| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an optical film having good heat resistance. <P>SOLUTION: The optical film includes: a resin containing a structural unit derived from polyurethane urea obtained by reacting polyol (A), polyisocyanate (B), polyamine (C) and a hydroxyl group-containing acrylic compound (D); and a photopolymerization initiator, and the weight-average molecular weight of the polyurethane urea is 70,000 to 110,000. <P>COPYRIGHT: (C)2011,JPO&INPIT |
