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—Polytetrafluoroethylene
    • 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 (https=)
DE (1) DE4303765C2 (https=)
FR (1) FR2687160B1 (https=)
GB (1) GB2263883B (https=)
IT (1) IT1270864B (https=)

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
US7378020B2 (en) * 2002-08-14 2008-05-27 Pall Corporation Fluoropolymer membrane
US12172111B2 (en) 2004-11-05 2024-12-24 Donaldson Company, Inc. Filter medium and breather filter structure
US8057567B2 (en) 2004-11-05 2011-11-15 Donaldson Company, Inc. Filter medium and breather filter structure
US8021457B2 (en) 2004-11-05 2011-09-20 Donaldson Company, Inc. Filter media and structure
EP1827649B1 (en) 2004-11-05 2013-02-27 Donaldson Company, Inc. Filter medium and structure
DE102004055542A1 (de) * 2004-11-17 2006-05-18 Basf Ag Verfahren zur Herstellung einer feinteiligen Emulsion aus einer Rohemulsion
US8177875B2 (en) 2005-02-04 2012-05-15 Donaldson Company, Inc. Aerosol separator; and method
WO2006091594A1 (en) 2005-02-22 2006-08-31 Donaldson Company, Inc. Aerosol separator
US7790113B2 (en) * 2006-04-04 2010-09-07 Photonic Biosystems, Inc. Visual, continuous and simultaneous measurement of solution ammonia and hydrogen ion concentration
EP2117674A1 (en) 2007-02-22 2009-11-18 Donaldson Company, Inc. Filter element and method
WO2008103821A2 (en) 2007-02-23 2008-08-28 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
US8267681B2 (en) 2009-01-28 2012-09-18 Donaldson Company, Inc. Method and apparatus for forming a 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
ES2955106T3 (es) * 2016-04-07 2023-11-28 Univ North Carolina State Muestreador pasivo
EP4149664A4 (en) 2020-05-15 2024-05-29 Entegris, Inc. METHOD FOR PRODUCING A LAMINATED SINGLE-LAYER COMPOSITE MEMBRANE

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA962021A (en) * 1970-05-21 1975-02-04 Robert W. Gore Porous products and process therefor
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
CA1147109A (en) * 1978-11-30 1983-05-31 Hiroshi Mano Porous structure of polytetrafluoroethylene and process for production thereof
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
ES533583A0 (es) * 1983-06-22 1985-07-01 Atochem Procedimiento para fabricar materiales que comprenden fibras y un aglutinante, utilizable especialmente para realizar el elemento catodico de una celda de electrolisis
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
GB9300552D0 (en) 1993-03-03
DE4303765C2 (de) 2000-04-13
ITMI930220A1 (it) 1994-08-09
GB2263883B (en) 1995-07-19
FR2687160B1 (fr) 1995-05-05
ITMI930220A0 (it) 1993-02-09
DE4303765A1 (https=) 1993-09-09
GB2263883A (en) 1993-08-11
FR2687160A1 (fr) 1993-08-13
US5366631A (en) 1994-11-22

Similar Documents

Publication Publication Date Title
IT1270864B (it) Mezzi compositi supportati e microporosi comprendenti un fluoropolimero procedimento per la loro preparazione e loro impiego
ATE265882T1 (de) Filtervorrichtung für biologische fluide mit einem leukocyten abreichernden medium
BR8602350A (pt) Processo para filtrar fluidos,estrutura de membrana composita e processo para sua preparacao
IT8020489A0 (it) Procedimento per la formazione di elettrodi sulle superficie di membrane semipermeabili e sistemi elettrodo-membrana cosi' prodotti.
BE865875A (fr) Procede de fabrication de membranes minerales permeables.
AU560398B2 (en) Composite dense membrane, production of and use for fluid separation
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
NO875316L (no) Fremgangsmaate for separering av gassformige eller flytende hydrokarboner.
FR2678177B1 (fr) Membrane inorganique pour la filtration et, unite de filtration obtenue.
ATE55063T1 (de) Modifizierte zellstofftrennungsmatrize.
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
FR2575459B1 (fr) Procede de fabrication de membranes minerales, poreuses et permeables
IT1274357B (it) Sistema per il trattamento di un fluido biologico
SE9703025D0 (sv) Mediumbehandling
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
DE3371596D1 (en) Membrane module and its use in the separation of liquids by pervaporation
CA2165221A1 (en) Module for blood purification, blood purification membrane and its production
BR8203290A (pt) Processo para a separacao de misturas gasosas por meio da tecnica de mudanca de pressao
FR2609462B1 (fr) Procede pour preparer une membrane en ceramique poreuse, pour la separation de gaz condensable, notamment de la vapeur d'eau dans l'atmosphere
DK0704236T3 (da) Porøs monolistisk støtte til filtreringsmembran
AU7032187A (en) Electrochemical gas generation system for the transport of fluid media
DE69410264D1 (de) Herstellungsverfahren für gastrennungsverbundmembranen

Legal Events

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

Effective date: 19970227