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Harussani MM, Sapuan SM, Firdaus AHM, et al. Determination of the Tensile Properties and Biodegradability of Cornstarch-Based Biopolymers Plasticized with Sorbitol and Glycerol. Polymers (Basel). 2021;13(21)doi: 10.3390/polym13213709.
Harussani, M. M., Sapuan, S. M., Firdaus, A. H. M., El-Badry, Y. A., Hussein, E. E., & El-Bahy, Z. M. (2021). Determination of the Tensile Properties and Biodegradability of Cornstarch-Based Biopolymers Plasticized with Sorbitol and Glycerol. Polymers, 13(21), . https://doi.org/10.3390/polym13213709
Harussani, M M, et al. "Determination of the Tensile Properties and Biodegradability of Cornstarch-Based Biopolymers Plasticized with Sorbitol and Glycerol." Polymers vol. 13,21 (2021). doi: https://doi.org/10.3390/polym13213709
Harussani MM, Sapuan SM, Firdaus AHM, El-Badry YA, Hussein EE, El-Bahy ZM. Determination of the Tensile Properties and Biodegradability of Cornstarch-Based Biopolymers Plasticized with Sorbitol and Glycerol. Polymers (Basel). 2021 Oct 27;13(21). doi: 10.3390/polym13213709. PMID: 34771264; PMCID: PMC8587433.
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Polymers (Basel). 2021 Oct 27;13(21). doi: 10.3390/polym13213709.

Determination of the Tensile Properties and Biodegradability of Cornstarch-Based Biopolymers Plasticized with Sorbitol and Glycerol.

Polymers

M M Harussani, S M Sapuan, A H M Firdaus, Yaser A El-Badry, Enas E Hussein, Zeinhom M El-Bahy

Affiliations

  1. Advanced Engineering Materials and Composites Research Centre (AEMC), Department of Mechanical and Manufacturing Engineering, Universiti Putra Malaysia (UPM), Serdang 43400, Selangor, Malaysia.
  2. Laboratory of Biocomposite Technology, Institute of Tropical Forestry and Forest Products, Universiti Putra Malaysia (UPM), Serdang 43400, Selangor, Malaysia.
  3. Chemistry Department, Faculty of Science, Taif University, Khurma, P.O. Box 11099, Taif 21944, Saudi Arabia.
  4. National Water Research Center, P.O. Box 74, Shubra El-Kheima 13411, Egypt.
  5. Department of Chemistry, Faculty of Science, Al-Azhar University, Nasr City, Cairo 11884, Egypt.

PMID: 34771264 PMCID: PMC8587433 DOI: 10.3390/polym13213709

Abstract

In this study, the effects of various quantities of sorbitol and glycerol plasticizers (0%, 30%, 45%, and 60%) on cornstarch-based film were examined to develop a novel polymer for usage with biodegradable materials. The film was prepared using the casting process. According to the test findings, the application of the plasticizer concentrations affected the thickness, moisture content, and water absorption of the film. When plasticizer concentrations were increased to 60%, the tensile stress and Young's modulus of plasticized films dropped regardless of plasticizer type. However, the thin film with addition of 30% sorbitol plasticizer demonstrated a steady value of Young's modulus (60.17 MPa) with an increase in tensile strength (13.61 MPa) of 46%, while the lowest combination of tensile strength and Young's modulus is the film that was plasticized with 60% glycerol, with 2.33 MPa and 16.23 MPa, respectively. In summary, the properties and performance of cornstarch-based film were greatly influenced by plasticizer types and concentrations. The finest set of features in this research appeared in the film plasticized with 30% sorbitol, which achieved the best mechanical properties for food packaging applications.

Keywords: biodegradable film; cornstarch biopolymers; physical properties; plasticizers; tensile properties; thermal properties

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