
244 HIGH PERFORMANCE POLYMERS
Figure 10.6 Electroluminescent oxadiazole-
containing polymers [29].
O
N
N
N
N
O
O(CH
2
CH
2
O)
3
OC
12
H
25
C
12
H
25
O
O
N
N
OC
6
H
13
C
6
H
13
O
POOXPV
Alternating oxadiazole--alkoxyphenylene polymer
Poly[(2,5-diphenylene-1,3,4-oxadiazole)-4,4′-vinylene] (OPPV)
O
NN
O
NN
CF
3
CF
3
Poly(phenylene-1,3,4-oxadiazole-phenylene-hexafluoro
isopropylidene)
hydrazide copolymers [34]. The process is conducted
in fuming sulfuric acid.
The oxadiazole group is already present in 2,2
-
(oxydi-4,1-phenylene)bis[5-(4-fluorophenyl)-1,3,4-
oxadiazole], c.f. Figure 10.1. The compound can be
condensed with various naphthalenedioles, such as
1,5-naphthalenediol, to result in PODA types ...