Silver nanoparticles deposited on a cotton fabric surface via an in situ method using reactive hyperbranched polymers and their antibacterial properties

Hongxia Chen; Guangyu Zhang; Wei Zhang; Weidong Gao

doi:10.1039/d3ra00989k

Silver nanoparticles deposited on a cotton fabric surface via an in situ method using reactive hyperbranched polymers and their antibacterial properties

RSC Adv. 2023 Apr 12;13(17):11450-11456. doi: 10.1039/d3ra00989k. eCollection 2023 Apr 11.

Authors

Hongxia Chen¹, Guangyu Zhang², Wei Zhang², Weidong Gao¹

Affiliations

¹ College of Textile Science and Engineering, Jiangnan University Wuxi 214122 P. R. China gaowd3@163.com.
² School of Textile and Clothing, Nantong University Nantong 226019 P. R. China zhangwei@ntu.edu.cn.

Abstract

This study introduces a new method for the synthesis of silver nanoparticles on a cotton fabric surface by an in situ method. Reactive hyperbranched polymer (EPDA-HBP) was synthesized using epoxy chloropropane dimethylamine and amino hyperbranched polymer. Then, the fabric was modified with reactive hyperbranched polymer to obtain the amino-grafted fabric. The prepared fiber can complex Ag⁺ and convert Ag⁺ to Ag⁰ through the reducibility of amino acids. EPDA-HBP-grafted cotton fibers and silver nanoparticle-coated fibers were then characterized by FTIR, antibacterial, FE-SEM, EDS, and XPS methods. FE-SEM, EDS, and XPS indicated that Ag NPs were uniformly coated on the cotton fabric. FTIR results confirmed that EPDA-HBP was grafted onto the surface of cotton fiber. When the Ag content was more than 180 mg kg^-1, the treated cotton fabric showed above 99.9% bacterial reduction against Escherichia coli and Staphylococcus aureus.