WO2021132531A1 - Composite comprenant de l'alcool polyvinylique et une charge hydrophile et dispersible dans l'eau - Google Patents

Composite comprenant de l'alcool polyvinylique et une charge hydrophile et dispersible dans l'eau Download PDF

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Publication number
WO2021132531A1
WO2021132531A1 PCT/JP2020/048613 JP2020048613W WO2021132531A1 WO 2021132531 A1 WO2021132531 A1 WO 2021132531A1 JP 2020048613 W JP2020048613 W JP 2020048613W WO 2021132531 A1 WO2021132531 A1 WO 2021132531A1
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weight
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composite
filler
polyvinyl alcohol
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PCT/JP2020/048613
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English (en)
Inventor
Mitsuhiro Ebara
Koichiro Uto
Mingwei MU
Mohammad Mydul ALAM
Adrien KAESER
Jun Sasai
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L'oreal
National Institute For Materials Science
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Publication of WO2021132531A1 publication Critical patent/WO2021132531A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q5/00—Preparations for care of the hair
    • A61Q5/06—Preparations for styling the hair, e.g. by temporary shaping or colouring
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/73—Polysaccharides
    • A61K8/731—Cellulose; Quaternized cellulose derivatives
    • 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
    • A61K8/8129—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 alcohol, ether, aldehydo, ketonic, acetal or ketal radical; Compositions of hydrolysed polymers or esters of unsaturated alcohols with saturated carboxylic acids; Compositions of derivatives of such polymers, e.g. polyvinylmethylether

Definitions

  • the present invention relates to a humidity-responsive composite comprising at least one polyvinyl alcohol and at least one hydrophilic and water-dispersible filler, wherein the concentration of the filler is 30% by weight or less relative to the total weight of the composite.
  • hairstyling products which can keep hairstyles for a long period of time under humid conditions.
  • styling products having various forms such as gels, mists, waxes, and creams are used, but there are no products that can fulfill the above desire.
  • Humidity-responsive materials which change their properties depending on the relative humidity, are known.
  • such materials are disclosed in US ' 6,627,673 B2 and US 8,790,450 B2.
  • they are difficult to use in cosmetics due to safety concerns and lack of cosmetic properties.
  • An objective of the present invention is to provide a material with a humidity-responsive property, which can be used in hair cosmetics capable of not only maintaining hairstyles for a long period of time under humid conditions but also imparting excellent cosmetic effects to the hair.
  • the above objective can be achieved by a composite comprising at least one polyvinyl alcohol and at least one hydrophilic and water-dispersible filler, wherein the concentration of the filler is 30% by weight or less relative to the total weight of the composite.
  • the polyvinyl alcohol may have a degree of hydrolysis of 70% or more, preferably 75% or more, more preferably 80% or more, and most preferably 85% or more, and less than 100%, preferably 98% or less, more preferably 95% or less, and most preferably 90% or less.
  • the polyvinyl alcohol may have a degree of polymerization of 150 or more, preferably 300 or more, more preferably 500 or more, and most preferably 700 or more, and 2500 or less, preferably 2200 or less, more preferably 2000 or less, and most preferably 1800 or less.
  • the polyvinyl alcohol may be a polymer having the following unit (I):
  • unit (II) wherein the unit (II) is not present or is present in amount of 1 mol% or more, preferably 5 mol% or more, and more preferably 10 mol% or more, and 20 mol% or less, preferably 18 mol% or less, and more preferably 15 mol% or less.
  • the hydrophilic and water-dispersible filler may be chosen from mineral and organic fillers.
  • the mineral fillers may be selected from silica (S1O2) particles, iron oxide (Fe 3 CO 4 ) particles, and titanium dioxide (T1O2) particles.
  • the organic fillers may be cellulose or a derivative thereof, and preferably microcrystalline cellulose.
  • the concentration of the hydrophilic and water-dispersible filler may be 25% by weight or less, preferably 20% by weight or less, more preferably 15% by weight or less, and most preferably 10% by weight or less, and 1% by weight or more, preferably 3% by weight or more, and more preferably 5% by weight or more, relative to the total weight of the composite.
  • the present invention may also relate to a process for preparing the composite of the present invention, comprising mixing the polyvinyl alcohol and the hydrophilic and water-dispersible filler in an aqueous medium such as water.
