ATE139054T1 - Verfahren zur herstellung eines elektrets, eines filmelektrets sowie eines elektretfilters - Google Patents

Verfahren zur herstellung eines elektrets, eines filmelektrets sowie eines elektretfilters

Info

Publication number
ATE139054T1
ATE139054T1 AT91302033T AT91302033T ATE139054T1 AT E139054 T1 ATE139054 T1 AT E139054T1 AT 91302033 T AT91302033 T AT 91302033T AT 91302033 T AT91302033 T AT 91302033T AT E139054 T1 ATE139054 T1 AT E139054T1
Authority
AT
Austria
Prior art keywords
electret
film
producing
article
produce
Prior art date
Application number
AT91302033T
Other languages
English (en)
Inventor
Satoshi Matsuura
Yoshio Shinagawa
Original Assignee
Mitsui Petrochemical Ind
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsui Petrochemical Ind filed Critical Mitsui Petrochemical Ind
Application granted granted Critical
Publication of ATE139054T1 publication Critical patent/ATE139054T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
    • B01D39/083—Filter cloth, i.e. woven, knitted or interlaced material of organic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/28—Plant or installations without electricity supply, e.g. using electrets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
    • H01G7/02—Electrets, i.e. having a permanently-polarised dielectric
    • H01G7/021—Electrets, i.e. having a permanently-polarised dielectric having an organic dielectric
    • H01G7/023—Electrets, i.e. having a permanently-polarised dielectric having an organic dielectric of macromolecular compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04—Additives and treatments of the filtering material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04—Additives and treatments of the filtering material
    • B01D2239/0435—Electret
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/10—Filtering material manufacturing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/08—Fibrillating cellular materials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/48—Processes of making filters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S55/00—Gas separation
    • Y10S55/05—Methods of making filter
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S55/00—Gas separation
    • Y10S55/39—Electrets separator

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Materials (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Artificial Filaments (AREA)
AT91302033T 1990-03-12 1991-03-12 Verfahren zur herstellung eines elektrets, eines filmelektrets sowie eines elektretfilters ATE139054T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6070590 1990-03-12
JP31318290 1990-11-19

Publications (1)

Publication Number Publication Date
ATE139054T1 true ATE139054T1 (de) 1996-06-15

Family

ID=26401762

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91302033T ATE139054T1 (de) 1990-03-12 1991-03-12 Verfahren zur herstellung eines elektrets, eines filmelektrets sowie eines elektretfilters

Country Status (7)

Country Link
US (1) US5256176A (de)
EP (1) EP0447166B1 (de)
AT (1) ATE139054T1 (de)
CA (1) CA2037942A1 (de)
DE (1) DE69119948T2 (de)
HK (1) HK14197A (de)
SG (1) SG64858A1 (de)

