超高体积分数定向碳纳米管/聚合物复合材料的制备与表征。
Fabrication and characterization of ultrahigh-volume- fraction aligned carbon nanotube-polymer composites.
机构信息
Departments of Aeronautics and Astronautics and Chemical Engineering Massachusetts Institute of Technology 77 Massachusetts Avenue, Cambridge, MA 02139 (USA).
出版信息
Adv Mater. 2008 Jul 17;20(14):2707-14. doi: 10.1002/adma.200800295. Epub 2008 Jun 5.
Aligned CNT nanocomposites with variable volume fraction, up to 20%, are demonstrated. Biaxial mechanical densification of aligned CNT forests, followed by capillarity-driven wetting using unmodified aerospace-grade polymers, creates centimeter-scale specimens. Characterizations confirm CNT alignment and dispersion in the thermosets, providing a useful platform for controlled nanoscale interaction and nanocomposite property studies that emphasize anisotropy.
本文展示了体积分数高达 20%的定向 CNT 纳米复合材料。通过对定向 CNT 森林进行双向机械致密化，然后使用未经改性的航空航天级聚合物进行毛细驱动润湿，可制造出厘米级的样品。特性分析证实了 CNT 在热固性塑料中的定向和分散，为强调各向异性的可控纳米级相互作用和纳米复合材料性能研究提供了一个有用的平台。
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