Process for the preparation of (poly)-methylenedi(phenylamine)

Preparation of di- and polyamine of diphenylmethane comprises: (A) mixing a first portion of aniline with an acid catalyst; (B) mixing a second portion of aniline with formaldehyde; and (C) mixing and subsequently reacting the obtained mixtures.

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Bibliographic Details
Main Authors WERSHOFEN, STEFAN DR, ADAMSON, RICHARD, HAGEN, TORSTEN DR, GRABOWSKI, STEFAN DR, KOCH, DANIEL DR
Format Patent
LanguageEnglish
French
German
Published 04.10.2006
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC CHEMISTRY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:Preparation of di- and polyamine of diphenylmethane comprises: (A) mixing a first portion of aniline with an acid catalyst; (B) mixing a second portion of aniline with formaldehyde; and (C) mixing and subsequently reacting the obtained mixtures.
Bibliography:Application Number: EP20060005727