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Polymer-Modified Halloysite Composite Nanotubes

机译:聚合物改性的埃洛石复合纳米管

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A natural clay halloysite, which is a kind of almninosilicate with a predominantly nanosized hollow tubular structure, was modified by polymers achieving polymer-halloysite composite nanotubes. Polymer chains can grow from both interior and exterior surfaces of the halloysite nanotubes by atom transfer radial polymerization (ATRP). Eventually, the composite nanotubes ware evolved to a core-shell coaxial structure after the interior cavity was fully covered by the polymer. After dissolution of the halloysite template, polymeric nanotubes and nanowires were derived. The composition could be controlled from polymer to carbon after being treated at high temperature. The idea can be extended to a cast halloysite fabric resulting non-woven composites, which had some interesting wettability. (c) 2008 Wiley Periodicals, Inc. J Appl Polym Sci 110: 3638-3646, 2008
机译:天然粘土埃洛石是一种主要具有纳米级中空管状结构的硅铝酸盐,可通过聚合物进行改性,以形成聚合物-硅铝石复合纳米管。聚合物链可以通过原子转移径向聚合(ATRP)从埃洛石纳米管的内外表面生长。最终,在内部空腔被聚合物完全覆盖后,复合纳米管逐渐演变为核-壳同轴结构。埃洛石模板溶解后,得到了聚合物纳米管和纳米线。在高温下处理后,可以将组合物从聚合物控制为碳。该想法可以扩展到铸造的埃洛石织物,从而得到具有一些有趣的润湿性的非织造复合材料。 (c)2008 Wiley Periodicals,Inc. J Appl Polym Sci 110:3638-3646,2008

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