Table 2.
Methacrylic acid grafting parameters on CMS-chitosan∗.
| Grafting Parameters | Methacrylic Acid Concentration (g/g CMS-chitosan) |
||
|---|---|---|---|
| 0.275 | 0.550 | 0.825 | |
| Biohydrogel: Carboxymethyl sago starch-chitosan | |||
| Grafting Yield (%) | 14.85 ± 0.22a | 46.12 ± 0.91c | 36.76 ± 0.90b |
| Grafting Efficiency (%) | 83.81 ± 1.34a | 85.62 ± 2.63ab | 88.37 ± 1.76b |
| Monomer conversion (%) | 64.46 ± 0.62b | 98.04 ± 1.15c | 50.45 ± 0.27a |
| Biohydrogel: Carboxymethyl cassava starch-chitosan | |||
| Grafting Yield (%) | 16.31 ± 0.27a | 47.09 ± 0.64c | 37.19 ± 0.30b |
| Grafting Efficiency (%) | 84.37 ± 2.35a | 86.75 ± 1.08ab | 89.21 ± 0.65b |
| Monomer conversion (%) | 70.35 ± 1.16b | 98.80 ± 0.17c | 50.57± 0.07a |
∗ indicates that means within a row related to particular parameter with the same superscript letter are not significantly different as α=0.05 confidence level.