| 摘要 |
<p>A curable resin composition for optical fiber coating exhibiting excellent stability in the liquid state and producing cured products having low tendency to stick in spite of its low Young's modulus. The composition is suitable for use as a coating material requiring a low Young's modulus. The composition, preferably comprises (1) 30-80 parts by weight of urethane (meth)acrylate obtained by reacting (A) a polyol compound, (B) a polyisocyanate compound, and (C) a hydroyxl group-containing (meth)acrylate compound, (2) 0.01-10 parts by weight of a polydimethylsiloxane compound which contains a urethane bond and a (meth)acryloyl group in the molecule, and (3) 10-70 parts by weight of a polymerizable diluent containing a polymerizable monofunctional vinyl monomer which can copolymerize with the component (1) and component (2), provided that the total of the component (1), component (2), and component (3) is 100 parts by weight.</p> |
