不同无机抗菌体系对聚乙烯供水管材抗菌性能的影响
Effect of Different Inorganic Antimicrobial Systems on Antimicrobial Performance of PE Water Supply Pipes
马祥瑞 1王伟 1史颖2
作者信息
- 1. 沈阳化工大学高分子产业高端制造研究院,辽宁 沈阳 110142;沈阳化工大学 材料科学与工程学院,辽宁 沈阳 110142
- 2. 沈阳化工大学高分子产业高端制造研究院,辽宁 沈阳 110142
- 折叠
摘要
采用双螺杆挤出机将聚乙烯(PE100)分别和纳米氧化锌(15 nm粒径和30 nm粒径)、纳米银、纳米二氧化钛进行熔融共混制备出抗菌PE管材料,并测试了抗菌性能、DSC、拉伸性能和冲击性能.结果表明:纳米氧化锌和纳米银的抗菌体系优于二氧化钛的抗菌体系;15 nm ZnO质量分数0.150%的复合材料对大肠杆菌的抗菌率高于 99.9%,30 nm ZnO 质量分数 0.500%的复合材料对大肠杆菌的抗菌率为 99.7%,小尺寸的ZnO抗菌剂有更高的抗菌性能;添加了高含量抗菌剂(质量分数 1%的TiO2)复合材料的综合力学性能降低.
Abstract
Antibacterial PE pipe materials were prepared by melt blending polyethylene(PE100)with nano zinc oxide(15 nm particle size and 30 nm particle size),nano silver and nano titanium dioxide,respectively,using a twin-screw extruder.And the antibacterial properties,DSC,tensile properties and impact properties were tested.It was shown that,the antimicrobial system of ZnO nanoparticles and silver nanoparticles was better than that of titanium dioxide;the antimicrobial rate of the composites with 15 nm ZnO of mass fraction 0.150%against Escherichia coli was higher than 99.9%,and the antimicrobial rate of the composites with 30 nm ZnO of mass fraction 0.500%against Escherichia coli was 99.7%,and the small size of ZnO antimicrobial agent had higher antimicrobial performance;the overall mechanical properties of the composites with high content of antimicrobial agent(mass fraction 1%TiO2)were reduced.
关键词
PE100/无机抗菌剂/抗菌性能/力学性能Key words
PE100/Inorganic antibacterial agent/Antibacterial properties/Mechanical properties引用本文复制引用
出版年
2024
NETL
NSTL
万方数据