EP2041255B1 - Alkalisches bodenreinigungsmittel und bodenreinigungsverfahren - Google Patents

Alkalisches bodenreinigungsmittel und bodenreinigungsverfahren Download PDF

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Publication number
EP2041255B1
EP2041255B1 EP06787100A EP06787100A EP2041255B1 EP 2041255 B1 EP2041255 B1 EP 2041255B1 EP 06787100 A EP06787100 A EP 06787100A EP 06787100 A EP06787100 A EP 06787100A EP 2041255 B1 EP2041255 B1 EP 2041255B1
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EP
European Patent Office
Prior art keywords
cleaning composition
concentrate
alkalinity
floor
composition
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Application number
EP06787100A
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English (en)
French (fr)
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EP2041255A1 (de
Inventor
Karen O. Rigley
Joseph Thekkekandam
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Ecolab Inc
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Ecolab Inc
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Priority to PL06787100T priority Critical patent/PL2041255T3/pl
Priority to EP09155036A priority patent/EP2075323A1/de
Publication of EP2041255A1 publication Critical patent/EP2041255A1/de
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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
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/04—Water-soluble compounds
    • C11D3/046—Salts
    • 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
    • C11D17/0047—Detergents in the form of bars or tablets
    • C11D17/0052—Cast detergent compositions
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/0005—Other compounding ingredients characterised by their effect
    • C11D3/0047—Other compounding ingredients characterised by their effect pH regulated compositions
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/0005—Other compounding ingredients characterised by their effect
    • C11D3/0073—Anticorrosion compositions
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/04—Water-soluble compounds
    • C11D3/044—Hydroxides or bases
    • 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
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/04—Water-soluble compounds
    • C11D3/06—Phosphates, including polyphosphates
    • 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
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/04—Water-soluble compounds
    • C11D3/10—Carbonates ; Bicarbonates
    • 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
    • C11D3/2086—Hydroxy carboxylic 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
    • C11D3/26—Organic compounds containing nitrogen
    • C11D3/30—Amines; Substituted amines ; Quaternized amines
    • 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
    • C11D3/32—Amides; Substituted amides
    • C11D3/323—Amides; Substituted amides urea or 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
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/26—Organic compounds containing nitrogen
    • C11D3/33—Amino carboxylic acids
    • 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
    • C11D3/36—Organic compounds containing phosphorus
    • C11D3/361—Phosphonates, phosphinates or phosphonites
    • 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
    • C11D3/37—Polymers
    • C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3707—Polyethers, e.g. polyalkyleneoxides
    • 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
    • C11D3/37—Polymers
    • C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3757—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3757—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions
    • C11D3/3761—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions in solid compositions

Definitions

  • the invention relates to an alkaline floor cleaning composition and to a method of cleaning a floor using an alkaline floor cleaning composition.
  • the alkaline floor cleaning composition is available for the removal of fresh, greasy soils and polymerized soils commonly encountered in the food service industry.
  • Fresh, greasy soils can result from the presence of fatty soil, which can comprise, for example, a neutral fatty acid triglyceride ester and similar neutral fats, and free fatty acids or salts thereof.
  • the fatty acid salts can be formed from a cation such as sodium, calcium, magnesium, ferric, ferrous, etc.
  • Polymerized soil refers to fats and fatty derivatives that have likely been polymerized through cross-linldng in a manner similar to that of drying oils such as linseed oil. Polymerized soils present a different challenge compared to fresh, greasy soils.
  • quarry tile A type of floor surface often encountered in the food service industry can be referred to as quarry tile.
  • quarry tile In general, quarry tile is often arranged in a grid-like pattern to form a flooring surface and contains a cement-like material called grout provided in the joints between the quarry tile.
  • an alkaline or neutral cleaner is used for removing fresh, greasy soil from the floor and an acidic cleaner is used for removing polymerized soil from the floor surface.
  • a product to clean fresh, greasy soils is available under the name KADET®-AF All Surface Floor Cleaner from Kay Chemical Company.
  • a product available to clean fresh greasy soil and polymerized soils is available under the name KADET® Quarry Tile Floor Cleaner from Kay Chemical Company.
  • EP 1 580 302 A1 discloses a composition for cleaning comprising an alkyleneoxyalkylphophate diester - or triester as corrosion inhibitor.
