Abstract
AbstractVia a batch process in an autoclave, the foam processing of neat polylactide (PLA) and two different types of PLA/layered silicate nanocomposites has been conducted using supercritical carbon dioxide as a foaming agent. The morphological correlation between the dispersed silicate particles with nanometer dimensions in the bulk and the obtained closed‐cell structure of the foam is discussed. This is the first report that deals with the possibility of preparing biodegradable nanocellular polymeric foams via nanocomposite technology.SEM image of the freeze‐fracture surface of a PLA/layered silicate foam, exhibiting closed‐cell structure.magnified imageSEM image of the freeze‐fracture surface of a PLA/layered silicate foam, exhibiting closed‐cell structure.
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