GR900100721A - Πολυμερισμός λακτόνης που καταλύεται από ενώσεις υτρίου και σπανων γαιών. - Google Patents
Πολυμερισμός λακτόνης που καταλύεται από ενώσεις υτρίου και σπανων γαιών.Info
- Publication number
- GR900100721A GR900100721A GR900100721A GR900100721A GR900100721A GR 900100721 A GR900100721 A GR 900100721A GR 900100721 A GR900100721 A GR 900100721A GR 900100721 A GR900100721 A GR 900100721A GR 900100721 A GR900100721 A GR 900100721A
- Authority
- GR
- Greece
- Prior art keywords
- yttrium
- rare earth
- earth compounds
- lactone polymerization
- biodegradable
- Prior art date
Links
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
- C08G63/08—Lactones or lactides
-
- 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)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Abstract
Μέθοδος δια τον πολυμερισμό λακτόνων ο οποίος καταλύεται από ένωση υττρίου και σπανίων γαιών και ζωντανές συνθέσεις πολυμερών τέτοιων πολυμερισμών, νέα προϊόντα πολυεστέρος τέτοιων πολυμερισμών και νέες ενώσεις υττρίου και σπανίων γαιών που είναι χρήσιμες ως καταλύτες στον πολυμερισμό βιοαποικοδομησίμων πολυμερών δια ιατρικές χρησιμοποιήσεις και εύκαμπτες μεμβράνες δια συσκευασία. ω
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/414,964 US5028667A (en) | 1989-09-29 | 1989-09-29 | Yttrium and rare earth compounds catalyzed lactone polymerization |
Publications (1)
Publication Number | Publication Date |
---|---|
GR900100721A true GR900100721A (el) | 1992-01-20 |
Family
ID=23643768
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GR900100721A GR900100721A (el) | 1989-09-29 | 1990-09-28 | Πολυμερισμός λακτόνης που καταλύεται από ενώσεις υτρίου και σπανων γαιών. |
Country Status (20)
Country | Link |
---|---|
US (1) | US5028667A (el) |
EP (1) | EP0493529B1 (el) |
JP (1) | JP2858947B2 (el) |
CN (1) | CN1051367A (el) |
AT (1) | ATE124709T1 (el) |
AU (1) | AU6624490A (el) |
BR (1) | BR9007686A (el) |
CA (1) | CA2066029A1 (el) |
DE (1) | DE69020739T2 (el) |
FI (1) | FI921351A (el) |
GR (1) | GR900100721A (el) |
IE (1) | IE903483A1 (el) |
IL (1) | IL95804A0 (el) |
MX (1) | MX22628A (el) |
NZ (1) | NZ235503A (el) |
PL (1) | PL287107A1 (el) |
PT (1) | PT95470A (el) |
WO (1) | WO1991005001A1 (el) |
YU (1) | YU185290A (el) |
ZA (1) | ZA907797B (el) |
Families Citing this family (74)
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US5767222A (en) * | 1988-08-08 | 1998-06-16 | Chronopol, Inc. | Degradable polydioxaneone-based materials |
US5444113A (en) * | 1988-08-08 | 1995-08-22 | Ecopol, Llc | End use applications of biodegradable polymers |
US5252247A (en) * | 1988-11-14 | 1993-10-12 | Akzo America Inc. | Metal (dialkylaminoalcoholate) solutions |
US5709548A (en) * | 1990-02-23 | 1998-01-20 | Minnesota Mining And Manufacturing Company | Dental crown liner composition and methods of preparing provisional applications |
DK0443269T3 (da) * | 1990-02-23 | 1993-12-27 | Minnesota Mining & Mfg | Semi-termoplastisk støbemateriale med varmestabil hukommelse af individuelt tilpasset form |
US5066231A (en) * | 1990-02-23 | 1991-11-19 | Minnesota Mining And Manufacturing Company | Dental impression process using polycaprolactone molding composition |
WO1992004394A1 (en) * | 1990-09-11 | 1992-03-19 | E.I. Du Pont De Nemours And Company | Fluidized bed ring-opening polymerization |
US5264547A (en) * | 1991-04-12 | 1993-11-23 | Takasago International Corporation | Optically active ether lactone, optically active polymer thereof, and process for producing the polymer |
JP2717889B2 (ja) * | 1991-04-12 | 1998-02-25 | 高砂香料工業株式会社 | 光学活性エーテルラクトン類、その光学活性ポリマーおよびそのポリマーの製造方法 |
US5340646A (en) * | 1991-04-26 | 1994-08-23 | Mitsui Toatsu Chemicals, Inc. | Breathable, hydrolyzable porous film |
US5292859A (en) * | 1992-12-22 | 1994-03-08 | E. I. Du Pont De Nemours And Company | Rare earth metal coordination compounds as lactone polymerization catalysts |
US5208297A (en) * | 1991-12-30 | 1993-05-04 | E. I. Du Pont De Nemours And Company | Rare earth metal coordination compounds as lactone polymerization catalysts |
US5225521A (en) * | 1991-12-31 | 1993-07-06 | E. I. Du Pont De Nemours And Company | Star-shaped hydroxyacid polymers |
US5142023A (en) * | 1992-01-24 | 1992-08-25 | Cargill, Incorporated | Continuous process for manufacture of lactide polymers with controlled optical purity |
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 |
US6005067A (en) * | 1992-01-24 | 1999-12-21 | 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 |
US5235031A (en) * | 1992-03-13 | 1993-08-10 | E. I. Du Pont De Nemours And Company | Polymerization of lactide |
DE4218510A1 (de) * | 1992-06-02 | 1993-12-09 | Pharmatech Gmbh | Verfahren zur Herstellung biologisch abbaubarer Polyester |
US5541346A (en) * | 1992-10-21 | 1996-07-30 | E. I. Du Pont De Nemours And Company | Polymerization of, and depolymerization to, cyclic ethers using selected metal compound catalysts |
US5317064A (en) * | 1992-12-11 | 1994-05-31 | E. I. Du Pont De Nemours And Company | Manufacture of polylactide stereocomplexes |
US5420235A (en) * | 1993-01-21 | 1995-05-30 | E. I. Du Pont De Nemours And Company | Continuous poly (hydroxy acid) polymerization using a counter-current impeller mixing system |
US5631066A (en) * | 1993-01-25 | 1997-05-20 | Chronopol, Inc. | Process for making metalized films and films produced therefrom |
US5202413A (en) * | 1993-02-16 | 1993-04-13 | E. I. Du Pont De Nemours And Company | Alternating (ABA)N polylactide block copolymers |
US5342969A (en) * | 1993-03-03 | 1994-08-30 | E. I. Du Pont De Nemours And Company | Recovery of hydroxycarboxylic acid values from poly(hydroxycarboxylic acids) |
US5310599A (en) * | 1993-05-06 | 1994-05-10 | E. I. Du Pont De Nemours And Company | Method for making polymers of alpha-hydroxy acids |
FR2707653B1 (fr) * | 1993-07-16 | 1995-09-15 | Vetoquinol Sa | Conjugué entre un polymère biocompatible et biodégradable et une molécule notamment une molécule biologiquement active, à hydrogène mobile, son procédé de préparation et composition pharmaceutique comprenant ce conjugué. |
US5382617A (en) * | 1993-08-20 | 1995-01-17 | E. I. Du Pont De Nemours And Company | Stabilization of poly(hydroxy acid)s derived from lactic or glycolic acid |
US5374743A (en) * | 1993-09-30 | 1994-12-20 | E. I. Du Pont De Nemours And Company | Process for the synthesis of lactide or glycolide from lactic acid or glycolide acid oligomers |
US5489651A (en) * | 1994-02-14 | 1996-02-06 | The Regents Of The University Of California | Polymerization using bimetallic bis-lanthanoid initiators |
US5639466A (en) * | 1994-02-24 | 1997-06-17 | Chronopol, Inc. | Method for packaging foodstuffs |
US5399666A (en) * | 1994-04-21 | 1995-03-21 | E. I. Du Pont De Nemours And Company | Easily degradable star-block copolymers |
US5475069A (en) * | 1994-10-31 | 1995-12-12 | E. I. Du Pont De Nemours And Company | Polymerization of vinyl ethers |
AU4402396A (en) * | 1994-12-21 | 1996-07-10 | Universiteit Twente | Catalytic ring opening polymerization of lactones, carbonates, ethers, morpholine-2,5-diones and anhydrides and catalyst therefor |
US5656040A (en) * | 1995-07-06 | 1997-08-12 | Chevron Chemical Company | Aminoaromatic ester polylactone aminocarbamates and fuel compositions containing the same |
CA2178663A1 (en) * | 1995-07-06 | 1997-01-07 | Richard E. Cherpeck | Polylactone aminocarbamates and fuel compositions containing the same |
CA2178662A1 (en) * | 1995-07-06 | 1997-01-07 | Chevron Chemical Company | Polyoxyalkylene polylactone aminocarbamates and fuel compositions containing the same |
US5633342A (en) * | 1995-10-27 | 1997-05-27 | Chronopol, Inc. | Method for the synthesis of environmentally degradable block copolymers |
US5622532A (en) * | 1996-06-20 | 1997-04-22 | Chevron Chemical Company | Polylactone aromatic esters and fuel compositions containing the same |
US5618319A (en) * | 1996-06-20 | 1997-04-08 | Chevron Chemical Company | Alkylamine polylactone aminocarbamates and fuel compositions containing the same |
CN1080737C (zh) * | 1998-06-23 | 2002-03-13 | 北京服装学院高分子材料研究所 | 聚酯类聚合物合成的混合催化剂 |
EP1043066A1 (fr) * | 1999-04-09 | 2000-10-11 | Omnichem S.A. | Compositions catalytiques à base d'yttrium et des métaux des terres rares pour la polymérisation de composés hétérocycliques oxygénés |
WO2001042333A2 (en) * | 1999-12-13 | 2001-06-14 | Michigan State University | Process for the preparation of polymers of dimeric cyclic esters |
EP1236753A1 (en) * | 2001-03-02 | 2002-09-04 | Hycail B.V. | Environmentally degradable polymeric compounds, their preparation and use as hot melt adhesive |
US20020142304A1 (en) * | 2001-03-09 | 2002-10-03 | Anderson Daniel G. | Uses and methods of making microarrays of polymeric biomaterials |
SG92833A1 (en) | 2001-03-27 | 2002-11-19 | Sumitomo Chemical Co | Polymeric light emitting substance and polymer light emitting device using the same |
JP5177200B2 (ja) * | 2001-03-29 | 2013-04-03 | 東レ株式会社 | ポリ乳酸組成物、成形品およびポリ乳酸組成物の製造方法 |
JP4656056B2 (ja) * | 2001-03-29 | 2011-03-23 | 東レ株式会社 | ポリ乳酸ブロック共重合体、その製造方法、成形品およびポリ乳酸組成物 |
ATE388182T1 (de) * | 2001-07-10 | 2008-03-15 | Kureha Corp | Polyhydroxycarbonsäure und verfahren zu dessen herstellung |
US20040028804A1 (en) * | 2002-08-07 | 2004-02-12 | Anderson Daniel G. | Production of polymeric microarrays |
US20050136536A1 (en) * | 2003-09-15 | 2005-06-23 | Anderson Daniel G. | Embryonic epithelial cells |
US20070117959A1 (en) * | 2003-12-15 | 2007-05-24 | The Children's Hospital Of Philadelphia | Novel polyesters |
