Dyeing process for yarns obtained from natural fibres and using dyes and auxiliary products of plant, animal or mineral origin and obtained product

摘要

Dyeing process for yarns obtained from natural fibres using dyes and auxiliary products of plant, animal or mineral origin and obtained product, comprising the phases of: basting on an open vessel with neutral detergent, mordanting with organic or inorganic salts, dyeing by immersion in a vessel containing a dye obtained from a decoction of natural substances, elimination of the dye particles not fixed on the fibre and drying in a centrifuge with a final phase in cells at constant temperature.