GB1503270A - Separation membranes - Google Patents

Separation membranes

Info

Publication number
GB1503270A
GB1503270A GB23944/76A GB2394476A GB1503270A GB 1503270 A GB1503270 A GB 1503270A GB 23944/76 A GB23944/76 A GB 23944/76A GB 2394476 A GB2394476 A GB 2394476A GB 1503270 A GB1503270 A GB 1503270A
Authority
GB
United Kingdom
Prior art keywords
membrane
copolymer
june
alcohol
polyhydric alcohol
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
GB23944/76A
Other languages
English (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.)
Kuraray Co Ltd
Original Assignee
Kuraray Co Ltd
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
Priority claimed from JP50069873A external-priority patent/JPS51145474A/ja
Priority claimed from JP1097376A external-priority patent/JPS5856379B2/ja
Application filed by Kuraray Co Ltd filed Critical Kuraray Co Ltd
Publication of GB1503270A publication Critical patent/GB1503270A/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
    • B01D67/0095—Drying
    • 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
    • B01D67/00091—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching by evaporation
    • 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
    • B01D67/0013—Casting processes
    • 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
    • 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
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/38—Polyalkenylalcohols; Polyalkenylesters; Polyalkenylethers; Polyalkenylaldehydes; Polyalkenylketones; Polyalkenylacetals; Polyalkenylketals
    • 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
    • B01D2325/20—Specific permeability or cut-off range

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
GB23944/76A 1975-06-10 1976-06-09 Separation membranes Expired GB1503270A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP50069873A JPS51145474A (en) 1975-06-10 1975-06-10 A blood dialysis membrane with outstanding dialysis performance and a process for producing it
JP1097376A JPS5856379B2 (ja) 1976-02-03 1976-02-03 エチレン−ビニルアルコ−ル系共重合体膜の製造方法

Publications (1)

Publication Number Publication Date
GB1503270A true GB1503270A (en) 1978-03-08

Family

ID=26346336

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23944/76A Expired GB1503270A (en) 1975-06-10 1976-06-09 Separation membranes

Country Status (4)

Country Link
CA (1) CA1073822A (enrdf_load_stackoverflow)
DE (1) DE2625681C3 (enrdf_load_stackoverflow)
FR (1) FR2314215A1 (enrdf_load_stackoverflow)
GB (1) GB1503270A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4385094A (en) 1979-04-30 1983-05-24 Kuraray Co., Ltd. Ethylene-vinyl alcohol hollow fiber membrane and method for the production thereof
US4830796A (en) * 1986-06-20 1989-05-16 Eniricerche S.P.A. Process for preparing a polyester-amide hollow fiber membrane
US4879036A (en) * 1986-06-20 1989-11-07 Eniricerche, S.P.A. Asymmetrical membrane of polyester-amide and process for preparing it

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5753564Y2 (enrdf_load_stackoverflow) * 1977-06-01 1982-11-19
JPS5440287A (en) * 1977-09-06 1979-03-29 Kuraray Co Ltd Ethylene-vinyl alcohol copolymer membrane of improved performance and preparation thereof
DE2935097A1 (de) * 1978-09-07 1980-03-20 Kuraray Co Aethylen/vinylalkohol-copolymermembran
FR2441641A2 (fr) * 1978-11-15 1980-06-13 Kuraray Co Membranes en copolymere d'ethylene et d'alcool vinylique ayant des proprietes ameliorees et procede pour les preparer
JPS55148209A (en) 1979-04-27 1980-11-18 Kuraray Co Ltd Hollow ethylene-vinyl alcohol membrane and its production
JPS61114701A (ja) * 1984-11-09 1986-06-02 Terumo Corp 平膜型透過性膜およびその製造方法
DE3564078D1 (en) * 1984-11-09 1988-09-08 Terumo Corp Flat permeable membrane and method for manufacture thereof
DE3801528C2 (de) * 1988-01-20 1996-03-21 Zweckverband Sondermuellplaetz Membran, Verfahren zu ihrer Herstellung und Verwendung der Membran
US5788862A (en) * 1992-05-13 1998-08-04 Pall Corporation Filtration medium
US5480554A (en) * 1992-05-13 1996-01-02 Pall Corporation Integrity-testable wet-dry-reversible ultrafiltration membranes and method for testing same
WO2000043115A1 (en) * 1999-01-21 2000-07-27 Ebara Corporation Ethylene-vinyl alcohol hollow fiber membranes
CN114699918B (zh) * 2022-03-22 2023-06-02 广东奥斯博膜材料技术有限公司 一种反渗透膜及其制备方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1667357A1 (de) * 1967-08-18 1971-08-12 Siemens Ag Verfahren zur Herstellung poroeser und hydrophiler Diaphragmen fuer elektrochemische Zellen,insbesondere Diaphragmen fuer Brennstoffelemente
DE1667358A1 (de) * 1968-02-08 1971-08-12 Siemens Ag Verfahren zur Herstellung von homogenen Ionenaustauschermembranen
JPS565255B2 (enrdf_load_stackoverflow) * 1973-03-02 1981-02-04

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4385094A (en) 1979-04-30 1983-05-24 Kuraray Co., Ltd. Ethylene-vinyl alcohol hollow fiber membrane and method for the production thereof
US4830796A (en) * 1986-06-20 1989-05-16 Eniricerche S.P.A. Process for preparing a polyester-amide hollow fiber membrane
US4879036A (en) * 1986-06-20 1989-11-07 Eniricerche, S.P.A. Asymmetrical membrane of polyester-amide and process for preparing it

Also Published As

Publication number Publication date
DE2625681C3 (de) 1986-05-28
CA1073822A (en) 1980-03-18
FR2314215B1 (enrdf_load_stackoverflow) 1979-04-06
FR2314215A1 (fr) 1977-01-07
DE2625681A1 (de) 1977-03-17
DE2625681B2 (de) 1980-10-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
429A Application made for amendment of specification (sect. 29/1949)
429H Application (made) for amendment of specification now open to opposition (sect. 29/1949)
429D Case decided by the comptroller ** specification amended (sect. 29/1949)
SP Amendment (slips) printed
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930609