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Magnetic nanofibrous composite membranes were electrospun from the mixtures of poly(acrylonitrile-co-acrylic acid) (PANCAA) and Fe 3 O 4 nanoparticles. Field emission scanning electron microscopy (FESEM) and thermal gravimetric analysis (TGA) were used to characterize the composite membranes. TGA results indicate that the addition of Fe 3 O 4 nanoparticles catalyzes...
To develop the polymer-based materials with high dielectric constant and thermal stability, Li and Ti doped NiO (LTNO) particles with super high dielectric constant (ε) were dispersed into pyromellitic dianhydride (PMDA) and 4, 4′-oxydianiline (ODA)-based polyimide. Through mixing LTNO particles with the poly(amic acid) precursor solution, casting film and following thermal curing, the polyimide/LTNO...
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