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
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)
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) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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" |
US20110137082A1 (en) * | 2008-06-02 | 2011-06-09 | Li Fuming B | Charge-enhancing additives for electrets |
JP2011528610A (ja) * | 2008-06-30 | 2011-11-24 | スリーエム イノベイティブ プロパティズ カンパニー | 多孔性基材フィールド内の金属ナノクラスターのその場での形成方法 |
MX2011010443A (es) | 2009-04-03 | 2011-10-24 | 3M Innovative Properties Co | Auxiliares de procesamiento para redes olefinicas, incluyendo redes de electreto. |
PL2414573T3 (pl) | 2009-04-03 | 2014-01-31 | 3M Innovative Properties Co | Sieci elektretowe z dodatkami zwiększającymi ładunek |
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 |
KR20150144333A (ko) * | 2013-04-19 | 2015-12-24 | 쓰리엠 이노베이티브 프로퍼티즈 캄파니 | 전하 증대 첨가제를 갖는 일렉트릿 웨브 |
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 |
CN106661786B (zh) * | 2014-06-23 | 2019-05-21 | 3M创新有限公司 | 包含电荷加强添加剂的驻极体料片 |
WO2017007672A1 (en) | 2015-07-07 | 2017-01-12 | 3M Innovative Properties Company | Substituted benzotriazole phenols |
KR102627554B1 (ko) | 2015-07-07 | 2024-01-22 | 쓰리엠 이노베이티브 프로퍼티즈 캄파니 | 치환된 벤조트라이아졸 페놀레이트 염 및 그로부터 형성된 산화방지제 조성물 |
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 |
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 |
CN110446541B (zh) * | 2017-01-05 | 2021-12-03 | 3M创新有限公司 | 具有电荷加强添加剂的驻极体料片 |
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 |
US11839845B2 (en) | 2018-08-03 | 2023-12-12 | 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 |
EP3990685A1 (en) | 2019-06-28 | 2022-05-04 | 3M Innovative Properties Co. | Core-sheath fibers, nonwoven fibrous web, and respirator including the same |
US11982031B2 (en) | 2020-01-27 | 2024-05-14 | 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 |
EP4237601A1 (en) | 2020-11-02 | 2023-09-06 | 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 |
EP4032598B1 (en) | 2021-01-21 | 2023-07-12 | Borealis AG | Polypropylene composition containing a new charge-stabilizing agent for electret melt blown webs |
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-
2009
- 2009-05-04 WO PCT/US2009/042652 patent/WO2009148744A2/en active Application Filing
- 2009-05-04 PL PL09758907T patent/PL2294257T3/pl unknown
- 2009-05-04 KR KR1020107029709A patent/KR101577089B1/ko active IP Right Grant
- 2009-05-04 JP JP2011512498A patent/JP5676433B2/ja not_active Expired - Fee Related
- 2009-05-04 CN CN2009801202648A patent/CN102046871B/zh active Active
- 2009-05-04 AU AU2009255469A patent/AU2009255469B2/en not_active Ceased
- 2009-05-04 RU RU2010148558/12A patent/RU2448207C1/ru not_active IP Right Cessation
- 2009-05-04 EP EP20090758907 patent/EP2294257B1/en active Active
- 2009-05-04 BR BRPI0909959A patent/BRPI0909959B1/pt not_active IP Right Cessation
- 2009-05-04 US US12/995,709 patent/US8613795B2/en active Active
Also Published As
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EP2294257A2 (en) | 2011-03-16 |
US8613795B2 (en) | 2013-12-24 |
AU2009255469B2 (en) | 2012-03-29 |
KR20110022645A (ko) | 2011-03-07 |
US20110154987A1 (en) | 2011-06-30 |
PL2294257T3 (pl) | 2014-06-30 |
EP2294257B1 (en) | 2014-01-22 |
KR101577089B1 (ko) | 2015-12-11 |
AU2009255469A1 (en) | 2009-12-10 |
BRPI0909959B1 (pt) | 2018-11-13 |
EP2294257A4 (en) | 2013-01-23 |
CN102046871B (zh) | 2013-02-13 |
CN102046871A (zh) | 2011-05-04 |
JP5676433B2 (ja) | 2015-02-25 |
WO2009148744A3 (en) | 2010-02-25 |
RU2448207C1 (ru) | 2012-04-20 |
JP2011524472A (ja) | 2011-09-01 |
WO2009148744A2 (en) | 2009-12-10 |
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