阅读说明：本技术 防水的化妆品组合物 (Water-repellent cosmetic composition ) 是由 克莱芒蒂娜·尚帕涅 于 2019-03-28 设计创作，主要内容包括：本发明涉及乳液形式的化妆品组合物,其由于使用了乳化聚合物而是防水的。该聚合物是通过阴离子单体和C<Sub>1</Sub>至C<Sub>7</Sub>不饱和羧酸酯的聚合来制备的。根据本发明的化妆品组合物不含成膜剂和表面活性化合物。本发明还涉及该化妆品组合物的制备和用途。(The present invention relates to cosmetic compositions in the form of emulsions which are water-repellent due to the use of emulsifying polymers. The polymer is prepared by anionic monomer and C 1 To C 7 Polymerization of unsaturated carboxylic acid esters. The cosmetic composition according to the invention is free of film formers and surface-active compounds. The invention also relates to the preparation and use of the cosmetic composition.)

1. A cosmetic composition in the form of a water-repellent emulsion, which is free of any film-forming agents and surface-active compounds, but comprises:

lipophilic phase particles comprising at least one lipophilic compound, dispersed in:

a continuous hydrophilic phase having a pH greater than or equal to 6.5, the continuous hydrophilic phase comprising:

o at least one hydrophilic compound, and

o at least one emulsifying polymer (P) prepared by at least one polymerization reaction of:

(a1) at least one anionic monomer comprising one of at least one polymerizable ethylenic unsaturation and at least one carboxylic acid group or salt thereof, and

(a2) c of at least one compound derived from an acid selected from the group consisting of acrylic acid, methacrylic acid, maleic anhydride, itaconic acid and crotonic acid₁To C₇And (3) an ester.

2. The composition according to claim 1, comprising from 0.1 to 75 wt% or from 1 to 75 wt%, preferably from 0.1 to 70 wt% or from 1 to 70 wt%, more preferably from 0.1 to 65 wt% or from 1 to 65 wt%, still more preferably from 0.1 to 60 wt% or from 1 to 60 wt% of the dispersed lipophilic phase, relative to the total weight of the continuous hydrophilic phase and the dispersed lipophilic phase.

3. Composition according to claim 1 or 2, wherein the lipophilic phase comprises an oil selected from fatty acids, fatty alcohols, butter, waxes (e.g. beeswax), oils, preferably selected from mineral oils (e.g. paraffin oil, vaseline oil, mineral oils with a boiling point of 300 to 400 ℃), animal oils (e.g. squalene, squalane, perhydrosqualene), vegetable oils (e.g. sweet almond oil, calophyllum oil, palm oil, almond oil, avocado oil, jojoba oil, olive oil, castor oil, cereal germ oil, liquid fractions of shea butter), unsaponifiable compounds derived from natural oils, synthetic oils (e.g. hydrogenated polyisobutene, fatty acid esters, such as duck tail oil, butyl myristate, isopropyl myristate, cetyl myristate, isopropyl palmitate, butyl stearate, cetyl stearate, isopropyl salicylate, sodium hydrogen carbonate, sodium, Octyl stearate, isocetyl stearate, decyl oleate, hexyl laurate, propylene glycol dicaprylate, lanolate, such as diisopropyl caproate, isooctyl caproate, acetyl glyceride, caprylic alcohol ester, caprylic polyol ester, capric alcohol ester, capric acid polyol ester, in particular ethylene glycol octanoate, glycerol octanoate, ethylene glycol decanoate, glycerol decanoate, alcohol ricinoleate, polyol ricinoleate), terpenes, polyterpenes, phytosterols, silicone oils (for example cyclomethicones, low molecular weight polydimethylsiloxanes or silicone oils, high molecular weight polydimethylsiloxanes or silicone rubbers, polymethylsiloxanes, dimethiconols, phenyl dimethicones, low molecular weight siloxane alcohols, high molecular weight siloxane alcohols, trimethylsiloxysilicates), fluorinated oils (for example fluorinated perfluoroethers and fluorinated silicones).

4. Composition according to any one of claims 1 to 3, in which the hydrophilic compound is chosen from water alone or in combination with at least one compound chosen from glycerol, polyglycerol, glycols, such as propylene glycol, butylene glycol, humectants, such as those of cosmetic compositions, sugar derivatives, such as xylitol, maltitol.

5. The composition according to any one of claims 1 to 4, wherein:

a pH of greater than 4, preferably greater than 5, more preferably greater than 6, or

A pH of less than 13, preferably less than 12, more preferably less than 11, or

A pH of 4 to 13, or 4 to 12, or 4 to 11, preferably 5 to 13, or 5 to 12, or 5 to 11, more preferably 6 to 13, or 6 to 12, or 6 to 11.

