Comparative effects of organic and inorganic bio-fillers on the hydrophobicity of polylactic acid
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Date
2020
Authors
Aworinde, A.K.
Adeosun, S.O.
Oyawale, F.A.
Akinlabi, E.T.
Akinlabi, S.A.
Journal Title
Journal ISSN
Volume Title
Publisher
Results in Engineering
Abstract
The use of Polylactic acid (PLA) has been limited in the biomedical field because of its slow degradation profile
which is traceable to its degree of hydrophobicity. In this work, 16.67 wt. % of chitosan (Ch), chitin (Ct) and
titanium (Ti-6Al-2Sn-2Mo-2Cr-0.25Si) (Ti) powders weremelt blended with PLA and the resulting composites
examined using Fourier Transform Infrared Spectroscopy (FTIR). Chitosan was found to reduce the hydrophobic
peak due to δs(CH3) in PLA by 13.92%, chitin by 10.65% and titanium by 8.04%. Summarily, the organic biofillers produced more hydrophilic PLA composites than the inorganic filler. The percentage reduction in hydrophobicity renders the developed composites more suitable for orthopaedic applications.
Description
Keywords
Melt-blending Organic Bio-filler Methyl Group Hydrophobicity of PLA
Citation
Aworinde, A.K. Adeosun, S.O. Oyawale, F.A. Akinlabi, E.T. Akinlabi, S.A. 2020. Comparative effects of organic and inorganic bio-fillers on the hydrophobicity of polylactic acid. Results in Engineering; 5: 1-3