CN115646068A - 含驻极体的过滤介质 - Google Patents
含驻极体的过滤介质 Download PDFInfo
- Publication number
- CN115646068A CN115646068A CN202211237409.6A CN202211237409A CN115646068A CN 115646068 A CN115646068 A CN 115646068A CN 202211237409 A CN202211237409 A CN 202211237409A CN 115646068 A CN115646068 A CN 115646068A
- Authority
- CN
- China
- Prior art keywords
- equal
- less
- layer
- filter media
- fibers
- 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.)
- Pending
Links
Images
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
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
- B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
- B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
-
- 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
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/0604—Arrangement of the fibres in the filtering material
- B01D2239/064—The fibres being mixed
-
- 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
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/065—More than one layer present in the filtering material
- B01D2239/0654—Support layers
-
- 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
- B01D2239/12—Special parameters characterising the filtering material
- B01D2239/1258—Permeability
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/438,042 US11077394B2 (en) | 2017-02-21 | 2017-02-21 | Electret-containing filter media |
US15/438,028 US10814261B2 (en) | 2017-02-21 | 2017-02-21 | Electret-containing filter media |
US15/438,042 | 2017-02-21 | ||
US15/438,028 | 2017-02-21 | ||
US15/790,651 US20180236385A1 (en) | 2017-02-21 | 2017-10-23 | Electret-containing filter media |
US15/790,651 | 2017-10-23 | ||
PCT/US2018/018924 WO2018156561A1 (fr) | 2017-02-21 | 2018-02-21 | Milieu filtrant contenant un électret |
CN201880025705.5A CN110545894B (zh) | 2017-02-21 | 2018-02-21 | 含驻极体的过滤介质 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201880025705.5A Division CN110545894B (zh) | 2017-02-21 | 2018-02-21 | 含驻极体的过滤介质 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN115646068A true CN115646068A (zh) | 2023-01-31 |
Family
ID=63254432
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201880025705.5A Active CN110545894B (zh) | 2017-02-21 | 2018-02-21 | 含驻极体的过滤介质 |
CN202211237409.6A Pending CN115646068A (zh) | 2017-02-21 | 2018-02-21 | 含驻极体的过滤介质 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201880025705.5A Active CN110545894B (zh) | 2017-02-21 | 2018-02-21 | 含驻极体的过滤介质 |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3585499A4 (fr) |
CN (2) | CN110545894B (fr) |
WO (1) | WO2018156561A1 (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11420143B2 (en) | 2018-11-05 | 2022-08-23 | Hollingsworth & Vose Company | Filter media with irregular structure and/or reversibly stretchable layers |
US20210187421A1 (en) * | 2019-12-19 | 2021-06-24 | Hollingsworth & Vose Company | Filter media comprising a non-wetlaid backer |
CN111495035B (zh) * | 2020-02-28 | 2022-09-06 | 中科贝思达(厦门)环保科技股份有限公司 | 一种驻极纳米纤维空气过滤材料及其制备方法 |
CN115397539A (zh) * | 2020-05-04 | 2022-11-25 | 霍林斯沃思和沃斯有限公司 | 具有不规则结构和/或可逆拉伸层的过滤介质 |
IL298309B1 (en) * | 2020-06-26 | 2024-07-01 | Jabil Inc | Polyester/poly(methyl methacrylate) articles and methods for their production |
WO2022064332A1 (fr) * | 2020-09-22 | 2022-03-31 | 3M Innovative Properties Company | Filtre avec additifs à électret |
RU205640U1 (ru) * | 2020-12-03 | 2021-07-26 | Ольга Александровна Лещинская | Электростатический фильтр |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54112071A (en) * | 1978-02-22 | 1979-09-01 | Mitsui Petrochemical Ind | Method of filtering liquid |
US5277976A (en) * | 1991-10-07 | 1994-01-11 | Minnesota Mining And Manufacturing Company | Oriented profile fibers |
US5898981A (en) * | 1996-04-30 | 1999-05-04 | Minnesota Mining & Manufacturing Company | Synthetic filter media and method for manufacturing same |
WO1999052619A1 (fr) * | 1998-04-08 | 1999-10-21 | All-Felt Filtration, Llc | Composites ameliores de milieu de filtrage |
GB9815629D0 (en) | 1998-07-18 | 1998-09-16 | Hepworth Minerals & Chemicals | Filter materials and methods for the producton thereof |
US6537614B1 (en) * | 1998-12-18 | 2003-03-25 | Kimberly-Clark Worldwide, Inc. | Cationically charged coating on hydrophobic polymer fibers with poly (vinyl alcohol) assist |
CN101306278B (zh) * | 2002-09-16 | 2011-08-17 | 特里奥辛控股有限公司 | 面具和过滤封闭物的组合 |
US7244292B2 (en) * | 2005-05-02 | 2007-07-17 | 3M Innovative Properties Company | Electret article having heteroatoms and low fluorosaturation ratio |
US8202340B2 (en) * | 2007-02-28 | 2012-06-19 | Hollingsworth & Vose Company | Waved filter media and elements |
US8257459B2 (en) * | 2007-02-28 | 2012-09-04 | Hollingsworth & Vose Company | Waved filter media and elements |
WO2009062009A2 (fr) * | 2007-11-09 | 2009-05-14 | Hollingsworth & Vose Company | Milieu filtrant soufflé par fusion |
US8679218B2 (en) * | 2010-04-27 | 2014-03-25 | Hollingsworth & Vose Company | Filter media with a multi-layer structure |
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 |
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 |
US20120152824A1 (en) | 2010-12-17 | 2012-06-21 | Hollingsworth & Vose Company | Fine fiber filter media and processes |
US20120152821A1 (en) | 2010-12-17 | 2012-06-21 | Hollingsworth & Vose Company | Fine fiber filter media and processes |
US9694306B2 (en) * | 2013-05-24 | 2017-07-04 | Hollingsworth & Vose Company | Filter media including polymer compositions and blends |
CN105214510B (zh) * | 2014-04-15 | 2017-05-03 | 纳米新能源(唐山)有限责任公司 | 基于摩擦发电的pm2.5滤膜及其制备方法 |
CN105013248A (zh) * | 2014-04-20 | 2015-11-04 | 汪涛 | 一种空气过滤材料及其制造方法 |
EP3175902B1 (fr) * | 2014-07-30 | 2021-11-10 | Japan Vilene Company, Ltd. | Matériau de filtration, élément de filtre l'utilisant, et procédé de fabrication de matériau de filtration |
US20160199765A1 (en) * | 2015-01-08 | 2016-07-14 | Panasonic Intellectual Property Management Co., Ltd. | Nonwoven fabric, air purifier using the same, and method for producing nonwoven fabric |
CN105771427B (zh) * | 2016-04-16 | 2018-05-15 | 青岛锦美盛无纺布有限公司 | 一种空气过滤用驻极体非织造过滤材料 |
EP3487602A4 (fr) * | 2016-07-22 | 2020-01-15 | Hollingsworth & Vose Company | Milieux de filtration multicouches contenant des électrets |
-
2018
- 2018-02-21 EP EP18757748.1A patent/EP3585499A4/fr active Pending
- 2018-02-21 CN CN201880025705.5A patent/CN110545894B/zh active Active
- 2018-02-21 CN CN202211237409.6A patent/CN115646068A/zh active Pending
- 2018-02-21 WO PCT/US2018/018924 patent/WO2018156561A1/fr unknown
Also Published As
Publication number | Publication date |
---|---|
EP3585499A4 (fr) | 2020-12-23 |
EP3585499A1 (fr) | 2020-01-01 |
CN110545894B (zh) | 2022-10-28 |
WO2018156561A1 (fr) | 2018-08-30 |
CN110545894A (zh) | 2019-12-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US20220126226A1 (en) | Electret-containing filter media | |
CN110545894B (zh) | 含驻极体的过滤介质 | |
US20220105453A1 (en) | Electret-containing filter media | |
US11338239B2 (en) | Coalescing filter media | |
US11266941B2 (en) | Surface modified filter media | |
US10279291B2 (en) | Pre-coalescing multi-layered filter media | |
US20160361674A1 (en) | Filter media including fine staple fibers | |
US20210178304A1 (en) | Electret-containing filter media | |
US20220054961A1 (en) | Electret-containing filter media | |
US20180001244A1 (en) | Multi-layered electret-containing filtration media | |
US20180001247A1 (en) | Multi-layered electret-containing filtration media | |
US11090590B2 (en) | Pre-coalescing multi-layered filter media | |
WO2017214419A1 (fr) | Milieu filtrant comprenant de fines fibres discontinues | |
JP2017113670A (ja) | エアフィルター用濾材およびエアフィルター | |
CN109475798A (zh) | 多层的含驻极体的过滤介质 | |
EP3142774A1 (fr) | Matériau filtrant multicouche pré-coalescent | |
US20240207764A1 (en) | High performance filter media | |
JP2024141431A (ja) | 不織布およびその製造方法ならびにフィルターユニット、空気清浄機 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |