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Table 2 The morphological properties of the prepared foams

From: Morphological, thermal, and thermomechanical properties of cellulose nanocrystals reinforced polylactide/poly [(butylene succinate)-co-adipate] blend composite foams

Sample ρfoam (g/cm3) Expansion ratio (β) Void Fraction (φ) (%)
PLA 0.18 ± 0.0 6.69 ± 0.12 85.05
B 0.19 ± 0.01 6.53 ± 0.30 84.66
B-CN3 0.19 ± 0.01 6.44 ± 0.35 84.43
B-CN6 0.21 ± 0.01 5.81 ± 0.27 82.75