IT1030867B - Membrane semipermeabili per frazionare miscele fluide - Google Patents

Membrane semipermeabili per frazionare miscele fluide

Info

Publication number
IT1030867B
IT1030867B IT3015374A IT3015374A IT1030867B IT 1030867 B IT1030867 B IT 1030867B IT 3015374 A IT3015374 A IT 3015374A IT 3015374 A IT3015374 A IT 3015374A IT 1030867 B IT1030867 B IT 1030867B
Authority
IT
Italy
Prior art keywords
esp
reverse osmosis
liquids
gas permeation
fractionation
Prior art date
Application number
IT3015374A
Other languages
English (en)
Italian (it)
Original Assignee
Rhone Poulenc Sa
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
Priority claimed from FR7343242A external-priority patent/FR2252862B1/fr
Application filed by Rhone Poulenc Sa filed Critical Rhone Poulenc Sa
Application granted granted Critical
Publication of IT1030867B publication Critical patent/IT1030867B/it

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G81/00Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12Composite membranes; Ultra-thin membranes
    • 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
    • B01D71/76Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74
    • B01D71/80Block polymers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08Processes
    • C08G18/0804Manufacture of polymers containing ionic or ionogenic groups
    • C08G18/0809Manufacture of polymers containing ionic or ionogenic groups containing cationic or cationogenic groups
    • C08G18/0814Manufacture of polymers containing ionic or ionogenic groups containing cationic or cationogenic groups containing ammonium groups or groups forming them
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2340/00Filter material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Engineering & Computer Science (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
  • Non-Alcoholic Beverages (AREA)
  • Laminated Bodies (AREA)
  • Peptides Or Proteins (AREA)
IT3015374A 1973-12-04 1974-12-03 Membrane semipermeabili per frazionare miscele fluide IT1030867B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7343242A FR2252862B1 (enrdf_load_stackoverflow) 1973-12-04 1973-12-04

Publications (1)

Publication Number Publication Date
IT1030867B true IT1030867B (it) 1979-04-10

Family

ID=9128694

Family Applications (1)

Application Number Title Priority Date Filing Date
IT3015374A IT1030867B (it) 1973-12-04 1974-12-03 Membrane semipermeabili per frazionare miscele fluide

Country Status (7)

Country Link
JP (1) JPS5099973A (enrdf_load_stackoverflow)
BR (1) BR7410080A (enrdf_load_stackoverflow)
DK (1) DK628174A (enrdf_load_stackoverflow)
IL (1) IL46176A0 (enrdf_load_stackoverflow)
IT (1) IT1030867B (enrdf_load_stackoverflow)
SE (1) SE7415145L (enrdf_load_stackoverflow)
ZA (1) ZA747678B (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7809835A (nl) * 1978-09-28 1980-04-01 Wafilin Bv Gemodificeerd membraan voor membraanfiltratie.
JPS614505A (ja) * 1984-06-15 1986-01-10 Nitto Electric Ind Co Ltd ポリスルホン複合半透膜及びその製造方法
JPS614506A (ja) * 1984-06-15 1986-01-10 Nitto Electric Ind Co Ltd ポリスルホン複合半透膜及びその製造方法
JPS6219205A (ja) * 1985-07-17 1987-01-28 Nok Corp 限外ロ過膜の製造方法

Also Published As

Publication number Publication date
ZA747678B (en) 1975-12-31
IL46176A0 (en) 1975-03-13
JPS5099973A (enrdf_load_stackoverflow) 1975-08-08
DK628174A (enrdf_load_stackoverflow) 1975-07-28
BR7410080A (pt) 1976-06-08
SE7415145L (enrdf_load_stackoverflow) 1975-06-05

Similar Documents

Publication Publication Date Title
ATE479492T1 (de) Verwendung einer geladenen porösen membran zur herstellung von weichwasser
ES8607034A1 (es) Un procedimiento para formar una membrana compuesta de peli-cula fina para osmosis inversa
IE35878L (en) Dialysis and ultrafiltration of a liquid
GB1390418A (en) Reverse osmosis process using cross-linked aromatic polyamide membranes
GR3001540T3 (en) Semi-permeable hydrophilic polyvinylidene fluoride membranes suited for drying
GB1526843A (en) Process for the production of semipermeable membranes
CA943731A (en) Textured membranes for blood dialyzers, oxygenators and the like
ATE12589T1 (de) Halbdurchlaessige hochleistungs-composite-membran und verfahren zu ihrer herstellung.
IE45936L (en) Semipermeable membrane
FR2330695B3 (enrdf_load_stackoverflow)
GB1270172A (en) Permselective membrane and method of making such membrane
JPS5417978A (en) Hydrophilic and porous composite structure and its production
IT1030867B (it) Membrane semipermeabili per frazionare miscele fluide
FR2406469A1 (fr) Nouvelle membrane semi-permeable et son procede de preparation
Plummer et al. Development of sulfonated polyphenylene oxide membranes for reverse osmosis
FR2180446A1 (en) Ultrafiltration process - with fluid pressure fluctuations to keep membrane clean
DK133367B (da) Centrifuge til omvendt osmose, ultra-filtrering, mikro-filtrering eller dialyse og fremgangsmåde til fremstilling af en sådan centrifuge.
FR2413108A1 (fr) Procede pour la fabrication de membranes semi-permeables
FR2293960A2 (fr) Membranes
FR2180478A1 (en) Water demineralsn - by ultra filtration followed by reverse osmosis
FR2193633A1 (en) Membrane sepn cell - for fractionating fluids by dialysis, (reverse) osmosis, ultrafiltration etc
FR2236539A1 (en) Biological polymeric membrane prepn. - by depolymerising elastin and then, copolymerising the peptides with gelatin, collagen etc.
GB2191114B (en) Semipermeable membranes
JPS52124929A (en) Composite functional hollow fibers and production
FR2043917A5 (en) Uniform porosity membranes for artificial - kidney or lung machines