| 摘要 |
<p>PURPOSE: A curable composition is provided to have excellent processability and workability and to have excellent photo extraction efficiency, crack resistance, hardness, impact resistance, and adhesion. CONSTITUTION: A curable composition comprises an organopolysiloxane which has an average composition represented by chemical formula 1; and an organopolysiloxane which includes an alkenyl group, an epoxy group, and an aryl group. In chemical formula 1, R^1 is a C2 or more monovalent hydrocarbon group; R^2 is a C1-4 alkyl group; each of R^3 and R^4 is a C1-20 alkyl group, a C2-20 alkenyl group, or a C6-25 aryl group; R^5 is a C1-20 alkyl group or a C6-25 aryl group; each of R^1, R^3, and R^4 is an alkenyl group; each of a and c is a positive number; each of b and d is 0 or a positive number; and each of b/a and b/c is 5 or more.</p> |
