DE69528190D1 - Polymerisation von cyclischen ethern und unter anwendung der katalysatoren aus gewählten metallverbindungen - Google Patents

Polymerisation von cyclischen ethern und unter anwendung der katalysatoren aus gewählten metallverbindungen

Info

Publication number
DE69528190D1
DE69528190D1 DE69528190T DE69528190T DE69528190D1 DE 69528190 D1 DE69528190 D1 DE 69528190D1 DE 69528190 T DE69528190 T DE 69528190T DE 69528190 T DE69528190 T DE 69528190T DE 69528190 D1 DE69528190 D1 DE 69528190D1
Authority
DE
Germany
Prior art keywords
catalysts
polymerization
metal compounds
cyclic ethers
selected metal
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69528190T
Other languages
English (en)
Other versions
DE69528190T2 (de
Inventor
Everton Drysdale
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of DE69528190D1 publication Critical patent/DE69528190D1/de
Publication of DE69528190T2 publication Critical patent/DE69528190T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
    • B01J31/22—Organic complexes
    • B01J31/2204—Organic complexes the ligands containing oxygen or sulfur as complexing atoms
    • B01J31/2208—Oxygen, e.g. acetylacetonates
    • B01J31/2226—Anionic ligands, i.e. the overall ligand carries at least one formal negative charge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/0201—Oxygen-containing compounds
    • B01J31/0209—Esters of carboxylic or carbonic acids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/0215—Sulfur-containing compounds
    • B01J31/0225—Sulfur-containing compounds comprising sulfonic acid groups or the corresponding salts
    • B01J31/0227—Sulfur-containing compounds comprising sulfonic acid groups or the corresponding salts being perfluorinated, i.e. comprising at least one perfluorinated moiety as substructure in case of polyfunctional compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/0231—Halogen-containing compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/0234—Nitrogen-, phosphorus-, arsenic- or antimony-containing compounds
    • B01J31/0255—Phosphorus containing compounds
    • B01J31/0257—Phosphorus acids or phosphorus acid esters
    • B01J31/0259—Phosphorus acids or phosphorus acid esters comprising phosphorous acid (-ester) groups ((RO)P(OR')2) or the isomeric phosphonic acid (-ester) groups (R(R'O)2P=O), i.e. R= C, R'= C, H
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/0234—Nitrogen-, phosphorus-, arsenic- or antimony-containing compounds
    • B01J31/0255—Phosphorus containing compounds
    • B01J31/0257—Phosphorus acids or phosphorus acid esters
    • B01J31/0261—Phosphorus acids or phosphorus acid esters comprising phosphonous acid (-ester) groups (RP(OR')2) or the isomeric phosphinic acid (-ester) groups (R2(R'O)P=O), i.e. R= C, R'= C, H
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/0234—Nitrogen-, phosphorus-, arsenic- or antimony-containing compounds
    • B01J31/0255—Phosphorus containing compounds
    • B01J31/0257—Phosphorus acids or phosphorus acid esters
    • B01J31/0262—Phosphorus acids or phosphorus acid esters comprising phosphinous acid (-ester) groups (R2P(OR')) or the isomeric phosphine oxide groups (R3P=O), i.e. R= C, R'= C, H
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/0234—Nitrogen-, phosphorus-, arsenic- or antimony-containing compounds
    • B01J31/0255—Phosphorus containing compounds
    • B01J31/0264—Phosphorus acid amides
    • B01J31/0265—Phosphazenes, oligomers thereof or the corresponding phosphazenium salts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/0234—Nitrogen-, phosphorus-, arsenic- or antimony-containing compounds
    • B01J31/0255—Phosphorus containing compounds
    • B01J31/0267—Phosphines or phosphonium compounds, i.e. phosphorus bonded to at least one carbon atom, including e.g. sp2-hybridised phosphorus compounds such as phosphabenzene, the other atoms bonded to phosphorus being either carbon or hydrogen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
    • B01J31/22—Organic complexes
    • B01J31/2282—Unsaturated compounds used as ligands
    • B01J31/2295—Cyclic compounds, e.g. cyclopentadienyls
    • 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
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/04—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers only
    • C08G65/06—Cyclic ethers having no atoms other than carbon and hydrogen outside the ring
    • C08G65/08—Saturated oxiranes
    • C08G65/10—Saturated oxiranes characterised by the catalysts used
    • 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
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/04—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers only
    • C08G65/06—Cyclic ethers having no atoms other than carbon and hydrogen outside the ring
    • C08G65/16—Cyclic ethers having four or more ring atoms
    • C08G65/18—Oxetanes
    • 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
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/04—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers only
    • C08G65/06—Cyclic ethers having no atoms other than carbon and hydrogen outside the ring
    • C08G65/16—Cyclic ethers having four or more ring atoms
    • C08G65/20—Tetrahydrofuran
    • 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
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/26—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
    • C08G65/2642—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds characterised by the catalyst used
    • C08G65/2645—Metals or compounds thereof, e.g. salts
    • 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
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/26—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
    • C08G65/2642—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds characterised by the catalyst used
    • C08G65/269—Mixed catalyst systems, i.e. containing more than one reactive component or catalysts formed in-situ
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
    • B01J2231/10—Polymerisation reactions involving at least dual use catalysts, e.g. for both oligomerisation and polymerisation
    • B01J2231/14—Other (co) polymerisation, e.g. of lactides or epoxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/40—Complexes comprising metals of Group IV (IVA or IVB) as the central metal
    • B01J2531/48—Zirconium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Inorganic Chemistry (AREA)
  • Polyethers (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Catalysts (AREA)
DE69528190T 1994-10-28 1995-10-24 Polymerisation von cyclischen ethern und unter anwendung der katalysatoren aus gewählten metallverbindungen Expired - Fee Related DE69528190T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US33130594A 1994-10-28 1994-10-28
PCT/US1995/013701 WO1996013540A1 (en) 1994-10-28 1995-10-24 Polymerization of cyclic ethers using selected metal compound catalysts

Publications (2)

Publication Number Publication Date
DE69528190D1 true DE69528190D1 (de) 2002-10-17
DE69528190T2 DE69528190T2 (de) 2003-07-31

Family

ID=23293406

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69528190T Expired - Fee Related DE69528190T2 (de) 1994-10-28 1995-10-24 Polymerisation von cyclischen ethern und unter anwendung der katalysatoren aus gewählten metallverbindungen
DE69531072T Expired - Fee Related DE69531072T2 (de) 1994-10-28 1995-10-24 Polymerisation von cyclischen Ethern und unter Anwendung der Katalysatoren ausgewählten Metallverbindungen

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69531072T Expired - Fee Related DE69531072T2 (de) 1994-10-28 1995-10-24 Polymerisation von cyclischen Ethern und unter Anwendung der Katalysatoren ausgewählten Metallverbindungen

Country Status (10)

Country Link
US (1) US5641853A (de)
EP (2) EP1046663B1 (de)
JP (1) JPH10508063A (de)
KR (1) KR100408611B1 (de)
CN (1) CN1092682C (de)
AU (1) AU3897195A (de)
DE (2) DE69528190T2 (de)
ES (2) ES2180659T3 (de)
HK (1) HK1002767A1 (de)
WO (1) WO1996013540A1 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19702787A1 (de) * 1997-01-27 1998-07-30 Bayer Ag Verfahren zur Herstellung von Polyetherpolyolen
US6072021A (en) * 1997-10-24 2000-06-06 E. I. Du Pont De Nemours And Company Copolymerization of formaldehyde and cyclic ethers using initiators based upon tetraphenyl borates
JP2002505218A (ja) * 1998-03-05 2002-02-19 オムノヴア ソリユーシヨンズ インコーポレーテツド 清掃容易なポリマーラミネート
US7320829B2 (en) 1998-03-05 2008-01-22 Omnova Solutions Inc. Fluorinated polymer and amine resin compositions and products formed therefrom
US6686051B1 (en) 1998-03-05 2004-02-03 Omnova Solutions Inc. Cured polyesters containing fluorinated side chains
JP3830274B2 (ja) * 1998-04-16 2006-10-04 三井化学株式会社 ポリアルキレンオキシドの製造方法
DE19817676A1 (de) * 1998-04-21 1999-10-28 Bayer Ag Verfahren zur aufarbeitungsfreien Herstellung langkettiger Polyetherpolyole
US6673889B1 (en) 1999-06-28 2004-01-06 Omnova Solutions Inc. Radiation curable coating containing polyfuorooxetane
CA2389800C (en) 1999-12-17 2011-12-06 E.I. Du Pont De Nemours And Company Continuous process for the preparation of polytrimethylene ether glycol
WO2001044348A1 (en) 1999-12-17 2001-06-21 E.I. Du Pont De Nemours And Company Production of polytrimethylene ether glycol and copolymers thereof
US6962966B2 (en) 1999-12-28 2005-11-08 Omnova Solutions Inc. Monohydric polyfluorooxetane oligomers, polymers, and copolymers and coatings containing the same
US6403760B1 (en) 1999-12-28 2002-06-11 Omnova Solutions Inc. Monohydric polyfluorooxetane polymer and radiation curable coatings containing a monofunctional polyfluorooxetane polymer
EP1299498A1 (de) * 2000-06-23 2003-04-09 General Electric Company Druckempfindliche siliconklebstoffzusammensetzung
