152 results about "Substantive dye" patented technology

The invention discloses a preparation method and a dyeing process of 5, 5 '-dihydroxy-observation blue, and relates to the field of dye chemical industry. According to the preparation method of the 5, 5 '-dihydroxy-observation blue, provided by the invention, amino on the observation blue is converted into hydroxyl by utilizing the catalytic effect of the vanadium-based catalyst in an acid environment, the production of the 5, 5'-dihydroxy-observation blue can be realized through one-step reaction, the yield is up to 32.47% or above, and the obtained compound can be used as a blue direct dye and can be used for preparing blue dye. After being dyed, a fabric can present bright blue, the K / S value reaches 10 or above, and the fabric has excellent color fastness, and the color fastness to washing, the color fastness to soaping and the color fastness to wet rubbing all reach 4-5 levels.

The present invention relates to a composition for treating keratin fibres, in particular the hair, comprising: a) at least one amino silicone; b) at least one non-amino silicone having a weight-average molecular weight of less than or equal to 1500 g / mol; c) at least one colouring agent chosen from pigments, direct dyes and mixtures thereof.

The present invention relates to a method for coloring keratin fibers comprising applying the following ingredients to said keratin fibers, in one or more separate compositions: i) at least one chitosan compound; ii) at least one acetoacetate compound of formula (I); iii) at least one coloring agent selected from pigments, direct dyes, and mixtures thereof. The invention also relates to a composition comprising at least one specific chitosan compound and at least one beneficial agent selected from coloring agents, acetoacetate compounds, and mixtures thereof.

The invention provides a liquid red direct dye and a preparation method thereof, and the method comprises the following steps: S1, dispersing 2-amino-5-naphthol-7-sulfonic acid and bis (trichloromethyl) carbonate in water, adjusting the pH value of a reaction system by using a first organic base, and reacting to obtain a scarlet acid aqueous solution; s2, dispersing a sulfo aromatic amine compound and nitrite in water, adjusting the pH value of a reaction system by using inorganic acid, reacting to obtain sulfo aromatic amine diazonium salt precipitate, and performing solid-liquid separation to obtain sulfo aromatic amine diazonium salt; and S3, adding the sulfonic aromatic amine diazonium salt in the step S2 into the scarlet acid aqueous solution in the step S1, adjusting the pH value of the reaction system by using second organic alkali, and reacting to obtain the liquid red direct dye. Through the preparation method, the red direct dye which can stably exist in a liquid form and is suitable for direct use can be obtained.

A dyeing composition for keratin fibers, including one or more first direct dyes selected from HC Blue 18, HC Red 18, HC Yellow 16, and salts thereof, one or more second direct dyes selected from Disperse Black 9, Acid Yellow 1, 2-amino-6-chloro-4-nitrophenol and salts thereof, and one or more alkalizing agents.

The present invention relates to a composition (C) for the treatment of keratin fibers, comprising at least one (poly)carbodiimide compound chosen from the compounds of formula (I), and at least one coloring agent chosen from pigments, direct dyes, and mixtures thereof.

The present invention relates to a process for dyeing hair keratin fibres comprising: a) the application to the hair keratin fibres of at least one dye composition C comprising at least one colouring agent chosen from direct dyes, oxidation dye precursors and mixtures thereof, and optionally at least one chemical oxidizing agent; and then b) the application of at least one composition T comprising: (1) at least one (poly)carbodiimide compound; (2) at least one polymer comprising at least one reactive group chosen from carboxylic acids; and (3) optionally at least one silicone.

A black direct dye, a black direct dye composition, a preparation method and uses thereof. The black direct dye has a structure shown in formula (I). The black direct dye of the present invention has excellent dyeing performance, and has excellent comprehensive effects such as washing resistance, perspiration resistance, rubbing resistance and color fastness to light. Its quality is stable, enriching the black direct dye market. #imgabs0#In formula (I), R1, R3, R4 and R6 are each independently -NH2 or -OH; R2 and R5 are each independently -H or -SO3Na; and the compound shown in formula (I) does not include the compound of the following formula (Ia), #imgabs1#

The present invention provides - a) i) at least one anionic fixing polymer; ii) at least one direct dye, and iii) at least one C2-C4 monoalcohol At least one composition comprising: b) at least one propellant selected from dimethyl ether wherein the composition comprises less than 5% by weight of water, based on the total weight of the composition; and - a means for delivering the composition; The present invention relates to an aerosol device comprising: The present invention also relates to a method for neutralizing the yellow and / or orange hue of previously bleached and / or natural keratin fibers.

Title: Hair coloring process comprising the application of a (poly)carbodiimide compound, a silicone acrylic copolymer, and a coloring agent. The present invention relates to a hair coloring process comprising the application to the hair of at least one composition C comprising: (i) one or more (poly)carbodiimide compounds; (ii) one or more silicone acrylic copolymers, and (iii) at least one coloring agent selected from pigments, direct dyes, and mixtures thereof, compounds (i), (ii) and / or (iii) being packaged together or separately in one or more aerosol devices in the presence of at least one propellant.

The present invention relates to a hair coloring process comprising the application to the hair of at least one composition C comprising: - at least one (poly)carbodiimide compound; - at least one silicone acrylic copolymer; - at least one alkaline agent having a saturated vapor pressure at 20°C greater than or equal to 2500 Pa; and - at least one coloring agent selected from pigments, direct dyes, and mixtures thereof.

A method for dyeing keratinous material, in particular human hair, may include applying a first agent to the keratinous material. The first agent may include hydrogen peroxide. The method may further include applying a second agent to the keratinous material. The second agent may include at least one organosilicon compound from the group of silanes having one, two, or three silicon atoms. The method may further include applying a third agent to the keratinous material where the third agent includes at least one sealing reagent. At least one of the second or third agents may further include at least one dyeing compound from the group consisting of pigments and / or direct dyes.

The present invention relates to a method for dyeing keratinous hair fibers, comprising: a) applying to said keratinous hair fibers at least one composition C comprising: at least one (poly)carbodiimide compound; at least one compound comprising at least one carboxylic acid functional group; and at least one colorant selected from pigments, direct dyes and mixtures thereof; then b) applying heat to said keratinous hair fibers at a temperature of at least 30°C; and then c) applying to said keratinous hair fibers at least one composition G comprising: at least one (poly)carbodiimide compound; at least one compound comprising at least one carboxylic acid functional group.

The present invention relates to a hair coloring composition, particularly for hair, comprising: - at least one (poly)carbodiimide compound; - at least 4% by weight of at least one compound having at least one hydroxyl group, relative to the total weight of the composition; and - optionally at least one coloring agent selected from pigments, direct dyes, and mixtures thereof. The present invention also relates to a method for coloring hair keratin fibers and a device for coloring hair keratin fibers.

The invention relates to a process for dyeing keratin fibres, preferably human keratin fibres, more preferentially the hair, which comprises applying to the keratin fibres, preferably human keratin fibres, more preferentially the hair, a composition (A) comprising at least one dye, preferably chosen from oxidation dyes, direct dyes, mixtures thereof and reaction products thereof, rinsing the keratin fibres, preferably human keratin fibres, more preferentially the hair, and treating the solution resulting from the rinsing with at least one alkaline agent. The invention also relates to a process for treating a water comprising at least one dye, preferably chosen from oxidation dyes, direct dyes, mixtures thereof and reaction products thereof, wherein this water is contacted with at least one alkaline agent.

The invention provides a black direct dye as well as a preparation method and application thereof. The preparation method of the black direct dye disclosed by the invention comprises the following steps: acquiring polyaniline: performing oxidative polymerization on aniline hydrochloride by using an oxidizing agent to obtain polyaniline; obtaining a condensation product: carrying out condensation reaction on polyaniline and p-nitrotoluene o-sulfonic acid and / or 2-methyl-5-nitrobenzoic acid to obtain the condensation product; and a post-treatment step: carrying out post-treatment on the condensation product to obtain the black direct dye. The preparation method of the black direct dye is simple and easy to implement, few in three wastes in the production process and environmentally friendly. The black direct dye prepared by the preparation method is bright in color, good in water solubility, high in dye-uptake and excellent in dyeing performance.

The present invention relates to - at least one (poly)carbodiimide compound, and - at least one colorant selected from pigments, direct dyes and mixtures thereof, for use of a composition comprising at least one alkyl or alkylene carbonate for decolorizing keratinous hair fibers without damaging the keratinous hair fibers, from keratinous hair fibers pre-dyed with at least one composition for dyeing keratinous hair fibers.

The present invention relates to a method for coloring keratin fibers employing a composition comprising at least one direct dye and / or an oxidation dye precursor and a composition comprising at least one compound with acetoacetate functions.

Agent for coloring keratin fibers, characterized in that it (A) at least one dye precursor and / or one direct dye (B) at least one fatty acid glyceryl ester and (C) at least one cationic surfactant of the formula (I) where the radicals R 1 to R 4 independently represent a C1 to C4 alkyl chain or a C 10 - to C 30 -alkyl chain, with the proviso that at least one and at most two of the radicals R 1 to R 4 for a C 12 - to C 30 -alkyl chain, and X stands for a physiologically acceptable anion, (D) ammonium bicarbonate.

The present invention relates to a composition for treating keratin fibres, notably human keratin fibres such as the hair, comprising at least one (C14-C30)alkyl (poly)glycoside, at least one fatty alcohol, at least one fatty acid, at least one alkaline agent and optionally at least one dye chosen from oxidation dyes, direct dyes and mixtures thereof. The present invention also relates to a process for dyeing and / or lightening keratin fibres, such as the hair, wherein the composition as described previously is applied to said fibres. The present invention also relates to the use of the composition according to the invention for dyeing and / or lightening, preferably dyeing, keratin fibres such as the hair.

The present invention relates to a process for dyeing keratin hair fibres, comprising: a) applying to the keratin hair fibres at least one composition T, the composition comprises at least one anionic surfactant and / or at least one amphoteric or zwitterionic surfactant and less than 1% by weight of silicone relative to the total weight of composition T; and then b) applying to the keratin hair fibres at least one composition C comprising:-at least one (poly) carbodiimide compound of formula (II); and-at least one colorant selected from the group consisting of pigments, direct dyes and mixtures thereof.

The invention relates to a new dyeing method developed for dyeing woolen products such as fabrics, fibers, etc. with direct dyestuffs in the presence of metallic mordants (chemical mordants) and bio-mordants in the textile industry.

Composition comprising a direct dye, a non-associative polysaccharide, a particular polycarboxylic acid, and a hydroxylated compound. The invention relates to a composition comprising: one or more direct dyes; one or more non-associative polysaccharides; one or more polycarboxylic acids of formula (I); one or more hydroxylated compounds selected from aromatic alcohols, C2-C6 aliphatic hydroxylated solvents, and mixtures thereof.

An aqueous composition for discoloring keratin fibers dyed with oxidative dyes and / or direct dyes, preferably human keratin fibers, more preferably human hair, comprising a) one or more organic sulfinic acid(s), and / or their salt(s), and / or their mixtures, b) one or more organic solvent(s), and / or their mixtures, wherein the total concentration of one or more compound(s) according to group b) is 10% by weight or more, calculated to the total weight of the composition, wherein the one or more compound(s) according to group b) are benzyl alcohol and / or propylencarbonate.

The present invention relates to a composition for treating keratin fibres, notably human keratin fibres such as the hair, comprising at least one nonionic surfactant, 1,3-propanediol, at least one fatty substance other than fatty acids in a content greater than or equal to 10% by weight relative to the total weight of the composition, and at least one dye. The present invention also relates to a process for dyeing keratin fibres, such as the hair, wherein the composition as described previously is applied to said fibres. The present invention also relates to a process for dyeing keratin fibres such as the hair, wherein the composition as described previously, and comprising at least one dye, preferably chosen from oxidation dyes, direct dyes and mixtures thereof, is applied to said fibres. The present invention also relates to the use of the composition according to the invention for dyeing keratin fibres such as the hair.

The invention relates to a process for dyeing keratin fibres, preferably human keratin fibres, more preferentially the hair, comprising applying, to the keratin fibres, preferably human keratin fibres, more preferentially the hair, a composition (A) comprising at least one dye, preferably chosen from oxidation dyes, direct dyes, mixtures thereof and reaction products thereof, rinsing the keratin fibres, preferably human keratin fibres, more preferentially the hair, and treating the solution resulting from the rinsing with at least one non-persulfate chemical oxidizing agent. The invention also relates to a process for treating a water comprising at least one dye, preferably chosen from oxidation dyes, direct dyes, mixtures thereof and reaction products thereof, wherein this water is brought into contact with at least one non-persulfate chemical oxidizing agent.

A composition comprising a peroxygenated salt, a fatty substance, an acrylic polymer, and a direct dye. The invention relates to a composition for lightening keratin fibers, and in particular human keratin fibers such as hair, comprising one or more peroxygenated salts, one or more fatty substances present in a total content greater than or equal to 20% by weight relative to the total weight of the composition, one or more acrylic polymers, and one or more direct dyes. The invention also relates to a method for lightening keratin fibers, preferably human, particularly hair, comprising applying the composition to said keratin fibers.

The present invention relates to a process for dyeing keratin hair fibres, comprising applying to the keratin hair fibres at least one composition C comprising: a) at least one (poly) carbodiimide compound; b) at least one compound containing at least one carboxylic acid group; c) at least one aminosilicone of formula (XIII); and d) at least one colorant selected from the group consisting of pigments, direct dyes and mixtures thereof.

The present invention relates to a hair coloring process comprising: a) applying to the hair at least one composition T comprising at least one agent AA selected from amino acids and their derivatives; then b) applying to the hair at least one composition C comprising: - at least one (poly)carbodiimide compound; and - at least one coloring agent selected from pigments, direct dyes, and mixtures thereof.