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The polyimide/barium titanate (BaTiO 3 ) composites were successfully synthesized through a colloidal process. In this process, the preparing suspension of fine BaTiO 3 particles in poly(amic acid) solution, the film casting of the suspension, and the imidization with heat treatment are involved in sequence. Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD),...
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