CN101374583B - 驻极体和可用于驻极体的化合物 - Google Patents

驻极体和可用于驻极体的化合物 Download PDF

Info

Publication number
CN101374583B
CN101374583B CN2007800036834A CN200780003683A CN101374583B CN 101374583 B CN101374583 B CN 101374583B CN 2007800036834 A CN2007800036834 A CN 2007800036834A CN 200780003683 A CN200780003683 A CN 200780003683A CN 101374583 B CN101374583 B CN 101374583B
Authority
CN
China
Prior art keywords
naphthalene
electret filter
filter media
electret
independently
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
Application number
CN2007800036834A
Other languages
English (en)
Chinese (zh)
Other versions
CN101374583A (zh
Inventor
查尔斯·M·利尔
拉胡尔·R·沙阿
卡尔·E·本森
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
3M Innovative Properties Co
Original Assignee
3M Innovative Properties Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of CN101374583A publication Critical patent/CN101374583A/zh
Application granted granted Critical
Publication of CN101374583B publication Critical patent/CN101374583B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • B03C3/30—Plant or installations without electricity supply, e.g. using electrets in which electrostatic charge is generated by passage of the gases, i.e. tribo-electricity
    • 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
    • Y10S55/33—Gas mask canister
    • 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
    • Y10S55/35—Respirators and register filters
    • 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
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/608—Including strand or fiber material which is of specific structural definition
    • Y10T442/614—Strand or fiber material specified as having microdimensions [i.e., microfiber]
    • Y10T442/624—Microfiber is carbon or carbonaceous
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/696—Including strand or fiber material which is stated to have specific attributes [e.g., heat or fire resistance, chemical or solvent resistance, high absorption for aqueous compositions, water solubility, heat shrinkability, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Materials (AREA)
  • Electrostatic Separation (AREA)
  • Nonwoven Fabrics (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Adhesive Tapes (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Artificial Filaments (AREA)
CN2007800036834A 2006-02-09 2007-01-19 驻极体和可用于驻极体的化合物 Expired - Fee Related CN101374583B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/276,015 2006-02-09
US11/276,015 US7390351B2 (en) 2006-02-09 2006-02-09 Electrets and compounds useful in electrets
PCT/US2007/001502 WO2007094917A1 (en) 2006-02-09 2007-01-19 Electrets and compounds useful in electrets

Publications (2)

Publication Number Publication Date
CN101374583A CN101374583A (zh) 2009-02-25
CN101374583B true CN101374583B (zh) 2012-07-04

Family

ID=38332678

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2007800036834A Expired - Fee Related CN101374583B (zh) 2006-02-09 2007-01-19 驻极体和可用于驻极体的化合物

Country Status (8)

Country Link
US (1) US7390351B2 (https=)
EP (1) EP2004302B1 (https=)
JP (2) JP2009526141A (https=)
KR (1) KR20090004851A (https=)
CN (1) CN101374583B (https=)
RU (1) RU2404841C2 (https=)
TW (1) TW200738319A (https=)
WO (1) WO2007094917A1 (https=)

