ES2196818T3 - Materiales filtrantes y metodos para su preparacion. - Google Patents

Materiales filtrantes y metodos para su preparacion.

Info

Publication number
ES2196818T3
ES2196818T3 ES99928088T ES99928088T ES2196818T3 ES 2196818 T3 ES2196818 T3 ES 2196818T3 ES 99928088 T ES99928088 T ES 99928088T ES 99928088 T ES99928088 T ES 99928088T ES 2196818 T3 ES2196818 T3 ES 2196818T3
Authority
ES
Spain
Prior art keywords
preparation
methods
fibres
filter materials
polyvinyl chloride
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
Application number
ES99928088T
Other languages
English (en)
Inventor
John Gordon
Jeremy Andrew Collingwood
Martyn Peter Kennaugh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hollingsworth and Vose Air Filtration Ltd
Original Assignee
Hollingsworth and Vose Air Filtration Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10835734&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2196818(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hollingsworth and Vose Air Filtration Ltd filed Critical Hollingsworth and Vose Air Filtration Ltd
Application granted granted Critical
Publication of ES2196818T3 publication Critical patent/ES2196818T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/16—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion
    • 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
    • B01D39/163—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin sintered or bonded
    • 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
    • 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
    • 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
    • D04H1/4282—Addition polymers
    • D04H1/43—Acrylonitrile 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
    • D04H1/44—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • 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
    • 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/005—Synthetic yarns or filaments
    • D04H3/007—Addition polymers
    • 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
    • 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
    • Y10S55/00—Gas separation
    • Y10S55/05—Methods of making 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S55/00—Gas separation
    • Y10S55/39—Electrets separator

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Filtering Materials (AREA)
  • Nonwoven Fabrics (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Fats And Perfumes (AREA)
  • Electrostatic Separation (AREA)

Abstract

Material filtrante cargado electrostáticamente, que comprende una mezcla de fibras de polipropileno y fibras acrílicas exentas de halógeno, en el que las fibras acrílicas exentas de halógeno se preparan mediante hilatura en seco.
ES99928088T 1998-07-18 1999-06-24 Materiales filtrantes y metodos para su preparacion. Expired - Lifetime ES2196818T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9815629.2A GB9815629D0 (en) 1998-07-18 1998-07-18 Filter materials and methods for the producton thereof

Publications (1)

Publication Number Publication Date
ES2196818T3 true ES2196818T3 (es) 2003-12-16

Family

ID=10835734

Family Applications (1)

Application Number Title Priority Date Filing Date
ES99928088T Expired - Lifetime ES2196818T3 (es) 1998-07-18 1999-06-24 Materiales filtrantes y metodos para su preparacion.

Country Status (10)

Country Link
US (1) US6623548B1 (es)
EP (1) EP1099016B1 (es)
JP (1) JP4290339B2 (es)
AT (1) ATE235589T1 (es)
AU (1) AU4521499A (es)
DE (1) DE69906304T2 (es)
DK (1) DK1099016T3 (es)
ES (1) ES2196818T3 (es)
GB (1) GB9815629D0 (es)
WO (1) WO2000004216A1 (es)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10059050C2 (de) * 2000-11-28 2003-02-27 Freudenberg Carl Kg Verfahren zur Herstellung eines triboelektrisch geladenen Vliesstoffs
GB0203524D0 (en) * 2002-02-14 2002-04-03 Soper Adrian J Filtration device
AU2003300116A1 (en) * 2002-12-31 2004-07-29 Hollinee Llc Two fiber 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
US9789494B2 (en) 2005-12-29 2017-10-17 Environmental Management Confederation, Inc. Active field polarized media air cleaner
US8814994B2 (en) 2005-12-29 2014-08-26 Environmental Management Confederation, Inc. 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
US8795601B2 (en) 2005-12-29 2014-08-05 Environmental Management Confederation, Inc. Filter media for active field polarized media air cleaner
US20090095160A1 (en) * 2007-10-12 2009-04-16 Ronald Troxell Electrostatically charged engine intake filter media
EP2227519A2 (en) 2007-11-19 2010-09-15 Shell Internationale Research Maatschappij B.V. Method for the start-up of a catalytic process
WO2010020736A1 (en) * 2008-08-19 2010-02-25 Sergei Botov Filter elements and filter
TWI629386B (zh) * 2010-10-25 2018-07-11 里克Ｌ 查普曼 使用含策略成形纖維及/或電荷控制劑的纖維共混物的過濾材料
US8496088B2 (en) 2011-11-09 2013-07-30 Milliken & Company Acoustic composite
GB2488624B (en) * 2011-12-09 2012-12-19 Sergei Botov Filter elements and filter
US9186608B2 (en) 2012-09-26 2015-11-17 Milliken & Company Process for forming a high efficiency nanofiber filter
US9421486B2 (en) 2013-10-19 2016-08-23 Mann+Hummel Gmbh Nanofiber coating, method for its production, and filter medium with such a coating
SG11201708373WA (en) 2015-04-14 2017-11-29 Environmental Man Confederation Inc Corrugated filtration media for polarizing air cleaner
US20180001244A1 (en) 2016-07-01 2018-01-04 Hollingsworth & Vose Company Multi-layered electret-containing filtration media
US10814261B2 (en) * 2017-02-21 2020-10-27 Hollingsworth & Vose Company Electret-containing filter media
CN115646068A (zh) 2017-02-21 2023-01-31 霍林斯沃思和沃斯有限公司 含驻极体的过滤介质
US11077394B2 (en) 2017-02-21 2021-08-03 Hollingsworth & Vose Company Electret-containing filter media
CN112218697A (zh) * 2018-06-25 2021-01-12 泽费罗斯股份有限公司 用于非织造材料的功能性插入物
US11420143B2 (en) * 2018-11-05 2022-08-23 Hollingsworth & Vose Company Filter media with irregular structure and/or reversibly stretchable layers
US11433332B2 (en) 2018-11-05 2022-09-06 Hollingsworth & Vose Company Filter media with irregular structure

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB384052A (en) * 1931-11-06 1932-12-01 Nicolai Louis Hansen Method for the manufacture of smoke filters or collective filters
GB8612070D0 (en) * 1986-05-19 1986-06-25 Brown R C Blended-fibre filter material
DE3832870A1 (de) * 1988-09-28 1990-03-29 Bayer Ag (kontinuierliche) herstellung von acrylnitrilfaeden und -fasern aus restloesungsmittelarmem spinngut
US5419953A (en) * 1993-05-20 1995-05-30 Chapman; Rick L. Multilayer composite air filtration media
DE4407344C1 (de) * 1994-03-05 1995-05-11 Freudenberg Carl Fa Luftfiltermaterial, seine Verwendung und Herstellung
US5898981A (en) 1996-04-30 1999-05-04 Minnesota Mining & Manufacturing Company Synthetic filter media and method for manufacturing same

Also Published As

Publication number Publication date
AU4521499A (en) 2000-02-07
ATE235589T1 (de) 2003-04-15
DK1099016T3 (da) 2003-07-07
DE69906304T2 (de) 2004-02-12
JP2002520506A (ja) 2002-07-09
JP4290339B2 (ja) 2009-07-01
EP1099016B1 (en) 2003-03-26
WO2000004216A1 (en) 2000-01-27
DE69906304D1 (de) 2003-04-30
EP1099016A1 (en) 2001-05-16
GB9815629D0 (en) 1998-09-16
US6623548B1 (en) 2003-09-23

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