Polycationic monochromophoric hydrazone compounds, dye compositions comprising such polycationic compounds and dyeing process using them
申请人:David Herve
公开号:US20080263785A1
公开(公告)日:2008-10-30
The present disclosure relates to polycationic monochromophoric hydrazone compounds of following formula (I):
wherein W
1
is a heteroaromatic radical comprising 5 or 6 ring members, optionally condensed with an aromatic ring comprising 6 ring members, comprising a quaternized nitrogen atom and optionally another heteroatom which may or may not be identical to nitrogen; X, which may or may not be identical, is a nitrogen atom or a CR
2
group; Z is a cationic group comprising at least one quaternized nitrogen atom.
The present disclosure also relates to a composition for dyeing human keratin fibers comprising the polycationic compounds disclosed herein, and to a dyeing process using the composition of the present disclosure, and even further to multicompartment device.
本公开涉及以下式(I)的多阳离子单色基醛肼化合物:
其中W1是包括5或6个环成员的杂环芳基,可选择地与包括6个环成员的芳香环融合,包括一个季铵化氮原子和可选择的可能与氮不同的另一个杂原子;X,可能相同也可能不同,是一个氮原子或一个CR2基团;Z是包括至少一个季铵化氮原子的阳离子基团。
本公开还涉及一种用于染色人类角蛋白纤维的组合物,包括本公开披露的多阳离子化合物,以及使用本公开的组合物进行染色的过程,甚至进一步涉及多室装置。