DE10210727A1 - Verfahren zur Verminderung des Anteils an cyclischen oligomeren Ethern in Polytetrahydrofuran oder Copolymeren aus Tetrahydrofuran - Google Patents
Verfahren zur Verminderung des Anteils an cyclischen oligomeren Ethern in Polytetrahydrofuran oder Copolymeren aus TetrahydrofuranInfo
- Publication number
- DE10210727A1 DE10210727A1 DE2002110727 DE10210727A DE10210727A1 DE 10210727 A1 DE10210727 A1 DE 10210727A1 DE 2002110727 DE2002110727 DE 2002110727 DE 10210727 A DE10210727 A DE 10210727A DE 10210727 A1 DE10210727 A1 DE 10210727A1
- Authority
- DE
- Germany
- Prior art keywords
- pthf
- thf
- copolymers
- stirrer
- hydrocarbon
- 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.)
- Withdrawn
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
- 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
- C08G65/30—Post-polymerisation treatment, e.g. recovery, purification, drying
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyethers (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2002110727 DE10210727A1 (de) | 2002-03-12 | 2002-03-12 | Verfahren zur Verminderung des Anteils an cyclischen oligomeren Ethern in Polytetrahydrofuran oder Copolymeren aus Tetrahydrofuran |
| TW92104026A TW200303880A (en) | 2002-03-12 | 2003-02-26 | Reduction of the proportion of cyclic oligomeric ethers in polytetrahydrofuran or copolymers of tetrahydrofuran |
| PCT/EP2003/002185 WO2003076493A1 (de) | 2002-03-12 | 2003-03-04 | Verfahren zur verminderung des anteils an cyclischen oligomeren ethern in polytetrahydrofuran oder copolymeren aus tetrahydrofuran |
| AU2003218683A AU2003218683A1 (en) | 2002-03-12 | 2003-03-04 | Method for reducing the portion of cyclical oligomeric ethers in polytetrahydrofuran or tetrahydrofuran copolymers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2002110727 DE10210727A1 (de) | 2002-03-12 | 2002-03-12 | Verfahren zur Verminderung des Anteils an cyclischen oligomeren Ethern in Polytetrahydrofuran oder Copolymeren aus Tetrahydrofuran |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE10210727A1 true DE10210727A1 (de) | 2003-10-02 |
Family
ID=27797680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2002110727 Withdrawn DE10210727A1 (de) | 2002-03-12 | 2002-03-12 | Verfahren zur Verminderung des Anteils an cyclischen oligomeren Ethern in Polytetrahydrofuran oder Copolymeren aus Tetrahydrofuran |
Country Status (4)
| Country | Link |
|---|---|
| AU (1) | AU2003218683A1 (zh) |
| DE (1) | DE10210727A1 (zh) |
| TW (1) | TW200303880A (zh) |
| WO (1) | WO2003076493A1 (zh) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4500705A (en) * | 1984-01-09 | 1985-02-19 | E. I. Du Pont De Nemours And Company | Method for reducing oligomeric cyclic ether content of a polymerizate |
-
2002
- 2002-03-12 DE DE2002110727 patent/DE10210727A1/de not_active Withdrawn
-
2003
- 2003-02-26 TW TW92104026A patent/TW200303880A/zh unknown
- 2003-03-04 WO PCT/EP2003/002185 patent/WO2003076493A1/de not_active Ceased
- 2003-03-04 AU AU2003218683A patent/AU2003218683A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| TW200303880A (en) | 2003-09-16 |
| AU2003218683A1 (en) | 2003-09-22 |
| WO2003076493A1 (de) | 2003-09-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8130 | Withdrawal |