Straightforward Synthesis of Cost-Effective, Flexible, and Hydrophobic Polyaniline-Chitosan (PAni-Cs) Films Produced with Lactic Acid as Solvent

Abstract:

In this study, facile preparation using a new solvent – lactic acid and physical properties of PAni-Cs films are observed. The main goal of the study is to easily synthesize PAni-Cs films using lactic acid as solvent through the solvent casting method and investigate if producing PAni-Cs with lactic acid will enhance its properties. The presence of PAni-Cs was confirmed by observing its structure using Fourier transform infrared (FTIR) spectroscopy. The wettability of the films showed that films produced with lactic acid are less hydrophobic than those produced with acetic acid. Consequently, the computed surface energies revealed PAni-Cs films produced using lactic acid were higher. Water uptake of the films showed deviations when PAni and the solvents (lactic acid and acetic acid) were introduced. Furthermore, films produced with lactic acid were observed to be more flexible. These characterizations revealed that PAni-Cs produced with lactic acid are comparable to the properties of those produced with acetic acid showing that lactic acid helps in the improvement of PAni-Cs surface properties.

• Periodical: Materials Science Forum (Volume 1041)
• Pages: 29-35
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.1041.29
• Online since: August 2021
• Authors: Bianca Rae Pasela*, Rayda P. Gammag, Acelle Pearl T. Castillo, Doebner von C. Tumacder, Kathrina Lois Taaca
• Keywords: Biomaterials, Chitosan, Composites, Lactic Acid, Polyaniline, Solvent Casting Method

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