ATE148902T1 - Verfahren zur herstellung von polymilchsäure - Google Patents
Verfahren zur herstellung von polymilchsäureInfo
- 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
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)
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)
| 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 |
| HK1047237A1 (en) * | 1999-08-09 | 2003-02-14 | 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 |
| 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 |
| US8609808B2 (en) | 2006-07-14 | 2013-12-17 | Kimberly-Clark Worldwide, Inc. | Biodegradable aliphatic polyester 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 |
| EP2041346B1 (de) | 2006-07-14 | 2011-12-21 | Kimberly-Clark Worldwide, Inc. | Biologisch abbaubare polymilchsäure zur verwendung in vliesstoffen |
| US20100048081A1 (en) * | 2006-12-15 | 2010-02-25 | Topolkaraev Vasily A | Biodegradable polyesters for use in forming fibers |
| 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 |
| WO2009024836A1 (en) * | 2007-08-22 | 2009-02-26 | Kimberly-Clark Worldwide, Inc. | Multicomponent biodegradable filaments and nonwoven webs formed therefrom |
| BRPI0722204A2 (pt) * | 2007-12-13 | 2014-11-04 | Kimberly Clark Co | "fibras biodegradáveis formadas de uma composição termoplástica contendo ácido polilático e um copolímero de poliéter" |
| 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 |
| WO2011104728A1 (en) | 2010-02-26 | 2011-09-01 | Council Of Scientific & Industrial Research | Improved process for the preparation of l-lactide of high chemical yield and optical purity |
| 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)
| 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 |
| 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 |
-
1992
- 1992-08-04 IT ITTO920676A patent/IT1256918B/it active IP Right Grant
-
1993
- 1993-07-29 DE DE69308143T patent/DE69308143T2/de not_active Expired - Lifetime
- 1993-07-29 ES ES93917701T patent/ES2099464T3/es not_active Expired - Lifetime
- 1993-07-29 AT AT93917701T patent/ATE148902T1/de not_active IP Right Cessation
- 1993-07-29 JP JP6504991A patent/JPH09505323A/ja active Pending
- 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
- 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
Also Published As
| Publication number | Publication date |
|---|---|
| EP0654057A1 (de) | 1995-05-24 |
| ITTO920676A0 (it) | 1992-08-04 |
| CA2141579A1 (en) | 1994-02-17 |
| DE69308143D1 (de) | 1997-03-27 |
| DE69308143T2 (de) | 1997-08-07 |
| IT1256918B (it) | 1995-12-27 |
| ITTO920676A1 (it) | 1994-02-04 |
| EP0654057B1 (de) | 1997-02-12 |
| JPH09505323A (ja) | 1997-05-27 |
| US5543494A (en) | 1996-08-06 |
| ES2099464T3 (es) | 1997-05-16 |
| WO1994003522A1 (en) | 1994-02-17 |
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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 |