JPH02245395A - Postal card and production thereof - Google Patents

Abstract

PURPOSE:To temporarily hide a part of a surface of postal card mount paper by a method wherein a covering material comprises a substrate having hiding properties, a primary layer, a first heat bonding resin layer having a low adhesion, and a second heat bonding resin layer having a high adhesion, and the coating material is bonded on the surface of the postal card mount paper with the first and second heat bonding resin layers. CONSTITUTION:A covering material 14 comprises a substrate 18 extending from one end of postal card mount paper 12. A hiding layer 20 is formed on the substrate 18. On the hiding layer 20, a primary layer 22 for improving the adhesion of a first heat bonding resin layer 24 is provided. On the surface of the primary layer 22, the first heat bonding resin layer 24 having a low adhesion is formed, and on the surface of the first heat bonding resin layer 24, a second heat bonding resin layer 26 having a high adhesion is further provided. Therefore, the substrate 18, the hiding layer 20, the primary layer 22, and the first heat bonding resin layer 24 are cut at a part free from the second heat bonding resin layer 26 to be relatively easily peeled from the postal card mount paper 12. In this manner, a lottery part 13a and confidential contents 13b on the surface of the postal card mount paper 12 can be read.

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a postcard and its manufacturing method, and particularly to a postcard and its manufacturing method that can temporarily hide secret information formed on the surface of a postcard mount, for example. Regarding.

(Prior Art) The conventional postcard that forms the background of this invention includes a postcard mount on which secret information is formed and an adhesive piece attached to the surface of the postcard mount with a pressure-sensitive adhesive. There was something.

(Problem to be Solved by the Invention) In such conventional postcards, secret information on the surface of the postcard mount can be hidden by the adhesive piece, but it is difficult to peel off the adhesive piece from the surface of the postcard mount. Therefore, it was not desirable for temporarily hiding secret matters.

Therefore, in order to make it easier to peel off the adhesive strip from the surface of the postcard mount, it is considered that the surface of the postcard mount should be subjected to a release process such as silicone processing so that the adhesive strip can be peeled off. It will be done.

However, applying a release process to the surface of the postcard mount complicates the equipment and increases costs.

Furthermore, if the surface of the postcard mount is subjected to a release process, the adhesive material will be accidentally peeled off from the surface of the postcard mount.

Therefore, the main object of the present invention is to provide a postcard and a method for manufacturing the same that can suitably and temporarily hide a part of the surface of the postcard mount without processing the surface of the postcard mount. be.

(Means for Solving the Problems) The first invention includes a postcard mount and a covering material that is formed integrally with the postcard mount, is folded back and affixed to the postcard mount, and covers at least a portion of the postcard mount, and The material includes a base material having a hiding property, a primer layer formed on one main surface of the base material, a first thermoadhesive resin layer formed on the surface of the primer layer and having a weak adhesive strength, and a first thermoadhesive resin layer formed on the surface of the primer layer and having a weak adhesive strength. a second thermoadhesive resin layer that is formed on a part of the surface of the adhesive resin layer and has a strong adhesive force; It is a postcard attached to the surface of a postcard mount.

The second invention provides a step of preparing a postcard material including a postcard mount and a base material formed integrally with the postcard mount and folded back to cover at least a portion of the postcard mount, and the following (A).
A step of manufacturing a coating material by each step of (C), and (A) a step of forming a primer layer on one main surface of the base material.
CB) forming a first thermoadhesive resin layer with weak adhesive strength on the surface of the primer layer; (C) forming a second thermoadhesive resin layer with strong adhesive strength on a part of the surface of the first thermoadhesive resin layer; The process of forming a heat-adhesive resin layer involves folding back the base material of the postcard material.
The postcard manufacturing method for manufacturing the above-mentioned postcard, which includes the step of attaching a covering material to at least a part of the surface of the postcard mount using a first heat-adhesive resin layer and a second heat-adhesive resin layer. be.

