Table 2.
Physical properties of cellulose nanofibers at different carboxyl content.
| Sample | Yield of Fibrillation (%) | Transmittance at 600 nm (%) | Water Retention Value (g/g) | Specific Surface (m2/g) | Diameter (nm) |
|---|---|---|---|---|---|
| CNF-2 | 90.02 ± 0.3 | 59 | 3.9 ± 0.3 | 172.4 | 14.50 |
| CNF-3 | 91.27 ± 0.5 | 66 | 4.8 ± 0.5 | 149.5 | 16.72 |
| CNF-4 | 92.53 ± 0.3 | 68 | 6.8 ± 0.2 | 180.2 | 13.87 |
| CNF-5 | 93.01 ± 0.2 | 70 | 8.2 ± 0.3 | 172.4 | 14.50 |
| CNF-6 | 94.87 ± 0.4 | 76 | 8.4 ± 0.1 | 220.6 | 11.33 |
| CNF-8 | 97.03 ± 0.3 | 78 | 9.3 ± 0.4 | 231.3 | 10.81 |
| CNF-10 | 97.69 ± 0.1 | 80 | 10.8 ± 0.2 | 285.9 | 8.75 |
| CNF-15 | 98.88 ± 0.4 | 83 | 11.4 ± 0.4 | 317.0 | 7.89 |