ES2003696A6 - Un procedimiento para prepara isocianato de metilo - Google Patents

Un procedimiento para prepara isocianato de metilo

Info

Publication number
ES2003696A6
ES2003696A6 ES8700782A ES8700782A ES2003696A6 ES 2003696 A6 ES2003696 A6 ES 2003696A6 ES 8700782 A ES8700782 A ES 8700782A ES 8700782 A ES8700782 A ES 8700782A ES 2003696 A6 ES2003696 A6 ES 2003696A6
Authority
ES
Spain
Prior art keywords
methyl isocyanate
preparing methyl
methylcarbamate
phenyl
phenol
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
Application number
ES8700782A
Other languages
English (en)
Inventor
John Kai-Fai Chan
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.)
Union Carbide Corp
Original Assignee
Union Carbide 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 Union Carbide Corp filed Critical Union Carbide Corp
Publication of ES2003696A6 publication Critical patent/ES2003696A6/es
Expired 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
    • C07C263/04—Preparation of derivatives of isocyanic acid from or via carbamates or carbamoyl halides
    • 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
    • C07C265/00—Derivatives of isocyanic acid
    • C07C265/02—Derivatives of isocyanic acid having isocyanate groups bound to acyclic carbon atoms
    • C07C265/04—Derivatives of isocyanic acid having isocyanate groups bound to acyclic carbon atoms of a saturated carbon skeleton

Landscapes

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

Abstract

UN PROCEDIMIENTO PARA PREPARAR ISOCIANATO DE METILO, QUE COMPRENDE CALENTAR N©METILCARBAMATO DE FENILO EN UNA ZONA DE DESCOMPOSICION PARA PRODUCIR UNA CORRIENTE DE VAPOR QUE CONTIENE FENOL E ISOCIANATO DE METILO, Y A CONTINUACION SEPARAR RAPIDAMENTE EL ISOCIANATO DE METILO DEL FENOL PARA INHIBIR AL FORMACION DEL COMPUESTO DE PARTIDA N©METIL©CARBAMATO DE FENILO. EL PRODUCTO OBTENIDO ES UTIL PARA LA FABRICACION DE PESTICIDAS.
ES8700782A 1986-03-21 1987-03-20 Un procedimiento para prepara isocianato de metilo Expired ES2003696A6 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US84222686A 1986-03-21 1986-03-21

Publications (1)

Publication Number Publication Date
ES2003696A6 true ES2003696A6 (es) 1988-11-01

Family

ID=25286816

Family Applications (1)

Application Number Title Priority Date Filing Date
ES8700782A Expired ES2003696A6 (es) 1986-03-21 1987-03-20 Un procedimiento para prepara isocianato de metilo

Country Status (13)

Country Link
EP (1) EP0275263A1 (es)
JP (1) JPS63503063A (es)
KR (1) KR880701225A (es)
CN (1) CN87102215A (es)
AU (1) AU7234587A (es)
BR (1) BR8707253A (es)
ES (1) ES2003696A6 (es)
FI (1) FI875152A (es)
GR (1) GR870442B (es)
HU (1) HUT47532A (es)
IL (1) IL81939A0 (es)
WO (1) WO1987005600A1 (es)
ZA (1) ZA872075B (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG115512A1 (en) * 2001-12-28 2005-10-28 Mitsui Takeda Chemicals Inc Method for producing carbamates and method for producing isocyanates
US8084553B2 (en) 2008-01-10 2011-12-27 Trillion Science, Inc. Curable adhesive compositions, process, and applications
US8067484B2 (en) 2010-03-12 2011-11-29 Trillion Science, Inc. Latent hardener with improved barrier properties and compatibility
CN102260193B (zh) * 2010-05-26 2013-11-06 中国科学院过程工程研究所 一种利用分子蒸馏技术以氨基甲酸酯热分解制备异氰酸酯的方法及其反应装置
SG2013017017A (en) * 2012-01-25 2014-09-26 Asahi Kasei Chemicals Corp A method of separation

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4123450A (en) * 1977-09-22 1978-10-31 Fmc Corporation Process for preparing alkyl isocyanates
DE2756928A1 (de) * 1977-12-21 1979-07-05 Bayer Ag Verfahren zur kontinuierlichen herstellung von monoisocyanaten
IT1164223B (it) * 1983-05-13 1987-04-08 Anic Spa Procedimento perfezionato per la produzione di isocianati alchilici

Also Published As

Publication number Publication date
WO1987005600A1 (en) 1987-09-24
EP0275263A1 (en) 1988-07-27
CN87102215A (zh) 1987-09-30
HUT47532A (en) 1989-03-28
GR870442B (en) 1987-07-20
FI875152A0 (fi) 1987-11-20
BR8707253A (pt) 1988-04-19
JPS63503063A (ja) 1988-11-10
IL81939A0 (en) 1987-10-20
FI875152A (fi) 1987-11-20
KR880701225A (ko) 1988-07-26
AU7234587A (en) 1987-10-09
ZA872075B (en) 1987-09-14

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Legal Events

Date Code Title Description
SA6 Expiration date (snapshot 920101)

Free format text: 2007-03-20

FD1A Patent lapsed

Effective date: 19990201