WO1998000497A2 - Composition liquide de nettoyage sous forme de microemulsion, d'usage general - Google Patents

Composition liquide de nettoyage sous forme de microemulsion, d'usage general Download PDF

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Publication number
WO1998000497A2
WO1998000497A2 PCT/US1997/010016 US9710016W WO9800497A2 WO 1998000497 A2 WO1998000497 A2 WO 1998000497A2 US 9710016 W US9710016 W US 9710016W WO 9800497 A2 WO9800497 A2 WO 9800497A2
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WIPO (PCT)
Prior art keywords
cleaning composition
carpet cleaning
ether
acid
weight
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PCT/US1997/010016
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English (en)
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WO1998000497A3 (fr
Inventor
Germaine Zocchi
Betty Kong
Myriam Mondin
Marianne Mahieu
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Colgate-Palmolive Company
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Application filed by Colgate-Palmolive Company filed Critical Colgate-Palmolive Company
Priority to AU32338/97A priority Critical patent/AU3233897A/en
Publication of WO1998000497A2 publication Critical patent/WO1998000497A2/fr
Publication of WO1998000497A3 publication Critical patent/WO1998000497A3/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
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/48—Medical, disinfecting agents, disinfecting, antibacterial, germicidal or antimicrobial compositions
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/10—Aromatic or araliphatic carboxylic acids, or thio analogues thereof; Derivatives thereof
    • 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
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0008—Detergent materials or soaps characterised by their shape or physical properties aqueous liquid non soap compositions
    • C11D17/0017—Multi-phase liquid compositions
    • C11D17/0021—Aqueous microemulsions
    • 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
    • C11D3/0031—Carpet, upholstery, fur or leather cleansers
    • 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
    • C11D3/2068—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
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2075—Carboxylic acids-salts thereof
    • C11D3/2079—Monocarboxylic acids-salts thereof
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2075—Carboxylic acids-salts thereof
    • C11D3/2082—Polycarboxylic acids-salts thereof
    • 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
    • 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
    • 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
    • C11D1/66—Non-ionic compounds
    • C11D1/74—Carboxylates or sulfonates esters of polyoxyalkylene glycols

Definitions

  • This invention relates to an improved carpet liquid cleaner can be in the form of a liquid crystal or a microemulsion designed in particular for cleaning carpets and which is effective in killing dust mites.
  • Background of the Invention In recent years all-purpose liquid detergents have become widely accepted for cleaning hard surfaces, e.g., painted woodwork and panels, tiled walls, wash bowls, bathtubs, linoleum or tile floors, washable wall paper, etc..
  • Such all-purpose liquids comprise clear and opaque aqueous mixtures of water-soluble synthetic organic detergents and water-soluble detergent builder salts.
  • U.S. Patent No. 4,017,409 teaches that a mixture of paraffin sulfonate and a reduced concentration of inorganic phosphate builder salt should be employed.
  • such compositions are not completely acceptable from an environmental point of view based upon the phosphate content.
  • another alternative to achieving phosphate-free all-purpose liquids has been to use a major proportion of a mixture of anionic and nonionic detergents with minor amounts of glycol ether solvent and organic amine as shown in U.S. Patent No. 3,935,130.
  • an o/w microemulsion is a spontaneously forming colloidal dispersion of "oil" phase particles having a particle size in the range of 25 A to 800 A in a continuous aqueous phase.
  • microemulsions are transparent to light and are clear and usually highly stable against phase separation.
  • Patent disclosures relating to use of grease-removal solvents in o/w microemulsions include, for example, European Patent Applications EP 0137615 and EP 0137616 - Herbots et al; European Patent Application EP 0160762 - Johnston et al; and U.S. Patent No. 4,561 ,991 - Herbots et al. Each of these patent disclosures also teaches using at least 5% by weight of grease-removal solvent.
  • compositions of this invention described by Herbots et al. require at least 5% of the mixture of grease-removal solvent and magnesium salt and preferably at least 5% of solvent (which may be a mixture of water-immiscible non-polar solvent with a sparingly soluble slightly polar solvent) and at least 0.1 % magnesium salt.
  • Liquid detergent compositions which include terpenes, such as d-limonene, or other grease-removal solvent, although not disclosed to be in the form of o/w microemulsions, are the subject matter of the following representative patent documents: European Patent Application 0080749; British Patent Specification 1 ,603,047; 4,414,128; and 4,540,505.
  • European Patent Application 0080749 British Patent Specification 1 ,603,047; 4,414,128; and 4,540,505.
  • U.S. Patent No. 4,414,128 broadly discloses an aqueous liquid detergent composition characterized by, by weight:
  • (c ) from 0.5% 10% of a polar solvent having a solubility in water at 15°C in the range of from 0.2% to 10%.
  • Other ingredients present in the formulations disclosed in this patent include from 0.05% to 2% by weight of an alkali metal, ammonium or alkanolammonium soap of a C13-C24 fatty acid; a calcium sequestrant from 0.5% to
  • non-aqueous solvent e.g., alcohols and glycol ethers, up to 10% by weight
  • hydrotropes e.g., urea, ethanolamines, salts of lower alkylaryl sulfonates, up to 10% by weight. All of the formulations shown in the Examples of this patent include relatively large amounts of detergent builder salts which are detrimental to surface shine.
  • the present inventors have observed that in formulations containing grease-removal assisting magnesium compounds, the addition of minor amounts of builder salts, such as alkali metal polyphosphates, alkali metal carbonates, nitrilotriacetic acid salts, and so on, tends to make it more difficult to form stable microemulsion systems.
  • builder salts such as alkali metal polyphosphates, alkali metal carbonates, nitrilotriacetic acid salts, and so on, tends to make it more difficult to form stable microemulsion systems.
  • U.S. Patent 5,082,584 discloses a microemulsion composition having an anionic surfactant, a cosurfactant, nonionic surfactant, perfume and water; however, these compositions do not possess the low ecotoxicity profile and the improved interfacial tension properties as exhibited by the compositions of the instant invention.
  • British Patent No 1 ,453,385 discloses polyesterified nonionic surfactants similar to the polyesterified nonionic surfactants of the instant invention. However, these nonionic surfactants of British Patent 1 ,453,385 do not disclose the formula (II) portion of the instant composition. Additionally, the formulated compositions of British Patent 1 ,453,385 fail to disclose the critical limitations of the instant invention.
  • the present invention provides an improved, liquid carpet cleaning composition having improved interfacial tension which can be in the form of a liquid crystal or a microemulsion and is suitable for cleaning carpets, hard surfaces such as plastic, vitreous and metal surfaces having a shiny finish. More particularly, the improved cleaning compositions are useful in killing dust mites.
  • the instant compositions are more friendly for the environment due to the low ecotoxicity of the ethoxylated glycerol type compounds used in the instant compositions.
  • compositions of the instant invention have an ecotoxocity value as measured by the LC 50 test as deferred by The Organization for Economic
  • OECD Cooperation and Development
