JP5699346B2 - Luminescent seal - Google Patents

Luminescent seal Download PDF

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JP5699346B2
JP5699346B2 JP2013186382A JP2013186382A JP5699346B2 JP 5699346 B2 JP5699346 B2 JP 5699346B2 JP 2013186382 A JP2013186382 A JP 2013186382A JP 2013186382 A JP2013186382 A JP 2013186382A JP 5699346 B2 JP5699346 B2 JP 5699346B2
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layer
adhesive strength
stress
luminescent material
material layer
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JP2013254225A (en
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佐藤　潤
潤 佐藤
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Dai Nippon Printing Co Ltd
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Dai Nippon Printing Co Ltd
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Description

本発明は、例えば、食品、化粧品、あるいは海賊版などが流通しやすいパソコンソフトなどの対象物が真正なものであることの証明に利用できるシールに関する。 The present invention relates to a seal that can be used for proof that an object such as personal computer software that facilitates the distribution of food, cosmetics, or pirated versions is authentic.

例えば、封緘シールには封緘対象物（以下、被着体という）に接着させるための感圧接着剤層が形成されており、前記封緘シールの基材と感圧接着剤層の間には、通常、開封された場合の痕跡を残すための特殊な構造を施している。例えば、基材の片側に剥離層、金属蒸着層、感圧接着剤層を順次形成し、感圧接着剤層を剥離紙で保護し、使用の際は、剥離シートを剥がし、被着体に貼付し、被着体から封緘シールを剥がすと、剥離層と金属蒸着層の境界で剥離する構造になっている。 For example, a pressure-sensitive adhesive layer for adhering to a sealing object (hereinafter referred to as an adherend) is formed on the sealing seal, and between the base material of the sealing seal and the pressure-sensitive adhesive layer, Usually, it has a special structure to leave a trace when opened. For example, a release layer, a metal vapor deposition layer, and a pressure-sensitive adhesive layer are sequentially formed on one side of the base material, and the pressure-sensitive adhesive layer is protected with a release paper. When affixed and the sealing seal is peeled off from the adherend, the structure peels off at the boundary between the release layer and the metal vapor deposition layer.

一度剥離層と金属蒸着層の境界で剥離した封緘シールは、再度貼り付けることができないため、開封された場合の痕跡を残す機能を果たしている。
また、易破壊構造を利用した封緘シールがある（例えば、特許文献１参照）。
これは、封緘シールの剥離層をパターン状にし、シールの基材を剥がしたときに、被着体に固有の形状の残留物を残すことで不正が行われたことを知らしめている。
このような封緘シールは、食品，化粧品，パーソナルコンピュータ用ソフト，輸出用純正部品などの封緘に使用されている。
また、封緘シールは、開封されたことが判るようになっているとともに、封緘対象物が個人消費者を対象とするものである場合、とりわけ、化粧品などに使用される場合は、外観上美しいことも重要な要素である。 Since the sealing seal once peeled off at the boundary between the peeling layer and the metal vapor deposition layer cannot be attached again, it functions to leave a trace when opened.
In addition, there is a sealing seal using an easily breakable structure (see, for example, Patent Document 1).
This makes it known that fraud has been performed by leaving a residue of a specific shape on the adherend when the sealing layer is made into a pattern and the base material of the seal is peeled off.
Such sealing seals are used for sealing foods, cosmetics, software for personal computers, genuine parts for export, and the like.
In addition, the sealing sticker can be seen to have been opened, and when the sealing target is intended for an individual consumer, especially when used for cosmetics, it must be beautiful in appearance. Is also an important factor.

特開昭６１−２２６７８３号公報JP-A-61-226783

前述の封緘シールでは、基材を剥離した後に無機質な樹脂層が表面に表出するだけで、外観が美しくないという問題がある上に、剥がしたときに表出した残留物から封緘シールが真正なものか否か容易に判定できないという問題もある。
そこで、本発明は上記の課題に鑑みてなされたものであり、当該シール部分が真正なものであることが明確に確認できるシールを提供することを目的とするものである。 In the above-mentioned sealing seal, there is a problem that the inorganic resin layer is only exposed on the surface after the substrate is peeled off, and the appearance is not beautiful. In addition, the sealing seal is authentic from the residue exposed when it is peeled off. There is also a problem that it is not easy to determine whether or not it is a problem.
Therefore, the present invention has been made in view of the above problems, and an object thereof is to provide a seal that can clearly confirm that the seal portion is authentic.

前記課題を解決するために、本発明の第一の態様は、基材と、前記基材に部分的に形成された接着強度抑制層と、前記接着強度抑制層の少なくとも一部を被覆する状態で形成された応力発光材料層と、前記応力発光材料層を被着体に接着する感圧接着剤層とが、この順に設けられた発光シールであって、前記接着強度抑制層と前記応力発光材料層をなすインキの調合に際して、接着強度抑制層と応力発光材料層の接着強度＜応力発光材料層の層間強度＜接着強度抑制層と基材の接着強度，乃至は基材と応力発光材料層の接着強度となり、かつ、感圧接着剤層と応力発光材料層の接着強度＜感圧接着剤と被着体の接着強度となるように接着強度抑制層となるインキを調整することにより、前記接着強度抑制層と前記応力発光材料層の接着強度が、前記応力発光材料層と前記基材の接着強度より弱く設定され、当該発光シールを被着体から剥がすときに少なくとも前記接着強度抑制層の形成された部分を除く応力発光材料層が層間で破壊して発光することを特徴とするものである。 In order to solve the above problems, a first aspect of the present invention is a state in which a base material, an adhesive strength suppression layer partially formed on the base material, and a state in which at least a part of the adhesive strength suppression layer is covered and in the formed stress luminescent material layer, a pressure sensitive adhesive layer for bonding the stress light-emitting material layer to an adherend is a light-emitting seal provided in this order, the stress light-emitting and the adhesive strength suppressing layer In preparing the ink forming the material layer, the adhesive strength between the adhesive strength suppressing layer and the stress luminescent material layer <the interlayer strength of the stress luminescent material layer <the adhesive strength between the adhesive strength suppressing layer and the substrate, or the base material and the stress luminescent material layer. And by adjusting the ink serving as the adhesive strength suppressing layer so that the adhesive strength of the pressure-sensitive adhesive layer and the stress-stimulated luminescent material layer <the adhesive strength of the pressure-sensitive adhesive and the adherend, the adhesive strength of the the adhesive strength suppressing layer stress-luminescent material layer Wherein the stress-set luminescent material layer and weaker than the adhesion strength of the base material, the stress luminescent material layer except the portion formed of at least the adhesive strength suppression layer when peeling the light-emitting seal from the adherend destroys the layers And emitting light.

即ち、本発明の第一の態様の発光シールは、基材に部分的に形成された接着強度抑制層、前記接着強度抑制層の少なくとも一部を被覆する状態で形成された応力発光材料層、前記応力発光材料層を被覆する状態で形成された感圧接着剤層が順次設けられた発光シールであって、前記それぞれの接着強度は、接着強度抑制層と応力発光材料層の接着強度＜応力発光材料層の層間強度＜接着強度抑制層と基材の接着強度，基材と応力発光材料層の接着強度，感圧接着剤層と応力発光材料層の接着強度＜感圧接着剤と被着体の接着強度となるように設定される。 That is, the light emitting seal of the first aspect of the present invention includes an adhesive strength suppressing layer partially formed on a substrate, a stress luminescent material layer formed in a state of covering at least a part of the adhesive strength suppressing layer, the stress light-emitting material layer pressure-sensitive adhesive layer formed in a state of coating a light-emitting seals are sequentially provided, the adhesive strength of the respective adhesive strength of the adhesive strength suppressing layer and the stress light-emitting material layer <stress Interlaminar strength of luminescent material layer <adhesive strength between adhesive layer and substrate, adhesive strength between substrate and stress luminescent material layer, adhesive strength between pressure sensitive adhesive layer and stress luminescent material layer <pressure sensitive adhesive and deposition It is set so as to be the adhesive strength of the body .

したがって、第一の態様の発光シールによれば、前記発光シールを被着体に貼付し、前記被着体に貼付した発光シールの基材をつまんで被着体から剥がす際に、少なくとも前記接着強度抑制層の形成された部分を除く応力発光材料層が層間で破壊して発光する。 Therefore, according to the light emitting seal of the first aspect, when the light emitting seal is affixed to an adherend, and the substrate of the light emitting seal affixed to the adherend is pinched and removed from the adherend, at least the adhesion The stress-stimulated luminescent material layer excluding the portion where the strength suppressing layer is formed breaks between the layers to emit light.

また、第二の態様は、前記第一の態様において、前記接着強度抑制層は、網点又は線から形成されていることを特徴とするものである。 The second aspect is characterized in that, in the first aspect, the adhesive strength suppressing layer is formed of halftone dots or lines.

第二の態様によれば、前記接着強度抑制層は、網点又は線により基材に部分的に図柄または文字等を形成することができる。 According to the 2nd aspect, the said adhesive strength suppression layer can form a design or a character partially in a base material with a halftone dot or a line | wire.

本発明によれば、当該発光シールを被着体に貼付し、前記被着体に貼付した発光シールの基材をつまんで被着体から剥がす際に、少なくとも前記接着強度抑制層の形成された部分を除く応力発光材料層が層間で破壊して発光することから、当該発光シールを被着体から剥がす際に生ずる発光により発光シール部分が真正なものであることが明確に確認できるという効果がある。 According to the present invention, when the light emitting seal is attached to the adherend, and the substrate of the light emitting seal attached to the adherend is pinched and peeled off from the adherend, at least the adhesive strength suppressing layer is formed. Since the stress luminescent material layer excluding the portion breaks between the layers and emits light, it is possible to clearly confirm that the light emitting seal portion is authentic by light emission generated when the light emitting seal is peeled off from the adherend. is there.

本実施形態の封緘シールの断面図の一例である。It is an example of sectional drawing of the sealing seal | sticker of this embodiment. 本実施形態の発光シールが貼付された被着体の平面図の一例である。It is an example of the top view of the to-be-adhered body in which the light emission seal | sticker of this embodiment was stuck. 本実施形態の封緘シールの使用方法の一例について説明するための図である。It is a figure for demonstrating an example of the usage method of the seal seal of this embodiment.

図１を参照して、本実施の形態の封緘シールの断面について説明する。
封緘シール１００は、基材１１と、基材１１側から、部分的に形成された接着強度抑制層１２、応力発光材料層１３、感圧接着剤層１４が順次形成された発光シール１と、前記感圧接着剤層１４を保護する剥離紙２で構成される。 With reference to FIG. 1, the cross section of the sealing seal | sticker of this Embodiment is demonstrated.
The sealing seal 100 includes a base material 11, a light emitting seal 1 in which a partially formed adhesive strength suppressing layer 12, a stress light emitting material layer 13, and a pressure sensitive adhesive layer 14 are sequentially formed from the base material 11 side, It is composed of a release paper 2 that protects the pressure-sensitive adhesive layer 14.

接着強度抑制層１２は、図に示すように基材１１の裏側の一部に形成されている。
接着強度抑制層１２の形成部は全面が網点又は線等によって描写され、発光シールの被着体に対する接着強度が確保されるように設定されている。
前述の網点又は線等によって描写された領域はパターン（図柄）になっていてもよく、その上に形成される応力発光材料層１３のインキ又は塗料が、接着強度抑制層１２の隙間を埋めて基材１１との接着強度を維持している。 The adhesive strength suppressing layer 12 is formed on a part of the back side of the substrate 11 as shown in the figure.
The entire surface of the formation portion of the adhesive strength suppressing layer 12 is depicted by halftone dots or lines, and is set so that the adhesive strength of the light emitting seal to the adherend is ensured.
The region drawn by the above-described halftone dots or lines may be a pattern (pattern), and the ink or paint of the stress-stimulated luminescent material layer 13 formed thereon fills the gaps in the adhesive strength suppressing layer 12. Thus, the adhesive strength with the substrate 11 is maintained.

接着強度抑制層１２は、発光シール１を被着体（図示せず）から剥がした時に接着強度抑制層１２と応力発光材料層１３の間で剥離するように、接着強度抑制層１２と応力発光材料層１３の接着強度を少なくとも応力発光材料層１３と基材１１の接着強度より弱くなるように抑制あるいは調整する役割を担っている。
更に、前述したように接着強度抑制層１２は、感圧接着剤層１４と応力発光材料層１３との接着力より弱くなるように調整されている。
更に、接着強度抑制層１２は、応力発光材料層１３の層間強度（応力発光材料層の層間接
着力）より強くならないように調整されている。
その結果、前述のように発光シール１の基材１１を被着体（図示せず）から剥がした時に
応力発光材料層１３が層間で破壊し、この破壊応力によって応力発光材料層１３の破壊部
分で発光する。 The adhesive strength suppression layer 12 and the stress light emission layer 12 are peeled between the adhesive strength suppression layer 12 and the stress light emitting material layer 13 when the light emitting seal 1 is peeled off from an adherend (not shown). It plays a role of suppressing or adjusting the adhesive strength of the material layer 13 so as to be weaker than at least the adhesive strength between the stress-stimulated luminescent material layer 13 and the substrate 11.
Furthermore, as described above, the adhesive strength suppressing layer 12 is adjusted to be weaker than the adhesive force between the pressure-sensitive adhesive layer 14 and the stress-stimulated luminescent material layer 13.
Furthermore, the adhesive strength suppressing layer 12 is adjusted so as not to be stronger than the interlayer strength of the stress luminescent material layer 13 (interlayer adhesive force of the stress luminescent material layer).
As a result, when the base material 11 of the light emitting seal 1 is peeled off from the adherend (not shown) as described above, the stress light emitting material layer 13 breaks between the layers, and the fracture portion of the stress light emitting material layer 13 is broken by this breaking stress. Flashes on.

図２の発光シールが貼付された被着体の一部である平面図を参照して、本実施形態の発光シールの一例について説明する。
前述の図１に示す封緘シール１００から剥離紙２が剥がされて、感圧接着剤層１４の接着面が露出し、発光シール１が被着体３（図２に示す平面図は、封筒の封緘部を被着体とした例である）に貼付される。
被着体３に貼付された発光シール１は、透明な基材１１の周囲が遮蔽インキ１５で印刷されていて、中央部の透明な部分から網点でデザインされた楕円形の接着強度抑制材料による印刷部、即ち接着強度抑制層１２が透けて見えている。前記楕円形の内側には、「ＧＥＮＵＩＮＥ」という文字が前記接着強度抑制層１２と近似の色で楕円形のパターンの中に嵌め込まれて形成されている。「ＧＥＮＵＩＮＥ」という文字は、白っぽい線で縁取られているために基材１１を透して微かに視認することができる。 An example of the light emitting seal of the present embodiment will be described with reference to a plan view which is a part of an adherend to which the light emitting seal of FIG. 2 is attached.
The release paper 2 is peeled off from the sealing seal 100 shown in FIG. 1 to expose the adhesive surface of the pressure-sensitive adhesive layer 14, and the light emitting seal 1 is attached to the adherend 3 (the plan view shown in FIG. This is an example in which the sealing portion is an adherend.
The light emitting sticker 1 affixed to the adherend 3 is an elliptical adhesive strength suppressing material in which the periphery of a transparent substrate 11 is printed with a shielding ink 15 and is designed with a halftone dot from a transparent portion at the center. The printed part, i.e., the adhesive strength suppressing layer 12 can be seen through. On the inner side of the ellipse, characters “GENUINE” are formed by being fitted into an oval pattern with a color similar to that of the adhesive strength suppressing layer 12. Since the characters “GENUINE” are bordered by a whitish line, they can be visually recognized through the base material 11.

