SI1694626T1 - Postopek ciscenja laktida - Google Patents
Postopek ciscenja laktidaInfo
- Publication number
- SI1694626T1 SI1694626T1 SI200331030T SI200331030T SI1694626T1 SI 1694626 T1 SI1694626 T1 SI 1694626T1 SI 200331030 T SI200331030 T SI 200331030T SI 200331030 T SI200331030 T SI 200331030T SI 1694626 T1 SI1694626 T1 SI 1694626T1
- Authority
- SI
- Slovenia
- Prior art keywords
- lactide
- purification process
- purification
- rectification
- product stream
- Prior art date
Links
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)
- Glass Compositions (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Separation By Low-Temperature Treatments (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03786405A EP1694626B1 (en) | 2003-12-10 | 2003-12-10 | Purification process for lactide |
PCT/NL2003/000875 WO2005056509A1 (en) | 2003-12-10 | 2003-12-10 | Purification process for lactide |
Publications (1)
Publication Number | Publication Date |
---|---|
SI1694626T1 true SI1694626T1 (sl) | 2008-02-29 |
Family
ID=34676031
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SI200331030T SI1694626T1 (sl) | 2003-12-10 | 2003-12-10 | Postopek ciscenja laktida |
Country Status (15)
Country | Link |
---|---|
US (1) | US8053584B2 (sl) |
EP (1) | EP1694626B1 (sl) |
CN (1) | CN100586921C (sl) |
AT (1) | ATE378311T1 (sl) |
AU (1) | AU2003295252A1 (sl) |
BR (1) | BR0318653A (sl) |
CA (1) | CA2552395A1 (sl) |
DE (1) | DE60317581T2 (sl) |
DK (1) | DK1694626T3 (sl) |
ES (1) | ES2297252T3 (sl) |
MX (1) | MXPA06006613A (sl) |
PL (1) | PL210466B1 (sl) |
PT (1) | PT1694626E (sl) |
SI (1) | SI1694626T1 (sl) |
WO (1) | WO2005056509A1 (sl) |
Families Citing this family (14)
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 (fr) * | 2007-12-19 | 2009-06-24 | Galactic S.A. | Procédé d'obtention de lactide |
AT506768B1 (de) | 2008-04-16 | 2013-10-15 | Jungbunzlauer Austria Ag | Verfahren zur reinigung zyklischer diester der l- bzw. d-milchsäure |
RU2541567C2 (ru) * | 2008-08-29 | 2015-02-20 | Уде Инвента-Фишер ГмбХ | Способ получения смеси производных лактидов |
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 |
ES2536294T3 (es) | 2012-10-26 | 2015-05-22 | Uhde Inventa-Fischer Gmbh | Procedimiento para preparar diésteres cíclicos, especialmente dilactida |
US9365536B2 (en) | 2012-11-22 | 2016-06-14 | Kureha Corporation | Method for producing glycolide, which is provided with rectification step by means of gas-liquid countercurrent contact, and method for purifying crude glycolide |
EP2777791A1 (en) * | 2013-03-11 | 2014-09-17 | Sulzer Chemtech AG | Process and apparatus for purification of a stream containing a cyclic ester of an alpha-hydroxycarboxylic acid |
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 |
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 CN CN200380110821A patent/CN100586921C/zh not_active Expired - Fee Related
- 2003-12-10 EP EP03786405A patent/EP1694626B1/en not_active Expired - Lifetime
- 2003-12-10 BR BRPI0318653-9A patent/BR0318653A/pt not_active IP Right Cessation
- 2003-12-10 CA CA002552395A patent/CA2552395A1/en not_active Abandoned
- 2003-12-10 WO PCT/NL2003/000875 patent/WO2005056509A1/en active Application Filing
- 2003-12-10 MX MXPA06006613A patent/MXPA06006613A/es active IP Right Grant
- 2003-12-10 DE DE60317581T patent/DE60317581T2/de not_active Expired - Lifetime
- 2003-12-10 SI SI200331030T patent/SI1694626T1/sl unknown
- 2003-12-10 DK DK03786405T patent/DK1694626T3/da active
- 2003-12-10 AT AT03786405T patent/ATE378311T1/de not_active IP Right Cessation
- 2003-12-10 AU AU2003295252A patent/AU2003295252A1/en not_active Abandoned
- 2003-12-10 US US10/582,280 patent/US8053584B2/en not_active Expired - Fee Related
- 2003-12-10 PT PT03786405T patent/PT1694626E/pt unknown
- 2003-12-10 PL PL380126A patent/PL210466B1/pl not_active IP Right Cessation
- 2003-12-10 ES ES03786405T patent/ES2297252T3/es not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
MXPA06006613A (es) | 2007-01-26 |
EP1694626B1 (en) | 2007-11-14 |
PT1694626E (pt) | 2008-02-11 |
AU2003295252A1 (en) | 2005-06-29 |
CN100586921C (zh) | 2010-02-03 |
CN1894193A (zh) | 2007-01-10 |
DE60317581T2 (de) | 2008-09-04 |
US8053584B2 (en) | 2011-11-08 |
AU2003295252A2 (en) | 2005-06-29 |
CA2552395A1 (en) | 2005-06-23 |
DK1694626T3 (da) | 2008-03-03 |
DE60317581D1 (de) | 2007-12-27 |
US20080234500A1 (en) | 2008-09-25 |
ES2297252T3 (es) | 2008-05-01 |
WO2005056509A1 (en) | 2005-06-23 |
PL380126A1 (pl) | 2006-12-27 |
BR0318653A (pt) | 2006-11-28 |
PL210466B1 (pl) | 2012-01-31 |
ATE378311T1 (de) | 2007-11-15 |
EP1694626A1 (en) | 2006-08-30 |
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