Effective Intercalation and Exfoliation of Nanoplatelets in Epoxy via Creation of Porous Pathways
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A new surface modification approach for improving intercalation and exfoliation efficiency of layered nanoplatelets is introduced on the basis of a-zirconium phosphate (α-ZrP) nanoplatelets. The intercalation of α-ZrP nanoplatelets was carried out using a number of different organic surface modifiers and their combinations. It is found that porous pathways, which can be created by incorporating a combination of a linear long-chain amine and a bulky, short-chain amine as intercalating agents, can lead to speedier and more effective intercalation. Consequently, fully exfoliated polymer nanocomposites can be more easily prepared. The intercalation/exfoliation mechanisms accounting for the observed effectiveness are discussed. © 2007 American Chemical Society.
author list (cited authors)
Boo, W. J., Sun, L., Liu, J., Clearfield, A., & Sue, H.