The third invention includes a postcard mount and a covering material that is formed integrally with the postcard mount, is folded back and affixed to the postcard mount, and covers at least a portion of the postcard mount, and the covering material includes a base material and a covering material that covers at least a portion of the postcard mount. On the other hand, a concealing layer formed on the main surface and having a concealing property, a primer layer formed on the surface of the concealing layer, a first thermoadhesive resin layer formed on the surface of the primer layer and having a weak adhesive strength, a second heat-adhesive resin layer formed on a part of the surface of the heat-adhesive resin layer and having strong adhesive strength, and the covering material includes the first heat-adhesive resin layer and the second heat-adhesive resin layer. A postcard that is attached in layers to the surface of a postcard mount.

A fourth invention provides a step of preparing a postcard material including a postcard mount and a base material formed integrally with the postcard mount and folded back to cover at least a portion of the postcard mount, and the following (A).
A step of manufacturing a covering material by each step of (D), (A) forming a hiding layer having hiding properties on one main surface of the base material, and (B) forming a primer layer on the surface of the hiding layer. (C) forming a first thermoadhesive resin layer having a weak adhesive force on the surface of the primer layer; (D) having a strong adhesive force on a part of the surface of the first thermoadhesive resin layer; The step of forming a second thermoadhesive resin layer, by folding back the base material of the postcard material, on at least a part of the surface of the postcard mount,
This is a postcard manufacturing method for manufacturing the above-mentioned postcard, which includes a step of attaching a covering material using a first heat-adhesive resin layer and a second heat-adhesive resin layer.

(Function) The first thermoadhesive resin layer is weakly adhered to the postcard mount,
The second heat-adhesive resin layer is strongly (adhered to) the postcard mount. Also, the primer layer functions to strengthen the adhesive force of the first heat-adhesive resin layer. The resin layer is strongly (adhered) to the base material or the concealing layer. Therefore, the base material will not be inadvertently peeled off from the postcard mount due to the force applied to the part where the second heat-adhesive resin layer is formed. In addition, in this state, the surface of the postcard mount is hidden by the base material in a postcard including a base material having a concealing property, and is hidden by the concealing layer in a postcard including a concealing layer having a concealing property.

Then, if the base material is cut and peeled off at the part where the second heat-adhesive resin layer is not formed, the primer layer and the first heat-adhesive resin layer are removed together with the base material. The resin layer peels off from the postcard mount, while in postcards that include a concealing layer that has concealing properties, the concealing layer is removed along with the base material.

The primer layer and the first thermoadhesive resin layer are peeled off from the postcard mount. Therefore, the surface of the postcard mount is visible.

(Effects of the Invention) According to the present invention, a postcard and a method for manufacturing the same can be obtained, which can suitably and temporarily hide, for example, display items on the surface of a postcard mount without processing the surface of the postcard mount. .

The above objects, other objects, features and advantages of the present invention will become more apparent from the following detailed description of embodiments with reference to the drawings.

(Example) FIG. 1A and FIG. 1B show a postcard that is an example of the present invention, FIG. 1A is a perspective view thereof, and FIG. 1B is a sectional view thereof.

FIG. 2A and FIG. 2B are diagrams showing the state in which the covering material of the above embodiment is cut and peeled off from the postcard mount,
FIG. 2A is a perspective view thereof, and FIG. 2B is a sectional view thereof.

The postcard includes a postcard material IO, and the postcard material 10 includes a postcard mount 12 formed to the size of a government postcard and a covering material 14 stuck to a part of the postcard mount 12. Covering material 14
is integrally formed extending from one end of the postcard mount 12, and is folded back and affixed to the postcard mount 12.

Further, on the surface of the postcard mount 12, there are formed lottery parts 13a such as winnings and losses, and secret information 13b such as financial and insurance information. The lottery part 13a and the secret matter 13b are written on the postcard mount 12.
It is formed by, for example, printing on the surface of.

Note that the lottery portion 13a and the secret information 13b may be formed by handwriting, for example.

This covering material 14 includes a base material 18 that extends from one end of the postcard mount 12 and is integrally formed, and the base material 18 is made of relatively flexible material such as paper or synthetic resin film, and cannot be cut with scissors or the like. A concealing layer 20 is formed on one main surface of the base material 18.

The hiding layer 20 is formed, for example, by solid silver printing using silver ink or the like, or by laminating film materials with hiding power such as aluminum foil using an adhesive or the like.

A primer layer 22 is formed on the surface of this hiding layer 20 to strengthen the adhesive force of a first thermoadhesive resin layer 24, which will be described later. The primer layer 22 is formed by applying a resin such as vinyl chloride-vinyl acetate copolymer to the surface of the hiding layer 20.

Furthermore, the surface of the primer layer 22 may be coated with a thermoadhesive resin having a weak adhesive force by extrusion while heating, or may be dissolved in a solvent or dispersed in water, and printed with gravure or silk screen. As a result, a first heat-adhesive resin layer 24 having weak adhesive strength is formed.

This first thermoadhesive resin layer 24 is formed so that it melts at a temperature of, for example, 100° C. to 200° C., and can be bonded to the postcard mount 12 made of, for example, paper with a weak adhesive force.

Examples of the above-mentioned thermoadhesive resins having weak adhesive strength include:
EVA adhesive can be selected. The composition of this adhesive is
Consisting of EVA (ethylene-vinyl acetate copolymer resin), tackifier, wax, antioxidant, and additionally a release agent such as silicone or a desensitizing agent to weaken the adhesive force.
Fillers may be added.

Examples of the tackifier include glycerin ester of partially hydrogenated rosin, glycerin ester of rosin, pentaerythritol modified rosin, petroleum resin, α-methylstyrene/vinyltoluene copolymer, terpene oil polymer, and terpene phenol polymer.

Examples of the wax include paraffin wax, microcrystalline wax, low molecular weight polyethylene wax, Finscher-Tropsch wax, Castor wax, and chlorinated paraffin.

Examples of antioxidants include hindered phenol compounds, salicylic acid compounds, benzophenone compounds, benzotriazole compounds, phosphorus compounds, sulfur compounds, and organometallic compounds.

Examples of thermoadhesive resins having weak adhesive strength other than the above examples include styrene-butadiene-styrene copolymer,
Styrene-isoprene-styrene copolymer, polyethylene, ethylene-ethyl acrylate copolymer resin, ethylene-acrylic acid copolymer resin, ethylene-methyl acrylate copolymer resin, ethylene-methyl methacrylate copolymer resin, ethylene-methacrylic acid copolymer resin Resin, ionomer resin, polymethylpentene resin, ethylene-vinyl alcohol copolymer resin, vinylidene chloride resin, vinyl chloride-vinyl acetate copolymer resin, polyamide resin, styrene-acrylic acid copolymer resin, polystyrene resin, polyacrylic acid copolymer resin , polyester resin, polyurethane resin, waxes, etc. can be selected.

When printing or coating with these materials, it is preferable to use them while heating, or by dissolving them in a solvent or dispersing them in water.

Furthermore, a second thermoadhesive resin layer 26 having strong adhesive strength is formed on the surface of the first thermoadhesive resin layer 24 .

In this embodiment, the second thermoadhesive resin layer 26 is
They are formed with a constant width on both sides of the postcard mount 12 in the longitudinal direction, that is, on both the upper and lower ends of the covering material 14. Further, the second heat-adhesive resin layer 26 is formed in a spot shape on both sides of the postcard mount 12 in the width direction, that is, on both left and right ends of the covering material 14. This second thermal adhesive resin layer 2
6 is partially coated on the surface of the first thermoadhesive resin layer 24 with strong adhesive force, such as EVA adhesive, styrene-butadiene-styrene copolymer, styrene-isoprene-styrene copolymer, etc. It is formed by applying a thermoadhesive resin having a In this case, the thermoadhesive resin material with strong adhesive strength may contain more tackifier or no release agent than the thermoadhesive resin material with weak adhesive strength. .

