NL7907212A - Holle-vezel-dialysemembraan met verbeterd uitwisselingsoppervlak. - Google Patents
Holle-vezel-dialysemembraan met verbeterd uitwisselingsoppervlak. Download PDFInfo
- Publication number
- NL7907212A NL7907212A NL7907212A NL7907212A NL7907212A NL 7907212 A NL7907212 A NL 7907212A NL 7907212 A NL7907212 A NL 7907212A NL 7907212 A NL7907212 A NL 7907212A NL 7907212 A NL7907212 A NL 7907212A
- Authority
- NL
- Netherlands
- Prior art keywords
- hollow fiber
- dialysis membrane
- hollow
- membrane according
- spinneret
- Prior art date
Links
- 239000012510 hollow fiber Substances 0.000 title claims description 104
- 239000012528 membrane Substances 0.000 title claims description 61
- 238000000502 dialysis Methods 0.000 title claims description 55
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 45
- 239000000835 fiber Substances 0.000 claims description 43
- 229920002678 cellulose Polymers 0.000 claims description 33
- 239000001913 cellulose Substances 0.000 claims description 33
- DBNPDRYVYQWGFW-UHFFFAOYSA-N N.[Cu]=O Chemical compound N.[Cu]=O DBNPDRYVYQWGFW-UHFFFAOYSA-N 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 17
- 239000011796 hollow space material Substances 0.000 claims description 16
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 10
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 9
- 238000009987 spinning Methods 0.000 claims description 9
- 230000007423 decrease Effects 0.000 claims description 7
- 239000004627 regenerated cellulose Substances 0.000 claims description 6
- 230000001154 acute effect Effects 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 5
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 239000003463 adsorbent Substances 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 claims 1
- 239000000243 solution Substances 0.000 description 15
- 230000015271 coagulation Effects 0.000 description 7
- 238000005345 coagulation Methods 0.000 description 7
- 238000001631 haemodialysis Methods 0.000 description 6
- 230000000322 hemodialysis Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- HIQIXEFWDLTDED-UHFFFAOYSA-N 4-hydroxy-1-piperidin-4-ylpyrrolidin-2-one Chemical compound O=C1CC(O)CN1C1CCNCC1 HIQIXEFWDLTDED-UHFFFAOYSA-N 0.000 description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 3
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 239000004202 carbamide Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004060 metabolic process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000000108 ultra-filtration Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 239000005662 Paraffin oil Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- -1 for example Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 150000005826 halohydrocarbons Chemical class 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000010998 test method Methods 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
- 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
- B01D69/087—Details relating to the spinning process
-
- 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
- B01D71/08—Polysaccharides
- B01D71/10—Cellulose; Modified cellulose
-
- 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
- D01D5/20—Formation of filaments, threads, or the like with varying denier along their length
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2842957 | 1978-10-02 | ||
| DE7829409 | 1978-10-02 | ||
| DE7829409U DE7829409U1 (de) | 1978-10-02 | 1978-10-02 | Dialysemembranhohlfaden mit größerer Austauschfläche |
| DE19782842957 DE2842957A1 (de) | 1978-10-02 | 1978-10-02 | Dialysemembranhohlfaden mit groesserer austauschflaeche |
| DE2848601A DE2848601C2 (de) | 1978-10-02 | 1978-11-09 | Dialysemembranhohlfaden mit stabilisierter Wanddicke |
| DE2848601 | 1978-11-09 | ||
| DE7838339 | 1978-12-23 | ||
| DE7838339 | 1978-12-23 | ||
| DE2906576A DE2906576C2 (de) | 1978-10-02 | 1979-02-21 | Verfahren zum Spinnen von Hohlfäden |
| DE2906576 | 1979-02-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7907212A true NL7907212A (nl) | 1980-04-08 |
Family
ID=27510546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7907212A NL7907212A (nl) | 1978-10-02 | 1979-09-28 | Holle-vezel-dialysemembraan met verbeterd uitwisselingsoppervlak. |
Country Status (5)
| Country | Link |
|---|---|
| FR (1) | FR2437859B1 (it) |
| GB (1) | GB2032840B (it) |
| IT (1) | IT1164713B (it) |
| LU (1) | LU81734A1 (it) |
| NL (1) | NL7907212A (it) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3049247A1 (de) * | 1980-12-27 | 1982-07-29 | Akzo Gmbh, 5600 Wuppertal | Dialysemembranhohlfaden |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2999296A (en) * | 1957-03-25 | 1961-09-12 | Du Pont | Novel filaments and fabrics |
| US3772137A (en) * | 1968-09-30 | 1973-11-13 | Du Pont | Polyester pillow batt |
| US3888771A (en) * | 1972-06-02 | 1975-06-10 | Asahi Chemical Ind | Hollow fibers of cuprammonium cellulose and a process of the manufacture of same |
| GB1481064A (en) * | 1973-08-30 | 1977-07-27 | Teijin Ltd | Membrane apparatus for treating fluids |
| GB1566581A (en) * | 1975-12-29 | 1980-05-08 | Nippon Zeon Co | Hollow fibres and methods of manufacturing such fibres |
| US4086418A (en) * | 1976-02-27 | 1978-04-25 | International Telephone And Telegraph Corporation | Process for producing a regenerated hollow cellulosic fiber |
| DE2705734C3 (de) * | 1977-02-11 | 1982-04-22 | Akzo Gmbh, 5600 Wuppertal | Dialysemembran für die Hämodialyse |
| IL52259A (en) * | 1976-06-22 | 1981-02-27 | Akzo Nv | Dialysis membrane and its manufacture |
| DE2705733C2 (de) * | 1977-02-11 | 1982-07-22 | Akzo Gmbh, 5600 Wuppertal | Dialysemembran für die Hämodialyse |
| FR2380052A1 (fr) * | 1977-02-11 | 1978-09-08 | Akzo Nv | Membrane de dialyse pour l'hemodialyse |
| DE2705735C3 (de) * | 1977-02-11 | 1982-05-19 | Akzo Gmbh, 5600 Wuppertal | Dialysemembran für die Hämodialyse |
-
1979
- 1979-09-28 NL NL7907212A patent/NL7907212A/nl not_active Application Discontinuation
- 1979-09-28 LU LU81734A patent/LU81734A1/de unknown
- 1979-10-01 FR FR7924430A patent/FR2437859B1/fr not_active Expired
- 1979-10-01 IT IT50415/79A patent/IT1164713B/it active
- 1979-10-02 GB GB7934085A patent/GB2032840B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2437859A1 (fr) | 1980-04-30 |
| FR2437859B1 (fr) | 1988-04-29 |
| IT1164713B (it) | 1987-04-15 |
| LU81734A1 (de) | 1980-01-24 |
| IT7950415A0 (it) | 1979-10-01 |
| GB2032840B (en) | 1983-02-16 |
| GB2032840A (en) | 1980-05-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A85 | Still pending on 85-01-01 | ||
| BV | The patent application has lapsed |