Composition for film formation, coating solution containing the same and electronic device having insulating film obtained by using the coating solution

摘要

A composition for a film formation, the composition obtained by a Diels-Alder reaction of at least one compound (A) having two or more 2-pyrone groups with at least one compound (B) having two or more dienophile functional groups, wherein the composition satisfies at least one of a condition (a) and a condition (b): condition (a): said at least one compound (A) includes a compound having three or more 2-pyrone groups; and condition (b): said at least one compound (B) includes a compound having three or more dienophile functional groups.