Ultra-High-Expansion-Ratio Nanocellular Semicrystalline Polymer Foams: Preparation of Chain-Extender-Mediated PLA/PPC Foams via Supercritical CO2
The inherent brittleness, retarded crystallization kinetics and insufficient melt strength of polylactic acid (PLA) severely limit its applications in foaming. This study proposed a reactive chain extender and compatibilizer strategy, which involved introducing the multifunctional epoxy-based chain extender KL-E4370 (0...