DE69308143D1 - Verfahren zur herstellung von polymilchsäure - Google Patents

Verfahren zur herstellung von polymilchsäure

Info

Publication number
DE69308143D1
DE69308143D1 DE69308143T DE69308143T DE69308143D1 DE 69308143 D1 DE69308143 D1 DE 69308143D1 DE 69308143 T DE69308143 T DE 69308143T DE 69308143 T DE69308143 T DE 69308143T DE 69308143 D1 DE69308143 D1 DE 69308143D1
Authority
DE
Germany
Prior art keywords
pct
acid
polymolic
producing
sec
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69308143T
Other languages
English (en)
Other versions
DE69308143T2 (de
Inventor
Gabriele Perego
Catia Bastioli
Karolina Ul Zachod Grzebieniak
Antoni Niekraszewicz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MINI RICERCA SCIENT TECNOLOG
Ministero dell Universita e della Ricerca Scientifica e Tecnologica (MURST)
Original Assignee
MINI RICERCA SCIENT TECNOLOG
Ministero dell Universita e della Ricerca Scientifica e Tecnologica (MURST)
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 MINI RICERCA SCIENT TECNOLOG, Ministero dell Universita e della Ricerca Scientifica e Tecnologica (MURST) filed Critical MINI RICERCA SCIENT TECNOLOG
Publication of DE69308143D1 publication Critical patent/DE69308143D1/de
Application granted granted Critical
Publication of DE69308143T2 publication Critical patent/DE69308143T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • C08G63/78—Preparation processes
    • C08G63/82—Preparation processes characterised by the catalyst used
    • C08G63/823—Preparation processes characterised by the catalyst used for the preparation of polylactones or polylactides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Biological Depolymerization Polymers (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Catalysts (AREA)
DE69308143T 1992-08-04 1993-07-29 Verfahren zur herstellung von polymilchsäure Expired - Lifetime DE69308143T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITTO920676A IT1256918B (it) 1992-08-04 1992-08-04 Procedimento per la produzione di poli acido lattico.
PCT/EP1993/002033 WO1994003522A1 (en) 1992-08-04 1993-07-29 A process for the production of poly(lactic acid)

Publications (2)

Publication Number Publication Date
DE69308143D1 true DE69308143D1 (de) 1997-03-27
DE69308143T2 DE69308143T2 (de) 1997-08-07

Family

ID=11410669

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69308143T Expired - Lifetime DE69308143T2 (de) 1992-08-04 1993-07-29 Verfahren zur herstellung von polymilchsäure

Country Status (9)

