Abstract
Attempts have been made to encapsulate silica within poly(lactic acid) (PLA), prepared by nanoprecipitation and emulsification—diffusion methods, in order to modify their surface properties. We have shown that silica—PLA colloidal nanocomposites can be readily obtained through nanoprecipitation and emulsion—diffusion. The nanoprecipitation method coats a thin-nanolayer on the surface of the silica particles, as per transmission electron micrographs analysis. In the case of emulsion—diffusion method, the free PLA nanospheres were embedded around the silica particles. Both methods proved to be successful in coating or encapsulation of the inorganic surface through polymer precipitation.
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