WO2011045746A2 - Composition comprenant une dispersion de particules photoniques et procédés de traitement de divers matériaux - Google Patents

Composition comprenant une dispersion de particules photoniques et procédés de traitement de divers matériaux Download PDF

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Publication number
WO2011045746A2
WO2011045746A2 PCT/IB2010/054617 IB2010054617W WO2011045746A2 WO 2011045746 A2 WO2011045746 A2 WO 2011045746A2 IB 2010054617 W IB2010054617 W IB 2010054617W WO 2011045746 A2 WO2011045746 A2 WO 2011045746A2
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Prior art keywords
composition
particles
nanoparticles
composition according
photonic
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PCT/IB2010/054617
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English (en)
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WO2011045746A3 (fr
Inventor
Jean-Thierry Simonnet
Karine Lucet-Levannier
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L ' Oreal
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Priority claimed from FR0957132A external-priority patent/FR2951077B1/fr
Application filed by L ' Oreal filed Critical L ' Oreal
Publication of WO2011045746A2 publication Critical patent/WO2011045746A2/fr
Publication of WO2011045746A3 publication Critical patent/WO2011045746A3/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
    • A61Q17/04—Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/0241—Containing particulates characterized by their shape and/or structure
    • A61K8/025—Explicitly spheroidal or spherical shape
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/0241—Containing particulates characterized by their shape and/or structure
    • A61K8/0283—Matrix particles
    • A61K8/0287—Matrix particles the particulate containing a solid-in-solid dispersion
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/11—Encapsulated compositions
    • 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
    • A61K8/25—Silicon; Compounds thereof
    • 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
    • A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • A61K8/8135—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid or of a haloformic acid; Compositions of derivatives of such polymers, e.g. vinyl esters (polyvinylacetate)
    • 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
    • A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • A61K8/8141—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • A61K8/8152—Homopolymers or copolymers of esters, e.g. (meth)acrylic acid esters; Compositions of derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00—Inks
    • C09D11/50—Sympathetic, colour changing or similar inks
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/29—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for multicolour effects
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/32—Radiation-absorbing paints
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/66—Additives characterised by particle size
    • C09D7/68—Particle size between 100-1000 nm
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/77—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof
    • D06M11/79—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof with silicon dioxide, silicic acids or their salts
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
    • D06M23/08—Processes in which the treating agent is applied in powder or granular form
    • 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
    • A61K2800/41—Particular ingredients further characterized by their size
    • A61K2800/413—Nanosized, i.e. having sizes below 100 nm
    • 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
    • A61K2800/42—Colour properties
    • A61K2800/43—Pigments; Dyes
    • A61K2800/437—Diffractive phenomena; Photonic arrays
    • 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
    • A61K2800/81—Preparation or application process involves irradiation
    • 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
    • A61K2800/95—Involves in-situ formation or cross-linking of polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
    • D06M2200/25—Resistance to light or sun, i.e. protection of the textile itself as well as UV shielding materials or treatment compositions therefor; Anti-yellowing treatments

Definitions

  • the invention relates to compositions comprising photonic particles as well as to methods of treating various materials with said photonic particles. Further, the invention relates to compositions and methods of treating human keratinous materials.
  • UV screens to photoprotect various materials against the effects of UV radiation, in particular solar radiation.
  • UV screens are being developed for colorant formulations, which screens need to be transparent, photostable, compatible with the usual ingredients contained in said formulations, and effective in
  • UV screens are being developed that are compatible with methods of manufacturing said fibers, in particular in the context of the manufacture of polyamide fibers such as nylon, which filters are resistant to high temperatures and enable UV protection to be incorporated during extrusion.
  • UV screens are being developed that have good affinity, good adhesion to fibers, and thus in particular that provide good resistance to frequent washing.
  • the UV screens being developed must also provide both good protection of the textile fibers and also of the skin and other human keratinous material in contact with said fibers .
  • the mineral or organic glass industry in particular glass used in ophthalmology, is developing UV screens that are to have a broad spectrum (active in the UVA and in the UVB regions) , and that are photostable,
  • Patent US 6 894 086 describes photonic particles comprising a matrix, said particles in particular being colored or reflecting electromagnetic radiation outside the visible spectrum.
  • screening materials that can be used to cover the UVA and/or UVB spectrum, that are completely harmless, inert towards the environment, photostable, and not
  • photoprotecting materials such as those mentioned above.
  • compositions comprising a dispersion of photonic particles each having a form factor of less than 2, said particles comprising a diffracting arrangement of voids or
  • thermo-, electro- or photo-crosslinkable matrix monodisperse nanoparticles in a thermo-, electro- or photo-crosslinkable matrix.
  • exemplary embodiments of the invention provide a cosmetic composition
  • a cosmetic composition comprising, in a cosmetically acceptable medium, at least one dispersion of photonic particles each having a form factor of less than 2, said particles comprising a diffracting
  • thermo-, electro- or photocrosslinkable matrix arrangement of voids or monodisperse nanoparticles in a thermo-, electro- or photocrosslinkable matrix.
  • exemplary embodiments of the invention provide a method of photoprotecting a material against solar UV radiation, comprising treating said material with a composition comprising a dispersion of photonic particles as defined above or comprising
  • exemplary embodiments of the invention provide:
  • composition comprising a dispersion of photonic particles as defined above into said ink or paint or said coating;
  • composition comprising a dispersion of photonic particles as defined above or comprising integrating at least said composition into said material;
  • the polymeric materials of the invention are, in particular plastic materials that are capable of being molded or worked, in general hot and under pressure, in order to result in a semimanufactured product or an article .
  • the polymers used for said materials are preferably selected from three major categories:
  • thermoplastics such as, for example:
  • ABS acrylonitrile-butadiene-styrene
  • PA polyamides
  • PBT polybutylene terephthalate
  • PET polyethylene terephthalate
  • PC polycarbonates
  • PE polyethylenes
  • PMMA polymethyl methacrylate
  • POM polyformaldehydes
  • PVAC polyvinyl acetates
  • PVC polyvinyl chlorides
  • SAN ⁇ styrene-acrylonitrile copolymers
  • thermosets such as:
  • ⁇ plant fibers such as cotton, linseed, hemp, jute, straw, or latex
  • animal fibers such as wool, silk, mohair, angora, cashmere or alpaca.
  • Artificial fibers are generally obtained by chemical treatment (dissolution then precipitation) of natural substances such as milk caseins for lanital, or cellulose from various plants (pine bark, bamboo, soya, birch) for viscose. These chemical treatments are intended to produce a product that can be spun (capable of passing through the small holes of a die) .
  • the filaments obtained are either combined to form continuous filaments in the manner of a silk thread, or are cut into discontinuous fibers in the manner of wool.
  • textile fibers are:
  • chlorofiber
  • polyurea polyurethane
  • glasses that are suitable for use in the invention that may be mentioned are conventional mineral glasses based on silicates, glasses used for optics, glasses used for ophthalmology, especially organic glasses such as polycarbonates, for example bisphenol A polycarbonate or allyl polycarbonate, those used in the automobile industry (windshields), etc.
  • inventions provide a non-therapeutic, and in particular cosmetic, method of photoprotecting human keratinous material against solar UV radiation, comprising applying to the keratinous material a cosmetic composition
  • compositions for use in a method of photoprotection of human keratinous material against solar UV radiation in particular in a method of reducing the risk of apparition of a skin cancer
  • composition comprises a dispersion of photonic particles each having a form factor of less than 2, said particles comprising a diffracting arrangement of voids or monodisperse nanoparticles in a thermo-,
  • composition may present, unless the contrary is specified, all the properties of the cosmetic
  • cosmetic composition comprising a dispersion of photonic particles each having a form factor of less than 2, said particles comprising a diffracting arrangement of voids or monodisperse nanoparticles in a thermo-, electro- or photocrosslinkable matrix.
  • diffracting arrangement means a set of particles or voids diffracting incident light in a manner that screens UV and/or produces a coloration and/or modifies the spectral reflectance, depending on the application.
  • composition used in the photoprotection method in accordance with the invention has an SPF index of at least 10, preferably 15, more preferably at least 30, 45 or 60.
  • SPF index of at least 10, preferably 15, more preferably at least 30, 45 or 60.
  • the formulation of the composition is, for example, selected such that the composition has a transmission factor of 70%, 60%, 50%, 40%, 30%, 20%, 10%, 5% or less, or preferably of 1% or less, for at least one wavelength in the range 250 nm to 400 nm, preferably over the whole of said range. Screening is much better when the
  • transmission factor is low in the range 250 nm to 400 nm.
  • photonic particles are also known as opals.
  • the photonic particles may have a form factor of less than 2, especially less than 1.75.
  • the form factor denotes the ratio of its largest longitudinal dimension to its largest
  • the photonic particles may be spherical, then having a form factor of 1.
  • a form factor of less than 2 may have an advantage in terms of surface coverage compared with flat particles that may become superimposed.
  • the mean size of the photonic particles may be in the range 1 ym to 500 ym, for example in the range 1 ym to 300 ym.
  • the term "mean size" denotes the statistical grain-size dimension at half the population, termed D(0.5) .
  • the content by weight of photonic particles may be in the range 0.1% to 20%, preferably in the range 1% to 10%, relative to the total composition weight, before application .
  • the photonic particles of the invention comprise nanoparticles dispersed in any type of thermo-, electro- or photo-crosslinkable matrix.
  • the photonic particles of the invention may be categorized, according to the different embodiments of the invention, as direct, inverse or pseudo inverse opals, as described below.
  • the photonic particles may be solid or hollow.
  • Photonic particles of the "direct opal" type employ an arrangement of solid, optionally composite
  • the photonic particles 1 of the "direct opal” type comprise nanoparticles 10 dispersed, as shown in
  • the advantage of using an organic photo-, electro- or thermocrosslinkable, especially photocrosslinkable or thermocrosslinkable, matrix is because it is possible to adjust the distance between the nanoparticles contained in the matrix in order to vary the optical properties of the photonic particle.
  • This distance may be a function of the fraction by weight of the nanoparticles dispersed in the organic matrix, before photo-, electro- or thermocrosslinking, especially before photocrosslinking or thermocrosslinking.
  • Said weight fraction is equal to the ratio of the weight of nanoparticles divided by the weight of matrix before thermocrosslinking, electro- crosslinking or photocrosslinking .
  • this fraction of nanoparticles is in the range 1% to 90% by weight, preferably in the to 60% by weight.
  • This type of photonic particle may be obtained using several emulsification methods, for example those
  • the photonic particles comprise nanoparticles of polystyrene (PS) dispersed in a thermo-, electro- or photo-crosslinkable silicone matrix.
  • PS polystyrene
  • Photonic particles of the "inverse opal" type comprise holes instead of nanoparticles.
  • the destruction step may possibly cause a reduction in the size of the imprint of the nanoparticle in the thermo-, electro- or photo ⁇ crosslinkable matrix, of up to 50%.
  • Calcining (500°C or 1000°C) may be carried out on direct opals based on organic nanoparticles and an inorganic matrix.
  • Acid hydrolysis for example with a hydrofluoric acid solution, may be carried out on opals based on inorganic nanoparticles and an organic thermo-, electro- or photo-crosslinkable matrix.
  • the ratio of the volume occupied by the nanoparticles divided by the volume occupied by the thermo-, electro- or photo-crosslinkable matrix may vary over the range 99/1 to 80/20, thereby having the effect of causing the surface porosity of the inverse opals to vary.
  • Such a variation is presented in the publication by D. Pine, F. Lange, Langmuir 2005, 21, 6669 - 6674.
  • the inverse opals may be produced using the methods described above for direct opals comprising nanoparticles dispersed in a thermo-, electro- or photo- crosslinkable matrix, followed by a step of destroying nanoparticles, for example by calcining or acid
  • opals are produced from monodisperse particles in zirconium acetate matrixes for ZrO articles, from Ti propoxide for T1O 2 opals, or from tetramethoxysilane (TMOS) for silica opals. After calcining, the PS
  • inverse opals are, in the absence of an additional treatment, porous materials having optical properties that vary as a function of the medium, which can fill the holes in the opals.
  • photonic particles with an inverse opal structure may be coated and sealed against the medium into which they are immersed.
  • Said coating may, for example, be carried out using polymers or waxes.
  • spray drying the principle is to dissolve or disperse (for latexes) the material that is to coat the photonic particles in a volatile solvent with an
  • evaporation point of 100°C or less (ethanol, acetone, isopropanol, water, etc, or mixtures thereof) .
  • bed of fluidized air the fluidized air bed method is a method that is frequently used to dry
  • a temperate stream of air is introduced via the bottom of a reactor.
  • the suspension sprayed by an atomizer into the production chamber, makes the particles in suspension bigger and they fall to the bottom whereupon they cannot be lifted by the stream of air .
  • the materials for coating the particles may be selected from the following:
  • waxes and fats with a melting point of more than 45°C especially carnauba wax, beeswax, stearyl stearate, polyethylene wax, DI 18/22 adipate, pentaerythrityl tetrastearate, tetracontanyl stearate, or dioctadecyl carbonate ; • cellulose and cellulose derivatives, in particular ethylcellulose, hydroxypropyl cellulose,
  • ⁇ polycaprolactone having a molecular weight in the range 10000 g/mol [gram/mole] to 80000 g/mol;
  • polylactic acid PLA
  • PLAGA polylactic acid-glycolic acid
  • the weight ratio between the core of the photonic particle and the shell produced therewith may be in the range 99.9/0.1 to 80/20, and preferably in the range 99/1 to 90/10.
  • Photonic particles comprise hollow nanoparticles dispersed in a thermo-, electro- or photo-crosslinkable matrix.
  • the hollow nanoparticles may be as described below.
  • the photonic particles may be of the Janus type, i.e. comprising at least one other diffracting
  • one arrangement may comprise solid nanoparticles and another arrangement may comprise solid or hollow nanoparticles.
  • one arrangement may comprise hollow nanoparticles and another arrangement may comprise hollow nanoparticles .
  • each arrangement may, for example, cover a different part of the UV spectrum, in order to obtain broader photoprotection .
  • the photonic particles comprising a plurality of diffracting arrangements may be obtained as taught in the publication by S-H Kim et al, Adv. Mater. 2008, 9999,
  • the photonic particles are used at least in part for their coloring properties, in particular to make the complexion uniform, the arrangements of
  • nanoparticles when illuminated with white light, may produce different respective colors; the arrangements may in particular produce a red, green and/or blue color, thereby enabling a large number of shades to be obtained, in particular white by additive synthesis of reflected light .
  • An arrangement presents a reflected red color, for example, when the reflectance in the visible spectrum is at least 50% in the wavelength range 620 nm to 700 nm, for an angle of observation in the range 30° to 150°.
  • the wavelength range under consideration is 490 nm to 550 nm, and for blue, it is 410 nm to 490 nm.
  • the arrangements may diffract light through the various respective zones of the photonic particle, for example two opposed zones, for example two diametrically opposed hemispherical zones for a photonic particle that is spherical.
  • composition of the invention may comprise a single type of photonic particle or a mixture of at least two different types of photonic particle, for example having reflection peaks centered on different wavelengths located in the visible or UV region.
  • composition may, for example, comprise a mixture of one type of photonic particle comprising solid
  • nanoparticles and another type of photonic particles comprising nanoparticles that may be solid or hollow.
  • composition may, for example, comprise a mixture of one type of photonic particle comprising hollow nanoparticles and another type of photonic particle comprising nanoparticles that may be hollow.
  • composition may, for example, comprise one type of photonic particle comprising a thermo-, electro- or photo-crosslinkable matrix and another type of photonic particle not comprising a thermo-, electro- or photo- crosslinkable matrix.
  • the photonic particle nanoparticles may have a mean size in the range 100 nm to 500 nm, preferably in the range 100 nm to 300 nm.
  • mean size denotes the statistical granulometric dimension at half the
  • the nanoparticles may be spherical in shape.
  • the nanoparticles may be 15% monodisperse or better.
  • x% monodisperse as used in the invention means particles with a mean size having a coefficient of variation, CV, of x% or less. The coefficient of
  • the mean size D and the standard deviation s_ may be measured for 250 particles by analyzing an image obtained using a scanning electron microscope, for example that with reference S-4 500 from the supplier HITACHI. Image analysis software may be used to facilitate this
  • the coefficient of variation of the monodisperse nanoparticles is 10% or less, more preferably 7% or less, or even more preferably 5% or less, for example substantially of the order of 3.5% or less .
  • the nanoparticles may be solid or hollow, organic or inorganic .
  • the nanoparticles may be monolithic or composite.
  • the monodisperse nanoparticles are composites, they may, for example, comprise a core and a shell produced from different substances, for example organic and/or mineral substances.
  • the nanoparticles may comprise an inorganic
  • the nanoparticles When the nanoparticles are inorganic, they may comprise at least one oxide, especially a metallic oxide, selected from silica, oxides of silica, iron, titanium, aluminum, chromium, zinc, copper, zirconium and cerium, and mixtures thereof.
  • the nanoparticles may also include a metal, especially titanium, silver, gold, aluminum, zinc, iron, copper and mixtures and alloys thereof.
  • the nanoparticles may include an organic compound, or even be entirely organic.
  • Materials that may be suitable for producing organic nanoparticles that may be mentioned are polymers, in particular with a carbon or silicone chain, for example polystyrene (PS) , polymethyl methacrylate (PMMA) ,
  • polyacrylamide silicone polymers
  • NADs non aqueous dispersions
  • polycaprolactone polycaprolactone, latex form, chitin, or composite chitin materials .
  • the glass transition temperature (T g ) of the organic nanoparticles may be greater than 40°C, and preferably greater than 60°C.
  • nanoparticles comprise a core and a shell.
  • the shell may be organic or inorganic.
  • the shell of the nanoparticles may, for example, be formed from PS and the particles may, for example, be dispersed in a thermo-, electro- or photo-crosslinkable organic matrix.
  • the core of said hollow nanoparticles may be any shape.
  • the presence of air or another gas inside the hollow nanoparticles may be used to obtain a large difference in the refractive index between the nanoparticles and the surrounding medium, which is favorable in terms of the intensity of the diffraction peak.
  • the difference in refractive index at a wavelength diffracted between the core and the shell may be 0.4 or more.
  • Said diffracted wavelength may be in the range 250 nm to 800 nm, for example in the range 250 nm to 400 nm.
  • the ratio between a largest dimension of the core and a largest dimension of the nanoparticle may be in the range 0.5 to 0.8.
  • the volume of the core represents in the range 10% to 80%, preferably in the range 20% to 60% of the total volume of the
  • nanoparticles equal to half the difference between the largest dimension of the nanoparticle and the largest dimension of the core of the nanoparticle, may be in the range 50 nm to 200 nm, for example in the range 30 nm to 100 nm.
  • hollow nanoparticles that may be mentioned are 280 nm nanoparticles from the supplier JSR SX866 (B) .
  • the core of the nanoparticles may optionally comprise a sunscreen or a mixture of sunscreens.
  • photocrosslinkable matrix means a matrix in which crosslinking is induced and/or assisted by light, especially UV.
  • thermocrosslinkable matrix means a matrix in which crosslinking is induced and/or assisted by adding heat, for example bringing the matrix to a temperature of more than 60 °C.
  • electrocrosslinkable matrix means a matrix in which crosslinking is induced and/or assisted by applying an electric field.
  • a matrix may be both thermocrosslinkable and
  • the photonic particles comprise solid or hollow nanoparticles, dispersed in a thermo-, electro- or photo-crosslinkable matrix, or voids dispersed in a thermo-, electro- or photo-crosslinkable matrix .
  • thermocrosslinkable or photocrosslinkable matrix may be organic.
  • crosslinkable organic matrixes that may be mentioned are:
  • R represents a hydrogen atom, an alkyl group or a hydroxyalkyl group, and R' represents a hydrogen atom or an alkyl group;
  • cinnamic derivatives such as polyvinylcinnamate and PDMS cinnamate
  • R is a linear or cyclic monovalent hydrocarbon group containing 1 to 30 carbon atoms
  • m is equal to 1 or 2
  • R' is an unsaturated aliphatic hydrocarbon group containing 2 to 10 carbon atoms or an unsaturated cyclic hydrocarbon group containing 5 to 8 carbon atoms;
  • polyorganosiloxanes comprising at least one alkylhydrogenosiloxane unit with formula: R p HSiO ⁇ ,
  • R is a linear or cyclic monovalent hydrocarbon group containing 1 to 30 carbon atoms or a phenyl group and p is equal to 1 to 2;
  • thermoplastic, thermocrosslinkable polymers ⁇ thermoplastic, thermocrosslinkable polymers.
  • the matrix crosslinking may be chemical
  • crosslinking for example using succinimides as described in application WO 2007/082061 A2.
  • the photoinitiator is selected, for example, from the following list: DMPA (dimethoxy 2- phenyl acetophenone) , 2-benzyl-2- (dimethylamino) -1- [4- (4- morpholino phenyl ] -1-butanone sold under the trademark Irgacure ® 369 by Ciba ® , 4 , 4 ' -bis (diethylamino) benzophenone sold by Sigma-Aldrich ® , 2-hydroxy-4 ' - (2-hydroxyethoxy) -2- methylpropiophenone sold by Sigma-Aldrich ® , 2-benzyl-2- (dimethylamino) -4 ' -morpholinobutyrophenone sold by Sigma- Aldrich ® , phenylbis (2,4, 6-trimethylbenzoyl ) -phosphine oxide sold by Sigma-Aldrich ® , isopropyl-thi
  • the PEG diacrylates may, for example, be crosslinked using a photoinitiator such as camphorolactone.
  • the photonic particles may be contained in a
  • cosmetically acceptable medium i.e. a non-toxic medium suitable for application to human keratinous materials, in particular the skin, mucous membranes, or the hair or the nails.
  • Said medium is adapted to the nature of the support onto which the composition is to be applied and to the form in which the composition is to be packaged.
  • the medium may comprise a phase that is liquid at 25°C, containing photonic particles.
  • the medium may be selected so as to encourage dispersion of the photonic particles in the medium before application thereof, in order to prevent the photonic particles from becoming aggregated.
  • it may be possible to use one or more agents that reduce the surface tension of the medium containing the photonic particles to less than 35 mN/m [millinewtons per meter] .
  • the medium may be aqueous, with the photonic
  • aqueous medium denotes a medium that is liquid at ambient temperature and atmospheric pressure and contains a large fraction of water relative to the total weight of the medium.
  • the complementary fraction may contain or be constituted by physiologically acceptable organic
  • solvents miscible with water, for example alcohols or alkylene glycols.
  • the quantity of water in the aqueous medium is, for example, 30% by weight or more, preferably 40% or more preferably 50%.
  • the medium may be monophase or multiphase.
  • the medium may comprise an alcohol, such as ethanol or isopropanol, for example, or a glycol derivative, in particular ethylene glycol or propylene glycol.
  • an alcohol such as ethanol or isopropanol
  • a glycol derivative in particular ethylene glycol or propylene glycol.
  • the medium may be transparent or translucent, and colored or not colored.
  • the medium containing the photonic particles may contain no pigment or colorant. The coloration of the medium may be due to adding an additional coloring agent.
  • the medium may comprise a volatile solvant.
  • volatile solvant as used in the context of the invention means any liquid capable of evaporating in contact with keratinous materials, at ambient temperature and at atmospheric pressure.
  • the medium may in particular be selected such that the composition contains at least 5%, or even at least 30% of volatile solvant.
  • the medium may comprise a film-forming polymer improving protection persistence.
  • Film-forming polymer improving protection persistence.
  • film-forming polymer means a polymer that, by itself or in the presence of an auxiliary film-forming agent, is capable of forming a macroscopically continuous film that adheres to keratinous material, preferably a cohesive film, and more preferably a film of cohesion and mechanical
  • the composition may comprise an aqueous phase and the film-forming polymer may be present in said aqueous phase. It is then preferably a polymer in dispersion or an amphiphilic or associative polymer.
  • polymer in dispersion means polymers that are insoluble in water, in the form of particles of various sizes.
  • the polymer may optionally be cured.
  • the mean particle size is typically in the range 25 nm to 500 nm, preferably in the range 50 nm to 200 nm.
  • the following polymers in aqueous dispersion may be used:
  • Neocryl XK-90® Acrylic dispersions sold under the names Neocryl XK-90®, Neocryl A-1070®, Neocryl A-1090®, Neocryl
  • Neocryl A-1079® and Neocryl A-523® by the supplier AVECIA-NEORESINS Dow Latex 432® by the supplier DOW CHEMICAL
  • Daitosol 5000 AD® or Daitosol 5000 SJ® by the supplier DAITO KASEY KOGYO
  • Syntran 5760® by the supplier Interpolymer
  • Allianz OPT by the supplier ROHM & HAAS
  • aqueous dispersions of acrylic or styrene/acrylic polymers sold under the trade name JONCRYL® by the supplier JOHNSON POLYMER
  • Neorez R-974® by the supplier AVECIA-NEORESINS, Avalure UR-405®, Avalure UR-410®, Avalure UR-425®, Avalure
  • amphiphilic or associative polymers means polymers comprising one or more hydrophilic portions that render them partially soluble in water and one or more hydrophobic portions via which the polymers associate or interact.
  • the following associative polymers may be used: Nuvis FX1100® from Elementis, Aculyn 22®, Aculyn 44®, Aculyn 46® from Rohm&Haas, and Viscophobe DB1000® from Amerchol.
  • Diblock copolymers constituted by a hydrophilic block (polyacrylate, polyethylene glycol) and a hydrophobic block (polystyrene, polysiloxane) may also be used.
  • the composition may comprise an oily phase and the film-forming polymer may be present in said oily phase.
  • the polymer may then be in dispersion or in solution.
  • NAD type polymers or microgels may be used, as well as polymers of the PS-PA type or copolymers based on styrene (Kraton, Regalite) .
  • non-aqueous dispersions of polymer particles in one or more silicone and/or hydrocarbon oils that can be stabilized at their surface by at least one stabilizing agent, in particular a block, graft or random polymer and that may be mentioned are acrylic dispersions in isododecane, such as Mexomere PAP® from the supplier CHIMEX, and dispersions of particles of a graft ethylenic polymer, preferably acrylic, in a liquid fatty phase, the ethylenic polymer advantageously being dispersed in the absence of additional stabilizer on the surface of particles such as that described in particular in the document WO 04/055081.
  • Film-forming polymers that may be used in the composition of the present invention and that may be mentioned are synthetic polymers of the radical or polycondensation type, polymers of natural origin, and mixtures thereof.
  • polymers may be polymers or copolymers, which are vinyls, especially acrylic polymers.
  • Vinyl film-forming polymers may result from
  • unsaturated bond having at least one acid group and/or esters of said acid monomers and/or amides of said acid monomers, such as unsaturated a, ⁇ -ethylenically
  • unsaturated carboxylic acids e.g. acrylic acid
  • methacrylic acid crotonic acid, maleic acid or itaconic acid .
  • the polymers of natural origin may be selected from shellac resin, sandarac gum,
  • dammars, elemis, copals, and cellulose polymers such as nitrocellulose, ethylcellulose or nitrocellulose esters selected, for example, from cellulose acetate, cellulose acetobutyrate, cellulose acetopropionate, and mixtures thereof.
  • the film-forming polymer may be present in the form of solid particles in aqueous or oily dispersion,
  • the film- forming polymer may comprise one or more stable
  • dispersions of particles of generally spherical polymers of one or more polymers in a physiologically acceptable liquid fatty phase. These dispersions are generally termed polymer NADs, as opposed to latexes that are aqueous polymer dispersions. These dispersions may be in the form of nanoparticles of polymers in stable
  • the nanoparticle size is preferably in the range 5 nm to 600 nm.
  • the techniques for preparing said dispersions are well known to the skilled person.
  • the composition may comprise at least one film- forming polymer that is a linear, block, ethylenic film- forming polymer.
  • Said polymer may comprise at least one first sequence (block) and at least one second sequence having different glass transition temperatures (Tg) , said first and second sequences being connected together via an intermediate sequence comprising at least one
  • constitutive monomer of the first sequence and at least one constitutive monomer of the second sequence.
  • the first and second sequences and the block polymer may be incompatible with each other.
  • Such polymers for example, are described in the documents EP 1 411 069 or WO 04/028488, which are herewith
  • composition containing the photonic particles may be free of oil, in some implementations the composition of the invention may include a fatty phase.
  • the photonic particles may optionally be contained in said fatty phase.
  • the fatty phase may in particular be volatile.
  • the composition may comprise an oil such as, for example, synthesized esters or ethers, linear or branched hydrocarbons of mineral or synthetic origin, fatty alcohols containing 8 to 26 carbon atoms, partially fluorinated hydrocarbon and/or silicone oils, silicone oils such as polymethylsiloxanes (PDMS) , which may optionally be volatile, with a linear or cyclic silicone chain, which may be liquid or pasty at ambient
  • an oil such as, for example, synthesized esters or ethers, linear or branched hydrocarbons of mineral or synthetic origin, fatty alcohols containing 8 to 26 carbon atoms, partially fluorinated hydrocarbon and/or silicone oils, silicone oils such as polymethylsiloxanes (PDMS) , which may optionally be volatile, with a linear or cyclic silicone chain, which may be liquid or pasty at ambient
  • PDMS polymethylsiloxanes
  • a composition in accordance with the invention may thus comprise at least one volatile oil. Volatile oils
  • volatile oil means an oil (or non-aqueous medium) that is capable of evaporating on contact with skin in less than one hour, at ambient temperature and at atmospheric pressure .
  • the volatile oil is a volatile cosmetic oil, liquid at ambient temperature, in particular having a non-zero vapor pressure, at ambient temperature and atmospheric pressure, in particular having a vapor pressure in the range 0.13 Pa to 40000 Pa (10 ⁇ 3 mmHg to 300 mmHg) , in particular in the range 1.3 Pa to 13000 Pa (0.01 mmHg to 100 mmHg), and more particularly in the range 1.3 Pa to 1300 Pa (0.01 mmHg to 10 mmHg) .
  • the volatile hydrocarbon oils may be selected from hydrocarbon oils of animal or vegetable origin containing 8 to 16 carbon atoms, and in particular branched Cs-Ci 6 alkanes (also termed isoparaffins ) , such as isododecane (also termed 2 , 2 , 4 , 4 , 6-pentamethylheptane) , isodecane, isohexadecane, and, for example, oils sold under the trade names Isopars ® or Permethyls ® .
  • volatile oils examples include volatile silicones, for example linear or cyclic volatile silicone oils, especially those with a viscosity
  • silicone oils that may be used in the invention that may be mentioned are dimethicones with a viscosity of 5 cSt to 6 cSt, octamethyl cyclotetrasiloxane, decamethyl cyclopentasiloxane, dodecamethyl
  • a composition of the invention may comprise a nonvolatile oil.
  • non-volatile oil means an oil having a vapor pressure of less than 0.13 Pa, in particular high
  • the non-volatile oils may in particular be selected from hydrocarbon oils, fluorinated where appropriate, and/or non-volatile silicone oils.
  • non-volatile hydrocarbon oils examples include:
  • hydrocarbon oils of vegetable origin such as phytostearyl esters, for example phytostearyl oleate, physostearyl isostearate or lauroyl / octyldodecyl / phytostearyl glutamate sold, for example, under the name ELDEW PS203 by AJINOMOTO, triglycerides constituted by esters of fatty acids and glycerol in which the fatty acids may have chain lengths in the range C4 to C24, and may be linear or branched, saturated or unsaturated; said oils are in particular heptanoic or octanoic
  • triglycerides or wheatgerm, sunflower, grapeseed, sesame, corn, apricot, castor, shea, avocado, olive, soya, sweet almond, palm, rape, cottonseed, hazelnut, macadamia nut, jojoba, alfalfa, poppy, Hokaido squash, gourd, blackcurrant, evening primrose, millet, barley, quinoa, rye, carthame,nadooulier, passiflora, or musk rose oils; shea butter; or caprylic / capric acid
  • triglycerides such as those sold by the supplier STEARINERIES DUBOIS OR those sold under the names MIGLYOL 810 ® , 812 ® and 818 ® by the supplier DYNAMIT NOBEL;
  • hydrocarbon oils of mineral or synthetic origin such as, for example:
  • esters such as oils with formula R 1 COOR 2 , wherein Ri represents the residue of a linear or branched fatty acid containing 1 to 40 carbon atoms and R 2 represents a hydrocarbon chain, especially branched, containing 1 to 40 carbon atoms, provided that Ri + R 2 ⁇ 10.
  • esters may be in particular be selected from esters, in particular of fatty acids such as, for example
  • cetostearyl octanoate esters of isopropyl alcohol such as isopropyl myristate, isopropyl palmitate, ethyl palmitate, 2-ethyl-hexyl palmitate, isopropyl stearate or isostearate, isostearyl isostearate, octyl stearate, hydroxyl esters such as isostearyl lactate, octyl
  • Ci 2 _ Ci 5 alcohol benzoates such as isodecyl neopentanoate, isotridecyl neopentanoate, isostearyl neopentanoate, octyldodecyl neopentanoate, isononanoic acid esters such as isononyl isononanoate, isotridecyl isononanoate, octyl isononanoate, or hydroxyl esters such as isostearyl lactate, or di-isostearyl malate;
  • esters of polyols and pentaetrythritol esters, such as dipentaerythritol tetrahydroxystearat /
  • esters of diol dimers and diacid dimers such as Lusplan DD-DA5® and Lusplan DD-DA7®, sold by the supplier NIPPON FINE CHEMICAL and described in application FR 03 02809;
  • a temperature having a branched and/or unsaturated carbon chain containing 12 to 26 carbon atoms such as 2- octyldodecanol , isostearyl alcohol, oleic alcohol, 2- hexyldecanol , 2-butyloctanol, or 2-undecylpentadecanol ;
  • ⁇ higher fatty acids such as oleic acid, linoleic acid, linolenic acid and mixtures thereof;
  • dialkyl carbonates the 2 alkyl chains possibly being identical or different, such as dicaprylyl
  • non-volatile silicone oils such as, for example, non-volatile polydimethylsiloxanes (PDMS) ,
  • polydimethylsiloxanes comprising pendant alkyl or alkoxy groups and/or with silicone chain ends, groups each containing 2 to 24 carbon atoms, phenyl silicones such as phenyl trimethicones , phenyl dimethicones , phenyl
  • phenyltrimethicone with a viscosity less than or equal to 100 cSt, and mixtures thereof;
  • composition containing photonic particles may be free of oil, and in particular may contain no nonvolatile oil.
  • composition comprising photonic particles may comprise at least one additive selected from adjuvants that are normal in the cosmetics field, such as fillers, coloring agents, hydrophilic or lipophilic gelling agents, active ingredients, either hydrosoluble or liposoluble, preservatives, moisturizers such as polyols and in particular glycerin, sequestrating agents, antioxidants, solvents, fragrances, physical and chemical sunscreens, especially against UVA and/or UVB, odor absorbers, pH adjusting agents (acids or bases) , and mixtures thereof.
  • adjuvants that are normal in the cosmetics field, such as fillers, coloring agents, hydrophilic or lipophilic gelling agents, active ingredients, either hydrosoluble or liposoluble, preservatives, moisturizers such as polyols and in particular glycerin, sequestrating agents, antioxidants, solvents, fragrances, physical and chemical sunscreens, especially against UVA and/or UVB, odor absorbers, pH adjusting agents (acids or bases) , and mixtures
  • the composition may contain at least one active ingredient having a complementary activity in the solar protection field, such as antioxidants, whitening agents in the context of anti-pigmentation and depigmentation, or anti-ageing active ingredients.
  • active ingredient having a complementary activity in the solar protection field such as antioxidants, whitening agents in the context of anti-pigmentation and depigmentation, or anti-ageing active ingredients.
  • the additional organic screens may be selected from various categories of chemical compounds.
  • the organic screens are selected from dibenzoylmethane derivatives; anthranilates ; cinnamic derivatives; salicylic derivatives, camphor derivatives; benzophenone derivatives; ⁇ , ⁇ -diphenylacrylate
  • the screen or screens may be selected from the following screens:
  • Hydrophobic screens capable of absorbing UV in the range 320 nm to 400 nm (UVA)
  • n-hexyl 2- (4-diethylamino-2-hydroxybenzoyl) -benzoate sold under the trade name "UVINUL A+" by BASF.
  • Preferred screens are butyl methoxydibenzoylmethane and n-hexyl 2- (4-diethylamino-2-hydroxybenzoyl) -benzoate .
  • Hydrophobic screens capable of absorbing UV in the range 280 nm to 320 nm (UVB)
  • UVASORB HEB diethylhexyl butamido triazone sold under the trade name "UVASORB HEB” by SIGMA 3V;
  • polyorganosiloxanes having a benzalmalonate function such as Polysilicone-15 sold under the trade name "PARSOL SLX” by DSM Nutritional Products, Inc;
  • Preferred screens are homosalate,
  • methoxycinnamate v isoamyl methoxycinnamate, ethylhexyl triazone, and diethylhexyl butamido triazone.
  • ethylhexylsalicylate octocrylene, ethylhexyl triazone and ethylhexyl methoxycinnamate.
  • UVINUL M40 ⁇ benzophenone-3 or oxybenzone, sold under the trade name "UVINUL M40" by BASF;
  • the preferred screens are:
  • Hydrosoluble screens capable of absorbing UV in the range
  • EP 0 669 323 and US 2 463 264 more particularly the compound disodium phenyl dibenzimidazole tetrasulfonate sold under the trade name "NEO HELIOPAN AP" by Haarmann and REIMER .
  • the preferred screen is terephthalylidene dicamphor acid sulfonic acid.
  • Hydrosoluble screens capable of absorbing UV in the range 280 nm to 320 nm (UVB) p-aminobenzoic derivatives (PABA)
  • camphor benzalkonium methosulfate manufactured under the name "MEXORYL SO" by CHIMEX;
  • the preferred screen is phenylbenzimidazole sulfonic acid .
  • the preferred screen is benzophenone-4.
  • the organic screen or screens of the invention may be present in the compositions of the invention in a concentration in the range 0.1% to 15%, preferably in the range 0.2% to 10%, by weight relative to the total composition weight.
  • the inorganic photoprotective agents are selected from metallic oxide pigments that may optionally be coated (mean size of primary particles: generally in the range 5 nm to 100 nm, preferably in the range 10 nm to 50 nm) , such as titanium oxide pigments (amorphous or crystalline in the form of rutile and/or anatase) , iron, zinc, zirconium, or cerium, which are all UV
  • the pigments may optionally be coated.
  • the coated pigments are pigments that have undergone one or more surface treatments of a chemical, electronic, or chemical-mechanical nature with compounds such as those described in Cosmetics & Toiletries, February 1990, Vol 105, pp. 53 - 64, such as amino acids, beeswax, fatty acids, fatty alcohols, anionic surfactants,
  • lecithins sodium, potassium, zinc, iron, or aluminum salts of fatty acids, metallic (titanium or aluminum) alkoxides, polyethylene, silicones, proteins (collagen, elastin) , alkanolamines , oxides of silicon, metallic oxides or sodium hexametaphosphate .
  • the silicones are organo-silicon polymers or oligomers with a linear or cyclic, branched or cured structure, with a variable molecular weight obtained by polymerization and/or polycondensation of suitably functionalized silanes and essentially
  • silicon atoms constituted by repeated principal motifs in which the silicon atoms are connected together via oxygen atoms (siloxane linkage) , with hydrocarbon radicals that may be substituted being directly bonded via a carbon atom to said silicon atoms.
  • silicones also encompasses pigments that are necessary for their preparation, in particular alkylsilanes .
  • the silicones that are used for coating pigments for suitable use in the present invention are preferably selected from the group containing alkyl silanes,
  • the silicones are selected from the group containing octyl trimethyl silane,
  • the metallic oxide pigments may have been treated with other surface agents, in particular with cerium oxide, alumina, silica, aluminum compounds, silicon compounds, or
  • coated pigments are titanium oxides coated with the following:
  • silica such as the product "SUNVEIL" from the supplier IKEDA;
  • • alumina such as the products "TIPAQUE TTO-55 (B) " or “TIPAQUE TTO-55 (A) " from the supplier I SHIHARA, and "UVT 14/4" from the supplier KEMIRA;
  • ⁇ silica, alumina and alginic acid such as the product "MT-100 AQ" from the supplier TAYCA;
  • iron oxide and iron stearate such as the product "MICROTITANIUM DIOXIDE MT 100 F" from the supplier TAYCA;
  • silica and alumina treated with a silicone such as the product "MICROTITANIUM DIOXIDE MT 600 SAS",
  • silica treated with a silicone such as the product "UV-TITAN X 195" from the supplier KEMIRA;
  • alumina treated with a silicone such as the products "TIPAQUE TTO-55 (S)” from the supplier I SHIHARA, or "UV TITAN M 262" from the supplier KEMIRA;
  • triethanolamine such as the product "STT-65-S” from the supplier TITAN KOGYO;
  • T1O 2 treated with octyl trimethyl silane, sold under the trade name "T 805" by the supplier DEGUSSA SILICES;
  • Uncoated titanium oxide pigments are, for example, sold by the supplier TAYCA under the trade names
  • uncoated zinc oxide pigments examples are:
  • coated zinc oxide pigments are:
  • Nanophase Technologies 50% dispersion in
  • polydimethylsiloxane containing 30% to 50% of nano-zinc oxides coated with silica
  • Uncoated iron oxide pigments are sold, for example, by the supplier ARNAUD under the names "NANOGARD WCD 2002 (FE 45B)", “NANOGARD IRON FE 45 BL AQ”, “NANOGARD FE 45R AQ”, “NANOGARD WCD 2006 (FE 45R)", or by the supplier MITSUBISHI under the name "TY-220”.
  • Coated iron oxide pigments are, for example, sold by the supplier ARNAUD under the names "NANOGARD WCD 2008
  • the inorganic screen or screens may be present in the compositions of the invention in a concentration in the range 0.1% to 15%, preferably in the range 0.2% to 10%, by weight relative to the total composition weight.
  • the additive or additives may be selected from those mentioned in the CTFA Cosmetic Ingredient Handbook, 10 th Edition, Cosmetic and Fragrance Assn, Inc., Washington DC (2004), herewith incorporated by reference.
  • the photonic particles may be used in lotions, creams, milks, pommades, gels, films, patches, sticks, powder, pastes, for the skin, the lips, the hair or the nails .
  • composition comprising photonic particles may be applied by hand or using an applicator.
  • Application may also be carried out by spraying or projection using a piezoelectric device, for example, or by transferring a layer of composition that has been deposited on an intermediate support.
  • composition may be packaged in any packaging device, especially formed from thermoplastic material, or on any support provided for that purpose.
  • the packaging device may be a bottle, a pump bottle, an aerosol bottle, a tube, a sachet or a pot.

Abstract

La présente invention concerne, selon des exemples de modes de réalisation, une composition, en particulier une composition cosmétique, comprenant une dispersion de particules photoniques possédant chacune un facteur de forme inférieur à 2, lesdites particules comprenant un agencement de diffraction de vides ou de nanoparticules monodispersées dans une matrice pouvant être réticulée par la chaleur, l'électricité ou la lumière. La présente invention concerne également un procédé de photoprotection d'un matériau contre le rayonnement UV solaire, consistant à traiter ledit matériau avec une composition telle que définie ci-dessus ou consistant à intégrer ladite composition dans ledit matériau. Plus particulièrement, des exemples de modes de réalisation de l'invention concernent des procédés de photoprotection de matériaux tels que des peintures, des encres, des revêtements, des matériaux fabriqués à partir de polymères, des matériaux fibreux tels que des textiles ou des papiers, ou des verres organiques ou minéraux. Des exemples de modes de réalisation de l'invention concernent également un procédé de photoprotection de la matière cornée humaine contre le rayonnement UV solaire, un procédé de coloration et/ou d'éclaircissement de la matière cornée humaine et un procédé de modification de la réflectance spectrale des matières cornées humaines à l'aide de ladite composition.
PCT/IB2010/054617 2009-10-12 2010-10-12 Composition comprenant une dispersion de particules photoniques et procédés de traitement de divers matériaux WO2011045746A2 (fr)

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US61/256,509 2009-10-30
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WO2011048570A3 (fr) * 2009-10-22 2012-03-01 L'oreal Compositions et films photoprotecteurs, et procédé de préparation
WO2015017722A3 (fr) * 2013-07-31 2015-11-12 President And Fellows Of Harvard College Matériaux colorés dans la structure avec des composants absorbants spectralement sélectifs et procédés pour les fabriquer

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CN109856300A (zh) * 2018-11-22 2019-06-07 天津大学 一种二氧化硅反蛋白石水凝胶光子晶体微球的制备方法

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EP0669323A1 (fr) 1994-02-24 1995-08-30 Haarmann & Reimer Gmbh Utilisation de benzazolen comme absorbeurs d'UV nouveaux benzazoles et procédé pour les préparation
GB2303549A (en) 1995-07-22 1997-02-26 Ciba Geigy Ag Micronising organic UV absorbers with alkyl polyglucosides
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EP0832642A2 (fr) 1996-09-13 1998-04-01 3V SIGMA S.p.A Dérivés de benzoxazole et utilisation comme filtres ultraviolet
DE19726184A1 (de) 1997-06-20 1998-12-24 Beiersdorf Ag Kosmetische und dermatologische Lichtschutzformulierungen in Form von Emulsionen, insbesondere O/W-Makroemulsionen, O/W-Mikroemulsionen oder O/W/O-Emulsionen, mit einem Gehalt an lichtschutzwirksamen Benzotriazolderivaten
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EP1008586A1 (fr) 1998-12-11 2000-06-14 Basf Aktiengesellschaft Diarylbutadiènes oligomères
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WO2011048570A3 (fr) * 2009-10-22 2012-03-01 L'oreal Compositions et films photoprotecteurs, et procédé de préparation
US9381383B2 (en) 2009-10-22 2016-07-05 L'oreal Photoprotective compositions and films, and a preparation method
WO2015017722A3 (fr) * 2013-07-31 2015-11-12 President And Fellows Of Harvard College Matériaux colorés dans la structure avec des composants absorbants spectralement sélectifs et procédés pour les fabriquer
US11155715B2 (en) 2013-07-31 2021-10-26 President And Fellows Of Harvard College Structurally colored materials with spectrally selective absorbing components and methods for making the same

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