EP1602676A1 (en) * | 2004-06-01 | 2005-12-07 | SOLVAY (Société Anonyme) | Catalytic compositions |
CN101346067B (zh) * | 2005-11-22 | 2013-03-27 | 塞格提斯有限公司 | 甘油乙酰丙酸酯缩酮及其用途 |
EP2045254B1 (en) * | 2006-07-07 | 2013-01-09 | Sumitomo Chemical Company, Limited | Rare earth metal complex, catalyst for polymerization and process for producing polymer |
CN100422196C (zh) * | 2006-09-21 | 2008-10-01 | 苏州大学 | 烷氧基稀土钠钾多金属簇合物及其用途 |
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WO2008123565A1 (ja) * | 2007-03-30 | 2008-10-16 | Teijin Limited | ポリ乳酸組成物およびそれよりなる繊維 |
WO2008124035A2 (en) * | 2007-04-09 | 2008-10-16 | University Of Connecticut | Ring-opening polymerization of cyclic esters, polyesters formed thereby, and articles comprising the polyesters |
CA2736636A1 (en) | 2008-09-25 | 2010-04-01 | Segetis, Inc. | Ketal ester derivatives |
KR101808867B1 (ko) | 2009-06-22 | 2018-01-18 | 세게티스, 인코포레이티드. | 케탈 화합물 및 이의 용도 |
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US20160208094A1 (en) | 2014-12-19 | 2016-07-21 | Earth Renewable Technologies | Extrudable polylactic acid composition and method of makingmolded articles utilizing the same |
CN105061479B (zh) * | 2015-08-07 | 2017-04-05 | 常州大学 | 镧配位聚合物及其制备方法和催化乙交酯开环聚合的应用 |
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CN115612081B (zh) * | 2022-10-25 | 2023-05-12 | 苏州大学 | 一种环状聚(l-丙交酯)的制备方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3169945A (en) * | 1956-04-13 | 1965-02-16 | Union Carbide Corp | Lactone polyesters |
US4719246A (en) * | 1986-12-22 | 1988-01-12 | E. I. Du Pont De Nemours And Company | Polylactide compositions |
JPS6368631A (ja) * | 1986-09-09 | 1988-03-28 | Daicel Chem Ind Ltd | ポリε−カプロラクトン樹脂 |
BE1001149A6 (fr) * | 1989-05-17 | 1989-08-01 | Chimie Macromoleculaire Et De | Procede de preparation de polymeres de lactones fonctionnels, polylactones telles qu'ainsi obtenues et leur utilisation. |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT570071A (el) * | 1956-04-13 | |||
JPS5575422A (en) * | 1978-11-30 | 1980-06-06 | Daicel Chem Ind Ltd | Preparation of lactonepolyester |
JPS56149422A (en) * | 1980-04-23 | 1981-11-19 | Daicel Chem Ind Ltd | Preparation of lactone high-polymer |
-
1989
- 1989-09-29 US US07/414,964 patent/US5028667A/en not_active Expired - Lifetime
-
1990
- 1990-09-05 WO PCT/US1990/004951 patent/WO1991005001A1/en active IP Right Grant
- 1990-09-05 AT AT90916131T patent/ATE124709T1/de not_active IP Right Cessation
- 1990-09-05 DE DE69020739T patent/DE69020739T2/de not_active Expired - Fee Related
- 1990-09-05 AU AU66244/90A patent/AU6624490A/en not_active Abandoned
- 1990-09-05 EP EP90916131A patent/EP0493529B1/en not_active Expired - Lifetime
- 1990-09-05 BR BR909007686A patent/BR9007686A/pt unknown
- 1990-09-05 JP JP2514939A patent/JP2858947B2/ja not_active Expired - Fee Related
- 1990-09-05 CA CA002066029A patent/CA2066029A1/en not_active Abandoned
- 1990-09-26 IL IL95804A patent/IL95804A0/xx unknown
- 1990-09-28 PT PT95470A patent/PT95470A/pt not_active Application Discontinuation
- 1990-09-28 GR GR900100721A patent/GR900100721A/el unknown
- 1990-09-28 PL PL28710790A patent/PL287107A1/xx unknown
- 1990-09-28 MX MX2262890A patent/MX22628A/es unknown
- 1990-09-28 NZ NZ235503A patent/NZ235503A/en unknown
- 1990-09-28 ZA ZA907797A patent/ZA907797B/xx unknown
- 1990-09-28 IE IE348390A patent/IE903483A1/en unknown
- 1990-09-29 CN CN90108998A patent/CN1051367A/zh active Pending
- 1990-10-01 YU YU185290A patent/YU185290A/sh unknown
-
1992
- 1992-03-27 FI FI921351A patent/FI921351A/fi unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3169945A (en) * | 1956-04-13 | 1965-02-16 | Union Carbide Corp | Lactone polyesters |
JPS6368631A (ja) * | 1986-09-09 | 1988-03-28 | Daicel Chem Ind Ltd | ポリε−カプロラクトン樹脂 |
US4719246A (en) * | 1986-12-22 | 1988-01-12 | E. I. Du Pont De Nemours And Company | Polylactide compositions |
BE1001149A6 (fr) * | 1989-05-17 | 1989-08-01 | Chimie Macromoleculaire Et De | Procede de preparation de polymeres de lactones fonctionnels, polylactones telles qu'ainsi obtenues et leur utilisation. |
Non-Patent Citations (7)
Title |
---|
CHEMICAL ABSTRACTS, vol. 110, no. 20, 15th May 1989, page 4, abstract no. 173825r, Columbus, Ohio, US; J. SUN et al.: "A new catalyst for the ring opening polymerization and copolymerization of lactide", & ZHEJIANG DAXUE XUEBAO, ZIRAN KEXUEBAN 1988, 22(6), 203 * |
CHEMICAL ABSTRACTS, vol. 99, no. 16, 17th October 1983, page 650, abstract no. 132703k, Columbus, Ohio, US; H. SUGIMOTO et al.: "Preparation and characterization of some rare-earth complexes of the phthalocyanine radical", & CHEM. LETT. 1983, (8), 1167-70 * |
CLAIMS SEARCHED: ALL * |
DIE MAKROMOLEKULARE CHEMIE, vol. 191, no. 3, March 1990, pages 481-488, Basel, CH; N. YUI et al.: "Stereo block copolymers of L- and D-lactides * |
DIE MAKROMOLEKULARE CHEMIE: MACROMOLECULAR SYMPOSIA, vol. 32, February 1990, pages 285-298, Basel, CH; H.R. KRICHELDORF et al.: "Anionic and pseudoanionic polymerization of lactones - A comparison", (IX. INTERNATIONAL SYMPOSIUM ON CATIONIC POLYMERIZATION AND RELATED IONIC PROCESSES, Strasbourg, 5th - 9th June 1989) * |
MACROMOLECULES, vol. 21, no. 2, February 1988, pages 286-293, Washington, DC, US; H.R. KRICHELDORF et al.: "Poly(lactones). 9. Polymerization mechanism of metal alkoxide initiated polymerizations of lactide and various lactones" * |
WPIL, accession no. 88-123710 [18], Derwent Publications Ltd, London, GB; & JP-A-63 068 631 (DAICEL CHEM. IND.) 28-03-1988 * |
Also Published As
Publication number | Publication date |
---|---|
AU6624490A (en) | 1991-04-28 |
EP0493529B1 (en) | 1995-07-05 |
US5028667B1 (el) | 1993-02-09 |
IL95804A0 (en) | 1991-06-30 |
JPH05500982A (ja) | 1993-02-25 |
EP0493529A1 (en) | 1992-07-08 |
WO1991005001A1 (en) | 1991-04-18 |
CA2066029A1 (en) | 1991-03-30 |
US5028667A (en) | 1991-07-02 |
PL287107A1 (en) | 1992-03-23 |
BR9007686A (pt) | 1992-08-18 |
MX22628A (es) | 1993-11-01 |
DE69020739D1 (de) | 1995-08-10 |
YU185290A (sh) | 1992-09-07 |
CN1051367A (zh) | 1991-05-15 |
JP2858947B2 (ja) | 1999-02-17 |
PT95470A (pt) | 1991-05-22 |
NZ235503A (en) | 1993-03-26 |
ATE124709T1 (de) | 1995-07-15 |
IE903483A1 (en) | 1991-04-10 |
FI921351A0 (fi) | 1992-03-27 |
DE69020739T2 (de) | 1995-11-23 |
ZA907797B (en) | 1992-05-27 |
FI921351A (fi) | 1992-03-27 |
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