Journal
MACROMOLECULAR RAPID COMMUNICATIONS
Volume 24, Issue 7, Pages 457-461Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.200390068
Keywords
foams; microcellular; nanocellular; nanocomposites; organically modified layered silicates; polylactide
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Via 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.
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