EP4288028A1 - Procédé de traitement de cheveux humains avec des agents contenant des mélanges d'alcoxy-siloxanes organiques en c1- c6 - Google Patents
Procédé de traitement de cheveux humains avec des agents contenant des mélanges d'alcoxy-siloxanes organiques en c1- c6Info
- Publication number
- EP4288028A1 EP4288028A1 EP22701883.5A EP22701883A EP4288028A1 EP 4288028 A1 EP4288028 A1 EP 4288028A1 EP 22701883 A EP22701883 A EP 22701883A EP 4288028 A1 EP4288028 A1 EP 4288028A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- organic
- acid
- group
- water
- mixture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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- GTKIEPUIFBBXJQ-UHFFFAOYSA-M sodium;2-[(4-hydroxy-9,10-dioxoanthracen-1-yl)amino]-5-methylbenzenesulfonate Chemical compound [Na+].[O-]S(=O)(=O)C1=CC(C)=CC=C1NC1=CC=C(O)C2=C1C(=O)C1=CC=CC=C1C2=O GTKIEPUIFBBXJQ-UHFFFAOYSA-M 0.000 description 1
- AYQGOOLZDOHXAY-UHFFFAOYSA-M sodium;3-[[4-[(2-chlorophenyl)-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]-2-methylcyclohexa-2,5-dien-1-ylidene]methyl]-n-ethyl-3-methylanilino]methyl]benzenesulfonate Chemical compound [Na+].C=1C=C(\C(=C\2C(=CC(C=C/2)=[N+](CC)CC=2C=C(C=CC=2)S([O-])(=O)=O)C)C=2C(=CC=CC=2)Cl)C(C)=CC=1N(CC)CC1=CC=CC(S([O-])(=O)=O)=C1 AYQGOOLZDOHXAY-UHFFFAOYSA-M 0.000 description 1
- SHBDDIJUSNNBLQ-UHFFFAOYSA-M sodium;3-[[4-[(2-chlorophenyl)-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]-n-ethylanilino]methyl]benzenesulfonate Chemical compound [Na+].C=1C=C(C(=C2C=CC(C=C2)=[N+](CC)CC=2C=C(C=CC=2)S([O-])(=O)=O)C=2C(=CC=CC=2)Cl)C=CC=1N(CC)CC1=CC=CC(S([O-])(=O)=O)=C1 SHBDDIJUSNNBLQ-UHFFFAOYSA-M 0.000 description 1
- RAMNYUMITLZMIC-UHFFFAOYSA-N sodium;3-[[4-[(4-diethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)-[4-[ethyl-[(3-sulfophenyl)methyl]amino]-2-methylphenyl]methyl]-n-ethyl-3-methylanilino]methyl]benzenesulfonate Chemical compound [Na+].C=1C=C(C(=C2C=CC(C=C2)=[N+](CC)CC)C=2C(=CC(=CC=2)N(CC)CC=2C=C(C=CC=2)S([O-])(=O)=O)C)C(C)=CC=1N(CC)CC1=CC=CC(S(O)(=O)=O)=C1 RAMNYUMITLZMIC-UHFFFAOYSA-N 0.000 description 1
- AXMCIYLNKNGNOT-UHFFFAOYSA-M sodium;3-[[4-[(4-dimethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)-[4-[ethyl-[(3-sulfonatophenyl)methyl]amino]phenyl]methyl]-n-ethylanilino]methyl]benzenesulfonate Chemical compound [Na+].C=1C=C(C(=C2C=CC(C=C2)=[N+](C)C)C=2C=CC(=CC=2)N(CC)CC=2C=C(C=CC=2)S([O-])(=O)=O)C=CC=1N(CC)CC1=CC=CC(S([O-])(=O)=O)=C1 AXMCIYLNKNGNOT-UHFFFAOYSA-M 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- LJFWQNJLLOFIJK-UHFFFAOYSA-N solvent violet 13 Chemical compound C1=CC(C)=CC=C1NC1=CC=C(O)C2=C1C(=O)C1=CC=CC=C1C2=O LJFWQNJLLOFIJK-UHFFFAOYSA-N 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 125000000547 substituted alkyl group Chemical group 0.000 description 1
- 150000008163 sugars Chemical class 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 125000004434 sulfur atom Chemical group 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 description 1
- LFQCEHFDDXELDD-UHFFFAOYSA-N tetramethyl orthosilicate Chemical compound CO[Si](OC)(OC)OC LFQCEHFDDXELDD-UHFFFAOYSA-N 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- GQUJEMVIKWQAEH-UHFFFAOYSA-N titanium(III) oxide Chemical compound O=[Ti]O[Ti]=O GQUJEMVIKWQAEH-UHFFFAOYSA-N 0.000 description 1
- AQWHMKSIVLSRNY-UHFFFAOYSA-N trans-Octadec-5-ensaeure Natural products CCCCCCCCCCCCC=CCCCC(O)=O AQWHMKSIVLSRNY-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 150000003626 triacylglycerols Chemical class 0.000 description 1
- GQIUQDDJKHLHTB-UHFFFAOYSA-N trichloro(ethenyl)silane Chemical compound Cl[Si](Cl)(Cl)C=C GQIUQDDJKHLHTB-UHFFFAOYSA-N 0.000 description 1
- DENFJSAFJTVPJR-UHFFFAOYSA-N triethoxy(ethyl)silane Chemical compound CCO[Si](CC)(OCC)OCC DENFJSAFJTVPJR-UHFFFAOYSA-N 0.000 description 1
- QQQSFSZALRVCSZ-UHFFFAOYSA-N triethoxysilane Chemical compound CCO[SiH](OCC)OCC QQQSFSZALRVCSZ-UHFFFAOYSA-N 0.000 description 1
- HQYALQRYBUJWDH-UHFFFAOYSA-N trimethoxy(propyl)silane Chemical compound CCC[Si](OC)(OC)OC HQYALQRYBUJWDH-UHFFFAOYSA-N 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 229940057402 undecyl alcohol Drugs 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 125000004417 unsaturated alkyl group Chemical group 0.000 description 1
- LLWJPGAKXJBKKA-UHFFFAOYSA-N victoria blue B Chemical compound [Cl-].C1=CC(N(C)C)=CC=C1C(C=1C=CC(=CC=1)N(C)C)=C(C=C1)C2=CC=CC=C2C1=[NH+]C1=CC=CC=C1 LLWJPGAKXJBKKA-UHFFFAOYSA-N 0.000 description 1
- ROVRRJSRRSGUOL-UHFFFAOYSA-N victoria blue bo Chemical compound [Cl-].C12=CC=CC=C2C(NCC)=CC=C1C(C=1C=CC(=CC=1)N(CC)CC)=C1C=CC(=[N+](CC)CC)C=C1 ROVRRJSRRSGUOL-UHFFFAOYSA-N 0.000 description 1
- 239000005050 vinyl trichlorosilane Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 238000010947 wet-dispersion method Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
- 239000001018 xanthene dye Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 239000002888 zwitterionic surfactant Substances 0.000 description 1
- 229910003145 α-Fe2O3 Inorganic materials 0.000 description 1
- 229910006297 γ-Fe2O3 Inorganic materials 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q5/00—Preparations for care of the hair
- A61Q5/06—Preparations for styling the hair, e.g. by temporary shaping or colouring
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/58—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing atoms other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur or phosphorus
- A61K8/585—Organosilicon compounds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q5/00—Preparations for care of the hair
- A61Q5/06—Preparations for styling the hair, e.g. by temporary shaping or colouring
- A61Q5/065—Preparations for temporary colouring the hair, e.g. direct dyes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/59—Mixtures
- A61K2800/591—Mixtures of compounds not provided for by any of the codes A61K2800/592 - A61K2800/596
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/80—Process related aspects concerning the preparation of the cosmetic composition or the storage or application thereof
- A61K2800/805—Corresponding aspects not provided for by any of codes A61K2800/81 - A61K2800/95
Definitions
- the present application is in the field of cosmetics and relates to a method for treating human hair, in which a cosmetic agent is applied to the hair and rinsed off again after an exposure time.
- the cosmetic agent is characterized in that it contains a mixture of organic C 1 -C 6 -alkoxysiloxanes, which is obtained by hydrolyzing and precondensing one or more organic C 1 -C 6 -alkoxysilanes in a targeted manner by adding water and a catalyst will.
- the hydrolysis and precondensation is carried out in the absence of a solvent other than water.
- Oxidation colorants are usually used for permanent, intensive colorations with good fastness properties and good gray coverage. Such colorants usually contain oxidation dye precursors, so-called developer components and coupler components, which form the actual dyes with one another under the influence of oxidizing agents such as hydrogen peroxide. Oxidation coloring agents are characterized by very long-lasting coloring results.
- color pigments are generally understood to mean insoluble, color-imparting substances. These are present in undissolved form in the form of small particles in the coloring formulation and are only deposited from the outside on the hair fibers and/or the surface of the skin. Therefore, they can usually be removed without leaving any residue with a few washes with detergents containing surfactants.
- Various products of this type are available on the market under the name of hair mascara.
- EP 2168633 B1 deals with the task of producing long-lasting hair coloring using pigments. The document teaches that when using a combination of pigment, organic silicon compound, hydrophobic polymer and a solvent, colorations can be produced on hair which are particularly resistant to shampooing.
- the organic silicon compounds used in EP 2168633 B1 are reactive compounds from the class of alkoxysilanes. These alkoxysilanes hydrolyze at high speed in the presence of water and form hydrolysis products and/or condensation products--depending on the amounts of alkoxysilane and water used in each case. The influence of the amount of water used in this reaction on the properties of the hydrolysis or condensation product is described, for example, in WO 2013068979 A2.
- a film or a coating forms on the keratin material, which completely envelops the keratin material and in this way greatly influences the properties of the keratin material.
- Possible areas of application are, for example, permanent styling or permanent changes in the shape of keratin fibers.
- the keratin fibers are brought into the desired shape mechanically and then fixed in this shape by forming the coating described above.
- Another particularly well suited application is the coloring of keratin material; in the context of this application, the coating or the film is produced in the presence of a coloring compound, for example a pigment.
- a coloring compound for example a pigment.
- the film colored by the pigment remains on the keratin material or the keratin fibers, and surprisingly wash-resistant colorations result.
- the great advantage of the coloring principle based on alkoxy silanes is that the high reactivity of this class of compounds enables very fast coating. Extremely good coloring results can be achieved after a very short period of use of just a few minutes.
- the high reactivity of alkoxysilanes also has some disadvantages. Even minor changes in production and application conditions, such as changes in humidity and/or temperature, can lead to large fluctuations in product performance. Above all, the work leading to this invention has shown that the alkoxysilanes are extremely sensitive to the conditions prevailing in the manufacture of the keratin treatment agents.
- the mixtures of alkoxysiloxanes used in this process should be prepared in a targeted manner so that the optimal performance properties are achieved in subsequent use.
- the agents produced in this way should have improved dyeing performance, i.e. when they are used in a dyeing process, dyeings with higher color intensity and improved fastness properties, in particular with improved fastness to washing and improved fastness to rubbing, should be achieved.
- the mixtures of alkoxysiloxanes used in the hair treatment process should have improved storage stability.
- a defined amount of water is therefore added to the organic C 1 -C 6 -alkoxysilanes used for the preparation, without prior mixing with an organic solvent, in order to initiate targeted hydrolysis. Simultaneously with or shortly after the hydrolysis, there is also a precondensation of the organic C 1 -C 6 -alkoxysilanes to form the C 1 -C 6 -alkoxy-siloxane mixtures.
- These C 1 -C 6 alkoxy siloxane mixtures are oligomeric compounds which, due to their partial hydrolysis or condensation, still have reactive groups and can react to form the final polymer, film or coating when applied to human hair.
- a first object of the present invention is a method for the treatment of keratinic material, in particular human hair, in which a cosmetic agent is applied to the keratinic material and rinsed off again after an exposure time, characterized in that the cosmetic agent is a mixture of organic C 1 - Contains C 6 alkoxy siloxanes, which is obtained by hydrolyzing and precondensing one or more organic C 1 -C 6 alkoxysilanes in a targeted manner by adding water and a catalyst, the hydrolysis and precondensation being carried out in the absence of a solvent other than water .
- Keratinic material means hair, skin, nails (such as fingernails and/or toenails). Wool, fur and feathers also fall under the definition of keratinic material.
- Keratinic material is preferably understood to mean human hair, human skin and human nails, in particular fingernails and toenails. Very particularly preferably, keratin material is understood as meaning human hair.
- composition for treating keratinous material Composition for treating keratinous material
- Agents for treating keratin material are understood to mean, for example, agents for coloring the keratin material, agents for reshaping or shaping keratin material, in particular keratin fibers, or also agents for conditioning or caring for the keratin material.
- the agents produced by the process according to the invention are particularly suitable for coloring keratinic material, in particular for coloring keratinic fibers, which are particularly preferably human hair.
- coloring agent is used in the context of this invention for coloring the keratin material, in particular the hair, caused by the use of coloring compounds, such as thermochromic and photochromic dyes, pigments, mica, direct dyes and/or oxidation dyes.
- coloring compounds such as thermochromic and photochromic dyes, pigments, mica, direct dyes and/or oxidation dyes.
- the aforementioned coloring compounds are deposited in a particularly homogeneous and smooth film on the surface of the keratin material or diffuse into the keratin fibers.
- the film forms in situ as a result of the reaction or further reaction of the already pre-condensed C 1 -C 6 -alkoxy Siloxanes, where the coloring compound(s) interact with this film or this coating or are incorporated therein.
- the cosmetic agent which is applied to the keratinic material, in particular human hair, and rinsed off again, according to the invention represents a ready-to-use agent.
- This ready-to-use agent can be filled into a container, for example, and in this form without further dilution, mixing or other Process steps are applied to the keratin material.
- the ready-to-use cosmetic product is produced by the hairdresser or user only shortly before use.
- the ready-to-use agent for example, the mixture of organic C 1 -C 6 -alkoxysiloxanes, which is made available in the form of a separately prepared concentrate, can be mixed with an aqueous cosmetic carrier formulation.
- the ready-to-use cosmetic agent by mixing three different preparations, the first preparation containing the mixture of organic C 1 -C 6 -alkoxysiloxanes, the second preparation representing the aqueous carrier and the third preparation further active - Or ingredients such as beispielsweies coloring substances, thickeners or acids and / or bases to adjust the desired pH may contain.
- siloxanes to mean chemical compounds with the general formula R3Si-[O-SiR2]n-O-SiR3, where the R radicals independently of one another can be hydrogen atoms, alkyl groups or else substituted alkyl groups.
- the silicon atoms are linked to their neighboring silicon atom by an oxygen atom: Si-O-Si.
- the index n indicates the degree of oligomerization or polymerization of the siloxane.
- the index n is usually from 0 to 1,000,000, or from 0 to 100,000, or from 0 to 10,000, or from 0 to 1000. When n is 0, the siloxane is in the form of a dimer.
- the organic C 1 -C 6 alkoxy siloxanes of the present invention are characterized in that at least one radical R represents a C 1 -C 6 alkoxy group.
- the C 1 -C 6 -alkoxy group bonded to the silicon atom represents a reactive leaving group which, when used on the keratin material, enables further condensation or oligomerization or polymerization.
- the organic C 1 -C 6 alkoxy siloxanes are produced by hydrolyzing and precondensing one or more organic C 1 Ce alkoxy silanes in a targeted manner by adding water and a catalyst be, but is dispensed with the addition of a solvent other than water in the reaction.
- the organic C 1 -C 6 -alkoxysilane or organic, non-polymeric silicon compounds are preferably selected from the group of silanes having one, two or three silicon atoms.
- Organic silicon compounds are compounds that either have a direct silicon-carbon bond (Si-C) or in which the carbon is bonded to the silicon via an oxygen, nitrogen, or sulfur atom. atom is linked.
- the organic silicon compounds according to the invention are preferably compounds containing one to three silicon atoms.
- the organic silicon compounds particularly preferably contain one or two silicon atoms.
- silane stands for a group of chemical compounds based on a silicon backbone and hydrogen.
- organic silanes some or all of the hydrogen atoms are replaced by organic groups such as (substituted) alkyl groups and/or alkoxy groups.
- the C 1 -C 6 -alkoxysilanes according to the invention thus comprise at least one structural unit R'R"R"'Si-O-(C 1 -C 6 -alkyl) where the radicals R', R" and R"' represent the three remaining bond valences of the silicon atom.
- the C 1 -C 6 -alkoxy group or groups bonded to the silicon atom are very reactive and are hydrolyzed at high speed in the presence of water, the reaction speed also depending, inter alia, on the number of hydrolyzable groups per molecule.
- the organic silicon compound preferably contains a structural unit R'R"R"'Si-O-CH2-CH3.
- the radicals R', R" and R"' again represent the three remaining free valences of the silicon atom.
- a cosmetic composition is used in the process according to the invention which contains a mixture of C 1 -C 6 -alkoxysiloxanes, in the preparation of which one or more organic C 1 -C 6 -alkoxysilanes of the formula (I) and/or (II) and/or (IV) can be used.
- a method according to the invention is characterized in that the cosmetic agent is a mixture of organic Contains C 6 alkoxy siloxanes, which is obtained by hydrolyzing and precondensing one or more organic C 1 -C 6 alkoxy silanes of the formula (I) and/or (II) and/or (IV) R 1 R 2 NL -Si(OR 3 ) a (R 4 )b (I) where - R 1 , R 2 independently represent a hydrogen atom or a C 1 -C 6 alkyl group, - L represents a linear or branched, divalent C 1 - C 20 alkylene group, - R 3 ,R 4 independently represent a C 1 -C 6 alkyl group, - a, represents an integer from 1 to 3, and - b represents the integer 3 - a, and (R 5 O)c(R 6 )dSi-(A)e-[NR7-(A')]f-[O-(A)
- R 1 , R 2 , R 3 , R 4 , R 5 , R 5 ', R 5 '', R 6 , R 6 ', R 6 '', R 7 , R 8 , L, A, A' , A'', A''' and A'''' in the compounds of formula (I) and (II) are exemplified below:
- Examples of a C 1 -C 6 -alkyl group are the groups methyl, ethyl, propyl , isopropyl, n-butyl, s-butyl and t-butyl, n-pentyl and n-hexyl.
- Propyl, ethyl and methyl are preferred alkyl radicals.
- Examples of a C 2 -C 6 -alkenyl group are vinyl, allyl, but-2-enyl, but-3-enyl and isobutenyl, preferred C 2 -C 6 -alkenyl radicals are vinyl and allyl.
- Preferred examples of a hydroxy-C 1 -C 6 - alkyl group are a hydroxymethyl, a 2-hydroxyethyl, a 2-hydroxypropyl, a 3-hydroxypropyl, a 4-hydroxybutyl group, a 5-hydroxypentyl and a 6 -hydroxyhexyl group; a 2-hydroxyethyl group is particularly preferred.
- Examples of an amino-C 1 -C 6 -alkyl group are the aminomethyl group, the 2-aminoethyl group, the 3-aminopropyl group.
- the 2-aminoethyl group is particularly preferred.
- Examples of a linear divalent C 1 -C 20 -alkylene group are, for example, the methylene group (-CH 2 -), the ethylene group (-CH 2 -CH 2 -), the propylene group (-CH 2 -CH 2 -CH 2 - ) and the butylene group (-CH 2 -CH 2 -CH 2 -CH 2 -).
- the propylene group (-CH 2 -CH 2 -CH 2 -) is particularly preferred.
- divalent alkylene groups can also be branched.
- examples of branched divalent C 3 -C 20 alkylene groups are (-CH 2 -CH(CH 3 )-) and (-CH 2 -CH(CH 3 )-CH 2 -).
- the radicals R 1 and R 2 independently represent a hydrogen atom or a C 1 -C 6 - alkyl group.
- the radicals R1 and R2 are very particularly preferably both a hydrogen atom.
- the structural unit or linker -L which stands for a linear or branched, divalent C 1 -C 20 -alkylene group.
- the C 1 -C 20 divalent alkylene group may alternatively also be referred to as a C 1 -C 20 divalent or divalent alkylene group, by which is meant that each -L- moiety can form two bonds.
- -L- preferably represents a linear, divalent C 1 -C 20 -alkylene group. More preferably -L- is a linear divalent C 1 -C 6 alkylene group.
- -L- is a methylene group (-CH 2 -), an ethylene group (-CH 2 -CH 2 -), a propylene group (-CH 2 -CH 2 -CH 2 -) or a butylene group (-CH 2 -CH 2 -CH 2 -CH 2 -).
- L is very particularly preferably a propylene group (-CH 2 -CH 2 -CH 2 -).
- the organic silicon compounds of the formula (I) R 1 R 2 NL-Si(OR 3 ) a (R 4 ) b (I) according to the invention each carry the silicon-containing grouping -Si(OR 3 ) a (R 4 ) b.
- R3 and R4 independently represent a C1-C6-alkyl group.
- R3 and R4 particularly preferably independently represent a methyl group or an ethyl group.
- a represents an integer from 1 to 3
- b represents the integer 3 - a. If a is 3, then b is 0. If a is 2, then b is 1. If a is 1, then b is 2.
- Keratin treating agents having particularly good properties could be prepared , if at least one organic C 1 -C 6 -alkoxysilane of the formula (I) was mixed with water or reacted, in which the radicals R 3 , R 4 independently represent a methyl group or an ethyl group. Furthermore, dyeings with the best fastness to washing could be obtained if at least one organic C.sub.1 -C.sub.6 -alkoxysilane of the formula (I) in which the radical a represents the number 3 was reacted with water. In this case, the radical b stands for the number 0.
- a method according to the invention is characterized in that the cosmetic agent contains a mixture of organic C 1 -C 6 -alkoxysiloxanes, which is obtained by one or several organic C 1 -C 6 -alkoxysilanes of the formula (I) are hydrolyzed and precondensed, where - R 3 , R 4 independently represent a methyl group or an ethyl group and - a represents the number 3 and - b represents the number 0 stands.
- a method according to the invention is characterized in that the cosmetic agent contains a mixture of organic C 1 -C 6 alkoxy siloxanes which is obtained by one or more organic C 1 -C 6 alkoxy silanes of the formula ( I) are specifically hydrolyzed and pre-condensed by adding water and catalyst, R 1 R 2 NL-Si(OR 3 ) a (R 4 ) b (I), where - R 1 , R 2 both represent a hydrogen atom, and - L represents a linear, divalent C 1 -C 6 -alkylene group, preferably stands for a propylene group (-CH 2 -CH 2 -CH 2 -) or for an ethylene group (-CH 2 -CH 2 -), - R3 stands for an ethyl group or a methyl group, - R 4 stands for a methyl group or for is an ethyl group, - a is the number 3 and - b is the number 0.
- Organic silicon compounds of the formula (I) which are particularly suitable for solving the problem of the invention are --(3-aminopropyl)triethoxysilane - (3-aminopropyl)trimethoxysilane - (2-aminoethyl)triethoxysilane - (2-aminoethyl)trimethoxysilane -(3-dimethylaminopropyl)trimethoxysilane - (2-dimethylaminoethyl)triethoxysilane.
- a method according to the invention is characterized in that the cosmetic agent is a mixture of organic C 1 -C 6 -alkoxysiloxanes contains, which is obtained by one or more organic C 1 -C 6 -alkoxysilanes selected from the group consisting of - (3-aminopropyl)triethoxysilane - (3-aminopropyl)trimethoxysilane -1-(3-aminopropyl)silanetriol - (2- aminoethyl)triethoxysilane - (2-aminoethyl)trimethoxysilane -1-(2-aminoethyl)silanetriol - (3-dimethylaminopropyl)triethoxysilane - (3-dimethylaminopropyl)trimethoxysilane -1-(3-dimethylaminopropyl)silanetriol - (2-dimethylaminopropyl)
- - (2-dimethylaminoethyl)trimethoxysilane and/or -1-(2-dimethylaminoethyl)silanetriol are specifically hydrolyzed and precondensed by adding water and a catalyst.
- the aforementioned organic silicon compounds of the formula (I) are commercially available.
- (3-aminopropyl)trimethoxysilane is commercially available from Sigma-Aldrich.
- (3-Aminopropyl)triethoxysilane is also commercially available from Sigma-Aldrich.
- a method according to the invention is characterized in that the cosmetic agent contains a mixture of organic C 1 -C 6 alkoxy siloxanes which is obtained by one or more organic C 1 -C 6 alkoxy silanes of the formula ( II) mixed with a solvent other than water and specifically hydrolyzed and precondensed by adding water and catalyst, (R 5 O)c(R 6 )dSi-(A)e-[NR7-(A')]f-[ O-(A'')]g-[NR8-(A''')]h-Si(R6')d'( OR5 ')c' (II).
- the organosilicon compounds of the formula (II) according to the invention carry the silicon-containing groups (R 5 O)c(R 6 )dSi- and -Si(R 6 ')d'(OR 5 ')c' at both ends.
- Each of the radicals e, f, g and h can independently represent the number 0 or 1, with the proviso that at least one of the radicals e, f, g and h is different from 0.
- an organic silicon compound of the formula (II) according to the invention contains at least one group from the group consisting of -(A)- and - [NR7-(A')]- and -[O-(A'')]- and - [NR8-(A''')]-.
- the radicals R 5 , R 5 ', R 5 '' are independent from one another for a C 1 -C 6 alkyl group.
- the radicals R 6 , R 6 'and R 6 '' independently represent a C 1 -C 6 -alkyl group.
- c represents an integer from 1 to 3, and d represents the integer 3 - c. If c is the number 3, then d is 0. If c is the number 2, then d is 1. If c is the number 1, then d is 2.
- c' is an integer from 1 to 3, and d' represents the integer 3 - c'. If c' is the number 3, then d' is 0. If c' is the number 2, then d' is 1. If c' is the number 1, then d' is 2. Colorings with the best fastness to washing could be obtained when the radicals c and c' both represent the number 3.
- a method according to the invention is characterized in that the cosmetic agent contains a mixture of organic C 1 -C 6 -alkoxysiloxanes, which is obtained by one or more organic C 1 -C 6 -alkoxysilanes of the formula (II) are specifically hydrolyzed and precondensed by adding water and catalyst, (R 5 O) c (R 6 ) d Si-(A) e -[NR 7 - (A')] f -[O-(A'')] g -[NR 8 -(A''')] h -Si(R 6 ') d' (OR 5 ') c' (II), where - R 5 and R 5 ' independently represent a methyl group or an ethyl group, - c and c' both represent the number 3, and - d and d' both represent the number 0.
- the organic silicon compounds according to the invention correspond to the formula (IIa) (R 5 O) 3 Si-(A) e -[NR 7 - (A')] f -[O-(A'')] g -[NR 8 -(A''')] h -Si(OR 5 ') 3 (IIa).
- the radicals e, f, g and h can, independently of one another, represent the number 0 or 1, with at least one radical from e, f, g and h being different from zero.
- the abbreviations e, f, g and h therefore define which of the groups -(A)e- and -[NR7-(A')]f- and -[O-(A'')]g- and - [NR8-(A''')]h- are located in the central part of the organic silicon compound of formula (II).
- the presence of certain groups has proven to be particularly advantageous with regard to achieving washfast dyeing results.
- Particularly good results can be obtained when at least two of the radicals e, f, g and h are the number 1.
- e and f both represent the number 1.
- g and h both represent the number 0.
- the organic silicon compound according to the invention of the formula (IIb) (R 5 O) c (R 6 ) d Si-(A)-[NR 7 -(A')]-Si(R 6 ') d' (OR 5 ') c' (IIb).
- the radicals A, A', A'', A''' and A''' independently represent a linear or branched, divalent C 1 -C 20 -alkylene group.
- the radicals A, A′, A′′, A′′′′ and A′′′′ independently of one another preferably represent a linear, divalent C 1 -C 20 -alkylene group.
- the radicals A, A′, A′′, A′′′′ and A′′′′ independently represent a linear divalent C 1 -C 6 -alkylene group.
- the C 1 -C 20 divalent alkylene group may alternatively also be referred to as a C 1 -C 20 divalent or divalent alkylene group, by which is meant that each moiety A, A', A'', A''' and A'''' can form two bonds.
- the radicals A, A′, A′′, A′′′′ and A′′′′ are particularly preferably, independently of one another, a methylene group (-CH 2 -), an ethylene group (-CH 2 -CH 2 -), a propylene group (-CH 2 -CH 2 -CH 2 -) or a butylene group (-CH 2 -CH 2 -CH 2 -CH 2 -).
- the radicals A, A′, A′′, A′′′′ and A′′′′ are very particularly preferably a propylene group (-CH 2 -CH 2 -CH 2 -).
- the organic silicon compound of the formula (II) according to the invention contains a structural grouping -[NR 7 -(A')]-.
- the organic silicon compound of the formula (II) according to the invention contains a structural grouping -[NR8-(A''')]-.
- the radicals R7 and R8 independently stand for a hydrogen atom, a C 1 -C 6 - alkyl group, a hydroxy-C 1 -C 6 -alkyl group, a C 2 -C 6 -alkenyl group, an amino-C 1 -C 6 group -alkyl- group or a moiety of formula (III) - (A'''')-Si(R 6 '')d''(OR 5 '')c'' (III).
- the radicals R7 and R8 are very particularly preferably, independently of one another, a hydrogen atom, a methyl group, a 2-hydroxyethyl group, a 2-alkenyl group, a 2-aminoethyl group or a group of the formula (III).
- f is the number 1 and h is 0, the organic silicon compound of the present invention contains the [NR7-(A')] moiety but not the -[NR8-(A''')] moiety. .
- the pretreatment agent (a) contains an organic silicon compound with 3 reactive silane groups.
- a method according to the invention is characterized in that the cosmetic agent contains a mixture of organic C 1 -C 6 alkoxy siloxanes which is obtained by one or more organic C 1 -C 6 alkoxy silanes of the formula ( II) are specifically hydrolyzed and precondensed by adding water and catalyst, (R 5 O)c(R 6 )dSi-(A)e-[NR7-(A')]f-[O-(A'')] g-[NR8-(A''')]h-Si(R6')d'(OR 5 ')c' (II), where - e and f both represent the number 1, - g and h both represent are the number 0, - A and A' independently represent a linear, divalent C 1 -C 6 -alkylene group and - R7 represents a hydrogen atom, a methyl group, a 2-hydroxyethyl group, a 2-alkenyl group, a 2-amin
- a method according to the invention is characterized in that the cosmetic agent contains a mixture of organic C 1 -C 6 alkoxy siloxanes which is obtained by one or more organic C 1 -C 6 alkoxy silanes of the formula ( II) are specifically hydrolyzed and precondensed by adding water and catalyst, where - e and f both represent the number 1, - g and h both represent the number 0, - A and A' independently represent a methylene group (-CH 2 -), an ethylene group (-CH 2 -CH 2 - ) or a propylene group (-CH 2 -CH 2 -CH 2 ), and - R7 represents a hydrogen atom, a methyl group, a 2-hydroxyethyl group, a 2-alkenyl group , a 2-aminoethyl group or a group of the formula (III).
- Organic silicon compounds of the formula (II) which are highly suitable for achieving the object of the invention are -3-(trime
- organic silicon compounds of the formula (II) are commercially available.
- bis(trimethoxysilylpropyl)amine with CAS number 82985-35-1 can be purchased from Sigma-Aldrich.
- bis[3-(triethoxysilyl)propyl]amine with CAS number 13497-18-2 is commercially available from Sigma-Aldrich.
- N-methyl-3-(trimethoxysilyl)-N-[3-(trimethoxysilyl)propyl]-1-propanamine is referred to as bis(3-trimethoxysilylpropyl)-N-methylamine and is commercially available from Sigma-Aldrich or Fluorochem .
- 3-(triethoxysilyl)-N,N-bis[3-(triethoxysilyl)propyl]-1-propanamine with CAS number 18784-74-2 can be purchased from Fluorochem or Sigma-Aldrich.
- a method according to the invention is characterized in that the cosmetic agent contains a mixture of organic C 1 -C 6 -alkoxy-siloxanes, which is obtained by one or more organic C 1 -C 6 -alkoxysilanes selected from the Group of - 3-(trimethoxysilyl)-N-[3-(trimethoxysilyl)propyl]-1-propanamine - 3-(triethoxysilyl)-N-[3-(triethoxysilyl)propyl]-1-propanamine - N-methyl-3 -(trimethoxysilyl)-N-[3-(trimethoxysilyl)propyl]-1-propanamine - N-methyl-3-(triethoxysilyl)-N-[3-(triethoxysilyl)propyl]-1-propanamine - 2-[bis[ 3-(trimethoxysilyl)propyl]amino]-ethanol -
- the cosmetic agent contains a mixture of organic C 1 -C 6 -alkoxysiloxanes which is obtained by mixing one or more organic C 1 -C 6 -alkoxysilanes of the formula (IV) mixed with a solvent other than water and specifically hydrolyzed and precondensed by adding water and catalyst (R9)mSi(OR 10 )k (IV).
- the compounds of formula (IV) are organosilicon compounds selected from silanes having one, two or three silicon atoms, where the organosilicon compound comprises one or more hydrolysable groups per molecule.
- a method according to the invention is characterized in that the cosmetic agent contains a mixture of organic C 1 -C 6 alkoxy siloxanes which is obtained by one or more organic C 1 -C 6 alkoxy silanes of the formula ( IV) mixed with a solvent other than water and specifically hydrolyzed and precondensed by adding water and catalyst, (R 9 ) m Si(OR 10 ) k (IV), where - R 9 represents a C 1 -C 12 alkyl group or a C 2 -C 12 alkenyl group, - R 10 represents a C 1 -C 6 -alkyl group, - k is an integer from 1 to 4, and - m is the number 4 - k.
- the radical R 9 is a C 1 -C 12 -alkyl group or a C 2 -C 12 -alkenyl group.
- This C 1 -C 12 alkyl group is saturated and can be linear or branched.
- the C 2 -C 12 alkenyl group is unsaturated, can contain one or more double bonds and can be linear or branched.
- R 9 is preferably a linear C 1 -C 8 - alkyl group.
- R 9 preferably represents a methyl group, an ethyl group, an n-propyl group, an n-butyl group, an n-pentyl group, an n-hexyl group, an n-octyl group or an n-dodecyl group.
- R9 is particularly preferably a methyl group, an ethyl group or an n-octyl group.
- the radical R10 is a C 1 -C 6 -alkyl group.
- R 10 is particularly preferably a methyl group or an ethyl group.
- k is an integer from 1 to 4
- m is the integer 4 - k.
- the silanes of the formula (IV) are tetra-C 1 -C 6 -alkoxysilanes. Examples of suitable silanes of this type are tetraethoxysilane or tetramethoxysilane. If k is 3, m is 1. In this case, the silanes of the formula (IV) are C 1 -C 12 -alkyl-tri-C 1 -C 6 -alkoxysilanes. If k is 2, m is 2. In this case, the silanes of the formula (IV) are di-C 1 -C 12 -alkyl-di-C 1 -C 6 -alkoxysilanes.
- the silanes of the formula (IV) are tri-C 1 -C 12 -alkyl-C 1 -C 6 -alkoxysilanes. Dyeings with the best fastness to washing could be obtained if at least one organic silicon compound of the formula (IV) in which the radical k represents the number 3 was used in the production of the preparation according to the invention. In this case, the remainder m stands for the number 1. Furthermore, particularly good results were obtained when at least one organic silicon compound of the formula (IV) was used in the production of the preparation according to the invention, in which the radical R 9 is a C 1 -C8 alkyl group and the radical R 10 is a methyl group or an ethyl group.
- a method according to the invention is characterized in that the cosmetic agent contains a mixture of organic C 1 - C 6 -alkoxy siloxanes, which is obtained by one or more organic C 1 -C 6 - alkoxysilanes of Formula (IV) are hydrolyzed and precondensed in a targeted manner by adding water and catalyst, (R 9 ) m Si(OR 1 0)k (IV), where - R 9 is a C 1 -C 8 -alkyl group, - R 10 represents a methyl group or an ethyl group, - k represents the number 3, and - m represents the number 1.
- Organic silicon compounds of the formula (IV) which are particularly suitable for solving the problem of the invention are - methyltrimethoxysilane - - ethyltrimethoxysilane
- n-hexyltrimethoxysilane also referred to as hexyltrimethoxysilane
- n-octyltrimethoxysilane also referred to as octyltrimethoxysilane
- n-octyltriethoxysilane also referred to as octyltriethoxysilane
- n-dodecyltrimethoxysilane also referred to as dodecyltrimethoxysilane
- n-dodecyltriethoxysilane also referred to as dodecyltriethoxysilane
- a method according to the invention is characterized in that the cosmetic agent contains a mixture of organic C 1 -C 6 -alkoxy-siloxanes, which is obtained by one or more organic C 1 -C 6 -alkoxysilanes selected from the Group of - methyltrimethoxysilane - methyltriethoxysilane - ethyltrimethoxysilane - ethyltriethoxysilane - hexyltrimethoxysilane - hexyltriethoxysilane - octyltrimethoxysilane - octyltriethoxysilane - dodecyltrimethoxysilane and/or - dodecyltriethoxysilane - vinyltrimethoxysilane - vinyltriethoxysilane - tetramethoxysilane - tetraethoxys
- a method according to the invention in a further preferred embodiment is characterized in that the cosmetic agent contains a mixture of organic C 1 -C 6 -alkoxy siloxanes, which is obtained by one or more organic C 1 -C 6 - alkoxysilanes hydrolyzed and precondensed, which are selected from the group consisting of - methyltrimethoxysilane - methyltriethoxysilane - ethyltrimethoxysilane - ethyltriethoxysilane - hexyltrimethoxysilane - hexyltriethoxysilane - octyltrimethoxysilane - octyltriethoxysilane - dodecyltrimethoxysilane, - dodecyltriethoxysilane, - vinyltrimethoxysilane - vinyltriethoxysilane - tetramethoxy
- Only one organic C 1 -C 6 -alkoxysilane from the group of compounds of the formula (I) can be used in the preparation of the mixture of C 1 -C 6 -alkoxysiloxanes, only one organic C 1 -C 6 -alkoxysilane from the group of compounds of the formula (II), or just an organic C 1 -C 6 -alkoxysilane from the group of compounds of the formula (IV) can be used.
- cosmetic agents with particularly advantageous properties were obtained when mixtures of different C1-C6- alkoxysilanes were also used in the preparation of the mixture of C1 -C6- alkoxysilanes .
- a method according to the invention is characterized in that the cosmetic agent contains a mixture of organic C 1 -C 6 -alkoxysiloxanes, which is obtained by one or more organic C 1 -C 6 -alkoxysilanes of the formula (I) and one or more organic C 1 -C 6 -alkoxysilanes of the formula (IV) in a weight ratio of (I)/(IV) from 1:1 to 1:10, preferably from 1:1 to 1:8, more preferably from 1:1 to 1:6, even more preferably from 1:1 to 1:4 and very particularly preferably from 1:2 to 1:4 to one another.
- 1 part by weight of (3-aminopropyl)triethoxysilane and 1 part by weight of methyltriethoxysilane can be used.
- 1 part by weight of (3-aminopropyl)-triethoxysilane and 1 part by weight of methyltrimethoxysilane can also be used.
- a weight ratio of the organic C 1 -C 6 -alkoxysilanes of the formula (I) and the organic C 1 -C 6 -alkoxysilanes of the formula (IV), ie at a weight ratio (I)/(IV), of 1:10 For example, 1 part by weight of (3-aminopropyl)triethoxysilane and 10 parts by weight of methyltriethoxysilane can be used. Furthermore, 1 part by weight of (3-aminopropyl)-triethoxysilane and 10 parts by weight of methyltrimethoxysilane can also be used.
- the weight ratios given are understood to mean the total amount of all organic C 1 -C 6 -alkoxysilanes of the formula (I) used in the preparation of the mixture of organic C 1 -C 6 -alkoxysiloxanes in relation to the total amount of all organic C 1 -C 6 -alkoxysilanes of formula (IV) is related.
- the weight ratio of (I)/(IV) is very particularly preferably from 1:1 to 1:8, more preferably from 1:1 to 1:6, even more preferably from 1:1 to 1:4 and completely particularly preferably from 1:2 to 1:4.
- the organic C 1 -C 6 -alkoxysilanes of the formula (IV) are in a two- to four-fold excess by weight compared to the organic C 1 -C 6 -alkoxysilanes of the formula (I). be used. Furthermore, good results were also obtained when both at least one organic C.sub.1 -C.sub.6 -alkoxysilane of the formula (I) and at least one organic C.sub.1 -C.sub.6 -alkoxysilane of the formula (II) were used.
- a method according to the invention is characterized in that the cosmetic agent contains a mixture of organic C 1 -C 6 alkoxy siloxanes which is obtained by one or more organic C 1 -C 6 alkoxy silanes of the formula (I ) and one or more organic C 1 -C 6 -alkoxysilanes of the formula (II) in a weight ratio of (I)/(II) from 1:1 to 1:10, preferably from 1:1 to 1:8, more preferably from 1:1 to 1:6, more preferably from 1:1 to 1:4 and most preferably from 1:2 to 1:4 to one another.
- the mixture of organic C 1 -C 6 -alkoxysiloxanes is preferably prepared in a reactor or reaction vessel suitable for this purpose.
- a reaction vessel that is very well suited for smaller batches is, for example, a glass flask usually used for chemical reactions with a capacity of 1 liter, 3 liters or 5 liters, for example a 3-liter single-neck or multi-neck flask with ground joints.
- a reactor is a delimited space (container, container) that was specially designed and manufactured to allow certain reactions to take place and to be controlled under defined conditions. For larger batches, it has proven advantageous to carry out the reaction in metal reactors.
- Typical reactors can have a capacity of 10 liters, 20 liters or 50 liters, for example.
- Double-walled reactors have two reactor shells or reactor walls, with a tempering liquid being able to circulate in the area located between the two walls. This enables the temperature to be set to the required values particularly well.
- the use of reactors, in particular double-walled reactors with an enlarged heat exchange surface, has also proven to be particularly well suited, it being possible for the heat exchange here to take place either through internal fittings or also through the use of an external heat exchanger.
- Corresponding reactors are, for example, laboratory reactors from IKA. In this context, the models "LR-2.ST” or the model "magic plant" can be called.
- reactors that can be used are reactors with a thin-film evaporator, since very good heat dissipation and therefore particularly precise temperature control can be carried out in this way.
- thin-film evaporators are also referred to as thin-film evaporators.
- Thin film evaporators can be purchased commercially from Asahi Glassplant Inc., for example. No solvents are used.
- the mixture of organic C 1 -C 6 -alkoxysilanes is produced by hydrolysis and precondensation of one or more organic C 1 -C 6 -alkoxysilanes by adding a defined amount of water and catalyst.
- the hydrolysis and precondensation takes place in the absence of a solvent other than water, which means that although water is mixed with the organic C 1 -C 6 -alkoxysilane(s) for the hydrolysis and precondensation, no further solvent is added to this reaction mixture is added.
- solvents that are not used are ethanol, methanol, isopropanol, tetrahydrofuran, dichloromethane, acetone, ethyl acetate and acetonitrile. It has proven particularly advantageous if the process according to the invention is carried out without adding a solvent from the group consisting of methanol, ethanol, isopropanol and acetone.
- a method according to the invention is therefore characterized in that the hydrolysis and precondensation in the absence of a solvent from the group consisting of methanol, ethanol, isopropanol, n-propanol, n-pentanol, n-hexanol, benzyl alcohol, 2-phenylethanol , 1,2-propanediol, 1,3-propanediol, glycerol, acetone, tetrahydrofuran, dichloromethane, ethyl acetate and acetonitrile is carried out.
- a solvent from the group consisting of methanol, ethanol, isopropanol, n-propanol, n-pentanol, n-hexanol, benzyl alcohol, 2-phenylethanol , 1,2-propanediol, 1,3-propanediol, glycerol, acetone, tetrahydro
- ethoxysilane eg methyltriethoxysilane
- ethanol is formed as an intermediate in the reaction mixture in a similar manner.
- These small amounts of alcohols, which are present as a result of the elimination of the leaving groups, are not added from the outside but are formed in the reaction mixture in the meantime as a result of the reaction.
- these intermediate amounts of alcohol are explicitly not to be understood as solvents present for the purposes of the present invention. It is essential for the subject matter of the present application that no additional solvent such as methanol, ethanol, isopropanol etc. is added from the outside to the reaction mixture of C 1 -C 6 -alkoxysilanes, water and catalyst (which is not a solvent).
- a first object of the present invention is a method for treating keratinic material, in particular human hair, wherein a cosmetic agent is applied to the keratinic material and rinsed off again after an exposure time, characterized in that the cosmetic agent is a mixture of organic Contains C 1 -C 6 -alkoxysiloxanes, which is obtained by one or more organic C 1 -C 6 - alkoxysilanes are hydrolyzed and precondensed in a targeted manner by adding water and catalyst, the hydrolysis and precondensation being carried out without the addition of a different water Solvent is carried out.
- adding the solvent means adding the solvent to the mixture of C 1 -C 6 -alkoxysilanes, water and catalyst.
- a method for treating keratinous material, in particular human hair is preferred, in which a cosmetic agent is applied to the keratinous material and rinsed off again after an exposure time, characterized in that the cosmetic agent is a mixture of organic C 1 -C 6 -alkoxy Contains siloxanes, which is obtained by hydrolyzing and precondensing one or more organic C 1 -C 6 -alkoxysilanes in a targeted manner by adding water and a catalyst, the hydrolysis and precondensing being carried out without adding a solvent from the group consisting of methanol, ethanol, isopropanol, n-propanol, n-pentanol, n-hexanol, benzyl alcohol, 2-phenylethanol, 1,2-propanediol, 1,3-propanediol, glycerol, acetone, tetrahydrofuran, dichloromethane, ethyl acetate and acetonitrile
- Water can be added, for example, by adding the water dropwise or by pouring it in to the organic C 1 -C 6 -alkoxysilane(s).
- the water can be added dropwise or at room temperature.
- the organic C 1 -C 6 -alkoxysilane or the organic C 1 -C 6 -alkoxysilane at a temperature of 30 to 80 ° C, preferably from 35 to 75 ° C, more preferably from 40 to 70°C and most preferably from 45 to 65°C before adding water and catalyst.
- a method according to the invention is characterized in that the organic C 1 -C 6 -alkoxysilane or organic silanes at a temperature of 30 to 80 ° C, preferably from 35 to 75 ° C, more preferably from 40 to 70 ° C and most preferably from 45 to 65°C before adding water and catalyst.
- the preferred and particularly preferred temperature ranges can be set by controlling the temperature of the reaction vessel or reactor.
- the reaction vessel or the reactor can be surrounded from the outside with a temperature control bath, which can be, for example, a water bath or a silicone oil bath.
- a temperature-controlled liquid can also be passed through the space which is formed by the two walls and which surrounds the reaction space. Since the hydrolysis reaction is exothermic, it has proven to be particularly advantageous to stir or mix the reaction mixture to improve heat dissipation.
- the water is therefore particularly preferably added with stirring.
- the reaction now initiated by the addition of water and catalyst continues to be exothermic, so that the reaction mixture remains in the preferred temperature ranges indicated above or can also heat up further without further supply of energy. It is preferred if caused by the exothermicity of the reaction conditional additional warming remains within a range of 5 to 20 °C. If the reaction mixture heats up beyond this range, it is advantageous to cool the mixture.
- the water can be added continuously, in portions or directly as a total amount. To ensure adequate temperature control, the reaction mixture is adjusted for the amount and rate of water addition. Depending on the amount of silanes used, the addition and reaction can take place over a period of 2 minutes to 72 hours.
- the addition of the water initiates a targeted hydrolysis of the organic C 1 -C 6 -alkoxysilanes.
- targeted hydrolysis means that some, but not all, of the C 1 -C 6 -alkoxy groups present in the organic C 1 -C 6 -alkoxysilanes are hydrolyzed.
- the targeted hydrolysis is particularly preferably carried out by adding a substoichiometric amount of water.
- the amount of water used is below the amount that would theoretically be required to hydrolyze all the hydrolyzable C 1 -C 6 -alkoxy groups present on the Si atoms, ie the alkoxysilane groups. Partial hydrolysis of the organic C 1 -C 6 -alkoxysilanes is therefore very particularly preferred.
- the molar equivalent of water is the molar ratio of the molar amount of water used to the total number of moles of hydrolyzable C 1 -C 6 - alkoxy groups that attach themselves to the C 1 -C 6 - are alkoxysilanes.
- the number of C 1 -C 6 alkoxy groups per C 1 -C 6 corresponds to -alkoxysilane of the number of C 1 -C 6 alkoxy groups present in the silane of this structure.
- n(alkoxy) corresponds to the number average of the C 1 -C 6 -alkoxy groups of the C 1 -C 6 -alkoxysilanes.
- Example 20.0 g of 3-aminopropyltriethoxysilane (C 9 H 23 NO 3 Si 221.37 g / mol) and 50.0
- the formula SW is adapted accordingly.
- the reaction of the organic C 1 -C 6 -alkoxysilanes with water can take place in various ways. The reaction starts as soon as the C 1 -C 6 -alkoxysilanes come into contact with water through mixing.
- an exothermic hydrolysis reaction takes place according to the following scheme (reaction scheme using 3-aminopropyltriethoxysilane as an example): Depending on the number of hydrolyzable C 1 -C 6 alkoxy groups per silane molecule, the hydrolysis reaction can also take place several times per C 1 -C 6 alkoxy silane used: Hydrolysis using the example of methyltrimethoxysilane: Depending on the amount of water used, the hydrolysis reaction can also take place several times per C 1 -C 6 -alkoxysilane used: Precondensation Subsequent to the hydrolysis or more or less simultaneously with the hydrolysis, the partially (or in parts also completely) hydrolyzed C 1 -C 6 -alkoxysilanes are condensed.
- the pre-condensation can take place, for example, according to the following scheme: Both partially hydrolyzed and fully hydrolyzed C 1 -C 6 -alkoxysilanes can take part in the condensation reaction and undergo a condensation with partially or completely hydrolyzed C 1 -C 6 -alkoxysilanes that have not yet reacted. Examples of possible condensation reactions are (shown using the mixture of (3-aminopropyl)triethoxysilane and methyltrimethoxysilane):
- condensation to give a dimer is shown in each case, but further condensations to give oligomers having a plurality of silane atoms are also possible and also preferred.
- a precondensation is therefore understood to mean the condensation of the organic C 1 -C 6 -alkoxysilanes to form at least one dimer.
- the first object of the present invention is a method for the treatment of keratinic material, in particular human hair, wherein a cosmetic agent is applied to the keratinic material and rinsed off again after an exposure time, characterized in that the cosmetic agent is a mixture of organic Contains C 1 -C 6 -alkoxysiloxanes, which is obtained by one or more organic C 1 -C 6 - alkoxysilanes are hydrolyzed and condensed by adding water, preferably by adding a substoichiometric amount of water, and catalyst, wherein the Hydrolysis and precondensation is carried out in the absence of a solvent other than water or without the addition of a solvent other than water.
- the cosmetic agent is a mixture of organic Contains C 1 -C 6 -alkoxysiloxanes, which is obtained by one or more organic C 1 -C 6 - alkoxysilanes are hydrolyzed and condensed by adding water, preferably by adding a substoichiometric
- the first subject of the present invention is a method for treating keratinic material, in particular human hair, wherein a cosmetic agent is applied to the keratinic material and rinsed off again after an exposure time, characterized in that the cosmetic agent is a mixture of organic Contains C 1 -C 6 -alkoxysiloxanes, which is obtained by mixing or reacting one or more organic C 1 -C 6 -alkoxysilanes with water, preferably a substoichiometric amount of water, and catalyst.
- Both partially hydrolyzed and fully hydrolyzed C 1 -C 6 -alkoxysilanes of the formula (I) can participate in these condensation reactions, for example, which a condensation with C 1 -C 6 -alkoxysilanes of the formula (I) which have not yet reacted, are partially or completely hydrolyzed. In this case, the C 1 -C 6 -alkoxysilanes of the formula (I) react with themselves.
- both partially hydrolyzed and fully hydrolyzed C 1 -C 6 -alkoxysilanes of the formula (I) can participate in the condensation reactions, the one Condensation with not yet reacted, partially or completely hydrolyzed C 1 -C 12 -alkyl-C 1 -C 6 -alkoxysilanes of the formula (IV) go through.
- the C 1 -C 6 -alkoxysilanes of the formula (I) react with the C 1 -C 6 -alkoxysilanes of the formula (IV).
- both partially hydrolyzed and fully hydrolyzed C 1 -C 6 -alkoxysilanes of the formula (IV) can also participate in the condensation reactions, which undergo a condensation with unreacted, partially or fully hydrolyzed C 1 -C 6 -alkoxy Go through silanes of formula (IV).
- the C 1 -C 6 -alkoxysilanes of the formula (IV) react with themselves.
- the condensation to form a dimer is shown, but the condensation to form oligomers with several silane atoms is also possible and also preferred.
- the extent of the condensation reaction is also determined by the amount of water added.
- the amount of water is preferably such that the pre-condensation is a partial condensation, "partial condensation” or “partial condensation” in this context meaning that not all condensable groups of the silanes present react with one another, so that the resulting organic silicon compound per molecule on average each has at least one hydrolyzable/condensable group.
- Catalyst In the production of the organic C 1 -C 6 alkoxy siloxanes, the organic C 1 - C 6 alkoxysilanes are hydrolyzed and precondensed in a targeted manner by adding water and a catalyst. The addition of the catalyst initiates or accelerates the hydrolysis reaction.
- a catalyst to be a substance that increases the reaction rate by lowering the activation energy of a chemical reaction without being consumed in the process.
- the catalyst can be added before, after or during the addition of the water.
- a catalyst that can be dissolved or dispersed in water and then added together with the water as a solution or dispersion to the Mixture of organic C 1 -C 6 -alkoxysilanes and solvent is added.
- the catalyst is very particularly preferably selected from the group consisting of inorganic or organic acids and inorganic or organic bases.
- catalyst aromatics are inorganic and organic acids, which can preferably be selected from the group consisting of sulfuric acid, hydrochloric acid, phosphoric acid, maleic acid, citric acid, tartaric acid, malic acid, lactic acid, acetic acid, methanesulfonic acid, benzoic acid, malonic acid, oxalic acid and 1-hydroxyethane-1 ,1-diphosphonic acid.
- sulfuric acid, hydrochloric acid and maleic acid are explicitly very particularly preferred.
- a process according to the invention is characterized in that the catalyst is selected from the group of inorganic and organic acids, preferably from the group of sulfuric acid, hydrochloric acid, phosphoric acid, maleic acid, citric acid, tartaric acid, malic acid, lactic acid, acetic acid, methanesulfonic acid, benzoic acid, malonic acid, oxalic acid and 1-hydroxyethane-1,1-diphosphonic acid.
- inorganic and organic bases which can preferably be selected from the group consisting of sodium hydroxide, potassium hydroxide, magnesium hydroxide and calcium hydroxide. Sodium hydroxide and potassium hydroxide are very particularly preferred.
- inorganic alkalizing agents or bases can also be used.
- Inorganic alkalizing agents that can be used according to the invention can be selected, for example, from the group formed by sodium phosphate, potassium phosphate, sodium silicate, sodium metasilicate, potassium silicate, sodium carbonate and potassium carbonate.
- a process according to the invention is characterized in that the catalyst is selected from the group of inorganic and organic bases, preferably from the group of sodium hydroxide, potassium hydroxide, magnesium hydroxide and calcium hydroxide.
- Metal catalysts can also be used to initiate or accelerate the above-described hydrolysis or condensation reaction.
- Suitable metal catalysts are, for example, tin or titanium based catalysts such as titanium tetrabutanolate, dibutyltin dilaurate and dibutyltin bis(acetylacetonate).
- the catalysts are preferably used in the amount ranges customary for catalysts. Since the catalysts accelerate the hydrolysis or condensation without being consumed themselves, the amounts used can be selected to be correspondingly small.
- the catalyst or catalysts can be used in a quantity range from 0.0000001 to 2.0% by weight, preferably from 0.0001 to 1.5% by weight and very particularly preferably from 0.01 to 1.0% by weight. % are used.
- the percentage by weight here relates to the total amount of catalyst used, which is related to the total amount of organic C 1 -C 6 -alkoxysiloxanes plus water.
- Methods of Preparing the Mixture of Organic C 1 -C 6 -Alkoxysiloxanes In principle, various methods are conceivable for preparing the mixture of organic C 1 -C 6 -alkoxysiloxanes .
- a possible production process is, for example, the following: i) A quantity of organic C 1 -C 6 -alkoxysilane, for example methyltrimethoxysilane or methyltriethoxysilane, is placed in a round bottom flask.
- the filled round bottom flask is equipped with a stirrer and a thermometer.
- the round bottom flask is then clamped into a stirring apparatus and connected to the cooling system.
- the contents of the flask are brought to the desired temperature by means of an oil bath while stirring at 500 rpm.
- the amount of water with catalyst is metered into the round bottom flask over 3 minutes using a 100 ml dropping funnel.
- the dropping funnel is removed from the apparatus and replaced with a new dropping funnel containing the previously calculated amount of another C 1 -C 6 organic alkoxysilane, for example (3-aminopropyl)triethoxysilane.
- This production process is particularly well suited when the catalyst used is at least one acid, for example an acid from the group consisting of sulfuric acid, hydrochloric acid, phosphoric acid, maleic acid, citric acid, tartaric acid, malic acid, lactic acid, acetic acid, methanesulfonic acid, benzoic acid, malonic acid, oxalic acid and 1-hydroxyethane-1,1-diphosphonic acid is used.
- at least one base preferably from the group consisting of sodium hydroxide, potassium hydroxide, magnesium hydroxide and calcium hydroxide, is used as the catalyst.
- a method according to the invention is characterized in that the cosmetic agent contains a mixture of organic C 1 - C6 alkoxy siloxanes which is obtained by (1) one or more organic C 1 -C 6 - Alkoxysilanes of the formula (IV) are heated to a temperature of 30 to 80° C., preferably 35 to 75° C., more preferably 40 to 70° C. and very particularly preferably 45 to 65° C.
- step (1) is stirred for a period of 1 minute to 3 hours
- step (2) the mixture obtained in step (1) is stirred for a period of 1 minute to 3 hours
- step (3) the mixture obtained in step (2) with one or more organic C 1 -C 6 - alkoxysilanes of Formula (I) is mixed
- step (3) is mixed with further water and catalyst
- step (5) the mixture obtained in step (3) or step (4) for a period of 30 Minutes to 24 hours is stirred.
- step (4) is optional.
- the reaction mixture obtained in step (3) can be mixed once more with water and catalyst.
- step (5) follows step (4).
- step (5) follows step (3), ie in this case the mixture obtained in step (3) is stirred again in step (5) for a period of 30 minutes to 24 hours.
- a method according to the invention is characterized in that (5) the mixture obtained in step (3) or in step (4) for a period of 30 minutes to 24 hours, preferably 40 to 18 hours, at a temperature of 30 to 80 ° C, preferably 40 to 70 °C, is stirred.
- a method according to the invention is further characterized in that the cosmetic agent contains a mixture of organic C 1 -C 6 -alkoxysiloxanes which is obtained by (1) one or more organic C 1 - C 6 -Alkoxysilane of the formula (IV) to a temperature of 30 to 80 ° C, preferably from 35 to 75 ° C, more preferably from 40 to 70 ° C and very particularly preferably from 45 to 65 ° C and heated with water and a catalyst from the group of inorganic and organic acids are mixed, then (2) the mixture obtained in step (1) is stirred for a period of 1 minute to 3 hours, then (3) the mixture obtained in step (2) with one or more organic C 1 -C 6 - alkoxysilanes of the formula (I) is mixed, then (4) the mixture obtained in step (3) is mixed with further water and a catalyst from the group of inorganic and organic bases, u and (5) the mixture obtained in step (3) or step (4) is stirred for a period of 30
- a method according to the invention is further characterized in that the cosmetic agent contains a mixture of organic C 1 -C 6 -alkoxysiloxanes which is obtained by (1) one or more organic C 1 - C 6 -Alkoxysilane of the formula (IV) to a temperature of 30 to 80 ° C, preferably from 35 to 75 ° C, more preferably from 40 to 70 ° C and very particularly preferably from 45 to 65 ° C and heated with water and a catalyst from the group consisting of sulfuric acid, hydrochloric acid, phosphoric acid, maleic acid, citric acid, tartaric acid, malic acid, lactic acid, acetic acid, methanesulfonic acid, benzoic acid, malonic acid, oxalic acid and 1-hydroxyethane-1,1-diphosphonic acid are mixed, then (2 ) the mixture obtained in step (1) is stirred for a period of 1 minute to 3 hours, then (3) the mixture obtained in step (2) with one or more
- a quantity of organic C 1 -C 6 -alkoxysilanes for example methyltrimethoxysilane and/or methyltriethoxysilane and/or (3-aminopropyl)triethoxysilane, is placed in a round bottom flask.
- a mixture of methyltriethoxysilane and (3-aminopropyl)triethoxysilane, a mixture of methyltriethoxysilane and (3-aminopropyl)triethoxysilane or a mixture of ethyltriethoxysilane and (3-aminopropyl)triethoxysilane are particularly preferably initially taken in this step.
- a particularly preferred method is characterized in that the cosmetic agent contains a mixture of organic C 1 -C 6 -alkoxysiloxanes which is obtained by (1) one or more organic C 1 -C 6 - Alkoxysilanes of the formula (I) and one or more organic C 1 -C 6 -alkoxysilanes of the formula (IV) are mixed together, (2) the mixture obtained in step (1) at a temperature of 30 to 80 ° C, preferably from 35 to 75°C, more preferably from 40 to 70°C and most preferably from 45 to 65°C and mixed with water and catalyst, and then (3) the mixture obtained in step (2) for a period of 1 minute to 24 hours, is stirred.
- the cosmetic agent contains a mixture of organic C 1 -C 6 -alkoxysiloxanes which is obtained by (1) one or more organic C 1 -C 6 - Alkoxysilanes of the formula (I) and one or more organic C 1 -C 6 -alkoxysilanes of the formula (
- a method according to the invention is characterized in that the cosmetic agent contains a mixture of organic C 1 - C6 alkoxy siloxanes which is obtained by (1) one or more organic C 1 -C 6 - Alkoxysilanes of the formula (I) are mixed with one or more organic C 1 -C 6 -alkoxysilanes of the formula (IV) and specifically hydrolyzed and precondensed by adding water and a catalyst.
- a preferred method according to the invention is characterized in that the cosmetic agent contains a mixture of organic C 1 -C 6 alkoxy siloxanes which is obtained by (1) one or more organic C 1 -C 6 alkoxy silanes of the formula (I) mixed with one or more organic C 1 -C 6 -alkoxysilanes of the formula (IV), and water and catalyst are added.
- the aforementioned method according to the invention is characterized in that (2) the mixture obtained in step (1) for a period of 1 minute to 24 hours, preferably 2 to 24 hours, at a temperature of 30 to 80°C, preferably from 40 to 70°C.
- the mixtures of organic C 1 -C 6 -alkoxysiloxanes produced in this way can alternatively also be referred to as silane blends.
- the organic C 1 -C 6 -alkoxysilanes used to prepare the mixture are partially hydrolyzed and condensed, so that dimeric, trimeric, oligomeric and, presumably, small amounts of polymeric C 1 -C 6 -alkoxysiloxanes with a higher molecular weight are present in the mixture are.
- the mixture still has reactive functional groups which only react when it is later applied to the keratin material and in this way can condense further to form even more highly polymeric systems.
- These mixtures are used in cosmetic agents for the treatment of keratin material, very durable and uniform films or coatings can be produced on the keratin material in this way.
- the agents applied to keratin materials, in particular to human hair, are usually agents with a high water content.
- the cosmetic agent used in the method of the first subject matter of the invention is also a ready-to-use agent that can be anhydrous or low in water, but also has a high water content, ie a Water content of more than 50% by weight, preferably more than 60% by weight and particularly preferably more than 70% by weight. Since the mixture of organic C 1 -C 6 -alkoxysiloxanes described above still contains reactive groups and can be hydrolyzed by excess water if stored for long periods, it is preferably made available to the user in the form of a low-water concentrate and only shortly before mixed with an aqueous carrier before use and diluted in this way.
- a method for treating keratin material, in particular human hair comprising the following steps in the order given: (i) providing a mixture of organic C 1 -C 6 -alkoxysiloxanes, the preparation of which has been described in detail above , (ii) mixing the mixture of organic C 1 -C 6 -alkoxysiloxanes with a cosmetic carrier, preferably an aqueous cosmetic carrier, in order to obtain a ready-to-use cosmetic agent, (iii) applying the cosmetic agent prepared in step (ii).
- step (i) of the process the mixture of organic C 1 -C 6 -alkoxysiloxanes is provided. This can be done, for example, in the form of a separately prepared blend or concentrate, which is preferably packed in an airtight manner.
- the user or hairdresser can mix this concentrate with a cosmetic carrier, preferably a water-based cosmetic carrier, in step (ii) in order to obtain a cosmetic agent that is ready for use.
- a cosmetic carrier preferably a water-based cosmetic carrier
- the mixture of organic C 1 -C 6 -alkoxysiloxanes preferably contains no other cosmetic ingredients.
- the cosmetic carrier can contain various other ingredients.
- the cosmetic ingredients that can optionally be used in the cosmetic carrier can be any suitable components in order to impart further positive properties to the agent.
- cosmetic ingredients from the group of thickening or film-forming polymers for example, cosmetic ingredients from the group of thickening or film-forming polymers, surface-active compounds from the group of non-ionic, cationic, anionic or zwitterionic/amphoteric surfactants, coloring compounds from the group of pigments, direct dyes, oxidation dye precursors, fatty components from the group of C8-C30 fatty alcohols , hydrocarbon compounds, fatty acid esters, acids and bases belonging to the group of pH regulators, perfumes, preservatives, plant extracts and protein hydrolysates are added.
- the C 1 -C 6 alkoxy siloxane mixture and the cosmetic carrier can be mixed, for example, by stirring or shaking.
- the C 1 -C 6 alkoxy siloxane mixture and the optionally water-containing cosmetic carrier can be mixed with one another in different proportions.
- the C 1 -C 6 -alkoxy-siloxane mixture is particularly preferably used in the form of a relatively highly concentrated, low-water silane blend which is virtually diluted by mixing with the water-containing cosmetic carrier. For this reason it is very particularly preferred to mix the C 1 -C 6 alkoxy siloxane mixture with a weight excess of cosmetic carrier.
- siloxane mixture is mixed with 20 parts by weight carrier, or 1 part by weight siloxane mixture is mixed with 10 parts by weight carrier, or 1 part by weight siloxane mixture is mixed with 5 parts by weight carrier.
- the use of an excess of C1-C6 alkoxy siloxane mixture is also conceivable, which is mixed with a deficit of cosmetic carrier. It may therefore also be preferred if 1 part by weight of siloxane mixture is mixed with 1 part by weight of carrier, or 1 part by weight of siloxane mixture is mixed with 0.5 part by weight of carrier.
- step (iii) of the method the ready-to-use cosmetic agent produced in step (ii) is applied to the keratinic material, in particular to human hair. It can be applied with the help of the gloved hand or with the help of a brush, a nozzle or an applicator. Thereafter, in step (iv), the applied agent is allowed to act in or on the keratinic material. Exposure times of 30 seconds to 60 minutes, preferably 1 to 30 minutes, more preferably 1 to 20 minutes and very particularly preferably 1 to 10 minutes are suitable here. Then, in step (v), the agent is rinsed off the keratin material or the hair. Rinsing is preferably done with tap water only.
- an after-treatment agent can optionally be applied to the keratinic material, left to act and then optionally rinsed out again.
- the keratin treatment method described above is a method for coloring human hair.
- the ready-to-use cosmetic agent applied in step (ii) particularly preferably additionally contains at least one pigment and/or one substantive dye.
- a method according to the invention is characterized in that it is a method for coloring human hair and that the ready-to-use cosmetic agent applied in step (iii) additionally contains at least one pigment and/or a substantive dye.
- an aftertreatment agent can also be preferred in particular if the method for treating keratin material is a coloring method in which a coloring compound, such as pigment in particular, is to be applied to the keratin materials in a subsequent step .
- a method according to the invention is characterized in that it is a method for coloring hair and the aftertreatment agent applied in step (vi) contains at least one pigment and/or a substantive dye. pigment and/or a substantive dye.
- pigments have proven to be very particularly preferred.
- the color-providing compound or compounds can be selected from the group of pigments and substantive dyes, it also being possible for the substantive dyes to be photochromic dyes and thermochromic dyes.
- pigments are understood to mean coloring compounds which have a solubility in water at 25° C. of less than 0.5 g/l, preferably less than 0.1 g/l, even more preferably less than 0. Possess 05 g/L.
- the water solubility can be determined, for example, using the method described below: 0.5 g of the pigment is weighed out in a glass beaker. A stir bar is added. Then one liter of distilled water is added.
- Suitable color pigments can be of inorganic and/or organic origin.
- an agent used in the method according to the invention is characterized in that it contains at least one coloring compound from the group of inorganic and/or organic pigments.
- Preferred color pigments are selected from synthetic or natural inorganic pigments.
- Inorganic color pigments of natural origin can be made from chalk, ochre, umber, green earth, burnt terra di sienna or graphite, for example.
- black pigments such as B. iron oxide black, colored pigments such.
- B. ultramarine or iron oxide red and fluorescent or phosphorescent pigments can be used.
- Colored metal oxides, metal hydroxides and metal oxide hydrates, mixed phase pigments, sulfur-containing silicates, silicates, metal sulfides, complex metal cyanides, metal sulfates, metal chromates and/or metal molybdates are particularly suitable.
- Particularly preferred color pigments are black iron oxide (CI 77499), yellow iron oxide (CI 77492), red and brown iron oxide (CI 77491), manganese violet (CI 77742), ultramarines (sodium aluminum sulfosilicates, CI 77007, pigment blue 29), hydrated chromium oxide (CI77289 ), Iron Blue (Ferric Ferrocyanide, CI77510) and/or Carmine (Cochineal).
- Coloring compounds from the group of pigments which are also particularly preferred according to the invention are colored pearlescent pigments. These are usually based on mica and/or Mica based and may be coated with one or more metal oxides. Mica belongs to the layered silicates.
- the mica mainly muscovite or phlogopite, is coated with a metal oxide.
- a method according to the invention is characterized in that the corresponding agent contains at least one coloring compound from the group of inorganic pigments, which is selected from the group of colored metal oxides, metal hydroxides, metal oxide hydrates, silicates, metal sulfides, complex metal cyanides , metal sulphates, bronze pigments and/or mica or mica based colored pigments coated with at least one metal oxide and/or one metal oxychloride.
- synthetic mica optionally coated with one or more metal oxide(s) can also be used as pearlescent pigment.
- Particularly preferred pearlescent pigments are based on natural or synthetic mica (mica) and are coated with one or more of the aforementioned metal oxides.
- a method according to the invention is characterized in that the corresponding agent contains at least one coloring compound from the group of pigments, which is selected from the group of colored metal oxides, metal hydroxides, metal oxide hydrates, silicates, metal sulfides, complex metal cyanides, Metal sulphates, bronze pigments and/or mica or mica based coloring compounds coated with at least one metal oxide and/or one metal oxychloride.
- a method according to the invention is characterized in that the corresponding agent contains at least one coloring compound selected from pigments based on mica or mica, which are coated with one or more metal oxides from the group consisting of titanium dioxide (CI 77891), black Iron oxide (CI 77499), yellow iron oxide (CI 77492), red and/or brown iron oxide (CI 77491, CI 77499), manganese violet (CI 77742), ultramarines (sodium aluminum sulfosilicates, CI 77007, pigment blue 29), hydrated chromium oxide (CI 77289), chromium oxide (CI 77288) and/or iron blue (Ferric Ferrocyanide, CI 77510).
- the corresponding agent contains at least one coloring compound selected from pigments based on mica or mica, which are coated with one or more metal oxides from the group consisting of titanium dioxide (CI 77891), black Iron oxide (CI 77499), yellow iron oxide (CI 77492), red and/or brown iron oxide (CI 7
- color pigments are commercially available, for example, under the trade names Rona®, Colorona®, Xirona®, Dicrona® and Timiron® from the company Merck, Ariabel® and Unipure® from Sensient, Prestige® from Eckart Cosmetic Colors and Sunshine® from Sunstar.
- Very particularly preferred color pigments with the trade name Colorona® are, for example: Colorona Copper, Merck, MICA, CI 77491 (IRON OXIDES) Colorona Passion Orange, Merck, Mica, CI 77491 (Iron Oxides), Alumina Colorona Patina Silver, Merck, MICA, CI 77499 (IRON OXIDES), CI 77891 (TITANIUM DIOXIDE) Colorona RY, Merck, CI 77891 (TITANIUM DIOXIDE), MICA, CI 75470 (CARMINE) Colorona Oriental Beige, Merck, MICA, CI 77891 (TITANIUM DIOXIDE), CI 77491 (IRON OXIDES) Colorona Dark Blue, Merck, MICA, TITANIUM DIOXIDE, FERRIC FERROCYANIDE Colorona Chameleon, Merck, CI 77491 (IRON OXIDES), MICA Colorona Abrare Amber, Merck, M
- particularly preferred color pigments with the trade name Unipure® are, for example: Unipure Red LC 381 EM, Sensient CI 77491 (Iron Oxides), Silica Unipure Black LC 989 EM, Sensient, CI 77499 (Iron Oxides), Silica Unipure Yellow LC 182 EM , Sensient, CI 77492 (Iron Oxides), Silica Timiron Synwhite Satin, Merck, Synthetic Fluorphlogopite, Titanium Dioxide,Tin Oxide Timiron Super Blue, Merck, Mica, CI 77891 (Titan Dioxide) Timiron Diamond Cluster MP 149, Merck, Mica, CI 77891 (Titanium dioxide) Timiron Splendid Gold, Merck, CI 77891 (Titanium dioxide), Mica, Silica Timiron Super Sulver, Merck, Mica, CI 77891 (Titanium dioxide)
- Particularly suitable organic pigments are, for example, carmine, quinacridone, phthalocyanine, sorghum, blue pigments with the Color Index numbers CI 42090, CI 69800, CI 69825, CI 73000, CI 74100, CI 74160, yellow pigments with the Color Index numbers CI 11680 , CI 11710, CI 15985, CI 19140, CI 20040, CI 21100, CI 21108, CI 47000, CI 47005, green pigments with the Color Index numbers CI 61565, CI 61570, CI 74260, orange pigments with the Color Index numbers CI 11725, CI 15510, CI 45370, CI 71105, red pigments with the Color Index numbers CI 12085, CI 12120, CI 12370, CI 12420 , CI 12490, CI 14700, CI 15525, CI 15580, CI 15620, CI 15630, CI 15800
- a method according to the invention is characterized in that the corresponding agent contains at least one coloring compound from the group of organic pigments selected from the group of carmine, quinacridone, phthalocyanine, sorghum, blue pigments with the Color Index Numbers Cl 42090, CI 69800, CI 69825, CI 73000, CI 74100, CI 74160, yellow pigments with the Color Index numbers CI 11680, CI 11710, CI 15985, CI 19140, CI 20040, CI 21100, CI 21108, CI 47000, CI 47005, green pigments with the Color Index numbers CI 61565, CI 61570, CI 74260, orange pigments with the Color Index numbers CI 11725, CI 15510, CI 45370, CI 71105, red pigments with the Color Index numbers CI 12085, CI 12120 , CI 12370, CI 12420, CI 12490, CI
- the corresponding agent contains
- the organic P igment it can also be a colored lacquer.
- the term colored lake is understood to mean particles which comprise a layer of absorbed dyes, the unit made up of particles and dye being insoluble under the above-mentioned conditions.
- the particles can be, for example, inorganic substrates, which can be aluminum, silica, calcium borosilicate, calcium aluminum borosilicate or aluminum.
- Alizarin color lake for example, can be used as the color lake. Due to their excellent light and temperature stability, the use of the aforementioned pigments in the agents according to the invention is particularly preferred. Furthermore, it is preferred if the pigments used have a specific particle size.
- the at least one pigment has an average particle size D 50 of from 1.0 to 50 ⁇ m, preferably from 5.0 to 45 ⁇ m, preferably from 10 to 40 ⁇ m, in particular from 14 to 30 ⁇ m.
- the mean particle size D50 can be determined, for example, using dynamic light scattering (DLS).
- Pigments with a specific shape can also be used to color the keratin material. For example, a pigment based on a lamellar and / or a lenticular substrate plates are used.
- a method according to the invention can be characterized in that the corresponding agent also contains one or more coloring compounds from the group of pigments based on a lamellar substrate platelet, pigments based on a lenticular substrate platelet and vacuum-metallized pigments.
- the substrate flakes of this type have an average thickness of at most 50 nm, preferably less than 30 nm, particularly preferably at most 25 nm, for example at most 20 nm.
- the average thickness of the substrate flakes is at least 1 nm, preferably at least 2.5 nm, particularly preferably at least 5 nm, for example at least 10 nm.
- Preferred ranges for the thickness of the substrate flakes are 2.5 to 50 nm, 5 to 50 nm, 10 to 50nm; 2.5 to 30nm, 5 to 30nm, 10 to 30nm; 2.5 to 25 nm, 5 to 25 nm, 10 to 25 nm, 2.5 to 20 nm, 5 to 20 nm and 10 to 20 nm.
- Each substrate plate preferably has a thickness that is as uniform as possible. Due to the small thickness of the substrate flakes, the pigment has a particularly high hiding power.
- the substrate plates have a monolithic structure. In this context, monolithic means consisting of a single self-contained unit without fractures, layers or inclusions, although structural changes can occur within the substrate platelets.
- the substrate flakes are preferably constructed homogeneously, ie no concentration gradient occurs within the flakes.
- the substrate flakes are not built up in layers and have no particles or particles distributed therein.
- the size of the small substrate can be adjusted to the respective application, in particular the desired effect on the keratin material.
- the substrate flakes have an average largest diameter of about 2 to 200 ⁇ m, in particular about 5 to 100 ⁇ m.
- the form factor (aspect ratio), expressed as the ratio of the average size to the average thickness, is at least 80, preferably at least 200, more preferably at least 500, particularly preferably more than 750.
- the mean size of the uncoated substrate flakes is the d50 value of the uncoated substrate flakes.
- the substrate flakes can be constructed from any material that can be formed into flake form. They can be of natural origin, but also produced synthetically. Materials from which the substrate flakes can be constructed are, for example, metals and metal alloys, metal oxides, preferably aluminum oxide, inorganic compounds and minerals such as mica and (semi)precious stones, and plastics.
- the substrate flakes are preferably constructed from metal (alloys). Any metal suitable for metallic luster pigments can be used as the metal.
- Such metals include iron and steel, as well as all air and water-resistant (semi)metals such as platinum, zinc, chromium, molybdenum and silicon, and their alloys such as aluminum bronze and brass.
- Preferred metals are aluminum, copper, silver and gold.
- Preferred substrate flakes are aluminum flakes and brass flakes, with aluminum substrate flakes being particularly preferred.
- Lamellar substrate platelets are characterized by an irregularly structured edge and are also referred to as "cornflakes" because of their appearance. Due to their irregular structure, pigments based on lamellar substrate flakes generate a high proportion of scattered light.
- the pigments based on lamellar substrate flakes do not completely cover the existing color of a keratinic material and, for example, effects analogous to natural graying can be achieved.
- Vacuum metallized pigments (vacuum metallized pigments, VMP) can be obtained, for example, by releasing metals, metal alloys or metal oxides from appropriately coated foils.
- substrate flakes which comprise a pigment metallized in a vacuum are also referred to as VMP substrate flakes.
- Aluminum VMP substrate flakes can be obtained, for example, by releasing aluminum from metallized foils.
- the substrate flakes made of metal or metal alloy can be passivated, for example by anodizing (oxide layer) or chromating.
- Uncoated lamellar, lenticular and/or VPM substrate flakes, in particular those made of metal or metal alloy reflect the incident light to a large extent and produce a light-dark flop, but no color impression.
- a color impression can be generated, for example, due to optical interference effects.
- Such pigments can be based on substrate flakes coated at least once. These show interference effects due to the superimposition of differently refracted and reflected light beams.
- preferred pigments are pigments based on a coated lamellar substrate platelet.
- the substrate flake preferably has at least one coating B made of a high-index metal oxide with a coating thickness of at least 50 nm. There is preferably another coating A between the coating B and the surface of the small substrate.
- Suitable materials for the coatings A, B and C are all substances which can be applied in the form of a film and permanently to the substrate flakes and, in the case of layers A and B, have the required optical properties.
- a coating of part of the surface of the substrate flakes is sufficient to obtain a pigment with a glossy effect.
- only the upper and/or lower side of the substrate flakes can be coated, with the side surface(s) being omitted.
- the entire surface of the optionally passivated substrate flakes, including the side surfaces, is preferably covered by coating B.
- the substrate flakes are thus completely encased by coating B. This improves the optical properties of the pigment and increases the mechanical and chemical resilience of the pigments.
- the coated substrate flakes preferably have only one coating A, B and, if present, C each.
- the coating B is made up of at least one metal oxide with a high refractive index. Materials with a high refractive index have a refractive index of at least 1.9, preferably at least 2.0 and particularly preferably at least 2.4.
- the coating B preferably comprises at least 95% by weight, particularly preferably at least 99% by weight, of high-index metal oxide(s).
- the coating B has a thickness of at least 50 nm. The thickness of coating B is preferably no more than 400 nm, particularly preferably at most 300 nm.
- High-index metal oxides suitable for coating B are preferably selectively light-absorbing (ie colored) metal oxides, such as iron(III) oxide ( ⁇ - and ⁇ -Fe2O3, red), cobalt(II) oxide (blue), chromium(III) oxide (green), titanium(III) oxide (blue, is usually present in a mixture with titanium oxynitrides and titanium nitrides) and vanadium(V) oxide (orange) and their mixtures. Colorless, high-index oxides such as titanium dioxide and/or zirconium oxide are also suitable.
- Coating B can contain a selectively absorbing dye, preferably 0.001 to 5% by weight, particularly preferably 0.01 to 1% by weight, based in each case on the total amount of coating B.
- Suitable organic and inorganic dyes are stable in have a metal oxide coating installed.
- the coating A preferably has at least one metal oxide and/or metal oxide hydrate with a low refractive index.
- Coating A preferably comprises at least 95% by weight, particularly preferably at least 99% by weight, of low-index metal oxide (hydrate).
- Materials with low refractive index have a refractive index of at most 1.8, preferably at most 1.6.
- the low-index metal oxides suitable for coating A include, for example, silicon (di)oxide, silicon oxide hydrate, aluminum oxide, aluminum oxide hydrate, boron oxide, germanium oxide, manganese oxide, magnesium oxide and mixtures thereof, silicon dioxide being preferred.
- the coating A preferably has a thickness of 1 to 100 nm, particularly preferably 5 to 50 nm, particularly preferably 5 to 20 nm.
- the distance between the surface of the substrate flakes and the inner surface of coating B is preferably at most 100 nm, particularly preferably at most 50 nm, particularly preferably at most 20 nm.
- the fact that the thickness of coating A and thus the distance between the surface of the substrate flakes and Coating B is in the range given above, it can be ensured that the pigments have high hiding power. If the pigment based on a lamellar substrate platelet has only one layer A, it is preferred that the pigment has a lamellar substrate platelet made of aluminum and a layer A made of silicon dioxide.
- the pigment based on a lamellar substrate flake has a layer A and a layer B, it is preferred that the pigment has a lamellar substrate flake made of aluminum, a layer A made of silicon dioxide and a layer B made of iron oxide.
- the pigments have a further coating C of a metal oxide (hydrate) which is different from the underlying coating B on.
- suitable metal oxides are silicon(di)oxide, silicon oxide hydrate, aluminum oxide, aluminum oxide hydrate, zinc oxide, tin oxide, titanium dioxide, zirconium oxide, iron(III) oxide and chromium(III) oxide. Silicon dioxide is preferred.
- the coating C preferably has a thickness of 10 to 500 nm, particularly preferably 50 to 300 nm.
- Layers A and C are used in particular as protection against corrosion and also for chemical and physical stabilization. Layers A and C particularly preferably contain silicon dioxide or aluminum oxide, which are applied by the sol-gel method.
- This method comprises dispersing the uncoated lamellar substrate flakes or the lamellar substrate flakes already coated with layer A and/or layer B in a solution of a metal alkoxide such as tetraethyl orthosilicate or aluminum triisopropoxide (usually in a solution of organic solvent or a mixture of organic solvent and water with at least 50% by weight organic solvent such as a C1 to C4 alcohol), and adding a weak base or acid to hydrolyze the metal alkoxide, thereby forming a film of the metal oxide on the surface of the (coated) substrate flakes.
- a metal alkoxide such as tetraethyl orthosilicate or aluminum triisopropoxide
- Layer B can be produced, for example, by hydrolytic decomposition of one or more organic metal compounds and/or by precipitation of one or more dissolved metal salts and any subsequent post-treatment (for example converting a hydroxide-containing layer formed into the oxide layer by tempering).
- each of the coatings A, B and/or C may be composed of a mixture of two or more metal oxide (hydrate)s, each of the coatings is preferably composed of one metal oxide (hydrate).
- the pigments based on coated lamellar or lenticular substrate flakes or the pigments based on coated VMP substrate flakes preferably have a thickness of 70 to 500 nm, particularly preferably 100 to 400 nm, particularly preferably 150 to 320 nm, for example 180 to 290 nm.
- the pigment Due to the small thickness of the substrate flakes, the pigment has a particularly high hiding power.
- the small thickness of the coated substrate flakes is achieved in particular by the fact that the thickness of the uncoated substrate flakes is small, but also by the fact that the thicknesses of the coatings A and, if present, C are set to the smallest possible value.
- the thickness of coating B determines the color impression of the pigment.
- the adhesion and abrasion resistance of pigments based on coated substrate plates in the keratin material can be significantly increased by modifying the outermost layer, layer A, B or C depending on the structure, with additional organic compounds such as silanes, phosphoric acid esters, titanates, borates or carboxylic acids becomes.
- the organic compounds are bound to the surface of the outermost layer A, B or C, which preferably contains metal oxide.
- the outermost layer refers to the layer that is spatially furthest away from the lamellar substrate plate.
- the organic compounds are preferably functional silane compounds which can bond to the layer A, B or C containing metal oxide. These can be either monofunctional or bifunctional compounds.
- bifunctional organic compounds are methacryloxypropenyltrimethoxysilane, 3-methacryloxypropyltrimethoxysilane, 3-acryloxypropyltrimethoxysilane, 2-acryloxyethyltrimethoxysilane, 3-methacryloxypropyltriethoxysilane, 3-acryloxypropyltrimethoxysilane, 2-methacryloxyethyltriethoxysilane, 2-acryloxyethyltriethoxysilane, 3-methacryloxypropyltris(methacryloxypropyltris(methacryloxy) yethoxy) 3-methacryloxypropyltris(butoxyethoxy)silane, 3-methacryloxypropyltris(propoxy)silane, 3-methacryloxypropyltris(butoxy)silane, 3-acryloxypropyltris(methoxyethoxy)silane, 3-acryloxypropyltris(butoxyethoxy)silane,
- a modification with a monofunctional silane in particular an alkyl silane or aryl silane, can take place.
- This has only one functional group which can bond covalently to the surface of pigment based on coated lamellar substrate flakes (ie to the outermost layer containing metal oxide) or, if the coverage is not quite complete, to the metal surface.
- the hydrocarbon residue of the silane points away from the pigment.
- a different degree of hydrophobicization of the pigment is achieved. Examples of such silanes are hexadecyltrimethoxysilane, propyltrimethoxysilane, etc.
- Pigments based on silicon dioxide-coated aluminum substrate flakes are particularly preferably surface-modified with a monofunctional silane. Octyltrimethoxysilane, octyltriethoxysilane, hecadecyltrimethoxysilane and hecadecyltriethoxysilane are particularly preferred. Due to the changed surface properties / water repellency an improvement in terms of adhesion, abrasion resistance and orientation in the application can be achieved. Suitable pigments based on a lamellar substrate flake include, for example, the pigments from Eckart's VISIONAIRE series.
- Pigments based on a lenticular substrate flake are available, for example, under the name Alegrace® Spotify from Schlenk Metallic Pigments GmbH.
- Pigments based on a substrate flake, which comprises a vacuum-metallized pigment are available, for example, under the name Alegrace® Marvelous or Alegrace® Aurous from Schlenk Metallic Pigments GmbH.
- the compositions according to the invention can also contain one or more direct dyes as coloring compounds.
- Direct dyes are dyes that are applied directly to the hair and do not require an oxidative process to develop the color. Direct dyes are usually nitrophenylenediamines, nitroaminophenols, azo dyes, anthraquinones, triarylmethane dyes or indophenols.
- the substantive dyes for the purposes of the present invention have a solubility in water (760 mmHg) at 25° C. of more than 0.5 g/l and are therefore not to be regarded as pigments.
- the substantive dyes for the purposes of the present invention preferably have a solubility in water (760 mmHg) at 25° C. of more than 1.0 g/l.
- the substantive dyes for the purposes of the present invention particularly preferably have a solubility in water (760 mmHg) at 25° C. of more than 1.5 g/l.
- Direct dyes can be divided into anionic, cationic and nonionic direct dyes.
- an agent according to the invention is characterized in that it contains at least one anionic, cationic and/or nonionic direct dye as the coloring compound.
- a method according to the invention is characterized in that the composition (B) and/or the composition (C) contains at least one color-providing compound from the group of anionic, nonionic and/or cationic direct dyes.
- Suitable cationic direct dyes are, for example, Basic Blue 7, Basic Blue 26, Basic Violet 2 and Basic Violet 14, Basic Yellow 57, Basic Red 76, Basic Blue 16, Basic Blue 347 (Cationic Blue 347/Dystar), HC Blue No.16 , Basic Blue 99, Basic Brown 16, Basic Brown 17, Basic Yellow 57, Basic Yellow 87, Basic Orange 31, Basic Red 51, Basic Red 76
- Nonionic substantive dyes such as nonionic nitro and quinone dyes and neutral azo dyes can be used.
- Suitable nonionic direct dyes are those under the international designations or trade names HC Yellow 2, HC Yellow 4, HC Yellow 5, HC Yellow 6, HC Yellow 12, HC Orange 1, Disperse Orange 3, HC Red 1, HC Red 3 , HC Red 10, HC Red 11, HC Red 13, HC Red BN, HC Blue 2, HC Blue 11, HC Blue 12, Disperse Blue 3, HC Violet 1, Disperse Violet 1, Disperse Violet 4, Disperse Black 9 known compounds , as well as 1,4-diamino-2-nitrobenzene, 2-amino-4-nitrophenol, 1,4-bis-(2-hydroxyethyl)-amino-2-nitrobenzene, 3-nitro-4-(2-hydroxyethyl)- aminophenol, 2-(2-Hydroxyethyl)amino-4,6-dinitrophenol, 4-[(2-Hydroxyethyl)amino]-3-nitro-1-methylbenzene, 1-amino-4-(2-hydroxyethyl)-amino-
- Anionic direct dyes are also referred to as acid dyes.
- Acid dyes are understood as meaning direct dyes which have at least one carboxylic acid group (—COOH) and/or one sulfonic acid group (—SO 3 H).
- the protonated forms (-COOH, -SO 3 H) of the carboxylic acid or sulfonic acid groups are in equilibrium with their deprotonated forms (-COO-, -SO3-).
- the proportion of the protonated forms increases.
- Acid dyes according to the invention can also be used in the form of their sodium salts and/or their potassium salts.
- the acid dyes for the purposes of the present invention have a solubility in water (760 mmHg) at 25° C. of more than 0.5 g/l and are therefore not to be regarded as pigments.
- the acid dyes for the purposes of the present invention preferably have a solubility in water (760 mmHg) at 25° C. of more than 1.0 g/l.
- the alkaline earth metal salts such as, for example, calcium salts and magnesium salts
- aluminum salts of acid dyes often have poorer solubility than the corresponding alkali metal salts. If the solubility of these salts is below 0.5 g/L (25 °C, 760 mmHg), they do not fall under the definition of a substantive dye.
- An essential feature of acid dyes is their ability to form anionic charges, with the carboxylic acid or sulfonic acid groups responsible for this usually being linked to different chromophoric systems.
- Suitable chromophoric systems are found, for example, in the structures of nitrophenylenediamines, nitroaminophenols, azo dyes, anthraquinone dyes, triarylmethane dyes, xanthene dyes, rhodamine dyes, oxazine dyes and/or indophenol dyes.
- One or more compounds from the following group can be selected as particularly suitable acid dyes, for example: Acid Yellow 1 (D&C Yellow 7, Citronin A, Ext. D&C Yellow No.
- Acid Red 14 (CI14 720), Acid Red 18 (E124, Red 18; CI 16255), Acid Red 27 (E 123, CI 16185, C-Red 46, Fast Red D, FD&C Red No.2, Food Red 9, Naphthol Red S), Acid Red 33 (Red 33, Fuchsia Red, D&C Red 33, CI 17200), Acid Red 35 (CI CI18065), Acid Red 51 (CI 45430, Pyrosine B, Tetraiodofluorescein, Eosin J, Iodeosine), Acid Red 52 (CI 45100, Food Red 106, Solar Rhodamine B, Acid Rhodamine B, Red n° 106 Pontacyl Brilliant Pink), Acid Red 73 (CI CI 27290), Acid Red 87 (Eosin, CI 45380), Acid Red 92 (COLIPA n° C53, CI 45410), Acid Red 95 (CI 45425, Erythtosine, Simacid Erythrosine Y), Acid Red 184
- Acid Green 50 (Brilliant Acid Green BS, CI44090, Acid Brilliant Green BS, E 142), Acid Black 1 (Black n° 401, Naphthalene Black 10B, Amido Black 10B, CI 20470, COLIPA n° B15), Acid Black 52 (CI 15711), Food Yellow 8 (CI 14270), Food Blue 5, D&C Yellow 8, D&C Green 5, D&C Orange 10, D&C Orange 11, D&C Red 21, D&C Red 27, D&C Red 33, D&C Violet 2 and/ or D&C Brown 1.
- the water solubility of the anionic direct dyes can be determined, for example, in the following way. 0.1 g of the anionic direct dye is placed in a beaker. A stir bar is added.
- Acid Yellow 1 is named 8-Hydroxy-5,7-dinitro-2-naphthalenesulfonic acid disodium salt and has a solubility in water of at least 40 g/L (25°C).
- Acid Yellow 3 is a mixture of the sodium salts of mono- and sulfonic acids of 2-(2-quinolyl)-1H-indene-1,3(2H)-dione and has a water solubility of 20 g/L (25 °C).
- Acid Yellow 9 is the disodium salt of 8-hydroxy-5,7-dinitro-2-naphthalenesulfonic acid, its water solubility is above 40 g/L (25 °C).
- Acid Yellow 23 is the trisodium salt of 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-((4-sulfophenyl)azo)-1H-pyrazole-3-carboxylic acid and good in water at 25°C soluble.
- Acid Orange 7 is the sodium salt of 4-[(2-hydroxy-1-naphthyl)azo]benzenesulfonate. Its water solubility is more than 7 g/L (25 °C).
- Acid Red 18 is the trisodium salt of 7-hydroxy-8-[(E)-(4-sulfonato-1-naphthyl)-diazenyl)]-1,3-naphthalenedisulfonate and has a very high water solubility of more than 20 wt. %.
- Acid Red 33 is the diantrium salt of 5-amino-4-hydroxy-3-(phenylazo)-naphthalene-2,7-disulphonate, its water solubility is 2.5 g/L (25 °C).
- Acid Red 92 is the disodium salt of 3,4,5,6-tetrachloro-2-(1,4,5,8-tetrabromo-6-hydroxy-3-oxoxanthen-9-yl)benzoic acid, its water solubility specified as greater than 10 g/L (25 °C).
- Acid Blue 9 is the disodium salt of 2-( ⁇ 4-[N-ethyl(3-sulfonatobenzyl)amino]phenyl ⁇ 4-[(N-ethyl(3-sulfonatobenzyl)imino]-2,5-cyclohexadien-1- ylidene ⁇ methyl)-benzenesulfonate and has a water solubility of more than 20% by weight (25 °C).
- Thermochromic dyes can also be used.
- Thermochromism includes the property of a material to change its color reversibly or irreversibly depending on the temperature This can be done by changing the intensity and/or the wavelength maximum.
- photochromic dyes it is also possible to use photochromic dyes.
- Photochromism includes the property of a material depending on the exposure to light, particularly UV light, reversibly or irreversibly changing its color. This can be done by changing the intensity and/or the wavelength maximum.
- Multi-component packaging unit kit-of-parts
- all the preparations required for the hair treatment process can be made available to the user in the form of a multi-component packaging unit (kit-of-parts).
- Another subject of the invention is a multi-component packaging unit (kit-of-parts) for treating keratin material, in particular human hair, which is manufactured separately from one another - a first packaging unit containing a cosmetic preparation (A) and - a second packaging unit containing a cosmetic Preparation (B) comprises, where - the cosmetic preparation (A) contains a mixture of organic C 1 -C 6 -alkoxysiloxanes, the preparation of which has been described in claims 1 to 14, and - the cosmetic preparation (B) contains an aqueous represents a cosmetic carrier which preferably contains at least one fatty component and/or at least one surfactant.
- fatty components are organic compounds with a solubility in water at room temperature (22° C.) and atmospheric pressure (760 mmHg) of less than 1% by weight, preferably less than 0.1% by weight. Roger that.
- the definition of fat components explicitly only includes uncharged (ie non-ionic) compounds.
- Fatty components have at least one saturated or unsaturated alkyl group with at least 12 carbon atoms.
- the molar weight of the fat components is at most 5000 g/mol, preferably at most 2500 g/mol and particularly preferably at most 1000 g/mol.
- the fat components are neither polyoxyalkylated nor polyglycerylated compounds.
- the fatty components are very particularly preferably selected from the group consisting of C 12 -C 30 fatty alcohols, C 12 -C 30 fatty acid triglycerides, C 12 -C 30 fatty acid monoglycerides, C 12 -C 30 fatty acid diglycerides and/or hydrocarbons .
- the C 12 -C 30 fatty alcohols can be saturated, mono- or polyunsaturated, linear or branched fatty alcohols having 12 to 30 carbon atoms.
- Examples of particularly preferred linear, saturated C12-C30 fatty alcohols are dodecan-1-ol (dodecyl alcohol, lauryl alcohol), tetradecan-1-ol (tetradecyl alcohol, myristyl alcohol), hexadecan-1-ol (hexadecyl alcohol, cetyl alcohol, palmityl alcohol), octadecan- 1-ol (octadecyl alcohol, stearyl alcohol), arachyl alcohol (eicosan-1-ol), heneicosyl alcohol (heneicosan-1-ol) and/or behenyl alcohol (docosan-1-ol).
- dodecan-1-ol dodecyl alcohol, lauryl alcohol
- tetradecan-1-ol tetradecyl alcohol, myristyl alcohol
- hexadecan-1-ol hexadecyl alcohol, cetyl alcohol, palmityl alcohol
- Preferred linear, unsaturated fatty alcohols are (9Z)-octadec-9-en- 1-ol (oleyl alcohol), (9E)-octadec-9-en-1-ol (elaidyl alcohol), (9Z,12Z)-octadeca-9,12-dien-1-ol (linoleyl alcohol), (9Z,12Z, 15Z)-octadeca-9,12,15-trien-1-ol (linolenoyl alcohol), gadoleyl alcohol ((9Z)-eicos-9-en-1-ol), arachidonic alcohol ((5Z,8Z,11Z,14Z)-eicosa -5,8,11,14-tetraen-1-ol), erucyl alcohol ((13Z)-docos-13-en-1-ol) and/or brassidyl alcohol ((13E)-docosen-1-ol).
- the preferred representatives of branched fatty alcohols are 2-octyl dodecanol, 2-hexyl dodecanol and/or 2-butyl dodecanol.
- surfactants (T) is taken to mean surface-active substances which form adsorption layers on surfaces and interfaces or can aggregate in volume phases to form micelle colloids or lyotropic mesophases.
- anionic surfactants consisting of a hydrophobic residue and a negatively charged hydrophilic head group
- amphoteric surfactants which carry both a negative and a compensating positive charge
- cationic surfactants which have a positively charged hydrophilic group in addition to a hydrophobic residue
- nonionic surfactants which have no charges but rather strong dipole moments and are strongly hydrated in aqueous solution.
- a method according to the invention is characterized in that the second preparation (B) contains at least one nonionic surfactant.
- Nonionic surfactants contain, for example, a polyol group, a polyalkylene glycol ether group or a combination of polyol and polyglycol ether groups as the hydrophilic group.
- examples of such compounds are - adducts of 2 to 50 moles of ethylene oxide and/or 0 to 5 moles of propylene oxide onto linear and branched fatty alcohols having 6 to 30 carbon atoms, the fatty alcohol polyglycol ethers or the fatty alcohol polypropylene glycol ethers or mixed fatty alcohol polyethers, - adducts of 2 to 50 Mol ethylene oxide and/or 0 to 5 mol propylene oxide with linear and branched fatty acids having 6 to 30 carbon atoms, fatty acid polyglycol ethers or fatty acid polypropylene glycol ethers or mixed fatty acid polyethers, adducts of 2 to 50 mol ethylene oxide and/or 0 to 5 mol propylene oxide to linear and branched
- the alkyl and alkenyl oligoglycosides can be derived from aldoses or ketoses having 5 or 6 carbon atoms, preferably from glucose.
- the preferred alkyl and/or alkenyl oligoglycosides are thus alkyl and/or alkenyl oligoglucosides.
- the index number p in the general formula (Tnio-2) indicates the degree of oligomerization (DP), ie the distribution of mono- and oligoglycosides, and represents a number between 1 and 10.
- the alkyl or alkenyl radical R 4 can be derived from primary alcohols having 4 to 11, preferably 8 to 10, carbon atoms. Typical examples are butanol, caproic alcohol, caprylic alcohol, capric alcohol and undecyl alcohol and the technical mixtures thereof obtained, for example, in the hydrogenation of technical fatty acid methyl esters or in the course of the hydrogenation of aldehydes from Roelen's oxosynthesis.
- the alkyl or alkenyl radical R 15 can also be derived from primary alcohols having 12 to 22, preferably 12 to 14, carbon atoms.
- Typical examples are lauryl alcohol, myristyl alcohol, cetyl alcohol, palmoleyl alcohol, stearyl alcohol, isostearyl alcohol, oleyl alcohol, elaidyl alcohol, petroselinyl alcohol, arachyl alcohol, gadoleyl alcohol, behenyl alcohol, erucyl alcohol, brassidyl alcohol and technical mixtures thereof, which can be obtained as described above.
- Alkyl oligoglucosides based on hardened C12/14 coconut alcohol with a DP of 1 to 3 are preferred.
- R 5 CO is an aliphatic acyl radical having 6 to 22 carbon atoms
- R 6 is hydrogen, an alkyl or hydroxyalkyl radical having 1 to 4 carbon atoms
- [Z] is a linear or branched polyhydroxyalkyl radical having 3 to 12 carbon atoms and 3 to 10 hydroxyl groups.
- the fatty acid N-alkylpolyhydroxyalkylamides are known substances which can usually be obtained by reductive amination of a reducing sugar with ammonia, an alkylamine or an alkanolamine and subsequent acylation with a fatty acid, a fatty acid alkyl ester or a fatty acid chloride.
- the fatty acid N-alkylpolyhydroxyalkylamides are preferably derived from reducing sugars having 5 or 6 carbon atoms, in particular from glucose.
- the preferred fatty acid N-alkyl polyhydroxyalkylamides are therefore fatty acid N-alkyl glucamides as represented by the formula (Tnio-4): R 7 CO-(NR 8 ) -CH 2 - [CH(OH)] 4 - CH 2 OH (Tnio-4)
- the fatty acid N-alkylpolyhydroxyalkylamides used are preferably glucamides of the formula (Tnio-4), where R 8 is hydrogen or an alkyl group and R 7 CO is the acyl radical of caproic acid, caprylic acid, capric acid, lauric acid , myristic acid, palmitic acid, palmoleic acid, stearic acid, isostearic acid, oleic acid, elaidic acid, petroselinic acid, linole
- Fatty acid N-alkylglucamides of the formula (Tnio-4) are particularly preferred, which are obtained by reductive amination of glucose with methylamine and subsequent acylation with lauric acid or C12/14 coconut fatty acid or a corresponding derivative.
- the polyhydroxyalkylamides can also be derived from maltose and palatinose.
- the fat component(s) and the surfactant(s) can - based on the total weight of the preparation (B) - be present in amounts ranging from 0.1 to 20% by weight, preferably from 1.0 to 10.0% by weight in the preparation ( B) be included.
- Siloxane Mixture 2 Acid Catalysis 85.0 g of hexyltrimethoxysilane were placed in a 500 ml round bottom flask and heated to 50° C. with stirring. Thereafter, 8.0 g of a 1% solution of sulfuric acid in water was added dropwise over a period of about 5 minutes. It was stirred for another 20 minutes.
- Siloxane mixture 4 - base catalysis In a 500 ml round bottom flask, 59.5 g of methyltriethoxysilane and 29.7 g of 3-aminopropyl)triethoxysilane were mixed together with stirring. This mixture was heated to 50°C with continued stirring. Thereafter, 10.8 g of a 5% solution of sodium hydroxide in water was added dropwise over a period of about 5 minutes. The temperature of the reaction mixture rose to 53°C. The mixture was stirred at 50° C. for a further 45 minutes and then filled into an airtight glass vessel. 2.
- Preparation (B) The ready-to-use colorant was prepared by shaking 10 g of preparation (A) and 100 g of preparation (B) (shaking for 3 minutes). Then a strand of hair (Kerling Euro natural hair white) was dipped into the ready-to-use colorant and left in it for 1 minute. Thereafter, excess agent was stripped from each strand of hair. Each strand of hair was then washed out with water and dried. The tresses were then evaluated visually under a daylight lamp. The following results were obtained:
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Abstract
La présente demande concerne un procédé de traitement d'un matériau kératinique, plus particulièrement de cheveux humains, un agent cosmétique étant appliqué au matériau kératinique et, après un temps d'exposition, étant rincé, caractérisé en ce que l'agent cosmétique contient un mélange d'alcoxy siloxanes organiques en C1 à C6, lequel mélange étant obtenu spécifiquement par hydrolyse et par précondensation d'un ou de plusieurs alcoxy siloxanes organiques en C1 à C6 par ajout d'eau et d'un catalyseur, et l'hydrolyse et la précondensation étant effectuées en l'absence d'un solvant différent de l'eau.
Applications Claiming Priority (2)
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DE102021201098.9A DE102021201098A1 (de) | 2021-02-05 | 2021-02-05 | Verfahren zur Behandlung von menschlichen Haaren mit Mitteln enthaltend Gemische aus organischen C1-C6-Alkoxy-Siloxanen |
PCT/EP2022/050556 WO2022167184A1 (fr) | 2021-02-05 | 2022-01-12 | Procédé de traitement de cheveux humains avec des agents contenant des mélanges d'alcoxy siloxanes organiques en c1 à c6 |
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EP4288028A1 true EP4288028A1 (fr) | 2023-12-13 |
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EP22701883.5A Pending EP4288028A1 (fr) | 2021-02-05 | 2022-01-12 | Procédé de traitement de cheveux humains avec des agents contenant des mélanges d'alcoxy-siloxanes organiques en c1- c6 |
Country Status (6)
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US (1) | US20240108563A1 (fr) |
EP (1) | EP4288028A1 (fr) |
JP (1) | JP2024506880A (fr) |
CN (1) | CN116829121A (fr) |
DE (1) | DE102021201098A1 (fr) |
WO (1) | WO2022167184A1 (fr) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
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DE19738866A1 (de) | 1997-09-05 | 1999-03-11 | Henkel Kgaa | Schaumarme Tensidmischungen mit Hydroxymischethern |
EP2168633B1 (fr) | 2008-09-30 | 2016-03-30 | L'Oréal | Composition cosmétique comprenant un composé organique du silicium comportant au moins une fonction basique, un polymère filmogène hydrophobe, un pigment et un solvant volatil |
FR2982155B1 (fr) | 2011-11-09 | 2014-07-18 | Oreal | Composition cosmetique comprenant au moins un alcoxysilane |
DE102018132893A1 (de) * | 2018-12-19 | 2020-06-25 | Henkel Ag & Co. Kgaa | Mittel zum Färben von Haaren enthaltend mindestens eine organische Siliciumverbindung I |
DE102019206914A1 (de) * | 2019-05-13 | 2020-11-19 | Henkel Ag & Co. Kgaa | Verfahren zum Färben von keratinischem Material, umfassend die Anwendung einer siliciumorganischen Verbindung, einer farbgebenden Verbindung und eines filmbildenden Polymers II |
DE102019207062A1 (de) * | 2019-05-15 | 2020-11-19 | Henkel Ag & Co. Kgaa | Mittel zur Behandlung von keratinischen Fasern enthaltend Silane bestimmter Formeln |
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- 2021-02-05 DE DE102021201098.9A patent/DE102021201098A1/de active Pending
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2022
- 2022-01-12 US US18/273,047 patent/US20240108563A1/en active Pending
- 2022-01-12 WO PCT/EP2022/050556 patent/WO2022167184A1/fr active Application Filing
- 2022-01-12 EP EP22701883.5A patent/EP4288028A1/fr active Pending
- 2022-01-12 JP JP2023547500A patent/JP2024506880A/ja active Pending
- 2022-01-12 CN CN202280013269.6A patent/CN116829121A/zh active Pending
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WO2022167184A1 (fr) | 2022-08-11 |
DE102021201098A1 (de) | 2022-08-11 |
CN116829121A (zh) | 2023-09-29 |
JP2024506880A (ja) | 2024-02-15 |
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