開封するために、被着体３に貼付された発光シール１から基材１１を剥ぎ取ると、図の矢印の下部のようなパターンが出現する。剥ぎ取られた基材１１には楕円形の遮蔽インキ１５が残され、中央部は透明な状態に残される。上記遮蔽インキ１５は、基材の表出面に印刷されてもよいし、裏側（接着強度抑制層１２側）に印刷されてもよい。基材１１が剥がされた被着体３側には、感圧接着剤層１４の内側の接着強度抑制層剥離跡１２０に囲まれた応力発光材料層１３による文字パターン「ＧＥＮＵＩＮＥ」が、発光文字として発現する。 When the base material 11 is peeled off from the light emitting sticker 1 attached to the adherend 3 for opening, a pattern as shown at the bottom of the arrow in the figure appears. The oval shielding ink 15 is left on the peeled substrate 11, and the central portion is left in a transparent state. The shielding ink 15 may be printed on the exposed surface of the substrate, or may be printed on the back side (adhesive strength suppressing layer 12 side). On the side of the adherend 3 from which the substrate 11 has been peeled off, a character pattern “GENUINE” by the stress-stimulated luminescent material layer 13 surrounded by the adhesive strength suppressing layer peeling trace 120 inside the pressure-sensitive adhesive layer 14 is formed as a luminescent character. As expressed.

図１を一部参照して、封緘シールに使用される材料及び形成方法の一例について説明する。 With reference to a part of FIG. 1, an example of a material used for the sealing and a forming method will be described.

基材１１としては紙、合成紙、透明又は不透明フィルムを適宜使用することができる。基材１１の層間強度は、少なくとも応力発光材料層１３の層間強度より強くなくてはいけない。 As the substrate 11, paper, synthetic paper, transparent or opaque film can be used as appropriate. The interlayer strength of the base material 11 must be stronger than at least the interlayer strength of the stress luminescent material layer 13.

接着強度抑制層１２の材料には、アクリルを主成分としたＵＶ硬化型の樹脂等を使用することができる。また、必要に応じてシリコーンやワックスなどの離型成分を前記アクリルを主成分としたＵＶ硬化型の樹脂等に適量添加して、接着強度を調整する。 As a material for the adhesive strength suppressing layer 12, a UV curable resin mainly composed of acrylic can be used. Further, if necessary, an appropriate amount of a release component such as silicone or wax is added to the UV curable resin mainly composed of acrylic to adjust the adhesive strength.

応力発光材料層１３として応力発光粒子を各種印刷方式に適したインキにインキ化したものを使用する。応力発光粒子としては、例えば、特開２０００−６３８２４号公報、特開２０００−１１９６４７号公報、特開２００１−４９２５１号公報、特開２００１−６４６３８号公報等に開示されている材料を使用することができる。 As the stress-stimulated luminescent material layer 13, a material in which stress-stimulated luminescent particles are converted into ink suitable for various printing methods is used. As the stress-stimulated luminescent particles, for example, materials disclosed in JP 2000-63824 A, JP 2000-119647 A, JP 2001-49251 A, JP 2001-64638 A, and the like are used. Can do.

接着強度抑制層１２、応力発光材料層１３のインキ化に際しては、前述のように接着強度抑制層と応力発光材料層の接着強度＜応力発光材料層の層間強度＜接着強度抑制層と基材の接着強度，基材と応力発光材料層の接着強度，感圧接着剤層と応力発光材料層の接着強度＜感圧接着剤と被着体の接着強度の関係を配慮して調合する。














As described above, when the adhesive strength suppressing layer 12 and the stress luminescent material layer 13 are inked, the adhesive strength between the adhesive strength suppressing layer and the stress luminescent material layer <the interlayer strength of the stress luminescent material layer <the adhesive strength suppressing layer and the base material. The adhesive strength, the adhesive strength between the base material and the stress-stimulated luminescent material layer, and the adhesive strength between the pressure-sensitive adhesive layer and the stress-stimulated luminescent material layer <the adhesive strength between the pressure-sensitive adhesive and the adherend are taken into consideration.














また、接着強度抑制層１２、応力発光材料層１３の形成に際しては、オフセット印刷方式、フレキソ印刷方式、グラビア印刷方式、スクリーン印刷方式により形成する。 In addition, when forming the adhesive strength suppressing layer 12 and the stress-stimulated luminescent material layer 13, they are formed by an offset printing method, a flexographic printing method, a gravure printing method, or a screen printing method.

また、基材１１に図柄や文言を印刷する場合は、市販のオフセット印刷、凸版印刷、スクリーン印刷、グラビア印刷、フレキソ印刷用のインキを使用する。 Moreover, when printing a design and a word on the base material 11, the ink for commercially available offset printing, letterpress printing, screen printing, gravure printing, and flexographic printing is used.

感圧接着剤層１４に用いる感圧接着剤としては、市販のゴム系、アクリル系の粘着剤から適宜選択し、ロールコート、グラビアコート、スクリーン印刷方式などによって形成する。
また、感圧接着剤層１４を保護する剥離紙２には、市販の紙又はプラスチックフィルムに剥離処理を施したものを使用する。 The pressure sensitive adhesive used for the pressure sensitive adhesive layer 14 is appropriately selected from commercially available rubber-based and acrylic pressure-sensitive adhesives, and is formed by roll coating, gravure coating, screen printing, or the like.
In addition, as the release paper 2 that protects the pressure-sensitive adhesive layer 14, a commercially available paper or plastic film that has been subjected to a release treatment is used.

図３を参照して、本実施形態の封緘シールの使用方法の一例について説明する。
まず、封緘シールの使用方法は、ａ図に示すように発光シール１から剥離紙２が剥がされ、ｂ図に示すように発光シール１が感圧接着剤層１４により被着体３に貼付され、ｃ図に示す状態にする「発光シールの貼付段階」と、発光シール１が被着体３から剥がされる開封時点で、発光シール１の基材１１をつまんで被着体３から剥ぎ取ったときに、ｄ図に示すように、応力発光材料層１３が全体の中で接着強度が最も弱い接着強度抑制層１２から剥離し、次に弱い応力発光材料の層間１３０で破壊し、ｅ図に示す被着体３の発光シール貼付部跡の応力発光材料の層間１３０で発光することが確認される「発光確認段階」と、によって使用される。 With reference to FIG. 3, an example of the usage method of the sealing seal of this embodiment is demonstrated.
First, as shown in FIG. A, the release paper 2 is peeled off from the light emitting seal 1 and the light emitting seal 1 is attached to the adherend 3 by the pressure-sensitive adhesive layer 14 as shown in FIG. In the state shown in FIG. C, the “light emitting sticking step”, and at the time of opening when the light emitting seal 1 is peeled off from the adherend 3, the substrate 11 of the light emitting seal 1 is pinched and peeled off from the adherend 3. Sometimes, as shown in FIG. D, the stress-stimulated luminescent material layer 13 peels off from the adhesive strength suppressing layer 12 having the weakest adhesive strength in the whole, and then breaks at the interlayer 130 of the weak stress-stimulated luminescent material. It is used by the “light emission confirmation step” in which it is confirmed that light is emitted from the interlayer 130 of the stress light emitting material of the light emitting seal pasting portion trace of the adherend 3 shown.

図３のｄ図の状態になるためには、前述のように、ｃ図の状態で接着強度抑制層と応力発光材料層の接着強度＜応力発光材料層の層間強度＜接着強度抑制層と基材の接着強度、基材と応力発光材料層の接着強度、または、感圧接着剤層と応力発光材料層の接着強度＜感圧接着剤の層間強度を含む感圧接着剤と被着体の接着強度、にそれぞれの接着強度が設定されていなければならない。 In order to be in the state shown in FIG. 3d, as described above, in the state shown in FIG. 3, the adhesive strength between the adhesive strength suppressing layer and the stress luminescent material layer <the interlayer strength of the stress luminescent material layer <the adhesive strength suppressing layer and the base. Adhesive strength of the material, adhesive strength between the base material and the stress luminescent material layer, or adhesive strength between the pressure sensitive adhesive layer and the stress luminescent material layer <interlayer strength of the pressure sensitive adhesive and adhesion of the adherend Each bond strength must be set to the bond strength.

前述の説明では、言及していないが、被着体の層間強度は感圧接着剤の層間強度を含む感圧接着剤と被着体の接着強度より大であることを前提としている。 Although not mentioned in the above description, it is assumed that the interlayer strength of the adherend is greater than the adhesive strength between the pressure-sensitive adhesive and the adherend including the interlayer strength of the pressure-sensitive adhesive.

