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DE19881631T1 - Verfahren zur Reinigung von Tetrahydrofuranen, die als Ausgangsmaterial für Polyetherpolyole verwendet werden - Google Patents

Verfahren zur Reinigung von Tetrahydrofuranen, die als Ausgangsmaterial für Polyetherpolyole verwendet werden

Info

Publication number
DE19881631T1
DE19881631T1 DE19881631T DE19881631T DE19881631T1 DE 19881631 T1 DE19881631 T1 DE 19881631T1 DE 19881631 T DE19881631 T DE 19881631T DE 19881631 T DE19881631 T DE 19881631T DE 19881631 T1 DE19881631 T1 DE 19881631T1
Authority
DE
Germany
Prior art keywords
tetrahydrofurans
purification
starting material
polyether polyols
polyols
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.)
Granted
Application number
DE19881631T
Other languages
English (en)
Other versions
DE19881631B4 (de
Inventor
Hiroshi Nakaoka
Toshiro Kubota
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.)
Hodogaya Chemical Co Ltd
Original Assignee
Hodogaya Chemical Co Ltd
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 Hodogaya Chemical Co Ltd filed Critical Hodogaya Chemical Co Ltd
Publication of DE19881631T1 publication Critical patent/DE19881631T1/de
Application granted granted Critical
Publication of DE19881631B4 publication Critical patent/DE19881631B4/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Polyethers (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE19881631T 1997-09-30 1998-09-29 Verfahren zur Reinigung von Tetrahydrofuranen, die als Ausgangsmaterial für Polyetherpolyole verwendet werden Expired - Lifetime DE19881631B4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP26645097 1997-09-30
JP9/266450 1997-09-30
PCT/JP1998/004369 WO1999016762A1 (en) 1997-09-30 1998-09-29 Process for purifying tetrahydrofurans used as starting material for polyether polyols

Publications (2)

Publication Number Publication Date
DE19881631T1 true DE19881631T1 (de) 1999-10-28
DE19881631B4 DE19881631B4 (de) 2009-02-05

Family

ID=17431113

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19881631T Expired - Lifetime DE19881631B4 (de) 1997-09-30 1998-09-29 Verfahren zur Reinigung von Tetrahydrofuranen, die als Ausgangsmaterial für Polyetherpolyole verwendet werden

Country Status (6)

Country Link
US (1) US6201137B1 (de)
JP (1) JP4144656B2 (de)
KR (1) KR100456387B1 (de)
DE (1) DE19881631B4 (de)
TW (1) TW396153B (de)
WO (1) WO1999016762A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10223054A1 (de) * 2002-05-24 2003-12-04 Basf Ag Verfahren zur Herstellung von Polyetherolen
DE10223067A1 (de) * 2002-05-24 2003-12-11 Basf Ag Verfahren zur Herstellung von Polytetrahydrofuran mit niedrigen Farbzahlen
DE10237954A1 (de) * 2002-08-20 2004-03-04 Basf Ag Verfahren zur Herstellung von Tetrahydrofuran
WO2015194568A1 (ja) * 2014-06-17 2015-12-23 三菱化学株式会社 テトラヒドロフラン化合物の精製方法
JPWO2023145554A1 (de) 2022-01-28 2023-08-03

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3450608A (en) * 1966-03-09 1969-06-17 Nalco Chemical Co Purification of ethers
CA952132A (en) 1970-11-12 1974-07-30 Jacob Gorla Minore Ackermann Method of purifying polymerizable organic substances
JPH0629280B2 (ja) * 1985-02-28 1994-04-20 三菱化成株式会社 粗テトラヒドロフランの精製方法
DE4005293A1 (de) * 1990-02-20 1991-08-22 Basf Ag Verfahren zur herstellung von tetrahydrofuran und -butyrolacton

Also Published As

Publication number Publication date
JP4144656B2 (ja) 2008-09-03
US6201137B1 (en) 2001-03-13
KR100456387B1 (ko) 2004-11-10
KR20000069157A (ko) 2000-11-25
DE19881631B4 (de) 2009-02-05
WO1999016762A1 (en) 1999-04-08
TW396153B (en) 2000-07-01

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8364 No opposition during term of opposition
R071 Expiry of right