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Materials 2018, 11(4), 613; https://doi.org/10.3390/ma11040613

Injection Molding and Mechanical Properties of Bio-Based Polymer Nanocomposites

1
Department of Civil, Environmental, Aerospace, Materials Engineering, RU INSTM of Palermo, University of Palermo, Viale delle Scienze ed.6, 90128 Palermo, Italy
2
Faculty of Engineering and Architecture, Kore University of Enna, Viale delle Olimpiadi, 94100 Enna, Italy
*
Authors to whom correspondence should be addressed.
Received: 27 March 2018 / Revised: 11 April 2018 / Accepted: 12 April 2018 / Published: 17 April 2018
(This article belongs to the Special Issue Green Composites: Preparation, Properties, and Applications)
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Abstract

The use of biodegradable/bio-based polymers is of great importance in addressing several issues related to environmental protection, public health, and new, stricter legislation. Yet some applications require improved properties (such as barrier or mechanical properties), suggesting the use of nanosized fillers in order to obtain bio-based polymer nanocomposites. In this work, bionanocomposites based on two different biodegradable polymers (coming from the Bioflex and MaterBi families) and two different nanosized fillers (organo-modified clay and hydrophobic-coated precipitated calcium carbonate) were prepared and compared with traditional nanocomposites with high-density polyethylene (HDPE) as matrix. In particular, the injection molding processability, as well as the mechanical and rheological properties of the so-obtained bionanocomposites were investigated. It was found that the processability of the two biodegradable polymers and the related nanocomposites can be compared to that of the HDPE-based systems and that, in general, the bio-based systems can be taken into account as suitable alternatives. View Full-Text
Keywords: processing; injection molding; biodegradable polymers; nanocomposites processing; injection molding; biodegradable polymers; nanocomposites
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Mistretta, M.C.; Botta, L.; Morreale, M.; Rifici, S.; Ceraulo, M.; La Mantia, F.P. Injection Molding and Mechanical Properties of Bio-Based Polymer Nanocomposites. Materials 2018, 11, 613.

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