BRPI0909959A2 - "manta de eletreto, meio de filtro à base de eletreto e método de preparo de uma manta de eletreto" - Google Patents

"manta de eletreto, meio de filtro à base de eletreto e método de preparo de uma manta de eletreto"

Info

Publication number
BRPI0909959A2
BRPI0909959A2 BRPI0909959A BRPI0909959A BRPI0909959A2 BR PI0909959 A2 BRPI0909959 A2 BR PI0909959A2 BR PI0909959 A BRPI0909959 A BR PI0909959A BR PI0909959 A BRPI0909959 A BR PI0909959A BR PI0909959 A2 BRPI0909959 A2 BR PI0909959A2
Authority
BR
Brazil
Prior art keywords
electret
blanket
preparing
filter media
electret filter
Prior art date
Application number
BRPI0909959A
Other languages
English (en)
Inventor
Feng Bai
Fuming B Li
John M Sebastian
Marvin E Jones
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 BRPI0909959A2 publication Critical patent/BRPI0909959A2/pt
Publication of BRPI0909959B1 publication Critical patent/BRPI0909959B1/pt

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
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4282—Addition polymers
    • D04H1/4291—Olefin series
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/56—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving in association with fibre formation, e.g. immediately following extrusion of staple fibres
    • 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
    • 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.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/2418—Coating or impregnation increases electrical conductivity or anti-static quality
    • Y10T442/2426—Elemental carbon containing
    • 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.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/2418—Coating or impregnation increases electrical conductivity or anti-static quality
    • Y10T442/2459—Nitrogen containing
    • 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]
    • Y10T442/626—Microfiber is synthetic polymer
    • 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]
    • Y10T442/68—Melt-blown nonwoven fabric
    • 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

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Filtering Materials (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Electrostatic Separation (AREA)
  • Artificial Filaments (AREA)
  • Nonwoven Fabrics (AREA)
BRPI0909959A 2008-06-02 2009-05-04 manta de eletreto e meio de filtro à base de eletreto BRPI0909959B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US5804108P 2008-06-02 2008-06-02
PCT/US2009/042652 WO2009148744A2 (en) 2008-06-02 2009-05-04 Electret webs with charge-enhancing additives

Publications (2)

Publication Number Publication Date
BRPI0909959A2 true BRPI0909959A2 (pt) 2015-10-06
BRPI0909959B1 BRPI0909959B1 (pt) 2018-11-13

Family

ID=41398755

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0909959A BRPI0909959B1 (pt) 2008-06-02 2009-05-04 manta de eletreto e meio de filtro à base de eletreto

Country Status (10)

Country Link
US (1) US8613795B2 (pt)
EP (1) EP2294257B1 (pt)
JP (1) JP5676433B2 (pt)
KR (1) KR101577089B1 (pt)
CN (1) CN102046871B (pt)
AU (1) AU2009255469B2 (pt)
BR (1) BRPI0909959B1 (pt)
PL (1) PL2294257T3 (pt)
RU (1) RU2448207C1 (pt)
WO (1) WO2009148744A2 (pt)

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US20110137082A1 (en) * 2008-06-02 2011-06-09 Li Fuming B Charge-enhancing additives for electrets
EP2303770B1 (en) * 2008-06-30 2014-07-09 3M Innovative Properties Company Method for in situ formation of metal nanoclusters within a porous substrate
RU2475575C1 (ru) 2009-04-03 2013-02-20 3М Инновейтив Пропертиз Компани Технологические добавки для олефиновых полотен, в частности электретных полотен
KR101669306B1 (ko) * 2009-04-03 2016-10-25 쓰리엠 이노베이티브 프로퍼티즈 컴파니 전하 증대 첨가제를 갖는 일렉트릿 웨브
DK2609238T3 (en) 2010-08-23 2017-03-13 Fiberweb Holdings Ltd WOVEN COAT AND FIBER WITH ELECTRICAL CHARACTERISTICS, PROCEDURES FOR MANUFACTURING THERE AND THEIR USE
CN103781956B (zh) * 2011-06-30 2016-09-28 3M创新有限公司 非织造驻极体纤维网及其制备方法
US9802187B2 (en) 2011-06-30 2017-10-31 3M Innovative Properties Company Non-woven electret fibrous webs and methods of making same
ES2669768T3 (es) 2012-12-28 2018-05-29 3M Innovative Properties Company Bandas de electret con aditivos potenciadores de la carga
AU2014254114B2 (en) * 2013-04-19 2016-04-07 3M Innovative Properties Company Electret webs with charge-enhancing additives
CN103483382A (zh) * 2013-09-03 2014-01-01 太仓碧奇新材料研发有限公司 一种三芳胺基三苯基膦功能材料及其制备方法
PL3157650T3 (pl) * 2014-06-23 2018-08-31 3M Innovative Properties Co Wstęgi elektretowe z dodatkami zwiększającymi ładunek
JP6905970B2 (ja) 2015-07-07 2021-07-21 スリーエム イノベイティブ プロパティズ カンパニー 置換ベンゾトリアゾールフェノレート塩及びそれから形成される抗酸化剤組成物
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BR112018000377A2 (pt) 2015-07-07 2018-09-11 3M Innovative Properties Co matrizes poliméricas com aditivos iônicos
JP2018034082A (ja) * 2016-08-30 2018-03-08 パナソニックＩｐマネジメント株式会社 フィルタろ材とそれを用いた空気清浄装置
KR20190101399A (ko) * 2017-01-05 2019-08-30 쓰리엠 이노베이티브 프로퍼티즈 캄파니 전하 증대 첨가제를 갖는 일렉트릿 웨브
CN107626450A (zh) * 2017-10-19 2018-01-26 宁波科美环境科技有限公司 一种空气净化设备的静电过滤器
WO2020024245A1 (en) 2018-08-03 2020-02-06 3M Innovative Properties Company Air-filter media including a relofted spunbonded web, and methods of making and using
WO2020026062A1 (en) 2018-08-03 2020-02-06 3M Innovative Properties Company Air-filter media comprising a relofted spunbonded web, and methods of making and using
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
WO2020261150A1 (en) 2019-06-28 2020-12-30 3M Innovative Properties Company Core-sheath fibers, nonwoven fibrous web, and respirator including the same
EP4045166B1 (en) 2019-10-16 2023-11-29 3M Innovative Properties Company Substituted benzimidazole melt additives
EP4097284B1 (en) 2020-01-27 2024-05-29 3M Innovative Properties Company Substituted thiolate salt melt additives
EP4097285B1 (en) 2020-01-27 2024-06-26 3M Innovative Properties Company Substituted thiol melt additives
US11992585B2 (en) 2020-03-13 2024-05-28 Julian HENLEY Electro-ionic devices for improved protection from airborne 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
US20230390678A1 (en) 2020-11-02 2023-12-07 3M Innovative Properties Company Core-sheath fibers, nonwoven fibrous web, and filtering articles including the same
WO2022130080A1 (en) 2020-12-18 2022-06-23 3M Innovative Properties Company Electrets comprising a substituted cyclotriphosphazene compound and articles therefrom
ES2957757T3 (es) 2021-01-21 2024-01-25 Borealis Ag Composición de polipropileno que contiene un nuevo agente estabilizador de carga para bandas sopladas por fusión de electreto
WO2024137158A1 (en) 2022-12-21 2024-06-27 3M Innovative Properties Company Shirred filter media and methods of making and using the same
WO2024214054A1 (en) 2023-04-13 2024-10-17 3M Innovative Properties Company Respiratory protection devices and methods of manufacturing the same
CN120936426A (zh) 2023-04-13 2025-11-11 3M创新有限公司 用于过滤装置的过滤介质及其制备和使用方法
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WO2025133782A1 (en) 2023-12-18 2025-06-26 3M Innovative Properties Company Respiratory protection devices and methods of manufacturing the same
WO2026088005A1 (en) 2024-10-21 2026-04-30 3M Innovative Properties Company Personal protective equipment, methods and systems of use thereof

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EP2294257A4 (en) 2013-01-23
WO2009148744A2 (en) 2009-12-10
EP2294257B1 (en) 2014-01-22
KR101577089B1 (ko) 2015-12-11
PL2294257T3 (pl) 2014-06-30
US8613795B2 (en) 2013-12-24
JP2011524472A (ja) 2011-09-01
JP5676433B2 (ja) 2015-02-25
KR20110022645A (ko) 2011-03-07
BRPI0909959B1 (pt) 2018-11-13
WO2009148744A3 (en) 2010-02-25
AU2009255469B2 (en) 2012-03-29
CN102046871B (zh) 2013-02-13
US20110154987A1 (en) 2011-06-30
RU2448207C1 (ru) 2012-04-20
CN102046871A (zh) 2011-05-04
AU2009255469A1 (en) 2009-12-10
EP2294257A2 (en) 2011-03-16

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