Development and Characterization of PLA/Bioactive Glass Composite Filament for Biomedical Applications

Development and Characterization of PLA/Bioactive Glass Composite Filament for Biomedical Applications
  IJETT-book-cover           
  
© 2024 by IJETT Journal
Volume-72 Issue-11
Year of Publication : 2024
Author : Aditya T N, Ravinder Reddy P, Ramesh Babu P
DOI : 10.14445/22315381/IJETT-V72I11P113

How to Cite?
Aditya T N, Ravinder Reddy P, Ramesh Babu P, "Development and Characterization of PLA/Bioactive Glass Composite Filament for Biomedical Applications," International Journal of Engineering Trends and Technology, vol. 72, no. 11, pp. 99-105, 2024. Crossref, https://doi.org/10.14445/22315381/IJETT-V72I11P113

Abstract
The use of composite materials has seen a significant improvement in the biomedical field, especially in bone regeneration. Polymer ceramic composites are ideal, as polymer provides mechanical stability while ceramic fillers enhance the bioactivity of the composite. In this work, the matrix material is PLA (polylactic acid), and the ceramic is BG45S5(bioactive glass). Bioactive glass powder is manufactured using the sol-gel technique. Ceramic filler is added in a weight proportion of 2.5%,5% and 10%, respectively, to the polymer matrix, and the resultant filament is obtained by using a desktop extruder. Filaments are extruded with a diameter of 1.75±0.02mm. The physiochemical, thermal characterization and mechanical testing of composite filaments are performed to evaluate their application for 3d printed scaffolds. The morphological study reveals the distribution of bioactive glass particles in a polymer matrix supported by XRD and FTIR results. The addition of 2.5 % bioactive glass content has led to an increase in thermal stability but has decreased with higher concentrations. The stiffness of the composite filaments has increased with the addition of bioactive glass powder, but there is a reduction in tensile strength. PLA-Bioactive glass composites have been fabricated successfully, and results indicate their potential use in 3D printed scaffolds.

Keywords
Bioactive glass, Polylactic acid, Biomedical applications, FTIR, Glass Composite.

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