| 摘要 |
<p>Provided is a polymer comprising a repeating unit of formula (1): <CHEM> wherein A<1> represents a divalent group in which the bond distance ratio (bond distance of C( alpha )-A<1> / bond distance of C( alpha )-C( beta )) is 1.10 or more; R<1>, R<2>, R<3>, R<4>, R<5>, and R<6>, each independently represent a hydrogen atom, alkyl group, alkyloxy group, aryloxy group, arylalkyloxy group, etc. The polymer is useful as a light-emitting material, a charge transporting material, etc.</p> |
