【摘要】 介绍了聚乳酸(PLA)材料的性能特点，包括良好的降解性、相容性、易加工、机械强度高、无毒无刺激性；综述了国内外对PLA改性的研究现状，主要包括对PLA的物理改性(共混改性、填充改性、增强改性)和化学改性；并对该材料的应用进行了讨论。更多还原

【Abstract】 This article introduces the performance characteristics of polylactic acid (PLA) materials,including good degradation,compatibility,easy processing,high mechanical strength,non-toxic and non irritating properties.At the same time,the research status of PLA modification at home and abroad was introduced,mainly including physical modification (blending modification,filling modification,reinforcement modification) and chemical modification of PLA.Finally,the application of this material was discussed.更多还原