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POLYMER NANOCOMPOSITES POLYAMIDE / OXIDIZED GRAPHITE NANOPARTICLES

Dr. Laurentia Alexandrescu, Dr. Maria Sonmez, Assoc. Prof. Dr. Anton Ficai, Dr. Roxana Trusca, PhS. Ligian Tudoroiu

First published: 2017-06-20https://doi.org/10.5593/sgem2017/61/s24.037View metrics

Abstract

Nanocomposites have been considered as a stimulating route for creating a new type of high performance material that combines the advantages of polymer and the nanoparticles. Polyamide is well known as an engineering thermoplastic material that is widely used in industrial applications for its good mechanical and thermal properties. The paper presents the study of the new nanostructured polymer composites from polyamide/oxidized graphite nanoparticles-PA/GO to manufacture, by injection, bearing seals, contact plates, and other components for the railway industry, with shock resistance higher than 5-8 kJ/mпїЅ, wear resistance below 100 mm3, resistance to temperatures of -40 - 2400C, resistance to impact and to outdoor applications, with temperatures ranging from -40 to +600C, in rain, snow or sunshine. The influence of functionalized graphite nanoparticles (GO) on the rheological properties of the polyamide was studied. The graphite functionalisation consisted in oxidizing the nanoparticles with nitric acid. The nanocomposites polyamide/oxidized graphite were characterized by scanning electron microscopy (SEM) and Fourier transformation infrared spectrum (FT-IR) and physico-mechanical.

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Publication details

Title
POLYMER NANOCOMPOSITES POLYAMIDE / OXIDIZED GRAPHITE NANOPARTICLES
Authors
Dr. Laurentia Alexandrescu, Dr. Maria Sonmez, Assoc. Prof. Dr. Anton Ficai, Dr. Roxana Trusca, PhS. Ligian Tudoroiu
Proceedings
SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Nano, Bio and Green - Technologies for a Sustainable Future
Publisher
STEF92 Technology
Year
2017
Pages
279-286
SWS Citekey
Alexandrescu201724279286
ISSN
1314-2704
ISBN
978-619-7408-12-6
Language
en
Publication type
Conference Paper
Keywords
nanocompositespolyamideoxidized graphiteresistance to impact
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