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WO1998055572A1 - Compositions nettoyantes liquides pour lavages delicats - Google Patents

Compositions nettoyantes liquides pour lavages delicats Download PDF

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Publication number
WO1998055572A1
WO1998055572A1 PCT/US1998/009394 US9809394W WO9855572A1 WO 1998055572 A1 WO1998055572 A1 WO 1998055572A1 US 9809394 W US9809394 W US 9809394W WO 9855572 A1 WO9855572 A1 WO 9855572A1
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WIPO (PCT)
Prior art keywords
alkyl
surfactant
composition
solubilizing agent
group
Prior art date
Application number
PCT/US1998/009394
Other languages
English (en)
Inventor
Barbara Thomas
Gilbert Gomes
Original Assignee
Colgate-Palmolive Company
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Colgate-Palmolive Company filed Critical Colgate-Palmolive Company
Priority to AU72943/98A priority Critical patent/AU7294398A/en
Publication of WO1998055572A1 publication Critical patent/WO1998055572A1/fr

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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
    • 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
    • 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
    • C11D1/02—Anionic compounds
    • C11D1/34—Derivatives of acids of phosphorus
    • C11D1/345—Phosphates or phosphites
    • 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
    • C11D1/38—Cationic compounds
    • C11D1/52—Carboxylic amides, alkylolamides or imides or their condensation products with alkylene oxides
    • C11D1/523—Carboxylic alkylolamides, or dialkylolamides, or hydroxycarboxylic amides (R1-CO-NR2R3), where R1, R2 or R3 contain one hydroxy group per alkyl group
    • 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
    • C11D1/662—Carbohydrates or derivatives
    • 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
    • C11D1/88—Ampholytes; Electroneutral compounds
    • C11D1/90—Betaines