6. The composition according to any one of claims 1 to 5, wherein:

the monomer (a1) is selected from acrylic acid, methacrylic acid, maleic anhydride, itaconic acid, crotonic acid, acrylates, methacrylates, maleates, maleic anhydride salts, itaconates, crotonates and combinations thereof, more preferably from acrylic acid, acrylates, methacrylic acid, methacrylates and combinations thereof, or

The monomer (a2) is C₁To C₆Esters or C₁To C₄Esters, or acrylic acid C ₁To C₇Esters or methacrylic acids C₁To C₇Esters, preferably selected from methyl acrylate, ethyl acrylate, propyl acrylate, butyl acrylateEthyl hexyl acrylate, methyl methacrylate, ethyl methacrylate, propyl methacrylate, butyl methacrylate, ethyl hexyl methacrylate and combinations thereof are more preferred, ethyl acrylate, butyl acrylate, methyl methacrylate and combinations thereof are more preferred, or

The monomer (a1) is selected from acrylic acid, methacrylic acid, maleic anhydride, itaconic acid, crotonic acid, acrylates, methacrylates, maleates, maleic anhydride salts, itaconates, crotonates, and combinations thereof, more preferably acrylic acid or methacrylic acid; and the monomer (a2) is C₁To C₆Esters or C₁To C₄Esters or of acrylic acid C₁To C₇Esters or methacrylic acids C₁To C₇Esters, preferably selected from methyl acrylate, ethyl acrylate, propyl acrylate, butyl acrylate, ethylhexyl acrylate, methyl methacrylate, ethyl methacrylate, propyl methacrylate, butyl methacrylate, ethylhexyl methacrylate and combinations thereof, more preferably ethyl acrylate, butyl acrylate, methyl methacrylate and combinations thereof, or

Polymerization using, with respect to the total molar amount of monomers (a1) and (a 2):

o from 20 to 70 mol% or from 30 to 60 mol%, preferably from 30 to 55 mol% or from 30 to 50 mol%, of the monomer (a1), and

o from 30 to 80 mol% or from 40 to 70 mol%, preferably from 45 to 70 mol% or from 50 to 70 mol% of the monomer (a 2).

7. Composition according to any one of claims 1 to 6, in which the hydrophilic phase comprises from 0.4% to 10% by weight, from 0.4% to 9% by weight or from 0.4% to 8% by weight, preferably from 0.5% to 10% by weight, from 0.5% to 9% by weight or from 0.5% to 8% by weight or from 0.6% to 10% by weight, from 0.6% to 9% by weight or from 0.6% to 8% by weight of polymer (P), relative to the amount of hydrophilic phase.

8. The composition according to any one of claims 1 to 7, wherein the polymer (P) is prepared by a polymerization reaction also using:

(a3) at least one compound selected from the group consisting of 2-acrylamido-2-methylpropanesulfonic acid, ethoxymethacrylate sulfonate, sodium methallylsulfonate, styrene sulfonate, hydroxyethyl acrylate phosphate, hydroxypropyl acrylate phosphate, hydroxyethylhexyl acrylate phosphate, hydroxyethyl methacrylate phosphate, hydroxypropyl methacrylate phosphate, hydroxyethylhexyl methacrylate phosphate, salts thereof, and combinations thereof, preferably less than 20 mol%, preferably from 0.2 mol% to 20 mol%, particularly from 0.5 mol% to 10 mol%, of monomer (a3), relative to the total molar amount of monomers, or

(a4) At least one compound selected from hydroxyethyl acrylate, hydroxypropyl acrylate, hydroxyethylhexyl acrylate, hydroxyethyl methacrylate, hydroxypropyl methacrylate, hydroxyethylhexyl methacrylate, preferably less than 20 mol%, preferably from 0.2 mol% to 20 mol%, in particular from 0.5 mol% to 10 mol%, of the monomer (a4), relative to the total molar amount of the monomers, or

(a5) At least one crosslinking monomer or at least one monomer comprising at least two ethylenic unsaturations, preferably less than 5 mol%, preferably from 0.01 mol% to 4 mol%, in particular from 0.02 mol% to 4 mol% or from 0.02 mol% to 2 mol%, in particular from 0.02 mol% to 1 mol%, of the monomer (a5), relative to the total molar amount of monomers.

9. The composition according to any one of claims 1 to 8, wherein:

the polymer (P) is completely or partially neutralized, preferably by at least one compound selected from NaOH, KOH, ammonium derivatives, ammonia, amine bases, such as triethanolamine, aminomethylpropanol or 2-amino-2-methylpropanol (AMP) and combinations thereof, or

The polymer (P) is totally or partially coagulated, preferably:

o by lowering the pH of the dispersion (D), for example by lowering the pH to a value of less than 6.5, in particular by an acid compound, in particular by at least one organic or inorganic acid compound, in particular by coagulation of an acid compound selected from phosphoric acid, citric acid, gluconolactone, lactic acid, salicylic acid, glycolic acid, ascorbic acid, glutamic acid, hydrochloric acid, acetic acid, D-gluconic acid, sulfonic acid, methanesulfonic acid, benzimidazolesulfonic acid, tartaric acid, 4-aminobenzoic acid, benzoic acid, sorbic acid, phenylbenzimidazolesulfonic acid, benzylidenecamphorsulfonic acid, p-xylylene-dicarbonesulfonic acid, or

O by increasing the ionic strength of the dispersion (D), for example by adding at least one ionizing compound or at least one salt, in particular NaCl, KCl, MgCl₂、CaCl₂、MgSO₄、CaSO₄And (4) condensing.

10. The composition according to any one of claims 1 to 9, further comprising mineral particles (e.g., titanium dioxide particles, iron oxide particles, zinc oxide particles), coated mineral particles, in particular mineral particles coated with a hydrophobic compound, e.g., stearic acid (e.g., titanium dioxide particles coated with a hydrophobic compound, e.g., stearic acid), organic sunscreen agents (e.g., avobenzone, ethylhexyl triazone, benzophenone-3, octocrylene, benzophenone-2, benzophenone-4, ethylhexyl salicylate, 4-methylbenzylidenecamphor, octyl-N, N-dimethyl PABA, ethylhexyl dimethyl PABA, methoxycinnamic acid, isoamyl methoxycinnamate, butyl methoxydibenzoylmethane, diethylamino hydroxybenzoyl hexanol benzoate, zinc oxide particles), organic sunscreen agents (e.g., avobenzone, ethylhexyl triazone, benzophenone-3, octocrylene, benzophenone-2, benzophenone-4, ethylhexyl salicylate, 4, Bis-ethylhexyloxyphenol methoxyphenyl triazine, cresoltrazol trisiloxane, methylene bis-benzotriazolyl tetramethylbutylphenol, diethylhexyl butamido triazone, ethylhexyl triazone, isoamyl p-methoxycinnamate, polysiloxane-15, terphenyl triazine, salicylic acid homothion

11. A formulation selected from sunscreen formulations, cosmetic formulations, skin care formulations and hair care formulations comprising at least one cosmetic composition according to any one of claims 1 to 10.

12. A method of preparing a cosmetic composition in the form of a water-resistant emulsion, said cosmetic composition being free of any film-forming agents and surface-active compounds, said method comprising:

preparing a continuous hydrophilic phase comprising:

o at least one hydrophilic compound having a pH of greater than or equal to 6.5, and

o at least one emulsifying polymer (P) prepared by at least one polymerization reaction of:

(a1) at least one anionic monomer comprising one of at least one polymerizable ethylenic unsaturation and at least one carboxylic acid group or salt thereof, and

(a2) c of at least one compound derived from an acid selected from the group consisting of acrylic acid, methacrylic acid, maleic anhydride, itaconic acid and crotonic acid₁To C₇(ii) an ester, wherein the ester is,

preparing a continuous hydrophilic phase comprising at least one lipophilic compound, and then

The lipophilic phase is added to the hydrophilic phase with stirring and in the absence of surface-active compounds.

13. The method of claim 12:

wherein the addition is carried out at a temperature of from 10 ℃ to 90 ℃ or from 15 ℃ to 75 ℃ or at room temperature, or

Also included is adjusting the final pH of the composition, preferably adjusting the pH to 4 to 13, or 4 to 12, or 4 to 11, more preferably 5 to 13, or 5 to 12, or 5 to 11, more preferably 6 to 13, or 6 to 12, or 6 to 11.

14. The preparation method according to claim 12 or 13, wherein the cosmetic composition is defined according to any one of claims 1 to 10.

15. A method for improving the water resistance of a cosmetic composition in the form of an emulsion, said cosmetic composition being free of film-forming agents and surface-active compounds, said method comprising the addition to the cosmetic composition of at least one emulsifying polymer (P) prepared by at least one polymerization reaction of:

(a1) at least one anionic monomer comprising one of at least one polymerizable ethylenic unsaturation and at least one carboxylic acid group or salt thereof, and

(a2) c of at least one compound derived from an acid selected from the group consisting of acrylic acid, methacrylic acid, maleic anhydride, itaconic acid and crotonic acid₁To C₇And (3) an ester.

16. A cosmetic treatment method using a composition according to any one of claims 1 to 10 or using a formulation according to claim 11 or using a composition prepared using a method according to any one of claims 12 to 14, comprising applying the composition or the formulation, in particular on the skin.

Examples

The following examples illustrate various aspects of the present invention. The following abbreviations are used:

MAA: the concentration of the methacrylic acid is controlled by the amount of the methacrylic acid,

EA: the reaction mixture of ethyl acrylate and water is reacted,

DAP: the concentration of the diallyl phthalate is controlled by the concentration of the diallyl phthalate,

clariant Polyglykol B11/50: propylene oxide, ethylene oxide, monobutyl ether,

huntsmann Empicol LXVN: sodium Lauryl Sulfate (SLS),

BASF Texapon NS 0: a 28% solution of ammonium lauryl sulfate or a 28% solution of ammonium lauryl ether sulfate (SLES),

sodium persulfate: (NH)₄)₂S₂O₈，

Straight chain (C)₁₆To C₁₈) -alkyl- (EO)₂₅-methacrylic acid ester (monomer (x)).