采用高速均质剪切法制备了SiO2/氰酸酯(CE)纳米复合材料,并对该体系的静态力学性能、动态力学性能和热稳定性进行了研究.结果表明,纳米SiO2的加入提高了复合材料的冲击强度和弯曲强度.当SiO2含量为0.30 wt%时,复合材料的冲击强度达最大,增幅为88.9%;当SiO2含量为0.15 wt%时,材料的弯曲强度达最大,增幅为20.0%.复合材料的储能模量和高温损耗模量较纯CE树脂有明显提高,玻璃化转变温度比纯CE提高了31.2℃,热分解温度在SiO2含量为0.30 wt%时达最大,失重为10%时的热分解温度提高了25.7℃.
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