WO2002092660A2 (en) * 2001-05-14 2002-11-21 Omnova Soltions Inc Polymeric surfactants derived from cyclic monomers having pendant fluorinated carbon groups
US6660828B2 (en) * 2001-05-14 2003-12-09 Omnova Solutions Inc. Fluorinated short carbon atom side chain and polar group containing polymer, and flow, or leveling, or wetting agents thereof
US6562457B1 (en) 2001-10-31 2003-05-13 E. I. Du Pont De Nemours And Company Polyether ester elastomer comprising polytrimethylene ether ester soft segment and tetramethylene ester hard segment
US6599625B2 (en) 2001-10-31 2003-07-29 E. I. Du Pont De Nemours And Company Polyether ester elastomer comprising polytrimethylene ether ester soft segment and trimethylene ester hard segment
US6852823B2 (en) 2002-08-09 2005-02-08 E. I. Du Pont De Nemours And Company Polyurethane and polyurethane-urea elastomers from polytrimethylene ether glycol
WO2004033521A1 (ja) * 2002-10-09 2004-04-22 Mitsubishi Chemical Corporation ポリウレタン樹脂及びポリウレタン弾性繊維
DE10340124A1 (de) * 2002-12-17 2004-07-01 Bayer Ag Bleifreie Mischung als Strahlenschutz-Additiv
CN101942084B (zh) * 2010-09-25 2012-01-25 浙江大学 用三氟甲磺酸稀土金属化合物催化合成聚四氢呋喃的方法
CN109319915B (zh) * 2018-10-18 2021-06-11 东南大学 一种螯合剂β-ADA改性的Fe3O4复合材料及其制备方法和去除水中抗生素污染应用

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2950306A (en) * 1957-03-07 1960-08-23 Du Pont Organo-fluorine compounds of phosphorus arsenic and antimony
US3842019A (en) * 1969-04-04 1974-10-15 Minnesota Mining & Mfg Use of sulfonic acid salts in cationic polymerization
US3907706A (en) * 1973-07-06 1975-09-23 Minnesota Mining & Mfg Latent catalyst systems for cationically polymerizable materials
DE2459163A1 (de) * 1974-12-14 1976-06-24 Basf Ag Verfahren zur polymerisation von tetrahydrofuran
JPS5182397A (ja) * 1975-01-17 1976-07-19 Hodogaya Chemical Co Ltd Horiokishitetoramechirengurikoorunoseizohoho
US4303782A (en) * 1980-01-21 1981-12-01 Mobil Oil Corporation Polymerization of cyclic ethers
US4683281A (en) * 1986-06-23 1987-07-28 Ashland Oil, Inc. Organophosphite accelerators for epoxide curing
US5084586A (en) * 1990-02-12 1992-01-28 Minnesota Mining And Manufacturing Company Novel initiators for cationic polymerization
US5124417A (en) * 1990-02-12 1992-06-23 Minnesota Mining And Manufacturing Company Initiators for cationic polymerization
US5130470A (en) * 1991-03-27 1992-07-14 E. I. Du Pont De Nemours And Company Polymerization of tetrahydrofuran using a fluorinated acidic catalyst and maleic acid/maleic anhydride mixture as molecular weight control agent
ES2220334T3 (es) * 1992-10-21 2004-12-16 E.I. Du Pont De Nemours And Company Despolimerizacion para obtener eteres ciclicos mediante catalisis por compuestos metalicos seleccionados.

