Polymer nanocomposites having a high filler content: synthesis, structures, properties, and applications

Harito, Christian, Bavykin, Dmitry V., Yuliarto, Brian, Dipojono, Hermawan K. and Walsh, Frank C. (2019) Polymer nanocomposites having a high filler content: synthesis, structures, properties, and applications. Nanoscale, 2019 (11), 4653-4682. (doi:10.1039/c9nr00117d).

Abstract

The recent development of nanoscale fillers, such as carbon nanotubes, graphene, and nanocellulose, allows the functionality of polymer nanocomposites to be controlled and enhanced. However, conventional synthesis methods of polymer nanocomposites cannot maximise the reinforcement of these nanofillers at high filler content. Approaches for the synthesis of high content filler polymer nanocomposites are suggested to facilitate future applications. The fabrication methods address the design of the polymer nanocomposite architecture, which encompasses one, two, and three dimensional morphologies. Factors that hamper the reinforcement of nanostructures, such as alignment, dispersion of the filler and interfacial bonding between the filler and polymer, are outlined. Using suitable approaches, maximum potential reinforcement of nanoscale fillers can be anticipated without limitations in orientation, dispersion, and the integrity of the filler particle-matrix interface. High filler content polymer composites containing emerging materials such as 2D transition metal carbides, nitrides, and carbonitrides (MXenes) are expected in the future.

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