ATE466897T1 - Kontinuierliches verfahren zur herstellung von lactid und lactid polymeren - Google Patents
Kontinuierliches verfahren zur herstellung von lactid und lactid polymerenInfo
- Publication number
- ATE466897T1 ATE466897T1 AT98203427T AT98203427T ATE466897T1 AT E466897 T1 ATE466897 T1 AT E466897T1 AT 98203427 T AT98203427 T AT 98203427T AT 98203427 T AT98203427 T AT 98203427T AT E466897 T1 ATE466897 T1 AT E466897T1
- Authority
- AT
- Austria
- Prior art keywords
- lactide
- mixture
- crude
- continuous process
- producing
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
- C08G63/08—Lactones or lactides
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyesters Or Polycarbonates (AREA)
- Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/825,059 US5142023A (en) | 1992-01-24 | 1992-01-24 | Continuous process for manufacture of lactide polymers with controlled optical purity |
US07/927,149 US5247058A (en) | 1992-01-24 | 1992-08-07 | Continuous process for manufacture of lactide polymers with controlled optical purity |
US07/926,901 US5258488A (en) | 1992-01-24 | 1992-08-07 | Continuous process for manufacture of lactide polymers with controlled optical purity |
US07/935,059 US5274073A (en) | 1992-01-24 | 1992-08-24 | Continuous process for manufacture of a purified lactide |
US07/935,566 US5247059A (en) | 1992-01-24 | 1992-08-24 | Continuous process for the manufacture of a purified lactide from esters of lactic acid |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE466897T1 true ATE466897T1 (de) | 2010-05-15 |
Family
ID=27542241
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT98203427T ATE466897T1 (de) | 1992-01-24 | 1993-01-22 | Kontinuierliches verfahren zur herstellung von lactid und lactid polymeren |
Country Status (14)
Country | Link |
---|---|
EP (2) | EP0623153A1 (de) |
JP (1) | JP3258324B2 (de) |
KR (1) | KR100261850B1 (de) |
AT (1) | ATE466897T1 (de) |
AU (1) | AU677174B2 (de) |
BR (1) | BR9305788A (de) |
CA (1) | CA2128509C (de) |
DE (1) | DE69334330D1 (de) |
ES (1) | ES2345307T3 (de) |
FI (1) | FI113661B (de) |
MX (1) | MX9300333A (de) |
NO (1) | NO309530B1 (de) |
NZ (1) | NZ249033A (de) |
WO (1) | WO1993015127A1 (de) |
Families Citing this family (50)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6326458B1 (en) * | 1992-01-24 | 2001-12-04 | Cargill, Inc. | Continuous process for the manufacture of lactide and lactide polymers |
US5521278A (en) * | 1994-08-18 | 1996-05-28 | Ecological Chemical Products | Integrated process for the manufacture of lactide |
JP3301311B2 (ja) * | 1996-05-24 | 2002-07-15 | 株式会社神戸製鋼所 | 2−ヒドロキシカルボン酸オリゴマーの連続製造方法 |
JPH10109983A (ja) * | 1996-10-04 | 1998-04-28 | Mitsubishi Gas Chem Co Inc | 環状エステルの製造方法および精製方法 |
JP4284709B2 (ja) * | 1996-12-25 | 2009-06-24 | トヨタ自動車株式会社 | 乳酸系副産物の再生利用法 |
KR100535862B1 (ko) | 1999-06-18 | 2005-12-13 | 도레이 카부시키가이샤 | 폴리락트산 수지 및 이를 이용한 섬유제품, 및 섬유제품의제조방법 |
FR2802923B1 (fr) | 1999-12-28 | 2002-03-08 | Roquette Freres | Procede de preparation d'une composition d'ester d'acide lactique et son utilisation en tant que solvant |
EP1357119B1 (de) * | 2001-01-31 | 2011-05-11 | Toyota Jidosha Kabushiki Kaisha | Verfahren zur herstellung von lactid und verfahren zur herstellung von polymilchsäure ausgehend von fermentierter milchsäure |
BE1015060A3 (fr) | 2002-08-06 | 2004-09-07 | Brussels Biotech Nv Sa | Procede de production de polylactide au depart d'une solution d'acide lactique ou d'un de ses derives. |
ATE391741T1 (de) * | 2002-10-08 | 2008-04-15 | Kureha Corp | Verfahren zur herstellung von aliphatischem polyester |
US7674753B2 (en) | 2003-09-17 | 2010-03-09 | Halliburton Energy Services, Inc. | Treatment fluids and methods of forming degradable filter cakes comprising aliphatic polyester and their use in subterranean formations |
US7833944B2 (en) | 2003-09-17 | 2010-11-16 | Halliburton Energy Services, Inc. | Methods and compositions using crosslinked aliphatic polyesters in well bore applications |
US7829507B2 (en) | 2003-09-17 | 2010-11-09 | Halliburton Energy Services Inc. | Subterranean treatment fluids comprising a degradable bridging agent and methods of treating subterranean formations |
US20060169182A1 (en) | 2005-01-28 | 2006-08-03 | Halliburton Energy Services, Inc. | Methods and compositions relating to the hydrolysis of water-hydrolysable materials |
US8030249B2 (en) | 2005-01-28 | 2011-10-04 | Halliburton Energy Services, Inc. | Methods and compositions relating to the hydrolysis of water-hydrolysable materials |
US7662753B2 (en) | 2005-05-12 | 2010-02-16 | Halliburton Energy Services, Inc. | Degradable surfactants and methods for use |
US7318474B2 (en) | 2005-07-11 | 2008-01-15 | Halliburton Energy Services, Inc. | Methods and compositions for controlling formation fines and reducing proppant flow-back |
US8329621B2 (en) | 2006-07-25 | 2012-12-11 | Halliburton Energy Services, Inc. | Degradable particulates and associated methods |
US7686080B2 (en) | 2006-11-09 | 2010-03-30 | Halliburton Energy Services, Inc. | Acid-generating fluid loss control additives and associated methods |
NL2000454C1 (nl) | 2006-11-28 | 2008-01-02 | Purac Biochem Bv | Stabiele lactidedeeltjes. |
US20080146822A1 (en) | 2006-11-28 | 2008-06-19 | Purac Biochem B.V. | Stable lactide particles |
EP2031009A1 (de) * | 2007-09-03 | 2009-03-04 | Uhde Inventa-Fischer GmbH | Reinigungsvorrichtung zur Abtrennung von Dilactid aus Stoffgemischen, Polymerisationsvorrichtung, Verfahren zur Abtrennung von Dilactid aus Stoffgemischen sowie Verwendung |
JP4427571B2 (ja) | 2007-11-07 | 2010-03-10 | 株式会社日立プラントテクノロジー | ポリマー合成に関する装置および方法 |
AT506038B1 (de) | 2007-11-14 | 2015-02-15 | Jungbunzlauer Austria Ag | Verfahren zur herstellung zyklischer diester von l-, d- und d,l-milchsäure |
US8006760B2 (en) * | 2008-04-10 | 2011-08-30 | Halliburton Energy Services, Inc. | Clean fluid systems for partial monolayer fracturing |
AT506768B1 (de) | 2008-04-16 | 2013-10-15 | Jungbunzlauer Austria Ag | Verfahren zur reinigung zyklischer diester der l- bzw. d-milchsäure |
US7906464B2 (en) | 2008-05-13 | 2011-03-15 | Halliburton Energy Services, Inc. | Compositions and methods for the removal of oil-based filtercakes |
KR101012483B1 (ko) * | 2008-07-08 | 2011-02-09 | 김용환 | 효소 전환반응을 이용한 광학순수형 락티드 제조방법 및광학순수형 유산 또는 알킬 락테이트의 분리방법 |
JP5077170B2 (ja) * | 2008-09-22 | 2012-11-21 | 株式会社日立プラントテクノロジー | ポリヒドロキシカルボン酸の製造方法 |
US7833943B2 (en) | 2008-09-26 | 2010-11-16 | Halliburton Energy Services Inc. | Microemulsifiers and methods of making and using same |
EP2406245B1 (de) * | 2009-03-13 | 2014-01-08 | NatureWorks LLC | Rückgewinnung von milchsäurewerten aus einem meso-lactidstrom |
US8082992B2 (en) | 2009-07-13 | 2011-12-27 | Halliburton Energy Services, Inc. | Methods of fluid-controlled geometry stimulation |
JP5548271B2 (ja) * | 2009-09-14 | 2014-07-16 | ハギンズ,バリー | 湿式排煙脱硫方法 |
CN101696203B (zh) * | 2009-10-26 | 2013-02-06 | 江苏科技大学 | 从粗l-丙交酯连续精制l-丙交酯的方法 |
BRPI1004962A2 (pt) * | 2010-08-20 | 2012-05-29 | Companhia Refinadora Da Amazonia | processo de produção de poli (ácido lático ) e reatores para utilização no referido processo |
JP2012097224A (ja) | 2010-11-04 | 2012-05-24 | Hitachi Plant Technologies Ltd | ポリヒドロキシカルボン酸の製造装置および製造方法 |
EP2559725B1 (de) | 2011-08-19 | 2024-05-08 | Uhde Inventa-Fischer GmbH | Verfahren und Vorrichtung zur Rückgewinnung von Lactid aus Polylactid bzw. Glycolid aus Polyglycolid |
EP2725019B1 (de) | 2012-10-26 | 2015-04-08 | Uhde Inventa-Fischer GmbH | Verfahren zur Herstellung cyclischer Diester, insbesondere Dilactid |
KR101434462B1 (ko) * | 2012-12-26 | 2014-08-26 | 한국화학연구원 | 락타이드의 회분식 증류정제장치 및 이를 이용한 락타이드의 증류정제방법 |
EP2876124B1 (de) * | 2013-11-20 | 2019-01-09 | Uhde Inventa-Fischer GmbH | Verfahren sowie vorrichtung zur herstellung einer kristallisierbaren polymilchsäuremischung sowie polymilchsäuremischung |
WO2015086613A1 (en) * | 2013-12-10 | 2015-06-18 | Futerro S.A. | Improved process for producing polylactide |
EP3056490A1 (de) * | 2015-02-13 | 2016-08-17 | PURAC Biochem BV | Verfahren zur Herstellung von Lactid |
ES2881381T3 (es) | 2015-04-30 | 2021-11-29 | Purac Biochem Bv | Procedimiento y dispositivo de fabricación de lactida |
KR101780779B1 (ko) | 2015-09-24 | 2017-09-21 | 롯데케미칼 주식회사 | 고순도 락타이드의 제조 방법 |
KR101704563B1 (ko) | 2015-10-12 | 2017-02-08 | 한국화학연구원 | 락타이드 정제공정을 이용한 락타이드 제조방법 및 제조장치 |
US10562877B2 (en) * | 2016-06-20 | 2020-02-18 | Total Research & Technology Feluy | Single step lactide production process with hydrolysis of oligomers and catalyst by recovered water |
EP3406605B1 (de) * | 2017-05-22 | 2022-04-20 | NatureWorks LLC | Verfahren zur herstellung von lactid mit rekristallisierung und wiederverwendung von meso-lactid |
CN110652946B (zh) * | 2019-09-24 | 2021-11-09 | 安徽神剑新材料股份有限公司 | 一种聚酯树脂生产过程中顶温控制系统及方法 |
US20240043397A1 (en) * | 2020-12-24 | 2024-02-08 | Polywin Pte., Ltd. | Process for the production of lactide |
JP2024518184A (ja) * | 2021-02-22 | 2024-04-25 | 聚晟(新加坡)私人有限公司 | ラクチドを製造する方法及び装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1995970A (en) * | 1931-04-04 | 1935-03-26 | Du Pont | Polymeric lactide resin |
EP0261572A1 (de) * | 1986-09-20 | 1988-03-30 | Boehringer Ingelheim Kg | Verfahren zur Herstellung von Lactid |
DE3708915C2 (de) * | 1987-03-19 | 1996-04-04 | Boehringer Ingelheim Kg | Verfahren zur Herstellung von Lactid |
EP0275581B1 (de) * | 1986-12-19 | 1992-08-12 | Akzo N.V. | Herstellung von Polymilchsäure und Copolymeren daraus |
EP0318567B1 (de) * | 1987-06-16 | 1992-03-18 | Boehringer Ingelheim Kg | Meso-lactid und verfahren zu seiner herstellung |
NL8702563A (nl) | 1987-10-28 | 1989-05-16 | Cca Biochem B V | Polymeer lactide, werkwijze voor het bereiden van een dergelijk polymeer lactide, alsmede een samenstelling, die een dergelijk polymeer lactide bevat. |
-
1993
- 1993-01-22 EP EP93903632A patent/EP0623153A1/de not_active Ceased
- 1993-01-22 JP JP51333593A patent/JP3258324B2/ja not_active Expired - Fee Related
- 1993-01-22 NZ NZ249033A patent/NZ249033A/en not_active IP Right Cessation
- 1993-01-22 WO PCT/US1993/000568 patent/WO1993015127A1/en active IP Right Grant
- 1993-01-22 AU AU34821/93A patent/AU677174B2/en not_active Ceased
- 1993-01-22 EP EP98203427A patent/EP0893462B1/de not_active Expired - Lifetime
