ZA723475B - Preparation of anisotropic semi-permeable membranes of polyaryl ether/sulphones - Google Patents

Preparation of anisotropic semi-permeable membranes of polyaryl ether/sulphones

Info

Publication number
ZA723475B
ZA723475B ZA723475A ZA723475A ZA723475B ZA 723475 B ZA723475 B ZA 723475B ZA 723475 A ZA723475 A ZA 723475A ZA 723475 A ZA723475 A ZA 723475A ZA 723475 B ZA723475 B ZA 723475B
Authority
ZA
South Africa
Prior art keywords
sulphones
preparation
permeable membranes
polyaryl ether
anisotropic
Prior art date
Application number
ZA723475A
Other languages
English (en)
Inventor
J Bourganel
Original Assignee
Rhone Poulenc Sa
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 Rhone Poulenc Sa filed Critical Rhone Poulenc Sa
Publication of ZA723475B publication Critical patent/ZA723475B/xx

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
    • B01D71/66—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
    • 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
    • B01D67/0016—Coagulation
    • 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
    • B01D67/00165—Composition of the coagulation baths
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L81/00—Compositions 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; Compositions of polysulfones; Compositions of derivatives of such polymers
    • C08L81/06—Polysulfones; Polyethersulfones
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/15—Use of additives
    • B01D2323/16—Swelling agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/219—Specific solvent system
    • B01D2323/22—Specific non-solvents or non-solvent system

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
ZA723475A 1971-05-24 1972-05-22 Preparation of anisotropic semi-permeable membranes of polyaryl ether/sulphones ZA723475B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7118635A FR2138334B1 (es) 1971-05-24 1971-05-24

Publications (1)

Publication Number Publication Date
ZA723475B true ZA723475B (en) 1973-02-28

Family

ID=9077489

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA723475A ZA723475B (en) 1971-05-24 1972-05-22 Preparation of anisotropic semi-permeable membranes of polyaryl ether/sulphones

Country Status (16)

Country Link
US (1) US4026977A (es)
BE (1) BE783836A (es)
BR (1) BR7203235D0 (es)
CA (1) CA1009420A (es)
CH (1) CH535275A (es)
DD (1) DD96963A5 (es)
DE (1) DE2225284C3 (es)
DK (1) DK157604B (es)
ES (1) ES403122A1 (es)
FR (1) FR2138334B1 (es)
GB (1) GB1350343A (es)
IL (1) IL39513A (es)
IT (1) IT955813B (es)
LU (1) LU65400A1 (es)
NL (1) NL148504B (es)
ZA (1) ZA723475B (es)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2331602A1 (fr) * 1975-11-14 1977-06-10 Rhone Poulenc Ind Compositions a base de polymeres du type polysulfone pour membranes d'osmose inverse
US4272467A (en) * 1975-12-22 1981-06-09 Exxon Research & Engineering Co. Method for producing an essentially gas and liquid impermeable low density, closed-cell, microcellular polyparabanic acid article
JPS5416378A (en) * 1977-07-08 1979-02-06 Asahi Chem Ind Co Ltd Polysulfone semipermeable membrane
US4280909A (en) * 1978-05-30 1981-07-28 Deutsch Daniel Harold Microporous member with interconnected, oriented tapered voids
DE3161345D1 (en) * 1980-03-28 1983-12-15 Pennwalt Corp Method for preparing a membrane of a film-forming non-sulfonated sulfone polymer
DE3149976A1 (de) * 1981-12-17 1983-06-30 Hoechst Ag, 6230 Frankfurt Makroporoese asymmetrische hydrophile membran aus synthetischem polymerisat
US4645602A (en) * 1981-12-18 1987-02-24 Barnes Jr Robert G Process for producing reinforced microporous membrane
CA1168007A (en) * 1982-02-10 1984-05-29 Thomas A. Tweddle Method of gelling cast, polysulfone membranes
GB2117267B (en) * 1982-02-24 1985-09-25 John Gilmour Manuel Ultrafiltration of fermentation effluent
US4533369A (en) * 1982-05-28 1985-08-06 Sumitomo Electric Industries, Ltd. Gas-permselective composite membranes and process for the production thereof
US4666644A (en) * 1983-11-03 1987-05-19 Owens-Illinois, Inc. Method of making asymmetrical layered structures from polyalkylene sulfone resins
DE3342824A1 (de) * 1983-11-26 1985-06-05 Seitz-Filter-Werke Theo & Geo Seitz GmbH und Co, 6550 Bad Kreuznach Verfahren zum herstellen von filterelementen auf polysulfon-basis
GB8513114D0 (en) * 1985-05-23 1985-06-26 Ici Plc Membranes
US4868222A (en) * 1985-06-10 1989-09-19 The Dow Chemical Company Preparation of asymmetric membranes by the solvent extraction of polymer components from polymer blends
NL8501838A (nl) * 1985-06-26 1987-01-16 Stork Friesland Bv Semi-permeabele membranen op basis van sulfonaat-groepen bevattende polymeren.
DE3525235C1 (de) * 1985-07-15 1986-11-27 Gkss - Forschungszentrum Geesthacht Gmbh, 2054 Geesthacht Verfahren zur Herstellung und Erhoehung der Selektivitaet einer integralasymmetrischen Membran
GB8529300D0 (en) * 1985-11-28 1986-01-02 Ici Plc Membrane
GB8605817D0 (en) * 1986-03-10 1986-04-16 Ici Plc Membrane
US4717395A (en) * 1986-08-07 1988-01-05 The Dow Chemical Company Gas separations using membranes comprising sulphonated polyether sulphone
US5411805A (en) * 1986-10-22 1995-05-02 University Of Pittsburgh Of The Commonwealth System Of Higher Education Triaxially oriented polymer membrane
US4971695A (en) * 1989-10-31 1990-11-20 Union Carbide Industrial Gases Technology Corporation Sulfonated hexafluoro bis-a polysulfone membranes and process for fluid separations
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
US5096586A (en) * 1990-08-28 1992-03-17 Regents Of The University Of California Membranes having selective permeability
US5071448A (en) * 1990-12-05 1991-12-10 Union Carbide Industrial Gases Technology Corporation Semipermeable membranes based on certain sulfonated substituted polysulfone polymers
US5762798A (en) * 1991-04-12 1998-06-09 Minntech Corporation Hollow fiber membranes and method of manufacture
US5209848A (en) * 1991-08-22 1993-05-11 The Dow Chemical Company Xylylene based polyether membranes for gas separation
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
USRE36914E (en) * 1992-10-07 2000-10-17 Minntech Corp Dialysate filter including an asymmetric microporous, hollow fiber membrane incorporating a polyimide
US6045899A (en) * 1996-12-12 2000-04-04 Usf Filtration & Separations Group, Inc. Highly assymetric, hydrophilic, microfiltration membranes having large pore diameters
JP2004500971A (ja) * 2000-05-02 2004-01-15 ベルント・シンドラー スルホン化アリールスルホネートマトリックスおよびその製造方法
MX2012002393A (es) 2009-08-24 2012-04-11 Oasys Water Inc Membranas de osmosis directa.
US9156006B2 (en) * 2009-12-03 2015-10-13 Yale University High flux thin-film composite forward osmosis and pressure-retarded osmosis membranes
SG189224A1 (en) 2010-10-04 2013-05-31 Oasys Water Inc Thin film composite heat exchangers
JP6987516B2 (ja) * 2017-03-30 2022-01-05 住友化学株式会社 芳香族ポリスルホン、芳香族ポリスルホン組成物、及び芳香族ポリスルホンの製造方法
WO2019055704A1 (en) * 2017-09-13 2019-03-21 Thermolife International, Llc ENRICHED ROOT POWDER PRODUCTS AND METHODS OF MAKING SAME

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3567810A (en) * 1968-04-01 1971-03-02 Amicon Corp Process for making high-flow anisotropic membranes
US3615024A (en) * 1968-08-26 1971-10-26 Amicon Corp High flow membrane
FR2040950A5 (es) * 1969-04-30 1971-01-22 Rhone Poulenc Sa
US3551331A (en) * 1969-09-22 1970-12-29 Du Pont Reverse osmosis separations using a treated polyamide membrane
US3592672A (en) * 1969-12-22 1971-07-13 Eastman Kodak Co Dry stabilized,rewettable semipermeable cellulose ester and ether membranes and their preparation
US3691068A (en) * 1971-01-08 1972-09-12 Amicon Corp Dialysis membrane and its use

Also Published As

Publication number Publication date
CH535275A (fr) 1973-03-31
IT955813B (it) 1973-09-29
IL39513A (en) 1975-08-31
BE783836A (fr) 1972-11-23
DD96963A5 (es) 1973-04-12
CA1009420A (fr) 1977-05-03
FR2138334B1 (es) 1974-03-08
BR7203235D0 (pt) 1973-08-23
DE2225284C3 (de) 1982-05-06
DE2225284A1 (de) 1972-12-14
IL39513A0 (en) 1972-07-26
US4026977A (en) 1977-05-31
LU65400A1 (es) 1973-01-22
DK157604B (da) 1990-01-29
FR2138334A1 (es) 1973-01-05
NL148504B (nl) 1976-02-16
GB1350343A (en) 1974-04-18
NL7206594A (es) 1972-11-28
DE2225284B2 (de) 1981-07-23
ES403122A1 (es) 1975-04-16

Similar Documents

Publication Publication Date Title
IL39513A0 (en) Preparation of anisotropic semi-permeable membranes of polyaryl ether/sulphones
IL39512A0 (en) Process for the preparation of anisotropic semi-permeable membranes of polyaryl ether/sulphones
ZA747972B (en) Cation exchange membranes of improved permselectivity
AU466291B2 (en) Process forthe preparation of polyphenylene ethers with activated copper-amine catalysts
IL31714A0 (en) Preparation of semi-permeable membranes
ZA723763B (en) Methods of making microporous polymer materials
CA955878A (en) Semipermeable membrane of enhanced properties
IL38985A0 (en) Preparation of 2-haloethylphosphonic acid
ZA747709B (en) The preparation of carbodiimide-isocyanurate foams
IL38995A0 (en) Semi-permeable membrane apparatus
CA987434A (en) Preparation of alkoxylated resins
GB1396197A (en) Process for preparing semipermeable membranes
IL31713A0 (en) Preparation of semi-permeable membranes
ZA746398B (en) Preparation of vaccines
AU453371B2 (en) Preparation of rigid cellular foam
IL39408A0 (en) Membranes permoselective to anions and process for their preparation
AU4432372A (en) Preparation of 17-%2-haloethylidene<-steroids
IT963257B (it) Membrane microporose di polieteri fenolici
IL46176A0 (en) Semi-permeable composite membranes and processes for the preparation thereof
IL36937A (en) Preparation of asymmetric polymer membranes
JPS51125033A (en) Preparation of ether compound
IL38753A0 (en) Process for the preparation of screen-reinforced heterogeneous ionic membranes
IL44156A0 (en) Reverse osmosis anisotropic membranes and their preparation
AU3758172A (en) Preparation of o-chlorophenols
CA885490A (en) Preparation of foams