ANTI-FELT TREATMENT PROCESS OF A MATERIAL COMPRISING WOOL

摘要

The method of the invention relates to an anti-felting treatment of a material comprising wool having a step of impregnating the material with liquid ammonia and a step of washing with water, said steps of impregnation and of washing being carried out while the material is under tension. Preferably the time for impregnating the material with liquid ammonia is 3 to 30 s and the tension exerted on the material during the impregnation and washing operations is 0.5 N / cm.