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<p>Six novel stilbene fluorescent whitening agents bearing aminoethyl methacrylate groups were synthesized. Their molecular orbital energy levels, thermal stability, dyeing performance, and surface-finishing efficacy on cotton fibers were systematically characterized. The resulting compounds <b>6a-f</b> exhibited high thermal decomposition temperatures and low orbital energy differences, contributing to exceptional whitening and surface finishing effects on pure cotton. Treated fibers achieved a whiteness value of 127.49—a 50.81 unit increase over untreated cotton. The yellow/blue index decreased by 10.82, confirming significant whitening and color enhancement. Moreover, fiber surfaces displayed improved smoothness, indicating effective finishing. Among these, Compound <b>6a</b> demonstrated optimal performance and emerges as a promising multifunctional material for simultaneous high efficiency whitening and surface finishing.</p>

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Synthesis, dyeing performance and surface finishing effects of aminoethyl methacrylate functionalized stilbene fluorescent whitening agents

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年8月21日

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  • Meng Ou,
  • Li Hua,
  • Mao-sheng Wan,
  • Bo Wang,
  • Fei-qing Rao

摘要

Six novel stilbene fluorescent whitening agents bearing aminoethyl methacrylate groups were synthesized. Their molecular orbital energy levels, thermal stability, dyeing performance, and surface-finishing efficacy on cotton fibers were systematically characterized. The resulting compounds 6a-f exhibited high thermal decomposition temperatures and low orbital energy differences, contributing to exceptional whitening and surface finishing effects on pure cotton. Treated fibers achieved a whiteness value of 127.49—a 50.81 unit increase over untreated cotton. The yellow/blue index decreased by 10.82, confirming significant whitening and color enhancement. Moreover, fiber surfaces displayed improved smoothness, indicating effective finishing. Among these, Compound 6a demonstrated optimal performance and emerges as a promising multifunctional material for simultaneous high efficiency whitening and surface finishing.