JP2011516261A5 - - Google Patents
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- Publication number
- JP2011516261A5 JP2011516261A5 JP2011504120A JP2011504120A JP2011516261A5 JP 2011516261 A5 JP2011516261 A5 JP 2011516261A5 JP 2011504120 A JP2011504120 A JP 2011504120A JP 2011504120 A JP2011504120 A JP 2011504120A JP 2011516261 A5 JP2011516261 A5 JP 2011516261A5
- Authority
- JP
- Japan
- Prior art keywords
- medium
- diameter
- pore size
- layer
- web
- 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.)
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- 238000001914 filtration Methods 0.000 claims description 61
- 239000002245 particle Substances 0.000 claims description 59
- 238000011144 upstream manufacturing Methods 0.000 claims description 52
- 239000002121 nanofiber Substances 0.000 claims description 48
- 239000011148 porous material Substances 0.000 claims description 48
- 238000000034 method Methods 0.000 claims description 45
- 229920001410 Microfiber Polymers 0.000 claims description 44
- 239000003658 microfiber Substances 0.000 claims description 44
- 239000000835 fiber Substances 0.000 claims description 12
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 80
- 239000000443 aerosol Substances 0.000 description 78
- 239000011780 sodium chloride Substances 0.000 description 40
- 239000000463 material Substances 0.000 description 4
- 238000001523 electrospinning Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12335008P | 2008-04-07 | 2008-04-07 | |
| US61/123,350 | 2008-04-07 | ||
| US13249808P | 2008-06-19 | 2008-06-19 | |
| US61/132,498 | 2008-06-19 | ||
| PCT/US2009/039742 WO2009126605A2 (en) | 2008-04-07 | 2009-04-07 | Air filtration medium with improved dust loading capacity and improved resistance to high humidity environment |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2011516261A JP2011516261A (ja) | 2011-05-26 |
| JP2011516261A5 true JP2011516261A5 (enExample) | 2012-05-31 |
| JP5619723B2 JP5619723B2 (ja) | 2014-11-05 |
Family
ID=41100566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011504120A Active JP5619723B2 (ja) | 2008-04-07 | 2009-04-07 | 塵集積容量が向上しかつ高湿度環境に対する抵抗性が向上した空気濾過媒体 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8282712B2 (enExample) |
| EP (1) | EP2259860B1 (enExample) |
| JP (1) | JP5619723B2 (enExample) |
| KR (1) | KR101700455B1 (enExample) |
| CN (1) | CN101983097B (enExample) |
| BR (1) | BRPI0906535A2 (enExample) |
| WO (1) | WO2009126605A2 (enExample) |
Families Citing this family (50)
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|---|---|---|---|---|
| US6743273B2 (en) | 2000-09-05 | 2004-06-01 | Donaldson Company, Inc. | Polymer, polymer microfiber, polymer nanofiber and applications including filter structures |
| US7892993B2 (en) | 2003-06-19 | 2011-02-22 | Eastman Chemical Company | Water-dispersible and multicomponent fibers from sulfopolyesters |
| US8513147B2 (en) | 2003-06-19 | 2013-08-20 | Eastman Chemical Company | Nonwovens produced from multicomponent fibers |
| US20040260034A1 (en) | 2003-06-19 | 2004-12-23 | Haile William Alston | Water-dispersible fibers and fibrous articles |
| US8172092B2 (en) * | 2009-01-22 | 2012-05-08 | Clarcor Inc. | Filter having melt-blown and electrospun fibers |
| ES2477219T3 (es) * | 2009-02-17 | 2014-07-16 | Essentra Porous Technologies Corp. | Estructuras de fibras de transmisión de fluidos, de múltiples capas, que contienen nanofibras y método de fabricación de tales estructuras |
| JP2012520761A (ja) | 2009-03-19 | 2012-09-10 | イー・エム・デイー・ミリポア・コーポレイシヨン | ナノ繊維濾過媒体を用いる、流体資料からの微生物の除去 |
| US8512519B2 (en) | 2009-04-24 | 2013-08-20 | Eastman Chemical Company | Sulfopolyesters for paper strength and process |
| US8636833B2 (en) * | 2009-09-16 | 2014-01-28 | E I Du Pont De Nemours And Company | Air filtration medium with improved dust loading capacity and improved resistance to high humidity environment |
| SG185659A1 (en) | 2010-08-10 | 2012-12-28 | Emd Millipore Corp | Method for retrovirus removal |
| US9273417B2 (en) | 2010-10-21 | 2016-03-01 | Eastman Chemical Company | Wet-Laid process to produce a bound nonwoven article |
| US11154821B2 (en) | 2011-04-01 | 2021-10-26 | Emd Millipore Corporation | Nanofiber containing composite membrane structures |
| CN102240490A (zh) * | 2011-07-13 | 2011-11-16 | 东华大学 | 一种暖通空调用折叠式空气净化过滤器 |
| KR102280136B1 (ko) * | 2011-08-12 | 2021-07-22 | 도널드선 컴파니 인코포레이티드 | 멜트-블로운 섬유를 포함하는 액체 여과 매질 |
| JP5838408B2 (ja) | 2011-10-27 | 2016-01-06 | 株式会社生方製作所 | 静電容量式液面センサー |
| CA2862359C (en) | 2012-01-05 | 2016-12-20 | Tdc Filter Manufacturing, Inc. | Waterproof and salt repellant media and filter |
| US8871052B2 (en) | 2012-01-31 | 2014-10-28 | Eastman Chemical Company | Processes to produce short cut microfibers |
| JP2014084548A (ja) * | 2012-10-26 | 2014-05-12 | Teijin Ltd | 不織布およびその製造方法 |
| US20140190137A1 (en) * | 2013-01-10 | 2014-07-10 | Tdc Filter Manufacturing, Inc. | Media and Filter for Coastal and High Humidity Areas |
| ES2684527T3 (es) | 2013-02-14 | 2018-10-03 | Nanopareil, Llc | Fieltro híbrido de nanofibras electrohiladas, método de preparación del mismo y método de purificación de biomoléculas |
| US10357730B2 (en) | 2013-03-15 | 2019-07-23 | Donaldson Company, Inc. | Filter media and elements |
| US9617685B2 (en) | 2013-04-19 | 2017-04-11 | Eastman Chemical Company | Process for making paper and nonwoven articles comprising synthetic microfiber binders |
| DE102013007118A1 (de) * | 2013-04-25 | 2014-10-30 | Mann + Hummel Gmbh | Mehrlagiges Filterelement |
| US9474994B2 (en) | 2013-06-17 | 2016-10-25 | Donaldson Company, Inc. | Filter media and elements |
| JP6554462B2 (ja) | 2013-10-21 | 2019-07-31 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニーE.I.Du Pont De Nemours And Company | 空気濾過媒体としてのエレクトレットナノファイバーウェブ |
| JP6158061B2 (ja) * | 2013-12-10 | 2017-07-05 | 北越紀州製紙株式会社 | エアフィルタ用濾材 |
| US9605126B2 (en) | 2013-12-17 | 2017-03-28 | Eastman Chemical Company | Ultrafiltration process for the recovery of concentrated sulfopolyester dispersion |
| US9598802B2 (en) | 2013-12-17 | 2017-03-21 | Eastman Chemical Company | Ultrafiltration process for producing a sulfopolyester concentrate |
| US10653979B2 (en) * | 2014-04-10 | 2020-05-19 | Donaldson Company, Inc. | Pleated fluid filter element and methods |
| CN112957789A (zh) | 2014-06-26 | 2021-06-15 | Emd密理博公司 | 具有增强的污垢容纳能力的过滤器结构 |
| US10343095B2 (en) | 2014-12-19 | 2019-07-09 | Hollingsworth & Vose Company | Filter media comprising a pre-filter layer |
| US11241647B2 (en) | 2015-03-25 | 2022-02-08 | K&N Engineering, Inc. | HVAC home air filter |
| US10632411B2 (en) | 2015-03-25 | 2020-04-28 | K&N Engineering, Inc. | HVAC home air filter |
| US10828587B2 (en) * | 2015-04-17 | 2020-11-10 | Hollingsworth & Vose Company | Stable filter media including nanofibers |
| DK3283202T3 (da) | 2015-04-17 | 2025-12-01 | Emd Millipore Corp | Fremgangsmåde til rensning af et biologisk materiale af interesse i en prøve gennem brug af ultrafiltreringsmembraner af nanofibre i tangentiel strømningsfiltreringstilstand |
| US10449474B2 (en) | 2015-09-18 | 2019-10-22 | Hollingsworth & Vose Company | Filter media including a waved filtration layer |
| US10561972B2 (en) * | 2015-09-18 | 2020-02-18 | Hollingsworth & Vose Company | Filter media including a waved filtration layer |
| EP3481533A4 (en) * | 2016-07-11 | 2020-03-25 | K & N Engineering, Inc. | AIR FILTER FOR HVAC HOME SYSTEM |
| WO2018175556A1 (en) * | 2017-03-22 | 2018-09-27 | Hollingsworth & Vose Company | Filter media including a waved filteration layer |
| US10913022B2 (en) | 2017-03-29 | 2021-02-09 | Knowlton Technologies, Llc | Process for utilizing a high efficiency synthetic filter media |
| US20180290087A1 (en) * | 2017-04-11 | 2018-10-11 | Hollingsworth & Vose Company | Polyethersulfone fiber webs |
| WO2019016605A1 (en) | 2017-07-21 | 2019-01-24 | Merck Millipore Ltd | MEMBRANES OF NONWOVEN FIBERS |
| CA3102787A1 (en) | 2018-06-08 | 2019-12-12 | Ascend Performance Materials Operations Llc | Tunable nanofiber nonwoven products |
| US11420143B2 (en) | 2018-11-05 | 2022-08-23 | Hollingsworth & Vose Company | Filter media with irregular structure and/or reversibly stretchable layers |
| US11433332B2 (en) | 2018-11-05 | 2022-09-06 | Hollingsworth & Vose Company | Filter media with irregular structure |
| US11452959B2 (en) | 2018-11-30 | 2022-09-27 | Hollingsworth & Vose Company | Filter media having a fine pore size distribution |
| JP2022527393A (ja) | 2019-04-12 | 2022-06-01 | アセンド・パフォーマンス・マテリアルズ・オペレーションズ・リミテッド・ライアビリティ・カンパニー | ナノファイバー層を有する不織布多層構造体 |
| KR102127319B1 (ko) * | 2019-07-09 | 2020-06-29 | 주식회사 대창 | 나노섬유를 포함하는 기재 및 이를 제조하는 방법 |
| WO2021195275A1 (en) | 2020-03-24 | 2021-09-30 | Donaldson Company, Inc. | High efficiency filter media |
| CN119962213A (zh) * | 2025-01-14 | 2025-05-09 | 中国矿业大学 | 一种干式除尘系统非稳态过滤阻力预测方法 |
Family Cites Families (41)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2797163A (en) | 1952-11-22 | 1957-06-25 | Walter J Smith | Method of making filter media |
| US3253978A (en) | 1961-07-19 | 1966-05-31 | C H Dexter & Sons Inc | Method of forming an inorganic waterlaid sheet containing colloidal silica and cationic starch |
| US3228825A (en) | 1961-08-15 | 1966-01-11 | Owens Corning Fiberglass Corp | Method of forming fibrous structures from a combination of glass fibers and cellulosic fibers |
| BE637997A (enExample) | 1962-10-01 | |||
| DE1494897B2 (de) | 1963-05-29 | 1971-11-11 | J P Stevens & Co Ine , New York, N Y (V St A) | Verfahren zum reinigen von schlichte aufweisendem glasfaser material |
| US3249491A (en) | 1963-07-15 | 1966-05-03 | James A Young | Process for molding a glass fiber aerosol filter |
| US3882135A (en) | 1972-08-31 | 1975-05-06 | Dow Chemical Co | Process for the preparation of aminopyridines |
| GB1522605A (en) | 1974-09-26 | 1978-08-23 | Ici Ltd | Preparation of fibrous sheet product |
| NL181632C (nl) | 1976-12-23 | 1987-10-01 | Minnesota Mining & Mfg | Electreetfilter en werkwijze voor het vervaardigen daarvan. |
| US4536361A (en) | 1978-08-28 | 1985-08-20 | Torobin Leonard B | Method for producing plastic microfilaments |
| US4874659A (en) | 1984-10-24 | 1989-10-17 | Toray Industries | Electret fiber sheet and method of producing same |
| DE9320208U1 (de) | 1993-12-31 | 1994-03-31 | Kalthoff Luftfilter und Filtermedien GmbH, 59379 Selm | Mehrschichtiges Filtermaterial |
| DE4443158A1 (de) | 1994-12-05 | 1996-06-13 | Gessner & Co Gmbh | Abreinigbares Filtermedium |
| US6171684B1 (en) | 1995-11-17 | 2001-01-09 | Donaldson Company, Inc. | Filter material construction and method |
| US5672399A (en) | 1995-11-17 | 1997-09-30 | Donaldson Company, Inc. | Filter material construction and method |
| DE19618758C2 (de) | 1996-05-09 | 2001-08-23 | Fibermark Gessner Gmbh & Co | Ein- oder mehrlagiges, abreinigbares Filtermedium und Filterelement |
| US6315806B1 (en) | 1997-09-23 | 2001-11-13 | Leonard Torobin | Method and apparatus for producing high efficiency fibrous media incorporating discontinuous sub-micron diameter fibers, and web media formed thereby |
| US6183670B1 (en) | 1997-09-23 | 2001-02-06 | Leonard Torobin | Method and apparatus for producing high efficiency fibrous media incorporating discontinuous sub-micron diameter fibers, and web media formed thereby |
| CN1134280C (zh) * | 1997-09-29 | 2004-01-14 | 唐纳森公司 | 过滤器材料的结构及其制作方法 |
| EP1028794A1 (en) * | 1997-09-29 | 2000-08-23 | Donaldson Company, Inc. | Filter material construction and method |
| AU2705600A (en) | 1998-10-01 | 2000-05-01 | University Of Akron, The | Process and apparatus for the production of nanofibers |
| DE19920983C5 (de) | 1999-05-06 | 2004-11-18 | Fibermark Gessner Gmbh & Co. Ohg | Zwei- oder mehrlagiges Filtermedium für die Luftfiltration und daraus hergestelltes Filterelement |
| WO2001009425A1 (en) * | 1999-08-02 | 2001-02-08 | E.I. Du Pont De Nemours And Company | Composite nonwoven sheet material |
| JP2002001027A (ja) * | 2000-06-22 | 2002-01-08 | Tennex Corp | 多層集塵フィルター |
| GB0113776D0 (en) * | 2001-06-06 | 2001-07-25 | Switched Reluctance Drives Ltd | Excitation of switched reluctance motors |
| US6520425B1 (en) | 2001-08-21 | 2003-02-18 | The University Of Akron | Process and apparatus for the production of nanofibers |
| US6695992B2 (en) | 2002-01-22 | 2004-02-24 | The University Of Akron | Process and apparatus for the production of nanofibers |
| KR100549140B1 (ko) | 2002-03-26 | 2006-02-03 | 이 아이 듀폰 디 네모아 앤드 캄파니 | 일렉트로-브로운 방사법에 의한 초극세 나노섬유 웹제조방법 |
| AU2003272542A1 (en) * | 2002-09-17 | 2004-04-08 | E.I. Du Pont De Nemours And Company | Extremely high liquid barrier fabrics |
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| CN100484607C (zh) * | 2003-06-19 | 2009-05-06 | 唐纳森公司 | 可清洁的高效过滤介质结构及其应用 |
| JP4614669B2 (ja) * | 2004-02-03 | 2011-01-19 | 日本バイリーン株式会社 | 濾過材及びフィルタ |
| ES2354617T3 (es) | 2004-04-19 | 2011-03-16 | The Procter And Gamble Company | Fibras, materiales no tejidos y artículos que contienen nanofibras producidas a partir de polímeros con elevada temperatura de transición vítrea. |
| US7591883B2 (en) | 2004-09-27 | 2009-09-22 | Cornell Research Foundation, Inc. | Microfiber supported nanofiber membrane |
| US20060137317A1 (en) | 2004-12-28 | 2006-06-29 | Bryner Michael A | Filtration media for filtering particulate material from gas streams |
| JP4657782B2 (ja) * | 2005-04-07 | 2011-03-23 | 帝人テクノプロダクツ株式会社 | 高捕集効率と低圧力損失とを兼ね備えたフィルター |
| JP4745815B2 (ja) * | 2005-12-20 | 2011-08-10 | 帝人テクノプロダクツ株式会社 | 内燃機関空気取り入れ用フィルター材 |
| EP1834683A1 (de) | 2006-03-14 | 2007-09-19 | Diolen Industrial Fibers B.V. | Stützgewebe und ein das Gewebe enthaltendes Filterelement |
| JP2007301436A (ja) * | 2006-05-08 | 2007-11-22 | Kanai Juyo Kogyo Co Ltd | エアフィルタ用濾材 |
| WO2008032388A1 (en) * | 2006-09-14 | 2008-03-20 | Dynic Corporation | Air filter material |
-
2009
- 2009-04-06 US US12/418,928 patent/US8282712B2/en active Active
- 2009-04-07 EP EP09729386.4A patent/EP2259860B1/en active Active
- 2009-04-07 CN CN200980111858.2A patent/CN101983097B/zh active Active
- 2009-04-07 JP JP2011504120A patent/JP5619723B2/ja active Active
- 2009-04-07 KR KR1020107024866A patent/KR101700455B1/ko active Active
- 2009-04-07 BR BRPI0906535-0A patent/BRPI0906535A2/pt not_active IP Right Cessation
- 2009-04-07 WO PCT/US2009/039742 patent/WO2009126605A2/en not_active Ceased
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