DE2833623A1 - Folien - Google Patents

Folien

Info

Publication number
DE2833623A1
DE2833623A1 DE19782833623 DE2833623A DE2833623A1 DE 2833623 A1 DE2833623 A1 DE 2833623A1 DE 19782833623 DE19782833623 DE 19782833623 DE 2833623 A DE2833623 A DE 2833623A DE 2833623 A1 DE2833623 A1 DE 2833623A1
Authority
DE
Germany
Prior art keywords
bath
films
polymer
temperature
extruded
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.)
Granted
Application number
DE19782833623
Other languages
German (de)
English (en)
Other versions
DE2833623C2 (enrdf_load_stackoverflow
Inventor
Klaus Dipl Chem Dr Gerlach
Erich Kessler
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.)
Akzo Patente 5600 Wuppertal De GmbH
Original Assignee
Akzo GmbH
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 GmbH filed Critical Akzo GmbH
Priority to DE19782833623 priority Critical patent/DE2833623A1/de
Priority to NO792308A priority patent/NO153879C/no
Priority to CH662779A priority patent/CH644789A5/de
Priority to IT49805/79A priority patent/IT1118157B/it
Priority to AT0506179A priority patent/AT378128B/de
Priority to DK314779A priority patent/DK152439C/da
Priority to LU81555A priority patent/LU81555A1/de
Priority to FI792365A priority patent/FI70733C/fi
Priority to NLAANVRAGE7905816,A priority patent/NL189969C/xx
Priority to AU49328/79A priority patent/AU531433B2/en
Priority to SE7906441A priority patent/SE7906441L/xx
Priority to FR7919613A priority patent/FR2432329A1/fr
Priority to GB7926410A priority patent/GB2026381B/en
Priority to ES482967A priority patent/ES482967A0/es
Priority to BR7904888A priority patent/BR7904888A/pt
Priority to CA000332858A priority patent/CA1140308A/en
Priority to JP9690579A priority patent/JPS5522398A/ja
Publication of DE2833623A1 publication Critical patent/DE2833623A1/de
Priority to US06/456,758 priority patent/US4564488A/en
Priority to US06/785,324 priority patent/US4744906A/en
Application granted granted Critical
Publication of DE2833623C2 publication Critical patent/DE2833623C2/de
Granted legal-status Critical Current

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)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (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)
DE19782833623 1978-07-31 1978-07-31 Folien Granted DE2833623A1 (de)

Priority Applications (19)

Application Number Priority Date Filing Date Title
DE19782833623 DE2833623A1 (de) 1978-07-31 1978-07-31 Folien
NO792308A NO153879C (no) 1978-07-31 1979-07-11 Fremstilling av en membran med poroes overflate.
CH662779A CH644789A5 (de) 1978-07-31 1979-07-18 Membran mit poroeser oberflaeche.
IT49805/79A IT1118157B (it) 1978-07-31 1979-07-19 Procedimento per la produzione di mendrane con superficie porosa e prodotto ottenuto
AT0506179A AT378128B (de) 1978-07-31 1979-07-23 Verfahren zur herstellung einer membran in form einer flach- oder schlauchfolie
DK314779A DK152439C (da) 1978-07-31 1979-07-26 Fremgangsmaade til fremstilling af en membran i form af en fladfolie, roerfolie, hultraad eller hulfilament
FI792365A FI70733C (fi) 1978-07-31 1979-07-27 Membran med poroes yta foerfarande foer dess framstaellning oc dess anvaendning
NLAANVRAGE7905816,A NL189969C (nl) 1978-07-31 1979-07-27 Werkwijze voor het vervaardigen van een membraan, aldus vervaardigd membraan alsmede toepassingen hiervan als filter, membraandrager en oxygenator.
AU49328/79A AU531433B2 (en) 1978-07-31 1979-07-27 Membrane having smooth porous surface
LU81555A LU81555A1 (de) 1978-07-31 1979-07-27 Membran mit poroeser oberflaeche
SE7906441A SE7906441L (sv) 1978-07-31 1979-07-30 Membran, sett att framstella detta och anvendning av detta
FR7919613A FR2432329A1 (fr) 1978-07-31 1979-07-30 Membrane comportant une surface poreuse utilisee comme filtre ou support de membrane pour la separation, procede pour sa preparation et son utilisation dans le domaine de la microfiltration
GB7926410A GB2026381B (en) 1978-07-31 1979-07-30 Membrane having a porous surface
ES482967A ES482967A0 (es) 1978-07-31 1979-07-30 Procedimiento para la fabricacion de una membrana en forma de una lamina plana, lamina de manguera o de un hilo hueco
BR7904888A BR7904888A (pt) 1978-07-31 1979-07-30 Membrana de polimeros sinteticos,em forma de folha plana,de estrutura tubular ou de fio oco,e,processo de sua obtencao
CA000332858A CA1140308A (en) 1978-07-31 1979-07-30 Membrane with porous surface
JP9690579A JPS5522398A (en) 1978-07-31 1979-07-31 Film in synthetic polymer*its preparation and film support body* support body substrate or oxygen supply instrument of filter that consist of said film or have said film
US06/456,758 US4564488A (en) 1978-07-31 1983-01-10 Methods for the preparation of porous fibers and membranes
US06/785,324 US4744906A (en) 1978-07-31 1985-10-04 Porous fibers and membranes and methods for their preparation and use

