IT1270864B - Mezzi compositi supportati e microporosi comprendenti un fluoropolimero procedimento per la loro preparazione e loro impiego - Google Patents

Mezzi compositi supportati e microporosi comprendenti un fluoropolimero procedimento per la loro preparazione e loro impiego

Info

Publication number
IT1270864B
IT1270864B ITMI930220A ITMI930220A IT1270864B IT 1270864 B IT1270864 B IT 1270864B IT MI930220 A ITMI930220 A IT MI930220A IT MI930220 A ITMI930220 A IT MI930220A IT 1270864 B IT1270864 B IT 1270864B
Authority
IT
Italy
Prior art keywords
fluoropolymer
supported
microporous
procedure
preparation
Prior art date
Application number
ITMI930220A
Other languages
English (en)
Italian (it)
Inventor
Joseph G Adiletta
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 ITMI930220A0 publication Critical patent/ITMI930220A0/it
Publication of ITMI930220A1 publication Critical patent/ITMI930220A1/it
Application granted granted Critical
Publication of IT1270864B publication Critical patent/IT1270864B/it

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)
ITMI930220A 1992-02-10 1993-02-09 Mezzi compositi supportati e microporosi comprendenti un fluoropolimero procedimento per la loro preparazione e loro impiego IT1270864B (it)

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 (3)

Publication Number Publication Date
ITMI930220A0 ITMI930220A0 (it) 1993-02-09
ITMI930220A1 ITMI930220A1 (it) 1994-08-09
IT1270864B true IT1270864B (it) 1997-05-13

Family

ID=25263496

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI930220A IT1270864B (it) 1992-02-10 1993-02-09 Mezzi compositi supportati e microporosi comprendenti un fluoropolimero procedimento per la loro preparazione e loro impiego

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

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE392582B (sv) * 1970-05-21 1977-04-04 Gore & Ass Forfarande vid framstellning av ett porost material, genom expandering och streckning av en tetrafluoretenpolymer framstelld i ett pastabildande strengsprutningsforfarande
US4025679A (en) * 1976-08-06 1977-05-24 W. L. Gore & Associates, Inc. Fibrillated polytetrafluoroethylene woven filter fabric
US4203848A (en) * 1977-05-25 1980-05-20 Millipore Corporation Processes of making a porous membrane material from polyvinylidene fluoride, and products
US4203847A (en) * 1977-05-25 1980-05-20 Millipore Corporation Making porous membranes and the membrane products
DE2947743C2 (de) * 1978-11-30 1983-12-08 Sumitomo Electric Industries, Ltd., Osaka Einheitliches, poröses röhrenförmiges Gebilde aus Polytetrafluoräthylen
US4399183A (en) * 1979-12-27 1983-08-16 E. I. Du Pont De Nemours And Company Web-supported membrane
US4431545A (en) * 1982-05-07 1984-02-14 Pall Corporation Microporous filter system and process
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
GB2169224B (en) * 1984-12-21 1989-01-11 Pall Corp 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
US4983434A (en) * 1989-04-07 1991-01-08 W. L. Gore & Associates, Inc. Filter laminates
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

Also Published As

Publication number Publication date
GB2263883A (en) 1993-08-11
US5366631A (en) 1994-11-22
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
DE4303765C2 (de) 2000-04-13
DE4303765A1 (enExample) 1993-09-09

Similar Documents

Publication Publication Date Title
IT1270864B (it) Mezzi compositi supportati e microporosi comprendenti un fluoropolimero procedimento per la loro preparazione e loro impiego
BR8602350A (pt) Processo para filtrar fluidos,estrutura de membrana composita e processo para sua preparacao
BE865875A (fr) Procede de fabrication de membranes minerales permeables.
AU560398B2 (en) Composite dense membrane, production of and use for fluid separation
DE3587627D1 (de) Composite-Membranen zur Gastrennung.
ATE174527T1 (de) Membran für die isolierung von viren aus lösungen
NO875315L (no) Fremgangsmaate for separering av gassformige eller flytende hydrokarboner.
DE69025409D1 (de) Hochdruckdichtung für alkalizellen
NO875316D0 (no) Fremgangsmaate for separering av gassformige eller flytende hydrokarboner.
FR2678177B1 (fr) Membrane inorganique pour la filtration et, unite de filtration obtenue.
KR19980700117A (ko) 여과와 분리용 캐리어 디스크 및 멤브레인 쿠션(Carrier Disk and Membrane Cushion for Filtration and Separation)
BE903395A (fr) Fibre creuse membranaire et procede pour la fabriquer
DE3578972D1 (de) Modifizierte zellstofftrennungsmatrize.
IT8421278A0 (it) Procedimento e apparato per la separazione di aria criogenica a tripla pressione con scambio dicalore latente da bassa e media pressione.
DK118785D0 (da) Kobling for trykgasledning
IT1274357B (it) Sistema per il trattamento di un fluido biologico
IT8567140A1 (it) Procedimento perfezionato per la produzione di proteine, particolarmente anticorpi, con l'impiego di mezzi ipertonici, e mezzo ipertonico per l'attuazione di tale procedimento.
NO971031D0 (no) Fremgangsmåte og system for ekstrahering av et opplöst stoff fra et fluid ved bruk av en gass med höy densitet og et poröst membran
BR8203290A (pt) Processo para a separacao de misturas gasosas por meio da tecnica de mudanca de pressao
IT1152137B (it) Diaframma, procedimento per la sua realizzazione, e procedimento di elettrolisi impiegante tale diaframma
ATE57100T1 (de) Biologisch-kuenstlicher pankreas unter verwendung von ultrafiltration.
DK0704236T3 (da) Porøs monolistisk støtte til filtreringsmembran
AU7032187A (en) Electrochemical gas generation system for the transport of fluid media
DE69410264D1 (de) Herstellungsverfahren für gastrennungsverbundmembranen
IL77419A (en) Production of structures having membranes with continuous pores,method of altering the effective pore size of such structures and the use of structures thus produced or altered

Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970227