JPH11349440A - Keratinous plug-removing sheet and its production - Google Patents
Keratinous plug-removing sheet and its productionInfo
- Publication number
- JPH11349440A JPH11349440A JP10178147A JP17814798A JPH11349440A JP H11349440 A JPH11349440 A JP H11349440A JP 10178147 A JP10178147 A JP 10178147A JP 17814798 A JP17814798 A JP 17814798A JP H11349440 A JPH11349440 A JP H11349440A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- plug
- sheet
- keratotic
- base material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 235000019271 petrolatum Nutrition 0.000 description 1
- 239000000825 pharmaceutical preparation Substances 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920006350 polyacrylonitrile resin Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
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- 229920000193 polymethacrylate Polymers 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
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- 229920005990 polystyrene resin Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
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- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
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- 238000002360 preparation method Methods 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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- 230000001105 regulatory effect Effects 0.000 description 1
- 229910000275 saponite Inorganic materials 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
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- 239000000377 silicon dioxide Substances 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
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- 230000036559 skin health Effects 0.000 description 1
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- 238000005507 spraying Methods 0.000 description 1
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- TUHBEKDERLKLEC-UHFFFAOYSA-N squalene Natural products CC(=CCCC(=CCCC(=CCCC=C(/C)CCC=C(/C)CC=C(C)C)C)C)C TUHBEKDERLKLEC-UHFFFAOYSA-N 0.000 description 1
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Landscapes
- Cosmetics (AREA)
Abstract
Description
【０００１】[0001]
【発明が属する技術分野】本発明は、毛穴に形成された
角栓を取り除く角栓除去用シートおよびその製造方法に
関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plug removing sheet for removing plugs formed in pores and a method for producing the same.
【０００２】[0002]
【従来の技術】人の皮膚の毛穴には、油分等の分泌物や
ゴミ、埃等により角栓が形成されるが、この角栓は、肌
の健康上および美容上好ましくない。この角栓を予防ま
たは除去する方法としては、各種の洗顔剤を用いた洗顔
の他、チューブに入った液状のパック剤（角栓除去剤）
が利用されている。2. Description of the Related Art A keratotic plug is formed in pores of human skin by secretions such as oil, dirt, dust and the like, and this keratotic plug is not preferable in terms of skin health and beauty. As a method of preventing or removing the keratotic plug, in addition to a face wash using various facial cleansers, a liquid pack agent (a keratotic plug remover) in a tube is used.
Is used.
【０００３】従来のパック剤は、液状の水溶性パック剤
を皮膚に塗布し、乾燥後、形成された皮膜を皮膚から剥
離し、皮膜の粘着力により角栓の除去を行うものである
が、角栓の除去性能は十分ではない。[0003] In the conventional pack, a liquid water-soluble pack is applied to the skin, and after drying, the formed film is peeled off from the skin, and the plug is removed by the adhesive force of the film. The removal performance of the horn plug is not sufficient.
【０００４】さらに、このような塗布型のパック剤で
は、使用者が自己の皮膚に対し均一な厚さに塗布するこ
とが困難であるため、乾燥状態に部分的なバラツキを生
じ、パック剤皮膜を剥離した際、乾燥が不十分な部分の
パック剤が皮膚に残留する。また、皮膜の薄い部分は、
剥離時に破れ易く、破断片が皮膚に残留するので、皮膜
全体を除去するのに多大な手間がかかるという問題があ
った。[0004] Further, it is difficult for a user to apply a uniform thickness to the skin of the user with such a coating type pack. When peeled off, the insufficiently dried portion of the pack remains on the skin. Also, the thin part of the film
There is a problem in that the film is easily broken at the time of peeling, and the broken fragments remain on the skin, so that it takes a lot of trouble to remove the entire film.
【０００５】そこで、パック剤を厚く塗布し、より長時
間乾燥することが必要となるが、これでは簡便さを欠
き、実用性に乏しいとともに、パック剤の消費量も多
く、経済的にも不利である。[0005] Therefore, it is necessary to apply the pack agent thickly and to dry it for a longer time. However, this method lacks simplicity, is not practical, consumes a large amount of the pack agent, and is economically disadvantageous. It is.
【０００６】このような欠点を解消するために、基材層
上にパック剤層を積層した角栓除去用シートが開発され
ている。この角栓除去用シートは、皮膚を水で濡らし、
そこへ角栓除去用シートのパック剤層を貼着し、湿潤し
たパック剤層を乾燥後、角栓除去用シートを皮膚から剥
すことにより角栓を除去する。[0006] In order to solve such a drawback, a sheet for removing a square plug in which a pack agent layer is laminated on a base material layer has been developed. This sheet for removing keratotic plugs wets the skin with water,
The pack agent layer of the sheet for removing plugs is attached thereto, and after drying the wet pack agent layer, the plug is removed by peeling the sheet for removing plugs from the skin.
【０００７】この角栓除去用シートの基材層としては、
主に織布が用いられている。そのため、次のような欠点
がある。[0007] The base material layer of the sheet for removing keratotic plugs includes:
Woven fabric is mainly used. Therefore, there are the following disadvantages.
【０００８】パック剤層を湿潤（含水）させた際に、軟
化したパック剤が織布の繊維間の隙間に深く侵入する。
これにより、パック剤層と織布とが厚さ方向にほぼ全体
が重なり、パック剤層の角栓除去性能が低下するととも
に、パック剤が基材層の表面にまでしみ出し（所謂、裏
抜けという）、角栓除去用シートを貼付する際にベタツ
キを生じる。When the pack layer is moistened (containing water), the softened pack agent penetrates deeply into the gaps between the fibers of the woven fabric.
As a result, the pack agent layer and the woven fabric are almost entirely overlapped in the thickness direction, and the plug plug removing performance of the pack agent layer is reduced, and the pack agent exudes to the surface of the base material layer (so-called through-through). ), Stickiness occurs when the sheet for removing a square plug is attached.
【０００９】また、このような欠点を解消するために、
基材層の厚さを厚くすることも考えられるが、この場合
には、基材層の柔軟性が損なわれるため、角栓除去用シ
ートを貼着する際の皮膚の湾曲に対する局面追従性が悪
くなり、角栓除去用シートの皮膚に対する密着不良の箇
所では角栓を十分に除去できない等の問題が生じる。Further, in order to eliminate such a drawback,
Although it is conceivable to increase the thickness of the base material layer, in this case, since the flexibility of the base material layer is impaired, the phase followability to the curvature of the skin when attaching the sheet for removing a keratotic plug is reduced. It becomes worse, and there arises a problem that the keratotic plug cannot be sufficiently removed at a place where the keratotic plug removal sheet has poor adhesion to the skin.
【００１０】[0010]
【発明が解決しようとする課題】本発明の目的は、皮膚
への貼着時の曲面追従性に優れ、高い角栓除去性能を発
揮する角栓除去用シートおよびその製造方法を提供する
ことにある。SUMMARY OF THE INVENTION It is an object of the present invention to provide a sheet for removing keratotic plugs which is excellent in following a curved surface when adhered to the skin and exhibits high keratotic plug removal performance, and a method for producing the same. is there.
【００１１】[0011]
【課題を解決するための手段】このような目的は、下記
（１）〜（12）に示す本発明により達成される。This and other objects are achieved by the present invention described in the following (1) to (12).
【００１２】（１） 通気性および可撓性を有する基材
層と、水溶性高分子材料を主成分とする角栓除去層とを
積層してなる角栓除去用シートであって、前記基材層
は、繊度が０．０００１デニール以上０．１デニール未
満の繊維よりなる不織布で構成されていることを特徴と
する角栓除去用シート。(1) A sheet for removing a plug, which is formed by laminating a base layer having air permeability and flexibility and a plug removing layer mainly composed of a water-soluble polymer material. The material for removing square plugs, wherein the material layer is formed of a nonwoven fabric made of fibers having a fineness of 0.0001 denier or more and less than 0.1 denier.
【００１３】（２） 前記基材層の厚さは、０．０５〜
１mmである上記（１）に記載の角栓除去用シート。(2) The thickness of the base material layer is 0.05 to
The horn plug removal sheet according to the above (1), which is 1 mm.
【００１４】（３） 前記基材層の米坪量は、２０〜２
００g/m2である上記（１）または（２）に記載の角栓除
去用シート。(3) The basis weight of the base material layer is 20 to 2
The sheet for removing keratotic plugs according to the above (1) or (2), which is 00 g / m 2 .
【００１５】（４） 前記角栓除去層の構成物質が前記
基材層の一部に含浸または埋入している上記（１）ない
し（３）のいずれかに記載の角栓除去用シート。(4) The sheet for removing a plug according to any one of the above (1) to (3), wherein the constituent material of the plug removal layer is impregnated or embedded in a part of the base material layer.
【００１６】（５） 前記角栓除去層の構成物質が前記
基材層に含浸または埋入している部分の厚さは、前記基
材層全体の厚さの１〜６５％である上記（４）に記載の
角栓除去用シート。(5) The thickness of the portion of the base material layer impregnated or embedded with the constituent material of the keratotic plug removal layer is 1 to 65% of the total thickness of the base material layer. The sheet for removing keratotic plugs according to 4).
【００１７】（６） 前記基材層の少なくとも片面側に
親水化処理が施されている上記（１）ないし（５）のい
ずれかに記載の角栓除去用シート。(6) The sheet for removing a square plug according to any one of the above (1) to (5), wherein at least one side of the base material layer is subjected to a hydrophilic treatment.
【００１８】（７） 前記基材層の少なくとも片面側に
疎水化処理が施されている上記（１）ないし（５）のい
ずれかに記載の角栓除去用シート。(7) The sheet for removing keratotic plugs according to any one of (1) to (5), wherein at least one surface of the base material layer is subjected to a hydrophobic treatment.
【００１９】（８） 前記水溶性高分子材料は、酢酸ビ
ニルとＮ−ビニル−２−ピロリドンの共重合体である上
記（１）ないし（７）のいずれかに記載の角栓除去用シ
ート。(8) The horn plug removal sheet according to any one of (1) to (7), wherein the water-soluble polymer material is a copolymer of vinyl acetate and N-vinyl-2-pyrrolidone.
【００２０】（９） 前記共重合体における酢酸ビニル
とＮ−ビニル−２−ピロリドンの共重合比が５：９５〜
９５：５である上記（８）に記載の角栓除去用シート。(9) The copolymerization ratio of vinyl acetate to N-vinyl-2-pyrrolidone in the copolymer is from 5:95 to
The sheet for removing keratotic plugs according to (8), wherein the ratio is 95: 5.
【００２１】（10） 前記水溶性高分子材料の平均分子
量が１万〜３００万である上記（１）ないし（９）のい
ずれかに記載の角栓除去用シート。(10) The sheet for removing a keratin plug according to any one of (1) to (9), wherein the water-soluble polymer material has an average molecular weight of 10,000 to 3,000,000.
【００２２】（11） 繊度が０．０００１デニール以上
０．１デニール未満の繊維よりなる不織布で構成された
基材層の片面に、水溶性高分子材料を主成分とする角栓
除去剤を塗布、乾燥して、角栓除去層を形成することを
特徴とする角栓除去用シートの製造方法。(11) Applying a keratotic plug remover containing a water-soluble polymer material as a main component to one surface of a substrate layer composed of a nonwoven fabric made of fibers having a fineness of 0.0001 denier or more and less than 0.1 denier. And drying to form a plug removal layer.
