DE2833623C2 - - Google Patents
Info
- Publication number
- DE2833623C2 DE2833623C2 DE2833623A DE2833623A DE2833623C2 DE 2833623 C2 DE2833623 C2 DE 2833623C2 DE 2833623 A DE2833623 A DE 2833623A DE 2833623 A DE2833623 A DE 2833623A DE 2833623 C2 DE2833623 C2 DE 2833623C2
- Authority
- DE
- Germany
- Prior art keywords
- liquid
- temperature
- polymer
- inert liquid
- bath
- 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
Links
- 239000007788 liquid Substances 0.000 claims description 46
- 229920000642 polymer Polymers 0.000 claims description 33
- 239000011148 porous material Substances 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 24
- 239000000203 mixture Substances 0.000 claims description 17
- 238000000926 separation method Methods 0.000 claims description 15
- 229910002056 binary alloy Inorganic materials 0.000 claims description 10
- 230000035699 permeability Effects 0.000 claims description 10
- -1 polypropylene Polymers 0.000 claims description 9
- 239000012071 phase Substances 0.000 claims description 8
- 239000007791 liquid phase Substances 0.000 claims description 7
- 239000012528 membrane Substances 0.000 claims description 6
- 239000004743 Polypropylene Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 229920001155 polypropylene Polymers 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 4
- 238000005204 segregation Methods 0.000 claims description 4
- 238000001471 micro-filtration Methods 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 2
- 239000011888 foil Substances 0.000 description 13
- 239000008240 homogeneous mixture Substances 0.000 description 9
- 239000000126 substance Substances 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 238000010587 phase diagram Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000502 dialysis Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 238000000108 ultra-filtration Methods 0.000 description 2
- MJWIPTSHMLSLFE-UHFFFAOYSA-N 2-[hexadecyl(2-hydroxyethyl)amino]ethanol Chemical compound CCCCCCCCCCCCCCCCN(CCO)CCO MJWIPTSHMLSLFE-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 229920002292 Nylon 6 Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 229920002396 Polyurea Polymers 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 230000001464 adherent effect Effects 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000002649 leather substitute Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920006380 polyphenylene oxide Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920003226 polyurethane urea Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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)
- 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)
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 |
| 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. |
| LU81555A LU81555A1 (de) | 1978-07-31 | 1979-07-27 | Membran mit poroeser oberflaeche |
| AU49328/79A AU531433B2 (en) | 1978-07-31 | 1979-07-27 | Membrane having smooth porous surface |
| FI792365A FI70733C (fi) | 1978-07-31 | 1979-07-27 | Membran med poroes yta foerfarande foer dess framstaellning oc dess anvaendning |
| GB7926410A GB2026381B (en) | 1978-07-31 | 1979-07-30 | Membrane having a porous surface |
| 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 |
| 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 |
| CA000332858A CA1140308A (en) | 1978-07-31 | 1979-07-30 | Membrane with porous surface |
| ES482967A ES8101135A1 (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 |
| 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 DE2833623A1 (de) | 1980-03-13 |
| DE2833623C2 true DE2833623C2 (ja) | 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 (ja) |
| AT (1) | AT378128B (ja) |
| DE (1) | DE2833623A1 (ja) |
Families Citing this family (4)
| 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 |
| US4490431A (en) * | 1982-11-03 | 1984-12-25 | Akzona Incorporated | 0.1 Micron rated polypropylene membrane and method for its preparation |
| DE3327638C2 (de) * | 1983-07-30 | 1986-08-07 | Akzo Gmbh, 5600 Wuppertal | Verfahren und Vorrichtung zur Herstellung Poren aufweisender Formkörper |
| DE3829766A1 (de) * | 1988-09-01 | 1990-03-22 | Akzo Gmbh | Verfahren zur herstellung von membranen |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3378507A (en) * | 1961-12-20 | 1968-04-16 | Gen Electric | Producing microporous polymers |
| NL6408338A (ja) * | 1963-07-26 | 1965-01-27 | ||
| DE1941293C3 (de) * | 1969-08-14 | 1975-10-16 | Dunlop Ag, 6450 Hanau | Verfahren zur Herstellung von textlien Flächengebilden oder textlien Formkörpern von schaumförmiger oder faseriger Struktur |
| JPS5090579A (ja) * | 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 |
-
1978
- 1978-07-31 DE DE19782833623 patent/DE2833623A1/de active Granted
-
1979
- 1979-07-23 AT AT0506179A patent/AT378128B/de not_active IP Right Cessation
- 1979-07-31 JP JP9690579A patent/JPS5522398A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| ATA506179A (de) | 1984-11-15 |
| JPS5522398A (en) | 1980-02-18 |
| AT378128B (de) | 1985-06-25 |
| DE2833623A1 (de) | 1980-03-13 |
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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 |