Chemistry Reference
In-Depth Information
Han et al. [
79
] reported preparation of highly conductive and thermally stable, self doping
propylthiosulfonated polyanilines. The polymer was illustrated as follows:
H
H
N
N
N
H
H
S
S
S
O
O
S
O
SO
3
SO
3
H
Thematerial was found to be a better conductor than sulfonated polyaniline andmore thermally stable.
Poly(phenyl vinylene)
can be synthesized by several routes. One of them is step growth polymer-
ization [
80
] by the Witting reaction:
PPh
3
CHO
+
n
n
n
OHC
PPh
3
There are several other routes to poly(phenyl vinylene). One of them is through a metathesis ring
opening polymerization:
Si
n
Shrock cataly
st
Δ
n
OSi(CH
3
)
2
C
4
H
5
+
n HO
Si
n
The polymer can be doped with iodine, acids, and ferric chloride. Alkoxy-substituted poly(phenyl
vinylene) is easier to oxidize and exhibits higher conductivity.
