| 摘要 |
<p>A split type optical fiber tape core, wherein a plurality of optical fiber cores disposed to be parallel with one another are together covered with a coating resin in one piece, to form an optical fiber tape core, and a plurality of such optical fiber tape cores are disposed to be parallel with one another and together covered with a connecting coating resin, wherein the connecting resin is formed by curing an ultra-violet curable resin composition satisfying the requirement represented by the formula (1): 1.0 X 10-4 ≤ (W • N/100M¿w?) ≤ 4.0 X 10?-4¿ (1) wherein W represents a compounding proportion (wt %) for a urethane acrylate compound contained in the resin composition, N represents the number of urethane groups in the urethane acrylate compound, and M¿w? represents the average molecular weight of the urethane acrylate compound.</p> |