  • the alkaline cleaning composition concentrate in the form of a liquid is provided according to the present invention.
  • the alkaline cleaning composition concentrate comprises 15 wt.% to 65 65.% water, 5 wt.% to 25 wt.% surfactant, wherein the surfactant comprises a mixture of anionic surfactant selected from the group consisting of carboxybates, sulfonates, sulfates and nonionic surfactant selected from the group consisting of benzyl-, methyl-, ethyl-, propyl-, butyl- and alkyl-capped polyethylene glycol ethers of fatty alcohols; polyalkylene oxide, alkyl polyglycosides; sorbitan and sucrose esters and their ethoxylates; alkoxylated ethylene diamine; alcohol alkoxylates, nonylphenol ethoxylate, polyoxyethylene glycol ethers carboxylic acid esters carboxylic amides and polyalkylene oxide block copolymers including
  • composition exhibits an aluminium corrosion rate of less than 6,35 mm/year (250 mils/year) according to a modified version of ASTM G31-72, and is considered non-corrosive according to OSHA Hazard Communication Standard Rule (29 C.F.R. 1910.1200 App. A and B).
  • a method of cleaning a floor is provided according to the present invention.
  • the method can be practiced using the alkaline floor cleaning composition concentrate in the form of a liquid or the alkaline cleaning composition concentrate in the form of a solid.
  • the liquid concentrate or the solid concentrate is diluted with water of dilution to provide a use composition having a chelant level of at least about 100 ppm.
  • the use composition can then be applied to a floor surface to provide cleaning of fresh, greasy soil and polymerized soil from the floor surface.
  • the present invention is directed to an alkaline floor cleaning composition that can be used to remove fresh, greasy soil and polymerized soil from a floor surface.
  • the alkaline floor cleaning composition can be referred to more simply as the cleaning composition.
  • the alkaline floor cleaning composition can be provided as a concentrate or as a use composition.
  • a use composition refers to a composition that is intended to be applied to a floor surface to provide cleaning properties.
  • a use composition can be prepared as a result of diluting a concentrate with water of dilution.
  • the alkaline floor cleaning composition refers to a use composition having a pH of at least about 9.5, or to a concentrate that provides a use composition having a pH of at least about 9.5 when diluted with water of dilution.
  • Fresh, greasy soil refers to a type of soil deposit often found on the floors in the food service industry.
  • fresh, greasy soils can result from the presence of fatty soil, which can comprise, for example, a fatty acid triglyceride ester and similar fats, and free fatty acids or salts thereof.
  • the fatty acid salts can be formed from a cation, such as sodium, calcium, magnesium, ferric ferrous, etc.
  • Polymerized soil refers to another type of soil often encountered on floors in the food service industry. Polymerized soils generally refer to fats and fatty derivatives that have been polymerized through cross-linking in a manner similar to that of drying oils such as linseed oil.
  • the polymerized film adheres to negatively charged surfaces such as quarry tile through bonding with water hardness ions such as calcium and magnesium as taught by Cockrell, Jr. et al. in U.S. Pat. Nos. 4,877,459 and 4,749,508 .
  • the alkaline floor cleaning composition can be applied to various floor surfaces including quarry tile, vinyl composition tile, concrete, poured floors, etc.
  • quarry tile refers to ceramic tile and natural stone.
  • Quarry tile is often found in food preparation environments such as restaurant kitchens, hospitals, food processing establishments, food preparation establishments, slaughter houses, packing plants, shortening production plants, etc.
  • the alkaline floor cleaning composition concentrate is provided as a liquid.
  • the composition can be packaged and shipped without labeling the packaging as corrosive.
  • the liquid concentrate can be provided as non-corrosive to aluminum so that the concentrate can avoid being labeled as corrosive under United States Department of Transportation regulations.
  • a liquid composition that can be considered relatively non-corrosive to aluminum exhibits an aluminum corrosion rate of less than about 6,35 mm/year (250 mils/year) according to a modified version of ASTM G31-72.
  • ASTM G31-72 A modified version of ASTM G31-72 is explained in the examples section.
  • the composition can be considered non-corrosive when evaluated according to OSHA Hazard Communication Standard Rule (29 CFR 1910.1200 App. A and B).
  • the cleaning composition when provided as a liquid, can be considered relatively stable and resistant to phase separation and precipitation at temperatures of 48.88°C (120°F) and 4.44°C (40°F) for at least 6 weeks.
  • the cleaning composition includes an alkalinity source to enhance detersive properties.
  • an alkalinity source refers to a component that causes the use composition to have a pH of at least about 9.5.
  • it is desirable to provide the use composition as a mildly alkaline cleaning composition because it is considered to be safer than use compositions based on caustic alkalis.
  • a mildly alkaline cleaning composition refers to a composition having a pH below about 11.5.
  • the alkalinity source can be derived from an organic or inorganic alkali such as an alkanolamine, alkali metal carbonate, alkali metal hydroxide, phosphate, borate, silicate, or a mixture thereof.
  • alkanolamines that can be used include, for example, 2-amino-2-methyl-propanol, monoethanolamine, triethanolamine, diisopropanolamine, or mixtures thereof.
  • Exemplary metal carbonates that can be used include, for example, sodium carbonate, potassium carbonate, sodium bicarbonate, potassium bicarbonate, sodium sesquicarbonate, potassium sesquicarbonate, or mixtures thereof.
  • Exemplary alkali metal hydroxides that can be used include, for example, sodium hydroxide or potassium hydroxide.
  • Alkali metal hydroxide may be added to the composition in the form of solid beads, dissolved in an aqueous solution, or a combination thereof.
  • Alkali metal hydroxides are commercially available as a solid in the form of prilled solids or beads, or as an aqueous solution, for example, as a 50 wt.% and a 73 wt.% solution.
  • Exemplary phosphates that can be used include, for example, sodium or potassium phosphates or polyphosphates.
  • the alkaline floor cleaning composition includes a buffering agent to control the level of alkalinity.
  • Basic buffering agents that can be used include a base and the alkali metal salt of a complementary acid.
  • Exemplary bases include sodium bicarbonate, mixtures of sodium bicarbonate and sodium carbonate, disodium phosphate, monosodium phosphate, mixtures of disodium phosphate and trisodium phosphate, borates such as sodium tetraborate and borax.
  • Alkali metal or organic amine salts of organic acids can also be used. Examples include sodium, potassium or triethanolamine salts of acetic, citric, lactic or tartaric acids.
  • the alkaline floor cleaning composition can include a buffering agent in an amount sufficient to control the level of alkalinity in the concentrate.
  • the liquid concentrate include 2 wt.% to 10 wt.% buffer, and can include about 3 wt% to about 5 wt.% buffer.
  • the alkalinity source and the buffering agent is controlled so that the free alkalinity (expressed as Na 2 O) is 1.5 % to 3.5 % or about 2.0% to about 3.4%, and the total alkalinity (expressed as Na 2 O) is about 2.0 to about 6.0% or about 2.4% to about 4.0% when the alkaline cleaning composition concentrate is provided as a liquid. Furthermore, the alkaline cleaning composition concentrate, can be considered non-corrosive according to OSHA Hazard Communication Standard Rule (29 C.R.F. 1910.1200 App. A and B).
  • the cleaning composition includes a surfactant which is a mixture of an anionic surfactant and a nonionic surfactant.
  • Exemplary surfactants that can be used are commercially available from a number of sources. For a discussion of surfactants, see Kirk-Othmer, Encyclopedia of Chemical Technology, Third Edition, volume 8, pages 900-912 .
  • Anionic surfactants useful in the cleaning composition includes, for example, carboxylates such as alkylcarboxylates (carboxylic acid salts) and polyalkoxycarboxylates, alcohol ethoxylate carboxylates, nonylphenol ethoxylate carboxylates; sulfonates such as alkylsulfonates, alkylbenzenesulfonates, alkylarylsulfonates, sulfonated fatty acid esters; sulfates such as sulfated alcohols, sulfated alcohol ethoxylates, sulfated alkylphenols, alkylsulfates, sulfosuccinates, alkylether sulfates.
  • Exemplary anionic surfactants include sodium alkylarylsulfonate, alpha-olefinsulfonate, and fatty alcohol sulfates.
  • Nonionic surfactants useful in the cleaning composition include, for example, benzyl-, methyl-, ethyl-, propyl-, butyl- and other like alkyl-capped polyethylene glycol ethers of fatty alcohols; polyalkylene oxide alkyl polyglycosides; sorbitan and sucrose esters and their ethoxylates; alkoxylated ethylene diamine; alcohol alkoxylates such as alcohol ethoxylates (Surfonic L12-6 commercially available from Huntsman), alcohol ethoxylate propoxylates, alcohol propoxylates, alcohol propoxylate ethoxylate propoxylates, alcohol ethoxylate butoxylates; nonylphenol ethoxylate, polyoxyethylene glycol ethers; carboxylic acid esters such as glycerol esters, polyoxyethylene esters, ethoxylated and glycol esters of fatty acids, carboxylic amides such as diethanolamine condensates, monoal
  • the cleaning composition when provided as a liquid concentrate, includes the surfactant in an amount of 5 wt.% to 25 wt.%, preferaby about 8 wt.% to about 15 wt.%.
  • the cleaning composition includes a chelating/sequestering agents or builder.
  • the cleaning composition can include chelating/sequestering agents such as aminocarboxylates.
  • Exemplary aminocarboxylates include, for example, the alkali metal salts of methyl glycine diacetic acid, nitrilotriacetic acid (NTA), ethylenediaminetetraacetic acid (EDTA), N-hydroxyethyl-ethylenediaminetriacetic acid (HEDTA), diethylenetriaminepentaacetic acid (DTPA) and N-hydroxyethyliminodiacetic acid.
  • a chelating agent is a molecule capable of coordinating (i.e., binding) the metal ions commonly found in natural water to prevent the metal ions from interfering with the action of the other detersive ingredients of a cleaning composition.
  • chelating/sequestering agents can generally be referred to as a type of builder.
  • the chelating/sequestering agent may also function as a threshold agent when included in an effective amount.
  • condensed phosphates examples include sodium and potassium pyrophosphate, sodium tripolyphosphate, sodium hexametaphosphate.
  • a condensed phosphate may also assist, to a limited extent, in solidification of the composition by fixing the free water present in the composition as water of hydration.
  • Exemplary phosphonates are HEDP, ATMP and DTPMP.
  • a neutralized or alkaline phosphonate, or a combination of the phosphonate with an organic or inorganic alkali source prior to being added into the mixture such that there is little or no heat or gas generated by a neutralization reaction when the phosphonate is added is preferred when solidification of composition is desired.
  • the phosphonate can comprise a potassium or sodium salt of an organo phosphonic acid (a potassium phosphonate).
  • the potassium salt of the phosphonic acid material can be formed by neutralizing the phosphonic acid with an aqueous potassium hydroxide solution during the manufacture of the solid detergent.
  • the phosphonic acid sequestering agent can be combined with a potassium hydroxide solution at appropriate proportions to provide a stoichiometric amount of potassium hydroxide to neutralize the phosphonic acid.
  • a potassium hydroxide having a concentration of from about 1 to about 50 wt% can be used.
  • the phosphonic acid can be dissolved or suspended in an aqueous medium and the potassium hydroxide can then be added to the phosphonic acid for neutralization purposes.
  • the cleaning composition concentrate When the cleaning composition concentrate is provided as a liquid concentrate, the concentrate can contain 4 wt.% to 20 wt.% chelant, or about 6 wt.% to about 10 wt.% chelant.
  • the cleaning composition concentrate may further include one or more optional processing aids.
  • optional processing aids may provide one or more processing advantages during processing of the above-described solid cleaning product components and/or one or more desirable properties to the resulting solid cleaning product.
  • Suitable processing aids for use in the present invention include sodium sulfate, sodium chloride, potassium sulfate, potassium chloride, and urea.
  • the processing aid includes anhydrous sodium sulfate or urea.
  • Suitable commercially available process aids include, but are not limited to, sodium sulfate available from Haarmann & Reimer Corporation (Elkhart, IN), and urea available from Mallinckrodt Baker, Inc. (Phillipsburg, NJ).
  • the cleaning composition concentrate can include up to about 15 percent by weight (wt.%) of one or more processing aids based on a total weight of the solid cleaning product.
  • the processing aid can be considered an optional component and need not be included in the cleaning composition concentrate.
  • the processing aid can be included in an amount of at least about 0.1 wt.%.
  • the liquid concentrate can include about 0.1 wt.% to about 15 wt.% processing aid, and can include about 6 wt.% to about 12 wt.% processing aid.
  • Hydrotropes/stabilizers can be provided in the liquid concentrate to help stabilize the composition.
  • exemplary hydrotropes that can be used include sodium xylene sulfonate, sodium toluene sulfonate, sodium naphthalene sulfonate, sodium cumene sulfonate, alkydiphenyloxide disulfonates, glycerine, organic diacids, propylene glycol, hexylene glycol, isopropanol, ethanol, glycol ethers and mixtures thereof. Hydrotropes are optional and can be excluded from the concentrate.
  • the hydrotrope can be provided in an amount of about 0.1 wt.% to about 10 wt.%. In the case of the liquid concentrate, the hydrotrope can be provided in an amount of about 3 wt.% to about 6 wt.%.
  • the chelant can be excluded from the solid concentrate.
  • the cleaning composition concentrate includes water.
  • water can be present to aid in the flow of the concentrate, and water can be present as water of hydration.
  • Water is present in an amount of 15 wt.% to 65 wt.%.
  • the concentrate can be diluted with water (water of dilution) to provide a use composition for removing fresh, greasy soil and polymerized soil from a floor surface.
  • the amount of water of dilution can be selected to provide a use composition having a chelant concentration of at least about 100 ppm, at least about 200 ppm, or at least about 250 ppm to provide desired soil removal properties.
  • the solid cleaning products of the present invention may contain one or more additives to provide a desired characteristic to the cleaning composition.
  • Suitable additives include, but are not limited to, colorants (i.e., dyes, pigments, etc.), perfumes, preservatives, antioxidants, UV stabilizers, and combinations thereof.
  • the cleaning composition includes at least one colorant to provide a desirable color, and at least one perfume or fragrance to provide a desirable scent.
  • Dyes may be included to alter the appearance of the composition, as for example, Direct Blue 86 (Miles), Fastusol Blue (Mobay Chemical Corp.), Acid Orange 7 (American Cyanamid), Basic Violet 10 (Sandoz), Acid Yellow 23 (GAF), Acid Yellow 17 (Sigma Chemical), Sap Green (Keystone Analine and Chemical), Metanil Yellow (Keystone Analine and Chemical), Acid Blue 9 (Hilton Davis), Sandolan Blue/Acid Blue 182 (Sandoz), Hisol Fast Red (Capitol Color and Chemical), Fluorescein (Capitol Color and Chemical), Acid Green 25 (Ciba-Geigy).
  • Direct Blue 86 Miles
  • Fastusol Blue Mobay Chemical Corp.
  • Acid Orange 7 American Cyanamid
  • Basic Violet 10 Sandoz
  • Acid Yellow 23 GAF
  • Acid Yellow 17 Sigma Chemical
  • Sap Green Keystone Analine and Chemical
  • Metanil Yellow Keystone Analine and Chemical
  • Acid Blue 9 Hilton Davis
  • additives such as colorants, perfumes, antioxidants, UV stabilizers, and preservatives, are each individually present in an amount of less than about 0.5 wt-% based on a total weight of the solid cleaning product.
  • the amount of colorant in the solid cleaning product when present, ranges from about 0.0005 to about 0.015 wt-% based on a total weight of the solid cleaning product.
  • the amount of perfume or fragrance can be from about 0.01 to about 0.25 wt % based on a total weight of the solid cleaning product.
  • one or more preservatives are present in the solid cleaning product in an amount ranging from about 0.001 to about 0.01 wt % based on a total weight of the solid cleaning product.
  • Fragrances or perfumes that may be included in the compositions include, for example, terpenoids such as citronellol, aldehydes such as amyl cinnamaldehyde, a jasmine such as C1S-jasmine or jasmal, vanillin, and the like.
  • the amounts of the components of the concentrate can be selected depending upon whether the concentrate is provided as a liquid concentrate or as a solid concentrate. Exemplary ranges for the components for the concentrate are identified in Table 1. Table 1 additionally includes ranges of components when the concentrate is provided as a liquid. Table 1: Ranges of Components for Liquid Concentrate Component Liquid Concentrate (wt.%) Liquid Concentrate (wt.%) Water 15 - 65 45 - 65 Surfactant 5-25 8-15 Chelant 4-20 6-10 Buffer 2-10 3-5 Processing aid 0-15 6-12 Hardening agent 0 0 Free alkalinity (expressed as Na 2 O) 1.5-3.5% 2.0-3.4% Total alkalinity (expressed as Na 2 O) 2.0-6.0% 2.4-4.0%
  • the alkaline cleaning composition concentrate can be diluted with water of dilution to provide a use composition that exhibits desired removal of fresh, greasy soil and polymerized soil from a floor surface.
  • the alkaline cleaning composition concentrate can be diluted with a sufficient amount of water to provide a use composition containing a chelant level of at least about 100 ppm, preferably greater than about 200 ppm, and more preferably greater than about 250 ppm. It is expected that a use composition prepared from the alkaline cleaning composition concentrate and can contain a chelant level of at least about 100 ppm, prefererably at least about 200 ppm, and more preferably greater than about 250 ppm can provide desired soil removal properties.
  • Examples 1 to 9 are examples according to the invention, examples 10 to 16 are comparative examples.
  • Table 2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Water 33.1 35.9 35.1 36.0 35.5 34.1 35.1 43.6 47.2 45.2 36.1 47.4 46.4 37.1 48.4 38.1
  • the aluminum corrosion rate can be determined according to ASTM G31-72 and NACE Standard TMO 169-76.
  • the method for determining aluminum corrosion rate reported in Table 2 can be referred to as a modified version of ASTM G31-72, and can be can be carried out as follows:
  • Aluminum panels should be rinsed in hot water and placed in 70% nitric acid for two minutes. Rinse in hot water and then isopropanol.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Detergent Compositions (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Processing Of Solid Wastes (AREA)

Claims (6)

  1. Alkalisches Konzentrat einer Reinigungszusammensetzung in Form einer Flüssigkeit, enthaltend:
    (a) 15 Gew.-% bis 65 Gew.-% Wasser;
    (b) 5 Gew.-% bis 25 Gew.-% oberflächenaktive Substanz, wobei die oberflächenaktive Substanz eine Mischung anionischer oberflächenaktiver Substanz, ausgewählt aus der Gruppe bestehend aus Carboxylaten, Sulfonaten und Sulfaten, und nichtionischer oberflächenaktiver Substanz, ausgewählt aus der Gruppe bestehend aus benzyl-, methyl-, ethyl-, propyl-, butyl- und alkylverkappten Polyethylenglykolethern von Fettalkoholen, Polyalkylenoxid, Alkylpolyglykosiden, Sorbit- und Sucroseestern und ihren Ethoxylaten, alkoxyliertem Ethylendiamin, Alkoholalkoxylaten, Nonylphenolethoxylat, Polyoxyethylenglykolethern, Carbonsäureestern, Carbonsäureamiden und Polyalkylenoxid-Blockcopolymeren einschließlich eines Ethylenoxid/Propylenoxid-Blockcopolymers, oberflächenaktiven Siliconen, enthält;
    (c) 4 Gew.-% bis 20 Gew.-% Chelatbildner;
    (d) 2 Gew.-% bis 10 Gew.-% Puffer und
    (e) eine Alkalitätsquelle, die ausreichend ist, um eine freie Alkalität (ausgedrückt als Na2O) von 1,5 % bis 3,5 % und eine Gesamtalkalität (ausgedrückt als Na2O) von 2 % bis 6 % bereitzustellen;
    wobei die Zusammensetzung eine Aluminiumkorrosionsrate von weniger als 6,35 mm/Jahr (250 mil/Jahr) gemäß einer modifizierten Version von ASTM G31-72 zeigt und gemäß OSHA Hazard Communication Standard Rule (29 C.F.R. 1910.1200 App. A and B) als nichtkorrosiv betrachtet wird.
  2. Alkalisches Konzentrat einer Reinigungszusammensetzung gemäß Anspruch 1, wobei die Alkalitätsquelle mindestens eines von Alkanolamin, Alkalimetallcarbonat, Alkalimetallhydroxid, Phosphat, Borat, Silicat oder Mischungen davon enthält.
  3. Alkalisches Konzentrat einer Reinigungszusammensetzung gemäß Anspruch 1, wobei der Chelatbildner Aminocarboxylat, Phosphat, Phosphonat, Polyacrylat, Gluconat, Citrat oder Mischungen davon enthält.
  4. Alkalisches Konzentrat einer Reinigungszusammensetzung gemäß Anspruch 1, das ferner 0,1 Gew.-% bis 15 Gew.-% einer Prozesshilfe enthält.
