Effects of Nano-Silica Addition and Reactive Diluent Addition on Dynamic Mechanical Properties of Epoxy Nanocomposites

Abstract:

Epoxy resin nanocomposite samples containing 0~3wt.% reactive diluent and 0~3wt.% silica nanopowder are prepared. The preparation process is presented for solvent-free and greenmanufacturing. The storage modulus, loss modulus and glass transition temperature of the various samples are then evaluated via Dynamic Mechanical Analysis (DMA). For samples containing 0wt.% and 3wt.% reactive diluent, respectively, 3wt.% nanoSiO₂ addition is found to increase the storage modulus by 51.06 % and 22.22 %, respectively. In addition, it is found that the loss modulus is determined principally by the level of SiO₂ addition, whereas the glass transition temperature is determined mainly by the level of reactive diluent addition.

• Periodical: Advanced Materials Research (Volume 853)
• Pages: 46-52
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.853.46
• Online since: December 2013
• Authors: Huey Ling Chang*, Chih Ming Chen
• Keywords: Epoxy Resin (ER), Loss Modulus, Nanocomposite, Nanosilica Particles, Storage Modulus

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