ES2099464T3 - Procedimiento para la produccion de acido (poli)lactico. - Google Patents

Procedimiento para la produccion de acido (poli)lactico.

Info

Publication number
ES2099464T3
ES2099464T3 ES93917701T ES93917701T ES2099464T3 ES 2099464 T3 ES2099464 T3 ES 2099464T3 ES 93917701 T ES93917701 T ES 93917701T ES 93917701 T ES93917701 T ES 93917701T ES 2099464 T3 ES2099464 T3 ES 2099464T3
Authority
ES
Spain
Prior art keywords
poly
procedure
production
lactic acid
lactic
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
ES93917701T
Other languages
English (en)
Inventor
Gabriele Perego
Catia Bastioli
Karolina 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.)
Ministero dell Universita e della Ricerca Scientifica e Tecnologica (MURST)
Original Assignee
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 Ministero dell Universita e della Ricerca Scientifica e Tecnologica (MURST) filed Critical Ministero dell Universita e della Ricerca Scientifica e Tecnologica (MURST)
Application granted granted Critical
Publication of ES2099464T3 publication Critical patent/ES2099464T3/es
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)
  • Catalysts (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)

Abstract

EL ACIDO POLI(LACTICO) CON UN ELEVADO PESO MOLECULAR SE PRODUCE MEDIANTE LA REACCION DE POLICONDENSACION DEL MONOMERO LIBRE LLEVADO A CABO EN PRESENCIA DE UNA CANTIDAD CATALITICAMENTE EFECTIVA DE IONES DE HIERRO. COMO PRINCIPALES PRODUCTOS SE OBTIENEN ACIDO POLI(LACTICO) DE ELEVADO PESO MOLECULAR Y LACTURO.
ES93917701T 1992-08-04 1993-07-29 Procedimiento para la produccion de acido (poli)lactico. Expired - Lifetime ES2099464T3 (es)

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
ES2099464T3 true ES2099464T3 (es) 1997-05-16

Family

ID=11410669

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93917701T Expired - Lifetime ES2099464T3 (es) 1992-08-04 1993-07-29 Procedimiento para la produccion de acido (poli)lactico.

Country Status (9)

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

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
CN1165314C (zh) * 1999-08-09 2004-09-08 天藤制药株式会社 聚乳酸混合物在制备糖尿病治疗剂中的用途
JP2002020474A (ja) * 2000-07-13 2002-01-23 Daicel Chem Ind Ltd ポリエステルの製造装置
WO2003023474A1 (en) * 2001-09-10 2003-03-20 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
MX2009000527A (es) 2006-07-14 2009-01-27 Kimberly Clark Co Acido polilactico biodegradable para su uso en telas no tejidas.
MX2009000526A (es) 2006-07-14 2009-01-27 Kimberly Clark Co Copoliester alifatico-aromatico biodegradable para usarse en telas no tejidas.
US8609808B2 (en) 2006-07-14 2013-12-17 Kimberly-Clark Worldwide, Inc. Biodegradable aliphatic polyester for use in nonwoven webs
WO2008073099A1 (en) * 2006-12-15 2008-06-19 Kimberly-Clark Worldwide, Inc. Biodegradable polyesters for use in forming fibers
US20100048082A1 (en) * 2006-12-15 2010-02-25 Topolkaraev Vasily A Biodegradable polylactic acids for use in forming fibers
WO2009024836A1 (en) * 2007-08-22 2009-02-26 Kimberly-Clark Worldwide, Inc. Multicomponent biodegradable filaments and nonwoven webs formed therefrom
EP2220277A2 (en) * 2007-12-13 2010-08-25 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
BR112012021345B1 (pt) 2010-02-26 2022-01-11 Council Of Scientific & Industrial Research Processo para a preparação de l-lactídeo
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
US9758463B1 (en) 2014-09-17 2017-09-12 Nippon Shokubai Co., Ltd. Method for producing vapor composition containing lactic acid

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
DE3778111D1 (de) * 1986-10-24 1992-05-14 Boehringer Ingelheim Kg Verfahren zur herstellung und reinigung thermolabiler verbindungen.
ATE79386T1 (de) * 1986-12-19 1992-08-15 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
DE69230032T2 (de) * 1991-12-19 2000-02-03 Mitsui Chemicals Inc Polyhydroxycarbonsäure und verfahren zu ihrer herstellung
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
ATE148902T1 (de) 1997-02-15
JPH09505323A (ja) 1997-05-27
US5543494A (en) 1996-08-06
ITTO920676A0 (it) 1992-08-04
WO1994003522A1 (en) 1994-02-17
EP0654057A1 (en) 1995-05-24
IT1256918B (it) 1995-12-27
CA2141579A1 (en) 1994-02-17
DE69308143D1 (de) 1997-03-27
DE69308143T2 (de) 1997-08-07
EP0654057B1 (en) 1997-02-12
ITTO920676A1 (it) 1994-02-04

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