ATE283940T1 - Verfahren und vorrichtung zur herstellung eines elektretfaservlies aus losen fasern und einer polaren flüssigkeit - Google Patents

Verfahren und vorrichtung zur herstellung eines elektretfaservlies aus losen fasern und einer polaren flüssigkeit

Info

Publication number
ATE283940T1
ATE283940T1 AT00913259T AT00913259T ATE283940T1 AT E283940 T1 ATE283940 T1 AT E283940T1 AT 00913259 T AT00913259 T AT 00913259T AT 00913259 T AT00913259 T AT 00913259T AT E283940 T1 ATE283940 T1 AT E283940T1
Authority
AT
Austria
Prior art keywords
fibers
polar liquid
producing
free
fiber fleece
Prior art date
Application number
AT00913259T
Other languages
German (de)
English (en)
Inventor
Seyed A Angadjivand
Michael G Schwartz
Philip D Eitzman
Marvin E Jones
Original Assignee
3M Innovative Properties Co
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 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Application granted granted Critical
Publication of ATE283940T1 publication Critical patent/ATE283940T1/de

Links

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/01—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with hydrogen, water or heavy water; with hydrides of metals or complexes thereof; with boranes, diboranes, silanes, disilanes, phosphines, diphosphines, stibines, distibines, arsines, or diarsines or complexes thereof
    • D06M11/05—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with hydrogen, water or heavy water; with hydrides of metals or complexes thereof; with boranes, diboranes, silanes, disilanes, phosphines, diphosphines, stibines, distibines, arsines, or diarsines or complexes thereof with water, e.g. steam; with heavy water
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
    • D04H1/724—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged forming webs during fibre formation, e.g. flash-spinning
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4282—Addition polymers
    • D04H1/4291—Olefin series
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
    • D04H1/43838—Ultrafine fibres, e.g. microfibres

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Filtering Materials (AREA)
  • Electrostatic Separation (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Nonwoven Fabrics (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
AT00913259T 1999-10-08 2000-01-26 Verfahren und vorrichtung zur herstellung eines elektretfaservlies aus losen fasern und einer polaren flüssigkeit ATE283940T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/415,566 US6375886B1 (en) 1999-10-08 1999-10-08 Method and apparatus for making a nonwoven fibrous electret web from free-fiber and polar liquid
PCT/US2000/001973 WO2001027371A1 (en) 1999-10-08 2000-01-26 Method and apparatus for making a nonwoven fibrous electret web from free-fiber and polar liquid

Publications (1)

Publication Number Publication Date
ATE283940T1 true ATE283940T1 (de) 2004-12-15

Family

ID=23646223

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00913259T ATE283940T1 (de) 1999-10-08 2000-01-26 Verfahren und vorrichtung zur herstellung eines elektretfaservlies aus losen fasern und einer polaren flüssigkeit

Country Status (13)

Country Link
US (2) US6375886B1 (enExample)
EP (1) EP1230453B1 (enExample)
JP (1) JP4518724B2 (enExample)
KR (1) KR100697125B1 (enExample)
CN (1) CN1250794C (enExample)
AT (1) ATE283940T1 (enExample)
AU (1) AU771744B2 (enExample)
BR (1) BR0014557B1 (enExample)
CA (1) CA2385788A1 (enExample)
DE (1) DE60016450T2 (enExample)
PL (1) PL202748B1 (enExample)
RU (1) RU2238354C2 (enExample)
WO (1) WO2001027371A1 (enExample)

