DYE AND HAIR DYEING AGENT
To provide a dye and a hair dyeing agent having excellent dyeing power and dyeing fastness properties and having no sensitizing property or sufficiently low sensitizing property.SOLUTION: There are provided: a dye containing a dimer obtained by oxidation copolymerization of one compound selected fro...
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| Format: | Patent |
| Sprache: | eng ; jpn |
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| Zusammenfassung: | To provide a dye and a hair dyeing agent having excellent dyeing power and dyeing fastness properties and having no sensitizing property or sufficiently low sensitizing property.SOLUTION: There are provided: a dye containing a dimer obtained by oxidation copolymerization of one compound selected from p-phenylenediamine, p-aminophenol and 2,5-diaminotoluene with 2,4-diaminophenoxyethanol, a trimer obtained by oxidation copolymerization of one or two compounds selected from p-phenylenediamine, p-aminophenol and 2,5-diaminotoluene with 2,6-diaminopyridine; or a dimer obtained by oxidation self-polymerization of o-aminophenol; and a hair dyeing agent containing the dye.SELECTED DRAWING: None
【課題】染色力及び染色堅牢性に優れ、且つ感作性を示さない又は感作性が十分に小さい染料及び染毛剤を提供すること。【解決手段】ｐ−フェニレンジアミン、ｐ−アミノフェノール及び２，５−ジアミノトルエンから選ばれる１種の化合物と、２，４−ジアミノフェノキシエタノールとが酸化共重合した二量体；ｐ−フェニレンジアミン、ｐ−アミノフェノール及び２，５−ジアミノトルエンから選ばれる１種又は２種の化合物と、２，６−ジアミノピリジンとが酸化共重合した三量体；又はｏ−アミノフェノールが酸化自己重合した二量体を含む染料、及び当該染料を含む染毛剤。【選択図】なし |
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