ATE124709T1 - Durch yttrium- und seltenerdverbindungen katalysierte lactonpolymerisation. - Google Patents

Durch yttrium- und seltenerdverbindungen katalysierte lactonpolymerisation.

Info

Publication number
ATE124709T1
ATE124709T1 AT90916131T AT90916131T ATE124709T1 AT E124709 T1 ATE124709 T1 AT E124709T1 AT 90916131 T AT90916131 T AT 90916131T AT 90916131 T AT90916131 T AT 90916131T AT E124709 T1 ATE124709 T1 AT E124709T1
Authority
AT
Austria
Prior art keywords
yttrium
rare earth
earth compounds
lactone polymerization
polymerizations
Prior art date
Application number
AT90916131T
Other languages
English (en)
Inventor
Stephan James Mclain
Neville Everton Drysdale
Original Assignee
Du Pont
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.)
Filing date
Publication date
Application filed by Du Pont filed Critical Du Pont
Application granted granted Critical
Publication of ATE124709T1 publication Critical patent/ATE124709T1/de

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/06Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
    • C08G63/08Lactones or lactides
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/78Preparation processes
    • C08G63/82Preparation processes characterised by the catalyst used
    • C08G63/823Preparation 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)
AT90916131T 1989-09-29 1990-09-05 Durch yttrium- und seltenerdverbindungen katalysierte lactonpolymerisation. ATE124709T1 (de)

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
ATE124709T1 true ATE124709T1 (de) 1995-07-15

Family

ID=23643768

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90916131T ATE124709T1 (de) 1989-09-29 1990-09-05 Durch yttrium- und seltenerdverbindungen katalysierte lactonpolymerisation.

Country Status (20)

Country Link
US (1) US5028667A (de)
EP (1) EP0493529B1 (de)
JP (1) JP2858947B2 (de)
CN (1) CN1051367A (de)
AT (1) ATE124709T1 (de)
AU (1) AU6624490A (de)
BR (1) BR9007686A (de)
CA (1) CA2066029A1 (de)
DE (1) DE69020739T2 (de)
FI (1) FI921351A0 (de)
GR (1) GR900100721A (de)
IE (1) IE903483A1 (de)
IL (1) IL95804A0 (de)
MX (1) MX22628A (de)
NZ (1) NZ235503A (de)
PL (1) PL287107A1 (de)
PT (1) PT95470A (de)
WO (1) WO1991005001A1 (de)
YU (1) YU185290A (de)
ZA (1) ZA907797B (de)

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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
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
US5142023A (en) * 1992-01-24 1992-08-25 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
US5258488A (en) * 1992-01-24 1993-11-02 Cargill, Incorporated Continuous process for manufacture of lactide polymers with controlled optical purity
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
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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
WO1996019519A1 (en) * 1994-12-21 1996-06-27 Universiteit Twente Catalytic ring opening polymerization of lactones, carbonates, ethers, morpholine-2,5-diones and anhydrides and catalyst therefor
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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
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EP1043066A1 (de) * 1999-04-09 2000-10-11 Omnichem S.A. Katalysator Zusammensetzungen auf Basis von Yttrium und seltenen Erden für die Polymerisation von heterozyklischen Sauerstoffverbindungen
US6469133B2 (en) * 1999-12-13 2002-10-22 Board Of Trustees Of Michigan State University Process for the preparation of polymers of dimeric cyclic esters
EP1236753A1 (de) * 2001-03-02 2002-09-04 Hycail B.V. Bioabbaubare Polymere, Verfahren zu deren Herstellung und Verwendung als Schmelzklebstoff
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
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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
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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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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
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CN104203966B (zh) * 2011-08-02 2017-03-29 罗克伍德锂有限责任公司 稀土金属的η5:η1‑亚环戊二烯基‑磷烷限定几何形状的配合物
CN104245788A (zh) * 2011-11-11 2014-12-24 赛格提斯公司 聚(内酯)、其制造方法和用途
CN103833662B (zh) * 2014-03-07 2016-04-20 济南大学 苯并恶唑酚衍生物、该衍生物的铝配合物及其制备方法和应用
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CN105061734B (zh) * 2015-08-07 2017-01-11 常州大学 具有催化乙交酯开环聚合性能的镧配位聚合物及制备方法
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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JPS5575422A (en) * 1978-11-30 1980-06-06 Daicel Chem Ind Ltd Preparation of lactonepolyester
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Also Published As

Publication number Publication date
BR9007686A (pt) 1992-08-18
IE903483A1 (en) 1991-04-10
CA2066029A1 (en) 1991-03-30
MX22628A (es) 1993-11-01
JPH05500982A (ja) 1993-02-25
EP0493529B1 (de) 1995-07-05
FI921351A (fi) 1992-03-27
CN1051367A (zh) 1991-05-15
US5028667A (en) 1991-07-02
DE69020739D1 (de) 1995-08-10
PT95470A (pt) 1991-05-22
JP2858947B2 (ja) 1999-02-17
AU6624490A (en) 1991-04-28
IL95804A0 (en) 1991-06-30
PL287107A1 (en) 1992-03-23
FI921351A0 (fi) 1992-03-27
ZA907797B (en) 1992-05-27
US5028667B1 (de) 1993-02-09
WO1991005001A1 (en) 1991-04-18
EP0493529A1 (de) 1992-07-08
DE69020739T2 (de) 1995-11-23
GR900100721A (el) 1992-01-20
NZ235503A (en) 1993-03-26
YU185290A (sh) 1992-09-07

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