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<p>In order to tackle textile waste effectively, it is essential to commit to substantial research efforts that are in line with the principles of the Circular Economy. Managing the waste of denim fabric is very important, as it is one of fundamental textile materials in the global apparel market. Our research has concentrated on developing methods for converting post-consumer denim trousers from selective clothing waste collection into new products for technical purposes. For their characterization we used advanced analytical techniques, i.e. SEM, FTIR-ATR, UV–VIS, DSC, TG/DTG, ICP-MS, GC–MS/MS. The analysis revealed that the denim waste, which consists mainly of cotton but also contains varying amounts of polyester and elastane fibers, is free from harmful chemical substances and can be recycled without prior cleaning. We developed new nonwoven fabrics and hard boards with different structures and tailored properties, such as acoustic, thermal, fire retardant, bioactive and electrical. We analyzed both the final products and the influence of process parameters on their properties.</p> Graphical abstract <p></p>

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The old jeans in a new role

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年6月28日

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  • Małgorzata Cieślak,
  • Ewa Witczak,
  • Paweł Swaczyna,
  • Izabela Jasińska,
  • Alicja Nejman,
  • Agnieszka Dałek

摘要

In order to tackle textile waste effectively, it is essential to commit to substantial research efforts that are in line with the principles of the Circular Economy. Managing the waste of denim fabric is very important, as it is one of fundamental textile materials in the global apparel market. Our research has concentrated on developing methods for converting post-consumer denim trousers from selective clothing waste collection into new products for technical purposes. For their characterization we used advanced analytical techniques, i.e. SEM, FTIR-ATR, UV–VIS, DSC, TG/DTG, ICP-MS, GC–MS/MS. The analysis revealed that the denim waste, which consists mainly of cotton but also contains varying amounts of polyester and elastane fibers, is free from harmful chemical substances and can be recycled without prior cleaning. We developed new nonwoven fabrics and hard boards with different structures and tailored properties, such as acoustic, thermal, fire retardant, bioactive and electrical. We analyzed both the final products and the influence of process parameters on their properties.

Graphical abstract