Abstract
AbstractThe effects of electron irradiation in air at various doses on surface chemical composition of nanofilled polypropylene were explored by X‐ray photoelectron spectroscopy. An organically modified nanoclay ingredient along with a functional compatibilizer was employed for this purpose. The nanocomposite formation was confirmed by means of transmission electron microscopy, where in presence of compatibilizer, an exfoliated structure was brought about. Medium irradiation dose was established to be considerably effective in raising surface oxygen content, while at very high electron beam fluence, the ablation (etching) predominated. The optimal electron beam intensity was also found with respect to the extent of the functionalization. Various moieties of ether, ester, and alcohol characteristics were produced after exposure which could act as functional, active precursors being suitable for subsequent functionalization reactions. Furthermore, it could be understood that the electron irradiation spur organoclay migration toward surface layers. © 2012 Wiley Periodicals, Inc. J. Appl. Polym. Sci., 2013
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