JP5177669B2 - 導電性高分子組成物およびそれを用いた固体電解コンデンサ - Google Patents
導電性高分子組成物およびそれを用いた固体電解コンデンサ Download PDFInfo
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- BBBUAWSVILPJLL-UHFFFAOYSA-N 2-(2-ethylhexoxymethyl)oxirane Chemical compound CCCCC(CC)COCC1CO1 BBBUAWSVILPJLL-UHFFFAOYSA-N 0.000 description 1
- FDZMLNCJBYFJBH-UHFFFAOYSA-N 2-[(2,3-dibromophenoxy)methyl]oxirane Chemical compound BrC1=CC=CC(OCC2OC2)=C1Br FDZMLNCJBYFJBH-UHFFFAOYSA-N 0.000 description 1
- HHRACYLRBOUBKM-UHFFFAOYSA-N 2-[(4-tert-butylphenoxy)methyl]oxirane Chemical compound C1=CC(C(C)(C)C)=CC=C1OCC1OC1 HHRACYLRBOUBKM-UHFFFAOYSA-N 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/022—Electrolytes; Absorbents
- H01G9/025—Solid electrolytes
- H01G9/028—Organic semiconducting electrolytes, e.g. TCNQ
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- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
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Description
ポリスチレンスルホン酸イオンをドーパントとした導電性高分子ポリエチレンジオキシチオフェンと、エポキシ基を1つ持つアリルグリシジルエーテルとを水に溶解・分散させた導電性高分子懸濁溶液を、ガラス基板上に100μL滴下し、125℃の恒温槽中で、反応及び乾燥して、導電性高分子組成物膜を形成した。
エポキシ基を1つ持つ化合物にフェニルグリシジルエーテルを用いた以外は、実施例1と同様にして導電性高分子組成物膜を形成し、実施例1と同様にして、導電率および耐水性を評価した。
本発明の実施例3の固体電解コンデンサを図1を参照して説明する。弁作用金属1にタンタル微粉末の焼結体を選択した。図1に示すように、本発明の実施例3の固体電解コンデンサは、陽極側電極としての弁作用金属1と、この弁作用金属1の表面を陽極酸化して得た誘電体酸化皮膜層2と、固体電解質として導電性高分子層3と、グラファイト層4と銀層5からなる陰極層、外部電極7および外装樹脂9から構成されている。
本発明の実施例4の固体電解コンデンサを図1を参照して説明する。弁作用金属1にタンタル微粉末の焼結体を選択した。タンタル微粉末の焼結体を、リン酸水溶液中、陽極酸化し、タンタル微粉末表面全体が誘電体酸化皮膜層2で被覆されたペレットを得た。次に、酸化剤である20質量%のp−トルエンスルホン酸第二鉄エタノール溶液にこの誘電体酸化皮膜層2で被覆されたペレットを10分間浸漬し、60℃で30分乾燥させた後、3,4-エチレンジオキシチオフェン溶液に10分間浸漬して室温で30分間保持して3,4-エチレンジオキシチオフェンの重合を行った。これら酸化剤の充填および乾燥、3,4-エチレンジオキシチオフェンの充填を行う一連の重合操作を5回繰り返して、導電性ポリエチレンジオキシチオフェン層からなる化学重合からなる第1の導電性高分子層を形成した。
弁作用金属に多孔質性のアルミニウムを選択した以外には、実施例3と同様にして固体電解コンデンサを製造し、実施例3と同様にして、100kHzの周波数でESRを、製造直後および耐湿評価試験(1000時間)後に測定し、結果を表2に示した。
エポキシ基を1つ持つ化合物を含有せずに、ポリスチレンスルホン酸イオンをドーパントとした導電性高分子ポリエチレンジオキシチオフェンのみを水に溶解・分散させた導電性高分子懸濁溶液を用いた以外は、実施例1と同様にして導電性高分子組成物膜を形成し、実施例1と同様にして、スルホン基の状態、導電率および耐水性とを評価した。FTIRによる分析結果を図2に、導電率の測定結果および耐水性の評価結果を表1に示した。
