JPS5382669A - Preparation of dry separating membrane - Google Patents

Preparation of dry separating membrane

Info

Publication number
JPS5382669A
JPS5382669A JP15820476A JP15820476A JPS5382669A JP S5382669 A JPS5382669 A JP S5382669A JP 15820476 A JP15820476 A JP 15820476A JP 15820476 A JP15820476 A JP 15820476A JP S5382669 A JPS5382669 A JP S5382669A
Authority
JP
Japan
Prior art keywords
separating membrane
preparation
organic solvent
dry separating
dry
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.)
Granted
Application number
JP15820476A
Other languages
Japanese (ja)
Other versions
JPS5625163B2 (en
Inventor
Kazuhisa Yamauchi
Taku Tanaka
Shuji Kawai
Hirokuni Tanii
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
Application filed by Kuraray Co Ltd filed Critical Kuraray Co Ltd
Priority to JP15820476A priority Critical patent/JPS5382669A/en
Publication of JPS5382669A publication Critical patent/JPS5382669A/en
Publication of JPS5625163B2 publication Critical patent/JPS5625163B2/ja
Granted 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

PURPOSE:To obtain dry separating membrane, having a superior permeability and ability of re-wetting, by contacting wet separating membrane, manufactured by wet process, with organic solvent and letting alone more than a fixed time, after replaced water by organic solvent and next, evaporating organic solvent.
JP15820476A 1976-12-29 1976-12-29 Preparation of dry separating membrane Granted JPS5382669A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15820476A JPS5382669A (en) 1976-12-29 1976-12-29 Preparation of dry separating membrane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15820476A JPS5382669A (en) 1976-12-29 1976-12-29 Preparation of dry separating membrane

Publications (2)

Publication Number Publication Date
JPS5382669A true JPS5382669A (en) 1978-07-21
JPS5625163B2 JPS5625163B2 (en) 1981-06-10

Family

ID=15666547

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15820476A Granted JPS5382669A (en) 1976-12-29 1976-12-29 Preparation of dry separating membrane

Country Status (1)

Country Link
JP (1) JPS5382669A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55147108A (en) * 1979-05-08 1980-11-15 Asahi Chem Ind Co Ltd Treatment of polysulfone semipermeable membrane
JPS6025513A (en) * 1983-07-22 1985-02-08 Sumitomo Bakelite Co Ltd Preparation of polysulfone permeable membrane
JPS6214905A (en) * 1985-07-15 1987-01-23 Fuji Photo Film Co Ltd Process of manufacturing microporous
JP2003080040A (en) * 2001-09-12 2003-03-18 Kuraray Co Ltd Method for manufacturing hollow fiber membrane

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3842515A (en) * 1972-11-20 1974-10-22 Helium A Ltd Method for drying water-wet membranes

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3842515A (en) * 1972-11-20 1974-10-22 Helium A Ltd Method for drying water-wet membranes

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55147108A (en) * 1979-05-08 1980-11-15 Asahi Chem Ind Co Ltd Treatment of polysulfone semipermeable membrane
JPS6214322B2 (en) * 1979-05-08 1987-04-01 Asahi Chemical Ind
JPS6025513A (en) * 1983-07-22 1985-02-08 Sumitomo Bakelite Co Ltd Preparation of polysulfone permeable membrane
JPS6214905A (en) * 1985-07-15 1987-01-23 Fuji Photo Film Co Ltd Process of manufacturing microporous
JPH057047B2 (en) * 1985-07-15 1993-01-28 Fuji Photo Film Co Ltd
JP2003080040A (en) * 2001-09-12 2003-03-18 Kuraray Co Ltd Method for manufacturing hollow fiber membrane

Also Published As

Publication number Publication date
JPS5625163B2 (en) 1981-06-10

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