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1874430B1 (en) * 2005-04-22 2008-11-12 3M Innovative Properties Company Vehicle passenger compartment air filter devices
BRPI0819048C8 (pt) * 2007-12-06 2018-08-07 3M Innovative Properties Co "meio filtrante de eletreto e método de preparo de uma manta de eletreto"
BRPI0909855A2 (pt) * 2008-06-02 2015-10-06 3M Innovative Properties Co "aditivos acentuadores de carga para eletretos"
US7765698B2 (en) * 2008-06-02 2010-08-03 3M Innovative Properties Company Method of making electret articles based on zeta potential
EP2294257B1 (en) * 2008-06-02 2014-01-22 3M Innovative Properties Company Electret webs with charge-enhancing additives
WO2010002773A2 (en) * 2008-06-30 2010-01-07 3M Innovative Properties Company Method for in situ formation of metal nanoclusters within a porous substrate field
US8105411B2 (en) * 2008-08-28 2012-01-31 Illinois Tool Works Inc. Fluid filter system and method
US8357220B2 (en) 2008-11-07 2013-01-22 Hollingsworth & Vose Company Multi-phase filter medium
KR20110127696A (ko) 2009-02-20 2011-11-25 쓰리엠 이노베이티브 프로퍼티즈 컴파니 항미생물 일렉트릿 웨브
WO2010114742A2 (en) * 2009-04-03 2010-10-07 3M Innovative Properties Company Electret webs with charge-enhancing additives
KR101679894B1 (ko) * 2009-04-03 2016-11-25 쓰리엠 이노베이티브 프로퍼티즈 컴파니 일렉트릿 웨브를 포함하는, 올레핀성 웨브를 위한 가공 보조제
US20100252047A1 (en) 2009-04-03 2010-10-07 Kirk Seth M Remote fluorination of fibrous filter webs
EP2293592A1 (en) * 2009-09-01 2011-03-09 Nxp B.V. Acoustic material for a small loudspeaker cabinet
WO2011031276A1 (en) 2009-09-11 2011-03-17 Matich Ronald D Face mask with seal within seal and optional bridging seal
US8679218B2 (en) 2010-04-27 2014-03-25 Hollingsworth & Vose Company Filter media with a multi-layer structure
EP2495991A1 (en) 2011-03-04 2012-09-05 Knowles Electronics Asia PTE. Ltd. Packaging of acoustic volume increasing materials for loudspeaker devices
CN105407998B (zh) 2012-12-28 2018-02-02 3M创新有限公司 包含电荷加强添加剂的驻极体料片
PL2986354T3 (pl) 2013-04-19 2017-10-31 3M Innovative Properties Co Wstęgi elektretowe z dodatkami zwiększającymi ładunek
US9694306B2 (en) 2013-05-24 2017-07-04 Hollingsworth & Vose Company Filter media including polymer compositions and blends
KR20170021853A (ko) 2014-06-23 2017-02-28 쓰리엠 이노베이티브 프로퍼티즈 캄파니 전하 증대 첨가제를 갖는 일렉트릿 웨브
US10273612B2 (en) 2014-08-26 2019-04-30 3M Innovative Properties Company Spunbonded web comprising polylactic acid fibers
DE102015016236A1 (de) * 2015-01-23 2016-07-28 Mann+Hummel Gmbh Filterelement mit mehreren übereinanderliegenden Einzelblättern
EP3319947B1 (en) 2015-07-07 2022-05-04 3M Innovative Properties Company Substituted benzotriazole phenols
US11053373B2 (en) 2015-07-07 2021-07-06 3M Innovative Properties Company Polymeric matrices with ionic additives
WO2017007677A1 (en) 2015-07-07 2017-01-12 3M Innovative Properties Company Substituted benzotriazole phenolate salts and antioxidant compositions formed therefrom
MX2018000117A (es) 2015-07-07 2018-03-22 3M Innovative Properties Co Tramas de electreto con aditivos mejoradores de la carga.
JP2017094250A (ja) * 2015-11-20 2017-06-01 東洋紡株式会社 エレクトレット濾材、それを用いたフィルター、およびエレクトレット濾材の製造方法
CN106110762B (zh) * 2016-06-13 2019-05-31 北京随能科技有限公司 一种高效过滤空气颗粒物的材料及制备方法
US12420221B2 (en) 2016-07-01 2025-09-23 Hollingsworth & Vose Company Multi-layered electret-containing filtration media
EP3565653B1 (en) 2017-01-05 2020-10-28 3M Innovative Properties Company Electret webs with charge-enhancing additives
CN114173904A (zh) 2019-06-28 2022-03-11 3M创新有限公司 过滤器组件、预过滤器组件和包括它们的呼吸器
KR20220024679A (ko) 2019-06-28 2022-03-03 쓰리엠 이노베이티브 프로퍼티즈 캄파니 코어-시스 섬유, 부직 섬유질 웨브, 및 이를 포함하는 호흡기
US20220380574A1 (en) 2019-10-16 2022-12-01 3M Innovative Properties Company Dual-function melt additives
EP4045166B1 (en) 2019-10-16 2023-11-29 3M Innovative Properties Company Substituted benzimidazole melt additives
CN114765996B (zh) 2019-12-03 2023-06-02 3M创新有限公司 硫醇盐熔体添加剂
CN115038829B (zh) 2019-12-03 2023-07-28 3M创新有限公司 芳族杂环熔体添加剂
WO2021152422A1 (en) 2020-01-27 2021-08-05 3M Innovative Properties Company Substituted thiolate salt melt additives
US11982031B2 (en) 2020-01-27 2024-05-14 3M Innovative Properties Company Substituted thiol melt additives
EP4118385A4 (en) 2020-03-13 2024-04-24 Henley, Julian ELECTRO-IONIC DEVICES FOR IMPROVED PROTECTION AGAINST AIR-SUSPENDED BIOPATHOGENS
US12017232B2 (en) 2020-03-13 2024-06-25 Julian HENLEY Electro-ionic mask devices for improved protection from airborne biopathogens
WO2022009028A1 (en) 2020-07-08 2022-01-13 3M Innovative Properties Company Pleated filtration assembly comprising spunbonded prefilter
WO2022034444A1 (en) 2020-08-11 2022-02-17 3M Innovative Properties Company Electret webs with benzoate salt charge-enhancing additives
WO2022034437A1 (en) 2020-08-11 2022-02-17 3M Innovative Properties Company Electret webs with carboxylic acid or carboxylate salt charge-enhancing additives
US20230390678A1 (en) 2020-11-02 2023-12-07 3M Innovative Properties Company Core-sheath fibers, nonwoven fibrous web, and filtering articles including the same
US20240009606A1 (en) 2020-12-18 2024-01-11 3M Innovative Properties Company Electrets comprising a substituted cyclotriphosphazene compound and articles therefrom
US20230001339A1 (en) * 2021-06-30 2023-01-05 North Carolina State University Mask comprising reusable shell and filter insert
EP4637956A1 (en) 2022-12-21 2025-10-29 3M Innovative Properties Company Shirred filter media and methods of making and using the same
WO2024214065A1 (en) 2023-04-13 2024-10-17 3M Innovative Properties Company Filter media for filtration devices and methods of making and using the same
JP2026512104A (ja) 2023-04-13 2026-04-14 スリーエム イノベイティブ プロパティズ カンパニー 呼吸保護デバイスおよびその製造方法
WO2025125969A1 (en) 2023-12-15 2025-06-19 3M Innovative Properties Company Respiratory protection devices and methods of manufacturing the same
WO2025125970A1 (en) 2023-12-15 2025-06-19 3M Innovative Properties Company Respiratory protection devices and methods of manufacturing the same
WO2025133782A1 (en) 2023-12-18 2025-06-26 3M Innovative Properties Company Respiratory protection devices and methods of manufacturing the same

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5472481A (en) * 1993-03-26 1995-12-05 Minnesota Mining And Manufacturing Company Oily mist resistant electret filter media
CN1192790A (zh) * 1995-08-14 1998-09-09 美国3M公司 具有提高的驻极体性能的纤维网
US6397458B1 (en) * 1998-07-02 2002-06-04 3M Innovative Properties Company Method of making an electret article by transferring fluorine to the article from a gaseous phase

Family Cites Families (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL160303C (nl) 1974-03-25 1979-10-15 Verto Nv Werkwijze voor het vervaardigen van een vezelfilter.
DE3509857C2 (de) * 1984-03-19 1994-04-28 Toyo Boseki Elektretisiertes Staubfilter und dessen Herstellung
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−
US5025052A (en) * 1986-09-12 1991-06-18 Minnesota Mining And Manufacturing Company Fluorochemical oxazolidinones
US5099026A (en) * 1986-09-12 1992-03-24 Crater Davis H Fluorochemical oxazolidinones
JP2672329B2 (ja) * 1988-05-13 1997-11-05 東レ株式会社 エレクトレット材料
JPH05214A (ja) * 1990-11-30 1993-01-08 Mitsui Petrochem Ind Ltd エレクトレツトフイルター
ATE259007T1 (de) * 1993-03-09 2004-02-15 Trevira Gmbh Elektretfasern mit verbesserter ladungsstabilität,verfahren zu ihrer herstellung, und textilmaterial enthaltend diese elektretfasern
EP0623941B1 (en) * 1993-03-09 1997-08-06 Hoechst Celanese Corporation Polymer electrets with improved charge stability
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
DE4327595A1 (de) * 1993-08-17 1995-02-23 Hoechst Ag Zusammensetzungen mit verbesserten elektrostatischen Eigenschaften enthaltend aromatische Polyamide, daraus hergestellte geformte Gebilde sowie deren Verwendung und Verfahren zu ihrer Herstellung
US5645627A (en) * 1995-02-28 1997-07-08 Hollingsworth & Vose Company Charge stabilized electret filter media
US6238466B1 (en) * 1997-10-01 2001-05-29 3M Innovative Properties Company Electret articles and filters with increased oily mist resistance
EP1277790A3 (en) * 1998-03-04 2004-07-28 Ciba SC Holding AG Nucleators for crystallizable thermoplastic polymers
US6110251A (en) * 1998-11-03 2000-08-29 Johns Manville International, Inc. Gas filtration media and method of making the same
US6156086A (en) * 1999-03-22 2000-12-05 3M Innovative Properties Company Dual media vacuum filter bag
US6391807B1 (en) * 1999-09-24 2002-05-21 3M Innovative Properties Company Polymer composition containing a fluorochemical oligomer
DE60001668T2 (de) 1999-06-17 2004-01-29 Hollingsworth & Vose Co Ladungsstabilisiertes elektretfiltermaterial
US6174964B1 (en) * 1999-09-24 2001-01-16 3M Innovative Properties Company Fluorochemical oligomer and use thereof
US6406657B1 (en) * 1999-10-08 2002-06-18 3M Innovative Properties Company Method and apparatus for making a fibrous electret web using a wetting liquid and an aqueous polar liquid
US6391948B1 (en) * 1999-12-14 2002-05-21 3M Innovative Properties Company Triazine compounds and use thereof
US20010039879A1 (en) * 1999-12-16 2001-11-15 Chapman Rick L. Charged filter media containing charge control agents
WO2001053369A1 (en) * 2000-01-21 2001-07-26 Mitsui Chemicals, Inc. Olefin block copolymers, production processes of the same and use thereof
DE60124829T2 (de) * 2000-09-07 2007-06-28 Mitsui Chemicals, Inc. Polare Gruppen enthaltendes Olefin-Copolymer, Verfahren zu seiner Herstellung, dieses Copolymer enthaltende thermoplastische Harzzusammensetzung und deren Verwendung
IL155902A0 (en) * 2000-12-06 2003-12-23 Ciba Sc Holding Ag Polypropylene resin compositions
JP2003012778A (ja) * 2001-04-27 2003-01-15 Canon Inc 新規なポリヒドロキシアルカノエートを含有する荷電制御剤、バインダー樹脂ならびにトナー；該トナーを用いた画像形成方法および画像形成装置
RU2189850C1 (ru) * 2001-07-27 2002-09-27 Федеральное государственное унитарное предприятие "Научно-исследовательский физико-химический институт им. Л.Я.Карпова" Электретный волокнистый фильтрующий материал и способ его получения
US6926961B2 (en) * 2001-08-15 2005-08-09 Invista North America S.A.R.L. Nonwoven blend with electret fiber
RU2198718C1 (ru) * 2001-10-01 2003-02-20 Государственное научное учреждение Институт механики металлополимерных систем им. В.А. Белого НАН Беларуси Способ получения электретного тонковолокнистого фильтрующего материала для респираторов
JP3781699B2 (ja) * 2002-04-26 2006-05-31 株式会社上野製薬応用研究所 電荷制御剤
MXPA04011840A (es) * 2002-05-30 2005-03-31 Ciba Sc Holding Ag Polipropilenos b-cristalinos.
AU2004210907B2 (en) * 2003-02-14 2009-02-19 Ciba Specialty Chemicals Holding Inc. Resin compositions
JP4557820B2 (ja) * 2004-06-24 2010-10-06 キヤノン株式会社 電子写真現像剤用の樹脂コートキャリア、これを構成成分とする二成分系現像剤および補給用現像剤
US7244292B2 (en) * 2005-05-02 2007-07-17 3M Innovative Properties Company Electret article having heteroatoms and low fluorosaturation ratio
KR20080049067A (ko) * 2005-09-28 2008-06-03 시바 홀딩 인코포레이티드 중합체 용융물의 유동성을 개선하는 방법