エポキシ基を1つ持つ化合物の代わりに、エポキシ基を4つ持つソルビトールポリグリシジルエーテルを用いた以外は、実施例1と同様にして導電性高分子組成物膜を形成した。 実施例1と同様にして、導電率および耐水性とを評価し結果を表1に示した。
比較例2に記載の導電性高分子懸濁溶液を用いた以外は、実施例3と同様にして固体電解コンデンサを製造し、100kHzの周波数でESRを、製造直後および耐湿評価試験(1000時間)後に測定し、結果を表2に示した。
2 誘電体酸化皮膜層
3 導電性高分子層
4 グラファイト層
5 銀層
6 導電接着剤
7 外部電極
8 弁作用金属リード
9 外装樹脂
Claims (5)
- ポリ陰イオンをドーパントとした導電性高分子とエポキシ基を1つ持つ化合物を含有する導電性高分子懸濁溶液から得られ、前記ポリ陰イオンと前記エポキシ基を1つ持つ化合物を反応させ、乾燥させて形成された導電性高分子組成物であって、前記エポキシ基を1つ持つ化合物は、N−グリシジルフタルイミド、ポリ(1〜5)オキシアルキレン(C2〜4)フェニルグリシジルエーテル、ポリ(1〜5)オキシアルキレン(C2〜4)メチルフェニルグリシジルエーテル、アルキル(C8〜18)ポリオキシアルキレングリシジルエーテルのいずれかであることを特徴とする導電性高分子組成物。
- 前記ポリ陰イオンとエポキシ基を1つ持つ化合物を100℃以上250℃以下の加熱により反応させることを特徴とする請求項1に記載の導電性高分子組成物。
- 前記導電性高分子がチオフェン及びその誘導体のポリマーであることを特徴とする請求項1または2に記載の導電性高分子組成物。
- 前記ポリ陰イオンがポリスチレンスルホン酸由来のポリ陰イオンであることを特徴とする請求項1〜3のいずれか1項に記載の導電性高分子組成物。
- 前記請求項1〜4のいずれか1項に記載の導電性高分子組成物を固体電解質層に用いることを特徴とする固体電解コンデンサ。
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US12/585,652 US8388865B2 (en) | 2008-10-15 | 2009-09-21 | Conductive polymer composition, method of producing the same, and solid electrolytic capacitor |
DE102009048434A DE102009048434A1 (de) | 2008-10-15 | 2009-10-07 | Leitfähige Polymerzusammenfassung, Verfahren zu ihrer Herstellung und Festelektrolytkondensator |
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KR101139040B1 (ko) * | 2010-08-19 | 2012-04-30 | 데이카 가부시키가이샤 | 도전성 고분자 제조용 산화제겸 도판트 용액, 도전성 고분자와 고체 전해 콘덴서 |
JP5763960B2 (ja) * | 2011-04-08 | 2015-08-12 | Necトーキン株式会社 | 導電性高分子懸濁水溶液およびその製造方法、導電性有機材料、ならびに固体電解コンデンサおよびその製造方法 |
JP5441952B2 (ja) * | 2011-05-17 | 2014-03-12 | Necトーキン株式会社 | 導電性高分子懸濁溶液およびその製造方法、導電性高分子材料、ならびに電解コンデンサおよびその製造方法 |
CN107103997B (zh) * | 2011-05-24 | 2019-09-06 | 凯米特电子公司 | 电容器以及形成电容器的方法 |
JP2013171956A (ja) * | 2012-02-21 | 2013-09-02 | Nec Tokin Corp | 固体電解コンデンサ及びその製造方法、並びに導電性高分子組成物 |
JP6017148B2 (ja) * | 2012-02-23 | 2016-10-26 | Necトーキン株式会社 | 導電性高分子懸濁溶液、導電性高分子材料、ならびに電解コンデンサおよびその製造方法 |
US10879010B2 (en) * | 2012-02-27 | 2020-12-29 | Kemet Electronics Corporation | Electrolytic capacitor having a higher cap recovery and lower ESR |
