process for dyeing and printing of materials on kunstfaserbasis with dispersionsfarbstoffen and färbemischungen

摘要

P the invention has for its object a process for dyeing or printing of the materials based on synthetic fibers by means of dispersion dyes. This process is characterized in that the operation is carried out in the presence of at least one derivative of a metal, alkaline-earth - metal or of a metal belonging to the periods 3 and 4 and the groups ii and / p & & p & viii of the periodic table of elements. This derivative prevents or reduces the degradation of the dye during the process of dyeing or printing. / p