WO2019055256A1 - Composition liquide pour laver la vaisselle à la main - Google Patents

Composition liquide pour laver la vaisselle à la main Download PDF

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Publication number
WO2019055256A1
WO2019055256A1 PCT/US2018/049438 US2018049438W WO2019055256A1 WO 2019055256 A1 WO2019055256 A1 WO 2019055256A1 US 2018049438 W US2018049438 W US 2018049438W WO 2019055256 A1 WO2019055256 A1 WO 2019055256A1
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Prior art keywords
surfactant
alkyl
weight
branched
anionic surfactant
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PCT/US2018/049438
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English (en)
Inventor
Jan Julien Marie-Louise Billiauw
Roel Krols
Christopher Stephen JONES
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The Procter & Gamble Company
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Publication of WO2019055256A1 publication Critical patent/WO2019055256A1/fr

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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
    • C11D1/66—Non-ionic compounds
    • C11D1/83—Mixtures of non-ionic with anionic compounds
    • 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
    • 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
    • C11D3/0005—Other compounding ingredients characterised by their effect
    • C11D3/0094—High foaming compositions
    • 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
    • C11D1/14—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aliphatic hydrocarbons or mono-alcohols
    • C11D1/146—Sulfuric acid esters
    • 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
    • C11D1/66—Non-ionic compounds
    • C11D1/75—Amino oxides
    • 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

Definitions

  • the present invention relates to a hand dishwashing cleaning composition
  • a hand dishwashing cleaning composition comprising a surfactant system comprising an anionic surfactant and a co-surfactant, wherein the anionic surfactant is selected from a mixture of a linear anionic surfactant and a branched anionic surfactant with branching predominantly on an unalkoxylated alkyl sulfate surfactant.
  • the composition provides improved sudsing profile, in particular initial suds volume.
  • the composition is also useful for removal of greasy soils from dishware.
  • the need remains for a cleaning composition having an improved initial sudsing profile, in particular increased initial suds volume generation particularly upon application of manual agitation (i.e., squeezing) to a cleaning implement, especially a sponge, with the cleaning composition applied neat thereon.
  • a cleaning composition particularly a liquid hand dishwashing cleaning composition, that sustains suds aesthetics throughout the dilution and the wash process.
  • the need also exists for a cleaning composition that provides good product dissolution and cleaning, particularly good removal of greasy soils from dishware.
  • the present invention meets one or more of these needs based on the surprising discovery that by formulating a cleaning composition having a surfactant system comprising an anionic surfactant selected from a defined mixture of a linear anionic surfactant and a branched anionic surfactant, wherein the branching predominantly is positioned on an unalkoxylated alkyl sulfate surfactant, such a composition exhibits improved initial sudsing profile, particularly desirable initial suds volume.
  • the present invention is directed to a liquid hand dishwashing comprising from 1% to 60%, preferably from 5% to 50%, more preferably from 8% to 45%, most preferably from 15% to 40%, by weight of the total composition of a surfactant system comprising an anionic surfactant and a co-surfactant.
  • the anionic surfactant has an average alkyl chain length of from 8 to 18, preferably from 10 to 14, more preferably from 12 to 14, most preferably from 12 to 13 carbon atoms.
  • the anionic surfactant has a weight average degree of branching of from 41% to 54%, preferably from 42% to 50%, and an average degree of ethoxylation of less than 5, preferably less than 3, more preferably less than 2 and more than 0.5, most preferably between 0.5 and 0.9.
  • the anionic surfactant comprises an alkyl sulfate, an alkyl alkoxy sulfate preferably an alkyl ethoxy sulfate, or mixtures thereof, preferably the alkyl sulfate, the alkyl alkoxy sulfate preferably the alkyl ethoxy sulfate, or mixtures thereof is a mixture of linear anionic surfactant and branched anionic surfactant.
  • the branched anionic surfactant is selected from 90% to 100%, preferably from 95% to 100%, more preferably 100% by weight of the total branched anionic surfactant of a branched alkyl sulfate surfactant and from 0% to 10%, preferably from 0% to 5%, more preferably 0% by weight of the total branched anionic surfactant of a branched alkyl alkoxy sulfate preferably a branched alkyl ethoxy sulfate surfactant.
  • the co-surfactant is selected from the group consisting of an amphoteric surfactant, a zwitterionic surfactant and mixtures thereof, preferably an amphoteric surfactant, more preferably an amine oxide surfactant.
  • the weight ratio of the anionic surfactant to the co-surfactant is from 1:1 to 8:1, preferably from 2:1 to 5:1, more preferably from 2.5:1 to 4:1.
  • the present invention is directed to a liquid hand dishwashing cleaning composition
  • a liquid hand dishwashing cleaning composition comprising from 15% to 40% by weight of the total composition of a surfactant system comprising an anionic surfactant, and an amine oxide co-surfactant.
  • the anionic surfactant has a weight average degree of branching of from 42% to 50%, and an average degree of ethoxylation of between 0.5 and 0.9.
  • the anionic surfactant is selected from a mixture of a linear anionic and a branched anionic surfactant.
  • the linear anionic surfactant is a mixture of a linear alkyl sulfate surfactant and a linear alkyl ethoxy sulfate surfactant.
  • the branched anionic surfactant consists of an unalkoxylated alkyl sulfate surfactant.
  • the weight ratio of the anionic surfactant to the amine oxide co-surfactant is between 2.5:1 and 4:1.
