The Preparation and Characterisation of a Bioplastic Film from Acrylated Epoxidized Soybean Oil (AESBO)
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Abstract
This study successfully demonstrates the synthesis of epoxidized soybean oil (ESBO) via reaction with formic acid and hydrogen peroxide, followed by acrylation with varying ratios of acrylic acid. The characterization techniques, including FT-IR and ¹H-NMR, confirmed the formation of key functional groups such as oxirane and hydroxyl, as well as the reduction of carbon–carbon double bonds, indicating successful epoxidation and acrylation. The appearance of new peaks in the 1H-NMR spectra further supports the formation of the epoxide and acrylate functionalities. FT-IR analysis revealed clear spectral changes correlating with these transformations. The kinetics study using 5 wt% photoinitiator demonstrated that the acrylated epoxidized soybean oil (AESBO) film could be rapidly stabilized within 60 seconds under UV curing. These findings highlight the potential of AESBO as a sustainable precursor for bioplastic films, offering promising chemical stability. Further optimization may enhance its suitability for various biodegradable polymer applications.
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