• 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:
    Processes for Producing a Gel Conditioning Phase and for Manufacturing a Conditioning Composition "The present invention relates to the process for producing a gel conditioning phase which comprises: forming a" confused "in a first container comprising the fatty alcohol and cationic component and from 15 wt.% of the confounding water, independently by adding the "confounded" and the water to a mixing container, the mixture, wherein the mixing temperature of the "confounded" "and water is maintained from 56 to 65 ° C, preferably from 58 to 62 ° C, more preferably from 60 ° C when in the mixing vessel, wherein the fatty alcohol comprises 8 from to 22 carbon atoms, wherein the fatty alcohol contains from 8 to 22 carbon atoms and wherein the cationic component comprises from 0 to 70% by weight of the cationic component, the cationic surfactants have the formula n + r1r2r3r4, of which preferably from 30 to 60% by weight of the cationic surfactant, and wherein r1, r2, r3 and r4 independently are (C1-30) alkyl or benzyl.
    公开号:BR112015001726B1
    申请号:R112015001726
    申请日:2013-07-24
    公开日:2019-08-27
    发明作者:Casugbo Christia；Serridge David；Alan Hough John；Michael Naughton John；Flanagan Mark
    申请人:Unilever Nv；
    IPC主号:
    专利说明:

    “PROCESSES FOR THE PRODUCTION OF A GEL CONDITIONING PHASE AND PROCESS FOR THE PRODUCTION OF A CONDITIONING COMPOSITION”
    Field of the Invention [001] The present invention relates to processes for the preparation of the improved conditioning compositions.
    Background of the Invention [002] EP-A1-2,460,508 (P & G) describes a hair conditioning composition comprising a cationic surfactant, a high melting fatty compound and an aqueous vehicle. The manufacturing method involves the preparation of a premix that comprises cationic surfactants and fatty compounds, where the temperature of the premix is higher than a melting point of the fatty compound.
    [003] Publication WO 2008/055816 (Unilever) describes conditioner shampoo compositions comprising a gel network comprising a quaternary ammonium compound and a C12-C22 fatty alcohol. In the examples, cetyl alcohol is added to the water at 65 ° C with stirring at high speed and then followed by the addition of CTAC to produce a uniform dispersion at 65 ° C. This is then added to the aqueous solution, at room temperature, with moderate stirring.
    [004] WO 2007/136708 (P & G) describes hair care compositions comprising an aminosilicone. The preparation method comprises heating the deionized water to 85 ° C and mixing it in cationic surfactants and fatty compounds. The water is kept at 85 ° C until the components are homogenized, then the mixture is cooled to about 55 ° C and maintained at this temperature to form a gel matrix.
    [005] Despite the prior art, there is still a
    Petition 870190048461, of 23/05/2019, p. 8/24
    2/12 need to improve conditioning compositions.
    Description of the Invention [006] Consequently, and in a first aspect, a process is provided for the preparation of a gel conditioning phase, according to claim 1.
    [007] Conditioning compositions produced using a gel conditioning phase of the present invention are superior conditioning products. Specifically, they are thicker, although they have lower levels of solids, and are rinsed more easily. Products that are rinsed more easily use less water and therefore provide a more sustainable future. These products are considered desired by the environmentally conscious consumer.
    [008] Preferably, the process is a continuous process.
    [009] The fused of the present invention forms an isotropic phase which means that the development of structure, that is, the formation of the conditioning phase in lamellar gel, can be controlled. In this process, the temperature of the water mixture and the melt is controlled by modifying the temperature of the water added to the mixture. Water can be added in one go or it can be stages. Normally, a first container of water is kept at about 40 ° C and is pumped into the mixing container, while a second container of water is maintained at a temperature sufficient to modify the temperature of the water mixture with the melt in such a way. which is within the required range, that is, from 56 to 65 ° C, preferably from 58 to 62 ° C, more preferably, 60 ° C in the mixing vessel.
    [010] The conditioning composition, ultimately produced using this gel conditioning phase, displays the
    Petition 870190048461, of 23/05/2019, p. 9/24
    3/12 improved conditioning characteristics that are not seen when the gel conditioning phase is formed in the co-melted.
    [011] The improvement, therefore, is in the balance of thermal energy at the point of mixing the water with the co-melted.
    [012] If it is too cold, therefore, it results in a poor mixing system due to the tendency of the co-melted to solidify and this ultimately provides a low viscosity composition. If the temperature of the mixture forms the vesicles. This also results in a lower viscosity in the conditioning composition formed over the long term.