Families Citing this family (69)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04330907A (ja) * 1991-05-02 1992-11-18 Mitsui Petrochem Ind Ltd エレクトレットフィルターの製造方法
EP0656816A1 (de) * 1992-07-30 1995-06-14 E.V.E. Holdings Limited Elektrostatischer filter
US5401446A (en) * 1992-10-09 1995-03-28 The University Of Tennessee Research Corporation Method and apparatus for the electrostatic charging of a web or film
US5863312A (en) * 1992-10-23 1999-01-26 Wolfe; Michael Non-entraining filter
CN1052042C (zh) * 1993-08-17 2000-05-03 美国3M公司 使驻极体过滤介质充电的方法
CA2124237C (en) 1994-02-18 2004-11-02 Bernard Cohen Improved nonwoven barrier and method of making the same
CA2136576C (en) 1994-06-27 2005-03-08 Bernard Cohen Improved nonwoven barrier and method of making the same
WO1996017569A2 (en) 1994-12-08 1996-06-13 Kimberly-Clark Worldwide, Inc. Method of forming a particle size gradient in an absorbent article
CA2153278A1 (en) 1994-12-30 1996-07-01 Bernard Cohen Nonwoven laminate barrier material
KR100340352B1 (ko) * 1995-02-21 2005-02-02 니혼바이린 가부시기가이샤 피처리유전체로일렉트릿물체를제조하는방법및그제조장치
US5645627A (en) * 1995-02-28 1997-07-08 Hollingsworth & Vose Company Charge stabilized electret filter media
MX9709101A (es) 1995-05-25 1998-02-28 Kimberly Clark Co Matriz de filtro.
ZA965786B (en) 1995-07-19 1997-01-27 Kimberly Clark Co Nonwoven barrier and method of making the same
US5908598A (en) * 1995-08-14 1999-06-01 Minnesota Mining And Manufacturing Company Fibrous webs having enhanced electret properties
US5834384A (en) 1995-11-28 1998-11-10 Kimberly-Clark Worldwide, Inc. Nonwoven webs with one or more surface treatments
US6162535A (en) 1996-05-24 2000-12-19 Kimberly-Clark Worldwide, Inc. Ferroelectric fibers and applications therefor
US6238466B1 (en) * 1997-10-01 2001-05-29 3M Innovative Properties Company Electret articles and filters with increased oily mist resistance
US6068799A (en) * 1997-10-01 2000-05-30 3M Innovative Properties Company Method of making electret articles and filters with increased oily mist resistance
US6537932B1 (en) 1997-10-31 2003-03-25 Kimberly-Clark Worldwide, Inc. Sterilization wrap, applications therefor, and method of sterilizing
US6365088B1 (en) 1998-06-26 2002-04-02 Kimberly-Clark Worldwide, Inc. Electret treatment of high loft and low density nonwoven webs
US6759356B1 (en) 1998-06-30 2004-07-06 Kimberly-Clark Worldwide, Inc. Fibrous electret polymeric articles
US6123752A (en) * 1998-09-03 2000-09-26 3M Innovative Properties Company High efficiency synthetic filter medium
US6573205B1 (en) 1999-01-30 2003-06-03 Kimberly-Clark Worldwide, Inc. Stable electret polymeric articles
US6444312B1 (en) 1999-12-08 2002-09-03 Fiber Innovation Technology, Inc. Splittable multicomponent fibers containing a polyacrylonitrile polymer component
US6524360B2 (en) 2000-02-15 2003-02-25 Hollingsworth & Vose Company Melt blown composite HEPA filter media and vacuum bag
US6590759B1 (en) * 2000-10-16 2003-07-08 Illinois Tool Works Inc. Device for placing a charge on an object and a method of retrofitting a conveyor for the device
US7280014B2 (en) 2001-03-13 2007-10-09 Rochester Institute Of Technology Micro-electro-mechanical switch and a method of using and making thereof
EP1385597A1 (de) * 2001-05-02 2004-02-04 HOLLINGSWORTH & VOSE COMPANY Filtermedium mit verbesserter steifheit und erhöhter staubhaltefähigkeit
WO2002097865A2 (en) 2001-05-31 2002-12-05 Rochester Institute Of Technology Fluidic valves, agitators, and pumps and methods thereof
WO2002100551A1 (en) * 2001-06-11 2002-12-19 Rochester Institute Of Technology An electrostatic filter and a method thereof
US7378775B2 (en) 2001-10-26 2008-05-27 Nth Tech Corporation Motion based, electrostatic power source and methods thereof
US7211923B2 (en) 2001-10-26 2007-05-01 Nth Tech Corporation Rotational motion based, electrostatic power source and methods thereof
US20030203696A1 (en) * 2002-04-30 2003-10-30 Healey David Thomas High efficiency ashrae filter media
EP1540678A2 (de) * 2002-08-30 2005-06-15 3M Innovative Properties Company Verfahren zur herstellung beschreibbarer und löschbarer artikel und daraus hergestellte gegenstände
US20040040652A1 (en) * 2002-08-30 2004-03-04 3M Innovative Properties Company Methods for electrostatically adhering an article to a substrate
US20040043248A1 (en) * 2002-08-30 2004-03-04 3M Innovative Properties Company Phosphorescent elecret films and methods of making the same
US6805048B2 (en) * 2002-08-30 2004-10-19 3M Innovative Properties Company Method of marking a substrate using an electret stencil