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5472481A (en) * 1993-03-26 1995-12-05 Minnesota Mining And Manufacturing Company Oily mist resistant electret filter media
CN1192790A (zh) * 1995-08-14 1998-09-09 美国3M公司 具有提高的驻极体性能的纤维网
US6002017A (en) * 1995-08-14 1999-12-14 Minnesota Mining And Manufacturing Company Compounds useful as resin additives
US6397458B1 (en) * 1998-07-02 2002-06-04 3M Innovative Properties Company Method of making an electret article by transferring fluorine to the article from a gaseous phase

Also Published As

Publication number Publication date
RU2008132668A (ru) 2010-03-20
JP5728045B2 (ja) 2015-06-03
JP2009526141A (ja) 2009-07-16
WO2007094917A1 (en) 2007-08-23
US7390351B2 (en) 2008-06-24
RU2404841C2 (ru) 2010-11-27
EP2004302A4 (en) 2011-07-06
US20070180997A1 (en) 2007-08-09
EP2004302B1 (en) 2017-03-01
KR20090004851A (ko) 2009-01-12
EP2004302A1 (en) 2008-12-24
JP2013144865A (ja) 2013-07-25
CN101374583A (zh) 2009-02-25
TW200738319A (en) 2007-10-16

Similar Documents

Publication Publication Date Title
CN101374583B (zh) 驻极体和可用于驻极体的化合物
JP5385978B2 (ja) ゼータ電位に基づくエレクトレット物品の作製方法
KR100697161B1 (ko) 효율이 저하되지 않는 유성 미스트 저항성 필터
CN108778455B (zh) 包含用于反应性气体的聚合吸附剂的空气过滤器
AU680561B2 (en) Method of charging electret filter media
CN101171066B (zh) 具有杂原子和低的氟饱和系数的驻极体制品
CN101443396B (zh) 具有高的氟饱和系数的驻极体制品
KR102395544B1 (ko) 알데하이드용 폴리머 수착제를 포함하는 공기 필터
US20080017038A1 (en) High efficiency hvac filter
EP1117467A1 (en) High efficiency synthetic filter medium
KR20180027535A (ko) 전하 증대 첨가제를 갖는 일렉트릿 웨브
JP7805360B2 (ja) コア－シース繊維、不織繊維ウェブ、及びそれを含む濾過物品
CN116744880A (zh) 包含取代的环状三磷腈化合物的驻极体以及由其制得的制品

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120704