PFA nanocomposites: the influence of three carbon nanofillers on the mechanical and electromagnetic properties

• Published in: Journal of polymer research Vol. 28; no. 7
• Main Authors: Montagna, Larissa Stieven, da Silva, Ana Paula Bernardo, de Melo Morgado, Guilherme Ferreira, Ribeiro, Bruno, Passador, Fábio Roberto, Rezende, Mirabel Cerqueira
• Format: Journal Article
• Language: English
• Published: Dordrecht Springer Netherlands 2021; Springer Nature B.V
• Subjects: Aircraft compartments; Carbon; Carbon black; Carbon nanotubes; Characterization and Evaluation of Materials; Chemistry; Chemistry and Materials Science; Electromagnetic properties; Electromagnetic shielding; Furfuryl alcohol; Impact strength; Impact tests; Industrial Chemistry/Chemical Engineering; Mechanical properties; Modulus of elasticity; Moisture content; Nanocomposites; Original Paper; Polyfurfuryl alcohols; Polymer Sciences; Production costs; Tensile strength; Green nanocomposites; Electromagnetic and conductivity measurements; Carbon black; Graphite nanosheets; Carbon nanotubes; Poly(furfuryl alcohol); Carbons nanofillers
• ISSN: 1022-9760; 1572-8935
• DOI: 10.1007/s10965-021-02613-y

The present work aims to obtain green nanocomposites, derived from a renewable source with benefits in the manufacture and application in aircraft interiors and the advantage of being from a renewable source, with lower production costs, in addition to being environmentally friendly. Thus, poly(furfuryl alcohol) (PFA), a bioresin derived from a renewable source was synthesized and compared with a commercial PFA bioresin, by measures of viscosity, pH, and moisture content. The influence of three carbon nanofillers, graphite nanosheets (GNS), carbon nanotubes (CNTs), and carbon black (CB) in the PFA bioresin were investigated by scanning electron microscopy (SEM), mechanical properties by tensile strength and Izod impact tests, electromagnetic and conductivity measurements. From the results, PFA bioresin showed lower moisture content compared to commercial PFA, enabling to the development of the PFA nanocomposites. PFA nanocomposite with the addition of 2 wt% GNS shows the best dispersion of the nanofiller in the PFA matrix and consequently, effectively improved the Izod impact strength and Young’s modulus. However, the PFA nanocomposite with the addition of 2 wt% CNT shows good shielding with the range of 481% higher than neat PFA and the highest electromagnetic interference shielding effectiveness among the studied nanocomposites.