Preparation and Characterization of Biodegradable Sustainable Composite for Green Packaging Technology | ||
| Egyptian Journal of Chemistry | ||
| Articles in Press, Accepted Manuscript, Available Online from 24 November 2025 | ||
| Document Type: Original Article | ||
| DOI: 10.21608/ejchem.2025.419559.12288 | ||
| Authors | ||
| M. F. Radwan1; A.A. AbdElHakim* 2; S. M. Elkousy1 | ||
| 1Chemistry Department, Faculty of Science, Menofia University, Egypt. | ||
| 2Packaging Materials Department, National Research Centre, 33 El-Bohouth St. Dokki, Giza, P.O.12622, Egypt. | ||
| Abstract | ||
| Poly vinyl alcohol (PVA)/ glycerol (GL)/ alkyl ketene dimer (AKD)/ starch (ST)/ cross-linked citric acid (CA) composite is a new biodegradable material was prepared easily by solution process and casting method in existence of glycerol as a plasticizer, alkyl ketene dimer as sizing agent and citric acid (CA) as cross-linker. There are many characterization methods were applied to study the chemical, physical and morphological properties of the prepared composite films i.e. Fourier transform infrared spectroscopy (FT-IR), thermal analysis techniques and Scanning electron microscopy (SEM). Estimation of physio-chemical properties such as water resistance properties, mechanical, and biodegradability were done. Mechanical properties of plasticized Polyvinyl alcohol /ST composite films were improved by addition of the AKD and CA as cross-linker. Water resistance properties of the plasticized PVA/starch composite films evaluated in terms of water solubility, water contact angle and water absorption capacity. It was also enhanced after incorporation of AKD and CA. The biodegradation rate of the PVA/ST/AKD/CA cross-linked composite films was improved by the presence of ST and GL in the polymer matrix. PVA/starch/alkyl ketene dimer/citric acid cross-linked composite film has prospect applications in packaging applications as a replacement of non-degradable synthetic polymer-based films. | ||
| Keywords | ||
| Poly vinyl alcohol; Biodegradable material; Starch; Mechanical properties; Packaging applications | ||
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