| abstract |
(Problem) Provides the resin composition which can form the cured film excellent in extending | stretching physical property, the polymer suitable as a containing component of the said composition, the cured film formed from the said composition, and the electronic component which has the said cured film. (Solution means) (A) A resin composition containing a polymer having a structural unit represented by formula (a1) and a structural unit represented by formula (a2), and a solvent (F): [In formula (a1), some R < 1> represents a hydrogen atom or a hydroxyl group each independently, provided that at least 1 of R < 1> is a hydroxyl group; R 2 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms; In formula (a2), some R < 3> represents a group or a hydrogen atom which respectively independently has a cationically polymerizable group, and at least 1 of R < 3> is group which has a cationically polymerizable group; R 4 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms.]. |