Table 1 The composition of the xerogels.
Ingredients | Composition percentage (%) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
X1 | X2 | X3 | X4 | X5 | X6 | X7 | X8 | X9 | X10 | X11 | X12 | |
CHT MMW | 3 | 0 | 3 | 3 | 0 | 0 | 3 | 0 | 3 | 3 | 0 | 0 |
CHT HMW | 0 | 3 | 0 | 0 | 3 | 3 | 0 | 3 | 0 | 0 | 3 | 3 |
PEG MMW | 0 | 0 | 10 | 0 | 10 | 0 | 0 | 0 | 10 | 0 | 10 | 0 |
PEG HMW | 0 | 0 | 0 | 10 | 0 | 10 | 0 | 0 | 0 | 10 | 0 | 10 |
DH | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 |
