Process for desizing cotton and cotton-containing fabrics

摘要

Process for desizing cotton and cotton-containing fabrics in a strongly alkaline aqueous solution with alkali hypochlorite, in which 0.5 to 8.0 g / l of a tertiary hydroxyalkylamine soluble in aqueous alkaline solution, an oxyethylated and / or oxypropylated ethylenediamine, one of the aqueous bath add ethoxylated polyethyleneimine or malonic acid, cyanuric acid of a cyanuric acid derivative, a urea derivative, cyanoguanidine, oxazolidone, pyrrolidone, N-methylpyrrolidone or N-methylimidazole or their mixtures as an activator for hypochlorite, and the use of activator for hypochlorite in the dewaxing of cotton and for dewaxing cotton in strongly alkaline aqueous solutions.