DE69735554D1 - Hochgradig assymetrische, hydrophile mikrofiltrationsmembranen mit grossen porendurchmessern - Google Patents
Hochgradig assymetrische, hydrophile mikrofiltrationsmembranen mit grossen porendurchmessernInfo
- Publication number
- DE69735554D1 DE69735554D1 DE69735554T DE69735554T DE69735554D1 DE 69735554 D1 DE69735554 D1 DE 69735554D1 DE 69735554 T DE69735554 T DE 69735554T DE 69735554 T DE69735554 T DE 69735554T DE 69735554 D1 DE69735554 D1 DE 69735554D1
- Authority
- DE
- Germany
- Prior art keywords
- assymetric
- high grade
- large pore
- pore diameters
- microfiltration membranes
- 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
Links
- 239000012528 membrane Substances 0.000 title 1
- 238000001471 micro-filtration Methods 0.000 title 1
- 239000011148 porous material Substances 0.000 title 1
Classifications
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- 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
- B01D71/66—Polymers having sulfur in the main chain, with or without nitrogen, oxygen or carbon only
- B01D71/68—Polysulfones; Polyethersulfones
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
- B01D67/0011—Casting solutions therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
- B01D67/0013—Casting processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
- B01D67/0013—Casting processes
- B01D67/00135—Air gap characteristics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
- B01D67/0016—Coagulation
-
- 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
- B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
-
- 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
- B01D69/12—Composite membranes; Ultra-thin membranes
-
- 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
- B01D69/12—Composite membranes; Ultra-thin membranes
- B01D69/1216—Three or more layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/02—Hydrophilization
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/08—Specific temperatures applied
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/08—Specific temperatures applied
- B01D2323/081—Heating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/12—Specific ratios of components used
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/02—Details relating to pores or porosity of the membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/02—Details relating to pores or porosity of the membranes
- B01D2325/022—Asymmetric membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/02—Details relating to pores or porosity of the membranes
- B01D2325/0283—Pore size
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/02—Details relating to pores or porosity of the membranes
- B01D2325/0283—Pore size
- B01D2325/02834—Pore size more than 0.1 and up to 1 µm
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/04—Characteristic thickness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/36—Hydrophilic membranes
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- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
- Y10T428/24992—Density or compression of components
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249961—With gradual property change within a component
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249978—Voids specified as micro
- Y10T428/249979—Specified thickness of void-containing component [absolute or relative] or numerical cell dimension
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249978—Voids specified as micro
- Y10T428/24998—Composite has more than two layers
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249987—With nonvoid component of specified composition
- Y10T428/249988—Of about the same composition as, and adjacent to, the void-containing component
- Y10T428/249989—Integrally formed skin
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2973—Particular cross section
- Y10T428/2975—Tubular or cellular
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/25—Chemistry: analytical and immunological testing including sample preparation
- Y10T436/25375—Liberation or purification of sample or separation of material from a sample [e.g., filtering, centrifuging, etc.]
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/25—Chemistry: analytical and immunological testing including sample preparation
- Y10T436/25375—Liberation or purification of sample or separation of material from a sample [e.g., filtering, centrifuging, etc.]
- Y10T436/255—Liberation or purification of sample or separation of material from a sample [e.g., filtering, centrifuging, etc.] including use of a solid sorbent, semipermeable membrane, or liquid extraction
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/764,321 US6045899A (en) | 1996-12-12 | 1996-12-12 | Highly assymetric, hydrophilic, microfiltration membranes having large pore diameters |
US764321 | 1996-12-12 | ||
PCT/US1997/022497 WO1998025758A1 (en) | 1996-12-12 | 1997-12-08 | Highly asymmetric, hydrophilic, microfiltration membranes having large pore diameters |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69735554D1 true DE69735554D1 (de) | 2006-05-11 |
