ZA793771B - Membrane having a porous surface - Google Patents

Membrane having a porous surface

Info

Publication number
ZA793771B
ZA793771B ZA00793771A ZA793771A ZA793771B ZA 793771 B ZA793771 B ZA 793771B ZA 00793771 A ZA00793771 A ZA 00793771A ZA 793771 A ZA793771 A ZA 793771A ZA 793771 B ZA793771 B ZA 793771B
Authority
ZA
South Africa
Prior art keywords
membrane
porous surface
porous
Prior art date
Application number
ZA00793771A
Inventor
K Gerlach
E 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
Publication of ZA793771B publication Critical patent/ZA793771B/en

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
    • 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
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Artificial Filaments (AREA)
ZA00793771A 1978-07-31 1979-07-24 Membrane having a porous surface ZA793771B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2833493A DE2833493C2 (en) 1978-07-31 1978-07-31 Hollow filaments

Publications (1)

Publication Number Publication Date
ZA793771B true ZA793771B (en) 1980-07-30

Family

ID=6045823

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00793771A ZA793771B (en) 1978-07-31 1979-07-24 Membrane having a porous surface

Country Status (3)

Country Link
BE (1) BE877929A (en)
DE (1) DE2833493C2 (en)
ZA (1) ZA793771B (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3026718A1 (en) * 1980-07-15 1982-02-04 Akzo Gmbh, 5600 Wuppertal HOLLOW FIBER MEMBRANE FOR PLASMA SEPARATION
DE3049557A1 (en) * 1980-12-31 1982-07-29 Akzo Gmbh, 5600 Wuppertal POROESE TUBES
DE3129064A1 (en) * 1981-07-23 1983-02-10 Akzo Gmbh, 5600 Wuppertal Method and device for the oxygenation of blood
DE3135179A1 (en) * 1981-09-05 1983-03-24 Akzo Gmbh, 5600 Wuppertal Apparatus for the storage of moisture-containing articles
DE3214667C2 (en) * 1982-04-21 1985-07-18 Akzo Gmbh, 5600 Wuppertal Composite body for the long-term delivery of active ingredients
DE3301268A1 (en) * 1983-01-17 1984-07-26 Akzo Gmbh, 5600 Wuppertal METHOD AND DEVICE FOR PRODUCING HOLLOW BANDS
DE3327638C2 (en) * 1983-07-30 1986-08-07 Akzo Gmbh, 5600 Wuppertal Method and device for the production of shaped bodies having pores
DE3481817D1 (en) * 1983-07-30 1990-05-10 Akzo Gmbh POROUS MOLDED BODIES.
DE3829766A1 (en) * 1988-09-01 1990-03-22 Akzo Gmbh METHOD FOR PRODUCING MEMBRANES
KR950002826B1 (en) * 1991-08-09 1995-03-27 한국과학기술연구원 Process for the preparation of porous polyolefin separation membranes via thermally-induced phase separation
DE19520188C2 (en) * 1995-06-01 1999-04-08 Geesthacht Gkss Forschung Process for the production of polymer hollow fiber membranes
EP0999889B1 (en) 1997-07-23 2008-09-17 Membrana GmbH Integrally asymmetrical polyolefin membrane for gas transfer
CA2359050C (en) 1999-01-21 2007-05-29 Membrana Gmbh Integrally asymmetrical polyolefin membrane
AU747646B2 (en) 1999-01-22 2002-05-16 3M Innovative Properties Company Method for producing an integrally asymmetrical polyolefin membrane
WO2003061812A2 (en) 2002-01-24 2003-07-31 Membrana Gmbh Polyolefin membrane with an integrally asymmetric structure and method for the production thereof
DE102005026604A1 (en) * 2005-06-09 2006-12-14 Membrana Gmbh Method for dissolving gases with short-lived physical properties in a liquid
EP2196254B1 (en) 2008-12-12 2011-10-12 Membrana GmbH Hydrophobic ozone-stable PVDF membrane with high mechanical stability
JP6438012B2 (en) 2013-05-29 2018-12-12 スリーエム イノベイティブ プロパティズ カンパニー Microporous polyvinylidene fluoride membrane
CN105916531B (en) 2013-11-13 2017-10-13 3M创新有限公司 Pouch-shaped wound dressing system
EP3068456B1 (en) 2013-11-13 2019-08-28 3M Innovative Properties Company Wound care system with a mat made of capillary membranes
EP3093031A1 (en) 2015-05-11 2016-11-16 3M Innovative Properties Company Wound care system
EP3092987A1 (en) 2015-05-11 2016-11-16 3M Innovative Properties Company System for treatment of wounds using serum
EP3093032B1 (en) 2015-05-11 2018-09-19 3M Innovative Properties Company System and method for obtaining serum
DE102022128814A1 (en) 2022-10-31 2024-05-02 InnoSpire Technologies GmbH Ready mix for the production of microporous structures

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR677204A (en) * 1928-06-30 1930-03-05 Kohorn Oscar & Co Process for the production of honeycomb silk
NL31415C (en) * 1929-06-14
NL274565A (en) * 1961-02-10
US3513110A (en) * 1965-07-26 1970-05-19 Celanese Corp Open-celled low density filamentary material
US4020230A (en) * 1975-10-03 1977-04-26 The Dow Chemical Company Microporous polyethylene hollow fibers and process of preparing them
DE2550080B2 (en) * 1975-11-07 1978-03-09 Akzo Gmbh, 5600 Wuppertal Process for the production of filaments with discontinuous voids

Also Published As

Publication number Publication date
BE877929A (en) 1979-11-16
DE2833493C2 (en) 1989-10-12
DE2833493A1 (en) 1980-02-07

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