Definitions

  • This invention relates to a light duty liquid cleaning composition which imparts enhanced mildness to the skin and is designed in particular for dishware and which is effective in removing grease soil and in leaving unrinsed surfaces with a shiny appearance.
  • Background of the Invention The present invention relates to novel light duty liquid detergent compositions with high foaming properties, containing a sulfonate surfactant, an ammonium salt of an ethoxylated alkyl ether sulfate surfactant, an alkyl succinate surfactant, an alkyl polyglucoside surfactant and water.
  • 4,329,335 also discloses a shampoo containing a betaine surfactant as the major ingredient and minor amounts of a nonionic surfactant and of a fatty acid mono- or di-ethanolamide.
  • U.S. Patent No. 4,259,204 discloses a shampoo comprising 0.8-20% by weight of an anionic phosphoric acid ester and one additional surfactant which may be either anionic, amphoteric, or nonionic.
  • U.S. Patent No. 4,329,334 discloses an anionic-amphoteric based shampoo containing a major amount of anionic surfactant and lesser amounts of a betaine and nonionic surfactants.
  • 3,935,129 discloses a liquid cleaning composition based on the alkali metal silicate content and containing five basic ingredients, namely, urea, glycerin, triethanolamine, an anionic detergent and a nonionic detergent.
  • the silicate content determines the amount of anionic and/or nonionic detergent in the liquid cleaning composition.
  • the foaming property of these detergent compositions is not discussed therein.
  • U.S. Patent No. 4,129,515 discloses a heavy duty liquid detergent for laundering fabrics comprising a mixture of substantially equal amounts of anionic and nonionic surfactants, alkanolamines and magnesium salts, and, optionally, zwittehonic surfactants as suds modifiers.
  • U.S. Patent No. 4,224,195 discloses an aqueous detergent composition for laundering socks or stockings comprising a specific group of nonionic detergents, namely, an ethylene oxide of a secondary alcohol, a specific group of anionic detergents, namely, a sulfuric ester salt of an ethylene oxide adduct of a secondary alcohol, and an amphoteric surfactant which may be a betaine, wherein either the anionic or nonionic surfactant may be the major ingredient.
  • a specific group of nonionic detergents namely, an ethylene oxide of a secondary alcohol
  • anionic detergents namely, a sulfuric ester salt of an ethylene oxide adduct of a secondary alcohol
  • amphoteric surfactant which may be a betaine, wherein either the anionic or nonionic surfactant may be the major ingredient.
  • the prior art also discloses detergent compositions containing all nonionic surfactants as shown in U.S. Patent Nos. 4,154,706 and 4,329,336 wherein the shampoo compositions contain a plurality of particular nonionic surfactants in order to effect desirable foaming and detersive properties despite the fact that nonionic surfactants are usually deficient in such properties.
  • U.S. Patent No. 4,013,787 discloses a piperazine based polymer in conditioning and shampoo compositions which may contain all nonionic surfactant or all anionic surfactant.
  • U.S. Patent 4,671 ,895 teaches a liquid detergent composition containing an alcohol sulfate surfactant, a nonionic surfactant, a paraffin sulfonate surfactant, an alkyl ether sulfate surfactant and water.
  • U.S. Patent No. 4,450,091 discloses high viscosity shampoo compositions containing a blend of an amphoteric betaine surfactant, a polyoxybutylene polyoxyethylene nonionic detergent, an anionic surfactant, a fatty acid alkanolamide and a polyoxyalkylene glycol fatty ester. But, none of the exemplified compositions contains an active ingredient mixture wherein the nonionic detergent is present in major proportion, probably due to the low foaming properties of the polyoxybutylene polyoxyethylene nonionic detergent.
  • U.S. Patent No. 4,595,526 describes a composition comprising a nonionic surfactant, a betaine surfactant, an anionic surfactant and a C12- 14 fatty acid monoethanolamide foam stabilizer.
  • An object of this invention is to provide a novel light duty liquid detergent composition containing a sulfonate surfactant, an alkali metal salt or ammonium salt of an ethoxylated alkyl ether sulfate surfactant, an alkyl polyglucoside surfactant, an alkyl phosphate ester, and water wherein the composition does not contain any amine oxide, silicas, abrasives, alkali metal carbonates, alkaline earth metal carbonates, alkyl glycine surfactant, cyclic imidinium surfactant, low molecular weight mono- or di- glucoside organoaluminum containing compounds, organo titanium containing compounds, triethylene tetramine hexaacetic acid, imidazolenes, or more than 3 wt. % of a fatty acid or salt thereof.
  • Another object of this invention is to provide a novel light duty liquid detergent with desirable high foaming and cleaning properties which is very mild to the human skin.
  • the light duty liquid compositions of the instant invention comprise approximately by weight: (a) 0.5% to 22% of an alkali metal salt or ammonium salt of a C8-18 ethoxylated alkyl ether sulfate;
  • composition does not contain any electrolyte such as alkali metal alkalene earth metal or ammonium carbonates, pyrophosphates, polyphosphates, silicates, phosphates, nitriloacetates or chlorides, nitrates phosphonates, zeolites, ethylene diamine tetraacetates, citrates and the composition does not contain a space-filling, floc-like aggregate of surfactant spherulites, substantially co-continuous with an aqueous liquid micellar solution and the composition does not contain any alkali metal detergent builder salt such as condensed phosphates, phosphonates, orthophosphates, carbonates and zeolites.
  • electrolyte such as alkali metal alkalene earth metal or ammonium carbonates, pyrophosphates, polyphosphates, silicates, phosphates, nitriloacetates or chlorides, nitrates phosphonates, zeolites,
  • the C8-18 ethoxylated alkyl ether sulfate surfactants used in the instant composition have the structure:
  • n is about 1 to about 22 more preferably 1 to 3 and R is an alkyl group having about 8 to about 18 carbon atoms, more preferably 12 to 15 and natural cuts, for example, Ci 2-14; Cl 2-15 and M is an ammonium cation or an alkali metal cation, most preferably sodium or ammonium.
  • the ethoxylated alkyl ether sulfate is present in the composition at a concentration of about 0.5 wt. % to about 22 wt. %, more preferably about 1 wt. % to 20 wt. %.
  • the ethoxylated alkyl ether sulfate may be made by sulfating the condensation product of ethylene oxide and C8-10 aikanol, and neutralizing the resultant product.
  • the ethoxylated alkyl ether sulfates differ from one another in the number of carbon atoms in the alcohols and in the number of moles of ethylene oxide reacted with one mole of such alcohol.
  • Preferred ethoxylated alkyl ether polyethenoxy sulfates contain 12 to 15 carbon atoms in the alcohols and in the alkyl groups thereof, e.g., sodium myristyl (3 EO) sulfate.
  • Ethoxylated C8-18 alkylphenyl ether sulfates containing from 2 to 6 moles of ethylene oxide in the molecule are also suitable for use in the invention compositions.
  • These detergents can be prepared by reacting an alkyl phenol with 2 to 6 moles of ethylene oxide and sulfating and neutralizing the resultant ethoxylated alkylphenol.
  • the linear alkyl benzene sulfonate contains from 10 to 16 carbon atoms in the alkyl group are used in the instant compositions wherein the alkyl benzene sulfonates has a high content of 3- (or higher) phenyl isomers and a correspondingly low content (well below 50%) of 2- (or lower) phenyl isomers, that is, wherein the benzene ring is preferably attached in large part at the 3 or higher (for example, 4, 5, 6 or 7) position of the alkyl group and the content of the isomers in which the benzene ring is attached in the 2 or 1 position.
  • the sulfonate surfactants is a magnesium salt of a C10-C16 linear alkyl benzene sulfonate used at a concentration of about 0 wt. % to about 10 wt. %, more preferably about 0.5 wt. % to about 9 wt. % in the instant compositions.
  • compositions contain about 0 wt. % to about 20 wt. %, more preferably 4 wt. % to 18 wt. % of an alkyl polysaccharide surfactant.
  • the alkyl polysaccharides surfactants which are used in conjunction with the aforementioned surfactant have a hydrophobic group containing from about 8 to about 20 carbon atoms, preferably from about 10 to about 16 carbon atoms, most preferably from about 12 to about 14 carbon atoms, and polysaccharide hydrophilic group containing from about 1.5 to about 10, preferably from about 1.5 to about 4, most preferably from about 1.6 to about 2.7 saccharide units (e.g., galactoside, glucoside, fructoside, glucosyl, fructosyl; and/or galactosyl units).
  • the number x indicates the number of saccharide units in a particular alkyl polysaccharide surfactant.
  • x can only assume integral values.
  • the physical sample can be characterized by the average value of x and this average value can assume non-integral values. In this specification the values of x are to be understood to be average values.
  • the hydrophobic group (R) can be attached at the 2-, 3-, or 4- positions rather than at the 1 -position, (thus giving e.g.
  • glucosyl or galactosyl as opposed to a glucoside or galactoside).
  • attachment through the 1 - position i.e., glucosides, galactoside, fructosides, etc.
  • the additional saccharide units are predominately attached to the previous saccharide unit's 2-position. Attachment through the 3-, 4-, and 6- positions can also occur.
  • the preferred alkoxide moiety is ethoxide.
  • Typical hydrophobic groups include alkyl groups, either saturated or unsaturated, branched or unbranched containing from about 8 to about 20, preferably from about 10 to about 18 carbon atoms.
  • the alkyl group is a straight chain saturated alkyl group.
  • the alkyl group can contain up to 3 hydroxy groups and/or the polyalkoxide chain can contain up to about 30, preferably less than about 10, alkoxide moieties.
  • Suitable alkyl polysaccharides are decyl, dodecyl, tetradecyl, pentadecyl, hexadecyl, and octadecyl, di-, tri-, tetra-, penta-, and hexaglucosides, galactosides, lactosides, fructosides, fructosyls, lactosyls, glucosyls and/or galactosyls and mixtures thereof.
  • the alkyl monosaccharides are relatively less soluble in water than the higher alkyl polysaccharides. When used in admixture with alkyl polysaccharides, the alkyl monosaccharides are solubilized to some extent.
  • the use of alkyl monosaccharides in admixture with alkyl polysaccharides is a preferred mode of carrying out the invention. Suitable mixtures include coconut alkyl, di-, tri-, tetra-, and pentaglucosides and tallow alkyl tetra-, penta-, and hexaglucosides.
  • the preferred alkyl polysaccharides are alkyl polyglucosides having the formula
  • RO(C n H2nO)r(Z) x wherein Z is derived from glucose, R is a hydrophobic group selected from the group consisting of alkyl, alkylphenyl, hydroxyalkylphenyl, and mixtures thereof in which said alkyl groups contain from about 10 to about 18, preferably from about 12 to about 14 carbon atoms; n is 2 or 3 preferably 2, r is from 0 to 10, preferably 0; and x is from 1.5 to 8, preferably from 1.5 to 4, most preferably from 1.6 to 2.7.
  • R2OH long chain alcohol
  • the alkyl polyglucosides can be prepared by a two step procedure in which a short chain alcohol (R-
  • the short chain alkylglucoside content of the final alkyl polyglucoside material should be less than 50%, preferably less than 10%, more preferably less than about 5%, most preferably 0% of the alkyl polyglucoside.
  • the amount of unreacted alcohol (the free fatty alcohol content) in the desired alkyl polysaccharide surfactant is preferably less than about 2%, more preferably less than about 0.5% by weight of the total of the alkyl polysaccharide. For some uses it is desirable to have the alkyl monosaccharide content less than about 10%.
  • alkyl polysaccharide surfactant is intended to represent both the preferred glucose and galactose derived surfactants and the less preferred alkyl polysaccharide surfactants.
  • alkyl polyglucoside is used to include alkyl polyglycosides because the stereochemistry of the saccharide moiety is changed during the preparation reaction.
  • APG glycoside surfactant is APG 625 glycoside manufactured by the Henkel Corporation of Ambler, PA.
  • APG 625 has: a pH of 6 to 10 (10% of APG 625 in distilled water); a specific gravity at 25°C of 1.1 g/ml; a density at 25°C of 9.1 lbs/gallon; a calculated HLB of 12.1 and a Brookfield viscosity at 35°C, 21 spindle, 5-10 RPM of 3,000 to 7,000 cps.
  • the instant compositions contains about 0.1 wt. % to about 8 wt. %, more preferably about 0.25 wt. % to about 6 wt.
  • the nonionic surfactant is present in amounts of about 0 to 30%, preferably 1 % to 25%, most preferably 2% to 20%, by weight of the composition.
  • the water soluble nonionic surfactants utilized in this invention are commercially well known and include the primary aliphatic alcohol ethoxylates, secondary aliphatic alcohol ethoxylates, alkylphenol ethoxylates and ethylene-oxide-propylene oxide condensates on primary alkanols, such a Plurafacs (BASF) and condensates of ethylene oxide with sorbitan fatty acid esters such as the Tweens (ICI).
  • the nonionic synthetic organic detergents generally are the condensation products of an organic aliphatic or alkyl aromatic hydrophobic compound and hydrophilic ethylene oxide groups.
  • any hydrophobic compound having a carboxy, hydroxy, amido, or amino group with a free hydrogen attached to the nitrogen can be condensed with ethylene oxide or with the polyhydration product thereof, polyethylene glycol, to form a water-soluble nonionic detergent. Further, the length of the polyethenoxy chain can be adjusted to achieve the desired balance between the hydrophobic and hydrophilic elements.
  • the nonionic detergent class includes the condensation products of a higher alcohol (e.g., an aikanol containing about 8 to 18 carbon atoms in a straight or branched chain configuration) condensed with about 5 to 30 moles of ethylene oxide, for example, lauryl or myristyl alcohol condensed with about 16 moles of ethylene oxide (EO), t decanol condensed with about 6 to moles of EO, myristyl alcohol condensed with about 10 moles of EO per mole of myristyl alcohol, the condensation product of EO with a cut of coconut fatty alcohol containing a mixture of fatty alcohols with alkyl chains varying from 10 to about 14 carbon atoms in length and wherein the condensate contains either about 6 moles of EO per mole of total alcohol or about 9 moles of EO per mole of alcohol and tallow alcohol ethoxylates containing 6 EO to 11 EO per mole of alcohol.
  • a higher alcohol e.g
  • Neodol ethoxylates which are higher aliphatic, primary alcohol containing about 9- 15 carbon atoms, such as Cg-C-
  • ethoxamers have an HLB (hydrophobic lipophilic balance) value of about 8-15 and give good O/W emulsification, whereas ethoxamers with HLB values below 8 contain less than 5 ethyleneoxide groups and tend to be poor emulsifiers and poor detergents.
  • HLB hydrophobic lipophilic balance
  • Additional satisfactory water soluble alcohol ethylene oxide condensates are the condensation products of a secondary aliphatic alcohol containing 8 to 18 carbon atoms in a straight or branched chain configuration condensed with 5 to 30 moles of ethylene oxide.
  • Examples of commercially available nonionic detergents of the foregoing type are C-
  • nonionic detergents include the polyethylene oxide condensates of one mole of alkyl phenol containing from about 8 to 18 carbon atoms in a straight- or branched chain alkyl group with about 5 to 30 moles of ethylene oxide.
  • alkyl phenol ethoxylates include nonyl phenol condensed with about 9.5 moles of EO per mole of nonyl phenol, dinonyl phenol condensed with about 12 moles of EO per mole of dinonyl phenol, dinonyl phenol condensed with about 15 moles of EO per mole of phenol and di-isoctylphenol condensed with about 15 moles of EO per mole of phenol.
  • nonionic surfactants of this type include Igepal CO-630 (nonyl phenol ethoxylate) marketed by GAF Corporation.
  • Condensates of 2 to 30 moles of ethylene oxide with sorbitan mono- and tri- C10- 20 alkanoic acid esters having a HLB of 8 to 15 also may be employed as the nonionic detergent ingredient in the described shampoo.
  • These surfactants are well known and are available from Imperial Chemical Industries under the Tween trade name. Suitable surfactants include polyoxyethylene (4) sorbitan monolaurate, polyoxyethylene (4) sorbitan monostearate, polyoxyethylene (20) sorbitan trioleate and polyoxyethylene (20) sorbitan tristearate.
  • the water-soluble zwitte onic surfactant which is also an essential ingredient of present liquid detergent composition, constitutes about 1 to 10%, more preferably 1 % to 8%, by weight and provides good foaming properties and mildness to the present nonionic based liquid detergent.
  • the zwitterionic surfactant is a water soluble betaine having the general formula:
  • R3 wherein X " is selected from the group consisting of C02 " and SO3 " and R-
  • Typical alkyldimethyl betaines include decyl dimethyl betaine or 2-(N-decyl-N, N-dimethyl-ammonia) acetate, coco dimethyl betaine or 2-(N- coco N, N-dimethylammonia) acetate, myristyl dimethyl betaine, palmityl dimethyl betaine, lauryl dimethyl betaine, cetyl dimethyl betaine, stearyl dimethyl betaine, etc.
  • the amidobetaines similarly include cocoamidoethylbetaine, cocoamidopropyl betaine and the like.
  • a preferred betaine is coco (Cs-C-i s) amidopropyl dimethyl betaine.
  • Two preferred betaine surfactants are Rewoteric AMB 13 and Golmschmidt Betaine L7.
  • the instant compositions contain about 1 wt. % to about 6 wt. %, more preferably about 1.5 wt. % to about 5 wt. % of a C12-C14 alkyl monoalkanol amide and/or alkyl dialkanoi amide such as lauryl monoalkanol amide (LMMEA) and lauryl diethanol amide.
  • LMEA lauryl monoalkanol amide
  • the instant compositions contain about 0 wt. % to about 12 wt. %, more preferably about 1 wt. % to about 10 wt. %, of at least one solubilizing agent which can be sodium xylene sulfonate, sodium cumene sulfonate, a C2-3 mono or dihydroxy alkanols such as ethanol, isopropanol and propylene glycol and mixtures thereof.
  • the solubilizing agents are included in order to control low temperature cloud clear properties.
  • Urea can be optionally employed in the instant composition as a supplemental solubilizing agent at a concentration of 0 to about 10 wt. %, more preferably about 0.5 wt. % to about 8 wt. %.
  • solubilizing agents are glycerol, water-soluble polyethylene glycols having a molecular weight of 300 to 600, polypropylene glycol of the formula HO(CH3CHCH2 ⁇ )nH wherein n is a number from 2 to 18, mixtures of polyethylene glycol and polypropylene glycol (Synalox) and mono C1 -C6 alkyl ethers and esters of ethylene glycol and propylene glycol having the structural formulas R(X)nOH and Rl (X) n OH wherein R is C1 -C6 alkyl group, Ri is C2-C4 acyl group, X is (OCH2CH2) or (OCH2(CH3)CH) and n is a number from 1 to 4.
  • Representative members of the polypropylene glycol include dipropylene glycol and polypropylene glycol having a molecular weight of 200 to 1000, e.g., polypropylene glycol 400.
  • Other satisfactory glycol ethers are ethylene glycol monobutyl ether (butyl cellosolve), diethylene glycol monobutyl ether (butyl carbitol), triethylene glycol monobutyl ether, mono, di, tri propylene glycol monobutyl ether, tetraethylene glycol monobutyl ether, mono, di, tripropylene glycol monomethyl ether, propylene glycol monomethyl ether, ethylene glycol monohexyl ether, diethylene glycol monohexyl ether, propylene glycol tertiary butyl ether, ethylene glycol monoethyl ether, ethylene glycol monomethyl ether, ethylene glycol monopropyl ether, ethylene glycol monopentyl ether, diethylene glycol mono
  • the instant formulas explicitly exclude alkali metal silicates and alkali metal builders such as alkali metal polyphosphates, alkali metal carbonates, alkali metal phosphonates and alkali metal citrates because these materials, if used in the instant composition, would cause the composition to have a high pH as well as leaving residue on the surface being cleaned.
  • the final essential ingredient in the inventive compositions having improved interfacial tension properties is water.
  • the instant compositions exhibit stability at reduced and increased temperatures. More specifically, such compositions remain clear and stable in the range of 5°C to 50°C, especially 10°C to 43°C.
  • the instant compositions have a light transmission of at least 95%. Such compositions exhibit a pH of 5 to 8.
  • the liquid compositions are readily pourable and exhibit a viscosity in the range of 100 to 600 cps as measured at 25°C with a Brookfield RVT Viscometer using a #2 spindle rotating at 30 RPM. Preferably, the viscosity is maintained in the range of 300 to 500 cps.
  • the instant compositions have a minimum foam height of 110 mis after 55 rotation at 40°C as measured by the foam volume test using 0.75 grams of the composition per liter of water and 1 gram of corn oil per liter of water having a hardness of 300 ppm.
  • the following examples illustrate liquid cleaning compositions of the described invention. Unless otherwise specified, all percentages are by weight. The exemplified compositions are illustrative only and do not limit the scope of the invention. Unless otherwise specified, the proportions in the examples and elsewhere in the specification are by weight.
  • Example 1 The following compositions in wt. % were prepared by simple mixing procedure :

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Abstract

L'invention concerne un détergent liquide pour lavages délicats aux propriétés nettoyantes appropriées, et doux pour la peau. Ce détergent renferme: a) 0,5 % à 22 % d'un sel de métal alcalin ou d'un sel d'ammonium d'alkyl-éther éthoxylé en C8-C18; b) 0,1 % à 8 % d'un ester phosphorique monoalkyle; c) 0,5 % à 10 % d'un sel de magnésium d'un tensioactif d'alkyl-benzène sulfonate; d) 0 à 12 % d'un agent de solubilisation; e) 0 à 20 % d'un tensioactif alkyl-polyglucoside; f) 1 % à 6 % d'un alkyl monoalcanol amide et/ou d'un alkyl dialcanol amide en C12-C14; g) 1 % à 10 % d'un tensioactif zwittérionique; h) 0 à 30 % d'un tensioactif non ionique, le solde i) étant constitué par l'eau.
PCT/US1998/009394 1997-06-06 1998-05-07 Compositions nettoyantes liquides pour lavages delicats WO1998055572A1 (fr)

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AU72943/98A AU7294398A (en) 1997-06-06 1998-05-07 Light duty liquid cleaning compositions

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US97613097A 1997-06-06 1997-06-06
US08/976,130 1997-06-06

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002092743A1 (fr) * 2001-05-11 2002-11-21 Colgate-Palmolive Company Compositions antibacteriennes liquides de nettoyage de la vaisselle presentant une viscosite amelioree
WO2003080786A1 (fr) * 2002-03-21 2003-10-02 Colgate-Palmolive Company Compositions antibacteriennes liquides pour la vaisselle
WO2008074667A1 (fr) * 2006-12-20 2008-06-26 Unilever N.V. Composition pour le lavage de la vaisselle
EP1939274A1 (fr) * 2006-12-20 2008-07-02 Unilever N.V. Composition pour lavage de vaisselle
WO2009154615A1 (fr) * 2008-06-17 2009-12-23 Colgate-Palmolive Company Compositions de nettoyage liquides légères et procédés de fabrication et d'utilisation de celles-ci
WO2009154614A1 (fr) * 2008-06-17 2009-12-23 Colgate-Palmolive Company Compositions de nettoyage liquides légères et procédés de fabrication et d'utilisation de celles-ci

Citations (1)

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Publication number Priority date Publication date Assignee Title
WO1997038071A1 (fr) * 1996-04-08 1997-10-16 Colgate-Palmolive Company Compositions liquides detergentes pour lavages delicats

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997038071A1 (fr) * 1996-04-08 1997-10-16 Colgate-Palmolive Company Compositions liquides detergentes pour lavages delicats

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002092743A1 (fr) * 2001-05-11 2002-11-21 Colgate-Palmolive Company Compositions antibacteriennes liquides de nettoyage de la vaisselle presentant une viscosite amelioree
WO2003080786A1 (fr) * 2002-03-21 2003-10-02 Colgate-Palmolive Company Compositions antibacteriennes liquides pour la vaisselle
WO2008074667A1 (fr) * 2006-12-20 2008-06-26 Unilever N.V. Composition pour le lavage de la vaisselle
EP1939274A1 (fr) * 2006-12-20 2008-07-02 Unilever N.V. Composition pour lavage de vaisselle
AU2007336423B2 (en) * 2006-12-20 2010-10-14 Unilever Plc Dishwashing composition
WO2009154615A1 (fr) * 2008-06-17 2009-12-23 Colgate-Palmolive Company Compositions de nettoyage liquides légères et procédés de fabrication et d'utilisation de celles-ci
WO2009154614A1 (fr) * 2008-06-17 2009-12-23 Colgate-Palmolive Company Compositions de nettoyage liquides légères et procédés de fabrication et d'utilisation de celles-ci

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