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    • 专利摘要:
    compositions for cleaning viscous liquids comprising sulfonated fatty acids, esters, or salts derived therefrom and beatins or sultaines and the manufacturing process thereof. formulations of personal care compositions and compositions of personal care concentrates containing salts of sulfonated fatty acid esters and / or salts of sulfonated fatty acids, and an alkylbetaine or sultaine with viscosity of at least 1000 cps are described. Personal care compositions of the present technology include liquid hand soaps, liquid soaps and liquid bath soaps, shampoos, 2 in 1 or 3 in 1 shampoos, dandruff shampoo, facial cleansers, among others.
    公开号:BR112012010823B1
    申请号:R112012010823-9
    申请日:2010-10-19
    公开日:2020-10-06
    发明作者:Xue Min Dong；Branko Sajic；Laura Lee Whitlock
    申请人:Stepan Company；
    IPC主号:
    专利说明:

    BACKGROUND OF THE INVENTION
    The development of personal care products, including, without limitation, liquid hand soaps, liquid soaps, shampoos, 2 in 1 or 3 in 1 shampoos, bath soaps, foaming hair conditioners, facial cleansers, among others, has been driven by the challenge of offering a combination of performance properties, such as good foaming, good cleaning, good rinsing, improved smoothness and improved skin feel. Often, adding a component to a cleaning composition formulation can improve one property at the expense of another desired property of the additional composition or final product. Therefore, people skilled in the art have been looking for new formulations to help achieve the balance of desirable performance properties. Recently, there has been a tendency for personal care products to develop products that are mild and comprise ingredients that are naturally derived, rather than synthetic.
    Salts of alpha-sulfonated fatty acid esters and salts of alpha-sulfonated fatty acids have been used in detergents as primary surfactants. They have excellent foaming and cleaning properties in liquid dishwashing detergents and heavy cleaning liquids. US patents 5,615,781, 5,637,758 and 5,945,394 provide descriptions of and an overview of those hydrotropic surfactants in liquid dishwashing detergents and heavy cleaning fluids. However, due to the hydrotropic properties of salts of alpha-sulfonated fatty acid esters and salts of alpha-sulfonated fatty acid, products containing these materials generally have viscosities below 1,000 centipoise (cps) at 25 ° C. In fact, salts of sulfonated fatty acids have been used as viscosity reducing agents in liquid detergents or pastes (US patent 3,377,290). The development of viscosity in finished personal care products based on salts of alpha-sulfonated fatty acid esters and salts of alpha-sulfonated fatty acids has been a challenge in the surfactant industry for many years.
    In some cleaning applications, a higher viscosity is required for product handling or ease of application. In addition, I produce higher viscosity personal care products that are more aesthetically appealing to consumers. For example, the viscosity for a shampoo or body soap is typically greater than 2,000 cps at room temperature.
    Polymeric thickeners have been used to develop viscosity of compositions based on salts of esters of alpha-sulfonated fatty acids and salts of alpha-sulfonated fatty acids. However, the use of polymeric thickeners can change the performance of the product. This can make the product fibrous, sticky and slimy. In some cases, the polymers had a negative impact on the foaming and cleaning performance of the formulated products. In addition, polymeric thickeners are more expensive than surfactants, and they have no desirable cost / performance efficiency in cleaning products. BRIEF SUMMARY OF THE INVENTION
    The present technology concerns the discovery of surfactant thickeners that can be effectively used in combination with electrolytes to increase the viscosity of cleaning compositions comprising alpha-sulfonated fatty acid esters and / or alpha-sulfonated fatty acid salts. The present technology also refers to cleaning compositions that can be used as liquid cleaning products. The use of the surfactant thickener of the present technology further improves the foaming, cleaning and perceptual skin feeling properties of finished cleaning products comprising alpha-sulfonated fatty acid esters, alpha-sulfonated fatty acids or salts thereof.
    As an aspect of the present technology, a viscous liquid cleaning composition is provided. The cleaning composition essentially comprises or consists of a) at least one hydrotropic surfactant, such as an alpha-sulfonated fatty acid ester salt or an alpha-sulfonated fatty acid salt, preferably a mixture of an acid ester alpha-sulfonated fatty acid and alpha-sulfonated fatty acid disal. Preferably, the alpha-sulfonated fatty acid ester and / or the alpha-sulfonated fatty acid has a selected distribution of alkyl chains, for example, a C12-C18 distribution. The cleaning composition also comprises or consists essentially of b) at least one alkylbetaine or sultaine, or a mixture of two or more alkylbetaines and / or alkylsultaines, where the mixture has a selected distribution of alkyl chain lengths. The cleaning composition also comprises or consists essentially of c) from about 0% to about 3% of electrolyte or salt; d) water present in an amount to balance the total composition up to 100%; and e) optionally one or more other surfactants or additives. The composition has a viscosity of at least about 1,000 cps at 25 ° C. Current technology also refers to any product resulting from combining or mixing the preceding elements in solution.
    As another aspect of the present technology, a viscous liquid cleaning composition is provided that comprises or essentially consists of: a) from about 2% to about 70%, more preferably from about 3% to about 50%, and more preferably from about 5% to about 30% of a hydrotropic surfactant, for example, an alpha-sulfonated fatty acid ester and / or an alpha-sulfonated fatty acid, or one or more salts thereof; b) from about 1% to about 50%, more preferably from about 1% to about 30%, and more preferably from about 2% to about 20% of an alkylbetaine or sultaine; c) from about 0% to about 3% of an organic or inorganic salt or electrolyte; and d) from about 0% to about 50% of other surfactants and additives; and e) water present in an amount to balance the total composition up to 100%.
    Preferably, the composition has an active concentration of about 1.5% to about 80% and has a viscosity of at least about 1,000 cps at 25 ° C. The present technology also refers to any product resulting from the combination or mixture of the preceding elements in solution.
    As another aspect of the present technology, a process for making a viscous liquid cleaning composition is provided. The process essentially comprises or consists of the combination of a) about 2% to about 70%, more preferably about 3% to about 50%, and more preferably about 5% to about 30% of a hydrotropic surfactant, for example, an alpha-sulfonated fatty acid ester and / or an alpha-sulfonated fatty acid, or one or more salts thereof; b) about 1% to about 50%, more preferably about 1% to about 30%, and more preferably about 2% to about 20% of an alkylbetaine or sultaine; c) about 0% to about 3% of an organic or inorganic salt; and d) about 0% to about 50% of other surfactants and additives; and e) water present in an amount to complete the total composition up to 100%.
    Preferably, the resulting composition has an active concentration of about 1.5% to about 80% and has a viscosity of at least about 1,000 cps at 25 ° C. The present technology also refers to any product resulting from the combination or mixture of the preceding elements in solution.
    As yet another aspect of the present technology, processes are provided for the manufacture of liquid cleaning compositions and / or for the manufacture of alkylbetaines or sultaines to be included in such liquid cleaning compositions. Such processes may comprise preparing an alkylbetaine or an alkylsultaine or mixtures thereof having different lengths of alkyl chain, by reacting tertiary alkylamines with other reagents to form alkylbetaines or alkylsultaines. Betaines and / or sultaines can be prepared in a medium comprising an ester of sulfonated fatty acid and / or an alpha-sulfonated fatty acid, or a salt of either or both, so that the reaction product is suitable for use as a liquid cleaning composition, or a concentrate that can be diluted and combined with other surfactants and additives to provide a liquid cleaning composition.
    As yet another aspect of the present technology, a liquid cleaning composition is provided, which comprises or consists essentially of an alkylbetaine or an alkylsultaine, less than 20% by weight of anionic surfactants and less than 3% by weight of salt or electrolyte, wherein the composition has a viscosity of at least about 1,000 cps at 25 ° C. The present technology also refers to any product resulting from the combination or mixture of the preceding elements in solution.
    In several modalities of the present technology, the hydrotropic surfactant is an alpha-sulfonated fatty acid, an ester of the same or a salt of such an acid or such an ester, presented in the formula 1 structure:
    where R is a Ce-Czo hydrocarbyl group, preferably an alkyl or other hydrocarbyl group, or a combination thereof, Z is -CH3, ethyl or X, where X is H, Na, K, Ca, Mg, NH4, monoethanolammonium, diethanolammonium, triethanolammonium or a mixture thereof. The hydrotropic surfactant can be a combination of such a sulfonated fatty acid, ester or salt. R can represent an alkyl chain length distribution.
    The present compositions and formulations preferably include an alkylbetaine having the structure of Formula 2 or an alkylsultaine having the structure of Formula 3, or mixtures of said alkylbetaine and / or alkylsultaine:
    where Rx is a C8-C22z hydrocarbyl group preferably alkyl or a combination of alkyl and other hydrocarbyl groups, R 'is C1-C5 alkyl, hydroxyalkyl, alkoxylated alkyl or a combination thereof.
    The present compositions and formulations preferably include an electrolyte of one or more of the following salts: sodium chloride, potassium chloride, magnesium chloride, calcium chloride, ammonium chloride, sodium sulfate, potassium sulfate, magnesium sulfate, sodium citrate, sodium lactate, sodium glutamate and their combinations. The compositions and formulations may also include at least one other surfactant selected from the group consisting of anionic surfactants, nonionic surfactants, amphoteric surfactants, zwitterionic surfactants, semipolar nonionic surfactants, cationic surfactants and their mixtures. The additives optionally included in the present compositions and formulations can be emollients, skin or hair conditioning agents, pearlescent agents, emulsifiers, suspending agents, fragrances, dyes, herbal extracts, vitamins, adjuvants, enzymes, pH adjusters, preservatives, antibacterial agents, polymers and other ingredients commonly known in the art. BRIEF DESCRIPTION OF THE DRAWINGS
    Figure 1 illustrates the high viscosities obtained in various formulations comprising mixtures of alkyldimethylbetaines with different lengths of alkyl chain and ester salts of alpha-sulfonated fatty acid or salts of alpha-sulfonated fatty acid.
    Figure 2 illustrates the improvement in foam formation demonstrated by the modalities of the present compositions. Examples 11 to 14 demonstrate a greater volume of foam compared to example 2, with or without the presence of oil. DETAILED DESCRIPTION OF THE INVENTION
    The term "hydrotropic surfactant" refers to a compound that, simultaneously, behaves as (1) a hydrotrope, a compound with the ability to increase the solubilities of certain organic compounds slightly soluble in water and metallic salts of organic compounds, and (2) a surfactant, a water-soluble compound that reduces the surface tension of liquids or reduces the interfacial tension between two liquids or a liquid and a solid. These hydrotropic surfactants also act as scavengers for divalent metal salts and solubilizers for metal salts of organic compounds.
    The hydrotropic surfactant can be an alpha-sulfonated fatty acid, an ester of an alpha-sulfonated fatty acid, a dicationic (disal) salt of an alpha-sulfonated fatty acid, a monocationic (monosal) salt of an alpha-sulfonated ester of an fatty acid, or a mixture of any of the preceding acids, esters or salts. Preferably, the hydrotropic surfactant comprises a monocatonic (monosal) salt of an alpha sulfonated fatty acid ester and a dicationic (disal) salt of an alpha sulfonated fatty acid, the monosal to disal ratio being at least about of 1: 1. Such mono-cationic and dicationic salts can be included in an aqueous composition, such as the personal care compositions and formulations described herein. Since such salts can dissociate to some extent, a composition comprising such salts is understood to refer to a composition comprising the dissociated ions contributed by such salts, unless otherwise indicated. Therefore, technology technology includes any product resulting from the combination of a dicationic (disal) salt of an alpha-sulfonated fatty acid, a monocationic (monosal) salt of an alpha-sulfonated ester of a fatty acid, or combinations thereof, in an aqueous solution with other elements set forth herein (such as an alkylbetaine and sultaine and / or an electrolyte).
    The hydrotropic surfactant is present in the present compositions in concentrations ranging from about 1% to about 30% by active weight. Preferred compositions contain from about 2.5 to about 20% by weight of hydrotropic surfactant active. The most preferred compositions contain from about 3.5 to about 15% by weight of hydrotropic surfactant active.
    The alpha-sulfonated alkyl ester used to make the present compositions can be pure alkyl ester or a mixture of (1) a monosal of a fatty acid alpha-sulfonated alkyl ester having 8 to 20 carbon atoms, where the alkyl portion which form the ester is straight chain or branched alkyl with 1 to 6 carbon atoms and (2) a disal of an alpha-sulfonated fatty acid, the monosal to disal ratio being at least about 1: 1. The alpha-sulfonated alkyl esters used in the present technology can be prepared by sulfonating an alkyl ester of a fatty acid with a sulfonating agent, such as S03. When prepared in this way, the alpha-sulfonated alkyl esters normally contain less, not more than 33% by weight, of the alpha-sulfonated fatty acid disal that results from the hydrolysis of the ester. Preferred alpha-sulfonated alkyl esters contain less than about 10% by weight of the corresponding alpha-sulfonated fatty acid disal.
    Alpha-sulfonated alkyl esters, also known as sulfonated alkyl ester surfactants include linear esters of C8 to C2o carboxylic acid (i.e. fatty acids) which are sulfonated with gaseous SO3 according to The Journal of the American Oil Chemists Society, "52 (1975), pp. 323-329. Suitable starting materials that include natural fatty substances such as those derived from coconut, tallow, palm oil, etc.
    The preferred alpha-sulfonated fatty acid esters, alpha-sulfonated fatty acids and their salts have the structure of Formula 1:
    wherein R is a C6 -C20 hydrocarbyl group, preferably an alkyl group or a combination of alkyl and other hydrocarbyl groups; Z is straight or branched chain C 1 -C 6 hydrocarbyl, preferably an alkyl or X, where X is H, Na, K, Ca, Mg, NH4, monoethanolammonium, diethanolammonium, triethanolammonium or a mixture thereof. Exemplary products in this category include ALPHASTEP (R) PC-48, ALPHA-STEP (R) MC-48, ALPHA-STEP (R) BSS-45 and ALPHA-STEP (R) P-65 with the Stepan Company, Northfield, Illinois . R can be an alkyl chain length distribution, for example, one of the alkyl chain distributions defined below with respect to alkyl betaine and alkyl sulfates.
    The present compositions and formulations also include an alkylbetaine or an alkylsultaine. The term "alkylbetaine" refers to compounds that have the general structure of Formula 2, and the term "alkylsultain" refers to compounds that have the general structure of Formula 3:
    where R1 is a C8-C22 hydrocarbyl group / preferably an alkyl group or a combination of alkyl and other hydrocarbyl groups; R 'is C1-C5 alkyl, hydroxyalkyl, alkoxylated alkyl or a combination thereof. It follows from formula 2 above that the term alkylbetaine does not include alkylamidopropylbetaínasz and that the term alkylsultaine does not include alkylamidopropylsultaines. The present technology is based, in part, on the surprising discovery that formulations comprising alkylbetaines and / or alkylsultaines have better properties than comparable formulations comprising cocoamidopropyl betaine. This is surprising because, in many prior art cleaning compositions, cocoamidopropyl betaine is a preferred betaine.
    The present compositions and formulations preferably include a mixture of two or more alkylbetaines and / or alkylsultaines having different lengths of alkyl chain. For example, two or more alkylbetaines and / or alkylsultaines can be included in order to provide a selected distribution of alkyl chain lengths in the alkylbetaines and / or alkylsultaines present in the composition or formulations. As discussed in more detail below, it has surprisingly been found that a mixture of alkylbetains having different lengths of alkyl chain can improve viscosity development and foaming properties. The mixture of alkylbetaines or alkylsultaines may have a selected distribution of alkyl chain lengths, such as a C8-C22 distribution, a C8-C20 distribution, a C8-C18 distribution, a C8-C16 distribution, a C8-C14 distribution, a C8-C12 distribution, a C8-C10 distribution, a C10-C22 distribution, a C10-C20 distribution, a C10-C18 distribution, a C10-C16 distribution, a C10-C14 distribution, a C10-C12 distribution, a distribution C12-C22, a C12-C20 distribution, a C12-C18 distribution, a C12-C16 distribution, a C12-C14 distribution, a C14-C22 distribution, a C14-C20 distribution, a C14-C18 distribution, a C14 distribution -C16, a C16-C22 distribution, a C16-C20 distribution, a C16-C18 distribution, a C18-C22 distribution, a C18-C20 distribution or a C20-C22 distribution. Preferably, a mixture of alkyldimethylbetaines or alkyldimethylsultaines has a C8 to C22 distribution of alkyl chain lengths, more preferably a C12 to C18 distribution; more preferably a C12 to Cl6 distribution. Preferred alkyl chain ratios between C8, or CIO, or C12 or C14, or any combination of these for C16, or C18, or C20 or C22, or any combination of these are from about 5/95 to about 30 of 95/5. The alkylbetaine mixture can be, for example, a mixture of two or more of cetyldimethylbetaine, cocodimethylbetaine, steryldimethylbetaine, beenylbetaine and lauryldimethylbetaine.
    As yet another aspect of the present technology, processes are provided for the manufacture of liquid cleaning compositions and / or for the manufacture of alkylbetaines or sultaines to be included in such liquid cleaning compositions. A process is provided for the manufacture of a mixture comprising one or more alkylbetaines or alkylsultaines having different lengths of alkyl chain by combining a mixture of tertiary alkylamines (for example, cetyldimethylamine and cocodimethylamine) and reacting the tertiary alkylamines with other reagents (for example) example, monochloroacetic acid). An advantage of this process is to avoid the high viscosity or gelation of an alkylbetaine or sultaine having an alkyl chain length greater than C 1. Another process is provided to make one or more alkylbetaines or alkylsultaines by adding one or more tertiary alkylamines to a diluent comprising water and an ester of sulfonated fatty acid and / or an alpha-sulfonated fatty acid, or a salt of either or both , and reacting the tertiary alkylamine (s) with other reagents (for example, a halocarboxylic acid). Either or both of the previous processes for making an alkylbetaine or alkylsultaine or mixtures of betaines and / or sultaines can be incorporated into a process for the manufacture of a cleaning composition. For example, a process for making a liquid cleaning composition may comprise preparing a mixture of alkyldimethylbetaines by combining cocodimethylamine and cetyldimethylamine in ALPHA STEP® PC-48, which includes water and sulfonated fatty acids, esters thereof and salts of the same and react the tertiary amines with monochloroacetic acid to form a four-component system of cetyldimethylbetaine, cocodimethylbetaine, sodium sulfonated Ci2-Ci8 methyl ester and disodium sulfonated Ci2 ~ Ci8 fatty acid.
    The present technology also provides concentrates for liquid cleaning compositions. Such concentrates can be diluted with water or another solvent and optionally combined with other surfactants, salts and / or additives to provide a liquid cleaning composition suitable for end use.
    The present compositions and formulations can also comprise one or more electrolytes. The term "electrolyte" includes substances that will provide ionic conductivity in water or in the present compositions and formulations, or when in contact with them; such substances can be solid or liquid. The term "salt" includes ionic compounds that provide one or more electrolytes when dissolved in water or when in contact with it. The salt (s) may be organic or inorganic (s). Preferred salts are sodium chloride, potassium chloride, magnesium chloride, calcium chloride, ammonium chloride, sodium sulfate, potassium sulfate, magnesium sulfate, sodium citrate, sodium lactate, sodium glutamate and combinations thereof. Preferred electrolytes are those that result from the dissociation of preferred salts. The salts are typically solid before addition or inclusion in the present liquid cleaning compositions, but then dissociate partially or completely, in order to supply electrolytes in the liquid compositions.
    The cleaning composition of the present technology may also contain other optional ingredients suitable for use, such as other surfactants and additives. Additional surfactants can be anionic, non-ionic, amphoteric, zwitterionic, non-ionic semipolar, cationic and their mixtures.
    Examples of anionic surfactants suitable for use with the present technology include, without limitation, sulfonated alkylbenzenes, sulfonated alpha-olefins, sulfonated paraffin, alkylsulfates, alkylalkoxysulfates, alkylalkoxycarboxylates, alkylphosphosylsulfonylsulfonylsulfonylsulfonates, alkylsulfonylsulfonylsulfonylsulfonylsulfonylsulfonylsulfonylsulfonylsulfonylsulfonylsulfonylsulfonylsulfonylsulfonylsulfoxylsulfoxylsulfates: , alkylsulfosuccinates, alkylalkoxysulfosuccinates, acylglutamates, aquylsarcosinates, acylmethyltaurates, acylisethionates, acylaminoacetates and combinations or mixtures thereof. Other examples are provided in '' Surface Active Agents and Detergents "(Vols. I and II by Schwartz, Perry and Berch), the content of which is incorporated by reference. Other examples of anionic surfactants suitable for use with the present technology are also generally disclosed under the title "Anionic Detergents" in U.S. Patent No. 3,929,678, issued on December 30, 1975 to Laughlin, et al., in column 23, line 58 through column 29, line 23, the content of which is hereby incorporated herein by reference.
    Examples of nonionic surfactants suitable for use with the present technology include, without limitation, alkyl glycosides, alkyl polyglycosides, alkyl alcohols, ethoxylated alkyl alcohols, alkyl phenyl ethoxylates, propylene glycols, propylene glycol esters, ethylene glycol esters, glycol ester esters, glycol esters, glycol esters, glycol esters, glycol esters, glycol esters, glycol esters, glycol esters, glycol esters, glycol esters, glycol esters, glycol esters, glycol esters, glycol esters, glycol esters, glycol esters. sucrose, sucrotriglycerides, alkoxylated alkyl fatty esters, alkylglucamides, sorbitan esters, sucrose triglycerides, polyglycerol esters, fatty acid amides, ethoxylated fatty acid amides, alkyl lactyl lactates and combinations thereof. Other examples of nonionic surfactants suitable for use with the present technology are also generally disclosed in U.S. Patent No. 3,929,678, issued December 30, 1975 to Laughlin, et al., In column 13, line 14 through column 16 , line 6, the content of which is incorporated by reference.
    Examples of cationic surfactants suitable for use with the present technology include, but are not limited to, alkyldimethylammonium halide, quaternized cellulose, quaternized guar gum, TEA esterine esterquat, amidoquat and stearylamidopropyl dimethylamide quat, and combinations thereof. Other examples of cationic surfactants suitable for use with the present technology are also generally disclosed in American Patent No. 4,228,044, Cambre, issued October 14, 198 0, the content of which is incorporated herein by reference.
    Examples of zwitterionic surfactants suitable for use with the present technology include, without limitation, amine oxides, amidopropyl betaine, amidopropyl cultin, amphacetates and propionates. Other examples of zwitterionic surfactants suitable for use with the present technology are also generally disclosed in U.S. Patent No. 3,929,678, to Laughlin et al., Issued on December 30, 1975, in column 19, line 38 through column 22, line 48, the content of which is incorporated by reference.
    Polymeric additives and rheological modifiers suitable for use with the present technology can be polymers or copolymers, and can be in anionic, nonionic, amphoteric or cationic forms. Polymeric additives suitable for use with the present technology are preferably water-soluble or water-dispersible. Some examples of polymeric additives of the present technology include, but are not limited to, polyacrylic acids and their salts, polyacrylates, polyacrylamides, acrylate and acrylamide copolymers, acrylate and hydroxyester acrylate copolymers, polyvinyl alcohols, polyvinyl acetates, polyethylene glycols, polyethylene glycols, polyethyleneglycols, polyethyleneglycols, polyethyleneglycols, , hydroxyethyl cellulose, hydroxymethylcellulose, modified starches, modified xanthan pyrrogoma, cationic cellulose, cationic starches, modified guar gum, vinylpyrrolidone and dimethylaminoethylmethacrylate copolymers, vinylpyrrolidone and vinyl acetate, polyolene glycol copolymers, copolymers derivatives and their combinations.
    Other optional ingredients suitable for use with the present technology include, for example, emollients, skin conditioning agents, emulsifiers / suspending agents, fragrances, dyes, herbal extracts, vitamins, adjuvants, enzymes, pH adjusters, chelators, amino acids, modifiers sensory, skin wrinkle reduction agents, ultraviolet absorbers, exfoliating agents, preservatives and antibacterial agents. Some examples of emollients suitable for use with the present technology include, without limitation, vegetable oils, mineral oils, silicone oils, 10 petrolatums, methyl polyglycerol esters, esters, glycerin and free fatty acid.
    The cleaning compositions of the present technology have a viscosity at 25 ° C of at least about 1,000 cps, alternatively of at least about 1,500 cps, alternatively of at least about 2,000 cps, alternatively of at least about 2,500 cps, alternatively at least about 3,000 cps and alternatively at least about 3,500 cps. The preferred viscosity range is between 1,000 and 50,000 cps. The most preferred viscosity is between 2,500 and 20,000 cps. The most preferred viscosity range is between 3,500 and 15,000 cps.
    The cleaning compositions of the present technology have also demonstrated an improvement in foaming and skin feel over existing cleaning compositions. These benefits will be demonstrated with the examples provided.
    In yet another embodiment of the present technology, it has surprisingly been found that alkylbetaines or 30 sultaines with a selected distribution of alkyl chain lengths exhibit better viscosity development and foaming properties compared to "narrow cut" alkylbetaines or sultaines. "Narrow cut" refers to a narrow alkyl chain distribution, such as in laurylbetaine or stearylbetaine. The selected distribution of alkyl chain lengths can also improve the processability of long chain betaines or sultaines, such as cetylbetaine, stearylbetaine, beenylbetaine, cetilsultaine, serylsultaine and beenilsultaine. It was also found that alkylbetaines or sultaines with the selected alkyl chain distribution were more efficient in developing the viscosity of compositions based on anionic surfactants compared to the commonly used cocoamidopropyl betaine. The synergy of the alkylbetaine delivery mixtures will be demonstrated in the examples provided.
    Some suitable liquid cleaning compositions of the present technology that comprise hydrotropic surfactants include, for example, personal care skin cleansers and hair care products. Personal care compositions can comprise hydrotropic surfactants, such as those of Formula 1, for example, in an amount of about 0.1% to about 99%, alternatively from about 0.5% to about 99%, alternatively from about 1.0% to about 99%, alternatively from about 1.0% to about 80%, alternatively from about 2% to about 70%, alternatively from about 2% to about 60% %, alternatively from about 3% to about 50%, alternatively from about 5% to about 30%, alternatively from about 5% to about 20%, by weight of the compositions' assets. The present technology also concerns cleaning or personal care concentrates that include at least about 20%, alternatively at least about 30%, alternatively at least about 40%, alternatively at least about 50%, alternatively at least about 60%, alternatively at least about 70% of a hydrotropic surfactant, such percentages being by weight of assets in the concentrate. The precedent includes any range or percentage between them.
