• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a cosmetic process for treating keratinous fibers, comprising a step of applying to the keratin fibers a first cosmetic composition comprising a primary amine-group-containing amine polymer, and a step of applying a second cosmetic composition. comprising an activated ester of formula RC (O) OA1 in which R denotes a C5-C21 alkyl group, A1 denotes a particular reactive group and in particular a succinimide group. The invention also relates to a kit comprising a first cosmetic composition comprising said aminated polymer and a second cosmetic composition comprising said activated ester, the first and second compositions being each packaged in a separate packaging unit. The process gives the treated damaged fiber a hydrophobic surface state in a durable manner, the hydrophobicity effect remaining after one or more shampoos, while providing a good cosmetic feel.
    公开号:FR3017797A1
    申请号:FR1451536
    申请日:2014-02-26
    公开日:2015-08-28
    发明作者:Gwenaelle Jegou；Nawel Baghdadli
    申请人:LOreal SA；
    IPC主号:
    专利说明:

    [0001] The present invention relates to a method for treating keratinous fibers comprising the application to the fibers of a particular amino polymer and activated ester. It also relates to a kit for implementing such a method.
    [0002] The hair is usually damaged and weakened by the action of chemical treatments such as dyes, discolorations, perms, straightening, repeated washing.
    [0003] It is known that certain hair treatments such as dyes, discoloration, perms, straightening can attack the hair fiber and in particular cause the loss of some of its constituents present in the natural state, in particular fatty acids such as as 18-methyl eicosanoic acid. The hair is damaged and becomes sensitized.
    [0004] The damaged fiber has an electrostatic character, making it difficult to properly shape the hair, especially during combing or brushing. In addition, the damaged fiber has a more hydrophilic character, making it very sensitive to water: the fiber tends to swell and frize on contact with the ambient humidity, and does not ensure in these conditions a good maintenance of the hairstyle.
    [0005] It is known that the cosmetic qualities of the hair can be improved by the application of various compositions based on active ingredients or polymers to give them various properties such as shine, ease of disentangling, swelling, flexibility, nervousness or softness. To obtain good efficacy, it is of course understood that these active agents have a certain affinity for keratinous fibers. WO2008 / 156327 discloses a composition comprising lipids bearing functional groups which, after application to the hair or to the skin, are covalently bound to the surface of the keratin materials.
    [0006] The functional groups are, for example, hydroxysuccinimidyl ester groups. Lipids are C8-C28 fatty acids. However, the effect of hydrophobicity obtained on the surface of the hair fades during successive shampoos and does not exhibit a satisfactory remanence to shampoo. Furthermore, the application of treating polymers on the hair can interfere with the maintenance of a good touch: the treated hair is loaded, the touch is rough, not very smooth, crunchy, not very cosmetic. The object of the present invention is to propose a process for the cosmetic treatment of keratinous fibers, in particular the hair, which makes it possible to restore to an abraded fiber the physicochemical properties of a natural fiber surface in a lasting manner over time. . The subject of the invention is thus a non-therapeutic cosmetic process for treating keratinous fibers, comprising a step of applying to the keratinous fibers a first cosmetic composition comprising an amino polymer as defined hereinafter, and a step of applying a second cosmetic composition comprising an activated ester as defined hereinafter. The treatment method is in particular a keratinous fiber care method. The invention also relates to a kit comprising: a first cosmetic composition comprising an aminated polymer as defined below and a second cosmetic composition comprising an activated ester as defined below, the first and second compositions being each packaged in a separate package. The packaging assembly of the compositions is in a known manner any packaging adapted to store the cosmetic compositions (bottles, tube, spray bottle, aerosol flask in particular). Such a kit makes it possible to implement the process for treating keratin materials according to the invention. The method according to the invention allows the damaged fiber to recover a hydrophobic surface condition close to that of the natural hair and this in a sustainable manner the hydrophobicity effect being residual after one or more shampoos performed on the keratinous fibers processed. The overall appearance of the hair is improved, the treated hair is less electrostatic, has less swelling and less frizziness in contact with the ambient humidity, thus contributing to a good shaping of the hair, in particular fine hair . The treated hair also has a good cosmetic feel, soft, not rough. The process according to the invention uses a first cosmetic composition comprising an aminated polymer chosen from amine polymers containing primary amine groups. These are polymers resulting from the polymerization of monomers, the polymer comprising at least 2 primary amine groups -NH 2. The aminated polymer may in particular be chosen from: poly (C 2 -C 5) alkylene imines), and in particular polyethyleneimines and polypropyleneimines, especially linear or branched poly (ethylene imines) (for example that sold under the reference 46,852-3 by Aldrich Chemical); poly (allylamine) (for example that sold under the reference 47,913-6 by Aldrich Chemical or by Beckmann-Kenko); Polyvinylamines and their copolymers, especially with vinylamides; mention may be made especially of vinylamine / vinylformamide copolymers (the vinylamine content may range from 30 to 90% by weight of the total weight of the polymer); such as those marketed under the name LUPAMIN® 9030 by BASF - amino polyacids having NH 2 groups such as polylysine; for example, that sold by JNC Corporation; amino dextran, such as that sold by CarboMer Inc; vinyl amine / vinyl alcohol copolymers such as those sold by Chemwill; acrylamidopropylamine polymers; chitosans, such as those sold under the names "ZENZIVO® Protect" and "ZENZIVO Aqua" by the company Clariant. Preferably, the amino polymer is chosen from: poly (ethylene imine); poly (allylamine); polylysine; vinylamine / vinylformamide copolymers; - chitosan Preferably, the aminated polymer is chosen from polyallylamine, poly (vinylamine / vinylformamide) copolymers, and chitosan. More preferably, the aminated polymer is a polyallylamine. Advantageously, the aminated polymer has a weight average molecular weight ranging from 200 to 1,000,000 g / mol, preferably ranging from 300 to 500,000 g / mol.