KR102024975B1 (ko) * | 2013-02-15 | 2019-09-24 | 신에츠 폴리머 가부시키가이샤 | 도전성 조성물, 도전성 조성물의 제조 방법, 대전방지 수지 조성물 및 대전방지 수지 피막 |
TWI512046B (zh) * | 2013-02-15 | 2015-12-11 | Shinetsu Polymer Co | Hardened anti-charged organic polysiloxane composition and anti-charged polysiloxane film |
CN105431918B (zh) | 2013-07-24 | 2019-08-27 | 凯米特电子公司 | 用于电容器的具有双交联剂体系的导电聚合物组合物 |
JP6148988B2 (ja) * | 2014-01-10 | 2017-06-14 | 信越ポリマー株式会社 | 導電性高分子分散液及び導電性塗膜 |
JP6322007B2 (ja) * | 2014-03-17 | 2018-05-09 | 信越ポリマー株式会社 | キャパシタおよびその製造方法 |
JP6353299B2 (ja) * | 2014-07-07 | 2018-07-04 | 信越ポリマー株式会社 | 硬化性帯電防止フッ素含有樹脂組成物および帯電防止フッ素含有樹脂皮膜 |
JP6258142B2 (ja) * | 2014-07-17 | 2018-01-10 | 信越ポリマー株式会社 | 導電性高分子溶液および導電性塗膜 |
JP6418829B2 (ja) * | 2014-07-24 | 2018-11-07 | 信越ポリマー株式会社 | 導電性ポリマー溶液および導電性塗膜 |
CN108028133B (zh) * | 2015-09-08 | 2019-08-13 | 信越聚合物株式会社 | 导电性高分子溶液、电容器及电容器的制造方法 |
JP6452265B2 (ja) * | 2017-04-03 | 2019-01-16 | 信越ポリマー株式会社 | 導電性高分子分散液及び導電性塗膜 |
JP7269844B2 (ja) * | 2019-09-05 | 2023-05-09 | 信越ポリマー株式会社 | 高導電性複合体の製造方法、高導電性複合体の有機溶剤分散液の製造方法、導電性フィルムの製造方法 |
JP7462426B2 (ja) | 2020-01-28 | 2024-04-05 | 信越ポリマー株式会社 | 修飾型導電性複合体の製造方法、修飾型導電性複合体分散液の製造方法、及び導電性フィルムの製造方法 |
JP7462425B2 (ja) | 2020-01-28 | 2024-04-05 | 信越ポリマー株式会社 | 修飾型導電性複合体の製造方法、修飾型導電性複合体分散液の製造方法、及び導電性フィルムの製造方法 |
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JP4823542B2 (ja) * | 2005-03-22 | 2011-11-24 | 信越ポリマー株式会社 | 導電性高分子溶液及び導電性塗膜 |
JP2007103558A (ja) * | 2005-10-03 | 2007-04-19 | Shin Etsu Polymer Co Ltd | 固体電解質、電解コンデンサ及びにその製造方法 |
TWI460741B (zh) * | 2006-02-09 | 2014-11-11 | Shinetsu Polymer Co | 導電性高分子溶液、導電性塗膜、電容器,以及電容器之製造方法 |
JP4896637B2 (ja) * | 2006-09-05 | 2012-03-14 | 帝人デュポンフィルム株式会社 | 導電性フィルム |
JP4804336B2 (ja) * | 2006-12-27 | 2011-11-02 | 三洋電機株式会社 | 固体電解コンデンサ |
JP2010182426A (ja) * | 2009-02-03 | 2010-08-19 | Nec Tokin Corp | 導電性高分子組成物およびその製造方法、並びに導電性高分子組成物を用いた固体電解コンデンサ |
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JP2010095580A (ja) | 2010-04-30 |
US20100091432A1 (en) | 2010-04-15 |
CN101727999B (zh) | 2012-03-21 |
US8388865B2 (en) | 2013-03-05 |
DE102009048434A1 (de) | 2010-04-22 |
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