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. 2017 Oct 26;9(11):557. doi: 10.3390/polym9110557

Table 5.

Mechanical properties of cellulose nanopapers prepared from CNF with 4 different carboxylic contents.

Sample σtNP (MPa) εtNP (%) EtNP (GPa) Transmittance at 700 nm (%) Porosity (%) Density (g/cm3)
CNF-2 54.7 ± 1.8 1.5 ± 0.08 11.05 ± 0.5 27.6 ± 1.05 26.5 ± 2.3 1.15
CNF-6 99.1 ± 3.2 1.98 ± 0.12 11.97 ± 0.3 52.3 ± 1.1 13.2 ± 1.9 1.31
CNF-10 128.3 ± 2.4 2.38 ± 0.14 12.40 ± 1.0 71.5 ± 1.9 6.9 ± 1.8 1.40
CNF-15 145.9 ± 4.3 2.60 ± 0.07 13.0 ± 0.5 79.9 ± 1.5 4.0 ± 2.0 1.44