    [0007] Preferably, the amino polymer is water soluble. The term "water-soluble polymer" means a polymer having a solubility in water, at 25 ° C., of at least 0.1 g / l. The aminated polymer may be present in the first composition in a content ranging from 0.001 to 20. % by weight, relative to the total weight of the composition, preferably from 0.001 to 10% by weight, and preferably from 0.001 to 5% by weight, and more preferably from 0.1 to 5% by weight.
    [0008] The second composition comprises an activated ester corresponding to formula (I): RC (O) OA1 (I) in which R denotes a C5-C21, preferably a C9-C17, preferably a C11-C15 alkyl group. reactive group selected from: 3 Na with T = independently H or F or Cl These activated ester compounds are known from the literature. Preferably, Al denotes the reactive group and R denotes a C 9 -C 17 alkyl group, preferably a C 11 -C 15 alkyl group. The activated ester is preferably chosen from: lauric acid ester and N-hydroxysuccinimide, palmitic acid ester and N-hydroxysuccinimide. Advantageously, the activated ester is palmitic acid ester and N-hydroxysuccinimide. The activated ester may be present in the second composition in a content ranging from 0.1 to 5% by weight relative to the total weight of the composition, preferably from 0.5 to 4% by weight, and preferably ranging from 1 to 4% by weight. The cosmetic compositions used according to the invention contain a physiologically acceptable medium, that is to say compatible with the keratinous materials of human beings such as the skin (body, face, eye contour, scalp), hair, eyelashes, eyebrows, hair, nails, lips. Advantageously, the first cosmetic composition used according to the invention comprises a physiologically acceptable aqueous medium. It may for example consist of water or a mixture of water and at least one cosmetically acceptable organic solvent. Examples of organic solvents are lower C 2 -C 4 alcohols, such as ethanol and isopropanol; polyols, especially those having 2 to 6 carbon atoms such as glycerine, propylene glycol, butylene glycol, pentylene glycol, hexylene glycol, dipropylene glycol, diethylene glycol; polyol ethers such as 2-butoxyethanol, propylene glycol monomethyl ether, diethylene glycol monoethyl ether and monomethyl ether, short esters such as ethyl acetate, butyl acetate; and their mixtures. Preferably, the cosmetic composition comprises from 50 to 99.5% by weight of water relative to the weight of the composition.
    [0009] Advantageously, the second cosmetic composition used according to the invention comprises a physiologically acceptable non-aqueous medium. It may for example consist of one or more cosmetically acceptable organic solvents, such as those described above, or else one or more oils customary in cosmetics.
    [0010] The compositions used according to the invention may also contain one or more cosmetic additives chosen from nonionic, anionic, cationic and amphoteric surfactants, vitamins and pro-vitamins including panthenol, sunscreens, fillers, dyestuffs, narcotics, opacifying agents, sequestering agents, film-forming polymers, plasticizers, thickeners, oils, antioxidants, antifoams, moisturizers, emollients , penetrating agents, perfumes and preservatives.
