N,N,N�N�-tetraacetyletylenedyamine (TAED) as an Activator for Persodiums, in Modern Compositions of Detergents and Disinfectants

Abstract

The synthesis of N,N,N�,N��tetraacetylethylenediamine (TAED) in two steps was approached, using as a basic raw material ethylenediamine, this one being acetylated in the first step with acetic acid to give N,N��diacetylethylenediamine (DAED), DAED being acetylated afterward with acetic anhydride up to TAED; both steps of the process are accomplished in a xylene medium. The purification of the raw product is made from a mixture of acetic acid and ethanol, giving TAED with a purity that allows it to be used in detergent and disinfectant mixtures. The activation capacity of the peroxidic compounds was tested using sodium percabonate, as a single compound or in a mixture with TAED, on several bacterias.

Cold pad–batch bleaching of cotton fabrics with a TAED/H2O2 activating system

“…To date, tetraacetylethylenediamine (TAED) is one of the most successfully used activators for hydrogen peroxide (H 2 O 2 ) bleaching and is mainly used in the detergent industry [7–11]. There have also been several reports on the utilisation of a TAED activator in wool surface modifications with peroxide oxidation [12,13].…”