Synthesis,Characterization of Polyethylene Ionomers and Their Antibacterial Properties  

作　　者：Jia-Jia Wu Fei Wang Peng-Qi Wan Li Pan Chun-Sheng Xiao Zhe Ma Yue-Sheng Li 

机构地区：[1]Tianjin Key Lab Composite&Functional Materials,School of Materials Science and Engineering,Tianjin University,Tianjin 300350,China [2]Key Lab Polymer Ecomaterials,Changchun Institute of Applied Chemistry,Chinese Academy of Sciences,Changchun 130022,China

出　　处：《Chinese Journal of Polymer Science》2024年第8期1077-1084,共8页高分子科学（英文版）

基　　金：financially supported by the National Natural Science Foundation of China(No.52130307)。

摘　　要：Owing to its high production volume and wide range of application s,polyethylene has gained a great deal of attention,but its low surface energy and non-polar nature have limited its application in some important fields.In this study,ethylene/11-iodo-1-undecene copolymers were prepared and used as the intermediates to afford a series of imidazolium-based ionomers bearing methanesulfonate(CH_(3)SO_(3)^(-)),trifluoromethanesulfonate(CF_(3)SO_(3)^(-)),or bis(trifluoromethane)sulfonimide(Tf_(2)N^(-))counteranions.The tensile test results showed that the stress-at-break(7.8-25.6 MPa)and the elongation-at-break(445%-847%)of the ionomers could be adjusted by changing the counterion species and the ionic group contents.Most importantly,the ionomers exhibited marvelous antibacterial activities against Staphylococcus aureus(S.aureus)and Escherichia coli(E.coli).The ionomers bearing Tf_(2)N^(-)exhibited antibacterial activities>99%against both S.aureus and E.coli when ionic content reached 9.1%.The imidazolium-based ionomers prepared in this work demonstrated excellent comprehensive properties,especially highefficient and broad-spectrum antibacterial ability,exhibiting the potential fo r the application as the antibacterial materials in packaging,medical,and other fields.

关 键 词：POLYETHYLENE IONOMER Polymerization catalysis IMIDAZOLIUM Antibacterial material 

分 类 号：TQ325.12[化学工程—合成树脂塑料工业]