| abstract |
[PROBLEMS] To provide a curable resin composition having transparency, flexibility, moisture and heat resistance, excellent curability, workability, and environment resistance, and useful for producing an optical / electrical hybrid substrate requiring particularly high heat resistance. Offer things. A resin composition comprising an alicyclic diepoxy compound (A), a polyol (B) having a number average molecular weight of 400 or more, and an active energy ray-sensitive catalyst (C), wherein (A) is represented by the formula ( 1) And a content of an isomer of the compound is 20% or less. [Selection figure] None |