A supercritical carbon dioxide pre-isothermal crystallization foaming strategy for lightweight TPU/PLA composite foam with enhanced compressive strength and elasticity

Key Points

• Enhanced compressive strength and elasticity are achieved through supercritical carbon dioxide processes, optimizing material properties.
• Testing shows improvements, with compressive strength increasing significantly compared to traditional foaming methods, highlighting the effectiveness of the strategy.
• This study utilizes a pre-isothermal crystallization method to create composite foams made of thermoplastic polyurethane and polylactic acid.
• The findings indicate potential for lightweight composite foam applications, supporting advancements in material science.