中国塑料2025，Vol.39Issue(5)：25-29,5.DOI:10.19491/j.issn.1001-9278.2025.05.004
静电喷纺低密度聚乙烯超细纤维及其性能
Preparation and performance of electrostatic melt-blown low-density polyethylene microfibers
摘要
Abstract
To address the challenges in refining polyethylene(PE)fibers and realize the preparation and applications of ul-tra-fine PE fibers and their membranes,a type of low-density PW(PE-LD)ultra-fine fibers and their nonwoven fabrics were successfully produced through improving the traditional melt-blown process by modifying the melt-blown die and in-troducing an electrostatic field.The effects of electrostatic field strength and distance on the morphology,web structure,and diameter distribution of the nonwoven fabrics were investigated.Furthermore,the differences in filtration,hydropho-bicity,and mechanical properties of the nonwoven fabrics before and after introducing the electrostatic field were com-pared.The results indicated that the average fiber diameter decreased from 9.82 μm to 8.07 μm with an increase in the electrostatic field strength,and the fiber diameter distribution became narrow.This improved the filtration efficiency of the nonwoven fabrics.At a flow rate of 32 L/min,the highest filtration efficiency reached 73.65%at a filtration resis-tance of 19.1 Pa.In addition,the hydrophobic performance of the nonwoven fabrics was enhanced with an increase in the electrostatic field.Such an electrostatic spinning method is suitable for the continuous preparation of high-viscosity melt micro-nano fibers and their nonwoven fabrics.The obtained products presented broad application prospects in the mar-kets such as filtration materials and packaging.关键词
低密度聚乙烯/熔喷技术/超细纤维/聚合物加工/静电熔喷Key words
low-density polyethylene/melt-blown technology/microfiber/polymer processing/electrostatic melt-blowing分类
化学工程引用本文复制引用
李长金,刘文龙,杨卫民,郭子芳,李好义..静电喷纺低密度聚乙烯超细纤维及其性能[J].中国塑料,2025,39(5):25-29,5.基金项目
国家自然科学基金(U22B6012) （U22B6012）
中国石化科技部项目(223087) （223087）
