JP3207908U - Adhesive material - Google Patents

Adhesive material Download PDF

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JP3207908U
JP3207908U JP2016004712U JP2016004712U JP3207908U JP 3207908 U JP3207908 U JP 3207908U JP 2016004712 U JP2016004712 U JP 2016004712U JP 2016004712 U JP2016004712 U JP 2016004712U JP 3207908 U JP3207908 U JP 3207908U
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adhesive
support layer
patch
layer
self
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真広 南波
真広 南波
藤澤 博充
博充 藤澤
俊樹 富谷
俊樹 富谷
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Nichiban Co Ltd
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Abstract

【課題】本考案は、自背面粘着力が良好な貼付材を提供することを目的とする。【解決手段】支持体層に粘着剤層が積層されている貼付材において、支持体層を貫通する複数の孔があり、重ね貼りをして支持体側から指で押したときに、支持体に形成された孔を通して重ね貼りをした上側の貼付材の粘着剤層と、下側の貼付材の粘着剤同士が接触することで、自背面粘着力が良好となる貼付材を提供できる。【選択図】図1An object of the present invention is to provide a sticking material having good self-back-side adhesion. In a patch material in which an adhesive layer is laminated on a support layer, the support layer has a plurality of holes penetrating the support layer. The adhesive layer of the upper adhesive material that has been laminated and pasted through the formed holes and the adhesive agent of the lower adhesive material are in contact with each other, thereby providing an adhesive material with good self-rear adhesive strength. [Selection] Figure 1

Description

本考案は、人に貼付するための貼付材に関し、重ね貼り性が良好であることが必要とされる貼付材、特に絆創膏やサージカルテープ用途の貼付材に関する。   The present invention relates to an adhesive material to be applied to a person, and more particularly to an adhesive material that needs to have good overlayability, particularly an adhesive material for adhesive bandages and surgical tape.

皮膚にできた傷などの患部に貼り付けて使用する絆創膏や、ガーゼやパッドの固定や、カテーテル・チューブの固定に用いられるサージカルテープなどの貼付材は、その通気性、透湿性等を付与するために、支持体層を布帛にすることや、小さな穴を設けたフィルムとしたものが用いられてきた。不織布を支持体とした貼付材に穿孔を施したものも提案されてきた(特許文献1、特許文献2)。   Adhesives such as adhesive bandages that are applied to affected areas such as wounds on the skin, gauze and pads, and surgical tapes that are used to fix catheters and tubes are given their breathability and moisture permeability. In addition, the support layer has been used as a fabric or a film having small holes. The thing which perforated the sticking material which used the nonwoven fabric as the support body has also been proposed (patent document 1, patent document 2).

一方、絆創膏やサージカルテープの粘着力は、皮膚に貼り付けている間は十分に強いことが望まれるが、指や腕などを周回して貼付したときに、重ね貼りの部分から剥がれるケースが散見されていた。この問題の解決法としては、貼付材の粘着力を強くするか、貼付材の重ね貼り部分の接触面積を大きくして粘着力を補う必要があった。しかし、強い粘着力を持つ絆創膏やサージカルテープは、剥離時に皮膚を損傷することがあったり、激しい痛みを生じたりする問題があった。また、接触面積を大きくするために貼付材を大きくすると、取り扱い性の点で問題があった。   On the other hand, the adhesive strength of adhesive bandages and surgical tape is desired to be strong enough while it is applied to the skin, but there are some cases where it peels off from the overlapped part when it is applied around a finger or arm. It was. As a solution to this problem, it is necessary to increase the adhesive strength of the adhesive material or to increase the contact area of the overlapping portion of the adhesive material to compensate for the adhesive force. However, bandages and surgical tapes with strong adhesive strength have problems that sometimes damage the skin when peeled off or cause severe pain. Moreover, when the patch was enlarged to increase the contact area, there was a problem in terms of handleability.

特開2002−360625号公報JP 2002-360625 A 特開2002−360625号公報JP 2002-360625 A

本考案は、指や腕に巻きつけた際の自背面粘着力(重ね貼り性)が十分に良好な貼付材を提供することにある。 An object of the present invention is to provide an adhesive material that has sufficiently good self-back adhesive strength (overlap adhesiveness) when wound around a finger or an arm.

本考案者らは上記課題に対して鋭意研究を行なった結果、支持体層に粘着剤層が積層された貼付材において、支持体層に複数の孔を形成する一方、粘着剤層は支持体に形成された孔を塞いだ状態である構成を採用することにより、自背面粘着力が良好な貼付材を提供し得ることを見出し、本考案を完成させた。   As a result of diligent research on the above problems, the inventors of the present invention have formed a plurality of holes in the support layer in the adhesive layer in which the adhesive layer is laminated on the support layer, while the adhesive layer is a support. The present invention has been completed by finding that an adhesive material having good self-back surface adhesiveness can be provided by adopting a configuration in which the hole formed in is closed.

本考案は、下記の構成であり、これにより本考案の上記課題が解決される。
[1]
支持体層の片面に粘着剤層が積層された貼付材であって、
貼付材は、上記支持体層の厚さ方向に貫通する孔が複数存在し、
粘着剤層は、該支持体層の貫通する孔を塞いだ状態であり、
粘着剤層を覆うように任意の剥離シートが積層されている
貼付材。
[2]
支持体層の片面に粘着剤層が積層された貼付材であって、
貼付材は、支持体層の厚さ方向に貫通する孔が複数存在し、
粘着剤層は、支持体層の孔を塞ぎ、支持体層の略全面に積層され、
自背面粘着力が、0.5〜5N/12mmであり、
過度圧着後自背面粘着力が、自背面粘着力の1.1〜10倍
である貼付材。
[3]
前記支持体層を貫通する孔が皮膚貼付材の長辺方向および/または幅方向に複数形成されており、孔の大きさが0.5〜2mmである[1]または[2]に記載の貼付材。
[4]
支持体層が不織布、編布から選ばれる1種以上である[1]または[2]に記載の貼付材
[5]
貼付材がシート状である[1]または[2]に記載の貼付材。
[6]
前記支持体層を貫通する孔の大きさが0.5〜2mmであり、
自背面粘着力が1.0〜5.0N/12mmであり、
過度圧着後自背面粘着力が2.0〜10.0N/12mmであり、
過度圧着後自背面粘着力の測定値が、軽度圧着後自背面粘着力の測定値の1.1〜10倍である
[1]に記載のサージカルテープ又は絆創膏用途で用いられる貼付材。
The present invention has the following configuration, which solves the above-described problems of the present invention.
[1]
It is a patch in which an adhesive layer is laminated on one side of a support layer,
The patch has a plurality of holes penetrating in the thickness direction of the support layer,
The pressure-sensitive adhesive layer is in a state of closing a hole penetrating the support layer,
A patch in which an arbitrary release sheet is laminated so as to cover the pressure-sensitive adhesive layer.
[2]
It is a patch in which an adhesive layer is laminated on one side of a support layer,
The patch has a plurality of holes penetrating in the thickness direction of the support layer,
The pressure-sensitive adhesive layer closes the holes of the support layer, and is laminated on substantially the entire surface of the support layer.
The self-adhesive strength is 0.5 to 5 N / 12 mm,
A sticking material having a self-adhesive strength of 1.1 to 10 times that of the self-adhesive strength after excessive pressure bonding.
[3]
[1] or [2], wherein a plurality of holes penetrating the support layer are formed in the long side direction and / or the width direction of the skin patch, and the size of the hole is 0.5 to 2 mm. Patch material.
[4]
The patch according to [1] or [2], wherein the support layer is at least one selected from a nonwoven fabric and a knitted fabric
[5]
The patch according to [1] or [2], wherein the patch is a sheet.
[6]
The size of the hole penetrating the support layer is 0.5 to 2 mm;
The self-adhesive strength is 1.0 to 5.0 N / 12 mm,
Self-rear adhesive strength after over-compression is 2.0 to 10.0 N / 12mm,
The measured value of the self-adhesive strength after excessive pressure bonding is 1.1 to 10 times the measured value of the self-adhesive strength after slight pressure bonding.
The adhesive material used for the surgical tape or adhesive bandage according to [1].

本考案は、指や腕等に巻いて重ね貼りをし、重ね貼りをした箇所を、指でさらに支持体層を押すことで、重ね貼りした下側の貼付材の粘着剤と、重ね貼りした上側の粘着剤とが接着することで、剥がれに対する強い抵抗性が生じ、重ね貼りした箇所が剥がれにくくなる貼付材を提供し得ることができる。
したがって、皮膚への粘着性を不必要に強いものにする必要がなく、貼付材を大きなものにする必要もないため、皮膚に優しい貼付材を提供することができ、サージカルテープ又は絆創膏用途で用いられる貼付材として好適に用いることができる。
In this invention, it was rolled around a finger or arm and overlaid, and the overlapped portion was further pasted with the adhesive of the lower pasting material overlaid by pressing the support layer with the finger. By adhering to the upper pressure-sensitive adhesive, it is possible to provide a patch material in which strong resistance to peeling occurs and the overlapped portion is hardly peeled off.
Therefore, since it is not necessary to make the adhesiveness to the skin unnecessarily strong and it is not necessary to make the patch large, it is possible to provide a skin-friendly patch and it is used for surgical tape or adhesive bandages. It can be suitably used as a patch.

本考案の実施形態に係る貼付材の断面図の一例である。It is an example of a sectional view of a patch according to an embodiment of the present invention. 本考案の実施形態に係る貼付材の平面図の一例である。It is an example of the top view of the patch which concerns on embodiment of this invention.

以下、考案の実施形態について説明する。
<支持体層>
本考案の貼付材で用いられる支持体層としては、適度な弾力性や柔軟性があり、貼付材を指や腕に巻いて重ね貼りを行ったときに、支持体層側から指で押し込むと容易に変形する材料であることが必要であり、フィルム、不織布、織布、編布、発泡体が好ましい。
支持体層がフィルムの場合は、ポリエチレンフィルムやポリウレタンフィルムが好ましく、厚さは20〜200μmであることが好ましい。フィルムの表面は、凹凸があるものが好ましく、サンドブラスト処理や、エンボスパターンを有するものとすることができる。
支持体層が不織布の場合は、ポリプロピレン、ポリウレタン、ポリエチレンやそのブレンドからなるものが好ましく、厚さは50〜400μmであることが好ましい。
支持体層が織布や編布の場合は、綿糸、ウレタン糸などで形成されたものが好ましく、厚さは100〜600μmであることが好ましい。
支持体層が発泡体の場合は、ポリエチレンやウレタンであることが好ましく、厚さは200μm〜2000μmであることが好ましい。
また、粘着剤の支持体側への染み出し(裏抜け)を防止する目的で、支持体層の厚さは、粘着剤層の厚さの2倍以上、好ましくは4倍以上あることが好ましく、上限は好ましくは20倍以下、より好ましくは10倍以下である。
Hereinafter, embodiments of the invention will be described.
<Support layer>
The support layer used in the adhesive material of the present invention has moderate elasticity and flexibility, and when the adhesive material is wrapped around a finger or arm and stuck on it, it is pushed from the support material layer side with the finger. The material needs to be easily deformable, and films, nonwoven fabrics, woven fabrics, knitted fabrics, and foams are preferable.
When the support layer is a film, a polyethylene film or a polyurethane film is preferable, and the thickness is preferably 20 to 200 μm. The film surface preferably has irregularities, and can have a sandblasting process or an embossed pattern.
When a support body layer is a nonwoven fabric, what consists of a polypropylene, a polyurethane, polyethylene, and its blend is preferable, and it is preferable that thickness is 50-400 micrometers.
When the support layer is a woven fabric or a knitted fabric, those formed of cotton yarn, urethane yarn or the like are preferable, and the thickness is preferably 100 to 600 μm.
When a support body layer is a foam, it is preferable that it is polyethylene and urethane, and it is preferable that thickness is 200 micrometers-2000 micrometers.
In addition, for the purpose of preventing the pressure-sensitive adhesive from bleeding out (back through), the thickness of the support layer is preferably at least twice the thickness of the pressure-sensitive adhesive layer, preferably at least four times, The upper limit is preferably 20 times or less, more preferably 10 times or less.

<支持体層に形成される孔>
支持体層に形成される孔は、貼付材に透湿性を付与するだけではなく、自背面の粘着力を向上させるために本考案の必須の要件であり、孔は支持体層の厚み方向に完全に貫通している貫通孔である。本考案の貼付材は、孔の大きさや個数によって、自背面粘着力に影響を大きく与える。貼付材の重ね貼りの力を向上させるためには、孔は大きいほど好ましいが、あまり大きすぎると粘着剤層が支持体層を通して裏抜けしてしまい、また、支持体層に形成された孔を通して、容易に指が粘着剤層に触れてしまうため好ましくない。また、孔が小さすぎると、重ね貼り後に、指で支持体層を強く押した際にも粘着剤同士が接着することがなくなるため、本考案の効果が得られない。よって、支持体層に形成される孔の大きさは0.5〜2mmが好ましく、0.5〜1mmであることが特に好ましい。孔は略円形、四角形、六角形など自由な形状とすることができる。孔の大きさは、円であれば直径、四角形であれば対角線など、考えられる最長の長さを孔の大きさとし、少なくとも3点以上の平均値を求めて決定する。
孔は支持体層全体に、長辺方向、短辺方向などに均一または不均一な間隔で形成されても良く、重ね貼りが予定される箇所およびその周辺部分にのみ孔が形成されていても良い。
<Hole formed in support layer>
The hole formed in the support layer is an essential requirement of the present invention not only to give moisture permeability to the patch, but also to improve the adhesive strength of the back surface, and the hole is in the thickness direction of the support layer. It is a through hole that penetrates completely. The adhesive material of the present invention greatly affects the self-back surface adhesive force depending on the size and number of holes. In order to improve the force of layering the patch, the larger the hole, the better. However, if the hole is too large, the pressure-sensitive adhesive layer penetrates through the support layer, and through the hole formed in the support layer. This is not preferable because the finger easily touches the adhesive layer. On the other hand, if the hole is too small, the pressure-sensitive adhesive will not adhere to each other even when the support layer is strongly pressed with a finger after the layering, and the effect of the present invention cannot be obtained. Therefore, the size of the holes formed in the support layer is preferably 0.5 to 2 mm, and particularly preferably 0.5 to 1 mm. The hole can be a free shape such as a substantially circular shape, a square shape, or a hexagonal shape. The size of the hole is determined by obtaining an average value of at least three or more points, assuming the longest possible length, such as a diameter for a circle and a diagonal line for a quadrangle, as the size of the hole.
The holes may be formed in the entire support layer at uniform or non-uniform intervals in the long side direction, the short side direction, etc. good.

支持体層に孔を形成する方法は従来の方法で良い。例えば、支持体層側又は粘着剤層形成側から針などの先が尖ったもので穿孔する方法、レーザーによる穿孔、熱溶融による穿孔が挙げられる。織布や編布は、織り方、編み方を工夫することによって、支持体層に支持体層の厚みに方向に完全に貫通している孔を形成することができる。   The method for forming the holes in the support layer may be a conventional method. For example, a method of drilling with a pointed tip such as a needle from the support layer side or the pressure-sensitive adhesive layer forming side, laser drilling, and thermal melting drilling may be mentioned. In the woven fabric and the knitted fabric, holes that penetrate completely in the direction of the thickness of the support layer can be formed in the support layer by devising the weaving method and the knitting method.

<支持体層の着色>
貼付材に着色する場合、支持体層が、剥離シート上にある粘着剤層と一体的に貼り合わせた状態では支持体層は伸縮しないので、該支持体層の背面に印刷を行うことは容易にできる。印刷はグラビア印刷など、従来行われている方法が採用できる。印刷インクは0.1〜20g/m2 の範囲で支持体の適正に応じて使用することが好ましい。例えば不織布や編布などの布帛の場合は、1g/m2 未満であると繊維間に吸収されて着色不充分となり、20g/m2 を超えるとインクが多すぎて皮膜に亀裂を生じたりする。
<Coloring of support layer>
When coloring the patch, the support layer does not expand or contract when the support layer is integrally bonded to the adhesive layer on the release sheet, so it is easy to print on the back of the support layer. Can be. Printing can be performed by a conventional method such as gravure printing. The printing ink is preferably used in the range of 0.1 to 20 g / m @ 2 depending on the suitability of the support. For example, in the case of a fabric such as a non-woven fabric or a knitted fabric, if it is less than 1 g / m @ 2, it is absorbed between the fibers and coloring is insufficient, and if it exceeds 20 g / m @ 2, the ink is too much and the film is cracked.

<粘着剤層>
粘着剤層は、皮膚への粘着力が適度で、刺激性が低いことを考慮して適宜決定される。
例えば、粘着剤層としては、ゴム系やアクリル系粘着剤が好ましく、通常は支持体層の略全面に積層されるように形成することが好ましいが、パターン状に形成しても良い。
粘着剤層の皮膚面に対する粘着力は、好ましくは0.1〜2.0N/12mm、より好ましくは0.2〜0.8N/12mmの範囲であり、皮膚刺激の観点から、それほど皮膚への粘着力は高くなくても良い。
粘着剤は、適度な凝集性が必要であることが多く、貼付材の保持力は、0.05〜0.6mmの範囲となることが好ましい。0.6mmより大きくなると、粘着剤が柔らかすぎて、粘着剤が支持体側に染み出し(裏抜け)が生じることがある。また、0.05より小さいと、粘着剤が硬すぎて、指で支持体を押し込んだときに、適度な粘着剤の変形が生じずに、自背面粘着力の向上効果が認めらないことがある。
<Adhesive layer>
The pressure-sensitive adhesive layer is appropriately determined considering that the adhesive force to the skin is moderate and the irritation is low.
For example, the pressure-sensitive adhesive layer is preferably a rubber-based or acrylic pressure-sensitive adhesive. Usually, the pressure-sensitive adhesive layer is preferably formed so as to be laminated on substantially the entire surface of the support layer, but may be formed in a pattern.
The adhesive strength of the adhesive layer to the skin surface is preferably in the range of 0.1 to 2.0 N / 12 mm, more preferably 0.2 to 0.8 N / 12 mm. The adhesive strength may not be high.
The pressure-sensitive adhesive often needs moderate cohesiveness, and the holding power of the patch is preferably in the range of 0.05 to 0.6 mm. When it is larger than 0.6 mm, the pressure-sensitive adhesive is too soft, and the pressure-sensitive adhesive may ooze out (back through) to the support side. On the other hand, if it is less than 0.05, the pressure-sensitive adhesive is too hard, and when the support is pushed in with a finger, an appropriate deformation of the pressure-sensitive adhesive does not occur, and the effect of improving the self-back surface adhesive strength is not recognized. is there.

該粘着剤層は、支持体層を貫通する孔を塞ぐように積層するために、粘着剤層溶液を剥離紙に塗布乾燥して形成した粘着剤層を、孔が開いた支持体層の片面に貼り合わせる転写法で形成することが好ましい。伸縮性の支持体層は、柔軟性・伸縮性・耐熱性を考慮すると直接粘着剤を塗布することが困難であることが多い。また、支持体に直接粘着剤層を形成する塗工を行うと、粘着剤が支持体層に含浸され、支持体の粘着剤層とは反対の面(裏面)にまで粘着剤層が現れてきてしまうことがあるため、支持体をより厚くするなどの工夫が必要となる。なお、“支持体層の貫通する孔を塞いだ状態“とは、必ずしも支持体に形成された孔のすべてを粘着剤で塞いでいる必要はないが、好ましくは80%以上の支持体層の貫通する孔を粘着剤で塞いでいる状態が好ましい。   In order to laminate the pressure-sensitive adhesive layer so as to close the holes penetrating the support layer, the pressure-sensitive adhesive layer formed by applying and drying the pressure-sensitive adhesive layer solution on the release paper is formed on one side of the support layer having holes. It is preferable to form the film by a transfer method to be attached to the substrate. In many cases, it is difficult to directly apply a pressure-sensitive adhesive to a stretchable support layer in consideration of flexibility, stretchability, and heat resistance. Moreover, when the coating which directly forms a pressure-sensitive adhesive layer on the support is performed, the pressure-sensitive adhesive is impregnated in the support layer, and the pressure-sensitive adhesive layer appears on the surface (back surface) opposite to the pressure-sensitive adhesive layer of the support. Therefore, it is necessary to devise such as making the support thicker. The “state in which the holes penetrating the support layer are blocked” does not necessarily require that all of the holes formed in the support are closed with an adhesive, but preferably 80% or more of the support layer. A state in which the through-hole is closed with an adhesive is preferable.

<貼付材の形態及び剥離シート>
本考案の貼付材は、シート状、ロール状のいずれかの形態を採用することができるが、ロール状の場合、巻きしまりの力が強すぎると、ロールの芯に近い部分が重ね貼りを行った状態と同じ状態になるため、ロールからの引きだしが困難になることが多い。よって、本考案の貼付材は、シート状とすることが好ましい。シート状の場合は、皮膚面への貼付の直前までは粘着剤層の露出面を、剥離シートにて被覆、保護することが好ましい。この場合、貼付材は、支持体層、粘着剤層及び剥離シート層をこの順に積層した構造を有している。剥離シート層としては、使用時に粘着剤層から容易に剥離されるものであれば特に限定されない。
<Form of adhesive material and release sheet>
The patch material of the present invention can adopt either a sheet shape or a roll shape, but in the case of a roll shape, if the winding force is too strong, the portion close to the core of the roll is overlaid. In many cases, it is difficult to pull out from the roll. Therefore, the patch of the present invention is preferably a sheet. In the case of a sheet form, it is preferable to cover and protect the exposed surface of the pressure-sensitive adhesive layer with a release sheet until immediately before application to the skin surface. In this case, the patch has a structure in which a support layer, an adhesive layer, and a release sheet layer are laminated in this order. The release sheet layer is not particularly limited as long as it is easily peeled off from the pressure-sensitive adhesive layer at the time of use.

<貼付材の使用方法>
貼付材の使用方法としては、剥離シート層を剥離して、粘着剤層の面を露出させ、指や腕に巻きつける方法や、腕に器具等を固定するために、何枚もの貼付材を重ねるようにするようにし、目的箇所に貼付材を貼付して、支持体層側から粘着剤層側に指で押し込んで貼付を完了する。
本考案の貼付材における過度に圧着した後の自背面粘着力が向上する機序としては、貼付材を皮膚に重ね貼りした際に、重ね貼りした箇所の支持体層を指で押し込むことで、貼付材の皮膚に接着している粘着剤層の一部と、その上に重ね貼りした貼付材の粘着剤同士がくっつき、その箇所において凝集力が生じることで自背面粘着力が向上していることが考えられる。
本考案の貼付材を、通常の力で指や腕に巻きつけたり、重ね貼りしたりする際の力は、人によってばらつきがあるが、例えば、0.05kg〜1kgの荷重のローラーで貼付材の重ね貼り部分を圧着した力と想定することができる。0.05kgの荷重のローラーによる貼付材の重ね貼り部分を剥がす力を軽度圧着後自背面粘着力と定義し、1kgの荷重のローラーによる貼付材の重ね貼り部分を剥がす力を自背面粘着力と定義する。また、5kgの荷重のローラーによる貼付材の重ね貼り部分を剥がす力を、過度圧着後自背面粘着力と定義する。過度圧着後自背面粘着力は、指で強く支持体側から押し込んだときの自背面粘着力(指による過度圧着後自背面粘着力)よりもやや弱い程度の値であることが判明している。粘着剤の種類等によりこれらの測定値は異なってくるが、皮膚への物理刺激を考慮すると、過度圧着後自背面粘着力は、軽度圧着後自背面粘着力の1.1〜10倍が好ましく、2.0〜6.0倍がより好ましい。また、過度圧着後自背面粘着力は自背面粘着力の1.1〜10倍が好ましく、1.1〜2.5倍がより好ましく、1.1〜1.5倍がさらに好ましい。これよりも比率が高くなると、皮膚への接着力が強すぎて、貼付材を剥がすときに大きな痛みを生じることがある。
本考案の貼付材は、貼付材を皮膚に貼付後、自背面粘着力が経時的に向上することがあるが、例えば手の指の関節に貼付材を貼付した場合、指を曲げることで貼付材が変形し、重ね貼りした貼付材の粘着剤同士がより密接に接着する現象が起きているためと考えられる。
本考案において、重ね貼りをした上側の貼付材の粘着剤が下側の貼付材の粘着剤と接着して自背面粘着力が向上する現象が起きている限りにおいて、本考案の範囲内である。
一方、穿孔が行われていても貫通孔が形成されていない不織布を支持体層とした貼付材では、このような効果は認められないため、本考案の範囲外である。また、後述する軽度圧着後自背面粘着力の試験で、貼付材を0.05kg荷重のローラーで加圧した後、粘着剤の支持体側への染み出し(裏抜け)が認められる場合も、本考案の範囲外である。
<How to use the patch>
The method of using the patch is to peel off the release sheet layer, expose the surface of the adhesive layer and wrap it around your fingers or arms, or use a number of patches to fix the device on the arm. It is made to overlap, a sticking material is stuck on the target location, and it sticks with a finger | toe to the adhesive layer side from a support body layer side, and sticking is completed.
As a mechanism for improving the self-rear adhesive strength after excessive pressure bonding in the adhesive material of the present invention, when the adhesive material is overlaid on the skin, by pressing the support layer of the overlapped portion with a finger, A part of the adhesive layer that adheres to the skin of the patch and the adhesive of the patch that has been overlaid on top of each other adhere to each other. It is possible.
The force when the adhesive material of the present invention is wound around a finger or arm with a normal force or overlaid varies depending on the person. For example, the force of the adhesive material with a roller of 0.05 kg to 1 kg is used. It can be assumed to be a force that crimps the overlapped portion. The force to peel the overlapping part of the adhesive material with a roller with a load of 0.05 kg is defined as the self-adhesive strength after light pressure bonding, and the force to peel the overlapping part of the adhesive material with a roller with a load of 1 kg is defined as the self-adhesive force Define. Moreover, the force which peels off the overlapping pasting part of the sticking material with the roller of a 5 kg load is defined as a self-back surface adhesive force after excessive press-fit. It has been found that the self-rear surface adhesive strength after over-compression is slightly weaker than the self-rear surface adhesive strength (self-rear surface adhesive strength after over-compression with a finger) when strongly pressed from the support side with a finger. Although these measured values vary depending on the type of adhesive, etc., considering the physical irritation to the skin, the self-adhesive strength after over-compression is preferably 1.1 to 10 times the self-adhesive strength after light pressure bonding. 2.0 to 6.0 times is more preferable. Further, the self-back surface adhesive strength after excessive pressure bonding is preferably 1.1 to 10 times, more preferably 1.1 to 2.5 times, and even more preferably 1.1 to 1.5 times the self-back surface adhesive strength. If the ratio is higher than this, the adhesive strength to the skin is too strong, which may cause great pain when the patch is peeled off.
The adhesive material of the present invention may improve its self-adhesive strength over time after the adhesive material is applied to the skin. For example, when the adhesive material is applied to the finger joint of a hand, it is applied by bending the finger. This is considered to be due to a phenomenon in which the adhesive deformed due to the deformation of the material and the adhesives of the pasted adhesives adhered more closely.
In the present invention, as long as there is a phenomenon in which the adhesive of the upper adhesive material that has been overlaid adheres to the adhesive of the lower adhesive material and the self-rear adhesive strength is improved, it is within the scope of the present invention. .
On the other hand, since such an effect is not recognized in the patch using the nonwoven fabric in which the through-hole is not formed even though the perforation is performed, it is out of the scope of the present invention. In addition, in the self-back adhesion test after light pressure bonding, which will be described later, after the adhesive is pressed with a 0.05 kg load roller, seepage of the adhesive to the support side (back-through) is observed. It is out of the scope of the idea.

本考案の貼付材の製造方法は、特に限定されないが、例えば以下のように製造することができる。
(1)孔が空いた支持体層を用意する工程、
(2)剥離紙に粘着剤層を塗布し、必要であれば粘着剤層を乾燥する工程、
(3)上記(1)と(2)を貼り合せる工程、
(4)剥離紙を剥離後、パッドを上記(3)の粘着剤層上に配置し、新たな剥離紙を2枚以上配置する任意の工程、
(5)絆創膏或いはシート状に打ち抜く工程
このように製造することで、本考案の貼付材を得ることができる。得られた貼付材は、通常、適切な包材で包装を行う。
Although the manufacturing method of the adhesive material of this invention is not specifically limited, For example, it can manufacture as follows.
(1) preparing a support layer with holes,
(2) Applying an adhesive layer to release paper, and drying the adhesive layer if necessary,
(3) A step of bonding (1) and (2) above,
(4) After peeling the release paper, an optional step of placing the pad on the adhesive layer of (3) above and placing two or more new release papers,
(5) Step of punching into a bandage or a sheet By manufacturing in this way, the patch of the present invention can be obtained. The obtained patch is usually packaged with an appropriate packaging material.

以下に実施例を挙げて本考案をさらに詳しく説明するが、本考案はこれら実施例に限定されるものではない。   Hereinafter, the present invention will be described in more detail with reference to examples. However, the present invention is not limited to these examples.

<貼付材の作成>
(実施例1)
支持体として0.5mmの孔が複数形成された柔軟性のあるポリプロピレン不織布(340μm)、粘着剤としてアクリル系粘着剤(40μm)、剥離シートをこの順で積層したタテ70mm×ヨコ21mmの貼付材を作製し試験片とし、表1に示す測定値を求めた。
(実施例2)
支持体として0.9mmの孔が複数形成された柔軟性のある編布(400μm)、粘着剤としてアクリル系粘着剤(40μm)、剥離シートをこの順で積層したタテ70mm×ヨコ21mmの貼付材を作製して試験片とし、表1に示す測定値を求めた。
<Creation of patch material>
Example 1
A flexible polypropylene nonwoven fabric (340 μm) having a plurality of 0.5 mm holes as a support, an acrylic adhesive (40 μm) as an adhesive, and a patch of 70 mm in length and 21 mm in width, laminated in this order. Were prepared as test pieces, and the measured values shown in Table 1 were obtained.
(Example 2)
A flexible knitted fabric (400 μm) having a plurality of 0.9 mm holes as a support, an acrylic adhesive (40 μm) as an adhesive, and a patch of 70 mm in length and 21 mm in width, laminated in this order Were prepared as test pieces, and the measured values shown in Table 1 were obtained.

<試験方法>
(保持力)
試験片(試験数n=3)の剥離シートを剥がして、試験片が伸張しないようにLS123で裏打ちを行った後、JIS Z 0237(保持力)に規定される手順に準じて、23℃、50%RH条件下でガラス板に貼付した(ガラス板への貼り合わせ面積12mm(縦)×20mm(横))。2kgのゴムロールで300mm/分の速度で一往復させて試験片をガラス板に圧着し、30分放置後、試験片が垂直に垂れ下がるように吊るし、おもり200gの荷重を垂直姿勢に保たれた該試験片の長手端部に取り付け、おもりを取り付けてから15分経過するまでにずれた距離(mm)を測定し、その平均値(mm)を算出した。
<Test method>
(Holding power)
After peeling the release sheet of the test piece (test number n = 3) and backing with LS123 so that the test piece does not stretch, according to the procedure prescribed in JIS Z 0237 (holding force), It stuck on the glass plate on 50% RH conditions (bonding area to a glass plate 12mm (length) * 20mm (width)). The test piece was reciprocated once at a speed of 300 mm / min with a 2 kg rubber roll, and the test piece was pressure-bonded to a glass plate. The distance (mm) which shifted to 15 minutes after attaching a weight and attaching to a longitudinal end of a test piece was measured, and the average value (mm) was computed.

(軽度圧着後自背面粘着力)
本評価方法は、普通に指で貼付材をなでるような状態で重ね貼りを行ったときの重ね貼りした箇所の自背面粘着力を想定している。
試験片(試験数n=3)の剥離シートを剥がしてベークライト板に貼り合わせ、その試験片の背面に、同じ試験片を12mmに裁断したものを重なるようにして貼り合せて重ね貼りされた状態とし、0.05kgの荷重が可能なローラーにて300mm/分の速度で1往復圧着して重ね貼りの状態にして、1分後に、引張試験機にて180度方向の12mm幅の試験片の剥離力を引張速度300mm/分で測定し、平均値(N/12mm)を求めた。
(Self-adhesive strength after light pressure bonding)
This evaluation method assumes the self-rear surface adhesive strength of the overlapped portion when the overlapping is performed in a state where the adhesive is usually stroked with a finger.
A state in which the release sheet of the test piece (number of tests n = 3) is peeled off and bonded to the bakelite plate, and the same test piece cut into 12 mm is laminated on the back of the test piece so as to overlap each other. The test piece having a width of 12 mm in a 180-degree direction was measured with a tensile tester after 1 minute by pressing and reciprocating at a speed of 300 mm / min with a roller capable of a load of 0.05 kg. The peeling force was measured at a tensile speed of 300 mm / min, and the average value (N / 12 mm) was determined.

(自背面粘着力)
本評価方法は、貼付材を通常の指の力で重ね貼りを行ったときの重ね貼りした箇所の自背面粘着力を想定している。
試験片(試験数n=3)の剥離シートを剥がしてベークライト板に貼り合わせ、その試験片の背面に、同じ試験片を12mmに裁断したものを重なるようにして貼り合わせて重ね貼りされた状態とし、1kgの荷重が可能なローラーにて300mm/分の速度で1往復圧着し、1分後に、引張試験機にて180度方向の12mm幅の試験片の剥離力を引張速度300mm/分で測定し、平均値(N/12mm)を求めた。
(Self-back adhesion)
This evaluation method assumes the self-rear surface adhesive strength of the overlapped portion when the adhesive material is overlapped with normal finger force.
A state in which the release sheet of the test piece (number of tests n = 3) is peeled off and bonded to the bakelite plate, and the same test piece cut into 12 mm is laminated on the back of the test piece so as to overlap each other. 1 reciprocating with a roller capable of a 1 kg load at a speed of 300 mm / min, and after 1 minute, the peeling force of a 12 mm wide test piece in a 180-degree direction with a tensile tester at a tensile speed of 300 mm / min. The average value (N / 12mm) was calculated.

(過度圧着後自背面粘着力)
本評価方法は、貼付材同士の接着が強力になるように、指を支持体側へ押し込んだ場合の重ね貼りした箇所の自背面粘着力を想定している。
試験片(試験数n=3)の剥離シートを剥がしてベークライト板に貼り合わせ、その試験片の背面に、同じ試験片を12mmに裁断したものを重なるようにして貼り合わせ重ね貼りされた状態とし、5kgの荷重が可能なローラーにて300mm/分の速度で1往復圧着し、1分後に引張試験機にて180度方向の12mm幅の試験片の剥離力を引張速度300mm/分で測定し、平均値(N/12mm)を求めた。
(Self-rear adhesive strength after excessive crimping)
This evaluation method assumes the self-rear surface adhesive strength of the overlapped portion when the finger is pushed into the support so that the bonding between the adhesives becomes strong.
Peel off the release sheet of the test piece (number of tests n = 3) and attach it to the bakelite plate. The same test piece cut to 12 mm is pasted on the back of the test piece so that they are laminated and pasted together. One reciprocating pressure is applied at a speed of 300 mm / min with a roller capable of a 5 kg load, and after 1 minute, the peeling force of a 12 mm wide test piece in a 180 degree direction is measured at a tensile speed of 300 mm / min with a tensile tester. The average value (N / 12 mm) was determined.

(指による過度圧着後自背面粘着力)
試験片(試験数n=3)の剥離シートを剥がしてベークライト板に貼り合わせ、その試験片の背面に、同じ試験片を12mmに裁断したものを重なるようにして貼り合わせ(重ね貼りされた状態)、1kgのローラーにて300mm/分の速度で1往復圧着し、さらに支持体層側から粘着剤層側に向かって、指で過度に圧着するように試験片を押し込んだ後、引張試験機にて180度方向の剥離力を引張速度300mm/分で測定し、平均値(N/12mm)を求めた。
(Adhesive strength on the back side after excessive pressure bonding with fingers)
Peel off the release sheet of the test piece (number of tests n = 3) and paste it on the bakelite plate, and paste it on the back of the test piece so that the same test piece cut to 12 mm overlaps (overlapping state) ) After one reciprocating pressure bonding with a 1 kg roller at a speed of 300 mm / min, and further pressing the test piece so as to be excessively pressure-bonded with the finger from the support layer side to the adhesive layer side, a tensile tester The peel force in the direction of 180 degrees was measured at a tensile speed of 300 mm / min to obtain an average value (N / 12 mm).

(支持体背面への粘着剤の裏抜け)
前述の軽度圧着後自背面粘着力の試験で、貼付材を0.05kgの荷重ローラーで加圧した後、支持体側への粘着剤の染み出し(裏抜け)が認められるかどうかを調べた。裏抜けなしを〇、裏抜けありを×と評価した。
(Back-through adhesive on the back of the support)
In the self-back adhesion test after light pressure bonding described above, the adhesive was pressed with a 0.05 kg load roller, and then it was examined whether or not the adhesive oozes out (back through) to the support side. Evaluated as “No” and “No”.

(重ね貼り性)
試験片の剥離シートを剥がして左手の人差し指の第一関節部分を覆うように巻き、別途用意した同じ試験片を、左手の中指の第一関節部分を覆うように巻きつけてそれぞれ貼付した。人差し指に貼付した貼付材の重ね貼りした箇所を、右手の親指と人差し指で挟み込むようにして強く押した後、人差し指と中指の貼付材を剥がして、下記の基準で重ね貼り性を評価した。
〇:人差し指の試験片が、中指の試験片よりも剥がれにくく、自背面粘着力が高くなっていることが感じられた。
×:人差し指の試験片が、中指の試験片よりも剥がれにくいとは感じられなかった。

Figure 0003207908
(Overlayability)
The release sheet of the test piece was peeled off and wound so as to cover the first joint part of the index finger of the left hand, and the same test piece prepared separately was wrapped around the first joint part of the middle finger of the left hand and pasted. After strongly pressing the place where the adhesive material stuck on the index finger was stuck between the thumb and index finger of the right hand, the adhesive material of the index finger and middle finger was peeled off, and the overlayability was evaluated according to the following criteria.
◯: It was felt that the index finger test piece was more difficult to peel off than the middle finger test piece, and the self-back surface adhesive strength was high.
X: It was not felt that the index finger test piece was more difficult to peel off than the middle finger test piece.
Figure 0003207908

本発明の貼付材は、皮膚に貼付する貼付材として、特に、皮膚にできた傷などの患部に貼り付けて使用する絆創膏や、ガーゼやパッドの固定やカテーテル・チューブの固定に用いられるサージカルテープとして産業上利用することができる。 The adhesive material of the present invention is used as an adhesive material to be applied to the skin, in particular, as an adhesive bandage to be applied to an affected area such as a wound on the skin, or as a surgical tape used for fixing a gauze or pad or a catheter or tube. It can be used industrially.

1 支持体層
2 粘着剤層
3 剥離シート
4 支持体層に形成された孔
DESCRIPTION OF SYMBOLS 1 Support body layer 2 Adhesive layer 3 Release sheet 4 The hole formed in the support body layer

Claims (6)

支持体層の片面に粘着剤層が積層された貼付材であって、
貼付材は、上記支持体層の厚さ方向に貫通する孔が複数存在し、
粘着剤層は、該支持体層の貫通する孔を塞いだ状態であり、
粘着剤層を覆うように任意の剥離シートが積層されている
貼付材。
It is a patch in which an adhesive layer is laminated on one side of a support layer,
The patch has a plurality of holes penetrating in the thickness direction of the support layer,
The pressure-sensitive adhesive layer is in a state of closing a hole penetrating the support layer,
A patch in which an arbitrary release sheet is laminated so as to cover the pressure-sensitive adhesive layer.
支持体層の片面に粘着剤層が積層された貼付材であって、
貼付材は、支持体層の厚さ方向に貫通する孔が複数存在し、
粘着剤層は、支持体層の孔を塞ぎ、支持体層の略全面に積層され、
自背面粘着力が、0.5〜5N/12mmであり、
過度圧着後自背面粘着力が、自背面粘着力の1.1〜10倍
である貼付材。
It is a patch in which an adhesive layer is laminated on one side of a support layer,
The patch has a plurality of holes penetrating in the thickness direction of the support layer,
The pressure-sensitive adhesive layer closes the holes of the support layer, and is laminated on substantially the entire surface of the support layer.
The self-adhesive strength is 0.5 to 5 N / 12 mm,
A sticking material having a self-adhesive strength of 1.1 to 10 times that of the self-adhesive strength after excessive pressure bonding.
前記支持体層を貫通する孔が皮膚貼付材の長辺方向および/または幅方向に複数形成されており、孔の大きさが0.5〜2mmである請求項1または2に記載の貼付材。   The patch according to claim 1 or 2, wherein a plurality of holes penetrating the support layer are formed in a long side direction and / or a width direction of the skin patch, and the size of the hole is 0.5 to 2 mm. . 前記支持体層が不織布、編布から選ばれる1種以上である請求項1または2に記載の貼付材。   The patch according to claim 1 or 2, wherein the support layer is at least one selected from a nonwoven fabric and a knitted fabric. 該貼付材がシート状である請求項1または2に記載の貼付材。   The patch according to claim 1 or 2, wherein the patch is a sheet. 前記支持体層を貫通する孔の大きさが0.5〜2mmであり、
自背面粘着力が1.0〜5.0N/12mmであり、
過度圧着後自背面粘着力が2.0〜10.0N/12mmであり、
過度圧着後自背面粘着力の測定値が、軽度圧着後自背面粘着力の測定値の1.1〜10倍である
請求項1に記載のサージカルテープ又は絆創膏用途で用いられる貼付材。
The size of the hole penetrating the support layer is 0.5 to 2 mm;
The self-adhesive strength is 1.0 to 5.0 N / 12 mm,
Self-rear adhesive strength after over-compression is 2.0 to 10.0 N / 12mm,
The adhesive material used in the surgical tape or adhesive bandage application according to claim 1, wherein the measured value of the adhesive strength on the back surface after excessive pressure bonding is 1.1 to 10 times the measured value of the adhesive strength on the back surface after light pressure bonding.
JP2016004712U 2016-09-28 2016-09-28 Adhesive material Active JP3207908U (en)

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