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    赖强, 刘河洲, 胡文彬, 张跃进. 纳米SiO2改性浇注型聚氨酯的性能[J]. 机械工程材料, 2007, 31(9): 61-63.
    引用本文: 赖强, 刘河洲, 胡文彬, 张跃进. 纳米SiO2改性浇注型聚氨酯的性能[J]. 机械工程材料, 2007, 31(9): 61-63.
    shu
    LAI Qiang, LIU He-zhou, HU Wen-bin, ZHANG Yue-jin. Properties of Casted Polyurethane Reinforced by Nano-sized SiO2[J]. Materials and Mechanical Engineering, 2007, 31(9): 61-63.
    Citation: LAI Qiang, LIU He-zhou, HU Wen-bin, ZHANG Yue-jin. Properties of Casted Polyurethane Reinforced by Nano-sized SiO2[J]. Materials and Mechanical Engineering, 2007, 31(9): 61-63.
    shu

    纳米SiO2改性浇注型聚氨酯的性能

    Properties of Casted Polyurethane Reinforced by Nano-sized SiO2

      摘要
    • 摘要: 把经过硅烷偶联剂KH-550表面处理的纳米SiO2加入到浇注型聚氨酯反应体系,制备了纳米SiO2增强的聚氨酯弹性体(PUR);研究了弹性体的力学性能,用扫描电镜分析了纳米SiO2在PUR中的分散情况,用差热分析仪研究了复合材料的耐热性能,并用动态热机械分析仪研究了复合材料的阻尼性能.结果表明：纳米SiO2颗粒可以较均匀地分散在PUR基体中,提高了材料的力学性能、耐热性能和阻尼性能.

       

      Abstract: Casted polyurethane(PUR) based composites filled with surface modified nano-sized SiO2 were prepared.The mechanical properties,heat-resistant performance and damping performance were studied.The microstructure analysis was conducted with scaning electron microscopy.The results show that the hardness and longitudinal strength are increased,the heat-resistant performance and damping performance are improved and the nano-sized SiO2 dispersed in the PUR homogeneously.

       

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