WO2015152211A1 - Liquide d'enlèvement des ongles artificiels, procédé d'enlèvement des ongles artificiels, et kit de décoration des ongles - Google Patents

Liquide d'enlèvement des ongles artificiels, procédé d'enlèvement des ongles artificiels, et kit de décoration des ongles Download PDF

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Publication number
WO2015152211A1
WO2015152211A1 PCT/JP2015/060071 JP2015060071W WO2015152211A1 WO 2015152211 A1 WO2015152211 A1 WO 2015152211A1 JP 2015060071 W JP2015060071 W JP 2015060071W WO 2015152211 A1 WO2015152211 A1 WO 2015152211A1
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Prior art keywords
artificial nail
group
polymer
compound
acid
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PCT/JP2015/060071
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English (en)
Japanese (ja)
Inventor
元気 高梨
朋樹 落水
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富士フイルム株式会社
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Publication of WO2015152211A1 publication Critical patent/WO2015152211A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D29/00—Manicuring or pedicuring implements
    • A45D29/18—Manicure or pedicure sets, e.g. combinations without case, etui, or the like
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D31/00—Artificial nails
    • 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
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/34—Alcohols
    • 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
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/36—Carboxylic acids; Salts or anhydrides thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/36—Carboxylic acids; Salts or anhydrides thereof
    • A61K8/365—Hydroxycarboxylic acids; Ketocarboxylic acids
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q3/00—Manicure or pedicure preparations
    • A61Q3/04—Nail coating removers

Definitions

  • the present invention relates to an artificial nail remover, an artificial nail removal method, and a nail art kit.
  • An object of the present invention is to provide an artificial nail removal liquid with a reduced removal time. Another object of the present invention is to provide a method for removing an artificial nail using the artificial nail removing solution and a nail art kit.
  • ⁇ 1> An artificial nail removal liquid, comprising an acid compound as component A, a compound having a hydroxyl group as component B, and water as component C, ⁇ 2>
  • the content of Component A in the artificial nail removal liquid is 0.05 to 20% by mass (more preferably 0.1 to 10% by mass, and still more preferably 0.1% by mass relative to the total mass of the artificial nail removal liquid.
  • the removal solution for artificial nails according to any one of ⁇ 1> to ⁇ 3>, ⁇ 5> The removal for an artificial nail according to any one of ⁇ 1> to ⁇ 4>, wherein the component B contains a compound having a hydroxyl value of 5 mmol / g or more (more preferably a compound having 8 mmol / g or more) liquid, ⁇ 6>
  • the content of Component B in the artificial nail remover is 0.01 to 20% by mass (more preferably 0.05 to 10% by mass, and still more preferably) with respect to the total mass of the artificial nail remover 0.1-5% by mass), the removal solution for artificial nail according to any one of ⁇ 1> to ⁇ 5>, ⁇ 7>
  • ⁇ 11> The artificial nail removal liquid according to any one of ⁇ 1> to ⁇ 10>, wherein the artificial nail is an artificial nail formed by curing a photocurable artificial nail composition
  • ⁇ 12> A method for removing an artificial nail, comprising the step of bringing the removal liquid according to any one of ⁇ 1> to ⁇ 11> into contact with the artificial nail
  • ⁇ 13> A nail art kit comprising an artificial nail composition and the removal solution for artificial nail according to any one of ⁇ 1> to ⁇ 11>, ⁇ 14> The nail art kit according to ⁇ 13>, wherein the artificial nail composition contains a polymer having an amino group.
  • ⁇ 15> The nail art kit according to ⁇ 13> or ⁇ 14>, wherein the artificial nail composition contains a monomer having an amino group
  • ⁇ 16> The nail art kit according to any one of ⁇ 13> to ⁇ 15>, wherein the artificial nail composition is a photocurable artificial nail composition.
  • a removal liquid for artificial nails having a reduced removal time is provided. Moreover, the removal method of the artificial nail using the said removal liquid for artificial nails and the nail art kit were provided.
  • a group having a substituent is also included.
  • R represents an alkyl group, an aryl group or a heterocyclic group
  • R is an unsubstituted alkyl group, a substituted alkyl group, an unsubstituted aryl group, a substituted aryl group
  • (meth) acryl represents the concept containing both acryl and methacryl, and the same applies to (meth) acrylate and the like.
  • the polymer in this specification shall include a copolymer. In the present invention, a combination of two or more preferred embodiments is more preferred.
  • the artificial nail removal liquid of the present invention includes (Component A) an acid compound, (Component B) a compound having a hydroxyl group, and (Component) C) It contains water.
  • Removal liquid includes (Component A) an acid compound, (Component B) a compound having a hydroxyl group, and (Component) C) It contains water.
  • Component A an acid compound
  • Component B a compound having a hydroxyl group
  • Component C It contains water.
  • an organic solvent such as acetone
  • the method is to place cotton soaked on the above-mentioned artificial nail, wind it with aluminum foil, leave it as it is to swell the artificial nail, and then peel off this swollen artificial nail using a wooden spatula etc. It was mainstream.
  • acetone since acetone is used, damage to the nails is large, and from the viewpoint of environmental consideration, it is required that the use of a volatile organic solvent is small.
  • the present inventors have reduced the use of a volatile organic solvent such as acetone by using a remover containing components A to C, and are shorter than when a conventional remover is used. It has been found that the artificial nail can be removed in time, and the present invention has been completed. Although the detailed mechanism is unknown, by adding a compound having a hydroxyl group to the removal liquid, the affinity between the removal liquid and the artificial nail is improved as compared with the case where an acidic removal liquid is simply used, It is estimated that the removability is improved.
  • the component which the removal liquid for artificial nails of this invention contains is explained in full detail.
  • the removal liquid for artificial nail of the present invention contains an acid compound as Component A.
  • the acid compound is not particularly limited as long as it is a compound having hydrogen dissociable in at least one water.
  • any of known organic acids and inorganic acids can be used. From the viewpoint of handleability, an organic acid is preferable, and a carboxylic acid is more preferable.
  • the inorganic acid include hydrochloric acid, sulfuric acid, nitric acid, perchloric acid, carbonic acid, phosphoric acid and the like. Carbonic acid and phosphoric acid are preferable, and carbonic acid is more preferable.
  • organic acid examples include carboxylic acid, sulfonic acid, sulfuric acid monoester, phosphoric acid monoester, phosphoric diester, phosphonic acid and the like, carboxylic acid, sulfonic acid, phosphoric monoester, and phosphonic acid are preferable, and carboxylic acid is More preferred.
  • carboxylic acids include formic acid, acetic acid, propionic acid, butyric acid, valeric acid, caproic acid, enanthic acid, caprylic acid, pelargonic acid, capric acid, lauric acid, myristic acid, palmitic acid, margaric acid, stearic acid, Glycolic acid, lactic acid, tartronic acid, glyceric acid, hydroxybutyric acid, 2-hydroxybutyric acid, 3-hydroxybutyric acid, ⁇ -hydroxybutyric acid, malic acid, tartaric acid, citramalic acid, citric acid, leucine acid, meparonic acid, pantoic acid, ricinol Acid, cerebronic acid, quinic acid, shikimic acid, salicylic acid, panillic acid, syringic acid, resorcylic acid, protocatechuic acid, gentisic acid, gallic acid, mandelic acid, benzylic acid, atrolactic acid, mellilotic acid
  • carboxylic acids used in cosmetics include, but are not limited to, acetic acid, formic acid, propionic acid, glycolic acid, citric acid, lactic acid, malic acid, amino acids and the like.
  • citric acid, glycolic acid, malic acid, and acetic acid are particularly suitable.
  • the content of the acid compound in the removal liquid is not particularly limited, but is preferably 0.05 to 20% by mass and more preferably 0.1 to 10% by mass with respect to the total mass of the removal liquid. Preferably, the content is 0.5 to 5% by mass.
  • Component B Compound having a hydroxyl group
  • the removal liquid for artificial nail of the present invention contains a compound having a hydroxyl group as Component B.
  • the compound having a hydroxyl group any known alkyl alcohol and water-soluble aryl alcohol (phenols) can be preferably used.
  • the compound having a hydroxyl group preferably has a molecular weight of 32 to 2,000. The molecular weight is more preferably 1,500 or less, and still more preferably 1,000 or less.
  • the compound whose hydroxyl value is 5 mmol / g or more is preferable, the compound which is 7 mmol / g or more is more preferable, and the compound which is 8 mmol / g or more is still more preferable.
  • the hydroxyl value is calculated using the following calculation formula.
  • Component B is a compound having no acid group.
  • a compound having an acid group and a hydroxyl group (for example, citric acid, lactic acid, malic acid, etc.) corresponds to Component A.
  • component B examples include methanol, ethanol, isopropyl alcohol, n-butanol, t-butanol, hexanol, ethylene glycol, propylene glycol, 1,3-butanediol, pentanediol, cyclohexanediol, glycerol, trimethylolpropane, Examples include inositol, pentaerythritol, diglycetine, dipropylene glycol, tripropylene glycol, sorbitol, glucose, sucrose, polyethylene glycol, polyvinyl alcohol, phenol, catechol, and polyoxyethylene polyoxypropylene glycol.
  • Component B is preferably one generally used in cosmetics, and specifically includes ethanol, isopropanol, n-butanol, t-butanol, ethylene glycol, propylene glycol, 1,3-butanediol, glycerol, pentane. Examples include, but are not limited to, diols. Of these, ethanol, 1,3-butaneoyl, and isopropanol are particularly preferred.
  • the content of component B in the removal liquid is not particularly limited, but is preferably 0.01 to 20% by mass and more preferably 0.05 to 10% by mass with respect to the total mass of the removal liquid. Preferably, the content is 0.1 to 5% by mass.
  • the artificial nail removal solution of the present invention contains water as Component C.
  • water used for a removal liquid
  • the content of water in the removal liquid is not particularly limited, but is preferably 50 to 99.5% by mass, more preferably 70 to 99% by mass, based on the total mass of the removal liquid. More preferably, it is -98 mass%.
  • an acid salt is preferably added to form a buffer solution.
  • an acid component (acid compound) salt preferably a sodium salt (sodium citrate, sodium gluconate, sodium carbonate, sodium phosphate, etc.) with an acid may be mentioned. However, it is not particularly limited.
  • the removal liquid of the present invention may contain other components as required in addition to the above components.
  • Specific examples include surfactants, pH buffers, preservatives, fragrances, water-soluble polymers, rust inhibitors, organic solvents, antifoaming agents, wetting agents, hard water softeners, stabilizers, thickeners, and the like. .
  • the removal liquid of the present invention may be a concentrated liquid from the viewpoints of cost, transportability, and storability, and may be an embodiment in which the concentrated liquid is diluted with water or the like when used. Moreover, you may mix each raw material powder and each stock solution just before using a removal liquid. In addition, preferable content of said each component means content at the time of use.
  • the pH of the removal liquid is preferably 5.0 or less, more preferably 4.0 or less, and even more preferably 3.0 or less.
  • the pH of the removal liquid is preferably 1.0 or more, and more preferably 2.0 or more, from the viewpoint of safety to the skin and nails.
  • the removal liquid may be used after being heated to such an extent that safety is not impaired.
  • the immersion liquid may be stirred.
  • the artificial nail removal method of the present invention includes a step of removing the artificial nail by contacting the removal liquid of the present invention (removal step).
  • the artificial nail removal method of the present invention can be easily removed by bringing the artificial nail into contact with the removal liquid of the present invention instead of the conventional organic solvent such as acetone.
  • the method of contact is not particularly limited, and the artificial nail may be directly immersed in the removing liquid, the artificial nail may be wrapped with cotton dampened with the removing liquid, or sprayed with a sprayer or a shower. . However, it is not limited to these examples.
  • the removal method of the artificial nail of this invention includes the process of scratching the surface and / or front-end
  • a nail file, such as a file, can be used suitably.
  • the surface and / or tip of the artificial nail is arbitrarily rubbed with a nail file and then immersed in the removal solution of the present invention and left for about 1 to 5 minutes to change the solubility of the artificial nail.
  • Fingertips and nails by (I) methods of wiping artificial nails with a cloth or non-woven fabric, (II) methods of peeling with a spatula or stick-like instrument, or (III) methods of picking up with tweezers or tweezers Can be peeled off very easily and safely.
  • wiping, peeling off, picking up, etc. can be carried out while immersing in the above method, so that it can be removed more quickly. Further, removal may be promoted by applying ultrasonic waves or vibrations.
  • the artificial nail removal method of the present invention may include other known steps.
  • the nail art kit of the present invention includes an artificial nail composition and an artificial nail removal liquid, and the artificial nail removal liquid is the removal liquid of the present invention.
  • the preferred embodiment of the removing solution in the nail art kit of the present invention is the same as described above.
  • the nail art kit of this invention may contain arbitrary goods other than the said artificial nail composition and a removal liquid.
  • an artificial nail composition for color or top a nail file such as a file, a brush or brush such as a flat brush for applying an artificial nail composition, an exposure device such as a UV light, a wiping or cleaning liquid , Wipes for wiping, nail brushes, dust brushes, nail foams used for lengthening nails, decorative stones such as acrylic, glass, metal or natural stone, decorative powders such as nail seals, glitters and holograms , A cutter, a spatula, a stick, a separator that widens the distance between fingers in order to prevent contact between the nails, and the like, but is not limited thereto.
  • the artificial nail composition is a composition which is cured by drying and / or exposure on a human or animal nail or other artificial nail to form an artificial nail.
  • claw formed with the artificial nail composition can be easily removed with the removal liquid of this invention.
  • the artificial nail in the present invention refers to a layer formed on a human or animal nail for the purpose of beauty and / or protection.
  • the other artificial nail includes a resin base material having an arbitrary shape for the purpose of nail decoration and / or protection. “Human and animal nails and other artificial nails” are also simply referred to as “nails”.
  • the artificial nail is preferably nail polish such as manicure or pedicure, or gel nail.
  • the artificial nail may have a multilayer structure, and may have a primer layer, a base layer, a color layer, and / or a top layer.
  • the layer formed with the artificial nail composition used suitably for this invention mentioned later is a layer which is in contact with the nail
  • the thickness of the artificial nail can be controlled by the application amount of the artificial nail composition.
  • the thickness is not particularly limited as long as it is generally within the range of an artificial nail, but it is preferably 10 to 2,000 ⁇ m from the viewpoint of practicality and removability, and is preferably 20 to 1,500 ⁇ m. More preferred is 20 to 1,000 ⁇ m.
  • the removal liquid of the present invention is suitable for removing an artificial nail having an amino group, and particularly suitable for removing an artificial nail containing a polymer having an amino group.
  • the artificial nail containing a polymer having an amino group the following artificial nails (i) to (iii) are preferably exemplified.
  • an artificial nail formed by an artificial nail composition containing a polymer having an amino group and / or a monomer having an amino group is preferable.
  • the aspect (i) is an artificial nail formed by drying, and the artificial nail composition is a so-called artificial nail composition for nail polish.
  • the above aspects (ii) and (iii) are artificial nails formed by photocuring, and the artificial nail composition is a so-called photocurable artificial nail composition (“artificial nail composition for gel nail”). ).
  • the photocurable artificial nail composition is an artificial nail composition curable by actinic rays.
  • Actinic light is radiation that can give energy to generate a starting species in the artificial nail composition by irradiation, and includes ultraviolet light, visible light, and the like. Among these, ultraviolet rays are preferable.
  • an artificial nail composition is formed using component n: an artificial nail composition containing a polymer having an amino group, and the amino group derived from component a is an artificial nail.
  • an artificial nail composition containing component b: a monomer having an amino group is photocured to form an artificial nail, and the monomer having an amino group is polymerized to form a polymer. Then, amino groups derived from monomers having amino groups are introduced into the polymer.
  • the removal liquid of the present invention is suitable for removing artificial nails having amino groups, in particular, artificial nails containing a polymer having amino groups, and as an artificial nail composition for forming the artificial nails.
  • the artificial nail composition preferably contains an organic solvent in addition to component a: a polymer having an amino group.
  • the artificial nail composition preferably further contains a polymerizable compound and a polymerization initiator in addition to component a: an amino group-containing polymer.
  • the artificial nail composition preferably contains a polymerization initiator in addition to the component b: a monomer having an amino group, and further contains a polymer component (film forming agent). Is preferred.
  • the polymerizable compound further contains a monomer having an amino group
  • a polymer component having an amino group is contained as the polymer component. It goes without saying that it is not something you do.
  • the artificial nail as another preferred embodiment of the artificial nail, (iv) acrylic polymer, urethane polymer, cellulose polymer, ester polymer, amide polymer, vinyl polymer, ether polymer, styrene polymer, carbonate type
  • an artificial nail containing at least one polymer selected from the group consisting of a polymer, a urea polymer, an ethylene polymer, and an amine polymer.
  • the inclusion of these polymers is preferable because of excellent adhesion and removability.
  • the artificial nail is preferably an artificial nail formed from an artificial nail composition containing the polymer.
  • the artificial nail composition may not contain a polymer having an amino group or a monomer having an amino group.
  • the artificial nail composition preferably contains an organic solvent or a polymerizable compound and a polymerization initiator in addition to the above polymer. It is more preferable to contain a functional compound and a polymerization initiator.
  • the polymer having an amino group is preferably one of the above-mentioned polymers, and more preferably a urethane polymer.
  • the polymer includes a copolymer and an oligomer.
  • the weight average molecular weight of the polymer is preferably 2,000 or more and 300,000 or less, more preferably 3,000 or more and 200,000 or less, and further preferably 4,000 or more and 100,000 or less. Preferably, it is 5,000 or more and 50,000 or less. It is excellent in the adhesiveness of the hardened
  • the artificial nail composition contains a polymer having an amino group as the component a.
  • the weight average molecular weight of component a is preferably 2,000 or more and 300,000 or less, more preferably 3,000 or more and 200,000 or less, and further preferably 4,000 or more and 100,000 or less. Preferably, it is 5,000 or more and 50,000 or less. It is excellent in the adhesiveness and removability of the obtained artificial nail as it is the said range, and is excellent in temporal stability.
  • component a may have an ethylenically unsaturated group. When component a has an ethylenically unsaturated group, the ethylenically unsaturated group may be present in any of the main chain, side chain, and terminal of the polymer in component a.
  • the amino group in component a may be any of a primary amino group, a secondary amino group, and a tertiary amino group, but is preferably a secondary amino group or a tertiary amino group, More preferably, it is a tertiary amino group.
  • the resulting artificial nail is excellent in removability and water resistance, and is easy to synthesize.
  • Component a may have an amino group in the main chain of the polymer or in the side chain, but is preferably a polymer having an amino group in the side chain from the viewpoint of synthesis. .
  • Component a may have one type of amino group or two or more types.
  • the “monomer unit” in the present invention includes not only a strict monomer-derived constituent unit but also a monomer unit modified by a polymer reaction in which a reaction such as modification is performed after a polymer is obtained.
  • Component a is preferably a polymer having a structure represented by the following formula I, and more preferably a polymer having a structure represented by the following formula I in the side chain.
  • R 1 and R 2 each independently represents a hydrogen atom or an alkyl group having 1 to 10 carbon atoms, and at least two selected from the group consisting of R 1 , R 2 and L 1 are linked to each other.
  • a ring may be formed, L 1 represents a divalent linking group, and a wavy line represents a bonding position with another structure.
  • R 1 and R 2 in Formula I are each independently preferably an alkyl group having 1 to 10 carbon atoms, and is a methyl group or an ethyl group, from the viewpoint of the balance between solubility in an aqueous acid solution and water resistance. It is particularly preferred.
  • at least two selected from the group consisting of R 1 , R 2 and L 1 may be linked to each other to form a ring.
  • L 1 in Formula I is an alkylene group having 1 to 20 carbon atoms which may have a substituent, and a part of the carbon atoms may be replaced with a heteroatom from the viewpoint of the film property of the polymer.
  • alkylene group having 1 to 20 carbon atoms it is preferably an alkylene group having 1 to 20 carbon atoms, an oxyalkylene group having 2 to 20 carbon atoms, or a polyoxyalkylene group having 2 to 20 carbon atoms, and an alkylene group having 1 to 20 carbon atoms or It is more preferably a polyoxyalkylene group having 2 to 20 carbon atoms, particularly preferably an alkylene group having 1 to 20 carbon atoms, and most preferably an alkylene group having 2 or 3 carbon atoms.
  • the heteroatom is preferably a nitrogen atom or an oxygen atom, and more preferably an oxygen atom.
  • the said hetero atom is a nitrogen atom, it is preferable that the remaining group on a nitrogen atom is a hydrogen atom or an alkyl group, and it is more preferable that it is an alkyl group.
  • a monomer having the structure represented by the formula I is subjected to condensation polymerization, addition polymerization, addition condensation, ionic polymerization (cationic polymerization, Examples thereof include a method of polymerizing using a known polymerization reaction such as anionic polymerization.
  • the polymer structure in component a is not particularly limited as long as it is a desired polymer structure.
  • polymer structures such as styrene polymer, carbonate polymer, urea polymer, ethylene polymer, and amine polymer.
  • component a may be an ether polymer, an ethylene polymer (particularly a polyethyleneimine polymer), a urethane polymer, or an acrylic polymer.
  • a urethane polymer and an acrylic polymer are particularly preferable, and an acrylic polymer is most preferable.
  • a urethane polymer is most preferable.
  • acrylic polymer examples include known acrylic acid derivatives (for example, acrylic esters such as methyl acrylate and ethyl acrylate, acrylic amides such as acrylamide and acryloylmorpholine), and methacrylic acid derivatives (for example, methyl methacrylate, methacrylic acid).
  • Any polymer can be suitably used as long as it is a polymer obtained by polymerizing a methacrylic acid ester such as ethyl or a methacrylic acid amide such as methacrylamide or isopropylamide. However, it is not limited to these examples.
  • Examples of the method for introducing an amino group into the acrylic polymer include a method for polymerizing or copolymerizing a (meth) acrylic acid derivative having an amino group, and a method for introducing an amino group by a polymer reaction.
  • Examples of a method for introducing an ethylenically unsaturated group into an acrylic polymer include a method for polymerizing or copolymerizing a (meth) acrylic acid derivative having an ethylenically unsaturated group, and a method for introducing an ethylenically unsaturated group by a polymer reaction. The method to introduce is mentioned.
  • Urethane polymers include known polyisocyanate compounds (for example, methylene diisocyanate, hexamethylene diisocyanate, trimethylhexamethylene diisocyanate, phenyl diisocyanate, tolylene diisocyanate, diphenylmethane diisocyanate, tolidine diisocyanate, naphthalene diisocyanate, triphenylmethane triisocyanate, tris ( Phenyl isocyanate) thiophosphate, phenylene diisocyanate, lysine diisocyanate, xylylene diisocyanate, bis (isocyanatomethyl) cyclohexane, dicyclohexylmethane diisocyanate, isopropylidenebis (cyclohexyl isocyanate), isophorone diisocyanate, dianisidine diisocyanate Diphenyl ether diisocyanate) and known polyol
  • Examples of a method for introducing an amino group into a urethane polymer include a method of performing polycondensation using a polyisocyanate compound and / or a polyol compound having a tertiary amino group or a group in which an amino group is protected, and a polymer reaction.
  • transducing an amino group by is mentioned.
  • the protected amino group may be deprotected by a known method after forming a polymer. The same applies to the following.
  • Examples of the method of introducing an ethylenically unsaturated group into a urethane polymer include a method of introducing by a polymer reaction and a method of polycondensation using a polyol compound or a polyisocyanate compound having an ethylenically unsaturated group. It is done. These compounds are not particularly limited, but for polyols having an ethylenically unsaturated group, (meth) acrylate-containing diol compounds as described in JP 2010-100047 can be preferably used. .
  • a urethane polymer having a polycarbonate structure or a polyester structure, a polybutadiene structure, or a hydrogenated polybutadiene structure is preferable, and a urethane polymer having a polycarbonate structure is more preferable.
  • the polycondensate of a diisocyanate compound and a diol compound can illustrate preferably.
  • the diol component constituting the urethane polymer it is preferable to use polycarbonate diol, polyester diol, polybutadiene diol, and hydrogenated polybutadiene diol from the viewpoint of water resistance, and it is more preferable to use polycarbonate diol.
  • the diisocyanate component is composed of hexamethylene diisocyanate, tolylene diisocyanate, isophorone diisocyanate, diphenylmethane diisocyanate, dicyclohexylmethane-4,4′- from the viewpoint of the solubility of the artificial nail composition and the mechanical strength of the artificial nail to be formed.
  • Diisocyanates are preferred, and isophorone diisocyanate, methylene diphenyl diisocyanate, and dicyclohexylmethane-4,4′-diisocyanate are more preferred. These compounds may be used alone or in combination.
  • diol component / diisocyanate component it may be used in combination with other diol component / diisocyanate component. Further, by using a suitable diol component and a suitable diisocyanate component together, both the water resistance and mechanical strength of the artificial nail can be enhanced.
  • any known cellulose such as carboxymethylcellulose, nitrocellulose, triacetylcellulose, and the like can be preferably used. However, it is not limited to these examples.
  • Examples of a method for introducing an amino group into a cellulose polymer include a method for introducing an amino group by a polymer reaction.
  • Examples of the method for introducing an ethylenically unsaturated group into a cellulose polymer include a method for introducing an ethylenically unsaturated group by a polymer reaction.
  • any polyester comprising a known polycarboxylic acid compound for example, succinic acid, adipic acid, phthalic acid, etc.
  • polyesters composed of hydroxycarboxylic acid compounds such as polylactic acid can also be suitably used.
  • a method for introducing an amino group into an ester polymer include polycondensation using a polycarboxylic acid compound, a polyol compound and / or a hydroxycarboxylic acid compound having a tertiary amino group or a group with a protected amino group.
  • a method of introducing an amino group by a polymer reaction examples of a method for introducing an ethylenically unsaturated group into an ester polymer include a method for introducing an ethylenically unsaturated group by a polymer reaction.
  • any polyamide can be suitably used as long as it is a polyamide comprising a known polycarboxylic acid compound and a known polyamine compound (for example, ethylenediamine, phenylenediamine, etc.).
  • polyamino acids which are proteins composed of amino acids, can also be preferably used.
  • the method for introducing an amino group into the amide polymer include a polycarboxylic acid compound having a tertiary amino group or a group in which the amino group is protected, and / or a tertiary amino group that does not contribute to the polycondensation reaction.
  • a method of polycondensation using a polyamine compound having a group in which an amino group is protected and a method of introducing an amino group by a polymer reaction can be mentioned.
  • Examples of the method for introducing an ethylenically unsaturated group into an amide polymer include a method for introducing an ethylenically unsaturated group by a polymer reaction.
  • any vinyl polymer obtained by polymerizing a known vinyl compound for example, vinyl acetate, vinyl chloride, butadiene, etc.
  • a method for introducing an amino group into a vinyl polymer include a method of polymerizing or copolymerizing a vinyl compound having an amino group, and a method of introducing an amino group by a polymer reaction.
  • Examples of the method for introducing an ethylenically unsaturated group into a vinyl polymer include a method for introducing an ethylenically unsaturated group by a polymer reaction.
  • any polyether for example, polyethylene glycol, polypropylene glycol, etc.
  • a method for introducing an amino group into an ether-based polymer include a method of polycondensation using a polyol compound having a tertiary amino group or a group in which the amino group is protected, and a method of introducing an amino group by a polymer reaction. Is mentioned.
  • a method for introducing an ethylenically unsaturated group into an ether polymer include a method for introducing an ethylenically unsaturated group by a polymer reaction.
  • any polystyrene can be suitably used as long as it is made of a known styrene compound (for example, styrene, 4-carboxystyrene, 4-acetoxystyrene, etc.). However, it is not limited to these examples.
  • the method for introducing an amino group into the styrene polymer include a method for polymerizing or copolymerizing a styrene derivative having an amino group, and a method for introducing an amino group by a polymer reaction.
  • Examples of a method for introducing an ethylenically unsaturated group into a styrenic polymer include a method for introducing an ethylenically unsaturated group by a polymer reaction.
  • any polycarbonate can be suitably used as long as it is a polycarbonate composed of a known carbonic acid derivative (for example, phosgene, dimethyl carbonate, dimethyl carbonate, etc.) and a known polyol compound.
  • a method for introducing an amino group into a carbonate-based polymer include a method of polycondensation using a polyol compound having a tertiary amino group or a group in which the amino group is protected, and a method of introducing an amino group by a polymer reaction. Is mentioned.
  • Examples of the method for introducing an ethylenically unsaturated group into the carbonate polymer include a method for introducing an ethylenically unsaturated group by a polymer reaction.
  • any polyurea composed of a known polyisocyanate compound and a known polyamine compound can be suitably used.
  • the method for introducing an amino group into the urea polymer include a polyisocyanate compound having a tertiary amino group or a group in which the amino group is protected, and / or a tertiary amino group that does not contribute to the polycondensation reaction, or Examples thereof include a method of polycondensation using a polyamine compound having a group in which an amino group is protected, and a method of introducing an amino group by a polymer reaction.
  • Examples of a method for introducing an ethylenically unsaturated group into a urea polymer include a method for introducing an ethylenically unsaturated group by a polymer reaction.
  • Examples of the amine polymer include known polyamines.
  • Examples of a method for introducing an ethylenically unsaturated group into an amine polymer include a method for introducing an ethylenically unsaturated group by a polymer reaction.
  • Component a may be a copolymer such as a styrene-acrylic copolymer.
  • Component a is preferably a homopolymer or copolymer of a monofunctional (meth) acrylate compound or a polycondensate of a diisocyanate compound and a diol compound from the viewpoint of gloss.
  • the homopolymer or copolymer of the monofunctional (meth) acrylate compound mentioned as component a is represented by the following formula II from the viewpoint of film properties, handleability (viscosity), and synthesis for introducing an amino group. It is preferable that the polymer has a monomer unit.
  • R 1 and R 2 each independently represents a hydrogen atom or an alkyl group having 1 to 10 carbon atoms, and at least two selected from the group consisting of R 1 , R 2 and L 1 are linked to each other.
  • L 1 represents a divalent linking group
  • R 3 represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms
  • X represents an oxygen atom or an NH group.
  • R 1, R 2 and L 1 in formula II are each R 1, R 2 and L 1 synonymous in the formula (I), the preferred embodiment is also the same.
  • R 3 in Formula II is preferably a hydrogen atom or a methyl group, and more preferably a methyl group, from the viewpoint of synthesis.
  • X in Formula II is preferably an oxygen atom from the viewpoint of water resistance and synthesis of the resulting artificial nail.
  • the component a When the component a has a monomer unit represented by the formula II, it may be used singly or in combination of two or more, or may further have other monomer units.
  • Examples of the monomer that forms the monomer unit represented by the formula II include compounds represented by the following formula II-m.
  • R 1 and R 2 each independently represents a hydrogen atom or an alkyl group having 1 to 10 carbon atoms, and R 1 and R 2 or L 1 and R 2 are linked to each other to form a ring.
  • L 1 represents a divalent linking group
  • R 3 represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms
  • X represents an oxygen atom or an NH group.
  • R 1 ⁇ R 3, L 1 and X in formula II-m are each a R 1 ⁇ R 3, L 1 and X synonymous in above-mentioned formula (II), preferable embodiments thereof are also the same.
  • a polymer having at least a monomer unit derived from a water-insoluble monomer is preferable.
  • non-water-soluble refers to that in which a mixed solution with the same volume of pure water maintains a non-uniform appearance under the conditions of 1 atm and 20 ° C.
  • component a preferably has a monomer unit derived from a compound selected from the group consisting of a styrene compound and a (meth) acrylic acid derivative, in addition to the monomer unit having an amino group, and is derived from a (meth) acrylic acid derivative. It is more preferable to have a monomer unit, and it is still more preferable to have a monomer unit derived from an alkyl (meth) acrylate.
  • preferred monomers that can be copolymerized with a monomer having an amino group include, for example, methyl (meth) acrylate, ethyl (meth) acrylate, Monofunctional (meth) acrylates such as 2-ethylhexyl (meth) acrylate, 2-hydroxyethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, 2-hydroxyethyl (meth) acrylamide, isopropylacrylamide, morpholine Monofunctional (meth) acrylic amides such as acrylamide, vinyl monomers such as N-vinyl pyrrolidone and vinyl acetate, ethylene glycol di (meth) acrylate, triethylene glycol di (meth) acrylate, tetraethy Glycol di (meth) acrylate, propylene glycol di (meth) acrylate,
  • the component a preferably further has a monomer unit represented by the following formula IV in addition to the monomer unit having an amino group, from the viewpoint of water resistance of the artificial nail to be obtained.
  • R 6 represents a hydrogen atom, an alkyl group or a group represented by the following formula V
  • R 7 represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms
  • X ′ represents an oxygen atom or an NH group. Represents.
  • L 4 independently represents an ethylene group or a propylene group, n represents an integer of 1 to 20, R 8 represents a hydrogen atom or an alkyl group, and the wavy line represents the bond with X ′ above. Represents the position.
  • R 6 is preferably an alkyl group or a group represented by the above formula V from the viewpoint of water resistance of the resulting artificial nail, and is an alkyl group having 1 to 20 carbon atoms or a group represented by the above formula V. More preferred is an alkyl group having 3 to 10 carbon atoms, and particularly preferred is a butyl group.
  • R 7 is preferably a hydrogen atom or a methyl group, and more preferably a methyl group, from the viewpoint of synthesis.
  • X ′ is preferably an oxygen atom from the viewpoint of water resistance and synthesis of the resulting artificial nail.
  • L 4 is preferably an ethylene group.
  • n is preferably an integer of 1 to 10 from the viewpoint of the water resistance of the resulting artificial nail.
  • R 8 is preferably an alkyl group having 1 to 10 carbon atoms, and more preferably a methyl group, from the viewpoint of water resistance of the resulting artificial nail.
  • the specific example of the homopolymer or copolymer of a monofunctional (meth) acrylate compound is shown below, it is not limited to this specific example.
  • a homopolymer or copolymer of a monofunctional (meth) acrylate compound a polymer having the following structure is preferable, and a polymer having the following structure and a weight average molecular weight is more preferable.
  • the number on the lower right of the parenthesis of each monomer unit represents a molar ratio.
  • the number on the lower right of the parentheses in the alkyleneoxy chain represents the number of repetitions.
  • the structural unit described with * shows that the main chain terminal of this polymer has the said structure couple
  • the polycondensate of the diisocyanate compound and the diol compound mentioned as component a is represented by the following formula III or formula III-b from the viewpoint of film properties, handleability (viscosity), and synthesis for introducing an amino group.
  • a polymer having a monomer unit is preferable, and a urethane polymer having a monomer unit represented by the following formula III is more preferable.
  • R 4 , R 5 and R b4 each independently represent a hydrogen atom or an alkyl group having 1 to 10 carbon atoms, and are selected from the group consisting of R 4 , R 5 and L 3. At least two of them may be connected to each other to form a ring, R b4 and L b3 may be connected to each other to form a ring, L 2 represents a trivalent linking group, and L 3 Represents an alkylene group having 1 to 20 carbon atoms, and L b3 independently represents an alkylene group having 1 to 20 carbon atoms.
  • R 4 and R 5 are each independently preferably an alkyl group having 1 to 10 carbon atoms from the viewpoint of a balance between solubility in an aqueous acid solution and water resistance, and is a methyl group or an ethyl group. It is particularly preferred.
  • at least two selected from the group consisting of R 4 , R 5 and L 3 may be connected to each other to form a ring.
  • L 2 in Formula III is preferably a trivalent linking group having 2 to 20 carbon atoms, more preferably a trivalent hydrocarbon group having 2 to 20 carbon atoms, and 3 having 2 to 20 carbon atoms.
  • L 3 in Formula III is preferably an alkylene group having 1 to 4 carbon atoms, and particularly preferably a methylene group, from the viewpoint of the coating properties of the polymer.
  • R b4 in formula III-b is preferably an alkyl group having 1 to 10 carbon atoms, and preferably an alkyl group having 2 to 8 carbon atoms, from the viewpoint of the balance between solubility in an aqueous acid solution and water resistance.
  • L b3 is each independently preferably an alkylene group having 2 to 8 carbon atoms, particularly preferably an ethylene group, from the viewpoint of the coating properties of the polymer. Further, from the viewpoint of synthesis, the two L b3 are preferably the same group.
  • R b4 and L b3 may be connected to each other to form a ring.
  • component a When component a has a monomer unit represented by formula III or formula III-b, it may be used singly or in combination of two or more, or may be further contained Preferred examples of the monomer unit include a monomer unit derived from a diisocyanate component described later.
  • Examples of the monomer that forms the monomer unit represented by the formula III include compounds represented by the following formula III-m.
  • Examples of the monomer that forms the monomer unit represented by the formula III-b include compounds represented by the following formula III-bm.
  • R 4 , R 5 and R b4 each independently represents a hydrogen atom or an alkyl group having 1 to 10 carbon atoms, and a group consisting of R 4 , R 5 and L 3. At least two selected from the above may be linked together to form a ring, R b4 and L b3 may be linked together to form a ring, L 2 represents a trivalent linking group, L 3 represents an alkylene group having 1 to 20 carbon atoms, and L b3 independently represents an alkylene group having 1 to 20 carbon atoms.
  • R 4, R 5, L 2 and L 3 in formula III-m are respectively synonymous with R 4, R 5, L 2 and L 3 in the formula III, preferred embodiments are also the same.
  • R b4 and L b3 in formula III-bm is respectively R b4 and L b3 synonymous in formula III-b, preferred embodiments are also the same.
  • a monomer unit having the amino group and a monomer unit other than the monomer unit having the amino group are used as a polycondensate of a diisocyanate compound and a diol compound.
  • a polymer having at least one is preferable.
  • the monomer other than the monomer unit having an amino group a compound having two hydroxyl groups is preferable, and a water-insoluble compound having two hydroxyl groups is more preferable.
  • the polycondensate of a diisocyanate compound and a diol compound preferably has a monomer unit derived from a compound selected from the group consisting of compounds having two hydroxyl groups in addition to the monomer unit having an amino group. More preferably, it has a monomer unit derived from a water-insoluble compound.
  • examples of the monomer copolymerizable with a monomer having an amino group include ethylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, polyethylene glycol, 1,3- Propanediol, 1,2-propanediol, 2-methyl-1,3-propanediol, neopentyl glycol, 2-ethyl-2-methyl-1,3-propanediol, 2,2-diethyl-1,3- Propanediol, 2-methyl-2-propyl-1,3-propanediol, 2-butyl-2-ethyl-1,3-propanediol, 1,4-butanediol, 1,3-butanediol, 1,2 -Butanediol, 2,3-butanediol, 1,5-penta Diol,
  • diisocyanate compound used in the production of a polycondensate of a diisocyanate compound and a diol compound a known diisocyanate compound can be used. Specifically, isophorone diisocyanate, m-phenylene diisocyanate, p-phenylene diisocyanate, 2,6-tolylene diisocyanate, 2,4-tolylene diisocyanate, naphthalene-1,5-diisocyanate, diphenylmethane-4,4′-diisocyanate Diphenylmethane-2,4′-diisocyanate, 2,2-bis (4-isocyanatophenyl) propane, bis (3-methyl-4-isocyanatophenyl) methane, 1,3-bis (1-isocyanato-1- Methylethyl) benzene, 4,4′-diisocyanatobiphenyl, 4,4′-oxybis (phenylisocyanate
  • the specific example of the polycondensate of a diisocyanate compound and a diol compound is shown below, it is not limited to this specific example.
  • a polycondensate of a diisocyanate compound and a diol compound a polymer having the following structure is preferable, and a polymer having the following structure and a weight average molecular weight is more preferable.
  • the number on the lower right of the parenthesis of each monomer unit represents a molar ratio.
  • the number on the lower right of the parentheses in the alkyleneoxy chain represents the number of repetitions.
  • the structural unit described with * shows that the main chain terminal of this polymer has the said structure couple
  • the component a may be a polymer composed only of a monomer unit having an amino group as a monomer unit, but when the component a has a monomer unit having an amino group and another monomer unit, the monomer unit having an amino group
  • the content is preferably from 5 to 75 mol%, more preferably from 20 to 75 mol%, still more preferably from 20 to 60 mol%, based on all monomer units of component a. It is excellent in the removability and water resistance of the obtained artificial nail as it is the said range.
  • the amine value of component a is preferably 0.1 to 10 mmol / g, more preferably 0.25 to 9 mmol / g, and still more preferably 0.5 to 8 mmol / g. It is excellent in the adhesiveness with the nail
  • a method for measuring the amine value for example, a sample is weighed into a beaker, acetic acid is added, dissolved by stirring, the measurement temperature is adjusted to 25 ° C., and a 0.1N perchloric acid acetic acid solution is used as a titration reagent. Then, it can be obtained by titrating with a titration apparatus.
  • the amine value represents the amount of perchloric acid consumed when titrated in terms of moles per gram of sample (solid content).
  • the component a may be contained individually by 1 type, or may use 2 or more types together.
  • the content of component a in the artificial nail composition is not particularly limited, but is preferably 1 to 95% by mass and more preferably 5 to 95% by mass with respect to the total mass of the artificial nail composition. . It is excellent in the removability and adhesiveness of the obtained artificial nail as it is the said range.
  • the content of the solvent in the artificial nail composition is less than 10% by mass, that is, in the case of the above (ii)
  • the content of component a is 10 to 90 with respect to the total mass of the artificial nail composition. More preferably, it is 20% by mass, particularly preferably 20 to 80% by mass, and particularly preferably 30 to 70% by mass.
  • the content of the solvent in the artificial nail composition is 10% by mass or more, that is, in the case of the above (i), the content of the component a is 30 with respect to the total mass of the artificial nail composition. It is more preferably from 80 to 80% by mass, particularly preferably from 40 to 75% by mass.
  • the artificial nail composition may contain a polymer other than the component a for the purpose of improving the film property and gloss.
  • the polymer other than component a is preferably an acrylic polymer or a urethane polymer from the viewpoint of film properties.
  • the content of the polymer other than the component a is preferably less than the content of the component a.
  • the content is more preferably 40% by mass or less, more preferably 30% by mass or less, and still more preferably 20% by mass or less with respect to the total mass of the composition.
  • the artificial nail composition preferably contains a polymerizable compound.
  • the artificial nail composition can be suitably used as a photocurable artificial nail composition.
  • a polymerizable compound and a photopolymerization initiator it can be more suitably used as a photocurable artificial nail composition.
  • the polymerizable compound may be a radical polymerizable compound or a cationic polymerizable compound, but is preferably a radical polymerizable compound.
  • the radical polymerizable compound is a compound having an ethylenically unsaturated bond capable of radical polymerization, and may be any compound as long as it has at least one ethylenically unsaturated bond capable of radical polymerization in the molecule. And those having a chemical form such as an oligomer. Only one kind of radically polymerizable compound may be used, or two or more kinds thereof may be used in combination at an arbitrary ratio in order to improve desired properties.
  • the polymerizable compound is a compound other than component a, preferably a compound having a molecular weight of less than 10,000, more preferably a compound having a molecular weight of less than 5,000, and less than 2,000. Further preferred.
  • Examples of the polymerizable compound having an ethylenically unsaturated bond capable of radical polymerization include unsaturated carboxylic acids such as acrylic acid, methacrylic acid, itaconic acid, crotonic acid, isocrotonic acid, maleic acid, and salts thereof, Examples thereof include radical polymerizable compounds such as anhydrides having a saturated group, acrylonitrile, styrene, and various unsaturated polyesters, unsaturated polyethers, unsaturated polyamides, unsaturated urethane oligomers, and the like.
  • unsaturated carboxylic acids such as acrylic acid, methacrylic acid, itaconic acid, crotonic acid, isocrotonic acid, maleic acid, and salts thereof
  • examples thereof include radical polymerizable compounds such as anhydrides having a saturated group, acrylonitrile, styrene, and various unsaturated polyesters, unsaturated polyethers, unsaturated polyamides, unsaturated ure
  • the polymerizable compound contains an ethylenically unsaturated compound having a hydroxy group or an ethylenically unsaturated compound having a (poly) alkyleneoxy group from the viewpoint of the removability, adhesion and gloss of the resulting artificial nail. It is more preferable to include a (meth) acrylate compound having a hydroxy group or a (meth) acrylate compound having a (poly) alkyleneoxy group, and more preferable to include a (meth) acrylate compound having a hydroxy group. It is particularly preferable to include a monofunctional (meth) acrylate compound having a hydroxy group.
  • Examples of the (meth) acrylate compound having a hydroxy group include 2-hydroxyethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, 3-hydroxypropyl (meth) acrylate, and 2,3-dihydroxypropyl (meth).
  • hydroxyalkyl (meth) acrylate such as 4-hydroxybutyl (meth) acrylate, polyethylene glycol mono (meth) acrylate, polypropylene glycol mono (meth) acrylate, poly (ethylene glycol / propylene glycol) -mono (meth) acrylate, Polyethylene glycol / polypropylene glycol / mono (meth) acrylate, poly (ethylene glycol / tetramethylene glycol) / mono (meth) acrylate, poly ( B propylene glycol tetramethylene glycol) - mono (meth) acrylate, propylene glycol polybutylene glycol - it may be mentioned preferably a mono (meth) acrylate.
  • Examples of the (meth) acrylate compound having a (poly) alkyleneoxy group include methoxypolyethylene glycol- (meth) acrylate, octoxypolyethyleneglycol-polypropyleneglycol- (meth) acrylate, lauroxypolyethyleneglycol- (meth) acrylate, Stearoxy polyethylene glycol- (meth) acrylate, phenoxy polyethylene glycol- (meth) acrylate, phenoxy polyethylene glycol-polypropylene glycol- (meth) acrylate, nonylphenoxy-polyethylene glycol- (meth) acrylate, nonylphenoxy-polypropylene glycol- (meth) ) Acrylate, Nonylphenoxy-Poly (ethylene glycol-propylene glycol)- Meth) acrylate can be a preferably exemplified.
  • (meth) acrylate compound having a hydroxy group and the (meth) acrylate compound having a (poly) alkyleneoxy group can be used as the (meth) acrylate compound having a hydroxy group and the (meth) acrylate compound having a (poly) alkyleneoxy group.
  • Representative examples are Blemmer E, Blemmer PE-90, Blemmer PE-200, Blemmer PE-350, Blemmer P, Blemmer PP-1000, Blemmer PP-500, Blemmer PP-800, Blemmer 50 PEP-300, Blemmer 70 PEP- 350B, Blemmer 55PET-800, Blemmer PPT series, Blemmer 10PPB-500B, Blemmer AE-90, Blemmer AE-200, Blemmer AE-400, Blemmer AP-150, Blemmer AP-400, Blemmer AP-550, Blemmer PME-100 , Blemmer PME-200, Blemmer PME-
  • the number of hydroxy groups in the compound is preferably 1 to 10, more preferably 1 to 5, still more preferably 1 to 3, and particularly preferably 1. preferable.
  • the number of repeating units of the alkyleneoxy group in the compound is preferably 1 to 25, more preferably 1 to 15, and more preferably 1 to 10 Further preferred.
  • the polymerizable compound preferably includes a hydroxyalkyl (meth) acrylate compound, and includes 2-hydroxyethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, and 3-hydroxypropyl (meth) acrylate. More preferably, 2-hydroxyethyl (meth) acrylate is further included.
  • the polymerizable compound preferably includes an ethylenically unsaturated compound having an alkyl group having 3 or more carbon atoms from the viewpoint of water resistance of the obtained artificial nail, and is ethylenic having an alkyl group having 5 or more carbon atoms. It is more preferable to include an unsaturated compound, and it is further preferable to include an ethylenically unsaturated compound having an alkyl group having 8 or more carbon atoms. These alkyl groups may have a branched and / or ring structure.
  • Examples of the ethylenically unsaturated compound having an alkyl group include propyl (meth) acrylate, butyl (meth) acrylate, hexyl (meth) acrylate, cyclohexyl (meth) acrylate, 2-ethylhexyl (meth) acrylate, lauryl methacrylate, Examples thereof include, but are not limited to, isodecyl (meth) acrylate, tridecyl (meth) acrylate, stearyl (meth) acrylate, and isomers thereof.
  • the polymerizable compound preferably includes a (meth) acrylamide compound from the viewpoint of solubility of components other than the polymerizable compound.
  • the (meth) acrylamide compound include N-hydroxyethyl (meth) acrylamide, N-butoxymethyl (meth) acrylamide, Nt-butyl (meth) acrylamide, N, N-dimethyl (meth) acrylamide, N , N-diethyl (meth) acrylamide, N-dodecyl (meth) acrylamide, N-hydroxymethyl (meth) acrylamide, N-isopropyl (meth) acrylamide, N-phenyl (meth) acrylamide, N-isobutoxymethyl (meth) Examples thereof include, but are not limited to, acrylamide and N-methoxymethylacrylamide.
  • the polymerizable compound preferably includes an ethylenically unsaturated compound having a Tg (glass transition temperature) of a homopolymer of 50 ° C. or higher, and a Tg of 80 ° C. or higher. It is more preferable to include an ethylenically unsaturated compound, and it is further preferable to include an ethylenically unsaturated compound having a Tg of 100 ° C. or higher.
  • Examples of the ethylenically unsaturated compound having a Tg of 50 ° C. or higher as the homopolymer include methyl (meth) acrylate, t-butyl (meth) acrylate, benzyl methacrylate, isobornyl (meth) acrylate, adamantyl (meth) acrylate, and the like. However, it is not limited to these.
  • the polymerizable compound preferably includes a polymerizable compound having a urethane bond, more preferably includes a polyfunctional polymerizable compound having a urethane bond, from the viewpoint of the removability and film property of the resulting artificial nail. More preferably, it contains a polyfunctional (meth) acrylate compound having a urethane bond.
  • the polymerizable compound preferably includes a polyfunctional polymerizable compound having a molecular weight (weight average molecular weight) of 1,000 or more, and includes a polyfunctional polymerizable compound having a molecular weight (weight average molecular weight) of 3,000 or more. Is more preferable.
  • a polyfunctional polymerizable compound having a molecular weight of 1,000 or more the crosslink density is controlled to prevent the film from becoming brittle, and the durability of the artificial nail to be formed is improved.
  • Preferred examples of the polyfunctional (meth) acrylate compound having a urethane bond include urethane-based addition polymerizable compounds produced by an addition reaction between an isocyanato group and a hydroxyl group. Specific examples thereof include, for example, Two or more polymerizations in one molecule in which a vinyl monomer containing a hydroxyl group represented by the following formula A is added to an isocyanate compound having two or more isocyanate groups in one molecule described in Japanese Patent No. 48-41708. And vinyl urethane compounds containing a functional vinyl group.
  • the isocyanate compound include hexamethylene diisocyanate, 2,2,4-trimethylhexamethylene diisocyanate, 2,4,4-trimethylhexamethylene diisocyanate, and 2,4-dimethyl diisocyanate.
  • -Trimethylhexamethylene diisocyanate, 2,4,4-trimethylhexamethylene diisocyanate and 2,4-dimethyldiisocyanate are more preferred, and 2,4-dimethyldiisocyanate is more preferred.
  • a polyester diisocyanate, a polyether diisocyanate, or a polycarbonate diisocyanate can be suitably used for the purpose of controlling the molecular weight.
  • These diisocyanate compounds can be obtained by allowing polyether diol, polyester diol, and polycarbonate diol to react with the diisocyanate compounds described above and others, isophorone diisocyanate, and methylene diphenyl diisocyanate.
  • a urethane addition polymerizable compound (more preferably a diol compound and / or a diisocyanate compound) having a polyester structure or a polycarbonate structure can be preferably used.
  • a polymeric compound may be contained individually by 1 type, or may use 2 or more types together.
  • the content of the polymerizable compound in the artificial nail composition is not particularly limited, but is preferably 1 to 95% by mass and more preferably 10 to 90% by mass with respect to the total mass of the artificial nail composition.
  • the content is more preferably 20 to 80% by mass, and particularly preferably 30 to 70% by mass. It is excellent in the adhesiveness and removability of the obtained artificial nail as it is the said range.
  • the artificial nail composition preferably contains a photopolymerization initiator.
  • a photopolymerization initiator By containing a photopolymerization initiator, the artificial nail composition can be suitably used as a photocurable artificial nail composition.
  • the photopolymerization initiator include a radical photopolymerization initiator and a cationic photopolymerization initiator, but it is more preferable to contain a radical photopolymerization initiator.
  • a known photopolymerization initiator can be used as the photopolymerization initiator.
  • the photoinitiator which can be used for this invention may be used individually by 1 type, and may use 2 or more types together.
  • the photopolymerization initiator that can be used in the present invention is a compound that absorbs light and generates a polymerization initiating species. Examples of light include ⁇ rays, ⁇ rays, electron beams, ultraviolet rays, visible rays, and infrared rays, and preferably ultraviolet rays and visible rays.
  • photopolymerization initiator that can be used in the present invention are as follows. However, it is not limited to these examples.
  • Acetophenone compounds for example, 1-hydroxycyclohexyl phenyl ketone, acetophenone, 2,2-dimethoxy-2-phenylacetophenone, 2,2-diethoxyacetophenone, 2-hydroxy-2-methylpropiophenone, 4′-isopropyl-2 -Hydroxy-2-methylpropiophenone, 2-methyl-1- [4- (methylthio) phenyl] -2-morpholino-1-propane, 2-benzyl-2-dimethylamino-1- (4-morpholinophenyl) -Butan-1-one, benzoin, benzoin methyl ether, benzoin ethyl ether, benzoin propyl ether, etc.); Benzophenone compounds (eg, benzophenone, 4,4′-bis (dimethylamino) benzophenone, 3,3
  • the photopolymerization initiator is preferably a photopolymerization initiator selected from the group consisting of an acetophenone compound, a phosphine oxide compound, a metallocene compound, and a lophine dimer compound, and consists of an acetophenone compound and a phosphine oxide compound.
  • a photopolymerization initiator selected from the group is preferably 0.1 to 20% by mass, and preferably 0.5 to 15% by mass with respect to the total mass of the artificial nail composition. Is more preferably 1 to 10% by mass. It is excellent in the adhesiveness and removability of the obtained artificial nail as it is the said range.
  • the artificial nail composition may contain a solvent from the viewpoint of applicability, but from the viewpoint of safety and handleability, the content of the solvent is the artificial nail composition. Is preferably less than 10% by mass, more preferably less than 5% by mass, and particularly preferably the artificial nail composition does not contain a solvent.
  • the solvent any known solvent can be suitably used.
  • alcohol solvents such as ethanol, isopropanol, ethylene glycol monomethyl ether, ethylene glycol monobutyl ether, propylene glycol monomethyl ether, diethylene glycol monoethyl ether, dipropylene glycol monomethyl ether and their acetate solvents, ethyl acetate, butyl acetate, etc.
  • ester solvents such as acetone, methyl ethyl ketone, methyl isobutyl ketone and cyclohexanone
  • ether solvents such as tetrahydrofuran and methyl t-butyl ether.
  • the boiling point of the solvent is preferably 30 to 130 ° C, more preferably 35 to 100 ° C, still more preferably 40 to 90 ° C, and more preferably 50 to 85 ° C. Is particularly preferred. It is excellent in drying property and applicability
  • the solvent may be contained individually by 1 type, or may use 2 or more types together.
  • the solvent preferably includes an alcohol solvent and / or a ketone solvent, and more preferably includes an alcohol solvent and a ketone solvent.
  • the artificial nail composition preferably contains a solvent. From the viewpoints of applicability, removal of the obtained artificial nail and adhesion, the content of the solvent is artificial. It is preferably 1 to 90% by mass, more preferably 5 to 80% by mass, still more preferably 10 to 80% by mass, and more preferably 15 to 50% by mass with respect to the total mass of the nail composition. It is particularly preferred.
  • additive components that can be generally blended in the artificial nail composition can be arbitrarily blended within a range not impairing the effects of the present invention.
  • additive components include antifoaming agents, buffering agents, chelating agents, dispersing agents, dyes, fillers, pigments, preservatives, resin powders (for example, poly (meth) acrylic acid), inorganic powders, and the like. (For example, silica gel, etc.), thickeners, wetting agents and the like.
  • these arbitrary components may be previously blended in the artificial nail composition, a necessary amount of the necessary components may be blended in the artificial nail composition each time during the cosmetic treatment.
  • the artificial nail composition contains a monomer having an amino group as the component b.
  • the monomer having an amino group any compound having an ethylenically unsaturated group and an amino group can be used without particular limitation.
  • the ethylenically unsaturated group is preferably a group represented by CH 2 ⁇ C (R) —.
  • R represents a hydrogen atom or a lower alkyl group (C1-4).
  • R is preferably a hydrogen atom or a methyl group.
  • the ethylenically unsaturated group is preferably a (meth) acryloyl group or a (meth) acrylamide group.
  • the amino group which component b has may be any of a primary amino group, a secondary amino group and a tertiary amino group.
  • the primary amino group is a group represented by —NH 2
  • the secondary amino group is a group represented by —NH—. Note that —CONH 2 at the molecular end is included in the primary amino group.
  • the primary amino group is preferably adjacent to the methylene carbon atom. At least one primary amino group, secondary amino group, and tertiary amino group may be included in the molecule, but two or more may be included.
  • the ethylenically unsaturated group in the molecule preferably has addition polymerizability, and preferably has radical polymerizability.
  • This compound may be a low molecule or an oligomer.
  • the ethylenically unsaturated compound having an amino group include compounds described in JP-A-2009-126833, and examples of the compound having a tertiary amino group include 2-dimethylaminoethyl (meth) Examples include acrylate, 2-dimethylaminomethyl (meth) acrylamide, 3-dimethylaminopropyl (meth) acrylate, 3-dimethylaminopropyl (meth) acrylamide and the like.
  • Component b preferably has a primary amino group and / or a secondary amino group from the viewpoint of adhesion to the nail, and component b having a primary amino group and / or a secondary amino group includes Preferably, it is a compound represented by the formula I and / or a compound represented by the formula II shown below.
  • R 1 represents a hydrogen atom, an alkyl group, a cycloalkyl group, or an aryl group
  • R 2 represents a hydrogen atom or a methyl group
  • p represents an integer of 0 to 50
  • X represents an alkylene group , -COO-, -CONH-, and -C 6 H 4- represent a linking group selected from the group consisting of:
  • Y represents a divalent linking group, and a plurality of Y may be the same or different from each other.
  • X and R 1 may combine to form a ring.
  • R 2 represents a hydrogen atom or a methyl group
  • p represents an integer of 0 to 50
  • X represents an alkylene group, —COO—, —CONH—, and —C 6 H 4 —.
  • Y represents a divalent linking group, and a plurality of Y may be the same or different.
  • R 1 represents a hydrogen atom or an alkyl group, a cycloalkyl group, or an aryl group.
  • the alkyl group that R 1 can adopt preferably has 1 to 6 carbon atoms, and examples thereof include a methyl group, an ethyl group, an isopropyl group, a t-butyl group, and an n-hexyl group.
  • the cycloalkyl group that R 1 can take has preferably 3 to 6 carbon atoms, and more preferably a cyclopentyl group or a cyclohexyl group.
  • the aryl group preferably has 6 to 12 carbon atoms, and more preferably a phenyl group.
  • the ring is preferably a piperidine ring or a pyrrolidine ring.
  • R 1 may have a substituent, if allowed, and the type thereof is not particularly limited, but is preferably a group inert to radical polymerization, more preferably a hydroxyl group.
  • R 1 is preferably a hydrogen atom or an alkyl group having 1 to 6 carbon atoms, more preferably a hydrogen atom or an alkyl group having 1 to 3 carbon atoms, and a hydrogen atom, a methyl group, an ethyl group or hydroxyethyl Particularly preferred is a group.
  • R 2 represents a hydrogen atom or a methyl group.
  • p is a repeat number and represents an integer of 0 to 50, preferably an integer of 0 to 30, more preferably an integer of 0 to 20, and further preferably an integer of 0 to 10.
  • X is a linking group selected from the group consisting of an alkylene group, —COO—, —CONH—, and —C 6 H 4 —.
  • the alkylene group preferably has 1 to 4 carbon atoms, more preferably a methylene group or ethylene group, and particularly preferably a methylene group.
  • X is preferably an alkylene group, —COO— or —CONH—, and particularly preferably —CONH—.
  • Y is a divalent linking group, and when p is 2 or more, a plurality of Y may be the same or different from each other. Y and R 1 may be bonded to form a ring.
  • Y preferably represents an alkylene group, an alkyleneoxy group, an alkyleneamino group, a carbonyl group, or a group obtained by combining these.
  • the alkylene group preferably has 1 to 10 carbon atoms, more preferably an ethylene group or a propylene group.
  • an ethyleneoxy group is preferable.
  • Y is particularly preferably an ethylene group or a propylene group, an ethyleneoxy group, a propyleneoxy group, or a butyleneamide group.
  • R 2 , X, Y, and p are the same as defined in Formula I, and preferred ranges are also the same.
  • Formula I is a monofunctional compound having only one radical polymerizable ethylenically unsaturated group
  • Formula II is a bifunctional compound having two radical polymerizable ethylenically unsaturated groups.
  • the use ratio of the monofunctional compound is high, the removal property of the cured film is excellent.
  • the use ratio of the bifunctional compound is high, the curability is excellent. Therefore, both compounds represented by the formulas I and II are mixed at an appropriate ratio. It is preferable to mix and adjust curability, adhesion, and removability as appropriate. In addition, it is excellent in the adhesiveness and removability of the cured film obtained, so that the amine value of the compound represented by Formula I and Formula II is high.
  • the amine value of the non-volatile component of the artificial nail composition according to the present invention is preferably 0.4 to 8.5 mmol / g, and 1.3 to 8.5 mmol / g. More preferably, it is 1.3 to 6.0 mmol / g. It is excellent in the removability and water resistance of the obtained artificial nail as it is the said range.
  • the “nonvolatile component” means a component other than that when a volatile solvent is included.
  • a sample is weighed into a beaker, acetic acid is added, dissolved by stirring, the measurement temperature is adjusted to 25 ° C., and a 0.1N perchloric acid acetic acid solution is used as a titration reagent. Then, it can be obtained by titrating with a titration apparatus.
  • the amine value represents the amount of perchloric acid consumed when titrated in terms of moles per gram of sample (nonvolatile component).
  • Component b can be obtained as a commercial product, or can be synthesized by a method known to those skilled in the art.
  • component b is shown below, but are not limited to these specific examples.
  • the blending amount of component b in the artificial nail composition is preferably 5 to 80% by mass and more preferably 10 to 60% by mass with respect to the non-volatile component of the composition.
  • the artificial nail composition preferably contains a photopolymerization initiator.
  • a photoinitiator the photoinitiator described in the aspect of said (ii) is illustrated, and a preferable aspect is the same.
  • the artificial nail composition preferably contains a polymer component as a film forming agent.
  • the weight average molecular weight of the polymer component is preferably from 2,000 to 300,000, more preferably from 3,000 to 200,000, still more preferably from 4,000 to 100,000. It is especially preferable that it is 50,000 or more and 50,000 or less. It is excellent in the adhesiveness of the hardened
  • the film-forming agent means a material that forms a self-supporting film alone when it is formed on a base, preferably a polymer component having a weight average molecular weight of 5,000 or more. is there.
  • the type of polymer component is not particularly limited, and is an acrylic polymer, urethane polymer, cellulose polymer, ester polymer, amide polymer, vinyl polymer, ether polymer, styrene polymer, carbonate polymer, urea polymer.
  • Known polymers such as ethylene-based polymers are used. From the viewpoint of film formability and handleability (viscosity), ether polymers, ethylene polymers (especially polyethyleneimine polymers), urethane polymers and acrylic polymers are preferred, urethane polymers and acrylic polymers are particularly preferred, and urethanes A polymer is most preferable.
  • acrylic polymer examples include known acrylic acid derivatives (for example, acrylic esters such as methyl acrylate and ethyl acrylate, acrylic amides such as acrylamide and acryloylmorpholine), and methacrylic acid derivatives (for example, methyl methacrylate, methacrylic acid).
  • Any polymer can be suitably used as long as it is a polymer obtained by polymerizing a methacrylic acid ester such as ethyl or a methacrylic acid amide such as methacrylamide or isopropylamide.
  • an acrylic polymer containing an addition polymerizable curable group (for example, (meth) acryl group or the like) in the side chain is preferably used.
  • an acrylic polymer containing an addition polymerizable curable group for example, (meth) acryl group or the like
  • urethane polymer examples include known polyisocyanate compounds (for example, tolylene diisocyanate, isophorone diisocyanate) and known polyol compounds (for example, alkylene diols such as butanediol and hexanediol, arylenediols such as p-hydroxystyrene, polyethylene)
  • Any polyurethane can be used as long as it is made of a polyether diol such as glycol or polypropylene glycol, a polyester diol such as polyethylene glycol terephthalate, or a polycarbonate diol such as polyethylene glycol carbonate.
  • a polyether diol such as glycol or polypropylene glycol
  • polyester diol such as polyethylene glycol terephthalate
  • polycarbonate diol such as polyethylene glycol carbonate
  • cellulose polymer any known cellulose such as carboxymethylcellulose, nitrocellulose, triacetylcellulose, and the like can be preferably used. However, it is not limited to these examples.
  • any polyester comprising a known polycarboxylic acid compound (for example, succinic acid, adipic acid, phthalic acid, etc.) and a known polyol compound can be suitably used.
  • polyesters composed of hydroxycarboxylic acid compounds such as polylactic acid can also be suitably used. However, it is not limited to these examples.
  • any polyamide can be suitably used as long as it is a polyamide comprising a known polycarboxylic acid compound and a known polyamine compound (for example, ethylenediamine, phenylenediamine, etc.).
  • polyamino acids which are proteins composed of amino acids, can also be preferably used. However, it is not limited to these examples.
  • any vinyl polymer obtained by polymerizing a known vinyl compound for example, vinyl acetate, vinyl chloride, butadiene, etc.
  • a known vinyl compound for example, vinyl acetate, vinyl chloride, butadiene, etc.
  • any polyether for example, polyethylene glycol, polypropylene glycol, etc.
  • a known polyol compound for example, polyethylene glycol, polypropylene glycol, etc.
  • any polystyrene can be suitably used as long as it is made of a known styrene compound (for example, styrene, 4-carboxystyrene, 4-acetoxystyrene, etc.). However, it is not limited to these examples.
  • any polycarbonate can be suitably used as long as it is a polycarbonate composed of a known carbonic acid derivative (for example, phosgene, dimethyl carbonate, dimethyl carbonate, etc.) and a known polyol compound. However, it is not limited to these examples.
  • a known carbonic acid derivative for example, phosgene, dimethyl carbonate, dimethyl carbonate, etc.
  • any polyurea composed of a known polyisocyanate compound and a known polyamine compound can be suitably used. However, it is not limited to these examples.
  • the content of the polymer component is preferably 0 to 80% by mass and more preferably 20 to 60% by mass with respect to the total mass of the nonvolatile components of the artificial nail composition.
  • a polymerizable compound having no amino group may be contained in addition to the component b.
  • the polymerizable compound having no amino group include compounds having no amino group among the polymerizable compounds described as the polymerizable compound in the embodiment in (ii), and the preferred embodiments are also the same.
  • a solvent may be contained in addition to the above components.
  • the solvent include the solvents described in the above embodiment (ii), and preferred embodiments are also the same.
  • blended in the artificial nail composition can be arbitrarily mix
  • additive components include antifoaming agents, buffering agents, chelating agents, dispersing agents, dyes, fillers, pigments, preservatives, resin powders (for example, poly (meth) acrylic acid), inorganic powders, and the like. (For example, silica gel, etc.), thickeners, wetting agents and the like.
  • these arbitrary components may be previously blended in the artificial nail composition, a necessary amount of the necessary components may be blended in the artificial nail composition each time during the cosmetic treatment.
  • the amount of each component in the artificial nail composition is not particularly limited, but the mass ratio of the non-volatile components in the artificial nail composition is component b / photopolymerization.
  • Initiator / polymer component / polymerizable compound having no amino group preferably in the range of 50 to 80 / 0.01 to 20/0 to 80/0 to 50.
  • the total of component b to polymerizable compound having no amino group is 100 parts by mass. It is excellent in applicability
  • the artificial nail is an acrylic polymer, urethane polymer (also referred to as urethane polymer or polyurethane), cellulose polymer, ester polymer, amide polymer, vinyl polymer. And at least one polymer selected from the group consisting of an ether polymer, a styrene polymer, a carbonate polymer, a urea polymer, and an ethylene polymer.
  • ether polymers From the viewpoint of film formability and handleability (viscosity), ether polymers, ethylene polymers (especially polyethyleneimine polymers), urethane polymers and acrylic polymers are preferred, urethane polymers and acrylic polymers are particularly preferred, and adhesion From the viewpoint of properties, urethane polymers are most preferable.
  • acrylic polymer cellulose polymer, ester polymer, amide polymer, vinyl polymer, ether polymer, styrene polymer, carbonate polymer, urea polymer and ethylene polymer, in the embodiment (iii) above, Various polymers described as the polymer component are exemplified, and preferred ranges are also the same.
  • the artificial nail composition may further contain a polymerization initiator and a polymerizable compound, and may be a photocurable artificial nail composition that is cured by exposure, and also contains a solvent and is dried.
  • a so-called artificial nail composition for nail polish that forms an artificial nail may be used.
  • a photocurable artificial nail composition is preferable.
  • the removal liquid of the present invention is suitable for removing an artificial nail containing a urethane polymer (polyurethane), and is suitably used for removing an artificial nail formed with an artificial nail composition containing a urethane polymer.
  • polyurethane examples include known polyisocyanate compounds (for example, tolylene diisocyanate, isophorone diisocyanate, etc.) and known polyol compounds (for example, alkylene diols such as butanediol and hexanediol, arylenediols such as p-hydroxystyrene, polyethylene glycol, Any polyurethane can be used as long as it is made of a polyether diol such as polypropylene glycol, a polyester diol such as polyethylene glycol terephthalate, and a polycarbonate diol such as polyethylene glycol carbonate. However, it is not limited to these examples. Although the specific example used suitably as a polyurethane is shown below, this invention is not limited to these. The number on the lower right of the parenthesis of each monomer unit represents the molar ratio.
  • the polymerization initiator and the polymerizable compound described in the aspect of (ii) above may be used as the polymerization initiator and the polymerizable compound. It is preferably used and the preferred range is also the same.
  • the embodiments (ii) to (iv) are preferable, the embodiment (ii) or (iii) is more preferable, and (ii) More preferably,
  • the method for forming an artificial nail is not particularly limited as long as it is a method for forming an artificial nail using an artificial nail composition, but the artificial nail composition may be applied to a human or animal nail or other It is preferable that the method includes a step of coating the artificial nail to form a coating film, and a step of drying and / or exposing the coating film to form an artificial nail.
  • a dry or exposure forming method can be suitably selected.
  • the artificial nail composition preferably contains at least a polymer, a polymerizable compound, and a photopolymerization initiator, or contains at least a polymer and a solvent.
  • the thickness of the layer formed by the artificial nail composition is not particularly limited, but is preferably 10 to 2,000 ⁇ m, more preferably 20 to 1,500 ⁇ m. It is preferably 20 to 1,000 ⁇ m.
  • the method for forming an artificial nail preferably includes a step (application step) of applying an artificial nail composition on a human or animal nail or other artificial nail to form a coating film.
  • the other artificial nail is not particularly limited as long as it is a base material used for the artificial nail, and examples thereof include a resin base material.
  • limiting in particular as a coating method Although what is necessary is just to perform by a well-known method, The method of apply
  • the thickness of the coating film is not particularly limited, and the coating thickness may be appropriately adjusted in consideration of the desired thickness of the obtained artificial nail.
  • the method for forming an artificial nail preferably includes a step of drying and / or exposing the coating film to form an artificial nail (drying or exposure step).
  • the artificial nail composition to be used preferably contains a solvent.
  • a drying method What is necessary is just to carry out by a well-known method. Specifically, for example, a method of leaving and drying at room temperature (for example, 10 to 30 ° C.), a method of leaving and drying in an air stream, a method of drying by heating, and a method combining these are preferable.
  • the heating method is not particularly limited, and examples thereof include a method of leaving in an atmosphere at a temperature higher than room temperature, a method of leaving in a heated air current, and a method of heating by a heating means such as a heater or an infrared lamp (IR lamp). .
  • the drying time is not particularly limited and may be appropriately adjusted depending on the composition of the artificial nail composition, the drying method, and the coating thickness. From the viewpoint of simplicity and imparting smoothness and gloss by self-leveling, 10 seconds to It is preferably 20 minutes, more preferably 15 seconds to 10 minutes, further preferably 30 seconds to 5 minutes, and particularly preferably 30 seconds to 2 minutes.
  • the artificial nail composition to be used preferably contains a polymerizable compound and a photopolymerization initiator. Moreover, when the artificial nail composition contains a solvent in addition to the polymerizable compound and the photopolymerization initiator, drying is preferably performed before exposure. Examples of light used for exposure include ultraviolet rays and visible rays, and ultraviolet rays are particularly preferable from the viewpoint of curing sensitivity and availability of the apparatus.
  • the exposure means is not particularly limited, and known exposure means can be used. For example, ultraviolet lamps (UV lamps) such as mercury lamps and metal halide lamps, light emitting diodes (LEDs), laser diodes (LDs), etc. Can be mentioned.
  • the exposure time is not particularly limited, but is preferably 2 seconds to 5 minutes, more preferably 5 seconds to 3 minutes, and further preferably 5 seconds to 2 minutes.
  • the exposure may be performed intermittently, continuously, or with pulsed light, and may be performed by any method.
  • the method for forming the artificial nail is a method for cleaning or sculpting the surface of the obtained artificial nail after the drying or exposure step from the viewpoint of removing the uncured component when exposed to gloss and aesthetics.
  • a step of wiping off may be included.
  • the washing or wiping method include a method of wiping with a wiping base material such as a wipe sheet or a sponge wipe containing a solvent such as ethanol, and a method of washing with a solvent such as ethanol or water.
  • the solvent used for cleaning or wiping is preferably a solvent that does not dissolve the obtained artificial nail.
  • the method for forming an artificial nail preferably includes a step of roughening the surface of a human or animal nail or other artificial nail before the coating step when performing exposure.
  • the adhesiveness and durability of the artificial nail (gel nail) obtained by exposing as it is the said aspect.
  • a roughening method of the nail claw surface
  • a method of roughening with a nail file such as a file is preferred.
  • the formation method of the artificial nail may include other known processes.
  • each reagent used for the removal liquid is as follows. Citric acid (manufactured by Tokyo Chemical Industry Co., Ltd.) Trisodium citrate dihydrate (manufactured by Wako Pure Chemical Industries, Ltd.) Methanol (manufactured by Tokyo Chemical Industry Co., Ltd.), hydroxyl value: 31.2 mmol / g Ethanol (manufactured by Kanto Chemical Co., Inc.), hydroxyl value: 21.7 mmol / g Isopropyl alcohol (manufactured by Kanto Chemical Co., Inc.), hydroxyl value: 16.6 mmol / g PVA-105 (manufactured by Kuraray Co., Ltd.), hydroxyl value: 22.7 mmol / g PEG Mw200 (manufactured by Tokyo Chemical Industry Co., Ltd.), hydroxyl value: 10.0 mmol / g PEG Mw300 (manufactured by Tokyo Chemical Industry Co., Ltd.), hydroxyl value
  • J-8 Commercial product, manufactured by Mogabrook, Calgel # CG-00 Clear Gel, polyurethane methacrylate included
  • top gel manufactured by Mogabrook Co., Ltd.
  • a commercially available top gel was applied as a top layer with a brush, and similarly irradiated with an ultraviolet lamp (36 W) for 5 minutes.
  • an ultraviolet lamp 36 W
  • the total film thickness of the color layer and the top layer was about 250 ⁇ m.
  • the surface was wiped off with ethanol.
  • the surface and tip of the resulting artificial nail were scratched with a file (file for nails), then immersed in the removal solution described in Table 13 for 2 minutes, and pressed using a wooden stick while being immersed.
  • the peeling treatment which peels was performed, and the time (removal time; time required for peeling treatment) until peeling was evaluated.
  • the surface roughness of the general nail is 13.9% as a result of measuring ⁇ S using an atomic force microscope (AFM), and an aluminum plywood (thickness is 0.3 ⁇ m) to match the value.
  • JIS 1050, JIS 1100, JIS 3003 and other aluminum alloys The brush process was performed as follows. Using three bundle-planted nylon brushes with a bristle diameter of 0.3 mm and a pumice-water suspension with a median diameter of 25 ⁇ m (specific gravity 1.1 g / cm 3 ), the surface of the aluminum alloy plate sample is grained and washed with water. Washed. This sample was immersed in a 25 mass% sodium hydroxide aqueous solution at 70 ° C.
  • the washed sample was immersed in a 20% nitric acid aqueous solution at 60 ° C. for 20 seconds and washed with water.
  • an aluminum alloy such as JIS1050, JIS1100, and JIS3003 having a thickness of 0.3 ⁇ m was used.
  • Example 5-1 and Comparative example 5-1 Using the artificial nail composition described in Japanese Patent Application Laid-Open No. 2009-126833, a comparison test was performed between the removal liquid of the present invention and the removal liquid described in the prior art.

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  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Emergency Medicine (AREA)
  • Birds (AREA)
  • Epidemiology (AREA)
  • Cosmetics (AREA)

Abstract

La présente invention a pour objet de fournir un liquide d'enlèvement des ongles artificiels qui raccourcit le temps d'enlèvement, de fournir un procédé d'enlèvement des ongles artificiels qui utilise le liquide d'enlèvement des ongles artificiels, et de fournir un kit de décoration des ongles. Selon la présente invention, un liquide d'enlèvement des ongles artificiels est caractérisé en ce qu'il contient un composé acide en tant que composant (A), un composé qui possède un groupe hydroxyle en tant que composant (B), et de l'eau en tant que composant (C). Le pH du liquide d'enlèvement des ongles artificiels varie de préférence entre 1 et 5. Le liquide d'enlèvement des ongles artificiels contient un acide organique en tant que composant (A) et contient, de préférence, un composé qui présente un indice d'hydroxyle égal ou supérieur à 5 mmol/g en tant que composant (B). Selon la présente invention, un ongle artificiel est, de préférence, formé à partir d'une composition d'ongle artificiel qui contient au moins un composé choisi dans le groupe qui comprend un polymère d'uréthane, un polymère qui possède un groupe amino, et un monomère qui possède un groupe amino.
PCT/JP2015/060071 2014-03-31 2015-03-31 Liquide d'enlèvement des ongles artificiels, procédé d'enlèvement des ongles artificiels, et kit de décoration des ongles WO2015152211A1 (fr)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62155206A (ja) * 1985-12-27 1987-07-10 Towa Kagaku Kk 美爪エナメル除去剤
US5342536A (en) * 1992-12-17 1994-08-30 Chesebrough-Pond's Usa Co., Division Of Conopco, Inc. Nail polish remover with gelatin
JP2009126833A (ja) * 2007-11-26 2009-06-11 Shiseido Co Ltd 人工爪組成物
WO2011016531A1 (fr) * 2009-08-05 2011-02-10 Jsr株式会社 Composition durcissable pour vernis à ongles, et procédé de formation et d'élimination de vernis à ongles
US20120252710A1 (en) * 2011-03-29 2012-10-04 Mycone Dental Supply Co., Inc. Method and composition for removing radiation-curable, pigmented, artificial nail gel coatings
JP2013241362A (ja) * 2012-05-21 2013-12-05 Lion Corp 爪被覆剤用リムーバーおよび除去方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62155206A (ja) * 1985-12-27 1987-07-10 Towa Kagaku Kk 美爪エナメル除去剤
US5342536A (en) * 1992-12-17 1994-08-30 Chesebrough-Pond's Usa Co., Division Of Conopco, Inc. Nail polish remover with gelatin
JP2009126833A (ja) * 2007-11-26 2009-06-11 Shiseido Co Ltd 人工爪組成物
WO2011016531A1 (fr) * 2009-08-05 2011-02-10 Jsr株式会社 Composition durcissable pour vernis à ongles, et procédé de formation et d'élimination de vernis à ongles
US20120252710A1 (en) * 2011-03-29 2012-10-04 Mycone Dental Supply Co., Inc. Method and composition for removing radiation-curable, pigmented, artificial nail gel coatings
JP2013241362A (ja) * 2012-05-21 2013-12-05 Lion Corp 爪被覆剤用リムーバーおよび除去方法

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