IL59581A0 - Methods for preparing anisotropic membranes and membranes prepared therefrom - Google Patents

Methods for preparing anisotropic membranes and membranes prepared therefrom

Info

Publication number
IL59581A0
IL59581A0 IL59581A IL5958180A IL59581A0 IL 59581 A0 IL59581 A0 IL 59581A0 IL 59581 A IL59581 A IL 59581A IL 5958180 A IL5958180 A IL 5958180A IL 59581 A0 IL59581 A0 IL 59581A0
Authority
IL
Israel
Prior art keywords
membranes
methods
prepared therefrom
preparing anisotropic
preparing
Prior art date
Application number
IL59581A
Original Assignee
Monsanto Co
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 Monsanto Co filed Critical Monsanto Co
Publication of IL59581A0 publication Critical patent/IL59581A0/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081After-treatment of organic or inorganic membranes
    • B01D67/0088Physical treatment with compounds, e.g. swelling, coating or impregnation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002Organic membrane manufacture
    • B01D67/0009Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/0011Casting solutions therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002Organic membrane manufacture
    • B01D67/0009Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/0016Coagulation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002Organic membrane manufacture
    • B01D67/0009Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/0016Coagulation
    • B01D67/00165Composition of the coagulation baths
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/02Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/08Hollow fibre membranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/66Polymers having sulfur in the main chain, with or without nitrogen, oxygen or carbon only
    • B01D71/68Polysulfones; Polyethersulfones
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/02Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
    • C08J3/09Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids
    • C08J3/091Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids characterised by the chemical constitution of the organic liquid
    • C08J3/096Nitrogen containing compounds
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/24Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2323/00Details relating to membrane preparation
    • B01D2323/30Cross-linking
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/34Molecular weight or degree of polymerisation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2381/00Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen, or carbon only; Polysulfones; Derivatives of such polymers
    • C08J2381/06Polysulfones; Polyethersulfones
IL59581A 1979-03-28 1980-03-11 Methods for preparing anisotropic membranes and membranes prepared therefrom IL59581A0 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US2475479A 1979-03-28 1979-03-28
US11785180A 1980-02-20 1980-02-20

Publications (1)

Publication Number Publication Date
IL59581A0 true IL59581A0 (en) 1980-06-30

Family

ID=26698833

Family Applications (1)

Application Number Title Priority Date Filing Date
IL59581A IL59581A0 (en) 1979-03-28 1980-03-11 Methods for preparing anisotropic membranes and membranes prepared therefrom

Country Status (20)

Country Link
AR (1) AR220972A1 (en)
AU (1) AU532082B2 (en)
BR (1) BR8001873A (en)
CA (1) CA1141510A (en)
DD (1) DD150066A5 (en)
DE (1) DE3011917A1 (en)
DK (1) DK131780A (en)
ES (1) ES489884A0 (en)
FI (1) FI800977A (en)
FR (1) FR2452507A1 (en)
GB (2) GB2100181B (en)
GR (1) GR67255B (en)
IL (1) IL59581A0 (en)
IT (1) IT1131098B (en)
NL (1) NL8001845A (en)
NO (1) NO800893L (en)
PT (1) PT71024A (en)
RO (1) RO79464A (en)
SE (1) SE8002388L (en)
YU (1) YU86080A (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5831204B2 (en) * 1980-03-10 1983-07-05 日東電工株式会社 polysulfone semipermeable membrane
CA1255860A (en) * 1982-12-10 1989-06-20 Katsuya Yamada Selectively permeable asymetric membrane of aromatic polyester
JPS59189903A (en) * 1983-04-09 1984-10-27 Kanegafuchi Chem Ind Co Ltd Hollow yarn like filter and preparation thereof
FR2593721B1 (en) * 1986-02-05 1988-05-20 Rhone Poulenc Rech COMPOSITE HOLLOW FIBER FOR REMOVING WATER VAPOR FROM AIR OR CARBON GAS
US4871494A (en) * 1986-08-15 1989-10-03 Permea, Inc. Process for forming asymmetric gas separation membranes having graded density skins
ES2052605T3 (en) * 1986-08-15 1994-07-16 Permea Inc ASYMMETRIC GAS SEPARATION MEMBRANES THAT HAVE FILMS OF GRADUATED DENSITY.
US4728346A (en) * 1986-08-15 1988-03-01 Permea Inc. Permeation modified asymmetric gas separation membranes having graded density skins
US4900626A (en) * 1987-07-28 1990-02-13 Rhone-Poulenc Recherches Hollow composite fibers selectively permeable to water vapor
US4843733A (en) * 1988-05-10 1989-07-04 The Dow Chemical Company Process for drying water-wet polycarbonate membranes
DE3829752A1 (en) * 1988-09-01 1990-03-22 Akzo Gmbh INTEGRAL ASYMMETRICAL POLYAETHERSULPHONE MEMBRANE, METHOD FOR THE PRODUCTION AND USE FOR ULTRAFILTRATION AND MICROFILTRATION
US4900334A (en) * 1988-11-09 1990-02-13 The Dow Chemical Company Process for treating a liquid-wet polycarbonate membrane to improve its gas separation properties
GB8916441D0 (en) * 1989-07-19 1989-09-06 Ici Plc Membranes
US4959082A (en) * 1989-07-20 1990-09-25 The Dow Chemical Company Polycarbonate gas separation membranes containing substituted benzenes and processes for making and using the same
CA2020511A1 (en) * 1989-09-05 1991-03-06 Francis X. Mueller, Jr. Gas separation membrane and process
US5009678A (en) * 1989-10-31 1991-04-23 Union Carbide Industrial Gases Technology Corporation Process for recovery of ammonia from an ammonia-containing gas mixture
JP3232117B2 (en) * 1991-11-19 2001-11-26 鐘淵化学工業株式会社 Polysulfone porous hollow fiber
US5480554A (en) * 1992-05-13 1996-01-02 Pall Corporation Integrity-testable wet-dry-reversible ultrafiltration membranes and method for testing same
US5788862A (en) * 1992-05-13 1998-08-04 Pall Corporation Filtration medium
HUE059758T2 (en) 2016-06-23 2023-01-28 Dupont Safety & Construction Inc Use of a solution of polysulfone in n-acyl-morpholine for the fabrication of uf membranes
CN110342910B (en) * 2019-08-21 2021-08-31 中国石油化工股份有限公司 Method for preparing ceramic hollow fiber membrane from FCC (fluid catalytic cracking) waste catalyst and ceramic hollow fiber membrane

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2404719A (en) * 1942-06-17 1946-07-23 Du Pont Acrylonitrile polymer solutions
FR1586563A (en) * 1968-10-29 1970-02-20
US3775361A (en) * 1971-10-21 1973-11-27 Du Pont Preparation of stable concentrated solutions of aromatic nitrogen-linked condensation polymers
US4127625A (en) * 1975-03-27 1978-11-28 Daicel Ltd. Process for preparing hollow fiber having selective gas permeability
ZA762209B (en) * 1975-04-23 1977-04-27 Envirogenics Syst Gas separation membrane
FR2410501A1 (en) * 1976-11-15 1979-06-29 Monsanto Co MULTI-COMPONENT MEMBRANES FOR GAS SEPARATIONS

Also Published As

Publication number Publication date
DK131780A (en) 1980-09-29
DE3011917A1 (en) 1980-10-02
RO79464A (en) 1982-07-06
GR67255B (en) 1981-06-26
GB2047162A (en) 1980-11-26
AU5689180A (en) 1980-10-02
CA1141510A (en) 1983-02-22
IT8020971A0 (en) 1980-03-27
DD150066A5 (en) 1981-08-12
NL8001845A (en) 1980-09-30
YU86080A (en) 1983-02-28
SE8002388L (en) 1980-09-29
FI800977A (en) 1980-09-29
NO800893L (en) 1980-09-29
GB2047162B (en) 1983-02-02
BR8001873A (en) 1980-11-25
ES8107038A1 (en) 1981-10-01
AU532082B2 (en) 1983-09-15
ES489884A0 (en) 1981-10-01
FR2452507A1 (en) 1980-10-24
PT71024A (en) 1980-04-01
GB2100181B (en) 1983-11-02
GB2100181A (en) 1982-12-22
AR220972A1 (en) 1980-12-15
IT1131098B (en) 1986-06-18

Similar Documents

Publication Publication Date Title
IL59581A0 (en) Methods for preparing anisotropic membranes and membranes prepared therefrom
EG12437A (en) Semipermeable membranes and the method for the preparation thereof
GB2048718B (en) Composite semipermeable membrane and process for its preparation
GB2044785B (en) Preparing polyetherpolyamides
ZA805474B (en) Process for preparing 10-deazaminopterin and 10-alkyl derivatives thereof
JPS5346930A (en) Phenoxyyaminoopropanols and process for preparation thereof
JPS5675122A (en) Preparing apparatus
EP0036315A3 (en) Anisotropic membranes and production thereof
ZA771812B (en) Ocular membrane and method for preparation thereof
GR63609B (en) Method for dimethyloether preparation and catalyte therein
GB2058857B (en) Method and device for attaching connecting pieces
AU538518B2 (en) Ultrafiltration membranes and the preparation thereof
GB2054625B (en) Pulluln derivative and method for the preparation thereof
GB2020299B (en) Ultrafiltration membranes and the process for ultrafiltration membranes and the process for their preparation
GB2064527B (en) Moranoline derivatives and process for preparation thereof
ZA801826B (en) Methods for preparing anisotropic membranes and membranes prepared therefrom
GB2049711B (en) Method of preparing acidic copolymer
GB2052303B (en) Dialysis apparatus
GB2063706B (en) Dialysis apparatus
ZA804095B (en) Pyrazoloindazole derivatives and process for preparing the same
DE3063101D1 (en) Polyalkylhydroxychromene and process for preparing the same
BG40485A3 (en) Method for preparing microporous materials
IL59882A0 (en) Alkoxyalkylidenehydrazino-pyridazines and process for their preparation
DE3060885D1 (en) A polyphosphazene copolymer and a method for its preparation
AU514888B2 (en) Mono-insulin and method for preparation thereof