Research Article
Wettability Investigation of UV/O3 and Acid Functionalized MWCNT and MWCNT/PMMA Nanocomposites by Contact Angle Measurement
Table 6
Surface energy calculation of treated MWCNT/PMMA nanocomposites using CQC model.
| Sample | (mJ/m2) | (mJ/m2) | (mJ/m2) | (mJ/m2)1/2 | (mJ/m2) 1/2 | Nature |
| Pure PMMA | 12.46 | 10.10 | 2.36 | 1.06 | −2.22 | Amphoteric | UV/O3 30 min | 22.58 | 20.32 | 2.26 | 1.08 | −2.09 | Amphoteric | UV/O3 60 min | 163.12 | 26.35 | 9.47 | 5.02 | −3.82 | Amphoteric | UV/O3 120 min | 147.16 | 2.64 | 4.52 | 1.50 | −3.00 | Amphoteric | Acid 6 hours | 12.52 | 5.10 | 7.41 | 1.71 | −4.32 | Amphoteric | Acid 12 hours | 19.63 | 7.36 | 12.26 | 2.67 | −4.58 | Amphoteric | Acid 24 hours | 23.11 | 11.07 | 12.03 | 4.47 | −2.68 | Amphoteric |
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