Nano Archive

Toughening of cycloaliphatic epoxy resin by nanosize silicon dioxide

Zhang, Xiaohua and Xu, Weijian and Xia, Xinnian and Zhang, Zhenghua and Yu, Renqi (2006) Toughening of cycloaliphatic epoxy resin by nanosize silicon dioxide. Materials Letters, 60 (28). 3319 - 3323.

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Nanosize silicon dioxide was used to improve the toughness of cycloaliphatic epoxy resin 3, 4-epoxycyclohexylmethyl-3′,4′-epoxycyclohexane carboxylate. Coupling agent γ-glycidyloxipropyltrimethoxysilane (KH-560) was used to modify the surface property of SiO2. Impact resistance of the neat epoxy or epoxy/SiO2 cured system was determined at room temperature by a falling dart impact tester. The distribution of SiO2 and the fracture morphology of composites were examined using scanning electron microscopy (SEM) after impact testing. The thermal properties of epoxy/SiO2 composites were studied by thermo-gravimetric analysis (TGA) and differential scanning calorimeter (DSC) analysis. The results showed that the incorporation of nano-SiO2 effectively improved the toughness of cycloaliphatic epoxy resin as well as its thermal stability.

Item Type:Article
Uncontrolled Keywords:Cycloaliphatic epoxy resin; Nanocomposites; Toughening; Thermal properties
Subjects:Material Science > Nanostructured materials
ID Code:6768
Deposited By:SPI
Deposited On:06 Feb 2010 15:32
Last Modified:06 Feb 2010 15:32

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