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      • KCI등재

        Fabrication of Stable Fluorine-Free Hydrophobic Cotton Fabrics with Prominent Antibacterial Property

        Fengyi Qian,Meiping Chen,Zhiguang Li,Change Zhou,Rong Li,Xuehong Ren 한국섬유공학회 2023 Fibers and polymers Vol.24 No.11

        Multifunctional cotton fabrics with antibacterial property and hydrophobicity were prepared using surface modification. Cotton fabrics were treated with the coating solution containing N-halamine compound poly[5,5-dimethyl-3-(3’-triethoxysilylpropyl) hydantoin] (PSPH) and TiO2 nanoparticles, followed by treated with polydimethylsiloxane (PDMS) to reduce the surface energy of cotton fabrics. The prepared cotton fabrics were characterized by scanning electron microscopy (SEM), atomic force microscopy (AFM), Fourier transform infrared (FT-IR) spectra, X-ray photoelectron spectroscopy (XPS), and X-ray diffractometry (XRD). After chlorination, the prepared cotton fabrics exhibited excellent hydrophobicity with contact angle of 143°. The antibacterial results demonstrated that the prepared cotton fabrics had excellent antibacterial activity and could completely inactivate 4.54 cfu/sample of S.aureus and 4.92 cfu/sample of E. coli O157:H7 within 30 min of contact. The treated cotton fabrics also possessed robust stability under washing, UV light irradiation, and abrasion. Moreover, the breaking strength and air permeability of cotton fabric could maintain to the required values for practical application after treatment.

      • KCI등재

        The Antibacterial and Hydrophobic Cotton Fabrics Constructed by Multifunctional Polysiloxane and TiO2 Nanoparticles

        Fengyi Qian,Meiping Chen,Change Zhou,Zhiguang Li,Rong Li,Xuehong Ren 한국섬유공학회 2023 Fibers and polymers Vol.24 No.2

        Multifunctional polysiloxane was synthesized by introducing N-halamine compound precursor and stearyl methacrylateinto polyhydromethylsiloxane, and characterized by Fourier transform infrared (FT-IR) and 1H nuclear magnetic resonance(NMR). Cotton fabrics with antibacterial and hydrophobic properties were prepared via a simple one-pot method with thesynthesized polysiloxane and rutile TiO2nanoparticles. The prepared cotton fabrics was characterized by scanning electronmicroscopy (SEM), FT-IR, X-ray photoelectron spectroscopy (XPS) and X-ray diffraction (XRD). The results demonstratedthat prepared cotton fabrics could inactivate 3.9 × 106cfu/sample of S. aureus and 4.8 × 106cfu/sample of E. coli O157:H7within 30 min of contact time, and the water contact angle of the treated fabrics was 133°. The prepared cotton fabrics alsoexhibited excellent stability against 50 abrasion cycles. After 50 washing cycles, 72% of the chlorine content on preparedcotton fabrics could be recovered after rechlorination. And the antibacterial hydrophobic cotton fabrics loaded with TiO2possessed higher UV stability than cotton fabrics only treated with PTSAMS-Cl. Furthermore, the breaking strength ofantibacterial hydrophobic cotton fabrics was decreased while the wrinkle resistance was improved.

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