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Polyamide 6 Composites with Melamine Polyphosphate and Layered Silicates: Evaluation of Flame Retardancy and Physical Properties

✍ Scribed by Pantelis Kiliaris; Constantine D. Papaspyrides; Rudolf Pfaendner

Publisher
John Wiley and Sons
Year
2011
Tongue
English
Weight
567 KB
Volume
296
Category
Article
ISSN
1438-7492

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✦ Synopsis

Abstract

The potential synergy of melamine polyphosphate and layered silicates for enhancing the flame retardancy and physical properties of polyamide 6 is investigated. Through melt blending, exfoliated nanocomposites were prepared, suffering, however, from polymer degradation. In the presence of the additives, the ability of polyamide 6 to crystallize was restrained and its thermal stability was deteriorated. Nevertheless, the stiffness of the polymer was increased, yet at the expense of ductility. Apart form stiffness, the additives exerted a positive effect on the fire resistance of polyamide 6; melamine polyphosphate and layered silicates cooperated during combustion to provoke the formation of a superficial protective barrier, yielding materials of inferior flammability. magnified image

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