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WO2023245313A1 - Composition solide pour le nettoyage, le blanchiment et la désinfection - Google Patents

Composition solide pour le nettoyage, le blanchiment et la désinfection Download PDF

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Publication number
WO2023245313A1
WO2023245313A1 PCT/CN2022/099697 CN2022099697W WO2023245313A1 WO 2023245313 A1 WO2023245313 A1 WO 2023245313A1 CN 2022099697 W CN2022099697 W CN 2022099697W WO 2023245313 A1 WO2023245313 A1 WO 2023245313A1
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WIPO (PCT)
Prior art keywords
composition
alkyl
compositions
alkali metal
surfactants
Prior art date
Application number
PCT/CN2022/099697
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English (en)
Inventor
Huarong Yu
Xiang Xu
Original Assignee
Ecolab Usa 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.)
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Publication date
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Priority to PCT/CN2022/099697 priority Critical patent/WO2023245313A1/fr
Priority to CN202310486379.0A priority patent/CN117264698A/zh
Publication of WO2023245313A1 publication Critical patent/WO2023245313A1/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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/22—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aromatic compounds
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/123—Sulfonic acids or sulfuric acid esters; Salts thereof derived from carboxylic acids, e.g. sulfosuccinates
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/14—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aliphatic hydrocarbons or mono-alcohols
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/14—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aliphatic hydrocarbons or mono-alcohols
    • C11D1/143—Sulfonic acid esters
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/14—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aliphatic hydrocarbons or mono-alcohols
    • C11D1/146—Sulfuric acid esters
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/28—Sulfonation products derived from fatty acids or their derivatives, e.g. esters, amides
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/29—Sulfates of polyoxyalkylene ethers
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C11D1/37—Mixtures of compounds all of which are anionic
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/38—Cationic compounds
    • 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
    • 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
    • C11D3/08—Silicates
    • 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
    • C11D3/2003—Alcohols; Phenols
    • C11D3/2041—Dihydric alcohols
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/22—Carbohydrates or derivatives thereof
    • C11D3/222—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin
    • 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
    • C11D3/28—Heterocyclic compounds containing nitrogen in the ring
    • 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
    • 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
    • C11D3/395—Bleaching agents
    • C11D3/3953—Inorganic bleaching agents
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/48—Medical, disinfecting agents, disinfecting, antibacterial, germicidal or antimicrobial compositions
    • C11D3/485—Halophors, e.g. iodophors

Definitions

  • the present disclosure relates to solid multi-function textile and hard surface cleaning compositions, wherein the compositions remove soil, remove stains, sanitize textiles and hard surfaces, bleach textiles, or a combination thereof.
  • Multi-function textile and hard surface cleaning compositions that provide a bleaching or antimicrobial function often struggle from poor stability and poor retention of the bleach active.
  • most bleach-containing multi-function textile and hard surface cleaning compositions are presented in a liquid format where costly protective additives or protective technologies are used to keep the bleach component from degrading caused by intermolecular interactions with other components such as alkali or surfactant.
  • multi-function textile and hard surface cleanings compositions comprising one or more alkalinity sources; one or more anionic surfactants, wherein the anionic surfactant has at least one functional group according to the following formulas: -OSO 3 H; -OSO 3 - ; -SO 3 H; or -SO 3 - ; and a bleaching agent, wherein the bleaching agent comprises a halogen.
  • the one or more alkalinity sources comprise an alkali metal carbonate, an alkali metal hydroxide, alkali metal silicate, alkali metal metasilicate, or a combination thereof.
  • compositions comprise a first alkalinity source comprising an alkali metal carbonate, and a second alkalinity source comprising an alkali metal metasilicate.
  • the one or more anionic surfactants comprise a benzene sulfonate, alkylsulfonate, alkylamide sulfonate, alkylaryl sulfonate, ⁇ -olefin sulfonate, paraffin sulfonate, alkylsulfosuccinate, alkyl ether sulfosuccinate, alkylamide sulfosuccinate, alkyl sulfoacetate, alkyl sulfosuccinamate, alkyl ether sulfate, alkyl sulfate, alkyl ethoxylsulfate, fatty oleyl glycerol sulfate, alkyl phenol ethylene oxide ether sulfate, or a combination thereof.
  • the bleaching agent is an alkali metal dichloroisocyanurate, chlorinated trisodium phosphate, alkali metal hypochlorite, monochloramine, dichloroamine, hypochlorite, or a combination thereof.
  • the compositions further comprise a filler, one or more antiredeposition agents, a thickener, a solidification agent, or a combination thereof.
  • the filler comprises sodium sulfate, sodium chloride, a starch, a sugar, a C 1 -C 10 alkylene glycol such as propylene glycol, or a combination thereof.
  • the filler is present in an amount of 10 wt. %to 30 wt. %.
  • the one or more antiredeposition agents comprise a cellulose derivative, a polymer derived from acrylic acid, a polymer derived from methacrylic acid, a polymer derived from the copolymerization of acrylic acid with maleic acid, or a combination thereof. In a further embodiment, the one or more antiredeposition agents are present in an amount of 1 wt. %to 20 wt. %.
  • the compositions comprise 10 wt. %to 60 wt. %of the one or more alkalinity sources; 1 wt. %to 30 wt. %of the one or more anionic surfactants; and 10 wt. %to 30 wt. %of a bleaching agent.
  • the compositions comprise from 30 wt. %to 60 wt. %of an alkalinity source comprising an alkali metal carbonate; from 10 wt. %to 30 wt. %of an anionic sulfonate surfactant; from 10 wt. %to 30 wt. %of a bleaching agent comprising chlorine; and wherein the composition further comprises from 1 wt. %to 10 wt. %of a first antiredeposition agent comprising an acrylic acid polymer or derivative thereof; and from 1 wt. %to 10 wt. %of a second antiredeposition agent comprising a cellulose derivative.
  • the compositions comprise from 30 wt. %to 60 wt. %of a first alkalinity source comprising an alkali metal carbonate; from 10 wt. %to 40 wt. %of a second alkalinity source comprising an alkali metal metasilicate; from 1 wt. %to 10 wt. %of an anionic sulfonate surfactant; from 10 wt. %to 30 wt. %of a bleaching agent comprising chlorine; and wherein the composition further comprises from 10 wt. %to 30 wt. %of a filler.
  • compositions are a solid, and in a further embodiment, the compositions are in the form of a powder, a flowable powder, granules, a tablet, a block, a flake, a pellet, a tablet, a lozenge, a puck, a briquette, a brick, a solid block, or a unit dose.
  • Also disclosed herein are methods of cleaning a surface comprising: diluting a solid multi-function cleaning composition comprising one or more alkalinity sources; one or more anionic surfactants, wherein the anionic surfactant has at least one functional group according to the following formulas: -OSO 3 H; -OSO 3 - ; -SO 3 H; or -SO 3 - ; and a bleaching agent, wherein the bleaching agent comprises a halogen to form a use solution; and contacting the surface with the use solution; wherein the contacting removes a soil from the surface, removes a stain from the surface, bleaches the surface, sanitizes the surface, or a combination thereof.
  • the composition used in the methods comprises from 30 wt. %to 60 wt. %of an alkalinity source comprising an alkali metal carbonate; from 10 wt. %to 30 wt. %of an anionic sulfonate surfactant; from 10 wt. %to 30 wt. %of a bleaching agent comprising chlorine; and wherein the composition further comprises from 1 wt. %to 10 wt. %of a first antiredeposition agent comprising an acrylic acid polymer or derivative thereof; and from 1 wt. %to 10 wt. %of a second antiredeposition agent comprising a cellulose derivative.
  • the composition used in the methods comprises from 30 wt. %to 60 wt. %of a first alkalinity source comprising an alkali metal carbonate; from 10 wt. %to 40 wt. %of a second alkalinity source comprising an alkali metal metasilicate; from 1 wt. %to 10 wt. %of an anionic sulfonate surfactant; from 10 wt. %to 30 wt. %of a bleaching agent comprising chlorine; and wherein the composition further comprises from 10 wt. %to 30 wt. %of a filler.
  • the contacting occurs during a wash cycle, wherein the wash cycle comprises a pre-soak phase, a wash phase, a rinsing phase, a finishing phase, an extraction phase, or a combination thereof.
  • the soil is a food soil
  • the stain is a tea stain, or a combination thereof.
  • the soil or stain comprises a fatty soil, an oily soil, a protein soil, or a coffee/tea soil.
  • the surface is a textile.
  • the textile is comprised of cotton, polyester, or a cotton/polyester blend.
  • the surface is a hard surface.
  • the hard surface is a food processing surface.
  • Fig. 1 shows the cleaning performance of the compositions disclosed herein compared to several commercially available compositions at a variety of temperatures.
  • Fig. 2 shows the cleaning performance of the compositions of the present disclosure under several different temperatures.
  • Fig. 3 depicts the stability and retention of chlorine actives in the compositions disclosed herein.
  • the present disclosure relates to methods and compositions effective at removing stubborn soils and stains from textiles and hard surfaces while also bleaching, brightening, and sanitizing said textiles and hard surfaces.
  • the multi-function textile and hard surface cleaning compositions disclosed herein are preferably in the form of a solid that can be contacted with water to form a liquid or use solution. It is a further advantage that the compositions are stable and prevent degradation of bleaching components.
  • a description of a range such as from 1 to 6 should be considered to have specifically disclosed sub-ranges such as from 1 to 3, from 1 to 4, from 1 to 5, from 2 to 4, from 2 to 6, from 3 to 6, etc., as well as individual numbers within that range, for example, 1, 2, 3, 4, 5, and 6, and decimals and fractions, for example, 1.2, 3.8, 11/2, and 43/4 This applies regardless of the breadth of the range.
  • the term “about” also encompasses amounts that differ due to different equilibrium conditions for a composition resulting from a particular initial mixture. The term “about” also encompasses these variations. Whether or not modified by the term “about, ” the claims include equivalents to the quantities.
  • actives or “percent actives” or “percent by weight actives” or “actives concentration” are used interchangeably herein and refer to the concentration of those ingredients involved in cleaning expressed as a percentage minus inert ingredients such as water or salts.
  • laundry refers to items or articles that are cleaned in a washing machine.
  • the textile materials contain cotton fibers.
  • the textile materials can comprise natural or synthetic fibers.
  • the textile materials can comprise additional non-cotton fibers such as silk fibers, linen fibers, polyester fibers, polyamide fibers including nylon, acrylic fibers, acetate fibers, and blends thereof including, but not limited to, cotton and polyester blends.
  • the fibers can be treated or untreated. It should be understood that the term “linen” is often used to describe certain types of laundry items including bed sheets, pillowcases, towels, table linen, tablecloth, bar mops, and uniforms.
  • hard surface refers to substantially non-flexible surface such as a countertop, tile, floor, wall, panel, window, plumbing fixture, kitchen and bathroom furniture, appliance, engine, circuit board, and dish. Hard surfaces may include, for example, health care surfaces and food processing surfaces.
  • food processing surface refers to a surface of a tool, a machine, equipment, a structure, a building, or the like that is employed as part of a food processing, preparation, or storage activity.
  • food processing surfaces include surfaces of food processing or preparation equipment (e.g., slicing, canning, or transport equipment, including flumes) , of food processing wares (e.g., utensils, dishware, wash ware, and bar glasses) , carts, and of floors, walls, or fixtures of structures in which food processing occurs.
  • Food processing surfaces are found and employed in food anti-spoilage air circulation systems, aseptic packaging sanitizing, food refrigeration and cooler cleaners and sanitizers, ware washing sanitizing, blancher cleaning and sanitizing, food packaging materials, cutting board additives, third-sink sanitizing, beverage chillers and warmers, meat chilling or scalding waters, autodish sanitizers, sanitizing gels, cooling towers, food processing antimicrobial garment sprays, and non-to-low-aqueous food preparation lubricants, oils, and rinse additives.
  • a solid cleaning composition refers to a cleaning composition in the form of a solid such as a powder, a particle, an agglomerate, a flake, a granule, a pellet, a tablet, a lozenge, a puck, a briquette, a brick, a solid block, a unit dose, or another solid form known to those of skill in the art.
  • the term “solid” refers to the state of the cleaning composition under the expected conditions of storage and use of the solid cleaning composition. In general, it is expected that the cleaning composition will remain in solid form when exposed to temperatures of up to about 37°C. and greater than about 50°C. A cast, pressed, or extruded “solid” may take any form including a block.
  • the hardened composition will not flow perceptibly and will substantially retain its shape under moderate stress or pressure or mere gravity, such as for example, the shape of a mold when removed from the mold, the shape of an article as formed upon extrusion from an extruder, and the like.
  • the degree of hardness of the solid cast composition can range from that of a fused solid block, which is relatively dense and hard, for example, like concrete, to a consistency characterized as being malleable and sponge-like, similar to caulking material.
  • the solid compositions can be further diluted to prepare a use solution or added directly to a cleaning application, including, for example, a laundry machine.
  • the term “substantially free” refers to compositions completely lacking the component or having such a small amount of the component that the component does not affect the performance of the composition.
  • the component may be present as an impurity or as a contaminant and shall be less than 0.5 wt. %. In another embodiment, the amount of the component is less than 0.1 wt. %and in yet another embodiment, the amount of component is less than 0.01 wt. %.
  • use solution As used herein the terms “use solution, ” “ready to use, ” or variations thereof refer to a composition that is diluted, for example, with water, to form a use composition having the desired components of active ingredients for cleaning. For reasons of economics, a concentrate can be marketed, and an end-user can dilute the concentrate with water or an aqueous diluent to a use solution.
  • oil refers to polar or non-polar organic or inorganic substances including, but not limited to carbohydrates, proteins, fats, oils, and the like which may or may not contain particulate matter such as mineral clays, sand, natural mineral matter, carbon black, graphite, kaolin, environmental dust, colorant, dyes, polymers, and oils. These substances may be present in their organic state or complexed to a metal to form an inorganic complex.
  • the terms “soil” and “stain” include, but are not limited to, oil-based stains, fat-based stains, protein-based stains, and coffee or tea stains.
  • substituted refers to an organic group as defined below (e.g., an alkyl group) in which one or more bonds to a hydrogen atom contained therein are replaced by a bond to non-hydrogen or non-carbon atoms.
  • Substituted groups also include groups in which one or more bonds to carbon (s) or hydrogen (s) atoms replaced by one or more bonds, including double or triple bonds, to a heteroatom.
  • a substituted group is substituted with one or more substituents, unless otherwise specified.
  • a substituted group can be substituted with 1, 2, 3, 4, 5, or 6 substituents.
  • Substituted ring groups include rings and ring systems in which a bond to a hydrogen atom is replaced with a bond to a carbon atom. Therefore, substituted cycloalkyl, aryl, heterocyclic, and heteroaryl groups may also be substituted with substituted or unsubstituted alkyl, alkenyl, and alkynyl groups are defined herein.
  • alkyl or “alkyl groups” refers to saturated hydrocarbons having one or more carbon atoms, including straight-chain alkyl groups (e.g., methyl, ethyl, propyl, butyl, pentyl, hexyl, heptyl, octyl, nonyl, decyl, etc. ) , cyclic alkyl groups (or “cycloalkyl” or “alicyclic” or “carbocyclic” groups) (e.g., cyclopropyl, cyclopentyl, cyclohexyl, cycloheptyl, cyclooctyl, etc.
  • straight-chain alkyl groups e.g., methyl, ethyl, propyl, butyl, pentyl, hexyl, heptyl, octyl, nonyl, decyl, etc.
  • cyclic alkyl groups or “cycl
  • alkyl-substituted alkyl groups e.g., alkyl-substituted cycloalkyl groups and cycloalkyl-substituted alkyl groups.
  • alkyl includes both “unsubstituted alkyls” and “substituted alkyls. ” As used herein, the term “substituted alkyls” refers to alkyl groups having substituents replacing one or more hydrogens on one or more carbons of the hydrocarbon backbone.
  • substituents may include, for example, alkenyl, alkynyl, halogeno, hydroxyl, alkylcarbonyloxy, arylcarbonyloxy, alkoxycarbonyloxy, aryloxy, aryloxycarbonyloxy, carboxylate, alkylcarbonyl, arylcarbonyl, alkoxycarbonyl, aminocarbonyl, alkylaminocarbonyl, dialkylaminocarbonyl, alkylthiocarbonyl, alkoxyl, phosphate, phosphonato, phosphinato, cyano, amino (including alkyl amino, dialkylamino, arylamino, diarylamino, and alkylarylamino) , acylamino (including alkylcarbonylamino, arylcarbonylamino, carbamoyl and ureido) , imino, sulfhydryl, alkylthio, arylthio, thiocarbox
  • substituted alkyls can include a heterocyclic group.
  • heterocyclic group includes closed ring structures analogous to carbocyclic groups in which one or more of the carbon atoms in the ring is an element other than carbon, for example, nitrogen, sulfur or oxygen. Heterocyclic groups may be saturated or unsaturated.
  • heterocyclic groups include, but are not limited to, aziridine, ethylene oxide (epoxides, oxiranes) , thiirane (episulfides) , dioxirane, azetidine, oxetane, thietane, dioxetane, dithietane, dithiete, azolidine, pyrrolidine, pyrroline, oxolane, dihydrofuran, and furan.
  • aziridine ethylene oxide (epoxides, oxiranes) , thiirane (episulfides) , dioxirane, azetidine, oxetane, thietane, dioxetane, dithietane, dithiete, azolidine, pyrrolidine, pyrroline, oxolane, dihydrofuran, and furan.
  • Alkenyl groups or alkenes are straight chain, branched, or cyclic alkyl groups having two to about 30 carbon atoms, and further including at least one double bond.
  • an alkenyl group has from 2 to about 30 carbon atoms, or typically, from 2 to 10 carbon atoms.
  • Alkenyl groups may be substituted or unsubstituted.
  • the configuration for the double bond can be a trans or cis configuration.
  • Alkenyl groups may be substituted similarly to alkyl groups.
  • Alkynyl groups are straight chain, branched, or cyclic alkyl groups having two to about 30 carbon atoms, and further including at least one triple bond. In some embodiments, an alkynyl group has from 2 to about 30 carbon atoms, or typically, from 2 to 10 carbon atoms. Alkynyl groups may be substituted or unsubstituted. Alkynyl groups may be substituted similarly to alkyl or alkenyl groups.
  • alkylene As used herein, the terms “alkylene” , “cycloalkylene” , “alkynylides” , and “alkenylene” , alone or as part of another substituent, refer to a divalent radical derived from an alkyl, cycloalkyl, or alkenyl group, respectively, as exemplified by –CH 2 CH 2 CH 2 –.
  • alkylene, cycloalkylene, alkynylene, and alkenylene groups no orientation of the linking group is implied.
  • esters refers to -RCOOR’ group.
  • R is absent, a substituted or unsubstituted alkylene, cycloalkylene, alkenylene, alkynylene, arylene, aralkylene, heterocyclylalkylene, or heterocyclylene group as defined herein.
  • R’ is a substituted or unsubstituted alkyl, cycloalkyl, alkenyl, alkynyl, aryl, aralkyl, heterocyclylalkyl, or heterocyclyl group as defined herein.
  • amine refers to –RNR’R” groups.
  • R is absent, a substituted or unsubstituted alkylene, cycloalkylene, alkenylene, alkynylene, arylene, aralkylene, heterocyclylalkylene, or heterocyclylene group as defined herein.
  • R’ and R are independently hydrogen, or a substituted or unsubstituted alkyl, cycloalkyl, alkenyl, alkynyl, aryl, aralkyl, heterocyclylalkyl, or heterocyclyl group as defined herein.
  • amine as used herein also refers to an independent compound.
  • an amine when an amine is a compound, it can be represented by a formula of R’NR’R” groups, wherein R, R’, and R” are independently hydrogen, or a substituted or unsubstituted alkyl, cycloalkyl, alkenyl, alkynyl, aryl, aralkyl, heterocyclylalkyl, or heterocyclyl group as defined herein.
  • alcohol refers to –ROH groups.
  • R is absent, a substituted or unsubstituted alkylene, cycloalkylene, alkenylene, alkynylene, arylene, aralkylene, heterocyclylalkylene, or heterocyclylene group as defined herein.
  • carboxylic acid refers to -RCOOH groups.
  • R is absent, a substituted or unsubstituted alkylene, cycloalkylene, alkenylene, alkynylene, arylene, aralkylene, heterocyclylalkylene, or heterocyclylene group as defined herein.
  • the methods, systems, apparatuses, and compositions disclosed herein may comprise, consist essentially of, or consist of the components and ingredients described herein as well as other ingredients not described herein.
  • “consisting essentially of” means that the methods, systems, apparatuses, and compositions may include additional steps, components, or ingredients, but only if the additional steps, components, or ingredients do not materially alter the basic and novel characteristics of the claimed methods, systems, apparatuses, and compositions.
  • the term “configured” describes a system, apparatus, or other structure that is constructed or configured to perform a particular task or adopt a particular configuration.
  • the term “configured” can be used interchangeably with other similar phrases such as arranged and configured, constructed and arranged, adapted and configured, adapted, constructed, manufactured and arranged, and the like.
  • Component Concentration (wt. %) Carbonate alkalinity source 30-60 Anionic surfactant 10-30 Acrylic acid polymer 1-10 Carboxymethyl cellulose 1-10 Chlorine bleach antimicrobial 5-30
  • Component Concentration (wt. %) Carbonate alkalinity source 30-60 Anionic surfactant 1-10 Filler 10-30 Chlorine bleach antimicrobial 15-40 Metasilicate alkalinity source 10-40
  • compositions can be provided in a solid form, including a powder, a flowable powder, granules, a tablet, a block, a flake, a pellet, a tablet, a lozenge, a puck, a briquette, a brick, a solid block, or a unit dose.
  • the compositions may be provided as a liquid concentrate.
  • the compositions may be diluted to form a use solution, e.g., by contacting water with a solid block or by placing a tablet into a dispenser or wash machine.
  • the compositions disclosed herein may be used in any part of the wash cycle, but preferably during a wash phase, a rinse phase, or as a pre-soak.
  • a use solution may be prepared from the solid compositions by diluting the composition with water or other diluent (e.g., by contacting the solid with a water source) at a dilution ratio that provides a use solution having desired detersive properties.
  • the typical dilution factor is between approximately 1 and approximately 10,000 but will depend on factors including water hardness, the amount of soil to be removed, and the like.
  • the composition is diluted at a ratio of between about 1: 10 and about 1: 10,000 composition to water, inclusive of all integers with this range, e.g., 1: 50, 1: 100, 1: 1,000, and the like.
  • the composition is diluted at a ratio of between about 1: 100 and about 1: 5,000 concentrate to diluent.
  • the compositions include one or more surfactants, preferably at least one anionic surfactant.
  • Anionic surfactants are surface-active substances that are categorized as anionics because the charge on the hydrophobe is negative, or they are anionic surfactants in which the hydrophobic section of the molecule carries no charge unless the pH is elevated to neutrality or above (e.g., carboxylic acids) .
  • Carboxylate, sulfonate, sulfate, and phosphate are the polar (hydrophilic) solubilizing groups found in anionic surfactants.
  • compositions include at least one anionic sulfonate surfactant.
  • the one or more anionic surfactants disclosed herein can include an anionic surfactant comprising at least one or more sulfate functional groups (-OSO 3 H or -OSO 3 - ) or at least one sulfonate functional groups (-SO 3 H or -SO 3 - ) , respectively.
  • Anionic sulfonate surfactants suitable for use in the present compositions include alkyl sulfonates, the linear and branched primary and secondary alkyl sulfonates, and the aromatic sulfonates with or without substituents.
  • anionic sulfonate surfactants include, without limitation, benzene sulfonates such as sodium dodecyl benzene sulfonate (SDBS) , alkylsulfonates, alkylamide sulfonates, alkylaryl sulfonates, ⁇ -olefin sulfonates, paraffin sulfonates, alkylsulfosuccinates, alkyl ether sulfosuccinates, alkylamide sulfosuccinates, alkyl sulfoacetates, alkyl sulfosuccinamates, acyl isethionates, and N-acyltaurates.
  • SDBS sodium dodecyl benzene sulfonate
  • alkylsulfonates alkylamide sulfonates
  • alkylaryl sulfonates alkylaryl sulfonates
  • the alkyl and acyl groups of these compounds preferably comprise from 14 to 30 carbon atoms, or from 16 to 22 carbon atoms.
  • the aryl group comprises a phenyl or benzyl group.
  • the sulfonates may be optionally oxyethylenated and comprise from 1 to 50 ethylene oxide units.
  • Anionic sulfate surfactants suitable for use in the present compositions include alkyl ether sulfates, alkyl sulfates, the linear and branched primary and secondary alkyl sulfates, alkyl ethoxysulfates, fatty oleyl glycerol sulfates, alkyl phenol ethylene oxide ether sulfates, the C 5 -C 17 acyl-N- (C 1 -C 4 alkyl) and -N- (C 1 -C 2 hydroxyalkyl) glucamine sulfates, and sulfates of alkylpolysaccharides such as the sulfates of alkylpolyglucoside, and the like.
  • alkyl sulfates alkyl poly (ethyleneoxy) ether sulfates and aromatic poly (ethyleneoxy) sulfates such as the sulfates or condensation products of ethylene oxide and nonyl phenol (usually having 1 to 6 oxyethylene groups per molecule) .
  • Anionic carboxylate surfactants suitable for use in the present compositions include carboxylic acids (and salts) , such as alkanoic acids (and alkanoates) , ester carboxylic acids (e.g., alkyl succinates) , ether carboxylic acids, sulfonated fatty acids, such as sulfonated oleic acid, and the like.
  • carboxylates include alkyl ethoxy carboxylates, alkyl aryl ethoxy carboxylates, alkyl polyethoxy polycarboxylate surfactants, and soaps (e.g., alkyl carboxyls) .
  • Secondary carboxylates useful in the present compositions include those which contain a carboxyl unit connected to a secondary carbon.
  • the secondary carbon can be in a ring structure, e.g., as in p-octyl benzoic acid, or as in alkyl-substituted cyclohexyl carboxylates.
  • the secondary carboxylate surfactants typically contain no ether linkages, no ester linkages, and no hydroxyl groups. Further, they typically lack nitrogen atoms in the head-group (amphiphilic portion) .
  • Suitable secondary soap surfactants typically contain 11-13 total carbon atoms, although more carbons atoms (e.g., up to 16) can be present.
  • Suitable carboxylates also include acylamino acids (and salts) , such as acylgluamates, acyl peptides, sarcosinates (e.g., N-acyl sarcosinates) , taurates (e.g., N-acyl taurates and fatty acid amides of methyl tauride) , and the like.
  • acylamino acids and salts
  • acylgluamates such as acylgluamates, acyl peptides, sarcosinates (e.g., N-acyl sarcosinates) , taurates (e.g., N-acyl taurates and fatty acid amides of methyl tauride) , and the like.
  • Suitable anionic surfactants include alkyl or alkylaryl ethoxy carboxylates of the following formula:
  • R is a C 8 to C 22 alkyl group or in which R 1 is a C 4 -C 16 alkyl group; n is an integer of 1-20; m is an integer of 1-3; and X is a counter ion, such as hydrogen, sodium, potassium, lithium, ammonium, or an amine salt such as monoethanolamine, diethanolamine or triethanolamine.
  • n is an integer of 4 to 10 and m is 1.
  • R is a C 8 -C 16 alkyl group.
  • R is a C 12 -C 14 alkyl group, n is 4, and m is 1.
  • R is and R 1 is a C 6 -C 12 alkyl group. In still yet other embodiments, R 1 is a C 9 alkyl group, n is 10 and m is 1.
  • alkyl and alkylaryl ethoxy carboxylates are commercially available. These ethoxy carboxylates are typically available as the acid forms, which can be readily converted to the anionic or salt form.
  • Commercially available carboxylates include Neodox 23-4, a C 12- 13 alkyl polyethoxy (4) carboxylic acid (Shell Chemical) , and Emcol CNP-110, a C 9 alkylaryl polyethoxy (10) carboxylic acid (Witco Chemical) .
  • Carboxylates are also available from Clariant, e.g., the product DTC, a C 13 alkyl polyethoxy (7) carboxylic acid.
  • the one or more anionic surfatants are present in an amount of from about 1 wt. %to about 60 wt. %, from about 1 wt. %to about 40 wt. %, from about 1 wt. %to about 30 wt. %, from about 10 wt. %to about 30 wt. %, from about 1 wt. %to about 10 wt. %, or any integer within these ranges.
  • compositions include one or more sources of alkalinity to aid in soil removal efficacy.
  • the alkalinity source can include an alkali metal carbonate, an alkali metal hydroxide, alkali metal silicate, alkali metal metasilicate, or a combination thereof.
  • Alkali metal carbonates are often referred to as ash-based detergents and most often employ sodium carbonate. Additional alkali metal carbonates include, for example, sodium or potassium carbonate, bicarbonate, sesquicarbonate, or a combination thereof. In an aspect, the alkali metal carbonates are further understood to include metasilicates, silicates, bicarbonates, and sesquicarbonates. As described herein, any “ash-based” or “alkali metal carbonate” shall also be understood to include all alkali metal carbonates, metasilicates, silicates, bicarbonates, and/or sesquicarbonates, and salts thereof, such as sodium, potassium, and lithium salts.
  • Alkali metal hydroxides are often referred to as caustic detergents.
  • suitable alkali metal hydroxides include sodium hydroxide, potassium hydroxide, and lithium hydroxide.
  • Exemplary alkali metal salts include sodium carbonate, potassium carbonate, and mixtures thereof.
  • the alkali metal hydroxides may be added to the composition in any suitable form, including solid beads, an aqueous solution, or a combination thereof.
  • Alkali metal hydroxides are commercially available as a solid in the form of prilled solids or beads having a mix of particle sizes ranging from about 12-100 U.S. mesh, or as an aqueous solution, such as for example, as a 45%and a 50%by weight solution.
  • the composition may comprise a second source of alkalinity.
  • the composition includes sodium carbonate.
  • the composition includes sodium carbonate and sodium metasilicate.
  • An effective amount of one or more alkalinity sources is provided in the detergent composition.
  • An effective amount is referred to herein as an amount that provides a use composition having a pH of between about 8 to about 13, more preferably, between about 9 to about 12.
  • the one or more alkalinity sources are present in an amount of from about 1 wt. %to about 80 wt. %, from about 5 wt. %to about 5 wt. %, from about 10 wt. %to about 60 wt. %, from about 30 wt. %to about 60 wt. %, or any integer within these ranges.
  • the compositions include one or more antiredeposition agents.
  • antiredeposition agents Certain compounds are useful in preventing redeposition of removed soils; these are commonly referred to as “antiredeposition agents. ” Such agents include, for example, polymers that contain a negative charge at a pH 7.
  • a useful class of antiredeposition agents is polyanionic compounds containing multiple carboxylate groups.
  • suitable carboxylate-containing polyanionic compounds include, without limitation, carboxymethyl celluloses, carboxymethyl hydroxyethyl celluloses, carboxymethyl starches, carboxymethyl hydroxyethyl starches, polyacrylates and polymethacrylates, salts of copolymers containing acrylic and methacrylic acid, and all salts (e.g., metal salts) thereof.
  • the polyanionic compounds often can exist in the un-ionized state, for example, in the solid state, in combination with a companion or counter ion, in particular, a plurality of discrete cations equal in number to the number of discrete anionic charges so that the un-ionized polyanionic component is electrically neutral.
  • the present un-ionized polyanionic components may be present in the acid form and/or in combination with one or more metals. Suitable metals include the alkali metals, the alkaline earth metals, for example, calcium and magnesium, and mixtures thereof. Sodium and potassium are very useful to provide the counter ion in the un-ionized polyanionic component.
  • Polyanionic components which, in the un-ionized states, are combined with cations other than H + and metal cations can be employed in the present invention.
  • the antiredeposition agent includes one or more of an anionic cellulose derivative, an anionic polymer derived from acrylic acid (e.g., the polymer includes polymers from acrylic acid, acrylates, etc. and combinations thereof) , an anionic polymer derived from methacrylic acid (e.g., the polymer includes polymers from methacrylic acid, methacrylates, etc. and combinations thereof) , anionic polymers derived from the copolymerization of acrylic acid with maleic acid, and combinations thereof.
  • an anionic cellulose derivative e.g., the polymer includes polymers from acrylic acid, acrylates, etc. and combinations thereof
  • acrylic acid e.g., the polymer includes polymers from acrylic acid, acrylates, etc. and combinations thereof
  • methacrylic acid e.g., the polymer includes polymers from methacrylic acid, methacrylates, etc. and combinations thereof
  • anionic polymers derived from the copolymerization of acrylic acid with maleic acid e.g., the poly
  • the molecular weight of the anionic polymers described in this invention can range from about one thousand daltons to several hundred thousand daltons.
  • the preferred molecular weight ranges from about 1000 daltons to about 100,000 daltons.
  • anionic cellulose derivatives are employed a preferred molecular weight range is from about 70,000 daltons to about 700,000 daltons.
  • the antiredeposition agent is carboxymethyl cellulose.
  • the antiredeposition agent is an acrylic polymer, preferably a poly (acrylic acid-co-maleic acid) sodium salt.
  • the antiredeposition agent comprises a combination of carboxymethyl cellulose and a poly (acrylic acid-co-maleic acid) sodium salt.
  • the compositions are free of antiredeposition agents.
  • the one or more antiredeposition agents are present in an amount of up to 30 wt. %, including from about 1 wt. %o about 25 wt. %, from about 1 wt. %to about 20 wt. %, from about 1 wt. %to about 10 wt. %, or any integer contained within these ranges.
  • the compositions include from about 1 wt. %to about 10 wt. %of a first antiredeposition agent and from about 1 wt%to about 10 wt. %of a second antiredeposition agent
  • the compositions can include one or more fillers.
  • Fillers are sometimes generally inert but may cooperate with the surfactant systems to enhance the overall capacity of the composition. In other circumstances, some fillers provide secondary benefits.
  • fillers as used in detergent powders may help the detergent powder to flow freely and improve dispersion.
  • suitable fillers may include, without limitation, sodium sulfate, sodium chloride, a starch, a sugar, a C 1 -C 10 alkylene glycol such as propylene glycol, or a combination thereof.
  • the filler may be included in an amount of up to about 55 wt. %, including from about 1 wt. %to about 35 wt. %, from about 10 wt. %to about 30 wt. %, and any integer contained within these ranges.
  • compositions can optionally include a bleaching agent.
  • the bleaching agent also provides antimicrobial or sanitizing efficacy.
  • Suitable bleaching compounds include, for example, those capable of liberating an active halogen species, such as Cl 2 , Br 2 , -OCl - and/or -OBr - , or the like.
  • Suitable bleaching agents for use can include, for example, chlorine-containing compounds such as a chlorine, a hypochlorite, chloramines, of the like.
  • halogen-releasing compounds include the alkali metal dichloroisocyanurates, such as sodium dichloroisocyanurate (NaDCC) , chlorinated trisodium phosphate, alkali metal hypochlorites, monochloramine and dichloroamine, and the like.
  • alkali metal dichloroisocyanurates such as sodium dichloroisocyanurate (NaDCC)
  • NaDCC sodium dichloroisocyanurate
  • Encapsulated chlorine sources may also be used to enhance the stability of the chlorine source in the composition, however, beneficially the solid compositions stabilize the bleach source without required encapsulated chlorine sources or other bleach stabilizers.
  • the bleaching agent may also include an agent containing or acting as a source of active oxygen.
  • the active oxygen compound can act to provide a source of active oxygen, for example, may release active oxygen in aqueous solutions.
  • An active oxygen compound can be inorganic or organic or can be a mixture thereof.
  • Some examples of active oxygen compounds include peroxygen compounds or peroxygen compound adducts.
  • Some examples of active oxygen compounds or sources include hydrogen peroxide, perborates, sodium carbonate peroxyhydrate, phosphate peroxyhydrates, potassium permonosulfate, and sodium perborate mono and tetrahydrate, with and without activators such as tetraacetylethylene diamine, and the like.
  • Suitable oxygen-based bleaches include peroxygen bleaches, such as sodium perborate (tetra-or monohydrate) , sodium percarbonate, or hydrogen peroxide.
  • Peroxybenzoic acid precursors are also suitable bleaching agents. Examples of suitable precursors are phenylbenzoate, phenyl p-nitrobenzoate, o-nitrophenyl benzoate, o-carboxyphenyl benzoate, p-bromophenyl benzoate, sodium or potassium benzoyloxy benzene sulfonate and benzoic anhydride.
  • Suitable peroxygen bleach precursors include, for example, sodium p-benzoyloxy-benzene sulfonate, N, N, N, N-tetraacetyl ethylene diamine (TEAD) , sodium nonanoyl oxybenzene sulfonate (SNOBS) and choline sulphophenyl carbonate (CSPC) .
  • the compositions include a bleaching agent, preferably a bleaching agent capable of providing antimicrobial efficacy, in an amount of from about 1 wt. %to about 45 wt. %, from about 5 wt. %to about 40 wt. %, from about 10 wt%to about 30 wt. %, from about 5 wt. %to abou 30 wt. %, from about 15 wt. %to about 40 wt. %, or any integer contained within these ranges.
  • a bleaching agent preferably a bleaching agent capable of providing antimicrobial efficacy
  • compositions may optionally include one or more additional nonionic, semi-polar nonionic, cationic, anionic, zwitterionic, or amphoteric surfactants.
  • the compositions are free of additional surfactants, such as additional nonionic, semi-polar nonionic, cationic, anionic, zwitterionic, or amphoteric surfactants.
  • additional surfactants may be present in an amount of between about 0.1 wt. %to about 75 wt. %, inclusive of any integer within this range.
  • Optional additional nonionic surfactants are those characterized by the presence of an organic hydrophobic group and an organic hydrophilic group and are typically produced by the condensation of an organic aliphatic, alkyl aromatic, or polyoxyalkylene hydrophobic compound with a hydrophilic alkaline oxide moiety which in common practice is ethylene oxide or a polyhydration product thereof, polyethylene glycol.
  • any hydrophobic compound having a hydroxyl, carboxyl, amino, or amido group with a reactive hydrogen atom can be condensed with ethylene oxide, or its polyhydration adducts or its mixtures with alkoxylenes such as propylene oxide to form a nonionic surface-active agent.
  • Suitable nonionic surfactants include ethoxylated tridecyl alcohols, such as those sold under the trade name TDA, e.g., TDA 9; C12-C14 alcohol ethoxylates having 5-9 mole EO, such as those sold under the trade name Surfonic L24-7; and polyoxyethylene castor oil ether, commercially available as EL-20.
  • Useful nonionic surfactants include:
  • Block polyoxypropylene-polyoxyethylene polymeric compounds based upon propylene glycol, ethylene glycol, glycerol, trimethylolpropane, and ethylenediamine as the initiator reactive hydrogen compound are commercially available from BASF Corp.
  • One class of compounds is difunctional (two reactive hydrogens) compounds formed by condensing ethylene oxide with a hydrophobic base formed by the addition of propylene oxide to the two hydroxyl groups of propylene glycol. This hydrophobic portion of the molecule weighs from about 1,000 to about 4,000.
  • Ethylene oxide is then added to sandwich this hydrophobe between hydrophilic groups, controlled by length to constitute from about 10%by weight to about 80%by weight of the final molecule.
  • Another class of compounds is tetra-functional block copolymers derived from the sequential addition of propylene oxide and ethylene oxide to ethylenediamine. The molecular weight of the propylene oxide ranges from about 500 to about 7,000; and the hydrophile, ethylene oxide, is added to constitute from about 10%by weight to about 80%by weight of the molecule.
  • the alkyl group can, for example, be represented by diisobutylene, di-amyl, polymerized propylene, iso-octyl, nonyl, and di-nonyl.
  • These surfactants can be polyethylene, polypropylene, and polybutylene oxide condensates of alkyl phenols. Examples of commercial compounds of this chemistry are available on the market under the trade names manufactured by Rhone-Poulenc and manufactured by Union Carbide.
  • the alcohol moiety can consist of mixtures of alcohols in the above-delineated carbon range or it can consist of an alcohol having a specific number of carbon atoms within this range.
  • Examples of like commercial surfactants are available under the trade names Lutensol TM , Dehydol TM manufactured by BASF, Neodol TM manufactured by Shell Chemical Co., and Alfonic TM manufactured by Vista Chemical Co.
  • the acid moiety can consist of mixtures of acids in the above defined carbon atoms range or it can consist of an acid having a specific number of carbon atoms within the range. Examples of commercial compounds of this chemistry are available on the market under the trade names Disponil or Agnique manufactured by BASF and Lipopeg TM manufactured by Lipo Chemicals, Inc.
  • ester moieties In addition to ethoxylated carboxylic acids, commonly called polyethylene glycol esters, other alkanoic acid esters formed by reaction with glycerides, glycerin, and polyhydric (saccharide or sorbitan/sorbitol) alcohols have application in this disclosure for specialized embodiments, particularly indirect food additive applications. All of these ester moieties have one or more reactive hydrogen sites on their molecule which can undergo further acylation or ethylene oxide (alkoxide) addition to control the hydrophilicity of these substances. Care must be exercised when adding these fatty esters or acylated carbohydrates to compositions of the present disclosure containing amylase or lipase enzymes because of potential incompatibility.
  • nonionic low foaming surfactants examples include:
  • Additional examples of effective low foaming nonionics include:
  • R is an alkyl group of 8 to 9 carbon atoms
  • A is an alkylene chain of 3 to 4 carbon atoms
  • n is an integer of 7 to 16
  • m is an integer of 1 to 10.
  • polyalkylene glycol condensates of U.S. Pat. No. 3,048,548 issued Aug. 7, 1962, to Martin et al. having alternating hydrophilic oxyethylene chains and hydrophobic oxypropylene chains where the weight of the terminal hydrophobic chains, the weight of the middle hydrophobic unit, and the weight of the linking hydrophilic units each represent about one-third of the condensate.
  • defoaming nonionic surfactants disclosed in U.S. Pat. No. 3,382,178 issued May 7, 1968, to Lissant et al. having the general formula Z [ (OR) n OH] z wherein Z is alkoxylatable material, R is a radical derived from an alkylene oxide which can be ethylene and propylene and n is an integer from, for example, 10 to 2,000 or more and z is an integer determined by the number of reactive oxyalkylatable groups.
  • Y Compounds falling within the scope of the definition for Y include, for example, propylene glycol, glycerin, pentaerythritol, trimethylolpropane, ethylenediamine, and the like.
  • the oxypropylene chains optionally, but advantageously, contain small amounts of ethylene oxide, and the oxyethylene chains also optionally, but advantageously, contain small amounts of propylene oxide.
  • Additional conjugated polyoxyalkylene surface-active agents which are advantageously used in the compositions of this disclosure correspond to the formula: P [(C 3 H 6 O) n (C 2 H 4 O) m H] x wherein P is the residue of an organic compound having from about 8 to 18 carbon atoms and containing x reactive hydrogen atoms in which x has a value of 1 or 2, n has a value such that the molecular weight of the polyoxyethylene portion is at least about 44 and m has a value such that the oxypropylene content of the molecule is from about 10%to about 90%by weight.
  • the oxypropylene chains may contain optionally, but advantageously, small amounts of ethylene oxide, and the oxyethylene chains may contain also optionally, but advantageously, small amounts of propylene oxide.
  • Polyhydroxy fatty acid amide surfactants suitable for use in the present compositions include those having the structural formula R 2 CON R1 Z in which: R1 is H, C 1 -C 4 hydrocarbyl, 2-hydroxy ethyl, 2-hydroxy propyl, ethoxy, propoxy group, or a mixture thereof; R 2 is a C 5 -C 31 hydrocarbyl, which can be straight-chain; and Z is a polyhydroxy hydrocarbyl having a linear hydrocarbyl chain with at least 3 hydroxyls directly connected to the chain, or an alkoxylated derivative (preferably ethoxylated or propoxylated) thereof. Z can be derived from a reducing sugar in a reductive amination reaction; such as a glycityl moiety.
