结合非织造材料在医疗领域的发展现状,选取了4种医疗非织造布所使用的原材料,从本身特性及在医疗中应用优势出发,介绍了聚丙烯、聚乳酸纤维、生物基纤维、再生纤维素纤维的研究现状;再从工艺特点与用途方面,阐述了纺粘法、熔喷法、SMS复合技术、纺粘水刺复合技术4种医用非织造布加工技术;重点总结出国外医用非织造布新型加工工艺,包括后整理工艺、静电纺技术以及其他改进工艺,介绍了新型工艺改进流程、改进后特性及在未来医疗中的应用;为医用非织造材料的选择与加工提供一定的理论依据和技术支持。
Combined with the development of nonwovens in the medical field,four raw materials used inmedical nonwovens were selected.The research status of polypropylene,polylactic acid fiber,bio-based fibers and regenerated cellulose fibers were introduced from its own characteristics and advantages in medical applications.From the aspects of process characteristics and applications,four processing technologies of medical nonwovens,including spunbond,melt-blown,SMS composite and spunbonded spunlace composite,were expounded.Summarizing the new processing technology of foreign medical nonwovens was focused,including finishing process,electrospinning technology and other improved processes,introducing the new improvement process,the improved characteristic and the application in the future medical applications.Theoretical basis and technical support were provided for the selection and processing of medical nonwoven materials.
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基金资助
国家自然科学基金项目(U1607117);天津市应用基础与前沿技术计划项目(16JCZDJC36400);天津市科技计划项目(14TXGCCX00014)
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