BR8704814A - Processo para a preparacao de lactidios e processo para a preparacao de acido polilatico - Google Patents

Processo para a preparacao de lactidios e processo para a preparacao de acido polilatico

Info

Publication number
BR8704814A
BR8704814A BR8704814A BR8704814A BR8704814A BR 8704814 A BR8704814 A BR 8704814A BR 8704814 A BR8704814 A BR 8704814A BR 8704814 A BR8704814 A BR 8704814A BR 8704814 A BR8704814 A BR 8704814A
Authority
BR
Brazil
Prior art keywords
preparation
milk
polylatic acid
polylatic
acid
Prior art date
Application number
BR8704814A
Other languages
English (en)
Inventor
Manfred Mueller
Original Assignee
Boehringer Ingelheim Kg
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
Priority claimed from DE19863632103 external-priority patent/DE3632103A1/de
Priority claimed from DE3708915A external-priority patent/DE3708915C2/de
Application filed by Boehringer Ingelheim Kg filed Critical Boehringer Ingelheim Kg
Publication of BR8704814A publication Critical patent/BR8704814A/pt

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
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C59/00—Compounds having carboxyl groups bound to acyclic carbon atoms and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
    • C07C59/01—Saturated compounds having only one carboxyl group and containing hydroxy or O-metal groups
    • C07C59/10—Polyhydroxy carboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Polyesters Or Polycarbonates (AREA)
BR8704814A 1986-09-20 1987-09-18 Processo para a preparacao de lactidios e processo para a preparacao de acido polilatico BR8704814A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863632103 DE3632103A1 (de) 1986-09-20 1986-09-20 Verfahren zur herstellung von lactid
DE3708915A DE3708915C2 (de) 1987-03-19 1987-03-19 Verfahren zur Herstellung von Lactid

Publications (1)

Publication Number Publication Date
BR8704814A true BR8704814A (pt) 1988-05-17

Family

ID=25847701

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8704814A BR8704814A (pt) 1986-09-20 1987-09-18 Processo para a preparacao de lactidios e processo para a preparacao de acido polilatico

Country Status (3)

Country Link
EP (1) EP0261572A1 (pt)
JP (1) JP2574323B2 (pt)
BR (1) BR8704814A (pt)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012021957A1 (pt) * 2010-08-20 2012-02-23 Companhia Refinadora Da Amazônia Processo de produção de poli (ácido lático) e reatores para utilização no referido processo

Families Citing this family (51)

