EP1085934B1 - Filtre a air triboelectrique - Google Patents
Filtre a air triboelectrique Download PDFInfo
- Publication number
- EP1085934B1 EP1085934B1 EP98921296A EP98921296A EP1085934B1 EP 1085934 B1 EP1085934 B1 EP 1085934B1 EP 98921296 A EP98921296 A EP 98921296A EP 98921296 A EP98921296 A EP 98921296A EP 1085934 B1 EP1085934 B1 EP 1085934B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- filter
- fibers
- triboelectric
- air filter
- filters
- 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 - Lifetime
Links
Classifications
-
- 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
-
- 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
- B03C3/30—Plant or installations without electricity supply, e.g. using electrets in which electrostatic charge is generated by passage of the gases, i.e. tribo-electricity
-
- 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
- D04H1/4334—Polyamides
- D04H1/4342—Aromatic polyamides
-
- 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
- D04H1/43835—Mixed fibres, e.g. at least two chemically different fibres or fibre blends
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
Abstract
Description
IDENTIFICATION DES FILTRES | |
F1 | Filtre selon l'invention sous la forme d'un non-tissé ayant une masse surfacique de 135 g/m2 et un rapport en poids fibres (2) aux fibres (1) égal à 10:90. Les fibres (2) avaient un titre de 1.5 deniers; les fibres (1) avaient un titre de 3 deniers |
F2 | Filtre identique à F1 avec, en outre, un agent anti-statique pour inhiber les charges électriques. |
F3 | Filtre de masse surfacique égale à 135 g/m2, disponible sur le marché et produit par un procédé triboélectrique tel que décrit dans le brevet US 5 470 485. |
Identification | Masse surfacique (g/m2) | Efficacité (%) | Perte de pression (mm d'eau) | Facteur de qualité |
F1 | 135 | 98 | 0.5 | 7.8 |
F2 | 135 | 46 | 0.5 | 0.8 |
F3 | 135 | 94 | 0.4 | 7.0 |
Claims (5)
- Un filtre à air de type triboélectrique, qui est essentiellement constitué d'un mélange de fibres (1) de polypropylène avec des fibres (2) de polymétaphénylène isophtalamide.
- Le filtre de la revendication 1, caractérisé en ce que les fibres (1) et (2) sont présentes dans des quantités telles que le rapport en poids des fibres (2) aux fibres (1) est compris entre 5:95 et 50:50.
- Le filtre de la revendication 2, caractérisé en ce que ledit rapport est compris entre 10:90 et 30:70.
- Le filtre de la revendication 1, 2 ou 3, caractérisé en ce qu'il a une masse surfacique comprise entre 15 et 500 g/m2.
- Le filtre de la revendication 1, 2, 3 ou 4, caractérisé en ce qu'il se présente sous la forme d'un non-tissé.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CA1998/000470 WO1999058224A1 (fr) | 1998-05-13 | 1998-05-13 | Filtre a air triboelectrique |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1085934A1 EP1085934A1 (fr) | 2001-03-28 |
EP1085934B1 true EP1085934B1 (fr) | 2002-03-20 |
Family
ID=4173296
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98921296A Expired - Lifetime EP1085934B1 (fr) | 1998-05-13 | 1998-05-13 | Filtre a air triboelectrique |
Country Status (7)
Country | Link |
---|---|
US (1) | US6328788B1 (fr) |
EP (1) | EP1085934B1 (fr) |
JP (1) | JP2002514494A (fr) |
AU (1) | AU7420898A (fr) |
CA (1) | CA2330805C (fr) |
DE (1) | DE69804361T2 (fr) |
WO (1) | WO1999058224A1 (fr) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6419729B1 (en) | 2000-04-17 | 2002-07-16 | 3M Innovative Properties Company | Filter assemblies with adhesive attachment systems |
WO2002034364A1 (fr) * | 2000-10-26 | 2002-05-02 | Tesa Ag | Charge triboelectrique de tissus et de maillages |
US7434698B2 (en) * | 2002-12-31 | 2008-10-14 | Ahlstrom Air Media Llc | Two fiber filtration material |
