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<p>Nowadays, the development of eco-friendly bioplastics has become an important and attractive area of research. In this study, films based on cassava peel starch reinforced with banana pseudostem cellulose (BP) at different weight fractions (0, 5, 10, 15, and 20 wt%) were prepared. Cellulose was extracted from dried BP using alkali treatment and bleaching. The gelatinized mixture of cassava peel starch, BP, and glycerol (plasticizer) was cast and oven-dried to obtain films of uniform thickness. The mechanical and physicochemical properties of the films were evaluated. In addition, the morphology and structural characteristics of the films were analyzed, along with their degradation behaviour using the soil burial method. The results showed that increasing BP content improved the mechanical and physicochemical properties of the films. The film containing 10% BP exhibited the best mechanical performance, with a tensile strength of 15.32&#xa0;MPa, Young’s modulus of 153.2&#xa0;MPa, and elongation at break of 10.36%, along with the lowest moisture absorption of 15.98%. As the BP content increased, the surface morphology of the films became less rough, and the identified functional groups indicated strong interactions among the film constituents. The banana pseudostem data were statistically analyzed using a one-way ANOVA test. It was found that the effect of banana pseudostem content on all attributes was strong (<i>p</i> &lt; 0.001). Significant differences among the film formulations were also confirmed using the Tukey test. Overall, this study demonstrates that the incorporation of cellulose powder into starch-based bioplastics leads to improved bioplastic films that have the potential to replace petroleum-based plastics.</p>

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Eco-friendly biocomposite films from banana pseudostem and cassava starch: physical and mechanical properties

  • 期刊论文

  • 发表日期：

    2026年6月1日

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  • Velmurugan G,
  • Jasgurpreet Singh Chohan,
  • Ganapathi D,
  • Gumma Penchala Prasad,
  • Sekar S,
  • Siva Shankar V,
  • Arunprasath K,
  • Lakshmi Narayana S,
  • Gowthami D

摘要

Nowadays, the development of eco-friendly bioplastics has become an important and attractive area of research. In this study, films based on cassava peel starch reinforced with banana pseudostem cellulose (BP) at different weight fractions (0, 5, 10, 15, and 20 wt%) were prepared. Cellulose was extracted from dried BP using alkali treatment and bleaching. The gelatinized mixture of cassava peel starch, BP, and glycerol (plasticizer) was cast and oven-dried to obtain films of uniform thickness. The mechanical and physicochemical properties of the films were evaluated. In addition, the morphology and structural characteristics of the films were analyzed, along with their degradation behaviour using the soil burial method. The results showed that increasing BP content improved the mechanical and physicochemical properties of the films. The film containing 10% BP exhibited the best mechanical performance, with a tensile strength of 15.32 MPa, Young’s modulus of 153.2 MPa, and elongation at break of 10.36%, along with the lowest moisture absorption of 15.98%. As the BP content increased, the surface morphology of the films became less rough, and the identified functional groups indicated strong interactions among the film constituents. The banana pseudostem data were statistically analyzed using a one-way ANOVA test. It was found that the effect of banana pseudostem content on all attributes was strong (p < 0.001). Significant differences among the film formulations were also confirmed using the Tukey test. Overall, this study demonstrates that the incorporation of cellulose powder into starch-based bioplastics leads to improved bioplastic films that have the potential to replace petroleum-based plastics.