International Conferences on Composite Materials

 International Conferences on Composite Materials

https://composite-materials-conferences.sciencefather.com/

Award Nomination - https://x-i.me/compram1

Abstract Submission - https://x-i.me/compabst2


Lightweight reinforced resin composite materials using clay particles


Unsaturated polyester (UP) resin is a low cost thermoset with excellent processing ability and mechanical properties that finds applications in fiber-reinforced polymer (FRP) materials. It also crosslinks readily in the presence of a catalyst such ketone peroxide, forming an even stronger and stiffer resin.

Unfortunately, this also leads to lower fracture toughness. Several methods to enhance the toughness of the cross-linked resin have been proposed; one such method involved blending with nano-fillers made from rubber but this reduces the strength and stiffness of the resin.

Here, for the first time, the team has demonstrated that nano-clay composite made from unsaturated polyester (UP) blended with montmorillonite (MMT) clay nanoparticles of high compressive strength, stiffness and toughness could be achieved by optimizing the filler content.

The blending process was straight-forward, involving a simple mechanical stirring and ultrasonic agitation process, followed by the degassing process in the vacuum gas chamber to remove air bubbles, and crosslinking the UP using methyl ethyl ketone peroxide. The optimization process involved characterizing the composite (pre- and post fracture) under a transmission electron microscope to quantify the dispersion of the MMT in the crosslink UP matrix.

This study demonstrated that the optimum weight fraction of MMT needed to maximize the compressive properties was around 0.60 wt%. In other words, about 99.4 wt% of the bulk comprised the crosslink UP. This yields a lightweight and strong polymer composite material.

The clay reinforced polymer composite material may find applications as primary load carrying structures in transport industry with fuel saving advantage. This can help support the transport industry drive to reduce green house gas emission into the environment.

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