  • a method of manually washing dishware using the composition of the invention comprises the steps of: (i) delivering a composition of the invention in its neat form to an optionally pre-wetted cleaning implement, preferably a sponge, (ii) manually agitating, preferably squeezing, the cleaning implement to generate an initial suds volume, and (iii) contacting the composition on the cleaning implement with the dishware to be cleaned.
  • composition of the invention for the generation of an initial suds volume when applied neat on an optionally pre-wetted cleaning implement, preferably a sponge, and upon manual agitation, preferably squeezing, of the cleaning implement.
  • composition of the present invention it is an object of the composition of the present invention to exhibit good initial sudsing profile, preferably desirable initial suds volume, and sustained suds volume and suds aesthetics (i.e. suds whitness and/or consistency) throughout dilution and the wash process.
  • composition to provide good product dissolution and cleaning, preferably good tough food cleaning (e.g., cooked-, baked- and burnt-on soils) and/or good removal from dishware.
  • good tough food cleaning e.g., cooked-, baked- and burnt-on soils
  • Liquid hand dishwashing compositions have been commercialized that comprise an anionic surfactant mixture, more particularly a mixture of linear and branched alkyl sulfate and alkyl ethoxy sulfate comprising an average degree of branching of from 23% to 24% and a branched alkyl ethoxy sulfate over branched alkyl sulfate ratio of from 0/100 up to 40/60, combined with an amphoteric (amine oxide) or zwitterionic (cocoamidopropylebetaine) surfactant system.
  • an anionic surfactant mixture more particularly a mixture of linear and branched alkyl sulfate and alkyl ethoxy sulfate comprising an average degree of branching of from 23% to 24% and a branched alkyl ethoxy sulfate over branched alkyl sulfate ratio of from 0/100 up to 40/60, combined with an amphoteric (
  • liquid hand dishwashing compositions according to the invention provide an improved initial suds volume compared to compositions outside the scope of the invention.
  • compositions of the present invention can comprise, consist of, and consist essentially of the essential elements and limitations of the invention described herein, as well as any of the additional or optional ingredients, components, steps, or limitations described herein.
  • ishware includes cookware and tableware made from, by non- limiting examples, ceramic, china, metal, glass, plastic (e.g., polyethylene, polypropylene, polystyrene, etc.) and wood.
  • plastic e.g., polyethylene, polypropylene, polystyrene, etc.
  • initial suds volume means the ability of a liquid hand dishwashing cleaning composition to generate and/or build-up initial suds volume upon manual agitation, preferably squeezing, of a cleaning implement, preferably a sponge, onto which the composition has been applied in its neat form.
  • the initial suds volume is generated prior to exposure of the cleaning composition to soiled dishware, and is assessed according to the Initial Suds Volume test method as described herein.
  • the cleaning composition of the present invention generates "desirable initial suds volume" as assessed by the consumer as having sufficient and/or high levels of cleaning actives in the cleaning composition present to perform the cleaning of the soiled dishware.
  • Sudsing profile refers to the properties of a cleaning composition relating to suds character during the dishwashing process.
  • the term "sudsing profile" of a cleaning composition specifically includes initial suds volume generated upon dissolving and agitation, typically manual agitation, preferably squeezing, of the cleaning composition that has been applied neat to an optionally pre-wetted cleaning implement.
  • hand dishwashing cleaning compositions characterized as having "improved sudsing profile” tend to have high initial suds volume and/or sustained suds volume, particularly during a substantial portion of or for the entire manual dishwashing process. This is important as the consumer uses high initial suds volume as an indicator that sufficient cleaning composition has been dosed.
  • the consumer also uses the sustained suds volume as an indicator that sufficient active cleaning ingredients (e.g., surfactants) are present, even towards the end of the dishwashing process.
  • the consumer usually renews the washing solution when the initial sudsing volume and/or sustained sudsing volume subsides.
  • a cleaning composition with a low initial sudsing volume and/or low sustained sudsing volume will tend to be replaced by the consumer more frequently than is necessary because of the low sudsing level.
  • test methods that are disclosed in the Test Methods Section of the present application must be used to determine the respective values of the parameters of Applicants' inventions as described and claimed herein.
  • the present invention relates to liquid hand dishwashing cleaning compositions having a good sudsing profile, including especially high initial suds volume generation. This signals to the user that there are sufficient active ingredients present to provide good cleaning performance, as such triggering less re-dosing and overconsumption of the product by the user.
  • the Applicant has surprisingly discovered that by selecting a surfactant system with the defined degree of branching and the branching predominantly positioned on an unalkoxylated alkyl sulfate surfactant, a high initial suds volume can be achieved.
  • the results are unexpected since previous attempts to improve initial sudsing profile have not focused on the use of such branched anionic surfactant systems, specifically where the branching predominantly is positioned on the unalkoxylated alkyl sulfate surfactant.
  • compositions of the present invention present good stability due to the compatibility of the surfactant system with the remaining ingredients of the composition.
  • the composition can also be aesthetically pleasant because the presence of the surfactant system does not alter the appearance of the composition, i.e., transparent, translucent, etc.
  • the composition of the present invention can also provide good removal of greasy soils.
  • the cleaning composition is a hand dishwashing cleaning composition in liquid form.
  • the composition contains from 50% to 85%, preferably from 50% to 75%, by weight of the total composition of a liquid carrier in which the other essential and optional components are dissolved, dispersed or suspended.
  • a liquid carrier in which the other essential and optional components are dissolved, dispersed or suspended.
  • One preferred component of the liquid carrier is water.
  • the pH of the composition is from about 6 to about 14, preferably from about 7 to about 12, or more preferably from about 7.5 to about 10, as measured at 10 dilution in distilled water at 20°C.