Country Link
US (1) US5543494A (de)
EP (1) EP0654057B1 (de)
JP (1) JPH09505323A (de)
AT (1) ATE148902T1 (de)
CA (1) CA2141579A1 (de)
DE (1) DE69308143T2 (de)
ES (1) ES2099464T3 (de)
IT (1) IT1256918B (de)
WO (1) WO1994003522A1 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5359026A (en) * 1993-07-30 1994-10-25 Cargill, Incorporated Poly(lactide) copolymer and process for manufacture thereof
US5770683A (en) * 1994-11-02 1998-06-23 Mitsui Toatsu Chemicals, Inc. Preparation process of polyhydroxycarboxylic acid
DE19520093A1 (de) * 1995-06-01 1996-12-05 Bayer Ag Stärke und Polyurethane enthaltende Polymerblends
US5719256A (en) * 1995-10-19 1998-02-17 Mitsu Toatsu Chemicals, Inc. Process for preparing polycondensation polymer compound
FI103581B (fi) * 1996-11-11 1999-07-30 Fortum Heat And Gas Oy Menetelmä polyhydroksihappojen valmistamiseksi
DE19723807C2 (de) * 1997-06-06 2003-04-24 Ferring Gmbh Verfahren zur Herstellung von Copolyestern
US6734214B1 (en) * 1999-08-09 2004-05-11 Amato Pharmaceutical Products, Ltd. Remedies for diabetes
JP2002020474A (ja) * 2000-07-13 2002-01-23 Daicel Chem Ind Ltd ポリエステルの製造装置
US6839488B2 (en) * 2001-09-10 2005-01-04 California Institute Of Technology Tunable resonant cavity based on the field effect in semiconductors
CN1308367C (zh) * 2005-09-09 2007-04-04 浙江大学 一种制备羟基酸缩聚物的缩合聚合方法
EP2044251B1 (de) 2006-07-14 2019-10-02 NatureWorks LLC Biologisch abbaubarer aliphatischer polyester zur verwendung in vliesstoffen
MX2009000527A (es) 2006-07-14 2009-01-27 Kimberly Clark Co Acido polilactico biodegradable para su uso en telas no tejidas.
US8710172B2 (en) 2006-07-14 2014-04-29 Kimberly-Clark Worldwide, Inc. Biodegradable aliphatic-aromatic copolyester for use in nonwoven webs
EP2064261A1 (de) * 2006-12-15 2009-06-03 Kimberly-Clark Worldwide, Inc. Biologisch abbaubare polymilchsäuren zur verwendung bei der bildung von fasern
US20100048081A1 (en) * 2006-12-15 2010-02-25 Topolkaraev Vasily A Biodegradable polyesters for use in forming fibers
US8518311B2 (en) * 2007-08-22 2013-08-27 Kimberly-Clark Worldwide, Inc. Multicomponent biodegradable filaments and nonwoven webs formed therefrom
WO2009078849A2 (en) * 2007-12-13 2009-06-25 Kimberly-Clark Worldwide, Inc. Biodegradable fibers formed from a thermoplastic composition containing polylactic acid and a polyether copolymer
CN102046861B (zh) * 2008-05-30 2012-12-12 金伯利-克拉克环球有限公司 聚乳酸纤维
US8349346B2 (en) * 2008-11-18 2013-01-08 Koken Ltd. Antimicrobial composition, process for preparing the same, and utilization thereof
ES2524988T3 (es) 2010-02-26 2014-12-16 Council Of Scientific & Industrial Research Procedimiento mejorado para la preparación de L-lactida de rendimiento químico y pureza óptica altos
US8461262B2 (en) 2010-12-07 2013-06-11 Kimberly-Clark Worldwide, Inc. Polylactic acid fibers
LV14490B (lv) 2011-12-23 2012-05-20 Rīgas Tehniskā Universitāte Selektīvi katalizatori pienskābes iegūšanai no glicerīna
WO2016043264A1 (ja) 2014-09-17 2016-03-24 株式会社日本触媒 乳酸を含む蒸気組成物の製造方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3322791A (en) * 1963-09-26 1967-05-30 Ethicon Inc Preparation of optically active lactides
GB1142538A (en) * 1967-11-10 1969-02-12 Shell Int Research Polymerisation of pivalolactone
US4429105A (en) * 1983-02-22 1984-01-31 Celanese Corporation Process for preparing a polyester of hydroxy naphthoic acid and hydroxy benzoic acid
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
ES2052551T3 (es) * 1986-12-19 1994-07-16 Akzo Nv Metodo para preparar poli(acido lactico) o copolimeros de poli(acido lactico) por polimeracion de la lactida.
JP2714454B2 (ja) * 1988-11-07 1998-02-16 三井東圧化学株式会社 生体吸収性ポリエステルの製造方法
JPH032948A (ja) * 1989-05-30 1991-01-09 Citizen Watch Co Ltd 間欠動作の制御方式
US5302694A (en) * 1990-02-21 1994-04-12 Boehringer Ingelheim Gmbh Process for preparing polyesters based on hydroxycarboxylic acids
NL9001641A (nl) * 1990-07-19 1992-02-17 Stamicarbon Werkwijze voor het maken van polymere producten van cyclische esters.
US5206341A (en) * 1991-11-21 1993-04-27 Southern Research Institute Polymers from hydroxy acids and polycarboxylic acids
ES2139646T3 (es) * 1991-12-19 2000-02-16 Mitsui Chemicals Inc Acido polihidroxido carboxilico y su procedimiento de obtencion.
US5247059A (en) * 1992-01-24 1993-09-21 Cargill, Incorporated Continuous process for the manufacture of a purified lactide from esters of lactic acid

Also Published As

Publication number Publication date
ITTO920676A1 (it) 1994-02-04
ES2099464T3 (es) 1997-05-16
ITTO920676A0 (it) 1992-08-04
JPH09505323A (ja) 1997-05-27
WO1994003522A1 (en) 1994-02-17
CA2141579A1 (en) 1994-02-17
ATE148902T1 (de) 1997-02-15
DE69308143T2 (de) 1997-08-07
EP0654057A1 (de) 1995-05-24
IT1256918B (it) 1995-12-27
EP0654057B1 (de) 1997-02-12
US5543494A (en) 1996-08-06

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Legal Events

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8364 No opposition during term of opposition