Research Article

Natural Fibre-Reinforced Biofoams

Table 17

PLA-foams tensile properties as a function of the fibre nature, the fibre content, and the fibres surface treatment (CMF1APS) (PLA7000D, 3 wt% CBA2 for biocomposites foams, 4 wt% CBA2 for PLA foam, temperature profile A, screw speed 30 rpm, die temperature 195°C, free cooling)— : yield stress; : elongation at yield stress; : ultimate stress; : ultimate elongation—( ): standard deviation.

Fibre (%wt)Void fraction (%) (MPa) (%) (MPa) (%)

7000D043 (1)17.81 (1.41)7.57 (0.98)16.27 (1.33)8.34 (1.14)
SFC12010 (1)20.12 (2.20)7.07 (0.72)19.89 (2.18)7.15 (0.73)
3021.50 (1.11)7.47 (0.33)21.32 (1.22)7.52 (0.33)
SFC22012 (1)23.7 (1.76)7.30 (0.71)23.59 (1.75)7.34 (0.70)
3018.94 (2.59)6.61 (0.61)18.92 (2.58)6.63 (0.61)
CMF13025 (0)19.69 (1.22)6.94 (0.69)19.55 (1.24)6.98 (0.70)
CMF1APS307 (3)22.95 (3.33)8.77 (0.72)22.92 (3.32)8.79 (0.73)
CMF23017 (1)17.91 (1.69)7.16 (0.50)17.84 (1.68)7.18 (0.51)