POLYIMIDE FILM, POLYIMIDE VARNISH, PRODUCT USING POLYIMIDE FILM, AND LAMINATE

摘要

To provide: a polyimide film which is colorless and transparent and has excellent toughness, while containing a polyimide that has good solubility in a solvent and excellent processability; a polyimide varnish; a product which uses the polyimide film; and a laminate. This polyimide film is characterized by: containing a polyimide represented by general formula (1); and comprising, as the A moiety in general formula (1), a structure represented by general formula (A-1) and, for example, a structure represented by general formula (A-5). In general formula (1), A represents a divalent organic group; B represents a tetravalent organic group; and n represents a number of 2 or more.)