Provided are: a polyimide precursor composition that exhibits excellent tensile strength and breaking elongation, and that provides a film containing an alicyclic polyimide resin; a method for producing a polyimide film using the polyimide precursor composition; and a permanent film that contains an alicyclic polyimide resin and that exhibits excellent tensile strength and breaking elongation. The polyimide precursor composition that is used is a mixture of: a resin precursor component (B) selected from a polyamic acid including an alicyclic backbone having a predetermined structure, and a monomer component that includes an aromatic diamine compound having a predetermined structure and an alicyclic tetracarboxylic acid di-anhydride having a predetermined structure; an imidazole compound (A) having a predetermined structure; and a solvent (S).
本发明提供了:一种聚
酰亚胺前体组合物,该组合物具有优异的拉伸强度和断裂伸长率,并提供一种含有脂环族聚
酰亚胺树脂的薄膜;一种使用该聚
酰亚胺前体组合物生产聚
酰亚胺薄膜的方法;以及一种含有脂环族聚
酰亚胺树脂且具有优异的拉伸强度和断裂伸长率的永久性薄膜。使用的聚
酰亚胺前体组合物是以下物质的混合物:选自包括具有预定结构的脂环族骨架的聚酰胺酸的
树脂前体组分(B),以及包括具有预定结构的芳香族二胺化合物和具有预定结构的脂环族四
羧酸二酐的单体组分;具有预定结构的
咪唑化合物(A);以及溶剂(S)。