Table 2.
d-Spacing and crystallinity index (CrI) of BC, oxBC, and their composites with Col determined through XRD analysis, and the absorbance ratio at 1228 and 1441 cm−1, and amide A and amide I through FT-IR analysis.
| Sample x | d-Spacing (nm) | CrI (%) | A1228/A1441 | AAmide A /AAmide I |
||
|---|---|---|---|---|---|---|
| 110 | 110 | 200 | ||||
| d1 | d2 | d3 | ||||
| Col | – | – | – | – | 1.04 | 1.27 |
| BC | 6.06 | 5.52 | 3.92 | 86.0 | – | – |
| BC/Col | 6.05 | 5.22 | 3.86 | 85.7 | 0.93 | 1.83 |
| BC/Col/TGWM15 | 6.03 | 5.41 | 3.90 | 85.8 | 0.97 | 1.36 |
| BC/Col/TGWM120 | 6.01 | 5.43 | 3.86 | 85.3 | 0.97 | 1.28 |
| BC/Col/TGGS15 | 6.13 | 5.43 | 3.92 | 87.5 | 1.01 | 0.96 |
| BC/Col/TGGS120 | 6.05 | 5.32 | 3.89 | 86.2 | 0.97 | 0.66 |
| oxBC | 6.09 | 5.21 | 3.89 | 79.1 | 0.99 | – |
| oxBC/Col | 5.99 | 5.34 | 3.89 | 82.2 | 0.93 | 1.63 |
x BC/Col/TGWM15 and BC/Col/TGWM120–BC/Col cross-linked with TGWM for 15 and 120 min, respectively; BC/Col/TGGS15, and BC/Col/TGGS120–BC/Col cross-linked with TGGS for 15 and 120 min, respectively.