DE60004626D1 - Verfahren zur Herstellung von aliphatischen Diisocyanaten - Google Patents

Verfahren zur Herstellung von aliphatischen Diisocyanaten

Info

Publication number
DE60004626D1
DE60004626D1 DE60004626T DE60004626T DE60004626D1 DE 60004626 D1 DE60004626 D1 DE 60004626D1 DE 60004626 T DE60004626 T DE 60004626T DE 60004626 T DE60004626 T DE 60004626T DE 60004626 D1 DE60004626 D1 DE 60004626D1
Authority
DE
Germany
Prior art keywords
aliphatic diisocyanate
waste stream
aliphatic
reaction mixture
component
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.)
Expired - Fee Related
Application number
DE60004626T
Other languages
English (en)
Other versions
DE60004626T2 (de
Inventor
Alexa B Sommer
Mary Ann Wittig
Edwin R Hortelano
Philip E Yeske
Jane F Ciebien
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
Bayer Corp
Original Assignee
Bayer AG
Bayer Corp
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, Bayer Corp filed Critical Bayer AG
Application granted granted Critical
Publication of DE60004626D1 publication Critical patent/DE60004626D1/de
Publication of DE60004626T2 publication Critical patent/DE60004626T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C07C263/10—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)
DE60004626T 1999-12-28 2000-12-15 Verfahren zur Herstellung von aliphatischen Diisocyanaten Expired - Fee Related DE60004626T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US473097 1995-06-07
US09/473,097 US6307096B1 (en) 1999-12-28 1999-12-28 Method for making aliphatic diisocyanates

Publications (2)

Publication Number Publication Date
DE60004626D1 true DE60004626D1 (de) 2003-09-25
DE60004626T2 DE60004626T2 (de) 2004-06-24

Family

ID=23878201

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60004626T Expired - Fee Related DE60004626T2 (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
WO2011104264A1 (de) * 2010-02-26 2011-09-01 Basf Se Verfahren zur herstellung von isocyanaten in der gasphase
KR102596786B1 (ko) * 2016-12-21 2023-11-02 코베스트로 도이칠란트 아게 이소시아네이트를 제조하는 방법
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
ATE247636T1 (de) 2003-09-15
DE60004626T2 (de) 2004-06-24
EP1113003A1 (de) 2001-07-04
EP1113003B1 (de) 2003-08-20
US6307096B1 (en) 2001-10-23
ES2206130T3 (es) 2004-05-16

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee