JP5563817B2 - ナノファイバシートの付着方法 - Google Patents
ナノファイバシートの付着方法 Download PDFInfo
- Publication number
- JP5563817B2 JP5563817B2 JP2009293518A JP2009293518A JP5563817B2 JP 5563817 B2 JP5563817 B2 JP 5563817B2 JP 2009293518 A JP2009293518 A JP 2009293518A JP 2009293518 A JP2009293518 A JP 2009293518A JP 5563817 B2 JP5563817 B2 JP 5563817B2
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- Prior art keywords
- nanofiber
- sheet
- layer
- base material
- nanofiber sheet
- 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.)
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Description
ナノファイバ層表面又は対象物表面を湿潤させた状態下に、前記ナノファイバシートにおける前記ナノファイバ層側の面を該表面に当接させるナノファイバシートの付着方法を提供するものである。
23℃・50%環境下においてナノファイバシート10のタック性を測定する。前記の流動体をスライドガラス上にスポイトを用いて滴下し(0.01〜0.1g)、均して直径2cmの円形に塗り広げて流動体の塗膜を形成する。その後、タッキング試験機((株)レスカ社製)用いて、Preload 200gf、Press Time 10secの条件でタック性を測定する。
ポリ乳酸樹脂(東レ(株)製L101(商品名))を、クロロホルムとジメチルホルムアミド(80:20重量比)に溶解して、9%の溶液を得た。この溶液を用い、図3に示すエレクトロスピニング法の装置によって、基材層となるべきフィルムの表面にナノファイバ層を形成した。ナノファイバの製造条件は次のとおりである。
・印加電圧:17kV
・キャピラリ−コレクタ間距離:150mm
・水溶液吐出量:1ml/h
・環境:25℃、30%RH
実施例1で用いたポリエチレンテレフタレートフィルムに代えて、ポリエチレンテレフタレート製のメッシュシート(目開き:120メッシュ/インチ、線径:63μm)を用いた。このメッシュシートには剥離処理は施されていない。このメッシュシートの透気抵抗度は0.1秒/100ml以下、テーバーこわさは0.13mNmであった。これ以外は実施例1と同様にして、図1に示す構造のナノファイバシートを得た。得られたナノファイバシートを用い、実施例1と同様の転写を行ったところ、ナノファイバ層が首尾良くヒトの肌に転写した。
実施例1で用いたポリエチレンテレフタレートフィルムに代えて、坪量78g/m2、厚さ0.09mmのPPC用紙を用いた。この紙の透気抵抗度は21秒、テーバーこわさは0.12mNmであった。これ以外は実施例1と同様にして、図1に示す構造のナノファイバシートを得た。また、実施例1で用いた水に代えて、15%プルランの水溶液(タック性(25℃):59.9g、粘度(25℃、10rpm):560mPa・s)を用いて、ヒトの上腕の肌を予め湿潤させた。得られたナノファイバシートを用い、実施例1と同様の転写を行ったところ、実施例1よりも一層首尾良くナノファイバ層がヒトの肌に転写した。
実施例3で用いた15%プルランの水溶液に代えて、10%プルランの水溶液(タック性(23℃):10.7g、粘度(23℃、10rpm):123mPa・s)を用いて、ヒトの上腕の肌を予め湿潤させた。これ以外は実施例3と同様にして、ナノファイバシートの転写を行ったところ、実施例1よりも一層首尾良くナノファイバ層がヒトの肌に転写した。
実施例3で用いた15%プルランの水溶液に代えて、30%プルランの水溶液(タック性(23℃):306.5g)を用いて、ヒトの上腕の肌を予め湿潤させた。これ以外は実施例3と同様にして、ナノファイバシートの転写を行ったところ、実施例1よりも一層首尾良くナノファイバ層がヒトの肌に転写した。
実施例3で用いた15%プルランの水溶液に代えて、ウレタン系溶液(アクゾノーベル(株)製、DynamX)(タック性(23℃):868g)を用いて、ヒトの上腕の肌を予め湿潤させた。これ以外は実施例3と同様にして、ナノファイバシートの転写を行ったところ、実施例1よりも一層ナノファイバ層が首尾良くヒトの肌に転写した。
実施例3で用いた15%プルランの水溶液に代えて、トリメチルシロキシケイ酸の水溶液(信越化学(株)性、KF−9021)(タック性(23℃):1862g)を用いて、ヒトの上腕の肌を予め湿潤させた。これ以外は実施例3と同様にして、ナノファイバシートの転写を行ったところ、ナノファイバ層が首尾良くヒトの肌に転写した。
実施例3で用いた15%プルランの水溶液に代えて、花王(株)製の化粧液である「ソフィーナ(登録商標)・リンクル・セラティ・エッセンス」(タック性(25℃):8.6g、粘度(25℃、10rpm):600mPa・s)を用いて、ヒトの上腕の肌を予め湿潤させた。これ以外は実施例3と同様にして、ナノファイバシートの転写を行ったところ、実施例1よりも一層首尾良くナノファイバ層がヒトの肌に転写した。
実施例1で用いたポリエチレンテレフタレートフィルムに代えて、坪量40g/m2、厚さ0.28mmのスパンボンド不織布を用いた。この不織布の構成繊維は、芯がポリエチレンテレフタレートからなり、鞘がポリエチレンからなる芯鞘型複合繊維であった。この不織布の透気抵抗度は0.1秒/100ml、テーバーこわさは0.06mNmであった。これ以外は実施例1と同様にして、図1に示す構造のナノファイバシートを得た。また、実施例1で用いた水に代えて、15%プルランの水溶液(タック性(25℃):59.9g、粘度(25℃、10rpm):560mPa・s)を用いて、ヒトの上腕の肌を予め湿潤させた。得られたナノファイバシートを用い、実施例1と同様の転写を行ったところ、実施例1よりも一層首尾良くナノファイバ層がヒトの肌に転写した。
11 ナノファイバ層
12 基材層
20 ナノファイバ
Claims (5)
- 高分子化合物のナノファイバから形成されるナノファイバ層と、該ナノファイバ層の一方の面側に配された基材層とを備えたナノファイバシートを、対象物の表面に付着させるナノファイバシートの付着方法であって、
前記基材層が、通気性を有するシートからなり、
前記基材層が、前記ナノファイバ層と剥離可能に積層されており、
ナノファイバ層表面又は対象物表面を湿潤させた状態下に、前記ナノファイバシートにおける前記ナノファイバ層側の面を該表面に当接させた後、該ナノファイバシートから前記基材層を剥離して、前記ナノファイバ層を前記表面に転写するナノファイバシートの付着方法。 - 前記基材層のテーバーこわさが0.01〜0.4mNmである請求項1に記載のナノファイバシートの付着方法。
- 前記ナノファイバの直径が10〜1000nmである請求項1又は2に記載のナノファイバシートの付着方法。
- 通気性を有する前記シートの透気抵抗度(ガーレー)が30秒/100ml以下である請求項1ないし3のいずれかに記載のナノファイバシートの付着方法。
- ナノファイバ層表面又は対象物表面を湿潤させるために用いられる流動体のタック性が3〜2000gfである請求項1ないし4のいずれかに記載のナノファイバシートの付着方法。
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-
2009
- 2009-12-24 JP JP2009293518A patent/JP5563817B2/ja active Active
- 2009-12-25 US US13/133,066 patent/US20110256397A1/en not_active Abandoned
- 2009-12-25 WO PCT/JP2009/071560 patent/WO2010074213A1/ja active Application Filing
- 2009-12-25 EP EP09835009.3A patent/EP2371528B1/en active Active
- 2009-12-25 CN CN2009801505941A patent/CN102245378A/zh active Pending
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JP2010167780A (ja) | 2010-08-05 |
CN102245378A (zh) | 2011-11-16 |
US20110256397A1 (en) | 2011-10-20 |
EP2371528B1 (en) | 2021-10-13 |
EP2371528A4 (en) | 2012-08-01 |
EP2371528A1 (en) | 2011-10-05 |
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