VARNISH INCLUDING 2-PHENYL-4,4'-DIAMINODIPHENYL ETHER, IMIDE RESIN COMPOSITION HAVING EXCELLENT MOLDABILITY, CURED RESIN MOLDED ARTICLE HAVING EXCELLENT BREAKING ELONGATION, PREPREG THEREOF, IMIDE PREPREG THEREOF, AND FIBER-REINFORCED MATERIAL THEREOF HAVING HIGH HEAT RESISTANCE AND EXCELLENT MECHANICAL STRENGTH

摘要

Provided is a varnish including 1 to 500 parts by weight of an aromatic tetracarboxylic acid diester (A) represented by General Formula (1), 1 to 450 parts by weight of 2-phenyl-4,4′-diaminodiphenyl ether (B), 1 to 100 parts by weight of a 4-(2-phenylethynyl)phthalic acid monoester (C) represented by General Formula (2), and 100 parts by weight of an organic solvent having a boiling point of 150° C. or less at 1 atmosphere or a mixture of two or more of the organic solvents (D). The components (A), (B), and (C) are dissolved in the varnish.; ;(In the formula, R₁ is an aromatic tetracarboxylic acid diester residue; R₂ and R₃ are the same or different and are an aliphatic organic group or an aromatic organic group.); ;(In the formula, R₄ and R₅ are a hydrogen atom, an aliphatic organic group, or an aromatic organic group.)