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TW200303880A - Reduction of the proportion of cyclic oligomeric ethers in polytetrahydrofuran or copolymers of tetrahydrofuran - Google Patents

Reduction of the proportion of cyclic oligomeric ethers in polytetrahydrofuran or copolymers of tetrahydrofuran Download PDF

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Publication number
TW200303880A
TW200303880A TW92104026A TW92104026A TW200303880A TW 200303880 A TW200303880 A TW 200303880A TW 92104026 A TW92104026 A TW 92104026A TW 92104026 A TW92104026 A TW 92104026A TW 200303880 A TW200303880 A TW 200303880A
Authority
TW
Taiwan
Prior art keywords
pthf
hydrocarbons
thf
item
patent application
Prior art date
Application number
TW92104026A
Other languages
English (en)
Chinese (zh)
Inventor
Martin Haubner
Siegmar Maaben
Rolf-Hartmuth Fischer
Christoph Sigwart
Original Assignee
Basf Ag
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 Basf Ag filed Critical Basf Ag
Publication of TW200303880A publication Critical patent/TW200303880A/zh

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Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/04Macromolecular 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
    • C08G65/06Cyclic ethers having no atoms other than carbon and hydrogen outside the ring
    • C08G65/16Cyclic ethers having four or more ring atoms
    • C08G65/20Tetrahydrofuran
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/30Post-polymerisation treatment, e.g. recovery, purification, drying

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyethers (AREA)
TW92104026A 2002-03-12 2003-02-26 Reduction of the proportion of cyclic oligomeric ethers in polytetrahydrofuran or copolymers of tetrahydrofuran TW200303880A (en)

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
TW200303880A true TW200303880A (en) 2003-09-16

Family

ID=27797680

Family Applications (1)

Application Number Title Priority Date Filing Date
TW92104026A TW200303880A (en) 2002-03-12 2003-02-26 Reduction of the proportion of cyclic oligomeric ethers in polytetrahydrofuran or copolymers of tetrahydrofuran

Country Status (4)

Country Link
AU (1) AU2003218683A1 (de)
DE (1) DE10210727A1 (de)
TW (1) TW200303880A (de)
WO (1) WO2003076493A1 (de)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
AU2003218683A1 (en) 2003-09-22
DE10210727A1 (de) 2003-10-02
WO2003076493A1 (de) 2003-09-18

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