第51卷第6期2023年6月CottonTextileTechnology防护用聚乳酸非织造材料的研究进展林铭港1,2李覃1,2卢浩1,2张勇猛1,2齐欢2张初阳1,2[1.新疆大学,新疆乌鲁木齐,830046;2.泉州师范学院(石狮)生态智能织物工程技术研究院,福建泉州,362002]摘要:总结防护用聚乳酸非织造材料的研究现状与发展趋势,分别从聚合物改性、PLA纺丝及性能研究、在防护材料中的应用、降解性能等方面介绍了目前PLA的研究热点。从增韧改性、亲水改性、耐热改性等方面概括了PLA改性的方法及技术进展。从静电纺丝、熔喷纺丝、纺黏纺丝方面阐述了PLA纺丝技术的发展。介绍了PLA在空气过滤、防护服等医用防护材料中的应用,分析了目前PLA材料降解性能及降解机理的研究热点。认为:提高原料性能,优化工艺条件,缩短工艺流程,根据实际应用需求采用复合技术制备高性能的PLA复合防护材料,是今后非织造材料发展的一个重要方向。关键词:聚乳酸;非织造布;聚合物改性;医用防护材料;空气过滤;静电纺丝中图分类号:TS176文献标志码:B文章编号:1000-7415(2023)06-0023-06ResearchprogressofPLAnonwovensforprotectionapplicationLINMinggang1,2LITan1,2LUHao1,2ZHANGYongmeng1,2QIHuan2ZHANGChuyang1,2[1.XinjiangUniversity,Urumqi,830046,China;2.InstituteofSmart&EcologicalTextileEngineeringandTechnologyofQuanzhouNormalUniversity(Shishi),Quanzhou,362002,China]AbstractThecurrentresearchstatusanddevelopmenttrendofPLAnonwovenmaterialsforprotectionweresummarized.ThecurrentresearchhotspotsofPLAwereintroducedrespectivelyintermsofpolymermodification,PLAspinningandperformanceresearch,applicationinprotectionmaterialsanddegradationproperties.ThemethodsandtechnicalprogressofPLAmodificationwereoutlinedintermsoftougheningmodification,hydrophilicmodification,heatresistancemodification,etc.ThedevelopmentofPLAspinningtechnologywasdescribedintermsofelectrostaticspinning,meltblownspinningandspunbondspinning.TheapplicationofPLAinairfiltration,protectiveclothingandothermedicalprotectivematerialswasintroduced.ThecurrentresearchhotspotsofPLAmaterialdegradationperformanceanddegradationmechanismwereanalyzed.Itisconsideredthatimprovingtherawmaterialperformance,optimizingtheprocessconditio...