ATE148902T1 - Verfahren zur herstellung von polymilchsäure - Google Patents

Verfahren zur herstellung von polymilchsäure

Info

Publication number
ATE148902T1
ATE148902T1 AT93917701T AT93917701T ATE148902T1 AT E148902 T1 ATE148902 T1 AT E148902T1 AT 93917701 T AT93917701 T AT 93917701T AT 93917701 T AT93917701 T AT 93917701T AT E148902 T1 ATE148902 T1 AT E148902T1
Authority
AT
Austria
Prior art keywords
pct
polylactic acid
sec
molecular weight
lactic acid
Prior art date
Application number
AT93917701T
Other languages
English (en)
Inventor
Gabriele Perego
Catia Bastioli
Karolina Ul Zachod Grzebieniak
Antoni Niekraszewicz
Original Assignee
Mini Ricerca Scient Tecnolog
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 filed Critical Mini Ricerca Scient Tecnolog
Application granted granted Critical
Publication of ATE148902T1 publication Critical patent/ATE148902T1/de

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)
  • Catalysts (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
AT93917701T 1992-08-04 1993-07-29 Verfahren zur herstellung von polymilchsäure ATE148902T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO920676A IT1256918B (it) 1992-08-04 1992-08-04 Procedimento per la produzione di poli acido lattico.

Publications (1)

Publication Number Publication Date
ATE148902T1 true ATE148902T1 (de) 1997-02-15

Family

ID=11410669

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93917701T ATE148902T1 (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
FI103581B1 (fi) * 1996-11-11 1999-07-30 Neste Oy Menetelmä polyhydroksihappojen valmistamiseksi
DE19723807C2 (de) * 1997-06-06 2003-04-24 Ferring Gmbh Verfahren zur Herstellung von Copolyestern
AU779592B2 (en) * 1999-08-09 2005-02-03 Amato Pharmaceutical Products, Ltd. Therapeutic agent 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
US6895148B2 (en) * 2001-09-10 2005-05-17 California Institute Of Technology Modulator based on tunable resonant cavity
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
KR101297937B1 (ko) 2006-07-14 2013-08-19 킴벌리-클라크 월드와이드, 인크. 부직 웹에 사용하기 위한 생분해성 지방족 폴리에스테르
WO2008008074A1 (en) 2006-07-14 2008-01-17 Kimberly-Clark Worldwide, Inc. Biodegradable polyactic acid for use in nonwoven webs
EP2041341B1 (de) 2006-07-14 2010-11-03 Kimberly-Clark Worldwide, Inc. Biologisch abbaubarer aliphatisch-aromatischer copolyester zur verwendung in vliesstoffen
CN101563392B (zh) * 2006-12-15 2013-02-13 金伯利-克拉克环球有限公司 用于形成纤维的生物可降解聚酯
CN101563391B (zh) * 2006-12-15 2012-04-18 金伯利-克拉克环球有限公司 用于形成纤维的生物可降解聚乳酸
ATE506472T1 (de) * 2007-08-22 2011-05-15 Kimberly Clark Co Mehrkomponentige biologisch abbaubare filamente und daraus gebildete vliesstoffe
AU2007362596B2 (en) * 2007-12-13 2014-05-22 Kimberly-Clark Worldwide, Inc. Biodegradable fibers formed from a thermoplastic composition containing polylactic acid and a polyether copolymer
WO2009145778A1 (en) * 2008-05-30 2009-12-03 Kimberly-Clark Worldwide, Inc. Polylactic acid fibers
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
DE3781133T2 (de) * 1986-12-19 1993-06-24 Akzo Nv Herstellung von polymilchsaeure und copolymeren daraus.
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
WO1993012160A1 (fr) * 1991-12-19 1993-06-24 Mitsui Toatsu Chemicals, Inc. Acide polyhydroxy carboxylique et son procede de production
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
ES2099464T3 (es) 1997-05-16
ITTO920676A0 (it) 1992-08-04
DE69308143D1 (de) 1997-03-27
IT1256918B (it) 1995-12-27
US5543494A (en) 1996-08-06
DE69308143T2 (de) 1997-08-07
JPH09505323A (ja) 1997-05-27
EP0654057B1 (de) 1997-02-12
WO1994003522A1 (en) 1994-02-17
EP0654057A1 (de) 1995-05-24
CA2141579A1 (en) 1994-02-17
ITTO920676A1 (it) 1994-02-04

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee