申请人:DOI Shuji
公开号:US20120008068A1
公开(公告)日:2012-01-12
A polymer compound comprising a repeating unit of below formula (1) or (2), and having a polystyrene reduced number average molecular weight of 10
3
to 10
8
,
(wherein, Ar
1
and Ar
2
each independently represent a trivalent aromatic hydrocarbon group or a trivalent heterocyclic group. X
1
and X
2
each independently represent O, S, C(═O), S(═O), SO
2
, C(R
1
)(R
2
), Si(R
3
)(R
4
), N(R
5
), B(R
6
), P(R
7
) or P(═O)(R
8
). X
1
and X
2
are not the same. X
1
and Ar
2
bond to adjacent carbons in the aromatic ring of Ar
1
, and X
2
and Ar
1
bond to adjacent carbons in the aromatic ring of Ar
2
),
(wherein, Ar
3
and Ar
4
each independently represent a trivalent aromatic hydrocarbon group or a trivalent heterocyclic group. X
3
and X
4
each independently represent N, B, P, C(R
9
) or Si(R
10
). X
3
and X
4
are not the same. X
3
and Ar
4
bond to adjacent carbons in the aromatic ring of Ar
3
, and X
4
and Ar
3
bond to adjacent carbons in the aromatic ring of Ar
4
.).