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dc.contributor.author서용석-
dc.contributor.author홍순만-
dc.date.accessioned2015-12-03T00:34:52Z-
dc.date.available2015-12-03T00:34:52Z-
dc.date.issued201004-
dc.identifier.other34031-
dc.identifier.urihttps://pubs.kist.re.kr/handle/201004/38953-
dc.description.abstractNanocomposite of polypropylene (PP) and clay was prepared by the foaming process which can indue exfoliation as well as intercalation of the clay. Physical properties of the prepared composites wereinvestigated using DSC, UTM and polarizedoptical microscopy.As a foaming agent we used a supercritical solution. The nonisothermal crystallization kinetics of foamed composites were investigated by differential scanning calorimetry. A kinetic equation for nonisothermal crystallization was employed to analyze the crystallization characteristics of the composites. The Avramic exponent, n, can be reasonably well determined from the nonisothermal crystallization exotherm. The polarized optical microscopy showed that thecomposites had an elongated entities that subsequently developed as more bundle-like entities. The difference in crystallization behavior observed for the pristine PP and nanocomposites is attributed to the formation of different morphologies during the foam expansion process. TEM results show that the foaming process helps the exfoliation of clay particles. X-ray spectra confirms the occurrence of exfoliation by the foaming process.-
dc.publisherESAFORM 2010 conference on material forming-
dc.subjectorganic-inorganic-
dc.subjectcomposite-
dc.subjectmanufacturing process-
dc.titleDevelopment of a manufacturing process for an organic-inorganic nanocomposite and its physical property characterization-
dc.typeConference Paper-
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