DE69404736T2 - Polymer-Elektrete mit verbesserter Ladungsstabilität - Google Patents

Polymer-Elektrete mit verbesserter Ladungsstabilität

Info

Publication number
DE69404736T2
DE69404736T2 DE69404736T DE69404736T DE69404736T2 DE 69404736 T2 DE69404736 T2 DE 69404736T2 DE 69404736 T DE69404736 T DE 69404736T DE 69404736 T DE69404736 T DE 69404736T DE 69404736 T2 DE69404736 T2 DE 69404736T2
Authority
DE
Germany
Prior art keywords
charge stability
improved charge
polymer electrets
electrets
polymer
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
DE69404736T
Other languages
English (en)
Other versions
DE69404736D1 (de
Inventor
Werner Groh
Hans-Tobias Macholdt
Baylor D Gibson
James R Walden
Clinton D Felton
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.)
CNA Holdings LLC
Original Assignee
Hoechst Celanese Corp
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 Hoechst Celanese Corp filed Critical Hoechst Celanese Corp
Publication of DE69404736D1 publication Critical patent/DE69404736D1/de
Application granted granted Critical
Publication of DE69404736T2 publication Critical patent/DE69404736T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/10—Other agents for modifying properties
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
    • C08K5/41—Compounds containing sulfur bound to oxygen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
    • B01D39/083—Filter cloth, i.e. woven, knitted or interlaced material of organic material
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
    • H01G7/02—Electrets, i.e. having a permanently-polarised dielectric
    • H01G7/021—Electrets, i.e. having a permanently-polarised dielectric having an organic dielectric
    • H01G7/023—Electrets, i.e. having a permanently-polarised dielectric having an organic dielectric of macromolecular compounds
    • 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
    • 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
    • B01D2239/0407—Additives and treatments of the filtering material comprising particulate additives, e.g. adsorbents
    • 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
    • B01D2239/04—Additives and treatments of the filtering material
    • B01D2239/0471—Surface coating material
    • 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
    • B01D2239/0622—Melt-blown
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Textile Engineering (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Filtering Materials (AREA)
DE69404736T 1993-03-09 1994-03-05 Polymer-Elektrete mit verbesserter Ladungsstabilität Expired - Fee Related DE69404736T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2843993A 1993-03-09 1993-03-09

Publications (2)

Publication Number Publication Date
DE69404736D1 DE69404736D1 (de) 1997-09-11
DE69404736T2 true DE69404736T2 (de) 1998-01-08

Family

ID=21843456

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69404736T Expired - Fee Related DE69404736T2 (de) 1993-03-09 1994-03-05 Polymer-Elektrete mit verbesserter Ladungsstabilität

Country Status (6)

Country Link
US (1) US5558809A (de)
EP (1) EP0623941B1 (de)
JP (1) JP3199947B2 (de)
KR (1) KR940021640A (de)
CN (1) CN1097774A (de)
DE (1) DE69404736T2 (de)

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DE19837522A1 (de) * 1998-08-19 2000-02-24 Clariant Gmbh Verwendung von Metall-Carboxylaten und -Sulfonaten als Ladungssteuermittel
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US6420024B1 (en) 2000-12-21 2002-07-16 3M Innovative Properties Company Charged microfibers, microfibrillated articles and use thereof
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US6514324B1 (en) 2001-08-10 2003-02-04 Rick L. Chapman High efficiency active electrostatic air filter and method of manufacture
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EP2222908B1 (de) * 2007-12-06 2013-01-16 3M Innovative Properties Company Elektretvliese mit ladungsverstärkenden additiven
CN101946295B (zh) * 2008-02-22 2012-11-28 旭硝子株式会社 驻极体及静电感应型转换元件
CN101977763A (zh) * 2008-03-27 2011-02-16 旭硝子株式会社 驻极体及静电感应型转换元件
JP5541155B2 (ja) * 2008-03-31 2014-07-09 旭硝子株式会社 加速度センサ装置、無線センサネットワーク及び広域異常振動記録システム
JP5381979B2 (ja) * 2008-04-17 2014-01-08 旭硝子株式会社 エレクトレットおよびその製造方法、ならびに静電誘導型変換素子
EP2330159B1 (de) * 2008-09-19 2013-04-24 Asahi Glass Company, Limited Elektret und wandler mit elektrostatischer induktion
CA2815801C (en) 2010-10-25 2019-07-09 Rick L. Chapman Filtration materials using fiber blends that contain strategically shaped fibers and/or charge control agents
JP2014037451A (ja) * 2012-08-10 2014-02-27 Sekisui Chem Co Ltd エレクトレットシート
JP6163562B2 (ja) 2012-12-28 2017-07-12 スリーエム イノベイティブ プロパティズ カンパニー 帯電強化添加剤を含むエレクトレットウェブ
CN105120978B (zh) 2013-04-19 2017-04-05 3M创新有限公司 具有电荷加强添加剂的驻极体料片
PL3157650T3 (pl) 2014-06-23 2018-08-31 3M Innovative Properties Co Wstęgi elektretowe z dodatkami zwiększającymi ładunek
JP6463624B2 (ja) * 2014-12-08 2019-02-06 東友ファインケム株式会社Ｄｏｎｇｗｏｏ Ｆｉｎｅ−Ｃｈｅｍ Ｃｏ．， Ｌｔｄ． 化合物
US10669481B2 (en) 2015-07-07 2020-06-02 3M Innovative Properties Company Substituted benzotriazole phenolate salts and antioxidant compositions formed therefrom
CN108026327B (zh) 2015-07-07 2022-07-05 3M创新有限公司 具有离子添加剂的聚合物基体
EP3319947B1 (de) 2015-07-07 2022-05-04 3M Innovative Properties Company Substituierte benzotriazolphenole
WO2018127831A1 (en) 2017-01-05 2018-07-12 3M Innovative Properties Company Electret webs with charge-enhancing additives
CN114555877A (zh) 2019-10-16 2022-05-27 3M创新有限公司 双功能熔体添加剂
WO2021074746A1 (en) 2019-10-16 2021-04-22 3M Innovative Properties Company Substituted benzimidazole melt additives
WO2021111290A1 (en) 2019-12-03 2021-06-10 3M Innovative Properties Company Aromatic-heterocyclic ring 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
CN111019233A (zh) * 2019-12-16 2020-04-17 浙江金海环境技术股份有限公司 驻极体薄膜、制备方法、用途和空气净化装置
US11982031B2 (en) 2020-01-27 2024-05-14 3M Innovative Properties Company Substituted thiol melt additives
WO2021152422A1 (en) 2020-01-27 2021-08-05 3M Innovative Properties Company Substituted thiolate salt melt additives
FR3106938B1 (fr) * 2020-01-31 2022-08-05 Central Res Inst Electric Power Ind Élément ionique, son procédé de fabrication, dispositif fonctionnel et appareil électronique ayant chacun l’element ionique
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CN113851329B (zh) * 2021-09-24 2023-06-16 重庆大学 一种提高聚烯烃薄膜表面电荷存储稳定性的方法
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Also Published As

Publication number Publication date
JPH06340769A (ja) 1994-12-13
EP0623941A2 (de) 1994-11-09
US5558809A (en) 1996-09-24
CN1097774A (zh) 1995-01-25
DE69404736D1 (de) 1997-09-11
KR940021640A (ko) 1994-10-19
JP3199947B2 (ja) 2001-08-20
EP0623941B1 (de) 1997-08-06
EP0623941A3 (en) 1994-12-07

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