DE4303765C2 - Komposite Fluorkohlenstoff-Medien mit Träger - Google Patents

Komposite Fluorkohlenstoff-Medien mit Träger

Info

Publication number
DE4303765C2
DE4303765C2 DE4303765A DE4303765A DE4303765C2 DE 4303765 C2 DE4303765 C2 DE 4303765C2 DE 4303765 A DE4303765 A DE 4303765A DE 4303765 A DE4303765 A DE 4303765A DE 4303765 C2 DE4303765 C2 DE 4303765C2
Authority
DE
Germany
Prior art keywords
microporous
fluoropolymer
membrane
composite
web
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 - Fee Related
Application number
DE4303765A
Other languages
German (de)
English (en)
Other versions
DE4303765A1 (enExample
Inventor
Joseph G Adiletta
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.)
Pall Corp
Original Assignee
Pall Corp
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 Pall Corp filed Critical Pall Corp
Publication of DE4303765A1 publication Critical patent/DE4303765A1/de
Application granted granted Critical
Publication of DE4303765C2 publication Critical patent/DE4303765C2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • 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
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10—Supported membranes; Membrane supports
    • B01D69/107—Organic support material
    • B01D69/1071—Woven, non-woven or net mesh
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/30—Polyalkenyl halides
    • B01D71/32—Polyalkenyl halides containing fluorine atoms
    • B01D71/36—Polytetrafluoroethene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B32B27/322—Layered products comprising a layer of synthetic resin comprising polyolefins comprising halogenated polyolefins, e.g. PTFE
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0253—Polyolefin fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/02—Cellular or porous
    • B32B2305/026—Porous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2327/00—Polyvinylhalogenides
    • B32B2327/12—Polyvinylhalogenides containing fluorine
    • B32B2327/18—PTFE, i.e. polytetrafluoroethylene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
DE4303765A 1992-02-10 1993-02-09 Komposite Fluorkohlenstoff-Medien mit Träger Expired - Fee Related DE4303765C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/833,122 US5366631A (en) 1992-02-10 1992-02-10 Composite, supported fluorocarbon media

Publications (2)

Publication Number Publication Date
DE4303765A1 DE4303765A1 (enExample) 1993-09-09
DE4303765C2 true DE4303765C2 (de) 2000-04-13

Family

ID=25263496

Family Applications (1)

Application Number Title Priority Date Filing Date
DE4303765A Expired - Fee Related DE4303765C2 (de) 1992-02-10 1993-02-09 Komposite Fluorkohlenstoff-Medien mit Träger

Country Status (5)

Country Link
US (1) US5366631A (enExample)
DE (1) DE4303765C2 (enExample)
FR (1) FR2687160B1 (enExample)
GB (1) GB2263883B (enExample)
IT (1) IT1270864B (enExample)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW371284B (en) 1996-12-04 1999-10-01 Daikin Ind Ltd Filtration material of filter and air cleaning device using the filtration material
US5912072A (en) * 1997-09-18 1999-06-15 The Procter & Gamble Company Process of reducing wet pressure drop in a limiting orifice drying medium and a limiting orifice drying medium made thereby
US6103172A (en) * 1998-04-07 2000-08-15 Pall Corporation Method of preparaing a porous polytetrafluoroethylene membranne
RU2149051C1 (ru) * 1998-06-22 2000-05-20 Индивидуальное частное предприятие "Промышленно-коммерческое предприятие "Филдис" Хуснетдинова Состав керамического фильтра
WO2001035057A2 (en) * 1999-11-09 2001-05-17 Photonic Biosystems, Inc. Ammonia detection and measurement device
US6617151B1 (en) * 2000-02-29 2003-09-09 Gore Enterprise Holdings, Inc. Method of closing a cell containment device with a wet seal
WO2002061170A1 (en) * 2001-01-31 2002-08-08 Pall Corporation Purification systems, methods and devices
EP1266681B1 (en) * 2001-06-13 2013-12-25 Nitto Denko Corporation Filter medium for turbine and methods of using and producing the same
AU2003254111A1 (en) * 2002-08-14 2004-03-03 Pall Corporation Fluoropolymer membrane
US8057567B2 (en) 2004-11-05 2011-11-15 Donaldson Company, Inc. Filter medium and breather filter structure
ES2920610T3 (es) 2004-11-05 2022-08-05 Donaldson Co Inc Procedimiento para filtrar un fluido calentado
US12172111B2 (en) 2004-11-05 2024-12-24 Donaldson Company, Inc. Filter medium and breather filter structure
US8021457B2 (en) 2004-11-05 2011-09-20 Donaldson Company, Inc. Filter media and structure
DE102004055542A1 (de) * 2004-11-17 2006-05-18 Basf Ag Verfahren zur Herstellung einer feinteiligen Emulsion aus einer Rohemulsion
EP1846136A2 (en) 2005-02-04 2007-10-24 Donaldson Company, Inc. Aerosol separator
CN101163534A (zh) 2005-02-22 2008-04-16 唐纳森公司 气溶胶分离器
WO2007115321A2 (en) * 2006-04-04 2007-10-11 Photonic Biosystems, Inc. Visual, continuous and simultaneous measurement of solution ammonia and hydrogen ion concentration
JP2010529902A (ja) 2007-02-22 2010-09-02 ドナルドソン カンパニー インコーポレイテッド フイルタ要素及び方法
EP2125149A2 (en) 2007-02-23 2009-12-02 Donaldson Company, Inc. Formed filter element
US8673040B2 (en) 2008-06-13 2014-03-18 Donaldson Company, Inc. Filter construction for use with air in-take for gas turbine and methods
US9885154B2 (en) 2009-01-28 2018-02-06 Donaldson Company, Inc. Fibrous media
US8790432B2 (en) * 2012-04-27 2014-07-29 W. L. Gore & Associates, Inc. Seam-sealed filters and methods of making thereof
US9656214B2 (en) * 2012-11-30 2017-05-23 Empire Technology Development Llc Graphene membrane laminated to porous woven or nonwoven support
US20140231340A1 (en) * 2013-02-15 2014-08-21 Pall Corporation Composite including ptfe membrane
US20140231341A1 (en) * 2013-02-15 2014-08-21 Pall Corporation Ptfe membrane
US20140332459A1 (en) * 2013-05-10 2014-11-13 Goodrich Corporation Biocide-loaded electrospun nanofibers supported by adhesive-free thin fabric for pathogen removal filtration
US20140339148A1 (en) * 2013-05-17 2014-11-20 Goodrich Corporation Silver-coated nanofibers fabrics for pathogen removal filtration
WO2017177099A1 (en) * 2016-04-07 2017-10-12 North Carolina State University Passive sampler and methods of making
IL298078B2 (en) 2020-05-15 2024-08-01 Entegris Inc A method for creating a single-layer composite membrane with lamination

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3953566A (en) * 1970-05-21 1976-04-27 W. L. Gore & Associates, Inc. Process for producing porous products
US4203847A (en) * 1977-05-25 1980-05-20 Millipore Corporation Making porous membranes and the membrane products
US4203848A (en) * 1977-05-25 1980-05-20 Millipore Corporation Processes of making a porous membrane material from polyvinylidene fluoride, and products
DE2947743A1 (de) * 1978-11-30 1980-06-04 Sumitomo Electric Industries Poroese struktur aus polytetrafluoraethylen und verfahren zu ihrer herstellung
US4431545A (en) * 1982-05-07 1984-02-14 Pall Corporation Microporous filter system and process
EP0185373A2 (en) * 1984-12-21 1986-06-25 Pall Corporation Supported microporous membrane and method of making
US4716074A (en) * 1986-02-10 1987-12-29 Pall Corporation Porous fibrous fluorocarbon structures
US4954388A (en) * 1988-11-30 1990-09-04 Mallouk Robert S Fabric reinforced composite membrane
EP0391660A2 (en) * 1989-04-07 1990-10-10 W.L. Gore & Associates, Inc. Filter laminates

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4025679A (en) * 1976-08-06 1977-05-24 W. L. Gore & Associates, Inc. Fibrillated polytetrafluoroethylene woven filter fabric
US4399183A (en) * 1979-12-27 1983-08-16 E. I. Du Pont De Nemours And Company Web-supported membrane
EP0132425A1 (fr) * 1983-06-22 1985-01-30 Elf Atochem S.A. Matériau à base de fibres conductrices, sa fabrication et son utilisation notamment pour la réalisation d'éléments cathodiques
US4664683A (en) * 1984-04-25 1987-05-12 Pall Corporation Self-supporting structures containing immobilized carbon particles and method for forming same
US4774001A (en) * 1984-12-21 1988-09-27 Pall Corporation Supported microporous membrane
JPH02277529A (ja) * 1989-04-20 1990-11-14 Japan Gore Tex Inc 浸透気化法用分離膜およびその分離方法

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3953566A (en) * 1970-05-21 1976-04-27 W. L. Gore & Associates, Inc. Process for producing porous products
US4187390A (en) * 1970-05-21 1980-02-05 W. L. Gore & Associates, Inc. Porous products and process therefor
US4203847A (en) * 1977-05-25 1980-05-20 Millipore Corporation Making porous membranes and the membrane products
US4203848A (en) * 1977-05-25 1980-05-20 Millipore Corporation Processes of making a porous membrane material from polyvinylidene fluoride, and products
DE2947743A1 (de) * 1978-11-30 1980-06-04 Sumitomo Electric Industries Poroese struktur aus polytetrafluoraethylen und verfahren zu ihrer herstellung
US4431545A (en) * 1982-05-07 1984-02-14 Pall Corporation Microporous filter system and process
EP0185373A2 (en) * 1984-12-21 1986-06-25 Pall Corporation Supported microporous membrane and method of making
US4716074A (en) * 1986-02-10 1987-12-29 Pall Corporation Porous fibrous fluorocarbon structures
US4954388A (en) * 1988-11-30 1990-09-04 Mallouk Robert S Fabric reinforced composite membrane
EP0391660A2 (en) * 1989-04-07 1990-10-10 W.L. Gore & Associates, Inc. Filter laminates

Also Published As

Publication number Publication date
GB2263883A (en) 1993-08-11
US5366631A (en) 1994-11-22
IT1270864B (it) 1997-05-13
GB9300552D0 (en) 1993-03-03
FR2687160A1 (fr) 1993-08-13
ITMI930220A1 (it) 1994-08-09
FR2687160B1 (fr) 1995-05-05
GB2263883B (en) 1995-07-19
ITMI930220A0 (it) 1993-02-09
DE4303765A1 (enExample) 1993-09-09

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee