WO2007099294A1 - Préparation nettoyante pour surface dure - Google Patents

Préparation nettoyante pour surface dure Download PDF

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Publication number
WO2007099294A1
WO2007099294A1 PCT/GB2007/000635 GB2007000635W WO2007099294A1 WO 2007099294 A1 WO2007099294 A1 WO 2007099294A1 GB 2007000635 W GB2007000635 W GB 2007000635W WO 2007099294 A1 WO2007099294 A1 WO 2007099294A1
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WIPO (PCT)
Prior art keywords
hard surface
constituent
compositions
composition according
surface cleaning
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PCT/GB2007/000635
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English (en)
Inventor
Mattia De Dominicis
Edward Fu
Angelina Lorraine Kulbick
Original Assignee
Reckitt Benckiser Inc
Reckitt Benckiser (Uk) Limited
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Filing date
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Application filed by Reckitt Benckiser Inc, Reckitt Benckiser (Uk) Limited filed Critical Reckitt Benckiser Inc
Priority to US12/280,875 priority Critical patent/US20090099057A1/en
Priority to EP07705266A priority patent/EP1991653A1/fr
Priority to AU2007220349A priority patent/AU2007220349A1/en
Publication of WO2007099294A1 publication Critical patent/WO2007099294A1/fr

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    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/43—Solvents
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/75—Amino oxides
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/26—Organic compounds containing nitrogen
    • C11D3/30—Amines; Substituted amines ; Quaternized amines

Definitions

  • the present invention relates to improved cleaning compositions useful in the cleaning of hard surfaces, particularly in the cleaning of hard surfaces.
  • the present invention provides a highly alkaline hard surface cleaning composition particularly adapted to the cleaning of hard surfaces
  • compositions comprise a cleaning effective amount of an amine oxide surfactant constituent, an alkanolamine constituent, a phenyl containing glycol ether solvent and water, and optionally minor amounts of one or more constituents which improve one or more aesthetic or functional characteristics of the inventive compositions wherein the said compositions provide excellent cleaning of hard surfaces, particularly hard surfaces laden with greasy soils.
  • the inventive compositions are characterized as being essentially free of further organic solvents, except for the essential phenyl containing ether solvent and the alkanolamine constituent.
  • a highly alkaline hard surface cleaning composition according to the prior inventive aspect which is further characterized as preferably being essentially free of surfactant constituents, except for the essential amine oxide surfactant constituent.
  • a highly alkaline hard surface cleaning composition particularly adapted to the cleaning of hard surfaces which compositions exhibit a pH of about 9 or greater, but preferably exhibit a pH of 10 or greater and which comprise at least about 85%wt.
  • an alkalinity constituent such as an alkanolmine, carbonate an/or bicarbonate compound, and a phenyl containing glycol ether solvent
  • an alkalinity constituent such as an alkanolmine, carbonate an/or bicarbonate compound, and a phenyl containing glycol ether solvent
  • further optionally minor amounts of one or more constituents which improve one or more aesthetic or functional characteristics of the inventive compositions wherein the said compositions provide excellent cleaning of hard surfaces, particularly hard surfaces laden with greasy soils.
  • the inventive compositions are characterized as being essentially free of further organic solvents, except for the essential phenyl containing ether solvent and when present as an alkalinity constituent, the alkanolamine.
  • a method for the cleaning of a hard surface comprises the step of: applying a cleaning effective amount of a highly alkaline hard surface cleaning composition according to any of the prior recited inventive aspects to a hard surface in need of such treatment, and concurrently or subsequently, wiping the surface with a cloth, wipe or wiping article.
  • a method for the cleaning of greasy soils from a hard surface comprises the step of: applying a cleaning effective amount of a highly alkaline hard surface cleaning composition according to any of the prior recited inventive aspects to a hard surface in need of such treatment, and concurrently or subsequently, wiping the surface with a cloth, wipe or wiping article.
  • a method of producing an improved cleaning composition as recited herein. in one aspect of the invention there is provided a highly alkaline hard surface cleaning composition which compositions comprise (preferably consist essentially of): a cleaning effective amount of an amine oxide surfactant constituent, an alkanolamine constituent, a phenyl containing glycol ether solvent, water; and, further optionally, minor amounts of one or more constituents which improve one or more aesthetic or functional characteristics of the inventive compositions.
  • compositions comprise (preferably consist essentially of): a cleaning effective amount of an amine oxide surfactant constituent, an alkanolamine constituent, a phenyl containing glycol ether solvent, water; and, further optionally, minor amounts of one or more constituents which improve one or more aesthetic or functional characteristics of the inventive compositions, wherein the compositions are characterized in being essentially free of organic cosolvents as described herein.
  • compositions comprise (preferably consist essentially of): a cleaning effective amount of an amine oxide surfactant constituent, an alkanolamine constituent, a phenyl containing glycol ether solvent, water; and, further optionally, minor amounts of one or more constituents which improve one or more aesthetic or functional characteristics of the inventive compositions, wherein the compositions are characterized in being essentially free of a cosurfactant as described herein.
  • a highly alkaline hard surface cleaning composition which compositions comprise (preferably consist essentially of): a cleaning effective amount of an amine oxide surfactant constituent, an alkanolamine constituent, a phenyl containing glycol ether solvent, water; and, further optionally, minor amounts of one or more constituents which improve one or more aesthetic or functional characteristics of the inventive compositions, wherein the compositions are characterized in being essentially free of organic cosolvents as well as being essentially free of cosurfactants as described herein.
  • a highly alkaline hard surface cleaning composition particularly adapted to the cleaning of hard surfaces which compositions exhibit a pH of about 9 or greater, but preferably exhibit a pH of 10 or greater and which comprises: at least about 85%wt.
  • an improved method for the manufacture of a highly alkaline hard surface cleaning composition according to any of the inventive aspects described herein.
  • an improved method for the cleaning treatment of a hard surface in need of same, particularly a greasy soil laden hard surface comprises the step of applying a cleaning effective amount of a highly alkaline hard surface cleaning composition according to any of the inventive aspects described herein.
  • inventive compositions optionally but preferably at least one detersive surfactants, especially preferably at least one nonionic surfactant constituents with amine oxide surfactants be particularly preferred.
  • the highly alkaline hard surface cleaning compositions according to the invention necessarily comprise an amine oxide constituent.
  • Exemplary amine oxides useful in the compositions of the invention include: A) Alkyl di(lower alkyl) amine oxides in which the alkyl group has about 10-20, and preferably 12-16 carbon atoms, and can be straight or branched chain, saturated or unsaturated.
  • the lower alkyl groups include between 1 and 7 carbon atoms. Examples include lauryl dimethyl amine oxide, myristyl dimethyl amine oxide, and those in which the alkyl group is a mixture of different amine oxide, dimethyl cocoamine oxide, dimethyl (hydrogenated tallow) amine oxide, and myristyl/palmityl dimethyl amine oxide;
  • Alkyl di(hydroxy lower alkyl) amine oxides in which the alkyl group has about 10-20, and preferably 12-16 carbon atoms, and can be straight or branched chain, saturated or unsaturated. Examples are bis(2-hydroxyethyl) cocoamine oxide, bis(2- hydroxyethyl) tallowamine oxide; and bis(2-hydroxyethyl) stearylamine oxide;
  • Alkylamidopropyl di(lower alkyl) amine oxides in which the alkyl group has about 10-20, and preferably 12-16 carbon atoms, and can be straight or branched chain, saturated or unsaturated. Examples are cocoamidopropyl dimethyl amine oxide and tallowamidopropyl dimethyl amine oxide; and D) Alkyhnorpholine oxides in which the alkyl group has about 10-20, and preferably 12-16 carbon atoms, and can be straight or branched chain, saturated or unsaturated.
  • the amine oxide constituent is an alkyl di (lower alkyl) amine oxide as denoted above and which may be represented by the following structure:
  • R 1 is a straight chained Ci-C 4 alkyl group, preferably both Ri are methyl groups; and, R 2 is a straight chained C 8 -C 18 alkyl group, preferably is Ci 0 -Ci 4 alkyl group, most preferably is a C 12 alkyl group.
  • Each of the alkyl groups may be linear or branched, but most preferably are linear.
  • the amine oxide constituent is lauryl dimethyl amine oxide.
  • Technical grade mixtures of two or more amine oxides may be used, wherein amine oxides of varying chains of the R 2 group are present.
  • the amine oxides used in the present invention include R 2 groups which comprise at least 50%wt., preferably at least 60%wt. of C 12 alkyl groups and at least 25%wt. of Ci 4 alkyl groups, with not more than 15%wt. of Ci 6 , Ci 8 or higher alkyl groups as the R 2 group.
  • the amine oxide constituent may be a single amine oxide, or may be comprised of a plurality of amine oxide compounds and is desirably present in the hard surface cleaning compositions of the invention in amounts of from about 0.01% - 10% by weight, more desirably from about 0.25% - 5% by weight, yet most preferably from about 0.25 - 3.5%wt. based on the total weight of the compositions of which they form a part.
  • the sole surfactant constituent present in the inventive composition is an amine oxide surfactant constituent and further surfactant constituents are expressly excluded.
  • one or more further surfactant constituents different than the amine oxide constituents may be present.
  • Useful further surfactants which may be present in the presence of the amine oxide, or in the absence of the amine oxide surfactant constituenst include one or more surfactants selected from one or more further anionic, nonionic, cationic, amphoteric or zwitterionic surfactants, of which one or more of the following nonionic surfactants are particularly preferred.
  • anionic surfactants which may be present include alcohol sulfates and sulfonates, alcohol phosphates and phosphonates, alkyl ester sulfates, alkyl diphenyl ether sulfonates, alkyl sulfates, alkyl ether sulfates, sulfate esters of an alkylphenoxy polyoxyethylene ethanol, alkyl monoglyceride sulfates, alkyl sulfonates, alkyl ether sulfates, alpha-olef ⁇ n sulfonates, beta-alkoxy alkane sulfonates, alkyl ether sulfonates, ethoxylated alkyl sulfonates, alkylaryl sulfonates, alkylaryl sulfates, alkyl monoglyceride sulfonates, alkyl carboxylates, alkyl ether carboxylates, alkyl ether
  • anionic surfactants may be provided as salts with one or more organic counterions, e.g, ammonium, or inorganic counteraions, especially as salts of one or more alkaline earth or alkaline earth metals, e.g, sodium.
  • Sarcosinate surfactants which are alkali metal salts of N-alkyl-N-acyl amino acids. These are salts derived from the reaction of (1) N-alkyl substituted amino acids of the formula:
  • R 1 -NH-CH 2 -COOH where R 1 is a linear or branched chain lower alkyl of from 1 to 4 carbon atoms, especially a methyl, for example, aminoacetic acids such as N-methylaminoacetic acid (i.e. N- methyl glycine or sarcosine), N-ethyl-aminoacetic acid, N-butylaminoacetic acid, etc., with (2) saturated natural or synthetic fatty acids having from 8 to 18 carbon atoms, especially from 10 to 14 carbon atoms, e.g. lauric acid, and the like.
  • N-methylaminoacetic acid i.e. N- methyl glycine or sarcosine
  • N-ethyl-aminoacetic acid i.e. N-butylaminoacetic acid
  • saturated natural or synthetic fatty acids having from 8 to 18 carbon atoms, especially from 10 to 14 carbon atoms, e.g. lauric acid,
  • the resultant reaction products are salts which may have the formula:
  • M is an alkali metal ion such as sodium, potassium or lithium
  • R 1 is as defined above
  • R 2 represents a hydrocarbon chain, preferably a saturated hydrocarbon chain, having from 7 to 17 carbon atoms, especially 9 to 13 carbon atoms of
  • Exemplary useful sarcosinate surfactants include cocoyl sarcosinate, lauroyl sarcosinate, myristoyl sarcosinate, palmitoyl sarcosinate, stearoyl sarcosinate and oleoyl sarcosinate, and tallow sarcosinate. Such materials are also referred to as N-acyl sarcosinates.
  • anionic surfactants include water soluble salts or acids of the formula (ROSO 3 ) X M or (RSO 3 ) X M wherein R is preferably a C 6 -C 24 hydrocarbyl, preferably an alkyl or hydroxyalkyl having a Ci 0 -C 20 alkyl component, more preferably a C 12 -Ci 8 alkyl or hydroxyalkyl, and M is H or a mono-, di- or tri-valent cation, e. g., an alkali metal cation (e. g., sodium, potassium, lithium), or ammonium or substituted ammonium (e.
  • R is preferably a C 6 -C 24 hydrocarbyl, preferably an alkyl or hydroxyalkyl having a Ci 0 -C 20 alkyl component, more preferably a C 12 -Ci 8 alkyl or hydroxyalkyl
  • M is H or a mono-, di- or tri-valent cation, e
  • methyl-, dimethyl-, and trimethyl ammonium cations and quaternary ammonium cations such as tetramethyl-ammonium and dimethyl piperdinium cations and quaternary ammonium cations derived from alkylamines such as ethylamine, diethylamine, triethylamine, and mixtures thereof, and the like) and x is an integer, preferably 1 to 3, most preferably 1.
  • alkylamines such as ethylamine, diethylamine, triethylamine, and mixtures thereof, and the like
  • x is an integer, preferably 1 to 3, most preferably 1.
  • Materials sold under the Hostapur and Biosoft trademarks are examples of such anionic surfactants.
  • anionic surfactants include alkyl-diphenyl- ethersulphonates and alkyl-carboxylates.
  • diphenyl disulfonates and salt forms thereof, such as a sodium salt of diphenyl disulfonate commercially available as Dowfax® 3B2.
  • diphenyl disulfonates are included in certain preferred embodiments of the invention in that they provide not only a useful cleaning benefit but concurrently also provide a useful degree of hydrotropic functionality.
  • anionic surfactants can include salts (including, for example, sodium, potassium, ammonium, and substituted ammonium salts such as mono-, di-and triethanolamine salts) of soap, C 6 -C 20 linear alkylbenzenesulfonates, C 6 -C 22 primary or secondary alkanesulfo ⁇ ates, C 6 -C 24 olefmsulfonates, sulfonated polycarboxylic acids prepared by sulfonation of the pyrolyzed product of alkaline earth metal citrates, C 6 -C 24 alkylpolyglycolethersulfates, alkyl ester sulfates such as Ci 4-16 methyl ester sulfates; acyl glycerol sulfonates, fatty oleyl glycerol sulfates, alkyl phenol ethylene oxide ether sulfates, paraffin sulfonates, alkyl phosphates, ise
  • anionic surfactant compound which may be particularly useful in the inventive compositions when the compositions are at a pH of 2 or less are one or more anionic surfactants based on alphasulphoesters including one or more salts thereof.
  • anionic surfactants may be represented by the following general structures:
  • R 1 represents a C 6 - C 22 alkyl or alkenyl group; each of R 2 is either hydrogen, or if not hydrogen is a SO 3 ' having associated with it a cation, X + , which renders the compound water soluble or water dispersible, with X preferably being an alkali metal or alkaline earth metal especially sodium or potassium, especially sodium, with the proviso that at least one R 2 , preferably at least two R 2 is a
  • R 3 represents a C 1 -C 6 , preferably C 1 -C 4 lower alkyl or alkenyl group, especially methyl.
  • anionic surfactants are however expressly excluded from the compositions of the present invention.
  • One class of exemplary useful nonionic surfactants are polyethylene oxide condensates of alkyl phenols. These compounds include the condensation, products of alkyl phenols having an alkyl group containing from about 6 to 12 carbon atoms in either a straight chain or branched chain configuration with ethylene oxide, the ethylene oxide being present in an amount equal to 5 to 25 moles of ethylene oxide per mole of alkyl phenol.
  • the alkyl substituent in such compounds can be derived, for example, from polymerized propylene, diisobutylene and the like.
  • Examples of compounds of this type include nonyl phenol condensed with about 9.5 moles of ethylene oxide per mole of nonyl phenol; dodecylphenol condensed with about 12 moles of ethylene oxide per mole of phenol; dinonyl phenol condensed with about 15 moles of ethylene oxide per mole of phenol and diisooctyl phenol condensed with about 15 moles of ethylene oxide per mole of phenol.
  • Nonionic surfactants include the condensation products of aliphatic alcohols with from about 1 to about 60 moles of ethylene oxide.
  • the alkyl chain of the aliphatic alcohol can either be straight or branched, primary or secondary, and generally contains from about 8 to about 22 carbon atoms.
  • Examples of such eth ⁇ xylated alcohols include the condensation product of myristyl alcohol condensed with about 10 moles of ethylene oxide per mole of alcohol and the condensation product of about 9 moles of ethylene oxide with coconut alcohol (a mixture of fatty alcohols with alkyl chains varying in length from about 10 to 14 carbon atoms).
  • C 6 -C 11 straight-chain alcohols which are ethoxylated with from about 3 to about 6 moles of ethylene oxide.
  • Their derivation is well known in the art.
  • Examples include Alfonic® 810-4.5 (also available as Teric G9A5), which is described in product literature from Sasol as a C 8-10 having an average molecular weight of 356, an ethylene oxide content of about 4.85 moles (about 60 wt.%), and an HLB of about 12;
  • Alfonic® 810-2 which is described in product literature from Sasol as a C 8-10 having an average molecular weight of 242, an ethylene oxide content of about 2.1 moles (about 40 wt.%), and an HLB of about 12;
  • Alfonic® 610-3.5 which is described in product literature from Sasol as having an average molecular weight of 276, an ethylene oxide content of about 3.1 moles (about 50 wt.%), and an HLB of 10.
  • Product literature from Sasol also identifies that the numbers
  • Neodol® 91 series non-ionic surfactants of interest include Neodol 91-2.5, Neodol 91-6, and Neodol 91-8.
  • Neodol 91-2.5 has been described as having about 2.5 ethoxy groups per molecule
  • Neodol 91-6 has been described as having about 6 ethoxy groups per molecule
  • Neodol 91-8 has been described as having about 8 ethoxy groups per molecule.
  • ethoxylated alcohols include the Rhodasurf® DA series non-ionic surfactants available from Rhodia which are described to be branched isodecyl alcohol ethoxylates.
  • Rhodasurf DA-530 has been described as having 4 moles of ethoxylation and an HLB of 10.5;
  • Rhodasurf D A-630 has been described as having 6 moles of ethoxylation with an HLB of 12.5;
  • Rhodasurf DA-639 is a 90% solution of DA-630.
  • Further examples of ethoxylated alcohols include those from Tomah Products
  • the ethoxylated alcohol series from Tomah include 91-2.5; 91-6; 91-8 - where R is linear C9/C10/C11 and n is 2.5, 6, or 8; 1-3; 1-5; 1-7; 1-73B; 1-9; - where R is linear Cl 1 and n is 3, 5, 7 or 9; 23-1; 23-3; 23-5; 23-6.5 - where R is linear C12/C13 and n is 1, 3, 5, or 6.5; 25-3; 25-7; 25-9; 25-12 - where R is linear C12/C13 C14/ C15 and n is 3, 7, 9, or 12; and 45-7; 45-13 - where R is linear C14/ C15 and n is 7 or 13.
  • nonionic surfactants include those having a formula RO(CH 2 CH 2 O) n H wherein R is a mixture of linear, even carbon-number hydrocarbon chains ranging from C 12 H 25 to C 16 H 33 and n represents the number of repeating units and is a number of from about 1 to about 12. Surfactants of this formula are presently marketed under the Genapol® tradename.
  • 26-L series available from Clariant, Charlotte, N.C., include the 26-L series of the general formula RO(CH 2 CH 2 O) n H wherein R is a mixture of linear, even carbon-number hydrocarbon chains ranging from C 12 H 25 to C 16 H 33 and n represents the number of repeating units and is a number of from 1 to about 12, such as 26-L-l, 26-L-1.6, 26-L-2, 26-L-3, 26-L-5, 26-L-45, 26-L-50, 26-L-60, 26-L-60N, 26-L- 75, 26-L-80, 26-L-98N, and the 24-L series, derived from synthetic sources and typically contain about 55% C 12 and 45% C 14 alcohols, such as 24-L-3, 24-L-45, 24-L-50, 24-L- 60, 24-L-60N, 24-L-75, 24-L-92, and 24-L-98N.
  • R is a mixture of linear, even carbon-number hydrocarbon chains ranging from C 12 H 25 to
  • the single number following the "L” corresponds to the average degree of ethoxylation (numbers between 1 and 5) and the two digit number following the letter "L” corresponds to the cloud point in °C of a 1.0 wt.% solution in water.
  • nonionic surfactants which are contemplated to be useful include those based on alkoxy block copolymers, and in particular, compounds based on ethoxy/propoxy block copolymers.
  • Polymeric alkylene oxide block copolymers include nonionic surfactants in which the major portion of the molecule is made up of block polymeric C 2 -C 4 alkylene oxides.
  • Such nonionic surfactants while preferably built up from an alkylene oxide chain starting group, and can have as a starting nucleus almost any active hydrogen containing group including, without limitation, amides, phenols, thiols and secondary alcohols.
  • One group of such useful nonionic surfactants containing the characteristic alkylene oxide blocks are those which may be generally represented by the formula (A):
  • PO represents propylene oxide
  • y equals at least 15
  • (EO) x+ y equals 20 to 50% of the total weight of said compounds, and, the total molecular weight is preferably in the range of about 2000 to 15,000.
  • surfactants are available under the PLURONIC tradename from BASF or Emulgen from Kao.
  • R-(EO,PO)a(EO,PO) b -H (B) wherein R is an alkyl, aryl or aralkyl group, where the R group contains 1 to 20 carbon atoms, the weight percent of EO is within the range of 0 to 45% in one of the blocks a, b, and within the range of 60 to 100% in the other of the blocks a, b, and the total number of moles of combined EO and PO is in the range of 6 to 125 moles, with 1 to 50 moles in the PO rich block and 5 to 100 moles in the EO rich block.
  • nonionic surfactants which in general are encompassed by Formula B include butoxy derivatives of propylene oxide/ethylene oxide block polymers having molecular weights within the range of about 2000-5000.
  • nonionic surfactants containing polymeric butoxy (BO) groups can be represented by formula (C) as follows:
  • R is an alkyl group containing I to 20 carbon atoms, n is about 5- 15 and x is about 5- 15.
  • nonionic block copolymer surfactants which also include polymeric butoxy groups, are those which may be represented by the following formula (D):
  • nonionic block copolymer surfactants include ethoxylated derivatives of propoxylated ethylene diamine, which may be represented by the following formula:
  • (PO) represents propoxy
  • the amount of (PO) x is such as to provide a molecular weight prior to ethoxylation of about 300 to 7500
  • the amount of (EO) y is such as to provide about 20% to 90% of the total weight of said compound.
  • the highly alkaline hard surface cleaning compositions may also include one or more amphoteric surfactants.
  • amphoteric surfactants which are contemplated to be useful in the cosurfactant constituent include one or more water-soluble betaine surfactants which may be represented by the general formula:
  • R 1 is an alkyl group containing from 8 to 18 carbon atoms, or the amido radical which may be represented by the following general formula:
  • R is an alkyl group having from 8 to 18 carbon atoms
  • a is an integer having a value of from 1 to 4 inclusive
  • R 2 is a C 1 -C 4 alkylene group.
  • water-soluble betaine surfactants include dodecyl dimethyl betaine, as well as cocoamidopropylbetaine.
  • the inventive compositions may also include an one or more .
  • alkylpolyglucosides which are to be understood as including alkylmonoglucoside and alkylpolyglucoside surfactants based on a polysaccharide, which are preferably one or more alkyl polyglucosides. These materials may also be referred to as alkyl monoglucosides and alkylpolyglucosides.
  • Suitable alkyl polyglucosides are known nonionic surfactants which are alkaline and electrolyte stable. Such include alkyl glucosides, alkyl polyglucosides and mixtures thereof.
  • Alkyl glucosides and alkyl polyglucosides can be broadly defined as condensation articles of long chain alcohols, e.g., C 8 -C 30 alcohols, with sugars or starches or sugar or starch polymers i.e., glucosides or polyglucosides. These compounds can be represented by the formula (S) n — O — R wherein S is a sugar moiety such as glucose, fructose, mannose, and galactose; n is an integer of from about 1 to about 1000, and R is a C 8-30 alkyl group.
  • Examples of long chain alcohols from which the alkyl group can be derived include decyl alcohol, cetyl alcohol, stearyl alcohol, lauryl alcohol, myristyl alcohol, oleyl alcohol and the like.
  • Alkyl mono- and polyglucosides are prepared generally by reacting a monosaccharide, or a compound hydrolyzable to a monosaccharide with an alcohol such as a fatty alcohol in an acid medium.
  • a monosaccharide or a compound hydrolyzable to a monosaccharide with an alcohol such as a fatty alcohol in an acid medium.
  • Various glucpside and polyglucoside compounds including alkoxylated glucosides and processes for making them are disclosed in U.S. Patent No. 2,974,134; U.S. Patent No.3,219,656; U.S. Patent No. 3,598,865; U.S. Patent No. 3,640,998; U.S. Patent No. 3,707,535; U.S. Patent No. 3,772,269; U.S. Patent No. 3,839,318; U.S. Patent No. 3,974,138; U.S. Patent No. 4,223,129; and U.S. Patent No
  • Exemplary useful alkyl glucoside surfactants suitable for use in the practice of this invention may be represented by formula I below:
  • R is a monovalent organic radical containing from about 6 to about 30, preferably from about 8 to about 18 carbon atoms;
  • R 1 is a divalent hydrocarbon radical containing from about 2 to about 4 carbon atoms; O is an oxygen atom;
  • . y is a number which has an average value from about 0 to about 1 and is preferably 0;
  • G is a moiety derived from a reducing saccharide containing 5 or 6 carbon atoms; and x is a number having an average value from about 1 to 5 (preferably from 1.1 to 2); Z is O 2 M 1 ,
  • b is a number of from O to 3x+l preferably an average of from 0.5 to 2 per glycosal group;
  • p is 1 to 10
  • M 1 is H + or an organic or inorganic cation, such as, for example, an alkali metal, ammonium, monoethanolamine, or calcium.
  • R is generally the residue of a fatty alcohol having from about 8 to 30 and preferably 8 to 18 carbon atoms.
  • alkylpolyglucosides include those according to the formula II:
  • R 2 is a hydrophobic group selected from alkyl groups, alkylphenyl groups, hydroxyalkylphenyl groups as well as mixtures thereof, wherein the alkyl groups may be straight chained or branched, and which contain from about 8 to about 18 carbon atoms, n has a value of 2 - 8, especially a value of 2 or 3; r is an integer from O to 10, but is preferably O,
  • the alkylpolyglucosides are nonionic fatty alkylpolyglucosides which contain a straight chain or branched chain C 8 -C 15 alkyl group, and have an average of from about 1 to 5 glucose units per fatty alkylpolyglucoside molecule. More preferably, the nonionic fatty alkylpolyglucosides which contain straight chain or branched C 8 -Ci 5 alkyl group, and have an average of from about 1 to about 2 glucose units per fatty alkylpolyglucoside molecule.
  • alkylpolyglucosides examples include, for example, APGTM 325 which is described as being a Cp-Cu alkyl polyglucoside, also commonly referred to as D-glucopyranoside, (ex. Cognis).
  • Further exemplary alkylpolyglucosides include Glucopon® 625 CS which is described as being a C 10 -C 16 alkyl polyglucoside, also commonly referred to as a D-glucopyranoside, (ex. Cognis), lauryl polyglucoside available as APGTM 600 CS and 625 CS (ex.
  • Glucopon® tradename e.g., Glucopon® 215, Glucopon® 225, Glucopon® 425, especially one or more of the alkyl polyglucosides demonstrated in one or more of the examples. It is believed that the alkylpolyglucoside surfactants sold under the Glucopon® tradename are synthezied at least in part on synthetically produced starting constituents and are colorless or only slightly colored, while those sold under the APGTM are synthesized at least in part on naturally occurring or sourced starting constituents and are more colored in appearance.
  • the one or more surfactants other than the amine oxide surfactant constituent are desirably present in the hard surface cleaning compositions of the invention in amounts of from about 0.01% - 10% by weight, more desirably from about 0.25% - 5% by weight, yet most preferably from about 0.25 - 3.5%wt. based on the total weight of the compositions of which they form a part. It is to be understood that these Weight percentages are in addition to the weight percentages of the amine oxide constituent which may be independently present, or absent, from the inventive compositions.
  • the highly alkaline inventive compositions necessarily also necessarily comprise an alkalinity constituent such as one or more of an alkanolamine, or an inorganic compound such as one or more alkali metal salts of various inorganic acids, such as alkali metal silicates, metasilicates, polysilicates, borates, carbonates, bicarbonates, hydroxides, and mixtures of same.
  • an alkalinity constituent such as one or more of an alkanolamine
  • an inorganic compound such as one or more alkali metal salts of various inorganic acids, such as alkali metal silicates, metasilicates, polysilicates, borates, carbonates, bicarbonates, hydroxides, and mixtures of same.
  • the alkalinity constituent is an alkanolamine constituent which provides alkalinity to the compositions, as well as simultaneously providing excellent removal of hydrophobic soils which may be encountered, e.g., greases and oils.
  • alkanolamines include monoalkanolamines, dialkanolamines, trialkanolamines, and alkylalkanolamines such as alkyl-dialkanolamines, and dialkyl- monoalkanolamines.
  • the alkanol and alkyl groups are generally short to medium chain length, that is, from 1 to 7 carbons in length.
  • alkanolamine constituent may be a single alkanolamine, or may be a plurality of alkanolamines as well, and may be used in conjunction with one or more of the foregoing inorganic compounds which may also be used as an alkalinity constituent.
  • the alkalinity constituent is present in the hard surface cleaning compositions of the invention in amounts of from about 0.01% - 10% by weight, more desirably from about 0.01% - 2% by weight, and most preferably from about 0.01 - l%wt. based on the total weight of the compositions of which they form a part.
  • the alkalinity constituent is monoethanolamine which has found to be effective both as an alkalinity source and as a cleaning component.
  • the alkalinity constituent constituent of the invention consists solely of a single alkanolamine, preferably selected from monoalkanolamines, dialkanolamines, trialkanolamines of 1 to 7 carbons in length, preferably is a single monoalkanolamine selected from linear monoethanolamine, monopropanolamine or monobutanolamine, and especially preferably is monoethanolamine.
  • the inventive compositions also necessarily comprise a phenyl containing glycol ether solvent.
  • solvents may be distinguished from commonly utilized alkylene glycol ether solvents in that they contain a phenyl group in their structure, and may be also termed as alkylene glycol phenyl ethers.
  • Such phenyl containing glycol ether solvents are typically very slow evaporating materials which are also highly hydrophobic and exhibit very poor miscibility in water. Such properties have dissuaded their use in highly aqueous cleaning compositions, such as prior art hard surface cleaning compositions.
  • compositions of the present invention such phenyl containing glycol ether solvents may be readily dispersed in highly aqueous and highly alkaline compositions and further, that such phenyl containing glycol ether solvents even when dissolved or dispersed in such highly aqueous compositions provide a surprising cleaning benefit to hard surfaces, particularly to greasy soil laden hard surfaces.
  • An exemplary greasy soil is that described in the following examples.
  • the inventors have also surprisingly found that such compositions are also stable over time under adverse storage conditions, e.g., at reduced temperatures, including below freezing, as well as elevated temperatures.
  • phenyl containing glycol ether solvents include those which may be represented by the following general structural representation (I):
  • R is a Ci-C 6 alkyl group which contains at least one -OH moiety, and preferably Ris selected from: CH 2 OH, CH 2 CH 2 OH, CH(OH)CH 3 , CH(OH)CH 2 OH, CH 2 CH 2 CH 2 OH, CH 2 CH(OH)CH 3 , CH(OH)CH 2 CH 3 , CH(OH)CH 2 CH 2 OH 5
  • phenyl containing glycol ether solvent is commercially supplied as DOWANOL PPH, described to be a propylene glycol phenyl ether which is described by it supplier as being represented by the following structural representation (II):
  • the phenyl containing glycol ether solvent constituent may be a single phenyl containing glycol ether solvent, or may be a plurality of phenyl containing glycol ether solvents and is desirably present in the hard surface cleaning compositions of the invention in amounts of from about 0.01% - 5% by weight, more desirably from about 0.01% - 2% by weight, and most preferably from about 0.01 - l%wt. based on the total weight of the compositions of which they form a part.
  • the phenyl containing glycol ether solvents are present solely with the alkanolamine in the compositions of the invention, to the exclusion of one or more further cosolvents.
  • the phenyl containing glycol ether solvent constituent is used with one or more cosolvents based on organic solvents.
  • Contemplated as useful cosolvents are one or more useful organic solvents which include those which are water-miscible such as alcohols (e.g., low molecular weight alcohols, such as, for example, ethanol, propanol, isopropanol, and the like), glycols (such as, for example, ethylene glycol, propylene glycol, hexylene glycol, and the like), water-miscible ethers (e.g. diethylene glycol diethylether, diethylene glycol dimethylether, propylene glycol dimethylether), water-miscible glycol ether (e.g.
  • Glycol ethers having the general structure Ra-Rb-OH, wherein Ra is an alkoxy of 1 to 20 carbon atoms, Rb is an ether condensate of propylene glycol and/or ethylene glycol having from one to ten glycol monomer units.
  • organic solvents may be used, or alternately a single organic solvent may be provided as the organic solvent constituent.
  • cosolvents of the foregoing classes of organic solvents, one or more alkyl glycol ethers or monohydric alcohols, especially C 1 -C 4 alcohols are preferably used.
  • One or more of said organic solvents maybe provided as cosolvents.
  • cosolvent(s) may be present in amounts of up to about 5%wt, preferably are present in amounts of from about 0.01 - 3.5%wt.
  • cosolvents are expressly excluded from the inventive compositions.
  • Water is the primary constituent of the inventive compositions as the compositions are largely aqueous in nature, and comprise at least 75%wt., preferably at least about 80%wt. water, more preferably at least about 85%wt. water, still preferably at least about 88%wt., and in certain preferred embodiments comprise at least about 90%wt. water.
  • the amount of water is added to order to provide to 100% by weight of the compositions of the invention.
  • the water may be tap water, but is preferably distilled and is most preferably deionized water.
  • the water is tap water, it is preferably substantially free of any undesirable impurities such as organics or inorganics, especially minerals salts which are present in hard water which .may thus undesirably interfere with the operation of the constituents present in the aqueous compositions according to the invention.
  • the compositions exhibit a pH in the range of 9 or greater, preferably 10 or greater, yet more preferably a pH of about 10.5 - 13 still more preferably a pH in the range of 10.5 - 12, and most preferably a pH in the range of 11 - 12.
  • the inventors have surprisingly observed that the present inventive compositions exhibit excellent cleaning of hard surfaces, particularly greasy soil laden hard surfaces. As is demonstrated in the following examples such is particularly surprising in highly aqueous compositions and particularly the absence of cosolvents based on known art water miscible volatile organic compositions.
  • the highly alkaline hard surface cleaning compositions of the invention feature good storage stability characteristics both following freezing, as well as at elevated temperatures.
  • Following freezing, and thawing to room temperature (2O 0 C) no phase separation of the phenyl containing glycol ether constituent from the largely aqueous compositions has been observed.
  • no phase separation of the phenyl containing glycol ether constituent from the largely aqueous compositions has been observed following storage at 30°C, 40 0 C and 5O 0 C for at least two weeks, preferably to at least 4 weeks at these elevated temperatures.
  • compositions of the present invention can also optionally comprise one or more further constituents which are directed to improving the aesthetic or functional features of the inventive compositions.
  • Such conventional additives known to the art include but not expressly enumerated here may also be included in the compositions according to the invention.
  • these may include : chelating agents, coloring agents, light stabilizers, fragrances, thickening agents, abrasives, hydrotropes, pH adjusting agents, pH buffers as well as other conventional additives known to the relevant art.
  • non-essential constituents should be selected so to have little or no detrimental effect upon the desirable characteristics of the present invention.
  • Advantageously included constituents are one or more coloring agents which find use in modifying the appearance of the compositions and enhance their appearance from the perspective of a consumer or other end user.
  • Known coloring agents such as dyestuffs may be incorporated in the compositions in effective amounts.
  • compositions of the invention optionally but in certain cases desirably include a fragrance constituent.
  • Fragrance raw materials may be divided into three main groups: (1) the essential oils and products isolated from these oils; (2) products of animal origin; and (3) synthetic chemicals.
  • the essential oils consist of complex mixtures of volatile liquid and solid chemicals found in various parts of plants. Mention may be made of oils found in flowers, e.g., jasmine, rose, mimosa, and orange blossom; flowers and leaves, e.g., lavender and rosemary; leaves and stems, e.g., geranium, patchouli, and petitgrain; barks, e.g., cinnamon; woods, e.g., sandalwood and rosewood; roots, e.g., angelica; rhizomes, e.g., ginger; fruits, e.g., orange, lemon, and bergamot; seeds, e.g., aniseed and nutmeg; and resinous exudations, e.g., myrrh.
  • flowers e.g., jasmine, rose, mimosa, and orange blossom
  • flowers and leaves e.g., lavender and rosemary
  • leaves and stems e.g., geranium, patchouli, and
  • These essential oils consist of a complex mixture of chemicals, the major portion thereof being terpenes, including hydrocarbons of the formula (CsHs) n and their oxygenated derivatives. Hydrocarbons such as these give rise to a large number of oxygenated derivatives, e.g., alcohols and their esters, aldehydes and ketones. Some of the more important of these are geraniol, citronellol and terpineol, citral and citronellal, and camphor. Other constituents include aliphatic aldehydes and also aromatic compounds including phenols such as eugenol.
  • specific compounds may be isolated from the essential oils, usually by distillation in a commercially pure state, for example, geraniol and citronellal from citronella oil; citral from lemon-grass oil; eugenol from clove oil; linalool from rosewood oil; and safrole from sassafras oil.
  • the natural isolates may also be chemically modified as in the case of citronellal to hydroxy citronellal, citral to ionone, eugenol to vanillin, linalool to linalyl acetate, and safrol to heliotropin.
  • Animal products used in perfumes include musk, ambergris, civet and castoreum, and are generally provided as alcoholic tinctures.
  • the synthetic chemicals include not only the synthetically made, also naturally occurring isolates mentioned above, but also include their derivatives and compounds unknown in nature, e.g., isoamylsalicylate, amylcinnamic aldehyde, cyclamen aldehyde, heliotropin, ionone, phenylethyl alcohol, terpineol, undecalactone, and gamma nonyl lactone.
  • Fragrance compositions as received from a supplier may be provided as an aqueous or organically solvated composition, and may include as a hydrotrope or emulsifier a surface-active agent, typically a surfactant, in minor amount.
  • a hydrotrope or emulsifier a surface-active agent, typically a surfactant, in minor amount.
  • Such fragrance compositions are quite usually proprietary blends of many different specific fragrance compounds. However, one of ordinary skill in the art, by routine experimentation, may easily determine whether such a proprietary fragrance composition is compatible in the compositions of the present invention.
  • the compositions of the invention may include a thickener constituent.
  • An exemplary class of useful thickeners include organic polymeric thickeners include polycarboxylate polymers having a molecular weight from about 500,000 to about 4,000,000, preferably from about 1,000,000 to about 4,000,000, with, preferably, from about 0.5% to about 4% crosslinking.
  • Preferred polycarboxylate polymers include polyacrylate polymers including those sold under trade names Carbopol®, Acrysol®
  • the preferred polymers are polyacrylates. Other monomers besides acrylic acid can be used to form these polymers including such monomers as ethylene and propylene which act as diluents, and maleic anhydride which acts as a source of additional carboxylic groups.
  • polymeric based thickeners are those based on polyacrylamides. One example is Solagum from Seppic.
  • Another class of thickeners include colloid-forming clays, for example, such as smectite and/or attapulgite types.
  • Inorganic colloid forming clays tend to provide higher stability in the presence of chlorine and do not thin when subjected to shear.
  • the clay materials can be described as expandable layered clays, i.e., aluminosilicates and magnesium silicates.
  • the term "expandable" as used to describe the instant clays relates to the ability of the layered clay structure to be swollen, or expanded, on contact with water.
  • the expandable clays used herein are those materials classified geologically as smectites (or montmorillonite) and attapulgites (or polygorskites).
  • Smectites are three-layered clays. There are two distinct classes of smectite-type clays. In the first, aluminum oxide is present in the silicate crystal lattice; in the second class of smectites, magnesium oxide is present in the silicate crystal lattice.
  • the general formulas of these smectites are Al 2 (Si 2 Os) 2 (OH) 2 and Mg 3 (Si 2 Os)(OH) 2 , for the aluminum and magnesium oxide type clays, respectively. It is to be recognized that the range of the water of hydration in the above formulas may vary with the processing to which the clay has been subjected.
  • clays include, for example, montmorillonite (bentonite), volchonskoite, nontronite, beidellite, hectorite, saponite, sauconite and vermiculite.
  • the clays herein are available under various trade names such as Gelwhite H NF arid Gelwhite GP from Southern Clay Products, (both montmorillonites); Van Gel O from R. T. Vanderbilt, smectites, laponites and layered silicates from Southern Clay Products.
  • a second type of expandable clay material useful in the instant invention is classified geologically as attapulgite (polygorskite).
  • Attapulgites are magnesium-rich clays having principles of superposition of tetrahedral and octahedral unit cell elements different from the smectites. Like the smectites, attapulgite clays are commercially available. For example, such clays are marketed under the tradename Attagel, i.e. Attagel 40, Attagel 50 and Attagel 150 from Engelhard Minerals & Chemicals Corporation.
  • abrasive materials include oxides, carbonates, quartzes, siliceous chalk, diatomaceous earth, colloidal silicon dioxide, alkali metasilicates, organic abrasive materials selected from polyolefins, pdlyethylenes, polypropylenes, polyesters, polystyrenes, acetonitrile- butadiene-styrene resins, melamines, polycarbonates, phenolic resins, epoxies and polyurethanes, natural materials selected from rice hulls, corn cobs, and the like, nepheline syenite, or talc and mixtures thereof.
  • the particle size of the abrasive agent can range from about 1 ⁇ m to about 1000 ⁇ m, preferably between about 10 ⁇ m to about 200 ⁇ m, and more preferably between about 10 ⁇ m and about 100 ⁇ m. It is preferred to us those abrasive agents that will not scratch glass or ceramic surfaces. Such abrasive agents include calcium carbonate, siliceous chalk, diatomaceous earth, colloidal silicon dioxide, sodium metasilicate, talc, and organic abrasive materials. Calcium carbonate is preferred.
  • the compositions of the invention may include one or more constituents which provide a thickening benefit to the compositions. The selection of such thickener constituent must of course take into consideration the highly alkaline nature of the compositions.
  • any further constituents which are directed to improving the aesthetic or functional features of the inventive compositions but should be minimized in order to minimize the likelihood of deleterious effects such as reduced cleaning benefit, or reduction in the stability of the compositions according to the invention.
  • one or more such optional constituents are " present, preferably, in total they comprise not more than 10%wt, more preferably not more than 6%wt, still more preferably not more than 3.5%wt, and most preferably not more than about 2.5%wt of an inventive composition of which they form a part.
  • compositions of the invention are hard surface cleaning compositions which exhibit a pH of 9 or more, preferably 10 or more and which comprise (preferably consist essentially of):
  • an amine oxide constituent preferably a single amine oxide constituent, and especially preferably wherein the sole detersive surfactant present is an amine oxide constituent;
  • an alkalinity constituent especially a alkanolamine constituent, preferably a single monoalkanolamine selected from linear monoethanolamine, monopropanolamine or monobutanolamine, and especially preferably is monoethanolamine,;
  • the foregoing formulations expressly exclude the cosurfactants, or the cosolvents but especially preferably exclude both the cosurfactants and cosolvents.
  • compositions of the inventions may be produced by simple mixing of the constituents in water, preferably at least a major proportion of the deionized water is provided at room temperature to which is added under constant stirring the surfactant constituent, followed by the organic solvent constituent, and finally any optional constituent which may be included. Mixing continues until a homogenous mixture of the constituents is formed, after which mixing may be stopped and the compositions are ready for use. These as mixed compositions are preferably used without further dilution prior to their use in the treatment of hard surfaces.
  • the compositions of the invention may be formulated so to be supplied in as non- pressurized containers such as rigid containers or flasks, as well as in deformable containers or flask from which the inventive compositions may be dispensed.
  • the non- pressurized containers may be provided with a conventional trigger-pump spray apparatus which when actuated by a user, is used to withdraw a quantity of the composition from the container and expel it from the trigger-pump spray apparatus as a spray or stream which may be directed to a hard surface in need of treatment.
  • a conventional trigger-pump spray apparatus which when actuated by a user, is used to withdraw a quantity of the composition from the container and expel it from the trigger-pump spray apparatus as a spray or stream which may be directed to a hard surface in need of treatment.
  • compositions of the invention may be formulated with conventional propellants for dispensing as aerosols from conventional pressurized containers.
  • Propellants which may be used are well known and conventional in the art and include, for example, a hydrocarbon, of from 1 to 10 carbon atoms, such as n-propane, n-butane, isobutane, n-pentane, isopentane, and mixtures thereof; dimethyl ether and blends thereof as well as individual or mixtures of chlorofluoro- and/or fluorohydrocarbons- and/or hydrochlorofluorocarbons (HCFCs).
  • HCFCs chlorofluoro- and/or fluorohydrocarbons- and/or hydrochlorofluorocarbons
  • hydrocarbon based propellant compositions include A-70 (Aerosol compositions with a vapor pressure of 70 psig available from companies such as Diversified and Aeropress.), as well as fluorocarbon based propellant compositions such as DYMEL 152A (commercially available from DuPont.) Compressed gases such as carbon dioxide, compressed air, nitrogen, and possibly dense or supercritical fluids may also be used.
  • the amount of propellant employed should provide a suitable spray pattern and for essentially complete expulsion of the composition from the aerosol container.
  • the appropriate amount to be used for any particular aerosol propellant system can readily be determined by one skilled in the art.
  • the propellants comprise about 1% to about 50% of the aerosol formulation with preferred amounts being from about 2% to about 25%, more preferably from about 5% to about 15%.
  • the amount of a particular propellant employed should provide an internal pressure of from about 20 to about 150 psig at 70 0 F.
  • the composition of the present invention can also be applied to a hard surface by using a wet wipe preimpreganted with a quantity of the inventive composition.
  • the wipe can be of a woven or non-woven nature.
  • Fabric substrates can include nonwoven or woven pouches, sponges, in the form of abrasive or non-abrasive cleaning pads. Such fabrics are known commercially in this field and are often referred to as wipes. Such substrates can be resin bonded, hydroentangled, thermally bonded, meltblown, needlepunched, or any combination of the former.
  • Such nonwoven fabrics may be a combination of wood pulp fibers and .textile length synthetic fibers formed by well known dry-form or wet-lay processes. Synthetic fibers such as rayon, nylon, orlon and polyester as well as blends thereof can be employed.
  • the wood pulp fibers should comprise about 30 to about 60 percent by weight of the nonwoven fabric, preferably about 55 to about 60 percent by weight, the remainder being synthetic fibers.
  • the wood pulp fibers provide for absorbency, abrasion and soil retention whereas the synthetic fibers provide for substrate strength and resiliency.
  • the substrate of the wipe may also be a film forming material such as a water soluble polymer.
  • Such self-supporting firm substrates may be sandwiched between layers of fabric substrates and heat sealed to form a useful substrate. The free standing firms can be extruded utilizing standard equipment to devolatilize the blend. Casting technology can be used to form and dry films or a liquid blend can be saturated into a carrier and then dried in a variety of known methods.
  • compositions of the present invention are absorbed onto the wipe to form a saturated wipe.
  • the wipe can then be sealed individually in a pouch which can then be opened when needed or a multitude of wipes can be placed in a container for use on an as needed basis.
  • the container when closed, sufficiently sealed to prevent evaporation of any components from the compositions.
  • compositions are readily used in the cleaning of hard surfaces by application a cleaning effective amount of a hard surface cleaning composition according to any of the prior recited inventive aspects to a hard surface in need of such treatment, and concurrently or subsequently, wiping the surface with a cloth, wipe or wiping article.
  • the following examples exhibit exemplary and preferred formulations of the invention. It is to be understood that these examples are provided by way of illustration only and that further useful formulations falling within the scope of the present invention and the claims may be readily produced by one skilled in the art without deviating from the scope and spirit of the invention.
  • Formulation according to the invention were produced by mixing the constituents outlined in Table 1 by adding the individual constituents into a beaker of deionized water at room temperature which was stirred with a conventional magnetic stirring rod. Stirring continued until each of the formulations were homogenous in appearance. It is to be noted that the constituents might be added in any order, but it is preferred that a major proportion of water be the initial constituent provided to a mixing vessel or apparatus as it is the major constituent and addition of the further constituents thereto is convenient.
  • Table 1 is indicated in weight percent, and the indicated amounts are based on the "as supplied" constituents, which may have been less than 100%wt. "actives". In such instances the named constituent is followed by the percentage of %wt. actives, in parenthesis, provided in the "as supplied” constituent. Constituents which are not indicated with a corresponding percentage of %wt. actives, in parenthesis, are to be considered as 99%-100%wt. "active”. Also, as indicated deionized water was added to each formulation in quantum sufficient, "q.s.” to provide the balance to 100%wt. of each of the example compositions.
  • a comparative composition which excluded propylene glycol phenyl ether was also prepared in the same manner as the compositions according to those indicated on Table 1, and had the following constitution indicated on Table 2.
  • composition according to Cl was most similar to that of E2, but excluded propylene glycol phenyl ether.
  • the sponge (water dampened) of a Gardner Abrasion Tester apparatus was squirted with a 15 gram sample of a tested cleaning composition, and the apparatus was cycled 2 times. The test was replicated 4 times for each tested composition. The tiles were dried, and then the cleaning efficacy was evaluated. The cleaning efficacy of the tested compositions was evaluated utilizing a Minolta Chroma Meter CR-400, with Data Processor DP-100, which evaluated spectrophotomic characteristics of the sample.

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Abstract

La présente invention concerne des préparations nettoyantes basiques fortement aqueuses améliorées pour surfaces dures, lesdites préparations pouvant être employées dans le nettoyage de surfaces dures, en particulier de surfaces dures souillées par des matières grasses. Les préparations préférées comprennent un aminoxyde en tant qu'unique constituant tensioactif, un constituant basicifiant, en particulier une alcanolamine, un éther d'alkylène glycol et de phényle en tant qu'unique constituant de type solvant organique, et de l'eau, et éventuellement un colorant et/ou une formule de parfum. Les préparations permettent d'obtenir d'excellents résultats en termes de nettoyage des matières grasses sur des surfaces dures.
PCT/GB2007/000635 2006-03-03 2007-02-26 Préparation nettoyante pour surface dure WO2007099294A1 (fr)

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WO2008155518A1 (fr) * 2007-06-21 2008-12-24 Reckitt Benckiser Inc. Composition alcaline de nettoyage de surfaces dures
GB2474260A (en) * 2009-10-08 2011-04-13 Reckitt Benckiser Inc Hard surface cleaning composition
WO2015164677A1 (fr) 2014-04-23 2015-10-29 Gregory Van Buskirk Formulations de nettoyage pour des individus sensibles aux produits chimiques : compositions et procédés
US20220098519A1 (en) * 2019-01-25 2022-03-31 Kao Corporation Detergent composition for metal product and method for cleaning metal product using said detergent composition

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008155518A1 (fr) * 2007-06-21 2008-12-24 Reckitt Benckiser Inc. Composition alcaline de nettoyage de surfaces dures
US8772217B2 (en) 2007-06-21 2014-07-08 Reckitt Benckiser Llc Alkaline hard surface cleaning composition
GB2474260A (en) * 2009-10-08 2011-04-13 Reckitt Benckiser Inc Hard surface cleaning composition
WO2015164677A1 (fr) 2014-04-23 2015-10-29 Gregory Van Buskirk Formulations de nettoyage pour des individus sensibles aux produits chimiques : compositions et procédés
US20220098519A1 (en) * 2019-01-25 2022-03-31 Kao Corporation Detergent composition for metal product and method for cleaning metal product using said detergent composition
US12060540B2 (en) * 2019-01-25 2024-08-13 Kao Corporation Detergent composition for metal product and method for cleaning metal product using said detergent composition

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