ES2147343T3 - Despolimerizacion de polieteres usando catalizadores heterogeneos. - Google Patents
Despolimerizacion de polieteres usando catalizadores heterogeneos.Info
- Publication number
- ES2147343T3 ES2147343T3 ES96202116T ES96202116T ES2147343T3 ES 2147343 T3 ES2147343 T3 ES 2147343T3 ES 96202116 T ES96202116 T ES 96202116T ES 96202116 T ES96202116 T ES 96202116T ES 2147343 T3 ES2147343 T3 ES 2147343T3
- Authority
- ES
- Spain
- Prior art keywords
- sup
- depolimerization
- rio
- polieter
- 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 - Lifetime
Links
- 239000002638 heterogeneous catalyst Substances 0.000 title 1
- 229910052751 metal Inorganic materials 0.000 abstract 3
- 239000002184 metal Substances 0.000 abstract 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 abstract 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 abstract 2
- 241000225517 Bario Species 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- 239000004215 Carbon black (E152) Substances 0.000 abstract 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 1
- -1 GERMAN Chemical compound 0.000 abstract 1
- 241001101998 Galium Species 0.000 abstract 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical class [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 abstract 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052787 antimony Inorganic materials 0.000 abstract 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 abstract 1
- 229910052785 arsenic Inorganic materials 0.000 abstract 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 abstract 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 abstract 1
- 229910052793 cadmium Inorganic materials 0.000 abstract 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 239000010949 copper Substances 0.000 abstract 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 abstract 1
- 229910052737 gold Inorganic materials 0.000 abstract 1
- 239000010931 gold Substances 0.000 abstract 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 abstract 1
- 229930195733 hydrocarbon Natural products 0.000 abstract 1
- 150000002430 hydrocarbons Chemical class 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 abstract 1
- 229910052753 mercury Inorganic materials 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 abstract 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 abstract 1
- 229910052697 platinum Inorganic materials 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 abstract 1
- NSKGQURZWSPSBC-VVPCINPTSA-N ribostamycin Chemical compound N[C@@H]1[C@@H](O)[C@H](O)[C@@H](CN)O[C@@H]1O[C@H]1[C@H](O[C@H]2[C@@H]([C@H](O)[C@@H](CO)O2)O)[C@@H](O)[C@H](N)C[C@@H]1N NSKGQURZWSPSBC-VVPCINPTSA-N 0.000 abstract 1
- 229910052709 silver Inorganic materials 0.000 abstract 1
- 239000004332 silver Substances 0.000 abstract 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 abstract 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 abstract 1
- FRNOGLGSGLTDKL-UHFFFAOYSA-N thulium atom Chemical compound [Tm] FRNOGLGSGLTDKL-UHFFFAOYSA-N 0.000 abstract 1
- 229910052719 titanium Inorganic materials 0.000 abstract 1
- 239000010936 titanium Substances 0.000 abstract 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 abstract 1
- 229910052725 zinc Inorganic materials 0.000 abstract 1
- 239000011701 zinc Substances 0.000 abstract 1
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
- 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
- C07D307/08—Preparation of tetrahydrofuran
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (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)
Abstract
UN PROCESO PARA LA DESPOLIMERIZACION DE UN POLIETER PARA UN TETRAHIDROFURANO, QUE COMPRENDE CONTACTAR A UNA TEMPERATURA DE 100 C HASTA 250 C, UN POLIMERO QUE CONSTA DE UNA O MAS UNIDADES DE REPETICION DE LA FORMULA EN DONDE CADA R{SUP,1}, R{SUP,2}, R{SUP,3}, Y R{SUP,4} ES INDEPENDIENTEMENTE HIDROGENO O HIDROCARBILO QUE CONTIENE DE 1 HASTA 20 ATOMOS DE CARBONO, CON UN CATALIZADOR HETEROGENEO QUE CONTIENE UN PERFLUOROALQUILSULFONATO DE METAL LIGADO A LA SUPERFICIE DE DICHO CATALIZADOR, DICHO METAL SIENDO ESTRONCIO, BARIO, ESCANDIO, ITRIO, LOS METALES DE TIERRAS RARAS, TITANIO, ZIRCONIO, HAFNIO, VANADIO, NIOBIO, CROMO, MOLIBDENO, TANTALO, TUNGSTENO, RENIO, HIERRO, RUTENIO, OSMIO, RODIO, IRIDIO, PALADIO, PLATINO, COBRE, PLATA, ORO, ZINC, CADMIO, MERCURIO, ALUMINIO, GALIO, INDIO, TULIO, GERMANIO, ESTAÑO, PLOMO, ARSENICO, ANTIMONIO Y/O BISMUTO.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US9311993A | 1993-07-16 | 1993-07-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2147343T3 true ES2147343T3 (es) | 2000-09-01 |
Family
ID=22237282
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES94923920T Expired - Lifetime ES2139088T3 (es) | 1993-07-16 | 1994-07-14 | Polimerizacion de eteres ciclicos usando catalizadores heterogeneos. |
| ES96202116T Expired - Lifetime ES2147343T3 (es) | 1993-07-16 | 1994-07-14 | Despolimerizacion de polieteres usando catalizadores heterogeneos. |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES94923920T Expired - Lifetime ES2139088T3 (es) | 1993-07-16 | 1994-07-14 | Polimerizacion de eteres ciclicos usando catalizadores heterogeneos. |
Country Status (7)
| Country | Link |
|---|---|
| EP (3) | EP0750000B1 (es) |
| JP (1) | JPH09500161A (es) |
| KR (2) | KR100325965B1 (es) |
| DE (3) | DE69420845T2 (es) |
| ES (2) | ES2139088T3 (es) |
| SG (1) | SG52641A1 (es) |
| WO (1) | WO1995002625A2 (es) |
Families Citing this family (8)
| 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 (en) * | 2001-03-07 | 2002-09-12 | Honda Giken Kogyo Kabushiki Kaisha | Friction agitation joining method, flat material for plastic working, and closed-end sleeve-like body |
| 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 |
| EP3222648B1 (en) * | 2014-11-20 | 2020-01-01 | Mitsubishi Chemical Corporation | Polytetramethylene ether glycol, method for producing it, polyester elastomer and polyurethane |
| 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)
| 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 (es) * | 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 |
| EP1029881B1 (en) * | 1992-10-21 | 2004-05-12 | E.I. Du Pont De Nemours And Company | Depolymerization to cyclic ethers using selected metal compound catalysts |
| DE69319626T2 (de) * | 1993-02-23 | 1999-02-11 | E.I. Du Pont De Nemours And Co., Wilmington, Del. | Copolymerisation von tetrahydrofuranen und cyclischen anhydriden |
-
1994
- 1994-07-14 EP EP96202116A patent/EP0750000B1/en not_active Expired - Lifetime
- 1994-07-14 KR KR1020017010610A patent/KR100325965B1/ko not_active Expired - Fee Related
- 1994-07-14 JP JP7504610A patent/JPH09500161A/ja not_active Ceased
- 1994-07-14 ES ES94923920T patent/ES2139088T3/es not_active Expired - Lifetime
- 1994-07-14 ES ES96202116T patent/ES2147343T3/es not_active Expired - Lifetime
- 1994-07-14 WO PCT/US1994/007590 patent/WO1995002625A2/en not_active Ceased
- 1994-07-14 SG SG1996007260A patent/SG52641A1/en unknown
- 1994-07-14 KR KR1019960700181A patent/KR100323176B1/ko not_active Expired - Fee Related
- 1994-07-14 EP EP98204328A patent/EP0903365B1/en not_active Expired - Lifetime
- 1994-07-14 DE DE69420845T patent/DE69420845T2/de not_active Expired - Fee Related
- 1994-07-14 DE DE69424316T patent/DE69424316T2/de not_active Expired - Fee Related
- 1994-07-14 DE DE69432086T patent/DE69432086T2/de not_active Expired - Fee Related
- 1994-07-14 EP EP94923920A patent/EP0708794B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0903365A2 (en) | 1999-03-24 |
| EP0708794A1 (en) | 1996-05-01 |
| DE69432086D1 (de) | 2003-03-06 |
| EP0708794B1 (en) | 1999-09-22 |
| WO1995002625A2 (en) | 1995-01-26 |
| KR100325965B1 (ko) | 2002-03-07 |
| DE69424316D1 (de) | 2000-06-08 |
| KR100323176B1 (ko) | 2002-06-26 |
| KR960703965A (ko) | 1996-08-31 |
| DE69420845T2 (de) | 2000-04-20 |
| WO1995002625A3 (en) | 1995-05-26 |
| EP0750000B1 (en) | 2000-05-03 |
| ES2139088T3 (es) | 2000-02-01 |
| JPH09500161A (ja) | 1997-01-07 |
| EP0750000A2 (en) | 1996-12-27 |
| SG52641A1 (en) | 1998-09-28 |
| EP0750000A3 (en) | 1997-02-19 |
| DE69432086T2 (de) | 2003-10-30 |
| EP0903365A3 (en) | 1999-04-21 |
| DE69420845D1 (de) | 1999-10-28 |
| EP0903365B1 (en) | 2003-01-29 |
| DE69424316T2 (de) | 2000-12-28 |
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