Polymer comprising phenyl pyridine units
View Patent ↗The invention relates to a polymer comprising structural unit of formula II: wherein R 1 , R 2 , R 3 , R 4 , R 5 , R 6 and R 7 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; a, b, d, e and f are independently at each occurrence 0, or an integer ranging from 1 to 4; c and g are independently at each occurrence 0, or an integer ranging from 1 to 3. In another aspect, the invention relates to monomers for preparing the polymers. In yet another aspect, the invention relates to an optical electronic device comprising a polymer comprising structural unit of formula II.
1. A polymer comprising structural unit of formula II
wherein
R 1 , R 2 , R 3 , R 4 , R 5 , R 6 and R 7 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;
a, b, d, e and f are independently at each occurrence 0, or an integer ranging from 1 to 4; and
c and g are independently at each occurrence 0, or an integer ranging from 1 to 3.
2. The polymer of claim 1 , additionally comprising structural units derived from at least one monomer containing a non conductive group.
3. The polymer of claim 1 , additionally comprising structural units derived from at least one monomer comprising a heteroaromatic electron transporting group.
4. The polymer of claim 3 , wherein the heteroaromatic electron transporting group is selected from phenyl pyridines, triazines, and oxathiazoles.
5. The polymer of claim 1 , additionally comprising structural units derived from at least one monomer comprising an aromatic or heteroaromatic hole transporting group.
6. The polymer of claim 5 , wherein the aromatic or heteroaromatic hole transporting group is selected from carbazoles and triarylamines.
7. The polymer of claim 1 , additionally comprising structural units derived from at least one monomer comprising at least one light emitting group.
8. The polymer of claim 7 , wherein the at least one light emitting group is derived from a vinyl-functional phosphorescent dye.
9. The polymer of claim 1 , comprising structural units of formula
10. The polymer of claim 1 , additionally comprising structural units derived from styrene.
11. The polymer of claim 1 , additionally comprising structural units derived from vinyl pyridine.
12. The polymer of claim 1 , comprising structural units derived from vinyl phenyl pyridine.
13. The polymer of claim 1 , comprising structural units derived from vinylphenylcarbazole.
14. An optical electronic device comprising a polymer comprising structural units of formula II
15. The optical electronic device of claim 14 , wherein the optical electronic device is a single layer OLED.
16. The optical electronic device of claim 15 , comprising one or more, any or a combination of blue, yellow, orange, red phosphoresce dyes.
17. The optical electronic device according to claim 14 , wherein the polymer additionally comprises structural units derived from styrene.
18. The optical electronic device according to claim 14 , wherein the polymer additionally comprises structural units derived from vinyl pyridine.
19. The optical electronic device according to claim 14 , wherein the polymer additionally comprises structural units derived from vinyl phenyl pyridine.
20. The optical electronic device according to claim 14 , wherein the polymer additionally comprises structural units derived from vinyl phenyl carbazole.
21. An optical electronic device comprising a polymer comprising structural units of formula
22. A compound of formula