Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/13687
Title: Halloysite nanotube loaded polyamide nanocomposites: Structural, morphological, mechanical, thermal and processing behaviors
Authors: Akar, Alinda Öykü
Yıldız, Ümit Hakan
Tayfun, Ümit
Publisher: American Institute of Physics
Abstract: In this study, the polyamide 6 (PA) matrix was reinforced with the purified, fine ground and amino-silane treated halloysite nanotubes (HNT) at different concentrations. The preparation of composites was carried out using a lab-scale twin-screw micro-compounder with loading ratios at 0.5, 1, 3, and 20% by weight, and the test samples were prepared by the injection-molding process. According to mechanical test results, additions of HNT to the PA matrix caused slight improvements in tensile strength and Youngs' modulus parameters. The optimum concentrations for all of the additives used were estimated by comparison of mechanical test data. The addition of aminosilane-modified HNT resulted in a higher impact performance at high loading levels up to 3% concentrations. Further addition of HNT caused a reduction in the mechanical parameters of composites. Thermal studies revealed that the glass transition temperature of PA shifted to higher values after HNT mineral inclusions. Thermo-mechanical results showed that storage moduli of PA exhibited improvement with an increase in HNT content. The distributions of HNT clay into the PA phase were visualized with SEM images. Based on these observations, a high level of dispersion homogeneity was achieved for lower filling ratios. According to melt-flow and force measurements, composites filled with 20% of HNT displayed a remarkable increase in exerted force during melt-blending. © 2023 Author(s).
Description: 36th International Conference of the Polymer Processing Society, PPS 2021 -- 26 September 2021 through 29 September 2021
URI: https://doi.org/10.1063/5.0135873
https://hdl.handle.net/11147/13687
ISBN: 9780735445062
ISSN: 0094-243X
Appears in Collections:Chemistry / Kimya
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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