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DK2264020T3 - Katalysator til direkte omdannelse af estere af mælkesyre til lactid og fremgangsmåde til at fremstille mælkesyre under anvendelse af samme - Google Patents

Katalysator til direkte omdannelse af estere af mælkesyre til lactid og fremgangsmåde til at fremstille mælkesyre under anvendelse af samme

Info

Publication number
DK2264020T3
DK2264020T3 DK09171147.3T DK09171147T DK2264020T3 DK 2264020 T3 DK2264020 T3 DK 2264020T3 DK 09171147 T DK09171147 T DK 09171147T DK 2264020 T3 DK2264020 T3 DK 2264020T3
Authority
DK
Denmark
Prior art keywords
lactic acid
lactide
esters
catalyst
same
Prior art date
Application number
DK09171147.3T
Other languages
English (en)
Inventor
Jong-San Chang
Young-Kyu Hwang
Jung-Ho Lee
Jong-Min Lee
Min-Hee Jung
Original Assignee
Korea Res Inst Chem Tech
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 Korea Res Inst Chem Tech filed Critical Korea Res Inst Chem Tech
Application granted granted Critical
Publication of DK2264020T3 publication Critical patent/DK2264020T3/da

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
    • 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

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)
  • Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
  • Catalysts (AREA)
DK09171147.3T 2009-05-20 2009-09-23 Katalysator til direkte omdannelse af estere af mælkesyre til lactid og fremgangsmåde til at fremstille mælkesyre under anvendelse af samme DK2264020T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020090043985A KR101154029B1 (ko) 2009-05-20 2009-05-20 젖산에스테르로부터 락타이드의 직접 전환용 촉매 및 이를 이용한 락타이드의 제조방법

Publications (1)

Publication Number Publication Date
DK2264020T3 true DK2264020T3 (da) 2013-01-21

Family

ID=41821597

Family Applications (1)

Application Number Title Priority Date Filing Date
DK09171147.3T DK2264020T3 (da) 2009-05-20 2009-09-23 Katalysator til direkte omdannelse af estere af mælkesyre til lactid og fremgangsmåde til at fremstille mælkesyre under anvendelse af samme

Country Status (6)

Country Link
US (1) US8258317B2 (da)
EP (1) EP2264020B1 (da)
JP (1) JP5189055B2 (da)
KR (1) KR101154029B1 (da)
CN (1) CN101891733B (da)
DK (1) DK2264020T3 (da)

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RU2460726C1 (ru) * 2011-04-07 2012-09-10 Валерий Федорович Швец Способ получения l-лактида
KR20140077877A (ko) * 2011-07-15 2014-06-24 플라시카 리미티드 분리방법
KR101459819B1 (ko) * 2012-04-04 2014-11-07 현대자동차주식회사 유산염으로부터 락타이드의 제조방법
KR101376483B1 (ko) * 2012-08-20 2014-03-25 한국화학연구원 젖산으로부터 락타이드의 직접적 제조방법 및 이에 사용되는 촉매
KR101428340B1 (ko) * 2012-12-31 2014-08-07 현대자동차주식회사 이온성 용매를 이용한 락타이드 제조법
BR112015016103A2 (pt) * 2013-02-08 2017-07-11 Total Res & Technology Feluy processo para preparar ésteres cíclicos e amidas cíclicas
JP6407016B2 (ja) * 2014-12-25 2018-10-17 デンゲン株式会社 冷媒回収充填用マニホールド
CN104861157B (zh) * 2015-06-01 2016-09-28 中国科学院长春应用化学研究所 一种低光学纯度高分子量聚乳酸的制备方法
GB201621549D0 (en) * 2016-12-19 2017-02-01 Univ Leuven Kath Catalytic process
UA145097U (uk) 2020-05-07 2020-11-25 Товариство З Обмеженою Відповідальністю "Виробнича Група "Техінсервіс" СПОСІБ ОДЕРЖАННЯ ЛАКТИДУ З С<sub>3</sub>-ПОЛІОЛІВ
CN111905802B (zh) * 2020-06-15 2022-01-18 厦门大学 一种使用钼-碱金属/碱土金属修饰的路易斯酸催化剂制乳酸酯的方法
CN111961028A (zh) * 2020-09-23 2020-11-20 安徽英特力工业工程技术有限公司 一种精制丙交酯的重结晶工艺
WO2022196178A1 (ja) * 2021-03-16 2022-09-22 株式会社クレハ グリコリドの製造方法
CN116041311B (zh) * 2021-10-28 2025-05-02 中国石油化工股份有限公司 一种乳酸脱水环化合成丙交酯的方法
CN116037194B (zh) * 2021-10-28 2024-08-06 中国石油化工股份有限公司 一种乳酸制备丙交酯的催化剂及其制备方法和应用
CN114163414A (zh) * 2021-11-26 2022-03-11 上海中化科技有限公司 乙交酯的制备方法和制备装置
CN114805284B (zh) * 2022-05-11 2023-10-03 南京大学 一种高浓乳酸一步法合成丙交酯的方法
CN117164550B (zh) * 2023-11-02 2024-01-26 华东理工大学 一种高纯丙交酯的制备方法及其在聚乳酸合成中的应用
CN118852093A (zh) * 2024-06-28 2024-10-29 南京工业大学 一种回收聚乳酸的方法

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Also Published As

Publication number Publication date
KR101154029B1 (ko) 2012-06-07
CN101891733B (zh) 2013-10-09
JP5189055B2 (ja) 2013-04-24
EP2264020A1 (en) 2010-12-22
JP2010270102A (ja) 2010-12-02
US20100298578A1 (en) 2010-11-25
CN101891733A (zh) 2010-11-24
US8258317B2 (en) 2012-09-04
KR20100124999A (ko) 2010-11-30
EP2264020B1 (en) 2012-11-14

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