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The piezoresistive sensitivity (Unit: %kPa−1) of the raw MWNT/PU and m-MWNT/PU composites over a certain pressure range.
| Types of Sensor | Corresponding Pressure | |||
|---|---|---|---|---|
| 0–1 kPa | 1–10 kPa | 10–15 kPa | 15–63 kPa | |
| 1 wt % raw MWNT/PU |
8.372 | 6.273 | 3.06 | 0.604 |
| 5 wt % raw MWNT/PU |
5.218 | 5.057 | 2.758 | 0.491 |
| 1 wt % m-MWNT/PU | 4.282 | 3.359 | 1.88 | 1.568 |
| 5 wt % m-MWNT/PU | 3.349 | 3.3 | 1.861 | 1.072 |
