A vinyl polymer having a 9,10-substituted anthracene structure which is a stable structure with a high solid quantum efficiency is obtained from a vinyl monomer having a group derived from the structure of formula (1) wherein n
1
is an integer of 1 to 3, each of X
1
, X
2
, X
3
and X
4
is a substituent group, k
1
and k
4
are integers of 0 to 5, and k
2
and k
3
are integers of 0 to 4. An organic EL device comprising an organic layer containing the vinyl polymer becomes a molecule dispersed type organic EL device featuring a high efficiency and a long life.
1
从具有9,10-取代
蒽环结构的
乙烯单体中获得了一种聚
乙烯基聚合物,该结构稳定且具有高固体量子效率。该
乙烯单体具有从式(1)的结构中派生的基团,其中n1是1至3的整数,X1、X2、X3和X4中的每一个均为取代基,k1和k4是0至5的整数,k2和k3是0至4的整数。含有该聚
乙烯基聚合物的有机EL器件成为分子分散型有机EL器件,具有高效率和长寿命。