DE3887337T2 - Elektret-material und verfahren zur herstellung von elektret-material. - Google Patents

Elektret-material und verfahren zur herstellung von elektret-material.

Info

Publication number
DE3887337T2
DE3887337T2 DE3887337T DE3887337T DE3887337T2 DE 3887337 T2 DE3887337 T2 DE 3887337T2 DE 3887337 T DE3887337 T DE 3887337T DE 3887337 T DE3887337 T DE 3887337T DE 3887337 T2 DE3887337 T2 DE 3887337T2
Authority
DE
Germany
Prior art keywords
producing electrical
electric
electric material
electrical material
producing
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE3887337T
Other languages
English (en)
Other versions
DE3887337D1 (de
Inventor
Eiichi Nishiura
Katsutoshi Ando
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toray Industries Inc
Original Assignee
Toray Industries Inc
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 Toray Industries Inc filed Critical Toray Industries Inc
Publication of DE3887337D1 publication Critical patent/DE3887337D1/de
Application granted granted Critical
Publication of DE3887337T2 publication Critical patent/DE3887337T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-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
    • 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
DE3887337T 1988-05-13 1988-11-11 Elektret-material und verfahren zur herstellung von elektret-material. Expired - Lifetime DE3887337T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63117950A JP2672329B2 (ja) 1988-05-13 1988-05-13 エレクトレット材料
PCT/JP1988/001136 WO1989011156A1 (en) 1988-05-13 1988-11-11 Electret material and process for preparing electret material

Publications (2)

Publication Number Publication Date
DE3887337D1 DE3887337D1 (de) 1994-03-03
DE3887337T2 true DE3887337T2 (de) 1994-06-30

Family

ID=14724249

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3887337T Expired - Lifetime DE3887337T2 (de) 1988-05-13 1988-11-11 Elektret-material und verfahren zur herstellung von elektret-material.

Country Status (6)

Country Link
US (1) US5057710A (de)
EP (1) EP0375781B1 (de)
JP (1) JP2672329B2 (de)
KR (1) KR900702549A (de)
DE (1) DE3887337T2 (de)
WO (1) WO1989011156A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010006364B4 (de) * 2010-01-29 2015-07-23 Carl Freudenberg Kg Verwendung von sterisch gehinderten Aminen für oxidationsstabilisierte Polyolefine

Families Citing this family (104)