- 1993-01-22 BR BR9305788A patent/BR9305788A/pt not_active IP Right Cessation
- 1993-01-22 DE DE69334330T patent/DE69334330D1/de not_active Expired - Lifetime
- 1993-01-22 KR KR1019940702555A patent/KR100261850B1/ko not_active IP Right Cessation
- 1993-01-22 CA CA002128509A patent/CA2128509C/en not_active Expired - Fee Related
- 1993-01-22 AT AT98203427T patent/ATE466897T1/de not_active IP Right Cessation
- 1993-01-22 ES ES98203427T patent/ES2345307T3/es not_active Expired - Lifetime
- 1993-01-22 MX MX9300333A patent/MX9300333A/es unknown
-
1994
- 1994-07-21 NO NO942728A patent/NO309530B1/no not_active IP Right Cessation
- 1994-07-22 FI FI943487A patent/FI113661B/fi not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
AU677174B2 (en) | 1997-04-17 |
MX9300333A (es) | 1993-07-01 |
JPH07503490A (ja) | 1995-04-13 |
AU3482193A (en) | 1993-09-01 |
EP0893462B1 (de) | 2010-05-05 |
FI943487A0 (fi) | 1994-07-22 |
CA2128509C (en) | 2006-09-19 |
FI113661B (fi) | 2004-05-31 |
FI943487A (fi) | 1994-09-21 |
ES2345307T3 (es) | 2010-09-20 |
NO942728D0 (no) | 1994-07-21 |
NZ249033A (en) | 1996-05-28 |
BR9305788A (pt) | 1997-02-18 |
EP0893462A2 (de) | 1999-01-27 |
NO309530B1 (no) | 2001-02-12 |
EP0893462A3 (de) | 1999-10-20 |
NO942728L (no) | 1994-09-23 |
CA2128509A1 (en) | 1993-08-05 |
DE69334330D1 (de) | 2010-06-17 |
JP3258324B2 (ja) | 2002-02-18 |
KR100261850B1 (ko) | 2000-08-01 |
WO1993015127A1 (en) | 1993-08-05 |
EP0623153A1 (de) | 1994-11-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ATE466897T1 (de) | Kontinuierliches verfahren zur herstellung von lactid und lactid polymeren | |
DE69009992D1 (de) | Kontinuierliches verfahren zur herstellung aromatischer karbonate. | |
ATE391741T1 (de) | Verfahren zur herstellung von aliphatischem polyester | |
DE3781133T2 (de) | Herstellung von polymilchsaeure und copolymeren daraus. | |
ATE169913T1 (de) | Verfahren zur herstellung von cyclischen estern aus hydroxysäuren und deren derivaten | |
ATE333268T1 (de) | Verfahren zur herstellung von festen dosierungsformen | |
HU911222D0 (en) | Process for producing macromolecular polymers being biologically decomposable and for producing pharmaceutical preparatives containing said compounds | |
DE3879741D1 (de) | Verfahren und vorrichtung zur herstellung von polymermaterial. | |
ATE175183T1 (de) | Verfahren zum trennen von cyclohexandimethylol und dimethylterephthalate | |
DE69923795D1 (de) | Verfahren zur Herstellung biologisch-abbaubarer Polyester | |
DE59209181D1 (de) | Verfahren zur Herstellung von Mikrostrukturkörpern | |
DE69022162D1 (de) | Polyester-Mischung, ihre Herstellung und Verwendung. | |
ATE263201T1 (de) | Verfahren zur herstellung von polyesterpolyolen | |
ATE9230T1 (de) | Polyolhaltige komponente mit hohem feststoffgehalt und verfahren zur herstellung von polyurethan-harzen daraus. | |
ATE149161T1 (de) | Verfahren zur herstellung von glykolid und lactid | |
DE69619500T2 (de) | Verfahren zur herstellung von polyhydroxycarbonsäure | |
ATE219505T1 (de) | Verfahren zur herstellung von polyhydroxycarbonsäure | |
ATE231503T1 (de) | Verfahren zur herstellung von dimeren zyklischen estern | |
ATE136560T1 (de) | Verfahren zur herstellung von farblosen kohlenwasserstoffharzen und nach diesem verfahren hergestellte produkte | |
DE3868238D1 (de) | Verfahren zur kontinuierlichen herstellung von polymeren von konjugierten diolefinen mit niedrigem molekulargewicht. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |