JPH0470939B2 - - Google Patents
Info
- Publication number
- JPH0470939B2 JPH0470939B2 JP59127279A JP12727984A JPH0470939B2 JP H0470939 B2 JPH0470939 B2 JP H0470939B2 JP 59127279 A JP59127279 A JP 59127279A JP 12727984 A JP12727984 A JP 12727984A JP H0470939 B2 JPH0470939 B2 JP H0470939B2
- Authority
- JP
- Japan
- Prior art keywords
- component
- membrane
- phb
- pore size
- microporous membrane
- 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 - Lifetime
Links
- 239000012982 microporous membrane Substances 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 229920000620 organic polymer Polymers 0.000 claims description 10
- 239000002904 solvent Substances 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 8
- WHBMMWSBFZVSSR-UHFFFAOYSA-N 3-hydroxybutyric acid Chemical group CC(O)CC(O)=O WHBMMWSBFZVSSR-UHFFFAOYSA-N 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 5
- 229920000728 polyester Polymers 0.000 claims description 4
- 229920001169 thermoplastic Polymers 0.000 claims description 4
- 239000004416 thermosoftening plastic Substances 0.000 claims description 4
- 239000008240 homogeneous mixture Substances 0.000 claims description 2
- 239000011148 porous material Substances 0.000 description 33
- 239000012528 membrane Substances 0.000 description 32
- 229920000331 Polyhydroxybutyrate Polymers 0.000 description 22
- 239000005015 poly(hydroxybutyrate) Substances 0.000 description 22
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 16
- 238000000034 method Methods 0.000 description 16
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 10
- 239000004926 polymethyl methacrylate Substances 0.000 description 10
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- 238000002156 mixing Methods 0.000 description 7
- 238000004626 scanning electron microscopy Methods 0.000 description 6
- 238000009826 distribution Methods 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 230000001580 bacterial effect Effects 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 235000002639 sodium chloride Nutrition 0.000 description 4
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 3
- 210000004027 cell Anatomy 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000008103 glucose Substances 0.000 description 3
- 239000012510 hollow fiber Substances 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000002560 therapeutic procedure Methods 0.000 description 3
- ALRHLSYJTWAHJZ-UHFFFAOYSA-N 3-hydroxypropionic acid Chemical class OCCC(O)=O ALRHLSYJTWAHJZ-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 230000002429 anti-coagulating effect Effects 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 238000000502 dialysis Methods 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Chemical class CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000019441 ethanol Nutrition 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 150000002430 hydrocarbons Chemical group 0.000 description 2
- KQNPFQTWMSNSAP-UHFFFAOYSA-N isobutyric acid Chemical class CC(C)C(O)=O KQNPFQTWMSNSAP-UHFFFAOYSA-N 0.000 description 2
- 210000003734 kidney Anatomy 0.000 description 2
- 238000009629 microbiological culture Methods 0.000 description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 2
- 239000011118 polyvinyl acetate Substances 0.000 description 2
- 229920002689 polyvinyl acetate Polymers 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- AFENDNXGAFYKQO-VKHMYHEASA-N (S)-2-hydroxybutyric acid Chemical class CC[C@H](O)C(O)=O AFENDNXGAFYKQO-VKHMYHEASA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- AFENDNXGAFYKQO-UHFFFAOYSA-N 2-hydroxybutyric acid Chemical group CCC(O)C(O)=O AFENDNXGAFYKQO-UHFFFAOYSA-N 0.000 description 1
- JRXXEXVXTFEBIY-UHFFFAOYSA-N 3-ethoxypropanoic acid Chemical class CCOCCC(O)=O JRXXEXVXTFEBIY-UHFFFAOYSA-N 0.000 description 1
- 241000589151 Azotobacter Species 0.000 description 1
- 241000589149 Azotobacter vinelandii Species 0.000 description 1
- 229910021591 Copper(I) chloride Inorganic materials 0.000 description 1
- 241000252867 Cupriavidus metallidurans Species 0.000 description 1
- 239000001856 Ethyl cellulose Substances 0.000 description 1
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 description 1
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 description 1
- 239000000020 Nitrocellulose Substances 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- RHQDFWAXVIIEBN-UHFFFAOYSA-N Trifluoroethanol Chemical compound OCC(F)(F)F RHQDFWAXVIIEBN-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229920003232 aliphatic polyester Polymers 0.000 description 1
- VBIXEXWLHSRNKB-UHFFFAOYSA-N ammonium oxalate Chemical compound [NH4+].[NH4+].[O-]C(=O)C([O-])=O VBIXEXWLHSRNKB-UHFFFAOYSA-N 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 229920006125 amorphous polymer Polymers 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000003146 anticoagulant agent Substances 0.000 description 1
- 229940127219 anticoagulant drug Drugs 0.000 description 1
- 239000002473 artificial blood Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 210000000601 blood cell Anatomy 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 235000011148 calcium chloride Nutrition 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- 238000004807 desolvation Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000000921 elemental analysis Methods 0.000 description 1
- 229920001249 ethyl cellulose Polymers 0.000 description 1
- 235000019325 ethyl cellulose Nutrition 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 108010074605 gamma-Globulins Proteins 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 150000002303 glucose derivatives Chemical class 0.000 description 1
- 239000001963 growth medium Substances 0.000 description 1
- 229960002897 heparin Drugs 0.000 description 1
- 229920000669 heparin Polymers 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 125000002887 hydroxy group Chemical class [H]O* 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 229920001220 nitrocellulos Polymers 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- AVTYONGGKAJVTE-OLXYHTOASA-L potassium L-tartrate Chemical compound [K+].[K+].[O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O AVTYONGGKAJVTE-OLXYHTOASA-L 0.000 description 1
- 239000001472 potassium tartrate Substances 0.000 description 1
- 229940111695 potassium tartrate Drugs 0.000 description 1
- 235000011005 potassium tartrates Nutrition 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical class 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
- 238000012827 research and development Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 235000010344 sodium nitrate Nutrition 0.000 description 1
- 239000004317 sodium nitrate Substances 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
Landscapes
- External Artificial Organs (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59127279A JPS618107A (ja) | 1984-06-22 | 1984-06-22 | 微多孔質膜の製造法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59127279A JPS618107A (ja) | 1984-06-22 | 1984-06-22 | 微多孔質膜の製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS618107A JPS618107A (ja) | 1986-01-14 |
| JPH0470939B2 true JPH0470939B2 (enrdf_load_stackoverflow) | 1992-11-12 |
Family
ID=14956044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59127279A Granted JPS618107A (ja) | 1984-06-22 | 1984-06-22 | 微多孔質膜の製造法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS618107A (enrdf_load_stackoverflow) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE8802414D0 (sv) * | 1988-06-27 | 1988-06-28 | Astra Meditec Ab | Nytt kirurgiskt material |
| WO1993005824A1 (en) * | 1991-09-27 | 1993-04-01 | Terumo Kabushiki Kaisha | Flexible member for medical use |
| CH684273A5 (de) * | 1992-02-25 | 1994-08-15 | Weidmann H Ag | Offenporiger dimensionsstabiler Körper. |
| EP2196484B1 (en) | 1997-12-22 | 2012-08-22 | Metabolix, Inc. | Polyhydroxyalkanoate compositions having controlled degradation rates |
| EP1746125B1 (en) * | 2004-04-23 | 2016-07-20 | NTN Corporation | Porous resin article and method for production thereof |
| US20090220426A1 (en) * | 2006-01-30 | 2009-09-03 | Kinki University | Biodegradable Inverted-Opal Structure, Method for Manufacturing and Using the Same, and Medical Implant Comprising the Biodegradable Inverted-Opal Structure |
-
1984
- 1984-06-22 JP JP59127279A patent/JPS618107A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS618107A (ja) | 1986-01-14 |
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