  5. Alkalisches Konzentrat einer Reinigungszusammensetzung gemäß Anspruch 4, wobei die Prozesshilfe Natriumsulfat, Natriumchlorid, Kaliumsulfat, Kaliumchlorid, Harnstoff oder Mischungen davon enthält.
  6. Verfahren zur Reinigung eines Bodens, umfassend:
    Verdünnen eines alkalischen Reinigungskonzentrats in Form einer Flüssigkeit mit einer ausreichenden Menge von Wasser, um eine Anwendungszusammensetzung, die eine Chelatbildnerkonzentration von mindestens 100 ppm aufweist, bereitzustellen, wobei das alkalische Reinigungskonzentrat enthält:
    (a) 15 Gew.-% bis 65 Gew.-% Wasser;
    (b) 5 Gew.-% bis 25 Gew.-% oberflächenaktive Substanz, wobei die oberflächenaktive Substanz eine Mischung anionischer oberflächenaktiver Substanz, ausgewählt aus der Gruppe bestehend aus Carboxylaten, Sulfonaten und Sulfaten, und nichtionischer oberflächenaktiver Substanz, ausgewählt aus der Gruppe bestehend aus benzyl-, methyl-, ethyl-, propyl-, butyl- und alkylverkappten Polyethylenglykolethern von Fettalkoholen, Polyalkylenoxid, Alkylpolyglykosiden, Sorbit- und Sucroseestern und ihren Ethoxylaten, alkoxyliertem Ethylendiamin, Alkoholalkoxylaten, Nonylphenolethoxylat, Polyoxyethylenglykolethern, Carbonsäureestern, Carbonsäureamiden und Polyalkylenoxid-Blockcopolymeren einschließlich eines Ethylenoxid/Propylenoxid-Blockcopolymers, oberflächenaktiven Siliconen, enthält;
    (c) 4 Gew.-% bis 20 Gew.-% Chelatbildner;
    (d) 2 Gew.-% bis 10 Gew.-% Puffer und
    (e) eine Alkalitätsquelle, die ausreichend ist, um eine freie Alkalität (ausgedrückt als Na2O) von 1,5 % bis 3,5 % und eine Gesamtalkalität (ausgedrückt als Na2O) von 2 % bis 6 % bereitzustellen;
    wobei die Zusammensetzung eine Aluminiumkorrosionsrate von weniger als 6,35 mm/Jahr (250 mil/Jahr) gemäß einer modifizierten Version von ASTM G31-72 zeigt und gemäß OSHA Hazard Communication Standard Rule (29 C.F.R. 1910.1200 App. A und B) als nicht korrosivbetrachtet wird;
    und Aufbringen der Anwendungszusammensetzung auf einen Boden zur Entfernung von frischem, fettigem Schmutz und polymerisiertem Schmutz.
EP06787100A 2006-07-14 2006-07-14 Alkalisches bodenreinigungsmittel und bodenreinigungsverfahren Active EP2041255B1 (de)

Priority Applications (2)

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PL06787100T PL2041255T3 (pl) 2006-07-14 2006-07-14 Alkaliczna kompozycja do czyszczenia podłogi i sposób czyszczenia podłogi
EP09155036A EP2075323A1 (de) 2006-07-14 2006-07-14 Alkalisches Bodenreinigungsmittel und Verfahren zur Bodenreinigung

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PCT/US2006/027149 WO2008008063A1 (en) 2006-07-14 2006-07-14 Alkaline floor cleaning composition and method of cleaning a floor

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DE602006017002D1 (de) 2010-10-28
MX2008016156A (es) 2009-01-20
PL2041255T3 (pl) 2011-02-28
JP5567336B2 (ja) 2014-08-06
EP2075323A1 (de) 2009-07-01
WO2008008063A1 (en) 2008-01-17
AU2006346055B2 (en) 2012-05-24
CN101479373B (zh) 2011-06-08
JP2009543896A (ja) 2009-12-10
BRPI0621856B1 (pt) 2017-03-14
EP2041255A1 (de) 2009-04-01
ATE481470T1 (de) 2010-10-15
BRPI0621856A2 (pt) 2011-12-20
CN101479373A (zh) 2009-07-08
CA2654596A1 (en) 2008-01-17

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