GB1354982A - Neutral membrane and process for making same - Google Patents

Neutral membrane and process for making same

Info

Publication number
GB1354982A
GB1354982A GB1724871A GB1724871A GB1354982A GB 1354982 A GB1354982 A GB 1354982A GB 1724871 A GB1724871 A GB 1724871A GB 1724871 A GB1724871 A GB 1724871A GB 1354982 A GB1354982 A GB 1354982A
Authority
GB
United Kingdom
Prior art keywords
per cent
functional groups
membrane
hydrophilic functional
ionic
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
GB1724871A
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.)
Asahi Kasei Corp
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Chemical Industry Co Ltd
Asahi Kasei Kogyo KK
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 Asahi Chemical Industry Co Ltd, Asahi Kasei Kogyo KK filed Critical Asahi Chemical Industry Co Ltd
Publication of GB1354982A publication Critical patent/GB1354982A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002Organic membrane manufacture
    • B01D67/0006Organic membrane manufacture by chemical reactions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002Organic membrane manufacture
    • B01D67/0023Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/003Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10Supported membranes; Membrane supports
    • B01D69/107Organic support material
    • B01D69/1071Woven, non-woven or net mesh
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L57/00Compositions of unspecified polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
GB1724871A 1970-07-24 1971-05-26 Neutral membrane and process for making same Expired GB1354982A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6435170A JPS5543511B1 (enExample) 1970-07-24 1970-07-24

Publications (1)

Publication Number Publication Date
GB1354982A true GB1354982A (en) 1974-06-05

Family

ID=13255721

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1724871A Expired GB1354982A (en) 1970-07-24 1971-05-26 Neutral membrane and process for making same

Country Status (5)

Country Link
JP (1) JPS5543511B1 (enExample)
CA (1) CA968516A (enExample)
ES (1) ES391303A1 (enExample)
FR (1) FR2103199A5 (enExample)
GB (1) GB1354982A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1581641A (en) * 1976-09-14 1980-12-17 Secr Defence Methods of heat treatment of graft copolymer films
FR2374353A1 (fr) * 1976-12-14 1978-07-13 Comp Generale Electricite Membranes en acide polyacrylique a usage electrochimique
US4608393A (en) * 1984-05-11 1986-08-26 Asahi Glass Company Ltd. Process for producing an ion exchange membrane using irradiation by ionizing radiation followed by thermal polymerization
DE3736087C2 (de) * 1987-10-24 1997-03-06 Serva Feinbiochem Gmbh & Co Gewebe zur Herstellung von Elektrophoresegelen

Also Published As

Publication number Publication date
FR2103199A5 (enExample) 1972-04-07
CA968516A (en) 1975-06-03
ES391303A1 (es) 1973-07-01
JPS5543511B1 (enExample) 1980-11-06

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees