JP2009173915A - 粒子含有樹脂及びその製造方法 - Google Patents
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Abstract
【解決手段】 本発明の粒子含有樹脂の製造方法は、互いに対向して配置された一対の電極間に、粒子と、樹脂又は樹脂前駆体とを含有する原料混合物を配置する第1工程と、一対の電極間に電圧を印加して、原料混合物中の粒子を電界方向に配向させる第2工程と、一対の電極間に電圧を印加しながら、樹脂又は樹脂前駆体を固化させる第3工程とを有する。
【選択図】 図2
Description
FDEP=2πεma3Re[(ε p −ε m )/(ε p +2ε m )]∇E2 …(1)
ε=ε−(σ/ω)j …(2)
K(ω)=(ε p −ε m )/(ε p +2ε m ) …(3)
単層カーボンナノチューブ(SWCNTs)25mg及び3Mの硝酸を混合して、これを20分間超音波攪拌した。次に、得られた混合物を多量の純水で希釈した後、110℃に加熱して水分を蒸発させ、乾燥させた。この処理により、表面が水酸基及びカルボキシル基等によって修飾されたSWCNTsを得た。
SWCNTsの配向を行わなかったこと、すなわち、原料混合物を一対の電極101間に充填した後、電圧の印加を全く行わなかったこと以外は、実施例と同様にして粒子含有樹脂を形成した。
SWCNTsの濃度を0.1重量%としたこと、及び、SWCNTsの配向を行わなかったこと以外は、実施例1と同様にして粒子含有樹脂を形成した。
実施例1及び比較例1〜2で得られた膜状の粒子含有樹脂について、それぞれ電極101に挟まれたままの状態で、これらの膜厚方向(電極101の対向方向)及びこれと垂直な膜面方向の抵抗値をそれぞれ測定した。得られた結果を表1に示す。
実施例1及び比較例1〜2で得られた膜状の粒子含有樹脂について、それぞれ分光測定を行い、波長500nmの光に対する透過率を測定した。また同時に反射率も測定し、粒子含有樹脂の波長500nmの光の吸収率(100−透過率−反射率)も算出した。得られた結果を表1に示す。
第2工程における誘電泳動により粒子の配向が生じることを確認するため、次のような実験を行った。
(粒子含有樹脂の製造)
まず、実施例1と同様にして、表面が水酸基及びカルボキシル基等によって修飾されたSWCNTsを得た。
実施例2で得られた膜状の粒子含有樹脂の両面に厚さ50μmのAuをスパッタして、粒子含有樹脂を挟むように一対のAu電極を形成した。スパッタされた表面のAu電極の抵抗値は、約30Ωであった。
Claims (6)
- 互いに対向して配置された一対の電極間に、粒子と、樹脂又は樹脂前駆体と、を含有する原料混合物を配置する第1工程と、
前記一対の電極間に電圧を印加して、前記原料混合物中の前記粒子を電界方向に配向させる第2工程と、
前記一対の電極間に電圧を印加しながら、前記樹脂又は樹脂前駆体を固化させる第3工程と、
を有することを特徴とする、粒子含有樹脂の製造方法。 - 前記第2工程において、前記原料混合物中の前記粒子を、電界が強い方向に移動させることにより配向させる、ことを特徴とする請求項1記載の粒子含有樹脂の製造方法。
- 前記粒子として、繊維状粒子を含む、ことを特徴とする請求項1又は2記載の粒子含有樹脂の製造方法。
- 前記粒子として、繊維状粒子及び球状粒子を含む、ことを特徴とする請求項1又は2記載の粒子含有樹脂の製造方法。
- 前記第3工程後、前記一対の電極のうちの少なくとも一方を、前記粒子含有樹脂から分離する第4工程を更に有する、ことを特徴とする請求項1〜4のいずれか一項に記載の粒子含有樹脂の製造方法。
- 請求項1〜5のいずれか一項に記載の粒子含有樹脂の製造方法により得られたことを特徴とする粒子含有樹脂。
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013147378A (ja) * | 2012-01-19 | 2013-08-01 | Seiko Instruments Inc | 多層構造体及びその製造方法 |
JP2018181567A (ja) * | 2017-04-11 | 2018-11-15 | 信越ポリマー株式会社 | 電気コネクターおよびその製造方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2004002497A (ja) * | 2002-04-03 | 2004-01-08 | Fujikura Ltd | 高誘電率基板材料 |
JP2005220157A (ja) * | 2004-02-03 | 2005-08-18 | Dainippon Ink & Chem Inc | 硬化膜及び硬化膜からなる機能性媒体 |
JP2005306992A (ja) * | 2004-04-21 | 2005-11-04 | Dainippon Ink & Chem Inc | 機能性硬化膜 |
JP2007332224A (ja) * | 2006-06-13 | 2007-12-27 | Nitto Denko Corp | シート状複合材料及びその製造方法 |
JP2008274178A (ja) * | 2007-05-07 | 2008-11-13 | Tatsuhiro Takahashi | 炭素繊維配向連接フィルムの製造方法及び該製造方法により製造される炭素繊維配向連接フィルム |
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Publication number | Priority date | Publication date | Assignee | Title |
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JP2004002497A (ja) * | 2002-04-03 | 2004-01-08 | Fujikura Ltd | 高誘電率基板材料 |
JP2005220157A (ja) * | 2004-02-03 | 2005-08-18 | Dainippon Ink & Chem Inc | 硬化膜及び硬化膜からなる機能性媒体 |
JP2005306992A (ja) * | 2004-04-21 | 2005-11-04 | Dainippon Ink & Chem Inc | 機能性硬化膜 |
JP2007332224A (ja) * | 2006-06-13 | 2007-12-27 | Nitto Denko Corp | シート状複合材料及びその製造方法 |
JP2008274178A (ja) * | 2007-05-07 | 2008-11-13 | Tatsuhiro Takahashi | 炭素繊維配向連接フィルムの製造方法及び該製造方法により製造される炭素繊維配向連接フィルム |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013147378A (ja) * | 2012-01-19 | 2013-08-01 | Seiko Instruments Inc | 多層構造体及びその製造方法 |
JP2018181567A (ja) * | 2017-04-11 | 2018-11-15 | 信越ポリマー株式会社 | 電気コネクターおよびその製造方法 |
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