  • the invention generally provides a stable, carpet cleaning composition which can be in the form of a microemulsion having an aqueous phase and an oil phase.
  • the microemulsion includes, on a weight basis: from 0.05% to 5% of an acaricidal agent; from 0.1% to 20% of an anionic surfactant; from 0.1 % to 50% of at least one water-mixable cosurfactant having either limited ability or substantially no ability to dissolve oily or greasy soil; 0.1 % to 20% of a compound which is a mixture of a partially esterified ethoxylated polyhydric alcohol, a fully esterified ethoxylated polyhydric alcohol and a nonesterified ethoxylated polyhydric alcohol, said mixture being (herein after referred to as an ethoxylated glycerol type compound);
  • composition 0 to 4% of magnesium sulfate heptahydrate; 0.1 to 10.0% of a perfume or water insoluble hydrocarbon; 0 to 3 wt. % of an alkali metal silicate; 0 to 20 wt. % of a hydrocarbon propellant; and balance being water, said proportions being based upon the total weight of the composition, wherein the composition does not contain any zwitterionic surfactants which would destroy the microemulsion or condensate products of a primary alkanol and ethylene oxide.
  • the dispersed oil phase of the microemulsion is composed essentially of the water-immiscible or hardly water-soluble perfume.
  • the perfume is not, per se, a solvent for greasy or oily soil, -even though some perfumes may, in fact, contain as much as 80% of terpenes which are known as good grease solvents - the inventive compositions in dilute form have the capacity to solubilize up to 10 times or more of the weight of the perfume of oily and greasy soil, which is removed or loosened from the hard surface by virtue of the action of the anionic and nonionic surfactants, said soil being taken up into the oil phase of the o/w microemulsion.
  • the invention generally provides highly concentration carpet microemulsion compositions in the form of either an oil-in-water (o/w) microemulsion or a water-in-oil (w/o) microemulsion which when diluted with additional water before use can form dilute o/w microemulsion compositions.
  • o/w oil-in-water
  • w/o water-in-oil
  • the concentrated carpet cleaning microemulsion compositions contain, by weight, 0.1 % to 20% of an anionic surfactant, 0.5% to 5% of an acaricidal agent; 0.1 % to 20% of an ethoxylated glycerol type compound, 0.05% to 5% of an acaricidal agent, 0% to 2.5% of a fatty acid, 0.1 % to 10% of perfume or water insoluble hydrocarbon having 6 to 18 carbon atoms, 0.1% to 50% of a cosurfactant, 0 to 20% of a hydrocarbon propellant, and 20% to 97% of water.
  • liquid crystal carpet cleaning compositions which comprise by weight 0.1 % to 20% of an anionic surfactant, 0.1% to 20% of an ethoxylated glycerol type compound, 0.05% to 5% of an acaricidal agent, 0 to 2.5% of a fatty acid, 0.1 % to 10% of a perfume, 0 to 20% of a hydrocarbon propellant, 1 % to 50% of at least one cosurfactant and the balance being water.
  • the present invention relates to a carpet cleaning composition approximately by weight: 0.1 % to 20% of an anionic surfactant, 0.05% to 5% of an acaricidal agent, 0.1 % to 50% of at least one cosurfactant, 0.1 % to 20% of an ethoxylated glycerol type compound, 0 to 3% of an alkali metal silicate, 0.1 % to 10% of a water insoluble hydrocarbon, essential oil or a perfume and the balance being water.
  • the role of the hydrocarbon is provided by a non-water-soluble perfume.
  • a solubitizers such as alkali metal lower alkyl aryl sulfonate hydrotrope, triethanolamine, urea, etc.
  • perfume dissolution especially at perfume levels of 1% and higher, since perfumes are generally a mixture of fragrant essential oils and aromatic compounds which are generally not water-soluble. Therefore, by incorporating the perfume into the aqueous cleaning composition as the oil
  • the cosmetic properties of the ultimate cleaning composition are improved: the compositions are both clear (as a consequence of the formation of a microemulsion) and highly fragranced (as a consequence of the perfume level).
  • perfume is used in its ordinary sense to refer to and include any non-water soluble fragrant substance or mixture of substances including natural (i.e., obtained by extraction of flower, herb, blossom or plant), artificial (i.e., mixture of natural oils or oil constituents) and synthetically produced substance) odoriferous substances.
  • perfumes are complex mixtures of blends of various organic compounds such as alcohols, aldehydes, ethers, aromatic compounds and varying amounts of essential oils (e.g., terpenes) such as from 0% to 80%, usually from 10% to 70% by weight, the essential oils themselves being volatile odoriferous compounds and also serving to dissolve the other components of the perfume.
  • the precise composition of the perfume is of no particular consequence to cleaning performance so long as it meets the criteria of water immiscibility and having a pleasing odor.
  • the perfume, as well as all other ingredients should be cosmetically acceptable, i.e., non-toxic, hypoallergenic, etc..
  • the instant compositions show a marked improvement in ecotoxocity as compared to existing commercial products.
  • the hydrocarbon such as a perfume is present in the dilute o/w microemulsion in an amount of from 0.1 % to 10% by weight, preferably from 0.4% to 6.0% by weight, especially preferably from 0.5% to 3.0% by weight.
  • the liquid crystal one need at least 0.5 weight % of perfume, more preferably 1 weight %. If the hydrocarbon (perfume) is added in amounts more than 10% by weight, the cost is increased without any additional cleaning benefit and, in fact, with some diminishing of cleaning performance insofar as the total amount of greasy or oily soil which can be taken up in the oil phase of the microemulsion will decrease proportionately.
  • the dilute o/w microemulsion detergent cleaning compositions of the present invention may often include as much as 0.2% to 7% by weight, based on the total composition, of terpene solvents introduced thereunto via the perfume component.
  • the amount of terpene solvent in the cleaning formulation is less than 1.5% by weight, such as up to 0.6% by weight or 0.4% by weight or less, satisfactory grease removal and oil removal capacity is provided by the inventive diluted o/w microemulsions.
  • a 20 milliliter sample of o/w microemulsion containing 1 % by weight of perfume will be able to solubilize, for example, up to 2 to 3 ml of greasy and/or oily soil, while retaining its form as a microemulsion, regardless of whether the perfume contains 0%, 0.1 %, 0.2%, 0.3%, 0.4%, 0.5%, 0.6%, 0.7% or 0.8% by weight of terpene solvent.
  • the water-soluble organic surfactants which are used in forming the carpet cleaning compositions of this invention may be selected from the group consisting of water-soluble, non-soap, anionic surfactants mixed with optionally a fatty acid and a solubilizing agent which is a partially esterified ethoxylated polyhydric alcohol such as a partially esterified ethoxylated glycerol.
  • anionic surfactant present in the microemulsions any of the conventionally used water-soluble anionic surfactants or mixtures of said anionic detergents and anionic detergents can be used in this invention.
  • anionic surfactant is intended to refer to the class of anionic and mixed anionic- nonionic surfactants providing detersive action.
  • Suitable water-soluble non-soap, anionic surfactants include those surface- active or detergent compounds which contain an organic hydrophobic group containing generally 8 to 26 carbon atoms and preferably 10 to 18 carbon atoms in their molecular structure and at least one water-solubilizing group selected from the group of sulfonate, sulfate and carboxylate so as to form a water-soluble surfactant.
  • the hydrophobic group will include or comprise a C8-C22 alkyl, alkyl or acyl group.
  • Such surfactants are employed in the form of water-soluble salts and the salt-forming cation usually is selected from the group consisting of sodium, potassium, ammonium, magnesium and mono-, di- or tri-C2-C3 alkanolammonium, with the sodium, magnesium and ammonium cations again being preferred.
  • Suitable sulfonated anionic surfactants are the well known higher alkyl mononuclear aromatic sulfonates such as the higher alkyl benzene sulfonates containing from 10 to 16 carbon atoms in the higher alkyl group in a straight or branched chain, C8-C15 alkyl toluene sulfonates and C8-C15 alkyl phenol sulfonates.
  • a preferred sulfonate is linear alkyl benzene sulfonate having 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 is correspondingly low.
  • Particularly preferred materials are set forth in U.S. Patent 3,320,174.
  • Suitable anionic surfactants are the olefin sulfonates, including long-chain alkene sulfonates, long-chain hydroxyalkane sulfonates or mixtures of alkene sulfonates and hydroxyalkane sulfonates.
  • Preferred olefin sulfonates contain from 14 to 16 carbon atoms in the R alkyl group and are obtained by sulfonating an a-olefin.
  • Suitable anionic sulfonate surfactants are the paraffin sulfonates containing 10 to 20, preferably 13 to 17, carbon atoms.
  • Primary paraffin sulfonates are made by reacting long-chain alpha olefins and bisulfites and paraffin sulfonates having the sulfonate group distributed along the paraffin chain are shown in
  • anionic sulfate surfactants are the C8-C18 alkyl sulfate salts and the C8-C18 alkyl sulfate salts and the C8-C18 alkyl ether polyethenoxy sulfate salts having the formula R(OC2H4)n OSO3M wherein n is 1 to 12, preferably 1 to 5, and M is a solubilizing cation selected from the group consisting of sodium, potassium, ammonium, magnesium and mono-, di- and triethanol ammonium ions.
  • the alkyl sulfates may be obtained by sulfating the alcohols obtained by reducing glycerides of coconut oil or tallow or mixtures thereof and neutralizing the resultant product.
  • the alkyl ether polyethenoxy sulfates are obtained by sulfating the condensation product of ethylene oxide with a C8-C18 alkanol and neutralizing the resultant product.
  • the alkyl sulfates may be obtained by sulfating the alcohols obtained by reducing glycerides of coconut oil or tallow or mixtures thereof and neutralizing the resultant product.
  • the alkyl ether polyethenoxy sulfates are obtained by sulfating the condensation product of ethylene oxide with a C8-C18 alkanol and neutralizing the resultant product.
  • the alkyl ether polyethenoxy sulfates differ from one another in the number of moles of ethylene oxide reacted with one mole of alkanol.
  • Preferred alkyl sulfates and preferred alkyl ether polyethenoxy sulfates contain 10 to 16 carbon atoms in the alkyl group.
  • the C8-C12 alkylphenyl ether polyethenoxy sulfates containing from 2 to 6 moles of ethylene oxide in the molecule also are suitable for use in the inventive 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.
  • anionic surfactants will be present either in acid form or salt form depending upon the pH of the final composition, with salt forming cation being the same as for the other anionic detergents.
  • the preferred surfactants are the
  • preferred compounds are sodium C10-C13 alkylbenzene sulfonate and sodium C13-C17 alkane sulfonate.
  • the proportion of the nonsoap-anionic surfactant will be in the range of 0.1 % to 20.0%, preferably from 1 % to 7%, by weight of the carpet cleaning composition.
  • the instant composition contains a composition (herein after referred to as ethoxylated glycerol type compound) which is a mixture of a fully esterified ethoxylated polyhydric alcohol, a partially esterified ethoxylated polyhydric alcohol and a nonesterified ethoxylated polyhydric alcohol, wherein the preferred polyhydric alcohol is glycerol, and the compound is
  • B is selected from the group consisting of hydrogen or a group represented by:
  • R is selected from the group consisting of alkyl group having 6 to 22 carbon atoms, more preferably 11 to 15 carbon atoms and alkenyl groups having 6 to 22 carbon atoms, more preferably 11 to 15 carbon atoms, wherein a hydrogenated tallow alkyl chain or a coco alkyl chain is most preferred, wherein at least one of the B groups is represented by said
  • R' is selected from the group consisting of hydrogen and methyl groups;
  • x, y and z have a value between 0 and 60, more preferably 0 to 40, provided that (x+y+z) equals 2 to 100, preferably 4 to 24 and most preferably 4 to 19, wherein in Formula (I) the ratio of monoester / diester / triester is 45 to 90 / 5 to 40 / 1 to 20, more preferably 50 to 90 / 9 to 32 / 1 to 12, wherein the ratio of Formula (I) to Formula (II) is a value between 3 to 0.02, preferably 3 to 0.1 , most preferably 1.5 to 0.2, wherein it is most preferred that there is more of Formula (II) than Formula (I) in the mixture that forms the compound.
  • the ethoxylated glycerol type compound used in the instant composition is manufactured by the Kao Corporation and sold under the trade name Levenol such as Levenol F-200 which has an average EO of 6 and a molar ratio of coco fatty acid to glycerol of 0.55 or Levenol V501/2 which has an average EO of 17 and a molar ratio of tallow fatty acid to glycerol of 1.0. It is preferred that the molar ratio of the fatty acid to glycerol is less than 1.7, more preferably less than 1.5 and most preferably less than 1.0.
  • the ethoxylated glycerol type compound has a molecular weight of 400 to 1600, and a pH (50 grams / liter of water) of 5-7.
  • the Levenol compounds are substantially non irritant to human skin and have a primary biodeg radabi llity higher than 90% as measured by the Wickbold method Bias-7d.
  • Levenol V-501/2 Two examples of the Levenol compounds are Levenol V-501/2 which has 17 ethoxylated groups and is derived from tallow fatty acid with a fatty acid to glycerol ratio of 1.0 and a molecular weight of 1465 and Levenol F-200 has 6 ethoxylated groups and is derived from coco fatty acid with a fatty acid to glycerol ratio of 0.55.
  • Both Levenol F-200 and Levenol V-501/2 are composed of a mixture of Formula (I) and Formula (II).
  • the Levenol compounds has ecoxicity values of algae growth inhibition > 100 mg/liter; acute toxicity for Daphniae > 100 mg/liter and acute fish toxicity > 100 mg/liter.
  • the Levenol compounds have a ready biodeg radabi lity higher than 60% which is the minimum required value according to OECD 301 B measurement to be acceptably biodegradable. Polyesterified nonionic compounds
  • Crovol PK-40 is a polyoxyethylene (12) Palm Kernel Glyceride which has 12 EO groups.
  • Crovol PK-70 which is preferred is a polyoxyethylene (45) Palm Kernel Glyceride have 45 EO groups.
  • the ethoxylated glycerol type compounds or the polyesterified nonionic compounds will be present in admixture with the anionic surfactant.
  • the proportion of the ethoxylated glycerol type compound or the polyesterified nonionic solubilizing agent based upon the weight of the carpet cleaning composition will be 0.1% to 20%, more preferably 0.5% to 10%, most preferably 0.5% to 6% by weight.
  • the weight ratio of nonsoap anionic surfactant to the ethoxylated glycerol type compound will be in the range of 3:1 to 1 :3 with especially good results being obtained at a weight ratio of 2:1.
  • the compounds found to provide highly suitable cosurfactants for the carpet cleaning microemulsion over temperature ranges extending from 5°C to 43°C for instance are glycerol, ethylene glycol, water-soluble polyethylene glycols having a molecular weight of 300 to 1000, polypropylene glycol of the formula HO(CH3CHCH2 ⁇ )nH wherein n is a number from 2 to 18, mixtures of polyethylene glycol and polypropyl glycol (Synalox) and mono Ci -C ⁇ 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 Ci-C ⁇ alkyl group, Ri is C2-C4 acyl group
  • 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
  • glycol type cosurfactants When these glycol type cosurfactants are at a concentration of about 1.0 to about 14 weight %, more preferably about 2.0 weight % to about 10 weight % in combination with a water insoluble hydrocarbon at a concentration of at least 0.5 weight %, more preferably 1.5 weight % one can form a microemulsion composition.
  • these glycol type cosurfactants are at a concentration of at least 1.0 weight %, more preferably at least 2.0 weight % in combination with a perfume at a concentration of at least 0.5 weight %, more preferably 1.5 weight % one can form a liquid crystal carpet cleaning composition.
  • Still other classes of cosurfactant compounds providing stable microemulsion carpet cleaning compositions at low and elevated temperatures are the mono-, di- and triethyl esters of phosphoric acid such as triethyl phosphate.
  • the amount of cosurfactant required to stabilize the carpet cleaning compositions will, of course, depend on such factors as the surface tension characteristics of the cosurfactant, the type and amounts of the primary surfactants and perfumes, and the type and amounts of any other additional ingredients which may be present in the composition and which have an influence on the thermodynamic factors enumerated above.
  • amounts of cosurfactant in the range of from 0 to 50%, preferably from 0.5% to 15%, especially preferably from 1 % to 7%, by weight provide stable carpet cleaning microemulsions for the above-described levels of primary surfactants and perfume and any other additional ingredients as described below.
  • the acaricidal agent is used in the carpet cleaning composition, microemulsion composition, liquid crystal composition or all purpose hard surface cleaning composition at a concentration of about 0.05 to 5.0 wt. %, more preferably 0.075 to 3 wt. %.
  • the acaricidal agent is selected from the group consisting of
  • x (CH2)n or a C6-C14 alkyl group, wherein n equals 1 to 3;
  • p 1 to 3 and Z is a C — H group; carvone; citral limarom ⁇ ; 50 wt. thymol in benzyl benzoate; alpha pinene;citronelioi dextro:hedione: linatooi citronella; eucalyptus globulux; thyme white; lavandin oil grosso; a C6 to C14 aldehyde such as methyl nonyl aldehyde, hexyicinnamic aldehyde; litsea cubebaoil; 50 wt. % camphor white in benzyl benzoate; terpenolene; rosemary oil.
  • terpineol and verdox 50 wt. % of menthol in benzyl benzoate.
  • acaricidal agents are benzyl benzoate, benzyl alcohol, phenyl ethyl benzoate, benzaldehyde, carvone, methyl salicylate, citral lemarome , 50 wt. % of thymol in benzyl benzoate, 50 wt. % of camphor white in benzyl benzoate and 50 wt. % of menthol in benzyl benzoate.
  • the instant carpet cleaning can contain 0 to about 3 wt. %, more preferably about 0.1 to about 2 wt. % of an alkali metal silicate having an alkali metal oxide; Si ⁇ 2 ratio of at least 1 :1 such as sodium silicate (Na2 ⁇ ; Si ⁇ 2 of 1 :3.26).
  • the present invention can also contain 0 to about 20 wt. %, more preferably about 1 wt. % to about 15 wt. % of a hydrocarbon propellant.
  • the final essential ingredient in the inventive carpet cleaning compositions having improved interfacial tension properties is water.
  • the proportion of water in the compositions generally is in the range of 20% to 97%, preferably 70% to 97% by weight of the usual diluted o/w microemulsion composition.
  • compositions of this invention may often and preferably do contain one or more additional ingredients which serve to improve overall product performance.
  • One such ingredient is an inorganic or organic salt of oxide of a multivalent metal cation, particularly Mg ++ .
  • the metal salt or oxide provides several benefits including improved cleaning performance in dilute usage, particularly in soft water areas, and minimized amounts of perfume required to obtain the microemulsion state.
  • Magnesium sulfate either anhydrous or hydrated (e.g., heptahydrate), is especially preferred as the magnesium salt. Good results also have been obtained with magnesium oxide, magnesium chloride, magnesium acetate, magnesium propionate and magnesium hydroxide.
  • magnesium salts can be used with formulations at neutral or acidic pH since magnesium hydroxide will not precipitate at these pH levels.
  • magnesium is the preferred multivalent metal from which the salts (inclusive of the oxide and hydroxide) are formed
  • other polyvalent metal ions also can be used provided that their salts are nontoxic and are soluble in the aqueous phase of the system at the desired pH level.
  • other suitable polyvalent metal ions include aluminum, copper, nickel, iron, calcium, etc. It should be noted, for example, that with the preferred paraffin sulfonate anionic detergent calcium salts will precipitate and should not be used.
  • the aluminum salts work best at pH below 5 or when a low level, for example 1 weight percent, of citric acid is added to the composition which is designed to have a neutral pH.
  • the aluminum salt can be directly added as the citrate in such case.
  • the same general classes of anions as mentioned for the magnesium salts can be used, such as halide (e.g., bromide, chloride), sulfate, nitrate, hydroxide, oxide, acetate, propionate, etc.
  • the metal compound is added to the composition in an amount sufficient to provide at least a stoichiometric equivalence between the anionic surfactant and the multivalent metal cation.
  • the proportion of the multivalent salt generally will be selected so that one equivalent of compound will neutralize from 0.1 to 1.5 equivalents, preferably 0.9 to 1.4 equivalents, of the acid form of the anionic surfactant.
  • the carpet cleaning compositions can include from 0% to 2.5%, preferably from
  • a C8-C22 fatty acid or fatty acid soap as a foam suppressant.
  • the addition of fatty acid or fatty acid soap provides an improvement in the rinseability of the composition whether applied in neat or diluted form. Generally, however, it is necessary to increase the level of cosurfactant to maintain product stability when the fatty acid or soap is present. If more than 2.5 wt % of the fatty acid is used in the instant compositions, the composition will become unstable at low temperatures as well as having an objectionable smell.
  • fatty acids which can be used as such or in the form of soap, mention can be made of distilled coconut oil fatty acids, "mixed vegetable” type fatty acids (e.g. high percent of saturated, mono-and/or polyunsaturated Ci8 chains); oleic acid, stearic acid, palmitic acid, eiocosanoic acid, and the like, generally those fatty acids having from 8 to 22 carbon atoms being acceptable.
  • the carpet cleaning composition of this invention may, if desired, also contain other components either to provide additional effect or to make the product more attractive to the consumer.
  • Colors or dyes in amounts up to 0.5% by weight; bactericides in amounts up to 1 % by weight; preservatives or antioxidizing agents, such as formalin, 5-chloro-2-methyl-4- isothaliazolin-3-one, 2,6-di-tert.butyl-p-cresol, etc., in amounts up to 2% by weight; and pH adjusting agents, such as sulfuric acid or sodium hydroxide, as needed.
  • up to 4% by weight of an opacifier may be added.
  • compositions of the instant invention explicitly exclude zwitterionic surfactant such as betaines because these zwitterionic surfactants are extremely high foaming which, if used in the instant composition, would cause the instant compositions to have to high a foam profile and that too much foam would leave residue on the carpet being cleaned.
  • zwitterionic surfactant such as betaines because these zwitterionic surfactants are extremely high foaming which, if used in the instant composition, would cause the instant compositions to have to high a foam profile and that too much foam would leave residue on the carpet being cleaned.
  • the compositions as prepared are aqueous liquid formulations and since no particular mixing is required to form the compositions, the compositions are easily prepared simply by combining all the ingredients in a suitable vessel or container.
  • the order of mixing the ingredients is not particularly important and generally the various ingredients can be added sequentially or all at once or in the form of aqueous solutions of each or all of the primary detergents and cosurfactants can be separately prepared and combined with each other and with the perfume
  • compositions in wt. % were prepared:
  • (a) contains 25% by weight of terpenes.
  • dissolution power of the o/w microemulsion of this example is compared to the “dissolution power" of an identical composition except that an equal amount (5 weight percent) of sodium cumene sulfonate hydrotrope is used in place of the diethylene glycol monobutyl ether cosurfactant in a test wherein equal concentrations of heptane are added to both compositions.
  • the o/w microemulsion of this invention solubilizes 12 grams of the water immiscible substance as compared to 1.4 grams in the hydrotrope containing liquid composition.
  • Example 2 illustrates a typical formulation of a "concentrated" o/w microemulsion based on the present invention:
  • This concentrated formulation can be easily diluted, for example, five times with tap water, to yield a diluted o/w microemulsion composition.
  • microemulsion technology it becomes possible to provide a product having high levels of active detergent ingredients and perfume, which has high consumer appeal in terms of clarity, odor and stability, and which is easily diluted at the usual usage concentration for similar all-purpose hard surface liquid cleaning compositions, while retaining its cosmetically attractive attributes.
  • these formulations can be used, where desired, without further dilution and can also be used at full or diluted strength to clean soiled fabrics by hand or in an automatic laundry washing machine.
  • This example illustrates a diluted o/w microemulsion composition according to the invention having an acidic pH and which also provides improved cleaning performance on soap scum and lime scale removal as well as for cleaning greasy soil.
  • Example 4 Formula A of Example I was tested for the removal of a combination of grease and particulate soil as well as for a grease release effect and compared to commercial Ajax tm NME
  • particulate soil vacuum cleaner dust + 1 % of carbon black
  • the soiled tiles are soaked for 15 minutes at RT in the test products, then they are delicately rinsed with tap water.
  • Formula A exhibits improved grease + particulate soil removal over the Commercial Ajax tm NME
  • Product used dilute 1.2% sol in tap water - 10 ml of the solution on the sponge.
  • the cleaning procedure is done with the gardner device for both product concentrations.
  • Example 5 The following liquid crystal compositions were prepared by simple mixing procedure
  • Example 6 The following optically clear microemulsion compositions were made by forming first a solution by mixing at 25°C water, magnesium lauryl ether sulfate, Levenol V- 510/2 and 1 -Pentanol. To this solution with mixing at 25°C was added the dodecane to form the optically clear microemulsion. The formula are expressed in weight percent.
  • Example 7 The following carpet cleaning formula was made by simple mixing at 25°C
  • the described invention broadly relates to an improvement in microemulsion compositions containing an anionic surfactant, an esterified polyethoxyether nonionic surfactant, an acaricidal agent, a fatty acid, one of the specified cosurfactants, a hydrocarbon ingredient and water.

Abstract

Amélioration apportée aux compositions de nettoyage des tapis et moquettes, ces compositions étant plus respectueuses de l'environnement et étant destinées à tuer les acariens. Ces compositions contiennent des détergents anioniques, un composé du type glycérol éthoxylé, un ingrédient hydrocarbure, au moins un co-tensioactif, un agent acaricide et de l'eau.
PCT/US1997/010016 1996-06-28 1997-06-11 Composition liquide de nettoyage sous forme de microemulsion, d'usage general WO1998000497A2 (fr)

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AU32338/97A AU3233897A (en) 1996-06-28 1997-06-11 Microemulsion all purpose liquid cleaning compositions

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US08/671,471 1996-06-28

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999029824A1 (fr) * 1997-12-09 1999-06-17 Colgate-Palmolive Company Compositions de detachage de tapis polyvalentes
WO2000061710A2 (fr) * 1999-04-09 2000-10-19 Colgate-Palmolive Company Compositions de nettoyage post-moussantes
EP1106675A2 (fr) * 1999-12-03 2001-06-13 Cognis Deutschland GmbH Utilisation de polyglycolethers de glycerides partiels
WO2003060050A1 (fr) * 2002-01-08 2003-07-24 Colgate-Palmolive Company Compositions de nettoyage liquides polyvalentes
WO2005030918A1 (fr) * 2003-10-02 2005-04-07 Lakma Streta Spólka Z O.O. Agent de nettoyage pour tapis moquettes et articles similaires

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US4666940A (en) * 1984-08-20 1987-05-19 Werner & Mertz Gmbh Acaricidal cleaning composition for controlling house dust mites and process of using
WO1989012673A1 (fr) * 1988-06-21 1989-12-28 Vax Appliances Limited Compositions de nettoyage et d'assainissement de tissu
EP0612469A1 (fr) * 1993-02-26 1994-08-31 MERCK PATENT GmbH Préparation à activité acaricide
EP0637629A1 (fr) * 1993-08-04 1995-02-08 Colgate-Palmolive Company Compositions de nettoyage liquides d'usage général en micro-émulsion
EP0677578A1 (fr) * 1994-04-15 1995-10-18 Colgate-Palmolive Company (a Delaware corporation) Compositions de nettoyage liquides d'usage général en micro-émulsion contenant un agent repoussant les insectes
EP0743360A1 (fr) * 1995-05-18 1996-11-20 HENKEL-ECOLAB GmbH & CO. OHG Agent liquide aqueux de nettoyage de surfaces textiles
WO1998000513A1 (fr) * 1996-06-28 1998-01-08 Colgate-Palmolive Company Compositions liquides de nettoyage, sous forme de microemulsion, a usage general

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4666940A (en) * 1984-08-20 1987-05-19 Werner & Mertz Gmbh Acaricidal cleaning composition for controlling house dust mites and process of using
WO1989012673A1 (fr) * 1988-06-21 1989-12-28 Vax Appliances Limited Compositions de nettoyage et d'assainissement de tissu
EP0612469A1 (fr) * 1993-02-26 1994-08-31 MERCK PATENT GmbH Préparation à activité acaricide
EP0637629A1 (fr) * 1993-08-04 1995-02-08 Colgate-Palmolive Company Compositions de nettoyage liquides d'usage général en micro-émulsion
EP0677578A1 (fr) * 1994-04-15 1995-10-18 Colgate-Palmolive Company (a Delaware corporation) Compositions de nettoyage liquides d'usage général en micro-émulsion contenant un agent repoussant les insectes
EP0743360A1 (fr) * 1995-05-18 1996-11-20 HENKEL-ECOLAB GmbH & CO. OHG Agent liquide aqueux de nettoyage de surfaces textiles
WO1998000513A1 (fr) * 1996-06-28 1998-01-08 Colgate-Palmolive Company Compositions liquides de nettoyage, sous forme de microemulsion, a usage general

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999029824A1 (fr) * 1997-12-09 1999-06-17 Colgate-Palmolive Company Compositions de detachage de tapis polyvalentes
WO2000061710A2 (fr) * 1999-04-09 2000-10-19 Colgate-Palmolive Company Compositions de nettoyage post-moussantes
WO2000061710A3 (fr) * 1999-04-09 2001-01-18 Colgate Palmolive Co Compositions de nettoyage post-moussantes
EP1106675A2 (fr) * 1999-12-03 2001-06-13 Cognis Deutschland GmbH Utilisation de polyglycolethers de glycerides partiels
EP1106675A3 (fr) * 1999-12-03 2002-09-18 Cognis Deutschland GmbH & Co. KG Utilisation de polyglycolethers de glycerides partiels
WO2003060050A1 (fr) * 2002-01-08 2003-07-24 Colgate-Palmolive Company Compositions de nettoyage liquides polyvalentes
WO2005030918A1 (fr) * 2003-10-02 2005-04-07 Lakma Streta Spólka Z O.O. Agent de nettoyage pour tapis moquettes et articles similaires

Also Published As

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WO1998000497A3 (fr) 1998-06-25
CO4870726A1 (es) 1999-12-27
AR007661A1 (es) 1999-11-10
AU3233897A (en) 1998-01-21

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