* Cited by examiner, † Cited by third party
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EP0318567B1 (de) * 1987-06-16 1992-03-18 Boehringer Ingelheim Kg Meso-lactid und verfahren zu seiner herstellung
US5274127A (en) * 1990-09-18 1993-12-28 Biopak Technology, Ltd. Lactide production from dehydration of aqueous lactic acid feed
US5319107A (en) * 1990-09-18 1994-06-07 Biopak Technology, Ltd. Method to produce cyclic esters
US5444113A (en) * 1988-08-08 1995-08-22 Ecopol, Llc End use applications of biodegradable polymers
US5767222A (en) * 1988-08-08 1998-06-16 Chronopol, Inc. Degradable polydioxaneone-based materials
US5332839A (en) * 1990-09-18 1994-07-26 Biopak Technology, Ltd. Catalytic production of lactide directly from lactic acid
US5196551A (en) * 1991-06-24 1993-03-23 E. I. Du Pont De Nemours And Company Co-vaporization process for preparing lactide
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
EP0623153A1 (en) * 1992-01-24 1994-11-09 Cargill, Incorporated Continuous process for the manufacture of lactide and lactide polymers
WO1993018021A1 (en) * 1992-03-13 1993-09-16 E.I. Du Pont De Nemours And Company Rare earth metal catalyzed oligomerization of alpha-hydroxycarboxylic acids and conversion to dimeric cyclic esters
US5675021A (en) * 1992-03-19 1997-10-07 Chronopol, Inc. Method to produce and purify cyclic esters
US5686630A (en) * 1993-09-29 1997-11-11 Chronopol, Inc. Purifying cyclic esters by aqueous solvent extraction
US5420304A (en) * 1992-03-19 1995-05-30 Biopak Technology, Ltd. Method to produce cyclic esters
IT1256918B (it) * 1992-08-04 1995-12-27 Mini Ricerca Scient Tecnolog Procedimento per la produzione di poli acido lattico.
US5264592A (en) * 1992-09-08 1993-11-23 Camelot Technologies Inc. Lactide melt recrystallization
DE59305524D1 (de) * 1992-09-16 1997-04-03 Basf Ag Verfahren zur Herstellung von Glykolid und Lactid
JP2830896B2 (ja) * 1993-11-17 1998-12-02 株式会社島津製作所 ラクチドの製造法
JPH07165753A (ja) * 1993-12-08 1995-06-27 Musashino Kagaku Kenkyusho:Kk ラクチドの精製方法
US5521278A (en) * 1994-08-18 1996-05-28 Ecological Chemical Products Integrated process for the manufacture of lactide
US5719256A (en) * 1995-10-19 1998-02-17 Mitsu Toatsu Chemicals, Inc. Process for preparing polycondensation polymer compound
EP0789080B1 (de) 1996-02-08 2002-01-16 Gesellschaft für ökologische Technologie und Systemanalyse e.V. Verfahren zur Herstellung von organischen Aminiumlactaten und deren Verwendung zur Herstellung von Dilactid
JP3588907B2 (ja) * 1996-03-22 2004-11-17 トヨタ自動車株式会社 ポリ乳酸の製造方法
US6126919A (en) * 1997-02-07 2000-10-03 3M Innovative Properties Company Biocompatible compounds for pharmaceutical drug delivery systems
US6140458A (en) * 1998-04-28 2000-10-31 Mitsui Chemicals, Inc. Preparation process of polyester
US6313319B1 (en) 1998-09-25 2001-11-06 Shimadzu Corporation Method for purifying lactide and lactide for food additives
DE19902879A1 (de) * 1999-01-25 2000-08-03 Wolff Walsrode Ag Verfahren zur Herstellung von hochreinem Dilactid
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
EP1357119B1 (en) * 2001-01-31 2011-05-11 Toyota Jidosha Kabushiki Kaisha Process for producing lactide and process for producing polylactic acid starting with fermented lactic acid
EP1721936B1 (en) 2004-03-05 2012-05-02 Mitsubishi Rayon Co., Ltd. Thermoplastic resin composition and molded article comprising the same
JP5489720B2 (ja) * 2006-11-28 2014-05-14 ピュラック バイオケム ビー． ブイ． 安定なラクチド粒子
CN101688054A (zh) 2007-07-12 2010-03-31 富士胶片株式会社 纤维增强的聚乳酸树脂的注塑制品
AT506038B1 (de) * 2007-11-14 2015-02-15 Jungbunzlauer Austria Ag Verfahren zur herstellung zyklischer diester von l-, d- und d,l-milchsäure
EP2072508A1 (fr) * 2007-12-19 2009-06-24 Galactic S.A. Procédé d'obtention de lactide
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
JP2011173844A (ja) * 2010-02-25 2011-09-08 Teijin Ltd 精製ラクチドの製造方法
JP5728781B2 (ja) * 2011-01-05 2015-06-03 国立大学法人京都工芸繊維大学 ラクチドの製造方法
CA2827593C (en) 2011-02-18 2019-08-20 Sulzer Chemtech Ag Method for the manufacture of a polyhydroxy-carboxylic acid
US20120245321A1 (en) 2011-03-25 2012-09-27 Hyundai Motor Company Manufacturing lactide from lactic acid
US20120245322A1 (en) 2011-03-25 2012-09-27 Hyundai Motor Company Manufacturing lactide from lactic acid
KR101326521B1 (ko) 2011-05-26 2013-11-07 현대자동차주식회사 유산으로부터 락타이드의 제조 방법
WO2013160485A1 (de) * 2012-04-28 2013-10-31 Uhde Inventa-Fischer Gmbh Verfahren zur kontinuierlichen herstellung von lactid direkt aus konzentrierter milchsäure
WO2016097002A1 (en) 2014-12-17 2016-06-23 Purac Biochem Bv Substrates coated or bonded with a composition comprising a polyurethane
EP3034534A1 (en) 2014-12-17 2016-06-22 PURAC Biochem BV Substrates coated or bonded with a composition comprising a polyurethane
WO2017050928A1 (en) 2015-09-22 2017-03-30 Purac Biochem Bv Process for manufacturing cooked meat products
RU2624905C2 (ru) * 2015-12-21 2017-07-10 Федеральное государственное бюджетное учреждение "Национальный исследовательский центр "Курчатовский институт" Способ получения катализатора синтеза биоразлагаемых алифатических сложных полиэфиров
EP3505358A1 (en) 2017-01-10 2019-07-03 Mitsubishi HiTec Paper Europe GmbH Novel colour developer for a thermo-sensitive recording medium
WO2019219210A1 (de) 2018-05-18 2019-11-21 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur herstellung eines intramolekularen diesters einer hydroxycarbonsäure sowie verfahren zur herstellung einer polyhydroxycarbonsäure
KR20220119503A (ko) * 2020-01-15 2022-08-29 푸락 바이오켐 비.브이. 염화마그네슘 용액을 정제하기 위한 방법
CN116348510A (zh) 2020-10-23 2023-06-27 三菱化学株式会社 树脂组合物及其成型品
CN112574165B (zh) * 2020-12-30 2022-01-07 安徽丰原生物技术股份有限公司 一步转化生成丙交酯的方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE53074C (de) * Frau A. LA GUAYRA MAYO in Great Falls, Cty Cascade, und W. HUDNALL in Helena, Cty Lewisand Clark, V. St. A Verstellbare Säumvorrichtung für Nähmaschinen
DE1083275B (de) * 1959-07-02 1960-06-15 Dynamit Nobel Ag Verfahren zur Herstellung von Lactid

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012021957A1 (pt) * 2010-08-20 2012-02-23 Companhia Refinadora Da Amazônia Processo de produção de poli (ácido lático) e reatores para utilização no referido processo

Also Published As

Publication number Publication date
EP0261572A1 (de) 1988-03-30
JPS63101378A (ja) 1988-05-06
JP2574323B2 (ja) 1997-01-22

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