BE863344A - Procede pour preparer des polyamines organiques par hydrolyse de polyisocyanates non distillables - Google Patents

Procede pour preparer des polyamines organiques par hydrolyse de polyisocyanates non distillables

Info

Publication number
BE863344A
BE863344A BE184651A BE184651A BE863344A BE 863344 A BE863344 A BE 863344A BE 184651 A BE184651 A BE 184651A BE 184651 A BE184651 A BE 184651A BE 863344 A BE863344 A BE 863344A
Authority
BE
Belgium
Prior art keywords
hydrolysis
preparing organic
organic polyamines
distillable
polyisocyanates
Prior art date
Application number
BE184651A
Other languages
English (en)
Original Assignee
Bayer 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 Bayer Ag filed Critical Bayer Ag
Publication of BE863344A publication Critical patent/BE863344A/fr

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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/62Preparation of compounds containing amino groups bound to a carbon skeleton by cleaving carbon-to-nitrogen, sulfur-to-nitrogen, or phosphorus-to-nitrogen bonds, e.g. hydrolysis of amides, N-dealkylation of amines or quaternary ammonium compounds
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D235/00Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings
    • C07D235/02Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
    • C07D235/04Benzimidazoles; Hydrogenated benzimidazoles
    • C07D235/24Benzimidazoles; Hydrogenated benzimidazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2
    • C07D235/26Oxygen atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00Systems containing only non-condensed rings
    • C07C2601/12Systems containing only non-condensed rings with a six-membered ring
    • C07C2601/14The ring being saturated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyurethanes Or Polyureas (AREA)
BE184651A 1977-01-27 1978-01-26 Procede pour preparer des polyamines organiques par hydrolyse de polyisocyanates non distillables BE863344A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772703313 DE2703313A1 (de) 1977-01-27 1977-01-27 Verfahren zur herstellung von organischen polyaminen

Publications (1)

Publication Number Publication Date
BE863344A true BE863344A (fr) 1978-07-26

Family

ID=5999686

Family Applications (1)

Application Number Title Priority Date Filing Date
BE184651A BE863344A (fr) 1977-01-27 1978-01-26 Procede pour preparer des polyamines organiques par hydrolyse de polyisocyanates non distillables

Country Status (4)

Country Link
BE (1) BE863344A (fr)
DE (1) DE2703313A1 (fr)
ES (1) ES466357A1 (fr)
FR (1) FR2378748A1 (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3223397A1 (de) * 1982-06-23 1983-12-29 Bayer Ag, 5090 Leverkusen Einstufenverfahren zur herstellung von polyaminen aus nco-prepolymeren, polyamine und deren verwendung zur herstellung von polyurethanen
US4654443A (en) * 1985-03-11 1987-03-31 The Dow Chemical Company Hydrolysis of isocyanate distillation bottoms
DK0392299T3 (da) * 1989-04-14 1993-06-21 Bayer Ag Fremgangsmåde til fremstilling af organiske aminer, polyaminblandinger og deres anvendelse som hærdnere for kunststofforstadier
DE19749568A1 (de) * 1996-11-26 1998-05-28 Basf Ag Verfahren zur Spaltung von Isocyanuraten
DE19827086A1 (de) 1998-06-18 1999-12-23 Basf Ag Verfahren zur Aufarbeitung von Destillationsrückständen aus der Synthese von Toluylendiisocyanat
DE10035828A1 (de) * 2000-07-22 2002-02-21 Basf Ag Verfahren zum aminolytischen Abbau von vernetzten Polymeren
DE102005027814A1 (de) * 2005-06-15 2006-12-21 Basf Ag Verfahren zur Aufarbeitung von Isocyanataddukten
DE102006060181A1 (de) 2006-12-18 2008-06-19 Bayer Materialscience Ag Verfahren zur Herstellung von Toluylendiisocyanat
US8440856B2 (en) 2008-04-14 2013-05-14 Basf Se Method for treating residues from the production of isocyanates
WO2012152832A1 (fr) 2011-05-09 2012-11-15 Basf Se Procédé de retraitement d'un flux de matière contenant de l'isocyanate
KR102048110B1 (ko) 2012-07-11 2019-11-22 코베스트로 도이칠란드 아게 이소시아네이트 제조에서 증류 잔류물의 후처리 방법
WO2015024859A1 (fr) 2013-08-19 2015-02-26 Bayer Materialscience Ag Procédé d'extraction d'isocyanates organiques présents dans des résidus de distillation résultant de la production d'isocyanates
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
BR112020012743B1 (pt) * 2017-12-27 2023-05-09 Asahi Kasei Kabushiki Kaisha Método de coleta de um composto
EP3960728A1 (fr) 2020-08-24 2022-03-02 Covestro Deutschland AG Procédé de fabrication d'isocyanate à valorisation thermiquement oxydative
CN113480435A (zh) * 2021-08-06 2021-10-08 福州大学 一种胺解焦油渣并回收有机资源的方法

Also Published As

Publication number Publication date
ES466357A1 (es) 1978-10-01
FR2378748A1 (fr) 1978-08-25
DE2703313A1 (de) 1978-08-03

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