FR2443866B1 - Procede pour la fabrication de membranes semi-permeables, membranes obtenues et leur application - Google Patents

Procede pour la fabrication de membranes semi-permeables, membranes obtenues et leur application

Info

Publication number
FR2443866B1
FR2443866B1 FR7930683A FR7930683A FR2443866B1 FR 2443866 B1 FR2443866 B1 FR 2443866B1 FR 7930683 A FR7930683 A FR 7930683A FR 7930683 A FR7930683 A FR 7930683A FR 2443866 B1 FR2443866 B1 FR 2443866B1
Authority
FR
France
Prior art keywords
membranes
semi
manufacture
application
permeable
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
FR7930683A
Other languages
English (en)
Other versions
FR2443866A1 (fr
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.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical 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 Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Publication of FR2443866A1 publication Critical patent/FR2443866A1/fr
Application granted granted Critical
Publication of FR2443866B1 publication Critical patent/FR2443866B1/fr
Expired 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
    • B01D71/40—Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
    • B01D71/42—Polymers of nitriles, e.g. polyacrylonitrile
    • B01D71/421—Polyacrylonitrile
    • 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
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/009—After-treatment of organic or inorganic membranes with wave-energy, particle-radiation or plasma
    • 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
    • B01D71/40—Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
    • B01D71/42—Polymers of nitriles, e.g. polyacrylonitrile

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
FR7930683A 1978-12-15 1979-12-14 Procede pour la fabrication de membranes semi-permeables, membranes obtenues et leur application Expired FR2443866B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15591978A JPS5581706A (en) 1978-12-15 1978-12-15 Preparation of semi-permeable membrane

Publications (2)

Publication Number Publication Date
FR2443866A1 FR2443866A1 (fr) 1980-07-11
FR2443866B1 true FR2443866B1 (fr) 1986-02-14

Family

ID=15616371

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7930683A Expired FR2443866B1 (fr) 1978-12-15 1979-12-14 Procede pour la fabrication de membranes semi-permeables, membranes obtenues et leur application

Country Status (7)

Country Link
JP (1) JPS5581706A (fr)
DE (1) DE2950236A1 (fr)
DK (1) DK154750C (fr)
FR (1) FR2443866B1 (fr)
GB (1) GB2037222B (fr)
IT (1) IT1164914B (fr)
NL (1) NL7908970A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BG33312A1 (en) * 1981-04-20 1983-01-14 Dimov Method for obtaining of semi- transparent membrane
DE3509068A1 (de) * 1985-03-14 1986-09-18 Bayer Ag, 5090 Leverkusen Porenmembranen
JP3171947B2 (ja) * 1991-09-03 2001-06-04 ダイセル化学工業株式会社 ポリアクリロニトリル共重合体選択透過膜およびその製造方法
DE19811997C1 (de) * 1998-03-19 1999-07-15 Geesthacht Gkss Forschung Lösemittel- und säurestabile Membran auf Basis von Polyacrylnitril (PAN) und einem damit copolymerisierten Comonomer sowie ein Verfahren zur Herstellung dieser Membran
KR100454153B1 (ko) * 2001-11-24 2004-10-26 태광산업주식회사 폴리아크릴로니트릴계 중공사 분리막 및 그 제조방법

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5090579A (fr) * 1973-12-12 1975-07-19
US4025439A (en) * 1973-12-12 1977-05-24 Mitsubishi Rayon Co., Ltd. Dried semipermeable membrane and manufacture thereof
JPS568645B2 (fr) * 1974-09-05 1981-02-25
JPS5226380A (en) * 1975-08-25 1977-02-26 Sumitomo Chem Co Ltd Method of making semipermeable membranes
US4061821A (en) * 1975-12-29 1977-12-06 Asahi Kasei Kogyo Kabushiki Kaisha Semipermeable composite membranes
US4268662A (en) * 1978-03-17 1981-05-19 Sumitomo Chemical Company, Limited Process for improving semipermeable membranes by treating with protic acids or inorganic salts

Also Published As

Publication number Publication date
DK154750C (da) 1989-05-08
JPS5581706A (en) 1980-06-20
DE2950236C2 (fr) 1988-03-10
NL7908970A (nl) 1980-06-17
GB2037222B (en) 1983-01-19
IT7951083A0 (it) 1979-12-13
GB2037222A (en) 1980-07-09
FR2443866A1 (fr) 1980-07-11
IT1164914B (it) 1987-04-15
DE2950236A1 (de) 1980-06-26
DK534679A (da) 1980-06-16
DK154750B (da) 1988-12-19

Similar Documents

Publication Publication Date Title
FR2339424A1 (fr) Procede pour la fabrication de membranes semipermeables de polysulfone et membranes obtenues
FR2452948B1 (fr) Membrane semipermeable composite et procede pour la fabriquer
BE861742A (fr) Procede pour la fabrication de preparations pauvres en poussiere
FR2575459B1 (fr) Procede de fabrication de membranes minerales, poreuses et permeables
RO83454A (fr) Procede pour la preparation des pyrimidones
RO77557A (fr) Procede pour la preparation continue du 1,4-butandiol
BE878940A (fr) Procede de preparation de copolymeres
BE884650A (fr) Procede pour la preparation de diesterdiamides
BE885977A (fr) Procede pour la preparation de dithiazolyldisulfures
BE875998A (fr) Membranes d'ultrafiltration et leur procede de preparation
FR2302499A1 (fr) Procede pour la fabrication de revete
FR2445345B1 (fr) Procede ameliore pour la production de polyethylene
FR2419742B1 (fr) Procede pour ameliorer les performances de membranes semipermeables
BE879854A (fr) Procede de preparation de diaryl-para-phenylene-diamines
FR2443866B1 (fr) Procede pour la fabrication de membranes semi-permeables, membranes obtenues et leur application
BE864135A (fr) Procede pour la fabrication de peradices
FR2328777A1 (fr) Procede pour la fabrication de ferro-alliage
BE878885A (fr) Procede pour la fabrication de monofilaments
BE882763Q (fr) Procede pour la production de lactulose
BE879210A (fr) Procede de preparation de 3-exomethylenecephamsulfoxydes
BE882655A (fr) Procede de fabrication de dimethylacetal d'acetaldehyde
RO82087A (fr) Procede pour la preparation de3-pycoline
BE889546A (fr) Procede de preparation de n-cyclohexylbenzothiazole-2-sulfenamide
FR2299323A1 (fr) Procede pour la separation de 4,4'-dichlorodiphenylsulfone
BE880031A (fr) Procede pour la preparation de 1 alpha, 3 beta-dihydroxy-delta 5-steroides

Legal Events

Date Code Title Description
ST Notification of lapse