CN1212343C - 环酯开环聚合催化剂及制备方法 - Google Patents
环酯开环聚合催化剂及制备方法 Download PDFInfo
- Publication number
- CN1212343C CN1212343C CN 200310115821 CN200310115821A CN1212343C CN 1212343 C CN1212343 C CN 1212343C CN 200310115821 CN200310115821 CN 200310115821 CN 200310115821 A CN200310115821 A CN 200310115821A CN 1212343 C CN1212343 C CN 1212343C
- Authority
- CN
- China
- Prior art keywords
- lactide
- rac
- opening polymerization
- schiff
- base
- 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.)
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- -1 cyclic ester Chemical class 0.000 title claims abstract description 25
- 238000007151 ring opening polymerisation reaction Methods 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 239000003054 catalyst Substances 0.000 title abstract description 17
- JJTUDXZGHPGLLC-UHFFFAOYSA-N lactide Chemical compound CC1OC(=O)C(C)OC1=O JJTUDXZGHPGLLC-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000002685 polymerization catalyst Substances 0.000 claims abstract description 16
- 229920000747 poly(lactic acid) Polymers 0.000 claims abstract description 13
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 13
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 11
- SMZOGRDCAXLAAR-UHFFFAOYSA-N aluminium isopropoxide Chemical compound [Al+3].CC(C)[O-].CC(C)[O-].CC(C)[O-] SMZOGRDCAXLAAR-UHFFFAOYSA-N 0.000 claims abstract description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000126 substance Substances 0.000 claims description 43
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 41
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 22
- 125000004122 cyclic group Chemical group 0.000 claims description 15
- 238000001291 vacuum drying Methods 0.000 claims description 10
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 239000011261 inert gas Substances 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 238000001556 precipitation Methods 0.000 claims description 2
- 238000001953 recrystallisation Methods 0.000 claims description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims 2
- 125000003253 isopropoxy group Chemical group [H]C([H])([H])C([H])(O*)C([H])([H])[H] 0.000 claims 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims 1
- 239000004626 polylactic acid Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 239000002262 Schiff base Substances 0.000 abstract 2
- 150000004753 Schiff bases Chemical class 0.000 abstract 2
- 230000000379 polymerizing effect Effects 0.000 abstract 1
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 16
- 239000007789 gas Substances 0.000 description 9
- 229920000642 polymer Polymers 0.000 description 9
- 239000004793 Polystyrene Substances 0.000 description 8
- 229910052786 argon Inorganic materials 0.000 description 8
- 238000003808 methanol extraction Methods 0.000 description 8
- 229920002223 polystyrene Polymers 0.000 description 8
- 238000000921 elemental analysis Methods 0.000 description 5
- AVKUERGKIZMTKX-NJBDSQKTSA-N ampicillin Chemical compound C1([C@@H](N)C(=O)N[C@H]2[C@H]3SC([C@@H](N3C2=O)C(O)=O)(C)C)=CC=CC=C1 AVKUERGKIZMTKX-NJBDSQKTSA-N 0.000 description 3
- 229920006125 amorphous polymer Polymers 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000707 stereoselective effect Effects 0.000 description 2
- 229920002988 biodegradable polymer Polymers 0.000 description 1
- 239000004621 biodegradable polymer Substances 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000013268 sustained release Methods 0.000 description 1
- 239000012730 sustained-release form Substances 0.000 description 1
- 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 1
- 230000007704 transition Effects 0.000 description 1
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- Polyesters Or Polycarbonates (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200310115821 CN1212343C (zh) | 2003-11-27 | 2003-11-27 | 环酯开环聚合催化剂及制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200310115821 CN1212343C (zh) | 2003-11-27 | 2003-11-27 | 环酯开环聚合催化剂及制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1544504A CN1544504A (zh) | 2004-11-10 |
CN1212343C true CN1212343C (zh) | 2005-07-27 |
Family
ID=34337386
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 200310115821 Expired - Lifetime CN1212343C (zh) | 2003-11-27 | 2003-11-27 | 环酯开环聚合催化剂及制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN1212343C (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100406491C (zh) * | 2006-03-03 | 2008-07-30 | 中国科学院长春应用化学研究所 | 一种烯醇式丙交酯开环聚合催化剂及制备方法和其用法 |
CN100406492C (zh) * | 2006-03-17 | 2008-07-30 | 中国科学院长春应用化学研究所 | 丙交酯开环聚合催化剂及其制备方法 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100393771C (zh) * | 2006-03-03 | 2008-06-11 | 中国科学院长春应用化学研究所 | 用于丙交酯开环聚合的席夫碱铝催化剂及制备方法和用法 |
CN101665565B (zh) | 2008-09-01 | 2012-01-04 | 南京工业大学 | 一种用卡宾衍生物催化制备聚乳酸的方法 |
CN101665566B (zh) | 2008-09-01 | 2012-01-04 | 南京工业大学 | 一种利用双螺杆挤出机制备聚乳酸及其制品的方法 |
CN101665567B (zh) | 2008-09-01 | 2011-11-23 | 南京工业大学 | 卡宾衍生物催化的环状化合物可调控开环聚合方法 |
CN102627760B (zh) * | 2012-04-12 | 2014-08-06 | 中国科学院长春应用化学研究所 | 一种催化剂组合物及聚乳酸的制备方法 |
CN102786544B (zh) * | 2012-08-28 | 2015-02-04 | 中国科学院长春应用化学研究所 | 席夫碱铝化合物及其制备方法和聚乳酸的制备方法 |
CN105143303A (zh) * | 2013-03-18 | 2015-12-09 | 沙特基础工业公司 | 制备共聚物的方法 |
-
2003
- 2003-11-27 CN CN 200310115821 patent/CN1212343C/zh not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100406491C (zh) * | 2006-03-03 | 2008-07-30 | 中国科学院长春应用化学研究所 | 一种烯醇式丙交酯开环聚合催化剂及制备方法和其用法 |
CN100406492C (zh) * | 2006-03-17 | 2008-07-30 | 中国科学院长春应用化学研究所 | 丙交酯开环聚合催化剂及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
CN1544504A (zh) | 2004-11-10 |
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Owner name: CHANGCHUN APPLIED CHEMICAL TECHNOLOGY HEAD OFFICE, Free format text: FORMER OWNER: CHANGCHUN INST. OF APPLIED CHEMISTRY, CHINESE ACADEMY OF SCIENCES Effective date: 20130624 |
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Effective date of registration: 20130624 Address after: 130022 Changchun people's street, Jilin, No. 5625 Patentee after: Changchun applied chemical science and Technology General Corporation of Chinese Academy of Sciences Address before: 130022 Changchun people's street, Jilin, No. 5625 Patentee before: CHANGCHUN INSTITUTE OF APPLIED CHEMISTRY CHINESE ACADEMY OF SCIENCES |
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Owner name: CHANGCHUN CHENTAI TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: CHANGCHUN APPLIED CHEMICAL TECHNOLOGY HEAD OFFICE, CHINESE ACADEMY OF SCIENCES Effective date: 20150330 |
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Free format text: CORRECT: ADDRESS; FROM: 130022 CHANGCHUN, JILIN PROVINCE TO: 130216 CHANGCHUN, JILIN PROVINCE |
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Effective date of registration: 20150330 Address after: 130216 Jilin province Changchun Helong Economic Development Zone Hexing road Hexing building side Building Room 201 Patentee after: Changchun Chen Tai Technology Co.,Ltd. Address before: 130022 Changchun people's street, Jilin, No. 5625 Patentee before: Changchun applied chemical science and Technology General Corporation of Chinese Academy of Sciences |
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Addressee: Changchun Chen Tai Technology Co.,Ltd. Document name: Notification of Passing Examination on Formalities |
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