CH644789A5 - Membran mit poroeser oberflaeche. - Google Patents

Membran mit poroeser oberflaeche. Download PDF

Info

Publication number
CH644789A5
CH644789A5 CH662779A CH662779A CH644789A5 CH 644789 A5 CH644789 A5 CH 644789A5 CH 662779 A CH662779 A CH 662779A CH 662779 A CH662779 A CH 662779A CH 644789 A5 CH644789 A5 CH 644789A5
Authority
CH
Switzerland
Prior art keywords
membrane
bath
polymer
temperature
liquid
Prior art date
Application number
CH662779A
Other languages
German (de)
English (en)
Inventor
Klaus 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
Priority claimed from DE19782833623 external-priority patent/DE2833623A1/de
Priority claimed from DE2833493A external-priority patent/DE2833493C2/de
Application filed by Akzo Nv filed Critical Akzo Nv
Publication of CH644789A5 publication Critical patent/CH644789A5/de

Links

Classifications

    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/24Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002Organic membrane manufacture
    • B01D67/0023Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/003Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
    • 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
    • B01D69/02Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • 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
    • B01D69/08Hollow fibre membranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C67/00Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/20Shaping 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
    • B29C67/205Shaping 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
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/28Working-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
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2201/00Foams characterised by the foaming process
    • C08J2201/04Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
    • C08J2201/054Precipitating the polymer by adding a non-solvent or a different solvent
    • C08J2201/0542Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition
    • C08J2201/0543Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition the non-solvent being organic
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2201/00Foams characterised by the foaming process
    • C08J2201/04Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
    • C08J2201/054Precipitating the polymer by adding a non-solvent or a different solvent
    • C08J2201/0545Precipitating the polymer by adding a non-solvent or a different solvent from an aqueous solvent-based polymer composition
    • C08J2201/0546Precipitating 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)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Textile Engineering (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Artificial Filaments (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
CH662779A 1978-07-31 1979-07-18 Membran mit poroeser oberflaeche. CH644789A5 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19782833623 DE2833623A1 (de) 1978-07-31 1978-07-31 Folien
DE2833493A DE2833493C2 (de) 1978-07-31 1978-07-31 Hohlfäden

Publications (1)

Publication Number Publication Date
CH644789A5 true CH644789A5 (de) 1984-08-31

Family

ID=25775227

Family Applications (1)

Application Number Title Priority Date Filing Date
CH662779A CH644789A5 (de) 1978-07-31 1979-07-18 Membran mit poroeser oberflaeche.

Country Status (14)

Country Link
AU (1) AU531433B2 (es)
BR (1) BR7904888A (es)
CA (1) CA1140308A (es)
CH (1) CH644789A5 (es)
DK (1) DK152439C (es)
ES (1) ES8101135A1 (es)
FI (1) FI70733C (es)
FR (1) FR2432329A1 (es)
GB (1) GB2026381B (es)
IT (1) IT1118157B (es)
LU (1) LU81555A1 (es)
NL (1) NL189969C (es)
NO (1) NO153879C (es)
SE (1) SE7906441L (es)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2047874B (en) * 1979-03-17 1983-12-21 Akzo Nv Apparatus in which heat is transferred through hollow threads as well as hollow threads suitable for this purpose
JPS56159128A (en) * 1980-05-15 1981-12-08 Asahi Chem Ind Co Ltd Thermoplastic resin porous film and production thereof
DE3049557A1 (de) * 1980-12-31 1982-07-29 Akzo Gmbh, 5600 Wuppertal Poroese schlaeuche
AU540708B2 (en) * 1982-01-25 1984-11-29 Mitsubishi Rayon Company Limited Water purifying method and system
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
CA1226112A (en) * 1982-09-09 1987-09-01 Minnesota Mining And Manufacturing Company Microporous sheet material, method of making and articles made therewith
US4539256A (en) * 1982-09-09 1985-09-03 Minnesota Mining And Manufacturing Co. Microporous sheet material, method of making and articles made therewith
AU1975583A (en) * 1982-09-30 1984-04-05 Extracorporeal Medical Specialties Inc. Making semipermeable membranes from polypropylene and a second polymer
EP0110580A3 (en) * 1982-11-03 1986-06-11 Gelman Sciences, Inc. Improved process for removing pyrogens utilizing a hydrophobic microporous membrane
DE3301268A1 (de) * 1983-01-17 1984-07-26 Akzo Gmbh, 5600 Wuppertal Verfahren und vorrichtung zum herstellen von hohlfadenbuendeln
EP0133882B1 (de) * 1983-07-30 1990-04-04 Akzo Patente GmbH Poren aufweisende Formkörper
JPS6190705A (ja) * 1984-10-09 1986-05-08 Terumo Corp 中空糸膜の製造方法
US4778601A (en) * 1984-10-09 1988-10-18 Millipore Corporation Microporous membranes of ultrahigh molecular weight polyethylene
EP0193318B1 (en) * 1985-02-25 1990-12-19 Tonen Corporation Microporous membrane of ultra-high molecular weight alpha-olefin polymer
JPH0775622B2 (ja) * 1985-07-16 1995-08-16 テルモ株式会社 人工肺用中空糸膜、その製造方法およびその中空糸膜を用いた人工肺
US4609584A (en) * 1985-09-19 1986-09-02 Minnesota Mining And Manufacturing Company Absorptive devices
US4726989A (en) * 1986-12-11 1988-02-23 Minnesota Mining And Manufacturing Microporous materials incorporating a nucleating agent and methods for making same
US4867881A (en) * 1987-09-14 1989-09-19 Minnesota Minning And Manufacturing Company Orientied microporous film
BR8907138A (pt) * 1988-11-10 1991-02-13 Memtec Ltd Processo de preparacao de material polimerico poroso e produto resultante
JPH1092444A (ja) 1996-09-13 1998-04-10 Japan Gore Tex Inc 電気化学反応装置用固体高分子電解質複合体及びそれを用いた電気化学反応装置
US6277104B1 (en) 1997-08-25 2001-08-21 Mcneil-Ppc, Inc. Air permeable, liquid impermeable barrier structures and products made therefrom
US6635384B2 (en) 1998-03-06 2003-10-21 Gore Enterprise Holdings, Inc. Solid electrolyte composite for electrochemical reaction apparatus

Also Published As

Publication number Publication date
NL7905816A (nl) 1980-02-04
IT7949805A0 (it) 1979-07-19
DK152439B (da) 1988-02-29
FI792365A (fi) 1980-02-01
AU531433B2 (en) 1983-08-25
FR2432329B1 (es) 1984-01-27
SE7906441L (sv) 1980-02-01
NO153879C (no) 1986-06-11
FI70733C (fi) 1986-10-06
ES482967A0 (es) 1980-12-01
NO792308L (no) 1980-02-01
BR7904888A (pt) 1980-04-22
GB2026381A (en) 1980-02-06
GB2026381B (en) 1982-08-18
NL189969B (nl) 1993-04-16
NL189969C (nl) 1993-09-16
DK314779A (da) 1980-02-01
AU4932879A (en) 1980-02-07
DK152439C (da) 1988-09-12
CA1140308A (en) 1983-02-01
FI70733B (fi) 1986-06-26
FR2432329A1 (fr) 1980-02-29
ES8101135A1 (es) 1980-12-01
IT1118157B (it) 1986-02-24
NO153879B (no) 1986-03-03
LU81555A1 (de) 1979-10-31

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