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<p>Functional textiles featuring odor adsorption, controlled release, and antibacterial properties have attracted considerable interest for applications in personal care and environmental purification. To address the limited stability and durability of native β-cyclodextrin (β-CD) in health-protective textile coatings, a chemically modified β-CD was synthesized using DPT as a functionalizing agent. The successful chemical modification of β-CD was validated through Fourier Transform Infrared (FT-IR) and Proton Nuclear Magnetic Resonance (<sup>1</sup>H NMR) spectroscopy. These microcapsules were then applied to fabric coatings, endowing the textiles with multifunctional properties, including odor control and ultraviolet (UV) protection. The results demonstrated that increasing the modified β-CD content from 10 to 25% improved the adsorption rate of trans-2-nonenal from 23.97 to 64.48% at room temperature. Under UV irradiation, brominated diphenylthiophene acts as a photosensitizer that generates reactive radicals and enhances molecular activity, effectively degrading trans-2-nonenal via radical attack and photooxidation reactions. Additionally, the treated fabrics also exhibited significantly enhanced UV-shielding performance, achieving an UPF value of 73.5, which remained at 40.29 even after 30 abrasion cycles. These findings indicate the potential of modified β-CD microcapsules in creating durable, multifunctional textiles with superior sensory and protective capabilities.</p> Graphical Abstract <p></p>

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Synthesis of Peppermint Oil-Loaded Photosensitized β-Cyclodextrin Microcapsules and Their Application in Health-Protective Textile Coatings

  • 期刊论文

  • 发表日期：

    2025年12月26日

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  • Xiaoyu Meng,
  • Huiru Zhao,
  • Ajiao Zhao,
  • Xuan Shi,
  • Hua Qiu,
  • Kunlin Chen

摘要

Functional textiles featuring odor adsorption, controlled release, and antibacterial properties have attracted considerable interest for applications in personal care and environmental purification. To address the limited stability and durability of native β-cyclodextrin (β-CD) in health-protective textile coatings, a chemically modified β-CD was synthesized using DPT as a functionalizing agent. The successful chemical modification of β-CD was validated through Fourier Transform Infrared (FT-IR) and Proton Nuclear Magnetic Resonance (1H NMR) spectroscopy. These microcapsules were then applied to fabric coatings, endowing the textiles with multifunctional properties, including odor control and ultraviolet (UV) protection. The results demonstrated that increasing the modified β-CD content from 10 to 25% improved the adsorption rate of trans-2-nonenal from 23.97 to 64.48% at room temperature. Under UV irradiation, brominated diphenylthiophene acts as a photosensitizer that generates reactive radicals and enhances molecular activity, effectively degrading trans-2-nonenal via radical attack and photooxidation reactions. Additionally, the treated fabrics also exhibited significantly enhanced UV-shielding performance, achieving an UPF value of 73.5, which remained at 40.29 even after 30 abrasion cycles. These findings indicate the potential of modified β-CD microcapsules in creating durable, multifunctional textiles with superior sensory and protective capabilities.

Graphical Abstract