    [013] Preferably, the melt comprises from 45 to 90% by weight the fatty alcohols of the melt.
    [014] Preferably, the fatty alcohol comprises 8 to 22 carbon atoms, more preferably 16 to 22. Fatty alcohols are usually compounds that contain straight chain alkyl groups. Examples of suitable fatty alcohols include cetyl alcohol, stearyl alcohol and mixtures thereof. The use of these materials is particularly preferred.
    [015] The fatty alcohol level in the conditioner of the present invention (not just the gel conditioning phase), in general, will be in the range from 0.01 to 10%, preferably from 0.1% and 8%, more preferably, from 0.2% to 7%, even more preferably, from 0.3% to 6% by weight of the composition. The weight ratio of the cationic surfactant to the fatty alcohol is ideally from 1: 1 to 1:10, preferably from 1: 1.5 to 1: 8, ideally from 1: 2 to 1: 5. If the weight ratio of the cationic surfactant to the fatty alcohol is too high, this can lead to eye irritation from the composition. If it is too short, it can make hair wheeze for some consumers.
    Petition 870190048461, of 23/05/2019, p. 10/24
    4/12 [016] Preferably, the fused part comprises from 10 to 40% by weight of the fused cationic component.
    [017] Suitable conditioning surfactants include those selected from cationic surfactants, used alone or in mixture. Preferably, the cationic surfactants have the Formula N + R 1 R 2 R 3 R 4 in which R 1 , R 2 , R 3 and R 4 , independently, are alkyl or benzyl (C1-C30). Preferably, one, two or three of R 1 , R 2 , R 3 and R 4 , independently, are alkyl (C4-C30) and the other group or groups R 1 , R 2 , R 3 and R 4 are the alkyl or benzyl (C1-C6). More preferably, one or two of R 1 , R 2 , R 3 and R 4> independently are alkyl (C6-C30) and the other groups R 1 , R 2 , R 3 and R 4 are alkyl or benzyl (C1-C6). Optionally, the alkyl groups can comprise one or more ester (-OCO- or COO-) and / or ether (-O-) bonds within the alkyl chain. The alkyl groups can optionally be substituted by one or more hydroxyl groups. The alkyl groups can be straight or branched and, for alkyl groups with 3 or more carbon atoms, cyclic. The alkyl groups can be saturated or can contain one or more carbon-carbon double bonds (for example, oleyl). The alkyl groups are optionally ethoxylated on the alkyl chain with one or more ethylenoxy groups.
    [018] Cationic surfactants suitable for use in the present invention include cetyltrimethylammonium chloride, beenyltrimethylammonium chloride, cetylpyridinium chloride, tetramethylammonium chloride, tetraethylammonium chloride, octyltrimethylammonium chloride, dodecylmethyl chloride, dodecylmethyl chloride , decildimethylbenzylammonium chloride, stearyldimethylbenzylammonium chloride, didodecyldimethylammonium chloride, dioctadecyldimethylammonium chloride, sebotrimethylammonium chloride, dihydrogenated sebodimethylammonium chloride (for example, Archadzo 2HT / 75
    Petition 870190048461, of 23/05/2019, p. 11/24
    5/12
    Nobel), cocotrimethylammonium chloride, PEG-2-oleamonium chloride and their corresponding hydroxides. Other suitable cationic surfactants include materials that have the denominations CTFA Quaternium-5, Quaternium31 and Quaternium-18. Mixtures of any of the above materials may also be suitable.
    [019] A cationic surfactant particularly useful for use in conditioners of the present invention is cetyltrimethylammonium chloride, commercially available, for example, as Genamin CTAC, formerly Hoechst Celanese. Another cationic surfactant particularly useful for use in conditioners according to the present invention is beenyltrimethylammonium chloride, commercially available, for example, as Genamin KDMP, formerly Clariant.
    [020] Preferably, the cationic component of the co-melt comprises from 0 to 70% by weight of the cationic component, the cationic surfactants have the Formula N + R 1 R 2 R 3 R 4 , as described above, most preferably, from 30 to 60% by weight of the cationic component.
    [021] Another example of a class of cationic surfactants suitable for use in the present invention, alone or in conjunction with one or more other cationic surfactants, is a combination of (i) and (ii) below:
    (i) an amidoamine corresponding to General Formula (I):
    (I) R1CONH (CH2) mN (R2) R3
    - where R 1 is a hydrocarbyl chain containing 10 or more carbon atoms, R 2 and R 3 , independently, are selected from hydrocarbonyl chains from 1 to 10 carbon atoms, and m is an integer 1 to about 10; and (ii) an acid.
    Petition 870190048461, of 23/05/2019, p. 12/24
    6/12 [022] As used herein, the term "hydrocarbyl chain" means an alkyl or alkenyl chain.
    [023] The preferred amidoamine compounds are those that correspond to Formula (I) in which
    - R 1 is a hydrocarbyl residue containing from about 11 to about 24 carbon atoms,
    - R 2 and R 3 'independently are each hydrocarbyl residues, preferably alkyl groups, containing from 1 to about 4 carbon atoms, and is an integer from 1 to about of 4.
    [024] Preferably, R 2 and R 3 are the methyl or ethyl groups.
    [025] Preferably, m is 2 or 3, that is, an ethylene or propylene group.
    [026] The preferred amidoamines useful herein include the estearamidopropildimetilamina, estearamidoetildietilamina, palmitamidopropildimetilamina, palmitamidoetildietilamina, beenamidopropildimetilamina, beenamidoetildietilamina, araquidamidopropildimetilamina, estearamidopropildietilamina, estearamidoetildimetilamina, palmitamidopropildietilamina, palmitamidoetildimetilamina, beenamidopropildietilamina, beenamidoetildimetilamina, araquidamidopropildietilamina, araquidamidoetildietilamina, araquidamidoetildimetilamina, and mixtures thereof.
    [027] Useful amidoamines particularly preferred in the present are stearamidopropyl dimethylamine, stearamidoethyldiethylamine, and mixtures thereof.
    [028] Useful commercially available amidoamines at present include: stearamidopropyl dimethylamine with trade names Lexamine S-13 available from Inolex (Philadelphia, Pennsylvania, USA) and Amidoamine MSP available from Nikko (Tokyo, Japan),
    Petition 870190048461, of 23/05/2019, p. 13/24
    7/12 stearamidoethyldiethylamine with a brand name of Amidoamine S available from Nikko, beenamidopropyl dimethylamine with a brand name of Incromine BB available from Croda (North Humberside, England), and several amidoamines with brand names from the Schercodine series available from Scher (Clifton New Jersey, USA).
    [029] The acid can be any organic or inorganic acid that is capable of protonating amidoamine in the conditioning composition. Suitable acids useful in the present invention include hydrochloric acid, acetic acid, tartaric acid, fumaric acid, lactic acid, malic acid, succinic acid, and mixtures thereof. Preferably, the acid is selected from the group consisting of acetic acid, tartaric acid, hydrochloric acid, fumaric acid, lactic acid and mixtures thereof.
    [030] The main role of the acid is to protonate amidoamine in the hair treatment composition, thereby forming a tertiary amine salt (TAS) in situ in the hair treatment composition. TAS is actually a cationic surfactant of non-permanent quaternary ammonium or pseudoquaternary ammonium.
    [031] Suitably, the acid is included in an amount sufficient to protonate an amount greater than 95 mol% (293 K) of the amidoamine present.
    [032] If an amidoamine of the type described in the present is present, therefore, the corresponding acid component will not be present in the fused. Instead, it will be present in the second container with the water. Preferably, the water in the second container comprises a protonation component from 0.01 to 3% by weight.
    [033] Consequently, when the present invention requires from 10 to 40% by weight of the fused cationic surfactant, the cationic surfactant component may comprise the non-protonated amidoamine,
    Petition 870190048461, of 23/05/2019, p. 14/24
    8/12 that is, it will not be cationic charged, but it will become protonated when added to the water and therefore its protonation material contained.
    [034] Preferably, the cationic surfactant component of the fused comprises from 0 to 70% of the cationic component, the amidoamine corresponding to Formula (I), more preferably, from 30 to 60% by weight of the cationic surfactant component .
    [035] In the conditioning compositions of the present invention (not just the gel conditioning phase), the level of the cationic surfactant, in general, will vary from 0.01% and 10%, most preferably from 0, 05% to 7.5%, most preferably 0.1% to 5% by weight of the composition.
    [036] Preferably, the melt is kept at a melting point sufficient to keep the fatty alcohol in a liquid phase. Preferably, the melt is maintained from 80 to 85 ° C.
    [037] Preferably, the temperature of the melt and water mixture is controlled in such a way that it is maintained from 56 to 65 ° C, more preferably from 58 to 62 ° C, most preferably, from 60 ° C during mixing.
    [038] Preferably, the contents of the mixing vessel are passed through a mixer with a rotor peripheral speed of 10 to 34, preferably from 21 to 27, and especially preferably from 24 ms-1.
    [039] In a second aspect, a process is provided for the manufacture of a conditioning composition by forming a gel conditioning phase obtained by the first aspect and then adding the remaining ingredients. The typical remaining ingredients include fragrances, silicones, fiber actives or other beneficial agents.
    Petition 870190048461, of 23/05/2019, p. 15/24
    9/12 [040] Preferably, the conditioning composition is passed through a mixer with a rotor peripheral speed of 10 to 34, preferably from 21 to 27 and, especially preferably, from 24 ms-1, plus one after the rest of the ingredients are added. The conditioning compositions of the present invention or the use of the gel conditioning stages of the present invention also deposit silicone better than conventionally produced conditioning compositions.
    [041] Consequently, the compositions of the present invention may contain the emulsified droplets of a silicone conditioning agent, to enhance conditioning performance.
    [042] Suitable silicones include polydiorganosiloxanes, in particular, polydimethylsiloxanes bearing the CTFA designation of dimethicone. Also suitable for use in the compositions of the present invention (particularly shampoos and conditioners) are polydimethylsiloxanes with hydroxyl end groups, which bear the designation CTFA of dimethicone. Also suitable for use in the compositions of the present invention are silicone gums with a slight degree of crosslinking, as described, for example, in publication WO 1996/31188.
    [043] The viscosity of the emulsified silicone itself (not the emulsion or the final hair conditioning composition) is usually at least 10,000 cst at 25 ° C, the viscosity of the silicone itself is preferably at least , 60,000 cst, most preferably at least 500,000 cst, most preferably of at least 1,000,000 cst. Preferably, the viscosity does not exceed 10 9 cst for ease of formulation.
    [044] Emulsified silicones for use in the shampoo compositions of the present invention will normally have a
    Petition 870190048461, of 23/05/2019, p. 16/24
    10/12 average silicon droplet size in the composition less than 30, preferably less than 20, more preferably less than 10 microns, preferably 0.01 to 1 micron. Silicone emulsions that have an average silicone droplet size of 0.15 microns, in general, are called microemulsions.
    [045] Emulsified silicones for use in the conditioning compositions of the present invention will normally have a composition size of less than 30, preferably less than 20, more preferably less than 15. Preferably, the silicone droplet average is greater than 0.5 microns, more preferably greater than 1 micron, most preferably from 2 to 8 microns.
    [046] The size of the silicon particle can be measured using a laser light scattering technique, for example, using a 2600d Particle Sizer from Malvern Instruments.
    [047] Examples of suitable preformed emulsions include Xiameter MEM 1785 and DC2-1865 microemulsion available from Dow Corning. These are dimethiconol emulsions / microemulsions. Cross-linked silicone gums are also available in a pre-emulsified form, which is advantageous for ease of formulation.
    [048] Another preferred class of silicones for inclusion in shampoos and conditioners of the invention is the functional amino silicones. The term "functional amino silicone" means a silicone that contains at least one primary, secondary or tertiary amino group or a quaternary ammonium group. Examples of suitable amino functional silicones include: polysiloxanes with the CTFA designation "amodimethicone".
    [049] Specific examples of functional amino silicones suitable for use in the present invention are aminosilicone oils DC2-8220, DC2-8166 and DC2-8566 (all from the former Dow
    Petition 870190048461, of 23/05/2019, p. 17/24
    12/11
    Corning).
    [050] Suitable silicone quaternary polymers are described in patent EP-A-0.530.974. A preferred quaternary silicone polymer is ο K3474, formerly Goldschmidt.
    [051] Emulsions of amino functional silicone oils with non-ionic and / or cationic surfactants are also suitable.
    [052] Preformed amino functional silicone emulsions are also available from silicone oil suppliers, such as Dow Corning and General Electric. Specific examples include the cationic emulsion DC939 and the nonionic emulsions DC2-7224, DC2-8467, DC2-8177 and DC2-8154 (all from the former Dow Corning).
    [053] The total amount of silicone is preferably from 0.01% by weight to 10% by weight of the total composition, most preferably from 0.1% by weight to 5% by weight, most preferably, 0.5% by weight to 3% by weight is an appropriate level.
    Examples
    INCI Asset Level THE 1 Dimethicone chloride / amodimethicone / cetrimonium 70 4.29 4.29 Beenyltrimethylammonium chloride 70 2.86 2.28 Cetearyl alcohol 100 4 3.2 DMDM hydantoin 55 0.1 0.1 Potassium chloride 100 0.1 0.1 perfume 100 0.6 0.6 Methylisothiazolinone 100 0.04 0.04 Methylchloroisotaizolinone Aqua 100 To 100 To 100
    Petition 870190048461, of 05/23/2019, p. 18/24
    12/12 [054] Formulation A is produced through conventional processes that involve heating fatty alcohol and cationic surfactant in water to about 70 ° C while a formulation is produced by adding cationic surfactants to fatty and stirred alcohol at 85 ° C.
    [055] Inject this mixture into a stream of water, which contains other ingredients, the water temperature varied to ensure that this mixture has a temperature of 60 ° C and mix.
    [056] Cool this stream to room temperature by injecting it into a second stream of water and mixing.
    [057] The compositions have different levels of conditioning assets to demonstrate the improved performance of the conditioning composition produced through the claimed process.
    THE 1 Meaningfulness Number of panel members 36 36Conditioner in use Conditioner thickness 56.28 D 77.43 A 99.9% Ease of rinsing 72.47 A 64.60 C 99.9% Moist smoothness 66.09 b 72.53 a 90% Clearance 68.53 D 75.34 AB 99% Dry Softness 68.30 B 73.70 A 95%
    [058] Confidential panel data in houses with about 40 panel members with damaged hair. Evaluation using the line scale.
    [059] The data show that with the use of a better process, a thicker product is obtained, despite having lower total solids (ie FA and BTAC). The ingredients are used more efficiently.
    [060] In addition, the product is significantly more conditioned (easier to detangle + smoother) than the control.
    权利要求:
    Claims (8)
    [1]
    Claims
    1. PROCESS FOR THE PRODUCTION OF A GEL CONDITIONING PHASE, characterized by comprising:
    the formation of a “co-melt” in a first container that comprises fatty alcohol and cationic component and 0 to 15% by weight of the co-melt water independently, add the “co-melt” and water in a mixing mixing bowl, in which the temperature of the mixing of the “co-melted” and water is maintained at 56 to 65 ° C, preferably from 58 to 62 ° C, more preferably 60 ° C when in the mixing vessel by adding water heated to a temperature sufficient for mixing, where fatty alcohol comprises 8 and 22 carbons, where the cationic component comprises 0 to 70%, of cationic surfactants that have the Formula N + R 1 R 2 R 3 R 4 , more preferably, 30 to 60 % by weight of the cationic surfactant component, and in which R 1 , R 2 , R 3 and R 4 , are independently alkyl or benzyl (C1-C30).
    [2]
    2. PROCESS, according to claim 1, characterized in that the co-melt comprises from 45 to 90% by weight of the fatty alcohol of the co-melt.
    [3]
    3. PROCESS according to any one of claims 1 to 2, characterized in that the co-melt comprises 10 to 40% of the cationic component.
    [4]
    4. PROCESS according to any one of claims 1 to 3, characterized in that the melt is maintained at a melting point sufficient to maintain the fatty alcohol in a liquid phase, preferably at 80 to 85 ° C.
    [5]
    5. PROCESS, according to any of the
    Petition 870190048461, of 05/23/2019, p. 20/24
    2/2 claims 1 to 4, characterized in that the mixture passes through a mixer with peripheral speed of the rotor from 10 to 34 ms-1.
    [6]
    6. PROCESS FOR MANUFACTURING A CONDITIONING COMPOSITION, characterized in that it is through the formation of a gel conditioning phase obtained, as defined in any one of claims 1 to 5 and then adding any of the remaining ingredients.
    [7]
    PROCESS, according to claim 6, characterized in that it comprises the passage of the composition through a mixer with peripheral speed of the rotor from 10 to 30 ms-1.
    [8]
    PROCESS, according to any one of claims 1 to 8, characterized in that it is a continuous process.
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    法律状态:
    2018-03-06| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2018-03-13| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2018-03-20| B06I| Publication of requirement cancelled [chapter 6.9 patent gazette]|Free format text: ANULADA A PUBLICACAO CODIGO 6.6.1 NA RPI NO 2462 DE 13/03/2018 POR TER SIDO INDEVIDA. |
    2019-05-07| B06T| Formal requirements before examination [chapter 6.20 patent gazette]|
    2019-07-30| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
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    优先权:
    申请号 | 申请日 | 专利标题
    EP12178168|2012-07-27|
    PCT/EP2013/065647|WO2014016353A1|2012-07-27|2013-07-24|Process|
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