Characteristics of Thermoplastic Potato Starch/Bentonite Nanocomposite Film

Euroinvent ICIR 2018

Zakaria, N.H.^1,2 ; Muhammad, N.^1,2 ; Abdullah, M.M.A.B.^2,3 ; Sandu, I.G.^2,4 ; Mei Wan, C.L.^1

School of Manufacturing Engineering, Universiti Malaysia Perlis, Perlis, Malaysia^1

Center of Excellence Geopolymer and Green Technology (CEGeoGTech), School of Materials Engineering, Universiti Malaysia Perlis, Perlis, Malaysia^2

Faculty of Engineering Technology, Universiti Malaysia Perlis, Perlis, Malaysia^3

Gheorghe Asachi Technical University of Iasi, Faculty of Materials Science and Engineering, Blvd. D. Mangeron 41, Iasi

700050, Romania^4

关键词: Ductile structures;    Elongation at break;    Nano-fillers;    Plasticizing effects;    Potato starches;    Scanning electron microscopy image;    Solution-casting technique;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/374/1/012025/pdf
DOI  :  10.1088/1757-899X/374/1/012025

来源: IOP

【 摘 要 】

The aim of this study is to investigate the effect of bentonite towards thermoplastic potato starch nanocomposite films on the mechanical, microstructure and physical properties. The nanocomposite films were prepared using bentonite nano filler (0, 1, 5, 10, 15 and 20%) through solution casting technique. Obtained result indicate that, tensile strength increased significantly with increasing bentonite content and the highest tensile strength was recorded for nanocomposite film with 20% bentonite content. Meanwhile, elongation at break increased as the bentonite content increased from 0 to 15%, however significantly decreased at 20% bentonite content due to ductile structure and anti-plasticizing effect. Besides, good dispersion between bentonite nano filler and starch matrix with slightly remaining anglomerates was evident in scanning electron microscopy (SEM) image. Overall result shows that the addition of bentonite nano filler in potato starch film significantly influenced the properties of the films.