BRPI0811247A2 - Método para produção de polímeros de ácido lático de alta cristalinidade e peso molecular. - Google Patents
Método para produção de polímeros de ácido lático de alta cristalinidade e peso molecular.Info
- Publication number
- BRPI0811247A2 BRPI0811247A2 BRPI0811247-9A2A BRPI0811247A BRPI0811247A2 BR PI0811247 A2 BRPI0811247 A2 BR PI0811247A2 BR PI0811247 A BRPI0811247 A BR PI0811247A BR PI0811247 A2 BRPI0811247 A2 BR PI0811247A2
- Authority
- BR
- Brazil
- Prior art keywords
- lactic acid
- range
- molecular weight
- acid polymers
- lactide
- Prior art date
Links
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 title abstract 6
- 235000014655 lactic acid Nutrition 0.000 title abstract 3
- 239000004310 lactic acid Substances 0.000 title abstract 3
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 229920000642 polymer Polymers 0.000 title abstract 2
- 238000006116 polymerization reaction Methods 0.000 abstract 4
- JJTUDXZGHPGLLC-UHFFFAOYSA-N lactide Chemical compound CC1OC(=O)C(C)OC1=O JJTUDXZGHPGLLC-UHFFFAOYSA-N 0.000 abstract 3
- 239000003054 catalyst Substances 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000000155 melt Substances 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000011541 reaction mixture Substances 0.000 abstract 1
- 239000007787 solid Substances 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
- C08G63/78—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)
- Biological Depolymerization Polymers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IN678MU2007 | 2007-04-04 | ||
| PCT/IN2008/000225 WO2009007989A2 (en) | 2007-04-04 | 2008-04-04 | Method for producing lactic acid polymers of high crystallinity and molecular weight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BRPI0811247A2 true BRPI0811247A2 (pt) | 2014-11-04 |
Family
ID=40228065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0811247-9A2A BRPI0811247A2 (pt) | 2007-04-04 | 2008-04-04 | Método para produção de polímeros de ácido lático de alta cristalinidade e peso molecular. |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8697832B2 (pt) |
| EP (1) | EP2137229B1 (pt) |
| JP (1) | JP5500451B2 (pt) |
| AT (1) | ATE543851T1 (pt) |
| BR (1) | BRPI0811247A2 (pt) |
| CA (1) | CA2681841C (pt) |
| WO (1) | WO2009007989A2 (pt) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2478107C2 (ru) * | 2009-12-25 | 2013-03-27 | Государственное образовательное учреждение высшего профессионального образования Российский химико-технологический университет им. Д.И. Менделеева (РХТУ им. Д.И. Менделеева) | Способ получения биоразлагаемого полимера |
| WO2015113168A1 (en) * | 2014-02-03 | 2015-08-06 | Greencentre Canada | Crystalline poly(lactic acid) and process for production thereof |
| KR101696980B1 (ko) * | 2014-11-20 | 2017-01-16 | 롯데케미칼 주식회사 | 모노머가 제거된 폴리유산 제조방법 |
| ES2855203T3 (es) * | 2015-06-05 | 2021-09-23 | Council Scient Ind Res | Un proceso de una etapa para la peletización de ácido poliláctico sin procesamiento en estado fundido |
| CN110628193A (zh) * | 2019-10-30 | 2019-12-31 | 蚌埠学院 | 一种高结晶度耐热型聚乳酸制备方法及装置 |
| CN115058790B (zh) * | 2022-07-20 | 2024-03-15 | 扬州惠通生物新材料有限公司 | 一种消光聚乳酸纤维的制备方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| DE69509927T2 (de) * | 1994-01-21 | 2000-01-27 | Shimadzu Corp | Methode zur Herstellung von Polymilchsäure |
| JP3471112B2 (ja) * | 1995-03-20 | 2003-11-25 | トヨタ自動車株式会社 | ポリ乳酸の重合方法及び重合装置 |
| JP3589333B2 (ja) * | 1995-07-25 | 2004-11-17 | トヨタ自動車株式会社 | ポリ乳酸の脱モノマー法及び装置 |
| EP0755956B1 (en) * | 1995-07-25 | 2004-01-14 | Toyota Jidosha Kabushiki Kaisha | Method for producing polylactic acid |
| JP4075089B2 (ja) * | 1996-12-09 | 2008-04-16 | トヨタ自動車株式会社 | ラクチドの製造方法 |
| JP2003138118A (ja) * | 2001-11-05 | 2003-05-14 | Asahi Kasei Corp | 乳酸系樹脂組成物 |
| US6831149B2 (en) * | 2002-06-28 | 2004-12-14 | Ethicon, Inc. | Polymerization process using mono-and di-functional initiators to prepare fast crystallizing polylactone copolymers |
-
2008
- 2008-04-04 WO PCT/IN2008/000225 patent/WO2009007989A2/en active Application Filing
- 2008-04-04 US US12/594,140 patent/US8697832B2/en not_active Expired - Fee Related
- 2008-04-04 AT AT08826220T patent/ATE543851T1/de active
- 2008-04-04 EP EP08826220A patent/EP2137229B1/en not_active Not-in-force
- 2008-04-04 CA CA2681841A patent/CA2681841C/en not_active Expired - Fee Related
- 2008-04-04 JP JP2010501670A patent/JP5500451B2/ja not_active Expired - Fee Related
- 2008-04-04 BR BRPI0811247-9A2A patent/BRPI0811247A2/pt not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CA2681841A1 (en) | 2009-01-15 |
| EP2137229B1 (en) | 2012-02-01 |
| ATE543851T1 (de) | 2012-02-15 |
| JP2010523755A (ja) | 2010-07-15 |
| JP5500451B2 (ja) | 2014-05-21 |
| CA2681841C (en) | 2015-06-02 |
| US8697832B2 (en) | 2014-04-15 |
| WO2009007989A2 (en) | 2009-01-15 |
| EP2137229A2 (en) | 2009-12-30 |
| US20100105859A1 (en) | 2010-04-29 |
| WO2009007989A3 (en) | 2009-04-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
Free format text: REFERENTE A 8A ANUIDADE. |
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| B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2384 DE 13-09-2016 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |
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| B350 | Update of information on the portal [chapter 15.35 patent gazette] |