AbstractTetracyanoquinodimethane salts have been incorporated into insulating polymers to raise their dielectric constants. Cast films prepared from mixtures of insulating polymers and tetracyanoquinodimethane salts in a solvent show a high dielectric constant (>20). The dielectric constant of the films varies with the tetracyanoquinodimethane salts. High values were attained with the films containing high‐conducting tetracyanoquinodimethane salts. These values remain constant over a range of frequencies (102–104Hz). Dissipation factors and electric strength values of the films are also repor
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