DE1913687A1 - Semipermeable Membranen und Verfahren zu ihrer Herstellung - Google Patents

Semipermeable Membranen und Verfahren zu ihrer Herstellung

Info

Publication number
DE1913687A1
DE1913687A1 DE19691913687 DE1913687A DE1913687A1 DE 1913687 A1 DE1913687 A1 DE 1913687A1 DE 19691913687 DE19691913687 DE 19691913687 DE 1913687 A DE1913687 A DE 1913687A DE 1913687 A1 DE1913687 A1 DE 1913687A1
Authority
DE
Germany
Prior art keywords
groups
basic
film
grafted
acidic
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.)
Pending
Application number
DE19691913687
Other languages
German (de)
English (en)
Inventor
Adolphe Chapiro
Bonamour Geb Jendrychowska
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.)
Bpifrance Financement SA
Original Assignee
Agence National de Valorisation de la Recherche ANVAR
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 Agence National de Valorisation de la Recherche ANVAR filed Critical Agence National de Valorisation de la Recherche ANVAR
Publication of DE1913687A1 publication Critical patent/DE1913687A1/de
Pending 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
    • B01D71/30—Polyalkenyl halides
    • B01D71/32—Polyalkenyl halides containing fluorine atoms
    • B01D71/36—Polytetrafluoroethylene
    • 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
    • B01D67/0093—Chemical modification
    • B01D67/00931—Chemical modification by introduction of specific groups after membrane formation, e.g. by grafting
    • 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
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/12—Chemical modification
    • C08J7/16—Chemical modification with polymerisable compounds
    • C08J7/18—Chemical modification with polymerisable compounds using wave energy or particle radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/38—Graft polymerization
    • B01D2323/385—Graft polymerization involving radiation
    • 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
    • C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Transplantation (AREA)
  • Toxicology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Graft Or Block Polymers (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
DE19691913687 1968-03-18 1969-03-18 Semipermeable Membranen und Verfahren zu ihrer Herstellung Pending DE1913687A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR144211 1968-03-18

Publications (1)

Publication Number Publication Date
DE1913687A1 true DE1913687A1 (de) 1969-10-09

Family

ID=8647623

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19691913687 Pending DE1913687A1 (de) 1968-03-18 1969-03-18 Semipermeable Membranen und Verfahren zu ihrer Herstellung

Country Status (4)

Country Link
CA (1) CA920736A (https=)
DE (1) DE1913687A1 (https=)
FR (1) FR1568217A (https=)
GB (1) GB1264983A (https=)

Also Published As

Publication number Publication date
FR1568217A (https=) 1969-05-23
GB1264983A (https=) 1972-02-23
CA920736A (en) 1973-02-06

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