Thermoplastic elastomer compositions (TPEs) based on wollastonite-filled SEBS/PP/oil
blends were prepared and characterized. The development of new TPEs with improved
mechanical strength may broaden their applications, especially for soft goods. Wollastonite
is a natural filler that combines high thermal stability with low health hazard in
comparison to other fibrous inorganic fillers. Morphological, thermal and mechanical
properties of the composite materials were studied by transmission electron microscopy
(TEM), thermogravimetry (TGA), tensile tests and dynamic mechanical analysis (DMA). The
results indicate that the filler was mainly distributed as nanoparticles in the PS domains,
improving the mechanical resistance of the materials even at low concentration (2 phr)