Families Citing this family (123)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6432175B1 (en) * 1998-07-02 2002-08-13 3M Innovative Properties Company Fluorinated electret
US6642513B1 (en) * 1998-10-06 2003-11-04 General Electric Company Materials and apparatus for the detection of contraband
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
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
US6969484B2 (en) 2001-06-18 2005-11-29 Toray Industries, Inc. Manufacturing method and device for electret processed product
WO2003060216A1 (en) * 2002-01-11 2003-07-24 Japan Vilene Company, Ltd. Process for producing electret and production apparatus
JP2003311180A (ja) * 2002-04-23 2003-11-05 Toyobo Co Ltd エレクトレット濾過材およびその製造方法
US20050176325A1 (en) * 2002-06-06 2005-08-11 Shoji Tokuda Electret filter media and process for producing the same
US6874499B2 (en) * 2002-09-23 2005-04-05 3M Innovative Properties Company Filter element that has a thermo-formed housing around filter material
US7762801B2 (en) * 2004-04-08 2010-07-27 Research Triangle Institute Electrospray/electrospinning apparatus and method
US7297305B2 (en) 2004-04-08 2007-11-20 Research Triangle Institute Electrospinning in a controlled gaseous environment
US7592277B2 (en) * 2005-05-17 2009-09-22 Research Triangle Institute Nanofiber mats and production methods thereof
US7134857B2 (en) * 2004-04-08 2006-11-14 Research Triangle Institute Electrospinning of fibers using a rotatable spray head
US7320722B2 (en) * 2004-10-29 2008-01-22 3M Innovative Properties Company Respiratory protection device that has rapid threaded clean air source attachment
US7419526B2 (en) * 2005-03-03 2008-09-02 3M Innovative Properties Company Conformal filter cartridges and methods
US7244291B2 (en) * 2005-05-02 2007-07-17 3M Innovative Properties Company Electret article having high fluorosaturation ratio
US7244292B2 (en) * 2005-05-02 2007-07-17 3M Innovative Properties Company Electret article having heteroatoms and low fluorosaturation ratio
US7553440B2 (en) * 2005-05-12 2009-06-30 Leonard William K Method and apparatus for electric treatment of substrates
WO2006128237A1 (en) * 2005-05-31 2006-12-07 Commonwealth Scientific And Industrial Research Organisation Electrostatic filter media and a process for the manufacture thereof
WO2007047263A1 (en) * 2005-10-19 2007-04-26 3M Innovative Properties Company Multilayer articles having acoustical absorbance properties and methods of making and using the same
US20080271740A1 (en) 2007-05-03 2008-11-06 3M Innovative Properties Company Maintenance-free flat-fold respirator that includes a graspable tab
US20080271739A1 (en) 2007-05-03 2008-11-06 3M Innovative Properties Company Maintenance-free respirator that has concave portions on opposing sides of mask top section
US9770611B2 (en) 2007-05-03 2017-09-26 3M Innovative Properties Company Maintenance-free anti-fog respirator
US8342180B2 (en) 2007-09-20 2013-01-01 3M Innovative Properties Company Filtering face-piece respirator that has expandable mask body
EP2222908B1 (en) * 2007-12-06 2013-01-16 3M Innovative Properties Company Electret webs with charge-enhancing additives
RU2010148559A (ru) * 2008-06-02 2012-07-20 3М Инновейтив Пропертиз Компани (US) Усиливающие заряд добавки для электретов
US7765698B2 (en) * 2008-06-02 2010-08-03 3M Innovative Properties Company Method of making electret articles based on zeta potential
RU2448207C1 (ru) * 2008-06-02 2012-04-20 3М Инновейтив Пропертиз Компани Электретные полотна с усиливающими заряд добавками
WO2010002773A2 (en) * 2008-06-30 2010-01-07 3M Innovative Properties Company Method for in situ formation of metal nanoclusters within a porous substrate field
DE102008047552A1 (de) * 2008-09-16 2010-04-08 Carl Freudenberg Kg Elektretfilterelement und Verfahren zu dessen Herstellung
US11083916B2 (en) 2008-12-18 2021-08-10 3M Innovative Properties Company Flat fold respirator having flanges disposed on the mask body
US20110290119A1 (en) 2009-02-20 2011-12-01 3M Innovative Properties Company Antimicrobial electret web
US20100252047A1 (en) 2009-04-03 2010-10-07 Kirk Seth M Remote fluorination of fibrous filter webs
KR101679894B1 (ko) * 2009-04-03 2016-11-25 쓰리엠 이노베이티브 프로퍼티즈 컴파니 일렉트릿 웨브를 포함하는, 올레핀성 웨브를 위한 가공 보조제
DE102009041401A1 (de) * 2009-09-12 2011-03-24 Hydac Filtertechnik Gmbh Filterelement mit einem Filtermedium sowie Verfahren zum Herstellen desselben
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US8528560B2 (en) 2009-10-23 2013-09-10 3M Innovative Properties Company Filtering face-piece respirator having parallel line weld pattern in mask body
BR112012016094A2 (pt) 2009-12-30 2016-08-16 3M Innovative Properties Co respirador com peça facial filtrante tendo uma malha auxética no corpo da máscara
JP5475541B2 (ja) * 2010-05-07 2014-04-16 日本バイリーン株式会社 帯電フィルタ及びマスク
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KR20130091734A (ko) * 2010-07-07 2013-08-19 쓰리엠 이노베이티브 프로퍼티즈 컴파니 패턴화된 에어 레이드 부직포 일렉트릿 섬유질 웨브 및 그 제조 및 사용 방법
US20120017911A1 (en) 2010-07-26 2012-01-26 3M Innovative Properties Company Filtering face-piece respirator having foam shaping layer
PT2609238T (pt) 2010-08-23 2017-02-21 Fiberweb Holdings Ltd Teia não-tecida e fibras com propriedades de eletreto, respectivos processos de fabrico e sua utilização
JP5437213B2 (ja) * 2010-09-28 2014-03-12 日本ポリプロ株式会社 溶融紡糸型エレクトロスピニング用プロピレン系樹脂組成物及びそれによる極細繊維の溶融紡糸方法
US8585808B2 (en) 2010-11-08 2013-11-19 3M Innovative Properties Company Zinc oxide containing filter media and methods of forming the same
US20120125341A1 (en) 2010-11-19 2012-05-24 3M Innovative Properties Company Filtering face-piece respirator having an overmolded face seal
US9802187B2 (en) 2011-06-30 2017-10-31 3M Innovative Properties Company Non-woven electret fibrous webs and methods of making same
IN2014CN00654A (enExample) 2011-08-01 2015-04-03 3M Innovative Properties Co
US9700743B2 (en) 2012-07-31 2017-07-11 3M Innovative Properties Company Respiratory assembly including latching mechanism
US9072991B2 (en) * 2012-04-24 2015-07-07 Southern Felt Company, Inc. Conductive filter media
KR101308502B1 (ko) * 2012-11-06 2013-09-17 주식회사 익성 웨이브형 멜트 블로운 섬유웹 및 그 제조방법
US11116998B2 (en) 2012-12-27 2021-09-14 3M Innovative Properties Company Filtering face-piece respirator having folded flange
US10182603B2 (en) 2012-12-27 2019-01-22 3M Innovative Properties Company Filtering face-piece respirator having strap-activated folded flange
BR112015015420A2 (pt) 2012-12-28 2017-07-11 3M Innovative Properties Co mantas de eletreto com aditivos acentuadores de carga
US9510626B2 (en) 2013-02-01 2016-12-06 3M Innovative Properties Company Sleeve-fit respirator cartridge
CA2909670A1 (en) 2013-04-19 2014-10-23 3M Innovative Properties Company Electret webs with charge-enhancing additives
EP3074559B1 (en) 2013-11-26 2020-09-02 3M Innovative Properties Company Dimensionally-stable melt blown nonwoven fibrous structures, and methods and apparatus for making same
US9587329B2 (en) 2013-12-11 2017-03-07 Kyung-Ju Choi Process for making a polymeric fibrous material having increased beta content
WO2015130591A1 (en) 2014-02-27 2015-09-03 3M Innovative Properties Company Respirator having elastic straps having openwork structure
US10040621B2 (en) 2014-03-20 2018-08-07 3M Innovative Properties Company Filtering face-piece respirator dispenser
CN106661786B (zh) 2014-06-23 2019-05-21 3M创新有限公司 包含电荷加强添加剂的驻极体料片
WO2016028553A1 (en) 2014-08-18 2016-02-25 3M Innovative Properties Company Respirator including polymeric netting and method of forming same
CN104289042B (zh) * 2014-09-05 2016-04-20 东华大学 一种静电纺纳米纤维驻极过滤材料及其制备方法
CN104328515B (zh) * 2014-10-25 2016-08-17 江苏六鑫洁净新材料有限公司 一种非织造布在线驻极接收装置
WO2016069342A1 (en) 2014-10-31 2016-05-06 3M Innovative Properties Company Respirator having corrugated filtering structure
