WO2017082057A1 - 爪または人工爪用光硬化性組成物、これらを含むベースコート剤、これらの硬化物、これらの硬化物の製造方法、およびこれらの硬化物の剥離方法、これらを用いた被覆方法、ならびにこれらの使用方法 - Google Patents
爪または人工爪用光硬化性組成物、これらを含むベースコート剤、これらの硬化物、これらの硬化物の製造方法、およびこれらの硬化物の剥離方法、これらを用いた被覆方法、ならびにこれらの使用方法 Download PDFInfo
- Publication number
- WO2017082057A1 WO2017082057A1 PCT/JP2016/081779 JP2016081779W WO2017082057A1 WO 2017082057 A1 WO2017082057 A1 WO 2017082057A1 JP 2016081779 W JP2016081779 W JP 2016081779W WO 2017082057 A1 WO2017082057 A1 WO 2017082057A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- meth
- nail
- acrylate
- component
- photocurable composition
- Prior art date
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-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
Definitions
- the present invention relates to a photocurable composition for nails or artificial nails, a base coat agent containing these, a cured product thereof, a method for producing these cured products, a method for peeling these cured products, a coating method using these, And how to use them.
- the following are generally performed. First, the top coat and the color coat are removed by sanding with a file (file) or the like. Next, the cotton soaked with acetone is wound around the nail and is left in a state of being wound with aluminum foil. Thereafter, the base coat floats after a lapse of a certain time, so that the floated base coat is lightly shaved.
- Japanese Patent Application Laid-Open No. 2013-183754 discloses that a photocurable composition for nail or artificial nail (UV nail gel) suitable for soak-off can be provided by adding a large amount of filler to UV nail gel. ing.
- the first embodiment of the present invention is a photocurable composition for nail or artificial nail comprising the following components (A) to (C): (A) component: a compound having a (meth) acryloyl group, (B) component: rosin and / or rosin derivative, (C) Component: Photoinitiator.
- the second embodiment of the present invention is the nail or artificial nail according to the first embodiment, wherein the component (A) includes a (meth) acryl oligomer and a (meth) acrylate monomer or a (meth) acrylamide monomer. It is a photocurable composition for use.
- the third embodiment of the present invention is the photocurable composition for nail or artificial nail according to the second embodiment, wherein the (meth) acrylate monomer includes a (meth) acrylate monomer having an acidic group. .
- the fourth embodiment of the present invention is a base coat agent that can be soaked off, including the photocurable composition for nail or artificial nail described in any one of the first to third embodiments.
- the fifth embodiment of the present invention is a photocurable composition for nail or artificial nail described in any one of the first to third embodiments, or curing of the base coat agent described in the fourth embodiment. It is a thing.
- the nail or artificial nail photocurable composition described in any one of the first to third embodiments or the base coat agent described in the fourth embodiment is used as energy. It is a manufacturing method of hardened material which hardens with a line.
- the hardened material described in the fifth embodiment or the hardened material produced by the method described in the sixth embodiment, which is disposed on a substrate is heated using hot water or a solvent. This is a peeling method in which the substrate is peeled off.
- the photocurable composition for nail or artificial nail described in any one of the first to third embodiments or the base coat agent described in the fourth embodiment is used as a human.
- This is a method for coating a human nail or artificial nail, which is applied onto a nail or artificial nail and then cured by irradiating energy rays.
- the ninth embodiment of the present invention is a method of use in which a human nail or artificial nail is coated by the coating method described in the eighth embodiment, and then the cured product that is the coating layer is peeled off using warm water or a solvent. is there.
- (meth) acryl in the specific name of the compound means “acryl” and “methacryl”, “(meth) acryloyl” means “acryloyl” and “methacryloyl”, “(meth) acrylate” “Acrylate” and “methacrylate” shall be represented respectively.
- the first embodiment of the present invention is a photocurable composition for nail or artificial nail comprising the following components (A) to (C): (A) component: a compound having a (meth) acryloyl group, (B) component: rosin or rosin derivative, (C) Component: Photoinitiator.
- the first embodiment of the present invention has surface curability corresponding to UV irradiator and LED irradiation, and the cured product maintains durability while maintaining stable adhesion in daily life, and has soak-off properties.
- the cured product can provide a photocurable composition for nails or artificial nails that is colorless and transparent and has no turbidity.
- the photocurable composition for nails or artificial nails is preferably a photocurable composition for covering nails or artificial nails.
- the component (A) can be used without particular limitation as long as it is a compound having a (meth) acryloyl group.
- the compound having a (meth) acryloyl group may have a (meth) acryloyl group as a form of a (meth) acryloyloxy group.
- the component (A) can also include a compound having one or more epoxy groups and one or more acryloyl groups in one molecule.
- the component (A) include (meth) acrylate compounds that are compounds containing a (meth) acrylate structure in the molecule, and primary, secondary, tertiary, or quaternary (meth) acrylamide in the molecule.
- examples thereof include (meth) acrylamide compounds that are compounds containing a structure.
- the (meth) acrylate compound is preferably a (meth) acrylate monomer which is a (meth) acrylate simple substance or a (meth) acrylate oligomer which is an oligomer containing a (meth) acrylate structure in the molecule.
- the (meth) acrylamide compound is preferably a (meth) acrylamide monomer which is a primary, secondary, tertiary or quaternary (meth) acrylamide simple substance in the molecule.
- the component (A) is preferably liquid in an atmosphere at 25 ° C.
- (A) component has favorable compatibility with the (B) component and (C) component which are mentioned later.
- a component may be used individually by 1 type and may use 2 or more types together.
- the weight average molecular weight of the (meth) acrylate oligomer is preferably 1000 or more and less than 50000. In such a range, durability is further improved while maintaining a low viscosity.
- the value measured by the gel filtration chromatography (Gel Permeation Chromatography: GPC) which uses polystyrene as a standard substance is employ
- the weight average molecular weight of the (meth) acrylate oligomer is more preferably 1000 or more and 30000 or less, further preferably 2000 or more and 10,000 or less, and particularly preferably 3000 or more and 8000 or less.
- the (meth) acrylate oligomer is preferably one having 2 or more and 6 or less (meth) acryloyl groups in one molecule. If it is such a range, hardness and surface curability will improve more. From the same viewpoint, the (meth) acrylate oligomer is more preferably one having 2 to 4 (meth) acryloyl groups in one molecule, and two (meth) acryloyl groups in one molecule. More preferably.
- a (meth) acrylate oligomer having an ester bond in a portion other than the (meth) acrylate structure portion in the molecule also referred to as a (meth) acrylate oligomer having an ester bond in the present specification.
- (Meth) acrylate oligomers having an ether bond, (meth) acrylate oligomers having a urethane bond, and epoxy-modified (meth) acrylate oligomers but are not limited thereto.
- (meth) acrylate oligomers including these include, but are not limited to, those containing a structure in which the main skeleton is composed of bisphenol A, novolak phenol, polybutadiene, polyester, polyether, and the like. It is not a thing.
- the (meth) acrylate oligomer having an ester bond for example, a method in which a polyol and a polyvalent carboxylic acid form an ester bond and (meth) acrylic acid is added to an unreacted hydroxyl group is known. However, it is not limited to this synthesis method.
- the (meth) acrylate oligomer having an ester bond may be a synthetic product or a commercially available product. Specific examples of the commercially available product include Aronix (registered trademark) M-6100 and M-6200 manufactured by Toa Gosei Co., Ltd.
- M-6250, M-6500, M-7100, M-7300K, M-8030, M-8060, M-8100, M-8530, M-8560, M-9050, etc. manufactured by Nippon Synthetic Chemical Industry Co., Ltd.
- Examples thereof include, but are not limited to, UV-3500BA, UV-3520TL, UV-3200B, and UV-3000B.
- a method for synthesizing a (meth) acrylate oligomer having an ether bond for example, acrylic acid is added to a hydroxyl group of a polyether polyol having no aromatic group or a hydroxyl group of a polyether polyol having an aromatic group such as bisphenol.
- a method is known, it is not limited to this synthesis method.
- the (meth) acrylate oligomer having an ether bond a synthetic product or a commercially available product may be used. Specific examples of the commercially available product include UV-6640B, UV-6100B, UV-3700B, etc. manufactured by Nippon Synthetic Chemical Industry. Kyoeisha Chemical Co., Ltd.
- a urethane bond is formed by a polyol and a polyisocyanate, and a hydroxyl group and a (meth) acryloyl group are contained in the molecule with respect to the remaining isocyanate group.
- the synthesis etc. which add a compound or (meth) acrylic acid are known, it is not limited to this synthesis method.
- A As a component, it is preferable to add the (meth) acrylate oligomer which has a urethane bond from a viewpoint of improving durability.
- the (meth) acrylate oligomer having a urethane bond a synthetic product or a commercially available product may be used.
- the commercially available product include AH-600, AT-600, UA-306H manufactured by Kyoeisha Chemical Co., Ltd. Examples thereof include, but are not limited to, UF-8001G.
- the (meth) acrylate monomer is not particularly limited, and known ones can be used.
- the (meth) acrylate monomer preferably includes a monofunctional, bifunctional, or trifunctional (meth) acrylate monomer, and a (meth) acrylamide monomer, and preferably includes a monofunctional (meth) acrylate monomer and a (meth) acrylamide monomer. It is more preferable to contain.
- a plurality of other monomers can be used in combination.
- monofunctional (meth) acrylate monomers include lauryl (meth) acrylate, stearyl (meth) acrylate, ethyl carbitol (meth) acrylate, tetrahydrofurfuryl (meth) acrylate, caprolactone-modified tetrahydrofurfuryl (meth) acrylate , Cyclohexyl (meth) acrylate, dicyclopentanyl (meth) acrylate, isobornyl (meth) acrylate, benzyl (meth) acrylate, phenyl (meth) acrylate, phenoxyethyl (meth) acrylate, phenoxydiethylene glycol (meth) acrylate, phenoxytetra Ethylene glycol (meth) acrylate, nonylphenoxyethyl (meth) acrylate, nonylphenoxytetraethylene glycol (me ) Acrylate, methoxyd
- the monofunctional (meth) acrylate monomer preferably includes a monofunctional (meth) acrylate monomer having a hydroxyl group in the component (A).
- Specific examples of the monofunctional (meth) acrylate monomer having a hydroxyl group include 2-hydroxyethyl (meth) acrylate and 2-hydroxypropyl (meth) acrylate, but are not limited thereto.
- 2-hydroxypropyl (meth) acrylate is preferable, and 2-hydroxypropyl acrylate is more preferable.
- a commercially available product may be used as the monofunctional monomer having a hydroxyl group, and specific examples of the commercially available product include, but are not limited to, Acryester (registered trademark) HO manufactured by Mitsubishi Rayon Co., Ltd. It is not a thing.
- a (meth) acrylate monomer having an acidic group may be used, and among these, a monofunctional (meth) acrylate monomer having an acidic group is used as the monofunctional (meth) acrylate monomer.
- a carboxylic acid having a (meth) acryloyl group in the molecule or phosphoric acid having a (meth) acryloyl group in the molecule is preferably used. It is more preferable to use a carboxylic acid having a (meth) acryloyloxy group or phosphoric acid having a (meth) acryloyloxy group in the molecule.
- the monofunctional (meth) acrylate monomer having an acidic group includes, for example, (meth) acrylic acid, 3- (meth) acryloyloxypropylsuccinic acid, 4- (meth) acrylic acid as a carboxylic acid having a (meth) acryloyl group in the molecule.
- the monofunctional (meth) acrylate monomer having an acidic group includes phosphoric acid having a (meth) acryloyl group in the molecule, such as 2-ethylhexyl acid phosphate, 2-hydroxyethyl methacrylate acid phosphate, dibutyl phosphate and the like. Although it is mentioned, it is not limited to these.
- the monofunctional (meth) acrylate monomer having an acidic group preferably includes a carboxylic acid having a (meth) acryloyl group in the molecule, preferably includes (meth) acrylic acid, and includes methacrylic acid. It is more preferable.
- the (meth) acrylate monomer preferably includes a (meth) acrylate monomer having an acidic group for the purpose of improving durability.
- a (meth) acrylate monomer having an acidic group a synthetic product or a commercially available product may be used.
- bifunctional (meth) acrylate monomer examples include 1,3-butylene glycol di (meth) acrylate, 1,4-butylene glycol di (meth) acrylate, tricyclodecane dimethanol di (meth) acrylate, neopentyl Glycol di (meth) acrylate, 1,6-hexane glycol di (meth) acrylate, ethylene glycol di (meth) acrylate, tetraethylene glycol di (meth) acrylate, polyethylene glycol di (meth) acrylate, propylene glycol di ( (Meth) acrylate, tripropylene glycol di (meth) acrylate, ethylene oxide modified neopentyl glycol di (meth) acrylate, propylene oxide side modified neopentyl glycol di (meth) acrylate Bisphenol A di (meth) acrylate, ethylene oxide modified bisphenol A di (meth) acrylate, epichlorohydrin
- trifunctional (meth) acrylate monomer examples include trimethylolpropane tri (meth) acrylate, trimethylolpropane tri (meth) acrylate, pentaerythritol tri (meth) acrylate, EO-modified trimethylolpropane tri (meth) acrylate, Examples include, but are not limited to, PO-modified trimethylolpropane tri (meth) acrylate, ECH-modified trimethylolpropane tri (meth) acrylate, ECH-modified glycerol tri (meth) acrylate, and tris (acryloyloxyethyl) isocyanurate. It is not a thing.
- the (meth) acrylamide monomer examples include (meth) acrylamide, N-methyl (meth) acrylamide, N-ethyl (meth) acrylamide, N-propyl (meth) acrylamide, Nn-butyl (meth) acrylamide, N-tert-butyl (meth) acrylamide, N-butoxymethyl (meth) acrylamide, N-isopropyl (meth) acrylamide, N-methylol (meth) acrylamide, N, N-dimethyl (meth) acrylamide, (meth) acryloylmorpholine N, N-diethyl (meth) acrylamide, N-methyl-N-ethyl (meth) acrylamide, N-hydroxyethyl (meth) acrylamide, and the like, but are not limited thereto.
- N, N-dimethyl (meth) acrylamide, (meth) acryloylmorpholine, or N, N-diethyl (meth) acrylamide is preferable from the viewpoint of improving transmittance and durability
- N, N— Dimethyl (meth) acrylamide or (meth) acryloylmorpholine is more preferable
- N, N-dimethylacrylamide or acryloylmorpholine is more preferable
- N, N-dimethylacrylamide is particularly preferable.
- a (meth) acrylamide monomer is included as a (meth) acrylate monomer from a viewpoint that durability improves.
- the second embodiment which is a preferred embodiment of the present invention, is the first embodiment, wherein the component (A) includes a (meth) acryl oligomer and a (meth) acrylate monomer or a (meth) acrylamide monomer.
- (A) component contains (meth) acrylate oligomer and (meth) acrylate monomer or (meth) acrylamide monomer
- the content of (meth) acrylate oligomer, (meth) acrylate monomer and (meth) acrylamide monomer is preferably 60:40 to 90:10, more preferably 75:25 to 85:15.
- a third embodiment of the present invention which is a preferred embodiment of the present invention, is the nail or artificial nail according to the second embodiment, wherein the (meth) acrylate monomer includes a (meth) acrylate monomer having an acidic group. It is a photocurable composition.
- the (meth) acrylate monomer having an acidic group those described above can be used, and the (meth) acrylate monomer having a preferable acidic group is the same as described above.
- the component (A) contains a (meth) acrylate monomer or a (meth) acrylamide monomer
- the (meth) acrylate monomer is preferably a monovalent (meth) acrylate monomer having an acidic group or a monovalent (meth) acrylate monomer having a hydroxyl group.
- the component (A) preferably includes a (meth) acrylate oligomer having a urethane bond and a monofunctional (meth) acrylate monomer having an acidic group, and the component (A) has a urethane bond ( More preferably, it includes a (meth) acrylate oligomer and a monofunctional (meth) acrylate monomer having an acidic group, and further includes a (meth) acrylamide monomer or a monofunctional (meth) acrylate monomer having a hydroxyl group.
- the (meth) acrylate oligomer which has a urethane bond contains the (meth) acrylate oligomer which has a urethane bond, the monofunctional (meth) acrylate monomer which has an acidic group, and further contains a (meth) acrylamide monomer. Is particularly preferred.
- the component (B) is a component having a function as a plasticizer, and rosin or a rosin derivative is used.
- rosin or rosin derivative refers to a mixture of several isomers mainly composed of abietic acid.
- Abietic acid is a compound represented by the following formula 1, and is also commonly referred to as rosin acid.
- the softening point (ring and ball method) measured in accordance with JIS K5902: 2006 of the component (B) is preferably 70 to 170 ° C., more preferably 80 to 160 ° C., and further preferably 80 to 140 ° C. from the viewpoint of improving durability. 90 to 135 ° C is more preferable, and 95 to 130 ° C is particularly preferable. Although a clear reason is unknown, by adding (B) component, the photocurable composition for nail
- the oxidation of component (B) measured according to JIS K5902: 2006 is not particularly limited, but is preferably 1 to 300 mgKOH / g, more preferably 2 to 250 mgKOH / g.
- the color tone (Hazen) according to the APHA method of the component (B) is not particularly limited, but is preferably 300 or less.
- Component (B) may be a synthetic product or a commercially available product.
- Commercially available products include Pine Crystal (registered trademark) series KR-85, KR-612, manufactured by Arakawa Chemical Industries, Ltd. Harima Chemical Group, including KR-614, KE-100, KE-311, KE-359, KE-604, KR-120, KR-140, D-6011, KE-615-3, KM-1500, KR-50M Harrier Star Series TF, S, Neotor (registered trademark) series G2, 101N, 125HK, Haritak series 8L1A, ER95, SE10, PH, F85, F105, FK100, FK125, PCJ, etc. It is not limited to. These may be used individually by 1 type and may use 2 or more types together.
- the addition amount of (B) component is 1 mass part or more with respect to 100 mass parts of (A) component.
- the amount of component (B) added is 1 part by mass or more with respect to 100 parts by mass of component (A)
- the soak-off property is further improved.
- the addition amount of the component (B) is more preferably 5 parts by mass or more and further preferably 10 parts by mass or more with respect to 100 parts by mass of the component (A).
- the addition amount of (B) component is 30 mass parts or less with respect to 100 mass parts of (A) component.
- durability maintenance effects such as adhesive force, improve more.
- the addition amount of the component (B) is more preferably 20 parts by mass or less, and further preferably 15 parts by mass or less with respect to 100 parts by mass of the component (A). From this, the preferable addition amount of (B) component is 1 to 30 mass parts with respect to 100 mass parts of (A) component, for example, The more preferable addition amount of (B) component is ( A) It is 5 mass parts or more and 20 mass parts or less with respect to 100 mass parts of components.
- the component (C) is a photoinitiator and is not limited as long as it is a radical photoinitiator that generates radical species by energy rays such as visible light, ultraviolet rays, X-rays, and electron beams.
- component (C) examples include diethoxyacetophenone, 2-hydroxy-2-methyl-1-phenylpropan-1-one, benzyldimethyl ketal, 4- (2-hydroxyethoxy) phenyl- (2-hydroxy- 2-propyl) ketone, 1-hydroxycyclohexyl phenyl ketone, 2-methyl-2-morpholino (4-thiomethylphenyl) propan-1-one, 2-benzyl-2-dimethylamino-1- (4-morpholinophenyl) Acetophenones such as butanone, 2-hydroxy-2-methyl-1- [4- (1-methylvinyl) phenyl] propanone oligomers; benzoin, benzoin methyl ether, benzoin ethyl ether, benzoin isopropyl ether, benzoin isobutyl ether, etc.
- Benzoins Zophenone, methyl o-benzoylbenzoate, 4-phenylbenzophenone, 4-benzoyl-4'-methyl-diphenyl sulfide, 3,3 ', 4,4'-tetra (t-butylperoxycarbonyl) benzophenone, 2,4 , 6-trimethylbenzophenone, 4-benzoyl-N, N-dimethyl-N- [2- (1-oxo-2-propenyloxy) ethyl] benzenemethananium bromide, (4-benzoylbenzyl) trimethylammonium chloride, etc.
- Benzophenones 2-isopropylthioxanthone, 4-isopropylthioxanthone, 2,4-diethylthioxanthone, 2,4-dichlorothioxanthone, 1-chloro-4-propoxythioxanthone, 2- (3-dimethylamino-2-hydroxy) -3 , 4-Dimethyl Thioxanthones such as -9H-thioxanthone-9-one mesochloride, acylphoss such as 2,4,6-trimethylbenzoyl-diphenyl-phosphine oxide and bis (2,4,6-trimethylbenzoyl) -phenylphosphine oxide Examples include, but are not limited to, fin oxides (also referred to as acylphosphine oxide photopolymerization initiators in the present specification). Among these, it is preferable that (C) component contains acetophenones. These may be used individually by 1 type, and can also be used in combination of 2
- the addition amount of (C) component is 0.1 mass part or more with respect to 100 mass parts of (A) component.
- the addition amount of (C) component is 0.1 mass part or more with respect to 100 mass parts of (A) component, the photocurability maintenance effect improves more.
- the addition amount of the component (C) is more preferably 0.14 parts by mass or more with respect to 100 parts by mass of the component (A).
- the addition amount of (C) component is 20 mass parts or less with respect to 100 mass parts of (A) component.
- the addition amount of the component (C) is 20 parts by mass or less with respect to 100 parts by mass of the component (A), the effect of maintaining the storage stability is further suppressed by better suppressing thickening during storage. improves.
- the addition amount of the component (C) is more preferably 10 parts by mass or less, and further preferably 5 parts by mass or less with respect to 100 parts by mass of the component (A).
- the preferable addition amount of (C) component is 0.1 to 20 mass parts with respect to 100 mass parts of (A) component, for example.
- a visible light type photoinitiator and a non-visible light type photoinitiator from the viewpoint that the photocurability is further improved and the coloring is less.
- a visible light type photoinitiator contains as 70 mass% or less with respect to the whole (C) component (lower limit 0 mass%).
- the visible light type photoinitiator is contained in an amount of 60% by mass or less based on the entire component (C) (lower limit 0% by mass). Moreover, it is preferable that a visible light type photoinitiator contains as 50 mass% or more with respect to the whole (C) component. By setting the visible light type photoinitiator within the above range, photocurability is further improved.
- the visible light type photoinitiator is a photoinitiator having the strongest light absorption in the visible light region, and examples thereof include acylphosphine oxide photopolymerization initiators mainly containing phosphorus atoms.
- Acylphosphine oxide-based photopolymerization initiators containing phosphorus atoms specifically include 2,4,6-trimethylbenzoyl-diphenyl-phosphine oxide, bis (2,4,6-trimethylbenzoyl) -phenylphosphine oxide
- 2,4,6-trimethylbenzoyl-diphenyl-phosphine oxide bis (2,4,6-trimethylbenzoyl) -phenylphosphine oxide
- Coupling material In the nail or artificial nail photocurable composition according to one embodiment of the present invention, it is preferable to add a coupling agent as long as the characteristics of the present invention are not impaired. Adhesion can be further improved by adding a coupling agent.
- the coupling agent is not particularly limited, but is preferably a silane coupling agent.
- the silane coupling agent include a silane coupling agent having both an epoxy group, a vinyl group, an acrylic group or a methacryl group and a hydrolyzable silane group, a polyorganosiloxane having a phenyl group and a hydrolyzable silyl group, and an epoxy.
- examples thereof include polyorganosiloxane having a group and a hydrolyzable silyl group, but are not limited thereto.
- the hydrolyzable silyl group is not particularly limited, and examples thereof include alkoxysilyl groups such as a methoxysilyl group and an ethoxysilyl group.
- the silane coupling agent examples include allyltrimethoxysilane, vinyltrimethoxysilane, 3-glycidoxypropyltrimethoxysilane, 3-methacryloxypropyltrimethoxysilane, 3-acryloxypropyltrimethoxysilane, 3 -Chloropropyltrimethoxysilane and the like, but are not limited thereto.
- 3-acryloxypropyltrimethoxysilane is preferable as the silane coupling agent.
- Commercially available products can be used as the silane coupling material, and specific examples of commercially available products include KBM-1003, KBM-403, KBM-503, KBM-5103, etc. manufactured by Shin-Etsu Chemical Co., Ltd. However, it is not limited to these. These may be used individually by 1 type and may use 2 or more types together.
- the content thereof is preferably 0.1 to 10 parts by mass, more preferably 0.5 to 5 parts by mass with respect to 100 parts by mass of the component (A). Even more preferably, it is 1 to 3 parts by mass.
- the nail or artificial nail photocurable composition according to one embodiment of the present invention preferably includes an appropriate addition of a filler such as an inorganic filler or an organic filler as long as the characteristics of the present invention are not impaired.
- a filler such as an inorganic filler or an organic filler as long as the characteristics of the present invention are not impaired.
- examples of the inorganic filler include, but are not limited to, alumina, silica, amorphous silica, and the like.
- examples of the organic filler include, but are not limited to, a styrene filler, a rubber filler, and a core-shell acrylic filler.
- the filler is preferably an inorganic filler, and more preferably amorphous silica.
- a synthetic product or a commercially available product may be used.
- As a specific example of a commercially available product as silica, FUSELEX (registered trademark) E-1 manufactured by Tatsumori Co., Ltd., manufactured by Admafine Co., Ltd.
- AO-802 and the like are not limited thereto.
- Aerosil series 200 untreated
- R972 dimethyldichlorosilane treated
- R976 dimethyldichlorosilane treated
- RY200 dimethylsilicone treated
- RX200 hexamethyldisilazane manufactured by Nippon Aerosil Japan Co., Ltd. Treatment
- R800 octylsilane treatment
- these may be used individually by 1 type and may use 2 or more types together.
- the content thereof is preferably 0.1 to 5 parts by mass, more preferably 0.2 to 2 parts by mass, and still more preferably with respect to 100 parts by mass of the component (A). Is 0.4 to 1 part by mass.
- additives In the present invention, other additives such as colorants such as pigments and dyes, antioxidants, polymerization inhibitors, antifoaming agents, leveling agents, rheology control agents and the like are blended in appropriate amounts within a range not impairing the properties of the present invention. May be.
- colorants such as pigments and dyes
- antioxidants polymerization inhibitors
- antifoaming agents leveling agents
- rheology control agents rheology control agents
- a photocurable composition for nails or artificial nails that is superior in desired properties such as resin strength, adhesive strength, workability, and storage stability. Or a cured product thereof.
- ⁇ Method for producing photocurable composition for nail or artificial nail> As a manufacturing method (adjustment method) of the photocurable composition for nail
- the mixing order of the component (A), the component (B) and the component (C) first, the components (A) and the component (B) are weighed sequentially or simultaneously in a stirring pot regardless of the order, A production method is preferred in which stirring is performed while vacuum degassing, and then the component (C) is weighed and added to the stirring vessel and stirred.
- a fourth embodiment which is a preferred embodiment of the present invention, is a base coat agent capable of soak-off, comprising the photocurable composition for nail or artificial nail according to any one of the first to third embodiments. It is. It is more preferable that the base coat agent capable of soak-off is a nail or a photocurable composition for artificial nails that is any one of the first to third embodiments.
- a fifth embodiment which is a preferred embodiment of the present invention, is a photocurable composition for a nail or artificial nail that is any one of the first to third embodiments, or the fourth embodiment. It is a cured product of a base coat agent.
- the cured product is preferably a base coat.
- the method for producing the photocurable composition for nail or artificial nail according to one aspect of the present invention or the cured product of the base coat agent according to one aspect of the present invention is not particularly limited, and is a known method. Can be used. Among these methods, a method of curing a photocurable composition for a nail or an artificial nail or a base coat agent using an energy ray is preferable. That is, the sixth embodiment, which is a preferred embodiment of the present invention, is a photocurable composition for nails or artificial nails, which is any one of the first to third embodiments, or the fourth embodiment. It is a manufacturing method of hardened
- cured material is not limited to this method.
- the surface of the human nail or artificial nail is sanded with a file (file).
- nail dust, oil, moisture and the like are removed with a solvent exclusively for nail containing ethanol as a main component.
- the photocurable composition for nail or artificial nail according to the present invention, or a base coat agent containing the same is applied.
- a coating film having a thickness of 100 ⁇ m or more and 300 ⁇ m or less in a state before being cured (wet state) with a brush or a brush.
- a primer in advance in the case of application
- a commercially available UV lamp or LED lamp as an irradiation device for curing.
- the irradiation time is preferably from 10 seconds to 120 seconds, more preferably from 15 seconds to 120 seconds, and further preferably from 20 seconds to 70 seconds in consideration of the influence on the finger. It is particularly preferable that it is 20 seconds or longer and 60 seconds or shorter.
- the irradiation time when using a UV lamp, it is preferable to use the irradiation time under the condition of 15 seconds or more and 120 seconds or less.
- the integrated light quantity is preferably 5 to 60 kJ / m 2 . In curing, a plurality of times of energy irradiation may be performed as necessary.
- the soak-off method of the photocurable composition for nail or artificial nail according to one aspect of the present invention or the cured product of the base coat agent according to one aspect of the present invention is not particularly limited, and is a known method. Can be used. Among these methods, a method of soaking off (peeling) the cured product with warm water or a solvent is preferable. That is, the seventh embodiment, which is a preferred embodiment of the present invention, includes a cured product according to the fifth embodiment or a cured product manufactured by the method according to the sixth embodiment, disposed on a substrate. It is a peeling method which peels off using warm water or a solvent.
- warm water represents water having a temperature higher than normal temperature (25 ° C.), preferably higher than normal temperature and not higher than 40 ° C., more preferably not lower than 35 ° C. and not higher than 40 ° C.
- the term “formed on the substrate” may be formed directly on the surface of the substrate, or formed on the outermost surface of one or more other layers formed on the surface of the substrate. Represents a good thing.
- the base is preferably a human nail or an artificial nail, and more preferably a human nail.
- the soak-off method is a human nail or an artificial nail (particularly, Preferably, a cured product according to the fifth embodiment formed on a human nail) or a cured product produced by the method according to the sixth embodiment is stripped using warm water or a solvent. More preferably.
- the soak-off method is manufactured by the cured product according to the fifth embodiment directly formed on the surface of a human nail or artificial nail (particularly preferably a human nail), or the method according to the sixth embodiment. It is more preferable to use a peeling method in which the cured product is peeled off using warm water or a solvent.
- a solvent includes acetone from the viewpoint of soak-off property, but is not particularly limited thereto.
- the peeling method is not limited to this method.
- the top coat and the color coat are removed by sanding with a file (file) or the like.
- the cotton impregnated with acetone is wound around a human nail or an artificial nail (particularly preferably a human nail), and is left standing in a state of being wound with aluminum foil.
- the cured product floats in a certain time, and the floated cured product is lightly shaved.
- the eighth embodiment which is a preferred embodiment of the present invention, is a photocurable composition for nail or artificial nail that is any one of the first to third embodiments, or the fourth embodiment.
- the base coat agent described in 1. is applied onto human nails or artificial nails (particularly preferably human nails) to form a coating film, which is then irradiated with energy rays to cure the coating film. It is a coating method.
- the term "applied on a human nail or artificial nail” means that it is formed on the surface of a human nail or artificial nail alone or even when applied directly to the surface of the human nail or artificial nail. It represents that it may apply
- the nail or artificial nail photocurable composition according to one aspect of the present invention or the method of using the base coat agent according to one aspect of the present invention is any one of the first to third embodiments.
- a coating film is formed by directly applying a photocurable composition for a nail or an artificial nail or the base coat agent described in the fourth embodiment to the surface of a human nail or an artificial nail (particularly preferably a human nail). After that, it is more preferable to use a method for covering human nails or artificial nails by irradiating energy rays to cure the coating film.
- the ninth embodiment which is a further preferred embodiment of the present invention, is a cured product that is a coating layer after a human nail or artificial nail (particularly preferably a human nail) is coated by the method of the eighth embodiment.
- ⁇ (A) component Compound having (meth) acrylic group> ⁇ Urethane-modified acrylate oligomer (bifunctional, weight average molecular weight: 4500) (UF-8001G manufactured by Kyoeisha Chemical Co., Ltd., described as “UF8001G” in Table 1 and Table 2 below) ⁇ N, N-dimethylacrylamide (DMAA (registered trademark) manufactured by KJ Chemicals Co., Ltd.) ⁇ Acryloylmorpholine (ACMO (registered trademark) manufactured by KJ Chemicals Co., Ltd.) 2-Hydroxyethyl acrylate (Acryester (registered trademark) HO, manufactured by Mitsubishi Rayon Co., Ltd., described as “HO” in Table 1 and Table 2 below) -Methacrylic acid (methacrylic acid manufactured by Mitsubishi Rayon Co., Ltd.).
- ⁇ (B) component rosin or rosin derivative> Rosin ester (solid at 25 ° C.) (softening point: 95 ° C.) (Pine Crystal (registered trademark) KE-311 manufactured by Arakawa Chemical Industries, Ltd., described as “KE-311” in Table 1 and Table 2 below) Rosin ester (solid at 25 ° C.) (softening point: 100 ° C.) (Pine Crystal (registered trademark) KE-359 manufactured by Arakawa Chemical Industries, Ltd., described as “KE-359” in Table 1 and Table 2 below) Acid-modified rosin (solid at 25 ° C.) (softening point: 130 ° C.) (Pine Crystal (registered trademark) KE-604, manufactured by Arakawa Chemical Industries, Ltd., described as “KE-604” in Tables 1 and 2 below) .
- ⁇ (C) component photoinitiator> 2,4,6-trimethylbenzoyl-diphenyl-phosphine oxide (visible type photoinitiator) (LUCIRIN (registered trademark) manufactured by TPO BASF, shown as “TPO” in Table 1 and Table 2 below) 1-Hydroxycyclohexyl phenyl ketone (invisible light type photoinitiator) (manufactured by Suncure 84 Chemmark, described as “84” in Table 1 and Table 2 below).
- Viscosity measurement 0.5 ml of the composition was collected and discharged into a measuring cup. And the viscosity of the composition was measured with an EHD viscometer (manufactured by Toki Sangyo Co., Ltd.) under the following conditions. The result was defined as “viscosity (Pa ⁇ s)”.
- the viscosity is preferably 30 Pa ⁇ s or less, and more preferably 25 Pa ⁇ s or less, from the viewpoint of flowability. From the viewpoint of flowability, the viscosity is preferably 5 Pa ⁇ s or more.
- the cured state at that time was judged according to the following evaluation criteria, and was designated as “surface curability (UV lamp)”.
- the composition was cured by irradiation with a LED lamp for nail (rated voltage: 240 V 50-60 Hz, power consumption: 30 W, wavelength: 400 to 410 nm) for 10 seconds.
- the cured state at that time was determined visually according to the following evaluation criteria, and was designated as “surface curability (LED lamp)”. It is preferable that the surface curability does not depend on the type of the lamp and the surface is hardened, and “surface curability (UV lamp)” and “surface curability (LED lamp)” are both “ ⁇ ”.
- a spacer made of SUS304 having a thickness of 1 mm was placed on both ends of an alkali-free glass plate having a length of 50 mm, a width of 25 mm, and a thickness of 0.7 mm, and 1 g of the composition was applied between the spacers.
- a test piece was prepared by placing another non-alkali glass plate so as not to contain bubbles so as to sandwich the composition. At this time, since the protruding part of the composition flowed out, the protruding part was wiped off.
- the prepared test piece was irradiated twice for 60 seconds with a UV lamp for nail (rated voltage: AC100V 50-60 Hz, power consumption: 36 W, wavelength: 350 to 400 nm) to cure the composition.
- a test piece containing the cured composition was measured with an ultraviolet-visible spectrophotometer UV-2450 manufactured by Shimadzu Corporation. The measurement was performed twice and the average value was calculated.
- the measurement range and conditions were a measurement wavelength region: 300 to 800 nm, a scan speed: high speed, a sampling pitch: 1.0, and a slit width: 5.0 nm. Baseline measurement was performed with an alkali-free glass plate used for the test piece.
- transmittance (%) at wavelengths of 450 nm, 420 nm, and 400 nm was measured. Considering the appearance, the transmittance at each wavelength is preferably 95% or more, 90% or more, and 30% or more (upper limit 100%).
- the composition is poured into a mold having a width of 30 mm, a length of 90 mm, and a thickness of 0.5 mm, and cured by irradiation with an integrated light amount of 30 kJ / m 2 by a belt conveyor type irradiator using a high-pressure mercury lamp, and then the composition is cured
- the object was peeled off from the mold and further irradiated with an integrated light amount of 30 kJ / m 2 .
- the cured product was left for 2 hours. And 6 sheets of hardened
- the pressure surface of the D-type durometer hardness meter
- the pressure surface and the cured product are brought into close contact with each other without being accompanied by an impact with a force of 10N. It was. And the maximum value was read at the time of measurement, and the maximum value was defined as “hardness before immersion (no unit)”.
- the cured product whose hardness before immersion was measured was immersed in acetone for 10 minutes, and the hardness was measured again in the same manner as the hardness measurement before immersion, and the result was “hardness after immersion (no unit)”.
- a value calculated from “(hardness before immersion ⁇ hardness after immersion) / (hardness before immersion) ⁇ 100” was defined as “soak-off property (%)”.
- the “soak-off property” is preferably 70% or more and 100% or less.
- the composition was applied as a base coat agent so as to have a thickness of 300 ⁇ m in a wet state. Application was performed with a brush. Thereafter, the composition was cured by irradiating with a LED lamp for nail (rated voltage: 240 V 50-60 Hz, power consumption: 30 W, wavelength: 400 to 410 nm) for 10 seconds to obtain a base coat. Subsequently, using the same method, a color coat and a top coat were sequentially cured on the surface of the base coat under the same conditions.
- a LED lamp for nail rated voltage: 240 V 50-60 Hz, power consumption: 30 W, wavelength: 400 to 410 nm
- the color coat used was Super Color EX (color: pastel peach) manufactured by PREGEL, and the top coat used VL-00 manufactured by VETRO.
- durability (10 books) was defined as the number of fingernails (10 fingers) of one human hand that did not peel after 3 weeks of treatment.
- peeling includes peeling of the entire surface and peeling of only the end portion. Considering practicality, “durability” is preferably 5 or more.
- rosin or a rosin derivative was added as the component (B), and good results were obtained in all of the surface curability, transmittance, turbidity, soak-off property, viscosity, and durability. .
- Comparative Example 1 an alkylphenol resin was added instead of the component (B), and maleic anhydride-modified polybutadiene was added in place of the component (B) in Comparative Example 2, but the composition according to Comparative Example 1 was 450 nm.
