AU2001287649A1 - Method for lowering the chlorine content in low-molecular isocyanates - Google Patents

Method for lowering the chlorine content in low-molecular isocyanates

Info

Publication number
AU2001287649A1
AU2001287649A1 AU2001287649A AU8764901A AU2001287649A1 AU 2001287649 A1 AU2001287649 A1 AU 2001287649A1 AU 2001287649 A AU2001287649 A AU 2001287649A AU 8764901 A AU8764901 A AU 8764901A AU 2001287649 A1 AU2001287649 A1 AU 2001287649A1
Authority
AU
Australia
Prior art keywords
lowering
low
chlorine content
isocyanates
molecular
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
AU2001287649A
Inventor
Andreas Bezold
Martin Brahm
Gerd Brunner
Karsten Danielmeier
Uwe Denninger
Ralf Dohrn
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.)
Bayer AG
Original Assignee
Bayer 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 Bayer AG filed Critical Bayer AG
Publication of AU2001287649A1 publication Critical patent/AU2001287649A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/18—Separation; Purification; Stabilisation; Use of additives
    • C07C263/20—Separation; Purification
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AU2001287649A 2000-08-03 2001-07-23 Method for lowering the chlorine content in low-molecular isocyanates Abandoned AU2001287649A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10037772 2000-08-03
DE10037772A DE10037772A1 (en) 2000-08-03 2000-08-03 Process for lowering the chlorine content in low molecular weight isocyanates
PCT/EP2001/008469 WO2002012176A2 (en) 2000-08-03 2001-07-23 Method for lowering the chlorine content in low-molecular isocyanates

Publications (1)

Publication Number Publication Date
AU2001287649A1 true AU2001287649A1 (en) 2002-02-18

Family

ID=7651143

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001287649A Abandoned AU2001287649A1 (en) 2000-08-03 2001-07-23 Method for lowering the chlorine content in low-molecular isocyanates

Country Status (4)

Country Link
US (1) US20020052466A1 (en)
AU (1) AU2001287649A1 (en)
DE (1) DE10037772A1 (en)
WO (1) WO2002012176A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PT3262091T (en) * 2015-02-26 2020-02-24 Covestro Deutschland Ag Method for producing a composition comprising polycarbodiimide having improved storage stability

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2625742B1 (en) * 1988-01-13 1990-06-22 Rhone Poulenc Chimie PROCESS FOR SEPARATION OF TOLUENE DIISOCYANATE CONTAINED IN THE RESIDUES OF ITS MANUFACTURE
US5185384A (en) * 1991-01-28 1993-02-09 The Dow Chemical Company Method for reducing hydrolyzable chloride in toluene diisocyanate

Also Published As

Publication number Publication date
DE10037772A1 (en) 2002-02-14
WO2002012176A2 (en) 2002-02-14
WO2002012176A3 (en) 2002-04-11
US20020052466A1 (en) 2002-05-02

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