AU1144701A - Process for producing polytetramethylene ether diester with low color number - Google Patents

Process for producing polytetramethylene ether diester with low color number

Info

Publication number
AU1144701A
AU1144701A AU11447/01A AU1144701A AU1144701A AU 1144701 A AU1144701 A AU 1144701A AU 11447/01 A AU11447/01 A AU 11447/01A AU 1144701 A AU1144701 A AU 1144701A AU 1144701 A AU1144701 A AU 1144701A
Authority
AU
Australia
Prior art keywords
color number
polytetramethylene ether
low color
ether diester
producing polytetramethylene
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.)
Abandoned
Application number
AU11447/01A
Inventor
Aldo Bertola
Salvatore Cassarino
Myriam Hobe
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.)
BASF SE
Original Assignee
Pantochim SA
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 Pantochim SA filed Critical Pantochim SA
Publication of AU1144701A publication Critical patent/AU1144701A/en
Abandoned legal-status Critical Current

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
    • C08G65/32—Polymers modified by chemical after-treatment
    • C08G65/321—Polymers modified by chemical after-treatment with inorganic compounds
    • C08G65/322—Polymers modified by chemical after-treatment with inorganic compounds containing hydrogen
    • 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)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyethers (AREA)
AU11447/01A 1999-10-27 2000-10-25 Process for producing polytetramethylene ether diester with low color number Abandoned AU1144701A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
BE9900703A BE1012947A6 (en) 1999-10-27 1999-10-27 DIESTER METHOD FOR PRODUCING ESTER polytetramethylene LOW COLOUR INDEX.
BE9900703 1999-10-27
PCT/EP2000/010510 WO2001030884A1 (en) 1999-10-27 2000-10-25 Process for producing polytetramethylene ether diester with low color number

Publications (1)

Publication Number Publication Date
AU1144701A true AU1144701A (en) 2001-05-08

Family

ID=3892137

Family Applications (1)

Application Number Title Priority Date Filing Date
AU11447/01A Abandoned AU1144701A (en) 1999-10-27 2000-10-25 Process for producing polytetramethylene ether diester with low color number

Country Status (3)

Country Link
AU (1) AU1144701A (en)
BE (1) BE1012947A6 (en)
WO (1) WO2001030884A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006009150B4 (en) * 2006-02-24 2018-07-19 Basf Se Process for the preparation of polytetrahydrofuran or tetrahydrofuran copolymers

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3112065A1 (en) * 1981-03-27 1982-10-07 Basf Ag, 6700 Ludwigshafen METHOD FOR PRODUCING POLYTETRAMETHYLENE ETHER GLYCOL OR GLYCOL DIESTER WITH LOW COLOR NUMBER
DE3935750A1 (en) * 1989-10-27 1991-05-02 Basf Ag METHOD FOR PRODUCING HIGH PURITY POLYMERISATES OF TETRAHYDROFURANE
US5684179A (en) * 1995-12-14 1997-11-04 E. I. Du Pont De Nemours And Company Method for recovering diacetate esters of polytetramethylene ethers
TW343201B (en) * 1995-12-14 1998-10-21 Du Pont Improved method for manufacturing diacetate esters of polytetramethylene ethers

Also Published As

Publication number Publication date
WO2001030884A1 (en) 2001-05-03
BE1012947A6 (en) 2001-06-05

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase