Polyarylether nitrile / dissaving phthalocyanine copper dielectric film and preparation method thereof

The invention belongs to the field of high polymer dielectric material, in particular to a polyarylether nitrile / dissaving phthalocyanine copper dielectric film and a preparation method thereof. The polyarylether nitrile / dissaving phthalocyanine copper dielectric film of the invention is acquired by forming film after mixing polyarylether nitrile, bis phthalonitrile and cuprous chloride. The weight ratio between the sum of the weight of the bis phthalonitrile and cuprous chloride and the weight of the polyarylether nitrile is 10 to 40: 60 to 90. The mole ratio of the bis phthalonitrile and the cuprous chloride is 2.5 to 3.5: 0.5 to 1.5. The polyarylether nitrile / dissaving phthalocyanine copper dielectric film of the invention is uniform and compact, has excellent dielectric propertyand mechanical property, and solves the problems of the prior art that the dielectric loss is high and the mechanical property of the film is decreased due to over-high padding.