Polyamide composition and method for producing the same

The invention relates to a process for producing a polyamide or copolyamide freed from volatile constituents by removing the volatile constituents, in particular the monomers and dimers, in at least two stages from the polymer melt using an, in particular, gaseous entrainer. The invention also relat...

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Bibliographische Detailangaben
Hauptverfasser: Morhenn, Heinrich, Göbbels, Dieter, Scherer, Cliff, Weyrich, Frank, Triebeneck, Konrad, Kohlgrüber, Klemens
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The invention relates to a process for producing a polyamide or copolyamide freed from volatile constituents by removing the volatile constituents, in particular the monomers and dimers, in at least two stages from the polymer melt using an, in particular, gaseous entrainer. The invention also relates to polyamide compositions made of polyamide 6 or a copolyamide with a reduced content of volatile constituents, as well as moulding compositions made of the above-mentioned polyamides, and moulded articles and fibres which are produced from these moulding compositions. A process for producing a polyamide or copolyamide freed from volatile constituents by removing the volatile constituents, in particular the monomers and dimers, in at least two stages from the polymer melt by using an, in particular, gaseous entrainer is described. The invention also relates to polyamide compositions made of polyamide 6 or a copolyamide with a reduced volatile constituent content, as well as moulding compositions made of the above-mentioned polyamides, and moulded articles and fibers which are produced from these moulding compositions.