Note that the second thermoadhesive resin layer 26 may be formed on the surface of the first thermoadhesive resin layer 24 only at both upper and lower ends or at both left and right ends of the covering material 14. In this case, the second thermoadhesive resin rfi 26 may be formed with a constant width or may be formed in a spot shape.

Next, the method for manufacturing this postcard will be explained.

First, continuous paper for forming the postcard material 10 is prepared. A postcard mount 12 portion and a base material 18 portion are continuously formed in the width direction of this continuous paper. Therefore, the length of the continuous paper in the width direction is the length of the postcard mount 12 and the base material 1.
This is the total length of 8.

Then, the hiding layer 20 is formed on one main surface of the base material 18 of the continuous paper by solid silver printing with silver ink, for example, by a well-known printing method such as offset printing, or by coating.

Next, as shown in FIG. 3, the laminate obtained by winding the postcard material 10 on which the concealing layer 20 has been formed into a roll is loaded onto the holding roller 32 of the covering material manufacturing apparatus 30.

One end of the postcard material 10 held by the holding roller 32 is unwound and guided to the resin coating device 34. This resin coating device 34 is for printing and coating a resin 22a such as the vinyl chloride-vinyl acetate copolymer described above on the surface of the hidden layer 20 of the base material 18.

The postcard material 10 with the resin 22a printed and applied on the base material 18 is led to a dryer 36, where the resin 22a is printed and applied.
a is dried and formed as a primer layer 22.

Next, the postcard material 10 on which the primer layer 22 has been formed is printed with a thermoadhesive resin 24a having a weak adhesive force, which is made of, for example, the above-mentioned ethylene-vinyl acetate copolymer resin.
It is guided to a thermal adhesive resin coating device 40 for coating.

The thermal adhesive resin coating device 40 is a printing/coating device that utilizes a known printing/coating method such as letterpress printing, gravure printing, or silk screen printing.

This thermal adhesive resin coating device 40 coats the primer layer 2.
2 has a thermoadhesive resin 24a with weak adhesive strength.
is printed and applied.

The postcard material 10 printed and coated with the thermal adhesive resin 24a is then led to a dryer 42, where the thermal adhesive resin 24a is dried and formed as the first thermal adhesive resin layer 24.

Next, the postcard material 10 on which the first heat-adhesive resin layer 24 has been formed is guided to a heat-adhesive resin coating device 44 for printing and applying a heat-adhesive resin 26a having strong adhesive strength. This thermal adhesive resin coating device 44 is a printing/coating device that utilizes a known printing/coating method such as letterpress printing, gravure printing, or silk screen printing. This heat-adhesive resin coating device 44 partially coats the surface of the first heat-adhesive resin layer 24 with a heat-adhesive resin 26 having a strong adhesive force.
a is printed and applied.

The postcard material 10 printed and coated with the thermal adhesive resin 26a is then led to a dryer 46, where the thermal adhesive resin 26a is applied.
6a is dried and formed as the second thermoadhesive resin layer 26.

In this way, in this postcard material 10, as shown in FIG. A covering material 14 is formed in which resin layers 26 are sequentially laminated.

The postcard material 10 with this covering material 14 formed thereon is
It is wound up into a roll shape by a winding roller 48.

In this embodiment, as shown in FIGS. 1B and 4, a concealing layer 20 is formed on one main surface of the base material 18,
A primer layer 22 is formed on the surface of the hiding layer 20, and a first thermoadhesive resin layer 24 is formed on the surface of the primer layer 22. The adhesive force of the first thermoadhesive resin layer 24 is strengthened by the primer layer 22. Therefore, the first thermoadhesive resin layer 24 is strongly adhered to the base material 18.

Furthermore, a second thermoadhesive resin layer 26 is formed with a constant width on the surface of the first thermoadhesive resin layer 24 at both upper and lower ends of the covering material 14 . Further, the second thermoadhesive resin layer 26 is formed in a spot shape on the surface of the first thermoadhesive resin layer 24 at both left and right ends of the covering material 14 . Therefore, the covering material 14 is attached to the second postcard mount 12.
The second thermal adhesive resin layer 26 is strongly adhered to the parts where the second thermal adhesive resin layer 26 is formed, and the second thermal adhesive resin layer 26 is not formed to be weakly adhered.

Note that if a material with excellent hiding properties is selected as the base material 18, the hiding layer 20 may not be formed. In this case, the primer layer 22 is formed on one main surface of the base material 18.

Further, the surface of the base material 18 may be appropriately printed with printing suitable for the nature of the postcard, and in the case of a continuous postcard as in the above-mentioned embodiment, for example, a detection method for detecting a feed pinch of the base material 18 may be applied. The mark (arrow) may be printed in ink or the like.

Subsequently, the postcard material 10 is guided to a covering material adhesive device that adheres this covering material 14 portion to the postcard mount 12 portion.

At this time, in order to cover the confidential information such as the bank deposit balance formed on a part of the surface of the postcard with the covering material 14, appropriate characters are printed in advance in an appropriate place on the postcard material, for example, in the bottom column of the surface. There is a need to keep it.

In addition, when this covering material 14 is to be adhered to, for example, the bottom section of a postcard, the postcard materials 10 are fed one after another, and as shown in FIG. 12 and the covering material 14 are joined. Then, the covering material 14 may be attached to the surface of the postcard mount 12 while pressing the surface of the postcard material 10 with a pressure roller. The postcard material 10 is then cut to an appropriate size to form a postcard of the present invention.

The thus bonded covering material 14 is strongly bonded in the areas where the second thermally adhesive resin layer 26 is formed, and weakly in areas where the second thermally adhesive resin layer 26 is not formed. Glued.

Therefore, as shown in FIGS. 2A and 2B, the base material 18. Hidden layer 20. The primer layer 22 and the first thermoadhesive resin N24 can be cut and peeled off from the postcard mount 12 relatively easily. In this case, the second
The base material 18, the hiding layer 20. Primer layer 22 and first thermoadhesive resin layer 24 can be easily peeled off. The lottery section 13a and secret information 13b on the front surface of the postcard mount 12 can be seen.

6A and 6B respectively show other embodiments of the present invention, with FIG. 6A being a perspective view thereof and FIG. 6B being a sectional view thereof. In this embodiment, in particular, the substrate 18
．． Hidden layer 20. Cuts 28a and 28b, which are perforations, for example, are formed along the edges of the second heat-adhesive resin layer 26 at both upper and lower ends of the primer layer 22 and the first heat-adhesive resin layer 24. These cuts 28a, 2
The dates are produced, for example, by means of a score-forming device, which includes a roll with incisors, so-called guirolls, or a die cutter with incisors.

Therefore, in this embodiment, as shown in FIGS. 7A and 7B, in the portion where the second thermoadhesive resin layer 26 is not formed, the base material 18° and the hiding layer 20. The primer layer 22 and the first thermoadhesive resin layer 24 are cut at the cut 28.
It can be peeled off from the postcard mount 12 relatively easily by cutting at the edges a and 28b. The lottery section 13a and secret information 13b on the front surface of the postcard mount 12 can be seen.

FIGS. 8A and 8B respectively show still other embodiments of the present invention, with FIG. 8A being a perspective view thereof and FIG. 8B being a sectional view thereof. In this embodiment, in particular, slightly inside the cut 28b, the base material 18. hidden layer 20
．． Another cut 28c is formed in the primer layer 22 and the first thermoadhesive resin layer 24. This cut 28c is formed together with the cuts 28a and 28b, for example with a die roll. Furthermore, between the cuts 28b and 28c, the base material 18. Hidden layer 20. At one end of the primer layer 22 and the first thermoadhesive resin layer 24, a notch 29 having, for example, a semicircular shape in plan view is formed.

Therefore, in this embodiment, when peeling off the center portion of the covering material 14 in the vertical direction, first, as shown in FIGS. The hiding layer 20, primer N22 and first thermoadhesive resin layer 24 are peeled off. In this case, the notch 29
When you put your finger on the base material 18, the hiding layer 20. Primer layer 22 and first
The heat-adhesive resin layer 24 can be easily peeled off. Then, by folding or cutting the vertical center portion of the covering material 14 at the cut 28a, the postcard mount 12
The lottery section 13a and secret information 13b on the front surface of the screen can be seen.

Note that in the embodiment shown in FIGS. 8A and 8B,
Instead of forming cutout 29, cuts 28b and 28
A protruding piece extending outward may be formed between c. In this way, by pinching the protrusion, the covering material 14
You can peel off the narrow part more easily.

In each of the above-mentioned embodiments, the center portion of the covering material 14 in the vertical direction is configured to be peelable. Furthermore, the base material 18. Hidden layer 20. Primer layer 22 and first
A cut may be formed in the heat-adhesive resin layer 24 so that the central portion of the covering material 14 can be peeled off from the postcard mount 12.

Further, in each of the above-mentioned embodiments, the lottery part 13a is formed on the surface of the postcard mount 12, but the lottery part 13a is
If the hiding layer 20 is present, it may be formed on either the surface of the concealing layer 20 or the surface of the postcard mount 12, and if the concealing layer 20 is not present, it may be formed on one main surface of the base material 18 and the postcard mount 12. It may be formed on any surface of the surface.

Furthermore, in each of the embodiments described above, the cuts may be formed along the circumference of the substrate on the surface. By forming the cut in this way, only the central portion of the covering material can be peeled off. In this case, as shown in FIG.
Cut one cut 224 into a straight cut portion 2 so that a portion of adjacent cuts 224 overlap when viewed in the direction of peeling off.
24a and the arcuate cut portion 224b, the central portion of the covering material 212 can be easily peeled off. In order to be able to easily peel off the central part of the adhesive material, for example, as shown in FIG. The base material 314 may be formed diagonally so that the base material 314 partially overlaps.

In the postcards shown in Figures 10 and 11, when the covering material is pulled in the direction shown by the arrow, the covering material between adjacent cuts is torn, as shown by the dashed-dotted arrow in the figure. The covering material is removed from the area surrounded by the cut.

[Brief explanation of drawings]

1A and 1B show a postcard according to an embodiment of the present invention, FIG. 1A being a perspective view thereof, and FIG. 1B being a sectional view thereof. FIG. 2A and FIG. 2B are diagrams showing the state in which the covering material of the above embodiment is cut and peeled off from the postcard mount,
FIG. 2A is a perspective view thereof, and FIG. 2B is a sectional view thereof. FIG. 3 is an illustrative view showing an example of a method for manufacturing the postcard shown in FIGS. 1A and 1B. FIG. 4 is a perspective view of continuous postcard material. FIG. 5 is an illustrative view showing a state in which the covering material of a continuous postcard material is folded back and pasted on a postcard mount. 6A and 6B respectively show other embodiments of the present invention, with FIG. 6A being a perspective view thereof and FIG. 6B being a sectional view thereof. Figures 7A and 7B show the postcards shown in Figures 6A and 6B with the covering material removed, respectively, Figure 7A is a perspective view thereof, and Figure 7B is a sectional view thereof. . FIGS. 8A and 8B respectively show still other embodiments of the present invention, with FIG. 8A being a perspective view thereof and FIG. 8B being a sectional view thereof. Figures 9A and 9B show the postcard shown in Figures 8A and 8B with the narrow width portion of the covering material removed, respectively, Figure 9A is a perspective view thereof, and Figure 9B is a perspective view thereof. FIG. FIG. 10 is a plan view showing another embodiment of the invention. FIG. 11 is a plan view showing a modification of the postcard shown in FIG. 10. In the figure, 10 is postcard material, 12 is postcard mount, 13
a is a lottery part, 13b is a secret matter, 14 is a covering material, 18 is a base material, 20 is a concealing layer, 22 is a primer layer, 24 is a first
26 is a second thermal adhesive resin layer; 30 is a thermal adhesive resin layer;
32 is a coating manufacturing device, 32 is a holding roller, 34 is a resin coating device, 36 is a dryer, 40 and 44 are heat-adhesive resin coating devices, 42 and 46 are dryers, and 48 is a winding roller. Fig. 1A Fig. 2A Fig. 2B Fig. 1B Fig. 6A Fig. 6B Fig. 7A Fig. 7B Fig. 8A Fig. 8B Fig. 9A b

