FR2325637A1 - Procede pour la transformation d'amines en mono-, di- et polyisocyanates par phosgenation - Google Patents

Procede pour la transformation d'amines en mono-, di- et polyisocyanates par phosgenation

Info

Publication number
FR2325637A1
FR2325637A1 FR7628343A FR7628343A FR2325637A1 FR 2325637 A1 FR2325637 A1 FR 2325637A1 FR 7628343 A FR7628343 A FR 7628343A FR 7628343 A FR7628343 A FR 7628343A FR 2325637 A1 FR2325637 A1 FR 2325637A1
Authority
FR
France
Prior art keywords
amines
genation
prepn
phos
isocyanate
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.)
Granted
Application number
FR7628343A
Other languages
English (en)
French (fr)
Other versions
FR2325637B3 (enrdf_load_stackoverflow
Inventor
Hans Iben
Siegfried Kattanek
Lothar Backhauss
Gerd Welschinger
Benno Gansera
Siegbert Loschau
Albert Meyer
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 Schweiz AG
Original Assignee
Synthesewerk Schwarzheide 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 Synthesewerk Schwarzheide AG filed Critical Synthesewerk Schwarzheide AG
Publication of FR2325637A1 publication Critical patent/FR2325637A1/fr
Application granted granted Critical
Publication of FR2325637B3 publication Critical patent/FR2325637B3/fr
Granted legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00Preparation of derivatives of isocyanic acid
    • C07C263/10Preparation of derivatives of isocyanic acid by reaction of amines with carbonyl halides, e.g. with phosgene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR7628343A 1975-09-23 1976-09-21 Procede pour la transformation d'amines en mono-, di- et polyisocyanates par phosgenation Granted FR2325637A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD18867275A DD132340B1 (de) 1975-09-23 1975-09-23 Verfahren zur phosgenierung von aminen zu mono-,di-und polyisocyanaten

Publications (2)

Publication Number Publication Date
FR2325637A1 true FR2325637A1 (fr) 1977-04-22
FR2325637B3 FR2325637B3 (enrdf_load_stackoverflow) 1979-06-01

Family

ID=5501880

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7628343A Granted FR2325637A1 (fr) 1975-09-23 1976-09-21 Procede pour la transformation d'amines en mono-, di- et polyisocyanates par phosgenation

Country Status (2)

Country Link
DD (1) DD132340B1 (enrdf_load_stackoverflow)
FR (1) FR2325637A1 (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0065727A1 (de) * 1981-05-27 1982-12-01 Bayer Ag Verfahren zur kontinuierlichen Herstellung von organischen Mono- oder Polyisocyanaten
US6576788B1 (en) 1998-04-21 2003-06-10 Basf Aktiengesellschaft Method for producing mixtures consisting of diphenylmethane diisocyanates and polyphenylene-polymethylene-polyisocyanates containing a reduced amount of chlorinated secondary products and with a reduced iodine color index
EP1555258A1 (de) * 2003-12-18 2005-07-20 Bayer MaterialScience AG Verfahren zur Herstellung von Diisocyanaten und/oder Triisocyanaten
US20100130772A1 (en) * 2005-04-08 2010-05-27 Huntsman International Llc Spiral mixer nozzle and method for mixing two or more fluids and process for manufacturing isocyanates
US10112892B2 (en) 2015-06-29 2018-10-30 Covestro Deutschland Ag Process for preparing polyisocyanates
US10815193B2 (en) 2015-06-29 2020-10-27 Covestro Deutschland Ag Process for providing hydrogen chloride for chemical reactions

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4217019A1 (de) * 1992-05-22 1993-11-25 Bayer Ag Verfahren zur Herstellung von aromatischen Diisocyanaten
DE10260082A1 (de) 2002-12-19 2004-07-01 Basf Ag Verfahren zur kontinuierlichen Herstellung von Isocyanaten
US9272988B2 (en) 2012-09-24 2016-03-01 Covestro Deutschland Ag Method for producing diisocyanates by phosgenating diamine suspensions