【００２３】（12） 繊度が０．０００１デニール以上
０．１デニール未満の繊維よりなる不織布で構成された
基材層の片面に、水溶性高分子材料を主成分とする角栓
除去剤よりなる角栓除去層を転写法により接合すること
を特徴とする角栓除去用シートの製造方法。(12) On one surface of a base layer made of a nonwoven fabric made of fibers having a fineness of 0.0001 denier or more and less than 0.1 denier, a plug removing agent mainly composed of a water-soluble polymer material is used. A method for producing a sheet for removing a plug, comprising bonding the plug removal layer by a transfer method.
【００２４】[0024]
【発明の実施の形態】以下、本発明の角栓除去用シート
およびその製造方法について詳細に説明する。BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the sheet for removing keratotic plugs of the present invention and a method for producing the same will be described in detail.
【００２５】図１は、本発明の角栓除去用シートの構成
例を示す斜視図である。同図に示すように、本発明の角
栓除去用シート１は、基材層２と角栓除去層（パック剤
層）３とを積層してなるものである。以下、各層の構成
について説明する。FIG. 1 is a perspective view showing an example of the configuration of a sheet for removing a plug according to the present invention. As shown in the figure, the plug 1 for removing a plug according to the present invention is formed by laminating a base material layer 2 and a plug removing layer (pack agent layer) 3. Hereinafter, the configuration of each layer will be described.
【００２６】基材層２は、後述するような極細繊維より
なる不織布で構成されている。これにより、所定の通気
性および可撓性（柔軟性）を確保しつつ、貼着する皮膚
の曲面に対する曲面追従性に優れ、また、肌ざわりの良
い基材層２とすることができる。The base layer 2 is made of a nonwoven fabric made of ultrafine fibers as described later. This makes it possible to obtain the base layer 2 which is excellent in following a curved surface of a skin to be adhered and has a good touch while securing predetermined air permeability and flexibility (flexibility).
【００２７】また、極細繊維よりなる不織布を使用する
ことにより、不織布への角栓除去剤の侵入を抑制するこ
とができるため、少ない角栓除去剤の塗布量で優れた角
栓除去性が得られ、これに伴い、製造時および使用時の
乾燥時間を短縮することができる。In addition, by using a nonwoven fabric made of ultrafine fibers, penetration of the keratotic plug removing agent into the nonwoven fabric can be suppressed, so that excellent keratotic plug removal properties can be obtained with a small amount of keratotic plug removing agent applied. Accordingly, the drying time during production and during use can be shortened.
【００２８】不織布を構成する繊維としては、例えば、
セルロース繊維、綿、リンター、カポック、亜麻、大
麻、ラミー、絹、羊毛等の天然繊維、ナイロン（ポリア
ミド）、テトロン、レーヨン、キュプラ、アセテート、
ビニロン、アクリル、ポリエチレンテレフタレート（ポ
リエステル）、ポリプロピレン等の化学繊維、またはこ
れら天然および化学繊維のうちの２以上を組み合わせた
ものを挙げることができる。The fibers constituting the nonwoven fabric include, for example,
Cellulose fiber, cotton, linter, kapok, flax, cannabis, ramie, silk, natural fiber such as wool, nylon (polyamide), tetron, rayon, cupra, acetate,
Examples thereof include chemical fibers such as vinylon, acrylic, polyethylene terephthalate (polyester), and polypropylene, and combinations of two or more of these natural and chemical fibers.
【００２９】これらの繊維の繊度（太さ）は、０．００
０１デニール以上０．１デニール未満であり、好ましく
は０．０００３〜０．０７デニール程度とされ、さらに
好ましくは０．０００５〜０．０４デニール程度とされ
る。The fineness (thickness) of these fibers is 0.00
It is from 01 denier to less than 0.1 denier, preferably about 0.0003 to 0.07 denier, more preferably about 0.0005 to 0.04 denier.
【００３０】本発明では、基材層２にこのような極細繊
維を用いる。これにより、繊維の充填密度（嵩密度）を
高めることができ、よって、基材層２の厚さを増大する
ことなく、製造時に塗布されるの角栓除去剤の塗布液
や、使用時に湿潤して軟化した角栓除去剤の繊維間間隙
への侵入を抑制することができる。その結果、基材層２
と重ならない単独の角栓除去層３の厚さを十分に確保す
ることができ、高い角栓除去性能が得られる。また、角
栓除去剤が基材層２の表面２１にしみ出し（裏抜け）、
ベタツキを生じることも防止される。特に、基材層２の
柔軟性を損なわないので、角栓除去用シート１を貼着す
る際の皮膚の湾曲部に対する曲面追従性を確保すること
ができ、この点でも優れた角栓除去性を発揮する。In the present invention, such ultrafine fibers are used for the substrate layer 2. As a result, the packing density (bulk density) of the fibers can be increased, and therefore, the coating liquid of the plug removing agent applied at the time of production or the wetness at the time of use can be increased without increasing the thickness of the base material layer 2. The softened keratotic plug removing agent can be prevented from entering the inter-fiber gap. As a result, the base material layer 2
The thickness of the single plug removal layer 3 that does not overlap with the thickness can be sufficiently ensured, and high plug removal performance can be obtained. Further, the keratotic plug remover exudes to the surface 21 of the base material layer 2 (through through),
Stickiness is also prevented. In particular, since the flexibility of the base material layer 2 is not impaired, the ability to follow a curved surface of a curved portion of the skin when the sheet 1 for removing a plug is adhered can be ensured. Demonstrate.
【００３１】また、少ない角栓除去剤の塗布量で、良好
な角栓除去性が得られるため、製造時および使用時の乾
燥時間を大幅に短縮することができる。In addition, since good keratotic plug removal properties can be obtained with a small amount of keratotic plug removing agent applied, the drying time during production and use can be significantly reduced.
【００３２】用いる繊維の繊度が０．１デニール以上で
は、繊維の細径化が不十分であり、繊維の種類等によっ
ては上記効果を十分に得ることができない。また、０．
０００１デニール未満の繊維は、製造上困難である。When the fineness of the fibers used is 0.1 denier or more, the diameter of the fibers is insufficiently reduced, and the above effects cannot be sufficiently obtained depending on the type of the fibers. Also, 0.
Fibers of less than 0001 denier are difficult to manufacture.
【００３３】また、基材層２の米坪量は、特に限定され
ないが、２０〜２００g/m2程度が好ましく、３０〜１０
０g/m2程度がより好ましい。この値が低過ぎると、角栓
除去剤の繊維間間隙への侵入抑制を十分に発揮すること
ができなくなる場合があり、また、この値が高過ぎる
と、基材層２の柔軟性が低下し、十分な曲面追従性が確
保できない。Further, the rice basis weight of the base material layer 2 is not particularly limited, but is preferably about 20 to 200 g / m 2 ,
About 0 g / m 2 is more preferable. If this value is too low, it may not be possible to sufficiently suppress the penetration of the keratotic plug removing agent into the inter-fiber space, and if this value is too high, the flexibility of the base material layer 2 decreases. However, sufficient curved surface followability cannot be secured.
【００３４】このような基材層２は、それ自体通気性を
有している。これにより、後述する角栓除去層３を皮膚
に貼着した際に、角栓除去層３中の溶媒（水分、アルコ
ール分等）が基材層２を透過して蒸発し、角栓除去層３
の乾燥が均一かつ良好（迅速）になされる。Such a base material layer 2 itself has air permeability. Thereby, when the keratotic plug removal layer 3 described below is adhered to the skin, the solvent (moisture, alcohol content, etc.) in the keratotic plug removal layer 3 permeates through the base material layer 2 and evaporates. 3
Is uniformly and favorably (rapidly) dried.
【００３５】また、基材層２は、可撓性（柔軟性）を有
している。これにより、角栓除去用シート１を例えば
鼻、額、頬、あごやその周辺の皮膚の湾曲面に対して貼
着する場合に、その湾曲面に対する追従性（曲面追従
性）が確保される。特に、前記のような繊度の繊維を用
いると、この曲面追従性が特に優れ、角栓除去性能の向
上に寄与する。The base layer 2 has flexibility (flexibility). Accordingly, when the keratotic plug removal sheet 1 is adhered to, for example, a curved surface of the skin such as the nose, forehead, cheek, chin, and the surroundings, followability to the curved surface (curved surface followability) is ensured. . In particular, when fibers having the above-mentioned fineness are used, the curved surface followability is particularly excellent, and contributes to the improvement of the keratotic plug removal performance.
【００３６】基材層２の厚さは、特に限定されず、それ
を構成する繊維の材質、繊度、充填密度等の条件に応じ
て適宜決定されるが、通常は、０．０５〜１mm程度であ
るのが好ましく、０．０７〜０．７mm程度であるのがよ
り好ましい。厚さが０．０５mm未満であると、前述した
裏抜けを生じ易くなり、また、厚さが１mmを超えると、
基材層２の柔軟性が低下し、皮膚の湾曲部に対する曲面
追従性が低下する。The thickness of the base material layer 2 is not particularly limited, and is appropriately determined according to conditions such as the material, fineness, and packing density of the fibers constituting the base material layer 2, and is usually about 0.05 to 1 mm. And more preferably about 0.07 to 0.7 mm. If the thickness is less than 0.05 mm, the strike-through described above is likely to occur, and if the thickness exceeds 1 mm,
The flexibility of the base material layer 2 is reduced, and the ability to follow a curved surface of a curved portion of the skin is reduced.
【００３７】このような基材層２には、予め、親水化処
理、または疎水（撥水）化処理等を、その繊維の材料、
繊度、充填密度等の条件に応じて適宜行っておくことが
できる。この親水化処理、疎水化処理は、基材層２を構
成する不織布の全体に対し行っても、片面側（表面２１
または角栓除去層３との接合面２２）のみに行ってもよ
い。Such a base material layer 2 is previously subjected to a hydrophilic treatment or a hydrophobic (water repellent) treatment, etc.
It can be performed appropriately according to conditions such as fineness and packing density. Even when the hydrophilic treatment and the hydrophobic treatment are performed on the entire nonwoven fabric constituting the base material layer 2, the nonwoven fabric is treated on one side (the surface 21).
Alternatively, it may be performed only on the joint surface 22) with the keratotic plug removal layer 3.
【００３８】このような処理を行うことにより、基材層
２と角栓除去層３との重複部分４（図２参照）の厚さ等
を調整することができる。By performing such a treatment, the thickness and the like of the overlapping portion 4 (see FIG. 2) of the base material layer 2 and the plug removal layer 3 can be adjusted.
【００３９】例えば、基材層２の角栓除去層３との接合
面２２側に対し親水化処理を施すと、基材層２と角栓除
去層３との接着力が向上する。また、基材層２の表面２
１側に対し疎水化処理を施すと、重複部分４の厚さをよ
り小さくし、角栓除去性能を向上させるとともに、前述
した裏抜けの防止効果がより一層高まる。また、これら
双方の処理を施すこともできる。For example, when a hydrophilic treatment is performed on the bonding surface 22 side of the base material layer 2 with the plug removal layer 3, the adhesive strength between the base material layer 2 and the plug removal layer 3 is improved. The surface 2 of the base material layer 2
When the hydrophobizing treatment is performed on one side, the thickness of the overlapping portion 4 is made smaller, the keratotic plug removal performance is improved, and the above-described effect of preventing strikethrough is further enhanced. In addition, both of these processes can be performed.
【００４０】親水化処理の具体例としては、例えば、界
面活性剤の付与、プラズマ処理が挙げられ、疎水（撥
水）化処理の具体例としては、例えば、シリコーン化合
物、フッ素化合物等の撥水剤の付与が挙げられる。Specific examples of the hydrophilic treatment include, for example, the application of a surfactant and plasma treatment. Specific examples of the hydrophobic (water-repellent) treatment include, for example, water-repellent substances such as silicone compounds and fluorine compounds. Application of an agent.
【００４１】なお、基材層２として、親水化処理を施し
た不織布、疎水（撥水）化処理を施した不織布、これら
の処理を施していない不織布のうちの任意の２以上のも
のを組み合わせた積層したものを用いることもでき、こ
の場合にも前記と同様の効果が発揮される。The substrate layer 2 is a combination of any two or more of a non-woven fabric subjected to a hydrophilic treatment, a non-woven fabric subjected to a hydrophobic (water-repellent) treatment, and a non-woven fabric not subjected to these treatments. In this case, the same effect as described above can be obtained.
【００４２】角栓除去層３を構成する角栓除去剤は、水
溶性高分子材料を主成分とする組成物で構成される。か
かる水溶性高分子材料としては、水またはエチルアルコ
ール等の親水性媒体により湿潤状態または濡れ状態にお
かれたとき、接着性を示すものが好適に用いられる。The plug removing agent constituting the plug removing layer 3 is composed of a composition mainly composed of a water-soluble polymer material. As such a water-soluble polymer material, a material which exhibits adhesiveness when wet or wet with a hydrophilic medium such as water or ethyl alcohol is preferably used.
【００４３】このような水溶性高分子材料としては、特
に限定されず、各種のポリマーを用いることができる。
例えば、親水性官能基を導入したポリアクリル酸、ポリ
アクリル酸アルキルエステル共重合体、オルガノシロキ
サン系ポリマー、ポリビニルピロリドン、ポリビニルア
ルコール、セルロース誘導体、デンプン類、アルギン酸
塩、ポリ（ビニルエーテル−マレイン酸）共重合体、ポ
リ−Ｎ−ビニルアセトアミド、Ｎ−ビニル−２−ピロリ
ドンと酢酸ビニルとの共重合体等が挙げられるが、この
なかでも、Ｎ−ビニル−２−ピロリドンと酢酸ビニルと
の共重合体を主とするものが好ましい。The water-soluble polymer material is not particularly limited, and various polymers can be used.
For example, polyacrylic acid having an introduced hydrophilic functional group, alkyl polyacrylate copolymer, organosiloxane-based polymer, polyvinylpyrrolidone, polyvinyl alcohol, cellulose derivative, starches, alginate, poly (vinyl ether-maleic acid) copolymer Polymers, poly-N-vinylacetamide, copolymers of N-vinyl-2-pyrrolidone and vinyl acetate, and the like, among them, copolymers of N-vinyl-2-pyrrolidone and vinyl acetate Is mainly used.
【００４４】Ｎ−ビニル−２−ピロリドンと酢酸ビニル
との共重合体（以下単に「共重合体」とも言う）は、適
度な凝集性をもち、皮膚面に対する密着性（貼付性）が
優れているため、高い角栓除去性能を発揮する。また、
皮膚に対する刺激が少ないという点でも優れている。さ
らに、角栓除去層３の膜強度が高く、破損が生じにくい
ため、剥離した際に角栓除去剤の皮膚への残存（剥離残
渣）が生じにくい。A copolymer of N-vinyl-2-pyrrolidone and vinyl acetate (hereinafter, also simply referred to as "copolymer") has moderate cohesiveness and excellent adhesion to the skin surface (adherability). As a result, it exhibits high horn plug removal performance. Also,
It is also excellent in that there is little irritation to the skin. Further, since the keratotic plug removal layer 3 has a high film strength and is hardly damaged, the keratotic plug removing agent hardly remains on the skin (peeling residue) when peeled off.
【００４５】Ｎ−ビニル−２−ピロリドンと酢酸ビニル
の共重合体における共重合比は、任意の範囲で選択でき
るが、５：９５〜９５：５であることが好ましく、１
５：８５〜８５：１５がより好ましく、３０：７０〜７
０：３０の範囲がさらに好ましい。このような共重合比
とすることにより特に良好な皮膚密着性が得られ、角栓
除去性能を向上させることができる。The copolymerization ratio of the copolymer of N-vinyl-2-pyrrolidone and vinyl acetate can be selected within an arbitrary range, but is preferably from 5:95 to 95: 5, and is preferably 1:95 to 95: 5.
5: 85-85: 15 is more preferable, and 30: 70-7.
A range of 0:30 is more preferred. With such a copolymerization ratio, particularly good skin adhesion can be obtained, and the keratotic plug removal performance can be improved.
【００４６】また、酢酸ビニルとＮ−ビニル−２−ピロ
リドンの共重合体は、ランダム共重合体、ブロック共重
合体、グラフト共重合体等のいずれの共重合体であって
もよい。The copolymer of vinyl acetate and N-vinyl-2-pyrrolidone may be any copolymer such as a random copolymer, a block copolymer, and a graft copolymer.
【００４７】さらに、このような共重合体に、組成物の
凝集性、取扱性および角栓除去層の膜強度の向上等に寄
与するものとして、ポリビニルアルコール、ポリ酢酸ビ
ニル等のホモポリマー成分を適宜混合して用いることも
できる。Further, homopolymer components such as polyvinyl alcohol and polyvinyl acetate may be added to such a copolymer to contribute to the improvement of the cohesiveness and handleability of the composition and the film strength of the keratotic plug removing layer. They can also be used by appropriately mixing.
【００４８】角栓除去層３中における前記共重合体の含
有量は、１５〜９５wt％程度であるのが好ましく、４０
〜８０wt％程度であるのがより好ましい。この含有量が
少な過ぎると、前記共重合体を用いたことによる角栓除
去性能の向上効果が少なく、また多過ぎると、角栓除去
層３が硬化し、割れを生じ、取扱性が悪くなる。The content of the copolymer in the plug removal layer 3 is preferably about 15 to 95 wt%.
More preferably, it is about 80% by weight. If the content is too small, the effect of improving the keratotic plug removal performance due to the use of the copolymer is small, and if it is too large, the keratotic plug removal layer 3 is hardened and cracks, resulting in poor handling properties. .
【００４９】前記共重合体に代表される水溶性高分子材
料の重量平均分子量は、１万〜３００万程度が好まし
く、２万〜１５０万程度がより好ましい。この平均分子
量が小さ過ぎると、角栓除去層３の膜強度が低下し、乾
燥後皮膚への角栓除去剤の残留を生じ易く、また、平均
分子量が大き過ぎると、水に対する溶解性が低くなり、
皮膚への接着強度が不足することがある。The weight-average molecular weight of the water-soluble polymer material represented by the copolymer is preferably about 10,000 to 3,000,000, and more preferably about 20,000 to 1.5,000,000. If the average molecular weight is too small, the film strength of the keratotic plug-removing layer 3 decreases, and the keratotic plug-removing agent tends to remain on the skin after drying. If the average molecular weight is too large, the solubility in water is low. Become
Adhesive strength to the skin may be insufficient.
【００５０】また、角栓除去層３中には、以下に述べる
ような充填剤が必要に応じ添加されていてもよい。充填
剤の添加により、角栓除去層３の膜強度をより向上させ
ることができ、よって、皮膚への剥離残渣の防止効果が
高まる。また、充填剤は、その種類に応じて、顔料とし
ての機能も発揮する。Further, a filler as described below may be added to the keratin plug removal layer 3 as necessary. By adding the filler, the film strength of the keratotic plug removal layer 3 can be further improved, and thus the effect of preventing exfoliation residue on the skin is enhanced. The filler also functions as a pigment depending on the type of the filler.
【００５１】この充填剤は、通常粉体であることが好ま
しく、その形状は特に限定されないが分散性の点から球
状、鱗片状、針状であることが好ましく、特に球状であ
ることが好ましい。The filler is usually preferably in the form of powder, and the shape thereof is not particularly limited, but is preferably spherical, scale-like or needle-like from the viewpoint of dispersibility, and is particularly preferably spherical.
【００５２】充填剤の平均粒径は、特に限定されない
が、５nm〜５０μm であることが好ましく、７nm〜３０
μm がより好ましい。充填剤の平均粒径をこの範囲とす
ることにより、角栓除去層３中における分散性をより向
上させることができる。The average particle size of the filler is not particularly limited, but is preferably 5 nm to 50 μm, and 7 nm to 30 μm.
μm is more preferred. By setting the average particle size of the filler within this range, the dispersibility in the keratotic plug removal layer 3 can be further improved.
【００５３】角栓除去剤中の充填剤の含有量は、特に限
定されないが、６０wt％以下が好ましく、１〜５０wt％
がより好ましい。充填剤の含有量が多過ぎると、角栓除
去性能が低下する。The content of the filler in the keratotic plug remover is not particularly limited, but is preferably 60% by weight or less, and 1 to 50% by weight.
Is more preferred. If the content of the filler is too large, the keratotic plug removal performance is reduced.
【００５４】本発明で使用される充填剤としては特に限
定されず、無機系充填剤、有機系充填剤のいずれも使用
することができ、また、これらを混合して使用してもよ
いが、本発明では、無機系充填剤を主として用いること
がより好ましい。無機系充填剤の持つ吸湿性によって、
角栓除去層３中の水分が吸収され、角栓除去層３の乾燥
時間の短縮および膜強度の向上を図ることができる。The filler used in the present invention is not particularly limited, and any of an inorganic filler and an organic filler may be used, and these may be used as a mixture. In the present invention, it is more preferable to mainly use an inorganic filler. Due to the hygroscopicity of the inorganic filler,
The moisture in the keratotic plug removal layer 3 is absorbed, so that the drying time of the keratotic plug removal layer 3 can be shortened and the film strength can be improved.
【００５５】無機系充填剤としては、例えば、酸化亜
鉛、酸化チタン、シリカ、アルミナ、硫酸バリウム、酸
化ジルコニウム、炭酸カルシウム、ケイ酸カルシウム、
セラミック、ハイドロキシアパタイト、窒化ホウ素、セ
リサイト、マイカ、タルク、クレー、カオリン、モンモ
リロナイト、ヘクトライト、サポナイト、鉄黒、黄色酸
化鉄、べんがら、紺青、群青、カーボンブラック、パー
ル顔料等が挙げられ、これらを単独でまたは２種以上を
混合して用いることができるが、このなかでも無水ケイ
酸および酸化チタンの少なくとも一方を含むのが好まし
い。Examples of the inorganic filler include zinc oxide, titanium oxide, silica, alumina, barium sulfate, zirconium oxide, calcium carbonate, calcium silicate, and the like.
