Surface Structure of Epoxy Resin Blended with PCL-<em>b</em>-PDMS-<em>b</em>-PCL

Abstract

： Thesurfaceenrichmentandphaseseparationstructuresofepoxyresinandpoly(着鄄caprolactone)鄄block鄄 polydimethylsiloxane鄄block鄄poly(着鄄caprolactone)triblockcopolymer(PCL鄄b鄄PDMS鄄b鄄PCL)blendswerestudiedusing tappingmodeatomicforcemicroscopy(TM鄄AFM)andfrictionalforcemicroscopy(FFM).Frictionandwearproperties showthatthesurfaceisenrichedwiththePDMScomponentanditreachesastablestateataPCL鄄b鄄PDMS鄄b鄄PCL massfractionofabout30%.Contactanglemeasurementsonthesurfacealsosupporttheseresults.