ZA849041B - Membranes - Google Patents

Membranes

Info

Publication number
ZA849041B
ZA849041B ZA849041A ZA849041A ZA849041B ZA 849041 B ZA849041 B ZA 849041B ZA 849041 A ZA849041 A ZA 849041A ZA 849041 A ZA849041 A ZA 849041A ZA 849041 B ZA849041 B ZA 849041B
Authority
ZA
South Africa
Prior art keywords
membranes
Prior art date
Application number
ZA849041A
Other languages
English (en)
Inventor
Richard Anthony Hann
David Robert Holmes
John William Smith
Original Assignee
Ici 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 Ici Plc filed Critical Ici Plc
Publication of ZA849041B publication Critical patent/ZA849041B/xx

Links

Classifications

    • 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
    • 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
    • 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
    • B01D71/66—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
    • 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
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/022—Asymmetric membranes
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
ZA849041A 1983-11-23 1984-11-20 Membranes ZA849041B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB838331195A GB8331195D0 (en) 1983-11-23 1983-11-23 Membranes

Publications (1)

Publication Number Publication Date
ZA849041B true ZA849041B (en) 1985-10-30

Family

ID=10552197

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA849041A ZA849041B (en) 1983-11-23 1984-11-20 Membranes

Country Status (4)

Country Link
EP (1) EP0142973A3 (xx)
JP (1) JPS60137964A (xx)
GB (2) GB8331195D0 (xx)
ZA (1) ZA849041B (xx)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1263572A (en) * 1984-06-15 1989-12-05 Kenichi Ikeda Sulfonated polysulfone composite semipermeable membranes and process for producing the same
GB8428525D0 (en) * 1984-11-12 1984-12-19 Ici Plc Membranes
GB8512764D0 (en) * 1985-05-21 1985-06-26 Ici Plc Gas separation
GB8513114D0 (en) * 1985-05-23 1985-06-26 Ici Plc Membranes
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
US4990252A (en) * 1987-02-04 1991-02-05 Hydanautics Stable membranes from sulfonated polyarylethers
JP2530324Y2 (ja) * 1992-05-15 1997-03-26 株式会社椿本チエイン レーザ加工機用ワーク回転装置の機体保護構造
US6026968A (en) * 1996-05-13 2000-02-22 Nitto Denko Corporation Reverse osmosis composite membrane
CA2437135A1 (en) * 2001-02-05 2002-08-15 Kaneka Corporation Proton-conductive polymer film and process for producing the same
US12048897B2 (en) * 2011-01-25 2024-07-30 Nanyang Technological University Forward osmosis membrane and method of forming a forward osmosis membrane
US11872532B2 (en) 2018-09-05 2024-01-16 Campbell Membrane Technologies, Inc. Ultrafiltration membranes for dairy protein separation

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0029633B1 (en) * 1978-09-05 1983-10-05 Imperial Chemical Industries Plc Polyarylethersulphone copolymers

Also Published As

Publication number Publication date
GB8428498D0 (en) 1984-12-19
GB8331195D0 (en) 1983-12-29
EP0142973A2 (en) 1985-05-29
JPS60137964A (ja) 1985-07-22
EP0142973A3 (en) 1988-01-07

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