JPS57501237A - - Google Patents

Info

Publication number
JPS57501237A
JPS57501237A JP50225280A JP50225280A JPS57501237A JP S57501237 A JPS57501237 A JP S57501237A JP 50225280 A JP50225280 A JP 50225280A JP 50225280 A JP50225280 A JP 50225280A JP S57501237 A JPS57501237 A JP S57501237A
Authority
JP
Japan
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.)
Pending
Application number
JP50225280A
Other languages
Japanese (ja)
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 filed Critical
Publication of JPS57501237A publication Critical patent/JPS57501237A/ja
Pending legal-status Critical Current

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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
    • 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
    • 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
    • C08J2379/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2361/00 - C08J2377/00
    • C08J2379/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
    • C08J2379/06—Polyhydrazides; Polytriazoles; Polyamino-triazoles; Polyoxadiazoles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
JP50225280A 1980-08-22 1980-08-22 Pending JPS57501237A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SU1980/000144 WO1982000648A1 (en) 1980-08-22 1980-08-22 Porous polymer membrane and method of making it

Publications (1)

Publication Number Publication Date
JPS57501237A true JPS57501237A (en) 1982-07-15

Family

ID=21616656

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50225280A Pending JPS57501237A (en) 1980-08-22 1980-08-22

Country Status (4)

Country Link
JP (1) JPS57501237A (en)
DE (1) DE3050547A1 (en)
GB (1) GB2093460B (en)
WO (1) WO1982000648A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5039418A (en) * 1990-12-06 1991-08-13 Exxon Research And Engineering Company Membrane made from a multi-block polymer comprising an oxazolidone prepolymer chain extended with a compatible second prepolymer and its use in separations
WO1994004253A2 (en) * 1992-08-13 1994-03-03 The Dow Chemical Company Polyazole polymer-based membranes for fluid separation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1252508A (en) * 1968-10-23 1971-11-03
SU520376A1 (en) * 1974-03-19 1976-07-05 Волгоградский Политехнический Институт The method of obtaining soluble poly-1,3,4-oxadiazoles
JPS5633961B2 (en) * 1974-12-19 1981-08-07
SU556155A1 (en) * 1974-12-19 1977-04-30 Предприятие П/Я М-5885 The method of obtaining aromatic poly1,3,4-oxadiazoles

Also Published As

Publication number Publication date
DE3050547A1 (en) 1982-09-23
GB2093460B (en) 1984-02-01
WO1982000648A1 (en) 1982-03-04
GB2093460A (en) 1982-09-02

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