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
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
NZ517082A (en) *	1999-08-09	2003-09-26	Amato Pharm Prod 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
US7120338B2 (en) *	2001-09-10	2006-10-10	California Institute Of Technology	Tuning the index of a waveguide structure
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
DE602006018078D1 (de)	2006-07-14	2010-12-16	Kimberly Clark Co	Biologisch abbaubarer aliphatisch-aromatischer copolyester 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.
WO2008073101A1 (en) *	2006-12-15	2008-06-19	Kimberly-Clark Worldwide, Inc.	Biodegradable polylactic acids for use in forming fibers
JP2010513594A (ja) *	2006-12-15	2010-04-30	キンバリークラークワールドワイドインコーポレイテッド	繊維の形成に使用する生分解性ポリエステル
KR101422317B1 (ko) *	2007-08-22	2014-07-30	킴벌리-클라크 월드와이드, 인크.	다성분 생분해성 필라멘트 및 그로부터 형성되는 부직 웹
EP2220277A2 (de) *	2007-12-13	2010-08-25	Kimberly-Clark Worldwide, Inc.	Biologisch abbaubare fasern aus einer thermoplastischen zusammensetzung mit einem gehalt an polymilchsäure und einem polyethercopolymer
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
EP2539332B1 (de)	2010-02-26	2014-08-27	Council Of Scientific & Industrial Research	Verbessertes verfahren zur herstellung von l-lactid mit hohem chemischem gehalt und hoher optischer reinheit
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
EP3196186B1 (de)	2014-09-17	2019-02-20	Nippon Shokubai Co., Ltd.	Verfahren zur herstellung einer dampfzusammensetzung mit milchsäure

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
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

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

Also Published As

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

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

Publication	Publication Date	Title
ATE148902T1 (de)	1997-02-15	Verfahren zur herstellung von polymilchsäure
ATE282653T1 (de)	2004-12-15	Saure polymilchsäure polymere
DE69433177D1 (de)	2003-10-30	Kulturmedium und verfahren zur herstellung von hyaluronsäure mit hohem molekulargewicht
DK0615532T3 (da)	2000-10-16	Smeltestabil polylactidsammensætning
DE59811531D1 (de)	2004-07-15	Verfahren zur Herstellung von Polyisocyanaten
DE69330046D1 (de)	2001-04-26	Schmelzstabiles lactidpolymergewebe und verfahren zu seiner herstellung
KR970065586A (ko)	1997-10-13	폴리락트산의 제조방법
DE59407107D1 (de)	1998-11-19	Verwendung von Polyasparaginsäure in Waschmittel
ATE241650T1 (de)	2003-06-15	Verfahren zur herstellung von synthetischen polymerisaten mit sehr niedrigem restmonomergehalt, danach hergestellte produkte und deren verwendung
KR970002523B1 (en)	1997-03-05	Biodegradable polylactic acid having improved properties and method for manufacturing the same
DE59503856D1 (de)	1998-11-12	Amphiphile polyester, verfahren zu ihrer herstellung und ihre verwendung in waschmitteln
DE69316278D1 (de)	1998-02-19	Verfahren zur Herstellung von Polysuccinimidpolymeren
EP1357119A4 (de)	2004-08-25	Verfahren zur herstellung von lactid und verfahren zur herstellung von polymilchsäure ausgehend von fermentierter milchsäure
ATE184024T1 (de)	1999-09-15	Verfahren zur herstellung von einer hyaluronsäurefraktion mit niedrigem polydispersionindex
ATE208406T1 (de)	2001-11-15	Verfahren zur herstellung von polyaminosäuren
ATE274013T1 (de)	2004-09-15	Verfahren zur polymerisation von lactid
DE59505719D1 (de)	1999-05-27	Verfahren zur herstellung von polyasparaginsäure
ATE172185T1 (de)	1998-10-15	Verfahren zur gleichzeitigen herstellung von dicarbonsäuren und diaminen durch spaltung von polyamiden in ihre monomeren bestandteile
DE69808086D1 (de)	2002-10-24	Ein verfahren zur herstellung von 1,4,7,10-tetraazacyclododecan-1,4,7-triessigsäure und deren derivaten
DE59503194D1 (de)	1998-09-17	Verfahren zur herstellung von stärkeabbauprodukten
ATE167208T1 (de)	1998-06-15	Verfahren zur herstellung von ligninhaltigen polymeren
ATE309286T1 (de)	2005-11-15	Verfahren zur herstellung von polyesterpolyolen mehrwertiger alkohole
ATE175693T1 (de)	1999-01-15	Herstellung von anhydropolyamidsäuren
DE59309047D1 (de)	1998-11-12	Verfahren zur gleichzeitigen herstellung von dicarbonsäuren und diaminen aus polyamiden
DE69619500D1 (de)	2002-04-04	Verfahren zur herstellung von polyhydroxycarbonsäure