Ceramics, hydroxyapatite, boron nitride, sericite, mica, talc, clay, kaolin, montmorillonite, hectorite, saponite, iron black, yellow iron oxide, red iron oxide, navy blue, ultramarine, carbon black, pearl pigments, and the like. Can be used alone or as a mixture of two or more. Among them, it is preferable to include at least one of silicic anhydride and titanium oxide.
【００５６】無水ケイ酸は、吸水作用を有し、角栓除去
層３に含まれる水分を吸収することができるため、乾燥
性の向上に寄与することができる。また、角栓除去層３
の膜強度を向上させ、剥離性をより優れたものとするこ
とができる。Since silicic anhydride has a water absorbing effect and can absorb the water contained in the keratotic plug removal layer 3, it can contribute to improvement of the drying property. In addition, the horn plug removal layer 3
Can be improved, and the releasability can be further improved.
【００５７】一方、酸化チタンは、白色隠蔽性を有する
ため、これを添加することにより角栓除去層３を白色化
することができ、皮膚より除去され、角栓除去層３に付
着した角栓の視認性を向上することができる。On the other hand, since titanium oxide has a white concealing property, by adding it, the keratotic plug removal layer 3 can be whitened, removed from the skin, and attached to the keratotic plug removal layer 3. Can be improved.
【００５８】有機系の充填剤としては、例えば、シルク
パウダー、セルロースパウダー、ポリ（メタ）アクリル
酸エステル樹脂、ポリアミド樹脂、ポリオレフィン樹
脂、ポリイミド樹脂、ポリウレタン樹脂、ポリエステル
樹脂、ポリエーテル樹脂、ポリ塩化ビニル樹脂、ユリア
樹脂、ポリホルムアミド樹脂、ポリカーボネート樹脂、
ポリ酢酸ビニル樹脂、ポリ塩化ビニリデン樹脂、ポリア
クリロニトリル樹脂、ポリスルホン樹脂、ポリスチレン
樹脂、ポリウレア樹脂、シリコーン樹脂、メラミン樹
脂、ポリテトラフルオロエチレン樹脂、レーキ顔料、ア
ゾ染料等が挙げられ、必要に応じ、これらの１種又は２
種以上を混合して使用することもできる。Examples of the organic filler include silk powder, cellulose powder, poly (meth) acrylate resin, polyamide resin, polyolefin resin, polyimide resin, polyurethane resin, polyester resin, polyether resin, and polyvinyl chloride. Resin, urea resin, polyformamide resin, polycarbonate resin,
Polyvinyl acetate resin, polyvinylidene chloride resin, polyacrylonitrile resin, polysulfone resin, polystyrene resin, polyurea resin, silicone resin, melamine resin, polytetrafluoroethylene resin, lake pigments, azo dyes, etc. One or two of
A mixture of more than one species can be used.
【００５９】さらに、充填剤として、多孔質粒子を用い
て抗菌剤等の薬剤を担持させたものや、各種機能性ポリ
マー等で被覆したものを使用することも可能である。Further, as the filler, it is also possible to use a porous particle carrying a drug such as an antibacterial agent, or a filler coated with various functional polymers or the like.
【００６０】また、角栓除去層３中には、水溶性高分子
と相溶性のある可塑剤が必要に応じ添加されていてもよ
い。可塑剤としては以下のような化合物が挙げられる。Further, a plasticizer compatible with the water-soluble polymer may be added to the keratotic plug removal layer 3 if necessary. Examples of the plasticizer include the following compounds.
【００６１】例えばエチレングリコール、ジエチレング
リコール、トリエチレングリコール、それ以上のポリエ
チレングリコール、プロピレングリコール、それ以上の
ポリプロピレングリコール、１，３−ブタンジオール、
１，４−ブタンジオールなどのブタンジオール、グリセ
リン、ジグリセリン、トリグリセリン、それ以上のポリ
グリセリンなどの多価アルコール類である。For example, ethylene glycol, diethylene glycol, triethylene glycol, higher polyethylene glycol, propylene glycol, higher polypropylene glycol, 1,3-butanediol,
Polyhydric alcohols such as butanediol such as 1,4-butanediol, glycerin, diglycerin, triglycerin, and more than polyglycerin.
【００６２】さらに、敏感肌の人に用いる場合など、角
栓除去層３の接着力が強く、剥離後の肌に異常を起こす
ことが予想される場合は、以下のような油状成分が添加
されていてもよい。油状成分としては、スクワラン、ス
クワレン、ワセリン、流動パラフィンなどの炭化水素、
ホホバ油、ヒマシ油、オリーブ油、卵黄油、ヤシ油など
の天然油、ポリジメチルシロキサンなどのシリコーン
油、オレイン酸、イソステアリン酸等の高級脂肪酸、ラ
ウリルアルコールなどの高級アルコール類、ミリスチン
酸イソプロピルなどのエステル類が挙げられる。Further, when the keratotic plug removal layer 3 has a strong adhesive force and is expected to cause abnormalities in the peeled skin, for example, when used for sensitive skin, the following oily components are added. May be. Oils include hydrocarbons such as squalane, squalene, petrolatum, liquid paraffin,
Natural oils such as jojoba oil, castor oil, olive oil, egg yolk oil and coconut oil; silicone oils such as polydimethylsiloxane; higher fatty acids such as oleic acid and isostearic acid; higher alcohols such as lauryl alcohol; esters such as isopropyl myristate And the like.
【００６３】このような油状成分を角栓除去層３中に安
定分散させるために、次に挙げるような界面活性剤を用
いてもよい。界面活性剤として、非イオン性界面活性剤
であるグリセリン脂肪酸エステル、ソルビタン脂肪酸エ
ステル、ポリオキシエチレンソルビタン脂肪酸エステ
ル、ポリオキシエチレンヒマシ油、ポリオキシエチレン
硬化ヒマシ油、ポリオキシエチレンアルキルエーテルな
ど、Ｎ−アシルアミノ酸塩などの陰イオン界面活性剤、
脂肪族４級アンモニウム塩などの陽イオン界面活性剤、
ベタイン類などの両性界面活性剤が挙げられる。In order to stably disperse such an oily component in the plug removal layer 3, the following surfactants may be used. Examples of the surfactant include glycerin fatty acid esters, sorbitan fatty acid esters, polyoxyethylene sorbitan fatty acid esters, non-ionic surfactants, polyoxyethylene castor oil, polyoxyethylene hydrogenated castor oil, polyoxyethylene alkyl ether, and the like. Anionic surfactants such as acyl amino acid salts,
Cationic surfactants such as aliphatic quaternary ammonium salts,
Examples include amphoteric surfactants such as betaines.
【００６４】また、これらの可塑剤、油状成分、界面活
性剤は１種または２種以上組み合わせて用いてもよい。These plasticizers, oil components and surfactants may be used alone or in combination of two or more.
【００６５】また、角栓除去剤中には、ビニルアルコー
ル、ビニルアルキルエーテル、スチレン、アルキル置換
スチレン、（メタ）アクリル酸、（メタ）アクリル酸エ
ステル、ビニルブチラール、ビニルホルマール、アクリ
ルアミド、Ｎ−アルキルアクリルアミド、Ｎ−ビニルア
セトアミド、アリルアミン、エチレンイミン、アクリロ
ニトリル、α−アミノ酸、スチレンスルホン酸や、これ
らの塩等の一般の単量体の単独重合体または共重合体、
アルギン酸、アルギン酸塩、でんぷん、セルロース、セ
ルロース誘導体（ＨＥＣ、ＣＭＣ）等の高分子化合物が
添加されていてもよい。これらの物質の含有量は、特に
限定されないが、角栓除去剤に対し、２０wt％以下であ
るのが好ましく、０．１〜１０wt％程度であるのがより
好ましい。Further, in the keratotic plug removing agent, vinyl alcohol, vinyl alkyl ether, styrene, alkyl-substituted styrene, (meth) acrylic acid, (meth) acrylate, vinyl butyral, vinyl formal, acrylamide, N-alkyl Acrylamide, N-vinylacetamide, allylamine, ethyleneimine, acrylonitrile, α-amino acid, styrenesulfonic acid and homopolymers or copolymers of general monomers such as salts thereof,
High molecular compounds such as alginic acid, alginates, starch, cellulose, and cellulose derivatives (HEC, CMC) may be added. The content of these substances is not particularly limited, but is preferably 20% by weight or less, more preferably about 0.1 to 10% by weight, based on the keratotic plug removing agent.
【００６６】また、角栓除去層３中には、溶媒（または
分散媒）が含まれていてもよい。このような溶媒は、前
記水溶性高分子化材料を安定的に溶解するものであっ
て、室温〜体温付近で揮発性を有し、さらに皮膚に刺激
を与えないものが良く、その好適例としては、水、エタ
ノール、イソプロピルアルコール等の、水および／また
は炭素数１〜４のモノアルコールが挙げられる。これら
の溶媒は、特に前記無機充填剤と組合わせて使用される
場合には、無機充填剤の吸湿性による角栓除去層３の過
剰な乾燥を抑制する働きを有する。The keratotic plug removal layer 3 may contain a solvent (or a dispersion medium). Such a solvent is one that stably dissolves the water-soluble polymerized material, has volatility at room temperature to around body temperature, and preferably does not irritate the skin. Examples thereof include water and / or a monoalcohol having 1 to 4 carbon atoms such as water, ethanol, and isopropyl alcohol. These solvents, particularly when used in combination with the inorganic filler, have a function of suppressing excessive drying of the keratotic plug removal layer 3 due to the hygroscopicity of the inorganic filler.
【００６７】角栓除去剤における溶媒の含有量として
は、水溶性高分子材料、充填剤の含有量等により適宜選
択することができるが、通常、３０wt％以下が好まし
く、２０wt％以下がより好ましい。また、溶媒の含有量
は、微量または極微量であっても良い。The content of the solvent in the keratotic plug remover can be appropriately selected depending on the content of the water-soluble polymer material, the filler, and the like, but is usually preferably 30% by weight or less, more preferably 20% by weight or less. . Further, the content of the solvent may be very small or very small.
【００６８】なお、このような溶媒は、角栓除去層３中
に積極的に含有せしめる場合の他、角栓除去剤を調製す
る過程で添加された溶媒（または分散媒）の不揮発分が
残存しているものでも良い。It is to be noted that such a solvent may be positively contained in the keratotic plug removal layer 3 or may contain non-volatile components of the solvent (or dispersion medium) added in the process of preparing the keratotic plug removing agent. What you do.
【００６９】さらに、角栓除去層３中には、一般に化粧
料、医薬製剤等に使用される各種の添加剤が配合されて
いてもよい。このような添加剤としては、例えば抗菌
剤、粘度調整剤、防腐剤、防黴剤、香料、保湿剤、生理
活性成分、塩類、酸化防止剤、中和剤、ｐＨ調整剤、消
炎剤、栄養剤等が挙げられる。これらの添加量は、角栓
除去層３の角栓除去性能を悪化させない範囲の量とされ
る。Further, the keratotic plug removal layer 3 may contain various additives generally used for cosmetics, pharmaceutical preparations and the like. Such additives include, for example, antibacterial agents, viscosity modifiers, preservatives, fungicides, fragrances, humectants, physiologically active ingredients, salts, antioxidants, neutralizers, pH adjusters, anti-inflammatory agents, nutrition Agents and the like. The amount of these additions is set to an amount that does not deteriorate the keratotic plug removal performance of the keratotic plug removal layer 3.
【００７０】以上のような基材層２と角栓除去層３と
は、所定の接着力をもって接合（接着）されている。The base material layer 2 and the plug removal layer 3 as described above are joined (adhered) with a predetermined adhesive force.
【００７１】基材層２と角栓除去層３との接着力は、例
えば基材層２と角栓除去層３とを接着剤で接着すること
等により得ることもできるが、本発明では、図２に模式
的に示すように、角栓除去層３の構成物質である角栓除
去剤が基材層３の一部（厚さ方向の一部）に含浸または
埋入（拡散）しているような構成とするのが好ましい。
これにより、簡易な層構成（簡易な製造工程）で、基材
層２と角栓除去層３との高い接着力を得ることができ、
前述した角栓除去剤の皮膚へ剥離残渣防止が発揮され
る。The adhesive strength between the substrate layer 2 and the plug removal layer 3 can be obtained, for example, by bonding the substrate layer 2 and the plug removal layer 3 with an adhesive. As schematically shown in FIG. 2, a plug removing agent which is a constituent material of the plug removing layer 3 impregnates or embeds (diffuses) a part (a part in the thickness direction) of the base material layer 3. It is preferable to adopt such a configuration.
Thereby, with a simple layer configuration (simple manufacturing process), it is possible to obtain a high adhesive force between the base material layer 2 and the plug removal layer 3,
The above-mentioned keratotic plug removal agent exerts prevention of peeling residue on the skin.
【００７２】このような構成では、基材層２と角栓除去
層３との界面は、必ずしも明確ではなく、両層２、３の
境界付近では、両層２、３がある程度重複している（図
２参照）。この場合、両層２、３の重複部分４の厚さ、
すなわち、角栓除去層３の構成物質（角栓除去剤）が基
材層２に含浸または埋入している部分の厚さは、基材層
２全体の厚さの１〜６５％程度であるのが好ましく、５
〜５０％程度であるのがより好ましい。この比率が少な
過ぎると、基材層２と角栓除去層３との接着力が弱くな
るので層間剥離を生じ易くなり、また、この比率が多過
ぎると、前記裏抜けを生じるおそれがある。In such a configuration, the interface between the base material layer 2 and the plug removal layer 3 is not always clear, and the two layers 2 and 3 overlap to some extent near the boundary between the two layers 2 and 3. (See FIG. 2). In this case, the thickness of the overlapping portion 4 of the two layers 2 and 3;
That is, the thickness of the portion of the base plug layer 2 impregnated or embedded with the constituent material (the plug plug removing agent) of the plug removal layer 3 is about 1 to 65% of the thickness of the entire base plug layer 2. Preferably there is 5
More preferably, it is about 50%. If this ratio is too small, the adhesive force between the base material layer 2 and the plug removal layer 3 is weakened, so that delamination tends to occur. If the ratio is too large, the strikethrough may occur.
【００７３】角栓除去層３の厚さは、特に限定されない
が、０．０５〜１mm程度であるのが好ましく、０．０８
〜０．３mm程度であるのがより好ましい。角栓除去層３
の厚さが薄過ぎると、膜強度が低下し、角栓除去性能が
低下するとともに、前述した角栓除去剤の皮膚への剥離
残渣防止効果が少ない。また、厚過ぎると、角栓除去層
３の乾燥時間が長くなる。The thickness of the keratin plug removal layer 3 is not particularly limited, but is preferably about 0.05 to 1 mm, and is preferably about 0.08 mm.
More preferably, it is about 0.3 mm. Square plug removal layer 3
If the thickness is too small, the film strength is reduced, the keratotic plug removal performance is reduced, and the effect of the above-described keratotic plug remover on the peeling residue on the skin is small. On the other hand, if the thickness is too large, the drying time of the plug removal layer 3 will be long.
【００７４】このような角栓除去層３の形成方法は、特
に限定されないが、形成の容易性、安定性、生産性等の
理由から、塗布法または転写法により形成されたもので
あるのが好ましい。The method for forming such a plug removal layer 3 is not particularly limited, but it is preferably formed by a coating method or a transfer method for reasons of easiness of formation, stability, productivity and the like. preferable.
【００７５】塗布法、転写法は、角栓除去層３の形成を
容易かつ適正に行うことができるとともに、図２に示す
ような層２、３の重複構造を得る上で、重複部分４の厚
さやその比率等をコントロールし易いという利点を持
つ。塗布法、転写法による形成方法の詳細は、後に詳述
する。The coating method and the transfer method can easily and properly form the keratotic plug removing layer 3 and obtain the overlapping structure of the layers 2 and 3 as shown in FIG. This has the advantage that the thickness and its ratio can be easily controlled. Details of the forming method by the coating method and the transfer method will be described later.
【００７６】また、図示されていないが、本発明の角栓
除去用シートは、基材層２の表面２１に、角栓除去層３
中の成分の蒸散や、基材層２の表面２１の汚染等を防止
する等の目的で、保護層を有していてもよい。Although not shown, the sheet for removing keratotic plugs of the present invention is provided on the surface 21 of the base material layer 2 with
A protective layer may be provided for the purpose of preventing evaporation of components therein, contamination of the surface 21 of the base material layer 2, and the like.
【００７７】この保護層としては、例えば、ポリエステ
ル、ポリエチレン、ポリプロピレン等からなるフィル
ム、表面をポリマー処理した紙類、あるいはその他のフ
ィルム、シート等が挙げられる。Examples of the protective layer include films made of polyester, polyethylene, polypropylene and the like, papers whose surfaces are polymer-treated, and other films and sheets.
【００７８】また、図示されていないが、本発明の角栓
除去用シートは、角栓除去層３の皮膚への貼着面３１に
離型フィルムが接合されていてもよい。Although not shown, in the sheet for removing keratotic plugs of the present invention, a release film may be bonded to the surface 31 of the keratotic plug removal layer 3 adhered to the skin.
【００７９】これにより、使用時まで角栓除去層３を衛
生的に保管し、また、角栓除去層３中の成分の蒸散を抑
制することができる。Thus, the keratotic plug removal layer 3 can be stored hygienically until use, and the evaporation of the components in the keratotic plug removal layer 3 can be suppressed.
【００８０】離型フィルムの基材としては、一般的に使
用されるものが挙げられ、例えばポリエステル、ポリエ
チレン、ポリプロピレン等からなるフィルム、表面をポ
リマー処理した紙類、あるいはその他の各種フィルム、
シート等が挙げられる。このような基材の貼着面３１と
接合する面には、シリコーン等の離型剤がコーティング
されている。As the base material of the release film, those generally used can be mentioned, for example, films made of polyester, polyethylene, polypropylene, etc., papers whose surfaces are polymer-treated, or other various films,
Sheets and the like. The surface of such a base material that is bonded to the bonding surface 31 is coated with a release agent such as silicone.
【００８１】次に、本発明の角栓除去用シートの製造方
法について説明する。本発明の角栓除去用シートは、例
えば以下のような方法により製造することができる。Next, a method for producing the sheet for removing a plug according to the present invention will be described. The sheet for removing keratotic plugs of the present invention can be manufactured, for example, by the following method.
【００８２】１．塗布法 まず、角栓除去層３を形成するための角栓除去剤塗布液
を調製する。角栓除去剤塗布液の調製は、前述した水溶
性高分子材料、その他必要に応じて添加される充填剤、
可塑剤、その他の添加剤、無機および／または有機溶媒
（分散媒）を各々所定量混合し、撹拌することによりな
される。角栓除去剤塗布液の粘度は、例えば１００〜５
０００ cps（常温）程度とされる。1. Coating Method First, a keratotic plug removal agent coating solution for forming the keratotic plug removal layer 3 is prepared. Preparation of the keratotic plug removal agent coating solution, the above-mentioned water-soluble polymer material, other fillers added as necessary,
A predetermined amount of a plasticizer, other additives, and an inorganic and / or organic solvent (dispersion medium) are mixed and stirred, respectively. The viscosity of the keratotic plug remover application liquid is, for example, 100 to 5
000 cps (normal temperature).
【００８３】次に、この角栓除去剤塗布液を基材層２の
片面に塗布し、乾燥する。これにより、基材層２と角栓
除去層３との積層体が得られる。このとき、基材層２
が、前述したような極細繊維の不織布で構成されている
ため、基材層２への塗布液の含浸が適度に規制され、重
複部分４の厚さを前述したような範囲とすることができ
る。これにより、優れた角栓除去性および裏抜け防止効
果が得られる。Next, this coating solution for removing a plug is applied to one surface of the base material layer 2 and dried. As a result, a laminate of the base material layer 2 and the plug removal layer 3 is obtained. At this time, the base material layer 2
However, since the nonwoven fabric of the ultrafine fibers as described above is used, the impregnation of the base layer 2 with the coating liquid is appropriately regulated, and the thickness of the overlapping portion 4 can be set in the range described above. . Thereby, excellent keratotic plug removal properties and strike-through prevention effects can be obtained.
【００８４】塗布の方法としては、例えば、ロール、エ
アナイフ、ナイフ、コンマ、グラビア、マイヤーバー、
ファウンテンダイ等を用いたコート、スプレーコート、
はけ塗り、ディッピング等いかなる方法でもよい。As a coating method, for example, roll, air knife, knife, comma, gravure, Meyer bar,
Coat using a fountain die, spray coat,
Any method such as brushing and dipping may be used.
【００８５】このような塗布法によれば、基材層２が不
織布で構成されているので、角栓除去剤塗布液を塗布す
る際にその一部が不織布の繊維間の間隙に含浸し、図２
に示すような、角栓除去層３が基材層２の一部に含浸ま
たは埋入した構成を得ることができる。According to such a coating method, since the base material layer 2 is composed of a nonwoven fabric, a part of the material is impregnated into the gaps between the fibers of the nonwoven fabric when the coating solution for removing the keratotic plug is applied, FIG.
As shown in (1), a configuration in which the plug removal layer 3 is impregnated or embedded in a part of the base material layer 2 can be obtained.
【００８６】なお、前述したように、基材層２には、予
め、親水化処理、または疎水（撥水）化処理等を、その
構成材料や面に応じて行っておくことができる。As described above, the substrate layer 2 can be subjected to a hydrophilic treatment or a hydrophobic (water-repellent) treatment or the like in advance according to its constituent material or surface.
【００８７】２．転写法 前記と同様にして角栓除去剤塗布液を調製し、この角栓
除去剤塗布液をフィルム、シート等の転写体（仲介物）
の表面に塗布、乾燥し、角栓除去層３を形成する。転写
体としては、前述した離型フィルムを用いることができ
る。2. Transfer method A keratotic plug remover coating solution is prepared in the same manner as described above, and this keratotic plug remover coating solution is transferred to a transfer medium (media) such as a film or sheet.
Is applied and dried to form a keratotic plug removal layer 3. The release film described above can be used as the transfer body.
【００８８】次に、この角栓除去層３を基材層２に重
ね、必要に応じ、加水処理や加圧処理を施し、その後、
転写体を除去して、角栓除去層３を基材層２の表面に転
写する。これにより、基材層２と角栓除去層３との積層
体が得られる。Next, the plug removal layer 3 is superimposed on the base material layer 2 and subjected to a water treatment or a pressure treatment as necessary.
The transfer body is removed, and the plug removal layer 3 is transferred to the surface of the base material layer 2. As a result, a laminate of the base material layer 2 and the plug removal layer 3 is obtained.
【００８９】なお、角栓除去層３の基材層２上への転写
に際しては、基材層２と角栓除去層３との間に、接着剤
層等の中間層を介在させてもよい。In transferring the plug removal layer 3 onto the base layer 2, an intermediate layer such as an adhesive layer may be interposed between the base layer 2 and the plug removal layer 3. .
【００９０】また、基材層２に対する親水化処理、疎水
（撥水）化処理については、前記と同様である。The hydrophilic treatment and the hydrophobic (water repellent) treatment for the base material layer 2 are the same as described above.
【００９１】以上のような角栓除去用シートの製造方法
によれば、前述したような優れた効果を持つ角栓除去用
シートを容易に製造することができる。特に、各層の厚
さや層の重複の度合い等を容易にコントロールすること
ができ、角栓除去層も均一な厚さに形成することができ
る。また、生産性も高く、量産にも適する。According to the method for producing a sheet for removing plugs as described above, a sheet for removing plugs having excellent effects as described above can be easily produced. In particular, the thickness of each layer, the degree of overlap of the layers, and the like can be easily controlled, and the keratotic plug removal layer can be formed to have a uniform thickness. It also has high productivity and is suitable for mass production.
【００９２】また、本発明の角栓除去用シートの製造方
法により得られた角栓除去用シートの乾燥減量率は３０
％以下であることが好ましく、２０％以下であることが
より好ましい。ここで、乾燥減量率は、角栓除去用シー
トから乾燥により除去される溶媒量に相当し、下記式
［１］により求めることができる。Further, the rate of loss on drying of the sheet for removing plugs obtained by the method for producing a sheet for removing plugs of the present invention is 30.
% Or less, and more preferably 20% or less. Here, the rate of loss on drying corresponds to the amount of solvent removed by drying from the sheet for removing square plugs, and can be determined by the following equation [1].
【００９３】 乾燥減量率（％）＝{ （ＷA −ＷB ）／ＷA } ×１００ ・・・［１］[0093] Dry weight loss (%) = {(W A -W B) / W A} × 100 ··· [1]
【００９４】ＷA ：乾燥前の角栓除去用シート重量 (g) ＷB ：乾燥後の角栓除去用シート重量 (g)[0094] W A: keratotic plug removing sheet weight before drying (g) W B: keratotic plug removing sheet weight after drying (g)
【００９５】乾燥減量率が３０％を超えると、角栓除去
層が過度に軟化され、シート端部または不織布表面から
のしみ出し、角栓除去剤、保護層からの剥離不良を生じ
るおそれがある。When the rate of loss on drying exceeds 30%, the keratotic plug removal layer is excessively softened, which may exude from the sheet edge or the surface of the nonwoven fabric, and may cause poor peeling from the keratotic plug removal agent and the protective layer. .
【００９６】[0096]
【実施例】以下、具体的実施例を挙げて、本発明をさら
に詳細に説明する。EXAMPLES Hereinafter, the present invention will be described in more detail with reference to specific examples.
【００９７】（実施例１）下記表１に示す組成の角栓除
去剤塗布液を調製した。その方法は、まず、水溶性高分
子の溶液に、充填剤等を加え、これらを十分に撹拌し
て、角栓除去剤塗布液とした。なお、この塗布液の粘度
は、５００〜１５００ cpsであった。Example 1 A coating solution for a keratotic plug removal agent having the composition shown in Table 1 below was prepared. In this method, first, a filler and the like were added to a solution of a water-soluble polymer, and these were sufficiently stirred to obtain a keratotic plug removal agent coating solution. The viscosity of this coating solution was 500 to 1500 cps.
【００９８】一方、基材層として、アクリル系極細繊維
よりなる不織布（繊度：０．０００７デニール、米坪量
４０g/m2、厚さ：０．３mm）を用意した。On the other hand, as the substrate layer, a nonwoven fabric (fineness: 0.0007 denier, rice basis weight: 40 g / m 2 , thickness: 0.3 mm) made of ultrafine acrylic fibers was prepared.
【００９９】次に、基材層の片面（接合面２２）に前記
塗布液を塗布、乾燥し、厚さ（乾燥膜厚）０．１５mmの
角栓除去層を形成した。基材層と角栓除去層との重複部
分の厚さは、基材層の厚さの２０％程度であった。Next, the above-mentioned coating solution was applied to one surface (joining surface 22) of the base material layer and dried to form a 0.15 mm thick (dry film thickness) square plug removal layer. The thickness of the overlapping portion between the base material layer and the plug removal layer was about 20% of the thickness of the base material layer.
【０１００】以上のようにして、本発明の角栓除去用シ
ートを製造した。なお、この製造において、上記式
［１］で示される乾燥減量率は、９％であった。As described above, the sheet for removing keratotic plugs of the present invention was manufactured. In this production, the loss on drying represented by the above formula [1] was 9%.
【０１０１】（実施例２）実施例１と同様の方法によ
り、下記表１に示す組成の角栓除去剤塗布液を調製し
た。(Example 2) In the same manner as in Example 1, a coating solution for a keratotic plug having the composition shown in Table 1 below was prepared.
【０１０２】一方、基材層として、ポリエステル系極細
繊維よりなる不織布（繊度：０．００５デニール、米坪
量４０g/m2、厚さ：０．３５mm）を用意した。On the other hand, a nonwoven fabric (fineness: 0.005 denier, rice basis weight: 40 g / m 2 , thickness: 0.35 mm) made of polyester-based ultrafine fibers was prepared as a base layer.
【０１０３】次に、転写体として、離型剤をコーティン
グしたポリエチレンテレフタレートフィルムを用意し、
該フィルムの離型剤層上に、前記塗布液を塗布、乾燥
し、厚さ（乾燥膜厚）０．１４mmの角栓除去層を形成し
た。Next, a polyethylene terephthalate film coated with a release agent was prepared as a transfer body.
On the release agent layer of the film, the coating solution was applied and dried to form a square plug removal layer having a thickness (dry film thickness) of 0.14 mm.
【０１０４】次に、この角栓除去層と前記基材層とを接
合し、加水処理による湿潤下でローラ加圧し、角栓除去
層と基材層とを接着した。基材層と角栓除去層との重複
部分の厚さは、基材層の厚さの３０％程度であった。Next, the keratotic plug removal layer and the base material layer were joined to each other, and a roller was pressed under a wet condition by a water treatment to adhere the keratotic plug removal layer and the base material layer. The thickness of the overlapping portion of the base material layer and the plug removal layer was about 30% of the thickness of the base material layer.
【０１０５】以上のようにして、本発明の角栓除去用シ
ートを製造した。なお、この製造において、上記式
［１］で示される乾燥減量率は、８％であった。As described above, the sheet for removing keratotic plugs of the present invention was manufactured. In this production, the loss on drying represented by the above formula [1] was 8%.
【０１０６】（実施例３）実施例１と同様の方法によ
り、下記表１に示す組成の角栓除去剤塗布液を調整し
た。(Example 3) In the same manner as in Example 1, a coating solution for removing a keratotic plug having the composition shown in Table 1 below was prepared.
【０１０７】一方、基材層として、ポリエステル系極細
繊維／ポリプロピレン系極細繊維の混合繊維よりなる不
織布（繊度（平均）：０．０２デニール、米坪量５０g/
m2、厚さ：０．４５mm）を用い、実施例２と同様にし
て、本発明の角栓除去用シートを製造した。角栓除去層
の厚さ（乾燥膜厚）は０．１４mmであった。On the other hand, as the base layer, a nonwoven fabric made of a mixed fiber of polyester-based ultrafine fibers / polypropylene-based ultrafine fibers (density (average): 0.02 denier, rice basis weight 50 g /
m 2 , thickness: 0.45 mm) in the same manner as in Example 2 to produce a sheet for removing keratotic plugs of the present invention. The thickness (dry film thickness) of the keratin plug removal layer was 0.14 mm.
【０１０８】なお、基材層と角栓除去層との重複部分の
厚さは、基材層の厚さの２０％程度であった。また、上
記式［１］で示される乾燥減量率は、９％であった。[0108] The thickness of the overlapping portion between the base material layer and the plug removal layer was about 20% of the thickness of the base material layer. The drying loss rate represented by the above formula [1] was 9%.
【０１０９】（実施例４）実施例１と同様の方法によ
り、下記表１に示す組成の角栓除去剤塗布液を調整し
た。(Example 4) In the same manner as in Example 1, a coating solution for removing a keratotic plug having the composition shown in Table 1 below was prepared.
【０１１０】一方、不織布の一方の面（表面２１）側に
疎水化処理、他方の面（接合面２２）側に親水化処理を
施した基材層を用い、実施例１と同様にして、本発明の
角栓除去用シートを製造した。On the other hand, in the same manner as in Example 1, the base material layer was subjected to a hydrophobic treatment on one surface (surface 21) side and a hydrophilic treatment on the other surface (bonding surface 22) side of the nonwoven fabric. The sheet for removing a plug according to the present invention was manufactured.
【０１１１】ここで、疎水化処理は、シリコーン系撥水
剤をバインダーと共にコーティングして担持させること
により行い、親水化処理は、界面活性剤をスプレーし乾
燥して担持させることにより行った。角栓除去層の厚さ
（乾燥膜厚）は０．１５mmであった。Here, the hydrophobizing treatment was carried out by coating and carrying a silicone water repellent with a binder, and the hydrophilizing treatment was carried out by spraying, drying and carrying a surfactant. The thickness (dry film thickness) of the keratotic plug removal layer was 0.15 mm.
【０１１２】基材層と角栓除去層との重複部分の厚さ
は、基材層の厚さの２５％程度であった。また、上記式
［１］で示される乾燥減量率は、９％であった。The thickness of the overlapping portion between the base material layer and the keratotic plug removal layer was about 25% of the thickness of the base material layer. The drying loss rate represented by the above formula [1] was 9%.
【０１１３】（実施例５）実施例１と同様の方法によ
り、下記表２に示す組成の角栓除去剤塗布液を調整し
た。(Example 5) In the same manner as in Example 1, a coating solution for removing a keratotic plug having the composition shown in Table 2 below was prepared.
【０１１４】一方、不織布の一方の面（表面２１）側に
疎水化処理、他方の面（接合面２２）側に親水化処理を
施した基材層を用い、実施例２と同様にして、本発明の
角栓除去用シートを製造した。なお、疎水化処理および
親水化処理の方法は、実施例４と同様とした。角栓除去
層の厚さ（乾燥膜厚）は０．１４mmであった。On the other hand, in the same manner as in Example 2, the base material layer was subjected to a hydrophobic treatment on one surface (surface 21) side and a hydrophilic treatment on the other surface (bonding surface 22) side. The sheet for removing a plug according to the present invention was manufactured. The method of the hydrophobizing treatment and the hydrophilizing treatment was the same as in Example 4. The thickness (dry film thickness) of the keratin plug removal layer was 0.14 mm.
【０１１５】基材層と角栓除去層との重複部分の厚さ
は、基材層の厚さの２０％程度であった。また、上記式
［１］で示される乾燥減量率は、８％であった。The thickness of the overlapped portion between the base material layer and the plug removal layer was about 20% of the thickness of the base material layer. Further, the loss on drying represented by the above formula [1] was 8%.
【０１１６】（実施例６）実施例１と同様の方法によ
り、下記表２に示す組成の角栓除去剤塗布液を調整し
た。(Example 6) In the same manner as in Example 1, a coating solution for a keratotic plug having the composition shown in Table 2 below was prepared.
【０１１７】一方、不織布の一方の面（表面２１）側に
疎水化処理、他方の面（接合面２２）側に親水化処理を
施した基材層を用い、実施例３と同様にして、本発明の
角栓除去用シートを製造した。なお、疎水化処理および
親水化処理の方法は、実施例４と同様とした。角栓除去
層の厚さ（乾燥膜厚）は０．１４mmであった。On the other hand, in the same manner as in Example 3, using a base material layer in which one surface (surface 21) of the nonwoven fabric was subjected to a hydrophobic treatment and the other surface (bonding surface 22) was subjected to a hydrophilic treatment. The sheet for removing a plug according to the present invention was manufactured. The method of the hydrophobizing treatment and the hydrophilizing treatment was the same as in Example 4. The thickness (dry film thickness) of the keratin plug removal layer was 0.14 mm.
【０１１８】基材層と角栓除去層との重複部分の厚さ
は、基材層の厚さの２０％程度であった。また、上記式
［１］で示される乾燥減量率は、９％であった。The thickness of the overlapping portion between the substrate layer and the keratotic plug removal layer was about 20% of the thickness of the substrate layer. The drying loss rate represented by the above formula [1] was 9%.
【０１１９】（実施例７）角栓除去剤塗布液の組成を下
記表２に示すものとした以外は、実施例６と同様にし
て、本発明の角栓除去用シートを製造した。Example 7 A sheet for removing a plug according to the present invention was produced in the same manner as in Example 6, except that the composition of the coating solution for the plug was as shown in Table 2 below.
【０１２０】角栓除去層の厚さ（乾燥膜厚）は、０．２
mm、基材層と角栓除去層との重複部分の厚さは、基材層
の厚さの４５％程度であった。また、上記式［１］で示
される乾燥減量率は、９％であった。The thickness (dry film thickness) of the plug removal layer was 0.2
mm, the thickness of the overlapping portion of the base material layer and the square plug removal layer was about 45% of the thickness of the base material layer. The drying loss rate represented by the above formula [1] was 9%.
【０１２１】（実施例８）角栓除去剤塗布液の組成を下
記表２に示すものとした以外は、実施例６と同様にし
て、本発明の角栓除去用シートを製造した。(Example 8) A sheet for removing a plug according to the present invention was produced in the same manner as in Example 6, except that the composition of the coating solution for the plug was as shown in Table 2 below.
【０１２２】角栓除去層の厚さ（乾燥膜厚）は、０．２
５mm、基材層と角栓除去層との重複部分の厚さは、基材
層の厚さの２０％程度であった。また、上記式［１］で
示される乾燥減量率は、９％であった。The thickness (dry film thickness) of the plug removal layer was 0.2
The thickness of the overlapping portion of the base material layer and the square plug removal layer of 5 mm was about 20% of the thickness of the base material layer. The drying loss rate represented by the above formula [1] was 9%.
【０１２３】（比較例１）実施例１と同様の方法によ
り、下記表３に示す組成の角栓除去剤塗布液を調製し
た。Comparative Example 1 In the same manner as in Example 1, a coating solution for a keratotic plug having the composition shown in Table 3 below was prepared.
【０１２４】一方、基材層として、ポリエステル系繊維
よりなる不織布（繊度：１．０デニール、米坪量６０g/
m2、厚さ：０．５mm）を用意した。On the other hand, as the substrate layer, a non-woven fabric made of polyester fiber (fineness: 1.0 denier, rice basis weight 60 g /
m 2 , thickness: 0.5 mm).
【０１２５】次に、基材層の片面（接合面２２）に前記
塗布液を塗布、乾燥し、厚さ（乾燥膜厚）０．１５mmの
角栓除去層を形成した。Next, the coating solution was applied to one surface (bonding surface 22) of the base material layer and dried to form a 0.15 mm-thick (dry film thickness) square plug removal layer.
【０１２６】基材層と角栓除去層との重複部分の厚さ
は、基材層の厚さの７０％程度であった。The thickness of the overlapped portion between the base material layer and the plug removal layer was about 70% of the thickness of the base material layer.
【０１２７】以上のようにして、比較例の角栓除去用シ
ートを製造した。なお、この製造において、上記式
［１］で示される乾燥減量率は、９％であった。As described above, a sheet for removing a square plug of a comparative example was manufactured. In this production, the loss on drying represented by the above formula [1] was 9%.
【０１２８】（比較例２）基材層として、ポリプロピレ
ン系繊維よりなる不織布（繊度：２．５デニール、米坪
量４０g/m2、厚さ：０．５mm）を用いた以外は比較例１
と同様にして、比較例の角栓除去用シートを製造した。(Comparative Example 2) Comparative Example 1 except that a nonwoven fabric made of polypropylene fiber (fineness: 2.5 denier, rice basis weight: 40 g / m 2 , thickness: 0.5 mm) was used as the base material layer.
In the same manner as in the above, a sheet for removing a square plug of a comparative example was manufactured.
【０１２９】角栓除去層の厚さ（乾燥膜厚）は、０．１
４mm、基材層と角栓除去層との重複部分の厚さは、基材
層の厚さの７５％程度であった。また、上記式［１］で
示される乾燥減量率は、８％であった。The thickness (dry film thickness) of the plug removal layer is 0.1
The thickness of the overlapped portion of the base material layer and the plug removal layer was 4 mm, and was about 75% of the thickness of the base material layer. Further, the loss on drying represented by the above formula [1] was 8%.
【０１３０】（比較例３）基材層として、ポリエステル
系繊維よりなる不織布（繊度：５．２デニール、米坪量
８０g/m2、厚さ：０．７mm）を用いた以外は比較例１と
同様にして、比較例の角栓除去用シートを製造した。(Comparative Example 3) Comparative Example 1 except that a nonwoven fabric made of polyester fiber (fineness: 5.2 denier, rice basis weight 80 g / m 2 , thickness: 0.7 mm) was used as the base material layer. In the same manner as in the above, a sheet for removing a square plug of a comparative example was manufactured.
【０１３１】角栓除去層の厚さ（乾燥膜厚）は、０．１
４mm、基材層と角栓除去層との重複部分の厚さは、基材
層の厚さの８５％程度であった。また、上記式［１］で
示される乾燥減量率は、９％であった。The thickness (dry film thickness) of the plug removal layer was 0.1
4 mm, the thickness of the overlapping portion between the base material layer and the horn plug removal layer was about 85% of the thickness of the base material layer. The drying loss rate represented by the above formula [1] was 9%.
【０１３２】[0132]
【表１】 [Table 1]
【０１３３】[0133]
【表２】 [Table 2]
【０１３４】[0134]
【表３】 [Table 3]
【０１３５】＜試験＞実施例１〜８および比較例１〜３
で製造された各角栓除去用シートの諸性能を評価した。<Test> Examples 1 to 8 and Comparative Examples 1 to 3
Various performances of each sheet for removing square plugs manufactured in the above were evaluated.
【０１３６】まず、被験者（１０名）の鼻周辺部位を適
量の水（蒸留水）で濡らし、この部位に各角栓除去用シ
ートを角栓除去層にて貼付した。そのままの状態で１２
分間放置した後、角栓除去用シートを皮膚から剥離し
た。First, the area around the nose of the test subjects (10 persons) was wet with an appropriate amount of water (distilled water), and a sheet for removing each keratotic plug was attached to this part with a keratotic plug removing layer. 12 as it is
After standing for minutes, the sheet for removing keratotic plugs was peeled from the skin.
【０１３７】この試験により、角栓除去用シートの初
期貼付性（皮膚表面への密着性、曲面追従性）、角栓
除去剤の基材層表面へのしみ出し状況（裏抜けの発生状
況）、角栓除去性能、角栓除去剤の皮膚表面への残
存の度合い（剥離残渣の有無）および剥離時の刺激の
度合いの５項目について、各々以下のように５段階で評
価し、その平均値（点数）を求めた。According to this test, the initial sticking property of the keratotic plug removing sheet (adhesiveness to the skin surface and the ability to follow a curved surface) and the state of exuding the keratotic plug removing agent onto the surface of the base material layer (state of occurrence of strikethrough). , The keratotic plug removal performance, the degree of residual keratotic plug removal agent on the skin surface (presence or absence of peeling residue), and the degree of irritation at the time of peeling were evaluated in the following five steps, and the average value was evaluated as follows. (Point) was obtained.
【０１３８】これらの評価結果を、下記表４に示す。 ５：非常に良い ４：良い ３：普通 ２：悪い １：非常に悪いThe results of these evaluations are shown in Table 4 below. 5: Very good 4: Good 3: Normal 2: Bad 1: Very bad
【０１３９】なお、項目は、角栓除去用シートと皮膚
との間の浮き・しわの発生の度合により評価を行った。The items were evaluated by the degree of occurrence of floating and wrinkles between the sheet for removing keratotic plugs and the skin.
【０１４０】また、項目は、基材層表面を指で押圧
し、角栓除去剤の存在によるベタツキの度合いで評価し
た。Items were evaluated by pressing the surface of the base material layer with a finger and determining the degree of stickiness due to the presence of the keratotic plug remover.
【０１４１】また、項目は、剥離後の角栓除去層を目
視観察し、角栓除去層上に起立している角栓の数を数え
ることにより評価した。The items were evaluated by visually observing the stripped plug layer after peeling and counting the number of plugs standing on the stripped layer.
【０１４２】また、項目は、角栓除去剤の皮膚への残
存面積を調べることにより評価した。また、項目は、
皮膚から剥す際の痛みや不快感の度合いで評価した。The items were evaluated by examining the remaining area of the keratotic plug removing agent on the skin. The items are
Evaluation was made based on the degree of pain and discomfort when peeled from the skin.
