NO160903C - Hudfri alkoholuopploeselig polyamidharpiksmembranfolie og fremstilling derav samt dens anvendelse i filterelementer. - Google Patents

Hudfri alkoholuopploeselig polyamidharpiksmembranfolie og fremstilling derav samt dens anvendelse i filterelementer.

Info

Publication number
NO160903C
NO160903C NO813523A NO813523A NO160903C NO 160903 C NO160903 C NO 160903C NO 813523 A NO813523 A NO 813523A NO 813523 A NO813523 A NO 813523A NO 160903 C NO160903 C NO 160903C
Authority
NO
Norway
Prior art keywords
polyamide resin
casting solution
solution
temperature
liquophilic
Prior art date
Application number
NO813523A
Other languages
English (en)
Norwegian (no)
Other versions
NO813523L (no
NO160903B (no
Inventor
David B Pall
Frank Model
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 NO813523L publication Critical patent/NO813523L/no
Publication of NO160903B publication Critical patent/NO160903B/no
Publication of NO160903C publication Critical patent/NO160903C/no

Links

Classifications

    • 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
    • B01D71/56—Polyamides, e.g. polyester-amides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/145—Ultrafiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/10—Testing of membranes or membrane apparatus; Detecting or repairing leaks
    • B01D65/102—Detection of leaks in membranes
    • 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
    • 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
    • B01D69/1214—Chemically bonded layers, e.g. cross-linking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/44—Cartridge types
    • 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
    • B01D2323/12—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
    • B01D2325/36—Hydrophilic membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/38—Hydrophobic membranes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Polyamides (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Laminated Bodies (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • External Artificial Organs (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
NO813523A 1980-10-20 1981-10-19 Hudfri alkoholuopploeselig polyamidharpiksmembranfolie og fremstilling derav samt dens anvendelse i filterelementer. NO160903C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/198,570 US4340480A (en) 1978-05-15 1980-10-20 Process for preparing liquophilic polyamide membrane filter media and product

Publications (3)

Publication Number Publication Date
NO813523L NO813523L (no) 1982-04-21
NO160903B NO160903B (no) 1989-03-06
NO160903C true NO160903C (no) 1989-06-14

Family

ID=22733932

Family Applications (1)

Application Number Title Priority Date Filing Date
NO813523A NO160903C (no) 1980-10-20 1981-10-19 Hudfri alkoholuopploeselig polyamidharpiksmembranfolie og fremstilling derav samt dens anvendelse i filterelementer.

Country Status (17)

Country Link
US (1) US4340480A (de)
EP (1) EP0050789B1 (de)
JP (1) JPS5925603B2 (de)
AT (1) ATE17926T1 (de)
AU (1) AU534042B2 (de)
BR (1) BR8106719A (de)
CA (1) CA1161215A (de)
DE (1) DE3173774D1 (de)
DK (1) DK162196C (de)
ES (1) ES8303483A1 (de)
FI (1) FI68849C (de)
IL (1) IL63929A (de)
MX (1) MX160821A (de)
NO (1) NO160903C (de)
NZ (1) NZ198693A (de)
PT (1) PT73838B (de)
ZA (1) ZA817211B (de)

Families Citing this family (106)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4737291A (en) * 1981-05-29 1988-04-12 Cuno Incorporated Charge modified microporous membrane
US4743418A (en) * 1981-05-29 1988-05-10 Cuno Incorporated Process for charge modifying a microporous membrane
US4707265A (en) * 1981-12-18 1987-11-17 Cuno Incorporated Reinforced microporous membrane
US4707266A (en) * 1982-02-05 1987-11-17 Pall Corporation Polyamide membrane with controlled surface properties
CH656887A5 (fr) * 1982-02-05 1986-07-31 Pall Corp Membrane microporeuse de polyamide, son utilisation et son procede de preparation.
US4477598A (en) * 1982-04-21 1984-10-16 Puropore, Inc. High strength nylon blend membranes
US4450126A (en) * 1982-04-21 1984-05-22 Puropore, Inc. High strength nylon blend membranes
US4588555A (en) * 1982-10-04 1986-05-13 Fmc Corporation Device for use in chemical reactions and analyses
DE3483554D1 (de) * 1983-02-02 1990-12-13 Memtec Ltd Vernetzte poroese membranen.
US4486202A (en) * 1983-06-30 1984-12-04 Monsanto Company Asymmetric gas separation membranes
JPS6227006A (ja) * 1985-07-27 1987-02-05 Fuji Photo Film Co Ltd 微孔性膜
GB8615268D0 (en) * 1986-06-23 1986-07-30 Domnick Hunter Filters Ltd Polyamide membranes
US4812238A (en) * 1987-01-15 1989-03-14 The Dow Chemical Company Membranes prepared via reaction of diazonium compounds or precursors
US4888116A (en) * 1987-01-15 1989-12-19 The Dow Chemical Company Method of improving membrane properties via reaction of diazonium compounds or precursors
DE3874010T2 (de) * 1987-06-12 1993-01-07 Pall Corp Diagnostische testvorrichtung.
US4837054A (en) * 1987-10-14 1989-06-06 Exxon Research And Engineering Company Thin film composite membrane prepared by deposition from a solution
US4861628A (en) * 1987-10-14 1989-08-29 Exxon Research And Engineering Company Thin film composite membrane prepared by suspension deposition
US4921611A (en) * 1987-10-14 1990-05-01 Schucker Robert C Thin film composite membrane prepared by deposition from a solution
US4867934A (en) * 1987-12-23 1989-09-19 Cuno, Inc. Production of hollow nylon fibers
US5215662A (en) * 1988-12-16 1993-06-01 Micron Separations Inc. Heat resistant microporous material production and products
DE68923295T2 (de) * 1988-12-16 1996-03-07 Micron Seperations Inc Wärmebeständiges mikroporöses material, dessen herstellung und erzeugnis.
US5006247A (en) * 1989-08-15 1991-04-09 Minnesota Mining And Manufacturing Company Asymmetric porous polyamide membranes
US5045354A (en) * 1989-12-19 1991-09-03 Exxon Research & Engineering Company Production of supported thin film membranes
US5062927A (en) * 1990-01-05 1991-11-05 T And G Technologies, Inc. Method of operating a still
US5053133A (en) * 1990-02-09 1991-10-01 Elias Klein Affinity separation with activated polyamide microporous membranes
US5084179A (en) * 1990-06-28 1992-01-28 Cuno, Incorporated Narrow pore-size distribution polytetramethylene adipamide or nylon 46 membranes and process for making them
US5143616A (en) * 1991-05-15 1992-09-01 Pall Corporation Composite structure and method of making
US5679249A (en) * 1991-12-24 1997-10-21 Pall Corporation Dynamic filter system
GB2277461B (en) 1991-12-24 1997-04-02 Pall Corp Dynamic filter system
DE69216858D1 (de) * 1992-03-20 1997-02-27 Micron Seperations Inc In alkohol unlösliche mikroporöse nylonmembranen
US5264165A (en) * 1992-05-06 1993-11-23 Cuno, Incorporated Process of making polytetramethylene adipamide or nylon 46 membranes
US6117322A (en) * 1993-06-23 2000-09-12 Pall Corporation Dynamic filter system
US5433859A (en) * 1993-07-12 1995-07-18 Pall Corporation Supported microporous filtration membrane and method of using same
CA2128296A1 (en) * 1993-12-22 1995-06-23 Peter John Degen Polyvinylidene fluoride membrane
JPH07238181A (ja) * 1994-01-21 1995-09-12 Minnesota Mining & Mfg Co <3M> 親水化多孔性物品
DE4421871C2 (de) 1994-06-23 1997-06-19 Seitz Filter Werke Mehrschichtige Mikrofiltrationsmembran mit integrierter Vorfilterschicht und Verfahren zu ihrer Herstellung
US5693231A (en) * 1995-05-08 1997-12-02 Micron Separations, Inc. Aromatic/aliphatic nylon polymer microporous membranes
