Classifications

• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
  • A61Q5/00—Preparations for care of the hair
  • A61Q5/06—Preparations for styling the hair, e.g. by temporary shaping or colouring
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/72—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

Definitions

• the present invention relates to a reshapable hair styling composition.
• Fixing the hairstyle is an important element in hair styling, and involves maintaining a
• the term "hair styling composition” relates to
• any kind of hair composition that can be used to effect hair styling, for example fixing
• compositions shampoos, conditioners, permanent waving compositions, hair care
• compositions comprising a
• solution usually alcohol- or water-based, and one or more materials, generally
• polymer resins One of the functions of polymer resins is to form links between the
• This solution is generally packaged either in an appropriate aerosol
• hair styling compositions include styling gels and mousses, which are known hair styling compositions.
• compositions are essentially aqueous and their application wets the hair
• the hairstyle has a tendency to take on an
• hair conditioning benefits such as ease of combing and soft
• a subject of the invention is a reshapable hair styling composition comprising,
• At least acrylic polymer comprising: (a)
• Another subject of the invention is a reshapable hair styling composition
• the term "reshapable" hair styling composition means a hair styling
• composition providing hair styling that can be restored or modified without new
• “reshapable” effect means to provide a hair styling that can be restored or modified
• composition without new material or heat being applied.
• efficacy of the composition can be any organic compound or without new material or heat being applied.
• reshapable include repositionable, remoldable,
• emulsion means a stable mixture of two or more
• All emulsions comprise a continuous phase
• polyfunctional crosslinking agents means a
• crosslinking agent having an average functionality greater than 1 , such as greater
• the at least one emulsion comprises at least
• At least one acrylic polymer comprising: (a) about 50 to about 90% by weight, such as
• polymer further comprising up to about 50% by weight units derived from at least one
• the at least one co-polymerizable monomer may be any co-polymerizable monomer.
• the at least one co-polymerizable monomer may be any co-polymerizable monomer.
• Alkylacrylate monomers may
• methyl methacrylate examples include methyl methacrylate, isobomyl acrylate, ethyl acrylate, methyl acrylate,
• Useful polar monomers include acrylic acid;
• (meth)acrylamides such as N,N, -dimethyl acrylamides and N-octylacrylamide; dimethylaminoethyl methacrylate; acrylonitrile; 2-carboxyethyl acrylate; maleic
• methoxypolyethylene glycol 550 monoacrylate available from Sartomer Co. under the
• monomers include styrene and C1 -C4 vinyl esters such as vinyl acetate, vinyl
• co-polymerizable ethylenically unsaturated free radically polymerizable monomers are present in the range up to about 30% by weight.
• Polyfunctional crosslinking agents if included, may be copolymerizable with
• the monomeric components of the acrylic polymer or may by added to the
• copolymerizable crosslinking agents examples include
• alkyl triacrylates and tetracrylates such as trimethylol propane triacrylate
• copolymerizable crosslinking agent is 1 ,6-hexanediol diacrylate.
• Post-additive crosslinking agents may also be used. Examples of
• post-additive crosslinking agents include but are not limited to multifunctional
• aziridine amides such as 1 ,1'-(1 ,3-phenylenedicarbonyl)bis[2-methyl aziridine],
• the metal ion is copper, zinc, zirconium, and chromium.
• the metal ion is copper, zinc, zirconium, and chromium.
• crosslinkers are chosen from chelated esters of ortho-titanic acid sold under the
• the TYZOR is TYZOR AA, which is titanium acetyl acetonate.
• Crosslinking agents when used, comprise up to about 10 parts by weight,
• emulsions of the present invention are initiators that, on exposure to heat, generate
• water soluble initiators are preferred.
• Suitable water-soluble initiators include but are not limited to those chosen from
• potassium persulfate ammonium persulfate, sodium persulfate, and mixtures thereof;
• persulfates and reducing agents such as those chosen from sodium metabisulfite and
• the water-soluble initiator is potassium
• Suitable oil-soluble initiators include but are not limited to those chosen from
• VAZO 64 (2,2'-azobis(isobutyronitrile) and VAZO 52
• the oil-soluble thermal initiator is (2,2'-azobis(isobutyronitrile)).
• initiators may comprise from about 0.05 to about 1 part by weight, also
• the copolymerizable mixture may optionally further comprise a chain transfer
• useful chain transfer agents include but are not limited to those
• the chain transfer agent is chosen from isooctylthioglycolate and carbon tetrabromide.
• the emulsion mixture may further comprise up to about 0.5
• a chain transfer agent typically about 0.01 weight percent to about
• Polymerization via emulsion techniques may require the presence of an
• emulsifier (which may also be called an emulsifying agent or a surfactant).
• emulsifiers for the present invention include those chosen from anionic surfactants,
• nonionic surfactants and mixtures thereof.
• Useful anionic surfactants include but are not limited to those whose molecular
• structure includes at least one hydrophobic moiety chosen from about C6 - to about
• Said salts are chosen from alkali metal salts, ammonium salts, tertiary amino salts, and the like.
• Representative commercial examples of useful anionic surfactants are chosen from alkali metal salts, ammonium salts, tertiary amino salts, and the like.
• Useful nonionic surfactants include but are not limited to those whose
• molecular structure comprises a condensation product of an organic aliphatic or alkyl
• HLB Hydrophilic-Lipophilic Balance
• the HLB of a surfactant is an
• Rhone-Poulenc available from Rhone-Poulenc as the IGEPAL CA or CO series, respectively;
• the emulsion polymerization of this invention is carried out
• a useful range of emulsifier concentration is from about 0.5 to about 8 weight percent, preferably from about 1 to about 5 weight
• the acrylic emulsions of the invention may also contain one or more
• Preferred additives include plasticizers, dyes, fillers,
• antioxidants and UV stabilizers.
• Such additives can be used if they do not adversely
• the acrylic emulsions of the present invention are prepared by a semi-continuous emulsion polymerization process. In the process, a
• surfactant n-butyl acrylate monomers, hydroxyalkyl (meth)acrylate (b) monomers, and the optional components such as co-polymerizable monomers, polyfunctional
• crosslinking agents chain transfer agents, pH modifiers, and other additives.
• induction temperature typically about 50 °C to about
• the first initiator is added to initiate the polymerization and the reaction is
• the monomer pre-emulsion comprising Dl water, surfactant,
• n-butyl acrylate monomers hydroxyalkyl (meth)acrylate (b) monomers, and the
• optional components such as co-polymerizable monomers, polyfunctional crosslinking agents, chain transfer agents, and other additives is added to the stirred flask over a period of time, typically 2 to 4 hours, while the temperature is maintained.
• the second initiator charge if used, is added to the
• the mixture is cooled to room temperature (about 23 °C.) and the latex is
• the pH of the latex prepared using this method is typically about 2 to about 3.
• the acidity of the latex can be modified following latex formation using a pH modifier
• a basic solution e.g., solutions of sodium hydroxide, ammonium hydroxide
• buffer solutions e.g., sodium bicarbonate and the like
• buffer solutions e.g., sodium bicarbonate and the like
• the pH is 7 or less. In another embodiment, the pH is in
• the acrylic polymers may be neutralized in one embodiment of the invention.
• Suitable neutralizing agents may be chosen
• organic, inorganic, and organomineral bases such as amino methyl propanols, sodium and potassium hydoxides, primary, secondary and tertiary amines, ammoniacs, derivatives thereof, and combinations thereof.
• the acrylic has a glass transition
• Tg temperature ranging from about -100 to about 15°C.
• the Tg of the acrylic is obtained following the application of the acrylic
• the glass transition temperature is determined by
• DSC Differential Scanning Calorimetric method
• composition according to the invention may comprise at least one other
• perfumes perfumes; UV filters; active haircare agents; plasticizers; anionic, cationic,
• amphoteric, nonionic, and zwitterionic surfactants such as
• silicone fluids fatty esters, fatty alcohol, long chain hydrocarbons, emollients,
• lubricants such as lanolin compounds, protein hydrolysates, and
• polymers ; dyes; tints; bleaches; reducing agents; pH adjusting agents; sunscreens;
• the appropriate cosmetically acceptable vehicle is adapted to the method of
• the vehicle preferably comprises an appropriate solvent to
• compositions according to the invention can be provided in any form
• a vaporizable composition including in the form of a vaporizable composition, mousse, gel, or lotion.
• composition may be in any of the conventional form including, but not
• compositions hair dye compositions, hair straightening compositions, hair fixing
• composition according to the invention may be vaporizable, for example
• a pump or may be a pressurized aerosol composition. It may be vaporizable by
• a dispensing valve controlled by a dispensing head, which in turn comprises a nozzle
• a vaporizable composition according to the
• the appropriate solvent comprises an appropriate solvent.
• the appropriate solvent is selected from any solvent.
• lower alcohol means a C1-C4 aliphatic alcohol, preferably
• the vaporizable composition according to the invention is an aerosol
• composition it additionally comprises an appropriate amount of propellant.
• propellant comprises compressed or liquefied gases, which are normally employed
• Suitable gasses include compressed air,
• carbon dioxide nitrogen, and gases, which are soluble or otherwise in the composition, such as dimethyl ether, fluorinated or non-fluorinated hydrocarbons, and
• the present invention additionally provides an aerosol device comprising a
• an aerosol composition which comprises on the one hand a liquid phase (or juice) comprising at least one hair styling material as described above in an appropriate medium and on the other hand a propellant, and a dispenser for dispensing said aerosol composition.
• the present invention additionally provides a method of treating keratinous
• fibers, especially hair in which the composition according to the invention as defined above is applied to the hair before, during, or after the shaping of the hairstyle.
• compositions according to the invention can be rinsed off or not rinsed off the hair.
• present invention additionally provides the use of a composition as
• composition according to the invention can be provided in any form known
• a vaporizable composition a mousse, a gel, or a lotion.
• hair styling composition can be determined by an in vivo test. Specifically, a
• composition comprising the acrylic emulsion and a cosmetically
• the medium may be chosen, for example, from water, lower alcohols such as ethanol, and mixtures thereof.
• the composition typically comprises from about 1% to about 12% by weight active material.
• the compositions may be in any form noted above, including lotions.
• composition is in the form of a lotion
• the in vivo test proceeds as follows. The hair of the model is washed and then divided into two
• composition is applied to one
• the reference composition may, for example, be chosen from
• the hairdresser dries and styles both sides of the head.
• the two sides of the head are
• the hair is brushed in different directions to remove
• composition is a reshapable hair styling composition.
• a reshapable hair styling composition is a reshapable hair styling composition.
• composition permits (1) the original hair styling to be restored after brushing and (2)
• composition to be evaluated is in another form, such as a shampoo
• the in vivo test can be appropriately modified by one skilled in the art.
• in vivo testing may require testing on 10-20 different individuals.
• HOA methyl methacrylate
• MMA methyl methacrylate
• RHODACAL DS- 10 sodium dodecyl benzene sulfonate surfactant
• reaction mixture was then heated to 70 °C and maintained at this temperature for 20
• This pre-emulsified mixture contained 345.6 grams of BA, 69.12 grams of
• Example 2 To a 2000ml reactor was added 37.0 grams of n-butyl acrylate (BA), 7.68
• HOA 2-hydroxyethyl acrylate
• MMA methyl methacrylate
• reaction mixture was then heated to 70 °C and maintained at this temperature for 20
• This pre-emulsified mixture contained 295.8 grams of BA, 69.12 grams of
• mousse or lotion were prepared using the components and amounts in weight percent listed hereafter. The testing was conducted on several models with one part
• compositions were applied to wet hair after shampooing. In some instances, the composition was rinsed off after
• the hair was then dried, brushed, and evaluated.
• Example 1 4 % active material
• Example 2 8 % active material
• Example 1 8 % active material
• Example 1 1 % active material
• Formulation D imparted very good reshapable effect much better than the reference with very good cosmetic properties (soft hair with good touch).

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• Birds (AREA)
• Epidemiology (AREA)
• Cosmetics (AREA)

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• 2001
  • 2001-07-12 EP EP01958297A patent/EP1353627A2/de not_active Withdrawn
  • 2001-07-12 WO PCT/IB2001/001568 patent/WO2002009656A2/en not_active Application Discontinuation
  • 2001-07-12 AU AU2001280017A patent/AU2001280017B2/en not_active Ceased
  • 2001-07-12 PL PL01365575A patent/PL365575A1/xx unknown
  • 2001-07-12 CA CA002416907A patent/CA2416907A1/en not_active Abandoned

Non-Patent Citations (1)

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