WERKWIJZE VOOR HET BEREIDEN VAN EEN MENGSEL VAN OPTISCHE BLEEKMIDDELEN, ALSMEDE DE TEXTIELPRODUKTEN, DIE MET HET ALDUS BEREIDE MENGSEL ZIJN BEHANDELD.

摘要

An optical brightener contains as active substance a compound of the formula in which X is the radical of an aliphatic, aromatic or heterocyclic amine bonded via an N atom, or an NH2 group, Ar is an m- or p-phenylene radical and M is a singly charged cation. The composition additionally contains a compound of the formula The optical brightener is particularly used for materials composed of cellulose fibres, sized paper and polyamide fibres.