AT378128B - Verfahren zur herstellung einer membran in form einer flach- oder schlauchfolie - Google Patents

Verfahren zur herstellung einer membran in form einer flach- oder schlauchfolie

Info

Publication number
AT378128B
AT378128B AT0506179A AT506179A AT378128B AT 378128 B AT378128 B AT 378128B AT 0506179 A AT0506179 A AT 0506179A AT 506179 A AT506179 A AT 506179A AT 378128 B AT378128 B AT 378128B
Authority
AT
Austria
Prior art keywords
membrane
flat
producing
tube film
film
Prior art date
Application number
AT0506179A
Other languages
German (de)
English (en)
Other versions
ATA506179A (de
Inventor
Klaus Dipl Chem Dr Gerlach
Erich Kessler
Original Assignee
Akzo Nv
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 Akzo Nv filed Critical Akzo Nv
Priority to AT398883A priority Critical patent/AT380179B/de
Publication of ATA506179A publication Critical patent/ATA506179A/de
Application granted granted Critical
Publication of AT378128B publication Critical patent/AT378128B/de

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
    • 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
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/003—Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
    • 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
    • B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • 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
    • B01D69/08—Hollow fibre membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
    • B29C67/205—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored comprising surface fusion, and bonding of particles to form voids, e.g. sintering
    • 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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
    • 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
    • C08J2201/00—Foams characterised by the foaming process
    • C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
    • C08J2201/054—Precipitating the polymer by adding a non-solvent or a different solvent
    • C08J2201/0542—Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition
    • C08J2201/0543—Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition the non-solvent being organic
    • 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
    • C08J2201/00—Foams characterised by the foaming process
    • C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
    • C08J2201/054—Precipitating the polymer by adding a non-solvent or a different solvent
    • C08J2201/0545—Precipitating the polymer by adding a non-solvent or a different solvent from an aqueous solvent-based polymer composition
    • C08J2201/0546—Precipitating the polymer by adding a non-solvent or a different solvent from an aqueous solvent-based polymer composition the non-solvent being organic

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
AT0506179A 1978-07-31 1979-07-23 Verfahren zur herstellung einer membran in form einer flach- oder schlauchfolie AT378128B (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT398883A AT380179B (de) 1978-07-31 1983-11-11 Verfahren zur herstellung einer membran mit poroeser struktur in form eines hohlfadens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782833623 DE2833623A1 (de) 1978-07-31 1978-07-31 Folien

Publications (2)

Publication Number Publication Date
ATA506179A ATA506179A (de) 1984-11-15
AT378128B true AT378128B (de) 1985-06-25

Family

ID=6045893

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0506179A AT378128B (de) 1978-07-31 1979-07-23 Verfahren zur herstellung einer membran in form einer flach- oder schlauchfolie

Country Status (3)

Country Link
JP (1) JPS5522398A (ja)
AT (1) AT378128B (ja)
DE (1) DE2833623A1 (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3205289C2 (de) * 1982-02-15 1984-10-31 Akzo Gmbh, 5600 Wuppertal Verfahren zur Herstellung von porösen Körpern mit einstellbarem Gesamtporenvolumen, einstellbarer Porengröße und einstellbarer Porenwandung
US4490431A (en) * 1982-11-03 1984-12-25 Akzona Incorporated 0.1 Micron rated polypropylene membrane and method for its preparation
DE3327638C2 (de) * 1983-07-30 1986-08-07 Akzo Gmbh, 5600 Wuppertal Verfahren und Vorrichtung zur Herstellung Poren aufweisender Formkörper
DE3829766A1 (de) * 1988-09-01 1990-03-22 Akzo Gmbh Verfahren zur herstellung von membranen

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3378507A (en) * 1961-12-20 1968-04-16 Gen Electric Producing microporous polymers
NL6408338A (ja) * 1963-07-26 1965-01-27
DE1941293C3 (de) * 1969-08-14 1975-10-16 Dunlop Ag, 6450 Hanau Verfahren zur Herstellung von textlien Flächengebilden oder textlien Formkörpern von schaumförmiger oder faseriger Struktur
JPS5090579A (ja) * 1973-12-12 1975-07-19
JPS5193786A (en) * 1975-02-15 1976-08-17 Makurokagatano chukuseni
JPS5215482A (en) * 1975-07-28 1977-02-05 Asahi Chem Ind Co Ltd Gas separating and condensing process

Also Published As

Publication number Publication date
JPS5522398A (en) 1980-02-18
ATA506179A (de) 1984-11-15
DE2833623C2 (ja) 1988-06-16
DE2833623A1 (de) 1980-03-13

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee