WO2012049026A2 - Stable liquid cleansing compositions comprising critical window of partially hydrogenated triglyceride oil of defined iodine value - Google Patents
Stable liquid cleansing compositions comprising critical window of partially hydrogenated triglyceride oil of defined iodine value Download PDFInfo
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- WO2012049026A2 WO2012049026A2 PCT/EP2011/066935 EP2011066935W WO2012049026A2 WO 2012049026 A2 WO2012049026 A2 WO 2012049026A2 EP 2011066935 W EP2011066935 W EP 2011066935W WO 2012049026 A2 WO2012049026 A2 WO 2012049026A2
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- partially hydrogenated
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- hydrogenated triglyceride
- triglyceride
- surfactant
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
- A61Q19/10—Washing or bathing preparations
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/88—Ampholytes; Electroneutral compounds
- C11D1/94—Mixtures with anionic, cationic or non-ionic compounds
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/36—Carboxylic acids; Salts or anhydrides thereof
- A61K8/361—Carboxylic acids having more than seven carbon atoms in an unbroken chain; Salts or anhydrides thereof
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/46—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing sulfur
- A61K8/466—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing sulfur containing sulfonic acid derivatives; Salts
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/92—Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation products thereof
- A61K8/922—Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation products thereof of vegetable origin
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2003—Alcohols; Phenols
- C11D3/2065—Polyhydric alcohols
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2075—Carboxylic acids-salts thereof
- C11D3/2082—Polycarboxylic acids-salts thereof
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/26—Organic compounds containing nitrogen
- C11D3/33—Amino carboxylic acids
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/37—Polymers
- C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C11D3/3707—Polyethers, e.g. polyalkyleneoxides
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/38—Products with no well-defined composition, e.g. natural products
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/38—Products with no well-defined composition, e.g. natural products
- C11D3/382—Vegetable products, e.g. soya meal, wood flour, sawdust
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/50—Perfumes
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/04—Carboxylic acids or salts thereof
- C11D1/10—Amino carboxylic acids; Imino carboxylic acids; Fatty acid condensates thereof
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/126—Acylisethionates
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/29—Sulfates of polyoxyalkylene ethers
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/88—Ampholytes; Electroneutral compounds
- C11D1/90—Betaines
Definitions
- hydrogenated oil of defined IV is used in amounts required as a percentage of fully formulated personal wash compositions.
- partially hydrogenated triglyceride oils if used within defined window of 1 % to 15% by wt., preferably 2 to 10% partially hydrogenated triglyceride oils (delivered as sole component or as mixture where partially hydrogenated triglyceride of defined IV comprises 50% or more, preferably 60% or more of the mixture), the partially hydrogenated triglycerides stabilize the oil/water interface of liquid products containing fatty acid and thus stabilize the liquid cleansing formulations over a wide range of storage temperature, even temperatures as low as 4°C.
- triglycerides are the main constituents of vegetable oils and animal fats.
- a triglyceride also called triacylglycerol (TAG)
- TAG triacylglycerol
- Hydrogenated triglycerides are the triglyceride oils produced after the contained unsaturated double bonds are hydrogenated and converted into single bonds. The schematic chemical structure of hydrogenated triglycerides is given below:
- Naturally sourced vegetable oils and fats also contain substantial amount of mono-unsaturates such as C16: 1 (palmitoleic acid), C18: 1 (oleic acid) and polyunsaturated fatty acids such as C18:2 (linoleic acid)) and C18:3 (linolenic acid) and so on, depending on the source of oils and regions.
- the degree of saturation in triglycerides can be quantified by the amount of contained double bonds in the molecule.
- the Iodine Value (or "iodine adsorption value” or "IV number” or “iodine index”) is often used in lipid chemistry, and is defined as the mass of iodine in grams that is consumed by 100 grams of a chemical substance. For triglycerides, a higher iodine value indicates more unsaturated double bonds in fatty acids.
- a fully hydrogenated triglyceride should have Iodine Value close to zero as it can not be further reacted with hydrogen. Also, by the definition of Iodine Value, this should be the case for all types of triglyceride oil.
- U.S. 2004/0234468, U.S. 2004/0234469 and U.S. 2004/0234558 disclose structured premix to enhance delivery of hydrophobic agent.
- WO-A-2004/017745 discloses mixing non-hydrogenated and hydrogenated oils for dispersed liquid oil or solid particles in fat phase for food compositions.
- U.S. 2005/0281851 to Cap discloses cosmetic products comprising vegetable oil blends and additional fatty acid where blends have iodine value range of 20-80, and where no applicable viscosity range is specified. There is no disclosure of use of 1 to 15% of partially hydrogenated triglyceride alone or as mixture with other oil where partially hydrogenated triglyceride of defined IV (e.g., 40 to 100) comprises 60% or more of mixture, or of advantageous use for low temperature stability. Further, Cap does not disclose use of our stabilizing system in personal wash compositions, particularly phase comprising DEFI surfactant, and
- total partially hydrogenated triglyceride of IV 40 to 100 is delivered as alone, or as mixture with other oils.
- the invention further relates to a method of stabilizing liquid composition at temperatures of 0°C to 50°C, preferably 4 to 40°C which method comprises utilizing the composition noted above.
- the partially hydrogenated triglyceride mixture is used alone and comprises 2% to 15%, preferably 3% to 10% of the personal wash composition.
- the partially hydrogenated triglyceride comprises 50% or more, preferably 60% or more, even more preferably 70% or more, even more preferably 80% or more of the mixture.
- the use of blend in liquid surfactant containing personal product compositions allows use of triglyceride to stabilize liquid cleansing products at low temperature during storage and transportation.
- FIG. 1 is a graph demonstrating that DSC methodology can be used to show the correlation (e.g., linear) between, on the one hand, the melting enthalpy of a mixture of fully hydrogenated oil (hydrogenated soybean oil or "HSBO”) and additional oil (e.g., regular soybean oil or "SBO”); and, on the other hand, the amount of HSBO in such mixture.
- the amount of HSBO in the mixture (function of melting enthalpy) is a measure of the crystallinity of the oil mixture; and
- FIG. 2 is a graph demonstrating the dependency of measured melting enthalpy of a mixture of partially hydrogenated oil mixture (partially hydrogenated soybean oil mixture) and the mean iodine value as calculated from range of IV provided by suppliers of the mixtures.
- the present invention relates to surfactant-containing liquid (also containing linear fatty acids) personal wash compositions (preferably aqueous based compositions having >30%, preferably 35% water or greater) providing low temperature stability (retention of viscosity after cold temperature storage) using specific amount of partially hydrogenated triglyceride having a defined degree of saturation.
- surfactant-containing liquid also containing linear fatty acids
- personal wash compositions preferably aqueous based compositions having >30%, preferably 35% water or greater
- low temperature stability retention of viscosity after cold temperature storage
- the compositions will have precisely the right characteristics such that the low temperature stability of liquid formulations is retained.
- the partially hydrogenated triglyceride may be delivered as pure component (i.e., only partially hydrogenated triglyceride having defined IV range is used), or the partially hydrogenated triglyceride may be delivered as component in combination with other oils (i.e., oil which may have IV range outside defined range).
- the degree of saturation/hydrogenation may be characterized (1 ) by an iodine value which corresponds to that specific value for a particular oil; (2) by phase transition enthalpy; and (3) by the concentration of hydrogenated
- compositions in which the blends of the invention may be used comprise 1 % by wt. to 40% by wt., preferably 5 to 40%, more preferably 10 to 35% by wt.
- surfactant may be anionic, nonionic amphoteric/zwitterionic, cationic or mixtures thereof. Examples of the many surfactants which may be used are set forth, for example, in U.S. Patent No. 6,395,690 to Tsaur.
- Anionic surfactants may be aliphatic sulfonate (e.g., C8-C22 alkane or alkene sulfonate or aromatic sulfonate); alkyl sulfate (including alkyl and alkyl ether sulfate); sulfosuccinate; taurate; sarcosinates; sulfoacetate; alkyl phosphate.
- Anionics may also be carboxylates and ether carboxylates.
- Another preferred class is Cs to C22 acyl isethionates. These esters are prepared by reacting alkali metal isethionate with mixed aliphatic fatty acids.
- the isethionate surfactant comprises 5 to 25 wt%, preferably 8 to 20 wt% of the composition.
- anionic surfactant comprises 50% or more of the surfactant system of the composition of the invention.
- Zwitterionic surfactants are broadly derivates of aliphatic quaternary ammonium, phosphonium and sulfonium compound in which aliphatic radicals are straight or branched chain, and wherein one of the aliphatic substituents contains 8 to 18 carbons and one contains an anionic group, e.g., carboxy, sulfonate, sulfate, phosphate or phosphonate.
- Amphoteric surfactants include at least one acid group (e.g., carboxylic or sulphonic acid group). They include quaternary nitrogen and are quaternary amido acid. They typically include C 7 to C18 alkyl or alkenyl group. Examples include betaines, amido betaines, sulphobetaines.
- the surfactant system may also optionally comprise a nonionic surfactant.
- the nonionic which may be used includes in particular the reaction products of compounds having a hydrophobic group and a reactive hydrogen atom, for example aliphatic alcohols, acids, amides or alkyl phenols with alkylene oxides, especially ethylene oxide either alone or with propylene oxide.
- Specific nonionic detergent compounds are alkyl (C6-C22) phenols-ethylene oxide condensates, the condensation products of aliphatic (Cs-C-is) primary or secondary linear or branched alcohols with ethylene oxide, and products made by condensation of ethylene oxide with the reaction products of propylene oxide and ethylenediamine.
- Other so-called nonionic detergent compounds include long chain tertiary amine oxides, long chain tertiary phosphine oxides and dialkyl sulphoxides.
- the surfactant may be one of the lactobionamides described in U.S. Patent No. 5,389,279 to Au et al. which is hereby incorporated by reference or it may be one of the sugar amides described in Patent No. 5,009,814 to Kelkenberg, hereby incorporated into the subject application by reference.
- alkyl polysaccharides are described in U.S. Patent No. 3,723,325 to Parran Jr. and alkyl polysaccharide nonionic surfactants as disclosed in U.S. Patent No. 4,565,647 to Llenado, both of which are also incorporated into the subject application by reference.
- Preferred alkyl polysaccharides are
- Cationic surfactants are selected from the group consisting of: alkyl trimonnium chloride and methosulfate, and dialkyldimonnium chloride and methyl sulphate, and alkyl alkonium chloride and methyl sulphate and mixtures thereof. These surfactants contain C12 to C24 carbon atoms per alkyl chain.
- the most preferred cationic is selected from the group consisting of stearylalkonium chloride, stearyltrimonium chloride. Di-stearyl-dimonium chloride, and mixtures thereof.
- a particularly preferred composition in which triglycerides of the invention may be used comprises 1 to 25 wt%, preferably 1 to 20 wt% DEFI (directly esterified fatty acid isethionate) and 1 to 15 wt% other synthetic cosurfactants, especially betaine and glycinate cosurfactants.
- DEFI directly esterified fatty acid isethionate
- other synthetic cosurfactants especially betaine and glycinate cosurfactants.
- compositions may comprise a combination of a fatty acyl isethionate product and alkanoyl glycinate.
- a fatty acyl isethionate product might comprise (in addition to other components) both pure fatty acyl isethionate surfactant (e.g., 40 to 80% of the product) as well as free fatty acid and/or fatty acid salt (e.g. , 15 to 50%).
- the fatty acyl isethionate surfactant component is typically prepared by the reaction of an isethionates salt such as alkali metal isethionates and an aliphatic fatty acid having 8 to 20 carbon atoms and Iodine Value (measuring degree of unsaturation) of less than 20 g, for example:
- Ri is an aliphatic hydrocarbon radical containing 2 to 4 carbons
- M is alkali metal cation or metal ion (e.g. , sodium, magnesium, potassium, lithium), ammonium or substituted ammonium cation or other counterion
- R is an aliphatic hydrocarbon radical having 7 to 24, preferably 8 to 22 carbons.
- the resulting fatty acyl isethionate surfactants preferably should have more than 20 wt. %, preferably more than 25%, but no more than 40% wt., preferably 35% (on basis of fatty acyl isethionates reaction product) of fatty acyl group with 16 or greater carbon atoms to provide both lather and mildness of the resulting fatty acyl isethionate product.
- These longer chain fatty acyl isethionate surfactants and fatty acids i.e.
- fatty acyl group and fatty acid with 16 or more carbons form insoluble surfactant/fatty acid crystals typically in water at ambient temperatures. While not wishing to be bound by theory, it is believed that long chain fatty acyl isethionate surfactants in the product together with free long chain fatty acids in the product contribute to the mildness of the fatty acyl isethionate product for skin cleanser applications.
- fatty acyl isethionate and 30 to 40 wt. % of fatty acid and fatty soap. Due to the high level of long chain (16 or more carbons) fatty acyl isethionate and fatty acid, these preferred fatty acyl isethionate surfactant products are extremely mild and have very good emollient benefits to the skin.
- alkanoyi is the systematic name for group:
- composition of the invention further comprise a do to C20 straight chain fatty alcohol, for example, lauryl alcohol.
- Fatty alcohol may be used in an amount of 0.05 to 5%, preferably 0.1 to 3%, more preferably 0.2 to 1.5% by wt.
- a second component of the invention is C10 to C20 linear fatty acids. These typically can cause instability in liquid compositions, particularly those stored in cold climates.
- Compositions of the invention comprise 0.5 to 10%, preferably 1 to 8% by wt. of said fatty acids.
- the linear fatty acids of the invention may be introduced directly or may be introduced as part of the DEFI product which product contains both acyl isethionate and fatty acid components.
- a third required component of the subject invention (besides (1 ) surfactants and (2) linear fatty acid) is partially hydrogenated triglyceride oil. More specifically, the invention requires that there be used from 1 to 15% by wt. (total content whether delivered alone or as mixture with other oils) of partially hydrogenated oil which has IV number of 40 to 100, preferably 50 to 90 and a melting temperature between 35° to 80°C (reflective of level of saturation).
- the partially hydrogenated triglycerides of defined IV value and concentration in the composition are required to give low temperature stability and viscosity retention.
- the partially hydrogenated triglycerides of defined IV value and concentration in the composition are required to give low temperature stability and viscosity retention.
- the partially hydrogenated triglycerides of defined IV value and concentration in the composition are required to give low temperature stability and viscosity retention.
- the partially hydrogenated triglycerides of defined IV value and concentration in the composition are required to give low temperature stability and viscosity retention.
- the partially hydrogenated triglycerides of defined IV value and concentration in the composition are required to give low temperature stability and viscosity retention.
- the invention in a second embodiment, relates to a method of stabilizing liquid composition which can be stored at a temperature of as low as 4°C for one week which method comprises using a composition comprising: a. 1 to 40%, preferably 5 to 35% by wt. surfactant as defined above;
- Liquids were prepared by mixing all the ingredients except Glydant plus, perfume, citric acid and EDTA at 70-75°C for 30 to 50 minutes until all the solids such as lauric acid, hydrogenated triglyceride and fatty acyl isethionate surfactant product dissolved to form a uniform mix.
- Fatty isethionate product is fatty acyl isethionate products manufactured by Unilever. It contains about 50 wt% of fatty acyl isethionate surfactant with about 30% of the fatty acyl group equal to or longer than 16 carbon, and about 35 wt% of linear fatty acid/linear fatty soap in which about 79 wt% of the fatty acid/fatty soap have 16 to 20 carbons.
- Partially hydrogenated triglyceride oil was added as is to the mixing tank; or added as a premix with other triglyceride oil by mixing the partially hydrogenated triglyceride oil with other oils, such as sunflower seed oil, above the melting temperature of the partially hydrogenated triglyceride oil. The mixture was then cooled below 40°C. Rest of the ingredients were added and mixed for another 10 to 20 minutes. The sample was poured and saved in 4 ounce jar for viscosity
- phase transition enthalpy measured by DSC
- melting peak is linearly correlated to the amount of fully hydrogenated soybean oil (HSBO) in the mixture (see Figure 1 ).
- the corresponding melting enthalpy by DSC reveals a similar linear dependence to mean IV number as shown in Figure 2.
- the mean IV numbers of such oil mixtures can be calculated from the IV range provided by suppliers of the oil mixtures, while the melting enthalpy obtained by measuring the endothermic peak of crystal melting using standard DSC method.
- triglyceride oils any unknown mixture of triglyceride oils, either a simple mixture of triglyceride oil with fully hydrogenated triglycerides or a commercially obtainable partially hydrogenated triglyceride mixture (obtained, for example, by catalytic reaction), a sample can be identified by iodine value, phase transition enthalpy or crystal content (solid fat index).
- hydrogenated triglyceride oil mixture as claimed in the invention can improve the low temperature stability of the liquid cleanser composition.
- Comparative Example B without any hydrogenated triglyceride oil (only sunflower seed oil), the liquid only retained 51 .9% of the original viscosity (34800 cps vs. 73200 cps overnight viscosity) after being stored at 4°C for 7 days.
- Liquids, with same surfactant composition as Comparative Example B, containing partially hydrogenated triglyceride oil of this invention (Examples 1 and 2) are stable at low temperature, and maintain 80% or more of their original viscosity.
- Comparative Example C containing partially hydrogenated soy with IV number 104, higher than the desired number of this invention, is not stable at low temperature.
- the DSC analysis in Figure 2 confirmed that this oil does not contain a substantial amount of crystal (melting enthalpy is close to zero) at the applicable temperature range (process, transportation and storage).
- Examples 3 and 4 clearly show use of 10% defined partially hydrogenated triglyceride stabilized composition from low temperature instability compared to use, for example, of 10% soybean oil instead (Comparative D).
- Example 3 yielded an even higher viscosity retention number than Example 4 after storage at 4°C for 7 days due to lower IV number and higher crystal content.
- Example 5 shows that use of 2% defined partially hydrogenated triglyceride has the same stabilizing effect. Comparative E versus Example 5 shows generally the stabilizing effect of fatty alcohol although Example 5 relative to E again shows effect of partially hydrogenated triglyceride.
- Product contains about 50 wt. % fatty acyl isethionate surfactant with about 30% of the fatty acyl group equal to or longer than 16 carbons, and about 35 wt. % of linear fatty acid/linear fatty soap in which about 79 wt. % of the fatty acid/fatty soap have 16 to 20 carbons.
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Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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BR112013008447-2A BR112013008447B1 (en) | 2010-10-14 | 2011-09-28 | 'LIQUID CLEANING COMPOSITION AND METHOD' |
EA201390554A EA025648B1 (en) | 2010-10-14 | 2011-09-28 | Stable liquid cleansing compositions comprising critical window of partially hydrogenated triglyceride oil of defined iodine value |
EP11767965.4A EP2627310B1 (en) | 2010-10-14 | 2011-09-28 | Stable liquid cleansing compositions comprising critical window of partially hydrogenated triglyceride oil of defined iodine value |
CN2011800492208A CN103260598A (en) | 2010-10-14 | 2011-09-28 | Stable liquid cleansing compositions comprising critical window of partially hydrogenated triglyceride oil of defined iodine value |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US12/904,594 | 2010-10-14 | ||
US12/904,594 US8722604B2 (en) | 2010-10-14 | 2010-10-14 | Stable liquid cleansing compositions comprising critical window of partially hydrogenated triglyceride oil of defined iodine value |
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WO2012049026A2 true WO2012049026A2 (en) | 2012-04-19 |
WO2012049026A3 WO2012049026A3 (en) | 2013-01-03 |
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PCT/EP2011/066935 WO2012049026A2 (en) | 2010-10-14 | 2011-09-28 | Stable liquid cleansing compositions comprising critical window of partially hydrogenated triglyceride oil of defined iodine value |
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US (1) | US8722604B2 (en) |
EP (1) | EP2627310B1 (en) |
CN (2) | CN107012019A (en) |
BR (1) | BR112013008447B1 (en) |
DE (1) | DE202011110828U1 (en) |
EA (1) | EA025648B1 (en) |
WO (1) | WO2012049026A2 (en) |
Cited By (1)
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---|---|---|---|---|
CN105407860A (en) * | 2013-08-01 | 2016-03-16 | 荷兰联合利华有限公司 | Foamable personal care composition comprising a continuous oil phase |
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CN104837477B (en) | 2013-05-08 | 2017-06-20 | 银河界面活性剂有限责任公司 | The blend of O acyl isethinates and N acyl amino acid surfactants |
CN105163809B (en) * | 2013-05-09 | 2020-06-19 | 荷兰联合利华有限公司 | Hair treatment composition |
US20160081900A1 (en) * | 2013-05-09 | 2016-03-24 | Conopco, Inc., D/B/A Unilever | Hair treatment composition |
FR3012962B1 (en) * | 2013-11-13 | 2016-07-15 | Oreal | FOAMING COMPOSITION COMPRISING AT LEAST ONE SURFACTANT OF GLYCINATE TYPE |
CA2992505C (en) | 2015-07-16 | 2023-08-08 | Unilever Plc | In-situ process for making a small particle narrow distribution fatty acyl isethionate in oil composition |
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CN105407860A (en) * | 2013-08-01 | 2016-03-16 | 荷兰联合利华有限公司 | Foamable personal care composition comprising a continuous oil phase |
CN105407860B (en) * | 2013-08-01 | 2019-01-08 | 荷兰联合利华有限公司 | Foamable personal care composition comprising oil-continuous phase |
Also Published As
Publication number | Publication date |
---|---|
EA201390554A1 (en) | 2013-07-30 |
CN103260598A (en) | 2013-08-21 |
US8722604B2 (en) | 2014-05-13 |
EP2627310B1 (en) | 2017-03-08 |
BR112013008447B1 (en) | 2017-10-31 |
US20120094885A1 (en) | 2012-04-19 |
DE202011110828U1 (en) | 2016-08-26 |
EA025648B1 (en) | 2017-01-30 |
WO2012049026A3 (en) | 2013-01-03 |
CN107012019A (en) | 2017-08-04 |
BR112013008447A2 (en) | 2016-06-28 |
EP2627310A2 (en) | 2013-08-21 |
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