ATE277033T1 - Glycolide erzeugungsverfahren, und glycolsäure oligomer für glycolide erzeugung - Google Patents

Glycolide erzeugungsverfahren, und glycolsäure oligomer für glycolide erzeugung

Info

Publication number
ATE277033T1
ATE277033T1 AT02718519T AT02718519T ATE277033T1 AT E277033 T1 ATE277033 T1 AT E277033T1 AT 02718519 T AT02718519 T AT 02718519T AT 02718519 T AT02718519 T AT 02718519T AT E277033 T1 ATE277033 T1 AT E277033T1
Authority
AT
Austria
Prior art keywords
glycolic acid
glycolide
acid oligomer
reaction system
glycolide production
Prior art date
Application number
AT02718519T
Other languages
English (en)
Inventor
Kazuyuki Yamane
Yukichika Kawakami
Original Assignee
Kureha Chemical Ind Co 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 Kureha Chemical Ind Co Ltd filed Critical Kureha Chemical Ind Co Ltd
Application granted granted Critical
Publication of ATE277033T1 publication Critical patent/ATE277033T1/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Materials For Medical Uses (AREA)
AT02718519T 2001-04-12 2002-04-10 Glycolide erzeugungsverfahren, und glycolsäure oligomer für glycolide erzeugung ATE277033T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001113577 2001-04-12
PCT/JP2002/003570 WO2002083661A1 (en) 2001-04-12 2002-04-10 Glycolide production process, and glycolic acid oligomer for glycolide production

Publications (1)

Publication Number Publication Date
ATE277033T1 true ATE277033T1 (de) 2004-10-15

Family

ID=18964776

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02718519T ATE277033T1 (de) 2001-04-12 2002-04-10 Glycolide erzeugungsverfahren, und glycolsäure oligomer für glycolide erzeugung

Country Status (10)

