A high dielectric constant barium titanate / polymer composite material and its preparation method

The present invention discloses a high-dielectric constant barium titanate / polymer composite material and its preparation method; the composite contains the following components in percentages by volume: 1 ~ 60% monocytes, the inner shell 3 ~ 30% to 80% of the housing 20, the mononuclear barium titanate ceramic particles, the inner shell is a polyamide having a high dielectric constant, the dielectric constant of the lower housing polymethyl methacrylate . The present invention further relates to the aforementioned method of preparing a composite material, the composite material of the present invention to monocytes aminosilane surface treatment, the introduction of organic functional groups, and then sequentially into different monomer solution to obtain a core - shell between - shell covalently connecting the composite structure, said composite material having a high dielectric constant, low dielectric loss, wherein the inorganic particles are uniformly distributed; composite of the invention suitable for preparation of embedded capacitors, high energy storage capacitor, field The emitter of transistor and other advanced electrical and electronic equipment.