A method of colouring porous material, especially human hair, is described, which method comprises applying to the material being coloured, in any desired order successively, or simultaneously, a) at least one capped diazonium compound of Formula (1) and/or at least one compound of Formula (2) and/or at least one compound of Formula (3) wherein Q is an unsubstituted or substituted aromatic or heterocyclic residue, R is the radical of an unsubstituted or substituted, water-soluble aliphatic or aromatic amine, and T is an unsubstituted or substituted, water-soluble aliphatic or aromatic residue, wherein at least one of the groups must contain a radical imparting water solubility, and a) at least one water-soluble coupling component under conditions such that, initially, coupling does not take place, and then causing the capped diazonium compound present on the material to react with the coupling component.
本发明涉及一种染色多孔材料,特别是人类头发的方法。该方法包括按任意所需顺序连续或同时施加以下物质至所需染色的材料上:a) 公式(1)的至少一个带盖重氮化合物和/或公式(2)的至少一个化合物和/或公式(3)的至少一个化合物,其中Q是未取代或取代的芳香族或杂环残基,R是未取代或取代的
水溶性脂肪族或芳香族胺基的基团,而T是未取代或取代的
水溶性脂肪族或芳香族残基,其中至少一个基团必须含有赋予
水溶性的基团;以及b) 至少一种
水溶性偶联组分,在最初不发生偶联的条件下,然后使存在于材料上的带盖重氮化合物与偶联组分反应。