申请人:Ye Qing
公开号:US20080138625A1
公开(公告)日:2008-06-12
The invention provides compounds of formula I
wherein R is H or alkyl;
R
1
, R
2
, and R
4
are independently at each occurrence a C
1
-C
20
aliphatic radical, a C
3
-C
20
aromatic radical, or a C
3
-C
20
cycloaliphatic radical; R
3
and R
5
are independently at each occurrence hydrogen, a C
1
-C
20
aliphatic radical, a C
3
-C
20
aromatic radical, or a C
3
-C
20
cycloaliphatic radical; and
a, b and d are independently 0 or an integer ranging from 1 to 3. The invention further provides polymers derived from compounds of formula I, said polymers may be polyesters, polyethers, polycarbonates, polyestercarbonates, polyetherketones, polyethersulfones, and the like. Compounds and polymers of the invention find use in light emitting devices.
该发明提供了以下式I的化合物其中R为H或烷基;R1、R2和R4在每次出现时独立地为C1-C20脂肪基、C3-C20芳香基或C3-C20环脂肪基;R3和R5在每次出现时独立地为氢、C1-C20脂肪基、C3-C20芳香基或C3-C20环脂肪基;a、b和d独立地为0或范围从1到3的整数。该发明还提供了从式I的化合物衍生的聚合物,这些聚合物可以是聚酯、聚醚、聚碳酸酯、聚酯碳酸酯、聚醚酮、聚醚砜等。该发明的化合物和聚合物在发光器件中得到应用。