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Assessment of Soil and Fungal Degradability of Thermoplastic Starch Reinforced Natural Fiber Composite

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Abstract

High water absorption capacity and low biodegradation of fiber reinforced composites are the major drawbacks, which limit their applications in different sectors. Development of composites with complete biodegradability is challenging as biodegradability may be incomplete by lowering of its water adsorption capacity. In this work, a series of thermoplastic starch (TPS) reinforced jute (10–40 wt%) composites were developed by compression molding and measured by their mechanical properties. The composite with 30% jute showed the maximum tensile strength (27.3 MPa). Contact angle, and water absorption measurements exposed that composites are moderately hydrophobic in nature. Both soil burial and fungal degradation testing showed biodegradability of composites. Characterizations of optimized composite before and after biodegradation test, were carried out by FTIR, SEM and optical microscope. The present study showed promise on feasible applications of jute-starch composites in packaging, automobile sector, cutlery, indoor furnishing, etc. as a substitute of plastic-based composites.

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Acknowledgements

We gratefully acknowledge the financial support of Utkal University, Bhubaneswar as seed grant and DST-FIST programme to carry out some part of this work.

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Authors and Affiliations

  1. Department of Chemistry, Utkal University, Bhubaneswar, Odisha, 751004, India

    Ajaya Kumar Behera, Chirasmayee Mohanty, Sibun K. Pradhan & Nigamananda Das

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  1. Ajaya Kumar Behera
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  2. Chirasmayee Mohanty
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  3. Sibun K. Pradhan
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  4. Nigamananda Das
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Correspondence to Ajaya Kumar Behera.

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Behera, A.K., Mohanty, C., Pradhan, S.K. et al. Assessment of Soil and Fungal Degradability of Thermoplastic Starch Reinforced Natural Fiber Composite. J Polym Environ 29, 1031–1039 (2021). https://doi.org/10.1007/s10924-020-01944-z

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  • DOI: https://doi.org/10.1007/s10924-020-01944-z

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