Abstract:
The present invention relates to novel direct dyes and compositions comprising them for dyeing keratin fibers especially human hair. The novel dyes of the present invention have benzothiophene structure providing intensive and homogeneous dyeing on keratin fibers, especially human hair.
Abstract:
A monoazo pigment is represented by the general formula (1), a tautomer of the monoazopigment, and a salt or a hydrate thereof: wherein R 1 , P 1 , and Q 1 each independently represents a hydrogen or a substituent, G represents the non-metallic atoms necessary to complete a 5- to 6-membered heterocyclic group, W represents a substituent capable of binding to the heterocyclic group constituted by G, t represents an integer of from 0 to 5, Het-1 represents a group selected from the aromatic heterocyclic groups represented by the general formula (2): wherein X, Y, Z, W 0 , W 1 , W 2 , W 3 , and W 4 each independently represents a hydrogen or a substituent, and * shows the point of attachment to the azo linkage in the general formula (1).
Abstract:
A dye of Formula (1) wherein: R and D are each independently H or a substituent; R and R are each independently optionally substituted alkyl, aryl or aralkyl, or R and R together with the carbon atom to which they are attached form an optionally substituted ring; R is H or optionally substituted alkyl, aryl or aralkyl; and R and R are each independently optionally substituted alkyl, aryl or aralkyl. Also claimed are compositions containing the dye, water and a water-dissipatable polymer.
Abstract translation:式(1)的染料其中:R 1和D各自独立地为H或取代基; R 2和R 3各自独立地为任选取代的烷基,芳基或芳烷基,或R 2和R 3与它们所连接的碳原子一起形成任选取代的环; R 4是H或任选取代的烷基,芳基或芳烷基; R 5和R 6各自独立地是任选取代的烷基,芳基或芳烷基。 还要求的是含有染料,水和可水分散的聚合物的组合物。
Abstract:
To provide a process for producing an azo pigment showing excellent coloring characteristics such as tinctorial strength and hue and showing excellent fastness such as light fastness and ozone fastness, an azo pigment dispersion, a coloring composition, and an ink for inkjet recording. A process for producing, for example, an azo pigment represented by the general formula (9), which includes a step of preparing a solution containing a compound represented by the following general formula (7) and an acid, and a step of bringing the solution incontact with a diazonium salt (8) derived from a heterocyclic amine.
Abstract:
The invention provides a pigment dispersion composition including an azo pigment represented by formula (1), in which the azo pigment represented by formula (1) does not have an ionic hydrophilic group, an azo pigment derivative and a dispersant. In formula (1), G represents a hydrogen atom, an aliphatic group, an aryl group or a heterocyclic group; R 1 represents an amino group, an aliphatic oxy group, an aliphatic group, an aryl group or a heterocyclic group; R 2 represents a substituent; A represents a heterocyclic group; m represents an integer of 0 to 5; and n represents an integer of 1 to 4, wherein: when n = 2, the azo pigment is a dimer formed via R 1 , R 2 , A or G; when n = 3, the azo pigment is a a trimer formed via R 1 , R 2 , A or G; and when n = 4, the azo pigment is a tetramer formed via R 1 , R 2 , A or G.
Abstract:
The present invention refers to dyestuffs of the formula (I) and its tautomeric forms, wherein D is a group of the formula D1, D2, D3, D4 or D5 (D1) (D2) (D3) (D4) (D5) wherein T, X, Y, Z, A1 to A4, G, R1, R5, R7 to R11, m, n, o, p, q, r, s and t are defined as given in claim 1, a process for their manufacture and hair dye compositions containing them.