US6808548B2 (en) * | 2002-12-31 | 2004-10-26 | Hollinee Glass Corporation | Three component filtration material |
US20040177758A1 (en) * | 2003-03-14 | 2004-09-16 | Tsai Peter P. | Triboelectric air filter media |
SE526593C2 (sv) * | 2003-10-21 | 2005-10-11 | Scandfilter Ab | Luftfiltreringssystem |
US8814994B2 (en) | 2005-12-29 | 2014-08-26 | Environmental Management Confederation, Inc. | Active field polarized media air cleaner |
US8795601B2 (en) | 2005-12-29 | 2014-08-05 | Environmental Management Confederation, Inc. | Filter media for active field polarized media air cleaner |
US7708813B2 (en) * | 2005-12-29 | 2010-05-04 | Environmental Management Confederation, Inc. | Filter media for active field polarized media air cleaner |
KR101332174B1 (ko) * | 2005-12-29 | 2013-11-25 | 인바이런멘탈 메니지먼트 컨피더레이션, 인크. | 필터 뱅크 및 액티브 전계 분극 매체 공기정화기 |
US9789494B2 (en) | 2005-12-29 | 2017-10-17 | Environmental Management Confederation, Inc. | Active field polarized media air cleaner |
US20090095160A1 (en) * | 2007-10-12 | 2009-04-16 | Ronald Troxell | Electrostatically charged engine intake filter media |
EP2632600B1 (fr) * | 2010-10-25 | 2021-04-14 | SWM Luxembourg Sarl | Matériau de filtration utilisant des mélanges de fibres qui contiennent des fibres ayant une forme stratégique et/ou des agents permettant de supprimer les charges |
EP3283226A4 (fr) | 2015-04-14 | 2018-12-05 | Environmental Management Confederation Inc. | Milieu de filtration ondulé pour nettoyeur d'air à polarisation |
US20200061635A1 (en) * | 2018-08-03 | 2020-02-27 | Environmental Management Confederation, Inc. | Scrimless and/or aramid filter media |
CN110369138B (zh) * | 2019-07-19 | 2020-11-10 | 湖州越彬智能科技有限公司 | 一种纺织机粉尘回收系统 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2339697A1 (fr) * | 1976-01-30 | 1977-08-26 | Asahi Chemical Ind | Etoffe composite et son procede de fabrication |
US4146663A (en) * | 1976-08-23 | 1979-03-27 | Asahi Kasei Kogyo Kabushiki Kaisha | Composite fabric combining entangled fabric of microfibers and knitted or woven fabric and process for producing same |
JPS6037029B2 (ja) * | 1978-01-10 | 1985-08-23 | 東洋紡績株式会社 | 流体分離用糸条パツケ−ジの製造法 |
GB8612070D0 (en) | 1986-05-19 | 1986-06-25 | Brown R C | Blended-fibre filter material |
JPH0729029B2 (ja) * | 1986-06-20 | 1995-04-05 | 東洋紡績株式会社 | 中空糸型膜分離装置 |
USH1162H (en) * | 1986-09-11 | 1993-04-06 | Molded composite article and process for producing the same | |
US5037455A (en) * | 1990-09-14 | 1991-08-06 | The Great American Filter Company | Air filter |
US5240479A (en) * | 1991-05-17 | 1993-08-31 | Donaldson Company, Inc. | Pleated filter media having a continuous bead of adhesive between layers of filtering material |
DE4321289A1 (de) | 1993-06-26 | 1995-01-05 | Hoechst Ag | Elektretfasern mit verbesserter Ladungsstabilität, Verfahren zu ihrer Herstellung, und Textilmaterial enthaltend diese Elektretfasern |
US5419953A (en) * | 1993-05-20 | 1995-05-30 | Chapman; Rick L. | Multilayer composite air filtration media |
US5707520A (en) * | 1993-06-27 | 1998-01-13 | Terumo Kabushiki Kaisha | Remover unit for use in filtration circuit for removing at least leukocyte |
JP3311091B2 (ja) * | 1993-06-27 | 2002-08-05 | テルモ株式会社 | 白血球分離用フィルター並びに白血球および血小板分離用フィルター |
DE4407344C1 (de) * | 1994-03-05 | 1995-05-11 | Freudenberg Carl Fa | Luftfiltermaterial, seine Verwendung und Herstellung |
US6162535A (en) | 1996-05-24 | 2000-12-19 | Kimberly-Clark Worldwide, Inc. | Ferroelectric fibers and applications therefor |
JP4223084B2 (ja) * | 1997-07-24 | 2009-02-12 | デュポン帝人アドバンスドペーパー株式会社 | 電池セパレーター |
EP0896026B1 (fr) * | 1997-08-08 | 2006-06-07 | Mitsui Chemicals, Inc. | Composition à base de polymère de 4-méthyl-1-pentène et multicouches et adhésives utilisant cette composition |
-
1998
- 1998-05-13 JP JP2000548068A patent/JP2002514494A/ja active Pending
- 1998-05-13 EP EP98921296A patent/EP1085934B1/fr not_active Expired - Lifetime
- 1998-05-13 US US09/700,212 patent/US6328788B1/en not_active Expired - Lifetime
- 1998-05-13 DE DE69804361T patent/DE69804361T2/de not_active Expired - Lifetime
- 1998-05-13 AU AU74208/98A patent/AU7420898A/en not_active Abandoned
- 1998-05-13 WO PCT/CA1998/000470 patent/WO1999058224A1/fr active IP Right Grant
- 1998-05-13 CA CA002330805A patent/CA2330805C/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69804361T2 (de) | 2002-10-10 |
DE69804361D1 (de) | 2002-04-25 |
JP2002514494A (ja) | 2002-05-21 |
CA2330805A1 (fr) | 1999-11-18 |
AU7420898A (en) | 1999-11-29 |
WO1999058224A1 (fr) | 1999-11-18 |
US6328788B1 (en) | 2001-12-11 |
EP1085934A1 (fr) | 2001-03-28 |
CA2330805C (fr) | 2003-09-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1085934B1 (fr) | Filtre a air triboelectrique | |
US6623548B1 (en) | Filter materials and methods for the production thereof | |
EP0165136A1 (fr) | Compositions détergentes comprenant des copolymères à base de polyoxyéthylène et de polyoxyalkylène utilisés comme agents antiredéposants , et leur procédé de preparation | |
FR2798302A1 (fr) | Filtre compose d'heterocycles azotes tels que l'adn destine notamment a la filtration de fumee de tabac, cigarette comportant un tel filtre | |
EP1109959B1 (fr) | Procede de fabrication d'un produit isolant fibreux, produit et composition d'encollage | |
FR2655068A1 (fr) | Composition d'huile d'ensimage pour le filage a grande vitesse. | |
JPH09170112A (ja) | 内部が潤滑された繊維、その繊維からの、カードできる疎水性のステープルファイバー及び、繊維を製造する方法及び使用する方法 | |
JPH0133600B2 (fr) | ||
JPH02203909A (ja) | 白血球除去用繊維及び白血球除去フィルター | |
US6808548B2 (en) | Three component filtration material | |
JP3708366B2 (ja) | 帯電不織布 | |
US7434698B2 (en) | Two fiber filtration material | |
WO2001002835A1 (fr) | Procede de quantification de microparticules endotheliales | |
JP4659232B2 (ja) | 帯電不織布 | |
JP2672609B2 (ja) | ▲ろ▼材 | |
FR2503175A1 (fr) | Revetement polymerique pour protection d'un metal | |
EP1300506A2 (fr) | Substrat textile à résistance au feu améliorée | |
JPH08311717A (ja) | ポリオレフィン系分割型複合繊維及び不織布 | |
JP2021191568A (ja) | エレクトレットフィルター | |
BE512944A (fr) | ||
TW201945615A (zh) | 聚酯系纖維構造物 | |
JPH11189915A (ja) | アクリル系バインダー繊維 | |
Williams | THE OCCURRENCE OF LIPOID STRUCTURES IN CULTURES OF STREPTOBACILLUS MONILIFORMIS. | |
CH480454A (fr) | Procédé pour fabriquer des fibres acryliques composites | |
JPH1096120A (ja) | 軽量防汚布帛 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20001108 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): DE FR GB IT |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
17Q | First examination report despatched |
Effective date: 20010720 |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: IF02 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): DE FR GB IT |
|
GBT | Gb: translation of ep patent filed (gb section 77(6)(a)/1977) |
Effective date: 20020320 |
|
REF | Corresponds to: |
Ref document number: 69804361 Country of ref document: DE Date of ref document: 20020425 |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed |
Effective date: 20021223 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 19 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 20 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20170525 Year of fee payment: 20 Ref country code: DE Payment date: 20170530 Year of fee payment: 20 Ref country code: GB Payment date: 20170530 Year of fee payment: 20 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: IT Payment date: 20170524 Year of fee payment: 20 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R071 Ref document number: 69804361 Country of ref document: DE |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: PE20 Expiry date: 20180512 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION Effective date: 20180512 |