JPH0344566B2 - - Google Patents
Info
- Publication number
- JPH0344566B2 JPH0344566B2 JP59000822A JP82284A JPH0344566B2 JP H0344566 B2 JPH0344566 B2 JP H0344566B2 JP 59000822 A JP59000822 A JP 59000822A JP 82284 A JP82284 A JP 82284A JP H0344566 B2 JPH0344566 B2 JP H0344566B2
- Authority
- JP
- Japan
- Prior art keywords
- glycolide
- polyglycolic acid
- melting point
- polymerization
- melting
- 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
- RKDVKSZUMVYZHH-UHFFFAOYSA-N 1,4-dioxane-2,5-dione Chemical compound O=C1COC(=O)CO1 RKDVKSZUMVYZHH-UHFFFAOYSA-N 0.000 claims description 31
- 238000002844 melting Methods 0.000 claims description 25
- 230000008018 melting Effects 0.000 claims description 25
- 229920000954 Polyglycolide Polymers 0.000 claims description 22
- 239000004633 polyglycolic acid Substances 0.000 claims description 22
- 241001550224 Apha Species 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 6
- 238000006116 polymerization reaction Methods 0.000 description 14
- 239000007789 gas Substances 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 229920001296 polysiloxane Polymers 0.000 description 3
- KSBAEPSJVUENNK-UHFFFAOYSA-L tin(ii) 2-ethylhexanoate Chemical compound [Sn+2].CCCCC(CC)C([O-])=O.CCCCC(CC)C([O-])=O KSBAEPSJVUENNK-UHFFFAOYSA-L 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 239000012086 standard solution Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- TXUICONDJPYNPY-UHFFFAOYSA-N (1,10,13-trimethyl-3-oxo-4,5,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl) heptanoate Chemical compound C1CC2CC(=O)C=C(C)C2(C)C2C1C1CCC(OC(=O)CCCCCC)C1(C)CC2 TXUICONDJPYNPY-UHFFFAOYSA-N 0.000 description 1
- ODNBVEIAQAZNNM-UHFFFAOYSA-N 1-(6-chloroimidazo[1,2-b]pyridazin-3-yl)ethanone Chemical compound C1=CC(Cl)=NN2C(C(=O)C)=CN=C21 ODNBVEIAQAZNNM-UHFFFAOYSA-N 0.000 description 1
- HSQFVBWFPBKHEB-UHFFFAOYSA-N 2,3,4-trichlorophenol Chemical compound OC1=CC=C(Cl)C(Cl)=C1Cl HSQFVBWFPBKHEB-UHFFFAOYSA-N 0.000 description 1
- GUNJVIDCYZYFGV-UHFFFAOYSA-K Antimony trifluoride Inorganic materials F[Sb](F)F GUNJVIDCYZYFGV-UHFFFAOYSA-K 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 229930040373 Paraformaldehyde Natural products 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229910021626 Tin(II) chloride Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- -1 aliphatic alcohols Chemical class 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229920002866 paraformaldehyde Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 235000011150 stannous chloride Nutrition 0.000 description 1
- 239000001119 stannous chloride Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
Landscapes
- Materials For Medical Uses (AREA)
- Polyesters Or Polycarbonates (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Medicinal Preparation (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59000822A JPS60144325A (ja) | 1984-01-09 | 1984-01-09 | ポリグリコール酸製造におけるグリコライドの検定方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59000822A JPS60144325A (ja) | 1984-01-09 | 1984-01-09 | ポリグリコール酸製造におけるグリコライドの検定方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60144325A JPS60144325A (ja) | 1985-07-30 |
| JPH0344566B2 true JPH0344566B2 (fr) | 1991-07-08 |
Family
ID=11484345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59000822A Granted JPS60144325A (ja) | 1984-01-09 | 1984-01-09 | ポリグリコール酸製造におけるグリコライドの検定方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60144325A (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5412067A (en) * | 1993-05-10 | 1995-05-02 | Mitsui Toatsu Chemicals, Inc. | Preparation process of polyester |
| TWI306870B (fr) * | 2001-07-10 | 2009-03-01 | Kureha Corp |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5898329A (ja) * | 1981-12-07 | 1983-06-11 | Mitsui Toatsu Chem Inc | 粉末または顆粒状ポリグリコ−ル酸の製造方法 |
-
1984
- 1984-01-09 JP JP59000822A patent/JPS60144325A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5898329A (ja) * | 1981-12-07 | 1983-06-11 | Mitsui Toatsu Chem Inc | 粉末または顆粒状ポリグリコ−ル酸の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60144325A (ja) | 1985-07-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |