Lenzing
Comparative molding results of fabrics with and without Lenzing’s mitigating yellowing processing solution (Source: Lenzing)
Initially targeting innerwear and subsequently outerwear and ready-to-wear garments, specialty fibers producer Lenzing 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. The company 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.
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 proprietary solution from Lenzing AG, Lenzing/Austria, 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, mills can now benefit from the adoption of a broader spectrum of colors and shades, bringing more diversified fabric and garment offerings to consumer brands. The latest technological innovation shows efforts made 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.
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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