BR9812593A - Processo de se produzir um artigo eletreto - Google Patents
Processo de se produzir um artigo eletretoInfo
- Publication number
- BR9812593A BR9812593A BR9812593-1A BR9812593A BR9812593A BR 9812593 A BR9812593 A BR 9812593A BR 9812593 A BR9812593 A BR 9812593A BR 9812593 A BR9812593 A BR 9812593A
- Authority
- BR
- Brazil
- Prior art keywords
- producing
- electret
- produce
- electret article
- article
- 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
-
- 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
-
- 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
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F6/04—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
- D01F6/06—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins from polypropylene
-
- 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
- D04H1/42—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
- D04H1/4326—Condensation or reaction polymers
- D04H1/435—Polyesters
-
- 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
- D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
- D04H1/43825—Composite fibres
- D04H1/43828—Composite fibres sheath-core
-
- 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
-
- 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
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/48—Processes of making filters
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Filtering Materials (AREA)
- Electrostatic Separation (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Artificial Filaments (AREA)
- Nonwoven Fabrics (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/941,864 US6068799A (en) | 1997-10-01 | 1997-10-01 | Method of making electret articles and filters with increased oily mist resistance |
PCT/US1998/001457 WO1999016533A1 (en) | 1997-10-01 | 1998-02-02 | Method of making electret articles and filters with increased oily mist resistance |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9812593A true BR9812593A (pt) | 2000-08-01 |
Family
ID=25477186
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9812593-1A BR9812593A (pt) | 1997-10-01 | 1998-02-02 | Processo de se produzir um artigo eletreto |
Country Status (14)
Country | Link |
---|---|
US (1) | US6068799A (pt) |
EP (1) | EP1019174B1 (pt) |
JP (1) | JP2003522300A (pt) |
KR (1) | KR100519882B1 (pt) |
CN (1) | CN1154530C (pt) |
AU (1) | AU739986B2 (pt) |
BR (1) | BR9812593A (pt) |
CA (1) | CA2304284A1 (pt) |
CZ (1) | CZ295232B6 (pt) |
DE (1) | DE69830505T2 (pt) |
ES (1) | ES2242272T3 (pt) |
PL (1) | PL339655A1 (pt) |
RU (1) | RU2246979C2 (pt) |
WO (1) | WO1999016533A1 (pt) |
Families Citing this family (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6213122B1 (en) | 1997-10-01 | 2001-04-10 | 3M Innovative Properties Company | Electret fibers and filter webs having a low level of extractable hydrocarbons |
US6062221A (en) | 1997-10-03 | 2000-05-16 | 3M Innovative Properties Company | Drop-down face mask assembly |
US6732733B1 (en) | 1997-10-03 | 2004-05-11 | 3M Innovative Properties Company | Half-mask respirator with head harness assembly |
US6432175B1 (en) * | 1998-07-02 | 2002-08-13 | 3M Innovative Properties Company | Fluorinated electret |
US6375886B1 (en) * | 1999-10-08 | 2002-04-23 | 3M Innovative Properties Company | Method and apparatus for making a nonwoven fibrous electret web from free-fiber and polar liquid |
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 |
US6743273B2 (en) | 2000-09-05 | 2004-06-01 | Donaldson Company, Inc. | Polymer, polymer microfiber, polymer nanofiber and applications including filter structures |
US6716274B2 (en) | 2000-09-05 | 2004-04-06 | Donaldson Company, Inc. | Air filter assembly for filtering an air stream to remove particulate matter entrained in the stream |
US6746517B2 (en) * | 2000-09-05 | 2004-06-08 | Donaldson Company, Inc. | Filter structure with two or more layers of fine fiber having extended useful service life |
US7115150B2 (en) * | 2000-09-05 | 2006-10-03 | Donaldson Company, Inc. | Mist filtration arrangement utilizing fine fiber layer in contact with media having a pleated construction and floor filter method |
