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首页> 外文期刊>Journal of Applied Polymer Science >Preparation of Polyurethane/Hectorite,Polyurethane/Montmorillonite, and Polyurethane/Laponite Nanocomposites without Organic Modifiers
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Preparation of Polyurethane/Hectorite,Polyurethane/Montmorillonite, and Polyurethane/Laponite Nanocomposites without Organic Modifiers

机译：不含有机改性剂的聚氨酯/锂蒙脱石，聚氨酯/蒙脱石和聚氨酯/ Laponite纳米复合材料的制备

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摘要

Polyurethane (PU) nanocomposites were prepared from hectorite (HEC) and laponite without adding any organic modifier. PU-montmorillonite nanocomposites were prepared for comparison. The structure of the composites were investigated by transmission electron microscopy, X-ray diffraction spectroscopy, and Fourier transform infrared spectroscopy. Thermal gravimetric analysis and dynamic mechanic analysis were used for determination of the thermal and viscoelastic behaviors,respectively. Tensile tests were conducted for characterization of the mechanical properties. The results showed a 113.5% increase in the tensile strength of PU containing 7 wt % HEC compared to that of neat PU.
机译：由锂蒙脱石（HEC）和合成锂皂石制备的聚氨酯（PU）纳米复合材料，不添加任何有机改性剂。制备PU-蒙脱土纳米复合材料用于比较。通过透射电子显微镜，X射线衍射光谱和傅里叶变换红外光谱研究复合材料的结构。热重分析和动态力学分析分别用于确定热和粘弹性行为。进行拉伸测试以表征机械性能。结果表明，与纯PU相比，含7wt％HEC的PU的拉伸强度提高了113.5％。

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