
392 Engineering of Polymers and Chemical Complexity
0
1
2
3
4
5
6
020406080100 120140 160
Release Rate (mgL-1/g of ZMP
Nanocontainer.min)
pH 2
pH 4
0
0.0005
0.001
0.0015
0.002
0.0025
0.003
0.0035
0.004
020406080 100 120 140 160
Release Flux (mg.L
-1
/g of ZMP
Nanocontainer.cm
2
.min)
pH 2
pH 4
pH 7
pH 9
(B)
FIGURE 7 (A) Release rate and (B) Release flux of benzotriazole from ZMP nanocontainers
at different pH values.
The diffusive ability of the benzotriazole in pH environment was estimated by the
equation as follows