JP2018124450A - Easy-peelable label - Google Patents
Easy-peelable label Download PDFInfo
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- JP2018124450A JP2018124450A JP2017016959A JP2017016959A JP2018124450A JP 2018124450 A JP2018124450 A JP 2018124450A JP 2017016959 A JP2017016959 A JP 2017016959A JP 2017016959 A JP2017016959 A JP 2017016959A JP 2018124450 A JP2018124450 A JP 2018124450A
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- 239000000853 adhesive Substances 0.000 claims abstract description 48
- 230000001070 adhesive effect Effects 0.000 claims abstract description 45
- 229920005989 resin Polymers 0.000 claims abstract description 35
- 239000011347 resin Substances 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 30
- 239000010410 layer Substances 0.000 claims description 71
- -1 polyethylene Polymers 0.000 claims description 9
- 239000004698 Polyethylene Substances 0.000 claims description 7
- 229920000573 polyethylene Polymers 0.000 claims description 7
- 239000012790 adhesive layer Substances 0.000 claims description 5
- 239000000123 paper Substances 0.000 description 47
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 7
- 229920013716 polyethylene resin Polymers 0.000 description 6
- 238000012790 confirmation Methods 0.000 description 5
- 239000005022 packaging material Substances 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 239000002655 kraft paper Substances 0.000 description 4
- 229920001684 low density polyethylene Polymers 0.000 description 4
- 239000004702 low-density polyethylene Substances 0.000 description 4
- 238000007726 management method Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 238000007639 printing Methods 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 238000003475 lamination Methods 0.000 description 3
- 229920001179 medium density polyethylene Polymers 0.000 description 3
- 239000004701 medium-density polyethylene Substances 0.000 description 3
- 239000005060 rubber Substances 0.000 description 3
- 229920001862 ultra low molecular weight polyethylene Polymers 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 208000034423 Delivery Diseases 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- 238000007718 adhesive strength test Methods 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000011086 glassine Substances 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920005990 polystyrene resin Polymers 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000031070 response to heat Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000011115 styrene butadiene Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 229920001909 styrene-acrylic polymer Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
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- Laminated Bodies (AREA)
Abstract
Description
本発明は、易剥離性ラベルに関し、更に詳しくは、配達確認・受領証として剥離した剥離伝票等のカールを改善した易剥離性ラベルに関する。 The present invention relates to an easily peelable label, and more particularly, to an easily peelable label with improved curling such as a peel slip peeled off as a delivery confirmation / receipt.
最近、インターネットショッピングやホームショッピングなどが発達して、購入者は宅配便によって商品を受け取ることが多い。このように購入された商品だけでなくデパートや一般の商店で買い物をした商品についても、宅配便会社に委託して購入者に届けられることが多い。このような商品は、ある企業から他の企業へ、企業からある個人へ、個人から他の個人へ配送される。この際、商品の包装には、配送用情報を記録するための宅配便用の送り状ラベルが貼付される。 Recently, Internet shopping and home shopping have been developed, and purchasers often receive goods by courier. In addition to products purchased in this way, products purchased at department stores and general stores are often delivered to purchasers by entrusting them to a courier company. Such merchandise is delivered from one company to another, from the company to an individual, and from an individual to another individual. At this time, a package label for home delivery for recording delivery information is affixed to the product packaging.
このような宅配便用送り状ラベルは、一般に発送元の記載と受取人の住所、氏名及び商品名、規格、数量などの記録が記載され、受取人が受領したことを確認する引き取り証として剥離したラベルは配送会社に回収される。同様の記録は、剥離した後の残留ラベルは商品の包装にも残ることがあるが、最近は残らない形式もある。 Such courier invoice labels generally have a description of the shipper and a record of the recipient's address, name and product name, specifications, quantity, etc., and have been peeled off as a receipt to confirm receipt by the recipient. The label is collected by the shipping company. A similar record is that residual labels after peeling may remain on the product packaging, but not in recent years.
このような宅配便用送り状ラベルの構造は、一般的には、表面に印刷が可能な感熱紙層と感熱紙の裏面に一般的なアクリル系溶剤型の粘着剤を塗布した粘着層と、粘着層に貼り付けられ、表面がシリコーンコート処理された剥離紙層とからなる。感熱紙は熱によって印刷が行われ、剥離紙層はシリコーン層とグラシン紙からなり感熱紙の表面には差出人、受取人、商品の種類、費用、最終伝達場所、引受後の引き受け確認を記録するための部分が熱により印刷される。そして、感熱紙層は発送元用の回収ラベルと受取人用の残留ラベルからなることが一般的である。
しかし、従来の宅配便用送り状ラベルは、回収ラベルを粘着層から剥離すると背面や残留ラベルの表面に粘着層のべたつきが残ったり、それが汚れの原因になったりして回収ラベルや残留ラベルの管理に不便を来すことがある。
The structure of such a courier invoice label is generally composed of a heat-sensitive paper layer that can be printed on the front surface, a pressure-sensitive adhesive layer in which a general acrylic solvent-type pressure-sensitive adhesive is applied to the back surface of the heat-sensitive paper, and a pressure-sensitive adhesive layer. It consists of a release paper layer that is affixed to the layer and whose surface is silicon coated. The thermal paper is printed by heat, and the release paper layer consists of a silicone layer and glassine paper, and the sender, recipient, product type, cost, final transmission location, and acceptance confirmation after underwriting are recorded on the surface of the thermal paper. The portion for printing is printed by heat. In general, the thermal paper layer is composed of a collection label for the sender and a residual label for the recipient.
However, the conventional courier invoice label has a sticky adhesive layer on the back or the surface of the residual label when the recovery label is peeled off from the adhesive layer. It may be inconvenient for management.
剥離紙原紙として、原紙の表面にポリエチレンのラミネート層と剥離剤層を設けた剥離紙原紙の裏面に、ワックスエマルジョン、スチレンアクリル共重合体アンモニウム塩、スチレンブタジエンラテックスなどを塗工した剥離紙原紙が耐カール性に優れることが開示されている（特許文献１）。
また、紙基材の裏面に樹脂層を設けてなる配送伝票で、これら２層に接着部と疑似接着部を設けその境界線に切込みを設けて疑似接着部分をはぎ取り受領票とする使用法が開示されている（特許文献２）。
As the release paper base paper, there is a release paper base paper coated with a wax emulsion, styrene acrylic copolymer ammonium salt, styrene butadiene latex, etc. on the back side of the release paper base paper provided with a polyethylene laminate layer and a release agent layer on the surface of the base paper. It is disclosed that the curl resistance is excellent (Patent Document 1).
In addition, a delivery slip with a resin layer provided on the back side of a paper substrate is a method of using an adhesive part and a pseudo-adhesive part on these two layers, providing a cut at the boundary line, and removing the pseudo-adhesive part as a receipt. It is disclosed (Patent Document 2).
しかしながら、引用文献１の剥離紙原紙は原紙を静置した際に裏面からの水分吸収により生じるカール現象を改善するものであって、剥離した後のカール現象を改善するものではない。
また、引用文献２は疑似接着部を剥離して受領票とするもので、剥離後の受領票のカール現象は改善されない。
本発明は上記問題点を解消するもので、配送用送り状ラベルに限らず、易剥離性ラベルとして下地層から剥離されたときに印刷などで情報が記載されたラベルが剥離後にカールして情報が読み取りにくくなったり、嵩高になって管理上不便をきたすという課題を解決するものである。
However, the release paper base paper of Cited Document 1 improves the curling phenomenon caused by moisture absorption from the back surface when the base paper is left standing, and does not improve the curling phenomenon after peeling.
Moreover, the cited reference 2 peels off the pseudo-adhesive part to obtain a receipt, and the curl phenomenon of the receipt after peeling is not improved.
The present invention solves the above-mentioned problems, and is not limited to a delivery invoice label, but when peeled from an underlayer as an easily peelable label, the label on which information is described by printing or the like is curled after peeling and the information is displayed. This solves the problem that it is difficult to read or bulky, which causes inconvenience in management.
本発明者らは、上記課題を解決するため鋭意研究を行った結果、基材層と樹脂層との接着強度の高接着部分と非接着又は弱接着部分とを混在させることにより、剥離した基材層のカールを改善できることを見い出し、本発明を完成するに至った。 As a result of intensive studies to solve the above problems, the present inventors have found that a base peeled by mixing a high adhesion part and a non-adhesion or weak adhesion part of the adhesive strength between the base material layer and the resin layer. The inventors have found that the curl of the material layer can be improved, and have completed the present invention.
