Table 3 Elements analysis on the surface of SPF/TPU composites.
Concentration of NaOH | Element | Weight% | Weight% σ | Atomic % |
|---|---|---|---|---|
0% NaOH | Carbon | 58.635 | 0.628 | 65.487 |
Oxygen | 40.702 | 0.630 | 34.127 | |
Natrium | − | – | – | |
2% NaOH | Carbon | 58.265 | 0.649 | 65.275 |
Oxygen | 40.263 | 0.653 | 33.86 | |
Natrium | 1.472 | 0.115 | 0.862 | |
4% NaOH | Carbon | 56.982 | 0.549 | 64.112 |
Oxygen | 41.276 | 0.553 | 34.865 | |
Natrium | 1.741 | 0.103 | 1.024 | |
6% NaOH | Carbon | 55.629 | 0.697 | 62.845 |
Oxygen | 42.523 | 0.702 | 36.064 | |
Natrium | 1.848 | 0.132 | 1.091 |
