ZA907797B - Yttrium and rare earth compounds catalyzed lactone polymerization - Google Patents

Yttrium and rare earth compounds catalyzed lactone polymerization

Info

Publication number
ZA907797B
ZA907797B ZA907797A ZA907797A ZA907797B ZA 907797 B ZA907797 B ZA 907797B ZA 907797 A ZA907797 A ZA 907797A ZA 907797 A ZA907797 A ZA 907797A ZA 907797 B ZA907797 B ZA 907797B
Authority
ZA
South Africa
Prior art keywords
yttrium
rare earth
earth compounds
polymerization
lactone polymerization
Prior art date
Application number
ZA907797A
Other languages
English (en)
Inventor
Stephan James Mclain
James Mclain Stephan
Neville Everton Drysdale
Everton Drysdale Neville
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
Publication of ZA907797B publication Critical patent/ZA907797B/xx

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)
  • Medicinal Preparation (AREA)
  • Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
  • Manufacture Of Macromolecular Shaped Articles (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)
ZA907797A 1989-09-29 1990-09-28 Yttrium and rare earth compounds catalyzed lactone polymerization ZA907797B (en)

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
ZA907797B true ZA907797B (en) 1992-05-27

Family

ID=23643768

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA907797A ZA907797B (en) 1989-09-29 1990-09-28 Yttrium and rare earth compounds catalyzed lactone polymerization

Country Status (20)

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

Families Citing this family (74)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE69004245T2 (de) * 1990-02-23 1994-05-11 Minnesota Mining & Mfg Semi-thermoplastische Formmasse mit thermostabilem Formerinnerungsvermögen.
US5066231A (en) * 1990-02-23 1991-11-19 Minnesota Mining And Manufacturing Company Dental impression process using polycaprolactone molding composition
US5709548A (en) * 1990-02-23 1998-01-20 Minnesota Mining And Manufacturing Company Dental crown liner composition and methods of preparing provisional applications
AU8440591A (en) * 1990-09-11 1992-03-30 E.I. Du Pont De Nemours And Company Fluidized bed ring-opening polymerization
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
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
US5340646A (en) * 1991-04-26 1994-08-23 Mitsui Toatsu Chemicals, Inc. Breathable, hydrolyzable porous film
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
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
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
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
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
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
US5635585A (en) * 1992-10-21 1997-06-03 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
CA2178662A1 (fr) * 1995-07-06 1997-01-07 Chevron Chemical Company Aminocarbamates de polyoxyalkylenes polylactones et compositions combustibles qui en renferment
US5656040A (en) * 1995-07-06 1997-08-12 Chevron Chemical Company Aminoaromatic ester polylactone aminocarbamates and fuel compositions containing the same
CA2178663A1 (fr) * 1995-07-06 1997-01-07 Richard E. Cherpeck Aminocarbamates de polylactones et compositions combustibles qui en renferment
US5633342A (en) * 1995-10-27 1997-05-27 Chronopol, Inc. Method for the synthesis of environmentally degradable block copolymers
US5618319A (en) * 1996-06-20 1997-04-08 Chevron Chemical Company Alkylamine polylactone aminocarbamates and fuel compositions containing the same
US5622532A (en) * 1996-06-20 1997-04-22 Chevron Chemical Company Polylactone aromatic esters 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
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 (fr) * 2001-03-02 2002-09-04 Hycail B.V. Polymères dégradables dans l'environnement, procédé pour leur préparation et utilisation en tant qu'adhésifs thermofusibles
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
US7067611B2 (en) * 2001-07-10 2006-06-27 Kureha Corporation Polyhydroxycarboxylic acid and its production process
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
WO2005059003A1 (fr) * 2003-12-15 2005-06-30 The Children's Hospital Of Philadelphia Nouveaux polyesters
EP1602676A1 (fr) 2004-06-01 2005-12-07 SOLVAY (Société Anonyme) Compositions catalytiques
IN263389B (fr) 2005-11-22 2014-01-31 Segetis Inc
US7851569B2 (en) * 2006-07-07 2010-12-14 Sumitomo Chemical Company, Limited Rare earth metal complex, polymerization catalyst, 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
CN100424087C (zh) * 2006-09-21 2008-10-08 苏州大学 烷氧基稀土钾多金属簇合物及其用途
BRPI0809515A2 (pt) * 2007-03-30 2016-03-15 Teijin Ltd composição de ácido polilático, método para produzir uma composição de ácido polilático, artigo moldado, fibra de ácido polilático, produto de fibra, e, método para produzir a fibra de ácido polilático
WO2008124035A2 (fr) * 2007-04-09 2008-10-16 University Of Connecticut Polymérisation par ouverture de cycle d'esters cycliques, polyesters formés à partir de ceux-ci, et articles comprenant les polyesters
EP2367811A1 (fr) 2008-09-25 2011-09-28 Segetis, Inc. Dérivés céto-esters
BRPI1013943B1 (pt) 2009-06-22 2020-03-17 Segetis, Inc. Composto, método para sintetizar o mesmo, composição e composição lubrificante
US20110052847A1 (en) * 2009-08-27 2011-03-03 Roberts Danny H Articles of manufacture from renewable resources
US9200092B2 (en) * 2011-08-02 2015-12-01 Rockwood Lithium GmbH η5:η1-cyclopentadienylidene-phosphorane constrained geometry complexes of rare earth metals
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
EP3034534A1 (fr) 2014-12-17 2016-06-22 PURAC Biochem BV Substrats revêtus ou liés avec une composition comprenant un polyuréthane
WO2016097002A1 (fr) 2014-12-17 2016-06-23 Purac Biochem Bv Substrats revêtus ou liés au moyen d'une composition comprenant un polyuréthanne
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
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
EP3414099A1 (fr) 2017-01-10 2018-12-19 Mitsubishi HiTec Paper Europe GmbH Nouveau révélateur chromogène destiné à un support d'enregistrement thermosensible, et matériau d'enregistrement thermosensible à base de pla
EP3428216B1 (fr) 2017-07-11 2022-11-02 Henkel AG & Co. KGaA Procédé de production de polyesters fonctionnalisés
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

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3169945A (en) 1956-04-13 1965-02-16 Union Carbide Corp Lactone polyesters
BE556561A (fr) * 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
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.

Also Published As

Publication number Publication date
CA2066029A1 (fr) 1991-03-30
CN1051367A (zh) 1991-05-15
DE69020739D1 (de) 1995-08-10
BR9007686A (pt) 1992-08-18
US5028667A (en) 1991-07-02
US5028667B1 (fr) 1993-02-09
NZ235503A (en) 1993-03-26
EP0493529A1 (fr) 1992-07-08
IL95804A0 (en) 1991-06-30
AU6624490A (en) 1991-04-28
WO1991005001A1 (fr) 1991-04-18
IE903483A1 (en) 1991-04-10
MX22628A (es) 1993-11-01
GR900100721A (el) 1992-01-20
YU185290A (sh) 1992-09-07
PL287107A1 (en) 1992-03-23
DE69020739T2 (de) 1995-11-23
ATE124709T1 (de) 1995-07-15
JPH05500982A (ja) 1993-02-25
FI921351A (fi) 1992-03-27
FI921351A0 (fi) 1992-03-27
PT95470A (pt) 1991-05-22
EP0493529B1 (fr) 1995-07-05
JP2858947B2 (ja) 1999-02-17

Similar Documents

Publication Publication Date Title
US5028667B1 (fr)
CA2001710A1 (fr) Methode de preparation d'un polyester se pretant a la bioabsorption
AU627343B2 (en) Random copolymers of p-dioxanone, lactide and/or glycolide as coating polymers for surgical filaments
AU6795587A (en) Catalyst composition for polymerizing alpha-olefins
IL95432A0 (en) Liquid polymer and polyol compositions,methods for improving the properties of films utilizing the same and processes for the preparation of polymers
AU5491594A (en) Castor oil polymers
IE821886L (en) Radiation sterilizable polymers
CA2124846A1 (fr) Composition a base d'un polymere de lactide demeurant stable a l'etat de fusion et procede pour sa fabrication
AU1244688A (en) Degradable thermoplastic compositions
AU2575297A (en) Acidic polylactic polymers
PL295385A1 (en) Method of polymerizing olefins and method of obtaining fluorenyl metaloorganic compounds
EP0643078A3 (fr) Procédé de préparation de polymères d'éthylène et produits ainsi obtenus.
HK1032788A1 (en) Method for producing synthetic polymerizates with a very low residual monomer content, products produced according to this method and the use thereof
TW354306B (en) Polymerization of beta-substituted-beta-propiolactones initiated by alkylzinc alkoxides
MY134346A (en) Process for producing polyester with coated titanium dioxide
EP0331074A3 (fr) Antioxydants à base d'amines liées à un copolymère
CA2115130A1 (fr) Procede de preparation d'un polymere absorbable
ES2009347A6 (es) Procedimiento para la preparacion de una composicion farmaceutica.
DE69713477D1 (de) Verfahren zur Herstellung von Polyhydroxycarbonsäure
AU651954B2 (en) New starter systems initiating polymerization of ethylenically unsaturated compounds and their use
TH9995A (th) การเกิดพอลิเมอร์ของแลคโทนที่เร่งปฏิกิริยาด้วยสารประกอบอิตเทรียมและสารประกอบแรเอิร์ธ
EP1127897A3 (fr) Composition catalytique comprenant des complexes de fer ou de cobalt spécifiques et procédé d'oligomérisation ou de polymérisation d'éthylène en présence de celle-ci
Matlack et al. Co-Polymer-Bound Amine Antioxidants
TH9995EX (th) การเกิดพอลิเมอร์ของแลคโทนที่เร่งปฏิกิริยาด้วยสารประกอบอิตเทรียมและสารประกอบแรเอิร์ธ
MX9703652A (es) Diglicolatos de polialquileno absorbibles.