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0065727A1 (de) * 1981-05-27 1982-12-01 Bayer Ag Verfahren zur kontinuierlichen Herstellung von organischen Mono- oder Polyisocyanaten
US6576788B1 (en) 1998-04-21 2003-06-10 Basf Aktiengesellschaft Method for producing mixtures consisting of diphenylmethane diisocyanates and polyphenylene-polymethylene-polyisocyanates containing a reduced amount of chlorinated secondary products and with a reduced iodine color index
EP1555258A1 (de) * 2003-12-18 2005-07-20 Bayer MaterialScience AG Verfahren zur Herstellung von Diisocyanaten und/oder Triisocyanaten
US20100130772A1 (en) * 2005-04-08 2010-05-27 Huntsman International Llc Spiral mixer nozzle and method for mixing two or more fluids and process for manufacturing isocyanates
KR101186693B1 (ko) 2005-04-08 2012-09-27 헌트스만 인터내셔날, 엘엘씨 스파이럴 믹서 노즐, 2개 이상의 유체를 혼합하는 방법 및이소시아네이트 제조 방법
US8844574B2 (en) * 2005-04-08 2014-09-30 Huntsman International Llc Spiral mixer nozzle and method for mixing two or more fluids and process for manufacturing isocyanates
US9498757B2 (en) 2005-04-08 2016-11-22 Huntsman International Llc Spiral mixer nozzle and method for mixing two or more fluids and process for manufacturing isocyanates
US10112892B2 (en) 2015-06-29 2018-10-30 Covestro Deutschland Ag Process for preparing polyisocyanates
US10815193B2 (en) 2015-06-29 2020-10-27 Covestro Deutschland Ag Process for providing hydrogen chloride for chemical reactions

Also Published As

Publication number Publication date
DD132340A1 (de) 1978-09-20
FR2325637B3 (enrdf_load_stackoverflow) 1979-06-01
DD132340B1 (de) 1983-06-08

Similar Documents

Publication Publication Date Title
UA7217A1 (uk) Спосіб безперервного одержання діізоціанатів
ES477112A1 (es) Procedimiento para la obtencion de poliisocianatos conte- niendo grupos urea y-o biuret.
FR2325637A1 (fr) Procede pour la transformation d'amines en mono-, di- et polyisocyanates par phosgenation
ES467840A1 (es) Procedimiento para la degradacion de materiales sinteticos de poliuretanos.
GB1321958A (en) Curing agent for epoxy resins
GB1173890A (en) Process for the Production of Organic Isocyanates
GB1354523A (en) Polyurethane elastomers and a process for their preparation
GB1361533A (en) Nozzle for chemical reaction process
EP0395046A3 (en) Process for oxidizing saturated primary amines to oximes
JPS5210213A (en) Process for preparation of unsaturated carbonyl compounds
JPS55129231A (en) Method of obtaining conjugated diolefin from c44 or c55hydrocarbon mixture
GB1491973A (en) Manufacture of aliphatic isocyanates
GB1264194A (enrdf_load_stackoverflow)
DE3060195D1 (en) Process for obtaining a conjugated diolefin from a mixture containing c 4- or c 5-hydrocarbons
GB1491974A (en) Manufacture of aliphatic isocyanates
ES445386A1 (es) Procedimiento para producir fibras hidrofilas de poliolefi- nas con contenido de pigmento basico.
GB966270A (en) Process for the production of polyols
JPS5379991A (en) Production of pulyurethane
JPS567733A (en) Method and apparatus for preparation of phenol
GB1285835A (en) Process for the preparation of 1,3-cyclohexylene diisocyanates
GB1342319A (en) Method for sulphonatizing and/or sulphatizing organic compounds with sulphur trioxide and apparatus therefor
JPS5210248A (en) Process for preparation of alpha-tetralone
JPS5214725A (en) Method of sulfonation and its apparatus
JPS51131865A (en) Process for preparation of novel polycyclic diisocyanates
GB2080286B (en) Production of polyisocyanates

Legal Events

Date Code Title Description
ST Notification of lapse