CN102675607A - 乳酸自催化熔融缩聚—肌酐催化固相缩聚联用法合成高分子量聚乳酸 - Google Patents
乳酸自催化熔融缩聚—肌酐催化固相缩聚联用法合成高分子量聚乳酸 Download PDFInfo
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- CN102675607A CN102675607A CN201210162486XA CN201210162486A CN102675607A CN 102675607 A CN102675607 A CN 102675607A CN 201210162486X A CN201210162486X A CN 201210162486XA CN 201210162486 A CN201210162486 A CN 201210162486A CN 102675607 A CN102675607 A CN 102675607A
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- lactic acid
- plla
- lmw
- reactor drum
- poly
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- 238000000034 method Methods 0.000 title claims abstract description 55
- 238000006068 polycondensation reaction Methods 0.000 title claims abstract description 42
- 239000007790 solid phase Substances 0.000 title claims abstract description 24
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 title claims description 8
- 235000014655 lactic acid Nutrition 0.000 title claims description 4
- 239000004310 lactic acid Substances 0.000 title claims description 4
- 239000004626 polylactic acid Substances 0.000 title description 3
- 229920000747 poly(lactic acid) Polymers 0.000 title description 2
- 230000015572 biosynthetic process Effects 0.000 title 1
- 238000003786 synthesis reaction Methods 0.000 title 1
- 229920001432 poly(L-lactide) Polymers 0.000 claims abstract description 60
- JVTAAEKCZFNVCJ-REOHCLBHSA-N L-lactic acid Chemical compound C[C@H](O)C(O)=O JVTAAEKCZFNVCJ-REOHCLBHSA-N 0.000 claims abstract description 47
- DDRJAANPRJIHGJ-UHFFFAOYSA-N creatinine Chemical compound CN1CC(=O)NC1=N DDRJAANPRJIHGJ-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000011261 inert gas Substances 0.000 claims abstract description 44
- 229940109239 creatinine Drugs 0.000 claims abstract description 27
- 239000007789 gas Substances 0.000 claims description 86
- 238000006243 chemical reaction Methods 0.000 claims description 83
- 239000000843 powder Substances 0.000 claims description 52
- 230000035484 reaction time Effects 0.000 claims description 34
- 238000010168 coupling process Methods 0.000 claims description 28
- 230000003287 optical effect Effects 0.000 claims description 28
- 238000001816 cooling Methods 0.000 claims description 26
- 230000008878 coupling Effects 0.000 claims description 23
- 238000005859 coupling reaction Methods 0.000 claims description 23
- 239000007787 solid Substances 0.000 claims description 20
- 239000007864 aqueous solution Substances 0.000 claims description 15
- 230000000630 rising effect Effects 0.000 claims description 15
- 238000010792 warming Methods 0.000 claims description 14
- 239000012071 phase Substances 0.000 claims description 12
- 238000005844 autocatalytic reaction Methods 0.000 claims description 9
- 238000006555 catalytic reaction Methods 0.000 claims description 8
- 229920002521 macromolecule Polymers 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 2
- 239000000178 monomer Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 15
- 231100000331 toxic Toxicity 0.000 abstract description 3
- 230000002588 toxic effect Effects 0.000 abstract description 3
- 239000004615 ingredient Substances 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 229920000642 polymer Polymers 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 239000002904 solvent Substances 0.000 abstract description 2
- 239000003054 catalyst Substances 0.000 abstract 1
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 26
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 26
- 239000000126 substance Substances 0.000 description 16
- 229910052786 argon Inorganic materials 0.000 description 13
- 229910052757 nitrogen Inorganic materials 0.000 description 13
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 12
- 238000004458 analytical method Methods 0.000 description 12
- 230000018044 dehydration Effects 0.000 description 12
- 238000006297 dehydration reaction Methods 0.000 description 12
- 238000012423 maintenance Methods 0.000 description 12
- 238000012360 testing method Methods 0.000 description 12
- 239000002253 acid Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000003814 drug Substances 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 229940079593 drug Drugs 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- JJTUDXZGHPGLLC-UHFFFAOYSA-N lactide Chemical compound CC1OC(=O)C(C)OC1=O JJTUDXZGHPGLLC-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002808 molecular sieve Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 2
- 206010067484 Adverse reaction Diseases 0.000 description 1
- 239000002028 Biomass Substances 0.000 description 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 229910021626 Tin(II) chloride Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000975 bioactive effect Effects 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- JYYOBHFYCIDXHH-UHFFFAOYSA-N carbonic acid;hydrate Chemical compound O.OC(O)=O JYYOBHFYCIDXHH-UHFFFAOYSA-N 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000013270 controlled release Methods 0.000 description 1
- 231100000135 cytotoxicity Toxicity 0.000 description 1
- 230000003013 cytotoxicity Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012691 depolymerization reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 231100000957 no side effect Toxicity 0.000 description 1
- 229920000052 poly(p-xylylene) Polymers 0.000 description 1
- 230000006340 racemization Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007151 ring opening polymerisation reaction Methods 0.000 description 1
- 238000003746 solid phase reaction Methods 0.000 description 1
- 238000010671 solid-state reaction Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 235000011150 stannous chloride Nutrition 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- AXZWODMDQAVCJE-UHFFFAOYSA-L tin(II) chloride (anhydrous) Chemical compound [Cl-].[Cl-].[Sn+2] AXZWODMDQAVCJE-UHFFFAOYSA-L 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016090878A1 (zh) * | 2014-12-12 | 2016-06-16 | 南京大学 | 高性能高分子量聚l-乳酸合成工艺 |
JP2016520568A (ja) * | 2013-04-24 | 2016-07-14 | 南京大学 | バイオマス有機グアニジン触媒法による光学的に純粋なl−/d−ラクチドの合成方法 |
CN107501537A (zh) * | 2017-09-21 | 2017-12-22 | 南京大学 | 一种生产乙、丙交酯副产聚合物残渣再利用的工艺方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102040730A (zh) * | 2009-10-13 | 2011-05-04 | 中国石油化工股份有限公司 | 聚乳酸的熔融/固相缩聚制备方法 |
CN102161752A (zh) * | 2011-03-14 | 2011-08-24 | 南京大学 | 肌酐催化乳酸缩聚合成医用生物降解性聚乳酸的工艺方法 |
-
2012
- 2012-05-22 CN CN201210162486.XA patent/CN102675607B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102040730A (zh) * | 2009-10-13 | 2011-05-04 | 中国石油化工股份有限公司 | 聚乳酸的熔融/固相缩聚制备方法 |
CN102161752A (zh) * | 2011-03-14 | 2011-08-24 | 南京大学 | 肌酐催化乳酸缩聚合成医用生物降解性聚乳酸的工艺方法 |
Non-Patent Citations (2)
Title |
---|
CHENHONG WANG ET AL.: "Ring opening polymerization of l-lactide initiated by creatinine", 《BIOMATERIALS》, vol. 25, 31 December 2004 (2004-12-31), pages 5797 - 5801 * |
S.-I. MOON ET AL.: "Melt/solid polycondensation of l-lactic acid: an alternative route to poly(l-lactic acid) with high molecular weight", 《POLYMER》, vol. 42, 31 December 2001 (2001-12-31), pages 5059 - 5062 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016520568A (ja) * | 2013-04-24 | 2016-07-14 | 南京大学 | バイオマス有機グアニジン触媒法による光学的に純粋なl−/d−ラクチドの合成方法 |
WO2016090878A1 (zh) * | 2014-12-12 | 2016-06-16 | 南京大学 | 高性能高分子量聚l-乳酸合成工艺 |
JP2017507229A (ja) * | 2014-12-12 | 2017-03-16 | 南京大学 | 高性能高分子量ポリl−乳酸合成プロセス |
CN107501537A (zh) * | 2017-09-21 | 2017-12-22 | 南京大学 | 一种生产乙、丙交酯副产聚合物残渣再利用的工艺方法 |
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