【０１４３】[0143]
【表４】 [Table 4]
【０１４４】表４に示す結果からわかるように、実施例
１〜８の本発明の角栓除去用シートは、いずれも、皮膚
へ貼着した際の密着性、曲面追従性に優れ、また、角栓
除去剤の基材層表面へのしみ出し（裏抜け）もなく、優
れた角栓除去性能を発揮すること、さらには、角栓除去
剤の剥離残渣もなく、剥離時の刺激も少ないことが確認
された。As can be seen from the results shown in Table 4, the sheets for removing keratotic plugs of the present invention of Examples 1 to 8 are all excellent in adhesiveness when adhered to the skin and followability on a curved surface. Demonstrates excellent keratotic plug removal performance without exuding the keratotic plug remover to the surface of the base material layer (through-through). Furthermore, there is no peeling residue of the keratotic plug remover, and there is little irritation during peeling. It was confirmed that.
【０１４５】これに対し、比較例１〜３の各角栓除去用
シートは、貼着時における皮膚への曲面追従性が劣り、
皮膚に密着されない部分があった。また、角栓除去剤の
裏抜けによりベタツキを生じ、取り扱いがしにくかっ
た。このように曲面追従性が劣ることや、基材層と角栓
除去層との重複部分の厚さの比率が高いこと等から角栓
除去性能が低く、角栓除去剤の剥離残渣も生じていた。On the other hand, the sheets for removing keratotic plugs of Comparative Examples 1 to 3 were inferior in the ability to follow the curved surface to the skin when affixed.
Some parts did not adhere to the skin. In addition, stickiness occurred due to strike-through of the keratotic plug remover, making it difficult to handle. As described above, the curved surface following ability is inferior, and since the ratio of the thickness of the overlapping portion between the base material layer and the plug removing layer is high, the plug removing performance is low, and the peeling residue of the plug removing agent is also generated. Was.
【０１４６】[0146]
【発明の効果】以上述べたように、本発明によれば、貼
着する皮膚の曲面に対する曲面追従性に優れ、基材層と
角栓除去層との重複を抑制すること、さらには、皮膚へ
の密着性が良好であることにより、優れた角栓除去性能
を発揮する。As described above, according to the present invention, the curved surface of the skin to be affixed is excellent in following the curved surface, and the overlapping of the substrate layer and the keratotic plug removing layer is suppressed. Due to good adhesion to the surface, excellent keratotic plug removal performance is exhibited.
【０１４７】また、角栓除去剤の基材層表面へのしみ出
しがなく、取り扱いがし易い。加えて少ない角栓除去剤
の塗布量で優れた角栓除去性が得られるため、乾燥時間
が短く、角栓除去を短時間で簡便に効率良く行うことが
できる。Further, the keratotic plug removing agent does not exude to the surface of the base material layer, and is easy to handle. In addition, since excellent keratotic plug removal properties can be obtained with a small amount of keratotic plug removal agent, the drying time is short, and keratotic plug removal can be performed easily in a short time and efficiently.
【０１４８】また、剥離の際に角栓除去剤の皮膚への残
存が生じにくく、皮膚への刺激も少ない。In addition, the keratotic plug-removing agent hardly remains on the skin during peeling, and the skin is less irritated.
【０１４９】また、本発明の角栓除去用シートの製造方
法によれば、前記効果を有する角栓除去用シートを容易
に製造することができる。Further, according to the method of manufacturing a sheet for removing a plug according to the present invention, a sheet for removing a plug having the above-described effects can be easily manufactured.
【図１】本発明の角栓除去用シートの構成例を示す斜視
図である。FIG. 1 is a perspective view showing an example of the configuration of a sheet for removing a plug according to the present invention.
【図２】本発明の角栓除去用シートの層構成を模式的に
示す拡大断面図である。FIG. 2 is an enlarged cross-sectional view schematically showing a layer configuration of the sheet for removing a keratotic plug of the present invention.
１ 角栓除去用シート ２ 基材層 ２１ 表面 ２２ 接合面 ３ 角栓除去層 ３１ 貼着面 ４ 重複部分 DESCRIPTION OF SYMBOLS 1 Square plug removal sheet 2 Base layer 21 Surface 22 Joining surface 3 Square plug removal layer 31 Adhering surface 4 Overlapping part
Claims (12)
水溶性高分子材料を主成分とする角栓除去層とを積層し
てなる角栓除去用シートであって、 前記基材層は、繊度が０．０００１デニール以上０．１
デニール未満の繊維よりなる不織布で構成されているこ
とを特徴とする角栓除去用シート。1. A base layer having air permeability and flexibility,
It is a sheet for removing a plug, which is formed by laminating a plug removal layer containing a water-soluble polymer material as a main component, wherein the base material layer has a fineness of 0.0001 denier or more and 0.1 or more.
A sheet for removing a square plug, comprising a nonwoven fabric made of fibers having a density of less than denier.
ある請求項１に記載の角栓除去用シート。2. The sheet according to claim 1, wherein the thickness of the base layer is 0.05 to 1 mm.
m2である請求項１または２に記載の角栓除去用シート。3. The rice basis weight of the base layer is 20 to 200 g /
The sheet for removing keratotic plugs according to claim 1 or 2, which has a m 2 of 3.
の一部に含浸または埋入している請求項１ないし３のい
ずれかに記載の角栓除去用シート。4. The horn plug removal sheet according to claim 1, wherein the constituent material of the horn plug removal layer is impregnated or embedded in a part of the base material layer.
に含浸または埋入している部分の厚さは、前記基材層全
体の厚さの１〜６５％である請求項４に記載の角栓除去
用シート。5. The thickness of a portion of the base material layer impregnated with or embedded in the constituent material of the keratotic plug removal layer is 1 to 65% of the thickness of the entire base material layer. The sheet for removing keratotic plugs according to item 1.
処理が施されている請求項１ないし５のいずれかに記載
の角栓除去用シート。6. The keratin plug removal sheet according to claim 1, wherein at least one side of the base material layer is subjected to a hydrophilic treatment.
処理が施されている請求項１ないし５のいずれかに記載
の角栓除去用シート。7. The sheet for removing a keratotic plug according to claim 1, wherein a hydrophobic treatment is performed on at least one side of the base material layer.
Ｎ−ビニル−２−ピロリドンの共重合体である請求項１
ないし７のいずれかに記載の角栓除去用シート。8. The water-soluble polymer material is a copolymer of vinyl acetate and N-vinyl-2-pyrrolidone.
8. The sheet for removing keratotic plugs according to any one of claims 7 to 7.
ビニル−２−ピロリドンの共重合比が５：９５〜９５：
５である請求項８に記載の角栓除去用シート。9. The copolymer of vinyl acetate and N-
When the copolymerization ratio of vinyl-2-pyrrolidone is 5:95 to 95:
The sheet for removing keratotic plugs according to claim 8, which is 5.
１万〜３００万である請求項１ないし９のいずれかに記
載の角栓除去用シート。10. The keratotic plug removal sheet according to claim 1, wherein the water-soluble polymer material has an average molecular weight of 10,000 to 3,000,000.
１デニール未満の繊維よりなる不織布で構成された基材
層の片面に、水溶性高分子材料を主成分とする角栓除去
剤を塗布、乾燥して、角栓除去層を形成することを特徴
とする角栓除去用シートの製造方法。11. The fineness is 0.0001 denier or more.
A keratotic plug removal agent containing a water-soluble polymer material as a main component is applied to one surface of a base layer made of a nonwoven fabric made of fibers of less than 1 denier, and dried to form a keratotic plug removal layer. Production method of a sheet for removing a square plug.
１デニール未満の繊維よりなる不織布で構成された基材
層の片面に、水溶性高分子材料を主成分とする角栓除去
剤よりなる角栓除去層を転写法により接合することを特
徴とする角栓除去用シートの製造方法。12. A fineness of at least 0.0001 denier and at least 0.1.
The method is characterized in that, on one side of a base layer made of a nonwoven fabric made of fibers having a density of less than 1 denier, a plug removal layer made of a plug removal agent containing a water-soluble polymer material as a main component is bonded by a transfer method. A method for manufacturing a sheet for removing a square plug.
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17814798A JP3835929B2 (en) | 1998-06-10 | 1998-06-10 | Square plug removal sheet and method of manufacturing the same |
| AU33175/99A AU3317599A (en) | 1998-06-10 | 1999-06-03 | Blackhead removing agent, blackhead removing sheet, and method for producing blackhead removing sheet |
| US09/327,031 US6562357B2 (en) | 1998-06-10 | 1999-06-07 | Blackhead removing sheet and method for producing blackhead removing sheet |
| DE69912683T DE69912683T2 (en) | 1998-06-10 | 1999-06-08 | Blackhead removal agent and film and manufacturing process for this film |
| EP99111168A EP0965332B1 (en) | 1998-06-10 | 1999-06-08 | Blackhead removing agent, blackhead removing sheet, and method for producing blackhead removing sheet |
| CA002274294A CA2274294A1 (en) | 1998-06-10 | 1999-06-09 | Blackhead removing agent, blackhead removing sheet, and method for producing blackhead removing sheet |
| CN99110900A CN1243705A (en) | 1998-06-10 | 1999-06-10 | Preparation and plaster for treating comedones and method for preparing same |
| KR1019990021519A KR20000006074A (en) | 1998-06-10 | 1999-06-10 | Blackhead Removing Agent, Blackhead Removing Sheet, And Method For Producing Blackhead Removing Sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17814798A JP3835929B2 (en) | 1998-06-10 | 1998-06-10 | Square plug removal sheet and method of manufacturing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11349440A true JPH11349440A (en) | 1999-12-21 |
| JP3835929B2 JP3835929B2 (en) | 2006-10-18 |
Family
ID=16043469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17814798A Expired - Lifetime JP3835929B2 (en) | 1998-06-10 | 1998-06-10 | Square plug removal sheet and method of manufacturing the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3835929B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002098687A (en) * | 2000-07-18 | 2002-04-05 | Lintec Corp | Inspection agent for dermatropic pathogen |
| JP2005124916A (en) * | 2003-10-24 | 2005-05-19 | Daiwabo Co Ltd | Nonwoven fabric for beauty sheet and beauty sheet |
| JP2006298769A (en) * | 2005-04-15 | 2006-11-02 | Nitto Denko Corp | Sheet for makeup |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101922230B1 (en) * | 2016-12-09 | 2018-11-26 | 이호 | Patch laminate for removing black head and two part nose pack patch |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH041126A (en) * | 1990-04-18 | 1992-01-06 | Asahi Chem Ind Co Ltd | Dermal cataplasm |
| JPH1077212A (en) * | 1996-09-03 | 1998-03-24 | Lintec Corp | Sheet-shaped plug removal agent and method for producing the same |
-
1998
- 1998-06-10 JP JP17814798A patent/JP3835929B2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH041126A (en) * | 1990-04-18 | 1992-01-06 | Asahi Chem Ind Co Ltd | Dermal cataplasm |
| JPH1077212A (en) * | 1996-09-03 | 1998-03-24 | Lintec Corp | Sheet-shaped plug removal agent and method for producing the same |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002098687A (en) * | 2000-07-18 | 2002-04-05 | Lintec Corp | Inspection agent for dermatropic pathogen |
| JP2005124916A (en) * | 2003-10-24 | 2005-05-19 | Daiwabo Co Ltd | Nonwoven fabric for beauty sheet and beauty sheet |
| JP2006298769A (en) * | 2005-04-15 | 2006-11-02 | Nitto Denko Corp | Sheet for makeup |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3835929B2 (en) | 2006-10-18 |
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