MORPHOLOGICAL INSIGHTS INTO BIODEGRADABLE POLYMERIC FILMS: A COMPARATIVE STUDY OF PLA, CELLULOSE, AND STARCH USING SEM AND X-RAY DIFFRACTION Authors: Ahuja S , KHANT HB AND RAULJI HJ
ABSTRACT
Using a variety of analytical techniques, this research report presents a thorough characterization
investigation on biodegradable polymeric films based on polylactic acid (PLA), cellulose, and starch. The
films' crystalline structure and molecular arrangement were investigated using X-ray diffraction (XRD),
which provided information on their mechanical and thermal characteristics. The surface morphology could
be seen in great detail thanks to scanning electron microscopy (SEM), which also helped to better
understand the microstructure of the films. FTIR, or Fourier Transform Infrared Spectroscopy, was used to
look at the chemical makeup and bonding relationships in the films. The investigation explores the
molecular vibrational modes, clarifying the existence of functional groups and their influence on the general
characteristics of the films. Furthermore, UV-Vis analysis was carried out to assess the optical qualities,
including transparency and absorption qualities, providing insight into the films' possible uses in packaging
and other optical devices. The combined use of these cutting-edge characterization methods offers a
comprehensive understanding of the structural, morphological, chemical, and optical characteristics of
PLA, cellulose, and starch-based polymeric films. A thorough grasp of these biodegradable materials'
qualities is essential for customizing them for a range of uses, especially when it comes to ecologically
friendly substitutes for typical plastics and sustainable packaging.
Keywords: cellulose, PLA, packaging Publication date: 01/02/2025 https://ijbpas.com/pdf/2025/February/MS_IJBPAS_2025_8682.pdfDownload PDFhttps://doi.org/10.31032/IJBPAS/2025/14.2.8682