MX22628A - Proceso para la polimerizacion de lactona, catalizado con compuestos de itrio y tierras raras y producto obtenido. - Google Patents

Proceso para la polimerizacion de lactona, catalizado con compuestos de itrio y tierras raras y producto obtenido.

Info

Publication number
MX22628A
MX22628A MX2262890A MX2262890A MX22628A MX 22628 A MX22628 A MX 22628A MX 2262890 A MX2262890 A MX 2262890A MX 2262890 A MX2262890 A MX 2262890A MX 22628 A MX22628 A MX 22628A
Authority
MX
Mexico
Prior art keywords
yttrium
polymerization
lactone
catalyzed
components
Prior art date
Application number
MX2262890A
Other languages
English (en)
Spanish (es)
Inventor
Stephan James Mclain
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 MX22628A publication Critical patent/MX22628A/es

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)
MX2262890A 1989-09-29 1990-09-28 Proceso para la polimerizacion de lactona, catalizado con compuestos de itrio y tierras raras y producto obtenido. MX22628A (es)

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
MX22628A true MX22628A (es) 1993-11-01

Family

ID=23643768

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2262890A MX22628A (es) 1989-09-29 1990-09-28 Proceso para la polimerizacion de lactona, catalizado con compuestos de itrio y tierras raras y producto obtenido.

Country Status (20)

Country Link
US (1) US5028667A (US20110300083A1-20111208-C00014.png)
EP (1) EP0493529B1 (US20110300083A1-20111208-C00014.png)
JP (1) JP2858947B2 (US20110300083A1-20111208-C00014.png)
CN (1) CN1051367A (US20110300083A1-20111208-C00014.png)
AT (1) ATE124709T1 (US20110300083A1-20111208-C00014.png)
AU (1) AU6624490A (US20110300083A1-20111208-C00014.png)
BR (1) BR9007686A (US20110300083A1-20111208-C00014.png)
CA (1) CA2066029A1 (US20110300083A1-20111208-C00014.png)
DE (1) DE69020739T2 (US20110300083A1-20111208-C00014.png)
FI (1) FI921351A0 (US20110300083A1-20111208-C00014.png)
GR (1) GR900100721A (US20110300083A1-20111208-C00014.png)
IE (1) IE903483A1 (US20110300083A1-20111208-C00014.png)
IL (1) IL95804A0 (US20110300083A1-20111208-C00014.png)
MX (1) MX22628A (US20110300083A1-20111208-C00014.png)
NZ (1) NZ235503A (US20110300083A1-20111208-C00014.png)
PL (1) PL287107A1 (US20110300083A1-20111208-C00014.png)
PT (1) PT95470A (US20110300083A1-20111208-C00014.png)
WO (1) WO1991005001A1 (US20110300083A1-20111208-C00014.png)
YU (1) YU185290A (US20110300083A1-20111208-C00014.png)
ZA (1) ZA907797B (US20110300083A1-20111208-C00014.png)

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PT98913A (pt) * 1990-09-11 1992-07-31 Du Pont Processo aperfeicoado para a polimerizacao com abertura da cadeia ciclica, em leito fluidizado
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
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
US5247059A (en) * 1992-01-24 1993-09-21 Cargill, Incorporated Continuous process for the manufacture of a purified lactide from esters of lactic acid
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
US5258488A (en) * 1992-01-24 1993-11-02 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
US5235031A (en) * 1992-03-13 1993-08-10 E. I. Du Pont De Nemours And Company Polymerization of lactide
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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
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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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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
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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
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
US5656040A (en) * 1995-07-06 1997-08-12 Chevron Chemical Company Aminoaromatic ester 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
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
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Also Published As

Publication number Publication date
US5028667B1 (US20110300083A1-20111208-C00014.png) 1993-02-09
GR900100721A (el) 1992-01-20
IE903483A1 (en) 1991-04-10
IL95804A0 (en) 1991-06-30
JPH05500982A (ja) 1993-02-25
YU185290A (sh) 1992-09-07
DE69020739D1 (de) 1995-08-10
ZA907797B (en) 1992-05-27
NZ235503A (en) 1993-03-26
EP0493529A1 (en) 1992-07-08
ATE124709T1 (de) 1995-07-15
BR9007686A (pt) 1992-08-18
CN1051367A (zh) 1991-05-15
FI921351A (fi) 1992-03-27
AU6624490A (en) 1991-04-28
JP2858947B2 (ja) 1999-02-17
PL287107A1 (en) 1992-03-23
WO1991005001A1 (en) 1991-04-18
FI921351A0 (fi) 1992-03-27
US5028667A (en) 1991-07-02
CA2066029A1 (en) 1991-03-30
DE69020739T2 (de) 1995-11-23
PT95470A (pt) 1991-05-22
EP0493529B1 (en) 1995-07-05

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