ATE378311T1 - Verfahren zur reiningung von lactid - Google Patents
Verfahren zur reiningung von lactidInfo
- Publication number
- ATE378311T1 ATE378311T1 AT03786405T AT03786405T ATE378311T1 AT E378311 T1 ATE378311 T1 AT E378311T1 AT 03786405 T AT03786405 T AT 03786405T AT 03786405 T AT03786405 T AT 03786405T AT E378311 T1 ATE378311 T1 AT E378311T1
- Authority
- AT
- Austria
- Prior art keywords
- lactide
- purifying lactide
- purifying
- rectification
- purification
- Prior art date
Links
- JJTUDXZGHPGLLC-UHFFFAOYSA-N lactide Chemical compound CC1OC(=O)C(C)OC1=O JJTUDXZGHPGLLC-UHFFFAOYSA-N 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 3
- 238000009833 condensation Methods 0.000 abstract 1
- 230000005494 condensation Effects 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D319/00—Heterocyclic compounds containing six-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D319/10—1,4-Dioxanes; Hydrogenated 1,4-dioxanes
- C07D319/12—1,4-Dioxanes; Hydrogenated 1,4-dioxanes not condensed with other rings
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyesters Or Polycarbonates (AREA)
- Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Glass Compositions (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Separation By Low-Temperature Treatments (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/NL2003/000875 WO2005056509A1 (en) | 2003-12-10 | 2003-12-10 | Purification process for lactide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE378311T1 true ATE378311T1 (de) | 2007-11-15 |
Family
ID=34676031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT03786405T ATE378311T1 (de) | 2003-12-10 | 2003-12-10 | Verfahren zur reiningung von lactid |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US8053584B2 (de) |
| EP (1) | EP1694626B1 (de) |
| CN (1) | CN100586921C (de) |
| AT (1) | ATE378311T1 (de) |
| AU (1) | AU2003295252A1 (de) |
| BR (1) | BR0318653A (de) |
| CA (1) | CA2552395A1 (de) |
| DE (1) | DE60317581T2 (de) |
| DK (1) | DK1694626T3 (de) |
| ES (1) | ES2297252T3 (de) |
| MX (1) | MXPA06006613A (de) |
| PL (1) | PL210466B1 (de) |
| PT (1) | PT1694626E (de) |
| SI (1) | SI1694626T1 (de) |
| WO (1) | WO2005056509A1 (de) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| EP2072508A1 (de) | 2007-12-19 | 2009-06-24 | Galactic S.A. | Herstellungsverfahren von Laktid |
| AT506768B1 (de) | 2008-04-16 | 2013-10-15 | Jungbunzlauer Austria Ag | Verfahren zur reinigung zyklischer diester der l- bzw. d-milchsäure |
| KR101698915B1 (ko) * | 2008-08-29 | 2017-01-23 | 우데 인벤타-피셔 게엠바하 | 락티드 유도체의 혼합물의 생성 방법 |
| 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 |
| CN101857585A (zh) * | 2010-05-21 | 2010-10-13 | 常州大学 | 丙交酯连续高真空精馏提纯方法 |
| KR101326521B1 (ko) * | 2011-05-26 | 2013-11-07 | 현대자동차주식회사 | 유산으로부터 락타이드의 제조 방법 |
| CN102816143B (zh) * | 2012-08-02 | 2014-06-11 | 武汉三江航天固德生物科技有限公司 | 一种丙交酯的耦合纯化方法 |
| EP2725019B1 (de) | 2012-10-26 | 2015-04-08 | Uhde Inventa-Fischer GmbH | Verfahren zur Herstellung cyclischer Diester, insbesondere Dilactid |
| JP6326373B2 (ja) * | 2012-11-22 | 2018-05-16 | 株式会社クレハ | 気液の向流接触による精留工程を備えるグリコリドの製造方法、及び、粗グリコリドの精製方法 |
