[go: up one dir, main page]

MX160821A - Procedimiento para preparar membranas de poliamida insolubles en alcohol,licuofilicas,sin costra - Google Patents

Procedimiento para preparar membranas de poliamida insolubles en alcohol,licuofilicas,sin costra

Info

Publication number
MX160821A
MX160821A MX189700A MX18970081A MX160821A MX 160821 A MX160821 A MX 160821A MX 189700 A MX189700 A MX 189700A MX 18970081 A MX18970081 A MX 18970081A MX 160821 A MX160821 A MX 160821A
Authority
MX
Mexico
Prior art keywords
casting solution
solution
polyamide resin
temperature
liquophilic
Prior art date
Application number
MX189700A
Other languages
English (en)
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 MX160821A publication Critical patent/MX160821A/es

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)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • External Artificial Organs (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
MX189700A 1980-10-20 1981-10-19 Procedimiento para preparar membranas de poliamida insolubles en alcohol,licuofilicas,sin costra MX160821A (es)

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 (1)

Publication Number Publication Date
MX160821A true MX160821A (es) 1990-05-30

Family

ID=22733932

Family Applications (1)

Application Number Title Priority Date Filing Date
MX189700A MX160821A (es) 1980-10-20 1981-10-19 Procedimiento para preparar membranas de poliamida insolubles en alcohol,licuofilicas,sin costra

Country Status (17)

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

Families Citing this family (109)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4743418A (en) * 1981-05-29 1988-05-10 Cuno Incorporated Process for charge modifying a microporous membrane
US4737291A (en) * 1981-05-29 1988-04-12 Cuno Incorporated Charge modified 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
EP0090483B2 (en) * 1982-02-05 1991-08-21 Pall Corporation Polyamide membrane and process for its production
US4450126A (en) * 1982-04-21 1984-05-22 Puropore, Inc. High strength nylon blend membranes
US4477598A (en) * 1982-04-21 1984-10-16 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
JPS60500406A (ja) * 1983-02-02 1985-03-28 メムテツク　リミテツド 架橋した多孔質膜
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
GB2205644B (en) * 1987-06-12 1991-01-02 Pall Corp Diagnostic test device
US4837054A (en) * 1987-10-14 1989-06-06 Exxon Research And Engineering Company Thin film composite membrane prepared by deposition from a solution
US4921611A (en) * 1987-10-14 1990-05-01 Schucker Robert C 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
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
WO1990006806A1 (en) * 1988-12-16 1990-06-28 Micron Separations, Inc. Heat resistant microporous material production and products
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
AT401888B (de) * 1991-12-24 1996-12-27 Pall Corp Dynamisches filtersystem
US5679249A (en) * 1991-12-24 1997-10-21 Pall Corporation Dynamic filter system
EP0631520B1 (en) * 1992-03-20 1997-01-15 Micron Seperations, Inc. Alcohol-insoluble nylon microporous membranes
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
AU7637596A (en) * 1995-11-14 1997-06-05 Osmotek, Inc. Direct osmotic concentration contaminated water
US6413070B1 (en) 1997-04-11 2002-07-02 Cuno Incorporated System for manufacturing 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
US6264044B1 (en) 1997-04-11 2001-07-24 Cuno, Inc. Reinforced, three zone microporous membrane
US6090441A (en) * 1998-03-18 2000-07-18 Cuno, Inc. Process of making 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
US6723422B1 (en) 1997-07-02 2004-04-20 Nitto Denko Corporation Composite reverse osmosis membrane and process for preparing the same
EP1911488A3 (en) 1997-12-11 2008-12-03 Alza Corporation Device for enhancing transdermal agent flux
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
US6537614B1 (en) 1998-12-18 2003-03-25 Kimberly-Clark Worldwide, Inc. Cationically charged coating on hydrophobic polymer fibers with poly (vinyl alcohol) assist
US6274041B1 (en) 1998-12-18 2001-08-14 Kimberly-Clark Worldwide, Inc. Integrated filter combining physical adsorption and electrokinetic adsorption
US6245234B1 (en) 1999-06-03 2001-06-12 Saehan Industries Incorporation Composite polyamide reverse osmosis membrane and method of producing the same
WO2001007090A1 (en) 1999-07-21 2001-02-01 The Procter & Gamble Company Microorganism filter and method for removing microorganism from water
WO2001041863A1 (en) 1999-12-10 2001-06-14 Alza Corporation Device and method for enhancing microprotrusion skin piercing
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
KR100802348B1 (ko) 2000-06-03 2008-02-13 멤브라나 게엠베하 가수분해 안정성이 향상된 폴리아미드 막 및 이의 제조방법
US20020179521A1 (en) * 2000-06-05 2002-12-05 Paul C. Thomas Expansion resistant filter cartridge
BR0113256A (pt) * 2000-08-07 2003-07-01 Cuno Inc Processo para formar uma membrana microporosa e membrana microporosa com múltiplas zonas e sem suporte
US6994789B2 (en) * 2000-08-07 2006-02-07 Cuno Incorporated Pre-metered, unsupported multilayer microporous membrane
US6736971B2 (en) * 2000-08-07 2004-05-18 Cuno Incorporated Pre-metered, unsupported multilayer microporous membrane
DE60211140T2 (de) * 2001-02-06 2007-02-01 Pall Corp. Filtrationsgerät
US7244485B2 (en) * 2001-04-11 2007-07-17 Xerox Corporation Imageable seamed belts having polyamide adhesive between interlocking seaming members
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
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
US7615152B2 (en) 2001-08-23 2009-11-10 Pur Water Purification Products, Inc. Water filter device
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
KR100777951B1 (ko) 2001-08-23 2007-11-28 더 프록터 앤드 갬블 캄파니 정수 필터 재료, 대응하는 정수 필터 및 그의 사용 방법
US20040063169A1 (en) * 2002-02-05 2004-04-01 Jeffrey Kane Filtration assembly
US20060289003A1 (en) * 2004-08-20 2006-12-28 Lackner Klaus S 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 (sr) * 2005-01-07 2011-02-28 Pfizer Products Inc. Heteroaromatična jedinjenja hinolina i njihova upotreba kao pde10 inhibitora
CA2595916A1 (en) * 2005-02-02 2006-08-10 Global Research Technologies, Llc Removal of carbon dioxide from air
WO2006096466A1 (en) * 2005-03-04 2006-09-14 Pall Corporation Corrugated fluid treatment packs and methods of making them
ES2638792T3 (es) * 2005-07-28 2017-10-24 Carbon Sink Inc. Eliminación de dióxido de carbono del aire
US9266051B2 (en) 2005-07-28 2016-02-23 Carbon Sink, Inc. Removal of carbon dioxide from air
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
ES2784490T3 (es) * 2006-10-02 2020-09-28 Carbon Sink Inc Método para extraer dióxido de carbono del aire
KR20090129511A (ko) 2007-04-17 2009-12-16 글로벌 리서치 테크놀로지스, 엘엘씨 공기로부터 이산화탄소(ｃｏ２)의 포집 방법
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
CN101848754A (zh) * 2007-11-05 2010-09-29 环球研究技术有限公司 从空气中除去二氧化碳
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
MX339437B (es) * 2008-02-19 2016-05-26 Global Res Technologies Llc Extraccion y formacion de complejos del dioxido de carbono.
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
US9132390B2 (en) 2009-03-26 2015-09-15 Bl Technologies Inc. Non-braided reinforced holow fibre membrane
ES2521440T3 (es) 2009-06-26 2014-11-12 Bl Technologies, Inc. Membrana de fibra hueca no trenzada reforzada con textiles
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
BR112013004171A2 (pt) 2010-09-15 2016-05-10 Bl Technologies Inc processo para a fabricação de um membrana de fibra oca reforçada e conjunto precursor
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
US20190209974A1 (en) * 2016-08-18 2019-07-11 Advanced Mem-Tech Ltd. Improved filtration membrane
MX2020003278A (es) 2017-09-26 2020-10-05 Delta Faucet Co Metodo de fundicion en gel acuosa para productos ceramicos.
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
US12085293B2 (en) 2021-03-17 2024-09-10 Mojave Energy Systems, Inc. Staged regenerated liquid desiccant dehumidification systems
JP2025539498A (ja) 2022-12-12 2025-12-05 モハベ エネルギー システムズ，インコーポレイテッド 液体乾燥剤空調システム及び制御方法
KR20250170617A (ko) 2023-04-07 2025-12-05 모하비 에너지 시스템즈, 인코포레이티드 초저유량 건조제 공조 시스템 장치 및 방법

