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All Journal Transmisi Journal of Mechanical Engineering Science and Technology Turbo : Jurnal Program Studi Teknik Mesin Chimica et Natura Acta International Journal of Recent Technology and Applied Science (IJORTAS) Journal of Applied Science, Engineering, Technology, and Education Jurnal Pengabdian, Pendidikan dan Teknologi Mechanical Engineering for Society and Industry
Prasetya, Riduwan
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Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation Other

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Influence of Polyvinyl Alcohol Content on Starch-Based Bioplastic Reinforced with Chitosan and Microcrystalline Cellulose Putra, Bagus Kharisma; Andoko, Andoko; Afandy, Mochamad Viky; Pasha, Muhammad Faizullah; Prasetya, Riduwan
Chimica et Natura Acta Vol 14, No 1 (2026)
Publisher : Departemen Kimia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/cna.v14.n1.70771

Abstract

Starch-based bioplastics are promising sustainable alternatives to petroleum-based plastics; however, their limited mechanical strength and stability restrict broader packaging applications. This study investigates the influence of polyvinyl alcohol (PVA) content on the structural and functional properties of starch-based bioplastic films reinforced with chitosan and microcrystalline cellulose (MCC). Films prepared by solution casting with varying PVA compositions were characterized in terms of density, mechanical properties, thermal stability, biodegradation behavior, antibacterial activity, and structural features. Increasing PVA content produced denser film structures with improved tensile strength and thermal stability, while elongation at break reached its maximum at the intermediate formulation, indicating a strength–ductility trade-off. The control film exhibited antibacterial inhibition zones of 12.6 mm against Staphylococcus aureus and 8.8 mm against Escherichia coli, with activity decreasing at higher PVA content. These findings demonstrate that adjusting PVA composition effectively tailors the multifunctional performance of starch-based bioplastic films for sustainable packaging applications.
Co-Authors Abdiyar, Muhammad Albin Afandy, Mochamad Viky Agung Prabowo Akbar, Muhamad Rizky Aminnudin, Aminnudin Andoko , Andoko Andoko Andoko, Andoko Cahyono, Yanuar Reza Trie Darmawan, Muhammad Wahid Didin Zakariya Lubis Faishol, Faishol Heru Suryanto Imam Muda Nauri Janas, Dawid Khoyroh, Syafira Bilqis Mishima, Kenji Pasha, Muhammad Faizullah Perdana, Muhamad Rayhan Rizky Prihanto Trihutomo Putra, Bagus Kharisma Ramadhan, Rafli Adi Retno Wulandari Reyhan, Rhesa Rama Rr. Poppy Puspitasari Suprayitno Suprayitno Syah, Muhammad Zacky