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<p>The increasing demand for eco-friendly dyeing processes has prompted the exploration of diverse natural dyes for textile purposes. This study explores the dyeing performance of chemically modified acrylic fibers using natural dyes extracted from the leaves of <i>Tamarix aphylla (L.) Karst</i> plant. The modification of acrylic fibers aimed to enhance dye absorption and fixation properties using different concentrations of ammonium acetate and hydroxylamine hydrochloride chemical agents. Various experimental parameters, including temperature, pH, and treatment duration, were systematically studied to achieve the best dyeing results. Additionally, the effects of different mordanting methods: premordanting, simultaneous mordanting, and postmordanting, using two types of mordants (alum and mimosa), were evaluated for their impact on dye fixation and color fastness properties. Results indicated that the chemical modification significantly improved the dye uptake and color fastness of the acrylic fibers. Simultaneous mordanting with alum exhibited the highest dyeing yield and deeper color shades, while premordanting and postmordanting provided varying degrees of enhancement. The study highlights the potential of <i>Tamarix aphylla (L.) Karst</i> as a sustainable dye source and underscores the importance of optimizing dyeing parameters and mordanting techniques to achieve high-quality and eco-friendly textile dyeing.</p>

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Pioneering Natural Dyes: A Novel Approach to Acrylic Fabric Coloration Using Tamarix aphylla (L.) Karst Leaves Extract

  • 期刊论文

  • 发表日期：

    2026年2月18日

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  • Wafa Haddar,
  • Manel Ben Ticha,
  • Noureddine Baaka,
  • Adel Mahfoudhi,
  • Zine Mighri,
  • Hatem Dhaouadi

摘要

The increasing demand for eco-friendly dyeing processes has prompted the exploration of diverse natural dyes for textile purposes. This study explores the dyeing performance of chemically modified acrylic fibers using natural dyes extracted from the leaves of Tamarix aphylla (L.) Karst plant. The modification of acrylic fibers aimed to enhance dye absorption and fixation properties using different concentrations of ammonium acetate and hydroxylamine hydrochloride chemical agents. Various experimental parameters, including temperature, pH, and treatment duration, were systematically studied to achieve the best dyeing results. Additionally, the effects of different mordanting methods: premordanting, simultaneous mordanting, and postmordanting, using two types of mordants (alum and mimosa), were evaluated for their impact on dye fixation and color fastness properties. Results indicated that the chemical modification significantly improved the dye uptake and color fastness of the acrylic fibers. Simultaneous mordanting with alum exhibited the highest dyeing yield and deeper color shades, while premordanting and postmordanting provided varying degrees of enhancement. The study highlights the potential of Tamarix aphylla (L.) Karst as a sustainable dye source and underscores the importance of optimizing dyeing parameters and mordanting techniques to achieve high-quality and eco-friendly textile dyeing.