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Gas barrier properties of polymer/clay nanocomposites

机译：聚合物/粘土纳米复合材料的气体阻隔性能

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摘要

In the field of nanotechnology, polymer nanocomposites (PNCs) have attracted both academic and industrial interest due to their exceptional electrical, mechanical and permeability properties. In this review, we summarize the state-of-the-art progress on the use of platelet-shaped fillers for the gas barrier properties of PNCs. Layered silicate nanoclays (such as montmorillonite and kaolinite) appear to be the most promising nanoscale fillers. These exfoliated nanofillers are able to form individual platelets when dispersed in a polymer matrix. The nanoplatelets do not allow diffusion of small gases through them and are able to produce a tortuous path which works as a barrier structure for gases. The utilization of clays in the fabrication of PNCs with different polymer matrices is explored. Most synthesis methods of clay-based PNCs are covered, including, solution blending, melt intercalation, in situ polymerization and latex compounding. The structure, preparation and gas barrier properties of PNCs are discussed in general along with detailed examples drawn from the scientific literature. Furthermore, details of mathematical modeling approaches/methods of gas barrier properties of PNCs are also presented and discussed.
机译：在纳米技术领域，由于其特殊的电气，机械和渗透性，聚合物纳米复合材料（PNC）引起了学术和工业利益。在本文中，我们总结了用于使用PNC的阻气性的血小板填料的最新进展。层状硅酸盐纳米胺（如蒙脱石和高岭土）似乎是最有前途的纳米级填料。当分散在聚合物基质中时，这些去角质的纳米填充物能够形成单独的血小板。纳米片不允许通过它们的小气体扩散，并且能够产生作为气体屏障结构的曲折路径。探讨了用不同聚合物基质制备PNC的粘土的利用。覆盖基于粘土的PNC的大多数合成方法，包括溶液混合，熔体嵌入，原位聚合和胶乳配混。总共讨论了PNC的结构，制备和阻气性，以及来自科学文献中的详细示例。此外，还介绍并讨论了PNC的数学建模方法/气体阻隔性能的细节。

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  • 来源
    《RSC Advances》 |2015年第78期|共22页
  • 作者

    Cui Yanbin; Kumar S.; Kona Balakantha Rao; van Houcke Daniel;

  • 作者单位

    Masdar Inst Sci &

    Technol Dept Mech &

    Mat Engn MME Inst Ctr Microsyst iMicro Abu Dhabi U Arab Emirates;

    Masdar Inst Sci &

    Technol Dept Mech &

    Mat Engn MME Inst Ctr Microsyst iMicro Abu Dhabi U Arab Emirates;

    Borouge Pet Ltd Innovat Ctr Abu Dhabi U Arab Emirates;

    Borouge Pet Ltd Innovat Ctr Abu Dhabi U Arab Emirates;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
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