BE888157A - Menbranes permeables selectives et procede de preparation. - Google Patents

Menbranes permeables selectives et procede de preparation.

Info

Publication number
BE888157A
BE888157A BE0/204285A BE204285A BE888157A BE 888157 A BE888157 A BE 888157A BE 0/204285 A BE0/204285 A BE 0/204285A BE 204285 A BE204285 A BE 204285A BE 888157 A BE888157 A BE 888157A
Authority
BE
Belgium
Prior art keywords
menbranes
preparation
selective permeable
permeable
selective
Prior art date
Application number
BE0/204285A
Other languages
English (en)
Inventor
A Iwama
Y Kazuse
H Iwahori
Original Assignee
Nitto Electric Ind Co
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 Ind Co filed Critical Nitto Electric Ind Co
Publication of BE888157A publication Critical patent/BE888157A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L79/00—Compositions 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 C08L61/00 - C08L77/00
    • C08L79/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
    • C08L79/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • 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
BE0/204285A 1980-03-31 1981-03-27 Menbranes permeables selectives et procede de preparation. BE888157A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55042682A JPS5854841B2 (ja) 1980-03-31 1980-03-31 選択性透過膜の製造方法

Publications (1)

Publication Number Publication Date
BE888157A true BE888157A (fr) 1981-07-16

Family

ID=12642793

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/204285A BE888157A (fr) 1980-03-31 1981-03-27 Menbranes permeables selectives et procede de preparation.

Country Status (6)

Country Link
US (1) US4358378A (fr)
JP (1) JPS5854841B2 (fr)
BE (1) BE888157A (fr)
DE (1) DE3112937C2 (fr)
GB (1) GB2073654B (fr)
NL (1) NL8101544A (fr)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57170936A (en) * 1981-04-14 1982-10-21 Ube Ind Ltd Preparation of porous polyimide film
US4532041A (en) * 1983-05-13 1985-07-30 Exxon Research And Engineering Co. Asymmetric polyimide reverse osmosis membrane, method for preparation of same and use thereof for organic liquid separations
JPS59230604A (ja) * 1983-05-13 1984-12-25 エクソン・リサ−チ・アンド・エンジニアリング・カンパニ− 不整ポリイミド逆浸透膜、その製造方法及び有機液分離のためのその使用
JPS6094106A (ja) * 1983-10-27 1985-05-27 Nitto Electric Ind Co Ltd 複合膜の製造方法
US4606903A (en) * 1984-04-27 1986-08-19 Exxon Research And Engineering Co. Membrane separation of uncoverted carbon fiber precursors from flux solvent and/or anti-solvent
US4571444A (en) * 1984-04-27 1986-02-18 Exxon Research And Engineering Co. Process for separating alkylaromatics from aromatic solvents and the separation of the alkylaromatic isomers using membranes
DE3420373C2 (de) * 1984-06-01 1986-09-18 Gkss - Forschungszentrum Geesthacht Gmbh, 2054 Geesthacht Verfahren zur Herstellung einer integralasymmetrischen Membran zur Trennung von Gasen
GB8617263D0 (en) * 1986-07-15 1986-08-20 British Petroleum Co Plc Separation media
US4717394A (en) * 1986-10-27 1988-01-05 E. I. Du Pont De Nemours And Company Polyimide gas separation membranes
US4717393A (en) * 1986-10-27 1988-01-05 E. I. Du Pont De Nemours And Company Polyimide gas separation membranes
US4964887A (en) * 1987-11-12 1990-10-23 Nitto Denko Corporation Process for separating methane using permeable membrane
CA1321153C (fr) * 1987-11-12 1993-08-10 Shunichi Shimatani Methode de separation de mithane d'un melange gazeux a l'aide d'une membrane permeable
GB8805992D0 (en) * 1988-03-14 1988-04-13 Shell Int Research Process for preparing non-porous membrane layers
US4836927A (en) * 1988-03-28 1989-06-06 Exxon Research And Engineering Company Recovery of dewaxing aid using asymmetric polyimide ultrafiltration membrane and method for producing said membrane
US4838900A (en) * 1988-04-13 1989-06-13 E. I. Du Pont De Nemours And Company Polyimide gas separation membranes
US4959151A (en) * 1988-09-27 1990-09-25 Ube Industries Pervaporation method of separating liquid organic compound mixture through aromatic imide polymer asymmetric membrane
US4908134A (en) * 1989-02-16 1990-03-13 Exxon Research And Engineering Company Ultrafiltration polyamide membrane and its use for recovery of dewaxing aid (OP-3454)
US4963303A (en) * 1989-02-16 1990-10-16 Exxon Research & Engineering Company Ultrafiltration polyimide membrane and its use for recovery of dewaxing aid
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
US5480554A (en) * 1992-05-13 1996-01-02 Pall Corporation Integrity-testable wet-dry-reversible ultrafiltration membranes and method for testing same
US5788862A (en) * 1992-05-13 1998-08-04 Pall Corporation Filtration medium
US5248319A (en) * 1992-09-02 1993-09-28 E. I. Du Pont De Nemours And Company Gas separation membranes made from blends of aromatic polyamide, polymide or polyamide-imide polymers
US5266100A (en) * 1992-09-02 1993-11-30 E. I. Du Pont De Nemours And Company Alkyl substituted polyimide, polyamide and polyamide-imide gas separation membranes
DE4238097C2 (de) * 1992-11-11 1994-09-08 Fraunhofer Ges Forschung Stoffspezifische Trägersubstanzen enthaltende Polymermembran, Verfahren zu deren Herstellung und deren Verwendung zur Trennung von Stoffgemischen
US5322549A (en) * 1993-06-04 1994-06-21 E. I. Du Pont De Nemours And Company Polyimides and gas separation membranes prepared therefrom
JP3994241B2 (ja) * 1998-04-27 2007-10-17 宇部興産株式会社 ポリイミド多孔膜及び製造方法
JP4075208B2 (ja) * 1999-04-23 2008-04-16 宇部興産株式会社 多孔質フィルム及びそれを用いた電池用セパレータ
JP4075221B2 (ja) * 1999-06-24 2008-04-16 宇部興産株式会社 ポリイミド多孔質フィルムの製造方法、ポリイミド多孔質フィルム、フィルター用多孔質フィルムおよびフィルター
JP4752993B2 (ja) * 2001-09-10 2011-08-17 日産化学工業株式会社 ポリイミド多孔質膜およびその製造法
JP2007169661A (ja) * 2007-03-22 2007-07-05 Ube Ind Ltd ポリイミド多孔膜

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5471785A (en) * 1977-11-18 1979-06-08 Nitto Electric Ind Co Ltd Selectively permeable membrane and production thereof
JPS5494477A (en) * 1978-01-10 1979-07-26 Nitto Electric Ind Co Ltd Manufacture of selective permeable membrnae
JPS5827963B2 (ja) * 1979-05-17 1983-06-13 日東電工株式会社 選択性透過膜の製造方法

Also Published As

Publication number Publication date
GB2073654A (en) 1981-10-21
DE3112937A1 (de) 1982-04-01
US4358378A (en) 1982-11-09
JPS5854841B2 (ja) 1983-12-07
DE3112937C2 (de) 1983-12-22
JPS56139104A (en) 1981-10-30
GB2073654B (en) 1983-08-10
NL8101544A (nl) 1981-10-16

Similar Documents

Publication Publication Date Title
BE888157A (fr) Menbranes permeables selectives et procede de preparation.
FR2490632B1 (fr) Derives de l-argininal et procede de preparation
ES520637A0 (es) Metodo de preparar compuestos carbostirilicos.
BE890638A (fr) Procede de microcapsulation
DE3379260D1 (en) Gas-selectively permeable membrane and method of forming said membrane
BE887806A (fr) Appareil et procede de photometrie
BE890159A (fr) Polyols modifies, leur procede de preparation et leur utilisation
BR8108734A (pt) Sistema de eletrodos fisioloficos
BE888465A (fr) Procede et dispositif de soudage,
FR2489308B1 (fr) Procede catalytique
FR2497967B1 (fr) Lentille de contact et son procede de preparation
IT8125353A0 (it) Metodo ed apparecchio perfezionati per la fabbricazione di pellicce artificiali.
FR2497207B1 (fr) Composition antigingivite, son procede de preparation et son application
BE867267A (fr) Procede et dispositif de filtrage.
BE890157A (fr) Amino-polyols modifies, leur procede de preparation et leur utilisation
FR2491056B1 (fr) Procede et appareil de frittage
NO802058L (no) Apparat til innstilling av fisker.
ES498902A0 (es) Metodo de produccion de un complejo protombinico activado.
DE3380297D1 (en) Gas-selectively permeable membrane and method of forming said membrane
BE853431A (fr) Procede de preparation et de purification de la secretine
IT8119418A0 (it) Metodo ed apparecchio per disidratare fanghi.
FR2550223B1 (fr) Spf-100 et procede de preparation
NO151460C (no) Fremgangsmaate og fremstilling av 2-fluorerte metylaminoacetonitriler
BE889504A (fr) 6-alkyl-2-penems et leur procede de preparation
BE887881A (fr) Element de construction et son procede de preparation

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: NITTO ELECTRIC INDUSTRIAL CO. LTD

Effective date: 19880331