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1. WO2000039192 - METHOD OF PRODUCING BRANCHED POLYAMIDES

Publication Number WO/2000/039192
Publication Date 06.07.2000
International Application No. PCT/EP1999/009770
International Filing Date 10.12.1999
Chapter 2 Demand Filed 26.06.2000
IPC
C08G 69/36 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
69Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
02Polyamides derived from amino carboxylic acids or from polyamines and polycarboxylic acids
36derived from amino acids, polyamines, and polycarboxylic acids
CPC
C08G 69/36
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
69Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
02Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
36derived from amino acids, polyamines and polycarboxylic acids
Applicants
  • BAYER AKTIENGESELLSCHAFT [DE/DE]; D-51368 Leverkusen, DE (AllExceptUS)
  • JOACHIMI, Detlev [DE/DE]; DE (UsOnly)
  • DIETRICH, Hans-Jürgen [DE/DE]; DE (UsOnly)
  • MORHENN, Heinrich [DE/DE]; DE (UsOnly)
  • SCHERER, Cliff [DE/DE]; DE (UsOnly)
  • GITTINGER, Andreas [DE/DE]; DE (UsOnly)
  • BRUDER, Friedrich-Karl [DE/DE]; DE (UsOnly)
Inventors
  • JOACHIMI, Detlev; DE
  • DIETRICH, Hans-Jürgen; DE
  • MORHENN, Heinrich; DE
  • SCHERER, Cliff; DE
  • GITTINGER, Andreas; DE
  • BRUDER, Friedrich-Karl; DE
Common Representative
  • BAYER AKTIENGESELLSCHAFT; D-51368 Leverkusen, DE
Priority Data
198 59 929.323.12.1998DE
Publication Language German (DE)
Filing Language German (DE)
Designated States
Title
(DE) VERFAHREN ZUR HERSTELLUNG VON VERZWEIGTEN POLYAMIDEN
(EN) METHOD OF PRODUCING BRANCHED POLYAMIDES
(FR) PROCEDE DE PREPARATION DE POLYAMIDES RAMIFIES
Abstract
(DE)
Gegenstand der Anmeldung ist daher ein Verfahren zur Herstellung von Polyamiden, gekennzeichnet dadurch, daß in einem ersten Reaktionsschritt geeignete Monomere wie Caprolactam oder eine aliphatische Aminocarbonsäure mit mehrfunktionellen Aminen, die mindestens eine sekundäre Aminogruppe enthalten und/oder mit Salzen, enthaltend derartige Amine und Dicarbonsäuren, zur Reaktion gebracht werden, die in mindestens einem weiteren Reaktionsschritt durch Festphasennachkondensation weiterverarbeitet werden.
(EN)
The invention relates to a method of producing branched polyamides. The inventive method is characterized in that in a first reaction step suitable monomers such as caprolactam or an aliphatic aminocarboxylic acid are reacted with polyfunctional amines which contain at least one secondary amine group and/or with salts which contain such amines and dicarboxylic acids. The resulting reaction product is treated by a secondary solid phase condensation in a further reaction step.
(FR)
L'invention concerne un procédé permettant de préparer des polyamides, qui se caractérise en ce que dans une première étape de réaction, des monomères appropriées, tels que du caprolactame ou un acide aminocarboxylique aliphatique sont mis à réagir avec des amines multifonctionnelles contenant au moins un groupe amino secondaire et/ou avec des sels contenant ce type d'amine et des acides dicarboxyliques. Le traitement du produit de réaction obtenu se poursuit au cours d'au moins une autre étape de réaction par post-condensation en phase solide.
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