  • the pH of the composition can be adjusted using pH modifying ingredients known in the art.
  • the composition of the present invention can be Newtonian or non-Newtonian, preferably Newtonian.
  • the composition has an initial viscosity of from 10 mPa ⁇ s to 10,000 mPa ⁇ s, preferably from 100 mPa ⁇ s to 5,000 mPa ⁇ s, more preferably from 300 mPa ⁇ s to 2,000 mPa ⁇ s, or most preferably from 500 mPa ⁇ s to 1,500 mPa ⁇ s, alternatively combinations thereof. Viscosity is measured with a Brookfield RT Viscometer using spindle 21 at 20 RPM at 25°C.
  • the cleaning composition of the invention is especially suitable for use as a hand dishwashing detergent. Due to its desirable high initial sudsing profile, it is extremely suitable for use in neat form onto an optionally but preferably pre-wetted cleaning implement, preferably a sponge, to wash soiled dishware.
  • the cleaning composition comprises from 1% to 60%, preferably from 5% to 50%, more preferably from 8% to 45%, most preferably from 15% to 40%, by weight of the total composition of a surfactant system comprising an anionic surfactant and a co-surfactant.
  • Anionic Surfactant preferably from 5% to 50%, more preferably from 8% to 45%, most preferably from 15% to 40%, by weight of the total composition of a surfactant system comprising an anionic surfactant and a co-surfactant.
  • the surfactant system for the cleaning composition of the present invention comprises from 60% to 90%, preferably from 65% to 85%, more preferably from 70% to 80%, by weight of the surfactant system of an anionic surfactant.
  • the anionic surfactant comprises an alkyl sulfate, an alkyl alkoxy sulfate preferably an alkyl ethoxy sulfate, or mixtures thereof, preferably the alkyl sulfate, the alkyl alkoxy sulfate preferably the alkyl ethoxy sulfate, or mixtures thereof is a mixture of linear anionic surfactant and branched anionic surfactant.
  • the preferred average alkyl chain length of the linear anionic surfactant is from 12 to 14 carbon atoms.
  • the surfactant system comprises from 40% to 65%, more preferably from 45% to 60%, by weight of the anionic surfactant of a linear anionic surfactant.
  • the branched anionic surfactant is selected from 90% to 100%, preferably from 95% to 100%, more preferably 100%, by weight of the total branched anionic surfactant of a branched alkyl sulfate surfactant and from 0% to 10%, preferably from 0% to 5%, more preferably 0%, by weight of the total branched anionic surfactant of a branched alkyl ethoxy sulfate surfactant.
  • the branching predominantly positioned on the unalkoxylated alkyl sulfate surfactant contributes to enhanced suds longevity of the composition. It also contributes to the stability of the detergent.
  • the preferred average alkyl chain length of the branched anionic surfactant is from 12 to 15, more preferably from 12 to 13 carbons.
  • the surfactant system comprises from 35% to 60%, more preferably from 40% to 55%, by weight of the anionic surfactant of a branched anionic surfactant.
  • composition of the present invention wherein no further anionic surfactant, other than the alkyl sulfate, the alkyl alkoxy sulfate preferably the alkyl ethoxy sulfate, or mixtures thereof, is added to the composition.
  • the weight average degree of branching of the anionic surfactant is from 41% to 54%, preferably from 42% to 50%.
  • the average degree of ethoxylation of the anionic surfactant mixture is less than 5, preferably less than 3, more preferably less than 2 and more than 0.5, most preferably between 0.5 and 0.9.
  • the average alkoxylation degree is the mol average alkoxylation degree of all the components of the mixture (i.e., mol average alkoxylation degree) of the anionic surfactant. In the mol average alkoxylation degree calculation the weight of sulfate anionic surfactant components not having alkoxylate groups should also be included.
  • Mol average alkoxylation degree (x1 * alkoxylation degree of surfactant 1 + x2 * alkoxylation degree of surfactant 2 +.%) / (x1 + x2 +.7) wherein x1, x2,... are the number of moles of each sulfate anionic surfactant of the mixture and alkoxylation degree is the number of alkoxy groups in each sulfate anionic surfactant.
  • a commercially available branched alkyl ethoxy sulfate raw material will comprise a mixture of linear alkyl sulfate, branched alkyl sulfate, linear alkyl ethoxy sulfate and branched alkyl ethoxy sulfate.
  • the branched alkyl sulfate fraction will have to be considered to calculate the degree of branched alkyl sulfate by weight of the total branched anionic surfactant, while the branched alkyl ethoxy sulfate fraction will have to be considered to calculate the degree of branched alkyl ethoxy sulfate by weight of the total branched anionic surfactant in the final formulation.
  • the actual calculation will have to be executed based on the starting alcohol and ethoxylated alcohols, rather than on the final sulfated materials, as explained in the weight average degree of branching calculation above.
  • Suitable counterions include alkali metal cation earth alkali metal cation, alkanolammonium or ammonium or substituted ammonium, but preferably sodium.
  • Suitable examples of commercially available sulfates include, those based on Neodol alcohols ex the Shell company, Lial– Isalchem and Safol ® ex the Sasol company, natural alcohols ex The Procter & Gamble Chemicals company.
  • the skilled person in the art can create mixtures of these starting materials to achieve the anionic surfactant composition according to the invention, considering the relative fractions of linear alkyl sulfate, linear alkyl ethoxy sulfate, branched alkyl sulfate and branched alkyl ethoxy sulfate, as obtained from the technical data sheets from the relative suppliers or analytically analyzed.
  • the branched alkyl ethoxy sulfate surfactant of the present invention comprises at least 5%, more preferably at least 10%, by weight of the branched alkyl ethoxy sulfate surfactant of an alkyl ethoxy sulfate surfactant with the branching on the C2 position.
  • the branched alkyl ethoxy sulfate surfactant comprises at least 90%, more preferably 100%, by weight of the branched alkyl ethoxy sulfate surfactant of an alkyl ethoxy sulfate surfactant with the branching on the C2 position.
  • the branched alkyl sulfate surfactant preferably comprises at least 5%, more preferably at least 10%, even more preferably at least 20%, most preferably at least 30%, by weight of the branched alkyl sulfate surfactant of a branched alkyl sulfate surfactant with the branching on the C2 position.
  • the branched alkyl sulfate surfactant comprises at least 90%, more preferably 100% by weight of the branched alkyl sulfate surfactant of a branched alkyl sulfate surfactant with the branching on the C2 position.
  • the branching group on the branched anionic surfactant is preferably greater than 75%, more preferably greater than 90%, of the total branched alkyl content, of a C1-C5 alkyl moiety, preferably a C1-C2 alkyl moiety.
  • the surfactant system of the composition of the present invention comprises a co- surfactant.
  • the composition preferably comprises from 0.1% to 20%, more preferably from 0.5% to 15%, and especially from 2% to 10% by weight of the cleaning composition of the co-surfactant.
  • the surfactant system for the cleaning composition of the present invention comprises from 10% to 40%, preferably from 15% to 35%, more preferably from 20% to 30%, by weight of the surfactant system of a co-surfactant.
  • the co-surfactant is selected from the group consisting of an amphoteric surfactant, a zwitterionic surfactant, and mixtures thereof.
  • the composition of the present invention will preferably comprise an amine oxide as the amphoteric surfactant.
  • the amine oxide surfactant is selected from the group consisting of a linear or branched alkyl amine oxide surfactant, a linear or branched alkyl amidopropyl amine oxide surfactant, and mixtures thereof, more preferably a linear alkyl dimethyl amine oxide surfactant, even more preferably a linear C10 alkyl dimethyl amine oxide surfactant, a linear C12- C14 alkyl dimethyl amine oxide surfactant, and mixtures thereof, most preferably a linear C12- C14 alkyl dimethyl amine oxide surfactant.
  • the amine oxide surfactant is alkyl dimethyl amine oxide or alkyl amido propyl dimethyl amine oxide, preferably alkyl dimethyl amine oxide and especially coco dimethyl amino oxide, most preferably C12-C14 alkyl dimethyl amine oxide.
  • Typical linear amine oxides include water-soluble amine oxides containing one R1 C8-18 alkyl moiety and 2 R2 and R3 moieties selected from the group consisting of C1-3 alkyl groups and C1-3 hydroxyalkyl groups.
  • amine oxide is characterized by the formula R1– N(R2)(R3) O wherein R1 is a C8-18 alkyl and R2 and R3 are selected from the group consisting of methyl, ethyl, propyl, isopropyl, 2- hydroxethyl, 2-hydroxypropyl and 3-hydroxypropyl.
  • the linear amine oxide surfactants in particular may include linear C10-C18 alkyl dimethyl amine oxides and linear C8-C12 alkoxy ethyl dihydroxy ethyl amine oxides.
  • Preferred amine oxides include linear C10, linear C10-C12, and linear C12-C14 alkyl dimethyl amine oxides.
  • mid-branched means that the amine oxide has one alkyl moiety having n1 carbon atoms with one alkyl branch on the alkyl moiety having n2 carbon atoms.
  • the alkyl branch is located on the ⁇ carbon from the nitrogen on the alkyl moiety.
  • This type of branching for the amine oxide is also known in the art as an internal amine oxide.
  • the total sum of n1 and n2 is from 10 to 24 carbon atoms, preferably from 12 to 20, and more preferably from 10 to 16.
  • the number of carbon atoms for the one alkyl moiety (n1) should be approximately the same number of carbon atoms as the one alkyl branch (n2) such that the one alkyl moiety and the one alkyl branch are symmetric.
  • symmetric means that
  • the amine oxide further comprises two moieties, independently selected from a C1-3 alkyl, a C1-3 hydroxyalkyl group, or a polyethylene oxide group containing an average of from about 1 to about 3 ethylene oxide groups.
  • the two moieties are selected from a C1-3 alkyl, more preferably both are selected as a C1 alkyl.
  • the amine oxide surfactant is a mixture of amine oxides comprising a low- cut amine oxide and a mid-cut amine oxide.
  • the amine oxide of the composition of the invention then comprises: a) from about 10% to about 45% by weight of the amine oxide of low-cut amine oxide of formula R1R2R3AO wherein R1 and R2 are independently selected from hydrogen, C1-C4 alkyls or mixtures thereof, and R3 is selected from C10 alkyls or mixtures thereof; and
  • R4 and R5 are independently selected from hydrogen, C1-C4 alkyls or mixtures thereof, and R6 is selected from C12-C16 alkyls or mixtures thereof
  • R3 is n-decyl.
  • R1 and R2 are both methyl.
  • R3 is n-decyl.
  • the amine oxide comprises less than about 5%, more preferably less than 3%, by weight of the amine oxide of an amine oxide of formula R7R8R9AO wherein R7 and R8 are selected from hydrogen, C1-C4 alkyls and mixtures thereof and wherein R9 is selected from C8 alkyls and mixtures thereof.
  • Compositions comprising R7R8R9AO tend to be unstable and do not provide very suds mileage.
  • the zwitterionic surfactant is a betaine surfactant. Suitable betaine surfactant includes alkyl betaines, alkylamidobetaine, amidazoliniumbetaine, sulfobetaine (INCI Sultaines) as well as the Phosphobetaine and preferably meets Formula (I):
  • R1 is a saturated or unsaturated C6-22 alkyl residue, preferably C8-18 alkyl residue, in particular a saturated C10-16 alkyl residue, for example a saturated C12-14 alkyl residue;
  • X is NH, NR4 with C1-4 Alkyl residue R4, O or S,
  • n a number from 1 to 10, preferably 2 to 5, in particular 3,
  • R2, R3 are independently a C1-4 alkyl residue, potentially hydroxy substituted such as a hydroxyethyl, preferably a methyl.
  • n a number from 1 to 4, in particular 1, 2 or 3,
  • Y is COO, SO3, OPO(OR5)O or P(O)(OR5)O, whereby R5 is a hydrogen atom H or a C1- 4 alkyl residue.
  • Preferred betaines are the alkyl betaines of the Formula (Ia), the alkyl amido propyl betaine of the Formula (Ib), the Sulfo betaines of the Formula (Ic) and the Amido sulfobetaine of the Formula (Id):
  • betaines and sulfobetaine are the following [designated in accordance with INCI]: Almondamidopropyl of betaines, Apricotam idopropyl betaines, Avocadamidopropyl of betaines, Babassuamidopropyl of betaines, Behenam idopropyl betaines, Behenyl of betaines, betaines, Canolam idopropyl betaines, Capryl/Capram idopropyl betaines, Carnitine, Cetyl of betaines, Cocamidoethyl of betaines, Cocam idopropyl betaines, Cocam idopropyl Hydroxysultaine, Coco betaines, Coco Hydroxysultaine, Coco/Oleam idopropyl betaines, Coco Sultaine, Decyl of betaines, Dihydroxyethyl Oleyl Glycinate, Dihydroxyethyl
  • a preferred betaine is, for example, cocoamidopropylbetaine.
  • Non-Ionic Surfactant is, for example, cocoamidopropylbetaine.
  • the surfactant system of the composition of the present invention further comprises from 1% to 25%, preferably from 1.25% to 20%, more preferably from 1.5% to 15%, most preferably from 1.5% to 5%, by weight of the surfactant system, of a non-ionic surfactant.
  • the non-ionic surfactant is a linear or branched, primary or secondary alkyl alkoxylated non-ionic surfactant, preferably an alkyl ethoxylated non-ionic surfactant, preferably comprising on average from 9 to 15, preferably from 10 to 14 carbon atoms in its alkyl chain and on average from 5 to 12, preferably from 6 to 10, most preferably from 7 to 8, units of ethylene oxide per mole of alcohol.
  • the composition of the present invention further comprises from 0.5% to 20%, more preferably from 0.75% to 15%, more preferably from 1% to 10%, most preferably from 1% to 5% by weight of the surfactant system of alkyl polyglucoside (“APG") surfactant.
  • APG alkyl polyglucoside
  • the alkyl polyglucoside surfactant is a C8-C16 alkyl polyglucoside surfactant, preferably a C8- C14 alkyl polyglucoside surfactant, preferably with an average degree of polymerization of between 0.1 and 3, more preferably between 0.5 and 2.5, even more preferably between 1 and 2.
  • the alkyl polyglucoside surfactant has an average alkyl carbon chain length between 10 and 16, preferably between 10 and 14, most preferably between 12 and 14, with an average degree of polymerization of between 0.5 and 2.5 preferably between 1 and 2, most preferably between 1.2 and 1.6.
  • C8-C16 alkyl polyglucosides are commercially available from several suppliers (e.g., Simusol ® surfactants from Seppic Corporation; and Glucopon ® 600 CSUP, Glucopon ® 650 EC, Glucopon ® 600 CSUP/MB, and Glucopon ® 650 EC/MB, from BASF Corporation).
  • composition of the present invention wherein composition comprises a surfactant system comprising: i) from 70% to 80% by weight of the surfactant system of an alkoxy ethoxy sulfate surfactant;
  • ii) from 18% to 26% by weight of the surfactant system of an amine oxide surfactant; and iii) from 1% to 5% by weight of the surfactant system of an alkyl polyglucoside surfactant.
  • composition of the present invention may further comprise from about 0.01% to about 5%, preferably from about 0.05% to about 2%, more preferably from about 0.07% to about 1% by weight of the total composition of an amphiphilic polymer selected from the groups consisting of amphiphilic alkoxylated polyalkyleneimine and mixtures thereof, preferably an amphiphilic alkoxylated polyalkyleneimine.
  • the amphiphilic alkoxylated polyalkyleneimine is an alkoxylated polyethyleneimine polymer comprising a polyethyleneimine backbone having average molecular weight range from 100 to 5,000, preferably from 400 to 2,000, more preferably from 400 to 1,000 Daltons and the alkoxylated polyethyleneimine polymer further comprising: (i) one or two alkoxylation modifications per nitrogen atom by a polyalkoxylene chain having an average of about 1 to about 50 alkoxy moieties per modification, wherein the terminal alkoxy moiety of the alkoxylation modification is capped with hydrogen, a C1-C4 alkyl or mixtures thereof;
  • alkoxy moieties comprises ethoxy (EO) and/or propoxy (PO) and/or butoxy (BO) and wherein when the alkoxylation modification comprises EO it also comprises PO or BO.
  • Preferred amphiphilic alkoxylated polyethyleneimine polymers comprise EO and PO groups within their alkoxylation chains, the PO groups preferably being in terminal position of the alkoxy chains, and the alkoxylation chains preferably being hydrogen capped.
  • Hydrophilic alkoxylated polyethyleneimine polymers solely comprising ethoxy (EO) units within the alkoxylation chain could also optionally be formulated within the scope of this invention.
  • R represents an ethylene spacer and E represents a C 1 -C 4 alkyl moiety and X- represents a suitable water soluble counterion.
  • the alkoxylation modification of the polyethyleneimine backbone consists of the replacement of a hydrogen atom by a polyalkoxylene chain having an average of about 1 to about 50 alkoxy moieties, preferably from about 20 to about 45 alkoxy moieties, most preferably from about 30 to about 45 alkoxy moieties.
  • the alkoxy moieties are selected from ethoxy (EO), propoxy (PO),butoxy (BO), and mixtures thereof.
  • Alkoxy moieties solely comprising ethoxy units are outside the scope of the invention though.
  • the polyalkoxylene chain is selected from ethoxy/propoxy block moieties.
  • the polyalkoxylene chain is ethoxy/propoxy block moieties having an average degree of ethoxylation from about 3 to about 30 and an average degree of propoxylation from about 1 to about 20, more preferably ethoxy/propoxy block moieties having an average degree of ethoxylation from about 20 to about 30 and an average degree of propoxylation from about 10 to about 20.
  • the ethoxy/propoxy block moieties have a relative ethoxy to propoxy unit ratio between 3 to 1 and 1 to 1, preferably between 2 to 1 and 1 to 1.
  • the polyalkoxylene chain is the ethoxy/propoxy block moieties wherein the propoxy moiety block is the terminal alkoxy moiety block.
  • the modification may result in permanent quaternization of the polyethyleneimine backbone nitrogen atoms.
  • the degree of permanent quaternization may be from 0% to about 30% of the polyethyleneimine backbone nitrogen atoms. It is preferred to have less than 30% of the polyethyleneimine backbone nitrogen atoms permanently quaternized. Most preferably the degree of quaternization is about 0%.
  • a preferred polyethyleneimine has the general structure of Formula (II):
  • polyethyleneimine backbone has a weight average molecular weight of about 600
  • n of formula (II) has an average of about 10
  • m of formula (II) has an average of about 7
  • R of formula (II) is selected from hydrogen, a C1-C4 alkyl and mixtures thereof, preferably hydrogen.
  • the degree of permanent quaternization of formula (II) may be from 0% to about 22% of the polyethyleneimine backbone nitrogen atoms.
  • the molecular weight of this polyethyleneimine preferably is between 10,000 and 15,000.
  • An alternative polyethyleneimine has the general structure of Formula (II) but wherein the polyethyleneimine backbone has a weight average molecular weight of about 600, n of Formula (II) has an average of about 24, m of Formula (II) has an average of about 16 and R of Formula (II) is selected from hydrogen, a C1-C4 alkyl and mixtures thereof, preferably hydrogen.
  • the degree of permanent quaternization of Formula (II) may be from 0% to about 22% of the polyethyleneimine backbone nitrogen atoms.
  • the molecular weight of this polyethyleneimine preferably is between 25,000 and 30,000.
  • polyethyleneimine has the general structure of Formula (II) wherein the polyethyleneimine backbone has a weight average molecular weight of about 600, n of Formula (II) has an average of about 24, m of Formula (II) has an average of about 16 and R of Formula (II) is hydrogen.
  • the degree of permanent quaternization of Formula (II) is 0% of the polyethyleneimine backbone nitrogen atoms.
  • the molecular weight of this polyethyleneimine preferably is about from about 25,000 to 30,000, most preferably about 28,000.
  • polyethyleneimines can be prepared, for example, by polymerizing ethyleneimine in the presence of a catalyst such as carbon dioxide, sodium bisulfite, sulfuric acid, hydrogen peroxide, hydrochloric acid, acetic acid, and the like, as described in more detail in PCT Publication No. WO 2007/135645.
  • a catalyst such as carbon dioxide, sodium bisulfite, sulfuric acid, hydrogen peroxide, hydrochloric acid, acetic acid, and the like, as described in more detail in PCT Publication No. WO 2007/135645.
  • the cyclic polyamine of the invention is a cleaning polyamine.
  • the cleaning polyamine comprises amine functionalities that helps cleaning as part of a cleaning composition.
  • the composition of the invention preferably comprises from about 0.1% to about 10%, more preferably from about 0.2% to about 5%, and especially from about 0.3% to about 2%, by weight of the composition, of the cyclic polyamine.
  • cyclic amine herein encompasses a single amine and a mixture thereof.
  • the amine can be subjected to protonation depending on the pH of the cleaning medium in which it is used.
  • the cyclic polyamine of the invention conforms to the following Formula (I):
  • R 1 , R 2 , R 3 , R 4 and R 5 are independently selected from the group consisting of NH2, -H, linear or branched alkyl having from 1 to 10 carbon atoms, and linear or branched alkenyl having from 1 to 10 carbon atoms
  • n is from 0 to 3, preferably n is 1, and wherein at least one of the Rs is NH2 and the remaining “Rs" are independently selected from the group consisting of NH2, -H, linear or branched alkyl having 1 to 10 carbon atoms, and linear or branched alkenyl having from 1 to 10 carbon atoms.
  • the cyclic polyamine is a diamine, wherein n is 1, R2 is NH2, and at least one of R1, R3, R4 and R5 is CH3 and the remaining Rs are H.
  • the amine of the invention is a cyclic amine with at least two primary amine functionalities.
  • the primary amines can be in any position in the cyclic amine but it has been found that in terms of grease cleaning, better performance is obtained when the primary amines are in positions 1,3. It has also been found that cyclic amines in which one of the substituents is - CH3 and the rest are H provided for improved grease cleaning performance.
  • the most preferred cyclic polyamine for use with the cleaning composition of the present invention are cyclic polyamine selected from the group consisting of 2- methylcyclohexane-1,3-diamine, 4-methylcyclohexane-1,3-diamine and mixtures thereof.
  • the inventors have surprisingly found that these specific cyclic polyamine works to improve suds profile through-out the dishwashing process when formulated together with the specific surfactant system according to the present invention.
  • the composition of the present invention may comprise at least one active selected from the group consisting of: i) a salt, ii) a hydrotrope, iii) an organic solvent, and mixtures thereof. Salt
  • composition of the present invention may comprise from about 0.05% to about 2%, preferably from about 0.1% to about 1.5%, or more preferably from about 0.5% to about 1%, by weight of the total composition of a salt, preferably a monovalent, divalent inorganic salt or a mixture thereof, more preferably sodium chloride, sodium sulfate or a mixture thereof, most preferably sodium chloride.
  • a salt preferably a monovalent, divalent inorganic salt or a mixture thereof, more preferably sodium chloride, sodium sulfate or a mixture thereof, most preferably sodium chloride.
  • composition of the present invention may comprise from about 0.1% to about 10%, or preferably from about 0.5% to about 10%, or more preferably from about 1% to about 10% by weight of the total composition of a hydrotrope or a mixture thereof, preferably sodium cumene sulfonate.
  • Organic Solvent preferably sodium cumene sulfonate.
  • the composition of the present invention may comprise an organic solvent.
  • Suitable organic solvents include C4-14 ethers and diethers, polyols, glycols, alkoxylated glycols, C6-C16 glycol ethers, alkoxylated aromatic alcohols, aromatic alcohols, aliphatic linear or branched alcohols, alkoxylated aliphatic linear or branched alcohols, alkoxylated C1-C5 alcohols, C8-C14 alkyl and cycloalkyl hydrocarbons and halohydrocarbons, and mixtures thereof.
  • the organic solvents include alcohols, glycols, and glycol ethers, alternatively alcohols and glycols.
  • the composition comprises from 0% to less than about 50%, preferably from about 0.01% to about 25%, more preferably from about 0.1% to about 10%, or most preferably from about 0.5% to about 5%, by weight of the total composition of an organic solvent, preferably an alcohol, more preferably ethanol, a polyalkyleneglycol, more preferably polypropyleneglycol, and mixtures thereof.
  • an organic solvent preferably an alcohol, more preferably ethanol, a polyalkyleneglycol, more preferably polypropyleneglycol, and mixtures thereof.
  • the cleaning composition herein may optionally comprise a number of other adjunct ingredients such as builders (e.g., preferably citrate), chelants, conditioning polymers, cleaning polymers, surface modifying polymers, soil flocculating polymers, structurants, emollients, humectants, skin rejuvenating actives, enzymes, carboxylic acids, scrubbing particles, bleach and bleach activators, perfumes, malodor control agents, pigments, dyes, opacifiers, beads, pearlescent particles, microcapsules, inorganic cations such as alkaline earth metals such as Ca/Mg-ions, antibacterial agents, preservatives, viscosity adjusters (e.g., salt such as NaCl, and other mono-, di- and trivalent salts) and pH adjusters and buffering means (e.g., carboxylic acids such as citric acid, HCl, NaOH, KOH, alkanolamines, phosphoric and sulfonic acids, carbonates such as sodium carbon
  • the invention is directed to a method of manually washing dishware with the composition of the present invention.
  • the method comprises the steps of (i) delivering the composition in its neat form onto an optionally pre-wetted cleaning implement, (ii) manually agitating, preferably squeezing, the cleaning implement to generate an initial suds volume, and (iii) contacting the composition on the cleaning implement with the dishware to be cleaned.
  • the composition is applied directly onto a cleaning implement such as for example a dish cloth, a sponge or a dish brush, preferably a sponge, without undergoing any dilution with water by the user (immediately) prior to the application.
  • a cleaning implement such as for example a dish cloth, a sponge or a dish brush, preferably a sponge
  • the dishware surface is then rinsed with water.
  • rinsed it is meant herein contacting the dishware cleaned with the process according to the present invention with substantial quantities of appropriate solvent, typically water, after the step of contacting the composition herein onto the dishware.
  • substantial quantities it is meant usually about 5 L to about 20 L.
  • Another aspect of the present invention is directed to the use of a liquid hand dishwashing cleaning composition of the present invention for providing improved sudsing profile, preferably an initial suds volume build-up upon neat application of the composition onto an optionally pre- wetted cleaning implement, preferably a sponge, and upon manual agitation, preferably squeezing, of the cleaning implement.
  • a liquid hand dishwashing cleaning composition of the present invention for providing improved sudsing profile, preferably an initial suds volume build-up upon neat application of the composition onto an optionally pre- wetted cleaning implement, preferably a sponge, and upon manual agitation, preferably squeezing, of the cleaning implement.
  • Test Method 1 Initial Suds Volume
  • the objective of the Initial Suds Volume test method is to compare the ability of a test versus a reference formulation to generate an initial suds volume.
  • the initial suds volume build- up potential of the formulations are assessed using a KRÜSS DFA100 Dynamic Foam Analyzer.
  • the steps of the method are as follows: 1. 50 mL of an aqueous detergent solution (15 dH water hardness, 22 °C, 40% product concentration) is dosed using a syringe into a standard glass column (CY4501) fitted onto the Quick Fit Unit for agitation (SH4512), equipped with the standard agitator blade (SR4501). 2. The solution is agitated for 5 seconds at 5000 RPM. 20 seconds after agitation has stopped, the Total Volume is recorded (suds + liquid solution).
  • the Total Volume (mL) is then calculated using the diameter of the column (40 mm) and the measured suds + liquid height.
  • the Initial Suds Volume is consequently calculated as Total Volume– 50 mL (i.e., the original sample volume).
  • Example 1 Inventive and Comparative Compositions
  • the ability to generate an initial suds volume is assessed for a cleaning composition comprising an average degree of branching (45%) and a branched AES over branched AS ratio (0/100) according to the invention (Inventive Composition 1).
  • Comparative Compositions 1-2 having an average degree of branching outside the scope of the invention (15; 30% - branched AES over branched AS ratio 0/100 respectively) outside the scope of the present invention are also assessed.
  • the foregoing compositions are produced through standard mixing of the components described in Table 2.
  • Example 1a Initial Suds Volume of Inventive and Comparative Compositions
  • the resultant compositions including the Inventive Composition 1 and Comparative Compositions 1-2 are assessed according to the Initial Suds Volume test method as described herein.
  • the Initial Suds Volume results of the test are summarized in Table 3. The higher the Initial Suds Volume value, the better in terms of generation of initial suds volume.
  • the data shows that the Inventive Composition 1 according to the invention has a stronger initial suds volume build-up profile as compared to Comparative Compositions 1-2 outside the scope of the invention. Table 3– Initial Suds Volume Results

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Abstract

La présente invention concerne une composition liquide pour laver la vaisselle à la main comprenant un système tensioactif, le système tensioactif comprenant un tensioactif anionique et un co-tensioactif, le tensioactif anionique comprenant un mélange constitué d'un tensioactif anionique linéaire et d'un tensioactif anionique ramifié présentant un degré défini de ramification et la ramification se situant principalement sur un tensioactif du type sulfate d'alkyle non alcoxylé. De telles compositions présentent un profil de moussage amélioré et inattendu, de préférence un volume de mousse initial, en particulier lorsque le lavage manuel de la vaisselle est effectué avec un accessoire de nettoyage éventuellement préhumidifié avec la composition liquide pour laver la vaisselle à la main appliquée pure sur celui-ci.
PCT/US2018/049438 2017-09-15 2018-09-05 Composition liquide pour laver la vaisselle à la main WO2019055256A1 (fr)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022266175A3 (fr) * 2021-06-16 2023-02-02 The Procter & Gamble Company Compositions nettoyantes personnelles, procédés et utilisations
US11807829B2 (en) 2020-06-05 2023-11-07 The Procter & Gamble Company Detergent compositions containing a branched surfactant

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002044312A2 (fr) * 2000-11-29 2002-06-06 The Procter & Gamble Company Composition de lavage de vaisselle a la main, contenant un agent de suppression de mousse
WO2006069211A1 (fr) * 2004-12-21 2006-06-29 The Procter & Gamble Company Composition detergente pour vaisselle
WO2007135645A2 (fr) 2006-05-22 2007-11-29 The Procter & Gamble Company Composition détergente liquide pour nettoyage des graisses amélioré
EP2264136A1 (fr) * 2009-06-19 2010-12-22 The Procter & Gamble Company Composition de détergent liquide pour lavage de la vaisselle à la main
EP2757144A1 (fr) * 2013-01-21 2014-07-23 The Procter & Gamble Company Détergent
WO2017079960A1 (fr) * 2015-11-13 2017-05-18 The Procter & Gamble Company Compositions de nettoyage contenant des tensioactifs de sulfate d'alkyle ramifié et des tensioactifs de sulfate d'alkyle linéaire

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002044312A2 (fr) * 2000-11-29 2002-06-06 The Procter & Gamble Company Composition de lavage de vaisselle a la main, contenant un agent de suppression de mousse
WO2006069211A1 (fr) * 2004-12-21 2006-06-29 The Procter & Gamble Company Composition detergente pour vaisselle
WO2007135645A2 (fr) 2006-05-22 2007-11-29 The Procter & Gamble Company Composition détergente liquide pour nettoyage des graisses amélioré
EP2264136A1 (fr) * 2009-06-19 2010-12-22 The Procter & Gamble Company Composition de détergent liquide pour lavage de la vaisselle à la main
EP2757144A1 (fr) * 2013-01-21 2014-07-23 The Procter & Gamble Company Détergent
WO2017079960A1 (fr) * 2015-11-13 2017-05-18 The Procter & Gamble Company Compositions de nettoyage contenant des tensioactifs de sulfate d'alkyle ramifié et des tensioactifs de sulfate d'alkyle linéaire

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11807829B2 (en) 2020-06-05 2023-11-07 The Procter & Gamble Company Detergent compositions containing a branched surfactant
US11891587B2 (en) 2020-06-05 2024-02-06 The Procter & Gamble Company Water-soluble unit dose article
WO2022266175A3 (fr) * 2021-06-16 2023-02-02 The Procter & Gamble Company Compositions nettoyantes personnelles, procédés et utilisations

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