Compound containing imido group, solution of compound containing imido group and method for producing of compound containing imido group

摘要

Provided by the invention is a compound containing an imido group that is obtained by partial hydrolysis of a polyimide molded article, in which the compound has an absorption peak derived from an imido group at wave number of 1375 cm⁻¹, an absorption peak derived from an amide group at wave number of 1600 cm⁻¹, and an absorption peak derived from a carboxyl group at wave number of 1413 cm⁻¹ in the IR spectrum chart obtained by IR spectroscopic measurement.