FR2998795A1 - ADHESIVE COMPOSITION BASED ON VOLATIL HYDROCARBON SOLVENT FOR NAIL MAKE-UP - Google Patents

Abstract

The present invention relates to an adhesive composition for nail makeup article comprising: - at least one polymer selected from the group consisting of block copolymers comprising at least one polystyrene block and at least one poly (ethylene / butylene) block or a polyisoprene block and at least one tackifying resin having a number-average molecular weight of less than or equal to 10,000 g / mol, selected from the group consisting of aliphatic hydrocarbon resins, at least one plasticizer, at least one apolar volatile solvent, and at least one polar volatile solvent, wherein the total content of tackifying resin (s) and the total content of polymer (s) as previously defined are such that the mass ratio between said tackifying resin (s) and said polymer (s) is between 0.5 and 3.

Description

The present invention relates to an adhesive composition based on volatile hydrocarbon solvent for the make-up and / or care of the nails, as well as its use for the make-up and / or care of the nails. nails. 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, the glues that are found on the market for gluing nail nails are traditionally based on ethylcyanoacrylate. 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, ethylcyanoacrylate has the disadvantage of being relatively unstable and therefore difficult to convey. There is thus a need for a glue for makeup and / or care of the nails for gluing false nails on the nails effectively and whose physico-chemical properties allow easy removal. It is an object of the present invention to provide an adhesive composition for adhering nails makeup articles to the nails and simply removing them after the consumer wishes. Thus, the present invention relates to an adhesive composition for nail makeup article comprising: at least one polymer selected from the group consisting of block copolymers comprising at least one polystyrene block and at least one poly (ethylene / butylene) block; a polyisoprene block, and - at least one tackifying resin with a number average molecular weight less than or equal to 10 000 g / mol selected from the group consisting of aliphatic hydrocarbon resins, at least one plasticizer, at least one volatile solvent apolar, and - at least one polar volatile solvent, wherein the total content of tackifying resin (s) and the total content of polymer (s) as previously defined are such that the mass ratio between said resin (s) (s) tackifier (s) and said (these) polymer (s) is between 0.5 and 3.

Preferably, the mass ratio between the tackifying resin and the polymer is between 1 and 2. This ratio is favorable for obtaining an adhesive having both satisfactory adhesion and high cohesion. The adhesive composition, when applied to a substrate, forms an adhesive layer having a certain tackiness defined by its viscoelastic properties. The viscoelastic properties of a material are conventionally defined by two characteristic values which are the following: the elastic modulus which represents the elastic behavior of the material for a given frequency and which is classically denoted G ', and the viscous modulus which represents the viscous behavior of the material for a given frequency and which is classically denoted G. "These quantities are in particular defined in the" Handbook of Pressure Sensitive Adhesive Technology ", 3rd edition, D. Satas, chapter 9, pp. 155-157. Preferably, the adhesive materials usable according to the present invention have viscoelastic properties which are measured at a reference temperature of 35 ° C. and in a certain frequency range. of polymer in a volatile solvent (such as water, a short ester, a short alcohol, acetone, etc.), o n measures the viscoelastic properties of this material under conditions in which it has a volatile solvent content of less than or equal to 30%, and in particular a volatile solvent content of less than or equal to 20%. In particular, the elastic modulus of the material is measured at three different frequencies: at a low frequency, ie at 2.10-2 Hz; at an intermediate frequency, ie at 0.2 Hz; At high frequency, ie at 2 Hz; and the viscous modulus at the frequency of 0.2 Hz. These measurements make it possible to evaluate the evolution of the tackiness of the adhesive material over time. These viscoelastic properties are measured during dynamic tests under low amplitude sinusoidal stresses (small deformations) carried out at 35 ° C. over a frequency range ranging from 2.10-2 to 20 Hz on a "Haake RS5OR" type rheometer under a torsion / shear stress, for example in cone-plane geometry (for example with a cone angle of 1 °). Advantageously, said adhesive material meets the following conditions: G '(2 Hz, 35 ° C) k 103 Pa, and - G' (35 ° C) 108 Pa, in particular G '(35 ° C) 107 Pa, - G '(2.10-2 Hz, 35 ° C) 3.105 Pa, in which: - G' (2 Hz, 35 ° C) is the elastic modulus of shear of said adhesive material, measured at the frequency of 2 Hz and at temperature of 35 ° C, - G '(35 ° C) is the elastic modulus of shear of said adhesive material, measured at a temperature of 35 ° C, for any frequency between 2.10-2 and 2 Hz, - G' (2.10 -2 Hz, 35 ° C) is the elastic modulus of shear of said adhesive material, measured at a frequency of 2.10-2 Hz and at a temperature of 35 ° C.

In a particular form of the invention, the adhesive material also satisfies the following condition: - G "/ G '(0.2 Hz, 35 ° C) k 0.35 in which: - G" (0.2 Hz , 35 ° C) is the viscous shear modulus of said adhesive material, measured at a frequency of 0.2 Hz and at a temperature of 35 ° C, - G '(0.2 Hz, 35 ° C) is the elastic modulus shearing said adhesive material, measured at a frequency of 0.2 Hz and at a temperature of 35 ° C. In a particular form of the invention, there is: - G '(2 Hz, 35 ° C) 5.103 Pa, and in particular G' (2 Hz, 35 ° C) 104 Pa.

In another particular form of the invention, there is: - G '(2.10-2 Hz, 35 ° C) 5.104 Pa. In particular, the adhesive materials according to the invention fulfill the following four conditions: - G' (2 Hz, 35 ° C) 104 Pa, and - G '(35 ° C) 108 Pa, in particular G' (35 ° C) 107 Pa, - G '(2.10-2 Hz, 35 ° C) 5.104 Pa, and - G "/ G '(0.2 Hz, 35 ° C) k 0.35.35 Block Copolymer According to the invention, the adhesive composition comprises at least one polymer selected from the group consisting of block copolymers comprising at least one block polystyrene and at least one poly (ethylene / butylene) block or a polyisoprene block.

It may be a single block copolymer or a mixture of block copolymers. For the purposes of the present invention, the term "copolymer" means a polymer derived from at least two types of monomers. In the context of the present invention, the term "block copolymer" (or "block copolymer") denotes a copolymer consisting of blocks of different compositions, connected to each other in linear sequences. These copolymers may also be referred to as "block copolymers". Thus, these block copolymers or block copolymers are polymers comprising at least 2 distinct blocks or sequences.

In the context of the present application, block copolymers also include diblock, triblock, multiblock, radial or star copolymers. In particular, the block copolymers consist of at least two blocks, preferably two or three blocks. These copolymers are therefore preferably chosen from diblock copolymers or triblock copolymers.

They can for example be represented as follows: (block A) (block B) for the diblock copolymers and (block A) (block B) (block A) or (block B) (block A) (block B) for the copolymers triblock. According to the invention, the multiblock copolymers designate copolymers comprising more than three blocks.

The block copolymers according to the invention may also be chosen from star block copolymers or radial block copolymers. These copolymers have a single point of branching from which emanate several blocks. In particular, such a star copolymer having n blocks linked to the branch point is called a n-block star copolymer (or radial copolymer).

The copolymers may have a linear structure or a non-linear structure such as, for example, a copolymer with branched, radial, star-shaped structure. The block copolymers according to the invention may be random or alternating. As indicated above, the polymer according to the invention is chosen from the group consisting of block copolymers comprising at least one polystyrene block and at least one poly (ethylene / butylene) block or a polyisoprene block.

