IT1012009B - Preparazione di polilattidi di elevato peso molecolare - Google Patents
Preparazione di polilattidi di elevato peso molecolareInfo
- Publication number
- IT1012009B IT1012009B IT2166371A IT2166371A IT1012009B IT 1012009 B IT1012009 B IT 1012009B IT 2166371 A IT2166371 A IT 2166371A IT 2166371 A IT2166371 A IT 2166371A IT 1012009 B IT1012009 B IT 1012009B
- Authority
- IT
- Italy
- Prior art keywords
- preparation
- molecular weight
- high molecular
- weight polylactides
- polylactides
- Prior art date
Links
- 229920000747 poly(lactic acid) Polymers 0.000 title 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)
- Materials For Medical Uses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US2854170A | 1970-04-14 | 1970-04-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1012009B true IT1012009B (it) | 1977-03-10 |
Family
ID=21844018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT2166371A IT1012009B (it) | 1970-04-14 | 1971-03-11 | Preparazione di polilattidi di elevato peso molecolare |
Country Status (4)
| Country | Link |
|---|---|
| CA (1) | CA923245A (online.php) |
| DE (1) | DE2118127A1 (online.php) |
| FR (1) | FR2086047A2 (online.php) |
| IT (1) | IT1012009B (online.php) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3839297A (en) * | 1971-11-22 | 1974-10-01 | Ethicon Inc | Use of stannous octoate catalyst in the manufacture of l(-)lactide-glycolide copolymer sutures |
| DE3708916A1 (de) * | 1987-03-19 | 1988-09-29 | Boehringer Ingelheim Kg | Verfahren zur reinigung resorbierbarer polyester |
| EP0318567B1 (de) * | 1987-06-16 | 1992-03-18 | Boehringer Ingelheim Kg | Meso-lactid und verfahren zu seiner herstellung |
| US6323307B1 (en) | 1988-08-08 | 2001-11-27 | Cargill Dow Polymers, Llc | Degradation control of environmentally degradable disposable materials |
| US5180765A (en) * | 1988-08-08 | 1993-01-19 | Biopak Technology, Ltd. | Biodegradable packaging thermoplastics from lactides |
| US5424346A (en) * | 1988-08-08 | 1995-06-13 | Ecopol, Llc | Biodegradable replacement of crystal polystyrene |
| US6005067A (en) | 1992-01-24 | 1999-12-21 | Cargill Incorporated | Continuous process for manufacture of lactide polymers with controlled optical purity |
| US5142023A (en) * | 1992-01-24 | 1992-08-25 | Cargill, Incorporated | Continuous process for manufacture of lactide polymers with controlled optical purity |
| US5247059A (en) * | 1992-01-24 | 1993-09-21 | Cargill, Incorporated | Continuous process for the manufacture of a purified lactide from esters of lactic acid |
| US5258488A (en) * | 1992-01-24 | 1993-11-02 | Cargill, Incorporated | Continuous process for manufacture of lactide polymers with controlled optical purity |
| US5247058A (en) * | 1992-01-24 | 1993-09-21 | Cargill, Incorporated | Continuous process for manufacture of lactide polymers with controlled optical purity |
| US6326458B1 (en) | 1992-01-24 | 2001-12-04 | Cargill, Inc. | Continuous process for the manufacture of lactide and lactide polymers |
| NZ256978A (en) * | 1992-10-02 | 1996-05-28 | Cargill Inc | Paper product coated with a poly(lactide) composition comprising no more than 5 wt % lactide monomer, the poly(lactide) having a number average mw of 10,000 to 200,000 |
| KR100290012B1 (ko) | 1992-10-02 | 2001-05-15 | 패트릭 알 그루버 | 용융-안정성 락티드 폴리머 직물 및 그의 제조방법 |
| US5338822A (en) * | 1992-10-02 | 1994-08-16 | Cargill, Incorporated | Melt-stable lactide polymer composition and process for manufacture thereof |
| US6005068A (en) | 1992-10-02 | 1999-12-21 | Cargill Incorporated | Melt-stable amorphous lactide polymer film and process for manufacture thereof |
-
1971
- 1971-03-11 IT IT2166371A patent/IT1012009B/it active
- 1971-04-07 CA CA109845A patent/CA923245A/en not_active Expired
- 1971-04-13 FR FR7112922A patent/FR2086047A2/fr active Granted
- 1971-04-14 DE DE19712118127 patent/DE2118127A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2086047A2 (en) | 1971-12-31 |
| CA923245A (en) | 1973-03-20 |
| FR2086047B2 (online.php) | 1974-02-15 |
| DE2118127A1 (de) | 1971-10-28 |
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