abstract |
The present invention is: a curable composition comprising a component (A) and a component (B) in a mass ratio (component (A):component (B)) of 100:0.3 to 100:90, the component (A) being a silane compound polymer that is represented by a formula (a-1), wherein R 1 is a group selected from an alkyl group having 1 to 20 carbon atoms, a cycloalkyl group having 3 to 10 carbon atoms, and a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, Z is a hydroxyl group, an alkoxy group having 1 to 10 carbon atoms, or a halogen atom, m is a positive integer, and n and o are independently 0 or a positive integer, provided that a plurality of R 1 are either identical or different, and a plurality of Z are either identical or different, and the component (B) being a silane coupling agent that comprises an isocyanurate skeleton in its molecule. n n (R 1 SiO 3/2 ) m (R 1 SiZO 2/2 ) n (R 1 SiZ 2 O 1/2 ) o (a-1) |