The Dispersion Effect of Carbon Nanotubes on the Viscoelastic Properties of Epoxy by Perez Model

Thisarticledescribestheadditionofmulti-walledcarbonnanotubes(MWCNT)intotheepoxyaswell asdispersingmediaduringfabricationwereusedasfactorstoinvestigatetheviscoelasticproperties ofepoxy/MWCNTnanocomposite.Thequalityofthedispersionwasevaluatedthroughstudyingthe rheologicalandviscoelasticproperties.ThePerezmodelwasthenappliedtoanalyzetheviscoelastic behavior.Also,activationenergyoftheglasstransitionrelaxationwascalculated.Moreover,scanning electronmicroscopywasusedtocharacterizethedispersionstateofMWCNT.Theresultsshowed thatthebestrheologicalandviscoelasticpropertieswereobtainedfor1wt.%MWCNTdispersedin epoxyinthepresenceofsolvent. KEywoRDS Carbon Nanotubes, COLE-COLE Diagram, Dispersion Media, Nanocomposites, Perez Model, Viscoelastic

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