WO2023011792A1 - Mittel zum färben von keratinischem material, insbesondere menschlichen haaren, enthaltend aminosilikone und plättchenförmige metallpigmente - Google Patents
Mittel zum färben von keratinischem material, insbesondere menschlichen haaren, enthaltend aminosilikone und plättchenförmige metallpigmente Download PDFInfo
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- WO2023011792A1 WO2023011792A1 PCT/EP2022/066692 EP2022066692W WO2023011792A1 WO 2023011792 A1 WO2023011792 A1 WO 2023011792A1 EP 2022066692 W EP2022066692 W EP 2022066692W WO 2023011792 A1 WO2023011792 A1 WO 2023011792A1
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- 102000011782 Keratins Human genes 0.000 title abstract description 28
- 108010076876 Keratins Proteins 0.000 title abstract description 28
- 229920013822 aminosilicone Polymers 0.000 title description 9
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- 125000001064 morpholinomethyl group Chemical group [H]C([H])(*)N1C([H])([H])C([H])([H])OC([H])([H])C1([H])[H] 0.000 description 1
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- DGBWPZSGHAXYGK-UHFFFAOYSA-N perinone Chemical compound C12=NC3=CC=CC=C3N2C(=O)C2=CC=C3C4=C2C1=CC=C4C(=O)N1C2=CC=CC=C2N=C13 DGBWPZSGHAXYGK-UHFFFAOYSA-N 0.000 description 1
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- FYNROBRQIVCIQF-UHFFFAOYSA-N pyrrolo[3,2-b]pyrrole-5,6-dione Chemical compound C1=CN=C2C(=O)C(=O)N=C21 FYNROBRQIVCIQF-UHFFFAOYSA-N 0.000 description 1
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- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
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- NMEPHPOFYLLFTK-UHFFFAOYSA-N trimethoxy(octyl)silane Chemical compound CCCCCCCC[Si](OC)(OC)OC NMEPHPOFYLLFTK-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
- 125000000026 trimethylsilyl group Chemical group [H]C([H])([H])[Si]([*])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
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Classifications
-
- 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
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
-
- 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
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
- A61K8/89—Polysiloxanes
- A61K8/896—Polysiloxanes containing atoms other than silicon, carbon, oxygen and hydrogen, e.g. dimethicone copolyol phosphate
- A61K8/898—Polysiloxanes containing atoms other than silicon, carbon, oxygen and hydrogen, e.g. dimethicone copolyol phosphate containing nitrogen, e.g. amodimethicone, trimethyl silyl amodimethicone or dimethicone propyl PG-betaine
-
- 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
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q5/00—Preparations for care of the hair
- A61Q5/10—Preparations for permanently dyeing the hair
-
- 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
- A61Q5/12—Preparations containing hair conditioners
Definitions
- composition for coloring keratinous material, in particular human hair containing aminosilicones and platelet-shaped metal pigments
- the subject matter of the present application is an agent for coloring keratin material, in particular human hair, which contains at least one amino-functionalized silicone polymer and at least one platelet-shaped metal pigment.
- Another object of this application is a method for coloring keratinic material, in particular human hair, the agent described above being applied to the keratinic material and optionally rinsed out again after an exposure time of 30 seconds to 45 minutes.
- Oxidation colorants are usually used for permanent, intensive colorations with good fastness properties and good gray coverage. Such colorants contain oxidation dye precursors, so-called developer components and coupler components, which form the actual dyes among themselves 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. If the user wants particularly long-lasting colorations, the use of oxidative colorants has so far been his only option. However, despite numerous optimization attempts, an unpleasant smell of ammonia or amines cannot be completely avoided in oxidative hair coloring.
- the major challenge is to bind the pigments to the keratin material as long-lastingly and evenly as possible. Since the pigments cannot diffuse into the keratin material, they are usually fixed to the surface of the keratin material via various adhesive materials. Polymeric compounds such as aminosilicones, for example, can be used as fixing materials, which form a layer or a film on the keratin material, in which the pigments are then embedded. Depending on the strength or hydrophobicity of the colored layer, it can remain on the keratin material for several hair washes and in this way produce colorations with improved wash fastness.
- a first subject matter of the present invention is a composition for coloring keratin material, in particular human hair
- Keratinic material means hair, skin, nails (such as fingernails and/or toenails). Wool, fur and feathers also fall under the definition of keratin 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.
- coloring agent is used in the context of this invention for coloring the keratin material, in particular the hair, caused by the use of pigments.
- the pigments are deposited as coloring compounds in a particularly homogeneous and uniform film on the surface of the keratin material.
- the coloring agent represents a ready-to-use agent.
- This ready-to-use agent can be filled into a container, for example, and applied to the keratin material in this form without further dilution, mixing or other process steps.
- the ready-to-use cosmetic agent is only available from the hairdresser or user shortly before of the application is made.
- the amino-functionalized silicone polymer(s) (a1) can be mixed with the platelet-shaped metal pigment(s) (a2), with the components (a1) and/or (a2) being provided either in the form of a concentrate or else can each be present separately as an emulsion/dispersion in suitable separate cosmetic carriers.
- the agents can be mixed, for example, by stirring or shaking.
- a first subject matter of the present application is an agent for coloring keratin material, in particular human hair, which is preferably ready for use, contained in a cosmetic carrier
- the agent according to the invention contains at least one amino-functionalized silicone polymer (a1) as the first ingredient essential to the invention.
- the amino-functionalized silicone polymer can alternatively also be referred to as amino silicone or amodimethicone.
- Silicone polymers are generally macromolecules with a molecular weight of at least 500 g/mol, preferably at least 1000 g/mol, more preferably at least 2500 g/mol, particularly preferably at least 5000 g/mol, which comprise repeating organic units.
- the maximum molecular weight of the silicone polymer depends on the degree of polymerisation (number of polymerised monomers) and the batch size and is also determined by the polymerisation method. For the purposes of the present invention, it is preferred if the maximum molecular weight of the silicone polymer is not more than 10 7 g/mol, preferably not more than 10 g/mol and particularly preferably not more than 10 5 g/mol.
- the silicone polymers comprise many Si-O repeat units, where the Si atoms can carry organic radicals such as alkyl groups or substituted alkyl groups.
- a silicone polymer is therefore also referred to as polydimethylsiloxane.
- an amino-functionalized silicone polymer is understood to mean a functionalized silicone that carries at least one structural unit with an amino group.
- the amino-functionalized silicone polymer preferably carries a plurality of structural units each having at least one amino group.
- An amino group means a primary amino group, a secondary amino group and a tertiary amino group. All of these amino groups can be pro ned in an acidic environment and are then in their cationic form.
- amino-functionalized silicone polymers (a1) if they carry at least one primary, at least one secondary and/or at least one tertiary amino group.
- colorations with the highest color intensities were observed when an amino-functionalized silicone polymer (a1) was used on average, which contains at least one secondary amino group.
- an agent according to the invention is characterized in that it
- the secondary amino group(s) can be located at various positions of the amino-functionalized silicone polymer. Very particularly good effects were found when an amino-functionalized silicone polymer (a1) was used that has at least one, preferably more, structural units of the formula (Si-amino).
- an agent according to the invention is characterized in that the agent contains at least one amino-functionalized silicone polymer (a1) which comprises at least one structural unit of the formula (Si-amino), whereby
- ALK1 and ALK2 independently represent a linear or branched, divalent Ci-C2o-alkylene group.
- the positions marked with an asterisk (*) each indicate the bond to other structural units of the silicone polymer.
- the silicon atom adjacent to the star can be bonded to another oxygen atom, and the oxygen atom adjacent to the star can be bonded to another silicon atom or else to a C 1 -C 4 alkyl group.
- a divalent Ci-C2o-alkylene group can also be referred to as a divalent or divalent Ci-C2o-alkylene group, which means that each group ALK1 or AK2 can form two bonds.
- one bond is from the silicon atom to the ALK1 moiety, and the second bond is between ALK1 and the secondary amino group.
- one bond is from the secondary amino group to the ALK2 moiety and the second bond is between ALK2 and the primary amino group.
- Examples of a linear divalent Ci-C2o-alkylene group are, for example, the methylene group (-CH2-), the ethylene group (-CH2-CH2-), the propylene group (-CH2-CH2-CH2-) and the butylene group (-CH2-CH2-CH2-CH2-).
- the propylene group (-CH2-CH2-CH2-) is particularly preferred.
- divalent alkylene groups can also be branched. Examples of branched, divalent C3-C2o-alkylene groups are (-CH2-CH(CH3)-) and (-CH2-CH(CH3)-CH2-).
- the structural units of the formula (Si-amino) represent repeating units in the amino-functionalized silicone polymer (a1), so that the silicone polymer comprises a plurality of structural units of the formula (Si-amino).
- Particularly suitable amino-functionalized silicone polymers (a1) with at least one secondary amino group are listed below.
- an agent according to the invention is characterized in that it contains at least one amino-functionalized silicone polymer (a1) which comprises structural units of the formula (Si-I) and the formula (Si-II).
- a corresponding amino-functionalized silicone polymer with the structural units (Si-I) and (Sill) is, for example, the commercial product DC 2-8566 or Dowsil 2-8566 Amino Fluid, which is sold commercially by the Dow Chemical Company and which bears the name "Siloxanes and Silicones, 3-[(2-aminoethyl)amino]-2-methylpropyl Me, Di-Me-Siloxane” and the CAS number 106842-44-8.
- Another amino-functionalized silicone polymer having structural units (Si-I) and (Si-II) is, for example, the commercial product DOWSILTM AP-8568 Amino Fluid, which is also commercially available from the Dow Chemical Company.
- an agent according to the invention is characterized in that it contains at least one amino-functional silicone polymer (a1) of the formula of the formula (Si-III), where m and n are numbers chosen such that the sum (n + m) is in the range from 1 to 1000, n is a number in the range 0 to 999 and m is a number in the range 1 to 1000,
- agents preferred according to the invention are characterized by their content of at least one amino-functional silicone polymer (a1) of the formula of the formula (Si-IV), where p and q are numbers chosen such that the sum (p + q) is in the range 1 to 1000, p is a number in the range 0 to 999 and q is a number in the range 1 to 1000 ,
- R1 and R2 which are different, represent a hydroxy group or a C1-4 alkoxy group, at least one of the groups R1 to R2 representing a hydroxy group.
- the silicones of the formulas (Si-III) and (Si-IV) differ in the grouping on the Si atom which carries the nitrogen-containing group:
- R2 denotes a hydroxy group or a C1-4 alkoxy group, while the residue in formula (Si-IV) is a methyl group.
- Agents according to the invention which contain at least one amino-functional silicone polymer (a1) of the formula (Si-V) have also proven to be particularly effective with regard to the desired effects in the
- A represents a group -OH, -O-Si(CH 3 ) 3 , -O-Si(CH 3 ) 2 OH , -O-Si(CH 3 ) 2 OCH 3 ,
- D is a group -H, -Si( CH3 ) 3 , -Si( CH3 )2OH, -Si( CH3 ) 2OCH3 , b, n and c are integers between 0 and 1000, with the provisos
- the individual siloxane units with the indices b, c and n are randomly distributed, i.e. they do not necessarily have to be block copolymers.
- the agent (a) can also contain one or more different amino-functionalized silicone polymers that are represented by the formula (Si-VI)
- R is a hydrocarbon or a hydrocarbon radical with is from 1 to about 6 carbon atoms
- Q is a polar radical of the general formula -R 1 HZ, where R 1 is a divalent linking group bonded to hydrogen and the radical Z composed of carbon and hydrogen atoms, carbon, hydrogen and oxygen atoms or carbon, hydrogen and nitrogen atoms, and Z is an organic amino-functional residue containing at least one amino-functional group;
- "a” takes values in the range from about 0 to about 2
- "b” takes values in the range from about 1 to about 3
- "a" + "b” is less than or equal to 3
- "c” is a number in the range from about 1 to about 3
- x is a number ranging from 1 to about 2,000, preferably from about 3 to about 50, and most preferably from about 3 to about 25, and y is
- Non-limiting examples of the groups represented by R include alkyl groups such as methyl, ethyl, propyl, isopropyl, isopropyl, butyl, isobutyl, amyl, isoamyl, hexyl, isohexyl and the like; alkenyl radicals such as vinyl, halovinyl, alkylvinyl, allyl, haloallyl, alkylallyl; cycloalkyl radicals such as cyclobutyl, cyclopentyl, cyclohexyl and the like; phenyl radicals, benzyl radicals, halohydrocarbon radicals such as 3-chloropropyl, 4-bromobutyl, 3,3,3-trifluoropropyl, chlorocyclohexyl, bromophenyl, chlorophenyl and the like, and sulfur-containing radicals such as mercaptoethyl, mercaptopropyl,
- R 1 examples include methylene, ethylene, propylene, hexamethylene, decamethylene, -CH 2 CH(CH 3 )CH 2 -, phenylene, naphthylene, -CH 2 CH 2 SCH 2 CH 2 -, -CH 2 CH 2 OCH 2 - , -OCH 2 CH 2 -, -OCH 2 CH 2 CH 2 -, -CH 2 CH(CH 3 )C(O)OCH 2 -, -(CH 2 ) 3 CC(O)OCH 2 CH 2 -, - C6H4C6H4- , -C6H4CH2C6H4- ; and -(CH 2 ) 3 C(O)SCH 2 CH 2 - a.
- Z is an organic, amino-functional residue containing at least one amino functional group.
- a possible formula for Z is NH(CH 2 ) Z NH 2 where z is 1 or more.
- Another possible formula for Z is -NH(CH 2 ) Z (CH 2 ) ZZNH , where both z and zz are independently 1 or more, this structure includes diamino ring structures such as piperazinyl.
- Z is most preferably an -NHCH 2 CH 2 NH 2 group.
- Another possible formula for Z is -N(CH 2 ) Z (CH 2 ) ZZ NX 2 or -NX 2 where each X of X 2 is independently selected from the group consisting of hydrogen and alkyl groups having 1 to 12 carbon atoms, and z is 0.
- Q is most preferably a polar amine functional group of the formula -CH 2 CH 2 CH 2 NHCH 2 CH 2 NH 2 .
- "a” takes values ranging from about 0 to about 2
- "b” takes values ranging from about 2 to about 3
- "a” + "b” is less than or equal to 3
- "c " is a number ranging from about 1 to about 3.
- the molar ratio of R a Qb SiO(4- a -b)/2 units to R c SiO(4- C )/2 units is in the range of from about 1:2 to 1:65, preferably from about 1:5 to about 1:65, and most preferably from about 1:15 to about 1:20.
- the various variable substituents in the above formula may vary with the various silicone components present in the silicone blend.
- an agent according to the invention is characterized in that it contains at least one amino-functional silicone polymer of the formula (Si-VII),
- - G is -H, a phenyl group, -OH, -O-CH 3 , -CH 3 , -O-CH 2 CH 3 , -CH 2 CH 3 , -O-
- n and n are numbers whose sum (m+n) is between 1 and 2000, preferably between 50 and 150, n preferably having values from 0 to 1999 and in particular from 49 to 149 and m preferably having values from 1 to 2000, in particular from 1 to 10 assumes
- R' is a monovalent radical selected from o -QN(R")-CH 2 -CH 2 -N(R") 2 o -QN(R") 2 o -QN + (R") 3 A- o - QN + H(R") 2 A- o -QN + H 2 (R")A- o -QN(R")-CH 2 -CH 2 -N + R"H 2 A- , where each Q represents a chemical bond, -CH 2 -, -CH 2 -CH 2 -, -CH 2 CH 2 CH 2 -, -C(CH 3 ) 2 - , -CH 2 CH 2 CH 2 CH 2 -, -CH 2 C( CH 3 ) 2 -, -CH(CH 3 )CH 2 CH 2 -,
- R" are identical or different radicals from the group -H, -phenyl, -benzyl, -CH 2 -CH(CH 3 )Ph, the Ci- 2 o-alkyl radicals, preferably -CH 3 , -CH 2 CH 3 , - CH2 CH2 CH3 , -CH( CH3 ) 2 , -CH2 CH2 CH2 H3 , -CH2 CH(CH3 ) 2 , -CH( CH3 ) CH2 CH3 , -C (CH 3 ) 3 , and A represents an anion which is preferably selected from chloride, bromide, iodide or methosulfate.
- an agent according to the invention is characterized in that it contains at least one amino-functional silicone polymer (a1) of the formula (Si-VIla),
- m and n are numbers whose sum (m+n) is between 1 and 2000, preferably between 50 and 150, n preferably having values from 0 to 1999 and in particular from 49 to 149 and m preferably assumes values from 1 to 2000, in particular from 1 to 10.
- these silicones are referred to as trimethylsilyl amodimethicone.
- an agent according to the invention is characterized in that it contains at least one amino-functional silicone polymer of the formula (Si-VIIb). R-[Si(CH3)2-O]ni[Si(R)-O]m-[Si( CH3 )2]n2-R (Si-Vllb),
- n1 and n2 are numbers whose sum (m + n1 + n2) is between 1 and 2000, preferably between 50 and 150, where the sum (n1+n2) preferably assumes values from 0 to 1999 and in particular from 49 to 149 and m preferably assumes values from 1 to 2000, in particular from 1 to 10.
- these amino-functionalized silicone polymers are referred to as amodimethicones.
- agents according to the invention which contain an amino-functional silicone polymer (a1) whose amine number is above 0.25 meq/g, preferably above 0.3 meq/g and in particular above 0.4 meq/g lies.
- the amine number stands for the milliequivalents of amine per gram of the amino-functional silicone. It can be determined by titration and also given in units of mg KOH/g.
- This amino-functionalized silicone polymer comprises structural units of formulas (SI-VIII) and formula (Si-IX)
- a preferred amino functionalized silicone polymer is under the name Amodimethicone/Morpholinomethyl Silsesquioxane Copolymer is known and in the form of raw material
- a silicone which has structural units of the formulas (Si-VIII), (Si-IX) and (Si-X) can, for example, be used as the 4-morpholinomethyl-substituted silicone in which
- R1 is -CH3, -OH, -OCH3, -O-CH2CH3, -O-CH2CH2CH3, or -O-CH( CH3 )2;
- R2 is -CH3, -OH, or -OCH3.
- Particularly preferred agents according to the invention contain at least one 4-morpholinomethyl-substituted silicone of the formula (Si-XI)
- R1 is -CH3, -OH, -OCH3, -O-CH2CH3, -O-CH2CH2CH3, or -O-CH( CH3 )2;
- R2 is -CH3, -OH, or -OCH3.
- B represents a group -OH, -O-Si(CH3)3, -O-Si( CH3 )2OH, -O-Si( CH3 )2OCH3,
- Structural formula (Si-XI) is intended to make it clear that the siloxane groups n and m do not necessarily have to be bonded directly to an end group B or D, respectively. Rather, in preferred formulas (Si-VI) a > 0 or b > 0 and in particularly preferred formulas (Si-VI) a > 0 and c > 0, i.e. the terminal group B or D is preferably attached to a dimethylsiloxy group bound. In formula (Si-VI) too, the siloxane units a, b, c, m and n are preferably randomly distributed.
- particularly preferably used silicones are selected from silicones in which
- the agent according to the invention contains the amino-functionalized silicone polymer or polymers (a1) in specific quantity ranges. Particularly good results could be obtained if the agent - based on the total weight of the agent - one or more amino-functionalized silicone polymers (a1) in a total amount of 0.1 to 8.0 wt .-%, preferably 0.2 to 5.0 % by weight, more preferably from 0.3 to 3.0% by weight and most preferably from 0.4 to 2.5% by weight.
- an agent according to the invention is characterized in that - based on the total weight of the agent - one or more amino-functionalized silicone polymers (a1) in a total amount of 0.1 to 8.0% by weight, preferably 0 .2 to 5.0% by weight, more preferably from 0.3 to 3.0% by weight and very particularly preferably from 0.4 to 2.5% by weight.
- the agent according to the invention contains at least one platelet-shaped metal pigment (a2) as the second essential component.
- 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. This mixture is heated to 25°C with stirring on a magnetic stirrer for one hour. If undissolved components of the pigment are still visible in the mixture after this period, the solubility of the pigment is below 0.5 g/L.
- the mixture is filtered. If a proportion of undissolved pigments remains on the filter paper, the solubility of the pigment is below 0.5 g/L.
- metals are the corresponding elements mentioned here with the oxidation state 0, i.e. metal oxides such as aluminum oxide, iron oxide, zinc oxide or copper oxide are explicitly not to be understood as metals.
- an agent according to the invention is characterized in that it
- (a2) contains at least one platelet-shaped metal pigment that comprises at least one metal from the group consisting of aluminum, copper, silver, gold, platinum, zinc, chromium, molybdenum and iron, particularly preferably aluminum.
- an agent according to the invention is characterized in that it
- (a2) contains at least one platelet-shaped metal pigment that includes aluminum.
- an agent according to the invention is characterized in that it
- (a2) contains at least one platelet-shaped metal pigment which consists at least partially of a metal from the group consisting of aluminum, copper, silver, gold, platinum, zinc, chromium, molybdenum and iron, very particularly preferably aluminum.
- an agent according to the invention is characterized in that it
- the metal pigments according to the invention are in the form of flakes.
- a platelet is understood to be a three-dimensional body that can be regular or irregular in shape and whose width and depth are greater than its thickness. The mean dimensions are used as measuring points for measuring width, depth and thickness.
- the platelet-shaped components of the metal pigment are also referred to as substrate platelets.
- the platelet-shaped metal pigments of the invention preferably have an elemental metal content of at least 50% by weight, preferably at least 60% by weight, more preferably at least 70% by weight, even more preferably at least 80% by weight more preferably at least 90% by weight, based in each case on the weight of the metal pigment. If the platelet-shaped metal pigment is coated, the above weight specifications relate to the weight of the uncoated metal pigment. For the purposes of the invention, the aforementioned content of elementary metal is also understood to mean the proportion of the respective metal contained in an alloy.
- the substrate flakes preferably 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. In particular, the substrate flakes are particularly preferably not built up in layers and have no 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 platelet-shaped metal pigments used according to the present invention particularly preferably have an average pigment diameter (D50) in a range from 0.5 ⁇ m (0.5 micrometer) to about 1 mm (1 millimeter), preferably from 3 ⁇ m (3 microns) to 500 pm (500 microns), more preferably from 5 pm (5 microns) to 100 pm (100 microns), and most preferably from 8 pm (8 microns) to 50 pm (50 microns).
- D50 average pigment diameter
- an agent according to the invention is characterized in that it
- (a2) at least one platelet-shaped metal pigment with an average pigment diameter (D50) of 0.5 ⁇ m to 1 mm, preferably from 3 ⁇ m to 500 ⁇ m, more preferably from 5 ⁇ m to 100 ⁇ m, and very particularly preferably from 8 ⁇ m to 50 ⁇ m contains.
- D50 average pigment diameter
- the size distribution of the particles can be determined, for example, by means of laser granulometry. With this method, the particles can be measured in the form of a powder. The scattering of the incident laser light is recorded in different spatial directions and evaluated according to the Fraunhofer diffraction theory. The particles are treated mathematically as spheres. Thus, the determined diameters always refer to the equivalent sphere diameter determined in all spatial directions, regardless of the actual shape of the particles. The evaluation of the diffraction data is based on a model that aims at the diameter of an equivalent sphere. Therefore, no absolute values are obtained, but the measured diameters have established themselves as reliable relative values in the description of the size characteristics of platelet-shaped metal pigments.
- the size distribution is determined, which is calculated in the form of a volume average based on the equivalent sphere diameter.
- This volume-average size distribution can be represented as a cumulative frequency distribution.
- the cumulative frequency distribution is characterized by various parameters, for example the D50 value.
- the term "mean pigment diameter" or "D50" in the context of the present invention denotes the particle size at which 50% of the abovementioned particle size distribution averaged by volume using laser granulometry is below and 50% of the abovementioned particle size distribution is averaged by volume using laser granulometry Particle size distribution are above the specified value.
- the measurements can be carried out, for example, with the HELOS particle size analyzer from Sympatec GmbH, Clausthal-Zellerfeld, Germany.
- the D50 value was determined using a Sympatec Heios device with Quixel wet dispersion. To prepare the sample, the sample to be examined was predispersed in isopropanol for a period of 3 minutes.
- the average thickness (h50) of the metal pigments of the invention is preferably in a range from 1 nm (1 nanometer) to about 500 nm (nanometer), preferably from about 1 nm (1 nanometer) to about 300 mm (1.5 millimeters), nor more preferably from about 1 nm to 100 nm and very particularly preferably from 5 nm to 70 nm.
- the term "mean thickness" or "h50" in the context of the invention refers to the arithmetic mean of the thicknesses of at least 100 metal pigments using scanning electron microscopy ( SEM). It is important to ensure that the platelets are oriented as well as possible in the application medium. For this purpose, the metal pigments can be pretreated beforehand with suitable additives. The hardened paint is then sanded and the cross section examined in the SEM after the usual sample preparation. Only particles that have a good orientation are selected for counting.
- the average thickness or the h50 value refers to the uncoated metal pigment.
- the size-thickness ratio which is also referred to as the aspect ratio and is expressed by the ratio of the mean size to the mean thickness, is preferably at least 80, preferably at least 200, more preferably at least 500 and particularly preferably more than 750.
- VMP vacuum-metallized pigments
- Vacuum metallized pigments are extremely thin metal flakes that are produced using a special process known as physical vapor deposition (PVD). These pigments have an even, smooth surface that will not flake, resulting in an optical micromirror effect. Vacuum metallized pigments are characterized by extremely high gloss, enormous hiding power and unique optical properties. Due to their low thickness (approx. 5 to 70 nm) and their extremely smooth surfaces, they tend to cling very tightly to their substrate after application. On a very smooth surface, this almost leads to a mirror-like appearance. Vacuum metallized pigments (VMP) can be obtained, for example, by releasing metals or metal alloys from appropriately coated foils. In the context of this application, 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.
- Vacuum-metallized substrate flakes preferably have an average thickness (h50) of at most 70 nm, preferably less than 50 nm (nanometers), particularly preferably at most 35 nm (nanometers), particularly particularly preferably at most 20 nm (nanometers).
- the average thickness of the substrate flakes is at least 1 nm (nanometer), preferably at least 2.5 nm (nanometer), more preferably at least 5 nm (nanometer), particularly preferably at least 10 nm (nanometer).
- Preferred ranges for the thickness of the substrate flakes are 2.5 to 70 nm, 5 to 50 nm, 10 to 35 nm; 2.5 to 30 nm and 5 to 25 nm.
- Each substrate plate preferably has a thickness which is as uniform as possible. Due to the small thickness of the substrate flakes, the pigment has a particularly high hiding power.
- Pigments based on metallic layers produced by PVD processes are described in more detail, for example, in US Pat. No. 2,839,378 “Method of making metal flakes”.
- the production of mirror-like pigments with extremely thin layers is described, which are vapour-deposited onto a substrate which is provided with a "release layer”. After the metal layers have been applied and the film has been detached, the pigments are broken down to the desired particle size using mechanical stress.
- the process for producing metallic pigments using vapor deposition methods with a thickness of 35 to 45 nm is described in more detail in US Pat the desired pigment size.
- an agent according to the invention is characterized in that it
- (a2) contains at least one vacuum-metallized pigment as the platelet-shaped metal pigment.
- an agent according to the invention is characterized in that it (a2) contains at least one vacuum-metallized pigment as the platelet-shaped metal pigment, which pigment consists at least partly of aluminum.
- an agent according to the invention is characterized in that it
- (a2) contains at least one uncoated platelet-shaped metal pigment.
- an agent according to the invention is characterized in that it
- Vacuum metallized pigments are commercially available from various suppliers.
- the Schlenk company offers vacuum metallized pigments under the brand names Decomet® and Alegrace®.
- Metalure® manufactured by Avery Dennison, sold by ECKART
- Metasheen® (Ciba).
- the substrate flakes made of metal or metal alloy can also be passivated, for example by anodizing (oxide layer) or chromating.
- Uncoated VMP substrate flakes especially those made of metal or metal alloy, reflect the incident light to a high degree 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.
- pigments based on a VMP substrate platelet that are coated can also be suitable.
- 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 above also applies to layer A and preferably also to layer C, if present.
- 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 (a- 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 mixtures thereof. Colorless, high-index oxides such as titanium dioxide and/or zirconium oxide are also suitable.
- ie colored metal oxides such as iron(III) oxide (a- 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 mixtures thereof.
- 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 pigment based on a VMP substrate platelet has only one layer A, it is preferred that the pigment has a VMP substrate platelet made of aluminum and a layer A made of silicon dioxide. If the pigment based on a VMP substrate platelet has a layer A and a layer B, it is preferred that the pigment has a VMP substrate platelet 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.
- a metal oxide hydrate
- 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. By providing the coating C, for example based on TiO2, a better interference can be achieved, with a high covering power remaining guaranteed.
- 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 process.
- This method comprises dispersing the uncoated VMP substrate flakes or the VMP substrate flakes already coated with layer A and/or layer B in a solution of a metal alkoxide such as tetraethylorthosilicate or aluminum triisopropanolate (usually in an organic solvent solution 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, resulting in a film of the metal oxide on the surface of the (coated) substrate flakes.
- a metal alkoxide such as tetraethylorthosilicate or aluminum triisopropanolate
- 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, if appropriate, 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 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. 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 VMP substrate plates in the keratin material can be significantly increased by adding organic compounds such as silanes, phosphoric acid esters, titanates, borates or Carboxylic acids is modified.
- 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 farthest from the VMP substrate chip.
- 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. Examples of bifunctional organic compounds are methacryloxypropenyltrimethoxysilane, 3-methacryloxypropyltrimethoxysilane, 3-
- 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 the pigment based on coated VMP substrate platelets (i.e. to the outermost metal oxide-containing layer) or, if the coverage is not quite complete, to the metal surface.
- the hydrocarbon residue of the silane points away from the pigment. Depending on the type and nature of the hydrocarbon residue of the silane, 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.
- the changed surface properties / water repellency can improve adhesion, abrasion resistance and orientation in the application.
- the amount of platelet-shaped metal pigments (a2) used can be chosen depending on the desired color effect. Particularly good results could be obtained when the agent--based on the total weight of the agent--one or more metal pigments (a2) in a total amount of from 0.01 to 10% by weight, preferably from 0.1 to 8% by weight. , more preferably from 0.2 to 6% by weight and most preferably from 0.4 to 5.5% by weight.
- an agent according to the invention is characterized in that it contains one or more platelet-shaped metal pigments (a2) in a total amount of from 0.01 to 10% by weight, preferably from 0. 1 to 8% by weight, more preferably from 0.2 to 6% by weight and most preferably from 0.4 to 5.5% by weight. further pigments (a3) different from (a2)
- the colorant according to the invention can additionally also contain one or more further pigments (a3) which are different from the platelet-shaped metal pigments (a2).
- Suitable additional color pigments (a3) can be of inorganic and/or organic origin.
- 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.
- 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).
- Colored pigments which are also particularly preferred according to the invention are colored pearlescent pigments. These are usually based on mica and/or mica and can be coated with one or more metal oxides. Mica belongs to the layered silicates. The most important representatives of these silicates are muscovite, phlogopite, paragonite, biotite, lepidolite and margarite. To produce the pearlescent pigments in combination with metal oxides, the mica, mainly muscovite or phlogopite, is coated with a metal oxide.
- 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. The color of the respective pigments can be varied by varying the layer thickness of the metal oxide(s).
- an agent according to the invention is characterized in that it additionally contains at least one inorganic pigment (a3) which differs from the platelet-shaped metal pigment (a2) and which is preferably selected from the group of colored metal oxides, metal hydroxides, metal oxide hydrates, Silicates, metal sulphides, complex metal cyanides, metal sulphates and/or mica or mica based colored pigments coated with at least one metal oxide and/or one metal oxychloride.
- a3 which differs from the platelet-shaped metal pigment (a2) and which is preferably selected from the group of colored metal oxides, metal hydroxides, metal oxide hydrates, Silicates, metal sulphides, complex metal cyanides, metal sulphates and/or mica or mica based colored pigments coated with at least one metal oxide and/or one metal oxychloride.
- a composition for coloring keratinic material, in particular human hair, is therefore particularly preferred
- (a3) at least one inorganic pigment which differs from the platelet-shaped metal pigments (a2).
- an agent according to the invention is characterized in that it contains at least one color-providing compound (a3) from the group of pigments, which is selected from pigments based on mica or mica, which are mixed 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, Cl 77510).
- a3 from the group of pigments, which is selected from pigments based on mica or mica, which are mixed with one or more metal oxides from the group consisting of titanium dioxide (CI 77891), black iron oxide (CI 77499), yellow iron oxide (CI
- color pigments are commercially available, for example under the trade names Rona®, Colorona®, Xirona®, Dicrona® and Timiron® from Merck, Ariabel® and Unipure® from Sensient, Prestige® from Eckart Cosmetic Colors and Sunshine® available from Sunstar.
- Colorona® Very particularly preferred color pigments with the trade name Colorona® are, for example:
- color pigments with the trade name Unipure® are, for example:
- the agent according to the invention can also contain one or more color-providing compounds (a3) from the group of organic pigments
- the organic pigments according to the invention are correspondingly insoluble organic dyes or lakes, for example from the group of nitroso, nitro, azo, xanthene, anthraquinone, isoindolinone, isoindoline, quinacridone, perinone, perylene - , Diketo- pyrrolopyrrole, indigo, thioindido, dioxazine, and/or triarylmethane compounds can be selected.
- 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
- an agent according to the invention is characterized in that it additionally contains at least one organic pigment (a3), which is preferably selected from the group consisting of 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 21 108, 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 1 1725, CI 15510, CI 45370, CI 71105, red pigments with the Color Index numbers CI 12085, CI 12120, CI 12370, CI 12420, CI 12490, CI
- a3 organic pigment
- a composition for coloring keratinic material, in particular human hair, is therefore particularly preferred
- the organic pigment can also be a colored lake.
- the term colored lake is understood to mean particles comprising a layer of absorbed dyes, the particle-dye unit being insoluble under the above 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 agent according to the invention is very particularly preferred. Furthermore, it is preferred if the pigments used have a specific particle size. It is therefore advantageous according to the invention if the at least one pigment has an average particle size D50 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).
- the pigments (a3) are preferably used in specific amount ranges on average.
- the agent - based on the total weight of the agent - one or more pigments (a3) in a total amount of 0.01 to 10.0% by weight, preferably 0.1 to 5.0% by weight. -%, more preferably from 0.2 to 2.5% by weight and very particularly preferably from 0.25 to 1.5% by weight.
- a composition according to the invention is characterized in that it contains one or more pigments (a3) in a total amount of from 0.01 to 10.0% by weight, preferably 0, based on the total weight of the composition. 1 to 5.0% by weight, more preferably from 0.2 to 2.5% by weight and very particularly preferably from 0.25 to 1.5% by weight.
- an agent according to the invention is characterized in that - based on the total weight of the agent - one or more inorganic pigments (a3) in a total amount of 0.01 to 10.0% by weight, preferably 0 1 to 5.0% by weight, more preferably from 0.2 to 2.5% by weight and very particularly preferably from 0.25 to 1.5% by weight.
- an agent according to the invention is characterized in that it contains one or more organic pigments (a3) in a total amount of from 0.01 to 10.0% by weight, preferably 0 1 to 5.0% by weight, more preferably from 0.2 to 2.5% by weight and very particularly preferably from 0.25 to 1.5% by weight.
- the additional inorganic or organic pigments (a3) in the colorant according to the invention can be increased. Surprisingly, with the color variation, it was also possible to obtain sufficiently high smoothness or improved hair feel if the platelet-shaped metal pigments (a2) and the other inorganic and/or organic pigments (a3) were used in specific weight ratios to one another.
- the weight ratio of the total amount of platelet-shaped metal pigments (a2) present on average to the total amount of additional pigments (a3) present on average ie the weight ratio (a)/(a3), has a value of 5.0 to 0, 1, preferably from 2.5 to 0.2, more preferably from 1.5 to 0.4 and very particularly preferably from 1.0 to 0.5.
- an agent containing is therefore very particularly preferred
- (a3) at least one inorganic and/or organic pigment which differs from the platelet-shaped metal pigments (a2), the weight ratio of the total amount of the platelet-shaped metal pigments (a2) present in the average to the total amount of the additional pigments (a3) present in the average, i.e. the weight ratio (a)/(a3), at a value from 5.0 to 0.1, preferably from 2.5 to 0.2, more preferably from 1.5 to 0.4 and very particularly preferably from 1, 0 to 0.5.
- an agent according to the invention is characterized in that it
- (a3) contains at least one inorganic and/or organic pigment which differs from the platelet-shaped metal pigments (a2), the weight ratio of the total amount of platelet-shaped metal pigments (a2) present in the agent to the total amount of additional pigments (a3 ), i.e. the weight ratio (a)/(a3), at a value of from 5.0 to 0.1, preferably from 2.5 to 0.2, more preferably from 1.5 to 0.4 and very particularly preferably from 1.0 to 0.5.
- the agent described above is a ready-to-use agent that can be applied to the keratin material.
- This ready-to-use agent preferably has a low to medium water content. It has been found that the agents are particularly well suited which - based on the total weight of the agent - 0.1 to 70.0 wt .-%, preferably 0.5 to 35.0 wt .-%, more preferably 1 0 to 20.0% by weight and particularly preferably 1.5 to 7.5% by weight of water.
- an agent according to the invention is characterized in that it—based on the total weight of the agent—is more preferably 0 to 70.0% by weight, preferably 0.1 to 35.0% by weight 0.2 to 20.0% by weight and more preferably 0.3 to 7.5% by weight of water. solvent on average
- the agent according to the invention can additionally contain at least one solvent as an optional component.
- the use of polyethylene glycols is particularly preferred.
- an agent according to the invention is characterized in that it contains at least one solvent from the group consisting of poly-Ci-Ce-alkylene glycols, 1,2-propylene glycol, 1,3-propylene glycol, 1,2-butylene glycol, dipropylene glycol , ethanol, isopropanol, diethylene glycol monoethyl ether, glycerol, phenoxyethanol and benzyl alcohol, most preferably from polyethylene glycols.
- 1,2-Propylene glycol is alternatively also referred to as 1,2-propanediol and bears the CAS numbers 57-55-6 [(RS)-1,2-dihydroxypropane], 4254-14-2 [(R)-1 ,2-dihydroxypropane] and 4254-153 [(S)-1,2-dihydroxypropane], ethylene glycol is alternatively also referred to as 1,2-ethanediol and has the CAS number 107-21-1.
- Glycerol is alternatively also referred to as 1 ,2,3-propanetriol and bears the CAS number 56-81-5.
- Phenoxyethanol has the Cas number 122-99-6.
- an agent according to the invention is characterized in that - based on the total weight of the agent - one or more solvents from the group consisting of poly-Ci-Ce-alkylene glycols, 1, 2-propylene glycol, 1, 3-propylene - glycol, 1,2-butylene glycol, dipropylene glycol, ethanol, isopropanol, diethylene glycol monoethyl ether, glycerol, phenoxyethanol and benzyl alcohol in a total amount of 10.0 to 99.0% by weight, preferably 30.0 to 99.0% by weight %, more preferably from 50.0 to 99.0% by weight and most preferably from 70.0 to 99.0% by weight.
- solvents from the group consisting of poly-Ci-Ce-alkylene glycols, 1, 2-propylene glycol, 1, 3-propylene - glycol, 1,2-butylene glycol, dipropylene glycol, ethanol, isopropanol, diethylene glycol monoethyl ether
- a very particularly well suited solvent is an alkylene glycol of the formula (AG)
- AG where x is an integer from 1 to 10,000, preferably an integer from 2 to 800, more preferably an integer from 3 to 600, even more preferably an integer from 3 to 400 and very particularly preferably represents an integer from 4 to 200,
- an agent according to the invention is therefore characterized in that it contains one or more alkylene glycols of the formula (AG),
- AG where x is an integer from 1 to 10,000, preferably an integer from 2 to 800, more preferably an integer from 3 to 600, even more preferably an integer from 3 to 400 and very particularly preferably an integer from 4 to 200.
- the alkylene glycols of the formula (AG) are protic substances with at least one hydroxyl group, which are also referred to as polyalkylene glycols or polyethylene glycols because of their repeating unit -CH2-CH2-O- if x is at least 2 can become.
- x is an integer from 1 to 10,000.
- these polyethylene glycols are particularly suitable for improving the fastness properties of the colorant and on the other hand, to optimally adjust the viscosity of the agent.
- polyethylene glycols are liquid or solid, water-soluble polymers.
- Polyethylene glycols with a molecular mass between 200 g/mol and 400 g/mol are non-volatile liquids at room temperature.
- PEG 600 has a melting range of 17 to 22 °C and therefore has a paste-like consistency. With molecular masses of more than 3000 g/mol, the PEG are solid substances and are marketed as flakes or powder. Above all, the use of low molecular weight alkylene glycols (or polyethylene glycols) has proven to be highly suitable for solving the task of the invention.
- x is an integer from 1 to 100, preferably an integer from 1 to 80, more preferably an integer from 2 to 60, even more preferably one is an integer from 3 to 40, more preferably an integer from 4 to 20, and most preferably an integer from 6 to 15.
- an agent according to the invention is characterized in that it contains at least one alkylene glycol of the formula (AG-1),
- x1 is an integer from 1 to 100, preferably an integer from 1 to 80, more preferably an integer from 2 to 60, even more preferably an integer from 3 to 40, even more preferably an integer from 4 to 20 and very particularly preferably an integer from 6 to 15.
- a very particularly preferred low molecular weight polyethylene glycol is, for example, PEG-8.
- PEG-8 is also referred to as PEG 400 and is commercially available, for example, from APS.
- polyethylene glycols are, for example, PEG-6, PEG-7, PEG-9 and PEG-10.
- PEG-32 is also referred to as PEG 1500 and can be purchased commercially, for example, from Clariant.
- High molecular weight polyethylene glycols in the context of the present invention can be represented by the formula (AG-2), where the index number x2 stands for an integer from 101 to 10,000
- x2 is an integer from 101 to 1000, preferably an integer from 105 to 800, more preferably an integer from 107 to 600, even more preferably an integer from 109 to 400 and most preferably an integer from 110 to 200.
- an agent according to the invention is characterized in that it contains at least one alkylene glycol of the formula (AG-2),
- x2 is an integer from 101 to 1000, preferably an integer from 105 to 800, more preferably an integer from 107 to 600, even more preferably an integer from 109 to 400 and very particularly preferably an integer from 110 to 200.
- PEG 12000 Another very suitable polyethylene glycol is PEG 12000, which is sold commercially, for example, under the trade name Polyethylene Glycol 12000 S (or PEG 12000 S) by CG Chemicals.
- the molecular weight of PEG 12000 is given as 10500 to 15000 g/mol, corresponding to an x2 value of 238 to 341.
- PEG 20000 Another highly suitable polyethylene glycol is PEG 20000, which can be purchased from Clariant under the trade name Polyglycol 20000 P or under the alternative name PEG-350 is too lucrative. An average molecular weight of 20,000 g/mol is given for PEG 20000, which corresponds to an x2 value of 454.
- coloring agents which contain both a low molecular weight polyethylene glycol and a high molecular weight polyethylene glycol have particularly good performance properties, since these agents have both very good fastness properties and are optimized with regard to their rheological profile.
- an agent according to the invention is therefore characterized in that it contains at least one first alkylene glycol of the formula (AG-1), where
- x1 is an integer of 1 to 100, preferably an integer of 1 to 80, more preferably an integer of 2 to 60, still more preferably an integer of 3 to 40 more preferably is an integer from 4 to 20 and very particularly preferably an integer from 6 to 15, and contains at least one second alkylene glycol of formula (AG-2), wherein for an integer from 101 to 1000, preferably for an integer from 105 to 800, more preferably for an integer from 107 to 600, even more preferably for an integer from 109 to 400 and very particularly preferably for an integer of 1 10 to 200 stands.
- the agent according to the invention contains the alkylene glycol(s) (AG) preferably in certain quantity ranges, for example - based on the total weight of the agent - in the range from 10.0 to 99.0% by weight, preferably from 30.0 to 99.0% by weight, more preferably from 50.0 to 99.0% by weight and very particularly preferably from 70.0 to 99.0% by weight.
- an agent according to the invention is therefore characterized in that it contains one or more alkylene glycols of the formula (AG) in a total amount of from 10.0 to 99.0% by weight, based on the total weight of the agent. %, preferably from 30.0 to 99.0% by weight, more preferably from 50.0 to 99.0% by weight and very particularly preferably from 70.0 to 99.0% by weight.
- the agent according to the invention preferably contains - based on the total weight of the agent - one or more alkylene glycols of the formula (AG-1) in a total amount of 20.0 to 99.0% by weight, preferably 40.0 to 95.0% by weight %, particularly preferably from 60.0 to 90.0% by weight.
- the agent according to the invention preferably contains—based on the total weight of the agent—one or more alkylene glycols of the formula (AG-2) in a total amount of 1.0 to 35.0% by weight, preferably 3.0 to 30.0% % by weight, more preferably from 4.0 to 25.0% by weight.
- a composition according to the invention is characterized in that it contains one or more alkylene glycols of the formula (AG-1) in a total amount of from 20.0 to 99.0% by weight, based on the total weight of the composition. %, preferably from 40.0 to 95.0% by weight, particularly preferably from 60.0 to 90.0% by weight, and/or it contains one or more alkylene glycols of the formula (AG-2) in a total amount from 1.0 to 35.0% by weight, preferably from 3.0 to 30.0% by weight, particularly preferably from 4.0 to 25.0% by weight.
- an agent according to the invention is characterized in that it - based on the total weight of the agent -
- the agents according to the invention can also contain other active ingredients, auxiliaries and additives, such as structurants such as fatty components, glucose, maleic acid and lactic acid, hair conditioning compounds such as phospholipids, e.g. lecithin and cephalins; perfume oils, dimethylisosorbide and cyclodextrins; polymers such as anionic, nonionic and cationic polymers; Surfactants such as anionic, nonionic, cationic, zwitterionic and amphoteric surfactants, fatty components, fiber structure-improving active ingredients, in particular mono-, di- and oligosaccharides such as glucose, galactose, fructose, fructose and lactose; dyes for coloring the agent; anti-dandruff agents such as Piroctone Olamine, Zinc Omadine and Climbazole; amino acids and oligopeptides; Protein hydrolyzates based on animals and/or plants, and in the form of their fatty acid condensation products or
- the person skilled in the art will select these further substances in accordance with the desired properties of the agents. With regard to other optional components and the amounts of these components used, express reference is made to the relevant handbooks known to those skilled in the art.
- the additional active ingredients and auxiliaries are preferably used in the preparations according to the invention in amounts of 0.0001 to 25% by weight, in particular 0.0005 to 15% by weight, based on the total weight of the respective composition.
- the agents described above can be used outstandingly in processes for coloring keratinic material, in particular human hair.
- a second object of the present invention is therefore a method for coloring keratinic material, in particular human hair, in which an agent, as disclosed in the description of the first subject of the invention in detail, is applied to the keratinic fibers and optionally after an exposure time of 30 seconds to 45 minutes is rinsed out again.
- a second subject matter of the invention is a method for coloring keratinic material, in particular human hair, comprising the following steps: (1) applying a coloring agent to the keratinic material, the coloring agent being an agent as disclosed in the description of the first subject matter of the invention in detail,
- step (1) of the method according to the invention the agent of the first subject matter of the invention is applied to the keratinic material, which is very particularly preferably human hair.
- step (2) of the method according to the invention the agent is then allowed to act on the keratinic material after it has been applied.
- different exposure times of, for example, 30 seconds to 60 minutes are conceivable.
- a major advantage of the coloring system according to the invention is that an intensive color result can be achieved even in very short periods of time after short exposure times. For this reason, it is advantageous if the application mixture only remains on the keratin material after its application for a comparatively short period of time of 30 seconds to 15 minutes, preferably 30 seconds to 10 minutes and particularly preferably 1 to 5 minutes.
- a method according to the invention is characterized by
- step (3) of the method After the application mixture has acted on the keratin material, it is finally rinsed out with water in step (3) of the method.
- the application mixture can only be washed out with water, i.e. without the aid of an aftertreatment agent or a shampoo.
- an aftertreatment agent or conditioner in step (6) is also conceivable.
- the agent of the first subject matter of the invention is a ready-to-use agent that is either made available to the user directly in its ready-to-use form, or that is produced just before use by mixing different agents.
- the ready-to-use agent is produced by mixing at least two different agents, the first of these two agents containing at least one amino-functionalized silicone polymer (a1) and the second agent containing at least one platelet-shaped metal pigment (a2).
- Another subject of the present application is therefore a method for dyeing keratinic material, in particular human hair, comprising the following steps:
- composition (I) contains:
- composition (II) (2) Providing a composition (II), the composition (II) containing:
- agents (I) and/or (II) can each optionally contain one or more of the ingredients that can also be used as described above.
- Multi-component packaging unit To increase user comfort, the means described above can be made available to the user in the form of a multi-component packaging unit.
- a further object is therefore a multi-component packaging unit (kit-of-parts) for coloring keratin material, in particular human hair, made up separately from one another
- a further subject matter of the present application is a multi-component packaging unit (kit-of-parts) for coloring keratin material, in particular human hair, made up comprehensively and separately
- the agent (III) contains: contains at least one alkylene glycol of the formula (AG), wherein
- x is an integer from 1 to 10,000, preferably an integer from 2 to 800, more preferably an integer from 3 to 600, even more preferably an integer from 3 to 400 and very particularly preferably is an integer from 4 to 200, the ingredients (a1), (a2) and (AG) having already been disclosed in detail in the description of the first subject of the invention.
- the ready-to-use agent prepared previously was applied to strands of hair (Kerling company, type “Euronatur-haarler” (ENH)) (liquor ratio: 1 g agent per g strand of hair) and left to act for three minutes. The strands of hair were then washed thoroughly (1 minute) with water and dried.
- the dyed tresses were assessed by 5 trained persons with regard to color intensity and hair feel. Then each strand was washed by hand. For this purpose, each strand was moistened with water, after which a commercially available shampoo (Schauma 7 herbs) was applied to the strand (0.25 g shampoo per 1 g hair) and rubbed in with the fingers for 30 seconds. The tress was then rinsed out under running, lukewarm water for 1 minute and the hair tress was dried. The process described above corresponds to a hair wash. The process was repeated for each additional hair wash. After 3 hair washes, the strands were again compared by 5 trained persons with regard to color intensity and hair feel. The mean value was formed from the individual values.
- the strands of hair colored with the formulations E2, E3 and E4 had an intensive coloration and a pleasant, soft feel.
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Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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EP22735841.3A EP4380540A1 (de) | 2021-08-04 | 2022-06-20 | Mittel zum färben von keratinischem material, insbesondere menschlichen haaren, enthaltend aminosilikone und plättchenförmige metallpigmente |
CN202280053452.9A CN117794500A (zh) | 2021-08-04 | 2022-06-20 | 用于对角蛋白材料、特别是人毛发染色的试剂,其含有氨基硅酮和小片型金属颜料 |
Applications Claiming Priority (2)
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DE102021208460.5 | 2021-08-04 | ||
DE102021208460.5A DE102021208460A1 (de) | 2021-08-04 | 2021-08-04 | Mittel zum Färben von keratinischem Material, insbesondere menschlichen Haaren, enthaltend Aminosilikone und plättchenförmige Metallpigmente |
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WO2023011792A1 true WO2023011792A1 (de) | 2023-02-09 |
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PCT/EP2022/066692 WO2023011792A1 (de) | 2021-08-04 | 2022-06-20 | Mittel zum färben von keratinischem material, insbesondere menschlichen haaren, enthaltend aminosilikone und plättchenförmige metallpigmente |
Country Status (4)
Country | Link |
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EP (1) | EP4380540A1 (de) |
CN (1) | CN117794500A (de) |
DE (1) | DE102021208460A1 (de) |
WO (1) | WO2023011792A1 (de) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2839378A (en) | 1955-04-15 | 1958-06-17 | American Marietta Co | Method of making metal flakes |
US4321087A (en) | 1978-12-21 | 1982-03-23 | Revlon, Inc. | Process for making metallic leafing pigments |
EP1927340A1 (de) * | 2006-11-24 | 2008-06-04 | KPSS-Kao Professional Salon Services GmbH | Färbemittel |
WO2016133811A1 (en) * | 2015-02-17 | 2016-08-25 | The Procter & Gamble Company | Composition for forming a film on keratin fibres |
WO2020126137A1 (de) * | 2018-12-18 | 2020-06-25 | Henkel Ag & Co. Kgaa | Verfahren zum färben von keratinischem material mit färbemittel und saurem nachbehandlungsmittel |
-
2021
- 2021-08-04 DE DE102021208460.5A patent/DE102021208460A1/de not_active Withdrawn
-
2022
- 2022-06-20 WO PCT/EP2022/066692 patent/WO2023011792A1/de active Application Filing
- 2022-06-20 EP EP22735841.3A patent/EP4380540A1/de active Pending
- 2022-06-20 CN CN202280053452.9A patent/CN117794500A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2839378A (en) | 1955-04-15 | 1958-06-17 | American Marietta Co | Method of making metal flakes |
US4321087A (en) | 1978-12-21 | 1982-03-23 | Revlon, Inc. | Process for making metallic leafing pigments |
EP1927340A1 (de) * | 2006-11-24 | 2008-06-04 | KPSS-Kao Professional Salon Services GmbH | Färbemittel |
WO2016133811A1 (en) * | 2015-02-17 | 2016-08-25 | The Procter & Gamble Company | Composition for forming a film on keratin fibres |
WO2020126137A1 (de) * | 2018-12-18 | 2020-06-25 | Henkel Ag & Co. Kgaa | Verfahren zum färben von keratinischem material mit färbemittel und saurem nachbehandlungsmittel |
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EP4380540A1 (de) | 2024-06-12 |
CN117794500A (zh) | 2024-03-29 |
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