MATEC Web Conf.
Volume 204, 2018International Mechanical and Industrial Engineering Conference 2018 (IMIEC 2018)
|Number of page(s)||7|
|Published online||21 September 2018|
Characteristics of nanoclay reinforced starch biocomposites through the extrusion process
Department of Mechanical Engineering, Faculty of Engineering, State University of Malang, 65145 Malang, Indonesia
2 Department of Mechanical Engineering, Bachelor Program, State University of Malang, 65145 Malang, Indonesia
3 Fisheries and Marine Science, Brawijaya University, 65145 Malang, Indonesia
Corresponding author: email@example.com
The development of materials engineering has led to many significant discoveries one of which is biocomposite with its diverse applications. The addition of reinforcing materials in biopolymers improves the composite properties. This study aimed at investigating the effect of adding nanoclay on the tensile strength, morphology, functional group, and structure of extruded biocomposites with cassava starch matrix. This experimental research involved different concentrations of nanoclay i.e. 0%, 2.5%, 5%, 7.5%. The extrusion process was performed using a single screw extruder at 120°C. The samples were characterized by tensile testing, XRD, and SEM. The biocomposite reinforced with 5% nanoclay had the highest tensile strength of 10.8 MPa. The highest diffraction peak at 2θ of 19.4° appeared in the sample added with 5% nanoclay. The addition of excessive amounts of nanoclay can hinder the formation of exfoliated structures.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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