METHOD FOR PRODUCING PROCESSING-STABLE POLYAMIDE

The invention relates to a method for producing processing-stable polyamides, wherein the polyamide is treated with a gas that contains carrier gas (inert gas), water and acid or anhydride or lactone or mixtures thereof, or ammonia or amine or mixtures thereof, at a temperature of 130 to 200 °C and...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	GRUETZNER, ROLF-EGBERT, EL-TOUFAILI, FAISSAL-ALI, KEELAPANDAL RAMAMOORTHY, SHANKARA NARAYANAN, STAMMER, ACHIM, GERSTLAUER, ACHIM
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	The invention relates to a method for producing processing-stable polyamides, wherein the polyamide is treated with a gas that contains carrier gas (inert gas), water and acid or anhydride or lactone or mixtures thereof, or ammonia or amine or mixtures thereof, at a temperature of 130 to 200 °C and at a pressure of 0.01 to 10 bar during the solid phase post-condensation.