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<p>Polyester–viscose blended knitted fabrics are widely used in the textile industry due to their exceptional wearing performance and cost-effectiveness. However, their easy pilling problems limit the long-term usability. This study adopts octadecyl dimethyl benzyl ammonium chloride (ODBAC), sodium hydroxide, benzyl alcohol, and sodium chloride for fiber surface modification, investigating the effects of finishing agent, impregnation temperature, and time on anti-pilling performance of these fabrics. The results indicated that when ODBAC concentration was set at 5&#xa0;g/L, sodium hydroxide at 0.3&#xa0;g/L, benzyl alcohol at 1.2&#xa0;g/L, and sodium chloride at 1.2&#xa0;g/L, a pilling grade of 5 can be achieved through an impregnation treatment conducted at 80&#xa0;°C for 60&#xa0;min. Furthermore, with a friction coefficient of polyester fiber ranging from 0.35 to 0.4 and the strength between 3.5 and 3.8 cN/dtex, the fabric exhibits reduced susceptibility to pilling. The treatment significantly enhances anti-pilling performance of the fabrics while preserving their air permeability, moisture permeability, warmth retention, and top-breaking strength. Additionally, it has been found to provide excellent anti-pilling durability under 50 washing cycles and cyclic temperature conditions for 120&#xa0;h. The findings reveal the regulation of fiber surface by multi-component synergistic action under low alkali conditions and provide an efficient and durable industrial solution for the anti-pilling treatment of polyester–viscose blended knitted fabrics.</p>

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Enhancing Anti-pilling Performance of Polyester–Viscose Blended Knitted Fabrics via Fiber Surface Modification Method

  • 期刊论文

  • 发表日期：

    2025年10月20日

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  • Qi Xiao,
  • Wen Chen,
  • Yuhan Wang,
  • Weifu Wang,
  • Enhao Xie

摘要

Polyester–viscose blended knitted fabrics are widely used in the textile industry due to their exceptional wearing performance and cost-effectiveness. However, their easy pilling problems limit the long-term usability. This study adopts octadecyl dimethyl benzyl ammonium chloride (ODBAC), sodium hydroxide, benzyl alcohol, and sodium chloride for fiber surface modification, investigating the effects of finishing agent, impregnation temperature, and time on anti-pilling performance of these fabrics. The results indicated that when ODBAC concentration was set at 5 g/L, sodium hydroxide at 0.3 g/L, benzyl alcohol at 1.2 g/L, and sodium chloride at 1.2 g/L, a pilling grade of 5 can be achieved through an impregnation treatment conducted at 80 °C for 60 min. Furthermore, with a friction coefficient of polyester fiber ranging from 0.35 to 0.4 and the strength between 3.5 and 3.8 cN/dtex, the fabric exhibits reduced susceptibility to pilling. The treatment significantly enhances anti-pilling performance of the fabrics while preserving their air permeability, moisture permeability, warmth retention, and top-breaking strength. Additionally, it has been found to provide excellent anti-pilling durability under 50 washing cycles and cyclic temperature conditions for 120 h. The findings reveal the regulation of fiber surface by multi-component synergistic action under low alkali conditions and provide an efficient and durable industrial solution for the anti-pilling treatment of polyester–viscose blended knitted fabrics.