Thenon-isothermalcrystallizationkineticsofpolyamide6/diamine-modifiedmulti-walledcarbonnanotube(PA6/D-MWNT)nanocompositewasinvestigatedbydifferentialscanningcalorimetry(DSC).ThemodifiedAvramiequation,theOzawaequationandthecombinedAvrami/Ozawaequationwereemployedtoanalyzethenon-isothermalcrystallizationdata.ThecrystallizationactivationenergieswerealsoevaluatedbytheKissingermethod.ItwasfoundthatthecombinedAvrami/Ozawaequationcouldsuccessfullydescribethenon-isothermalcrystallizationprocess.TheresultsshowedthatD-MWNTsnotonlyactedaseffectivehetero-geneousnucleatingagentsforPA6andnoticeablyincreasedthecrystallizationtemperatureofPA6,butalsoinfluencedthemechanismofnucleationandcrystalgrowthofPA6andthenreducedtheoverallcrystallizationrateoftheneatPA6matrix.ThecrystallizationactivationenergyforthenanocompositesamplewasgreaterthanthatoftheneatPA6,whichindicatedthattheadditionofD-MWNTshinderedthemobilityofPA6chainsegments.
