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BRPI0909967A2 - "método de fabricação de um artigo de eletreto, método para fabricação de um elemento filtrante e método para fabricação de respirador" - Google Patents

"método de fabricação de um artigo de eletreto, método para fabricação de um elemento filtrante e método para fabricação de respirador"

Info

Publication number
BRPI0909967A2
BRPI0909967A2 BRPI0909967A BRPI0909967A BRPI0909967A2 BR PI0909967 A2 BRPI0909967 A2 BR PI0909967A2 BR PI0909967 A BRPI0909967 A BR PI0909967A BR PI0909967 A BRPI0909967 A BR PI0909967A BR PI0909967 A2 BRPI0909967 A2 BR PI0909967A2
Authority
BR
Brazil
Prior art keywords
making
respirator
filter element
electret article
electret
Prior art date
Application number
BRPI0909967A
Other languages
English (en)
Inventor
Daniel A Japuntich
Fuming B Li
John M Sebastian
Justin L Keough
Marvin E Jones
Nathan E Schultz
Rahul R Shah
Shih-Hung Chou
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 BRPI0909967A2 publication Critical patent/BRPI0909967A2/pt
Publication of BRPI0909967B1 publication Critical patent/BRPI0909967B1/pt

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00—Filters for breathing-protection purposes
    • A62B23/02—Filters for breathing-protection purposes for respirators
    • 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
    • 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
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M10/00—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements
    • D06M10/02—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements ultrasonic or sonic; Corona discharge
    • D06M10/025—Corona discharge or low temperature plasma
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/01—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with hydrogen, water or heavy water; with hydrides of metals or complexes thereof; with boranes, diboranes, silanes, disilanes, phosphines, diphosphines, stibines, distibines, arsines, or diarsines or complexes thereof
    • D06M11/05—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with hydrogen, water or heavy water; with hydrides of metals or complexes thereof; with boranes, diboranes, silanes, disilanes, phosphines, diphosphines, stibines, distibines, arsines, or diarsines or complexes thereof with water, e.g. steam; with heavy water
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/496—Multiperforated metal article making
    • Y10T29/49604—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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • Y10T428/2848—Three or more layers
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • 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
    • Y10T442/2033—Coating or impregnation formed in situ [e.g., by interfacial condensation, coagulation, precipitation, etc.]
    • 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
    • Y10T442/2861—Coated or impregnated synthetic organic fiber 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]
    • Y10T442/608—Including strand or fiber material which is of specific structural definition
    • Y10T442/627—Strand or fiber material is specified as non-linear [e.g., crimped, coiled, etc.]
    • Y10T442/632—A single nonwoven layer comprising non-linear synthetic polymeric strand or fiber material and strand or fiber material not specified as non-linear
    • Y10T442/633—Synthetic polymeric strand or fiber material is of staple length
    • 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]
    • Y10T442/637—Including strand or fiber material which is a monofilament composed of two or more polymeric materials in physically distinct relationship [e.g., sheath-core, side-by-side, islands-in-sea, fibrils-in-matrix, etc.] or composed of physical blend of chemically different polymeric materials or a physical blend of a polymeric material and a filler material
    • Y10T442/642—Strand or fiber material is a blend of polymeric material and a filler material

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Plasma & Fusion (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Filtering Materials (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Electrostatic Separation (AREA)
  • Artificial Filaments (AREA)
  • Nonwoven Fabrics (AREA)
  • Treatment Of Fiber Materials (AREA)
BRPI0909967A 2008-06-02 2009-04-14 método de fabricação de um artigo de eletreto, método para fabricação de um elemento filtrante e método para fabricação de um respirador BRPI0909967B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/131,770 US7765698B2 (en) 2008-06-02 2008-06-02 Method of making electret articles based on zeta potential
PCT/US2009/040426 WO2009148703A1 (en) 2008-06-02 2009-04-14 Method of making electret articles based on zeta potential

Publications (2)

Publication Number Publication Date
BRPI0909967A2 true BRPI0909967A2 (pt) 2015-10-20
BRPI0909967B1 BRPI0909967B1 (pt) 2019-02-05

Family

ID=41377963

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0909967A BRPI0909967B1 (pt) 2008-06-02 2009-04-14 método de fabricação de um artigo de eletreto, método para fabricação de um elemento filtrante e método para fabricação de um respirador

Country Status (11)

Country Link
US (1) US7765698B2 (pt)
EP (1) EP2291562B1 (pt)
JP (1) JP5385978B2 (pt)
KR (1) KR101596531B1 (pt)
CN (1) CN102112680B (pt)
AU (1) AU2009255525B2 (pt)
BR (1) BRPI0909967B1 (pt)
ES (1) ES2619730T3 (pt)
PL (1) PL2291562T3 (pt)
RU (1) RU2472885C1 (pt)
WO (1) WO2009148703A1 (pt)

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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
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CN109922870B (zh) 2016-11-14 2021-11-02 3M创新有限公司 包含含有金属的聚合物吸附剂的空气过滤器
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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
EP4045166B1 (en) 2019-10-16 2023-11-29 3M Innovative Properties Company Substituted benzimidazole melt additives
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CN114765996B (zh) 2019-12-03 2023-06-02 3M创新有限公司 硫醇盐熔体添加剂
EP4069899A1 (en) 2019-12-03 2022-10-12 3M Innovative Properties Company Aromatic-heterocyclic ring melt additives
EP4097284B1 (en) 2020-01-27 2024-05-29 3M Innovative Properties Company Substituted thiolate salt melt additives
CN115516149B (zh) 2020-01-27 2024-04-16 3M创新有限公司 取代的硫醇熔体添加剂
US12017232B2 (en) 2020-03-13 2024-06-25 Julian HENLEY Electro-ionic mask devices for improved protection from airborne biopathogens
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IT202000006883A1 (it) * 2020-04-01 2021-10-01 St Microelectronics Srl Sistema e metodo di rilevamento di presenza in un ambiente da monitorare
CN111560140B (zh) * 2020-06-19 2020-10-20 金发科技股份有限公司 口罩用熔喷无纺布专用有机驻极母粒及其制备方法、制成的熔喷无纺布
WO2022034444A1 (en) 2020-08-11 2022-02-17 3M Innovative Properties Company Electret webs with benzoate salt charge-enhancing additives
EP4196630A1 (en) 2020-08-11 2023-06-21 3M Innovative Properties Company Electret webs with carboxylic acid or carboxylate salt charge-enhancing additives
WO2022091060A1 (en) 2020-11-02 2022-05-05 3M Innovative Properties Company Core-sheath fibers, nonwoven fibrous web, and filtering articles including the same
EP4263695A1 (en) 2020-12-18 2023-10-25 3M Innovative Properties Company Electrets comprising a substituted cyclotriphosphazene compound and articles therefrom
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WO2023063299A1 (ja) * 2021-10-13 2023-04-20 東洋紡株式会社 エレクトレット材料、エレクトレットフィルター、及びエレクトレット材料の製造方法
WO2023074758A1 (ja) * 2021-10-29 2023-05-04 東洋紡株式会社 エレクトレット、エレクトレットフィルター、及びエレクトレットの製造方法
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KR20110025184A (ko) 2011-03-09
CN102112680A (zh) 2011-06-29
PL2291562T3 (pl) 2017-06-30
US20090293279A1 (en) 2009-12-03
RU2011121015A (ru) 2012-11-27
EP2291562A4 (en) 2014-05-14
ES2619730T3 (es) 2017-06-26
AU2009255525A1 (en) 2009-12-10
EP2291562A1 (en) 2011-03-09
WO2009148703A1 (en) 2009-12-10
JP5385978B2 (ja) 2014-01-08
KR101596531B1 (ko) 2016-02-22
AU2009255525B2 (en) 2012-02-16
BRPI0909967B1 (pt) 2019-02-05
CN102112680B (zh) 2012-10-03
RU2472885C1 (ru) 2013-01-20

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