GB9325346D0 - Production of membranes - Google Patents

Production of membranes

Info

Publication number
GB9325346D0
GB9325346D0 GB939325346A GB9325346A GB9325346D0 GB 9325346 D0 GB9325346 D0 GB 9325346D0 GB 939325346 A GB939325346 A GB 939325346A GB 9325346 A GB9325346 A GB 9325346A GB 9325346 D0 GB9325346 D0 GB 9325346D0
Authority
GB
United Kingdom
Prior art keywords
membranes
production
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.)
Pending
Application number
GB939325346A
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.)
North West Water Group PLC
Original Assignee
North West Water Group PLC
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 North West Water Group PLC filed Critical North West Water Group PLC
Priority to GB939325346A priority Critical patent/GB9325346D0/en
Publication of GB9325346D0 publication Critical patent/GB9325346D0/en
Priority to AU11972/95A priority patent/AU1197295A/en
Priority to PCT/GB1994/002709 priority patent/WO1995015808A1/en
Pending legal-status Critical Current

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
    • B01D71/52—Polyethers
    • B01D71/522—Aromatic polyethers
    • B01D71/5222—Polyetherketone, polyetheretherketone, or polyaryletherketone
    • 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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
    • 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
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/52—Polyethers
    • 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
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/022—Asymmetric membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/20—Specific permeability or cut-off range
    • 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
    • C08J2371/00—Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
GB939325346A 1993-12-10 1993-12-10 Production of membranes Pending GB9325346D0 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB939325346A GB9325346D0 (en) 1993-12-10 1993-12-10 Production of membranes
AU11972/95A AU1197295A (en) 1993-12-10 1994-12-12 Production of membranes
PCT/GB1994/002709 WO1995015808A1 (en) 1993-12-10 1994-12-12 Production of membranes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB939325346A GB9325346D0 (en) 1993-12-10 1993-12-10 Production of membranes

Publications (1)

Publication Number Publication Date
GB9325346D0 true GB9325346D0 (en) 1994-02-16

Family

ID=10746437

Family Applications (1)

Application Number Title Priority Date Filing Date
GB939325346A Pending GB9325346D0 (en) 1993-12-10 1993-12-10 Production of membranes

Country Status (3)

Country Link
AU (1) AU1197295A (en)
GB (1) GB9325346D0 (en)
WO (1) WO1995015808A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60236281D1 (en) 2001-06-26 2010-06-17 Victrex Mfg Ltd MANUFACTURING PROCESS FOR MEMBRANES
CA2576372A1 (en) 2004-09-30 2006-04-06 Mcmaster University Composite material comprising layered hydrophilic coatings

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3525235C1 (en) * 1985-07-15 1986-11-27 Gkss - Forschungszentrum Geesthacht Gmbh, 2054 Geesthacht Process for producing and increasing the selectivity of an integral asymmetrical membrane
GB8624701D0 (en) * 1986-10-15 1986-11-19 British Petroleum Co Plc Separation media
US4992485A (en) * 1988-10-11 1991-02-12 The Dow Chemical Company Microporous peek membranes and the preparation thereof
GB8901672D0 (en) * 1989-01-26 1989-03-15 Ici Plc Membranes

Also Published As

Publication number Publication date
AU1197295A (en) 1995-06-27
WO1995015808A1 (en) 1995-06-15

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