Polyester having π-conjugated group in side chain and charge transporting material using the same
申请人:Japan Science and Technology Corporation
公开号:US07235620B2
公开(公告)日:2007-06-26
A polyester expressed by the following structural formula 1, and a charge transport material obtained by adding an electron acceptor compound or an electron donor compound to this polyester.
In the aforesaid structural formula, Ar is an aromatic group and this aromatic group may contain a heterocyclic ring.
R1 is a carbon atom or absent (direct bond), R2–R9 are hydrogen atoms, electron donor groups or electron attracting groups, R20, R21 are hydrogen atoms or organic groups, X is a hetero atom, hetero atom-containing group, organic group or absent (direct bond), and m is an integer equal to 2 or more.
以下是结构式1所表示的聚酯,以及通过向该聚酯中添加电子受体化合物或电子供体化合物获得的电荷传输材料。在上述结构式中,Ar是芳香基团,该芳香基团可以包含杂环。R1是碳原子或不存在(直接键),R2-R9是氢原子、电子供体基团或电子吸引基团,R20、R21是氢原子或有机基团,X是杂原子、含杂原子基团、有机基团或不存在(直接键),m是等于2或更多的整数。