Abstract:This study mainly focuses on the formation of isotactic polypropylene (iPP) blend morphologies with microspheres and distinct bead-string spherulites. iPP microspheres have been prepared by a simple and convenient strategy through either an isothermal or a nonisothermal crystallization process based on the macrophase-separated structure in molten state of iPP/olefin block copolymer (OBC) blend. The dimension of the iPP spheres can be adjusted easily from about 1 mm to >10 mm by controlling the compatibility an… Show more
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