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WO2011045741A2 - Particules photoniques; compositions les contenant; procédés de photoprotection de divers matériaux - Google Patents

Particules photoniques; compositions les contenant; procédés de photoprotection de divers matériaux Download PDF

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Publication number
WO2011045741A2
WO2011045741A2 PCT/IB2010/054610 IB2010054610W WO2011045741A2 WO 2011045741 A2 WO2011045741 A2 WO 2011045741A2 IB 2010054610 W IB2010054610 W IB 2010054610W WO 2011045741 A2 WO2011045741 A2 WO 2011045741A2
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WO
WIPO (PCT)
Prior art keywords
photonic
composition
nanoparticles
particle
particles
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/IB2010/054610
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English (en)
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WO2011045741A3 (fr
Inventor
Jean-Thierry Simonnet
Karine Lucet-Levannier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LOreal SA
Original Assignee
LOreal SA
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Filing date
Publication date
Priority claimed from FR0957133A external-priority patent/FR2951078B1/fr
Application filed by LOreal SA filed Critical LOreal SA
Publication of WO2011045741A2 publication Critical patent/WO2011045741A2/fr
Publication of WO2011045741A3 publication Critical patent/WO2011045741A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • A61K8/02—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
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/0241—Containing particulates characterized by their shape and/or structure
    • A61K8/0279—Porous; Hollow
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q1/00—Make-up preparations; Body powders; Preparations for removing make-up
    • A61Q1/02—Preparations containing skin colorants, e.g. pigments
    • 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
    • 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
    • C09D7/69—Particle size larger than 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
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/10—Other agents for modifying properties
    • D01F1/106—Radiation shielding agents, e.g. absorbing, reflecting agents
    • 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
    • A61K2800/20—Chemical, physico-chemical or functional or structural properties of the composition as a whole
    • A61K2800/26—Optical properties
    • 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
    • A61K2800/412—Microsized, i.e. having sizes between 0.1 and 100 microns
    • 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
    • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/60—Particulates further characterized by their structure or composition
    • A61K2800/65—Characterized by the composition of the particulate/core
    • A61K2800/654—The particulate/core comprising macromolecular material
    • 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
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/22—Expanded, porous or hollow particles
    • C08K7/24—Expanded, porous or hollow particles inorganic
    • C08K7/26—Silicon- containing compounds
    • 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 in particular to photonic particles, to compositions containing them and to methods of photoprotecting various materials and 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
  • 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 various compositions comprising photonic particles, especially colored, or reflecting electromagnetic radiation outside the visible spectrum. However, it is silent as regards photonic particles containing hollow nanoparticles .
  • the invention aims to achieve all or some of these obj ects .
  • Exemplary embodiments of the invention provide a photonic particle with a mean size in the range 1 ym
  • Exemplary embodiments of the invention provide a composition comprising a dispersion of photonic particles with a mean size in the range 1 ym to 500 ym, in
  • 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 with a mean size in the range 1 ym to 500 ym, in particular in the range 1 ym to 300 ym, comprising a diffracting arrangement of hollow
  • 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 above defined 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; • a method of photoprotecting an organic or mineral glass, comprising treating said glass with at least one composition comprising a dispersion of photonic particles as defined above or comprising integrating at least said composition into said glass;
  • a method of photoprotecting a material comprising at least natural fibers and/or artificial fibers and/or synthetic fibers such as textiles or papers, comprising treating said material with at least one composition comprising a dispersion of photonic particles as defined above or comprising integrating at least said composition into said material.
  • the polymeric materials according to embodiments 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 copolymers
  • CA cellulose acetate polymers
  • EPS expanded polystyrenes
  • PS polystyrenes
  • 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:
  • 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.
  • 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.
  • each of said methods comprising a step of applying a cosmetic composition comprising a dispersion of photonic particles with a mean size in the range 1 ym to 500 ym, in particular in the range 1 ym to 300 ym, said particles comprising a diffracting arrangement of hollow
  • said photonic particle has a mean size in the range 1 ym to 500 ym, in particular in the range 1 ym to 300 ym, and comprises a diffracting arrangement of hollow nanoparticles.
  • This photonic particle may present, unless the contrary is specified, all the properties of the photonic particles according to the invention described below.
  • compositions for use in a method of photoprotection of human keratinous material against solar UV radiation in particular in a method for reducing the risk of
  • composition comprises a dispersion of photonic particles with a mean size in the range 1 ym to
  • said photonic particles comprising a diffracting arrangement of hollow nanoparticles .
  • composition may present, unless the contrary is specified, all the properties of the cosmetic
  • diffracting arrangement means a set of particles or voids diffracting incident light in a manner that screens UV and/or produces coloration and/or lightening 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
  • 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 may be solid or hollow.
  • Photonic particles according to the invention comprise hollow nanoparticles , aggregated without a matrix, or aggregated or dispersed in any type of matrix, for e.g. dispersed in a thermo, electro or photo- crosslinkable matrix.
  • Figure 1 shows a photonic particle 1 comprising hollow nanoparticles 10 aggregated without a matrix.
  • Figures 2 and 3 show a photonic particle 1 comprising aggregated, respectively dispersed, hollow nanoparticles 10 in a matrix 20.
  • the photonic particles of the invention may, for example, be manufactured from hollow nanoparticles using the following manufacturing methods.
  • a first method of manufacturing such particles comprises, for example, a step of irradiation with microwaves, as described in the publication by S-H Kim et al, JACS, 2006, 128, 10897 - 10904.
  • a second manufacturing method comprises a step of aggregating S1O 2 or polystyrene nanoparticles under electrospray .
  • the photonic particles may also comprise hollow nanoparticles aggregated or dispersed in a matrix.
  • a second method may comprise a step of aggregation from an emulsion of PMMA
  • 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
  • At least one arrangement comprises hollow nanoparticles and at least one other arrangement comprises nanoparticles that may be solid or hollow .
  • each arrangement may, for example, cover part of the UV spectrum, in order to obtain broader photoprotection .
  • 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, 1 - 7 or in the publication "Patterned colloidal photonic domes and balls derived from viscous photocurable
  • 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 several different types of photonic particles, for example having reflection peaks centered on different wavelengths located in the visible or UV region.
  • the composition may, for example, comprise a mixture of one type of photonic particles comprising hollow 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 a thermo-, electro- or photo-curable matrix and another type of photonic particle not
  • thermo-, electro- or photo-crosslinkable matrix 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 hollow nanoparticles comprise a core and a shell .
  • the shell of the nanoparticles may be monolithic or composite .
  • the shell of the nanoparticles may be inorganic and may, for example, comprise at least one oxide, especially a metallic oxide, for example selected from silica, oxides of silica, iron, titanium, aluminum, chromium, zinc, copper, zirconium, and cerium, and mixtures
  • the shell of the nanoparticles may also include a metal, especially titanium, silver, gold, aluminum, zinc, iron, copper, and mixtures and alloys thereof.
  • the shell of 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 PAM
  • silicone polymers POM
  • NADs non aqueous dispersions
  • rigid NADs for example, e.g. constituted by 96.7% methyl methacrylate and 3.3% ethylene glycol dimethacrylate 20% crosslinked in
  • PLA polylactic acid
  • PLAGA polylactic acid-glycolic acid
  • celluloses and derivatives thereof polyurethane, polycaprolactone, latex form, chitin, or composite chitin materials.
  • the glass transition temperature (T g ) of the shell of the organic nanoparticles may be greater than 40°C, and preferably greater than 60°C.
  • the shell of the nanoparticles may, for example, be formed from PS and the particles may, for example, be aggregated in an organic matrix.
  • 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
  • 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 of the hollow nanoparticle may represent between 10% and 80%, preferably between 20% and 60%, of the total volume of the hollow nanoparticle.
  • 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.
  • the photonic particles may comprise hollow
  • nanoparticles aggregated or dispersed in any type of matrix, for example dispersed in a thermo-, electro- or photo-crosslinkable matrix.
  • the matrix may be organic or inorganic.
  • Non-limiting examples of organic matrixes include acrylic matrixes: polymethyl methacrylate (PMMA) or polacrylamide (PAM) , matrices of polyethylene terephtalate (PET) , polystyrene (PS) , polycaprolactone, polyvinyl acetate, polyvinylethyl acetate, and waxes with a melting point greater than 65°C [celsius], for example greater than 75°C, and with a hardness of more than 5 MPa and preferably more than 6 Mpa [megapascal] .
  • PMMA polymethyl methacrylate
  • PAM polacrylamide
  • PET polyethylene terephtalate
  • PS polystyrene
  • polycaprolactone polyvinyl acetate
  • polyvinylethyl acetate polyvinylethyl acetate
  • waxes with a melting point greater than 65°C [celsius], for example greater than 75°C, and
  • the matrix may be thermo-, photo- or electro-crosslinkable .
  • photo-crosslinkable matrix means a matrix in which crosslinking is induced and/or assisted by light, especially UV.
  • thermo-crosslinkable 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.
  • thermo-crosslinkable matrix means a matrix in which crosslinking is induced and/or assisted by applying an electric field.
  • 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, electrocrosslinking or
  • a matrix may be both thermocrosslinkable and
  • the photonic particles comprise hollow nanoparticles that may be dispersed in a thermo-, electro- or photo- crosslinkable matrix.
  • thermo-, electro- or photocrosslinkable matrix may be organic.
  • crosslinkable organic matrixes that may be mentioned are:
  • photocrosslinkable polymers such as ETPA
  • 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 15 hydrocarbon group containing 5 to 8 carbon atoms;
  • polyorganosiloxanes comprising at least one alkylhydrogenosiloxane unit with formula:
  • R is a linear or cyclic monovalent hydrocarbon 20 group containing 1 to 30 carbon atoms or a phenyl group and p is equal to 1 to 2;
  • thermoplastic thermocrosslinkable
  • the matrix crosslinking may be chemical
  • the photoinitiator is selected, for example, from the following list: DMPA (dimethoxy 2- 30 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- 35 (dimethylamino) -4 ' -morpholinobutyrophenone sold by Sigma- Aldrich ® , phenylbis (2,4, 6-trimethylbenzoyl ) -phosphine oxide sold by Sigma-A
  • the PEG diacrylates may, for example, be crosslinked using a photoinitiator such as camphorolactone.
  • inorganic matrixes examples include metallic oxide matrixes, especially Si02, Ti0 2 , ZrO or CaC03, or Si matrixes.
  • Medium containing photonic particles are metallic oxide matrixes, especially Si02, Ti0 2 , ZrO or CaC03, or Si matrixes.
  • 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 cosmetically 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 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 for example KSGs
  • polymers of the PS-PA type or copolymers based on styrene (Kraton, Regalite) 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 exemplary
  • 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 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
  • fluorinated volatile oils such as nonafluoromethoxybutane or
  • 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
  • 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 ]3 ⁇ 4 represents a hydrocarbon chain, especially branched, containing 1 to 40 carbon atoms, provided that Ri + R2 ⁇ 10.
  • esters may 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
  • isononanoate or hydroxyl esters such as isostearyl lactate, or di-isostearyl malate;
  • esters of polyols and pentaetrythritol esters, such as dipentaerythritol tetrahydroxystearat /
  • 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 ;
  • 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,
  • 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 especially against UVA and/or UVB, odor absorbers, pH adjusting agents (acids or bases) , and mixtures thereof.
  • 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)
  • Ethylhexyl methoxycinnamate sold in particular under the trade name "PARSOL MCX” by DSM Nutritional Products, Inc;
  • 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 400 Benzophenone-1 sold under the trade name "UVINUL 400" by BASF;
  • Benzophenone-8 sold under the trade name "Spectra-Sorb UV-24" by American Cyanamid;
  • the preferred screens are:
  • the preferred screen is terephthalylidene dicamphor acid sulfonic acid.
  • Hydrosoluble screens capable of absorbing UV in the range 280 nm to 320 nm UVB
  • PABA p-aminobenzoic derivatives
  • the preferred screen is phenylbenzimidazole sulfonic acid.
  • Benzophenone derivatives comprising at least one sulfonic radical
  • 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 crosslinked structure, with a variable molecular weight obtained by polymerization and/or polycondensation of suitably functionalized silanes and essentially 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 ISHIHARA, 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, alumina, and aluminum stearate treated with a silicone such as the products "STT-30-DS" from the supplier TITAN KOGYO;
  • 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 ISHIHARA, or "UV TITAN M 262" from the supplier KEMIRA;
  • triethanolamine such as the product "STT-65-S” from the supplier TITAN KOGYO;
  • Uncoated titanium oxide pigments are, for example, sold by the supplier TAYCA under the trade names
  • uncoated zinc oxide pigments examples are:
  • Nanophase Technologies those sold under the name "Nanogard WCD 2025" by the supplier Nanophase Technologies.
  • coated zinc oxide pigments are:
  • Nanophase Technologies 50% dispersion in Finsolv TN, C12-C15 alcohol benzoate
  • 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.
  • Nanoparticles are constituted by 100% of 285 nm PMMA nanoparticles from the supplier SOKEN.
  • the photonic particles, obtained by spray drying, were approximately 30 ym in size.
  • Figure 4 represents an absorption spectrum of various compositions comprising photonic particles of the invention .

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Abstract

L'invention concerne des particules photoniques (1) de taille moyenne comprise entre 1 μm et 500 μm, plus particulièrement entre 1 μm et 300 μm, comprenant un arrangement de diffraction de nanoparticules creuses (10), ainsi que des compositions contenant une dispersion de ces particules. Cette invention concerne également un procédé de photoprotection des matières kératiniques humaines contre le rayonnement UV solaire. L'invention concerne aussi des procédés de photoprotection de matériaux industriels tels que des peintures, des encres, des revêtements, des matériaux manufacturés à partir de polymères, ou de matières fibreuses tels que des textiles, des papiers, ou des verres organiques ou minéraux.
PCT/IB2010/054610 2009-10-12 2010-10-12 Particules photoniques; compositions les contenant; procédés de photoprotection de divers matériaux Ceased WO2011045741A2 (fr)

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FR0957133 2009-10-12
FR0957133A FR2951078B1 (fr) 2009-10-12 2009-10-12 Particules photoniques
US25709409P 2009-11-02 2009-11-02
US61/257,094 2009-11-02
FR1051144 2010-02-17
FR1051144 2010-02-17
US30632910P 2010-02-19 2010-02-19
US61/306,329 2010-02-19

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Cited By (4)

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Publication number Priority date Publication date Assignee Title
FR3046076A1 (fr) * 2015-12-29 2017-06-30 Oreal Composition comprenant des particules photoniques et une argile
JP2019501916A (ja) * 2015-12-29 2019-01-24 ロレアル フォトニック粒子と、少なくとも１種の吸収体と、少なくとも１種の界面活性剤とを含む組成物
WO2020244885A1 (fr) 2019-06-05 2020-12-10 Beiersdorf Ag Protection solaire cosmétique comprenant des particules photoniques
WO2023139037A1 (fr) * 2022-01-18 2023-07-27 Basf Se Compositions de filtre uv comprenant des particules d'oxyde métallique à cellules fermées

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FR3046076A1 (fr) * 2015-12-29 2017-06-30 Oreal Composition comprenant des particules photoniques et une argile
JP2019501916A (ja) * 2015-12-29 2019-01-24 ロレアル フォトニック粒子と、少なくとも１種の吸収体と、少なくとも１種の界面活性剤とを含む組成物
WO2020244885A1 (fr) 2019-06-05 2020-12-10 Beiersdorf Ag Protection solaire cosmétique comprenant des particules photoniques
WO2023139037A1 (fr) * 2022-01-18 2023-07-27 Basf Se Compositions de filtre uv comprenant des particules d'oxyde métallique à cellules fermées

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