ITMI930220A1 - 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 impiegoInfo
- Publication number
- ITMI930220A1 ITMI930220A1 IT000220A ITMI930220A ITMI930220A1 IT MI930220 A1 ITMI930220 A1 IT MI930220A1 IT 000220 A IT000220 A IT 000220A IT MI930220 A ITMI930220 A IT MI930220A IT MI930220 A1 ITMI930220 A1 IT MI930220A1
- Authority
- IT
- Italy
- Prior art keywords
- fluoropolymer
- procedure
- supported
- preparation
- media including
- Prior art date
Links
- 150000001875 compounds Chemical class 0.000 title 1
- 229920002313 fluoropolymer Polymers 0.000 title 1
- 239000004811 fluoropolymer Substances 0.000 title 1
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
-
- 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)
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 true ITMI930220A1 (it) | 1994-08-09 |
IT1270864B 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 (it) |
DE (1) | DE4303765C2 (it) |
FR (1) | FR2687160B1 (it) |
GB (1) | GB2263883B (it) |
IT (1) | IT1270864B (it) |
Families Citing this family (27)
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 |
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 |
US6808553B2 (en) * | 2001-06-13 | 2004-10-26 | 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 |
AU2005304879B2 (en) | 2004-11-05 | 2010-02-04 | Donaldson Company, Inc. | Filter medium and structure |
US8021457B2 (en) | 2004-11-05 | 2011-09-20 | Donaldson Company, Inc. | Filter media and structure |
US8057567B2 (en) | 2004-11-05 | 2011-11-15 | Donaldson Company, Inc. | Filter medium and breather filter 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 |
ATE442893T1 (de) | 2005-02-22 | 2009-10-15 | Donaldson Co Inc | Aerosolabscheider |
WO2007115321A2 (en) * | 2006-04-04 | 2007-10-11 | 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 |
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 |
EP3439760B1 (en) * | 2016-04-07 | 2023-08-23 | North Carolina State University | Passive sampler |
KR20230010689A (ko) | 2020-05-15 | 2023-01-19 | 엔테그리스, 아이엔씨. | 라미네이팅된 단일 층 복합 막의 형성 방법 |
Family Cites Families (15)
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 |
DE3486268T2 (de) * | 1983-06-22 | 1994-07-07 | Atochem Elf Sa | Werkstoff auf Basis von stromleitfähigen Fasern, seine Herstellung und seine Anwendung, insbesondere zur Herstellung von katodischen Elementen. |
US4664683A (en) * | 1984-04-25 | 1987-05-12 | Pall Corporation | Self-supporting structures containing immobilized carbon particles and method for forming same |
GB2169224B (en) * | 1984-12-21 | 1989-01-11 | Pall Corp | Supported microporous membrane and method of making |
US4774001A (en) * | 1984-12-21 | 1988-09-27 | Pall Corporation | Supported microporous membrane |
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 |
-
1992
- 1992-02-10 US US07/833,122 patent/US5366631A/en not_active Expired - Lifetime
-
1993
- 1993-01-13 GB GB9300552A patent/GB2263883B/en not_active Expired - Fee Related
- 1993-02-05 FR FR9301303A patent/FR2687160B1/fr not_active Expired - Fee Related
- 1993-02-09 DE DE4303765A patent/DE4303765C2/de not_active Expired - Fee Related
- 1993-02-09 IT ITMI930220A patent/IT1270864B/it active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
US5366631A (en) | 1994-11-22 |
GB2263883A (en) | 1993-08-11 |
GB9300552D0 (en) | 1993-03-03 |
FR2687160B1 (fr) | 1995-05-05 |
GB2263883B (en) | 1995-07-19 |
ITMI930220A0 (it) | 1993-02-09 |
DE4303765A1 (it) | 1993-09-09 |
DE4303765C2 (de) | 2000-04-13 |
IT1270864B (it) | 1997-05-13 |
FR2687160A1 (fr) | 1993-08-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970227 |