CH632169A5 - Microporous hollow fibres and manufacture thereof - Google Patents
Microporous hollow fibres and manufacture thereof Download PDFInfo
- Publication number
- CH632169A5 CH632169A5 CH504377A CH504377A CH632169A5 CH 632169 A5 CH632169 A5 CH 632169A5 CH 504377 A CH504377 A CH 504377A CH 504377 A CH504377 A CH 504377A CH 632169 A5 CH632169 A5 CH 632169A5
- Authority
- CH
- Switzerland
- Prior art keywords
- fibers
- ester
- mixture
- polyethylene
- per
- Prior art date
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- 238000000034 method Methods 0.000 claims description 74
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- 229920001684 low density polyethylene Polymers 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
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- XMLQWXUVTXCDDL-UHFFFAOYSA-N oleyl alcohol Natural products CCCCCCC=CCCCCCCCCCCO XMLQWXUVTXCDDL-UHFFFAOYSA-N 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
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- LQAVWYMTUMSFBE-UHFFFAOYSA-N pent-4-en-1-ol Chemical compound OCCCC=C LQAVWYMTUMSFBE-UHFFFAOYSA-N 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
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- 125000005498 phthalate group Chemical class 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 1
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- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
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- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
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- 238000007712 rapid solidification Methods 0.000 description 1
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- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000005549 size reduction Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
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- 239000011593 sulfur Substances 0.000 description 1
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- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- CXWXQJXEFPUFDZ-UHFFFAOYSA-N tetralin Chemical compound C1=CC=C2CCCCC2=C1 CXWXQJXEFPUFDZ-UHFFFAOYSA-N 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/46—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polyolefins
-
- 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
- B01D67/0025—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching
- B01D67/0027—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching by stretching
-
- 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
- B01D69/08—Hollow fibre membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/26—Polyalkenes
- B01D71/261—Polyethylene
-
- 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
-
- 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
- D01D5/247—Discontinuous hollow structure or microporous structure
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/08—Addition of substances to the spinning solution or to the melt for forming hollow filaments
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F6/04—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Artificial Filaments (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU24436/77A AU508669B2 (en) | 1977-04-20 | 1977-04-20 | Microporous hollow polyethylene fibers |
| NLAANVRAGE7704427,A NL187967C (nl) | 1977-04-20 | 1977-04-22 | Werkwijze voor het vervaardigen van een microporeuze holle vezel. |
| GB16919/77A GB1558856A (en) | 1977-04-20 | 1977-04-22 | Microporus polyethylene hollow fibres and process for preparing them |
| CH504377A CH632169A5 (en) | 1977-04-20 | 1977-04-22 | Microporous hollow fibres and manufacture thereof |
| FR7712320A FR2388065A1 (fr) | 1977-04-20 | 1977-04-22 | Fibres creuses de polyethylene, microporeuses, et leur procede de fabrication |
| DE19772718155 DE2718155A1 (de) | 1977-04-20 | 1977-04-23 | Mikroporoese polyaethylen-hohlfaser und verfahren zu ihrer herstellung |
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU24436/77A AU508669B2 (en) | 1977-04-20 | 1977-04-20 | Microporous hollow polyethylene fibers |
| NLAANVRAGE7704427,A NL187967C (nl) | 1977-04-20 | 1977-04-22 | Werkwijze voor het vervaardigen van een microporeuze holle vezel. |
| GB16919/77A GB1558856A (en) | 1977-04-20 | 1977-04-22 | Microporus polyethylene hollow fibres and process for preparing them |
| CH504377A CH632169A5 (en) | 1977-04-20 | 1977-04-22 | Microporous hollow fibres and manufacture thereof |
| FR7712320A FR2388065A1 (fr) | 1977-04-20 | 1977-04-22 | Fibres creuses de polyethylene, microporeuses, et leur procede de fabrication |
| DE19772718155 DE2718155A1 (de) | 1977-04-20 | 1977-04-23 | Mikroporoese polyaethylen-hohlfaser und verfahren zu ihrer herstellung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH632169A5 true CH632169A5 (en) | 1982-09-30 |
Family
ID=27542612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH504377A CH632169A5 (en) | 1977-04-20 | 1977-04-22 | Microporous hollow fibres and manufacture thereof |
Country Status (6)
| Country | Link |
|---|---|
| AU (1) | AU508669B2 (enrdf_load_stackoverflow) |
| CH (1) | CH632169A5 (enrdf_load_stackoverflow) |
| DE (1) | DE2718155A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2388065A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1558856A (enrdf_load_stackoverflow) |
| NL (1) | NL187967C (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3026718A1 (de) * | 1980-07-15 | 1982-02-04 | Akzo Gmbh, 5600 Wuppertal | Hohlfasermembran fuer die plasmaseparation |
| US4670341A (en) * | 1985-05-17 | 1987-06-02 | W. R. Grace & Co. | Hollow fiber |
| US4726989A (en) † | 1986-12-11 | 1988-02-23 | Minnesota Mining And Manufacturing | Microporous materials incorporating a nucleating agent and methods for making same |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3423491A (en) * | 1964-09-02 | 1969-01-21 | Dow Chemical Co | Permselective hollow fibers and method of making |
| JPS5215627A (en) * | 1975-07-09 | 1977-02-05 | Mitsubishi Rayon Co Ltd | Porous polypropylene hollow fibers and a process for manufacturing the m |
| US4082658A (en) * | 1977-02-09 | 1978-04-04 | Monsanto Company | Hollow fiber membranes of ethylene copolymers and process for use |
-
1977
- 1977-04-20 AU AU24436/77A patent/AU508669B2/en not_active Expired
- 1977-04-22 NL NLAANVRAGE7704427,A patent/NL187967C/xx not_active IP Right Cessation
- 1977-04-22 FR FR7712320A patent/FR2388065A1/fr active Granted
- 1977-04-22 CH CH504377A patent/CH632169A5/de not_active IP Right Cessation
- 1977-04-22 GB GB16919/77A patent/GB1558856A/en not_active Expired
- 1977-04-23 DE DE19772718155 patent/DE2718155A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2718155C2 (enrdf_load_stackoverflow) | 1987-05-21 |
| DE2718155A1 (de) | 1979-03-15 |
| AU508669B2 (en) | 1980-03-27 |
| FR2388065B1 (enrdf_load_stackoverflow) | 1980-02-01 |
| GB1558856A (en) | 1980-01-09 |
| AU2443677A (en) | 1978-10-26 |
| NL187967C (nl) | 1992-03-02 |
| NL187967B (nl) | 1991-10-01 |
| NL7704427A (nl) | 1978-10-24 |
| FR2388065A1 (fr) | 1978-11-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PFA | Name/firm changed |
Owner name: CD MEDICAL, INC. |
|
| PUE | Assignment |
Owner name: THE DOW CHEMICAL COMPANY |
|
| PL | Patent ceased |