Progress in porous poly(lactic acid)material and their structure and performance optimization
This paper reviewed the research progress of porous poly(lactic acid)(PLA)materials in terms of molding pro-cess,pore structure modulation and performance optimization.Typical molding processes for porous PLA materials were introduced,including template method,non-solvent induced phase separation method,freeze-drying method and supercritical CO2 foaming method.The effects of different pore structures and variations in pore size and density on the properties were presented.In addition,the effect of stereo-complex crystal on the pore structure and macroscopic proper-ties of porous PLA materials was emphasized.
poly(lactic acid)porous materialpreparation processstructure and propertyresearch progress
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