BE877929A - MEMBRANE CONTAINING A POROUS SURFACE USED AS A FILTER OR MEMBRANE SUPPORT FOR SEPARATION - Google Patents

MEMBRANE CONTAINING A POROUS SURFACE USED AS A FILTER OR MEMBRANE SUPPORT FOR SEPARATION

Info

Publication number
BE877929A
BE877929A BE0/196481A BE196481A BE877929A BE 877929 A BE877929 A BE 877929A BE 0/196481 A BE0/196481 A BE 0/196481A BE 196481 A BE196481 A BE 196481A BE 877929 A BE877929 A BE 877929A
Authority
BE
Belgium
Prior art keywords
membrane
separation
filter
porous surface
surface used
Prior art date
Application number
BE0/196481A
Other languages
French (fr)
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 BE877929A publication Critical patent/BE877929A/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
    • 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
    • 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
BE0/196481A 1978-07-31 1979-07-27 MEMBRANE CONTAINING A POROUS SURFACE USED AS A FILTER OR MEMBRANE SUPPORT FOR SEPARATION BE877929A (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
BE877929A true BE877929A (en) 1979-11-16

Family

ID=6045823

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/196481A BE877929A (en) 1978-07-31 1979-07-27 MEMBRANE CONTAINING A POROUS SURFACE USED AS A FILTER OR MEMBRANE SUPPORT FOR SEPARATION

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
EP0133882B1 (en) * 1983-07-30 1990-04-04 Akzo Patente GmbH Moulded articles with pores
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
AU737347B2 (en) 1997-07-23 2001-08-16 3M Innovative Properties Company Integrally asymmetrical polyolefin membrane for gas exchange
KR100654083B1 (en) 1999-01-21 2006-12-07 멤브라나 게엠베하 A process for producing an integrally asymmetrical hydrophobic membrane, an integrally asymmetrical hydrophobic membrane obtained from the process, and a process for the gas transfer using the membrane
US6375876B1 (en) 1999-01-22 2002-04-23 Membrana Gmbh Method for producing an integrally asymmetrical polyolefin membrane
DE50304738D1 (en) 2002-01-24 2006-10-05 Membrana Gmbh PROCESS FOR PREPARING POLYOLEFINMEMBRANAS WITH INTEGRAL ASYMMETRIC STRUCTURE
DE102005026604A1 (en) * 2005-06-09 2006-12-14 Membrana Gmbh Method for dissolving gases with short-lived physical properties in a liquid
ES2373251T3 (en) 2008-12-12 2012-02-01 Membrana Gmbh STABLE PVDF HYDROPHOBE MEMBRANE AGAINST THE OZONE, WITH HIGH MECHANICAL STABILITY.
CN105473214B (en) 2013-05-29 2018-06-15 3M创新资产公司 Micropore PVDF membrane
JP6453879B2 (en) 2013-11-13 2019-01-16 スリーエム イノベイティブ プロパティズ カンパニー Wound care system with capillary membrane mat
JP6525997B2 (en) 2013-11-13 2019-06-05 スリーエム イノベイティブ プロパティズ カンパニー Bag type wound dressing system
EP3093032B1 (en) 2015-05-11 2018-09-19 3M Innovative Properties Company System and method for obtaining serum
EP3092987A1 (en) 2015-05-11 2016-11-16 3M Innovative Properties Company System for treatment of wounds using serum
EP3093031A1 (en) 2015-05-11 2016-11-16 3M Innovative Properties Company Wound care system
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
NL128691C (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
DE2833493A1 (en) 1980-02-07
ZA793771B (en) 1980-07-30
DE2833493C2 (en) 1989-10-12

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: AKZO N.V.

Effective date: 19860731