KR100190425B1 - 엘렉트레트 필터 - Google Patents
엘렉트레트 필터 Download PDFInfo
- Publication number
- KR100190425B1 KR100190425B1 KR1019910021915A KR910021915A KR100190425B1 KR 100190425 B1 KR100190425 B1 KR 100190425B1 KR 1019910021915 A KR1019910021915 A KR 1019910021915A KR 910021915 A KR910021915 A KR 910021915A KR 100190425 B1 KR100190425 B1 KR 100190425B1
- Authority
- KR
- South Korea
- Prior art keywords
- pure water
- wet
- contact angle
- electret
- filter
- 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.)
- Expired - Fee Related
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
Description
Claims (7)
- 순수에 대한 습윤시의 접촉각이 95° 미만인 수지와, 실리콘수지 0.05∼5중량%로 된순수에 대한 습윤시의 접촉각이 95° 이상인 수지조성물로 제조된 엘렉트레트 필터.
- 제1항에 있어서, 순수에 대한 습윤시의 접촉각이 95° 미만인 상기 수지가 폴리프로필렌, 폴리에틸렌테레프탈레이트, 폴리메타크릴레이트 및 폴리카보네이트로 이루어진 군에서 선택한 것을 특징으로 하는 엘렉트레트 필터.
- 제1항에 있어서, 상기 실리콘수지 함유량이 0.1∼1.0중량%인 것을 특징으로 하는 엘렉트레트 필터.
- 제1항에 있어서, 순수에 대한 습윤시의 접촉각이 95° 미만인 상기 수지가 폴리프로필렌인것을 특징으로 하는 엘렉트레트 필터.
- 제4항에 있어서, 순수에 대한 습윤시의 접촉각이 95° 이상인 상기 수지조성물이 무수말레이산으로 변성된 폴리프로필렌을 더 포함하는 것을 특징으로 하는 엘렉트레트 필터.
- 제5항에 있어서, 순수에 대한 습윤시의 접촉각이 95° 이상인 상기 수지조성물이 폴리카보네이트를 더 포함하는 것을 특징으로 하는 엘렉트레트 필터.
- 순수에 대한 습윤시의 접촉각이 95° 미만인 수지와, 실리콘수지 0.05∼5중량%로 된 순수에 대한 습윤시의 접촉각이 95° 이상인 수지조성물로 제조된 엘렉트레트 필터 섬유를 소정의 크기로 절단하고 ;상기 절단된 엘렉트레트섬유를 개면기와 접촉시켜 보풀을 일게 하고 ;상기 보풀이 일은 엘렉트레트섬유를 웨브로 형성하고 ;상기 웨브를 니들펀치하는 단계들로 이루어지는 바업에 의해 제조한 엘렉트레트 필터.
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 KR920009446A (ko) | 1992-06-25 |
KR100190425B1 true KR100190425B1 (ko) | 1999-06-01 |
Family
ID=18275829
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019910021915A Expired - Fee Related 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) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004065854A1 (en) * | 2003-01-18 | 2004-08-05 | Tae-Ryong Song | Fan-combined heater |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0669849B1 (en) * | 1992-11-23 | 1996-12-27 | W.L. Gore & Associates, Inc. | Triboelectric filtration material |
ATE259007T1 (de) * | 1993-03-09 | 2004-02-15 | 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 |
DE69428199T2 (de) * | 1993-12-28 | 2002-05-16 | Daikin Industries, Ltd. | Beschichtungszusammensetzung und beschichteter artikel |
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 |
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 |
WO2009072299A1 (ja) * | 2007-12-07 | 2009-06-11 | Panasonic Corporation | 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 |
KR102314307B1 (ko) * | 2015-10-02 | 2021-10-20 | 도요보 가부시키가이샤 | 일렉트릿 및 일렉트릿 필터 |
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 |
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− |
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− |
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 |
WO1984003193A1 (en) * | 1983-02-04 | 1984-08-16 | Minnesota Mining & Mfg | 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 Expired - Fee Related
- 1991-12-02 EP EP19910311186 patent/EP0488822A3/en not_active Withdrawn
- 1991-12-02 DE DE69129666T patent/DE69129666T2/de not_active Expired - Fee Related
- 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
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004065854A1 (en) * | 2003-01-18 | 2004-08-05 | Tae-Ryong Song | Fan-combined heater |
Also Published As
Publication number | Publication date |
---|---|
CA2056579A1 (en) | 1992-05-31 |
JPH05214A (ja) | 1993-01-08 |
DE69129666D1 (de) | 1998-07-30 |
EP0620044A2 (en) | 1994-10-19 |
EP0620044B1 (en) | 1998-06-24 |
EP0620044A3 (en) | 1994-12-14 |
KR920009446A (ko) | 1992-06-25 |
EP0488822A2 (en) | 1992-06-03 |
DE69129666T2 (de) | 1998-12-10 |
EP0488822A3 (en) | 1992-07-15 |
US5304227A (en) | 1994-04-19 |
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