  • the present invention may also relate to a composition
  • a composition comprising the composite of the present invention in an amount of 1% by weight or more, preferably 2% by weight or more, and more preferably 3% by weight or more, and 20% by weight or less, preferably 10% by weight or less, and more preferably 5% by weight or less, relative to the total weight of the composition.
  • the present invention may also relate to a composition
  • a composition comprising at least one polyvinyl alcohol and at least one hydrophilic and water-dispersible filler, wherein the concentration of the filler is 30% by weight or less relative to the total weight of the polyvinyl alcohol and the filler and wherein the polyvinyl alcohol and the filler are combined to form a composite.
  • the composition according to the present invention may be a cosmetic composition for keratin fibers such as hair, and preferably a hairstyling composition.
  • the present invention may also relate to a process of styling the hair, preferably together with providing the hair with excellent cosmetic effects such as an excellent feel to the touch of the hair, the process comprising applying the composite or composition according to the present invention to the hair.
  • the present invention may also relate to a process of memorizing a hairstyle so as to convert the hairstyle back into its original style under humid conditions or of maintaining the hairstyle for a long period of time under humid conditions, comprising applying the composite or composition according to the present invention to the hair.
  • the present invention may also relate to the use of a combination of at least one polyvinyl alcohol and at least one hydrophilic and water-dispersible filler wherein the concentration of the filler is 30% by weight or less relative to the total weight of the polyvinyl alcohol and the filler, in order to form a humidity-responsive composite.
  • hair cosmetics having a good balance between (i) a property for keeping hairstyles for a long period of time under humid conditions and (ii) good hair cosmetic effects (such as an excellent feel to the touch of the hair) can be provided by a composite comprising at least one polyvinyl alcohol and at least one hydrophilic and water-dispersible filler, wherein the concentration of the filler is 30% by weight or less relative to the total weight of the composite.
  • one aspect of the present invention is a composite comprising at least one polyvinyl alcohol and at least one hydrophilic and water-dispersible filler, wherein the concentration of the filler is 30% by weight or less relative to the total weight of the composite.
  • the composite of the present invention comprises at least one polyvinyl alcohol and at least one hydrophilic and water-dispersible filler, and the concentration of the filler must be 30% by weight or less relative to the total weight of the composite.
  • the composite essentially consists of or consists of at least one polyvinyl alcohol and at least one hydrophilic and water-dispersible filler.
  • the composite can be prepared from a solution comprising the polyvinyl alcohol and the hydrophilic and water-dispersible filler in an aqueous medium, i.e., water and optionally a water-soluble solvent.
  • the composite can be prepared by mixing the polyvinyl alcohol and the hydrophilic and water-dispersible filler in an aqueous medium such as water.
  • water-soluble solvents for example lower monoalcohols containing from 1 to 5 carbon atoms, such as ethanol and isopropanol, glycols containing from 2 to 8 carbon atoms, such as ethylene glycol, propylene glycol, 1,3-butylene glycol and dipropylene glycol, C 3 and C 4 ketones and C 2 -C 4 aldehydes.
  • alcohol for example lower monoalcohols containing from 1 to 5 carbon atoms, such as ethanol and isopropanol
  • glycols containing from 2 to 8 carbon atoms such as ethylene glycol, propylene glycol, 1,3-butylene glycol and dipropylene glycol, C 3 and C 4 ketones and C 2 -C 4 aldehydes.
  • the composite of the present invention can be regarded as being an aggregate of the polyvinyl alcohol and the hydrophilic and water-dispersible filler, such as a covalently-bonded assembly of the polyvinyl alcohol and the hydrophilic and water-dispersible filler.
  • the composite has a humidity-responsive property. Therefore, the composite can maintain hairstyles for a long period of time under humid conditions. Furthermore, the composite can memorize the hairstyle so as to convert the hairstyle back into its original style under humid conditions. Accordingly, after the composite is applied to the hair, even if the hair becomes untidy, the hair is converted back into its original style under humid conditions.
  • the composite can provide the hair with excellent cosmetic effects such as softness, smoothness, and easy detangling.
  • the composite comprises polyvinyl alcohol that is water-soluble, the composite can easily be rinsed off from the hair with water.
  • the total concentration of the vinyl alcohol and the hydrophilic and water-dispersible filler may be 70% by weight or more, preferably 80% by weight or more, more preferably 90% by weight or more, and most preferably 100% by weight, relative to the total weight of the composite.
