ATE247636T1 - Verfahren zur herstellung von aliphatischen diisocyanaten - Google Patents

Verfahren zur herstellung von aliphatischen diisocyanaten

Info

Publication number
ATE247636T1
ATE247636T1 AT00127231T AT00127231T ATE247636T1 AT E247636 T1 ATE247636 T1 AT E247636T1 AT 00127231 T AT00127231 T AT 00127231T AT 00127231 T AT00127231 T AT 00127231T AT E247636 T1 ATE247636 T1 AT E247636T1
Authority
AT
Austria
Prior art keywords
aliphatic diisocyanate
waste stream
aliphatic
reaction mixture
component
Prior art date
Application number
AT00127231T
Other languages
English (en)
Inventor
Alexa B Sommer
Mary Ann Wittig
Edwin R Hortelano
Philip E Yeske
Jane F Ciebien
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
Application granted granted Critical
Publication of ATE247636T1 publication Critical patent/ATE247636T1/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/10—Preparation of derivatives of isocyanic acid by reaction of amines with carbonyl halides, e.g. with phosgene
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AT00127231T 1999-12-28 2000-12-15 Verfahren zur herstellung von aliphatischen diisocyanaten ATE247636T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/473,097 US6307096B1 (en) 1999-12-28 1999-12-28 Method for making aliphatic diisocyanates

Publications (1)

Publication Number Publication Date
ATE247636T1 true ATE247636T1 (de) 2003-09-15

Family

ID=23878201

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00127231T ATE247636T1 (de) 1999-12-28 2000-12-15 Verfahren zur herstellung von aliphatischen diisocyanaten

Country Status (5)

Country Link
US (1) US6307096B1 (de)
EP (1) EP1113003B1 (de)
AT (1) ATE247636T1 (de)
DE (1) DE60004626T2 (de)
ES (1) ES2206130T3 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2539314B1 (de) * 2010-02-26 2015-04-08 Basf Se Verfahren zur herstellung von isocyanaten in der gasphase
WO2018114846A1 (de) * 2016-12-21 2018-06-28 Covestro Deutschland Ag Verfahren zur herstellung eines isocyanats
CN115108942B (zh) * 2022-07-06 2023-10-27 摩珈(上海)生物科技有限公司 超临界光气化反应制备异氰酸酯的方法
CN115850116B (zh) * 2022-11-30 2024-06-28 摩珈(上海)生物科技有限公司 一种无溶剂超临界催化合成1,5-戊二异氰酸酯的方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2035731C3 (de) * 1970-07-18 1985-08-29 Bayer Ag, 5090 Leverkusen Verfahren zur einstufigen kontinuierlichen Abtrennung von Destillationsrückständen aus rohen Isocyanaten
US3897314A (en) 1970-07-18 1975-07-29 Bayer Ag Process for removing distillation residue from crude isocyanates
FR2607499A1 (fr) 1986-12-02 1988-06-03 Rhone Poulenc Chimie Polyisocyanates a groupement isocyanurique purs et procede d'obtention de ces polyisocyanates
FR2621037B1 (fr) 1987-09-24 1989-12-08 Rhone Poulenc Chimie Procede de purification et d'isolement de condensats d'isocyanates par extraction au co2 liquide ou supercritique
FR2625742B1 (fr) 1988-01-13 1990-06-22 Rhone Poulenc Chimie Procede de separation du toluene diisocyanate contenu dans les residus de sa fabrication
FR2629086B1 (fr) 1988-03-22 1990-12-07 Rhone Poulenc Chimie Procede de purification et d'isolement de condensats d'isocyanates par extraction au co2 liquide ou supercritique
DE19616046C2 (de) 1996-04-23 1998-03-26 Joachim Brimmer Ingenieurbuero Verfahren zur Abtrennung von organischen Monomeren oder Hilfsstoffen
US5962728A (en) 1997-10-31 1999-10-05 Arco Chemical Technology, L.P. Isocyanate residue purification

Also Published As

Publication number Publication date
DE60004626T2 (de) 2004-06-24
EP1113003A1 (de) 2001-07-04
DE60004626D1 (de) 2003-09-25
EP1113003B1 (de) 2003-08-20
US6307096B1 (en) 2001-10-23
ES2206130T3 (es) 2004-05-16

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Legal Events

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