| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a novel polymer which has outstanding mechanical properties and outstanding optical characteristics. <P>SOLUTION: The novel polymer has a repeating unit shown by Formula (1). In the formula, R<SP POS="POST">1</SP>denotes a single bond or a substituted or unsubstituted 1C-20C divalent hydrocarbon group, and R<SP POS="POST">2</SP>denotes a substituted or unsubstituted 1C-20C divalent hydrocarbon group. <P>COPYRIGHT: (C)2012,JPO&INPIT |
