Composition optimization of PLA/PPC/HNT nanocomposites for mandibular fixation plate using single-factor experimental design

The need to overcome the secondary surgery to remove implanted metal fixation plate leads to the idea of replacing the material with degradable bionanocomposite. In this research, polylactic acid/polypropylene (PLA/PPC) blends incorporated with halloysite nanotubes (HNT) (0-6 wt %) were considered a...

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Published in:Journal of the mechanical behavior of biomedical materials 2022-11, Vol.135, p.105423, Article 105423
Main Authors: Haneef, Intan Najwa Humaira Mohamed, Buys, Yose Fachmi, Shaffiar, Norhashimah Mohd, Abdul Hamid, Abdul Malek, Shaharuddin, Sharifah Imihezri Syed, Fitriani
Format: Article
Language:English
Subjects:
Cellulose
Clay
Nanocomposites
Polyesters
Polypropylenes
Research Design
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Summary:The need to overcome the secondary surgery to remove implanted metal fixation plate leads to the idea of replacing the material with degradable bionanocomposite. In this research, polylactic acid/polypropylene (PLA/PPC) blends incorporated with halloysite nanotubes (HNT) (0-6 wt %) were considered as the candidate material for mandibular fixation plate. A single-factor design using Design Expert software was used to determine 20 different compositions of PLA/PPC/HNT nanocomposites and their mechanical properties were then measured. The optimization of the PLA/PPC/HNT nanocomposite composition was performed based on the nanocomposite's response to Young's modulus, tensile strength, and elongation at break. Further analysis suggested an optimum composition of 92.5/7.5 PLA/PPC with 6 wt % of HNT. The statistical results predicted that there was a 71.7% possibility that the proposed nanocomposite would have the following mechanical properties: Young's modulus of 2.18 GPa, a tensile strength of 64.16 MPa, and an elongation at break of 106.53%.
ISSN:1751-6161
1878-0180
DOI:10.1016/j.jmbbm.2022.105423