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DE69424316D1 - Depolymerisierung von Polyethern in Gegenwart von heterogenen Katalysatoren - Google Patents

Depolymerisierung von Polyethern in Gegenwart von heterogenen Katalysatoren

Info

Publication number
DE69424316D1
DE69424316D1 DE69424316T DE69424316T DE69424316D1 DE 69424316 D1 DE69424316 D1 DE 69424316D1 DE 69424316 T DE69424316 T DE 69424316T DE 69424316 T DE69424316 T DE 69424316T DE 69424316 D1 DE69424316 D1 DE 69424316D1
Authority
DE
Germany
Prior art keywords
depolymerization
polyethers
heterogeneous catalysts
heterogeneous
catalysts
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
DE69424316T
Other languages
English (en)
Other versions
DE69424316T2 (de
Inventor
Neville Everton Drysdale
Norman Herron
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 DE69424316D1 publication Critical patent/DE69424316D1/de
Publication of DE69424316T2 publication Critical patent/DE69424316T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/04—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
    • C07D307/06—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to ring carbon atoms
    • C07D307/08—Preparation of 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
    • C08G65/04—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
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/04—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
    • C07D307/06—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to ring carbon atoms
    • 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
    • C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/40—Polyesters derived from ester-forming derivatives of polycarboxylic acids or of polyhydroxy compounds, other than from esters thereof
    • C08G63/42—Cyclic ethers; Cyclic carbonates; Cyclic sulfites; Cyclic orthoesters
    • 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
    • C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/52—Polycarboxylic acids or polyhydroxy compounds in which at least one of the two components contains aliphatic unsaturation
    • C08G63/56—Polyesters derived from ester-forming derivatives of polycarboxylic acids or of polyhydroxy compounds other than from esters thereof
    • C08G63/58—Cyclic ethers; Cyclic carbonates; Cyclic sulfites ; Cyclic orthoesters
    • 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
    • C08G63/68—Polyesters containing atoms other than carbon, hydrogen and oxygen
    • C08G63/685—Polyesters containing atoms other than carbon, hydrogen and oxygen containing nitrogen
    • C08G63/6854—Polyesters containing atoms other than carbon, hydrogen and oxygen containing nitrogen derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/6856—Dicarboxylic acids and dihydroxy compounds
    • 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
    • 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
    • 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
    • C08G65/2645—Metals or compounds thereof, e.g. salts
    • C08G65/266—Metallic elements not covered by group C08G65/2648 - C08G65/2645, or compounds thereof
    • 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
    • C08G65/32—Polymers modified by chemical after-treatment
    • C08G65/321—Polymers modified by chemical after-treatment with inorganic compounds
    • 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
    • C08G65/32—Polymers modified by chemical after-treatment
    • C08G65/329—Polymers modified by chemical after-treatment with organic compounds
    • C08G65/337—Polymers modified by chemical after-treatment with organic compounds containing other elements

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Catalysts (AREA)
  • Polyethers (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Polyesters Or Polycarbonates (AREA)
DE69424316T 1993-07-16 1994-07-14 Depolymerisierung von Polyethern in Gegenwart von heterogenen Katalysatoren Expired - Fee Related DE69424316T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9311993A 1993-07-16 1993-07-16

Publications (2)

Publication Number Publication Date
DE69424316D1 true DE69424316D1 (de) 2000-06-08
DE69424316T2 DE69424316T2 (de) 2000-12-28

Family

ID=22237282

Family Applications (3)

Application Number Title Priority Date Filing Date
DE69424316T Expired - Fee Related DE69424316T2 (de) 1993-07-16 1994-07-14 Depolymerisierung von Polyethern in Gegenwart von heterogenen Katalysatoren
DE69420845T Expired - Fee Related DE69420845T2 (de) 1993-07-16 1994-07-14 Polymerisationskatalysator für polyether
DE69432086T Expired - Fee Related DE69432086T2 (de) 1993-07-16 1994-07-14 Polymerisierung von Polyethern in Gegenwart von heterogenen Katalysatoren

Family Applications After (2)

Application Number Title Priority Date Filing Date
DE69420845T Expired - Fee Related DE69420845T2 (de) 1993-07-16 1994-07-14 Polymerisationskatalysator für polyether
DE69432086T Expired - Fee Related DE69432086T2 (de) 1993-07-16 1994-07-14 Polymerisierung von Polyethern in Gegenwart von heterogenen Katalysatoren

Country Status (7)

Country Link
EP (3) EP0708794B1 (de)
JP (1) JPH09500161A (de)
KR (2) KR100325965B1 (de)
DE (3) DE69424316T2 (de)
ES (2) ES2139088T3 (de)
SG (1) SG52641A1 (de)
WO (1) WO1995002625A2 (de)

Families Citing this family (8)

* 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
DE19817676A1 (de) * 1998-04-21 1999-10-28 Bayer Ag Verfahren zur aufarbeitungsfreien Herstellung langkettiger Polyetherpolyole
WO2002070186A1 (fr) * 2001-03-07 2002-09-12 Honda Giken Kogyo Kabushiki Kaisha Procede de liaison par frottement/brassage, materiau plat pour formage plastique et corps de type manchon a extremite fermee
JP2008063391A (ja) * 2006-09-05 2008-03-21 Mitsubishi Chemicals Corp ポリエーテルの製造方法
FR2925515A1 (fr) * 2007-12-20 2009-06-26 Bluestar Silicones France Soc Composition organopolysiloxanique vulcanisable a temperature ambiante en elastomere et nouveaux catalyseurs de polycondensation d'organopolysiloxanes.
JP5778687B2 (ja) 2009-12-11 2015-09-16 インヴィスタ テクノロジーズ エスアエルエル オリゴマー環状エーテルの解重合
WO2016080501A1 (ja) * 2014-11-20 2016-05-26 三菱化学株式会社 ポリエーテルポリオール、ポリエーテルポリオールの製造方法、ポリエステルエラストマー及びポリウレタン
US9815808B2 (en) 2016-02-29 2017-11-14 Regents Of The University Of Minnesota Recovery of monomer from polyurethane materials by depolymerization

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1211973A (en) * 1968-04-18 1970-11-11 Mobil Oil Corp Polymerization with zeolitic catalysts
US3842019A (en) * 1969-04-04 1974-10-15 Minnesota Mining & Mfg Use of sulfonic acid salts in cationic polymerization
JPS5232677B2 (de) * 1972-12-29 1977-08-23
US4202964A (en) * 1978-03-16 1980-05-13 E. I. Du Pont De Nemours And Company Method for reducing oligomeric cyclic ether content of a polymerizate
JPS60109584A (ja) * 1983-11-17 1985-06-15 Asahi Chem Ind Co Ltd ポリオキシテトラメチレングリコ−ルの解重合方法
DE3606479A1 (de) * 1986-02-28 1987-09-03 Basf Ag Verfahren zur herstellung von polyoxibutylenpolyoxialkylenglykolen mit enger molekulargewichtsverteilung und vermindertem gehalt an oligomeren cyclischen ethern
JPH0713140B2 (ja) * 1986-05-02 1995-02-15 旭化成工業株式会社 ポリオキシアルキレングリコ−ルおよび、または環式ポリアルキレンエ−テルの解重合方法
IT1226550B (it) * 1988-07-29 1991-01-24 Enichem Anic Spa Processo di oligomerizzazione selettiva di olefine e nuovo catalizzatore per tale processo.
US5102849A (en) * 1990-04-23 1992-04-07 Shell Oil Company Supported rare earth and phosphorus catalyst
JPH0616805A (ja) * 1992-06-30 1994-01-25 Daicel Chem Ind Ltd ポリオキシテトラメチレングリコ−ルジエステルの製造方法
EP0665859B1 (de) * 1992-10-21 2002-01-09 E.I. Du Pont De Nemours And Company Polymerisation von cyclischen ethern unter anwendung der katalysatoren aus gewählten metallverbindungen
WO1994019392A1 (en) * 1993-02-23 1994-09-01 E.I. Du Pont De Nemours And Company Copolymerization of tetrahydrofurans and cyclic anhydrides

Also Published As

Publication number Publication date
JPH09500161A (ja) 1997-01-07
SG52641A1 (en) 1998-09-28
EP0750000A3 (de) 1997-02-19
EP0903365A2 (de) 1999-03-24
KR960703965A (ko) 1996-08-31
EP0903365A3 (de) 1999-04-21
KR100325965B1 (ko) 2002-03-07
EP0708794B1 (de) 1999-09-22
KR100323176B1 (ko) 2002-06-26
ES2147343T3 (es) 2000-09-01
DE69424316T2 (de) 2000-12-28
DE69432086D1 (de) 2003-03-06
ES2139088T3 (es) 2000-02-01
WO1995002625A3 (en) 1995-05-26
WO1995002625A2 (en) 1995-01-26
EP0750000B1 (de) 2000-05-03
DE69420845T2 (de) 2000-04-20
DE69420845D1 (de) 1999-10-28
EP0903365B1 (de) 2003-01-29
DE69432086T2 (de) 2003-10-30
EP0750000A2 (de) 1996-12-27
EP0708794A1 (de) 1996-05-01

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