  • the composite may be comprised in a composition, preferably a cosmetic composition for keratin fibers such as hair, and more preferably a hairstyling composition, in an amount of 1% by weight or more, preferably 2% by weight or more, and more preferably 3% by weight or more, and 20% by weight or less, preferably 10% by weight or less, and more preferably 5% by weight or less, relative to the total weight of the composition.
  • a cosmetic composition for keratin fibers such as hair
  • a hairstyling composition in an amount of 1% by weight or more, preferably 2% by weight or more, and more preferably 3% by weight or more, and 20% by weight or less, preferably 10% by weight or less, and more preferably 5% by weight or less, relative to the total weight of the composition.
  • the composite of the present invention comprises at least one polyvinyl alcohol.
  • the polyvinyl alcohol is a polymer having a vinyl alcohol unit with the following formula:
  • the polyvinyl alcohol can be obtained by polymerizing vinyl ester to obtain a polymer in accordance with a well-known method, followed by hydrolyzing the polymer.
  • an acid or a base is generally used.
  • the base is used in the hydrolyzing step.
  • a completely-hydrolyzed polymer may be used as the polyvinyl alcohol of the present invention.
  • Any suitable polymerization method may be used.
  • the polymerization method mention may be made of a solution polymerization method, a bulk polymerization method, and a suspension polymerization method.
  • vinyl ester mention may be made of vinyl acetate, vinyl formate, vinyl propionate, vinyl butyrate, vinyl pivalate, vinyl laurate, vinyl stearate, and vinyl benzoate.
  • the degree of hydrolysis and the degree of polymerization for the polyvinyl alcohol may be appropriately selected depending on the intended use.
  • the degree of hydrolysis may be 70% or more, preferably 75% or more, more preferably 80% or more, and most preferably 85% or more, and less than 100%, preferably 98% or less, more preferably 95% or less, and most preferably 90% or less.
  • the degree of hydrolysis can be controlled by any suitable well-known method. In general, the degree of hydrolysis can be measured in accordance with JIS K6726.
  • the degree of polymerization may be 150 or more, preferably 300 or more, more preferably 500 or more, and most preferably 700 or more, and 2500 or less, preferably 2200 or less, more preferably 2000 or less, and most preferably 1800 or less.
  • the degree of polymerization can be measured in accordance with JIS K6726.
  • the vinyl ester may be vinyl acetate.
  • the polyvinyl alcohol comprised in the composite of the present invention may be a polymer prepared by polymerizing vinyl acetate and hydrolyzing the resultant product.
  • the polyvinyl alcohol may be a polymer having the following unit (I):
  • the unit (II) is not present or is present in amount of 1 mol% or more, preferably 5 mol% or more, and more preferably 10 mol% or more, and 20 mol% or less, preferably 18 mol% or less, and more preferably 15 mol% or less.
  • the degree of hydrolysis is 95%.
  • the polyvinyl alcohol may have an average-weight molecular weight (Mw) of 10000 or more, preferably 12000 or more, and more preferably 15000 or more, and 500000 or less, preferably 300000 or less, and more preferably 200000 or less.
  • a derivative of polyvinyl alcohol such as anion-modified polyvinyl alcohol and cation-modified polyvinyl alcohol may be used in the present invention.
  • anion-modified polyvinyl alcohol mention may be made of polyvinyl alcohol which is modified by carboxylic acid, undecylenic acid and/or sulfonic acid.
  • carboxylic acid-modified polyvinyl alcohol may be prepared by introducing a compound comprising a carboxy group into polyvinyl alcohol by means of any suitable well-known method.
  • the cation-modified polyvinyl alcohol mention may be made of polyvinyl alcohol which is modified by ammonium, sulfonium and/or an amino group.
  • SELVOLTM (Celvol®) Polyvinyl Alcohol sold by SEKISUI may be used as the polyvinyl alcohol.
  • the concentration of the polyvinyl alcohol may be 70% by weight or more, preferably 75% by weight or more, more preferably 80% by weight or more, even more preferably 85% by weight or more, still even more preferably 90% by weight or more, and most preferably 95% by weight or more, and 99% by weight or less, preferably 97% by weight or less, and more preferably 96% by weight or less, relative to the total weight of the composite.
  • the composite of the present invention comprises at least one hydrophilic and water-dispersible filler.
  • test in order to determine whether a filler is hydrophilic or hydrophobic, the test defined below can be carried out.
  • a test tube 20 mm in diameter is filled with 20 ml of water. 2 g of a filler is added to the tube without shaking and the behavior of the filler is observed for a maximum of 5 min. If the filler remains entirely at the surface, it is considered as "hydrophobic". In the opposite case, it is considered as "hydrophilic".
  • water-dispersible means that a filler forms in water, at a concentration of 5% by weight, at 25°C, a stable suspension or dispersion of fine particles.
  • the mean size of the particles constituting the dispersion may be, for example, less than 1 pm and, more generally, ranges from 5 nm to 400 nm, such as from 10 nm to 250 nm. These particle sizes may be measured by light scattering techniques.
  • filler should be understood as meaning an uncolored or white particle that is solid at room temperature and atmospheric pressure, and according to the present invention, the particle is not soluble in water, even when water is brought to a temperature above room temperature.
  • the fillers may be chosen from mineral and organic fillers. When the fillers are organic fillers, they are polymeric organic fillers.
  • the filler may be particles of any form, for example, platelet-shaped, spherical, and oblong, irrespective of their crystallographic form .(for example lamellar, cubic, hexagonal, and orthorhombic).
  • organic filler means fillers containing one or more organic chemical compound, which optionally may be coated with at least one other organic or mineral compound.
  • mineral filler means fillers containing one or more mineral chemical compound, which optionally may be coated with at least one other organic or mineral compound.
  • a filler comprising or consisting of a material chosen from, for example, talc, mica, silica, glass microcapsules, titanium dioxide, iron oxide ( ⁇ -Fe 2 O 3 , y-Fe 2 O 3 , Fe 3 O 4 , FeO), zinc oxide, magnesium aluminum silicate, trimethyl siloxysilicate, kaolin, bentone, calcium carbonate, magnesium hydrogen carbonate, hydroxyapatite, boron nitride, fluorphlogopite, sericite, calcinated talc, calcinated mica, calcinated sericite, synthetic mica, lauroyl lysine, metal soap, bismuth oxychloride, barium sulfate, and magnesium carbonate.
  • a filler comprising or consisting of a material chosen from, for example, talc, mica, silica, glass microcapsules, titanium dioxide, iron oxide ( ⁇ -Fe 2 O 3 , y-Fe 2 O 3 , Fe 3
  • the mineral fillers may be particles of talc, mica, silica, glass microcapsules, titanium dioxide, iron oxi ⁇ de( ⁇ ( ⁇ -Fe 2 O 3 ,3-Fe 2 O 3 , Fe 3 O 4 , F eO), zinc oxide, magnesium aluminum silicate, trimethyl siloxysilicate, kaolin, bentone, calcium carbonate, magnesium hydrogen carbonate, hydroxyapatite, boron nitride, fluorphlogopite, sericite, calcinated talc, calcinated mica, calcinated sericite, synthetic mica, lauroyl lysine, metal soap, bismuth oxychloride, barium sulfate, or magnesium carbonate.
  • the mineral fillers may optionally be hydrophilically surface-treated. Also, the mineral fillers may optionally be coated. For example, the mineral fillers may be coated with alumina, titanium dioxide, silica, aluminum oxide and/or barium sulfate, such as TiO 2 /silica, mica/TiO 2 , silica/TiO 2 , and the complex of silica and of TiO/ 2 TiO 2 .
  • the filler may be in lamellar or non-lamellar form.
  • the mineral filler may be silica (S1O2) particles, iron oxide (Fe 3 O 4 ) particles, and titanium dioxide (TiO 2 ) particles.
  • organic filler examples include fillers made of; cellulose powders; (meth)acrylic or (meth)acrylate powders, such as polymethylmethacrylate powders e.g., Polytrap ® "; polyacrylonitrile powders; organopolysiloxane powders; polyamide powders, for example, Nylon ® powders; poly- ⁇ -alanine powders; polyethylene powders; fluoroethylene powders; lauroyllysine; starch; hollow polymer microspheres, for example comprising an (alkyl)acrylate, such as those of polyvinylidene chloride/acrylonitrile, e.g., Expancel ® ; metal soaps derived from organic carboxylic acids containing from 8 to 22 carbon atoms, for example zinc stearate, magnesium stearate, lithium stearate, zinc laurate, magnesium myristate; and polyurethane powders.
  • polymethylmethacrylate powders e.g., Polytrap ® "
  • the hydrophilic and water-dispersible filler according to the present invention may be cellulose powders.
  • cellulose means any polysaccharide compound having in its structure sequences of glucose residues linked together via b-1,4 bonds, and in addition to unsubstituted celluloses, a derivative thereof may be used.
  • cellulose ethers, cellulose esters and cellulose ester ethers such as carboxymethyl cellulose, hydroxyethyl cellulose and hydroxypropyl methylcellulose may be used.
  • hydrophilic and water-dispersible filler according to the present invention may be microcrystalline or nanocrystalline cellulose, and preferably microcrystalline cellulose.
  • Microcrystalline cellulose is a purified, partially depolymerized cellulose obtained from fibrous plant material as a pulp.
  • the microcrystalline cellulose may be in the form of a particle, and the particle preferably has an average particle size of 50 ⁇ m or less, preferably 10 pm or less, and more preferably less than 1 pm.
  • the average particle size means volume average particle size.
  • the microcrystalline cellulose may be in the form of a fiber, and the fiber preferably has an average fiber diameter of 2-5 nm.
  • the average fiber diameter means volume average fiber diameter.
  • microcrystalline cellulose be the isolated, crystalline portion of cellulose fibers from wood pulp and it can be used in colloidal (i.e. co-processed with a soluble hydrocolloid) or non-colloidal form.
  • the microcrystalline cellulose may be used in colloidal form having a particle size of ⁇ 1 um, i.e., a rod-like particle shape.
  • the initial viscosity is preferably selected in the range of 30 to 150 cps as a 1 to 3 wt% dispersion.
  • the (a) microcrystalline cellulose additionally has a sieve fraction of +60 mesh of not more than 0.1% by weight and +325 mesh of not more than 75% by weight.
  • the (a) microcrystalline cellulose may be used alone or in the form of a mixture with sodium carboxymethylcellulose as the coprocessd microcrystalline cellulose.
  • microcrystalline cellulose be "Avicel ® PH Microcrystalline Cellulose” sold by FMC Corporation and "MICROCRYSTALLINE CELLULOSE” sold by ACCENT.
  • the concentration of the hydrophilic and water-dispersible filler must be 30% by weight or less relative to the total weight of the composite. If the composite comprise the hydrophilic and water-dispersible filler in an amount of more than 30% by weight, the composite cannot achieve a good balance between the hairstyle keeping property and the hair cosmetic effects.
  • the concentration of the hydrophilic and water-dispersible filler may be 25% by weight or less, preferably 20% by weight or less, more preferably 15% by weight or less, and most preferably 10% by weight or less, and 1% by weight or more, preferably 3% by weight or more, and more preferably 5% by weight or more, relative to the total weight of the composite.
  • the present invention may also relate to a composition
  • a composition comprising at least one polyvinyl alcohol and at least one hydrophilic and water-dispersible filler, wherein the concentration of the filler is 30% by weight or less relative to the total weight of the polyvinyl alcohol and the filler and wherein the polyvinyl alcohol and the filler are combined to form a composite.
  • the composition may preferably be a cosmetic composition for keratin fibers such as hair, and preferably a hairstyling composition.
  • composition according to the present invention may also comprise ingredients commonly used in cosmetics, such as vitamins, fragrances, pearlescent agents, thickeners, gelling agents, trace elements, demulcent agents, sequestering agents, fragrances, basifying or acidifying agents, preservatives, sunscreens, surfactants, antioxidants, agents for combating hair loss, antidandruff agents, propellants or ceramides, or mixtures thereof.
  • ingredients commonly used in cosmetics such as vitamins, fragrances, pearlescent agents, thickeners, gelling agents, trace elements, demulcent agents, sequestering agents, fragrances, basifying or acidifying agents, preservatives, sunscreens, surfactants, antioxidants, agents for combating hair loss, antidandruff agents, propellants or ceramides, or mixtures thereof.
