GB2026381B - Membrane having a porous surface - Google Patents

Membrane having a porous surface

Info

Publication number
GB2026381B
GB2026381B GB7926410A GB7926410A GB2026381B GB 2026381 B GB2026381 B GB 2026381B GB 7926410 A GB7926410 A GB 7926410A GB 7926410 A GB7926410 A GB 7926410A GB 2026381 B GB2026381 B GB 2026381B
Authority
GB
United Kingdom
Prior art keywords
membrane
porous surface
porous
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.)
Expired
Application number
GB7926410A
Other languages
English (en)
Other versions
GB2026381A (en
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 NV
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 DE2833493A external-priority patent/DE2833493C2/de
Priority claimed from DE19782833623 external-priority patent/DE2833623A1/de
Application filed by Akzo NV filed Critical Akzo NV
Publication of GB2026381A publication Critical patent/GB2026381A/en
Application granted granted Critical
Publication of GB2026381B publication Critical patent/GB2026381B/en
Expired 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)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Textile Engineering (AREA)
  • Materials Engineering (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Artificial Filaments (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
GB7926410A 1978-07-31 1979-07-30 Membrane having a porous surface Expired GB2026381B (en)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
GB2026381A GB2026381A (en) 1980-02-06
GB2026381B true GB2026381B (en) 1982-08-18

Family

ID=25775227

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7926410A Expired GB2026381B (en) 1978-07-31 1979-07-30 Membrane having a porous surface

Country Status (14)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7931995B2 (en) 1997-09-12 2011-04-26 Gore Enterprise Holdings, Inc. Solid electrolyte composite for electrochemical reaction apparatus

Families Citing this family (21)

* 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
US4539256A (en) * 1982-09-09 1985-09-03 Minnesota Mining And Manufacturing Co. Microporous sheet material, method of making and articles made therewith
CA1226112A (en) * 1982-09-09 1987-09-01 Minnesota Mining And Manufacturing Company Microporous sheet material, method of making and articles made therewith
ZA837304B (en) * 1982-09-30 1985-05-29 Extracorporeal Med Spec Semipermeable membranes and method of making the same
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
DE3481817D1 (de) * 1983-07-30 1990-05-10 Akzo Gmbh Poren aufweisende formkoerper.
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
JP2981752B2 (ja) * 1988-11-10 1999-11-22 メンティック・リミテッド 高分子多孔性中空繊維製造方法及びこれに用いる装置
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7931995B2 (en) 1997-09-12 2011-04-26 Gore Enterprise Holdings, Inc. Solid electrolyte composite for electrochemical reaction apparatus

Also Published As

Publication number Publication date
AU4932879A (en) 1980-02-07
CH644789A5 (de) 1984-08-31
NO153879C (no) 1986-06-11
ES482967A0 (es) 1980-12-01
IT1118157B (it) 1986-02-24
GB2026381A (en) 1980-02-06
FR2432329B1 (nl) 1984-01-27
NL189969B (nl) 1993-04-16
DK314779A (da) 1980-02-01
FI70733B (fi) 1986-06-26
BR7904888A (pt) 1980-04-22
FI70733C (fi) 1986-10-06
IT7949805A0 (it) 1979-07-19
NL7905816A (nl) 1980-02-04
NO153879B (no) 1986-03-03
AU531433B2 (en) 1983-08-25
SE7906441L (sv) 1980-02-01
NO792308L (no) 1980-02-01
FI792365A (fi) 1980-02-01
NL189969C (nl) 1993-09-16
DK152439C (da) 1988-09-12
DK152439B (da) 1988-02-29
ES8101135A1 (es) 1980-12-01
LU81555A1 (de) 1979-10-31
FR2432329A1 (fr) 1980-02-29
CA1140308A (en) 1983-02-01

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Legal Events

Date Code Title Description
PG Patent granted