WO2009093150A1 - Composition de détergent liquide - Google Patents

Composition de détergent liquide Download PDF

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Publication number
WO2009093150A1
WO2009093150A1 PCT/IB2009/050126 IB2009050126W WO2009093150A1 WO 2009093150 A1 WO2009093150 A1 WO 2009093150A1 IB 2009050126 W IB2009050126 W IB 2009050126W WO 2009093150 A1 WO2009093150 A1 WO 2009093150A1
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WIPO (PCT)
Prior art keywords
liquid detergent
detergent composition
alkyl
composition according
group
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PCT/IB2009/050126
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English (en)
Inventor
Maria Angeles Gomez Ruiz
Polina Zosimova
Bahar Koyuncu
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Procter and Gamble Co
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Procter and Gamble Co
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Priority to JP2010543591A priority Critical patent/JP5555182B2/ja
Priority to US12/391,288 priority patent/US8512480B2/en
Publication of WO2009093150A1 publication Critical patent/WO2009093150A1/fr
Anticipated expiration legal-status Critical
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Classifications

    • 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
    • C11D3/22—Carbohydrates or derivatives thereof
    • C11D3/222—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin
    • C11D3/225—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin etherified, e.g. CMC
    • 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
    • C11D1/831—Mixtures of non-ionic with anionic compounds of sulfonates with ethers of polyoxyalkylenes without phosphates
    • 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
    • C11D3/22—Carbohydrates or derivatives thereof
    • C11D3/222—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin
    • C11D3/227—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin with nitrogen-containing groups
    • 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
    • C11D1/22—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aromatic 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
    • C11D1/02—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
    • C11D1/72—Ethers of polyoxyalkylene glycols
    • 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

Definitions

  • the present invention relates to a light duty liquid detergent composition comprising a low molecular weight hydrophobically modified cellulosic polymer, to provide improved foaming properties.
  • Light-duty liquid dishwashing detergent compositions require a high suds profile while providing grease cleaning. This is particularly important with respect to liquid dishwashing detergent compositions as the consumer uses foam as an indicator of the performance of the detergent composition. Moreover, the consumer in a liquid dishwashing detergent composition also uses the sudsing profile and the looks of the foam (density, whiteness) as an indicator that the wash solution still contains active detergent ingredients. The consumer usually doses the dishwashing liquid depending of the foam ability and renews the wash solution when the sudsing subsides or when the foam does not look thick enough. Thus, a liquid dishwashing detergent composition that generates little or a low density foam will tend to be replaced by the consumer more frequently than is necessary. Therefore, commercially successful light duty liquid dishwashing compositions need to exhibit both good foam height, density as well as good foam duration during both the initial mixing of the detergent into water; as well as good foam duration during the manual dishwashing operation.
  • Natural polymers such as cellulosic polymers are commonly used as rheology modifiers for liquid detersive compositions.
  • WO2007/119226 discloses a rheology modifying system for detersive compositions, comprising a combination of clay with an anionic polymer or a cellulosic polymer.
  • the formulation of a low molecular weight hydrophobically modified cellulosic polymer in a light duty liquid dishwashing composition provides increased suds mileage and foam density. Furthermore, it has been found that the light-duty liquid dishwashing detergent composition of the present invention provides improved grease cleaning, in particular on the more difficult baked-on grease layer.
  • the present application relates to a liquid detergent composition
  • a liquid detergent composition comprising a hydrophobically modified cellulosic polymer with a Mn below 45,000.
  • the present invention encompasses the use of a hydrophobically modified cellulosic polymer in a liquid detergent composition to improve the sudsing profile, in particular initial suds, suds mileage and suds density.
  • Suds profile means amount of sudsing (high or low) and the persistence of sudsing (sustained or prevention) throughout the washing process resulting from the use of the liquid detergent composition of the present composition.
  • Liquid dishwashing detergent compositions require high sudsing and sustained suds.
  • dishware means a surface such as dishes, glasses, pots, pans, baking dishes and flatware made from ceramic, china, metal, glass, plastic (polyethylene, polypropylene, polystyrene, etc.) and wood.
  • light-duty liquid dishwashing detergent composition refers to those compositions that are employed in manual (i.e. hand) dishwashing. Such compositions are generally high sudsing or foaming in nature.
  • cleaning means applying to a surface for the purpose of cleaning, and/or disinfecting.
  • grey means materials comprising at least in part (i.e., at least 0.5 wt% by weight of the grease) saturated and unsaturated fats and oils, preferably oils and fats derived from animal sources such as beef and/or chicken.
  • aked-on grease means materials comprising grease exposed to increased temperatures in a standard oven, convection oven, toaster oven, microwave oven, stove top heating using a frying pan, wok, hot plate, electric griddle, or other known cooking appliances used to heat food during cooking.
  • the present application is directed to a light duty liquid dishwashing detergent composition
  • hydrophobically modified cellulosic polymers in the compositions of the present invention provide improved suds mileage, will increase the suds mileage and total suds volume. This can allow to formulate a composition with a reduced level of surfactants while maintaining an equal suds mileage performance.
  • hydrophobically modified cellulosic polymers provide improved foam aesthetics. They provide a higher initial foam volume and foam density as well as whiter and denser foam.
  • hydrophobically modified cellulosic polymers provide excellent grease cleaning, especially baked-on grease stains and soils.
  • the hydrophobically modified cellulosic polymer has a number average molecular weight (Mn) below 45,000; preferably comprised between 10,000 and 40,000; preferably between 13,000 and 25,000.
  • Mn number average molecular weight
  • the object of the present invention is to provide a liquid detergent composition with an improved suds profile. It has been found that the hydrophobically modified cellulosic polymer with such Mn provide excellent suds profile while do not impact the viscosity of the composition. It has been found that increasing the Mn of such polymer would result in increased viscosity and would make compositions in the form of gel. This would lead to processability and dissolution difficulties.
  • the composition of the present invention will typically comprise the hydrophobically modified cellulosic polymer at a level of from 0.01% to 2%, preferably from 0.1% to 0.5% by weight of the total composition.
  • the hydrophobically modified cellulosic polymers of the present invention include water soluble cellulose ether derivatives, such as nonionic and cationic cellulose derivatives. Nonionic cellulose derivatives are especially preferable.
  • the basic structure of the cellulose derivative is illustrated by the following formula:
  • R 1 , R 2 and R 3 represent alkyl, hydroxyalkyl, or mixed alkyl and hydroxyalkyl substituents, as described hereinafter.
  • Useful alkyl groups include methyl, ethyl, propyl, butyl, pentyl, isobutyl, hexyl, nonyl, and the like; preferably methyl, ethyl, propyl, butyl, more preferably methyl.
  • Useful hydroxyalkyl groups include hydroxymethyl, hydroxyethyl, hydroxypropyl and hydroxybutyl.
  • R 3 can also represent H.
  • R 1 is preferably methyl; R 2 is preferably methyl (Fig. A) or hydroxypropyl (Fig. B).
  • the degree of substitution which is the amount of substituent groups on the anhydroglucose units of cellulose is described by the average number of substituent groups attached to the ring, can be for methoxyl groups from 0.1 to 2.0, preferably methoxyl degree of substitution is from 1.8 to 2.0; for hydroxypropyl groups from 0 to 1.0, preferably hydroxypropyl degree of substitution is from 0.2 to 0.8.
  • Preferred group of cellulose derivatives include methylcellulose, hydroxypropyl methylcellulose, hydroxyethyl methylcellulose, and mixtures thereof.
  • hydrophobic groups typically alkyl, alkaryl or aralkyl groups comprising 1 to 30 carbon atoms, preferably 8 to 30 carbons atoms, more preferably 8 to 22 carbon atoms.
  • a cationic cellulose derivative is
  • the viscosity of the composition of the present invention is measured on a Brookfield viscometer model # LVD VII+ at 20 0 C. The spindle used for these measurements is S31 with a speed of 10 rpm.
  • the liquid detergent compositions of the present invention have preferably a viscosity lower than 3,000cps, more preferably lower than 2,000 and typically greater than 300 cps, preferably the viscosity of the composition is between 300 and 1100 cps.
  • Aqueous Liquid Carrier Aqueous Liquid Carrier
  • the liquid detergent compositions herein further contain from 30% to 80% of an aqueous liquid carrier in which the other essential and optional compositions components are dissolved, dispersed or suspended. More preferably the aqueous liquid carrier will comprise from 45% to 70%, more preferable from 45% to 65% of the compositions herein.
  • the aqueous liquid carrier may contain other materials which are liquid, or which dissolve in the liquid carrier, at room temperature (20 0 C - 25°C) and which may also serve some other function besides that of an inert filler. Such materials can include, for example, hydrotropes and solvents, discussed in more detail below.
  • the water in the aqueous liquid carrier can have a hardness level of about 2-30 gpg ("gpg" is a measure of water hardness that is well known to those skilled in the art, and it stands for "grains per gallon"). pH of the Composition
  • the liquid detergent composition may have any suitable pH.
  • the pH of the composition is adjusted to between 4 and 14. More preferably the composition has pH of between 6 and 13, most preferably between 6 and 10.
  • the pH of the composition can be adjusted using pH modifying ingredients known in the art.
  • compositions of the present invention are cleaning polymers.
  • Those polymers provide improved grease cleaning benefit and/or allow to obtain the same cleaning performance while lowering the required level of surfactants. Those are for example:
  • an alkoxylated polyethyleneimine polymer comprising a polyethyleneimine backbone having from 400 to 10000 weight average molecular weight and the alkoxylated polyethyleneimine polymer further comprises: (1) one or two alkoxylation modifications per nitrogen atom by a polyalkoxylene chain having an average of about 1 to about 30 alkoxy moieties per modification, wherein the terminal alkoxy moiety of the alkoxylation modification is capped with hydrogen, a Ci-C 4 alkyl or mixtures thereof; (2) a substitution of one Ci-C 4 alkyl moiety and one or two alkoxylation modifications per nitrogen atom by a polyalkoxylene chain having an average of about 1 to about 40 alkoxy moieties per modification wherein the terminal alkoxy moiety is capped with hydrogen, a Ci-C 4 alkyl or mixtures thereof; or (3) a combination thereof.
  • a preferred further ingredient of the composition of the present invention is a surfactant selected from nonionic, anionic, cationic surfactants, ampholytic, zwitterionic, semi-polar nonionic surfactants, and mixtures thereof.
  • Surfactants can be comprised at a level of from 1.0% to 50% by weight, preferably from 5% to 40% by weight, more preferably from 25% to 40% by weight preferably from 30% to 38% by weight of the liquid detergent composition.
  • Non- limiting examples of optional surfactants are discussed below.
  • the sulphate or sulphonate surfactant is typically present at a level of at least 5%, preferably from 5% to 40% and more preferably from 15% to 30% and even more preferably at 15% to 25% by weight of the liquid detergent composition.
  • Suitable sulphate or sulphonate surfactants for use in the compositions herein include water-soluble salts or acids of C I0 -C I4 alkyl or hydroxyalkyl, sulphate or sulphonates.
  • Suitable counterions include hydrogen, alkali metal cation or ammonium or substituted ammonium, but preferably sodium.
  • hydrocarbyl chain is branched, it preferably comprises Ci_ 4 alkyl branching units.
  • the average percentage branching of the sulphate or sulphonate surfactant is preferably greater than 30%, more preferably from 35% to 80% and most preferably from 40% to 60% of the total hydrocarbyl chains.
  • the sulphate or sulphonate surfactants may be selected from Cn-Ci 8 alkyl benzene sulphonates (LAS), C8-C 2 0 primary, branched-chain and random alkyl sulphates (AS); Ci 0 -Ci 8 secondary (2,3) alkyl sulphates; Ci 0 -Ci 8 alkyl alkoxy sulphates (AE x S) wherein preferably x is from 1-30; Ci 0 -Ci 8 alkyl alkoxy carboxylates preferably comprising 1-5 ethoxy units; mid-chain branched alkyl sulphates as discussed in US 6,020,303 and US 6,060,443; mid-chain branched alkyl alkoxy sulphates as discussed in US 6,008,181 and US 6,020,303; modified alkylbenzene sulphonate (MLAS) as discussed in WO 99/05243, WO 99/05242, WO 99/05244,
  • the paraffin sulphonates may be monosulphonates or disulphonates and usually are mixtures thereof, obtained by sulphonating paraffins of 10 to 20 carbon atoms.
  • Preferred sulphonates are those of C12-18 carbon atoms chains and more preferably they are C14-17 chains.
  • Paraffin sulphonates that have the sulphonate group(s) distributed along the paraffin chain are described in US2,503,280; US2,507,088; US3, 260,744; US 3,372 188 and in DE 735 096.
  • Alkyl glyceryl sulphonate surfactants and/or alkyl glyceryl sulphate surfactants generally used have high monomer content (greater than 60 wt% by weight of the alkyl glycerol sulphonate surfactant).
  • oligomer includes dimer, trimer, quadrimer, and oligomers up to heptamers of alkyl glyceryl sulphonate surfactant and/or alkyl glyceryl sulphate surfactant.
  • Minimization of the monomer content may be from 0 wt% to 60 wt%, from 0 wt% to 55 wt%, from 0 wt% to 50 wt%, from 0 wt% to 30 wt%, by weight of the alkyl glyceryl sulphonate surfactant and/or alkyl glyceryl sulphate surfactant present.
  • the alkyl glyceryl sulphonate surfactant and/or alkyl glyceryl sulphate surfactant for use herein include such surfactants having an alkyl chain length from Cio-40, Ci 0-22 , Ci 2- I 8 , and Ci6-i 8 .
  • the alkyl chain may be branched or linear, wherein when present, the branches comprise a Ci_ 4 alkyl moiety, such as methyl (Ci) or ethyl (C 2 ).
  • Ci_ 4 alkyl moiety such as methyl (Ci) or ethyl (C 2 ).
  • These surfactants are described on page 2, line 32 to page 4, line 21 and the process of making them on page 4, line 22 to page 6, line 3 of WO2006/041740 published on April 20, 2006 by The Procter & Gamble Company.
  • the alkyl glyceryl sulphate / sulphonate surfactant is optionally present at a level of at least 10%, more preferably from 10% to 40% and most preferably from 10% to 30% by weight of the composition.
  • Dialkylsulfosuccinates may be a C 6- 15 linear or branched dialkyl sulfosuccinate.
  • the alkyl moieties may be symmetrical (i.e., the same alkyl moieties) or asymmetrical (i.e., different alkyl moieties). Preferably, the alkyl moiety is symmetrical.
  • the dialkyl sulfosuccinates may be present in the liquid detergent composition from 0.5% to 10% by weight of the composition.
  • Nonionic surfactanst when present in the composition, are present in an effective amount, more preferably from 0.1% to 20%, by weight of the liquid detergent composition.
  • Suitable nonionic surfactants include the condensation products of aliphatic alcohols with from 1 to 25 moles of ethylene oxide.
  • the alkyl chain of the aliphatic alcohol can either be straight or branched, primary or secondary, and generally contains from 8 to 22 carbon atoms.
  • Particularly preferred are the condensation products of alcohols having an alkyl group containing from 10 to 20 carbon atoms with from 2 to 18 moles of ethylene oxide per mole of alcohol.
  • alkylpolyglycosides having the formula R 2 O(C n H 2n O) t (glycosyl) x (formula (III)), wherein R 2 of formula (III) is selected from the group consisting of alkyl, alkyl-phenyl, hydroxyalkyl, hydroxyalkylphenyl, and mixtures thereof in which the alkyl groups contain from 10 to 18, preferably from 12 to 14, carbon atoms; n of formula (III) is 2 or 3, preferably 2; t of formula (III) is from 0 to 10, preferably 0; and x of formula (III) is from 1.3 to 10, preferably from 1.3 to 3, most preferably from 1.3 to 2.7.
  • the glycosyl is preferably derived from glucose.
  • fatty acid amide surfactants having the formula (IV):
  • R of formula (IV) is an alkyl group containing from 7 to 21, preferably from 9 to 17, carbon atoms and each R 7 of formula (IV) is selected from the group consisting of hydrogen, Ci- C 4 alkyl, Ci-C 4 hydroxyalkyl, and -(C 2 H 4 O) x H where x of formula (IV) varies from 1 to 3.
  • Preferred amides are Cs-C 2O ammonia amides, monoethanolamides, diethanolamides, and isopropanolamides.
  • Cationic surfactants when present in the composition, are present in an effective amount, more preferably from 0.1% to 20%, by weight of the liquid detergent composition.
  • Suitable cationic surfactants are quaternary ammonium surfactants. Suitable quaternary ammonium surfactants are selected from the group consisting of mono C ⁇ -Ci ⁇ , preferably C ⁇ -Cio N-alkyl or alkenyl ammonium surfactants, wherein the remaining N positions are substituted by methyl, hydroxyehthyl or hydroxypropyl groups.
  • Another preferred cationic surfactant is an C ⁇ -Cis alkyl or alkenyl ester of a quaternary ammonium alcohol, such as quaternary chlorine esters. More preferably, the cationic surfactants have the formula (V):
  • Rl of formula (V) is Cs-Cis hydrocarbyl and mixtures thereof, preferably, C 8-I4 alkyl, more preferably, Cg, Ci 0 or Q 2 alkyl, and X of formula (V) is an anion, preferably, chloride or bromide.
  • Preferred ingredients for the liquid detergent compositions are amine oxides surfactants which typically herein may be comprised at a level of from 0.1% to 15% by weight, preferably from 3.0% to 10% by weight of the liquid detergent composition.
  • the amine oxide may have a linear or mid-branched alkyl moiety.
  • Linear amine oxides include water-soluble amine oxides containing one C 8-I8 alkyl moiety and 2 moieties selected from the group consisting of Ci -3 alkyl groups and C i_ 3 hydroxy alkyl groups; water-soluble phosphine oxides containing one Cio-is alkyl moiety and 2 moieties selected from the group consisting of Ci -3 alkyl groups and Ci -3 hydroxyalkyl groups; and water-soluble sulfoxides containing one Cio-is alkyl moiety and a moiety selected from the group consisting of Ci_ 3 alkyl and Ci_ 3 hydroxyalkyl moieties.
  • Preferred amine oxide surfactants have formula (VI):
  • R 3 of formula (VI) is an linear Cg- 22 alkyl, linear Cg- 22 hydroxyalkyl, Cg- 22 alkyl phenyl group, and mixtures thereof;
  • R 4 of formula (VI) is an C 2 - 3 alkylene or C 2 - 3 hydroxyalkylene group or mixtures thereof;
  • x is from 0 to about 3;
  • each R 5 of formula (VI) is an Ci_ 3 alkyl or Ci_ 3 hydroxyalkyl group or a polyethylene oxide group containing an average of from about 1 to about 3 ethylene oxide groups.
  • the R 5 groups of formula (VI) may be attached to each other, e.g., through an oxygen or nitrogen atom, to form a ring structure.
  • the linear amine oxide surfactants in particular may include linear C I0 -C I8 alkyl dimethyl amine oxides and linear C 8 -Ci 2 alkoxy ethyl dihydroxy ethyl amine oxides.
  • Preferred amine oxides include linear Ci 0 , linear Ci 0 -Cn, and linear Ci 2 -Ci 4 alkyl dimethyl amine oxides.
  • mid-branched means that the amine oxide has one alkyl moiety having ni carbon atoms with one alkyl branch on the alkyl moiety having n 2 carbon atoms.
  • the alkyl branch is located on the ⁇ carbon from the nitrogen on t he 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 ni and n 2 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 (ni) should be approximately the same number of carbon atoms as the one alkyl branch (n 2 ) such that the one alkyl moiety and the one alkyl branch are symmetric.
  • symmetric means that I ni - n 2 I is less than or equal to 5, preferably 4, most preferably from 0 to 4 carbon atoms in at least 50 wt%, more preferably at least 75 wt% to 100 wt% of the mid-branched amine oxides for use herein.
  • the amine oxide further comprises two moieties, independently selected from a Ci -3 alkyl, a Ci_ 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 Ci -3 alkyl, more preferably both are selected as a Ci alkyl.
  • amphoteric detergent surfactants that are optional in the present invention include amido propyl betaines and derivatives of aliphatic or heterocyclic secondary and ternary amines in which the aliphatic moiety can be straight chain or branched and wherein one of the aliphatic substituents contains from 8 to 24 carbon atoms and at least one aliphatic substituent contains an anionic water-solubilizing group.
  • amphoteric surfactants comprise from 0.01% to 20%, preferably from 0.5% to 10% by weight of the liquid detergent composition.
  • magnesium ions may be utilized in the detergent composition when the compositions are used in softened water that contains few divalent ions.
  • the magnesium ions preferably are added as a hydroxide, chloride, acetate, sulphate, formate, oxide or nitrate salt to the compositions of the present invention.
  • the magnesium ions are present at an active level of from 0.01 % to 1.5 %, preferably from 0.015 % to 1%, more preferably from 0.025 % to 0.5 %, by weight of the liquid detergent composition.
  • compositions may optionally comprise a solvent.
  • suitable solvents include C 4 - I4 ethers and diethers, glycols, alkoxylated glycols, C ⁇ -Ci ⁇ glycol ethers, alkoxylated aromatic alcohols, aromatic alcohols, aliphatic branched alcohols, alkoxylated aliphatic branched alcohols, alkoxylated linear C 1 -C 5 alcohols, linear C 1 -C 5 alcohols, amines, Cg-Ci 4 alkyl and cycloalkyl hydrocarbons and halohydrocarbons, and mixtures thereof.
  • the liquid detergent composition When present, the liquid detergent composition will contain from 0.01% to 20%, preferably from 0.5% to 20%, more preferably from 1% to 10% by weight of the liquid detergent composition of a solvent.
  • solvents may be used in conjunction with an aqueous liquid carrier, such as water, or they may be used without any aqueous liquid carrier being present.
  • the liquid detergent compositions of the invention may optionally comprise a hydrotrope in an effective amount so that the liquid detergent compositions are appropriately compatible in water.
  • Suitable hydrotropes for use herein include anionic-type hydrotropes, particularly sodium, potassium, and ammonium xylene sulphonate, sodium, potassium and ammonium toluene sulphonate, sodium potassium and ammonium cumene sulphonate, and mixtures thereof, and related compounds, as disclosed in U.S. Patent 3,915,903.
  • the liquid detergent compositions of the present invention typically comprise from 0% to 15% by weight of the liquid detergent composition of a hydrotropic, or mixtures thereof, preferably from 1% to 10%, most preferably from 3% to 6% by weight.
  • compositions of the present invention may optionally contain a polymeric suds stabilizer.
  • These polymeric suds stabilizers provide extended suds volume and suds duration of the liquid detergent compositions.
  • These polymeric suds stabilizers may be selected from homopolymers of (N,N-dialkylamino) alkyl esters and (N,N-dialkylamino) alkyl acrylate esters.
  • the weight average molecular weight of the polymeric suds boosters, determined via conventional gel permeation chromatography, is from 1,000 to 2,000,000, preferably from 5,000 to 1,000,000, more preferably from 10,000 to 750,000, more preferably from 20,000 to 500,000, even more preferably from 35,000 to 200,000.
  • the polymeric suds stabilizer can optionally be present in the form of a salt, either an inorganic or organic salt, for example the citrate, sulphate, or nitrate salt of (N,N-dimethylamino)alkyl acrylate ester.
  • a salt either an inorganic or organic salt, for example the citrate, sulphate, or nitrate salt of (N,N-dimethylamino)alkyl acrylate ester.
  • One preferred polymeric suds stabilizer is (N,N-dimethylamino)alkyl acrylate esters, namely the acrylate ester represented by the formula (VII):
  • the polymeric suds booster may be present in the composition from 0.01% to 15%, preferably from 0.05% to 10%, more preferably from 0.1% to 5%, by weight of the liquid detergent composition.
  • compositions according to the present invention is a diamine. Since the habits and practices of the users of liquid detergent compositions show considerable variation, the composition will preferably contain 0% to 15%, preferably 0.1% to 15%, preferably 0.2% to 10%, more preferably 0.25% to 6%, more preferably 0.5% to 1.5% by weight of said composition of at least one diamine.
  • Preferred organic diamines are those in which pKl and pK2 are in the range of 8.0 to 11.5, preferably in the range of 8.4 to 11, even more preferably from 8.6 to 10.75.
  • Other preferred materials include primary/primary diamines with alkylene spacers ranging from C 4 to C$. In general, it is believed that primary diamines are preferred over secondary and tertiary diamines.
  • pKal and pKa2 are quantities of a type collectively known to those skilled in the art as “pKa” pKa is used herein in the same manner as is commonly known to people skilled in the art of chemistry. Values referenced herein can be obtained from literature, such as from “Critical Stability Constants: Volume 2, Amines” by Smith and Martel, Plenum Press, NY and London, 1975. Additional information on pKa's can be obtained from relevant company literature, such as information supplied by DUPONT®, a supplier of diamines. As a working definition herein, the pKa of the diamines is specified in an all-aqueous solution at 25°C and for an ionic strength between 0.1-0.5 M. Carboxylic Acid
  • the liquid detergent compositions according to the present invention may comprise a linear or cyclic carboxylic acid or salt thereof to improve the rinse feel of the composition.
  • Carboxylic acids useful herein include Ci_ 6 linear or at least 3 carbon containing cyclic acids.
  • the linear or cyclic carbon-containing chain of the carboxylic acid or salt thereof may be substituted with a substituent group selected from the group consisting of hydroxyl, ester, ether, aliphatic groups having from 1 to 6, more preferably 1 to 4 carbon atoms, and mixtures thereof.
  • Preferred carboxylic acids are those selected from the group consisting of salicylic acid, maleic acid, acetyl salicylic acid, 3 methyl salicylic acid, 4 hydroxy isophthalic acid, dihydroxyfumaric acid, 1,2, 4 benzene tricarboxylic acid, pentanoic acid and salts thereof and mixtures thereof.
  • the carboxylic acid exists in the salt form, the cation of the salt is preferably selected from alkali metal, alkaline earth metal, monoethanolamine, diethanolamine or triethanolamine and mixtures thereof.
  • the carboxylic acid or salt thereof when present, is preferably present at the level of from 0.1% to 5%, more preferably from 0.2% to 1% and most preferably from 0.25% to 0.5%.
  • the liquid detergent compositions herein are formulated as clear liquid compositions.
  • clear it is meant stable and transparent.
  • the use of solvents and hydrotropes is well known to those familiar with the art of light-duty liquid dishwashing compositions.
  • Preferred liquid detergent compositions in accordance with the invention are clear single phase liquids, but the invention also embraces clear and opaque products containing dispersed phases, such as beads or pearls as described in US 5,866,529, to Erilli, et al., and US 6,380,150, to Toussaint, et al., provided that such products are physically stable (i.e., do not separate) on storage.
  • the liquid detergent compositions of the present invention may be packages in any suitable packaging for delivering the liquid detergent composition for use.
  • the package is a clear package made of glass or plastic.
  • liquid detergent compositions herein can further comprise a number of other optional ingredients suitable for use in liquid detergent compositions such as perfume, dyes, opacifiers, enzymes, chelants, thickening agents and pH buffering means so that the liquid detergent compositions herein generally have a pH of from 4 to 14, preferably 6 to 13, most preferably 6 to 10.
  • other optional ingredients suitable for use in liquid detergent compositions such as perfume, dyes, opacifiers, enzymes, chelants, thickening agents and pH buffering means so that the liquid detergent compositions herein generally have a pH of from 4 to 14, preferably 6 to 13, most preferably 6 to 10.
  • the process comprises generally the steps of applying said composition onto said dishware, typically in diluted or neat form and rinsing or leaving said composition to dry on said surface without rinsing said surface.
  • liquid composition in its neat form, it is meant herein that said liquid composition is applied directly onto the surface to be treated without undergoing any dilution by the user (immediately) prior to the application.
  • diluted form it is meant herein that said liquid composition is diluted by the user with an appropriate solvent, typically with water.
  • solvent typically with water.
  • substantially quantities it is meant usually 5 to 20 liters.
  • the composition herein can be applied in its diluted form.
  • Soiled dishes are contacted with an effective amount, typically from 0.5 ml. to 20 ml (per 25 dishes being treated), preferably from 3ml to 10 ml, of the liquid detergent composition of the present invention diluted in water.
  • the actual amount of liquid detergent composition used will be based on the judgment of user, and will typically depend upon factors such as the particular product formulation of the composition, including the concentration of active ingredients in the composition, the number of soiled dishes to be cleaned, the degree of soiling on the dishes, and the like.
  • the particular product formulation in turn, will depend upon a number of factors, such as the intended market (i.e., U.S., Europe, Japan, etc.) for the composition product. Suitable examples may be seen below in Table A.
  • a liquid detergent composition of the invention is combined with from 2000 ml to 20000 ml, more typically from 5000 ml to 15000 ml of water in a sink having a volumetric capacity in the range of from 1000 ml to 20000 ml, more typically from 5000 ml to 15000 ml.
  • the soiled dishes are immersed in the sink containing the diluted compositions then obtained, where contacting the soiled surface of the dish with a cloth, sponge, or similar article cleans them.
  • the cloth, sponge, or similar article may be immersed in the detergent composition and water mixture prior to being contacted with the dish surface, and is typically contacted with the dish surface for a period of time ranged from 1 to 10 seconds, although the actual time will vary with each application and user.
  • the contacting of cloth, sponge, or similar article to the dish surface is preferably accompanied by a concurrent scrubbing of the dish surface.
  • Another method will comprise immersing the soiled dishes into a water bath or held under running water without any liquid dishwashing detergent.
  • a device for absorbing liquid dishwashing detergent such as a sponge, is placed directly into a separate quantity of undiluted liquid dishwashing composition for a period of time typically ranging from 1 to 5 seconds.
  • the absorbing device, and consequently the undiluted liquid dishwashing composition is then contacted individually to the surface of each of the soiled dishes to remove said soiling.
  • the absorbing device is typically contacted with each dish surface for a period of time range from 1 to 10 seconds, although the actual time of application will be dependent upon factors such as the degree of soiling of the dish.
  • the contacting of the absorbing device to the dish surface is preferably accompanied by concurrent scrubbing.
  • Ci 2 -i3 alkyl ethoxy sulphonate containing an average of x from 0.5 to 3 ethoxy groups.
  • Nonionic is Ci 0-H Alkyl ethoxylated surfactant containing 8-9 ethoxy
  • 1,3, BAC is 1,3 bis(methylamine)-cyclohexane.
  • Hydroxy propyl methyl cellulose Methocell E50 PVC having a Mn 23,000 6: Alkoxylated polyethyleneimine polymer, PEI600 or PEI5000with 7-10 ethoxy moieties (EO) and 0-7 propoxy moieties (PO) per nitrogen of the polyethyleneimine backbone (NH).

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  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
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  • Molecular Biology (AREA)
  • Emergency Medicine (AREA)
  • Detergent Compositions (AREA)

Abstract

La présente invention concerne une composition de détergent liquide pour travaux légers comprenant un polymère cellulosique de faible masse moléculaire modifié de façon hydrophobe, pour fournir de meilleures propriétés de moussage.
PCT/IB2009/050126 2008-01-22 2009-01-13 Composition de détergent liquide Ceased WO2009093150A1 (fr)

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JP2010543591A JP5555182B2 (ja) 2008-01-22 2009-01-13 液体洗剤組成物
US12/391,288 US8512480B2 (en) 2008-01-22 2009-02-24 Liquid detergent composition comprising a hydrophobically modified cellulosic polymer

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EP08150489.6 2008-01-22
EP08150489A EP2083066A1 (fr) 2008-01-22 2008-01-22 Composition de détergent liquide

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EP4089159A1 (fr) 2021-05-10 2022-11-16 The Procter & Gamble Company Composition de détergent liquide pour lavage de la vaisselle à la main
US12454663B2 (en) 2021-02-25 2025-10-28 Dow Global Technologies Llc Cleaning bar
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JP7791199B2 (ja) * 2021-02-25 2025-12-23 ダウ シリコーンズ コーポレーション 水性軽質液体洗剤配合物
JP2024089925A (ja) * 2022-12-22 2024-07-04 ライオン株式会社 食器用の液体洗浄剤組成物

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WO2017142869A1 (fr) * 2016-02-15 2017-08-24 Hercules Llc Composition d'entretien domestique
CN109071682A (zh) * 2016-02-15 2018-12-21 赫尔克里士有限公司 家庭护理组合物
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