Mechanical and thermomechanical properties of polyamide 6/Brazilian organoclay nanocomposites

Abstract Polymer/clay nanocomposites are a new class of composites with polymer matrices where the disperse phase is a silicate with elementary particles that have at least one of dimensions in nanometer order. Polyamide 6/Brazilian organoclay nanocomposites were prepared by melt intercalation, and...

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Published in:Polímeros, ciência e tecnologia ciência e tecnologia, 2016-01, Vol.26 (1), p.52-60
Main Authors: Paz, Renê Anisio da, Leite, Amanda Melissa Damião, Araújo, Edcleide Maria, Medeiros, Vanessa da Nóbrega, Melo, Tomás Jeferson Alves de, Pessan, Luiz Antônio
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Language:English
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HDT
nanocomposites
organoclays
polyamide 6
POLYMER SCIENCE
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description Abstract Polymer/clay nanocomposites are a new class of composites with polymer matrices where the disperse phase is a silicate with elementary particles that have at least one of dimensions in nanometer order. Polyamide 6/Brazilian organoclay nanocomposites were prepared by melt intercalation, and the mechanical, thermal and thermomechanical properties were studied. The structure and morphology of the nanocomposites were evaluated by X-ray diffraction (XRD) and transmission electron microscopy (TEM). It was verified by XRD and TEM analysis that all systems presented exfoliated structure predominantly. By thermogravimetry (TG), nanocomposites showed higher stabilities in relation to pure polymer. It was observed that the nanocomposites showed better mechanical properties compared to the properties of polyamide 6. The heat deflection temperature (HDT) values of the nanocomposites showed a significant increase in relation to pure polymer.
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1678-5169
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subjects HDT
nanocomposites
organoclays
polyamide 6
POLYMER SCIENCE
title Mechanical and thermomechanical properties of polyamide 6/Brazilian organoclay nanocomposites
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