FR1194425A - Membranes à perméabilité sélective, leur procédé de fabrication et leur application - Google Patents

Membranes à perméabilité sélective, leur procédé de fabrication et leur application

Info

Publication number
FR1194425A
FR1194425A FR1194425DA FR1194425A FR 1194425 A FR1194425 A FR 1194425A FR 1194425D A FR1194425D A FR 1194425DA FR 1194425 A FR1194425 A FR 1194425A
Authority
FR
France
Prior art keywords
application
manufacturing process
selective permeability
permeability membranes
membranes
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
Other languages
English (en)
Inventor
Brian Alfred Cooke
Thomas David Morgan
Hildegard Emilie Luise Schweigart
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.)
SOUTH AFRICAN COUNCIL SCIENTIF
Original Assignee
SOUTH AFRICAN COUNCIL SCIENTIF
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 SOUTH AFRICAN COUNCIL SCIENTIF filed Critical SOUTH AFRICAN COUNCIL SCIENTIF
Application granted granted Critical
Publication of FR1194425A publication Critical patent/FR1194425A/fr
Expired 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
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/20—Manufacture of shaped structures of ion-exchange resins
    • C08J5/22—Films, membranes or diaphragms
    • C08J5/2206—Films, membranes or diaphragms based on organic and/or inorganic macromolecular compounds
    • C08J5/2218—Synthetic macromolecular compounds
    • C08J5/2256—Synthetic macromolecular compounds based on macromolecular compounds obtained by reactions other than those involving carbon-to-carbon bonds, e.g. obtained by polycondensation
    • 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
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/20—Manufacture of shaped structures of ion-exchange resins
    • C08J5/22—Films, membranes or diaphragms
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
FR1194425D 1956-11-09 1957-11-08 Membranes à perméabilité sélective, leur procédé de fabrication et leur application Expired FR1194425A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA2977298X 1956-11-09

Publications (1)

Publication Number Publication Date
FR1194425A true FR1194425A (fr) 1959-11-09

Family

ID=25588504

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1194425D Expired FR1194425A (fr) 1956-11-09 1957-11-08 Membranes à perméabilité sélective, leur procédé de fabrication et leur application

Country Status (4)

Country Link
US (1) US2977298A (fr)
DE (1) DE1055941B (fr)
FR (1) FR1194425A (fr)
GB (1) GB828382A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3271292A (en) * 1960-11-08 1966-09-06 Kollsman Paul Ion exchange membranes and spacers and process of making them
US3276991A (en) * 1961-07-24 1966-10-04 Hani Hiroshi Anion permselective membranes and process for their production

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2593540A (en) * 1945-09-01 1952-04-22 American Viscose Corp Semipermeable membrane
US2805196A (en) * 1952-02-11 1957-09-03 Tno Permselective electrodialysis
US2773114A (en) * 1954-08-31 1956-12-04 Us Rubber Co Battery separator and method of making same

Also Published As

Publication number Publication date
DE1055941B (de) 1959-04-23
US2977298A (en) 1961-03-28
GB828382A (en) 1960-02-17

Similar Documents

Publication Publication Date Title
FR1205260A (fr) Structures façonnées et leur procédé de fabrication
BE557676A (fr) Membranes poreuses et procede de fabrication de ces membranes.
FR1199459A (fr) Structures en polyamide et leur procédé de fabrication
FR1192359A (fr) Procédé perfectionné de fabrication de la viscose
FR1192348A (fr) Vanne, et son procédé de fabrication
FR1216235A (fr) Colorants de dispersion, leur procédé de fabrication et leurs applications
CH391298A (fr) Procédé de fabrication de polymères
FR1173512A (fr) Disulfamides anthraquinoniques, leur procédé de fabrication et leurs applications
FR1194425A (fr) Membranes à perméabilité sélective, leur procédé de fabrication et leur application
BE582086A (fr) Membranes métalliques microporeuses et leur procédé de fabrication.
FR1197982A (fr) Membranes poreuses à porosité très fine et leur procédé de fabrication
BE575553A (fr) Membranes poreuses à porosité trés fine et leur procédé de fabrication.
BE574875A (fr) Membranes poreuses à porosité très fine et leur procédé de fabrication.
FR1176424A (fr) Nouveaux copolymères et leur procédé de fabrication
BE587480A (fr) Matériel de bandage et supports, et leur procédé de fabrication
FR1177785A (fr) Nouvelles membranes semi-perméables anioniques, leur fabrication et leurs applications
BE589057A (fr) Nouvelles sulfonamides et leur procédé de fabrication.
FR1199015A (fr) Membrane perméable et son procédé de fabrication
FR1172227A (fr) 5-hydroxy-2-bromométhylpyran-4-one et son procédé de fabrication
FR1179479A (fr) Procédé perfectionné de fabrication de matières polymères stratifiées
FR69580E (fr) Vitrages bombés, procédé et appareillage pour leur fabrication
FR1162386A (fr) Entretoise perfectionnée et procédé de fabrication
FR1426051A (fr) Procédé de fabrication de la cyanocobalamine
FR1169141A (fr) Solution colloïdale, procédé et appareillage de fabrication
FR1184422A (fr) Tôle creuse et son procédé de fabrication