DE69735554T2 DE69735554T2 (de) | 2006-12-28 |
Family
ID=25070369
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69735554T Expired - Lifetime DE69735554T2 (de) | 1996-12-12 | 1997-12-08 | Hochgradig assymetrische, hydrophile mikrofiltrationsmembranen mit grossen porendurchmessern |
Country Status (8)
Country | Link |
---|---|
US (4) | US6045899A (de) |
EP (1) | EP0946354B1 (de) |
JP (1) | JP4461205B2 (de) |
CN (1) | CN1101310C (de) |
AU (1) | AU5596498A (de) |
CA (1) | CA2274783C (de) |
DE (1) | DE69735554T2 (de) |
WO (1) | WO1998025758A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105536579A (zh) * | 2016-01-29 | 2016-05-04 | 天津工业大学 | 一种基于静电纺丝技术的不对称多孔膜的制备方法 |
Families Citing this family (197)
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KR100346590B1 (ko) * | 1994-06-07 | 2002-09-18 | 미쯔비시 레이온 가부시끼가이샤 | 폴리술폰제다공질막및그제법 |
WO1996040421A1 (en) * | 1995-06-07 | 1996-12-19 | Memtec America Corporation | Microfiltration membranes having high pore density and mixed isotropic and anisotropic structure |
US6045899A (en) * | 1996-12-12 | 2000-04-04 | Usf Filtration & Separations Group, Inc. | Highly assymetric, hydrophilic, microfiltration membranes having large pore diameters |
CA2639642C (en) | 1996-12-20 | 2013-01-15 | Siemens Water Technologies Corp. | Scouring method |
US7108791B2 (en) * | 1999-09-14 | 2006-09-19 | Millipore Corporation | High-resolution virus removal methodology and filtration capsule useful therefor |
US7942274B2 (en) * | 2000-05-24 | 2011-05-17 | Millipore Corporation | High-throughput asymmetric membrane |
US7229665B2 (en) * | 2001-05-22 | 2007-06-12 | Millipore Corporation | Process of forming multilayered structures |
US6994811B2 (en) * | 2001-05-22 | 2006-02-07 | Millipore Corporation | Method of manufacturing membranes and the resulting membranes |
AU2001277264A1 (en) * | 2000-07-14 | 2002-01-30 | Usf Filtration And Separations Group Inc. | Asymmetric, permanently hydrophilic filtration membranes |
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US6994789B2 (en) * | 2000-08-07 | 2006-02-07 | Cuno Incorporated | Pre-metered, unsupported multilayer microporous membrane |
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AUPR143400A0 (en) * | 2000-11-13 | 2000-12-07 | Usf Filtration And Separations Group Inc. | Modified membranes |
US6544223B1 (en) * | 2001-01-05 | 2003-04-08 | Advanced Cardiovascular Systems, Inc. | Balloon catheter for delivering therapeutic agents |
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US20030052055A1 (en) * | 2001-03-08 | 2003-03-20 | Hiroharu Akamatsu | Hollow fiber membrane, hollow fiber membrane module, and water purifier |
AUPR421501A0 (en) | 2001-04-04 | 2001-05-03 | U.S. Filter Wastewater Group, Inc. | Potting method |
AU2002304623A1 (en) * | 2001-05-11 | 2002-11-25 | Poly-An Gesellschaft Zur Herstellung Von Polymeren Fur Spezielle Anwendungen Und Analytik Mbh | Method for reducing an adsorption tendency of molecules or biological cells on a material surface |
US6605154B1 (en) * | 2001-05-31 | 2003-08-12 | Advanced Cardiovascular Systems, Inc. | Stent mounting device |
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-
1996
- 1996-12-12 US US08/764,321 patent/US6045899A/en not_active Expired - Lifetime
-
1997
- 1997-12-08 JP JP52687398A patent/JP4461205B2/ja not_active Expired - Lifetime
- 1997-12-08 EP EP97952327A patent/EP0946354B1/de not_active Expired - Lifetime
- 1997-12-08 CA CA002274783A patent/CA2274783C/en not_active Expired - Lifetime
- 1997-12-08 DE DE69735554T patent/DE69735554T2/de not_active Expired - Lifetime
- 1997-12-08 WO PCT/US1997/022497 patent/WO1998025758A1/en active IP Right Grant
- 1997-12-08 CN CN97181635A patent/CN1101310C/zh not_active Expired - Lifetime
- 1997-12-08 AU AU55964/98A patent/AU5596498A/en not_active Abandoned
-
1999
- 1999-10-08 US US09/415,320 patent/US6565782B1/en not_active Expired - Lifetime
-
2003
- 2003-04-29 US US10/427,752 patent/US6939468B2/en not_active Expired - Lifetime
-
2004
- 2004-08-16 US US10/918,871 patent/US7125493B2/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105536579A (zh) * | 2016-01-29 | 2016-05-04 | 天津工业大学 | 一种基于静电纺丝技术的不对称多孔膜的制备方法 |
Also Published As
Publication number | Publication date |
---|---|
CA2274783A1 (en) | 1998-06-18 |
CN1101310C (zh) | 2003-02-12 |
WO1998025758A1 (en) | 1998-06-18 |
US7125493B2 (en) | 2006-10-24 |
CN1254308A (zh) | 2000-05-24 |
US6045899A (en) | 2000-04-04 |
CA2274783C (en) | 2005-08-02 |
US6939468B2 (en) | 2005-09-06 |
EP0946354A4 (de) | 2001-04-18 |
EP0946354B1 (de) | 2006-03-22 |
JP2001505818A (ja) | 2001-05-08 |
AU5596498A (en) | 1998-07-03 |
US6565782B1 (en) | 2003-05-20 |
US20040065607A1 (en) | 2004-04-08 |
JP4461205B2 (ja) | 2010-05-12 |
DE69735554T2 (de) | 2006-12-28 |
EP0946354A1 (de) | 1999-10-06 |
US20050011834A1 (en) | 2005-01-20 |
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