US6673136B2 (en) | 2000-09-05 | 2004-01-06 | Donaldson Company, Inc. | Air filtration arrangements having fluted media constructions and methods |
US6800117B2 (en) * | 2000-09-05 | 2004-10-05 | Donaldson Company, Inc. | Filtration arrangement utilizing pleated construction and method |
US7270693B2 (en) * | 2000-09-05 | 2007-09-18 | Donaldson Company, Inc. | Polymer, polymer microfiber, polymer nanofiber and applications including filter structures |
US20020092423A1 (en) * | 2000-09-05 | 2002-07-18 | Gillingham Gary R. | Methods for filtering air for a gas turbine system |
US6740142B2 (en) * | 2000-09-05 | 2004-05-25 | Donaldson Company, Inc. | Industrial bag house elements |
RU2300543C2 (ru) * | 2001-05-31 | 2007-06-10 | Дональдсон Компани, Инк. | Составы тонкого волокна, способы их получения, способ изготовления тонковолокнистого материала |
JP2004057976A (ja) * | 2002-07-30 | 2004-02-26 | Toyobo Co Ltd | 生分解性を有するエレクトレット濾材およびその製造方法 |
KR100809568B1 (ko) * | 2004-04-23 | 2008-03-04 | 마츠시다 덴코 가부시키가이샤 | 정전 무화기를 구비한 가열 송풍 장치 |
US7503326B2 (en) * | 2005-12-22 | 2009-03-17 | 3M Innovative Properties Company | Filtering face mask with a unidirectional valve having a stiff unbiased flexible flap |
US20090000624A1 (en) * | 2007-06-28 | 2009-01-01 | 3M Innovative Properties Company | Respirator having a harness and methods of making and fitting the same |
RU2449066C2 (ru) * | 2007-12-06 | 2012-04-27 | 3М Инновейтив Пропертиз Компани | Электретные полотна с добавками для увеличения заряда |
US7765698B2 (en) * | 2008-06-02 | 2010-08-03 | 3M Innovative Properties Company | Method of making electret articles based on zeta potential |
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 |
US20110137082A1 (en) * | 2008-06-02 | 2011-06-09 | Li Fuming B | Charge-enhancing additives for electrets |
US20100252047A1 (en) | 2009-04-03 | 2010-10-07 | Kirk Seth M | Remote fluorination of fibrous filter webs |
ITPD20090117A1 (it) * | 2009-05-04 | 2010-11-05 | Euroflex Srl | Spruzzatore a mano per liquidi detergenti |
US8365771B2 (en) | 2009-12-16 | 2013-02-05 | 3M Innovative Properties Company | Unidirectional valves and filtering face masks comprising unidirectional valves |
BR112013032643A2 (pt) | 2011-06-30 | 2017-11-07 | 3M Innovative Properties Co | mantas fibrosas de eletreto não tecidas e métodos para fabricação das mesmas |
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 |
US9247788B2 (en) | 2013-02-01 | 2016-02-02 | 3M Innovative Properties Company | Personal protective equipment strap retaining devices |
US9259058B2 (en) | 2013-02-01 | 2016-02-16 | 3M Innovative Properties Company | Personal protective equipment strap retaining devices |
US10343095B2 (en) * | 2014-12-19 | 2019-07-09 | Hollingsworth & Vose Company | Filter media comprising a pre-filter layer |
US10940415B2 (en) * | 2015-10-02 | 2021-03-09 | Toyobo Co., Ltd. | Electret and electret filter |
CN108602001A (zh) | 2016-01-07 | 2018-09-28 | 唐纳森公司 | 苯乙烯-丙烯腈细纤维、过滤介质、再循环过滤器和方法 |
US11602252B2 (en) | 2016-03-17 | 2023-03-14 | Eurofilters N.V. | Vacuum cleaner filter bag made from recycled plastic |
CN109715252B (zh) | 2016-09-16 | 2021-10-19 | 3M创新有限公司 | 呼气阀和包括呼气阀的呼吸器 |
EP3406780B1 (de) * | 2017-05-22 | 2020-01-08 | Axel Nickel | Getemperter meltblown-vliesstoff mit hoher stauchhärte |
EP3990685A1 (en) * | 2019-06-28 | 2022-05-04 | 3M Innovative Properties Co. | Core-sheath fibers, nonwoven fibrous web, and respirator including the same |
CN110772889B (zh) * | 2019-10-28 | 2021-09-24 | 南通大学 | 一种针刺/熔喷/纺粘复合过滤材料及其制备方法 |
CN111962286A (zh) * | 2020-07-22 | 2020-11-20 | 阳信金峰生态纤维有限公司 | 一种改进的pp在熔喷布中的应用 |
CN113417076B (zh) * | 2021-06-23 | 2022-07-22 | 海南欣龙无纺股份有限公司 | 一种艾草整理熔喷布及其制备方法和应用 |
CN113322577B (zh) * | 2021-07-05 | 2023-07-21 | 吉祥三宝高科纺织有限公司 | 一种具有抗菌阻燃保暖功能的絮片及其制备方法 |
CN114806009B (zh) * | 2022-04-02 | 2023-06-20 | 河南省驼人医疗科技有限公司 | 一种熔喷驻极体用驻极母粒及其制备方法与应用 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS497959B1 (pt) * | 1969-07-17 | 1974-02-23 | ||
US3959421A (en) * | 1974-04-17 | 1976-05-25 | Kimberly-Clark Corporation | Method for rapid quenching of melt blown fibers |
US4215682A (en) * | 1978-02-06 | 1980-08-05 | Minnesota Mining And Manufacturing Company | Melt-blown fibrous electrets |
AU565762B2 (en) * | 1983-02-04 | 1987-09-24 | Minnesota Mining And Manufacturing Company | Method and apparatus for manufacturing an electret filter medium |
US4536440A (en) * | 1984-03-27 | 1985-08-20 | Minnesota Mining And Manufacturing Company | Molded fibrous filtration products |
US4931230A (en) * | 1986-05-08 | 1990-06-05 | Minnesota Mining And Manufacturing Company | Method for preparing radiation resistant polypropylene articles |
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 |
US4950549A (en) * | 1987-07-01 | 1990-08-21 | Minnesota Mining And Manufacturing Company | Polypropylene articles and method for preparing same |
US4874399A (en) * | 1988-01-25 | 1989-10-17 | Minnesota Mining And Manufacturing Company | Electret filter made of fibers containing polypropylene and poly(4-methyl-1-pentene) |
JP2672329B2 (ja) * | 1988-05-13 | 1997-11-05 | 東レ株式会社 | エレクトレット材料 |
CA2037942A1 (en) * | 1990-03-12 | 1991-09-13 | Satoshi Matsuura | Process for producing an electret, a film electret, and an electret filter |
EP0615007B1 (de) * | 1993-03-09 | 2004-02-04 | Trevira Gmbh | Elektretfasern mit verbesserter Ladungsstabilität, Verfahren zu ihrer Herstellung, und Textilmaterial enthaltend diese Elektretfasern |
AU669420B2 (en) * | 1993-03-26 | 1996-06-06 | Minnesota Mining And Manufacturing Company | Oily mist resistant electret filter media |
KR100336012B1 (ko) * | 1993-08-17 | 2002-10-11 | 미네소타 마이닝 앤드 매뉴팩춰링 캄파니 | 일렉트릿필터매체를하전시키는방법 |
US5908598A (en) * | 1995-08-14 | 1999-06-01 | Minnesota Mining And Manufacturing Company | Fibrous webs having enhanced electret properties |
EP0829293B1 (en) * | 1996-09-04 | 2004-06-23 | AS Askju | Method of making a filter material |
US5817415A (en) * | 1996-09-12 | 1998-10-06 | E. I. Du Pont De Nemours And Company | Meltblown ionomer microfibers and non-woven webs made therefrom for gas filters |
DE19732995A1 (de) * | 1997-07-31 | 1999-02-04 | Clariant Gmbh | Verwendung von Inter-Polyelektrolyt-Komplexen als Ladungssteuermittel |
US5871836A (en) * | 1997-08-27 | 1999-02-16 | Airflo Europe N.V. | Composite pleated fibrous structures containing split film fibers |
-
1997
- 1997-10-01 US US08/941,864 patent/US6068799A/en not_active Expired - Fee Related
-
1998
- 1998-02-02 BR BR9812593-1A patent/BR9812593A/pt not_active IP Right Cessation
- 1998-02-02 KR KR10-2000-7003518A patent/KR100519882B1/ko not_active IP Right Cessation
- 1998-02-02 WO PCT/US1998/001457 patent/WO1999016533A1/en active IP Right Grant
- 1998-02-02 EP EP98906004A patent/EP1019174B1/en not_active Expired - Lifetime
- 1998-02-02 DE DE69830505T patent/DE69830505T2/de not_active Expired - Fee Related
- 1998-02-02 CZ CZ20001180A patent/CZ295232B6/cs not_active IP Right Cessation
- 1998-02-02 CA CA002304284A patent/CA2304284A1/en not_active Abandoned
- 1998-02-02 PL PL98339655A patent/PL339655A1/xx unknown
- 1998-02-02 RU RU2000108471/04A patent/RU2246979C2/ru not_active IP Right Cessation
- 1998-02-02 AU AU61348/98A patent/AU739986B2/en not_active Ceased
- 1998-02-02 CN CNB988097370A patent/CN1154530C/zh not_active Expired - Fee Related
- 1998-02-02 ES ES98906004T patent/ES2242272T3/es not_active Expired - Lifetime
- 1998-02-02 JP JP2000513659A patent/JP2003522300A/ja not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
CA2304284A1 (en) | 1999-04-08 |
EP1019174A1 (en) | 2000-07-19 |
KR100519882B1 (ko) | 2005-10-11 |
RU2246979C2 (ru) | 2005-02-27 |
DE69830505D1 (de) | 2005-07-14 |
KR20010024376A (ko) | 2001-03-26 |
DE69830505T2 (de) | 2006-03-23 |
US6068799A (en) | 2000-05-30 |
AU6134898A (en) | 1999-04-23 |
EP1019174B1 (en) | 2005-06-08 |
AU739986B2 (en) | 2001-10-25 |
CN1272803A (zh) | 2000-11-08 |
PL339655A1 (en) | 2001-01-02 |
JP2003522300A (ja) | 2003-07-22 |
CN1154530C (zh) | 2004-06-23 |
ES2242272T3 (es) | 2005-11-01 |
CZ20001180A3 (cs) | 2000-09-13 |
CZ295232B6 (cs) | 2005-06-15 |
WO1999016533A1 (en) | 1999-04-08 |
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