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首页> 外文会议>6th Asian Symposium on Polymers in Concrete(第六届亚洲聚合物混凝土国际会议） >Effect of the Preparation Conditions on Potassium Acetate-Intercalated Metakaolinite Composites
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Effect of the Preparation Conditions on Potassium Acetate-Intercalated Metakaolinite Composites

机译：制备条件对醋酸钾插层偏高岭土复合材料的影响

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摘要

A useful and desirable method of preparing intercalated composites as an intermediate is to directly intercalate potassium acetate into metakaolinite by grinding method. The effects of grinding times, potassium acetate content and heat treatment on the direct intercalation of potassium acetate into metakaolinite were investigated by X-ray diffraction (XRD) and transmission electron microscopy (TEM). XRD shows that the intensity of the characteristic peak of metakaolinite decreases with heat treatment and increase of grinding times and potassium acetate content. TEM shows that the clay platelets of metakaolinite are delaminated after intercalation of potassium acetate. These results indicate that heating and increase of grinding times and potassium acetate content can be most beneficial for the intercalation of potassium acetate into metakaolinite, and result in the exfoliation of metakaolinite layers.
机译：制备插层复合材料作为中间体的一种有用且理想的方法是通过研磨法将乙酸钾直接插层成偏高岭土。通过X射线衍射（XRD）和透射电子显微镜（TEM）研究了研磨时间，乙酸钾含量和热处理对乙酸钾直接嵌入偏高岭石中的影响。 XRD表明，偏高岭土特征峰的强度随热处理而降低，而研磨时间和乙酸钾含量则增加。 TEM显示，在插入乙酸钾后，偏高岭土的粘土薄片分层。这些结果表明，加热以及增加研磨时间和乙酸钾含量对于将乙酸钾嵌入偏高岭石中最有利，并且会导致偏高岭石层的剥落。

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  • 来源
  • 会议地点 Shanghai(CN);Shanghai(CN)
  • 作者

    Tao Xu; Wei Han; Zhen Li; Zaiqin Wang;

  • 作者单位

    School of Materials Science and Chemical Engineering, China University of Geosciences, 388 Lumo Road, Wuhan 430074, China;

    Materials and Structural Engineering Department, Changjiang River Scientific Research Institute, 23 Huangpu Road, Wuhan 430010, China;

    Materials and Structural Engineering Department, Changjiang River Scientific Research Institute, 23 Huangpu Road, Wuhan 430010, China;

    Materials and Structural Engineering Department, Changjiang River Scientific Research Institute, 23 Huangpu Road, Wuhan 430010, China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    metakaolinite; potassium acetate; intercalation; composites;

    机译：偏高岭石醋酸钾插层复合材料;

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