US7217582B2 (en) 2003-08-29 2007-05-15 Rochester Institute Of Technology Method for non-damaging charge injection and a system thereof
US7287328B2 (en) 2003-08-29 2007-10-30 Rochester Institute Of Technology Methods for distributed electrode injection
US8581308B2 (en) 2004-02-19 2013-11-12 Rochester Institute Of Technology High temperature embedded charge devices and methods thereof
US7553440B2 (en) * 2005-05-12 2009-06-30 Leonard William K Method and apparatus for electric treatment of substrates
KR100879279B1 (ko) 2007-02-14 2009-01-16 이상열 고온용 일렉트릿트, 그의 제조방법 및 이를 구비하는마이크로폰
WO2009104699A1 (ja) * 2008-02-22 2009-08-27 旭硝子株式会社 エレクトレットおよび静電誘導型変換素子
US8776367B2 (en) * 2008-03-10 2014-07-15 National Taiwan University Method of manufacturing an electret film
KR20110002458A (ko) * 2008-03-27 2011-01-07 아사히 가라스 가부시키가이샤 일렉트릿 및 정전 유도형 변환 소자
CN101981456B (zh) * 2008-03-31 2013-11-06 旭硝子株式会社 加速度传感器装置及传感器网络系统
EP2266795B1 (de) * 2008-04-17 2015-07-01 Asahi Glass Company, Limited Elektret und wandler mit elektrostatischer induktion
TWI462598B (zh) * 2008-08-06 2014-11-21 Univ Nat Taiwan 駐極體薄膜之製造方法及包含該駐極體薄膜之揚聲器
DE102008047552A1 (de) * 2008-09-16 2010-04-08 Carl Freudenberg Kg Elektretfilterelement und Verfahren zu dessen Herstellung
CN102159649B (zh) * 2008-09-19 2014-04-16 旭硝子株式会社 驻极体及静电感应型转换元件
US20100212272A1 (en) * 2009-02-24 2010-08-26 Hollingsworth & Vose Company Filter media suitable for ashrae applications
JP6200799B2 (ja) * 2012-12-27 2017-09-20 積水化学工業株式会社 エレクトレットシート
RU2606611C1 (ru) 2012-12-28 2017-01-10 3М Инновейтив Пропертиз Компани Электретные полотна с добавками, способствующими накоплению заряда
CA2909670A1 (en) 2013-04-19 2014-10-23 3M Innovative Properties Company Electret webs with charge-enhancing additives
JP6482814B2 (ja) * 2013-10-15 2019-03-13 株式会社ユポ・コーポレーション フィルター
KR20170021853A (ko) 2014-06-23 2017-02-28 쓰리엠 이노베이티브 프로퍼티즈 캄파니 전하 증대 첨가제를 갖는 일렉트릿 웨브
KR102662840B1 (ko) 2015-07-07 2024-05-03 쓰리엠 이노베이티브 프로퍼티즈 캄파니 이온성 첨가제를 갖는 중합체 매트릭스
JP6975705B2 (ja) 2015-07-07 2021-12-01 スリーエム イノベイティブ プロパティズ カンパニー 置換ベンゾトリアゾールフェノール
CA2991489A1 (en) 2015-07-07 2017-01-12 3M Innovative Properties Company Substituted benzotriazole phenolate salts and antioxidant compositions formed therefrom
WO2018127831A1 (en) 2017-01-05 2018-07-12 3M Innovative Properties Company Electret webs with charge-enhancing additives
EP4045167A1 (de) 2019-10-16 2022-08-24 3M Innovative Properties Company Schmelzzusätze mit zweifachfunktion
US20220396684A1 (en) 2019-10-16 2022-12-15 3M Innovative Properties Company Substituted benzimidazole melt additives
CN115038829B (zh) 2019-12-03 2023-07-28 3M创新有限公司 芳族杂环熔体添加剂
EP4069898B1 (de) 2019-12-03 2023-06-21 3M Innovative Properties Company Thiolatsalzschmelzadditive
CN115516149B (zh) 2020-01-27 2024-04-16 3M创新有限公司 取代的硫醇熔体添加剂
CN115427622B (zh) 2020-01-27 2023-09-15 3M创新有限公司 取代的硫醇盐熔体添加剂
CN111710778B (zh) * 2020-07-27 2022-03-22 西安交通大学 一种可拉伸的磁电驻极体及其制备方法
CN112127144A (zh) * 2020-09-22 2020-12-25 武汉海派特塑料机械有限公司 用于熔喷布的静电驻极加载装置
CN116252502B (zh) * 2023-03-13 2023-10-27 天津大学 一种基于界面沉积改性的聚丙烯薄膜介电性能提升方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3458713A (en) * 1966-11-01 1969-07-29 Northern Electric Co Polycarbonate electrets
US3574790A (en) * 1967-12-07 1971-04-13 Sinclair Research Inc Polystyrene composition of suppressed electrostatic accumulation tendencies
JPS5019183B1 (de) * 1970-03-10 1975-07-04
JPS5019360B1 (de) * 1970-08-26 1975-07-05
GB1337753A (en) * 1971-01-21 1973-11-21 Thermo Electron Corp Electrets
JPS5650408B2 (de) * 1973-07-05 1981-11-28
NL181632C (nl) * 1976-12-23 1987-10-01 Minnesota Mining & Mfg Electreetfilter en werkwijze voor het vervaardigen daarvan.
JPS5925612B2 (ja) * 1979-07-09 1984-06-19 新田ベルト株式会社 エレクトレツトフイルタ−
NL7907539A (nl) * 1979-10-11 1981-04-14 Tno Werkwijze voor het vervaardigen van elektreten.
US4375718A (en) * 1981-03-12 1983-03-08 Surgikos, Inc. Method of making fibrous electrets
US4513049A (en) * 1983-04-26 1985-04-23 Mitsui Petrochemical Industries, Ltd. Electret article
DE3509857C2 (de) * 1984-03-19 1994-04-28 Toyo Boseki Elektretisiertes Staubfilter und dessen Herstellung
JPS60225416A (ja) * 1984-04-24 1985-11-09 三井化学株式会社 高性能エレクトレツトおよびエアフイルタ−
US4874659A (en) * 1984-10-24 1989-10-17 Toray Industries Electret fiber sheet and method of producing same
GB8612070D0 (en) * 1986-05-19 1986-06-25 Brown R C Blended-fibre filter material
JP2638011B2 (ja) * 1987-12-02 1997-08-06 東洋紡績株式会社 エレクトレットフィルターの製造方法
US4874399A (en) * 1988-01-25 1989-10-17 Minnesota Mining And Manufacturing Company Electret filter made of fibers containing polypropylene and poly(4-methyl-1-pentene)
JP2672329B2 (ja) * 1988-05-13 1997-11-05 東レ株式会社 エレクトレット材料

Also Published As

Publication number Publication date
EP0447166A3 (en) 1992-10-21
US5256176A (en) 1993-10-26
SG64858A1 (en) 2001-03-20
HK14197A (en) 1997-02-14
EP0447166B1 (de) 1996-06-05
CA2037942A1 (en) 1991-09-13
DE69119948T2 (de) 1996-10-24
DE69119948D1 (de) 1996-07-11
EP0447166A2 (de) 1991-09-18

Similar Documents

Publication Publication Date Title
ATE139054T1 (de) Verfahren zur herstellung eines elektrets, eines filmelektrets sowie eines elektretfilters
DE3776830D1 (de) Verfahren zur herstellung einer permeablen folienfoermigen faserstruktur.
ATE283940T1 (de) Verfahren und vorrichtung zur herstellung eines elektretfaservlies aus losen fasern und einer polaren flüssigkeit
ATE212584T1 (de) Pulverimprägnationsverfahren eines faser- oder fadennetzwerk insbesondere zur herstellung eines verbundmaterials
DK0470242T3 (da) Fremgangsmåde til overtrækning af fibre med partikler
ATE370781T1 (de) Verfahren zur herstellung eines gewebes aus elektretfasern unter verwendung einer benetzenden flüssigkeit und einer wässrigen, polaren flüssigkeit
ATE108014T1 (de) Verfahren und vorrichtung zur wärmebehandlung einer mit einer flüssigen oder pastenförmigen zubereitung versehenen warenbahn.
ATE281225T1 (de) Verfahren zur herstellung eines plissierfähigen filtermaterials aus einem vliesstoff
ATE189710T1 (de) Verfahren zur herstellung eines vliesstoffes aus milchsäure
ATE455886T1 (de) Verfahren zum herstellen eines elastischen vliesstoffs
NO943035L (no) Fremgangsmåte for fremstilling av et mineralfiberelement innbefattende et overflatebelegg og et apparat for utövelse av fremgangsmåten
ES486374A1 (es) Procedimiento de compactacion de materiales no tejidos de vellones de fibras
DE69132593T2 (de) Behandlung von Strangen aus Akrylfasern
DE69119838D1 (de) Apparat und Verfahren zur Herstellung von dünnen Kohlenstoffasern durch Dampf-Phasen-Pyrolyse
ATE290108T1 (de) Verfahren zur herstellung eines gewebes aus kohlenstofffasern durch kontinuierliche carbonisierung von geweben aus cellulosefasern
ATE217539T1 (de) Mehrschichtiges vlies sowie verfahren zur herstellung eines mehrschichtigen vlieses
DE69308608D1 (de) Verfahren und apparat zur herstellung eines beschichteten fasergebildes
ATE50007T1 (de) Verfahren zur druckverfestigung von nichtgewobenen vliesen.
DE69125346T2 (de) Verfahren zur Herstellung von Kohlenstoffasern mit hoher Faserstrangfestigkeit
ATE33244T1 (de) Verfahren zur herstellung eines faserverstaerkten keramischen verbundwerkstoffes.
DE3586738T2 (de) Verfahren zur herstellung von wattierungsbahnen und dadurch hergestellte wattierungsbahnen.
DE59502782D1 (de) Verfahren zur herstellung von glasformlingen nach dem pressverfahren sowie zur anwendung des verfahrens besonders geeignete vorrichtung
DE3784925D1 (de) Verfahren zur herstellung einer in kleidung und polstern verwendbaren thermisch isolierenden wattierung.
DK102888D0 (da) Fremgangsmaade ved varmebinding i et ikke-vaevet sloer af syntetiske fibre og netvaev til brug ved udoevelse af fremgangsmaaden
DE69815821D1 (de) Verfahren zur herstellung eines zwei-faden-garns mit einer gewissen elastizität zur verwendung in der webindustrie

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties