聚乙烯瞬时释压纺丝法无纺布制备及其性能研究  

Study on Preparation and Performance of Polyethylene Flash Non-woven Fabrics

作　　者：李磊 朱倩沁[3] 夏云霞 张俊峰 何力军 LI Lei;ZHU Qianqin;XIA Yunxia;ZHANG Junfeng;HE Lijun(Key Lab for Sport Shoes Upper Materials of Fujian Province,Fujian Huafeng New Material Co,Ltd,Putian 351144,China;College of Materials and Fujian Provincial Key Laboratory of Materials Genome,Xiamen University,Xiamen 361005,China;Xiamen Dangs New-Materials Co,Ltd,Xiamen 361000,China)

机构地区：[1]福建华峰新材料有限公司,福建省运动鞋面料重点实验室,福建莆田351144 [2]厦门大学材料学院,福建厦门361005 [3]厦门当盛新材料有限公司,福建厦门361000

出　　处：《中国塑料》2021年第2期41-45,共5页China Plastics

基　　金：福建省运动鞋面料重点实验室(福建华峰新材料有限公司)开放基金项目(KLSSUM1901);厦门市科技计划项目(3502Z220193007)。

摘　　要：以不同熔体流动速率的高密度聚乙烯为原料,二氟一氯甲烷和四氟二氯乙烷混合物为溶剂,通过瞬时释压纺丝法制备加工成无纺布,制备得到聚乙烯无纺布材料。通过扫描电子显微镜、动态接触角测量仪、自动比表面积和孔径分析测试仪、差示扫描量热仪、热失重分析仪、电子强度仪和数字透气度仪对所制备的无纺布的形貌、接触角、比表面积、断裂强度和断裂伸长率、热性能、透气性和耐水性依次进行表征和分析。结果表明,基于瞬时释压纺丝法的聚乙烯无纺布由平均单丝直径为4μm的超细纤维构成,最大拉伸断裂强度为220 N/5 cm;无纺布表现出良好的透气性、防水性和油墨润湿性,可应用于制备新型鞋面材料。The development of new shoe uppers is of great significance for improving the wearing comfort and product aesthetics.In this work,we report an investigation on the preparation of polyethylene non-woven fabrics by a flash evaporation method using high-density polyethylene resins with different melt flow indexes and a mixture of difluorochloromethane and tetrafluorodichloroethane as a solvent.The morphology,contact angle,specific surface area,breaking strength and breaking elongation,thermal properties,air permeability and water resistance of the obtained woven fabrics were characterized by using of scanning electron microscope,dynamic contact angle measuring instrument,automatic specific surface area and aperture analysis tester,differential scanning calorimeter,thermogravimetric analyzer,electronic strength machine and digital air permeability meter.The results indicated that all of the non-woven fabrics were constituted with pure polyethylene ultra-fine fibers with an average monofilament diameter of 4μm,and they achieved maximum tensile break strength of 220 N/5 cm.Such non-woven fabrics exhibited good air permeability,hydrophobicity and ink wettability.This type of non-woven fabrics exhibits a promising prospect for applications in novel shoe upper materials.

关 键 词：瞬时释压纺丝法 聚乙烯无纺布 鞋面材料 

分 类 号：TQ325.12[化学工程—合成树脂塑料工业]