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
DE2833623A1 true DE2833623A1 (de) 1980-03-13
DE2833623C2 DE2833623C2 (enrdf_load_stackoverflow) 1988-06-16

Family

ID=6045893

Family Applications (1)

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

Country Status (3)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3327638A1 (de) * 1983-07-30 1985-02-14 Akzo Gmbh, 5600 Wuppertal Poren aufweisende formkoerper
EP0108601A3 (en) * 1982-11-03 1987-05-20 Akzona Incorporated Polypropylene membranes
DE3829766A1 (de) * 1988-09-01 1990-03-22 Akzo Gmbh Verfahren zur herstellung von membranen

Families Citing this family (1)

* 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

Citations (3)

* 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
DE1504213A1 (de) * 1963-07-26 1969-09-25 E S B Reeves Corp Feinporige Kunststoffe und Verfahren zu ihrer Herstellung
DE1941293B2 (de) * 1969-08-14 1973-05-10 Dunlop Ag, 6450 Hanau Verfahren zur herstellung von textilen flaechengebilden oder textilen formkoerpern von schaumfoermiger oder faseriger struktur

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5090579A (enrdf_load_stackoverflow) * 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

Patent Citations (3)

* 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
DE1504213A1 (de) * 1963-07-26 1969-09-25 E S B Reeves Corp Feinporige Kunststoffe und Verfahren zu ihrer Herstellung
DE1941293B2 (de) * 1969-08-14 1973-05-10 Dunlop Ag, 6450 Hanau Verfahren zur herstellung von textilen flaechengebilden oder textilen formkoerpern von schaumfoermiger oder faseriger struktur

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
In Betracht gezogene ältere Patente: DE-PS 27 37 745 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0108601A3 (en) * 1982-11-03 1987-05-20 Akzona Incorporated Polypropylene membranes
DE3327638A1 (de) * 1983-07-30 1985-02-14 Akzo Gmbh, 5600 Wuppertal Poren aufweisende formkoerper
DE3829766A1 (de) * 1988-09-01 1990-03-22 Akzo Gmbh Verfahren zur herstellung von membranen

Also Published As

Publication number Publication date
ATA506179A (de) 1984-11-15
JPS5522398A (en) 1980-02-18
AT378128B (de) 1985-06-25
DE2833623C2 (enrdf_load_stackoverflow) 1988-06-16

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Legal Events

Date Code Title Description
OAM Search report available
OC Search report available
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: AKZO PATENTE GMBH, 5600 WUPPERTAL, DE