摘要:据“Plastics Technology,2007,53(8):27”报道,一种新型助剂可用来提高PLA(聚乳酸)生物高聚物包装性能,它使PLA作为食品包装袋的卫生标准达到FDA(美国食品及药物管理局)标准。该助剂主要成分是乙烯共聚物,它提高了PLA的韧性并降低了其脆性,已应用于钢硬模型和热力塑型的制件中。在PLA中加入质量分数1%~5%该助剂,与PLA中添加其他助剂的相比,
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