Abstract
A study on evaluating the effect of nano-CaCO 3 particles on thermal and mechanical properties of epoxy resin cast was performed by TGA and mechanical tests. A silane coupling agent KH550 as an interfacial modifier was introduced into nanocomposites through preparing KH550/nano-CaCO 3 master batch. It is revealed that epoxy resin cast filled with nano-CaCO 3 particles represents higher thermal stability and mechanical strength. The improvement of thermal and mechanical properties is attributed to the surface modification of nano-particles, which can enhance the interfacial properties between nano-CaCO 3 fillers and epoxy resin. The mechanical properties of nano-CaCO 3/epoxy/carbon fibres composites based on the modified epoxy matrix are also enhanced.
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