JP6947635B2 - 両面粘着シート、両面粘着シート接合体、および、被着体の接合・分離方法 - Google Patents
両面粘着シート、両面粘着シート接合体、および、被着体の接合・分離方法 Download PDFInfo
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Description
11,12,13,21,22,23 粘着剤層
30,30’,40,50 通電用基材
30a,40a,50a 延出部
31,41,51 基材
32,33,42,52 導電層
Y1,Y2,Y3,Y4,Y5,Y6 被着体
Z1,Z2,Z3 接合体
Claims (10)
- 第1の粘着剤層および第2の粘着剤層と、
前記第1および第2の粘着剤層の間に位置する第1通電用基材および第2通電用基材と、
前記第1および第2通電用基材の間に位置し、且つ、電解質を含有して前記第1および第2通電用基材と電気的に接続している第3の粘着剤層と、を含む積層構造を有し、
前記第1通電用基材は、第1方向に前記第3の粘着剤層よりも延びて露出する延出部を有し、前記第2通電用基材は、前記第1方向とは反対方向である第2方向に前記第3の粘着剤層よりも延びて露出する延出部を有する、
両面粘着シート。 - 電解質を含有する前記粘着剤層は、1〜1000μmの厚さを有する、請求項1に記載の両面粘着シート。
- 前記電解質はイオン液体である、請求項1または2に記載の両面粘着シート。
- 前記イオン液体を含有する前記粘着剤層は、前記イオン液体のアニオンとして、(FSO2)2N−,(CF3SO2)2N−,(CF3CF2SO2)2N−,(CF3SO2)3C−,CH3COO−,CF3COO−,CF3CF2CF2COO− ,CF3SO3 −,CF3(CF2)3SO3 −,Br−,AlCl4 −,Al2Cl7 −,NO3 −,BF4 −,PF6 −,AsF6 −,SbF6 −およびF(HF)n −からなる群より選択される少なくとも一種を含有する、請求項3に記載の両面粘着シート。
- 前記イオン液体を含有する前記粘着剤層は、前記イオン液体のカチオンとして、イミダゾリウム系カチオン、ピリジニウム系カチオン、ピロリジニウム系カチオン、およびアンモニウム系カチオンからなる群より選択される少なくとも一種を含有する、請求項3または4に記載の両面粘着シート。
- 前記電解質を含有する前記粘着剤層は、アクリル系ポリマーを含有する、請求項1から5のいずれか一つに記載の両面粘着シート。
- 前記電解質を含有する前記粘着剤層における電解質含有量は、前記アクリル系ポリマー100質量部に対して0.5〜30質量部である、請求項6に記載の両面粘着シート。
- 第1の粘着剤層、第2の粘着剤層、当該第1および第2の粘着剤層の間に位置する第1通電用基材および第2通電用基材、並びに、当該第1および第2通電用基材の間に位置し且つ電解質を含有して当該第1および第2通電用基材と電気的に接続している第3の粘着剤層と、を含む積層構造を有する両面粘着シートと、
前記第1の粘着剤層が貼着している第1被着体と、
前記第2の粘着剤層が貼着している第2被着体と、を含み、
前記第1通電用基材は、第1方向に前記第3の粘着剤層よりも延びて露出する延出部を有し、前記第2通電用基材は、前記第1方向とは反対方向である第2方向に前記第3の粘着剤層よりも延びて露出する延出部を有する、
両面粘着シート接合体。 - 前記電解質はイオン液体である、請求項8に記載の両面粘着シート接合体。
- 請求項1から7のいずれか一つに記載の両面粘着シートを介して第1被着体と第2被着体とを接合した後、電解質を有する前記粘着剤層の厚さ方向に電位差を生じるように当該粘着剤層に電圧を印加し、前記第1および第2被着体を分離させる、被着体の接合・分離方法。
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PCT/JP2016/074337 WO2017064925A1 (ja) | 2015-10-16 | 2016-08-22 | 両面粘着シート、両面粘着シート接合体、および、被着体の接合・分離方法 |
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US (1) | US11236256B2 (ja) |
EP (1) | EP3363873B1 (ja) |
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KR (1) | KR102612642B1 (ja) |
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WO (1) | WO2017064925A1 (ja) |
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EP3714019A1 (en) | 2017-11-21 | 2020-09-30 | Nitto Denko Corporation | Imidazolium fluorosulfonylimide ionic adhesive compositions and selective debonding thereof |
CN111630125B (zh) | 2017-11-21 | 2022-04-26 | 日东电工株式会社 | 碱性离子液体组合物及包含该组合物的元件 |
US20200299302A1 (en) | 2017-11-21 | 2020-09-24 | Nitto Denko Corporation | Basic cyclic amino-ammonium ionic liquids compositions and elements including the same |
EP3713998A1 (en) | 2017-11-21 | 2020-09-30 | Nitto Denko Corporation | Adhesive compositions comprising ionic compounds |
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