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Graphic element Research > Growth > Research projects > Previous projects > Industrial Processes > New processes and materials for bleaching, dyeing and drying wool without yellowing
Graphic element New processes and materials for bleaching, dyeing and drying wool without yellowing
     
 
New more efficient processes for wool bleaching and dyeing and a new dryer combining hot air and high-frequency radio waves eliminate yellowing in wool textile production.
 

Activities in the textile industry include a wide variety of processes and techniques for transforming natural and synthetic materials like wool, cotton and nylon into useful and aesthetically pleasing cloth products. Wool dyeing is one of these important processes but manufacturers have long struggled to find an efficient dyeing method which does not cause yellowing.

This project concerned the development of new processes for bleaching, pastel dyeing and drying of wool or wool blends without yellowing. New bleach enzymes and post-treatment processes were developed, as well as a new and innovative dryer using both hot air and high-frequency radio waves, a combination never before seen in the wool processing sector. These new developments allow more flexible and continuous production, 24 hours a day.

The feasibility of the new dyeing method has already been demonstrated under workshop conditions. Prime partner Madeleine, a dryer manufacturer, sees other potential applications for its new technology in the food, stainless steel and carpet manufacturing sectors and expects a large increase in its annual turnover as a result of the project.

Cordis RCN: 20192
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