Natural Fibre-Reinforced Biofoams

Table 16

Cell dimensions (𝑑_𝑛, 𝑑_𝑤), cell density (𝑁_𝑐), cell size polydispersity (PDI), cell-wall thickness (δ), and open-cell ratio (𝐶_𝑜) as a function of the fibre nature and fibre content (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)-( ): standard deviation.

	Fibre (%wt)	𝑑𝑛 (μm)	𝑑𝑤 (μm)	PDI	𝑁𝑐 (cells·cm^−3) × 10^5	δ (μm)	𝐶𝑜 (%)
7000D	0	106	131	0.81	6.98	54.74	21.68 (2.31)
SFC1	20	81	104	0.78	3.67	172.11	29.69 (0.90)
	30	59	72	0.81	—	—	30.89 (1.55)
SFC2	20	62	87	0.71	9.47	118.98	26.00 (1.39)
	30	55	70	0.79	—	—	33.25 (1.42)
CMF1	30	67	92	0.72	15.80	67.66	36.42 (2.10)
CMF2	30	79	107	0.73	6.87	109.33	38.42 (1.26)