IL46176A0 - Semi-permeable composite membranes and processes for the preparation thereof - Google Patents

Semi-permeable composite membranes and processes for the preparation thereof

Info

Publication number
IL46176A0
IL46176A0 IL46176A IL4617674A IL46176A0 IL 46176 A0 IL46176 A0 IL 46176A0 IL 46176 A IL46176 A IL 46176A IL 4617674 A IL4617674 A IL 4617674A IL 46176 A0 IL46176 A0 IL 46176A0
Authority
IL
Israel
Prior art keywords
semi
processes
preparation
composite membranes
permeable composite
Prior art date
Application number
IL46176A
Other languages
English (en)
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
Publication of IL46176A0 publication Critical patent/IL46176A0/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G81/00—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12—Composite membranes; Ultra-thin membranes
    • 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
    • B01D71/76—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74
    • B01D71/80—Block polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/0804—Manufacture of polymers containing ionic or ionogenic groups
    • C08G18/0809—Manufacture of polymers containing ionic or ionogenic groups containing cationic or cationogenic groups
    • C08G18/0814—Manufacture of polymers containing ionic or ionogenic groups containing cationic or cationogenic groups containing ammonium groups or groups forming them
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2340/00—Filter 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)
  • Non-Alcoholic Beverages (AREA)
  • Laminated Bodies (AREA)
  • Peptides Or Proteins (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
IL46176A 1973-12-04 1974-12-03 Semi-permeable composite membranes and processes for the preparation thereof IL46176A0 (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IL46176A0 true IL46176A0 (en) 1975-03-13

Family

ID=9128694

Family Applications (1)

Application Number Title Priority Date Filing Date
IL46176A IL46176A0 (en) 1973-12-04 1974-12-03 Semi-permeable composite membranes and processes for the preparation thereof

Country Status (7)

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

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.
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
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
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
BR7410080A (pt) 1976-06-08
ZA747678B (en) 1975-12-31
JPS5099973A (xx) 1975-08-08
DK628174A (xx) 1975-07-28
SE7415145L (xx) 1975-06-05
IT1030867B (it) 1979-04-10

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