ATE113944T1 - Katalytische herstellung von lactid direkt aus milchsäure. - Google Patents

Katalytische herstellung von lactid direkt aus milchsäure.

Info

Publication number
ATE113944T1
ATE113944T1 AT91917419T AT91917419T ATE113944T1 AT E113944 T1 ATE113944 T1 AT E113944T1 AT 91917419 T AT91917419 T AT 91917419T AT 91917419 T AT91917419 T AT 91917419T AT E113944 T1 ATE113944 T1 AT E113944T1
Authority
AT
Austria
Prior art keywords
lactic acid
lactide
aqueous lactic
unreacted
feed
Prior art date
Application number
AT91917419T
Other languages
English (en)
Inventor
Herman P Benecke
Richard A Markle
Richard G Sinclair
Original Assignee
Biopak Technology Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Biopak Technology Ltd filed Critical Biopak Technology Ltd
Application granted granted Critical
Publication of ATE113944T1 publication Critical patent/ATE113944T1/de

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/19—Details relating to the geometry of the reactor
    • B01J2219/194—Details relating to the geometry of the reactor round
    • B01J2219/1941—Details relating to the geometry of the reactor round circular or disk-shaped
    • B01J2219/1942—Details relating to the geometry of the reactor round circular or disk-shaped spherical

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
  • Polyesters Or Polycarbonates (AREA)
AT91917419T 1990-09-18 1991-09-18 Katalytische herstellung von lactid direkt aus milchsäure. ATE113944T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/584,466 US5332839A (en) 1990-09-18 1990-09-18 Catalytic production of lactide directly from lactic acid

Publications (1)

Publication Number Publication Date
ATE113944T1 true ATE113944T1 (de) 1994-11-15

Family

ID=24337436

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91917419T ATE113944T1 (de) 1990-09-18 1991-09-18 Katalytische herstellung von lactid direkt aus milchsäure.

Country Status (22)

Country Link
US (1) US5332839A (de)
EP (1) EP0549698B1 (de)
JP (1) JP3236289B2 (de)
KR (1) KR0171431B1 (de)
CN (1) CN1061223A (de)
AT (1) ATE113944T1 (de)
AU (1) AU652963B2 (de)
BR (1) BR9106854A (de)
CA (1) CA2091689A1 (de)
DE (1) DE69105144T2 (de)
DK (1) DK0549698T3 (de)
ES (1) ES2063527T3 (de)
FI (1) FI95696C (de)
HK (1) HK175695A (de)
IE (1) IE63141B1 (de)
IL (1) IL99520A0 (de)
MX (1) MX9101130A (de)
MY (1) MY106760A (de)
NZ (1) NZ239825A (de)
PT (1) PT98999A (de)
WO (1) WO1992005168A1 (de)
ZA (1) ZA917452B (de)

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US5319107A (en) * 1990-09-18 1994-06-07 Biopak Technology, Ltd. Method to produce cyclic esters
US5274127A (en) * 1990-09-18 1993-12-28 Biopak Technology, Ltd. Lactide production from dehydration of aqueous lactic acid feed
US5767222A (en) * 1988-08-08 1998-06-16 Chronopol, Inc. Degradable polydioxaneone-based materials
US5326887A (en) * 1991-02-27 1994-07-05 E. I. Du Pont De Nemours And Company Process for the preparation of 1,4-dioxane-2,5-diones
US5258488A (en) * 1992-01-24 1993-11-02 Cargill, Incorporated Continuous process for manufacture of lactide polymers with controlled optical purity
US5247058A (en) * 1992-01-24 1993-09-21 Cargill, Incorporated Continuous process for manufacture of lactide polymers with controlled optical purity
US5247059A (en) * 1992-01-24 1993-09-21 Cargill, Incorporated Continuous process for the manufacture of a purified lactide from esters of lactic acid
US6005067A (en) * 1992-01-24 1999-12-21 Cargill Incorporated Continuous process for manufacture of lactide polymers with controlled optical purity
US5142023A (en) * 1992-01-24 1992-08-25 Cargill, Incorporated Continuous process for manufacture of lactide polymers with controlled optical purity
US6326458B1 (en) 1992-01-24 2001-12-04 Cargill, Inc. Continuous process for the manufacture of lactide and lactide polymers
US5338822A (en) * 1992-10-02 1994-08-16 Cargill, Incorporated Melt-stable lactide polymer composition and process for manufacture thereof
DE69330046T2 (de) * 1992-10-02 2001-11-15 Cargill, Inc. Schmelzstabiles lactidpolymergewebe und verfahren zu seiner herstellung
US6005068A (en) 1992-10-02 1999-12-21 Cargill Incorporated Melt-stable amorphous lactide polymer film and process for manufacture thereof
NZ256978A (en) * 1992-10-02 1996-05-28 Cargill Inc Paper product coated with a poly(lactide) composition comprising no more than 5 wt % lactide monomer, the poly(lactide) having a number average mw of 10,000 to 200,000
FR2726559B1 (fr) * 1994-11-04 1997-01-31 Flamel Tech Sa Procede de production d'esters cycliques d'acides alpha-hydroxycarboxyliques
US5801255A (en) * 1996-08-01 1998-09-01 Shimadzu Corporation Method for producing lactide and apparatus used therefor
US6313319B1 (en) 1998-09-25 2001-11-06 Shimadzu Corporation Method for purifying lactide and lactide for food additives
IL132289A (en) * 1999-10-08 2003-12-10 Staley Mfg Co A E Process for conversion of an extracted carboxylic acid to a non-ionized product
WO2001042333A2 (en) 1999-12-13 2001-06-14 Michigan State University Process for the preparation of polymers of dimeric cyclic esters
JP4565208B2 (ja) * 2000-03-31 2010-10-20 株式会社クレハ グリコリドの精製方法
DE102007045701B3 (de) * 2007-09-24 2009-05-14 Uhde Gmbh Gewinnung von Milchsäure durch Fermentation und Extraktion mit Aminen
KR101154029B1 (ko) * 2009-05-20 2012-06-07 한국화학연구원 젖산에스테르로부터 락타이드의 직접 전환용 촉매 및 이를 이용한 락타이드의 제조방법
US8900834B2 (en) 2010-10-28 2014-12-02 Total Research & Technology Feluy S.A. Process for polylactic acid production using monascus
WO2013160485A1 (de) 2012-04-28 2013-10-31 Uhde Inventa-Fischer Gmbh Verfahren zur kontinuierlichen herstellung von lactid direkt aus konzentrierter milchsäure
KR101467202B1 (ko) * 2013-06-21 2014-12-01 한국화학연구원 젖산으로부터 락타이드 직접 제조용 성형 촉매 및 이의 제조 방법
KR101704563B1 (ko) 2015-10-12 2017-02-08 한국화학연구원 락타이드 정제공정을 이용한 락타이드 제조방법 및 제조장치
CN109563069A (zh) * 2016-06-20 2019-04-02 道达尔研究技术弗吕公司 具有热回收的单步骤丙交酯生产工艺
KR20190018715A (ko) * 2016-06-20 2019-02-25 토탈 리서치 앤드 테크놀로지 펠루이 회수된 물에 의한 올리고머 및 촉매의 가수분해를 이용한 단일 단계 락티드 제조 방법
US10745374B2 (en) 2016-06-20 2020-08-18 Total Research & Technology Feluy Single step lactide production process with recovering water by decantation
KR102013714B1 (ko) * 2017-03-09 2019-08-23 연세대학교 산학협력단 락타이드 연속 제조 방법 및 장치
CN111039918A (zh) * 2019-12-24 2020-04-21 安徽丰原发酵技术工程研究有限公司 一步气相反应制备d-丙交酯的方法
UA145097U (uk) 2020-05-07 2020-11-25 Товариство З Обмеженою Відповідальністю "Виробнича Група "Техінсервіс" СПОСІБ ОДЕРЖАННЯ ЛАКТИДУ З С<sub>3</sub>-ПОЛІОЛІВ
CN114805285A (zh) * 2022-06-07 2022-07-29 南昌大学 一种从l-乳酸制备丙交酯的方法
CN115504958B (zh) * 2022-10-20 2023-12-19 山东寿光巨能金玉米开发有限公司 一种丙交酯与乳酸酯联合生产的方法

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DE3632103A1 (de) * 1986-09-20 1988-03-24 Boehringer Ingelheim Kg Verfahren zur herstellung von lactid
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EP0261572A1 (de) * 1986-09-20 1988-03-30 Boehringer Ingelheim Kg Verfahren zur Herstellung von Lactid
EP0264926B1 (de) * 1986-10-24 1992-04-08 Boehringer Ingelheim Kg Verfahren zur Herstellung und Reinigung thermolabiler Verbindungen
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US4835293A (en) * 1987-02-24 1989-05-30 E. I. Du Pont De Nemours And Company Atmospheric pressure process for preparing pure cyclic esters
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US5274127A (en) * 1990-09-18 1993-12-28 Biopak Technology, Ltd. Lactide production from dehydration of aqueous lactic acid feed
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Also Published As

Publication number Publication date
MY106760A (en) 1995-07-31
AU8630591A (en) 1992-04-15
IL99520A0 (en) 1992-08-18
CN1061223A (zh) 1992-05-20
PT98999A (pt) 1992-07-31
EP0549698A1 (de) 1993-07-07
IE63141B1 (en) 1995-03-22
BR9106854A (pt) 1993-08-24
FI95696C (fi) 1996-03-11
AU652963B2 (en) 1994-09-15
ZA917452B (en) 1992-05-27
FI95696B (fi) 1995-11-30
NZ239825A (en) 1993-08-26
US5332839A (en) 1994-07-26
HK175695A (en) 1995-11-24
JP3236289B2 (ja) 2001-12-10
DK0549698T3 (da) 1995-03-27
DE69105144T2 (de) 1995-03-23
MX9101130A (es) 1992-05-04
FI931184L (fi) 1993-03-17
FI931184A0 (fi) 1993-03-17
IE913273A1 (en) 1992-02-25
KR930702330A (ko) 1993-09-08
KR0171431B1 (en) 1999-02-01
CA2091689A1 (en) 1992-03-19
JPH06501467A (ja) 1994-02-17
EP0549698B1 (de) 1994-11-09
ES2063527T3 (es) 1995-01-01
WO1992005168A1 (en) 1992-04-02
DE69105144D1 (de) 1994-12-15

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