Composition, coated film formed of the composition, layered product containing the coated film, and electronic device incorporating the layered product

Abstract

[Object] To provide a composition that has good viscosity stability and flowability at the time of processing, good shape retention after the processing, and good drying property in a temperature range of not degrading the conductor layer at the time of drying and that enables a coated film excellent in strength of adhesion with metal·polyimide, flame resistance, heat resistance, flexibility, mechanical properties, and chemical resistance to obtained after being dried. [Overcoming Means] The composition of the invention contains (A) polyimide and (B) mixed solvent of two kinds or more, and the solubility parameter of the mixed solvent of two kinds or more ranges from 9 to 14.

Dependencies are inferred from the claim text.