The polystyrene block, which has a certain rigidity, provides cohesion to the adhesive composition. Examples of such block copolymers are styrene-ethylene / butylene copolymers, styrene-isoprene copolymers, styrene-ethylene / butylene-styrene copolymers, and styrene-isoprene-styrene copolymers, such as those marketed by the Company. company KRATON. Advantageously, the polymer is a mixture of block copolymers comprising at least one diblock copolymer and at least one triblock copolymer. According to one variant, the polymer is a mixture of styrene-ethylene / butylene-styrene linear triblock copolymers and styrene-ethylene / butylene diblock copolymers, in particular available from KRATON under the reference KRATON® G1657M (SEBS / SEB). According to another variant, the polymer is a mixture of styrene-isoprene-styrene linear triblock copolymers and styrene-isoprene diblock copolymers, in particular available from KRATON under the reference KRATON® D1161 (SIS). Preferably, the polymer content is from 1% to 50%, advantageously from 5% to 30%, preferably from 10% to 20%, by weight relative to the total weight of the composition.

The block copolymers according to the invention are apolar and thus have good compatibility with the tackifying resins according to the invention, described below, which contributes to the tackiness of the adhesive composition of the invention. Within the meaning of the present invention, a compound is termed "apolar" when the positive and negative charges lying within this compound are distributed symmetrically. Tackifying Resin The adhesive composition according to the invention comprises at least one tackifying resin as defined above.

In the context of the present description, the term "tackifying resin" means a thermoplastic resin of low molecular weight used in the composition of glues. The tackifying resins according to the invention have a number average molecular weight of less than or equal to 10,000 g / mol.

Advantageously, this number-average molecular weight ranges from 250 g / mol to 10,000 g / mol, preferably from 250 g / mol to 5,000 g / mol, more preferably from 250 g / mol to 2,000 g / mol, or even from 250 g / mol to 1000 g / mol. The number average molecular weights (Mn) are determined by liquid gel permeation chromatography (THF solvent, calibration curve established with linear polystyrene standards, refractometric detector). The tackifying resins according to the invention are chosen from aliphatic hydrocarbon resins. As aliphatic hydrocarbon resin, mention may especially be made of: the hydrogenated indene / methylstyrene / styrene copolymers sold under the name "Regalite" by the company Eastman Chemical, in particular REGALITE R1090, REGALITE R1100, REGALITE S1100, and REGALITE S5100, or under the name ARKON P-90, ARKON P-100, and ARKON P-115, by Arakawa; aliphatic pentanediene resins such as those resulting from the polymerization mainly of 1,3-pentanediene monomers (trans or cis piperylene) and of a minority monomer chosen from isoprene, butene, 2-methyl-2-butene, pentene, 1,4-pentanediene and mixtures thereof. These resins may have a molecular weight ranging from 1000 to 2500 g / mol. Such 1,3-pentanediene resins are sold, for example, under the references PICCOTAC 95 by the company Eastman Chemical, ESCOREZ 1102, ESCOREZ 1304, ESCOREZ 1310LC, ESCOREZ 1315 by the company Exxon Chemicals, VVINGTACK 95 by the company Cray Valley; diene resins of dimers of cyclopentanediene, such as those resulting from the polymerization of dicyclopentanediene, methyldicyclopentanediene, other dimers of pentanediene, and mixtures thereof. These resins generally have a molecular weight ranging from 500 to 800 g / mol, such as for example those sold under the reference ESCOREZ 5380, ESCOREZ 5300, ESCORE 5400, ESCORE 5415, ESCOREZ 5490, by the company Exxon Mobil Chem., And the SUKOREZ SU-90, SUKOREZ SU-100, SUKOREZ SU-110, SUKOREZ SU-100S, SUKOREZ SU-200, SUKOREZ SU-210, SUKOREZ SU-490, SUKOREZ SU-400, by Kolon; the hydrogenated resins resulting from the polymerization of pentanediene, such as those sold under the name EASTOTAC H-100E, EASTOTAC H-115E, EASTOTAC C-100L, EASTOTAC C-115L, EASTOTAC H-100L, EASTOTAC H-1 15L, EASTOTAC C- 100R, EASTOTAC C-15R, EASTOTAC H-100R, EASTOTAC H-15R, EASTOTAC C-100W, EASTOTAC C-115W, EASTOTAC H-100W, EASTOTAC H-115W, by Eastman Chemical Co.; - and their mixtures. The tackifying resin is, for example, the hydrogenated indene / methylstyrene / styrene copolymer sold under the name REGALITE R1090 by the company Eastman Chemical, or the aliphatic resin of 1,3-pentanediene sold under the name PICCOTAC 1095 by the company Eastman Chemical. Preferably, the tackifying resin content is from 5% to 50%, preferably from 10% to 30%, by weight relative to the total weight of the composition. Plasticizer According to the invention, the adhesive composition comprises at least one plasticizer. For the purposes of the present invention, the term "plasticizer" is intended to denote a compound, in the liquid state more or less viscous, which, added to a formulation of a given material, makes it more tacky, more adherent, more flexible, more resistant and / or easier to handle. As plasticizer, mention may be made especially of conventional plasticizers such as glycols and their derivatives, such as diethylene glycol ethyl ether, diethylene glycol methyl ether, diethylene glycol butyl ether or else diethylene glycol hexyl ether, ethylene glycol ethyl ether, ethylene glycol methyl ether, ethylene glycol butyl ether, ethylene glycol hexyl ether, glycol esters, propylene glycol derivatives and in particular propylene glycol phenyl ether, propylene glycol diacetate, dipropylene glycol butyl ether, tripropylene glycol butyl ether, propylene glycol methyl ether, dipropylene glycol ethyl ether, tripropylene glycol methyl ether and diethylene glycol methyl ether, propylene glycol butyl ether, especially carboxylic acid esters, such as citrates, especially triethyl citrate, tributyl citrate, triethyl acetylcitrate, acetylcitrate tributyl ether, triethyl-2-hexyl acetyl citrate; phthalates, especially dimethoxyethyl phthalate; phosphates, especially tricresyl phosphate, tributyl phosphate, triphenyl phosphate, tributoxyethyl phosphate; tartrates, especially dibutyl tartrate; adipates; carbonates; sebacates; benzyl benzoate, butyl acetylricinoleate, glyceryl acetylricinoleate, butyl glycolate, camphor, glycerol triacetate, N-ethyl-o, p-toluenesulfonamide, oxyethylenated derivatives such as oxyethylenated oils , in particular vegetable oils, such as castor oil, and more generally non-volatile oils, in particular nonvolatile silicone oils, non-volatile hydrocarbon oils, and mixtures thereof. Advantageously, the plasticizer is chosen from nonvolatile hydrocarbon oils, especially from liquid paraffins, polyisobutenes, hydrogenated or non-hydrogenated. By "non-volatile oil" is meant an oil, or a solvent, remaining on the nails at ambient temperature and atmospheric pressure for at least several hours and having in particular a vapor pressure of less than or equal to 10 -3 mmHg (0.13 Pa). For example, the plasticizer marketed under the name PRIMOL 352 by the company EXXONMOBIL is used. Preferably, the plasticizer content is from 1% to 15%, preferably from 1% to 7%, by weight relative to the total weight of the composition. Volatile Solvents A composition in accordance with the invention comprises at least one apolar volatile solvent and at least one polar volatile solvent.

For the purposes of the present invention, the term "volatile solvent" means a solvent, or an oil, capable of evaporating on contact with keratin materials in less than one hour at ambient temperature of 25 ° C. 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 g). mm Hg), preferably 1.3 Pa to 13 000 Pa (0.01 to 100 mm Hg), preferably 1.3 Pa to 1300 Pa (0.01 to 10 mm Hg). For the purposes of the present invention, the term "apolar solvent" is intended to mean a solvent, or an oil, the solubility parameter at 25 ° C. of which is equal to 0 (J / cm 3)%.

The definition and calculation of the solubility parameters in the HANSEN three-dimensional solubility space are described in the article by C. M. Hansen: "The three dimensional solubility parameters" J. Paint Technol. 39, 105 (1967). According to this Hansen space: - 813 characterizes the LONDON dispersion forces resulting from the formation of dipoles induced during molecular shocks; - 6r, characterizes the DEBYE interaction forces between permanent dipoles as well as the KEESOM interaction forces between induced dipoles and permanent dipoles; - 6h characterizes the specific interaction forces (hydrogen bond type, acid / base, donor / acceptor, etc.); and - 6a is determined by the equation: 8a = (81.2 + 6h2)%. The parameters 8p, 6h, 6D and 6 are expressed in (J / cm3)%.

By "polar" solvent, within the meaning of the present invention, is meant a solvent, or an oil, whose solubility parameter calculated beyond its melting point δ, is different from 0 (J / cm 3)%. In particular, by "polar" solvent is meant a solvent whose chemical structure is formed essentially or even consisting of carbon and hydrogen atoms, and comprising at least one highly electronegative heteroatom such as an oxygen atom. , nitrogen, silicon or phosphorus. The definition and calculation of the solubility parameters are as previously defined.

Nonpolar Volatile Solvents A composition in accordance with the invention comprises at least one solvent, or a volatile, apolar oil. Preferably, this apolar volatile solvent is chosen from nonpolar volatile solvents in 04-09, in particular the apolar hydrocarbon volatile solvents in 04-09. As a hydrocarbon-based apolar hydrocarbon solvent in the range of 4 to 9, mention may especially be made of pentane, hexane, cyclohexane, heptane, and isoparaffinic hydrocarbons in the range 8 to 9, especially available from the company ExxonMobil Chemical under the reference ISOPAR. .

Advantageously, the hydrocarbon-based apolar volatile solvent is at 06-07, preferably selected from the group consisting of hexane, cyclohexane, heptane and mixtures thereof. The volatile hydrocarbon solvent is, for example, cyclohexane.

Polar volatile solvents Furthermore, an adhesive composition according to the invention comprises at least one polar volatile solvent. Preferably, this polar volatile solvent is selected from the group consisting of 03-06 esters and ketones and mixtures thereof.

As polar volatile solvent, mention may especially be made of acetone, methyl ethyl ketone, methyl isobutyl ketone, cyclohexanone and alkyl acetates in which the alkyl group comprises from 2 to 5 carbon atoms, such as methyl acetate. ethyl acetate, propyl acetate, n-propyl acetate, isopropyl acetate, n-butyl acetate, isobutyl acetate, and tert-butyl acetate. butyl.

Preferably, the polar volatile solvent is 03-05, and more preferably selected from the group consisting of ethyl acetate, n-propyl acetate, isopropyl acetate and mixtures thereof. The polar volatile solvent is, for example, ethyl acetate.

The polar volatile solvent alone can not solubilize all the constituents of the adhesive composition of the invention, but the addition of a volatile solvent apolar as defined above makes it possible to overcome this difficulty. The two types of solvent preferably have a short carbon chain length, the source of their volatility. According to one embodiment, the apolar volatile solvent is cyclohexane and the polar volatile solvent is ethyl acetate. Generally, the total content of solvent (volatile solvent (s) polar (s) and apolar (s)) is at least 40%, preferably 50% to 90%, preferably 60% to 75% , by weight relative to the total weight of the composition. Additives The adhesive composition 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 nail makeup article. Such ingredients may be chosen from pigments and dyes, plasticizers, coalescers, preservatives, oils, waxes, free radical scavengers, spreading agents, wetting agents, dispersing agents, anti-foams, preservatives, surfactants, perfumes, neutralizers, stabilizers, antioxidants, thickeners, active agents that can 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 ingredients, 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 composition for use according to the invention are not, or substantially not altered by the addition envisaged. The present invention finally relates to the implementation of the adhesive composition as described above. More specifically, it relates to a nail makeup and / or care method comprising: a) a step of applying to the surface of a fingernail at least one layer of an adhesive composition according to the invention, to obtain a fingernail coated, b) a step of applying under the surface of a nail makeup article at least one layer of a composition according to the invention, to obtain a coated nail makeup article, c) a step of contacting said coated nail makeup article obtained at the end of step b) with said coated nail obtained at the end of step a), to obtain a nail covered with a makeup article of nails. Typically, the article of nail makeup is a false nail. Preferably, the method comprises a step of drying the adhesive composition layers prior to application of the nail makeup article to the nail. More specifically, the consumer coating the surface of his nails with at least one layer of adhesive composition as described above, and does the same under the surface of the false nails he wants to stick. Once applied, the two layers of adhesive composition typically dry for a few seconds to a few minutes, and the consumer applies dry-coated nail dry nails to his nails also coated with dry adhesive composition. His nails are covered with false nails whose hold is satisfactory. Finally, the present invention also provides a method of removing make-up from nails coated with nail make-up articles by means of such an adhesive composition. It is more specifically a method of removing make-up from a nail covered with a nail-makeup article that can be obtained by a method as described above, comprising removing said nail-makeup article from said nail. nail by coat. More particularly, the consumer can remove a nail-sticked false nail using the adhesive composition of the invention by pulling on the false nail and the adhesive layer consisting of adhesive composition located between the nail and the nail. the false nail. The makeup removal of the nail is thus facilitated with respect to a case where the false nail is glued in a conventional manner, thanks to the physicochemical properties of the adhesive composition of the invention.

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" should be understood "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 the description which follows, given solely by way of example. EXAMPLES Example 1.1: Preparation of a Cl Adhesive Composition According to the Invention A Cl adhesive composition according to the invention was prepared as follows. The components of composition C1, shown in Table 1, were mixed and heated at 45 ° C with magnetic bar stirring until a homogeneous mixture was obtained. Table 1 25 Compound Name Supplier% in commercial weight Hydrocarbon tackifier resin REGALITE EASTMAN 16.2 aliphatic R1090 CHEMICAL Mixture of triblock copolymers KRATON KRATON 14.7 linear styrene-ethylene / butylene-G1657M POLYMER styrene and diblock copolymers (SEBS / SEB) styrene ethylene / butylene Plasticizer PRIMOL 352 E) <XONMOBIL 2,4 Cyclohexane - - 50 Acetate of ethyl - - 16,7 Example 1.2: Nail makeup process comprising the use of the adhesive composition C1 The adhesive composition C1 (Example 1.1) was coated on the nails, as well as under false nails bearing the reference "EDGE FASHION NAILS" brand FING'RSO. After drying the adhesive layers, the coated false nails were applied to the coated nails.

The nail makeup thus obtained could be easily removed by peeling. EXAMPLE 2.1 Preparation of an Adhesive Composition O2 According to the Invention An adhesive composition O 2 according to the invention was prepared as follows. The components of composition 02, shown in Table 2, were mixed and heated at 45 ° C with stirring to the magnet bar until a homogeneous mixture was obtained. Table 2 Compound Name Supplier% in commercial weight Tackifying resin hydrocarbon PICCOTAC EASTMAN 16.2 aliphatic 1095 CHEMICAL Mixture of triblock copolymers KRATON D- KRATON 14.7 linear styrene-isoprene-styrene and 1161 (SIS) POLYMERS diblock copolymers styrene-isoprene Plasticizer PRIMOL 352 EXXONMOBIL 2,4 Cyclohexane - - 50 Ethyl acetate - - 16,7 Example 2.2: Nail makeup method comprising the use of the adhesive composition O 2 The adhesive composition O 2 (Example 2.1) was coated on the nails, as well as under false nails bearing the reference "EDGE FASHION NAILS" brand 20 FING'RSO. After drying the adhesive layers, the coated false nails were applied to the coated nails. The nail makeup thus obtained can be removed easily by peeling. Comparative Example 1.1: Preparation of a CP1 Adhesive Composition Comprising an Aliphatic / Aromatic Hydrocarbon Tacking Resin The constituents of the CP1 composition, shown in Table 3, were mixed and heated at 45 ° C with magnetic bar stirring. obtaining a homogeneous mixture.

Table 3 Compound Name Supplier% in commercial weight Hydrocarbon tackifying resin REGALITETm EASTMAN 16.2 aliphatic / aromatic S5100 CHEMICAL Mixture of linear triblock copolymers KRATON KRATON 14.7 styrene-ethylene / butylene-styrene and G1657M POLYMERS diblock copolymers styrene-ethylene / butylene (SEBS / SEB) Plasticizer PRIMOL 352 EXXONMOBIL 2,4 Cyclohexane - - 50 Ethyl acetate - - 16,7 This adhesive composition comprises an aliphatic / aromatic hydrocarbon tackifier resin different from the tackifying resins of the invention. Comparative Example 1.2: Nail Makeup Method Comprising the Use of the CP1 Adhesive Composition The CP1 adhesive composition (Comparative Example 1.1) was coated on the nails, as well as under false nails bearing the reference "EDGE FASHION NAILS" of the brand FING'RSO. After drying the adhesive layers, the coated false-nails applied to the coated nails. The obtained nail makeup does not adhere properly to the nails. The adhesive layer thus obtained has a stickiness to the touch after drying which is lower than in the case of Examples 1.2 and 2.2.

Claims (6)

REVENDICATIONS1. An adhesive composition for a nail makeup article comprising: - at least one polymer selected from the group consisting of block copolymers comprising at least one polystyrene block and at least one poly (ethylene / butylene) block or a polyisoprene block, and - at least one a tackifying resin having a number average molecular weight of less than or equal to 10,000 g / mol, selected from the group consisting of aliphatic hydrocarbon resins, at least one plasticizer, at least one apolar volatile solvent, and at least one volatile solvent. polar, in which the total content of tackifying resin (s) and the total content of polymer (s) are such that the mass ratio between said tackifying resin (s) and said polymer (s) (s) is between 0.5 and 3. 2. The composition of claim 1, wherein the apolar volatile solvent is a hydrocarbon solvent C4-C9, preferably C6-C7. The composition of claim 1 or 2, wherein the apolar volatile solvent is selected from the group consisting of hexane, cyclohexane, heptane, and mixtures thereof. 4. Composition according to any one of claims 1 to 3, wherein the polar volatile solvent is selected from the group consisting of C3-C6 esters and ketones and mixtures thereof, and is preferably C3-05. The composition of any one of claims 1 to 4, wherein the polar volatile solvent is selected from the group consisting of ethyl acetate, n-propyl acetate, isopropyl acetate. and their mixtures. The composition of any one of claims 1 to 5, wherein the apolar volatile solvent is cyclohexane and the polar volatile solvent is ethyl acetate.A composition according to any one of claims 1 to 6, wherein the total content of apolar volatile solvent and the total content of polar volatile solvent represent at least 40% by weight relative to the total weight of the composition. The composition of any one of claims 1 to 7, wherein the polymer is a blend of block copolymers comprising at least one diblock copolymer and at least one triblock copolymer. A composition according to any one of claims 1 to 8, wherein the polymer is a blend of linear styrene / butylene styrene triblock copolymers and styrene / butylene diblock copolymers. The composition of any one of claims 1 to 9, wherein the polymer is a blend of styrene-isoprene-styrene linear triblock copolymers and styrene-isoprene diblock copolymers. Composition according to any one of claims 1 to 10, wherein the polymer content is 1% to 50% by weight relative to the total weight of the composition. Composition according to any one of Claims 1 to 11, in which the content of tackifying resin is from 5% to 50% by weight relative to the total weight of the composition. A method of making and / or caring for the nails comprising: a) a step of applying to the surface of a fingernail at least one layer of a composition according to any one of claims 1 to 12 to obtain a fingernail coated, b) a step of applying under the surface of a nail makeup article at least one layer of a composition according to any one of claims 1 to 12 to obtain a coated nail makeup article, and C) a step of applying said coated nail makeup article obtained at the end of step b) to said coated nail obtained at the end7. 8. 9. 10. 11. 12. 13.de step a), to obtain a nail covered with a nail makeup article. The method of claim 13, wherein the nail makeup article is a false nail. 15. A method of removing makeup from a nail covered with a nail makeup article obtainable by a method according to claim 13 or 14 comprising removing said makeup article from said nail by peeling.