* Cited by examiner, † Cited by third party
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CA2037942A1 (en) * 1990-03-12 1991-09-13 Satoshi Matsuura Process for producing an electret, a film electret, and an electret filter
JPH0517595A (ja) * 1991-07-15 1993-01-26 Matsushita Electric Ind Co Ltd 高分子超薄膜エレクトレツト及びその製造方法
JP3286998B2 (ja) * 1992-01-08 2002-05-27 東レ株式会社 抗菌性エレクトレット材料
US5441550A (en) * 1992-03-26 1995-08-15 The University Of Tennessee Research Corporation Post-treatment of laminated nonwoven cellulosic fiber webs
EP0623941B1 (de) * 1993-03-09 1997-08-06 Hoechst Celanese Corporation Polymer-Elektrete mit verbesserter Ladungsstabilität
ATE259007T1 (de) * 1993-03-09 2004-02-15 Trevira Gmbh Elektretfasern mit verbesserter ladungsstabilität,verfahren zu ihrer herstellung, und textilmaterial enthaltend diese elektretfasern
AU669420B2 (en) * 1993-03-26 1996-06-06 Minnesota Mining And Manufacturing Company Oily mist resistant electret filter media
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
DE9414040U1 (de) * 1994-08-30 1995-01-19 Hoechst Ag Vliese aus Elektretfasermischungen mit verbesserter Ladungsstabilität
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
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
US5773375A (en) * 1996-05-29 1998-06-30 Swan; Michael D. Thermally stable acoustical insulation
US5800866A (en) * 1996-12-06 1998-09-01 Kimberly-Clark Worldwide, Inc. Method of preparing small particle dispersions
US6524488B1 (en) 1998-06-18 2003-02-25 3M Innovative Properties Company Method of filtering certain particles from a fluid using a depth loading filtration media
US6290685B1 (en) 1998-06-18 2001-09-18 3M Innovative Properties Company Microchanneled active fluid transport devices
US6068799A (en) * 1997-10-01 2000-05-30 3M Innovative Properties Company Method of making electret articles and filters with increased oily mist resistance
US6238466B1 (en) 1997-10-01 2001-05-29 3M Innovative Properties Company 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
US6432175B1 (en) 1998-07-02 2002-08-13 3M Innovative Properties Company Fluorinated electret
US6123752A (en) * 1998-09-03 2000-09-26 3M Innovative Properties Company High efficiency synthetic filter medium
US6139308A (en) * 1998-10-28 2000-10-31 3M Innovative Properties Company Uniform meltblown fibrous web and methods and apparatus for manufacturing
US6280824B1 (en) 1999-01-29 2001-08-28 3M Innovative Properties Company Contoured layer channel flow filtration media
US6573205B1 (en) 1999-01-30 2003-06-03 Kimberly-Clark Worldwide, Inc. Stable electret polymeric articles
US6110588A (en) 1999-02-05 2000-08-29 3M Innovative Properties Company Microfibers and method of making
US6630231B2 (en) 1999-02-05 2003-10-07 3M Innovative Properties Company Composite articles reinforced with highly oriented microfibers
US6279570B1 (en) 1999-03-02 2001-08-28 3M Innovative Properties Company Filter support, assembly and system
US6273938B1 (en) 1999-08-13 2001-08-14 3M Innovative Properties Company Channel flow filter
US6375886B1 (en) 1999-10-08 2002-04-23 3M Innovative Properties Company Method and apparatus for making a nonwoven fibrous electret web from free-fiber and polar liquid
US6454986B1 (en) 1999-10-08 2002-09-24 3M Innovative Properties Company Method of making a fibrous electret web using a nonaqueous polar liquid
US6406657B1 (en) 1999-10-08 2002-06-18 3M Innovative Properties Company Method and apparatus for making a fibrous electret web using a wetting liquid and an aqueous polar liquid
US6454839B1 (en) 1999-10-19 2002-09-24 3M Innovative Properties Company Electrofiltration apparatus
US6494921B1 (en) 2000-02-10 2002-12-17 M. Catherine Bennett Method of removing particulate debris, especially dust mite fecal material from fabric articles in a conventional clothes dryer
US6743464B1 (en) 2000-04-13 2004-06-01 3M Innovative Properties Company Method of making electrets through vapor condensation
US6468451B1 (en) 2000-06-23 2002-10-22 3M Innovative Properties Company Method of making a fibrillated article
US6513184B1 (en) 2000-06-28 2003-02-04 S. C. Johnson & Son, Inc. Particle entrapment system
US6550639B2 (en) 2000-12-05 2003-04-22 S.C. Johnson & Son, Inc. Triboelectric system
US6420024B1 (en) 2000-12-21 2002-07-16 3M Innovative Properties Company Charged microfibers, microfibrillated articles and use thereof
JP4747255B2 (ja) * 2000-12-27 2011-08-17 Ｊｎｃ株式会社 帯電性を有するトウおよびそれを用いた積層体
JP4659232B2 (ja) * 2001-02-23 2011-03-30 日本バイリーン株式会社 帯電不織布
US7280014B2 (en) 2001-03-13 2007-10-09 Rochester Institute Of Technology Micro-electro-mechanical switch and a method of using and making thereof
EP1247558A1 (de) 2001-04-07 2002-10-09 3M Innovative Properties Company Kombinationsfilter zur Filtrierung von Fluiden
US6680114B2 (en) 2001-05-15 2004-01-20 3M Innovative Properties Company Fibrous films and articles from microlayer substrates
AU2002303933A1 (en) 2001-05-31 2002-12-09 Rochester Institute Of Technology Fluidic valves, agitators, and pumps and methods thereof
US6773488B2 (en) 2001-06-11 2004-08-10 Rochester Institute Of Technology Electrostatic filter and a method thereof
US6589317B2 (en) 2001-08-10 2003-07-08 3M Innovative Properties Company Structured surface filtration media array
