JP5563478B2 - 誘電体材料の電荷を変更するための装置及び方法 - Google Patents
誘電体材料の電荷を変更するための装置及び方法 Download PDFInfo
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Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/06—Eliminating residual charges from a reusable imaging member
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
- G03G15/0208—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
- G03G15/0291—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices corona discharge devices, e.g. wires, pointed electrodes, means for cleaning the corona discharge device
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/65—Apparatus which relate to the handling of copy material
- G03G15/6597—Apparatus which relate to the handling of copy material the imaging being conformed directly on the copy material, e.g. using photosensitive copy material, dielectric copy material for electrostatic printing
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/00362—Apparatus for electrophotographic processes relating to the copy medium handling
- G03G2215/00443—Copy medium
- G03G2215/00451—Paper
- G03G2215/00455—Continuous web, i.e. roll
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Elimination Of Static Electricity (AREA)
Description
ウェブ(例、ポリマーウェブ)上の帯電は、ウェブが様々なローラー、バー、及び他のウェブ処理機器の上及び周囲を移動するウェブ処理工程において頻繁に発生する。ウェブ上の帯電が多くの原因から生じることがあり、様々なロール及び機器とウェブとの接触及び遊離、フィルムのロールの巻き出し/巻取り、電子ビーム又はコロナ処理(交流又は直流)へのウェブの曝露が挙げられる。ウェブ内/ウェブ上の電荷は、キャスト成形中のフィルムの静電ピン止め処理のような先行する工程からも存在する場合がある。ウェブ上の帯電は、精密なコーティングの領域では有害となる恐れがあるが、それはスパーク着火の危険性のためだけではなく、これらの帯電が、続いてコーティングされる液体層の崩壊を引き起こして、望ましくないパターンを形成する場合があるためである。(例えば、「Coating & Drying Defects」,Gutoff and Cohen,Wiley,NY,1995を参照)。不均一な電荷パターンばかりでなく、均一な電荷も、コーティング欠陥を発生させる場合がある。
市販の中性化システム、例えば、イオン化した空気の源を供給する空気イオン化装置もある。空気は本来、イオンを含んでいる。しかしながらこのイオンの量は、静電気に敏感な機器を保護するために急速に帯電を中性化するには、多くの場合十分ではない。更に、クリーンルームにおいては空気中のイオンはHEPA及びULPAフィルタで除去されている。
下記の非制限的な実施例は、本開示の様々な実施形態を示すものである。
エタノール、Pharmco Brand,200 Proof
イソプロパノール、研究室供給のバルク品より
メチルエチルケトン、研究室供給のバルク品より
アセトン、研究室供給のバルク品より
ヘプタン、研究室供給のバルク品より
トルエン、研究室供給のバルク品より
脱イオン水、研究室建造物へ供給される脱イオン水より
水道水、近郊の水処理センター(Woodbury市街、MN)より
食卓塩、Morton食卓塩、食堂供給品より
3M Fluorad FC−171、0.01重量%、推定22ダイン/cmの表面張力
図9の装置を、それぞれメタノール、エタノール、イソプロパノール(IPA)、メチルエチルケトン(MEK)、アセトン、ヘプタン、トルエン、脱イオン水、水道水、塩水、及びFluorad FC−171を、中性化組立体50内に存在する溶媒として使用し、操作した。
(2)ウェブライン試験での結果が不良であった、脱イオン水、ヘプタン、トルエンなど、及び
(3)3M Novec HFE−7100、7200、及び7500(最高沸点)のような未試験の溶媒。
下記の非制限的な実施例は、本開示の様々な実施形態を示すものである。
Claims (3)
- 誘電体材料上の電荷を修正する方法であって、前記方法は、
不均一な帯電分布を表面上に有する誘電体材料を得る工程であって、前記帯電分布は接地電位に対して測定されている工程と、
前記誘電体材料の前記表面に、少なくとも18.51かつ32.7以下の誘電率を有する少なくとも弱導電性の液体を塗布する工程と、
前記少なくとも弱導電性の液体を前記表面から少なくとも部分的に除去し、均一な帯電を前記表面上に残す工程と、を含む方法。 - 誘電体材料上に帯電パターンを生成する方法であって、前記方法は、
第1帯電電位を有する誘電体材料を得る工程と、
少なくとも18.51かつ32.7以下の誘電率を有する少なくとも弱導電性の液体を前記誘電体材料の第1部分に塗布する工程であって、前記少なくとも弱導電性の液体が第2帯電電位を有する、工程と、
前記弱導電性の液体を前記誘電体材料の前記第1部分から少なくとも部分的に除去し、均一な帯電を前記誘電体材料の前記第1部分上に残す工程と、を含む方法。 - 誘電体材料の細長いウェブを中性化する方法であって、前記方法は、
少なくとも18.51かつ32.7以下の誘電率を有する少なくとも弱導電性の液体を接地電位と電気的に結合する工程と、
前記接地電位と完全には等しくない帯電電位を有する誘電体材料を得る工程と、
連続する前記ウェブの一部分を前記弱導電性の液体に浸漬し、細長い前記ウェブの前記一部分を完全に覆って、細長い前記ウェブ上の電荷を中性化する工程と、
連続する前記ウェブの前記一部分を前記弱導電性の液体から取り出す工程と、
前記浸漬後に、連続する前記ウェブから前記弱導電性の液体を少なくとも部分的に乾燥させる工程と、を含む方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US1596707P | 2007-12-21 | 2007-12-21 | |
US61/015,967 | 2007-12-21 | ||
PCT/US2008/086982 WO2009085751A1 (en) | 2007-12-21 | 2008-12-16 | Apparatus and methods for altering charge on a dielectric material |
Publications (3)
Publication Number | Publication Date |
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JP2011509501A JP2011509501A (ja) | 2011-03-24 |
JP2011509501A5 JP2011509501A5 (ja) | 2012-01-12 |
JP5563478B2 true JP5563478B2 (ja) | 2014-07-30 |
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JP2010539702A Expired - Fee Related JP5563478B2 (ja) | 2007-12-21 | 2008-12-16 | 誘電体材料の電荷を変更するための装置及び方法 |
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US (1) | US8605406B2 (ja) |
EP (1) | EP2235595A1 (ja) |
JP (1) | JP5563478B2 (ja) |
KR (1) | KR101569539B1 (ja) |
CN (1) | CN102016727B (ja) |
BR (1) | BRPI0819536A2 (ja) |
WO (1) | WO2009085751A1 (ja) |
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KR101569539B1 (ko) * | 2007-12-21 | 2015-11-16 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 유전체 재료 상의 전하를 변경시키기 위한 장치 및 방법 |
DE102014000931B4 (de) * | 2014-01-24 | 2018-08-16 | Paragon Ag | Verfahren zum Betrieb einer Ionisatorvorrichtung und Ionisatorvorrichtung zur Beaufschlagung von Luft, z.B. der Innenraumluft von Kraftfahrzeugen, mit negativen Ionen" |
JP6380099B2 (ja) * | 2014-12-29 | 2018-08-29 | 東レ株式会社 | ポリオレフィン微多孔フィルムの表面処理方法、表面帯電装置及びポリオレフィン微多孔フィルム |
US10606969B2 (en) * | 2017-10-12 | 2020-03-31 | The Boeing Company | Predicting electrostatic charges in a liquid container |
JP7006377B2 (ja) * | 2018-02-28 | 2022-01-24 | コニカミノルタ株式会社 | 中間転写ベルト及び画像形成装置 |
WO2020086059A1 (en) | 2018-10-23 | 2020-04-30 | Hewlett-Packard Development Company, L.P. | Polarity fixation of ink particles |
CN116351571A (zh) * | 2023-03-24 | 2023-06-30 | 北京纳米能源与系统研究所 | 液体所带电性的动态调节方法及其应用 |
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US2967119A (en) | 1958-09-08 | 1961-01-03 | Lipsner Smith Corp | Ultrasonic process and apparatus |
US3204247A (en) | 1959-12-24 | 1965-08-31 | Burroughs Corp | Electrostatic data display |
US3462286A (en) * | 1963-07-16 | 1969-08-19 | Gevaert Photo Prod Nv | Method of coating webs with photographic emulsions or other liquid compositions utilizing an electric field |
US3730753A (en) * | 1971-07-30 | 1973-05-01 | Eastman Kodak Co | Method for treating a web |
US3806355A (en) * | 1972-03-20 | 1974-04-23 | A Kaufman | Electrostatic printing apparatus and method |
US3921179A (en) | 1973-04-16 | 1975-11-18 | Xerox Corp | Fluid pen assembly |
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KR101569539B1 (ko) * | 2007-12-21 | 2015-11-16 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 유전체 재료 상의 전하를 변경시키기 위한 장치 및 방법 |
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US8605406B2 (en) | 2013-12-10 |
US20110192977A1 (en) | 2011-08-11 |
BRPI0819536A2 (pt) | 2015-05-26 |
JP2011509501A (ja) | 2011-03-24 |
KR20100099303A (ko) | 2010-09-10 |
CN102016727A (zh) | 2011-04-13 |
CN102016727B (zh) | 2015-05-06 |
EP2235595A1 (en) | 2010-10-06 |
WO2009085751A1 (en) | 2009-07-09 |
KR101569539B1 (ko) | 2015-11-16 |
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