Effects of halloysite content on the thermo-mechanical performances of composite bioplastics

Giuseppe Cavallaro, Giuseppe Lazzara, Stefana Milioto, Stefana Milioto, Giuseppe Cavallaro, Giuseppe Lazzara, Lorenzo Lisuzzo

Research output: Contribution to journalArticlepeer-review

19 Citations (Scopus)

Abstract

The aim of this study is the design and preparation of Mater-Bi/halloysite nanocomposite materials that could be employed as bioplastics alternative to the petroleum derived products. The biocomposite materials at variable halloysite content (from 0 to 30 wt%) were prepared by using the solvent casting method. We investigated the mechanical behaviour and the thermal properties of the prepared nanocomposites in order to estimate their suitability as biocompatible packaging materials. The thermo-mechanical characteristics were correlated to the nanocomposites' morphologies, which were studied by Scanning Electron Microscopy (SEM). As a general result, the physico-chemical performances of Mater-Bi were improved by the presence of small amounts of nanotubes, which evidenced a homogenous distribution in the polymer matrix. The strongest enhancements of the thermal stability and tensile properties were achieved for Mater-Bi/halloysite 10 wt%. A further addition of nanotubes determined the worsening of both thermal stability and mechanical behaviour.The attained knowledge represents the starting step for the development of packaging films composed by Mater-Bi and halloysite nanotubes.
Original languageEnglish
Pages (from-to)105416-
Number of pages6
JournalApplied Clay Science
Volume185
Publication statusPublished - 2020

All Science Journal Classification (ASJC) codes

  • Geology
  • Geochemistry and Petrology

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