A Versatile Approach for the Synthesis of Antimicrobial Polymer Brushes on Natural Rubber/Graphene Oxide Composite Films via Surface-Initiated Atom-Transfer Radical Polymerization
文献类型： 外文期刊
作者： Zhu, Wenya 1 ; Li, Bangsen 1 ; Liu, Jinrui 1 ; Sun, Shishu 1 ; Zhang, Yan 1 ; Zhang, Dashuai 1 ; Li, Chen 1 ; Sun, Tianyi 1 ; Qin, Huaide 4 ; Shi, Jianjun 1 ; Shi, Zaifeng 1 ;
作者机构： 1.Hainan Normal Univ, Collage Chem & Chem Engn, Haikou 571158, Peoples R China
2.Key Lab Water Pollut Treatment & Resource Reuse Ha, Haikou 571158, Peoples R China
3.Key Lab Water Pollut Treatment & Control Haikou Ci, Haikou 571158, Peoples R China
4.Chinese Acad Trop Agr Sci, Rubber Res Inst, Haikou 571101, Peoples R China
关键词： natural rubber; NR/GO composite film; atom transfer radical polymerization; antimicrobial materials
期刊名称：MOLECULES （ 影响因子：4.6； 五年影响因子：4.9 ）
ISSN：
年卷期： 2024 年 29 卷 4 期
页码：
收录情况： SCI
摘要： A simple strategy was adopted for the preparation of an antimicrobial natural rubber/graphene oxide (NR/GO) composite film modified through the use of zwitterionic polymer brushes. An NR/GO composite film with antibacterial properties was prepared using a water-based solution-casting method. The composited GO was dispersed uniformly in the NR matrix and compensated for mechanical loss in the process of modification. Based on the high bromination activity of alpha-H in the structure of cis-polyisoprene, the composite films were brominated on the surface through the use of N-bromosuccinimide (NBS) under the irradiation of a 40 W tungsten lamp. Polymerization was carried out on the brominated films using sulfobetaine methacrylate (SBMA) as a monomer via surface-initiated atom transfer radical polymerization (SI-ATRP). The NR/GO composite films modified using polymer brushes (PSBMAs) exhibited 99.99% antimicrobial activity for resistance to Escherichia coli and Staphylococcus aureus. A novel polymer modification strategy for NR composite materials was established effectively, and the enhanced antimicrobial properties expand the application prospects in the medical field.
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