本発明によれば、下記の易剥離性ラベルが提供される。
１．基材層と樹脂層とを含む易剥離性ラベルであって、前記基材層と前記樹脂層との接着強度の強接着部分と非接着又は弱接着部分とが混在していることを特徴とする易剥離性ラベル。
２．強接着部分の接着強度が０．１〜０．３Ｎ／５０ｍｍである上記１．記載の易剥離性ラベル。
３．非接着又は弱接着部分の接着強度が０〜０．１Ｎ／５０ｍｍである上記１．又は２．に記載の易剥離性ラベル。
４．強接着部分と非接着又は弱接着部分との比率が３０：７０〜６０：４０である上記１．〜３．のいずれかに記載の易剥離性ラベル。
５．基材層が感熱紙又はインクジェット紙である上記１．〜４．のいずれかに記載の易剥離性ラベル。
６．樹脂層がポリエチレンである上記１．〜５．のいずれかに記載の易剥離性ラベル。
７．樹脂層の基材層との反対側に粘着剤層が設けられている上記１．〜６．のいずれかに記載の易剥離性ラベル。
According to the present invention, the following easily peelable label is provided.
1. An easily peelable label comprising a base material layer and a resin layer, characterized in that a strong adhesive portion and a non-adhesive or weak adhesive portion of the adhesive strength between the base material layer and the resin layer are mixed. Easy peelable label.
2. 1. The adhesive strength of the strongly bonded portion is 0.1 to 0.3 N / 50 mm. Easy peelable label as described.
3. 1. The adhesive strength of a non-adhered or weakly bonded part is 0 to 0.1 N / 50 mm. Or 2. Easy peelable label as described in 1.
4). 1. The ratio of the strongly bonded portion and the non-bonded or weakly bonded portion is 30:70 to 60:40. ~ 3. The easily peelable label according to any one of the above.
5. 1. The substrate layer is a thermal paper or inkjet paper. ~ 4. The easily peelable label according to any one of the above.
6). 1. The resin layer is polyethylene. ~ 5. The easily peelable label according to any one of the above.
7). 1. The pressure-sensitive adhesive layer is provided on the opposite side of the resin layer from the base material layer. ~ 6. The easily peelable label according to any one of the above.
本発明によれば、基材層を樹脂層からはぎ取ったときに発生するカールが改善され、カールにより情報が読み取れなくなったり、嵩張って管理上不便を来すといった問題が解消される。 According to the present invention, curling that occurs when the base material layer is peeled off from the resin layer is improved, and the problem that information cannot be read due to curling or is bulky and inconvenient for management is solved.
本発明の易剥離性ラベルは、基材層と樹脂層とからなる易剥離性ラベルであって、前記基材層と前記樹脂層との接着強度の強接着部分と非接着又は弱接着部分とが混在していることを特徴とする。 The easily peelable label of the present invention is an easily peelable label comprising a base material layer and a resin layer, and has a strong adhesive part and a non-adhesive or weak adhesive part of the adhesive strength between the base material layer and the resin layer. It is characterized by being mixed.
基材層としては、印刷性や筆記性を有する紙、合成樹脂等が挙げられるが、特に感熱紙やインクジェット紙が好ましい。
感熱紙は熱に反応して黒色など発色するように加工された印刷用紙で、印刷が簡単で、広く用いられている。本発明では日本製紙（株) 製、王子製紙（株) 製、三菱製紙（株) 製など、通常の市販の感熱紙が使用できる。代表的な感熱紙としては、日本製紙（株) 製のＦＩ紙、王子製紙（株) 製のＤＬ８２ＡＳなどが挙げられる。
インクジエット紙はインクジエット印刷がしやすく、インクの発色が良くなるように表面にインクがのりやすくインクの吸収が良く乾燥が速くなるように表面加工されたものである。一般に広く販売されているものが使用できる。
Examples of the base material layer include printable and writable paper, synthetic resin, and the like, and thermal paper and inkjet paper are particularly preferable.
Thermal paper is a printing paper that has been processed to develop a color such as black in response to heat, is easy to print, and is widely used. In the present invention, ordinary commercially available thermal papers such as those manufactured by Nippon Paper Industries Co., Ltd., Oji Paper Co., Ltd., and Mitsubishi Paper Industries Co., Ltd. can be used. Representative thermal paper includes FI paper manufactured by Nippon Paper Industries Co., Ltd., DL82AS manufactured by Oji Paper Co., Ltd., and the like.
Ink jet paper is surface-treated so that ink jet printing is easy and ink is easily deposited on the surface so that ink color development is good, ink absorption is good, and drying is fast. In general, those widely sold can be used.
樹脂層としては、ポリエチレン、ポリプロピレン等のポリオレフィン系樹脂、ポリスチレン樹脂、ポリエステル樹脂、ポリアミド樹脂等が挙げられるが、特にポリエチレン樹脂が好ましい。
樹脂層に用いられるポリエチレン樹脂は、包装紙して使用されるクラフト紙などに塗布された粘着剤への密着性を高め、配送品の到達時には感熱紙の剥離を可能にし、表面に印刷などで記載された感熱紙部分を受領書として利用させるものである。ポリエチレン樹脂としては、高密度ポリエチレン、中密度ポリエチレン、低密度ポリエチレン、超低密度ポリエチレン、その他変性ポリエチレンなど通常の一般的な市販の樹脂が使用できる。上記の粘着剤への密着性と感熱紙又はインクジエット紙の剥離性の点で中密度ポリエチレン、低密度ポリエチレン、超低密度ポリエチレンが好ましい。
Examples of the resin layer include polyolefin resins such as polyethylene and polypropylene, polystyrene resins, polyester resins, polyamide resins, and the like, and polyethylene resins are particularly preferable.
The polyethylene resin used in the resin layer improves adhesion to the adhesive applied to kraft paper used as wrapping paper, enables thermal paper to be peeled off when the product arrives, and allows printing on the surface. The described thermal paper part is used as a receipt. As the polyethylene resin, ordinary general commercially available resins such as high density polyethylene, medium density polyethylene, low density polyethylene, ultra low density polyethylene, and other modified polyethylene can be used. Medium density polyethylene, low density polyethylene, and ultra-low density polyethylene are preferable in terms of adhesion to the above-mentioned pressure-sensitive adhesive and peelability of thermal paper or ink jet paper.
樹脂層と基材層の積層は特に限られるものではないが、樹脂の溶融押出による押出ラミネートが便利である。樹脂の中では、中密度ポリエチレン、低密度ポリエチレン、超低密度ポリエチレン、変性ポリエチレンなどがラミネート加工性が良い。変性ポリエチレンなど、常温で粘着性の強いものはラミネート加工の作業性や加工品の取り扱いの点で難がある。樹脂層の厚さは、１５〜２５μｍが好ましい。 The lamination of the resin layer and the base material layer is not particularly limited, but extrusion lamination by resin melt extrusion is convenient. Among the resins, medium density polyethylene, low density polyethylene, ultra-low density polyethylene, modified polyethylene, and the like have good laminate processability. Those having strong adhesiveness at room temperature, such as modified polyethylene, are difficult in terms of laminating workability and handling of processed products. The thickness of the resin layer is preferably 15 to 25 μm.
基材層と樹脂層の接着強度の強接着部分と非接着又は弱接着部分を混在させる方法としては、いくつかの方法がある。
その代表的な方法としては、ロール状の基材をロールから繰り出しながら、樹脂をＴ−ダイ押出機から溶融押出を行い、樹脂を基材の裏面（例えば、感熱紙の場合は、感熱発色面の反対面）上にラミネートを行うものである。その際、溶融状態のフィルム状の樹脂を基材に接触させ圧着ロールで挟圧するが、この圧着ロールの片方または両方に凹凸の表面をつくり圧着強度の差を設けておいて、これを冷却しロール状の製品に接着強度の強接着部分と非接着又は弱接着部分を混在させる。ロール表面の凸部に当たる部分が強接着部分、凹部に当たる部分が非接着又は弱接着部分となる。
その他、接着補助剤や弱接着剤を分散して部分的に塗布する方法などがある。
表面に凹凸模様をつけたロールを用いる方法は、ロール面の凸部と凹部の面積比がコントロールしやすく便利である。
また、接着強度のコントロールは、樹脂の押出機内樹脂温度、ダイス温度、Ｔ−ダイ押出機の後で基材層と樹脂層を挟圧する圧着ロールの圧着強度、ロールの凹凸部分の高低差などで調節できる。
There are several methods for mixing the strongly bonded portion and the non-bonded or weakly bonded portion of the adhesive strength between the base material layer and the resin layer.
As a typical method, the resin is melt-extruded from a T-die extruder while a roll-shaped base material is fed from the roll, and the resin is subjected to the back surface of the base material (for example, in the case of thermal paper, a thermal coloring surface). On the opposite side). At that time, the film-shaped resin in a molten state is brought into contact with the base material and is sandwiched between the pressure rolls, and an uneven surface is formed on one or both sides of the pressure roll to provide a difference in the pressure strength. A roll-shaped product is mixed with a strongly bonded portion with high bonding strength and a non-bonded or weakly bonded portion. The portion that hits the convex portion of the roll surface becomes a strongly bonded portion, and the portion that hits the concave portion becomes a non-bonded or weakly bonded portion.
In addition, there is a method in which an adhesion assistant or a weak adhesive is dispersed and partially applied.
The method of using a roll having a concavo-convex pattern on the surface is convenient because the area ratio between the convex part and the concave part of the roll surface is easy to control.
The adhesive strength is controlled by the resin temperature in the resin extruder, the die temperature, the pressure strength of the pressure roll that presses the base material layer and the resin layer after the T-die extruder, and the height difference of the uneven portion of the roll. Can be adjusted.
基材層と樹脂層との強接着部分の接着強度が０．１〜０．３Ｎ／５０ｍｍであることが基材層の剥離後のカール抑制の点で好ましい。
一方、基材層と樹脂層との非接着又は弱接着部分の接着強度は０〜０．１Ｎ／５０ｍｍであることが基材層の剥離後のカール抑止の点で好ましい。
尚、強接着強度と非接着又は弱接着強度の範囲が０．１Ｎ／５０ｍｍで重複しているが、これらの範囲内で強接着強度と非接着又は弱接着強度となるように選択される。
It is preferable from the viewpoint of curling suppression after peeling of the base material layer that the adhesive strength of the strong adhesive portion between the base material layer and the resin layer is 0.1 to 0.3 N / 50 mm.
On the other hand, the adhesive strength of the non-adhered or weakly bonded portion between the base material layer and the resin layer is preferably 0 to 0.1 N / 50 mm from the viewpoint of curling suppression after peeling of the base material layer.
In addition, although the range of strong adhesive strength and non-adhesive or weak adhesive strength overlaps by 0.1 N / 50mm, it selects so that it may become strong adhesive strength and non-adhesive or weak adhesive strength in these ranges.
接着強度の測定は、ＪＩＳ Ｋ６８５４−１９７７「接着剤のはく離接着強さ試験法」で、但し、次のように一部変更して測定される１８０度剥離法による。５０×１５０ｍｍの短冊状のサンプルの基材層の面をクラフト紙で固定し、３００ｍｍ／分の剥離速度で測定する。
強接着部分と非接着又は弱接着部分との比率は、３０：７０〜６０：４０であることが好ましい。
The adhesive strength is measured according to JIS K6854-1977 "Adhesive Peeling Adhesive Strength Test Method", except that the 180 degree peeling method is used with some changes as follows. The surface of the base material layer of a strip-shaped sample of 50 × 150 mm is fixed with kraft paper, and measured at a peeling speed of 300 mm / min.
The ratio of the strongly bonded portion to the non-bonded or weakly bonded portion is preferably 30:70 to 60:40.
易剥離性ラベルを包装材等の被着体に残留させるために、樹脂層の基材層との反対側に粘着剤層を設けることができる。粘着剤層は通常の粘着剤を用いて塗布したり、押出ラミネート塗工によって設けることができる。粘着剤は、ゴム系粘着剤、アクリル系粘着剤、シリコーン系、ウレタン系粘着剤などが使用できるが、ゴム系は粘着力が安定し対象の被着体の選択性が少ない点で好ましい。また、アクリル系は耐熱性、耐候性に優れている。但し、被着体にはやや選択性がある。いずれも市販の粘着剤が使用できる。 In order to leave the easily peelable label on an adherend such as a packaging material, an adhesive layer can be provided on the opposite side of the resin layer from the base material layer. The pressure-sensitive adhesive layer can be applied using a normal pressure-sensitive adhesive, or can be provided by extrusion lamination coating. As the pressure-sensitive adhesive, rubber-based pressure-sensitive adhesives, acrylic pressure-sensitive adhesives, silicone-based, urethane-based pressure-sensitive adhesives, and the like can be used. Acrylic materials are excellent in heat resistance and weather resistance. However, the adherend has some selectivity. In either case, a commercially available adhesive can be used.
本発明の易剥離性ラベルは、宅配便などで使用される。配送先（受取人）などラベル表面に印刷し商品を包装した包装紙などの包装材の表面に使用される。粘着剤層は本発明のラベルを包装材表面に貼付するために便利である。従って、この場合は配達時に配送人が易剥離性ラベルの基材層を剥がし取り配送確認の確認証として使用するとともに、一部を受取人の包装材に残留させることができる。この場合、粘着剤の被着体への接着強度は、配送確認証として剥離して回収する際に、残留ラベルを被着体（包装紙）に残留させるためには、易剥離ラベルの基材層の樹脂層への接着強度よりも高いほうが好ましい。 The easily peelable label of the present invention is used for home delivery and the like. Used on the surface of packaging materials such as wrapping paper that is printed on the label surface, such as a delivery destination (recipient), and wraps the product. The pressure-sensitive adhesive layer is convenient for applying the label of the present invention to the surface of the packaging material. Therefore, in this case, the delivery person can peel off the base layer of the easily peelable label at the time of delivery and use it as a confirmation of delivery confirmation, and a part can be left on the recipient's packaging material. In this case, the adhesive strength of the pressure-sensitive adhesive to the adherend is determined so that the residual label remains on the adherend (wrapping paper) when it is peeled off and collected as a delivery confirmation certificate. It is preferable that the adhesive strength of the layer to the resin layer is higher.
本発明の易剥離性ラベルは、基材層と樹脂層の他に、必要に応じ、更に基材層や樹脂層等を含んでもよく、また、粘着剤層には離型層を積層し、包装材に貼着する際に離型層を剥離除去し粘着剤層を露出させて貼着することができる。 In addition to the base material layer and the resin layer, the easily peelable label of the present invention may further contain a base material layer, a resin layer, etc., if necessary, and a release layer is laminated on the adhesive layer, When sticking to the packaging material, the release layer can be peeled off and the pressure-sensitive adhesive layer can be exposed for sticking.
以下、実施例を挙げ本発明を更に説明するが、本発明は何ら実施例により制限されるものではない。
易剥離性ラベルの作成：
ロール状の感熱紙に溶融押出法によってポリエチレン樹脂をラミネートし、凹凸のある圧着ロールで挟圧してロール状の易剥離性ラベルを作成した。
接着強度の測定：
１．０ｃｍ×１．０ｃｍ角の市松模様の凹凸のついたゴム製ロール、その一部を幅１０ｃｍの流れ方向の深さが６００μｍの溝をつけ凹面に当たる部分から非接着又は弱接着強度を測るサンプルを切り出し、凸部に当たる部分から強接着強度を測るサンプルを切り出した。
ラベルのカールの評価：
包装紙に相当するクラフト紙の表面に粘着剤を塗布し、５０ｍｍ×１５０ｍｍに裁断した易剥離性ラベル（感熱紙にポリエチレン樹脂をラミネート）を圧着した後、ラミネートしたポリエチレン樹脂層を粘着剤層とともにクラフト紙表面に残して、表面の感熱紙だけを人の手で剥離した。剥離速度は通常の配送人がラベルを剥離する程度の速度で剥離した。環境温度は２５℃、相対湿度は４５％程度とした。
剥離後の感熱紙だけになったラベルを水平な木製のテーブルの上において、剥離後の感熱紙の反りの程度を判定した。側面からみると剥離したラベルは円形または楕円形となり、側面で観察した円形または楕円形の最高部のテーブル面からの高さで判定した。高さが高いほどカールが改善されていると判定した。
EXAMPLES Hereinafter, although an Example is given and this invention is demonstrated further, this invention is not restrict | limited by an Example at all.
Easy peelable label creation:
A roll-shaped thermal paper was laminated with a polyethylene resin by a melt extrusion method, and a roll-shaped easily peelable label was prepared by pressing with a pressurizing roll having unevenness.
Measurement of adhesive strength:
A rubber roll with a checkered pattern of 1.0 cm x 1.0 cm square, a part of which is 10 cm wide and has a depth of 600 μm in the flow direction, and measures the non-adhesive or weak adhesive strength from the part that hits the concave surface. A sample was cut out, and a sample for measuring the strong adhesive strength was cut out from the portion hitting the convex portion.
Label curl rating:
After applying pressure sensitive adhesive to the surface of kraft paper, which is equivalent to wrapping paper, pressing an easy-release label (polyethylene resin laminated to thermal paper) cut to 50 mm x 150 mm, and then laminating the laminated polyethylene resin layer together with the pressure-sensitive adhesive layer Only the thermal paper on the surface was peeled off by hand, leaving it on the surface of the kraft paper. The peeling speed was such that the normal delivery person peeled off the label. The ambient temperature was 25 ° C. and the relative humidity was about 45%.
The label which became only the thermal paper after peeling was determined on the horizontal wooden table, and the degree of curvature of the thermal paper after peeling was judged. When viewed from the side, the peeled label became a circle or an ellipse, and the determination was made based on the height from the highest table surface of the circle or ellipse observed on the side. It was determined that the higher the height, the better the curl.
実施例１〜５
大王製紙株式会社製ロール状感熱紙ＤＬ８２ＡＳ（目付：４０ｇ又は６０ｇ、幅：４００ｍｍ）に日本ユニカー株式会社製低密度ポリエチレンＮＵＣ−８００９をダイス温度２８０℃で厚さ１８μｍで押し出し、１．０ｃｍ×１．０ｃｍ角の凹凸のついたゴム製の圧着ロール（凹部の深さ６００μｍ）で挟圧して、表１に示すロール状の易剥離性ラベルを作成した。このロール状ラベルから中央部で流れ方向に平行に５０ｍｍ×１５０ｍｍのラベルを切り出してサンプルラベルを作成した。このサンプルラベルを前記のカール改善の評価方法でカールの程度を測定した。結果は表１に示した通りであった。
尚、上記カールの評価方法は実際に配達人がラベルを剥離する場合よりも厳しい条件での評価であり、通常配達人がラベルを剥離する条件で剥離した場合は殆どフラット（実質的にカールなし）であった。
Examples 1-5
Nippon Unicar Co., Ltd. low density polyethylene NUC-8809 was extruded at a die temperature of 280 ° C. at a thickness of 18 μm into a roll-shaped thermal paper DL82AS (weight: 40 g or 60 g, width: 400 mm) manufactured by Daio Paper Co., Ltd., 1.0 cm × 1 A roll-shaped easily peelable label shown in Table 1 was prepared by pressing with a rubber pressure-bonding roll with a 0.0 cm square unevenness (recess depth 600 μm). A sample label was prepared by cutting out a 50 mm × 150 mm label from the roll-shaped label at the center in parallel with the flow direction. The degree of curling of this sample label was measured by the evaluation method for curl improvement. The results were as shown in Table 1.
The curl evaluation method is an evaluation under stricter conditions than when the delivery person actually peels off the label. When the delivery person usually peels off the label, the curl is almost flat (substantially no curl). )Met.
比較例１
圧着ロールとして凹凸のない金属製の平坦なロールを用いた他は実施例１と同様にしてロール状の易剥離性ラベルを作成し、評価用のサンプルラベルを切り出し、カールの程度を測定した。結果を表１に示した。
Comparative Example 1
A roll-shaped easily peelable label was prepared in the same manner as in Example 1 except that a flat metal roll having no irregularities was used as the pressure-bonding roll, a sample label for evaluation was cut out, and the degree of curling was measured. The results are shown in Table 1.
以上のとおり、本発明の易剥離性ラベルは、下地層から剥離されたときに生じるラベルのカールが改善されるので、カールにより情報が読み取りにくくなったり、嵩高となり管理上不便をきたすといったトラブルが防止される。 As described above, the easily peelable label of the present invention improves the curl of the label that occurs when it is peeled off from the underlayer, so that it is difficult to read information due to the curl, and it is bulky and inconvenient for management. Is prevented.
Claims (7)
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| KR102062788B1 (en) | 2018-08-27 | 2020-01-06 | 김영주 | Waybill For Door To Door Delivery Provided With A Sticker |
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