KR920009446A - 엘렉트레트 필터 - Google Patents
엘렉트레트 필터 Download PDFInfo
- Publication number
- KR920009446A KR920009446A KR1019910021915A KR910021915A KR920009446A KR 920009446 A KR920009446 A KR 920009446A KR 1019910021915 A KR1019910021915 A KR 1019910021915A KR 910021915 A KR910021915 A KR 910021915A KR 920009446 A KR920009446 A KR 920009446A
- Authority
- KR
- South Korea
- Prior art keywords
- electret filter
- pure water
- contact angle
- wet
- resin
- Prior art date
Links
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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/28—Plant or installations without electricity supply, e.g. using electrets
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
-
- 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
- Y10S55/05—Methods of making filter
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Electrostatic Separation (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 순수에 의한 습윤(wetting)시의 접촉각을 측정하기 위한 수적(liquid droplet)법을 설명하는 도면,
제2도는 실시예 1∼15와 비교예 1∼15에서 제조된 필터 샘플의 담배연기 흡착성능을 시험하는데 사용되는 장치의 개략도,
제3도는 상기 필터 샘플들의 포집효율을 측정하는데 사용되는 장치의 개략도.
Claims (3)
- 순수에 대한 습윤시의 접촉각이 95°이상인 수지로 제조된 엘렉트레트 필터.
- 실리콘오일의 배합에 의하여, 순수에 대한 습윤시의 접촉각이 95°이상으로 조정된 수지로 제조된 엘렉트레트 필터.
- 제2항에 있어서, 상기 실리콘오일 함유량이 0.05∼5중량%인 엘렉트레트 필터.※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP33430290 | 1990-11-30 | ||
JP90-334302 | 1990-11-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920009446A true KR920009446A (ko) | 1992-06-25 |
KR100190425B1 KR100190425B1 (ko) | 1999-06-01 |
Family
ID=18275829
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019910021915A KR100190425B1 (ko) | 1990-11-30 | 1991-11-30 | 엘렉트레트 필터 |
Country Status (6)
Country | Link |
---|---|
US (1) | US5304227A (ko) |
EP (2) | EP0488822A3 (ko) |
JP (1) | JPH05214A (ko) |
KR (1) | KR100190425B1 (ko) |
CA (1) | CA2056579A1 (ko) |
DE (1) | DE69129666T2 (ko) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0669849B1 (en) * | 1992-11-23 | 1996-12-27 | W.L. Gore & Associates, Inc. | Triboelectric filtration material |
EP0615007B1 (de) * | 1993-03-09 | 2004-02-04 | 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 |
JP4061656B2 (ja) * | 1993-12-28 | 2008-03-19 | ダイキン工業株式会社 | 塗料組成物および塗装物 |
USRE37150E1 (en) * | 1994-08-01 | 2001-05-01 | 3M Innovative Properties Company | Occupant air filter for vehicles |
US5645627A (en) * | 1995-02-28 | 1997-07-08 | Hollingsworth & Vose Company | Charge stabilized electret filter media |
JP3668283B2 (ja) * | 1995-05-16 | 2005-07-06 | 三菱樹脂株式会社 | 多孔質複層プラスチックフィルタ及びその製造方法 |
US5908598A (en) | 1995-08-14 | 1999-06-01 | Minnesota Mining And Manufacturing Company | Fibrous webs having enhanced electret properties |
US5721180A (en) * | 1995-12-22 | 1998-02-24 | Pike; Richard Daniel | Laminate filter media |
US5667562A (en) * | 1996-04-19 | 1997-09-16 | Kimberly-Clark Worldwide, Inc. | Spunbond vacuum cleaner webs |
US6162535A (en) | 1996-05-24 | 2000-12-19 | Kimberly-Clark Worldwide, Inc. | Ferroelectric fibers and applications therefor |
JP3566477B2 (ja) * | 1996-12-26 | 2004-09-15 | 興研株式会社 | 静電フィルター |
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 |
US6573205B1 (en) * | 1999-01-30 | 2003-06-03 | Kimberly-Clark Worldwide, Inc. | Stable electret polymeric articles |
KR200309868Y1 (ko) * | 2003-01-18 | 2003-04-08 | 송태룡 | 선풍기 겸용 히터 |
US7097694B1 (en) | 2003-12-04 | 2006-08-29 | Fleetguard, Inc. | High performance, high efficiency filter |
JP2006175313A (ja) * | 2004-12-21 | 2006-07-06 | Nitto Denko Corp | エアフィルタ濾材およびエアフィルタユニット |
US7553440B2 (en) * | 2005-05-12 | 2009-06-30 | Leonard William K | Method and apparatus for electric treatment of substrates |
US7390351B2 (en) * | 2006-02-09 | 2008-06-24 | 3M Innovative Properties Company | Electrets and compounds useful in electrets |
JP5188499B2 (ja) * | 2007-12-07 | 2013-04-24 | パナソニック株式会社 | 防汚性ポリプロピレン樹脂組成物並びにそれを利用した家電筐体および便座 |
CN102046871B (zh) * | 2008-06-02 | 2013-02-13 | 3M创新有限公司 | 驻极体料片、驻极体过滤介质和制备驻极体料片的方法 |
US20110308386A1 (en) * | 2010-06-16 | 2011-12-22 | Jerome Claracq | Efficiency-enhanced gas filter medium |
CN101887003B (zh) | 2010-06-29 | 2016-06-08 | 上海杰远环保科技有限公司 | 一种微粒测量装置及其测量方法 |
WO2013026193A1 (en) | 2011-08-23 | 2013-02-28 | Empire Technology Development Llc | Self-cleaning electret filter |
CN108136298B (zh) | 2015-10-02 | 2020-08-28 | 东洋纺株式会社 | 驻极体和驻极体滤材 |
KR102302538B1 (ko) * | 2019-08-29 | 2021-09-15 | 한국에너지기술연구원 | 마찰전기를 이용한 집진필터 및 그 제조방법 |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3307332A (en) * | 1964-12-11 | 1967-03-07 | Du Pont | Electrostatic gas filter |
FR1501835A (fr) * | 1966-09-22 | 1967-11-18 | Wonder Piles | Perfectionnements aux membranes étanches aux liquides mais perméables aux gaz, notamment pour piles et accumulateurs |
US3520416A (en) * | 1968-02-12 | 1970-07-14 | Pall Corp | Liquid and gas-permeable microporous materials and process for making the same |
US3631654A (en) * | 1968-10-03 | 1972-01-04 | Pall Corp | Gas purge device |
US3644605A (en) * | 1969-02-11 | 1972-02-22 | Bell Telephone Labor Inc | Method for producing permanent electret charges in dielectric materials |
US3675391A (en) * | 1969-05-01 | 1972-07-11 | American Cyanamid Co | Breathable waterproof fabric |
US3803810A (en) * | 1972-05-01 | 1974-04-16 | Pall Corp | Liquid-gas separator and filter |
US4017282A (en) * | 1973-06-18 | 1977-04-12 | Zahka Joseph G | Rain retardant screen |
US4126141A (en) * | 1975-03-26 | 1978-11-21 | Montclair Research Corporation | Filter and cigarette including a filter |
FR2357998A1 (fr) * | 1976-07-05 | 1978-02-03 | Inst Francais Du Petrole | Methode de fabrication d'elements sensibles possedant une polarisation electrique permanente de mise en oeuvre |
NL181632C (nl) * | 1976-12-23 | 1987-10-01 | Minnesota Mining & Mfg | Electreetfilter en werkwijze voor het vervaardigen daarvan. |
US4181514A (en) * | 1978-02-14 | 1980-01-01 | Huyck Corporation | Stitch knitted filters for high temperature fluids and method of making them |
JPS5925612B2 (ja) * | 1979-07-09 | 1984-06-19 | 新田ベルト株式会社 | エレクトレツトフイルタ− |
JPS5925614B2 (ja) * | 1979-07-09 | 1984-06-19 | 新田ベルト株式会社 | エレクトレツトフイルタ− |
NL7907539A (nl) * | 1979-10-11 | 1981-04-14 | Tno | Werkwijze voor het vervaardigen van elektreten. |
US4361619A (en) * | 1981-05-20 | 1982-11-30 | E. I. Du Pont De Nemours And Company | Filter of poly(tetrafluoroethylene) and glass fibers |
AU565762B2 (en) * | 1983-02-04 | 1987-09-24 | Minnesota Mining And Manufacturing Company | Method and apparatus for manufacturing an electret filter medium |
US4540625A (en) * | 1984-01-09 | 1985-09-10 | Hughes Aircraft Company | Flexible air permeable non-woven fabric filters |
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− |
US4874659A (en) * | 1984-10-24 | 1989-10-17 | Toray Industries | Electret fiber sheet and method of producing same |
DE3500368A1 (de) * | 1985-01-08 | 1986-07-10 | Rhodia Ag, 7800 Freiburg | Filter zur abtrennung von substanzen mit lipophilen und/oder oleophilen und/oder unpolaren eigenschaften aus andersartigen fluessigkeiten, gasen und daempfen |
US4657639A (en) * | 1985-05-31 | 1987-04-14 | The United States Of America As Represented By The Secretary Of The Air Force | Apparatus for electrostatic filtration of N2 O4 for removal of solid and vapor contaminants |
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) |
US4917942A (en) * | 1988-12-22 | 1990-04-17 | Minnesota Mining And Manufacturing Company | Nonwoven filter material |
-
1991
- 1991-11-15 JP JP3300420A patent/JPH05214A/ja active Pending
- 1991-11-28 CA CA002056579A patent/CA2056579A1/en not_active Abandoned
- 1991-11-30 KR KR1019910021915A patent/KR100190425B1/ko not_active IP Right Cessation
- 1991-12-02 DE DE69129666T patent/DE69129666T2/de not_active Expired - Fee Related
- 1991-12-02 EP EP19910311186 patent/EP0488822A3/en not_active Withdrawn
- 1991-12-02 EP EP94109783A patent/EP0620044B1/en not_active Expired - Lifetime
-
1993
- 1993-04-28 US US08/053,517 patent/US5304227A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5304227A (en) | 1994-04-19 |
JPH05214A (ja) | 1993-01-08 |
CA2056579A1 (en) | 1992-05-31 |
KR100190425B1 (ko) | 1999-06-01 |
EP0488822A3 (en) | 1992-07-15 |
EP0488822A2 (en) | 1992-06-03 |
EP0620044A2 (en) | 1994-10-19 |
EP0620044B1 (en) | 1998-06-24 |
DE69129666T2 (de) | 1998-12-10 |
DE69129666D1 (de) | 1998-07-30 |
EP0620044A3 (en) | 1994-12-14 |
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E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
LAPS | Lapse due to unpaid annual fee |