Also Published As

Publication number Publication date
DE69531072T2 (de) 2004-05-06
DE69528190T2 (de) 2003-07-31
ES2200778T3 (es) 2004-03-16
EP0788525A1 (de) 1997-08-13
CN1092682C (zh) 2002-10-16
ES2180659T3 (es) 2003-02-16
JPH10508063A (ja) 1998-08-04
DE69531072D1 (de) 2003-07-17
HK1002767A1 (en) 1998-09-18
US5641853A (en) 1997-06-24
EP1046663B1 (de) 2003-06-11
EP1046663A3 (de) 2001-09-12
WO1996013540A1 (en) 1996-05-09
EP0788525B1 (de) 2002-09-11
CN1179786A (zh) 1998-04-22
AU3897195A (en) 1996-05-23
EP1046663A2 (de) 2000-10-25
KR100408611B1 (ko) 2004-04-14
KR970707209A (ko) 1997-12-01

Similar Documents

Publication Publication Date Title
DE69528190D1 (de) Polymerisation von cyclischen ethern und unter anwendung der katalysatoren aus gewählten metallverbindungen
DE69304004D1 (de) Katalysatorfeststoffzusammensetzung und Olefinpolymerisationsverfahren unter Anwendung derselben
DE69331442D1 (de) Polymerisation von cyclischen ethern unter anwendung der katalysatoren aus gewählten metallverbindungen
DE69802491D1 (de) Komponenten und katalysatoren für die polymerisation von olefinen
DE69318386D1 (de) Prepolymerizierte Katalysatorzusammensetzung, Verfahren zu seiner Herstellung und Verfahren zur Olefinpolymerisation
DE69304587D1 (de) Poröser Film, Verfahren zu seiner Herstellung und Anwendung
ATE42311T1 (de) Komponenten und katalysatoren zur polymerisation von olefinen.
DE69222974D1 (de) Herstellung von Additionspolymerisationskatalysatoren
DK0437264T3 (da) Bestanddele og katalysatorer til polymerisering af olefiner
DE59405876D1 (de) Geträgertes Katalysatorsystem, seine Herstellung und seine Verwendung zur Polymerisation von Olefinen
DE69009934D1 (de) Keramischer Filter und Verfahren zu seiner Herstellung.
DE69702970D1 (de) N-arylsulfilimin-verbindungen und ihre anwendung als katalysatoren in der herstellung von n-aryl-arylsulfonamid-verbindungen
DE69920334D1 (de) Übergangsmetallverbindungen und diese enthaltende Katalysatoren zur Polymerisierung von Olefinen
DE69628777D1 (de) Katalysator und Verfahren zur Herstellung von Oxiranverbindungen
DE3750154D1 (de) Oberflächeträgerkatalysatoren aus kernigen Metallverbindungen, deren Herstellung und deren Anwendung bei der Synthese von Kohlenwasserstoffen.
FI932603A0 (fi) Regiospecifika katalysatorer foer framstaellning av epoxisiloxanmonomerer och -polymerer
DE69623833D1 (de) Verbrückte Bis-fluorenylmetallocene, Verfahren zu deren Herstellung, und deren Verwendung in Katalysatoren zur Polymerisation von Olefinen
DE69104033D1 (de) Übergangsmetall enthaltende katalysatorzusammensetzung zur polymerisation von olefinen.
DE69703035D1 (de) Verfahren zur Herstellung eines endständigen Aldehyds und Katalysator
PT74557A (de) Verfahren zur herstellung von neuen substituierten 1-aryl-2- -azolyl-ethen-derivaten und ihre anwendung als mikrobizide mit-tel
DE69731363D1 (de) Verfahren zur Herstellung von Epoxiden und Katalysator zur Verwendung bei diesem Verfahren
DE69514526D1 (de) Träger und dessen Anwendung bei der Aufbereitung von spektroskopischen Proben
DE69518567D1 (de) Verfahren zur Herstellung von Alpha-Tocopherol Derivaten, und Katalysatoren
DE69333396D1 (de) Einschlusskomplex von Taxol, Verfahren zu seiner Herstellung und Verwendung
DE69303049D1 (de) Verfahren zur Herstellung von Bestrahlungspulver zum mechanischen Beschichten und Bestrahlungsverfahren zu seiner Anwendung

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee