AU2003293872A1 - Method for separating isocyanates out from a reaction mixture - Google Patents

Method for separating isocyanates out from a reaction mixture

Info

Publication number
AU2003293872A1
AU2003293872A1 AU2003293872A AU2003293872A AU2003293872A1 AU 2003293872 A1 AU2003293872 A1 AU 2003293872A1 AU 2003293872 A AU2003293872 A AU 2003293872A AU 2003293872 A AU2003293872 A AU 2003293872A AU 2003293872 A1 AU2003293872 A1 AU 2003293872A1
Authority
AU
Australia
Prior art keywords
reaction mixture
isocyanate
mbar
isocyanates
reactor
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
AU2003293872A
Other languages
English (en)
Inventor
Wolfgang Mackenroth
Filip Nevejans
Hans-Jurgen Pallasch
Ulrich Penzel
Michael Sander
Hans Volkmar Schwarz
Martin Sohn
Eckhard Stroefer
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
BASF SE
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 BASF SE filed Critical BASF SE
Publication of AU2003293872A1 publication Critical patent/AU2003293872A1/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
    • 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
    • C07C265/00—Derivatives of isocyanic acid
    • C07C265/14—Derivatives of isocyanic acid containing at least two isocyanate groups bound to the same carbon skeleton

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AU2003293872A 2002-12-19 2003-12-13 Method for separating isocyanates out from a reaction mixture Abandoned AU2003293872A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10260093A DE10260093A1 (de) 2002-12-19 2002-12-19 Verfahren zur Abtrennung von Isocyanaten aus einem Reaktionsgemisch
DE10260093.7 2002-12-19
PCT/EP2003/014186 WO2004056757A1 (de) 2002-12-19 2003-12-13 Verfahren zur abtrennung von isocyanaten aus einem reaktionsgemisch

Publications (1)

Publication Number Publication Date
AU2003293872A1 true AU2003293872A1 (en) 2004-07-14

Family

ID=32404076

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003293872A Abandoned AU2003293872A1 (en) 2002-12-19 2003-12-13 Method for separating isocyanates out from a reaction mixture

Country Status (12)

Country Link
US (1) US20060089507A1 (https=)
EP (1) EP1575905B1 (https=)
JP (1) JP4324559B2 (https=)
KR (1) KR101016737B1 (https=)
CN (1) CN1729166A (https=)
AT (1) ATE442350T1 (https=)
AU (1) AU2003293872A1 (https=)
DE (2) DE10260093A1 (https=)
ES (1) ES2330518T3 (https=)
MX (1) MXPA05006056A (https=)
PT (1) PT1575905E (https=)
WO (1) WO2004056757A1 (https=)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10333929A1 (de) * 2003-07-25 2005-02-24 Bayer Materialscience Ag Herstellung von Mischungen von Di- und Polyisocyanaten der Diphenylmethanreihe mit hohen Gehalten an 4,4'-Methylendiphenyldiisocyanat und 2,4'-Methylendiphenyldiisocyanat
US8030522B2 (en) * 2006-06-07 2011-10-04 Bayer Materialscience Llc Process for the production of toluene diisocyanate
US8173833B2 (en) * 2006-11-07 2012-05-08 Basf Aktiengesellschaft Method for the production of isocyanates
DE102007020444A1 (de) 2007-04-27 2008-11-06 Bayer Materialscience Ag Verfahren zur Oxidation eines Chlorwasserstoffenthaltenden Gasgemisches
EP2197836B1 (de) 2007-08-31 2013-04-24 Basf Se Verfahren zur herstellung von isocyanaten
CN102675154B (zh) * 2011-03-11 2013-11-06 中国科学院过程工程研究所 一种氨基甲酸酯热解制备mdi复杂产物的分离精制装置及方法
IN2014DN07241A (https=) 2012-03-19 2015-04-24 Bayer Ip Gmbh
CN103382167B (zh) * 2013-05-16 2015-06-17 甘肃银光聚银化工有限公司 一种精制六亚甲基二异氰酸酯的装置和方法
WO2015024859A1 (de) * 2013-08-19 2015-02-26 Bayer Materialscience Ag Verfahren zur gewinnung von organischen isocyanaten aus destillationsrückständen der isocyanatherstellung
PT3160630T (pt) * 2014-06-24 2022-11-21 Covestro Intellectual Property Gmbh & Co Kg Processo para a produção de produtos químicos com interrupções do processo
US10662141B2 (en) 2016-10-10 2020-05-26 Basf Se Process for hydrogenating toluenediamine (TDA) tar
JP7155125B2 (ja) 2016-12-21 2022-10-18 コベストロ、ドイチュラント、アクチエンゲゼルシャフト イソシアネートの製造方法
CN107652208B (zh) * 2017-08-30 2020-06-02 万华化学（宁波）有限公司 一种从光气化反应得到的异氰酸酯产物中脱除溶剂的方法和装置
CN114423735A (zh) 2019-09-17 2022-04-29 科思创德国股份有限公司 制备异氰酸酯的方法
KR102839455B1 (ko) * 2020-12-30 2025-07-25 한화솔루션 주식회사 이소시아네이트 화합물의 제조 방법
KR102847664B1 (ko) * 2021-11-30 2025-08-18 한화솔루션 주식회사 디이소시아네이트의 제조방법

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3140305A (en) * 1962-12-17 1964-07-07 Fmc Corp Preparation of diisocyanates
US3410888A (en) * 1965-05-18 1968-11-12 Upjohn Co Process for recovering aromatic diisocyanates
US3405040A (en) * 1965-08-31 1968-10-08 Mobay Chemical Corp Method for recovering tolylene diisocyanate
CA998060A (en) * 1970-05-22 1976-10-05 Carl F. Irwin Recovery of organic isocyanate
DE19528781A1 (de) * 1995-08-04 1997-02-06 Bayer Ag Verfahren zur Herstellung von Toluylendiisocyanat, spezielle Gemische aus Toluylendiamin und Wasser und deren Verwendung zur Herstellung von Toluylendiisocyanat
DE19804915A1 (de) * 1998-02-07 1999-08-12 Basf Ag Verfahren zur Herstellung von Methylendi(phenylamin) und Methylendi(phenylisocyanat)
DE19817691A1 (de) * 1998-04-21 1999-10-28 Basf Ag Verfahren zur Herstellung von Mischungen aus Diphenylmehandiisocyanaten und Polyphenylen-polymethylen-polyisocyanaten mit vermindertem Gehalt an chlorierten Nebenprodukten und verminderter Jodfarbzahl
EP1371633A1 (en) * 2002-06-14 2003-12-17 Bayer Ag Process for the purification of mixtures of toluenediisocyanate incorporating a dividing-wall distillation column

Also Published As

Publication number Publication date
JP2006510693A (ja) 2006-03-30
JP4324559B2 (ja) 2009-09-02
CN1729166A (zh) 2006-02-01
PT1575905E (pt) 2009-09-30
MXPA05006056A (es) 2005-08-16
US20060089507A1 (en) 2006-04-27
DE50311902D1 (de) 2009-10-22
KR20050089053A (ko) 2005-09-07
KR101016737B1 (ko) 2011-02-25
EP1575905A1 (de) 2005-09-21
DE10260093A1 (de) 2004-07-01
EP1575905B1 (de) 2009-09-09
ES2330518T3 (es) 2009-12-11
ATE442350T1 (de) 2009-09-15
WO2004056757A1 (de) 2004-07-08

Similar Documents

Publication Publication Date Title
AU2003293872A1 (en) Method for separating isocyanates out from a reaction mixture
JP4360878B2 (ja) トルエンジイソシアネートの精製および製造方法
US7584629B2 (en) Separation of a substance mixture consisting of hydrogen chloride and phosgene
KR101385909B1 (ko) 이소시아네이트의 제조 방법
JP5366580B2 (ja) イソシアネートの製造方法
JP5815517B2 (ja) イソシアネートの製造方法
KR102209958B1 (ko) 액상으로의 아민의 포스겐화에 의한 이소시아네이트의 제조 방법
AU2003294849A1 (en) Method for separating out solvent from a reaction mixture resulting from an isocyanate synthesis and for purifying this solvent
WO2010006934A3 (en) Two stage process for producing purified gas
KR950003251A (ko) 디메틸 카보네이트의 제조방법
RU2008150044A (ru) Способ выделения хлора из газообразного продукта процесса окисления хлористого водорода
DE50306115D1 (de) Verfahren zur herstellung von isocyanaten und reaktionsvorrichtung
JP2006510693A5 (https=)
JP2012532918A (ja) ジフェニルメタンジイソシアネート類の明色イソシアネートの製造方法
RU2008150592A (ru) Способ получения хлора из хлористого водорода и кислорода
US9227909B2 (en) Method for the continuous production of nitrobenzene
JP2007510724A (ja) 改良されたシクロヘキサンの酸化方法
IN2012DN06523A (https=)
EP3336057B1 (en) Method for producing hydrogen chloride
JPH01224348A (ja) イソ酪酸の連続的製法
US5693853A (en) Phosgenation method
EP2559659A1 (en) A process for separating hydrogen chloride gas out of a mixture of hydrogen chloride and phosgene
JPH09100258A (ja) エチルアミン類の製造方法
RU2024113539A (ru) Способ и система для получения дифениламина и фенотиазина из анилина
KR20190064976A (ko) 이소시아네이트 화합물의 제조방법

Legal Events

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