Permeation properties of epoxy nanocomposites
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Permeation properties of epoxy nanocomposites and commonly utilized semiempirical permeability models are reviewed in this chapter. In addition to nanoplatelet loading effect, a number of morphological factors that affect permeation properties are discussed. In general, a high nanoplatelet content, good dispersion, high effective aspect ratio, and proper nanoplatelet orientation will reduce permeability of epoxy nanocomposites. Considering the above factors, good controls of the nanoplatelet dispersion and orientation are needed to optimize the barrier properties of epoxy nanocomposites. Approaches for achieving desired nanoplatelet morphology in epoxy for reduced permeability are discussed. 2009 Nova Science Publishers, Inc.
