JPS6225403B2 - - Google Patents

Info

Publication number
JPS6225403B2
JPS6225403B2 JP58230526A JP23052683A JPS6225403B2 JP S6225403 B2 JPS6225403 B2 JP S6225403B2 JP 58230526 A JP58230526 A JP 58230526A JP 23052683 A JP23052683 A JP 23052683A JP S6225403 B2 JPS6225403 B2 JP S6225403B2
Authority
JP
Japan
Prior art keywords
polyimide
film
coagulated
liquid
thin film
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
JP58230526A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60125204A (ja
Inventor
Asumaru Nakamura
Hiroshi Makino
Yoshihiro Kusuki
Takashi Harada
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.)
National Institute of Advanced Industrial Science and Technology
Original Assignee
Agency of Industrial Science and Technology
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 Agency of Industrial Science and Technology filed Critical Agency of Industrial Science and Technology
Priority to JP58230526A priority Critical patent/JPS60125204A/ja
Publication of JPS60125204A publication Critical patent/JPS60125204A/ja
Publication of JPS6225403B2 publication Critical patent/JPS6225403B2/ja
Granted 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
    • B01D71/58—Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
    • B01D71/62—Polycondensates having nitrogen-containing heterocyclic rings in the main chain
    • B01D71/64—Polyimides; Polyamide-imides; Polyester-imides; Polyamide acids or similar polyimide precursors
    • 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
    • B01D67/0013—Casting processes
    • 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
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/12—Specific ratios of components used

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
JP58230526A 1983-12-08 1983-12-08 ポリイミド分離膜の製膜改善方法 Granted JPS60125204A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58230526A JPS60125204A (ja) 1983-12-08 1983-12-08 ポリイミド分離膜の製膜改善方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58230526A JPS60125204A (ja) 1983-12-08 1983-12-08 ポリイミド分離膜の製膜改善方法

Publications (2)

Publication Number Publication Date
JPS60125204A JPS60125204A (ja) 1985-07-04
JPS6225403B2 true JPS6225403B2 (mo) 1987-06-03

Family

ID=16909124

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58230526A Granted JPS60125204A (ja) 1983-12-08 1983-12-08 ポリイミド分離膜の製膜改善方法

Country Status (1)

Country Link
JP (1) JPS60125204A (mo)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4880442A (en) * 1987-12-22 1989-11-14 E. I. Du Pont De Nemours And Company Polyimide gas separation membranes

Also Published As

Publication number Publication date
JPS60125204A (ja) 1985-07-04

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