| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a curable resin composition which can give a cured product causing no breaking and cracking during curing and having high surface hardness, and a cured product which is useful for various uses, such as optical materials. <P>SOLUTION: The curable resin composition includes a polysiloxane compound and a vinyl compound. The vinyl compound contains an urethane (meth)acrylate compound, and the polymerizable double bond concentration in solid of the curable resin composition is 3.0 mmol/g or less. <P>COPYRIGHT: (C)2013,JPO&INPIT |
