Effect of hydrophilic/hydrophobic nanostructured tio2 on space charge and breakdown properties of polypropylene

HIGHLIGHTS

• who: Jun-Guo Gao and colleagues from the froze it in liquid nitrogen for , min to make it brittleSubsequently, we sprayed gold on the fracture surface to avoid charge accumulation during the observation. The crystallization degree of the sample was characterized by the Polarizing Microscope (PLM, LeicaDM2500, Leica Microsystems, Wetzlar, Germany). Since PP is a semicrystalline polymer, at a specific temperature, it grows into a spherocrystal symmetrically around the crystal nucleus. Spherocrystal has optical anisotropy and can refract light. Polypropylene is a polymer with crystalline and amorphous regions. The crystal form of PP is influenced by crystallization . . .
  

   

  

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