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Table 1 Summary of the tensile strength (TS), Young’s modulus (E), toughness (T), strain-at-break (γ), swelling and water vapor transmission rates (WVTR) of polyurethane (PU) films, PU film containing 0.01 % wt % MWNT (PU-MWNT01), PU film containing 0.04 % wt % MWNT (PU-MWNT04), and PU film containing 0.08 % wt % MWNT (PU-MWNT08)

From: Palm kernel oil-based polyester polyurethane composites incorporated with multi-walled carbon nanotubes for biomedical application

Sample TS (MPa) E (MPa) T (J g−1) γ (%) Swelling (%) WVTR (g m−2 d−1)
PU 0.96 ± 0.3 1.28 ± 0.4 0.46 ± 0.2 102 ± 9 23 ± 1.5 269 ± 16
PU-MWNT01 2.11 ± 0.3 3.25 ± 0.4 0.89 ± 0.2 132 ± 11 22 ± 0.5 254 ± 14
PU-MWNT04 2.45 ± 0.2 3.92 ± 0.3 0.95 ± 0.2 113 ± 7 21 ± 0.8 229 ± 14
PU-MWNT08 4.00 ± 0.2 4.35 ± 0.1 1.73 ± 0.1 95 ± 3 17 ± 0.2 181 ± 12