    [0011] The compositions used according to the invention may be in any of the galenical forms conventionally used for capillary application and especially in the form of aqueous solutions, hydroalcoholic solutions, oil-in-water (O / W) or water-in-water emulsions. oil (W / O) or multiple (triple: W / O / W or W / E / H), aqueous gels, hydroalcoholic gels. These compositions are prepared according to the usual methods. Preferably, the composition is in the form of an aqueous or aqueous-alcoholic solution or gel. The process according to the invention can be carried out on keratinous fibers, in particular hair, which is dry or moist. Preferably, the process is carried out on keratin fibers, especially dry hair. After application to the keratinous fibers of the cosmetic composition comprising the amino polymer and / or the activated ester, the applied composition may be applied for a period ranging from 1 to 60 minutes, preferably from 2 to 50 minutes. minutes, preferably ranging from 5 to 30 minutes. The exposure time can be carried out at a temperature ranging from 15 ° C to 45 ° C, preferably at room temperature (25 ° C). The cosmetic compositions described above are advantageously applied to the keratinous fibers in an amount ranging from 0.1 to 10 grams, preferably from 0.2 to 5 grams of composition per gram of keratin fibers. After application of the cosmetic compositions to the keratinous fibers, the latter may be dewatered to remove the excess composition or washed with water. After the treatment, the keratinous fibers may be optionally rinsed with water or washed with a shampoo. The keratinous fibers are then optionally dried by means of a hairdryer or a helmet or in the open air. The treatment method according to the invention is preferably carried out on keratinous fibers, especially sensitized hair, such as artificially colored fibers (keratin fibers dyed following a direct dyeing process or by a dyeing process. oxidation), discolored, degraded or permed. According to a first embodiment of the process according to the invention, the following order is carried out: the step of applying the first composition comprising the aminated polymer, then the step of applying the second composition comprising taking the activated ester (I). According to a second embodiment of the method according to the invention, the following order is carried out: the extemporaneous mixture of the first and second compositions and then the application of the mixture obtained on the keratinous fibers. The treatment process according to the invention may be carried out before, during and / or after an additional cosmetic treatment process for keratinous fibers, such as a temporary shaping process (shaping with curlers, curling, straightening iron) or a process for the durable shaping (permanent, straightening) of keratinous fibers. The treatment method can be implemented in pre-treatment of a staining process, straightening and / or a permanent process in order to cosmetically protect the keratinous fibers of these treatments. In other words, this process is performed to preserve the cosmetic properties of the keratinous fibers before a cosmetic treatment process as described above. Preferably, the treatment process is carried out in post-treatment of a process for bleaching, artificial coloring, straightening and / or a permanent process for repairing said fibers. The process according to the invention is preferably carried out on hair.
    [0012] The following examples are illustrative of the present invention. The amounts indicated in the examples are expressed as percentage by weight. Example 1: Sensitized locks of hair (SA 20% discoloration) were used. Compositions carried out Compositions Al A2 B Polyallylamine * 0.5 3 Ester of palmitic acid and 3 N-hydroxysuccinimide Water qs qs 100 100 Butyl acetate / ethanol qs (50/50) 100 * polyallylamine from Beckmann-Kenko Tests were carried out been done on a strand of hair. The composition A1 or A2 was applied to wetted hair strands (1.5 g of composition per gram of hair), then the wicks were placed in an oven at 60 ° C for 30 minutes, turning the wicks back after 15 minutes. Composition B was then applied to the locks (1.5 g of composition per gram of hair). The locks were then placed in an oven at 40 ° C for 30 minutes, returning them after 15 minutes. The locks were then rinsed under running water, wrung out and then washed with a helmet for 15 minutes at 60 ° C. For some locks, 5 shampoos were carried out according to the following protocol: The treated locks were washed with DOP chamomile shampoo, at the rate of 0.4 g of shampoo per gram of hair, at a temperature of 38 OC. Moisten the wick for 5 seconds with water. Apply the shampoo by kneading the wick from root to tip for 15 seconds. Rinse with water for 10 seconds. Wring. Repeat the steps of application of shampoo followed by rinsing. Dry the locks for 10 minutes per gram of hair at 60 ° C in the hair dryer. For each strand of hair treated, the wettability of the hair was measured (a measure particularly described in the book "The science of Flair Care" of C.
    [0013] Bouillon and J.Wilkinson - 2nd edition 2005 - Chapter 12 Evaluation of product efficacy - page 407). The measurement of the wettability of a hair consists in immersing a piece of hair in a crystallizer of ultrapure water and measuring the force generated by the displacement of the hair fiber during its immersion (wetting force) and during its removal from the water. This force varies according to the affinity of the hair for the liquid and makes it possible to account for the surface state of the fiber. We use a K14 tensometer from KRÜSS under the following operational conditions: - Approach speed: 4 mm / min - Measuring speed: 2 mm / min - Balance sensitivity: 10 pg - Waiting time after immersion: 2 seconds - Depth of immersion: 2 mm 8 The hair mounted on a rack is always oriented in the same direction ie, points down, root up. For each treatment 20 samples are measured under the same conditions. The hair was left overnight in a glove box at 25 ° C and 45% humidity before being measured. Data processing. The wetting force (F in Newton) is determined according to the following formula: F = Lxo-xcose L being the perimeter of the hair (in meters) 0: contact angle: superficial tension of pure water = 72.75 mN The wetting force, expressed in mN, is converted to pg and then normalized to the average perimeter of the fibers. From the 20 measurements for each wick, the average value and its confidence interval are calculated. The lower the wetting strength, the more the treated hair is hydrophobic. The touch of the treated lock was also evaluated (appearance more or less rough to the touch). The following results were obtained: Wicking / treatment Touching Wetting strength (pg) Wick Control no Correct touch 5.39 ± 0.36 treated Wick 1 treated with composition B Correct touch 3.59 ± 0.53 Wick 2 treated with composition Al Touch rougher -2.30 ± 0.35 Wick 3 treated with rough touch -6.28 ± 0.51 composition Al + 5 shampoos Wick 4 treated with 9 composition Al + 10 shampoos Rough touch -5.96 ± 0.82 Wick 5 treated with correct touch -3.49 ± 0.65 composition Al then B Wick 6 treated with Correct touch -5.03 ± 0.43 composition Al then B + 5 shampoos Wick 7 treated with correct Touch -4.76 ± 0.38 composition Al then B + 10 shampoos Wick 8 treated with composition A2 Touch loaded, rough -2.61 ± 0.60 Wick 9 treated with composition A2 + 5 shampoos Touch loaded, rough -6.34 ± 1.30 Wick 10 treated Correct touch -4.43 ± 0.57 with composition A2 then B Wick 11 treated Correct touch -4.72 ± 0.62 with composition A2 and then B + 5 shampoos The results obtained show that the locks No. 5, 6, 7 and 10, 11 treated with the process according to the invention have the best surface hydrophobicity and good properties. to touch.
    [0014] Example 2: On a lock of sensitized hair (type SA 20), the following composition of basecoat (contents in percent by weight) is applied: Polyethylene imine with a molecular weight of 423 g / mol (reference 46.853-3 from Aldrich) 0, 5% Water qs 100% It is left for 30 minutes at 60 ° C. The excess product is wiped off and then the following topcoat composition is applied: palmitic acid ester and N-hydroxysuccinimide 3% butyl acetate / ethanol (50%) / 50 wt / wt) qsp 00% Let stand for 30 minutes. The treated hair is rinsed then a shampoo (DOP chamomile) is performed and the hair is dried with a hair dryer.
    [0015] The hair treated after the application of the 2 compositions has an improved surface hydrophobicity retaining the shampoo and a good feel. Example 3: On a strand of sensitized hair (type SA 20), the following composition of basecoat (percentages by weight) is applied: Polyvinylamine / vinylformamide copolymer (LUPAMIN® 9030 from BASF) 0.5 % Water qs 100% It is left for 30 minutes at 60 ° C. The excess product is wiped off and then the following topcoat composition is applied: palmitic acid ester and N-hydroxysuccinimide 3% butyl acetate / ethanol (50%) / 50 wt / wt) qsp 00% Let stand for 30 minutes. The treated hair is rinsed and then shampooed (DOP camomile) and the hair is dried with a hair dryer. The hair treated after the application of the 2 compositions have improved surface hydrophobicity retentive shampoo and a good touch. Example 4: On a lock of sensitized hair (type SA20), the following composition of basecoat was used (contents by weight%): Polylysine (Polylysine 25% solution from JNC) 0.5% MA (47.913-6 from Aldrich) Water qs 100% Allow to stand for 30 minutes at 60 ° C. The excess product is wiped off and then the following topcoat composition is applied: palmitic acid ester and N-hydroxysuccinimide 3% butyl acetate / ethanol (50/50 wt / wt) qsp 00% Let stand for 30 minutes. The treated hair is rinsed then a shampoo (DOP chamomile) is performed and the hair is dried with a hair dryer.
    [0016] The hair treated after the application of the 2 compositions has an improved surface hydrophobicity retaining the shampoo and a good feel. 12
    权利要求:
    Claims (16)
    [0001]
    REVENDICATIONS1. Non-therapeutic cosmetic process for treating keratinous fibers, comprising a step of applying to the keratinous fibers a first cosmetic composition comprising a primary amine-group-containing amine polymer, and a step of applying a second cosmetic composition comprising an ester embedded image of formula (I): RC (O) OAl (I) wherein R denotes a C 5 -C 21 alkyl group, Al denotes a reactive group selected from: 0 N 0 S0, - Na. with T = independently H or F or Cl
    [0002]
    2. Method according to the preceding claim, characterized in that the amino polymer is selected from: - poly (alkylene (C2-05) imines); poly (allylamine); polyvinylamines, vinylamine / vinylformamide copolymers; the polyamino acids having NH 2 groups; dextran amine; vinyl amine / vinyl alcohol copolymers; polymers with acrylamidopropylamine; - chitosan
    [0003]
    3. Method according to any one of the preceding claims, characterized in that the amino polymer is chosen from: - poly (ethylene imine); Poly (allylamine); polylysine; vinylamine / vinylformamide copolymers; - chitosan
    [0004]
    4. Method according to any one of the preceding claims, characterized in that the amino polymer is a poly allylamine.
    [0005]
    5. Process according to any one of the preceding claims, characterized in that the amine polymer has a weight average molecular weight of from 200 to 1,000,000 g / mol, preferably from 300 to 500,000 g / mol.
    [0006]
    6. Process according to any one of the preceding claims, characterized in that the aminated polymer has a solublity in water, at 25 ° C, of at least 0.1 15 g / l.
    [0007]
    7. Process according to any one of the preceding claims, characterized in that the amino polymer is present in the first composition in a content ranging from 0.001% to 20% by weight, relative to the total weight of the composition, of preferably ranging from 0.001 to 10% by weight, and preferably ranging from 0.001 to 5% by weight, and more preferably ranging from 0.1 to 5% by weight.
    [0008]
    8. Process according to any one of the preceding claims, characterized in that, for the activated ester of formula (I), R denotes a C 925 C 17, preferably C 11 -C 15, alkyl group.
    [0009]
    9. Process according to any one of the preceding claims, characterized in that for the activated ester of formula (I) A1 denotes the reactive group O and R denotes a C9-C17 alkyl group, preferentially a C11-C15 group.
    [0010]
    10. Process according to any one of the preceding claims, characterized in that the activated ester of formula (I) is chosen from: lauric acid ester and N-hydroxy succinimide, palmitic acid ester and N-hydroxysuccinimide. 35
    [0011]
    11. Process according to any one of the preceding claims, characterized in that the activated ester of formula (I) is present in the second composition in a content ranging from 0.1 to 5% by weight relative to the total weight of the composition, preferably ranging from 0.5 to 4% by weight, and preferably ranging from 1 to 4% by weight. 14,301,779 7
    [0012]
    12. Method according to any one of the preceding claims, characterized in that it is carried out in the following order: the step of applying the first compotion comprising the amino polymer, then the step of applying the second composition comprising the activated ester (I).
    [0013]
    13. Method according to any one of claims 1 to 11, characterized in that it is carried out in the following order: the extemporaneous mixture of the first and second compositions and then the application of the mixture obtained on the keratin fibers.
    [0014]
    14. Method according to any one of the preceding claims, characterized in that after application to the keratinous fibers of the cosmetic composition comprising the amino polymer and / or the activated ester, it is possible to leave the composition applied for a duration of from 1 to 60 minutes, preferably at a temperature ranging from 15 ° C to 45 ° C
    [0015]
    15. Method according to any one of the preceding claims, characterized in that it is carried out on hair. 20
    [0016]
    16. Kit comprising: a first cosmetic composition comprising an amino polymer as defined according to one of claims 1 to 7 and a second cosmetic composition comprising an activated ester as defined according to one of claims 1 and 8 to 11, the first and second compositions being each packaged in a separate package. 15
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    法律状态:
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    2021-11-12| ST| Notification of lapse|Effective date: 20211005 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1451536A|FR3017797B1|2014-02-26|2014-02-26|PROCESS FOR TREATING KERATIN FIBERS WITH AN AMINO POLYMER AND AN ACTIVE ESTER|
    FR1451536|2014-02-26|FR1451536A| FR3017797B1|2014-02-26|2014-02-26|PROCESS FOR TREATING KERATIN FIBERS WITH AN AMINO POLYMER AND AN ACTIVE ESTER|
    US15/121,134| US10045929B2|2014-02-26|2015-02-20|Method for treating keratin fibres with an amino polymer and an activated ester|
    PCT/FR2015/050412| WO2015128566A1|2014-02-26|2015-02-20|Method for treating keratin fibres with an amino polymer and an activated ester|
    EP15709287.5A| EP3110395B1|2014-02-26|2015-02-20|Method for treating keratin fibres with an amino polymer and an activated ester|
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