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AssigneeSabic Global Technologies B.V.
InventorsWazed ALI, Redha BELLA, Theo HOEKS, Susanta MITRA
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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.
A method of making a solvent cast polymer composite film comprising:
A solvent cast polymer composite film comprising a titanate coupling agent (TCA) treated barium titanate and polyetherimide, wherein the solvent cast polymer composite film has a top surface and a bottom surface, wherein a difference between a top surface barium concentration and a bottom surface barium concentration is less than about 30%, and wherein the surface barium concentration is determined by elemental analysis via scanning electron microscopy.
Dependencies are inferred from the claim text.