- the transmittance is low at 420 nm and the composition according to Comparative Example 2 has low transmittance and high turbidity. Therefore, Comparative Examples 1 and 2 are inferior to the Examples in terms of appearance.
- Comparative Examples 3 to 6 a liquid plasticizer is added at 25 ° C. in place of the component (B) for the purpose of improving the soak-off property, but the composition according to Comparative Example 3 has a turbidity.
- the composition according to Comparative Examples 4 to 6 is extremely high, and the surface curability is low.
- Comparative Example 7 does not contain a component corresponding to Component (B), the composition according to Comparative Example 7 has low soak-off properties.
- the nail or artificial nail photocurable composition according to the present invention can be used as a base coat agent capable of forming a base coat capable of stably overcoating a top coat or a nail color in accordance with the treatment in the nail field.
- the cured product can be quickly soaked off.
- the photocurable composition for nail or artificial nail according to the present invention is a photocurable composition suitable for forming a base coat of nail or artificial nail that is transparent and colorless and has no turbidity, and is widely used in the nail field. Can do.
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Abstract
Description
(A)成分:(メタ)アクリロイル基を有する化合物、
(B)成分:ロジンおよび/またはロジン誘導体、
(C)成分:光開始剤。
本発明の第一の実施形態は、下記の(A)~(C)成分を含む爪または人工爪用光硬化性組成物である;
(A)成分:(メタ)アクリロイル基を有する化合物、
(B)成分:ロジンまたはロジン誘導体、
(C)成分:光開始剤。
(A)成分は、(メタ)アクリロイル基を有する化合物であれば、特に制限されずに使用することができる。(メタ)アクリロイル基を有する化合物は、(メタ)アクリロイル基を(メタ)アクリロイルオキシ基の形態として有していてもよい。また、(A)成分には、1分子中にエポキシ基を1以上とアクリロイル基を1以上とを有する化合物も含まれうる。
(B)成分は、可塑剤としての機能を有する成分であり、ロジンまたはロジン誘導体を用いる。ここで、ロジンまたはロジン誘導体とは、アビエチン酸を主な化合物とする数種の異性体混合物を指す。なお、アビエチン酸とは、下記式1で表される化合物であり、慣用的にはロジン酸とも称される。(B)成分としては、ロジンを原料として多量体化した化合物、ロジンの側鎖が化学修飾された誘導体およびロジンが水素化された化合物も含まれうる。(B)成分のJIS K5902:2006に準じて測定した軟化点(環球法)は、耐久性向上の観点から、70~170℃が好ましく、80~160℃がより好ましく、80~140℃がさらに好ましく、90~135℃がよりさらに好ましく、95~130℃が特に好ましい。明確な理由は不明であるが、(B)成分を添加することで、無色透明であり、かつソークオフ性が向上した爪または人工爪用光硬化性組成物を得ることができる。また、(B)成分の、JIS K5902:2006に準じて測定した酸化は、特に制限されないが、1~300mgKOH/gであることが好ましく、2~250mgKOH/gであることがより好ましい。そして、(B)成分の、APHA法に準ずる色調(ハーゼン)は、特に制限されないが、300以下であることが好ましい。
(C)成分は、光開始剤であり、可視光線、紫外線、X線、電子線等のエネルギー線によりラジカル種を発生する、ラジカル系光開始剤であれば限定はない。
本発明の一形態に係る爪または人工爪用光硬化性組成物は、本発明の特性を損なわない範囲において、カップリング剤を添加することが好ましい。カップリング剤を添加することで、密着性をより向上させることができる。
本発明の一形態に係る爪または人工爪用光硬化性組成物は、本発明の特性を損なわない範囲において、無機充填剤や有機充填剤等の充填剤を適宜添加することが好ましい。充填剤を添加することで、粘性・チクソ性に加えて、硬化性、強靱性についてもより良好な範囲へと調整することができる。
本発明には、本発明の特性を損なわない範囲において顔料、染料などの着色剤、酸化防止剤、重合禁止剤、消泡剤、レベリング剤、レオロジーコントロール剤等の他の添加剤を適量配合してもよい。これらをはじめとする他の添加剤を目的に応じて添加することにより、樹脂強度、接着強さ、作業性、保存安定性等の所望の特性により優れた爪もしくは人工爪用光硬化性組成物、またはその硬化物を得ることができる。
本発明の一形態に係る爪もしくは人工爪用光硬化性組成物の製造方法(調整方法)としては、(A)成分、(B)成分、および(C)成分、ならびに任意に用いられうる成分(カップリング剤、充填剤および他の添加剤等)を混合することができれば、特に制限されず、公知の方法を用いることができる。これらの中でも、(A)成分、(B)成分および(C)成分の混合順序として、まず、(A)成分および(B)成分を、順序は問わず逐次または同時に撹拌釜に秤量した後、真空脱泡しながら撹拌を行い、その後(C)成分を秤量して、攪拌釜に添加して撹拌を行う製造方法が好ましい。
本発明の好ましい実施形態である第四の実施形態は、第一から第三の実施形態のいずれか1つである爪または人工爪用光硬化性組成物を含む、ソークオフが可能であるベースコート剤である。ソークオフが可能であるベースコート剤が、第一から第三の実施形態のいずれか1つである爪または人工爪用光硬化性組成物であることがより好ましい。
本発明の好ましい実施形態である第五の実施形態は、第一から第三の実施形態のいずれか1つである爪もしくは人工爪用光硬化性組成物、または第四の実施形態に記載のベースコート剤の硬化物である。ここで、硬化物は、ベースコートであることが好ましい。
本発明の一形態に係る爪または人工爪用光硬化性組成物、または本発明の一形態に係るベースコート剤の硬化物(例えば、ベースコート等)のソークオフ方法は、特に制限されず、公知の方法を用いることができる。これらの方法の中でも、硬化物を温水または溶剤を用いてソークオフ(剥離)する方法であることが好ましい。すなわち、本発明の好ましい実施形態である第七の実施形態は、基体上に配置された、第五の実施形態に係る硬化物、または第六の実施形態に係る方法で製造された硬化物を、温水または溶剤を用いて剥離する、剥離方法である。ここで、温水とは常温(25℃)よりも高温の水を表し、常温よりも高温でかつ40℃以下であることが好ましく、35℃以上40℃以下であることがより好ましい。この範囲が好ましい理由は、常温よりも高温とすることでソークオフ性が良好となり、また指への影響を考慮すると40℃以下が好ましいからである。なお、本明細書において、基体上に形成とは、基体の表面に直接形成されていても、基体の表面側に形成された、単独または複数の他の層の最表面に形成されていてもよいことを表す。ここで、本発明の一形態においては、基体は、人間の爪または人工爪であることが好ましく、人間の爪であることがより好ましいことから、ソークオフ方法は、人間の爪または人工爪(特に好ましくは人間の爪)上に形成された第五の実施形態に係る硬化物、または第六の実施形態に係る方法で製造された硬化物を、温水または溶剤を用いて剥離する、剥離方法であることがより好ましい。そして、ソークオフ方法は、人間の爪または人工爪(特に好ましくは人間の爪)の表面に直接形成された第五の実施形態に係る硬化物、または第六の実施形態に係る方法で製造された硬化物を、温水または溶剤を用いて剥離する、剥離方法であることがさらに好ましい。
ここで、本発明の好ましい実施形態である第八の実施形態は、第一から第三の実施形態のいずれか1つである爪もしくは人工爪用光硬化性組成物、または第四の実施形態に記載のベースコート剤を人間の爪または人工爪(特に好ましくは人間の爪)上に塗布して塗膜を形成後、エネルギー線を照射して塗膜を硬化する、人間の爪または人工爪の被覆方法である。なお、本明細書において、人間の爪または人工爪上に塗布とは、人間の爪または人工爪の表面に直接に塗布しても、人間の爪または人工爪の表面に形成された、単独または複数の他の層の最表面に塗布してもよいことを表す。そして、本発明の一形態に係る爪もしくは人工爪用光硬化性組成物、または本発明の一形態に係るベースコート剤の使用方法としては、第一から第三の実施形態のいずれか1つである爪もしくは人工爪用光硬化性組成物、または第四の実施形態に記載のベースコート剤を人間の爪または人工爪(特に好ましくは人間の爪)の表面に直接に塗布して塗膜を形成後、エネルギー線を照射して塗膜を硬化する、人間の爪または人工爪の被覆方法であることがより好ましい。また、本発明のさらに好ましい実施形態である第九の実施形態は、第八の実施形態の方法で人間の爪または人工爪(特に好ましくは人間の爪)を被覆後、被覆層である硬化物を温水または溶剤を用いて剥離する、使用方法である。これらの方法において、温水の条件、塗膜の形成条件およびエネルギー線の照射条件としては、前述した硬化物および硬化物の製造方法と同様の条件を用いることができる。ただし、本発明の一形態に係る爪または人工爪用光硬化性組成物、または本発明の一形態に係るベースコート剤の使用方法は、これらの方法に限定されず、またこれらの硬化物の使用方法もこれらの方法に限定されるものではない。
[実施例1~7、比較例1~7]
爪または人工爪用光硬化性組成物(以下、単に組成物とも称する)を調製するために、下記の各成分を準備した。
・ウレタン変性アクリレートオリゴマー(2官能、重量平均分子量:4500)(UF-8001G 共栄社化学株式会社製、下記表1および下記表2では「UF8001G」と表記)
・N,N-ジメチルアクリルアミド(DMAA(登録商標) KJケミカルズ株式会社製)
・アクリロイルモルホリン(ACMO(登録商標) KJケミカルズ株式会社製)
・2-ヒドロキシエチルアクリレート(アクリエステル(登録商標)HO 三菱レイヨン株式会社製、下記表1および下記表2では「HO」と表記)
・メタクリル酸(メタクリル酸 三菱レイヨン株式会社製)。
・ロジンエステル(25℃で固形)(軟化点:95℃)(パインクリスタル(登録商標)KE-311 荒川化学工業株式会社製、下記表1および下記表2では「KE-311」と表記)
・ロジンエステル(25℃で固形)(軟化点:100℃)(パインクリスタル(登録商標)KE-359 荒川化学工業株式会社製、下記表1および下記表2では「KE-359」と表記)
・酸変性ロジン(25℃で固形)(軟化点:130℃)(パインクリスタル(登録商標)KE-604 荒川化学工業株式会社製、下記表1および下記表2では「KE-604」と表記)。
・アルキルフェノール樹脂(25℃で固形)(タマノル(登録商標)200N 荒川化学工業株式会社製、下記表1および下記表2では「200N」と表記)
・無水マレイン酸変性ポリブタジエン(25℃で固形)(POLYVEST(登録商標)MA75 エボニック社製、下記表1および下記表2では「MA75」と表記)
・ポリカーボネートポリオール(25℃で液状)(Kuraray(登録商標)C-2050 株式会社クラレ製、下記表1および下記表2では「C-2050」と表記)
・ポリオキシプロピレングリセリルエーテル(25℃で液状)(アデカポリエーテルG-4000 株式会社ADEKA製、下記表1および下記表2では「G-4000」と表記)
・エチレンジアミンエチレンオキサイド変性体(25℃で液状)(アデカポリエーテルBM-34 株式会社ADEKA製、下記表1および下記表2では「BM-34」と表記)
・ジプロピレングリコールジベンゾエート(25℃で液状)(アデカサイザー(登録商標)PN-6120 株式会社ADEKA製、下記表1および下記表2では「PN-6120」と表記)。
・2,4,6-トリメチルベンゾイル-ジフェニル-フォスフィンオキサイド(可視光型光開始剤)(LUCIRIN(登録商標) TPO BASF社製、下記表1および下記表2では「TPO」と表記)
・1-ヒドロキシシクロヘキシルフェニルケトン(非可視光型光開始剤)(Suncure84 Chemark社製、下記表1および下記表2では「84」と表記)。
・3-アクリロキシプロピルトリメトキシシラン(KBM-5103 信越化学工業株式会社製)。
・無処理のヒュームドシリカ(BET比表面積200m2/g)(アエロジル(登録商標)200 日本アエロジル株式会社製、下記表1および下記表2では「200」と表記)。
0.5mlの組成物を採取して、測定用カップに吐出した。そして、以下の条件で、EHD型粘度計(東機産業株式会社製)にて組成物の粘度測定を行った。その結果を「粘度(Pa・s)」とした。施術時の取り扱いを考慮すると、流れ性などの観点から、粘度は30Pa・s以下が好ましく、25Pa・s以下であることがより好ましい。また、流れ性の観点から、粘度は5Pa・s以上であることが好ましい。
コーンローター:3°×R14
回転速度:10rpm
測定時間:3分
測定温度:25℃(恒温槽により温度制御する)
[表面硬化性確認]
厚さ2.0mm×幅25mm×長さ100mmのアクリル板の上に、ウェットの状態で厚さが300μmとなるよう、組成物を刷毛で塗布した。次いで、ネイル用UVランプ(定格電圧:100~110V 50-60Hz消費電力:36W、波長:350~400nm)で60秒照射して、組成物を硬化した。その際の硬化状態を下記の評価基準に従い判断して、「表面硬化性(UVランプ)」とした。また、同様にネイル用LEDランプ(定格電圧:240V 50-60Hz、消費電力:30W、波長:400~410nm)で10秒照射して、組成物を硬化した。その際の硬化状態を下記の評価基準に従い目視にて判断して、「表面硬化性(LEDランプ)」とした。表面硬化性は、ランプの種類に依存せずに表面硬化し、「表面硬化性(UVランプ)」および「表面硬化性(LEDランプ)」が共に「○」であることが好ましい。
○:表面に成分の滲みが生じない
×:表面に成分の滲みが生じる。
長さ50mm×幅25mm×厚さ0.7mmの無アルカリガラス板の両端に、厚さ1mmのSUS304製のスペーサを置き、スペーサの間に組成物を1g塗布した。次いで、泡を含まない様にして、もう一枚の無アルカリガラス板を、組成物を挟み込む様に置くことでテストピースを作製した。このとき、組成物のはみ出た部分が流れ出てくるため、はみ出た部分を拭き取った。そして、作製したテストピースに対してネイル用UVランプ(定格電圧:AC100V 50-60Hz消費電力:36W、波長:350~400nm)で60秒照射を2回行い、組成物を硬化した。なお、テストピースの作製はn=1とした。続いて、株式会社島津製作所製の紫外可視分光光度計UV-2450にて硬化後の組成物を含むテストピースの測定を行った。測定は2回行い、その平均値を算出した。測定範囲および条件は、測定波長領域:300~800nm、スキャンスピード:高速、サンプリングピッチ:1.0、スリット幅:5.0nmとした。ベースライン測定は、テストピースに用いられている無アルカリガラス板により測定した。このようにして、波長が450nm、420nm、および400nmの「透過率(%)」を測定した。外観を考慮すると、各波長における透過率は、それぞれ95%以上、90%以上、および30%以上であることが好ましい(上限100%)。
長さ50mm×幅25mm×厚さ0.7mmの無アルカリガラス板の両隅に、厚さ1mmのSUS304製のスペーサを置き、ガラス板上に組成物を1g塗布した。次いで、もう一方のガラス板を、組成物に気泡が入らないように静かに置いて、テストピースを作製した。このとき、組成物のはみ出た部分は流れ出てくるため、はみ出た部分を拭き取った。そして、作製したテストピースをネイル用UVランプ(定格電圧:AC100V 50-60Hz消費電力:36W、波長:350~400nm)に設置して、60秒で2回照射を行い、組成物を硬化した。なお、テストピースの作製はn=1とした。続いて、日本電色工業株式会社製のヘーズメーターNDH2000にて硬化後の組成物を含むテストピースの測定を行い、その結果を「濁り度(%)」とした。濁り度は3回測定を行い、その平均値とした。外観の観点から、「濁り度」は1%未満であることが好ましい(下限0%)。
幅30mm×長さ90mm×厚さ0.5mmの型に組成物を流し込み、高圧水銀灯を用いたベルトコンベアー型照射器により積算光量30kJ/m2で照射して硬化させた後、組成物の硬化物を型から剥がして、さらに積算光量30kJ/m2を照射した。次いで、硬化後、硬化物を2時間放置した。そして、放置後の硬化物を6枚重ねて硬度を測定した。ここで、まず、D型デュロメータ(硬度計)の加圧面をシート状硬化物に対して平行に保ちながら、衝撃を伴うことなく速やかに10Nの力で押しつけ、加圧面と硬化物とを密着させた。そして、測定時に最大値を読み取り、最大値を「浸漬前の硬度(単位無し)」とした。なお、測定の詳細はJIS K 6253‐3:2012に準拠した。続いて、浸漬前の硬度を測定した硬化物を10分間アセトンに浸漬し、浸漬前の硬度測定と同様にして再度硬度を測定し、「浸漬後の硬度(単位無し)」とした。「(浸漬前の硬度-浸漬後の硬度)/(浸漬前の硬度)×100」から計算した値を「ソークオフ性(%)」とした。溶剤に浸漬後に短時間で剥離し易い状態にするとの観点から、「ソークオフ性」は70%以上100%以下であることが好ましい。
爪にサンディングを実施した後、爪専用溶剤(エタノール主成分)で埃や油分を取り除いた。次いで、ベースコート剤として組成物を、ウェットの状態で厚さが300μmとなるよう塗布した。塗布は刷毛にて行った。その後、ネイル用LEDランプ(定格電圧:240V 50-60Hz、消費電力:30W、波長:400~410nm)にて、10秒照射して組成物を硬化させ、ベースコートとした。続いて、同様の方法を用いて、ベースコートの表面にカラーコートおよびトップコートを、同様の条件で順に硬化させることで形成した。ここで、カラーコートはPREGEL社製のスーパーカラーEX(色:パステルピーチ)を、トップコートはVETRO社製のVL-00をそれぞれ使用した。評価としては、一人の人間の手の指の爪(10本)に対して、施術して3週間後に剥離していない数を「耐久性(本/10本)」とした。ここで剥離とは、全面が剥がれることも、端部のみ剥がれることも含むものとした。実用性を考慮すると「耐久性」は5以上であることが好ましい。
Claims (9)
- 下記の(A)~(C)成分を含む爪または人工爪用光硬化性組成物。
(A)成分:(メタ)アクリロイル基を有する化合物
(B)成分:ロジンまたはロジン誘導体
(C)成分:光開始剤 - 前記(A)成分は、(メタ)アクリレートオリゴマーと、(メタ)アクリレートモノマーまたは(メタ)アクリルアミドモノマーとを含む、請求項1に記載の爪または人工爪用光硬化性組成物。
- 前記(メタ)アクリレートモノマーは、酸性基を有する(メタ)アクリレートモノマーを含む、請求項2に記載の爪または人工爪用光硬化性組成物。
- 請求項1~3のいずれか1項に記載の爪または人工爪用光硬化性組成物を含む、ソークオフが可能であるベースコート剤。
- 請求項1~3のいずれか1項に記載の爪もしくは人工爪用光硬化性組成物、または請求項4に記載のベースコート剤の硬化物。
- 請求項1~3のいずれか1項に記載の爪もしくは人工爪用光硬化性組成物、または請求項4に記載のベースコート剤をエネルギー線で硬化する、硬化物の製造方法。
- 基体上に配置された、請求項5に記載の硬化物または請求項6に記載の方法で製造された硬化物を、温水または溶剤を用いて前記基体から剥離する、剥離方法。
- 請求項1~3のいずれか1項に記載の爪もしくは人工爪用光硬化性組成物、または請求項4に記載のベースコート剤を人間の爪または人工爪上に塗布して塗膜を形成後、エネルギー線を照射して前記塗膜を硬化する、人間の爪または人工爪の被覆方法。
- 請求項8に記載の被覆方法で人間の爪または人工爪を被覆後、被覆層である硬化物を温水または溶剤を用いて剥離する、使用方法。
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CN201680064606.9A CN108348445A (zh) | 2015-11-09 | 2016-10-26 | 指甲或人工指甲用光固化性组合物、包含其的底涂剂、它们的固化物、它们的固化物的制造方法及它们的固化物的剥离方法、使用了它们的涂覆方法、以及它们的使用方法 |
JP2017550054A JP6916444B2 (ja) | 2015-11-09 | 2016-10-26 | 爪または人工爪用光硬化性組成物、これらを含むベースコート剤、これらの硬化物、これらの硬化物の製造方法、およびこれらの硬化物の剥離方法、これらを用いた被覆方法、ならびにこれらの使用方法 |
US15/774,411 US20180325788A1 (en) | 2015-11-09 | 2016-10-26 | Photocurable composition to be used on fingernails or artificial nails, base coat agent containing same, cured article thereof, method for producing cured article thereof, method for detaching cured article thereof, method for coating by using same, and method for using same |
US16/823,670 US20200214956A1 (en) | 2015-11-09 | 2020-03-19 | Photocurable composition to be used on fingernails or artificial nails, base coat agent containing same, cured article thereof, method for producing cured article thereof, method for detaching cured article thereof, method for coating by using same, and method for using same |
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US15/774,411 A-371-Of-International US20180325788A1 (en) | 2015-11-09 | 2016-10-26 | Photocurable composition to be used on fingernails or artificial nails, base coat agent containing same, cured article thereof, method for producing cured article thereof, method for detaching cured article thereof, method for coating by using same, and method for using same |
US16/823,670 Division US20200214956A1 (en) | 2015-11-09 | 2020-03-19 | Photocurable composition to be used on fingernails or artificial nails, base coat agent containing same, cured article thereof, method for producing cured article thereof, method for detaching cured article thereof, method for coating by using same, and method for using same |
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Cited By (3)
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JP2018027944A (ja) * | 2016-08-12 | 2018-02-22 | 株式会社サクラクレパス | 粘着付与剤含有光硬化性人工爪組成物 |
JP2020093983A (ja) * | 2018-12-10 | 2020-06-18 | 株式会社サクラクレパス | 美爪料組成物 |
WO2023085159A1 (ja) * | 2021-11-12 | 2023-05-19 | 株式会社スリーボンド | 爪または人工爪用光硬化性組成物 |
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FR3099034B1 (fr) * | 2019-07-26 | 2021-07-30 | Oreal | Procédé de maquillage et/ou de soin des ongles |
CN114144163A (zh) * | 2019-07-31 | 2022-03-04 | 阿科玛法国公司 | 基于光固化性组合物的指甲涂层 |
CN110951002B (zh) * | 2019-12-11 | 2022-04-01 | 威海金合思化工有限公司 | 一种高流动性增韧剂及其在工程塑料加工中的应用 |
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- 2016-10-26 US US15/774,411 patent/US20180325788A1/en not_active Abandoned
- 2016-10-26 WO PCT/JP2016/081779 patent/WO2017082057A1/ja active Application Filing
- 2016-10-26 JP JP2017550054A patent/JP6916444B2/ja active Active
- 2016-10-26 CN CN201680064606.9A patent/CN108348445A/zh active Pending
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US20180325788A1 (en) | 2018-11-15 |
CN108348445A (zh) | 2018-07-31 |
JPWO2017082057A1 (ja) | 2018-08-23 |
US20200214956A1 (en) | 2020-07-09 |
JP6916444B2 (ja) | 2021-08-11 |
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