FR2998786A1 - Kit, useful for making-up/caring for nails, includes composition of alkyl cyanoacrylate and polymer including (alkyl)acrylic polymers/copolymers, and another composition of polymer including nucleophilic functions and volatile solvent - Google Patents

Abstract

Kit comprises two separate compositions (A1) and (B1) in which the composition (A1) comprises 1-10C alkyl cyanoacrylate and at least one polymer (P1) comprising (alkyl)acrylic polymers, (alkyl)acrylic copolymers, and/or their derivatives, and the composition (B1) comprises at least one polymer (P2) comprising nucleophilic functions and at least one volatile solvent. INDEPENDNET CLAIMS are included for: (1) making up and/or caring for nails, comprising (a) applying a layer of at least two of the two compositions (A1) or (B1) of the kit on the surface of a nail to obtain a coated nail, (b) applying at least one layer of the other of the two compositions of the kit under the surface of an article for making up the nails, to obtain an article of make up of coated nail, and positioning the article of make up of coated nail obtained in step (b) on the coated nail obtained in step (a) to contact the layer of composition (A1) and the layer of composition (B1), to obtain a nail coated by an article of make up of nail; and (2) make-up removal of a nail coated by an article of make-up of the nails, comprising removing the article of make up of the nails by hardening of the nail coated by the article of make-up of the nails in acetone.

Description

The present invention relates to a kit based on cyanoacrylate glue for the makeup and / or care of nails, as well as its use for makeup and / or care of nails. BACKGROUND OF THE INVENTION Nail makeup items such as false nails are commonly used by consumers for aesthetic reasons. The installation of false nails on the nails then requires the use of specific glues in order to obtain satisfactory holding of the false nail on the nail. Currently, glues that are found on the market for gluing nail fingernails are traditionally based on ethylcyanoacrylate (or ethyl cyanoacrylate). Typically, ethylcyanoacrylate is used in combination with a polymer such as polymethyl methacrylate, resulting in the formation of a very solid polymerized system as described in US 5,658,415. However, this type of glue has the disadvantage of having a high adhesion, allowing certainly a very good resistance to false nails on the nails, but making them in return difficult to remove when the consumer wants. In addition, the ethylcyanoacrylate has the drawback of being relatively unstable and therefore difficult to convey. There is thus a need for a glue, especially based on alkyl cyanoacrylate, in particular ethyl cyanoacrylate, for the make-up and / or care of the nails making it possible to glue false nails on the nails in such a way that effective and whose physicochemical properties allow easy removal. It is an object of the present invention to provide a makeup and / or nail care kit for adhering nails makeup articles to the nails and simply removing them after the consumer wishes. The present invention also aims to provide a kit comprising alkyl cyanoacrylate for having a false nail adhesive easy to remove. Thus, the present invention relates to a kit for makeup and / or nail care comprising two separate compositions A and B, wherein: composition A comprises a C 1 -C 10 alkyl cyanoacrylate and at least one selected P polymer in the group consisting of acrylic (ALK) polymers, acrylic (ALK) copolymers, their derivatives and their mixtures, and composition B comprises at least one polymer P 'comprising nucleophilic functions, in particular hydroxyl or amine functions, and at least a volatile solvent. In the context of the present description, the term "separate compositions" means distinct compositions, for example placed in different compartments. Thus, the compositions A and B are arranged in the same kit, but can not come into contact in the kit. Compositions A and B are therefore distinct entities. Composition A According to the invention, the kit comprises a composition A comprising a C 1 -C 8 alkyl, preferably C 1 -C 8, preferably C 2 -C 8 alkyl cyanoacrylate, more preferably an ethyl cyanoacrylate, and at least one Polymer P selected from the group consisting of acrylic (ALK) polymers, acrylic (ALK) copolymers, their derivatives and mixtures thereof. In the context of the present description, the term "alkyl cyanoacrylate" is intended to denote a compound of the following formula: ## STR2 ## where R is an alkyl group. According to the invention, R is an alkyl group, linear or branched, comprising from 1 to 10, advantageously from 1 to 8, and preferably from 2 to 6, carbon atoms. More particularly, R is an ethyl group. Thus, according to an advantageous embodiment, composition A comprises ethyl cyanoacrylate. Advantageously, the content of alkyl cyanoacrylate, in particular of ethyl cyanoacrylate, in composition A is from 10% to 90%, preferably from 50% to 90%, by weight relative to the total weight of said composition. . For the purpose of the present invention, the prefix "ALK" denotes a C1-C8 alkyl chain. Advantageously, it denotes a C1-C20 alkyl chain, preferably a methyl group. On the other hand, the term "derivative" (acrylic polymers or copolymers (ALK)) refers to one of their salts, their (thio) esters or their (thio) amides.

As acrylic (ALK) polymer, there may be mentioned poly (ALK) acrylic acids, poly (ALK) acrylamides, and poly (ALK) acrylates. Among the poly (ALK) acrylates, there may be mentioned more particularly polyacrylates and polymethacrylates.

Composition A may comprise an acrylic (ALK) polymer alone, an acrylic (ALK) copolymer alone, a mixture of acrylic (ALK) polymers, a mixture of acrylic (ALK) copolymers or a mixture of acrylic (ALK) polymers and copolymers (ALK) acrylics. Preferably, the polymer P is selected from the group consisting of (meth) acrylate polymers, (meth) acrylate copolymers and mixtures thereof. In the context of the present description, the term "polymer or copolymer (meth) acrylate" is intended to denote a polymer or copolymer obtained by radical polymerization of (meth) acrylate monomers of formula X-O-C (= O) -C ( R ') = CH2 where R' is H or OH, and X is a hydrogen atom or a C1-C20 alkyl chain, preferably C1-C8 alkyl. As the (meth) acrylate polymer, there may be mentioned in particular alkyl poly (meth) acrylates, such as polymethyl methacrylate, ethyl polymethacrylate, butyl polymethacrylate, methyl polyacrylate, polyacrylate and poly (meth) acrylate. ethyl and butyl polyacrylate.

As copolymer (meth) acrylate, there may be mentioned copolymers of methyl methacrylate and polymethyl methacrylate. The polymer P is, for example, polymethyl methacrylate (or PMMA). Advantageously, the content of polymer P in composition A is from 1% to 40%, preferably from 5% to 25%, by weight relative to the total weight of said composition. In the context of the present invention, the composition A may also comprise at least one stabilizer, preferably chosen from the group consisting of hydroquinone, hydroquinone methyl ether, resorcinol, butylated hydroxyanisole, butylated hydroxytoluene and mixtures thereof.

The presence of stabilizer is favorable to a better stability of the composition over time, that is to say to avoid gelation of the composition. It may be a stabilizer alone or a mixture of stabilizers. The stabilizer is, for example, butylated hydroxyanisole. The stabilizer content in the composition A is generally from 0.01% to 0.5%, preferably from 0.05% to 0.2%, by weight relative to the total weight of said composition.

Composition B In the context of the present invention, the kit comprises a composition B comprising at least one polymer P 'comprising nucleophilic functions, in particular hydroxyl or amine functions, and at least one volatile solvent.

In the context of the present description, the term "nucleophile" refers to a chemical species that has a non-binding pair of electrons capable of participating in the formation of a bond. Thus, a nucleophilic species is attracted to positively charged species, as opposed to an electrophilic species that has an electronic vacancy capable of accommodating electrons to form a bond.

Advantageously, the nucleophilic functions carried by the polymer P 'are hydroxyl or amine functions. Preferably, the number-average molecular weight of the polymer P 'is less than or equal to 30,000 g / mol, advantageously less than or equal to 20,000 g / mol, preferably from 400 g / mol to 5,000 g / mol.

According to one variant, the polymer P 'is chosen from the group consisting of cellulose derivatives, formaldehyde resins and their mixtures. As cellulose derivatives, there may be mentioned nitrocellulose and cellulose esters, such as cellulose acetates, cellulose propionates, cellulose butyrates, cellulose acetopropionates and cellulose acetobutyrates. According to another variant, the polymer P 'is chosen from hydrogenated ketone / formaldehyde resins. The polymer P 'is, for example, the hydrogenated ketone / formaldehyde resin sold under the name TEGO VARIPLUS SK by the company Evonik GOLDSCHMID. Preferably, the content of polymer P 'in composition B is from 10% to 80%, preferably from 35% to 65% by weight relative to the total weight of said composition. For the purposes of the present invention, the term "volatile solvent" denotes a solvent capable of evaporating on contact with keratin materials in less than one hour, at ambient temperature and atmospheric pressure. The volatile solvents of the invention are volatile organic solvents which are liquid at ambient temperature and have a non-zero vapor pressure at ambient temperature and atmospheric pressure, in particular from 0.13 Pa to 40,000 Pa (10-3 to 300 mmHg), in particular ranging from 1.3 Pa to 13 000 Pa (0.01 to 100 mmHg), and more particularly ranging from 1.3 Pa to 1300 Pa (0.01 to 10 mmHg).

Composition B may comprise a volatile solvent alone or a mixture of several volatile solvents. Examples of volatile solvents that may be mentioned include acetone, methyl ethyl ketone, methyl isobutyl ketone, diisobutyl ketone, isophorone, cyclohexanone and alkyl acetates, such as methyl acetate and ethyl acetate. propyl acetate, n-propyl acetate, isopropyl acetate, n-butyl acetate, isobutyl acetate, tert-butyl acetate, and acetate of isopentyl. The volatile solvent is generally selected from the group consisting of acetone, acetates, and mixtures thereof.

Advantageously, it is chosen from the group consisting of acetone, methyl acetate, ethyl acetate, propyl acetate, isopropyl acetate and butyl acetate. , isopentyl acetate, methoxypropyl acetate and mixtures thereof. Preferably, the volatile solvent consists of a mixture of two volatile solvents. According to one embodiment, the composition B comprises, as a volatile solvent, a mixture of ethyl acetate and butyl acetate. Advantageously, the content of volatile solvent in the composition B is from 10% to 90%, preferably from 35% to 75% by weight relative to the total weight of said composition. In the context of the present invention, the composition B may further comprise at least one polymerization accelerator. It may be a polymerization accelerator alone or a mixture of polymerization accelerators.

For the purposes of the present invention, the term "polymerization accelerator" is intended to mean a compound which increases the rate of a polymerization reaction. As a polymerization accelerator, there may be mentioned benzoyl peroxide and tertiary aromatic amines, especially N, N-diethyl-p-toluidine. According to one embodiment, at least one of the two compositions A and B further comprises a polymerization accelerator chosen from crown ethers, in particular benzo-18-crown-6. It may be a polymerization accelerator alone or a mixture of polymerization accelerators. Thus, according to this embodiment, either composition A alone comprises a polymerization accelerator as defined above, or composition B alone comprises such a polymerization accelerator, or both compositions A and B each comprise such a polymerization accelerator. polymerization, the two polymerization accelerators may be identical or different. According to another embodiment, neither of the two compositions A and B comprises a polymerization accelerator chosen from crown ethers.

In the context of the invention, each of compositions A and B may further comprise other ingredients commonly used in cosmetic compositions and known to those skilled in the art as being capable of being incorporated into an adhesive composition for article of manufacture. nail makeup. Such ingredients may be selected from pigments and dyes, plasticizers, coalescers, preservatives, oils, waxes, free radical scavengers, spreading agents, wetting agents, dispersing agents, and the like. , anti-foams, preservatives, surfactants, perfumes, neutralizers, stabilizers, antioxidants, thickening agents, the active agents that may be chosen from essential oils, UV / solar filters, moisturizing agents, vitamins, proteins, ceramides, plant extracts, etc., and mixtures thereof. The composition according to the invention may furthermore comprise, as active agents, nail care agents such as hardeners for keratin materials, active agents acting on the growth of the nail, for example methylsulfonyl methane and / or active agents for treating various conditions located at the level of the nail, such as onichomycosis. Of course, those skilled in the art will take care to choose this or these optional additional compounds, and / or their quantity, so that the advantageous properties of the compositions for use according to the invention are not, or substantially not , altered by the addition envisaged. The present invention also relates to a nail makeup and / or care method comprising the following steps: a) application of at least one layer of one of the two compositions A or B of the kit as described above on the surface one nail, to obtain a coated nail, b) applying at least one layer of the other of the two compositions of the kit under the surface of a nail makeup article, to obtain a nail makeup article. coated, and c) positioning said coated nail-makeup article obtained at the end of step b) on said coated nail obtained at the end of step a) so as to contact said layer of composition A and said composition layer B, to obtain a nail covered by a nail makeup article. Typically, the article of nail makeup is a false nail. More specifically, the consumer coating, for example, the surface of his or her nails with at least one layer of composition A as described above, and coating the false nails with at least one layer of composition B as described above, then applying the False nails coated with composition B on its nails coated with composition A. The contacting of compositions A and B leads to the formation of an adhesive layer between the nail and the false nail. The consumer's nails are thus covered with false nails whose hold is satisfactory. It is also possible for it to coat the surface of its nails with at least one layer of composition B and the false nails with at least one layer of composition A. Finally, the present invention relates to a method of removing make-up from a nail covered by a nail makeup article obtainable by a method as described above, comprising removing said nail makeup article by quenching the nail covered by the nail makeup article in a suitable solvent such as acetone. More particularly, the consumer can remove a nail-sticked false nail using the two compositions of the kit of the invention, by dipping the nail covered with the false nail in acetone. Indeed, the solvent will dissolve the adhesive layer that has formed following the contacting of the compositions A and B, thereby removing the false nail easily. The weight percentages given in this application can be likened to the percentage by weight of dry matter of the compounds used. By "understand one" or "include one" it is appropriate to understand "to understand at least one" or "to include at least one", unless the contrary is explicitly specified. The invention will be better understood on reading which will be given solely by way of example. EXAMPLES Example 1: Preparation of Composition A Composition A was prepared according to Table 1. The mixture of compounds was made under nitrogen inerting. Table 1 Compound Type% by Weight Ethylcyanoacrylate - 87.85 Polymethylmethacrylate Polymer 12 Butyl Hydroxyanisole (BHA) Stabilizer 0.15 Example 2: Preparation of Composition B Composition B was prepared according to Table 2. The mixture of the compounds was carried out under nitrogen inerting. Table 2 Compound Type% by weight Resin ketone / hydrogenated formaldehyde Polymer 87.85 (TEGO VARIPLUS SK - EVONIK GOLDSCHMID) Ethyl acetate Solvent 12 Butyl acetate Solvent 0.15 Example 3: Use of a kit according to the invention A kit according to the invention comprising composition A of Example 1 and composition B of Example 2 was prepared and used.

A layer of the composition of Example 1 was coated on the surface of a fingernail and a layer of the composition of Example 2 was coated under the surface of a false nail with the reference "EDGE FASHION NAILS From the brand FING'RSO. The counter nail with composition B was then applied to the coated nail of composition A so as to bring the layer of composition A into contact with the layer of composition B. The two compositions A and B thus reacted with contact one of the other, forming an adhesive layer for good resistance to the false nail. The nail covered with the false nail could then be cleansed by dipping the finger in acetone.

In comparison, the same false-nail glued with a composition of glue for conventional nail-nails "Nail Glue" brand "France Nails®" (containing ethylcyanoacrylate, polymethyl methacrylate and hydroquinone) has not could be taken off as quickly under the same conditions.

Claims (17)

REVENDICATIONS1. Kit for makeup and / or care of the nails comprising two separate compositions A and B, in which: the composition A comprises a C 1 -C 10 alkyl cyanoacrylate and at least one polymer P chosen from the group consisting of polymers ( ALK), acrylic copolymers (ALK), their derivatives and mixtures thereof, and the composition B comprises at least one polymer P 'comprising nucleophilic functions and at least one volatile solvent. 2. Kit according to claim 1, wherein the content of alkyl cyanoacrylate in composition A is from 10% to 90% by weight relative to the total weight of said composition. 3. Kit according to claim 1 or 2, wherein the content of polymer P in composition A is from 1% to 40% by weight relative to the total weight of said composition. 4. Kit according to any one of claims 1 to 3, wherein the alkyl cyanoacrylate is ethyl cyanoacrylate. 5. Kit according to any one of claims 1 to 4, wherein the polymer P is selected from the group consisting of (meth) acrylate polymers, (meth) acrylate copolymers, and mixtures thereof. 6. Kit according to any one of claims 1 to 5, wherein the number-average molecular weight of the polymer P 'is less than or equal to 30,000 g / mol. The kit of any one of claims 1 to 6, wherein the polymer P 'is selected from the group consisting of cellulose derivatives, formaldehyde resins and mixtures thereof. 8. Kit according to any one of claims 1 to 7, wherein the polymer P 'is chosen from hydrogenated ketone / formaldehyde resins. 9. Kit according to any one of claims 1 to 8, wherein the polymer content P 'in the composition B is 10% to 80% by weight relative to the total weight of said composition. 10. Kit according to any one of claims 1 to 9, wherein the volatile solvent is selected from the group consisting of acetone, acetates and mixtures thereof. 11. Kit according to any one of claims 1 to 10, wherein the volatile solvent consists of a mixture of two volatile solvents. 12. Kit according to any one of claims 1 to 11, wherein the content of volatile solvent in the composition B is 10% to 90% by weight relative to the total weight of said composition. 13. Kit according to any one of claims 1 to 12, wherein the composition A further comprises at least one stabilizer. 14. Kit according to any one of claims 1 to 13, wherein the composition B further comprises at least one polymerization accelerator. 15. Kit according to any one of claims 1 to 14, wherein at least one of the two compositions A and B further comprises a polymerization accelerator selected from crown ethers. 16. A method of makeup and / or care of the nails comprising the following steps: a) application of at least one layer of one of two compositions A or B of the kit according to any one of claims 1 to 15 on the surface of a nail, to obtain a coated nail, b) application of at least one layer of the other two compositions of the kit according to any one of claims 1 to 15 below the surface of a nail makeup article , to obtain a coated nail-makeup article, and c) positioning said coated nail-makeup article obtained at the end of step b) on said coated nail obtained at the end of step b) so as to contacting said layers of compositions A and B to obtain a nail covered by a nail makeup article. A method of removing makeup from a nail covered with a nail makeup article obtainable by a method according to claim 16, comprising removing said nail makeup article by quenching the nail covered by the article. nail makeup in acetone.