Barium Titanate Particles Incorporated in Polyetherimide Based Composite Films with Enhanced Remnant Polarization and Methods of Making Same

摘要

A method of making a solvent cast polymer composite film comprising (a) contacting barium titanate, a titanate coupling agent (TCA) and a mixing solvent to form a barium titanate and TCA solution; (b) dispersing at least a portion of the barium titanate and TCA solution to form TCA treated barium titanate; (c) contacting at least a portion of the TCA treated barium titanate with a polyetherimide and a casting solvent to form a polymer composite casting solution; (d) casting at least a portion of the polymer composite casting solution onto a casting substrate to form a solvent cast polymer composite solution; and (e) curing at least a portion of the solvent cast polymer composite solution to form the solvent cast polymer composite film.