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WO2016147866A1 (ja) * 2015-03-16 2016-09-22 東レ株式会社 エレクトレット繊維シート
GB201508114D0 (en) 2015-05-12 2015-06-24 3M Innovative Properties Co Respirator tab
WO2017007677A1 (en) 2015-07-07 2017-01-12 3M Innovative Properties Company Substituted benzotriazole phenolate salts and antioxidant compositions formed therefrom
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US11053373B2 (en) 2015-07-07 2021-07-06 3M Innovative Properties Company Polymeric matrices with ionic additives
MX2018000117A (es) 2015-07-07 2018-03-22 3M Innovative Properties Co Tramas de electreto con aditivos mejoradores de la carga.
RU2015141569A (ru) 2015-09-30 2017-04-05 3М Инновейтив Пропертиз Компани Складной респиратор с лицевой маской и клапаном выдоха
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KR102639914B1 (ko) * 2015-12-22 2024-02-23 도레이 카부시키가이샤 일렉트릿 섬유 시트
CN107587259A (zh) * 2016-07-06 2018-01-16 南京理工大学 一种高效过滤性能的复合电纺纤维膜及其制备方法
BR112019002171B1 (pt) 2016-08-02 2023-01-17 Fitesa Simpsonville, Inc. Sistema e processo para preparar um tecido não tecido de ácido poliláctico (pla) por fiação contínua
US11441251B2 (en) 2016-08-16 2022-09-13 Fitesa Germany Gmbh Nonwoven fabrics comprising polylactic acid having improved strength and toughness
JP6816268B2 (ja) * 2016-10-06 2021-01-20 グロッツ−ベッケルト・カーゲー 静電的に帯電した繊維を有するプリーツ加工可能な繊維物を製造するための方法及びプリーツ加工可能な繊維物
US20210283435A1 (en) 2016-10-28 2021-09-16 3M Innovative Properties Company Respirator Including Reinforcing Element
US20190336896A1 (en) 2017-01-05 2019-11-07 3M Innovative Properties Company Electret webs with charge-enhancing additives
RU2671037C2 (ru) 2017-03-17 2018-10-29 3М Инновейтив Пропертиз Компани Складной респиратор с лицевой маской типа ffp3
CN106964199B (zh) * 2017-05-04 2022-08-09 浙江金海高科股份有限公司 驻极体材料的液体充电方法和装置
EP3651887A4 (en) 2017-07-14 2021-04-14 3M Innovative Properties Company ADAPTER FOR TRANSPORTING MULTIPLE FLOWS OF LIQUID
WO2019130150A2 (en) 2017-12-28 2019-07-04 3M Innovative Properties Company Ceramic-coated fibers including a flame-retarding polymer, and methods of making nonwoven structures
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WO2019222668A1 (en) * 2018-05-17 2019-11-21 University Of Tennessee Research Foundation Methods of saturating nonwoven fabrics with liquid and the making of electret thereof
CN110528172A (zh) * 2018-05-24 2019-12-03 厦门当盛新材料有限公司 一种使闪蒸法非织造布表面附着静电的方法
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KR102228591B1 (ko) 2020-03-26 2021-03-16 도레이첨단소재 주식회사 복합 부직포 및 이를 포함하는 물품
US12420223B2 (en) 2020-04-09 2025-09-23 Toray Advanced Materials Korea Inc. Composite non-woven fabric and article comprising same
US12409401B2 (en) 2020-07-08 2025-09-09 3M Innovative Properties Company Pleated filtration assembly comprising spunbonded prefilter
CN116033954A (zh) 2020-08-11 2023-04-28 3M创新有限公司 具有苯甲酸盐电荷增强添加剂的驻极体料片
CN116348190A (zh) 2020-08-11 2023-06-27 3M创新有限公司 具有羧酸或羧酸盐电荷增强添加剂的驻极体料片
WO2022055848A1 (en) * 2020-09-08 2022-03-17 Preco, Inc. Low gsm fiber web and method of making same
EP4237601A1 (en) 2020-11-02 2023-09-06 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
US12076675B2 (en) * 2021-01-27 2024-09-03 John Ruszkowski Air filter inactivation of viruses and micro-organisms
WO2023031697A1 (en) 2021-09-01 2023-03-09 3M Innovative Properties Company Anti-virus respirator and mask
CN114150436B (zh) * 2021-12-06 2022-10-18 美埃(中国)环境科技股份有限公司 一种纳米纤维复合驻极材料及其制备方法
CN114687060A (zh) * 2022-03-18 2022-07-01 惠州市众畅汽车部件有限公司 一种内衬无纺布的蒸汽成型方法
US20240115889A1 (en) 2022-10-07 2024-04-11 3M Innovative Properties Company Disposable, Flat-Fold Respirator Having Increased Stiffness in Selected Areas
WO2025202974A1 (en) 2024-03-29 2025-10-02 3M Innovative Properties Company Respirators, respirator materials and methods of manufacturing the same

Family Cites Families (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2361563A (en) * 1940-11-06 1944-10-31 Montres Perret Et Berthoud Sa Device for measuring time intervals
GB711344A (en) 1950-09-21 1954-06-30 British Celanese Improvements in the production of filaments, films and like shaped articles from acrylonitrile polymers
US2658848A (en) * 1951-11-17 1953-11-10 Glass Fibers Inc Method for making glass paper
US3245767A (en) * 1961-07-06 1966-04-12 Owens Corning Fiberglass Corp Method and apparatus for forming fine fibers
US3366721A (en) 1966-07-21 1968-01-30 Monsanto Co Process for treating filaments
NL160303C (nl) 1974-03-25 1979-10-15 Verto Nv Werkwijze voor het vervaardigen van een vezelfilter.
US3959421A (en) 1974-04-17 1976-05-25 Kimberly-Clark Corporation Method for rapid quenching of melt blown fibers
CA1073648A (en) 1976-08-02 1980-03-18 Edward R. Hauser Web of blended microfibers and crimped bulking fibers
NL181632C (nl) 1976-12-23 1987-10-01 Minnesota Mining & Mfg Electreetfilter en werkwijze voor het vervaardigen daarvan.
US4215682A (en) 1978-02-06 1980-08-05 Minnesota Mining And Manufacturing Company Melt-blown fibrous electrets
US4277430A (en) 1978-08-01 1981-07-07 Allied Chemical Corporation Quench process for synthetic fibers using fog and flowing air
US4204828A (en) 1978-08-01 1980-05-27 Allied Chemical Corporation Quench system for synthetic fibers using fog and flowing air
CA1107950A (en) 1978-08-10 1981-09-01 Anupama Mishra Electret made of branched alpha-olefin polymer
US4340563A (en) 1980-05-05 1982-07-20 Kimberly-Clark Corporation Method for forming nonwoven webs
US4548628A (en) 1982-04-26 1985-10-22 Asahi Kasei Kogyo Kabushiki Kaisha Filter medium and process for preparing same
JPS5940290A (ja) * 1982-08-31 1984-03-05 Seiko Epson Corp アナログ多機能時計
WO1984003193A1 (en) 1983-02-04 1984-08-16 Minnesota Mining & Mfg Method and apparatus for manufacturing an electret filter medium
JPS60947A (ja) 1983-06-01 1985-01-07 大日本インキ化学工業株式会社 樹脂製筒状成形物
JPS6015137A (ja) 1983-07-08 1985-01-25 凸版印刷株式会社 角筒状容器の製造方法
US4594202A (en) 1984-01-06 1986-06-10 Pall Corporation Method of making cylindrical fibrous filter structures
JPS60168511A (ja) 1984-02-10 1985-09-02 Japan Vilene Co Ltd エレクトレツトフイルタの製造方法
JPS60196921A (ja) 1984-03-19 1985-10-05 東洋紡績株式会社 エレクトレツト化材料の製造法
DE3509857C2 (de) 1984-03-19 1994-04-28 Toyo Boseki Elektretisiertes Staubfilter und dessen Herstellung
SU1227738A1 (ru) * 1984-07-26 1986-04-30 Предприятие П/Я Р-6685 Устройство дл изготовлени нетканого материала
US4874659A (en) 1984-10-24 1989-10-17 Toray Industries Electret fiber sheet and method of producing same
US5254378A (en) 1986-05-08 1993-10-19 Minnesota Mining And Manufacturing Company Radiation resistant polypropylene articles and method for preparing same
US4931230A (en) 1986-05-08 1990-06-05 Minnesota Mining And Manufacturing Company Method for preparing radiation resistant polypropylene articles
GB8612070D0 (en) 1986-05-19 1986-06-25 Brown R C Blended-fibre filter material
US5078925A (en) 1987-07-01 1992-01-07 Minnesota Mining And Manufacturing Company Preparing polypropylene articles
US4950549A (en) 1987-07-01 1990-08-21 Minnesota Mining And Manufacturing Company Polypropylene articles and method for preparing same
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
US5113381A (en) * 1989-04-19 1992-05-12 Seiko Epson Corporation Multifunction electronic analog timepiece
US5280406A (en) 1992-06-18 1994-01-18 International Business Machines Corporation Jet deposition of electrical charge on a dielectric surface
US5254297A (en) 1992-07-15 1993-10-19 Exxon Chemical Patents Inc. Charging method for meltblown webs
US5370830A (en) 1992-09-23 1994-12-06 Kimberly-Clark Corporation Hydrosonic process for forming electret filter media
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
US5592357A (en) 1992-10-09 1997-01-07 The University Of Tennessee Research Corp. Electrostatic charging apparatus and method
AU669420B2 (en) 1993-03-26 1996-06-06 Minnesota Mining And Manufacturing Company Oily mist resistant electret filter media
EP0714463B1 (en) * 1993-08-17 1999-03-10 Minnesota Mining And Manufacturing Company Method of charging electret filter media
JP2765690B2 (ja) 1993-12-27 1998-06-18 花王株式会社 清掃用シート
CA2124237C (en) 1994-02-18 2004-11-02 Bernard Cohen Improved nonwoven barrier and method of making the same
JP3536428B2 (ja) * 1994-06-03 2004-06-07 セイコーエプソン株式会社 アナログ計測器の置き針表示装置及びアナログ計測器
CA2136576C (en) 1994-06-27 2005-03-08 Bernard Cohen Improved 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
US5665278A (en) 1996-01-17 1997-09-09 J & M Laboratories, Inc. Airless quench method and apparatus for meltblowing
US5817415A (en) * 1996-09-12 1998-10-06 E. I. Du Pont De Nemours And Company Meltblown ionomer microfibers and non-woven webs made therefrom for gas filters
US6068799A (en) * 1997-10-01 2000-05-30 3M Innovative Properties Company Method of making electret articles and filters with increased oily mist resistance
US6213122B1 (en) * 1997-10-01 2001-04-10 3M Innovative Properties Company Electret fibers and filter webs having a low level of extractable hydrocarbons
US6238466B1 (en) * 1997-10-01 2001-05-29 3M Innovative Properties Company Electret articles and filters with increased oily mist resistance
US6432175B1 (en) * 1998-07-02 2002-08-13 3M Innovative Properties Company Fluorinated electret
US6570823B1 (en) * 1999-09-16 2003-05-27 Eta Sa Fabriques D'ebauches Electronic chronograph watch
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

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US20020110610A1 (en) 2002-08-15
JP4518724B2 (ja) 2010-08-04
US6375886B1 (en) 2002-04-23
WO2001027371A1 (en) 2001-04-19
PL202748B1 (pl) 2009-07-31
PL354175A1 (en) 2003-12-29
KR100697125B1 (ko) 2007-03-22
AU771744B2 (en) 2004-04-01
CN1250794C (zh) 2006-04-12
EP1230453B1 (en) 2004-12-01
BR0014557B1 (pt) 2011-12-13
BR0014557A (pt) 2002-06-25
AU3473500A (en) 2001-04-23
DE60016450D1 (de) 2005-01-05
KR20020041452A (ko) 2002-06-01
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CA2385788A1 (en) 2001-04-19
EP1230453A1 (en) 2002-08-14

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