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 (es) * 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 (es) * 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
NZ190436A (en) * 1978-05-15 1981-12-15 Pall Corp Preparation of skinless hydrophilic alcohol insoluble polyamide membranes membranes casting resin solutions

Also Published As

Publication number Publication date
ZA817211B (en) 1982-09-29
AU534042B2 (en) 1983-12-22
DE3173774D1 (en) 1986-03-27
NO160903B (no) 1989-03-06
ES506336A0 (es) 1983-02-01
BR8106719A (pt) 1982-07-06
AU7660081A (en) 1982-04-29
US4340480A (en) 1982-07-20
FI813263L (fi) 1982-04-21
JPS5925603B2 (ja) 1984-06-19
DK162196B (da) 1991-09-30
NO813523L (no) 1982-04-21
PT73838A (en) 1981-11-01
NZ198693A (en) 1985-05-31
ES8303483A1 (es) 1983-02-01
NO160903C (no) 1989-06-14
JPS5799303A (en) 1982-06-21
CA1161215A (en) 1984-01-31
EP0050789A1 (en) 1982-05-05
DK162196C (da) 1992-02-17
ATE17926T1 (de) 1986-02-15
FI68849C (fi) 1985-11-11
PT73838B (en) 1983-01-17
EP0050789B1 (en) 1986-02-12
FI68849B (fi) 1985-07-31
IL63929A (en) 1985-07-31
DK461081A (da) 1982-04-21

Similar Documents

Publication Publication Date Title
MX160821A (es) Procedimiento para preparar membranas de poliamida insolubles en alcohol,licuofilicas,sin costra
ES480577A1 (es) Un procedimiento para preparar membranas de poliamida.
US5296144A (en) Composite membrane of a hydrophilic asymmetric membrane coated with an organosiloxane block copolymer
US2783894A (en) Microporous nylon film
EP2722100A2 (en) Reverse osmosis membrane having superior salt rejection and permeate flow, and method for manufacturing same
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
US4069215A (en) Semipermeable membranes of sulphonated polybenz-1,3-oxazin-2,4-diones
FI67716C (fi) Foerfarande foer kontinuerlig framstaellning av polykarbonat-polyeter-sampolymerer
Atra et al. Isopropanol dehydration by pervaporation
GB1268830A (en) Semi-permeable membranes
Cheng et al. Membrane formation by isothermal precipitation in polyamide‐formic acid‐water systems II. Precipitation dynamics
KR890006715A (ko) 용액 침착에 의해 제조된 얇은 필름 복합 막
KR890011914A (ko) 거대다공성, 비대칭, 친수성 폴리아라미드 막
US3520960A (en) Method of making microphorous cellulose nitrate films
Kajiyama et al. Aggregation State-Permeation Characteristic Relationships of Self-Supported Liquid Crystalline Membranes
Kutowy et al. High flux cellulose acetate ultrafiltration membranes
Gabrielli et al. Lipid—polypeptide interaction in monolayers and in black lipid membranes
Wydeven et al. Performance of cellulose acetate butyrate membranes in hyperfiltration of sodium chloride and urea feed solution
US4464266A (en) Removal of caprolactam and its oligomers from cooling water containing these compounds
US3956136A (en) Nitrogen linked cyclic polyether ion binding polymeric liquid purification materials
Velikova et al. Comparative evaluation of industrial membranes: correlation between transport and operational parameters
Bindal et al. High solute rejecting membranes for reverse osmosis: polyetheramide hydrazide
SU1279654A1 (ru) Способ изготовлени водоотталкивающей перегородки дл фильтров-сепараторов
Varadaraj et al. Synthesis and fundamental interfacial properties of two isomeric alkyl xylene sulfonate surfactants