JPS54110182A - Selectively permeable membrane - Google Patents

Selectively permeable membrane

Info

Publication number
JPS54110182A
JPS54110182A JP1642378A JP1642378A JPS54110182A JP S54110182 A JPS54110182 A JP S54110182A JP 1642378 A JP1642378 A JP 1642378A JP 1642378 A JP1642378 A JP 1642378A JP S54110182 A JPS54110182 A JP S54110182A
Authority
JP
Japan
Prior art keywords
arom
diamine
selectively permeable
permeable membrane
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.)
Pending
Application number
JP1642378A
Other languages
Japanese (ja)
Inventor
Hiroshi Kawahara
Akinori Noda
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.)
AGC Inc
Original Assignee
Asahi Glass 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 Asahi Glass Co Ltd filed Critical Asahi Glass Co Ltd
Priority to JP1642378A priority Critical patent/JPS54110182A/en
Publication of JPS54110182A publication Critical patent/JPS54110182A/en
Pending 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
    • B01D71/66—Polymers having sulfur in the main chain, with or without nitrogen, oxygen or carbon only
    • B01D71/69—Polysulfonamides
    • 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
    • B01D71/66—Polymers having sulfur in the main chain, with or without nitrogen, oxygen or carbon only
    • 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
    • B01D71/56—Polyamides, e.g. polyester-amides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

PURPOSE:To provide a selectively permeable membrane with superior mechanical strength, chemical stability, heat resistance, moisture resistance, etc. which membrane is useful as a reverse osmosis membrane and is made of flexible film-forming arom. polyamidoimidosulfonamide having two kinds of arylene-diamine repeating units. CONSTITUTION:An arom. polyamidoimidosulfonamide is formed into a tubular or sheetlike thin film product to provide a selectively permeable membrane. The polymer has two kinds of repeating units of the formula (where each of Ar1 and Ar2 is a divalent arom. hydrocarbon residue; Ar3 is an arom. hydrocarbon residue having -So3H or its alkali metal salt substituent; 0<=x<=0.5; and 0.01<=y<=0.30), and it can be produced by polycondensing N-(4'-halosulfophenyl)-4-halocarbonylphthalimide with an arom. diamine and an arom. diamine having a sulfonic acid group (alkali metal salt), e.g. 2,2'-benzidine disodium disulfonate o the diamines and an arom. dicarboxylic acid halide in the presence of an acid acceptor.
JP1642378A 1978-02-17 1978-02-17 Selectively permeable membrane Pending JPS54110182A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1642378A JPS54110182A (en) 1978-02-17 1978-02-17 Selectively permeable membrane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1642378A JPS54110182A (en) 1978-02-17 1978-02-17 Selectively permeable membrane

Publications (1)

Publication Number Publication Date
JPS54110182A true JPS54110182A (en) 1979-08-29

Family

ID=11915821

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1642378A Pending JPS54110182A (en) 1978-02-17 1978-02-17 Selectively permeable membrane

Country Status (1)

Country Link
JP (1) JPS54110182A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6011532A (en) * 1982-08-02 1985-01-21 イ−・アイ・デユポン・デ・ニモアス・アンド・カンパニ− Disulfonated polyamide of diamine and permeable selective membrane
WO2017175598A1 (en) * 2016-04-05 2017-10-12 富士フイルム株式会社 Gas separation membrane, gas separation module, gas separation device, and gas separation method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6011532A (en) * 1982-08-02 1985-01-21 イ−・アイ・デユポン・デ・ニモアス・アンド・カンパニ− Disulfonated polyamide of diamine and permeable selective membrane
WO2017175598A1 (en) * 2016-04-05 2017-10-12 富士フイルム株式会社 Gas separation membrane, gas separation module, gas separation device, and gas separation method

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