| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a coating composition capable of forming a cured article with high elasticity and superior heat stability, and to provide a coated optical fiber with well balanced heat stability of the optical transmission properties and flexibility. <P>SOLUTION: The coating composition for optical fiber comprises (A) an unsaturated polyester oligomer having substantially two or more (meth)acryloyl groups in a molecule wherein a glass transition temperature of a cured substance thereof is 100 to 350°C, (B) at least one oligomer selected from the group consisting of the following components: (B-a) epoxy modified (meth)acrylate oligomer, (B-b) polyether polyol modified (meth)acrylate oligomer, and (B-c) urethane polyether polyol modified (meth)acrylate or urethane polyester polyol modified (meth)acrylate; and (C) a photopolymerization initiator, as essential components. <P>COPYRIGHT: (C)2004,JPO&NCIPI</p> |
