JPS6311045B2 - - Google Patents

Info

Publication number
JPS6311045B2
JPS6311045B2 JP57210384A JP21038482A JPS6311045B2 JP S6311045 B2 JPS6311045 B2 JP S6311045B2 JP 57210384 A JP57210384 A JP 57210384A JP 21038482 A JP21038482 A JP 21038482A JP S6311045 B2 JPS6311045 B2 JP S6311045B2
Authority
JP
Japan
Prior art keywords
membrane
gas separation
polyimide
permeability coefficient
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
JP57210384A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5998704A (ja
Inventor
Akio Iwama
Noritaka Kazuse
Kentaro Tasaka
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.)
Nitto Denko Corp
Original Assignee
Nitto Electric Industrial 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 Nitto Electric Industrial Co Ltd filed Critical Nitto Electric Industrial Co Ltd
Priority to JP57210384A priority Critical patent/JPS5998704A/ja
Publication of JPS5998704A publication Critical patent/JPS5998704A/ja
Publication of JPS6311045B2 publication Critical patent/JPS6311045B2/ja
Granted legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/58Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
    • B01D71/62Polycondensates having nitrogen-containing heterocyclic rings in the main chain
    • B01D71/64Polyimides; Polyamide-imides; Polyester-imides; Polyamide acids or similar polyimide precursors

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
JP57210384A 1982-11-29 1982-11-29 ポリイミドからなる気体分離膜 Granted JPS5998704A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57210384A JPS5998704A (ja) 1982-11-29 1982-11-29 ポリイミドからなる気体分離膜

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57210384A JPS5998704A (ja) 1982-11-29 1982-11-29 ポリイミドからなる気体分離膜

Publications (2)

Publication Number Publication Date
JPS5998704A JPS5998704A (ja) 1984-06-07
JPS6311045B2 true JPS6311045B2 (da) 1988-03-11

Family

ID=16588444

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57210384A Granted JPS5998704A (ja) 1982-11-29 1982-11-29 ポリイミドからなる気体分離膜

Country Status (1)

Country Link
JP (1) JPS5998704A (da)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61133117A (ja) * 1984-11-30 1986-06-20 Ube Ind Ltd 炭酸ガスの分離方法
US4717393A (en) * 1986-10-27 1988-01-05 E. I. Du Pont De Nemours And Company Polyimide gas separation membranes
US4717394A (en) * 1986-10-27 1988-01-05 E. I. Du Pont De Nemours And Company Polyimide gas separation membranes
CA1321153C (en) 1987-11-12 1993-08-10 Shunichi Shimatani Process for separating methane using permeable membrane
JPH0235922A (ja) * 1987-11-12 1990-02-06 Nitto Denko Corp 膜を用いるメタンの濃縮分離方法
US5026823A (en) * 1989-09-12 1991-06-25 The Dow Chemical Company Novel alicyclic polyimides and a process for making the same
US4988371A (en) * 1989-09-12 1991-01-29 The Dow Chemical Company Novel alicyclic polyimide gas separation membranes
JP2574599B2 (ja) * 1992-07-02 1997-01-22 松下電器産業株式会社 スクロール圧縮機

Also Published As

Publication number Publication date
JPS5998704A (ja) 1984-06-07

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