Experimental Study of Polyvinyl Alcohol Nanocomposite Film Reinforced by Cellulose Nanofibers from Agave Cantala
Publish Year: 1400
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_IJE-34-4_025
تاریخ نمایه سازی: 6 اردیبهشت 1400
Abstract:
This paper presents an experimental study of addition of cellulose nanofibers (CNF) extracted by the chemical-ultrasonication process from agave cantala leaf plants in the matrix of polyvinyl alcohol (PVA). Combining these materials produce the nanocomposite film with a thickness of ۳۰ μm. The nanocomposite characteristic was investigated by the addition of CNF (۰, ۲, ۵, ۸, and ۱۰ wt%) in PVA suspension (۳ wt.%). PVA/CNF nanocomposite films were prepared by a casting solution method. The fibrillation of fibers to CNF was analyzed using Scanning Electron Microscopy and Transmission Electron Microscopy. The nanocomposite film functional group's molecular chemical bond and structural analysis were tested using Fourier Transform Infrared and X-ray diffraction. The PVA/CNF nanocomposite film has significant advantages on the ultraviolet barrier, thermal stability tested by Differential Scanning Calorimetry and Thermogravimetric Analyzer, and tensile strength. Overall, the optimal addition of CNF is ۸ wt.% in matrix, resulting in the highest crystallinity index (۳۷.۵%), the tensile strength and elongation at break was an increase of ۷۹% and ۱۳۸%, respectively. It has good absorbing ultraviolet rays (۸۲.۴%) and high thermal stability (۳۶۵oC).
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Authors
F. Yudhanto
Department of Mechanical and Industrial Engineering, Faculty of Engineering, Universitas Gadjah Mada, Indonesia; Department of Mechanical Technology, Universitas Muhammadiyah Yogyakarta, Indonesia
J. Jamasri
Department of Mechanical and Industrial Engineering, Faculty of Engineering, Universitas Gadjah Mada, Indonesia
H. Rochardjo
Department of Mechanical and Industrial Engineering, Faculty of Engineering, Universitas Gadjah Mada, Indonesia
A. Kusumaatmaja
Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Gadjah Mada, Indonesia
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