申请人:L'Oreal
公开号:US05505741A1
公开(公告)日:1996-04-09
Processes for dyeing keratinous fibers with compositions which contain at least one 2-sulphured metaphenylenediamine of formula (I) ##STR1## wherein Z is alkyl, aralkyl, monohydroxyalkyl, polyhydroxyalkyl, aryl or aminoalkyl; R.sub.1 and R.sub.2, which are the same or different, are hydrogen, alkyl, monohydroxyalkyl, polyhydroxyalkyl, monocarbamylalkyl, dialkylcarbamyl, aminoalkyl, acyl carbalkoxy, carbamyl, or monoalkylcarbamyl; R.sub.3 is hydrogen, alkyl, nitrile, amide, fluoroalkyl, or --COOR; and the corresponding acid salts, and at least one oxidation dye precursor.
含有至少一种化学式(I)的2-硫代二氨基苯胺的组合物用于染色角蛋白纤维的工艺,其中Z是烷基,芳基烷基,单羟基烷基,多羟基烷基,芳基或氨基烷基;R.sub.1和R.sub.2,相同或不同,是氢,烷基,单羟基烷基,多羟基烷基,单氨基甲酰胺基烷基,二烷基甲酰胺基,氨基烷基,酰基羧酯烷氧基,氨基甲酰胺基,或单烷基氨基甲酰胺基;R.sub.3是氢,烷基,腈,酰胺,氟烷基,或--COOR;以及相应的酸盐,以及至少一种氧化染料前体。