Country Link
US (1) US7235673B2 (de)
EP (1) EP1377566B1 (de)
JP (4) JP4394352B2 (de)
KR (2) KR100895603B1 (de)
CN (1) CN1266146C (de)
AT (1) ATE277033T1 (de)
CA (1) CA2440379C (de)
DE (1) DE60201342T2 (de)
TW (1) TWI246511B (de)
WO (1) WO2002083661A1 (de)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100895603B1 (ko) * 2001-04-12 2009-05-06 가부시끼가이샤 구레하 글리콜리드 제조 방법, 및 글리콜리드 제조용 글리콜산 올리고머
US20090107684A1 (en) 2007-10-31 2009-04-30 Cooke Jr Claude E Applications of degradable polymers for delayed mechanical changes in wells
US20040231845A1 (en) 2003-05-15 2004-11-25 Cooke Claude E. Applications of degradable polymers in wells
JP4954616B2 (ja) * 2006-06-19 2012-06-20 株式会社クレハ グリコリドの製造方法およびグリコリド製造用グリコール酸オリゴマー
JP5280007B2 (ja) * 2006-08-02 2013-09-04 株式会社クレハ ヒドロキシカルボン酸の精製方法、環状エステルの製造方法およびポリヒドロキシカルボン酸の製造方法
US8899317B2 (en) 2008-12-23 2014-12-02 W. Lynn Frazier Decomposable pumpdown ball for downhole plugs
US8079413B2 (en) 2008-12-23 2011-12-20 W. Lynn Frazier Bottom set downhole plug
JP5584628B2 (ja) 2008-12-26 2014-09-03 株式会社クレハ グリコリドの製造方法
US9562415B2 (en) 2009-04-21 2017-02-07 Magnum Oil Tools International, Ltd. Configurable inserts for downhole plugs
US9163477B2 (en) 2009-04-21 2015-10-20 W. Lynn Frazier Configurable downhole tools and methods for using same
US9062522B2 (en) 2009-04-21 2015-06-23 W. Lynn Frazier Configurable inserts for downhole plugs
US9127527B2 (en) 2009-04-21 2015-09-08 W. Lynn Frazier Decomposable impediments for downhole tools and methods for using same
US9109428B2 (en) 2009-04-21 2015-08-18 W. Lynn Frazier Configurable bridge plugs and methods for using same
US9181772B2 (en) 2009-04-21 2015-11-10 W. Lynn Frazier Decomposable impediments for downhole plugs
CN103003260A (zh) 2009-12-21 2013-03-27 赢创德固赛有限公司 用于制备包含不饱和官能团的环酯的方法和由其制备的聚酯
JP5813516B2 (ja) * 2010-01-19 2015-11-17 株式会社クレハ グリコリドの製造方法
US9114328B2 (en) * 2012-05-16 2015-08-25 Eastman Chemical Company Reactive distillation of a carboxylic acid and a glycol
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
JP6230597B2 (ja) 2013-03-26 2017-11-15 株式会社クレハ グリコリドの製造方法
FI128487B (en) 2013-05-06 2020-06-15 Teknologian Tutkimuskeskus Vtt Oy Glycolic acid polymers and process for their preparation
CN105315152A (zh) * 2014-07-24 2016-02-10 中国石油化工股份有限公司 聚乙醇酸低聚物的制备方法
EP3215550B1 (de) 2014-11-06 2024-10-16 Teknologian Tutkimuskeskus VTT OY Verfahren zur herstellung von glykolsäurepolymeren
CN107286126A (zh) * 2016-04-13 2017-10-24 中国石油化工股份有限公司 1,4-二氧杂环-2,5-己二酮的制备方法
CN107286127A (zh) * 2016-04-13 2017-10-24 中国石油化工股份有限公司 低酸含量1,4-二氧杂环-2,5-己二酮的制备方法
CN107868076A (zh) * 2016-09-26 2018-04-03 中国石油化工股份有限公司 低杂质含量乙交酯的制备
JP6751164B2 (ja) 2017-01-24 2020-09-02 株式会社クレハ α−ヒドロキシカルボン酸2量体環状エステルの製造方法
RU2660652C1 (ru) * 2017-12-29 2018-07-09 Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский Томский государственный университет" (ТГУ, НИ ТГУ) Способ получения гликолида из модифицированных олигомеров гликолевой кислоты
JP7064913B2 (ja) * 2018-03-20 2022-05-11 株式会社クレハ グリコリドの製造方法
EP3873889B1 (de) * 2018-10-29 2026-02-11 Pujing Chemical Industry Co., Ltd Herstellung von glykolid aus methylpolyglykolat
CN113166092A (zh) * 2018-12-06 2021-07-23 托普索公司 用于制备乙交酯的方法
CN112028868A (zh) * 2019-06-04 2020-12-04 同济大学 一种乙交酯的制备方法
CN112480063A (zh) * 2020-11-28 2021-03-12 万华化学(四川)有限公司 一种制备低酸分丙交酯的反应工艺
CN113603671A (zh) * 2021-08-13 2021-11-05 山东谷雨春生物科技有限公司 一种提高交酯收率的方法
CN115872968B (zh) * 2021-09-29 2025-10-31 中国石油化工股份有限公司 一种利用工业级乙醇酸水溶液制备乙交酯的方法与得到的乙交酯
CN114324727A (zh) * 2021-11-25 2022-04-12 上海浦景化工技术股份有限公司 Pga食品包装材料中乙醇酸及其低聚物总迁移量上限的检测方法
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
CN114456145A (zh) * 2021-12-29 2022-05-10 江苏金聚合金材料有限公司 一种微波裂解乙醇酸低聚物制备乙交酯的方法
CN114805283A (zh) * 2022-04-29 2022-07-29 内蒙古久泰新材料有限公司 一种连续稳定制备高品质乙交酯的方法
CN115073415A (zh) * 2022-05-31 2022-09-20 江苏景宏新材料科技有限公司 一种制备高纯度乙交酯的方法
CN115974830B (zh) * 2022-12-30 2024-06-11 重庆江际材料技术有限公司 一种高纯度低成本的乙交酯连续制备方法
CN117624113B (zh) * 2023-11-23 2026-07-03 内蒙古荣信化工有限公司 一种降解塑料生产过程中间产品乙交酯连续提纯工艺

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2668162A (en) 1952-03-20 1954-02-02 Du Pont Preparation of high molecular weight polyhydroxyacetic ester
US2999033A (en) * 1957-09-30 1961-09-05 Standard Oil Co Polymeric substances
US4727163A (en) 1985-07-11 1988-02-23 E. I. Du Pont De Nemours And Company Process for preparing highly pure cyclic esters
US4835293A (en) 1987-02-24 1989-05-30 E. I. Du Pont De Nemours And Company Atmospheric pressure process for preparing pure cyclic esters
JPH01156319A (ja) * 1987-12-15 1989-06-19 Toray Ind Inc 脂肪族ポリエステルおよびその製造方法
JPH01163135A (ja) * 1987-12-18 1989-06-27 Taki Chem Co Ltd 徐放性基剤の製造方法
US5023349A (en) 1990-05-08 1991-06-11 E. I. Du Pont De Nemours And Company Continuous process for rapid conversion of oligomers to cyclic esters
FR2692263B1 (fr) 1992-06-15 1994-09-23 Flamel Tech Sa Procédé de préparation d'esters cycliques d'acides-alpha-hydroxycarboxyliques.
JP3248597B2 (ja) * 1993-04-07 2002-01-21 東洋紡績株式会社 脂肪族ポリエステルの製造方法
JPH08188642A (ja) * 1995-01-13 1996-07-23 Mitsui Toatsu Chem Inc ポリヒドロキシカルボン酸の製造方法
JP4171083B2 (ja) 1996-02-09 2008-10-22 株式会社クレハ α−ヒドロキシカルボン酸2量体環状エステルの製造方法
US5830991A (en) * 1996-02-09 1998-11-03 Kureha Kagaku Kagyo Kk Preparation process and purification process of dimeric cyclic ester of hydroxycarboxylic acid
JP3944281B2 (ja) * 1996-08-20 2007-07-11 株式会社クレハ ポリグリコール酸発泡体
JPH11116666A (ja) 1997-10-13 1999-04-27 Kureha Chem Ind Co Ltd ポリグリコール酸の製造方法
JPH11130847A (ja) * 1997-10-28 1999-05-18 Kureha Chem Ind Co Ltd ポリヒドロキシカルボン酸の製造方法
JP4913940B2 (ja) 2000-10-12 2012-04-11 株式会社クレハ グリコリドの製造方法
KR100895603B1 (ko) * 2001-04-12 2009-05-06 가부시끼가이샤 구레하 글리콜리드 제조 방법, 및 글리콜리드 제조용 글리콜산 올리고머

Also Published As

Publication number Publication date
JP5072906B2 (ja) 2012-11-14
JP2013151696A (ja) 2013-08-08
DE60201342T2 (de) 2005-11-17
JP2009269926A (ja) 2009-11-19
US20040122240A1 (en) 2004-06-24
CA2440379C (en) 2011-01-04
KR20040018351A (ko) 2004-03-03
JP2004523596A (ja) 2004-08-05
KR20080105179A (ko) 2008-12-03
EP1377566B1 (de) 2004-09-22
KR100895603B1 (ko) 2009-05-06
JP4394352B2 (ja) 2010-01-06
KR100886599B1 (ko) 2009-03-05
CN1266146C (zh) 2006-07-26
EP1377566A1 (de) 2004-01-07
DE60201342D1 (de) 2004-10-28
CN1501923A (zh) 2004-06-02
WO2002083661A1 (en) 2002-10-24
TWI246511B (en) 2006-01-01
JP2009185065A (ja) 2009-08-20
CA2440379A1 (en) 2002-10-24
JP5301390B2 (ja) 2013-09-25
US7235673B2 (en) 2007-06-26

Similar Documents

Publication Publication Date Title
DE60201342D1 (de) Glycolide erzeugungsverfahren, und glycolsäure oligomer für glycolide erzeugung
Deng et al. Organotellurium catalysis-enabled utilization of molecular oxygen as oxidant for oxidative deoximation reactions under solvent-free conditions
ATE113944T1 (de) Katalytische herstellung von lactid direkt aus milchsäure.
EP1247808A3 (de) Kontinuierliches Verfahren zur Herstellung von Lactid und Lactidpolymeren
DE60025850D1 (de) Verfahren zur erzeugung von oligonukleotiden, im besonderen zur detektion amplifizierter restriktionsfragmente, die durch aflp erhalten wurden
DE10081549D2 (de) Verfahren zur Synthese von DNA-Fragmenten
TW341569B (en) Preparation process and purification process of dimeric cyclic ester of α-hydroxycarboxylic acid
ATE263200T1 (de) Verfahren zur herstellung von polytrimethylenterephthalat
DE50301828D1 (de) Verfahren zur Herstellung von Polyisocyanaten der Diphenylmethanreihe mit vermindertem Farbwert
ATE468315T1 (de) Verfahren zur herstellung von (meth)acrylsäure
Patzke et al. DNA with 3′‐5′‐Disulfide Links—Rapid Chemical Ligation through Isosteric Replacement
ATE242190T1 (de) Verfahren zur herstellung von cyclododecatrienen mit rückführung des katalysators
DE3871608D1 (de) Verfahren zur herstellung von mehrkernigen aromatischen polyaminen.
DE60110932D1 (de) Kontinuierliches verfahren zur herstellung von l-ascorbinsäure
DE69819668D1 (de) Silberkatalysator, Verfahren zu seiner Herstellung und Verfahren zur Herstellung von Ethylenoxid
ATE471306T1 (de) Verfahren zur herstellung von 1,4- butandiol
BRPI0300726B8 (pt) método e aparelho para a produção de ácido poliacrílico
DE50103263D1 (de) Verfahren zur hydrierung von maleinsäureanhydrid und verwandten verbindungen in zwei hintereinander geschalteten reaktionszonen
WO2001049665A3 (fr) Procede de purification de lactames
DE50105797D1 (de) Herstellung von Hydroxypropionitril
DE50006856D1 (de) Verfahren zur zersetzung von bei der synthese mehrwertiger alkohole gebildeter hochsiedender nebenprodukte
DE602004025238D1 (de) Integriertes verfahren zur herstellung von bisphenol a aus cumenhydroperoxid
ATE212624T1 (de) Verfahren zur gewinnung von ascorbinsäure
ATE149161T1 (de) Verfahren zur herstellung von glykolid und lactid
DE502005006902D1 (de) Verfahren zur herstellung von amino- oder hydroxybenzonitrilen

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties