Dyestuffs and hair dye compositions

A technology of dyes and alkyls, applied in the field of hair dyeing compositions, which can solve the problems of limited number of dyes, difficulty in obtaining purple, low durability, etc.
CN101379144BInactive Publication Date: 2012-08-22DYSTAR COLOURS DISTRIBUTION GMBH +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
DYSTAR COLOURS DISTRIBUTION GMBH
Publication Date
2012-08-22
Estimated Expiration
Not applicable · inactive patent

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Abstract

The present invention refers to dyestuffs of the general formula (I) wherein R, R 1 , X, Y, Z, T and A - are defined as given in claim 1, dyestuff mixtures and hair dye compositions comprising them, as well as a process for colouring hair.
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Description

technical field

[0001] The present invention relates to anthraquinone hair dye and hair dye composition containing the hair dye. Background technique

[0002] Hair dyes can be classified according to the dyes they use, or according to whether they have the effect of bleaching melanin. Typical examples include two-part permanent hair dyes consisting of a first part containing an alkaline agent, an oxidation dye, and optionally a direct dye such as a nitro dye, and a second part containing an oxidizing agent ; and one-part semi-permanent hair dyes containing organic acidic or basic agents, and acid dyes, basic dyes or direct dyes such as nitro dyes.

[0003] However, the aforementioned permanent hair dyes have the disadvantage that the shades imparted by the oxidation dyes are not so vibrant and they damage the hair. Attempts have been made to apply nitro dyes or cationic dyes to two-component hair dyes containing oxidizing agents to produce various shades (see, for example,...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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