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Lenzing’s new innovation mitigates discoloration of cellulosic-based garments

  • Lenzing’s proprietary innovation is the industry’s first solution to address the discoloration and yellowing of seamless and light-colored garments made with cellulosic fibers due to high-temperature heating
  • The technology will initially be rolled out in the innerwear and shapewear segment, and will later be extended to outdoor apparel and other ready-to-wear industry segments globally

Lenzing Group, a leading global producer of wood-based specialty fibers, has introduced a new processing solution that mitigates the yellowing of garments and fabrics made with wood-based cellulosic fibers during high-temperature production processes.

With an initial rollout that targets innerwear and subsequently outerwear and ready-to-wear garments, the solution is the first in the industry to address the technical challenge during the garment molding process.

Lenzing is also taking on next steps to explore other potential applications, such as in heat seal processes of garments, and seamless stitching processes that involve heat seal adhesive tapes and bonding machines to replace traditional sewing.

“Discoloration has long been a lingering issue for the industry,” said Rex Mok, Vice President of Fiber Technical Marketing and Development at Lenzing. “Through ongoing innovation and close collaboration with fabric mill partners, we have not only addressed a common technical challenge, but also enhanced sustainability in the value chain with the potential to increase usage of botanic fibers across innerwear and outdoor garments. The latest technological innovation also speaks to Lenzing’s efforts to improve and widen the application of cellulosic fibers, such as TENCEL™ Lyocell and Modal fibers, which are derived from sustainable wood sources and produced using environmentally responsible processes. This serves as part of our wider commitment to drive the sustainable development of the textile value chain.”

Enhanced product aesthetics will unleash design possibilities with sustainable cellulosic fibers: Discoloring and yellowing issues caused by high-temperature molding have traditionally been inevitable during the garment production process. While chemicals could be used to minimize discoloring issues in synthetic fibers, this method does not work as effectively as it does in wood-based cellulosic fibers. With Lenzing’s proprietary solution, such challenge is mitigated, eliminating the bottleneck fabric mills experience during the production and dyeing of light-colored garments made of wood-based cellulosic fibers.

Leveraging the new innovation, Lenzing’s mill partners can now benefit from the adoption of a broader spectrum of colors and shades, bringing more diversified fabric and garment offerings to consumer brands. Given the diversified needs among different mill partners, Lenzing’s technical experts will work closely with fabric mills to provide a technical analysis of fibers and fabrics, recommendations, and ongoing support through to the end-garment stage.

Li Wei, Product Development Manager, at Yelin said, “Our customers have been positive about the visible improvement of the yellowish issues in fabrics during the high temperature molding process. Lenzing team’s processing solution and technical support have made our lives easier, allowing us to find the sweet spot for different combinations of fabrics and colors.”

Address industry needs, from innerwear to outdoor and other ready-to-wear garments: During the initial phase, the proprietary technology will be used in the production of seamless lingerie and shapewear globally, with a proactive strategy to introduce the technology to outdoor apparel and other ready-to-wear garments thereafter. Waterproof garments, windbreakers, jackets and other weatherproof clothing that are produced using a stitch-free technique or heat seal bonding will also benefit from the increased color and design possibilities.

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