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<p>Although direct incorporation of antibacterial agents during melt spinning offers a straightforward production method for antibacterial polyethylene terephthalate (PET) fibers, balancing fiber physicochemical properties with antibacterial efficacy remains challenging due to the adverse impact of increased agent loading on mechanical properties and spinnability. Therefore, his work employed an in situ growth strategy to synthesize the antibacterial agent zeolitic imidazolate framework-8 (ZIF-8) directly onto the surface of the PET fibers. A suite of characterization techniques was utilized to investigate the morphological structure, chemical composition, and crystalline structure of the PET@ZIF-8 antibacterial fibers. And the antibacterial performance testing revealed that&#xa0;the PET@ZIF-8 antibacterial fibers&#xa0;exhibited enhanced antibacterial efficacy, achieving&#xa0;bacterial inhibition rates of up to 99.9%&#xa0;against <i>E. coli</i> and <i>S. aureus</i>. And consistently met the stringent AAA-level standard for washing durability even after 50 laundering cycles. This strategy not only significantly enhanced the antibacterial effectiveness of the fibers but also improved their durability and stability. The research presented in this work offers a novel technical approach for the surface modification of antibacterial polyester fibers.</p>

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In Situ Growth of ZIF-8 for Polyester Fibers with Enhanced Antibacterial Activity and Laundering Durability

  • 期刊论文

  • 发表日期：

    2026年2月9日

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  • Xuehua Zhang,
  • Bokun Lin,
  • Suxian Ye,
  • Xuebin Hou,
  • Chen Shi

摘要

Although direct incorporation of antibacterial agents during melt spinning offers a straightforward production method for antibacterial polyethylene terephthalate (PET) fibers, balancing fiber physicochemical properties with antibacterial efficacy remains challenging due to the adverse impact of increased agent loading on mechanical properties and spinnability. Therefore, his work employed an in situ growth strategy to synthesize the antibacterial agent zeolitic imidazolate framework-8 (ZIF-8) directly onto the surface of the PET fibers. A suite of characterization techniques was utilized to investigate the morphological structure, chemical composition, and crystalline structure of the PET@ZIF-8 antibacterial fibers. And the antibacterial performance testing revealed that the PET@ZIF-8 antibacterial fibers exhibited enhanced antibacterial efficacy, achieving bacterial inhibition rates of up to 99.9% against E. coli and S. aureus. And consistently met the stringent AAA-level standard for washing durability even after 50 laundering cycles. This strategy not only significantly enhanced the antibacterial effectiveness of the fibers but also improved their durability and stability. The research presented in this work offers a novel technical approach for the surface modification of antibacterial polyester fibers.