| EP2777791A1 (de) * | 2013-03-11 | 2014-09-17 | Sulzer Chemtech AG | Verfahren und Vorrichtung zum Reinigen eines Stromes mit einem zyklischen Ester einer Alpha-Hydroxycarboxylsäure |
| CN108031141B (zh) * | 2017-11-24 | 2020-09-25 | 孝感市易生新材料有限公司 | 精制丙交酯的工艺设备及方法 |
| CN112480064A (zh) * | 2020-12-21 | 2021-03-12 | 天津科技大学 | 一种背包式连续精馏合成丙交酯的方法 |
| US20240043397A1 (en) * | 2020-12-24 | 2024-02-08 | Polywin Pte., Ltd. | Process for the production of lactide |
| CN112934139A (zh) * | 2021-01-29 | 2021-06-11 | 南京华基塔业有限公司 | 一种乳酸制备丙交酯的强化微界面反应系统及方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5023350A (en) * | 1990-05-24 | 1991-06-11 | E. I. Du Pont De Nemours And Company | Process for the purification of cyclic esters |
| US5117008A (en) * | 1990-10-23 | 1992-05-26 | E. I. Du Pont De Nemours And Company | Solvent scrubbing recovery of lactide and other dimeric cyclic esters |
| US5236560A (en) * | 1992-03-13 | 1993-08-17 | E. I. Du Pont De Nemours And Company | Solventless dimeric cyclic ester distillation process |
| US5521278A (en) * | 1994-08-18 | 1996-05-28 | Ecological Chemical Products | Integrated process for the manufacture of lactide |
-
2003
- 2003-12-10 CA CA002552395A patent/CA2552395A1/en not_active Abandoned
- 2003-12-10 AU AU2003295252A patent/AU2003295252A1/en not_active Abandoned
- 2003-12-10 DK DK03786405T patent/DK1694626T3/da active
- 2003-12-10 ES ES03786405T patent/ES2297252T3/es not_active Expired - Lifetime
- 2003-12-10 DE DE60317581T patent/DE60317581T2/de not_active Expired - Lifetime
- 2003-12-10 MX MXPA06006613A patent/MXPA06006613A/es active IP Right Grant
- 2003-12-10 EP EP03786405A patent/EP1694626B1/de not_active Expired - Lifetime
- 2003-12-10 PT PT03786405T patent/PT1694626E/pt unknown
- 2003-12-10 AT AT03786405T patent/ATE378311T1/de not_active IP Right Cessation
- 2003-12-10 SI SI200331030T patent/SI1694626T1/sl unknown
- 2003-12-10 PL PL380126A patent/PL210466B1/pl not_active IP Right Cessation
- 2003-12-10 CN CN200380110821A patent/CN100586921C/zh not_active Expired - Fee Related
- 2003-12-10 WO PCT/NL2003/000875 patent/WO2005056509A1/en not_active Ceased
- 2003-12-10 US US10/582,280 patent/US8053584B2/en not_active Expired - Fee Related
- 2003-12-10 BR BRPI0318653-9A patent/BR0318653A/pt not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CA2552395A1 (en) | 2005-06-23 |
| WO2005056509A1 (en) | 2005-06-23 |
| EP1694626B1 (de) | 2007-11-14 |
| AU2003295252A2 (en) | 2005-06-29 |
| PL380126A1 (pl) | 2006-12-27 |
| AU2003295252A1 (en) | 2005-06-29 |
| CN100586921C (zh) | 2010-02-03 |
| PL210466B1 (pl) | 2012-01-31 |
| ES2297252T3 (es) | 2008-05-01 |
| MXPA06006613A (es) | 2007-01-26 |
| PT1694626E (pt) | 2008-02-11 |
| US20080234500A1 (en) | 2008-09-25 |
| DE60317581T2 (de) | 2008-09-04 |
| CN1894193A (zh) | 2007-01-10 |
| BR0318653A (pt) | 2006-11-28 |
| DE60317581D1 (de) | 2007-12-27 |
| DK1694626T3 (da) | 2008-03-03 |
| SI1694626T1 (sl) | 2008-02-29 |
| US8053584B2 (en) | 2011-11-08 |
| EP1694626A1 (de) | 2006-08-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UEP | Publication of translation of european patent specification |
Ref document number: 1694626 Country of ref document: EP |
|
| REN | Ceased due to non-payment of the annual fee |