The cure process and the mechanical properties of liquid polymethylmethacrylate grafted
natural rubber (LMG30) modified epoxy have been studied. Addition of LMG30 significantly
increased the fracture toughness and the impact strength of the epoxy resin. The fracture toughness
increased up to 22 fold (17.3 MNm-3/2) when modified with 5 phr LMG30. The glass transition
temperature however, decreases as the rubber content increases. The SEM analysis shows uniform
dispersion of rubber particles within the epoxy matrix with average particle size between 0.4 to 0.8
0m in diameter.
Magnetic nanocomposite photocatalyst is an alternative approach for easy separation of catalyst from the treated water by magnetic force. This paper will discuss the performance of dye degradation using two different supported layer; Silica and Activated Carbon that shield between magnetic iron oxide (Fe2O3) and Titanium dioxide (TiO2) photocatalyst. Photocatalytic activity is measure using Methylene Blue (MB) as indicator. The magnetic nanocomposite was synthesis using an evaporation indused self-assembly (EISA) approach and wet synthesis method. The photocatalyst were then characterized using Vibrating Sample Magnetometer (VSM), Brunauer-Emmet-Teller (BET), and Transmission Electron Microscope (TEM) and the effect of dye degradation were characterizing using Ultraviolet-Visible (UV-VIS) spectroscopy. The result showed that activated carbon is the good supporter compare to silica.
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