ATE148902T1 - Verfahren zur herstellung von polymilchsäure - Google Patents

Verfahren zur herstellung von polymilchsäure

Info

Publication number: ATE148902T1
Authority: AT; Austria
Prior art keywords: pct; polylactic acid; sec; molecular weight; lactic acid
Prior art date: 1992-08-04

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.)

1992-08-04

Filing date

1993-07-29

Publication date

1997-02-15

1993-07-29 Application filed by Mini Ricerca Scient Tecnolog filed Critical Mini Ricerca Scient Tecnolog

1997-02-15 Application granted granted Critical

1997-02-15 Publication of ATE148902T1 publication Critical patent/ATE148902T1/de

Links

229920000747 poly(lactic acid) Polymers 0.000 title abstract 2
238000004519 manufacturing process Methods 0.000 title 1
239000004626 polylactic acid Substances 0.000 title 1
-1 iron ions Chemical class 0.000 abstract 3
JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 abstract 2
XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 1
229910052742 iron Inorganic materials 0.000 abstract 1
235000014655 lactic acid Nutrition 0.000 abstract 1
239000004310 lactic acid Substances 0.000 abstract 1
JJTUDXZGHPGLLC-UHFFFAOYSA-N lactide Chemical compound CC1OC(=O)C(C)OC1=O JJTUDXZGHPGLLC-UHFFFAOYSA-N 0.000 abstract 1
239000000178 monomer Substances 0.000 abstract 1
238000006068 polycondensation reaction Methods 0.000 abstract 1

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)

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
EA004250B1 (ru) *	1999-08-09	2004-02-26	Амато Фармасьютикал Продактс, Лтд.	Терапевтический агент для диабета
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
US9091004B2 (en)	2006-07-14	2015-07-28	Kimberly-Clark Worldwide, Inc.	Biodegradable polylactic acid for use in nonwoven webs
MX2009000526A (es)	2006-07-14	2009-01-27	Kimberly Clark Co	Copoliester alifatico-aromatico biodegradable para usarse en telas no tejidas.
EP2044251B1 (de)	2006-07-14	2019-10-02	NatureWorks LLC	Biologisch abbaubarer aliphatischer polyester zur verwendung in vliesstoffen
WO2008073099A1 (en) *	2006-12-15	2008-06-19	Kimberly-Clark Worldwide, Inc.	Biodegradable polyesters for use in forming fibers
EP2064261A1 (de) *	2006-12-15	2009-06-03	Kimberly-Clark Worldwide, Inc.	Biologisch abbaubare polymilchsäuren zur verwendung bei der bildung von fasern
WO2009024836A1 (en) *	2007-08-22	2009-02-26	Kimberly-Clark Worldwide, Inc.	Multicomponent biodegradable filaments and nonwoven webs formed therefrom
US20100323575A1 (en) *	2007-12-13	2010-12-23	Aimin He	Biodegradable fibers formed from a thermoplastic composition containing polylactic acid and a polyether copolymer
KR101526636B1 (ko) *	2008-05-30	2015-06-05	킴벌리-클라크 월드와이드, 인크.	폴리락트산 섬유
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
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.
EP0275581B1 (de) *	1986-12-19	1992-08-12	Akzo N.V.	Herstellung von Polymilchsäure 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
FI933471A0 (fi) *	1991-12-19	1993-08-05	Mitsui Toatsu Chemicals	Polyhydroxikarboxylsyra och foerfarande foer dess framstaellning
US5247059A (en) *	1992-01-24	1993-09-21	Cargill, Incorporated	Continuous process for the manufacture of a purified lactide from esters of lactic acid

1992
- 1992-08-04 IT ITTO920676A patent/IT1256918B/it active IP Right Grant
1993
- 1993-07-29 JP JP6504991A patent/JPH09505323A/ja active Pending
- 1993-07-29 ES ES93917701T patent/ES2099464T3/es not_active Expired - Lifetime
- 1993-07-29 DE DE69308143T patent/DE69308143T2/de not_active Expired - Lifetime
- 1993-07-29 WO PCT/EP1993/002033 patent/WO1994003522A1/en not_active Ceased
- 1993-07-29 EP EP93917701A patent/EP0654057B1/de not_active Expired - Lifetime
- 1993-07-29 AT AT93917701T patent/ATE148902T1/de not_active IP Right Cessation
- 1993-07-29 CA CA002141579A patent/CA2141579A1/en not_active Abandoned
- 1993-07-29 US US08/374,733 patent/US5543494A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
IT1256918B (it)	1995-12-27
DE69308143D1 (de)	1997-03-27
CA2141579A1 (en)	1994-02-17
US5543494A (en)	1996-08-06
ITTO920676A1 (it)	1994-02-04
ITTO920676A0 (it)	1992-08-04
EP0654057B1 (de)	1997-02-12
WO1994003522A1 (en)	1994-02-17
EP0654057A1 (de)	1995-05-24
ES2099464T3 (es)	1997-05-16
JPH09505323A (ja)	1997-05-27
DE69308143T2 (de)	1997-08-07

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Legal Events

Date	Code	Title	Description
1997-08-15	UEP	Publication of translation of european patent specification
2004-04-15	REN	Ceased due to non-payment of the annual fee