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首页> 外文期刊>International journal of nanoscience >PREPARATION AND PROPERTIES OF A NOVEL EPOXIDIZED CASTOR OIL/CLAY NANOCOMPOSITES
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PREPARATION AND PROPERTIES OF A NOVEL EPOXIDIZED CASTOR OIL/CLAY NANOCOMPOSITES

机译：新型环氧蓖麻油/粘土纳米复合材料的制备及性能

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摘要

A novel nanocomposites of modified clay in a glassy epoxy were prepared using a direct melt intercalation technique. The contents of oganoclay were varied with 0, 1, 2, and 3 wt% and N-benzylpyrazinium hexafluoroantimonate (BPH) was used for curing of epoxy matrix as a cationic latent catalyst. Dynamic mechanical analysis (DMA) measurement was performed to examine the glass transition temperature of the nanocomposites. As a result, X-ray diffraction indicated the intercalation of the epoxy chains happening inside the gallery of clay. The nanocomposites showed a higher glass transition temperature and storage modulus than those of the pristine epoxy. The mechanical interfacial properties of the nanocomposites were also investigated and the improvement in tearing energy of 160% over pristine epoxy was obtained.
机译：使用直接熔体插层技术制备了玻璃态环氧树脂中改性粘土的新型纳米复合材料。 oganoclay的含量随0、1、2和3 wt％的变化而变化，N-苄基吡嗪六氟锑酸盐（BPH）用于固化环氧基质，作为阳离子型潜在催化剂。进行动态力学分析（DMA）测量以检查纳米复合材料的玻璃化转变温度。结果，X射线衍射表明发生在粘土通道内的环氧链的插入。纳米复合材料显示出比原始环氧树脂更高的玻璃化转变温度和储能模量。还研究了纳米复合材料的机械界面性能，并获得了比原始环氧树脂高160％的撕裂能。

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