Thermal behavior of sodium alginate and its grafted copolymer NaAlg-g-PNVI.
| Polymer/hydrogel | Initial decomposition temp. (IDT) (°C) | Temp. wt. loss 20% | Wt. loss (%) at 350 °C |
|---|---|---|---|
| Sodium alginate | 225 | 253 | 26 |
| NaAlg-g-PNVI | 200 | 316 | 23 |
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