JP5129925B2 - 貼付剤 - Google Patents
貼付剤 Download PDFInfo
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- JP5129925B2 JP5129925B2 JP2005353322A JP2005353322A JP5129925B2 JP 5129925 B2 JP5129925 B2 JP 5129925B2 JP 2005353322 A JP2005353322 A JP 2005353322A JP 2005353322 A JP2005353322 A JP 2005353322A JP 5129925 B2 JP5129925 B2 JP 5129925B2
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- Prior art keywords
- support
- patch
- adhesive layer
- fabric
- knitting
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Description
前記支持体が、前記粘着剤層が配置されていない他方の面に、凸部の面積比率が3〜25%の凸金型を150〜200℃の加熱温度で熱プレスすることによって形成された凹部を有し、
前記支持体の前記凹部が形成されている部分の厚みが、前記支持体の前記凹部が形成されていない部分の厚みの1/5〜2/3であり、且つ、
前記支持体の30%モジュラスが経緯ともに460g/5cm以下であること、
を特徴とするものである。
また、前記主モノマーと共重合させる共重合モノマーとしては、例えば、メチルアクリレート、ヒドロキシエチルアクリレート、ヒドロキシプロピルアクリレート、ヒドロキシブチルアクリレート、ジエチルアミノエチルメタクリレート、イソプロピルアクリルアミド等の(メタ)アクリル酸エステル類、(メタ)アクリル酸アミド類の他、アクリル酸、ビニルピロリドン、酢酸ビニル等を共重合したものが挙げられる。このような共重合モノマーの配合比率としては、0〜50質量%の範囲であることが好ましい。
十分な伸縮性を発揮でき、しかも十分な粘着性と優れた投錨性とを発揮することが可能となる。
<編布の製造>
10%捲縮処理した50デニールのポリエステルマルチフィラメント加工糸(フィラメントカウント50)を、コースが約60/インチでウェールが41/インチの編地密度で、目付が約100g/m2の両面ゴム編に編成して、厚みが500μmの編布を得た。
メーカー名として「HISAMITSU」という文字(線幅4mm)を彫刻したプレス比率8%の凸金型ロール(加熱温度190℃)とアンビルロール(温度70℃)とを隙間が40μmとなるようにして対向させて平行に配置した。その後、上述のようにして得られた編布を前記隙間に速度3m/min、張力0g/cm(ウェブの自重以外特に張力を加えない懸垂状態)の条件で通して、一方の面に凹部が形成された本発明にかかる支持体を得た。このようにして得られた支持体においては、凹部の形成された部分の厚みが166μmであった。
凸金型ロールの加熱温度220℃とした以外は、製造例1と同様にして一方の面に凹部が形成された比較としての支持体を得た。このようにして得られた支持体においては、凹部の形成された部分の厚みは100μmであった。
〔顕微鏡観察〕
製造例1で得られた支持体について、電子顕微鏡写真を撮影した。製造例1で得られた支持体の電子顕微鏡写真を図1〜4に示す。図1は前記支持体の凸金型ロールに接した側の面の電子顕微鏡写真であり、図2は前記支持体のアンビルロールに接した側の面の電子顕微鏡写真であり、図3は前記支持体の断面の電子顕微鏡写真であり、図4は支持体の凸金型ロールに接した側の面の凹部(白っぽい部分)周辺の電子顕微鏡写真である。
先ず、製造例1及び製造例2で得られた支持体から、幅50mm、長さ200mmの検体をそれぞれ製造した。次に、このようにして得られた検体をインストロン型引張試験機に装着し、速度200mm/minにて伸長させて30%歪時の張力(N)を測定した。得られた結果を表1に示す。なお、表中の数値の単位はg/5cmである。
製造例1で得られた支持体を用い、粘着剤層を表2に示す組成として実施例1及び実施例2の貼付剤を調製した。すなわち、先ず、窒素雰囲気下で、表2中のケトプロフェンを除く成分を混合し、150℃の温度条件下で攪拌して混合物を得た。次に、ケトプロフェンを前記混合物中に添加し、加熱攪拌して均一な溶解物を得た。次いで、得られた溶解物をポリエステルライナー上に厚み100μmとなるようにして展延させて、ポリエステルライナー上に粘着剤層を形成せしめた後、その粘着剤層の表面上に製造例1で得られた本発明にかかる支持体を積層させ、縦7cm、横10cmに裁断して本発明の貼付剤を得た。なお、表2中の数値の単位は質量%である。
製造例2で得られた支持体を用い、粘着剤層を表3に示す組成とした以外は実施例1と同様にして比較としての貼付剤を製造した。なお、表3中の数値の単位は質量%である。
〔粘着性の試験〕
実施例1〜2及び比較例1〜2で得られた貼付剤について、180度剥離試験を行った。すなわち、先ず、実施例1〜2及び比較例1〜2で得られた貼付剤から、それぞれ縦1.8cm、横14cmの検体を製造した。次に、得られた検体をベークライト板に貼り付けて30分静置した後、これをインストロン型引張試験機に装着して速度300mm/minで180度引き剥がし、引き剥がしに要する力(N)を測定した。結果を表4に示す。
実施例1〜2及び比較例1〜2で得られた貼付剤について、投錨性の試験を行った。すなわち、先ず、実施例1〜2及び比較例1〜2で得られた貼付剤から、縦1.8cm、横14cmの検体を、それぞれ10体製造した。次に、得られた10体の検体を用いて、上記180度剥離試験と同様の剥離試験を繰り返し行い、それぞれの検体の投錨破壊が観察されるまでの剥離試験の回数を測定し、その平均回数を求めた。結果を表4に示す。
Claims (4)
- ポリエチレンテレフタレートを主材質とする繊維の編布であり、目付けが50〜200g/m 2 であり且つ厚みが200〜1000μmである織布からなる支持体と、前記支持体の一方の面に配置された粘着剤層とを備え、
前記支持体が、前記粘着剤層が配置されていない他方の面に、凸部の面積比率が3〜25%の凸金型を150〜200℃の加熱温度で熱プレスすることによって形成された凹部を有し、
前記支持体の前記凹部が形成されている部分の厚みが、前記支持体の前記凹部が形成されていない部分の厚みの1/5〜2/3であり、且つ、
前記支持体の30%モジュラスが経緯ともに460g/5cm以下であること、
を特徴とする貼付剤。 - 前記凹部が、線幅が5mm以下の線状の凹部であることを特徴とする請求項1に記載の貼付剤。
- 前記織布が両面メリヤス編からなることを特徴とする請求項1又は2に記載の貼付剤。
- 前記粘着剤層が熱可塑性ゴムを含有し、実質的に水分を含有せず、且つ、厚みが30〜300μmであることを特徴とする請求項1〜3のうちのいずれか一項に記載の貼付剤。
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HUE047985T2 (hu) | 2006-08-04 | 2020-05-28 | Hisamitsu Pharmaceutical Co | Ragasztóanyag készítmény |
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JP7516810B2 (ja) | 2020-03-30 | 2024-07-17 | Toppanホールディングス株式会社 | 貼付剤支持体用フィルム、積層体、及び貼付剤 |
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JP3595057B2 (ja) * | 1996-02-09 | 2004-12-02 | 花王株式会社 | シート状化粧料組成物 |
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JP2001231812A (ja) * | 2000-02-25 | 2001-08-28 | Teikoku Seiyaku Co Ltd | 貼付剤用支持体およびそれを用いた外用貼付剤 |
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