Claims (1)

[Scope of Claims] 1. A postcard mount, and a covering material formed integrally with the postcard mount, folded back and affixed to the postcard mount, and covering at least a portion thereof, the covering material having a concealing property. a base material comprising: a primer layer formed on one main surface of the base material; a first thermoadhesive resin layer formed on the surface of the primer layer and having weak adhesive strength; and the first thermoadhesive resin layer. a second thermoadhesive resin layer formed on a part of the surface and having strong adhesive strength, the covering material includes a second thermoadhesive resin layer formed on a part of the surface of the first thermoadhesive resin layer and the second thermoadhesive resin layer.
A postcard adhered to the surface of the postcard mount using a heat-adhesive resin layer. 2. A step of preparing a postcard material that includes a postcard mount and a base material that is formed integrally with the postcard mount and is folded back to cover at least a portion of the postcard mount, covering by each of the following steps (A) to (C) (A) forming a primer layer on one main surface of the base material; (B) a first layer having a weak adhesive force on the surface of the primer layer;
(C) forming a second heat-adhesive resin layer having strong adhesive force on a part of the surface of the first heat-adhesive resin layer, and the postcard. a step of folding back the base material and attaching the covering material to at least a part of the surface of the postcard mount using the first thermoadhesive resin layer and the second thermoadhesive resin layer; A postcard manufacturing method for manufacturing a postcard according to claim 1. 3. A postcard mount, and a covering material that is formed integrally with the postcard mount, is folded back and affixed to the postcard mount, and covers at least a portion thereof, and the covering material is a base material; a hiding layer formed on a surface and having hiding properties; a primer layer formed on the surface of the hiding layer; a first thermoadhesive resin layer formed on the surface of the primer layer and having weak adhesive strength; The coating material includes a second thermoadhesive resin layer formed on a part of the surface of the thermoadhesive resin layer and has strong adhesive strength, and the covering material is formed on a part of the surface of the thermoadhesive resin layer and the second thermoadhesive resin layer.
A postcard adhered to the surface of the postcard mount using a heat-adhesive resin layer. 4. A step of preparing a postcard material including a postcard mount and a base material formed integrally with the postcard mount and folded back to cover at least a portion of the postcard mount, covering by each of the following steps (A) to (D). (A) forming a masking layer having masking properties on one main surface of the base material; (B) forming a primer layer on the surface of the masking layer; (C) the primer layer. The first one has weak adhesion to the surface of
(D) forming a second heat-adhesive resin layer having strong adhesive force on a part of the surface of the first heat-adhesive resin layer, and the postcard. a step of folding back the base material and attaching the covering material to at least a part of the surface of the postcard mount using the first thermoadhesive resin layer and the second thermoadhesive resin layer; A postcard manufacturing method for manufacturing a postcard according to claim 3.