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MX2008016156A - Alkaline floor cleaning composition and method of cleaning a floor. - Google Patents

Alkaline floor cleaning composition and method of cleaning a floor.

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Publication number
MX2008016156A
MX2008016156A MX2008016156A MX2008016156A MX2008016156A MX 2008016156 A MX2008016156 A MX 2008016156A MX 2008016156 A MX2008016156 A MX 2008016156A MX 2008016156 A MX2008016156 A MX 2008016156A MX 2008016156 A MX2008016156 A MX 2008016156A
Authority
MX
Mexico
Prior art keywords
weight
concentrate
cleaning composition
composition
surfactant
Prior art date
Application number
MX2008016156A
Other languages
Spanish (es)
Inventor
Karen O Rigley
Joseph Thekkekandam
Original Assignee
Ecolab Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ecolab Inc filed Critical Ecolab Inc
Publication of MX2008016156A publication Critical patent/MX2008016156A/en

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    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/02Inorganic compounds ; Elemental compounds
    • C11D3/04Water-soluble compounds
    • C11D3/046Salts
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0047Detergents in the form of bars or tablets
    • C11D17/0052Cast detergent compositions
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/0005Other compounding ingredients characterised by their effect
    • C11D3/0047Other compounding ingredients characterised by their effect pH regulated compositions
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/0005Other compounding ingredients characterised by their effect
    • C11D3/0073Anticorrosion compositions
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/02Inorganic compounds ; Elemental compounds
    • C11D3/04Water-soluble compounds
    • C11D3/044Hydroxides or bases
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/02Inorganic compounds ; Elemental compounds
    • C11D3/04Water-soluble compounds
    • C11D3/06Phosphates, including polyphosphates
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/02Inorganic compounds ; Elemental compounds
    • C11D3/04Water-soluble compounds
    • C11D3/10Carbonates ; Bicarbonates
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16Organic compounds
    • C11D3/20Organic compounds containing oxygen
    • C11D3/2075Carboxylic acids-salts thereof
    • C11D3/2086Hydroxy carboxylic acids-salts thereof
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16Organic compounds
    • C11D3/26Organic compounds containing nitrogen
    • C11D3/30Amines; Substituted amines ; Quaternized amines
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16Organic compounds
    • C11D3/26Organic compounds containing nitrogen
    • C11D3/32Amides; Substituted amides
    • C11D3/323Amides; Substituted amides urea or derivatives thereof
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16Organic compounds
    • C11D3/26Organic compounds containing nitrogen
    • C11D3/33Amino carboxylic acids
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16Organic compounds
    • C11D3/36Organic compounds containing phosphorus
    • C11D3/361Phosphonates, phosphinates or phosphonites
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16Organic compounds
    • C11D3/37Polymers
    • C11D3/3703Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3707Polyethers, e.g. polyalkyleneoxides
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16Organic compounds
    • C11D3/37Polymers
    • C11D3/3746Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3757(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16Organic compounds
    • C11D3/37Polymers
    • C11D3/3746Macromolecular 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

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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)

Abstract

An alkaline floor cleaning composition concentrate in the form of a liquid and an alkaline cleaning composition concentrate in the form of a solid are provided. The alkaline cleaning composition concentrate can be used to remove fresh, greasy soil and polymerized soil from a floor surface.

Description

ALKALINE COMPOSITION FOR CLEANING FLOORS AND METHOD OF CLEANING A FLOOR Field of the Invention The invention relates to an alkaline floor cleaning composition and to a floor cleaning method using an alkaline floor cleaning composition. The alkaline floor cleaning composition is available for the removal of fresh greasy stains and polymerized stains commonly found in the food service industry. BACKGROUND OF THE INVENTION Two types of greasy stains are frequently found on floors in the food service industry. One type of stain can be referred to as fresh greasy stain, and the other type of stain can be referred to as a polymerized stain. Fresh greasy spots may result from the presence of fatty spots, which may comprise, for example, a neutral fatty acid triglyceride ester and similar neutral fats, and free fatty acids or salts thereof. The salts of fatty acids can be formed from a cation such as sodium, calcium, magnesium, ferric, ferrous, etc. The polymerized stain refers to fats and fatty derivatives that have been polymerized probably through crosslinking in a manner No. Ref. : 198552 similar to dried oils such as flaxseed oil. Polymerized fats present a different challenge compared to fresh greasy stains. Fresh greasy stains can be deposited on the floor and these deposits of greasy stains can polymerize and adhere to the surface of the floor through crosslinking. A type of floor surface frequently encountered in the food service industry can be referred to as a tile. In general, the tile is often arranged in a pattern as a grid to form a floor surface and contains a cement-like material called grout supplied in the joints between the tile.
Traditionally, an alkaline or neutral cleaner is used to remove fresh greasy stains from the floor and an acidic cleaner is used to remove polymerized stains from the floor surface. A product for cleaning fresh greasy stains is available under the name of KADET®-AF All Surface Floor Cleaner from Kay Chemical Company. A product available to clean fresh greasy stains and polymerized stains is available under the name of KADET® Quarry Tile Floor Cleaner from Kay Chemical Company. SUMMARY OF THE INVENTION A concentrate of alkaline cleaning composition in the form of a liquid is provided in accordance with the present invention. The concentrate of alkaline composition of cleaning comprises about 15% by weight up to about 65% by weight, about 5% by weight up to about 25% by weight of surfactant, about 4% by weight up to about 20% by weight of chelator, about 2% by weight up to 10% by weight of buffer solution, and a source of sufficient alkalinity to provide a free alkalinity (expressed as a 2 0) of from about 1.5% to about 3.5% and a total alkalinity (expressed as Na 2 O) of from about 2.0% to about 6.0%. The composition exhibits an aluminum corrosion rating of less than 250 mils / year in accordance with a modified version of ASTM G31-72, and is considered to be anti-corrosive in accordance with the OSHA Hazard Communication Standard Rule (29 CFR 1910.1200 App. A and B). A concentrate of alkaline cleaning composition in the form of a solid is provided in accordance with the present invention. The concentrate of alkaline cleaning composition comprises about 20% by weight to about 65% by weight of surfactant, about 10% by weight to about 30% by weight of chelant, 8% by weight to about 20% by weight of curing agent. , and a sufficient alkalinity source to provide a free alkalinity (expressed as Na20) of about 1.5% up to about 5.0% and a total alkalinity (expressed as Na20) from about 2.0% to about 10.0%. The composition may be provided in a manner that is considered anticorrosive in accordance with the OSHA Hazard Communication Standard Rule (29 C.F.R. 1910.1200 App. A and B). A cleaning method according to the present invention is provided. The method can be practiced using the concentrate of the alkaline floor cleaning composition in the form of a liquid or the concentrate of the alkaline floor cleaning composition in the form of a solid. In general, the liquid concentrate or the solid concentrate is diluted with dilution water to provide a use composition having a chelator level of at least about 100 ppm. The use composition can then be applied to a floor surface to provide for the cleaning of fresh greasy stains and polymerized stains from the floor surface. Detailed Description of the Invention The present invention is directed to an alkaline floor cleaning composition that can be used to remove fresh greasy stains and polymerized stains 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 supplied as a concentrate or as a composition of use. A composition of use refers to a composition that is intended to be applied to a floor surface to provide cleaning properties. A composition of use can be prepared as a result of diluting a concentrate with dilution water. 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. dilution.
Fresh greasy stain refers to a type of stain deposit frequently found on floors in the food service industry. In general, fresh greasy spots may result from the presence of fatty spots, which may comprise, for example, a triglyceride ester of fatty acid 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. Polimerized stain refers to another type of stain frequently found on floors in the food service industry. Polymerized stains generally refer to fats and fatty derivatives that have been polymerized through crosslinking in a manner similar to that of drying oils such as linseed oil. The polymerized film adheres to the loaded surfaces negatively such as tile through binding with water hardness ions such as calcium and magnesium as taught by Cockrell, Jr. et al. in the United States Patents. No. 4,977,459 and 4,749,508. The alkaline floor cleaning composition can be applied to various floor surfaces including tile, vinyl composition tile, concrete, poured floors, etc. In general, tile refers to ceramic tile and natural stone. Tile is frequently found in food preparation environments such as restaurant kitchens, hospitals, food processing establishments, food preparation establishments, slaughterhouses, packing plants, vegetable shortening plants, etc. The concentrate of the alkaline floor cleaning composition can be provided as a solid or as a liquid. When the concentrate is provided as a solid or as a liquid, the composition can be packaged and transported without labeling the package as corrosive. The liquid concentrate can be provided as an anti-corrosive to aluminum so that the concentrate can avoid being labeled as corrosive under the United States Department of Transportation Regulations. A liquid composition that can be considered relatively anticorrosive to aluminum exhibits an aluminum corrosion rate of less of approximately 250 mils / year in accordance with a modified version of ASTM G31-72. Therefore, the liquid concentrate can be provided so as to exhibit an aluminum corrosion rate of less than about 250 mils / years in accordance with a modified version of ASTM G31-72. A modified version of ASTM G31-72 is explained in the examples section. In addition, the composition may be considered anticorrosive when evaluated in accordance with the OSHA Hazard Communication Standard Rule (29 C.F.R. 1910.1200 App. A and B). In addition, the cleaning composition, when provided as a liquid, can be considered relatively stable and resistant to phase separation and precipitation at temperatures of 120 ° F and 40 ° F for at least 6 weeks. Alkalinity Source The cleaning composition can include a source of alkalinity to improve detergent properties. In general, a source of alkalinity refers to a component that causes the use composition to have a pH of at least about 9.5. In general, it is desirable to provide the use composition as a mildly alkaline cleaning composition because it is considered to be safer than the use compositions based on caustic alkalis. A mildly alkaline cleaning composition refers to a composition having a pH below about 11.5.
The source of alkalinity may be derived from an organic or inorganic alkali such as an alkanolamine, an alkali metal carbonate, an alkali metal hydroxide, phosphate, borate, silicate, or a mixture thereof. Exemplary alkanolamines that can be used include, for example, 2-amino-2-methyl-propanol, monoethanolamine, triethanolamine, diisopropanolamine, or mixtures thereof. Exemplary metal carbonates which may 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 may be used include, for example, sodium hydroxide or potassium hydroxide. An alkali metal hydroxide may be added to the composition in the form of solid beads, dissolved in an aqueous solution, or a combination thereof. The alkali metal hydroxides are commercially available as a solid in the form of pearlized solids or pearls, or as an aqueous solution, for example, as 50% by weight and 73% by weight of solution. Exemplary phosphates that may be used include, for example, sodium or potassium phosphates or polyphosphates. Buffering agent The alkaline floor cleaning composition may include a damping agent to control the level of alkalinity. The 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, and combinations of carbonates and phosphates The organic amine or alkali metal salts can also be used. Examples include sodium, potassium or triethanolamine salts of acetic, citric, lactic or tartaric acids. The alkaline floor cleaning composition may include a buffering agent in an amount sufficient to control the level of alkalinity in the concentrate. In general, the concentrate of the alkaline floor cleaning composition can include from about 0 to about 10% by weight of buffer solution. The buffer solution can be considered an optional component and does not need to be included in the solid concentrate. When the solid concentrate includes a buffer solution, it can be included in an amount of at least about 0.1% by weight. The solid concentrate may include about 0.1 wt% to about 10 wt% buffer, and may include about 4 wt% to about 6 wt%.
The liquid concentrate may include about 2% by weight to about 10% by weight, and may include about 3% by weight to about 5% by weight of buffer solution. The source of alkalinity and the buffering agent can be controlled so that the free alkalinity (expressed as Na20) is about 1.5% to about 3.5% or about 2.0% to about 3.4%, and the total alkalinity (expressed as Na20) is about 2.0 to about 6.0% or about 2.4% to about 4.0% when the concentrate of the alkaline cleaning composition is provided as a liquid. When the concentrate of the alkaline cleaning composition is provided as a solid, the source of alkalinity and the buffer solution are provided in sufficient quantities so that the free alkalinity (expressed as Na20) is about 1.5% to about 5.0% about 2.4% to about 4.0% and the total alkalinity (expressed as Na20) is about 2.0% to about 10.0% or about 6.0% to about 10.0%. In addition, the concentrate of alkaline cleaning composition, if a liquid or a solid, can be considered anticorrosive in accordance with OSHA's Standard Hazard Communication Rule (29 C.F.R. 1910.1200 App. A and B).
Surfactants The cleaning composition may include a surfactant selected from an anionic surfactant, non-ionic surfactant, amphoteric surfactant or a combination thereof. 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 include, for example, carboxylates such as alkylcarboxylates (carboxylic acid salts) and polyalkoxycarboxylates, alcohol ethoxylate carboxylates, nonylphenol ethoxylate carboxylates, and the like; sulfonates such as alkylsulfonates, alkylbenzenesulfonates, alkylarylsulfonates, sulfonated fatty acid esters, and the like; sulfates such as sulfated alcohols, sulfated alcohol ethoxylates, sulfated alkylphenols, alkyl sulfates, sulfosuccinates, alkylether sulfates, and the like; and phosphate esters such as alkyl phosphate esters, and the like. Exemplary anionic surfactants include sodium alkylarylsulfonate, alpha-olefinsulfonate, and fatty alcohol sulfates. Nonionic surfactants useful in the cleaning composition include, for example, those that have a polyalkylene oxide polymer as a portion of the surfactant molecule. Such nonionic surfactants include, for example, polyethylene glycol ethers terminated with alkyl and others such as -benzyl, -methyl, -ethyl, -propyl, -butyl of fatty alcohols; nonionic polyalkylene oxide-free such as alkyl polyglycosides; esters of sorbitan and sucrose and their ethoxylates; ethylene diamine alkoxylated; alcohol alkoxylates such as alcohol ethoxylates (Surfonic L12-6 available commercially from Huntsman), alcohol ethoxylate propoxylates, alcohol propoxylates, alcohol propoxylates ethoxylate propoxylate, butoxylates alcohol ethoxylate, and the like; nonylphenol ethoxylate, polyoxyethylene glycol ethers and the like; carboxylic acid esters such as glycerol esters, polyoxyethylene esters, ethoxylated and glycol fatty acid esters, and the like; carboxylic amides such as diethylamine condensates, monoalkanolamine condensates, polyoxyethylene fatty acid amides, and the like; and block copolymers including a block copolymer of ethylene oxide / propylene oxide such as those commercially available under the tradename PLURONIC® (BASF), and the like; and others such as non-ionic compounds. Silicone surfactants such as ABIL® B8852 can also be used.
The amphoteric surfactants that can be used in the cleaning composition include betaines, imidazolines, sultaines and propionates. The cleaning composition, when provided as a concentrate, may include the surfactant in an amount from about 5 wt% to about 65 wt%. When the concentrate is provided as a liquid concentrate, the concentrate can contain about 5% by weight to about 25% by weight of surfactant, and can include about 8% by weight to about 15% by weight of surfactant. When the concentrate of the cleaning composition is provided as a solid concentrate, the concentrate can contain about 20% by weight to about 65% by weight of surfactant, and can include about 40% by weight to about 60% by weight of surfactant. Chelating Agent The cleaning composition can include chelating / sequestering or enhancing agents. The cleaning composition may 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-ethylene diaminetriacetic acid (HEDTA), acid diethylenetriaminepentaacetic acid (DTPA) and N-hydroxyethyliminodiacetic acid. Other chelating agents that may find use in this invention include fused phosphates, phosphonates, polyacrylates, gluconates, citrates, and the like. In general, a chelating agent is a molecule capable of coordinating (in this case, binding) the metal ions commonly found in natural water to prevent metal ions from interfering with the action of the other detergent ingredients of a cleaning composition. In general chelating / sequestering agents can generally be referred to as a type of enhancer. The chelating / sequestering agent can also function as a threshold agent when it is included in an effective amount. Examples of condensed phosphates include sodium and potassium pyrophosphate, sodium tripolyphosphate, sodium hexametaphosphate, and the like. A condensed phosphate can also help, to a limited extent, in the solidification of the composition by fixing the free water present in the composition as water of hydration. The composition may include a phosphonate such as 1-hydroxyethane-1, 1-diphosphonic acid CH 3 C (OH) [PO (OH) 2] 2 (HEDP); amino tri (methylenephosphonic acid) N [CH2PO (OH) 2] 3; amino acid tri (methylene phosphonate) N [CH2PO (OH) 2] 3); aminotri (methylene phosphonate), sodium salt; ONA i POCH2N [CH2PO (ONa) 2] 2 1 OH 2-hydroxyethyliminobis (methylenephosphonic acid) HOCH2CH2N [CH2PO (OH) 2] 2; diethylenetriaminepenta (methylenephosphonic acid) (HO) 2POCH2N [CH2CH2N [CH2PO (OH) 2] 2] 2; diethylenetriaminepenta (methylenephosphonate), sodium salt CgH (28-x) N3 axOi5P5 (x = 7); hexamethylenediamine (tetramethylene-phosphonate), potassium salt CioH (28-x) N2KxOi2P (x = 6); bis (hexamethylene) triamine (pentamethylene phosphonic acid) (H02) P0CH2N [(CH2) 6 [CH2PO (OH) 2] 2] 2; and phosphoric acid H3PO3. Exemplary phosphonates are HEDP, ATMP and DTP P. A neutralized or alkaline phosphonate, or a combination of the phosphonate with an organic or inorganic alkaline source is preferred before being added to the mixture so that there is little or no heat or gas generated by a neutralization reaction when the phosphonate is added when the solidification of the composition is desired. The phosphonate may comprise a potassium or sodium salt of an organophosphonic acid (a potassium phosphonate). The potassium salt of the phosphonic acid material can be formed by neutralizing the phosphonic acid with a aqueous potassium hydroxide solution during the manufacture of solid detergent. The phosphonic acid sequestering agent can be combined with a potassium hydroxide solution in the 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% by weight 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. For an additional discussion of chelating / substituting agents, see Kirk-Othmer, Encyclopedia of Chemical Technology, third edition, volume 5, pages 339-366 and volume 23, pages 319-320, the description of which is incorporated by reference herein. The concentrate of the cleaning composition can include the chelator in sufficient quantity to provide desired chelating properties. The concentrate of the cleaning composition may include the chelant in an amount from about 4 wt% to about 30 wt%. When the concentrate of the cleaning composition is provided as a liquid concentrate, the concentrate may contain about 4% by weight to about 20% by weight of chelator, or about 6% by weight to about 10% by weight of chelant. When the concentrate of the cleaning composition is provided as a solid concentrate, the concentrate may contain about 10% by weight to about 30% by weight of chelant or about 15% by weight to about 25% by weight of chelant. Processing Aid The concentrate of the cleaning composition may additionally include one or more optional processing aids. Such optional processing aids may provide one or more processing advantages during processing of the solid cleaning product components described above and / or one or more desirable properties for 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. In one embodiment, the processing aid includes anhydrous sodium sulfate and urea. A number of commercially available processing aids can be used in the present invention. Suitable commercially available processing 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 concentrate of the cleaning composition can include up to about 15 weight percent (% by weight) 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 does not need to be included in the concentrate of the cleaning composition. When the processing aid is included in the concentrate of the cleaning composition, it can be included in an amount of at least about 0.1% by weight. The liquid concentrate may include about 0.1 wt% to about 15 wt% processing aid, and may include about 6 wt% to about 12 wt% of the processing aid. The processing aid can be excluded from the solid concentrate, if desired. Hardening Agent The concentrate of the alkaline floor cleaning composition can be provided as a solid. When the concentrate is provided as a solid, the composition can solidify as a result of the presence of a curing agent. Exemplary hardening agents that can be included in the composition for solidifying the composition include urea, polyethylene glycol, hydratable inorganic salts of sulfate, acetate, carbonate, bicarbonate, and phosphate, or mixture thereof.
A hardening agent can be a compound or system of compounds, organic or inorganic, which contribute significantly to the uniform solidification of the composition. Preferably, the curing agent is compatible with the cleaning agent and other active ingredients of the composition, and is capable of providing an effective amount of hardness and / or aqueous solubility to the composition. The hardening agent may be capable of forming a homogeneous matrix with the cleaning agent and other ingredients when mixed and solidified to provide a uniform solution of the cleaning agent of the solid composition during use. The amount of curing agent included in the concentrate of the cleaning composition may vary in accordance with the components of the cleaning composition, the intended use of the composition, the amount of water in the concentrate of the cleaning composition, the temperature of the dilution water used to form the composition of use, the hardness of the water, the physical size of the solid concentrate, the concentration of the other ingredients, the concentration of the cleaning agent in the composition, and other similar factors. It is preferred that the amount of the curing agent be effective to form a homogeneous mixture under conditions of continuous mixing and a temperature at or below the melting temperature of the hardening agent. It is also preferred that the curing agent will form a matrix with the cleaning agent and other ingredients which will harden to a solid form at ambient temperatures of about 30-50 ° C after mixing and the mixture is dispensed from the system. mixed, in about 1 minute to about 3 hours, preferably about 2 minutes to about 2 hours, preferably about 5 minutes to about 1 hour, so that the product is molded or extruded into a desired shape and size. A minimum amount of heat from an external source can be applied to the mixture to facilitate the processing of the mixture. It is preferred that the amount of curing agent included in the composition be effective to provide a hardness and a desired rate of controlled solubility of the processed composition when placed in an aqueous medium to achieve a desired rate of cleaning agent delivery of the composition. solidified composition during use. The hardening agent may be, for example, an amide such as stearic monoethanolamide, lauric diethanolamide, and stearic diethanolamide, commercially available from Stepan Chemical under the trademark NINOL ™ and Scher.
Chemical Company under the trademark SCHERCO-MID ™. The alkyl amides provide particularly varying degrees of hardness and solubility when combined with cationizing surfactants. Generally, the straight chain aliphatic alkyl amides of Ci6 to Ci8 provide a higher degree of insolubility with the highest degree of hardness. For an additional discussion of the alkyl amide hardening agents, see U.S. Patent No. 5,019,346 by Richter, the description of which is incorporated herein by reference. Another curing agent is a polyethylene glycol (PEG) or propylene glycol compound for use in a cleaning composition comprising a cleaning agent of the nonionic surfactant, such as a nonyl phenol ethoxylate, a linear alkyl alcohol ethoxylate, a block copolymer of ethylene oxide / propylene oxide such as commercially available surfactants under the PLURONIC ™ registered trademark of BASF-Wyandotte. The solidification index of the cleaning compositions comprising a polyethylene glycol curing agent made in accordance with the invention will vary, at least in part, in accordance with the amount and molecular weight of the polyethylene glycol added to the composition. The polyethylene glycol compounds useful in accordance with the invention include, for example, polyethylene glycols solids of the general formula H (OCH2-CH2) n0H, wherein n is greater than 15, more preferably approximately 30-1700. The solid polyethylene glycols that are useful are marketed under the trademark Carbowax ™, and are available commercially from Union Carbide. Preferably, the polyethylene glycol is a solid in the form of a free-flowing powder or flake, having a molecular weight of about 1000-10,000, preferably about 3000-8000. Suitable polyethylene glycol compounds useful in accordance with the invention include, for example, PEG 900, PEG 1000, PEG 1500, PEG 4000, PEG 6000, PEG 8000 among others, with PEG 8000 being preferred. The hardening agent can also be a hydratable substance such as anhydrous sodium carbonate, anhydrous sodium sulfate, anhydrous polyphosphonates, etc., or a mixture thereof. Preferably, the hydratable hardening agent is used in an alkaline cleaning composition which includes ingredients such as condensed phosphate hardness sequestering agent and an alkaline enhancing salt wherein the amount of caustic enhancers is about 5-15% by weight, as described, for example in U.S. Patent Nos. 4,595,520 and 4,680,134 by Heile et al., the descriptions of who is incorporated herein by reference. A hydratable hardening agent, according to the invention, is capable of hydrating to bind the free water present in a liquid detergent emulsion to the extent that the liquid emulsion hardens or solidifies into a homogeneous solid. The amount of a hydratable substance included in a detergent composition processed according to the invention will vary in accordance with the percentage of the water present in the liquid emulsion as well as the hydration capacity of the other ingredients. Other curing agents that can be used in a cleaning composition processed in accordance with the invention include, for example, urea, also known as carbamide, starches that have been made soluble in water through an acid or alkaline treatment process, and several inorganics that impart solidification properties to a liquid matrix heated in refrigeration. The concentrate of the alkaline cleaning composition includes 0 to about 20% by weight of the curing agent. It should be appreciated that the hardening agent is an optional component and does not need to be included in the liquid concentrate. In general, for the solid concentrate, it is expected that the solid concentrate will include about 8% by weight to about 20% by weight of the curing agent, and can include about 9% by weight to about 16% by weight of the curing agent.
Hydrotropes / Stabilizers Hydrotropes / stabilizers can be supplied in the liquid concentrate to help stabilize the composition. Exemplary hydrotropes that may be used include sodium xylene sulfonate, sodium toluene sulfonate, sodium naphthalene sulfonate, sodium eumeno sulfonate, aliphatic oxide disulfonates, glycerin, organic diacids, propylene glycol, hexylene glycol, isopropanol, ethanol, glycol ethers and mixtures thereof. Hydrotropes are optional and can be excluded from the concentrate. When the concentrate includes a hydrotrope, the hydrotrope can be supplied in an amount of about 0.1% by weight to about 10% by weight. In the case of the liquid concentrate, the hydrotrope can be supplied in an amount of about 3% by weight to about 6% by weight. The chelator can be excluded from the solid concentrate. Water The concentrate of the cleaning composition may include water. In general, water may be present to assist in the flow of the concentrate, and water may be present as water of hydration. It is expected that water may be present in both the liquid concentrate and in the solid concentrates. In general, the concentrate can contain 0 to about 85% by weight of water. When the water it is present in the concentrate, it can be present in an amount of at least about 0.1% by weight. In the case of a liquid concentrate, the concentrate can include about 15% by weight to about 85% by weight of water, and can include about 45% by weight to 75% by weight of water. In the case of a solid concentrate, the concentrate may contain 0% by weight of water or, if the water is present, approximately 0.1% by weight to about 5% by weight of water, by approximately 0.4% by weight to approximately 0.8% in weight of water. The concentrate can be diluted with water (dilution water) to provide a use composition for removing fresh greasy stains and polymerized stains from a floor surface. The amount of dilution water can be selected to provide a use composition having a chelating concentration of at least about 100 ppm, at least about 200 ppm, or at least about 250 ppm to provide desired stain removal properties . Additives 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, dyes (in this case, dyes, pigments, etc.), perfumes, preservatives, antioxidants, UV stabilizers, and combinations thereof. In a desired embodiment the embodiment of the present invention, the cleaning composition includes at least one colorant to provide a desirable color, and at least one perfume or fragrance to provide a desirable odor. Various colorants, odorants including perfumes, and other aesthetic enhancement agents can be included in the cleaning composition. The dyes can be included to alter the appearance of the composition, such as, for example, direct blue 86 (Miles), blue Fastusol (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), yellow methanil (Keystone Analine and chemical), acid blue 9 (Hilton Davis), Sandolan Blue / Acid Blue 182 (Sandoz), Red Hisol Fast (Capítol Color and chemical), Fluorescein (Capitol Color and chemical), Acid Green 25 (Ciba-Geigy), and the like. In one embodiment, additives such as colorants, perfumes, antioxidants, UV stabilizers, and preservatives are each individually present in an amount of less than about 0.5% by weight based on a total weight of the solid cleaning product. In one embodiment, the amount of colorant in the solid cleaning product, when present, is in the range from about 0.0005 to about 0.015% by weight based on a total weight of the solid cleaning product. When a perfume or fragrance is present, the amount of perfume or fragrance can be from about 0.01 to about 0.25% by weight based on a total weight of the solid cleaning product. In one embodiment, when presented, one or more preservatives are present in the solid cleaning product in an amount in the range of from about 0.001 to about 0.01% by weight 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 CIS-jasmine or jasmal, vanillin, and the like.
The amounts of the concentrate components can be selected depending on whether the concentrate is supplied as a liquid concentrate or as a solid concentrate. Exemplary ranges for the components for the concentrate are identified in Table 1. Table 1 further includes ranges of components when the concentrate is supplied as a liquid and ranges of the components when the concentrate is supplied as a solid.
Table 1: Component ranges for liquid and solid concentrate Component ConcentraConcentraConcentraConcentraConcentrado (% in liquid do liquid of liquid liquid weight) (% in (% in (% in (% in weight) weight) weight) weight) Water 0-85 15-85 45-75 0-5 0.4-0.8 Surfactant 5-65 5-25 8-15 20-65 40-60 Chelator 4-30 4-20 6-10 10-30 15-25 Solution 0-10 2-10 3-5 0-10 4-6 Buffer Auxiliary 0-15 0-15 6-12 0-15 0 processing Agent 0-20 0 0 8-20 9-16 hardening Alkalinity 1.5- 5.0% 1.5-3.5% 2.0-3.4% 1.5-5.0% 2.4-4.0 free (expressed as Na20) Alcanility 2.0-10.0% 2.0-6.0% 2.4-4.0% 2.0-10.0% 6.0-10.0 total (expressed as Na20) Titration method: Alkalinity expressed as Na20 Titrate a sample of 2.0 g diluted with 100 ml of water to the endpoints of f tallowin tallowin and methyl orange with 0.5N sulfuric acid. The end point of f enolftalein refers to free alkalinity, and the end point of methyl orange refers to the total alkalinity. % Na20 = (mm) mls titrant x 0.155 x 100 sample weight The concentrate of the alkaline cleaning composition can be diluted with dilution water to provide a usage composition that exhibits the desired removal of fresh stains, greasy and polyester stains from a floor surface. In general, the concentrate of the alkaline cleaning composition can be diluted with a sufficient amount of water to provide a use composition containing a chelator level of at least about 100 ppm, preferably greater than 200 ppm, and more preferably higher that approximately 250 ppm. It is expected that a use composition prepared from the concentrate of the alkaline cleaning composition may contain a chelator level of at least about 100 ppm, preferably at least about 200 ppm, and more preferably greater than about 250 ppm can provide desired stain removal properties. Example Several exemplary concentrates were prepared by mixing the components identified in Table 2. In Table 2, the amounts of components are given in percent by weight. The corrosion of aluminum in mils / year described in table 2 was determined based on a modification of AST G31-72. The procedure for determining the corrosion rate of aluminum in accordance with modified ASTM G31-72 is described following Table 2.
Table 2 1 2 3 4 5 6 7 8 9 10 1 1 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 Boric acid 0.0 0.0 0.0 0.0 4.0 4.0 3.0 3.0 2.0 2.0 2.0 0.0 0.0 0.0 0.0 0.0 Sodium Borate 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.0 2.0 0.0 0.0 0.0 Sodium Bicarbonate 5.0 4.0 3.0 3.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 5 50% sodium hydroxide 3.4 4.6 3.4 2.5 5.0 3.4 3.4 3.4 2.8 2.8 3.4 1.6 1.6 3.4 1.6 3.4 2-amino-2-methyl-1-propanol1 3.0 0.0 3.0 3.0 0.0 3.0 3.0 3.0 1.0 3.0 3.0 2.0 3.0 3.0 3.0 3.0 Methyl glycine diacetic acid Trisodium salt in water at 40% 2 20.0 20.0 20.0 20.0 20.0 20.0 20.0 20.0 20.0 20.0 20.0 20.0 20.0 20.0 20.0 20.0 Sulfonic acid dodecylbenzene 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 alcohol ethoxylate CIO - C123 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 Lauroamfoacetato de sodio al 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 10 30% 4 Propylene glycol 7.5 7.5 7.5 7.5 7.5 7.5 7.5 3.0 3.0 3.0 7.5 3.0 3.0 7.5 3.0 7.5 Sodium xylene sulfonate at 14.0 14.0 14.0 14.0 14.0 14.0 14.0 10.0 10.0 10.0 14.0 10.0 10.0 14.0 10.0 14.0 40% Total 100.0 100.0 100.0 100.0 100.0 100.00 100.0 100.00 100.0 100.00 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 pH 10.5 10.6 11.0 10.6 10.3 10.1 10.4 10.5 10.3 10.6 11.0 10.9 1 1.1 13.0 12.2 13.2 15 Free alkalinity (as Na20) 3.0 2.5 3.0 2.7 2.6 2.7 2.7 2.7 1.8 2.5 2.8 2.1 2.4 2.8 2.1 2.9 Total Alkalinity (as Na20) 5.2 4.4 4.5 4.2 3.4 3.4 3.2 3.4 2.6 3.1 3.3 2.7 3.1 3.4 2.5 3.3 Corrosion of aluminum 16 90 140 62 103 34 130 135 230 400 674 914 995 1304 1507 1939 (mils / year) Available under the name AMP 95 from Angus. Available under the name Trilon M from BASF Available under the name Sulfonic L 12-6 from Huntsman Available under the name Miranol HMA from Rhodia 25 In the interpretation of data presented in Table 2, it should be understood that a high level of alkalinity generally provides higher performance for the removal of stains from a floor surface. Therefore, the provision of a composition having a lower alkalinity level may satisfy the aluminum corrosion resistance test, but it is expected that the performance may be affected. Determination of aluminum corrosion rate The aluminum corrosion index can be determined in accordance with ASTM G31-72 and NACE Standard TMO 169-76. The method for determining the aluminum corrosion index described in Table 2 can be referred to as a modified version of ASTM G31-72, and can be carried out as follows: Equipment: Water bath or furnace capable of maintaining 113 ° F + / - 1.8 ° F (45 ° C +/- 1.0 ° C). Scale capable of weighing up to 0.1 milligram Wide-mouth glass jars, 16 oz. (473. lcm3), with thermometer lids Aluminum panels, alloy 7075-T6, 1"(2.54cm) x 2" (5.08cm) x 1 / 16"(0.158cm) (panel area - 4 in2) (25.8cm2) 70% Nitric Acid 99% Isopropanol Tweezers chemical resistant gloves Procedure: Add 400 ml of the product to be tested to each of two 16-oz. bottles (473. lcm3). Cover and place in the water bath and allow to equilibrate at 113 ° F +/- 1.8 ° F (45 ° C +/- 1.0 ° C) for 30 minutes. While the product is being balanced, prepare the metal panels as follows: For aluminum, Corrode 2 panels by placing 70% nitric acid in a bottle and soak the panel for two minutes, followed by a rinse of hot water and finally a rinse of isopropanol. Air dry the panels and weigh as close to 0.1 milligrams. Immerse the panels in the heated product for six hours. Tilt the panels against the side of the jar. Do not put the panel in the bottom of the bottle. Run only one panel per bottle. At the conclusion of the test, remove the aluminum panels, using clamps and chemical resistant gloves. The aluminum panels should be rinsed in hot water and placed in 70% nitric acid for two minutes. Rinse in hot water and then isopropanol. Dry the panels with air and weigh as close to 0.1 milligrams Determine the loss in weight for each panel in milligrams. Calculation: MPY Corrosion (mis / year) (mm / year) = weight loss (mg) x 534 4in2 (25.8cm2) (panel area) x6hrs (time) x2.7lg / cm3 (metal density) The above specification, examples and data provide a complete description of the manufacture and use of the composition of the invention. Since many embodiments of the invention can be made without departing from the spirit and scope of the invention, the invention resides in the claims appended hereinafter. It is noted that in relation to this date, the best method known to the applicant to carry out the aforementioned invention, is that which is clear from the present description of the invention.

Claims (1)

  1. CLAIMS Having described the invention as above, the content of the following claims is claimed as property: 1. A concentrate of alkaline cleaning composition in the form of a liquid characterized in that it comprises: (a) 15% by weight up to 65% by weight of water (b) 5% by weight up to 25% by weight of surfactant; (c) 4 wt% to 20 wt% chelant; (d) 2% by weight up to 10% by weight of buffer solution; and (e) a sufficient alkalinity source to provide a free range (expressed as Na20) of 1.5% up to 3.5% and a total alkalinity (expressed as Na20) of 2.0% up to 6.0%; wherein the composition exhibits an aluminum corrosion index of less than 6.35 mm / year (250 mils / year) in accordance with a modified version of AST G31-72, and is considered to be corrosion-resistant according to the Standard Hazard Communication Rule of OSHA (29 CFR 1910.1200 App. A and B). 2. A concentrate of alkaline cleaning composition according to claim 1, characterized in that the source of alkalinity comprises at least alkanolamine, alkali metal carbonate, alkali metal hydroxide, phosphate, borate, silicate, or a mixture thereof . 3. A concentrate of alkaline cleaning composition according to claim 1, characterized in that the surfactant comprises an anionic surfactant, a nonionic surfactant, an amphoteric surfactant, or a mixture thereof. 4. A concentrate of alkaline cleaning composition according to claim 1, characterized in that the surfactant comprises a mixture of anionic surfactant and nonionic surfactant. 5. A concentrate of alkaline cleaning composition according to claim 1, characterized in that the chelant comprises aminocarboxylate, phosphate, phosphonate, polyacrylate, gluconate, citrate, or mixtures thereof. 6. A concentrate of alkaline cleaning composition according to claim 1, characterized in that it also comprises 0.1% by weight up to 15% by weight of a processing aid. 7. A concentrate of alkaline cleaning composition according to claim 6, characterized in that the processing aid comprises sodium sulfate, sodium chloride, potassium sulfate, potassium chloride, urea or mixtures thereof. 8. A method of cleaning a floor characterized in that it comprises: diluting an alkaline cleaning concentrate in the form of a liquid with a sufficient amount of water to providing a use composition containing a chelating concentration of at least 100 ppm, the alkaline cleaning concentrate comprises: (a) 15% by weight up to 65% by weight of water; (b) 5% by weight up to 25% by weight of surfactant; (c) 4 wt% to 20 wt% chelant; (d) 2% by weight up to 10% by weight; and (e) a sufficient alkalinity source to provide a free alkalinity (expressed as Na20) of 1.5% up to 3.5% and a total alkalinity (expressed as Na20) of 2.0% up to 6.0%; wherein the composition exhibits an aluminum corrosion index of less than 6.35 mm / year (250 mils / year) in accordance with a modified version of ASTM G31-72, and is considered to be anticorrosive in accordance with the Rule OSHA Hazard Communication Standard (29 C.F.R. 1910. 1200 App. A and B). Apply the composition of use to a floor for the removal of fresh greasy stains and polymerized stains.
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AU2006346055B2 (en) 2012-05-24
CN101479373A (en) 2009-07-08
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JP5567336B2 (en) 2014-08-06
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BRPI0621856A2 (en) 2011-12-20
AU2006346055A1 (en) 2008-01-17

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