ES2109959T3 - Reactor y procedimiento para la disociacion termica de esteres del acido carbamidico. - Google Patents

Reactor y procedimiento para la disociacion termica de esteres del acido carbamidico.

Info

Publication number
ES2109959T3
ES2109959T3 ES92112212T ES92112212T ES2109959T3 ES 2109959 T3 ES2109959 T3 ES 2109959T3 ES 92112212 T ES92112212 T ES 92112212T ES 92112212 T ES92112212 T ES 92112212T ES 2109959 T3 ES2109959 T3 ES 2109959T3
Authority
ES
Spain
Prior art keywords
reactor
esters
procedure
thermal dissociation
carbamidic acid
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 - Lifetime
Application number
ES92112212T
Other languages
English (en)
Inventor
Hans Volkmar Dr Schwarz
Andreas Dr Otterbach
Otto Mattner
Franz Dr Merger
Wolfgang Dr Schwarz
Eckhardt Dr Brandt
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
Application granted granted Critical
Publication of ES2109959T3 publication Critical patent/ES2109959T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/04—Preparation of derivatives of isocyanic acid from or via carbamates or carbamoyl halides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

REACTOR PARA EL DESDOBLAMIENTO TERMICO DE URETANOS MONO Y POLIFUNCIONALES EN LOS CORRESPONDIENTE ISOCIANATOS Y EL COMPONENTE HIDROXILO EN LA FASE LIQUIDA, EN DONDE LA GEOMETRIA DEL REACTOR CARACTERIZADA PORQUE LA SUPERFICIE DE DESGASIFICACION EN RELACION AL VOLUMEN Y LA DISPOSICION DE LAS SUPERFICIES CALEFACTORAS, PERMITE EL DESDOBLAMIENTO EN UNA MEZCLA DE DOS FASES, QUE PRESENTA MAS DE UN 50% DE CONTENIDO VOLUMETRICO DE GAS.
ES92112212T 1991-07-25 1992-07-17 Reactor y procedimiento para la disociacion termica de esteres del acido carbamidico. Expired - Lifetime ES2109959T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4124671A DE4124671A1 (de) 1991-07-25 1991-07-25 Reaktor und verfahren zur thermischen spaltung von carbamidsaeureestern

Publications (1)

Publication Number Publication Date
ES2109959T3 true ES2109959T3 (es) 1998-02-01

Family

ID=6436991

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92112212T Expired - Lifetime ES2109959T3 (es) 1991-07-25 1992-07-17 Reactor y procedimiento para la disociacion termica de esteres del acido carbamidico.

Country Status (8)

Country Link
US (1) US5616784A (es)
EP (1) EP0524554B1 (es)
JP (1) JP3238201B2 (es)
KR (1) KR100218656B1 (es)
AT (1) ATE159714T1 (es)
DE (2) DE4124671A1 (es)
DK (1) DK0524554T3 (es)
ES (1) ES2109959T3 (es)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2166922T3 (es) * 1996-03-15 2002-05-01 Bayer Ag Uso de disolventes o mezclas de disolventes de alto punto de ebullicion como medio intercambiador de calor para la disociacion termica de esteres de acidos carbamicos.
DE19813107A1 (de) 1998-03-25 1999-09-30 Basf Ag Verfahren zur Herstellung von Polyurethanschaumstoffen
DE10209095A1 (de) 2002-03-01 2003-09-11 Basf Ag Verfahren zur Herstellung von Isocyanaten
DE10215778A1 (de) 2002-04-10 2003-12-18 Basf Ag Reaktor zur thermischen Spaltung von mono- und polyfunktionellen Carbamidsäureestern
DE10338508A1 (de) 2003-08-22 2005-03-17 Degussa Ag Mehrstufiges Verfahren zur kontinuierlichen Herstellung von cycloaliphatischen Diisocyanaten
DE10338511A1 (de) * 2003-08-22 2005-03-17 Degussa Ag Mehrstufiges Verfahren zur kontinuierlichen Herstellung von cycloaliphatischen Diisocyanaten
DE10338509A1 (de) * 2003-08-22 2005-03-17 Degussa Ag Mehrstufiges Verfahren zur kontinuierlichen Herstellung von cycloaliphatischen Diisocyanaten
DE102004022626A1 (de) 2004-05-07 2005-12-15 Degussa Ag Mehrstufiges Verfahren zur kontinuierlichen Herstellung von cycloaliphatischen Diisocyanaten
DE102004026451A1 (de) * 2004-05-29 2005-12-15 Degussa Ag Mehrstufiges Verfahren zur kontinuierlichen Herstellung von cycloaliphatischen Diisocyanaten
DE102004036499A1 (de) * 2004-07-28 2006-03-23 Degussa Ag Mehrstufiges Verfahren zur kontinuierlichen Herstellung von cycloaliphatischen Diisocyanaten
JP4859255B2 (ja) 2006-11-17 2012-01-25 旭化成ケミカルズ株式会社 イソシアネートの製造方法
TW200844080A (en) 2007-01-11 2008-11-16 Asahi Kasei Chemicals Corp Process for producing isocyanate
BRPI0822694B1 (pt) 2008-05-15 2018-11-27 Asahi Kasei Chemicals Corp processo para produzir um isocianato
KR101363232B1 (ko) 2008-05-15 2014-02-12 아사히 가세이 케미칼즈 가부시키가이샤 탄산디아릴을 이용하는 이소시아네이트의 제조 방법
KR101348229B1 (ko) 2011-12-14 2014-01-08 경희대학교 산학협력단 지방족 디이소시아네이트의 제조방법
WO2013111353A1 (ja) 2012-01-25 2013-08-01 旭化成ケミカルズ株式会社 分離方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2822373A (en) * 1958-02-04 Amine
US2823221A (en) * 1952-11-11 1958-02-11 Bayer Ag Production of aromatic monoisocyanates in the gaseous phase
US3734941A (en) * 1968-09-06 1973-05-22 American Cyanamid Co Process for converting urethanes to isocyanates
US3896006A (en) * 1972-06-01 1975-07-22 Bp Chem Int Ltd Mesityl oxide removal from high-purity phenol
JPS5219624A (en) * 1975-08-07 1977-02-15 Mitsui Toatsu Chem Inc Process for preparation of isocyanates
DE2703281A1 (de) * 1977-01-27 1978-08-03 Basf Ag Verfahren zur herstellung von aliphatischen isocyanaten
US4289732A (en) * 1978-12-13 1981-09-15 The Upjohn Company Apparatus for intimately admixing two chemically reactive liquid components
US4294774A (en) * 1980-11-14 1981-10-13 The Dow Chemical Company Preparation of organic isocyanates
DE3047898A1 (de) * 1980-12-19 1982-07-15 Bayer Ag, 5090 Leverkusen Verfahren zur kontinuierlichen thermischen spaltung von carbamidsaeureestern und die verwendung von hierbei anfallenden isocyanate und carbamidsaeureester aufweisenden gemischen zur herstellung von isocyanaten
DE3215591A1 (de) * 1982-04-27 1983-10-27 Bayer Ag, 5090 Leverkusen Verfahren zur kontinuierlichen thermischen spaltung von carbamidsaeureestern
DE3314788A1 (de) * 1983-04-23 1984-10-25 Basf Ag, 6700 Ludwigshafen Mehrstufenverfahren zur herstellung von hexamethylendiisocyanat-1,6 und/oder isomeren aliphatischen diisocyanaten mit 6 kohlenstoffatomen im alkylenrest
DE3828033A1 (de) * 1988-08-18 1990-03-08 Huels Chemische Werke Ag Kreislaufverfahren zur herstellung von (cyclo)aliphatischen diisocyanaten

Also Published As

Publication number Publication date
EP0524554A3 (en) 1993-08-11
DK0524554T3 (da) 1997-12-15
DE4124671A1 (de) 1993-01-28
JP3238201B2 (ja) 2001-12-10
EP0524554A2 (de) 1993-01-27
ATE159714T1 (de) 1997-11-15
EP0524554B1 (de) 1997-10-29
KR100218656B1 (ko) 1999-09-01
DE59208991D1 (de) 1997-12-04
KR930001972A (ko) 1993-02-22
US5616784A (en) 1997-04-01
JPH05194352A (ja) 1993-08-03

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