WO1997018166A2 (en) * 1995-11-14 1997-05-22 Osmotek, Inc. Direct osmotic concentration contaminated water
US6264044B1 (en) 1997-04-11 2001-07-24 Cuno, Inc. Reinforced, three zone microporous membrane
US6056529A (en) * 1998-02-11 2000-05-02 Cuno, Inc. Systems for producing a plurality of different microporous phase inversion membrane each having any one of a plurality of different pore sizes from a single master dope batch
US6413070B1 (en) * 1997-04-11 2002-07-02 Cuno Incorporated System for manufacturing reinforced three-zone microporous membrane
US6090441A (en) * 1998-03-18 2000-07-18 Cuno, Inc. Process of making reinforced, three zone microporous membrane
US6280791B1 (en) 1997-04-11 2001-08-28 Cuno, Inc. Process of making a three-region reinforced microporous filtration membrane
DE69814891T2 (de) * 1997-07-02 2004-05-13 Nitto Denko Corp., Ibaraki Zusammengesetzte umkehrosmosemembran und verfahren zu ihrer herstellung
EP1911488A3 (de) 1997-12-11 2008-12-03 Alza Corporation Vorrichtung zur Verstärkung des Flusses transdermaler Mittel
US6015495A (en) * 1998-02-18 2000-01-18 Saehan Industries Incorporation Composite polyamide reverse osmosis membrane and method of producing the same
US6368507B1 (en) 1998-10-14 2002-04-09 Saekan Industries Incorporation Composite polyamide reverse osmosis membrane and method of producing the same
US6274041B1 (en) 1998-12-18 2001-08-14 Kimberly-Clark Worldwide, Inc. Integrated filter combining physical adsorption and electrokinetic adsorption
US6537614B1 (en) 1998-12-18 2003-03-25 Kimberly-Clark Worldwide, Inc. Cationically charged coating on hydrophobic polymer fibers with poly (vinyl alcohol) assist
US6245234B1 (en) 1999-06-03 2001-06-12 Saehan Industries Incorporation Composite polyamide reverse osmosis membrane and method of producing the same
TR200200141T2 (tr) 1999-07-21 2002-05-21 The Procter & Gamble Company Mikroorganizma filtresi ve mikroorganizmaların sudan uzaklaştırılması için yöntem.
ES2253278T3 (es) 1999-12-10 2006-06-01 Alza Corporation Dispositivo y procedimiento para mejorar la perforacion cutanea con microprotuberancias.
US6645388B2 (en) 1999-12-22 2003-11-11 Kimberly-Clark Corporation Leukocyte depletion filter media, filter produced therefrom, method of making same and method of using same
US7229665B2 (en) * 2001-05-22 2007-06-12 Millipore Corporation Process of forming multilayered structures
US7942274B2 (en) * 2000-05-24 2011-05-17 Millipore Corporation High-throughput asymmetric membrane
AU2001269034A1 (en) 2000-06-03 2001-12-17 Membrana Gmbh Polyamide membrane exhibiting an increased hydrolysis stability and method for the production thereof
US20020179521A1 (en) * 2000-06-05 2002-12-05 Paul C. Thomas Expansion resistant filter cartridge
US6736971B2 (en) * 2000-08-07 2004-05-18 Cuno Incorporated Pre-metered, unsupported multilayer microporous membrane
AU8315701A (en) * 2000-08-07 2002-02-18 Cuno Inc Unsupported multizone microporous membrane
US6994789B2 (en) * 2000-08-07 2006-02-07 Cuno Incorporated Pre-metered, unsupported multilayer microporous membrane
AU2002240237A1 (en) * 2001-02-06 2002-08-19 Pall Corporation Filtration assembly
US7244485B2 (en) * 2001-04-11 2007-07-17 Xerox Corporation Imageable seamed belts having polyamide adhesive between interlocking seaming members
US7614507B2 (en) 2001-08-23 2009-11-10 Pur Water Purification Products Inc. Water filter materials, water filters and kits containing particles coated with cationic polymer and processes for using the same
KR100777951B1 (ko) 2001-08-23 2007-11-28 더 프록터 앤드 갬블 캄파니 정수 필터 재료, 대응하는 정수 필터 및 그의 사용 방법
US20050279696A1 (en) * 2001-08-23 2005-12-22 Bahm Jeannine R Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particles
US7614508B2 (en) 2001-08-23 2009-11-10 Pur Water Purification Products Inc. Water filter materials, water filters and kits containing silver coated particles and processes for using the same
US7615152B2 (en) 2001-08-23 2009-11-10 Pur Water Purification Products, Inc. Water filter device
US20040063169A1 (en) * 2002-02-05 2004-04-01 Jeffrey Kane Filtration assembly
WO2006023743A2 (en) * 2004-08-20 2006-03-02 The Trustees Of Columbia University In The City Of New York Laminar scrubber apparatus for capturing carbon dioxide from air and methods of use
US20060051274A1 (en) * 2004-08-23 2006-03-09 Wright Allen B Removal of carbon dioxide from air
RS51385B (en) * 2005-01-07 2011-02-28 Pfizer Products Inc. HETEROAROMATIC COMPOUNDS OF HINOLINE AND THEIR USE AS PDE10 INHIBITORS
US7655069B2 (en) * 2005-02-02 2010-02-02 Global Research Technologies, Llc Removal of carbon dioxide from air
ES2742686T3 (es) * 2005-03-04 2020-02-17 Pall Corp Método para preparar paquetes corrugados de tratamiento de fluidos
US9266051B2 (en) 2005-07-28 2016-02-23 Carbon Sink, Inc. Removal of carbon dioxide from air
EP2409753B1 (de) * 2005-07-28 2017-07-19 Carbon Sink Inc. Entfernung von kohlenstoffdioxid aus der luft
CA2644676C (en) 2006-03-08 2015-02-10 Global Research Technologies, Llc Air collector with functionalized ion exchange membrane for capturing ambient co2
US7923054B2 (en) * 2006-04-19 2011-04-12 Gore Enterprise Holdings, Inc. Functional porous substrates for attaching biomolecules
JP5204384B2 (ja) 2006-05-19 2013-06-05 富士フイルム株式会社 結晶性ポリマー微孔性膜とその製造方法、および濾過用フィルター
US7708806B2 (en) * 2006-10-02 2010-05-04 Global Research Technologies, Llc Method and apparatus for extracting carbon dioxide from air
AU2008242845B2 (en) 2007-04-17 2012-08-23 Carbon Sink, Inc. Capture of carbon dioxide (CO2) from air
JP5220369B2 (ja) 2007-09-04 2013-06-26 富士フイルム株式会社 結晶性ポリマー微孔性膜及びその製造方法、並びに濾過用フィルタ
AU2008324818A1 (en) * 2007-11-05 2009-05-14 Global Research Technologies, Llc Removal of carbon dioxide from air
JP4863970B2 (ja) 2007-11-16 2012-01-25 富士フイルム株式会社 結晶性ポリマー微孔性膜及びその製造方法、並びに濾過用フィルタ
CA2703551A1 (en) * 2007-11-20 2009-05-28 Global Research Technologies, Llc Air collector with functionalized ion exchange membrane for capturing ambient co2
CA2715874C (en) * 2008-02-19 2019-06-25 Global Research Technologies, Llc Extraction and sequestration of carbon dioxide
US8999279B2 (en) 2008-06-04 2015-04-07 Carbon Sink, Inc. Laminar flow air collector with solid sorbent materials for capturing ambient CO2
WO2010059327A2 (en) * 2008-11-21 2010-05-27 3M Innovative Properties Company Microporous membrane and method for forming
CN104941459B (zh) 2009-03-26 2017-09-22 Bl 科技公司 非编织的增强中空纤维膜
US9061250B2 (en) 2009-06-26 2015-06-23 Bl Technologies, Inc. Non-braided, textile-reinforced hollow fiber membrane
JP5220698B2 (ja) 2009-07-06 2013-06-26 富士フイルム株式会社 結晶性ポリマー微孔性膜及びその製造方法、並びに濾過用フィルタ
US8460591B2 (en) * 2010-03-23 2013-06-11 GM Global Technology Operations LLC Porous membranes and methods of making the same
JP5470140B2 (ja) 2010-03-31 2014-04-16 富士フイルム株式会社 結晶性ポリマー微孔性膜及び濾過用フィルター
CN103097008B (zh) 2010-09-15 2015-12-09 Bl科技公司 围绕可溶芯体制造纱增强式中空纤维膜的方法
US8529814B2 (en) 2010-12-15 2013-09-10 General Electric Company Supported hollow fiber membrane
US8840791B2 (en) 2011-09-01 2014-09-23 Pall Corporation Multilayer microfiltration membrane
US9321014B2 (en) 2011-12-16 2016-04-26 Bl Technologies, Inc. Hollow fiber membrane with compatible reinforcements
US9643129B2 (en) 2011-12-22 2017-05-09 Bl Technologies, Inc. Non-braided, textile-reinforced hollow fiber membrane
US9022229B2 (en) 2012-03-09 2015-05-05 General Electric Company Composite membrane with compatible support filaments
US8999454B2 (en) 2012-03-22 2015-04-07 General Electric Company Device and process for producing a reinforced hollow fibre membrane
CN102623733A (zh) * 2012-04-11 2012-08-01 北京化工大学 一种具有纳米微孔结构的质子交换膜的制备方法
US9227362B2 (en) 2012-08-23 2016-01-05 General Electric Company Braid welding
US10118124B2 (en) * 2016-01-25 2018-11-06 Ut-Battelle, Llc Integrated membrane-pyrolysis systems and methods
CA3034222A1 (en) * 2016-08-18 2018-02-22 Advanced Mem-Tech Ltd. Improved filtration membrane
WO2019067439A1 (en) 2017-09-26 2019-04-04 Delta Faucet Company AQUEOUS GEL CASTING PROCESS FOR CERAMIC PRODUCTS
WO2019161114A1 (en) 2018-02-16 2019-08-22 Carbon Sink, Inc. Fluidized bed extractors for capture of co2 from ambient air
US11117090B2 (en) 2018-11-26 2021-09-14 Palo Alto Research Center Incorporated Electrodialytic liquid desiccant dehumidifying system

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB816572A (en) * 1954-09-24 1959-07-15 Nat Res Dev Improvements in and relating to polyamide membranes
US2783894A (en) * 1955-03-24 1957-03-05 Millipore Filter Corp Microporous nylon film
BE656239A (de) * 1963-11-25
US3389206A (en) * 1965-06-16 1968-06-18 Celanese Corp Art of producing a polymeric film or the like
US3457339A (en) * 1965-12-08 1969-07-22 Pall Corp Process for making end capped filter elements
US3551331A (en) * 1969-09-22 1970-12-29 Du Pont Reverse osmosis separations using a treated polyamide membrane
GB1266180A (de) * 1969-12-19 1972-03-08
US3894166A (en) * 1972-08-21 1975-07-08 Eastman Kodak Co Integral reverse osmosis membrane with highly pressed woven fabric support member
US3784620A (en) * 1972-12-14 1974-01-08 Monsanto Co Process for the separation of styrene from ethylbenzene
US3876738A (en) * 1973-07-18 1975-04-08 Amf Inc Process for producing microporous films and products
US4203847A (en) * 1977-05-25 1980-05-20 Millipore Corporation Making porous membranes and the membrane products
DK170416B1 (da) * 1978-05-15 1995-08-28 Pall Corp Mikroporøs, hydrofil, hindefri, alkoholuopløselig polyamidharpiksmembran, fremgangsmåde til dens fremstilling, anvendelse af membranen i filterelementer samt harpiksstøbeopløsning til brug ved fremgangsmåden

Also Published As

Publication number Publication date
ES506336A0 (es) 1983-02-01
AU7660081A (en) 1982-04-29
PT73838B (en) 1983-01-17
IL63929A (en) 1985-07-31
JPS5799303A (en) 1982-06-21
DK162196C (da) 1992-02-17
NO813523L (no) 1982-04-21
DK162196B (da) 1991-09-30
FI68849C (fi) 1985-11-11
NO160903B (no) 1989-03-06
MX160821A (es) 1990-05-30
ES8303483A1 (es) 1983-02-01
FI68849B (fi) 1985-07-31
AU534042B2 (en) 1983-12-22
DE3173774D1 (en) 1986-03-27
CA1161215A (en) 1984-01-31
EP0050789A1 (de) 1982-05-05
ATE17926T1 (de) 1986-02-15
US4340480A (en) 1982-07-20
JPS5925603B2 (ja) 1984-06-19
FI813263L (fi) 1982-04-21
EP0050789B1 (de) 1986-02-12
PT73838A (en) 1981-11-01
DK461081A (da) 1982-04-21
NZ198693A (en) 1985-05-31
ZA817211B (en) 1982-09-29
BR8106719A (pt) 1982-07-06

Similar Documents

Publication Publication Date Title
NO160903C (no) Hudfri alkoholuopploeselig polyamidharpiksmembranfolie og fremstilling derav samt dens anvendelse i filterelementer.
ES480577A1 (es) Un procedimiento para preparar membranas de poliamida.
US5296144A (en) Composite membrane of a hydrophilic asymmetric membrane coated with an organosiloxane block copolymer
US3541005A (en) Continuous ultrafiltration of macromolecular solutions
EP2722100A2 (de) Umkehrosmosemembran mit hervorragenden salzunterdrückungs- und permeatflusseigenschaften und herstellungsverfahren dafür
US4332686A (en) Linear polyurethane ultrafilter and processes for use thereof
CA1099462A (en) Process of preparing a permselective membrane
AU655193B2 (en) Narrow pore-size distribution polytetramethylene adipamide or nylon 46 membranes and process for making them
JPS60187308A (ja) 芳香族ポリアミド系フイルタ要素の製法
US4069215A (en) Semipermeable membranes of sulphonated polybenz-1,3-oxazin-2,4-diones
Berradi et al. Optimization of the synthesis of ultrafiltration asymmetric membranes based on organic polymers
Cheng et al. Membrane formation by isothermal precipitation in polyamide‐formic acid‐water systems II. Precipitation dynamics
CA1101161A (en) Semipermeable membranes of copolyamides
ALLAOUI et al. Synthesis of a new asymmetric semi permeable membrane and based alloy of two polymers PVC and PSU. Application in the treatment of a colored solution.
US3520960A (en) Method of making microphorous cellulose nitrate films
US5264165A (en) Process of making polytetramethylene adipamide or nylon 46 membranes
US4919808A (en) Semipermeable membrane compositions
Riley et al. Transport properties of polyvinylpyrrolidone-polyisocyanate interpolymer membranes
US3956136A (en) Nitrogen linked cyclic polyether ion binding polymeric liquid purification materials
Kutowy et al. High flux cellulose acetate ultrafiltration membranes
LAWSON III VENTURI DESIGN PARAMETERS FOR AIR INJECTION INTO A FOAM FRACTIONATION SYSTEM.
Ikeda et al. Noble reverse osmosis composite membrane
Saier et al. Asymmetric membranes: preparation and applications
Bindal et al. High solute rejecting membranes for reverse osmosis: polyetheramide hydrazide
Lazarova et al. Liquid film pertraction—A liquid membrane method for recovery and preconcentration of aromatic amines from their dilute aqueous solutions