US7211923B2 (en) 2001-10-26 2007-05-01 Nth Tech Corporation Rotational motion based, electrostatic power source and methods thereof
US7378775B2 (en) 2001-10-26 2008-05-27 Nth Tech Corporation Motion based, electrostatic power source and methods thereof
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
CA2583356A1 (en) * 2004-10-08 2006-04-20 Dan C. Short Ionized performance fabric
CA2599268A1 (en) * 2005-03-07 2006-09-14 3M Innovative Properties Company Vehicle passenger compartment air filter devices
EP1874430B1 (de) * 2005-04-22 2008-11-12 3M Innovative Properties Company Luftfiltervorrichtungen für fahrgastzellen
US7393269B2 (en) 2005-09-16 2008-07-01 3M Innovative Properties Company Abrasive filter assembly and methods of making same
US7390351B2 (en) * 2006-02-09 2008-06-24 3M Innovative Properties Company Electrets and compounds useful in electrets
EP2005453B1 (de) 2006-04-11 2009-09-09 Basf Se Electretmaterialien
US7338355B2 (en) * 2006-06-13 2008-03-04 3M Innovative Properties Company Abrasive article and methods of making and using the same
US7628829B2 (en) * 2007-03-20 2009-12-08 3M Innovative Properties Company Abrasive article and method of making and using the same
US20080233850A1 (en) * 2007-03-20 2008-09-25 3M Innovative Properties Company Abrasive article and method of making and using the same
US20080249269A1 (en) * 2007-04-05 2008-10-09 Hui Chin Electret materials
CN101896657B (zh) 2007-12-06 2012-11-28 3M创新有限公司 驻极体过滤器介质以及制备驻极体织物的方法
US7765698B2 (en) 2008-06-02 2010-08-03 3M Innovative Properties Company Method of making electret articles based on zeta potential
WO2009148744A2 (en) * 2008-06-02 2009-12-10 3M Innovative Properties Company Electret webs with charge-enhancing additives
EP2303770B1 (de) * 2008-06-30 2014-07-09 3M Innovative Properties Company Verfahren zur in-situ-bildung von metallnanoclustern in einem porösen substrat
CN102348845A (zh) 2009-02-20 2012-02-08 3M创新有限公司 抗微生物驻极体网
US20100252047A1 (en) 2009-04-03 2010-10-07 Kirk Seth M Remote fluorination of fibrous filter webs
RU2475575C1 (ru) 2009-04-03 2013-02-20 3М Инновейтив Пропертиз Компани Технологические добавки для олефиновых полотен, в частности электретных полотен
WO2010114742A2 (en) 2009-04-03 2010-10-07 3M Innovative Properties Company Electret webs with charge-enhancing additives
BR112015015420A2 (pt) 2012-12-28 2017-07-11 3M Innovative Properties Co mantas de eletreto com aditivos acentuadores de carga
RU2635160C2 (ru) 2013-04-19 2017-11-09 3М Инновейтив Пропертиз Компани Электретные полотна с добавками, способствующими накоплению заряда
WO2015152207A1 (ja) 2014-04-04 2015-10-08 東洋紡株式会社 エレクトレット
WO2015199972A1 (en) 2014-06-23 2015-12-30 3M Innovative Properties Company Electret webs with charge-enhancing additives
PL3186425T3 (pl) 2014-08-26 2020-05-18 3M Innovative Properties Company Siatka z włókniny typu spunbonded zawierająca włókna poli(kwasumlekowego)
WO2017007672A1 (en) 2015-07-07 2017-01-12 3M Innovative Properties Company Substituted benzotriazole phenols
KR20180027536A (ko) 2015-07-07 2018-03-14 쓰리엠 이노베이티브 프로퍼티즈 캄파니 이온성 첨가제를 갖는 중합체 매트릭스
CN107849449B (zh) 2015-07-07 2020-12-29 3M创新有限公司 取代的苯并三唑酚盐及由其形成的抗氧化剂组合物
MX2018000117A (es) 2015-07-07 2018-03-22 3M Innovative Properties Co Tramas de electreto con aditivos mejoradores de la carga.
JP2017094250A (ja) * 2015-11-20 2017-06-01 東洋紡株式会社 エレクトレット濾材、それを用いたフィルター、およびエレクトレット濾材の製造方法
CN110446541B (zh) 2017-01-05 2021-12-03 3M创新有限公司 具有电荷加强添加剂的驻极体料片
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CN114555691B (zh) 2019-10-16 2023-11-28 3M创新有限公司 取代的苯并咪唑熔体添加剂
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CN111560137B (zh) * 2020-05-28 2020-10-16 金发科技股份有限公司 一种用于口罩熔喷无纺布的驻极母粒及其制备方法与应用
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US20230390678A1 (en) 2020-11-02 2023-12-07 3M Innovative Properties Company Core-sheath fibers, nonwoven fibrous web, and filtering articles including the same
CN116744880A (zh) 2020-12-18 2023-09-12 3M创新有限公司 包含取代的环状三磷腈化合物的驻极体以及由其制得的制品
WO2023074758A1 (ja) * 2021-10-29 2023-05-04 東洋紡株式会社 エレクトレット、エレクトレットフィルター、及びエレクトレットの製造方法
CN114456493B (zh) * 2022-03-04 2023-08-25 山东天风新材料有限公司 一种驻极母粒及其制备方法和应用
WO2023190089A1 (ja) * 2022-03-30 2023-10-05 東洋紡株式会社 エレクトレット、及びエレクトレットフィルター

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JPS58160333A (ja) * 1982-03-18 1983-09-22 Toa Nenryo Kogyo Kk 耐変色性ポリオレフイン組成物
US4502202A (en) * 1983-06-17 1985-03-05 Texas Instruments Incorporated Method for fabricating overlaid device in stacked CMOS
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−
JPS61215771A (ja) * 1985-03-15 1986-09-25 東レ株式会社 エレクトレツトメルトブロ−不織布
US5034182A (en) * 1986-04-30 1991-07-23 E. I. Du Pont De Nemours And Company Melt spinning process for polymeric filaments

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010006364B4 (de) * 2010-01-29 2015-07-23 Carl Freudenberg Kg Verwendung von sterisch gehinderten Aminen für oxidationsstabilisierte Polyolefine

Also Published As

Publication number Publication date
EP0375781B1 (de) 1994-01-19
WO1989011156A1 (en) 1989-11-16
JP2672329B2 (ja) 1997-11-05
KR900702549A (ko) 1990-12-07
US5057710A (en) 1991-10-15
EP0375781A4 (en) 1991-04-17
DE3887337D1 (de) 1994-03-03
EP0375781A1 (de) 1990-07-04
JPH01287914A (ja) 1989-11-20

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