  • ingredients commonly used in cosmetics such as vitamins, fragrances, pearlescent agents, thickeners, gelling agents, trace elements, demulcent agents, sequestering agents, fragrances, basifying or acidifying agents, preservatives, sunscreens
  • composition according to the present invention may have the form of, in particular, an aqueous, alcoholic or aqueous/alcoholic solution or suspension, of an oily suspension or solution, of an emulsion or dispersion with a liquid or semi-liquid consistency obtained by dispersion of a fatty phase in an aqueous phase (O/W) or vice versa (W/O), of a dispersion or emulsion with a soft consistency, of an aqueous or aqueous/alcoholic or oily (anhydrous) gel, or also of microcapsules or microparticles, or of vesicular dispersions of ionic and/or nonionic type.
  • an aqueous, alcoholic or aqueous/alcoholic solution or suspension of an oily suspension or solution, of an emulsion or dispersion with a liquid or semi-liquid consistency obtained by dispersion of a fatty phase in an aqueous phase (O/W) or vice versa (W/O), of a dispersion or
  • composition according to the present invention can be used in the hair field, especially for form retention of the hairstyle or hair shaping.
  • the hair compositions may preferably be shampoos, gels, hair setting lotions, blow-drying lotions, fixing and styling compositions such as lacquers or sprays.
  • the lotions may be packaged in various forms, especially in spray, pump dispensers or in aerosol containers in order to provide application of the composition in sprayed form or in foam form.
  • the composite according to the present invention be intended to be used in a cosmetic composition for keratin fibers such as hair, and preferably a hairstyling composition.
  • the composite or composition according to the present invention may be used for a process of styling the hair, preferably together with providing the hair with excellent cosmetic effects (such as an excellent feel to the touch of the hair), the process comprising applying the composite or composition according to the present invention to the hair.
  • the composite or composition according to the present invention may be used for a process of memorizing a hairstyle so as to convert the hairstyle back into its original style under humid conditions, comprising applying the composite or composition according to the present invention to the hair.
  • the composite or composition according to the present invention may be used for a process of maintaining a hairstyle under humid conditions, comprising applying the composite or composition according to the present invention to the hair.
  • the composite or composition according to the present invention may be used for a process of converting a hairstyle back into its original style under humid conditions, comprising applying the composite or composition according to the present invention to the hair and putting the hair back into humid conditions.
  • the present invention may also relate to the use of a combination of at least one polyvinyl alcohol and at least one hydrophilic and water-dispersible filler wherein the concentration of the filler is 30% by weight or less relative to the total weight of the polyvinyl alcohol and the filler, in order to form a humidity-responsive composite.
  • Another aspect of the present invention is a combination of at least one polyvinyl alcohol and at least one hydrophilic and water-dispersible filler wherein the concentration of the filler is 30% by weight or less relative to the total weight of the polyvinyl alcohol and the filler, for use in forming a humidity-responsive composite.
  • the present invention may also relate to the use of the composite or composition according to the present invention, in order to style the hair, preferably together with providing the hair with excellent cosmetic effects (such as an excellent feel to the touch of the hair).
  • the present invention may also relate to the use of the composite or composition according to the present invention, in order to (i) memorize a hairstyle so as to convert the hairstyle back into its original style under humid conditions or (ii) maintain hair styles under a humid condition.
  • the composite or composition according to the present invention can maintain hairstyles under humid conditions.
  • the composite or composition according to the present invention can convert the hairstyle back into its original style under humid conditions.
  • the composite or composition according to the present invention can impart excellent cosmetic effects to the hair.
  • Example 1 Properties of Films Made of Inventive and Comparative Composites
  • microcrystalline cellulose was used as the hydrophilic and water-dispersible filler.
  • an inventive film was prepared from an inventive composite which was obtained from "Inventive Formulation” comprising polyvinyl alcohol (PVA) and microcrystalline cellulose, wherein the concentration of the microcrystalline cellulose is within the scope defined by the present invention.
  • a comparative film was prepared from a comparative composite which was obtained from "Comparative Formulation 1" comprising only PVA.
  • comparative films were prepared from comparative composites which were obtained from "Comparative Formulation 2" and “Comparative Formulation 3” comprising PVA and the microcrystalline cellulose, wherein the concentration of the microcrystalline cellulose is not within the scope defined by the present invention.
  • the prepared composite films were compared with respect to shape memory property.
  • PVA pellets and the microcrystalline cellulose were added to water such that the total concentration of the PVA and the microcrystalline cellulose was 10% by weight.
  • the ratio of the PVA and the micro crystalline cellulose was changed such that the concentration of the microcrystalline cellulose is 25% by weight (Inventive Formulation), 50% by weight (Comparative Formulation 2), or 75% by weight (Comparative Formulation 3) in the composite.
  • the mixture was stirred at 80°C and then it was cooled down while stirring.
  • the mixture was sonicated for 30 min to remove bubbles.
  • Each of the inventive and comparative films was cut into 0.5 x 6 cm pieces.
  • the film was twisted to make a curl and fixed to a glass bar with a clip.
  • the glass bar was left to stand in an oven at 120°C for 30 min to give a permanent shape.
  • the glass bar was taken out from the oven and was cooled down to room temperature.
  • the film was stretched by attaching a weight of 5 g and the stretched film was left to stand overnight. The weight was removed and the length of the film was measured (this length corresponds to "film length before humidification", and it was referred to as "L1 ").
  • the film was then left to stand in a humid chamber (80% to 90% humidity) for 6 hr.
  • Example 2 Effects of Inventive and Comparative Composites When Being Applied to Hair
  • microcrystalline cellulose was also used as the hydrophilic and water-dispersible filler.
  • inventive and comparative formulations were prepared in accordance with the amounts of PVA, microcrystalline cellulose, and water shown in Table 2. As described below, each of the inventive and comparative formulations was applied to the hair, and properties for maintaining hairstyle under humid conditions (shape memory property and curl maintaining property) and hair cosmetic effects were compared.
  • the cosmetic effect of the hair to which each of the inventive and comparative formulations had been applied was evaluated on the basis of a smooth feeling to touch.
  • the criterion was as follows: “Very Good” means that the hair cosmetic effect was completely acceptable, “Good” means that the hair cosmetic effect was moderately acceptable, and “Poor” means that the hair cosmetic effect was not acceptable.

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Abstract

La présente invention concerne une composition comprenant au moins un alcool polyvinylique et au moins une charge hydrophile et dispersible dans l'eau, la concentration en charge étant de 30 % en poids ou moins par rapport au poids total du composite. La présente invention concerne également une composition comprenant au moins un alcool polyvinylique et au moins une charge hydrophile et dispersible dans l'eau, la concentration de la charge étant de 30 % en poids ou moins par rapport au poids total de l'alcool polyvinylique et de la charge et l'alcool polyvinylique et la charge étant combinés pour former un composite. Le composite ou la composition selon la présente invention permet qu'une coiffure soit conservée dans des conditions humides. Le composite ou la composition selon la présente invention permet également que la coiffure revienne à son style d'origine dans des conditions humides. En outre, le composite ou la composition selon la présente invention peut conférer d'excellents effets cosmétiques aux cheveux.
PCT/JP2020/048613 2019-12-27 2020-12-18 Composite comprenant de l'alcool polyvinylique et une charge hydrophile et dispersible dans l'eau WO2021132531A1 (fr)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6627673B2 (en) 2001-07-24 2003-09-30 Kimberly-Clark Worldwide, Inc. Methods of making humidity activated materials having shape-memory
EP1987860A2 (fr) * 2007-04-27 2008-11-05 L'oreal Film hydrosoluble cosmétique
US8790450B2 (en) 2009-12-14 2014-07-29 Vm3 International Pty Ltd Humidity sensitive compositions

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6627673B2 (en) 2001-07-24 2003-09-30 Kimberly-Clark Worldwide, Inc. Methods of making humidity activated materials having shape-memory
EP1987860A2 (fr) * 2007-04-27 2008-11-05 L'oreal Film hydrosoluble cosmétique
US8790450B2 (en) 2009-12-14 2014-07-29 Vm3 International Pty Ltd Humidity sensitive compositions

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DATABASE GNPD [online] MINTEL; 10 July 2017 (2017-07-10), ANONYMOUS: "Pink Grapefruit Oil Free Acne Scrub", XP055801034, retrieved from https://www.gnpd.com/sinatra/recordpage/4938127/ Database accession no. 4938127 *
DATABASE GNPD [online] MINTEL; 27 November 2015 (2015-11-27), ANONYMOUS: "Full Bloom Long-Lasting Thickening & Refreshing Spray", XP055801035, retrieved from https://www.gnpd.com/sinatra/recordpage/3591467/ Database accession no. 3591467 *

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