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 flüssigkeitInfo
- 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
Links
- 239000000835 fiber Substances 0.000 title abstract 8
- 239000007788 liquid Substances 0.000 title abstract 4
- 238000001035 drying Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
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)
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 (de) |
| EP (1) | EP1230453B1 (de) |
| JP (1) | JP4518724B2 (de) |
| KR (1) | KR100697125B1 (de) |
| CN (1) | CN1250794C (de) |
| AT (1) | ATE283940T1 (de) |
| AU (1) | AU771744B2 (de) |
| BR (1) | BR0014557B1 (de) |
| CA (1) | CA2385788A1 (de) |
| DE (1) | DE60016450T2 (de) |
| PL (1) | PL202748B1 (de) |
| RU (1) | RU2238354C2 (de) |
| WO (1) | WO2001027371A1 (de) |
Families Citing this family (124)
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|---|---|---|---|---|
| US6432175B1 (en) | 1998-07-02 | 2002-08-13 | 3M Innovative Properties Company | Fluorinated electret |
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| 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 |
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Family Cites Families (53)
| 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 |
| US4204828A (en) | 1978-08-01 | 1980-05-27 | Allied Chemical Corporation | Quench system for synthetic fibers using fog and flowing air |
| US4277430A (en) | 1978-08-01 | 1981-07-07 | Allied Chemical Corporation | Quench process 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 |
| AU565762B2 (en) | 1983-02-04 | 1987-09-24 | Minnesota Mining And Manufacturing Company | 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 |
| US4931230A (en) | 1986-05-08 | 1990-06-05 | Minnesota Mining And Manufacturing Company | Method for preparing radiation resistant polypropylene articles |
| US5254378A (en) | 1986-05-08 | 1993-10-19 | Minnesota Mining And Manufacturing Company | Radiation resistant polypropylene articles and method for preparing same |
| 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 |
| US5592357A (en) | 1992-10-09 | 1997-01-07 | The University Of Tennessee Research Corp. | Electrostatic charging apparatus and method |
| 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 |
| AU669420B2 (en) | 1993-03-26 | 1996-06-06 | Minnesota Mining And Manufacturing Company | Oily mist resistant electret filter media |
| RU2130521C1 (ru) * | 1993-08-17 | 1999-05-20 | Миннесота Майнинг Энд Мэнюфекчуринг Компани | Способ электризации нетканого полотна, электретная фильтрующая среда, упругая фильтрующая маска и респираторная маска в сборе |
| 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 |
| 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 |
| US6068799A (en) * | 1997-10-01 | 2000-05-30 | 3M Innovative Properties Company | Method of making 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 |
-
1999
- 1999-10-08 US US09/415,566 patent/US6375886B1/en not_active Expired - Lifetime
-
2000
- 2000-01-26 DE DE60016450T patent/DE60016450T2/de not_active Expired - Lifetime
- 2000-01-26 BR BRPI0014557-2A patent/BR0014557B1/pt not_active IP Right Cessation
- 2000-01-26 CN CNB008139717A patent/CN1250794C/zh not_active Expired - Fee Related
- 2000-01-26 KR KR1020027004449A patent/KR100697125B1/ko not_active Expired - Fee Related
- 2000-01-26 WO PCT/US2000/001973 patent/WO2001027371A1/en not_active Ceased
- 2000-01-26 JP JP2001529498A patent/JP4518724B2/ja not_active Expired - Fee Related
- 2000-01-26 AT AT00913259T patent/ATE283940T1/de not_active IP Right Cessation
- 2000-01-26 RU RU2002108687A patent/RU2238354C2/ru not_active IP Right Cessation
- 2000-01-26 CA CA002385788A patent/CA2385788A1/en not_active Abandoned
- 2000-01-26 AU AU34735/00A patent/AU771744B2/en not_active Ceased
- 2000-01-26 EP EP00913259A patent/EP1230453B1/de not_active Expired - Lifetime
- 2000-01-26 PL PL354175A patent/PL202748B1/pl unknown
-
2002
- 2002-02-12 US US10/074,930 patent/US20020110610A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| DE60016450T2 (de) | 2005-12-15 |
| CA2385788A1 (en) | 2001-04-19 |
| WO2001027371A1 (en) | 2001-04-19 |
| PL354175A1 (en) | 2003-12-29 |
| JP2003511577A (ja) | 2003-03-25 |
| RU2238354C2 (ru) | 2004-10-20 |
| AU771744B2 (en) | 2004-04-01 |
| KR100697125B1 (ko) | 2007-03-22 |
| BR0014557A (pt) | 2002-06-25 |
| DE60016450D1 (de) | 2005-01-05 |
| AU3473500A (en) | 2001-04-23 |
| PL202748B1 (pl) | 2009-07-31 |
| BR0014557B1 (pt) | 2011-12-13 |
| US6375886B1 (en) | 2002-04-23 |
| CN1250794C (zh) | 2006-04-12 |
| US20020110610A1 (en) | 2002-08-15 |
| EP1230453B1 (de) | 2004-12-01 |
| JP4518724B2 (ja) | 2010-08-04 |
| CN1378609A (zh) | 2002-11-06 |
| KR20020041452A (ko) | 2002-06-01 |
| EP1230453A1 (de) | 2002-08-14 |
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