GB2047162B - Anisotropic membranes - Google Patents

Anisotropic membranes

Info

Publication number
GB2047162B
GB2047162B GB8010315A GB8010315A GB2047162B GB 2047162 B GB2047162 B GB 2047162B GB 8010315 A GB8010315 A GB 8010315A GB 8010315 A GB8010315 A GB 8010315A GB 2047162 B GB2047162 B GB 2047162B
Authority
GB
United Kingdom
Prior art keywords
anisotropic membranes
anisotropic
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
Application number
GB8010315A
Other versions
GB2047162A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Monsanto Co
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 GB2047162A publication Critical patent/GB2047162A/en
Application granted granted Critical
Publication of GB2047162B publication Critical patent/GB2047162B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
    • 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
    • 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
    • B01D69/08—Hollow fibre membranes
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
    • C08J3/09—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids
    • C08J3/091—Making 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
    • C08J3/096—Nitrogen containing compounds
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/30—Cross-linking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/34—Molecular weight or degree of polymerisation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2381/00—Characterised 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
    • C08J2381/06—Polysulfones; Polyethersulfones
GB8010315A 1979-03-28 1980-03-27 Anisotropic membranes Expired GB2047162B (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 (2)

Publication Number Publication Date
GB2047162A GB2047162A (en) 1980-11-26
GB2047162B true GB2047162B (en) 1983-02-02

Family

ID=26698833

Family Applications (2)

Application Number Title Priority Date Filing Date
GB8218393A Expired GB2100181B (en) 1979-03-28 1980-03-27 Anisotropic hollow fiber membranes
GB8010315A Expired GB2047162B (en) 1979-03-28 1980-03-27 Anisotropic membranes

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB8218393A Expired GB2100181B (en) 1979-03-28 1980-03-27 Anisotropic hollow fiber membranes

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110342910A (en) * 2019-08-21 2019-10-18 中国石油化工股份有限公司 By the method and ceramic hollow fibrous membrane of FCC dead catalyst preparation ceramic hollow fibrous membrane

Families Citing this family (19)

* 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

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110342910A (en) * 2019-08-21 2019-10-18 中国石油化工股份有限公司 By the method and ceramic hollow fibrous membrane of FCC dead catalyst preparation ceramic hollow fibrous membrane
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

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
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
IL59581A0 (en) 1980-06-30
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

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee