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PVC composites filled with CaCO3 particles with different diameter (about 40, 80, 500, 25000 nm) were prepared by using a single-screw extruder. The mechanical and rheological properties of the composites were investigated. The results showed that while the diameter of CaCO3 nanoparticles was smaller, the mechanical properties of composites were higher. By adding 40-nm CaCO3 nanoparticles into the...
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