    Some embodiments of the present technology provide a composition of a personal care product, including about 1% to about 85%, by weight of assets of the composition of at least one alkylbetaine or sultaine, preferably from about 1% to about 50%, more preferably from about 1% to about 30%, more preferably from about 2% to about 20% by weight of said alkylbetaine or sultaine assets. Alternatively, at least one alkylbetaine or sultaine can be from about 1% to about 75%, from about 1% to about 60%, from about 1% to about 50%, from about 1% to about 40%, about 1% to about 30%, about 2% to about 20%, about 2% to about 15%, about 3% to about 10%, or about 3% to about 5%. The present technology also refers to cleaning or personal care concentrates that include at least one alkylbetaine or sultaine in an amount of about 5% to about 70%, alternatively from about 5% to about 60%, alternatively from about 5% to about 50%, - alternatively from about 5% to about 40%, alternatively from about 5% to about 30%, alternatively, and from about 5% to about 20 %, alternatively from about 5% to about 10%, 5 alternatively from about 10% to about 60%, alternatively from about 10% to about 50%, alternatively from about 10% to about 40% , alternatively from about 10% to about 30%, alternatively from about 10% to about 20%, 10 alternatively from about 15% to about 60%, from about 20% to about 40% by weight of the composition, alternatively from about 1% to about 10%, from about 1% to about 20%, alternatively between about 5% and about 30% by weight of the concentrate. The precedent includes any percentage or range between them.
    Some embodiments of the present technology provide a liquid cleaning composition comprising from about 0% to about 3% by weight of the composition's assets of at least one electrolyte, or a liquid cleaning composition 20 prepared from components including about 0.5% to about 2% active by weight of the composition of at least one salt. In some embodiments of the present technology, the compositions as described above further comprise an additional surfactant. The surfactant can be from about 0.1% to about 85% by weight of the personal care composition assets, preferably from about 0.1% to about 50% by weight of the composition assets of personal care, alternatively from about 0.1% to about 30% by weight of assets. Alternatively, the additional 3 surfactant can be from about 0.1% to about 75%, from about 0.1% to about 60%, from about 0.1% to about 50%, from about from 0.1% to about 40%, from about 0.1% to about 30%, from about 0.1% to about 20%, from about 0.1% to about 15%, from about 0.1% to about 5 10%, from about 0.1% to about 5%, alternatively from about 1% to about 75%, from about 1% to about 60%, about 1% to about 50%, about 1% to about 40%, about 1% to about 30%, about 1% to about 20%, about 1% to about from 15%, from about 1% to about 10 to 10%, from about. from 1% to about 5%, alternatively from about 5% to about 70%, alternatively from about 5% to about 60%, alternatively from about 5% to about 50%, alternatively from about 5 % to about 40%, alternatively from about 5% to about 30%, 15 alternatively from about 5% to about 20%, alternatively from about 5% to about 10%, alternatively from about 10% about 60%, alternatively from about 10% to about 50%, alternatively from about 10% to about 40%, 20 alternatively from about 10% to about 30%, alternatively from about 10% to about 20%, alternatively about 15% to about 60%, about 20% to about 40% by weight of the composition, alternatively about 1% to about 10%, about 25 1% at about 20%, alternatively between about 5% and about 30% by weight of the composition's assets, and includes any percentage or range between them.
    The liquid cleaning compositions described herein are preferably in the form of liquids in which water is the main carrier / vehicle / diluent.
    Alternatively, although less preferred, other solvents such as alcohols can be used in combination with water. The amount of water in a liquid cleaning composition is preferably from about 3% to about 99% by weight of the composition. A sufficient amount of water can be added to balance the total composition up to 100%.
    Again, as will be perceived by at least those skilled in the art, a variety of carriers, vehicles, thinners and the like is suitable for use in the practice of this technology in a non-exhaustive manner. Thus, it will also be realized that the terms carrier, vehicle and diluent must be considered non-exhaustive and interchangeable with respect to the present technology and in the description of the various formulations, applications, compositions, etc.
    In some embodiments of the present technology, Formula 1 compositions can be included in personal care products or hair care products to help solubilize water-insoluble ingredients, reduce viscosity and increase or reduce foaming capacity . The personal care compositions of the present technology can be formulated to provide a desirable viscosity and foaming capacity, depending on the application. For example, finger pump or pumpable foam hand cleaners may be desirable, which have a viscosity that is pleasant to the touch, but allowing an adequate amount of the formulation to be readily supplied through an appropriately sized opening of an apparatus. pump pumped by hand.
    In some embodiments of the present technology, the addition of an alpha-sulfonated fatty acid ester salt or an alpha-sulfonated fatty acid salt according to Formula 1 can be used to adjust the viscosity of the products to suit the intended use or the specifications of the regions or countries where the personal care composition is used. For example, formulations with a viscosity of about 1,000 cPs (i.e., centipoises) up to about 3,000 cPs are contemplated for some applications, while viscosities of about 2,000 cPs to about 20,000 cPs as measured at 25 ° C using a Brookfield viscometer model RVT, with spindle # 4 or # 5, with a speed of about 20 rpm are contemplated for other applications. The formulations of the technology described herein can be used alone as a liquid cleansing composition, preferably as a liquid body soap, liquid hand soap, facial cleanser, shampoo, foam-forming hair conditioner or the like. Alternatively, other optional ingredients can be added to make the present compositions more preferable for a variety of different uses, such as a pumpable liquid hand cleaner, 2 in 1 shampoo, gel body soap, liquid soap for the bath, liquid dish soap, liquid detergent, among other final products.
    Optionally, the composition of the personal care product can include at least one additive. Suitable additives include, but are not limited to, for example, viscosity modifiers, electrolytes, thickeners, emollients, skin conditioning agents, emulsifying / suspending agents, fragrances, dyes, herbal extracts, vitamins, adjuvants, enzymes, pH, chelators, amino acids, sensory modifiers, skin wrinkle reduction agents, ultraviolet absorbing agents, exfoliating agents, preservatives, antimicrobial agents (for example, antibacterial agents, antiviral agents, antifungal agents, antiprotozoal agents, anti-helminth agents, combinations of among others), anti-dandruff agents and other ingredients commonly known in the art.
    For example, additional thickeners can be added, if necessary, to achieve a desired viscosity for a particular cleaning composition. Such thickening agents can include, for example, monomeric thickening agents, such as esterquat, amidoquat, stearylamidopropyl dimethylaminequat or polymeric thickening agents, such as cellulosic polymers and acrylic polymers and copolymers. Alternatively, cleaning products can be thickened using polymeric additives that hydrate, swell or molecularly combine to provide consistency, such as hydroxypropyl gum. Other suitable thickening agents may include, without limitation, those listed in the Glossary and Chapters 3, 4, 12 and 13 of the Handbook of Water-Soluble Gums and Resins, Robert L. Davidson, McGraw-Hill Book Co., New York, NY 1980, the complete article of which is incorporated here. Additional fatty acid soaps, adjuvants and surfactants can be added to aid in cleanability. Emollients (including, without limitation, vegetable oils, mineral oils, silicone oils, petrolatum, polyglycerol methyl esters and esters), skin conditioning agents (such as glycerin and free fatty acid), vitamins and herbal extracts can be added to further improve conditioning performance. Fragrances, dyes, opacifying agents and opalescent agents can also be added to further improve the appearance and olfactory property of the finished formulation.
    Adjuvants suitable for use in the practice of the present technology are, for example, those agents used in cleaning compositions whose main purpose is to counter the harmful effects of polyvalent cations, such as calcium and magnesium on detergency. In addition, adjuvants serve to increase the detergent efficiency and the effectiveness of surfactants and to supplement their beneficial effects on removing dirt. Examples of adjuvants suitable for use in the practice of the present technology include, but are not limited to, sodium citrate, polycarboxylate, sodium carbonate, sodium aluminosilicate (e.g., zeolite A, commercially available from PQ Corporation, Valley-Forge, Pennsylvania), among others. Additional adjuvants suitable for use in the practice of the present technology are described in "Surfactants and Interfacial Phenomena", Third Edition, by Milton J. Rosen published by John Wiley & Sons, Inc. Hoboken: New Jersey (2004), with such examples being incorporated herein by reference.
    Preservatives for use in the formulations of the present technology are any preservatives suitable for personal care products and include, but are not limited to, acids and phenolics, for example, benzoic acid and salts, sorbic acid and salts, propionic acid and salts, boric acid and salts, dehydroacetic acid, sulfurous and vanillic acids, Ottasept® (which is available from Ottawa Chemical Company (Toledo, OH)), Irgasan DP 300® (which is available from Geigy Chemical Corporation (Ardsley, NY)). Additional preservatives suitable for personal care products can be found in Preservatives for Cosmetics Manual, Second Edition, by David S. Steinbens, 2 006, which is incorporated herein by reference in its entirety.
    Antimicrobial agents suitable for use in the practice of the present technology include, but are not limited to, one or more antibacterial agents, antiviral agents, antiprotozoal agents, anthelmintic agents, antifungal agents and their derivatives, or combinations thereof. For example, suitable antimicrobial agents can be found in McCutcheons'2009 Functional Materials of North American Edition, Volume 2, 2009, pages 239-246, which is incorporated herein by reference in its entirety.
    Other suitable antimicrobials include, but are not limited to, the LDL antimicrobial components, triclosan, n-alkyldimethylbenzylammonium chloride, n-alkyldimethylbenzylammonium chloride, dialkyldimethylammonium chloride, didecyldimethylammonium chloride, dioctyl chloride, phenylethylethyl chloride, salts methyl, morpholine, silver, copper, bromine and quaternary ammonium compounds, derived therefrom and combinations thereof, including, but not limited to, polyquaternity series as used in hand soap formulations, and 3,4,4 '-trichlorocarbanilide, as disclosed in US 6,605,579.
    Additionally, silicone derivatives, for example, a dimethylpolysiloxane, can be used to improve skin feel and conditioning properties for hair. In addition, an anti-dandruff agent can be used to control dandruff on a human's scalp.
    The compositions and methods of producing such compositions herein can be formulated and carried out in such a way that they will have a pH between about 4.0 to about 8.5, preferably between about 5.0 to about 7, 0, alternatively between about 5.0 to about 6.5, alternatively, between about 5.0 to about 6.0.
    Techniques to control pH at recommended usage levels include the use of buffers, bases, acids, etc. , and are well known to those skilled in the art. Optional pH adjusting agents may include, but are not limited to, citric acid, succinic acid, phosphoric acid, sodium hydroxide, sodium carbonate and the like. EXAMPLES
    The following examples further describe the present technology in detail. These examples are not intended to limit the scope of this invention, since the variations will be apparent to those skilled in the art. Performance evaluation
    Table A provides the trade names and description of the various components used in the exemplary compositions of the present technology. Table A Business Names and Abbreviations



    Each of the exemplary compositions, as well as any compositions labeled "control composition" were prepared in deionized water. The materials used in all examples are expressed as a percentage of an active material. The final pH of each composition was adjusted to between 5 and 6 using a 25% solution of sodium hydroxide or citric acid. Viscosity Determination Test Method:
    Viscosity was measured with a Brookfield RVT viscometer using the number 4 or number 5 spindle at a speed of 10 or 20 rpm. The viscosity of some formulations was also determined with a Rheologist AR2000 rheometer (with TA Instruments) using a 4 cm cone-dish geometry at 25 ° C and a 1 1 / s shear rate (reciprocal). Cylinder Inversion Foam Test Method:
    1. Prepare a 0.2% active sample solution in tap water at 25 ° C.
    2. Add 100.0 g of the 0.2% sample solution to a 500 mL graduated cylinder. Keep the foam to a minimum.
    3. Add 2.0 g of castor oil to the graduated cylinder and cap the cylinder.
    4. Place the graduated cylinder in the foam machine by mechanical stirring. Invert the cylinder 10 times.
    5. Allow the foam to settle for 15 seconds. Record an initial full foam height reading. Record the foam height again after 5 minutes. Human Panel Test Method:
    The evaluation of skin sensation for the examples was performed using a panel test from human experts in vivo. Three to twelve participants trained with different skin types (dry, normal and wet) were chosen for each test. The participant's skin type was determined using a moisture meter available from Nova Technology Corporation, Portsmouth, New Hampshire, referred to herein as the Nova meter. A Nova meter reading of less than 100 represents dry skin, from 110 to 130, normal skin and from 130 or above, wet skin. Participants were asked to individually evaluate the performance of each tested composition on a scale of 1 to 5, with 1 being the worst and 5 being the best. The individual evaluations of the participants were then weighted and recorded for each tested composition.
    In the test that used a control composition, the results of each one are shown in table 6 provided below, the average score of the control composition was subtracted from the score of each test composition to arrive at a relative comparison number. The control sample score for each property is zero, and the scores for the test compositions are positive, negative, or zero. A positive number therefore indicates that the tested formulation performed better than the control. A negative number indicates that the formulation performed worse than the control, and zero indicates an equal performance between the sample and the control.
    During the tests, participants were asked to wash their hands according to the procedure described below, and to assess the following characteristics during the washing and drying procedure: sudden foam, foam sensation, foam volume and stickiness. Skin smoothness, skin dryness and skin tightness were assessed after the skin was completely dry. To identify stickiness during drying, participants were instructed that some products can transmit a sticky / sticky sensation on the skin during the transition from a wet to dry stage. Stickiness can be assessed by touching the fingers of the same hand together or by the force necessary to separate the fingers. To identify skin stiffness when dry, participants were instructed that some products may leave the skin feeling stiff or stretched after the skin is completely dry. Participants were instructed that this property should not be evaluated until the participant is sure that the hands are completely dry. Likewise, skin dryness was assessed as the hands were completely dry. To identify the smoothness of the skin, the participants were instructed to characterize how smooth and soft the skin feels when touched. A product can often leave the skin feeling dry but soft. The positive end could be a smooth and velvety sensation, and the opposite would be a feeling of rough skin with a certain sandiness. All samples were coded in order to obtain a fair and impartial comparison. For each composition:
    1. Participants were asked to pre-wash their hands with the makeup, to remove skin residues and establish the baseline before the assessment.
    2. The tests were performed using warm tap water (95 ° F and 105 ° F).
    3. Using a syringe, 1 mL of the 15% liquid cleaning product was dispensed in the participant's palm, followed by 1 mL of water.
    4. Participants were asked to wash their hands gently by rubbing them together for 30 seconds, followed by rinsing under running water for 15 seconds.
    5. The foam generated during the hand washing process was collected and transferred to a graduated beaker. The foam volume was measured and recorded.
    6. The evaluation of the skin sensation was made at room temperature (25 ° C). Half Head Salon Test Method:
    1. Comb dry hair and divide into 2 parts (half of the head). Completely wet the hair.
    2. Use a disposable syringe, apply 4 mL of each shampoo, control, on one side, and test on the other side.
    3. Wash each side using eight circular motions to produce foam.
    4. Assess the control and experimental shampoo for foam volume, density, stability, and rinse capacity.
    5. Rinse your hair with tap water for 10 seconds. Repeat procedures 1 to 4 using 2 mL of each shampoo. Then rinse for 10 seconds.
    6. Evaluate the control and experimental shampoo for foam volume, density, stability, and rinse capacity.
    7. Using a plastic comb, after the second head wash, evaluate the hair for deinterlacing properties and wet combing properties.
    8. Blow-dry your hair and evaluate its ability to comb dry, static, volume and shine.
    The performance of each composition was tested on a scale of 0 to 3 compared to the control, with 0 being equal performance, 1 being slightly better, 2 being remarkably better and 3 being obviously better. The individual evaluations of each participant were then weighted and recorded for each composition tested.
    Examples 1 to 10 in Table 1 illustrate high viscosity cleaning compositions of the present technology comprising an alpha-sulfonated fatty acid ester salt and an alpha-sulfonated fatty acid salt in combination with alkyldimethyl betaine. Controls 1 and 2 are formulations with alkylamidopropyl betaine in combination with an alpha-sulfonated fatty acid ester salt and an alpha-sulfonated fatty acid salt. Example 7 and control 1 are derived from the same source of the cocoalkyl chain (C8-C18). Example 8 and control 2 are derived from the same laurylalkyl chain (C12) source. However, the formulations differ in that Examples 7 and 8 contain an alkyl betaine, while controls 1 and 2 contain an alkyl starch propyl betaine. Under the same test conditions, examples 7 and 8 have a viscosity of more than 3,000 cps, whereas control formulations 1 and 2 have viscosities of 200 cps or less. These results suggest that alkyldimethylbetaine without the starch bond is the key molecular structure for developing the viscosity of compositions based on alpha-sulfonated fatty acid esters and alpha-sulfonated fatty acid salts.
    Examples 11 to 19 in table 2 demonstrate mixtures of alkyldimethylbetains having different lengths of alkyl chain as thickeners for compositions with an alpha-sulfonated fatty acid ester salt and an alpha-sulfonated fatty acid salt. These mixtures of alkyldimethylbetains can efficiently develop the viscosity of formulations based on an alpha-sulfonated fatty acid ester salt or an alpha-sulfonated fatty acid salt. Comparing example 19 with control formulation 3, it was also demonstrated that the alkyldimethyl structure is the key to the development of the viscosity of compositions based on an alpha-sulfonated fatty acid ester salt and an alpha-fatty acid salt. sulfonated. By adding the appropriate salt concentration, viscosity in excess of 10,000 cps can be achieved for some of the exemplary formulations. The salt response to the viscosity of example 2 and examples 11 to 14 is illustrated in Figure 1. Examples 17 and 18 are examples of personal care concentrates.
    In addition, it has been surprisingly found that a selected distribution of alkyl chain lengths in an alkyldimethylbetaine mixture can improve the foaming performance of a cleaning composition comprising alpha-sulfonated fatty acid ester salts and alpha fatty acid salts -sulfonates compared to a "pure cut" alkyldimethylbetaine such as cetylbetaine (C16). The improvement in foaming is shown in Figure 2. Examples 11 to 14 demonstrate a higher volume of foam compared to example 2 with or without the presence of castor oil. Examples 11 through 14 also have an equal foaming performance compared to control formulation 4, which is the cleaning composition most commonly used in personal care applications today.
    Viscous liquid cleaning compositions comprising an alpha-sulfonated fatty acid ester salt and / or an alpha-sulfonated fatty acid salt can also be combined with other surfactants and additives. Examples 20 to 40 in Tables 3 and 4 demonstrate the concept of combining the present technology with other surfactants and additives.
    Examples 41 and 42 are described in table 5 and they demonstrate that alkyldimethylsultaines provide a similar advantage to alkyldimethylbetaines in developing the viscosity of compositions based on an ester salt of alpha-sulfonated fatty acid and / or a fatty acid salt alpha-sulfonated. However, controls 5 and 6 demonstrate that alkylamidopropylsultaines do not have the same viscosity development advantage as alkyldimethylsultaine. These results again show that the alkylbetaines or alkylsultaines are significantly and surprisingly different compared to the alkylamidopropylbetaines or alkylamidopropylsultaines in terms of viscosity development of cleaning compositions based on hydrotropic surfactants.
    The thickening effect of alkylbetaines or alkylsultaines has been described in great detail in the examples above. In addition, it was surprisingly found that viscous liquid cleaning compositions comprising an alpha-sulfonated fatty acid ester salt and an alpha-sulfonated fatty acid salt with the selected chain distribution of alkylbetaine improved the foaming performance and the subsequent sensation of the skin, based on the hand washing test of the expert panel in vivo. The performance of examples 13 and 23 using the expert panel in vivo was compared to control 4. The results of this study are shown in table 6.
    The scores given in table 6 represent the average number using twelve participants. The results demonstrate that the participants preferred the experimental formulations for the control both in the formation of foam and in the posterior sensation of the skin. New foam formation and foam volume for experimental formulations of the present technology performed significantly better compared to the control. The foam volume for examples 13 and 23 is 55% and 65% higher respectively compared to control 4.
    Example 23 of the present technology was tested as a shampoo using the half-head salon test method against control 4 and a leading commercial shampoo. The average results of the three participants are shown in table 7. The results in table 7 show that the composition of the present technology (example 23) had a better foaming than both control 4 and 5 the leading commercial shampoo.
    Table 1. Examples of Thickened Cleaning Compositions Based on Alpha-Sulphonated Fatty Acid Esters and Alpha-Sulphonated Fatty Acids (ALPHA-STEP® PC48) and Alkildimethylbetaines

    Table 2. Examples of Thickened Cleaning Compositions Based on Alpha-Sulphonated Fatty Acid Esters and Alpha-Sulphonated Fatty Acids (ALPHA-STEP® PC ^ 8) and Alkyl dimethylbetain Mixtures

    Table 3. Examples of thickened cleaning compositions based on alpha-sulphonated fatty acid esters and alpha-sulphonated fatty acid salts (ALPHA-STEP® PC-48), alkyldimethylbetaines and other additives

    Table 4. Examples of Thickened Cleaning Compositions Based on Alpha-Sulphonated Fatty Acid and Alpha-Suifonated Fatty Acid Salts (ALPHA-STEP® PC-48), Alkenldimethylbetaines and Other Additives

    Table 5. Examples of Thickened Cleaning Compositions Based on Alpha-Sulphonated Fatty Acid and Alpha-Sulphonated Fatty Acid Salts (ALPHA-STEP® PC-48) and Alkildimethylsultine

    Table 6. Performance Results of Hand Washing In Vivo (12 participants)

    Table 7. Results of the Half Head In Vivo Salon Test (3 participants)


    Yet another advantage of the present technology is the ease of manufacturing alkylbetaines containing higher concentrations of cetyl (C16) and stearyl (C18) chain lengths.
    A "pure cut" of cetylbetaine or stearylbetaine can be difficult to handle due to the very high viscosity and its propensity to queue. It was surprisingly found that a selected distribution of alkyl chain lengths in an alkylbetaine mixture could significantly improve the processing and handling of these products, due to a decrease in viscosity. The mixture of alkylbetaine is preferred and can preferably be made directly from a tertiary alkylamine feed to avoid the high viscosity (gelation) of cetylbetaine or stearylbetaine. Examples 44 to 46 in Table 8 demonstrate the benefit of mixing alkylbetaine with broad carbon distribution as compared to the "pure cut" of cetylbetaine, example 43. The preferred alkyl chain distribution between C8 / or Cio, or 012 / or Ci4, or the combination of these with Ci6, or Cx8, or C20, C22 or the combination of these is about 1/10 to about 10/1.
    The mixture of alkylbetaines or sultaines improved foaming compared to betaine or sultaine with single chain alkyl length or "pure cut" alkyl chain length greater than CX4 ■ The mixture of alkylbetaines or sultaines also has properties thickening methods compared to betaine or sultaine with single alkyl length or "pure cut" alkyl chain distribution less than or equal to C14.
    The mixture of alkylbetaine with a selected alkyl chain length distribution works as a very efficient thickener through the traditional alkylamidopropylbetaine used in liquid cleaning systems. The efficiency of the alkylbetaine mixture as a thickening agent is demonstrated by examples 47 to 58 in table 9. These examples can be compared between the following pairs: example 47 vs example 48; example 49 vs example 50; example 51 vs example 52; example 53 vs example 54; example 55 vs example 56; and example 57 vs. example 58. At the same usage concentration, the mixture of alkyldimethylbetaine is significantly more efficient than alkylamidopropylbetaine in thickener surfactant solutions.
    Examples 59 and 60 illustrate liquid cleaning formulations containing surfactants and other additives such as skin and hair conditioning agents, foam adjuvants, humectants, polymers, dyes, fragrances, opacifying agents, pH adjusters, preservatives and other desired additives or functional materials. These formulated examples demonstrated the desired viscosity without additional salt.
    Examples 61, 62 and 63 illustrate liquid cleaning formulations containing alpha-sulfonated fatty acid salts and alpha-sulfonated fatty acids with different alkyl chain distributions, together with an alkylbetaine. These formulated examples provide another demonstration that the present technology provides thickened cleaning compositions with excellent foaming properties.
    Table 8. Comparison of Handling of Alkyldimethylbetaine Mixtures with Narrow Carbon Distribution Cetylbetaine

    Table 9. Comparison of Alkylldimethylbetaine with Alkylamidopropiibetaine as Thickeners for Different Anionic Surfactants

    Table 10. Examples of Liquid Cleaning with Additives


    Table 11. Liquid Cleaning Compositions with Alpha-Sulphonated Fatty Acid Esters and Alpha-Sulphonated Fatty Acids of Different Alkyl Chain Lengths

    CONCLUSION
    The modalities and examples described herein are illustrative and do not limit the technology currently described in any form. The scope of this technology described in this specification is the total scope defined or implied by the claims. In the specification and claims, the use of the singular includes the plural, except where specifically indicated. In addition, any references noted in this 10 specification are hereby incorporated by reference in their entirety, unless otherwise stated.
    权利要求:
    Claims (7)
    [0001]
    1 Cleaning composition, CHARACTERIZED by the fact that it consists of: a) at least one hydrotropic surfactant selected from the group consisting of an alpha-sulfonated fatty acid, an ester thereof, a salt of said acid or said ester, or a combination thereof having the Formula 1 structure:
    [0002]
    2. Cleaning composition according to claim 1, characterized by the fact that in Formula 1, Z is -CH3, ethyl or X.
    [0003]
    3. Cleaning composition according to claim 1, CHARACTERIZED by the fact that the electrolyte is one or more of the following salts: sodium chloride, potassium chloride, magnesium chloride, calcium chloride, ammonium chloride, sulfate sodium, potassium sulfate, magnesium sulfate, sodium citrate, sodium lactate, sodium glutamate and mixtures thereof.
    [0004]
    4. Viscous liquid cleaning composition, according to claim 1, CHARACTERIZED by the fact that it comprises: a) 2% to 70% by weight of a hydrotropic surfactant active; b) 1% to 50% by weight of the active ingredient of a mixture of alkyl betaine and / or alkyl sulfates; c) from 0% to 3% by weight of electrolyte assets; d) 0% to 50% by weight of other surfactants and additives assets; e) water present in an amount to balance the total composition to 100%.
    [0005]
    5. Cleaning composition, according to claim 4, CHARACTERIZED by the fact that it comprises from 3% to 30% by weight of hydrotropic surfactant assets.
    [0006]
    6. Cleaning composition, according to claim 4, CHARACTERIZED by the fact that it comprises from 2% to 20%, by weight of assets of a mixture of two or more alkylbetaines or alkylsulfins.
    [0007]
    7. Cleaning composition according to any one of claims 1 to 6, characterized by the fact that it is a liquid body soap, liquid hand soap, facial cleanser, shampoo, foaming hair conditioner product pumpable liquid hand cleaner, liquid bath soap, liquid dish soap, and liquid detergent.
    类似技术:
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    同族专利:
    公开号 | 公开日
    US20180016524A1|2018-01-18|
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    JP2013508511A|2013-03-07|
    CN102686715B|2014-05-07|
    CO6531482A2|2012-09-28|
    EP2491104A1|2012-08-29|
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    法律状态:
    2018-04-10| B06F| Objections, documents and/or translations needed after an examination request according art. 34 industrial property law|
    2019-02-12| B06T| Formal requirements before examination|
    2019-08-06| B07A| Technical examination (opinion): publication of technical examination (opinion)|
    2020-08-11| B09A| Decision: intention to grant|
    2020-10-06| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 19/10/2010, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    US25370909P| true| 2009-10-21|2009-10-21|
    US61/253,709|2009-10-21|
    PCT/US2010/053166|WO2011049932A1|2009-10-21|2010-10-19|Viscous liquid cleansing compositions comprising sulfonated fatty acids, esters, or salts thereof and betaines or sultaines|
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