本発明は、対象物の被着体が真正なものであることを証明する必要がある食品、化粧品、および、海賊版などが流通しやすいパソコンソフトなどに利用可能である。
その他、開封の痕跡を残す必要がある用途にも好適に利用できる。 The present invention can be used for foods, cosmetics, and personal computer software in which pirated editions are easy to distribute, for which it is necessary to prove that the adherend of the object is authentic.
In addition, it can be suitably used for applications where it is necessary to leave a trace of opening.

１ 発光シール
２ 剥離紙
３ 被着体
１１ 基材
１２ 接着強度抑制層
１３ 応力発光材料層
１４ 感圧接着剤層
１５ 遮蔽インキ
１００ 封緘シール
１２０ 接着強度抑制層剥離跡
１３０ 応力発光材料の層間
DESCRIPTION OF SYMBOLS 1 Light emitting seal | sticker 2 Release paper 3 To-be-adhered body 11 Base material 12 Adhesive strength suppression layer 13 Stress luminescent material layer 14 Pressure sensitive adhesive layer 15 Shielding ink 100 Sealing seal 120 Adhesive strength suppression layer peeling trace 130 Stress luminescent material interlayer

Claims (2)

基材と、前記基材に部分的に形成された接着強度抑制層と、前記接着強度抑制層の少なくとも一部を被覆する状態で形成された応力発光材料層と、前記応力発光材料層を被着体に接着する感圧接着剤層とが、この順に設けられた発光シールであって、前記接着強度抑制層と前記応力発光材料層をなすインキの調合に際して、接着強度抑制層と応力発光材料層の接着強度＜応力発光材料層の層間強度＜接着強度抑制層と基材の接着強度，乃至は基材と応力発光材料層の接着強度となり、かつ、感圧接着剤層と応力発光材料層の接着強度＜感圧接着剤と被着体の接着強度となるように接着強度抑制層となるインキを調整することにより、前記接着強度抑制層と前記応力発光材料層の接着強度が、前記応力発光材料層と前記基材の接着強度より弱く設定され、当該発光シールを被着体から剥がすときに少なくとも前記接着強度抑制層の形成された部分を除く応力発光材料層が層間で破壊して発光することを特徴とする発光シール。 A base material, an adhesive strength suppressing layer partially formed on the base material, a stress light emitting material layer formed so as to cover at least a part of the adhesive strength suppressing layer, and the stress light emitting material layer. A pressure-sensitive adhesive layer that adheres to the adherend is a light-emitting seal provided in this order, and in the preparation of the ink that forms the adhesive strength suppressing layer and the stress luminescent material layer, the adhesive strength suppressing layer and the stress luminescent material Adhesive strength of layer <interlayer strength of stress luminescent material layer <adhesive strength suppressing layer and base material, or adhesive strength between base material and stress luminescent material layer, and pressure sensitive adhesive layer and stress luminescent material layer adhesive strength <by adjusting an ink comprising an adhesive strength suppressing layer such that the adhesive strength of the pressure-sensitive adhesive and the adherend, the adhesive strength of the adhesive strength suppressing layer and the stress light-emitting material layer, the stress Weaker than the adhesive strength between the luminescent material layer and the substrate Is constant, the light emitting seal, characterized in that the stress luminescent material layer except the portion formed of at least the adhesive strength suppressing layer emits light to break between layers when peeling the light-emitting seal from the adherend. 請求項１に記載の発光シールにおいて、前記接着強度抑制層は、網点又は線から形成されていることを特徴とする発光シール。 2. The light emitting seal according to claim 1, wherein the adhesive strength suppressing layer is formed of a halftone dot or a line.
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JPS61102685A (en) * 1984-10-25 1986-05-21 冨士シ−ル工業株式会社 Indelible label for package
CA2134521A1 (en) * 1993-11-02 1995-05-03 Raymond R. Gosselin Tamper-indicating label
JP4565484B2 (en) * 2000-06-27 2010-10-20 大日本印刷株式会社 Volume hologram laminate and label for producing volume hologram laminate
JP2002103782A (en) * 2000-09-28 2002-04-09 Miyake:Kk Antifalsifying label with printed pasting surface
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