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GB2285261B - Enhancing membrane crystallinity - Google Patents

Enhancing membrane crystallinity

Info

Publication number
GB2285261B
GB2285261B GB9323671A GB9323671A GB2285261B GB 2285261 B GB2285261 B GB 2285261B GB 9323671 A GB9323671 A GB 9323671A GB 9323671 A GB9323671 A GB 9323671A GB 2285261 B GB2285261 B GB 2285261B
Authority
GB
United Kingdom
Prior art keywords
enhancing membrane
crystallinity
membrane crystallinity
enhancing
membrane
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 - Fee Related
Application number
GB9323671A
Other versions
GB2285261A (en
GB9323671D0 (en
Inventor
Howard Matthew Colquhoun
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 GB9323671A priority Critical patent/GB2285261B/en
Publication of GB9323671D0 publication Critical patent/GB9323671D0/en
Publication of GB2285261A publication Critical patent/GB2285261A/en
Application granted granted Critical
Publication of GB2285261B publication Critical patent/GB2285261B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/0063—After-treatment of articles without altering their shape; Apparatus therefor for changing crystallisation
    • 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
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/02—Chemical treatment or coating of shaped articles made of macromolecular substances with solvents, e.g. swelling agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/0009—After-treatment of articles without altering their shape; Apparatus therefor using liquids, e.g. solvents, swelling agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Polyethers (AREA)
GB9323671A 1993-11-17 1993-11-17 Enhancing membrane crystallinity Expired - Fee Related GB2285261B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9323671A GB2285261B (en) 1993-11-17 1993-11-17 Enhancing membrane crystallinity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9323671A GB2285261B (en) 1993-11-17 1993-11-17 Enhancing membrane crystallinity

Publications (3)

Publication Number Publication Date
GB9323671D0 GB9323671D0 (en) 1994-01-05
GB2285261A GB2285261A (en) 1995-07-05
GB2285261B true GB2285261B (en) 1997-10-08

Family

ID=10745294

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9323671A Expired - Fee Related GB2285261B (en) 1993-11-17 1993-11-17 Enhancing membrane crystallinity

Country Status (1)

Country Link
GB (1) GB2285261B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10116391A1 (en) * 2001-03-28 2002-10-10 Fuma Tech Gmbh Sulfonated polyether ketone ketone

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0285377A2 (en) * 1987-03-30 1988-10-05 Kureha Kagaku Kogyo Kabushiki Kaisha Preparation of highly crystallized, molded polyarylene thioether products

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0285377A2 (en) * 1987-03-30 1988-10-05 Kureha Kagaku Kogyo Kabushiki Kaisha Preparation of highly crystallized, molded polyarylene thioether products

Also Published As

Publication number Publication date
GB2285261A (en) 1995-07-05
GB9323671D0 (en) 1994-01-05

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Legal Events

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

Effective date: 19991117