiving layer 30 can be peeled from the release layer 20 if they are simultaneously formed by printing when forming them. Can be displayed without increasing. The display format of the alert display unit 50 is not limited as long as it allows the user to recognize that the image receiving layer 30 can be peeled off, such as characters and patterns (for example, an image diagram cut with a coin).

  In the personal information protection sheet according to the present embodiment formed as described above, even if the image receiving layer 30 is rubbed with a small surface pressure (for example, rubbed with a finger belly or an eraser), the rubbed part is the release layer 20. Is not peeled off, but when rubbed with a large surface pressure (for example, rubbed with a coin or a nail), the rubbed portion peels off from the release layer 20.

  Even when an adhesive tape is attached to the image receiving layer 30, the force does not concentrate locally on the image receiving layer 30 when the adhesive tape is peeled off, so the image receiving layer 30 does not peel off. The conventional so-called “scratch card” takes into account that the concealing layer (silver layer) is peeled off when the adhesive tape is applied to the surface and peeled off, the image receiving layer 30 and the peeling layer 20 in the personal information protection sheet according to this embodiment. Can be said to be higher than the concealing layer of the conventional scratch card.

  Therefore, even when the personal information protection sheet according to the present embodiment is applied to a postal matter or the like, the image receiving layer 30 is rubbed during transportation, and the personal information is not readable and a postal accident does not occur.

In the personal information protection sheet according to the present embodiment, the image receiving layer 30 is peeled off and removed from the release layer 20 by rubbing the image receiving layer 30 while applying a pressure equal to or higher than a predetermined value. When personal information is displayed on the display unit 40, the image receiving layer 30 is peeled off and removed. Therefore, when the personal information protection sheet on which the personal information is displayed is discarded, the personal information can be made unreadable by a simple operation, and leakage of the personal information from the waste can be prevented.
In addition, it is impossible to restore personal information from the image receiving layer 30 scraped from the release layer 20.
Furthermore, when used as a label, it is not necessary to peel the entire label when making personal information unreadable, so that it can be attached to a member to be attached with sufficient adhesive strength. In addition, when making personal information unreadable, the entire label or part of the surface layer will not be peeled off, so the label (or part of it) that has not made the personal information unreadable is dropped. There is no risk of personal information leaking from now on.

[Second Embodiment]
A second embodiment in which the present invention is suitably implemented will be described. FIG. 6 shows the configuration of the personal information protection sheet according to this embodiment.
The personal information protection sheet according to this embodiment has substantially the same configuration as that of the first embodiment, but does not include the cushion layer 100. Moreover, base material 10 'is formed with the material which has cushioning properties. In other words, the base material 10 ′ has cushioning properties. As a material of the substrate 10 ′, a known resin material having cushioning properties (for example, a urethane resin film, a polyamide resin film, a polyester resin film, a polyolefin resin film, a resin coating layer containing a foaming agent, and a foaming agent are contained. Resin sheet) and paper materials (plain paper, coated paper) can be applied.

  In the personal information protection sheet according to this embodiment, when the image receiving layer 30 is rubbed with coins or nails, the coins or nails are sunk into the image receiving layer 30 due to the cushioning property of the base material 10 ′. Therefore, as in the first embodiment, the effect that the area that can be scraped off at once with a coin or a nail is increased.

In addition, the said embodiment is an example of suitable implementation of this invention, and this invention is not limited to this. For example, in the above embodiment, the personal information protection sheet in which personal information is displayed on the image receiving layer 30 by the information display unit 40 is taken as an example, but the information displayed by the information display unit 40 is limited to personal information. It may represent any character, sentence, or design. In the case of a configuration including an image receiving layer, the release layer and the image receiving layer are not necessarily formed with the same size (area). That is, the image receiving layer may be laminated only on a part of the peeling layer, or a part of the image receiving layer may protrude from a region where the peeling layer is not formed.
As described above, the present invention can be variously modified.

It is the figure which showed the structure of the personal information protection sheet concerning 1st Embodiment which implemented this invention suitably. It is a figure which shows the state which the image receiving layer and the peeling layer deform | transformed according to the pressure received from a coin etc. by the cushioning property of a cushion layer. It is the figure which showed a mode that the image receiving layer was peeled and removed. (A) is the figure which showed the personal information protection sheet on which personal information was printed. (B) is the figure which showed the state which peeled and removed personal information. It is a figure which shows the state which provided the display which shows that an image receiving layer is peelable in the personal information protection sheet. It is a figure which shows the structure of the personal information protection sheet concerning 2nd Embodiment which implemented this invention suitably.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Base material 20 Release layer 30 Image receiving layer 40 Information display part 50 Warning display part 100 Cushion layer

Claims (6)

A substrate;
A release layer formed on at least a part of one surface of the substrate;
An image receiving layer laminated on the release layer;
A personal information protection sheet, wherein a layer having cushioning properties is provided between the release layer and the substrate. A substrate;
A release layer formed on at least a part of one surface of the substrate;
An image receiving layer laminated on the release layer;
The personal information protection sheet, wherein the base material has cushioning properties.   The personal information protection sheet according to claim 1, wherein an information display unit is provided on the image receiving layer by printing. A substrate;
Having a release layer formed on one surface of the substrate,
A personal information protection sheet, wherein a layer having cushioning properties is provided between the release layer and the substrate. A substrate;
Having a release layer formed on one surface of the substrate,
The personal information protection sheet, wherein the base material has cushioning properties.   6. The personal information protection sheet according to claim 4, wherein an information display part is provided on the release layer by printing.

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