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)
Other versions
FR2325637B3 (fr
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

    • 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

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 (fr) 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 (fr)
FR (1) FR2325637A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0065727A1 (fr) * 1981-05-27 1982-12-01 Bayer Ag Procédé pour la production en continu de mono-ou polyisocyanates organiques
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 (fr) * 2003-12-18 2005-07-20 Bayer MaterialScience AG Procédé pour la préparation de diisocyanates et/ou triisocyanates
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
CN104640840B (zh) 2012-09-24 2018-03-02 科思创德国股份有限公司 通过二胺悬浮体的光气化制备二异氰酸酯的方法

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0065727A1 (fr) * 1981-05-27 1982-12-01 Bayer Ag Procédé pour la production en continu de mono-ou polyisocyanates organiques
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 (fr) * 2003-12-18 2005-07-20 Bayer MaterialScience AG Procédé pour la préparation de diisocyanates et/ou triisocyanates
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
DD132340B1 (de) 1983-06-08
DD132340A1 (de) 1978-09-20
FR2325637B3 (fr) 1979-06-01

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Legal Events

Date Code Title Description
ST Notification of lapse