| abstract |
(57) [Problem] To provide a composition having low viscosity and excellent fluidity, which becomes a cured product having excellent heat resistance, moisture resistance and flexural modulus. (A) a cyclic skeleton-containing epoxy compound which is liquid at 25 ° C, (B) an acid anhydride which is liquid at 25 ° C, (C) an acrylic thermoplastic polymer having a weight average molecular weight of 100000 or less, (D) A composition comprising a curing catalyst and (E) spherical silica having an average particle size of 2 to 10 μm and a specific surface area of 2 m 2 / g or less, wherein the component (E) is 40 to 85. A composition containing% by mass. |