[Retracted] Preparation and Supercritical CO₂ Foaming of Modified Nanocrystalline Cellulose Reinforced Polylactic Acid Bionanocomposites

Figure 12

Comparative analysis of PLA foaming nanocomposite cell structures (110°C, 18 MPa, 2 h): (a) PLA/NCC-2, (b) PLA/NCC-6, (c) PLA/mNCC-2, and (d) PLA/mNCC-6.