  • alkyl ethoxylate condensation products of aliphatic alcohols with from about 0 to about 25 moles of ethylene oxide are suitable for use in the present compositions.
  • the alkyl chain of the aliphatic alcohol can either be straight or branched, primary or secondary, and generally contains from 6 to 22 carbon atoms.
  • Fatty alcohol nonionic surfactants including ethoxylated C 6 -C 18 fatty alcohols and C 6 -C 18 mixed ethoxylated and propoxylated fatty alcohols and fatty alcohol polyglycol ethers.
  • Suitable ethoxylated fatty alcohols include the C 6 -C 18 ethoxylated fatty alcohols with a degree of ethoxylation of from 3 to 50.
  • Suitable nonionic alkylpolysaccharide surfactants particularly for use in the present compositions include those disclosed in U.S. Pat. No. 4,565,647, Llenado, issued Jan. 21, 1986. These surfactants include a hydrophobic group containing from about 6 to about 30 carbon atoms and a polysaccharide, e.g., a polyglycoside, hydrophilic group containing from about 1.3 to about 10 saccharide units. Any reducing saccharide containing 5 or 6 carbon atoms can be used, e.g., glucose, galactose, and galactosyl moieties can be substituted for the glucosyl moieties.
  • the hydrophobic group is attached at the 2-, 3-, 4-, etc. positions thus giving a glucose or galactose as opposed to a glucoside or galactoside.
  • the intersaccharide bonds can be, e.g., between the one position of the additional saccharide units and the 2-, 3-, 4-, or 6-positions on the preceding saccharide units.
  • Suitable fatty acid amide surfactants include those having the formula: R 6 CON (R 7 ) 2 in which R 6 is an alkyl group containing from 7 to 21 carbon atoms and each R 7 is independently hydrogen, C 1 -C 4 alkyl, C 1 -C 4 hydroxyalkyl, or -- (C 2 H 4 O) X H, where x is in the range of from 1 to 3.
  • a useful class of non-ionic surfactants include the class defined as alkoxylated amines or, most particularly, alcohol alkoxylated/aminated/alkoxylated surfactants. These non-ionic surfactants may be at least in part represented by the general formulae: R 20 -- (PO) S N-- (EO) t H, R 20 -- (PO) S N-- (EO) t H (EO) t H, and R 20 --N (EO) t H; in which R 20 is an alkyl, alkenyl or other aliphatic group, or an alkyl-aryl group of from 8 to 20, preferably 12 to 14 carbon atoms, EO is oxyethylene, PO is oxypropylene, s is 1 to 20, preferably 2-5, t is 1-10, preferably 2-5, and u is 1-10, preferably 2-5.
  • R 20 is an alkyl, alkenyl or other aliphatic group, or an alkyl-aryl group of from 8 to 20,
  • R 20 -- (PO) V --N [ (EO) w H] [ (EO) z H] in which R 20 is as defined above, v is 1 to 20 (e.g., 1, 2, 3, or 4 (preferably 2) ) , and w and z are independently 1-10, preferably 2-5.
  • R 20 is as defined above, v is 1 to 20 (e.g., 1, 2, 3, or 4 (preferably 2) ) , and w and z are independently 1-10, preferably 2-5.
  • R 20 is as defined above, v is 1 to 20 (e.g., 1, 2, 3, or 4 (preferably 2) ) , and w and z are independently 1-10, preferably 2-5.
  • R 20 is as defined above, v is 1 to 20 (e.g., 1, 2, 3, or 4 (preferably 2) ) , and w and z are independently 1-10, preferably 2-5.
  • These compounds are represented commercially by a line of products sold by Huntsman Chemicals as nonionic surfactants.
  • Nonionic Surfactants edited by Schick, M. J., Vol. 1 of the Surfactant Science Series, Marcel Dekker, Inc., New York, 1983 is an excellent reference on the wide variety of nonionic compounds generally employed in the practice of the present disclosure.
  • a typical listing of nonionic classes, and species of these surfactants, is given in U.S. Pat. No. 3,929,678 issued to Laughlin and Heuring on Dec. 30, 1975. Further examples are given in “Surface Active Agents and detergents” (Vol. I and II by Schwartz, Perry, and Berch) .
  • the semi-polar type of nonionic surface-active agents are another class of nonionic surfactant useful in compositions of the present disclosure.
  • semi-polar nonionics are high foaming and foam stabilizers, which can limit their application in CIP systems.
  • semi-polar nonionics would have immediate utility.
  • the semi-polar nonionic surfactants include the amine oxides, phosphine oxides, sulfoxides, and their alkoxylated derivatives.
  • Amine oxides are tertiary amine oxides corresponding to the general formula
  • R 1 , R 2 , and R 3 may be aliphatic, aromatic, heterocyclic, alicyclic, or combinations thereof.
  • R 1 is an alkyl radical of from about 8 to about 24 carbon atoms
  • R 2 and R 3 are alkyl or hydroxyalkyl of 1-3 carbon atoms or a mixture thereof;
  • R 2 and R 3 can be attached to each other, e.g., through an oxygen or nitrogen atom, to form a ring structure
  • R 4 is an alkaline or a hydroxyalkylene group containing 2 to 3 carbon atoms, and n ranges from 0 to about 20.
  • Useful water soluble amine oxide surfactants are selected from the coconut or tallow alkyl di- (lower alkyl) amine oxides, specific examples of which are dodecyldimethylamine oxide, tridecyldimethylamine oxide, tetradecyldimethylamine oxide, pentadecyldimethylamine oxide, hexadecyldimethylamine oxide, heptadecyldimethylamine oxide, octadecyldimethylaine oxide, dodecyldipropylamine oxide, tetradecyldipropylamine oxide, hexadecyldipropylamine oxide, tetradecyldibutylamine oxide, octadecyldibutylamine oxide, bis (2-hydroxyethyl) dodecylamine oxide, bis (2-hydroxyethyl) -3-dodecoxy-1-hydroxypropylamine oxide, dimethyl
  • Useful semi-polar nonionic surfactants also include the water-soluble phosphine oxides having the following structure:
  • R 1 is an alkyl, alkenyl, or hydroxyalkyl moiety ranging from 10 to about 24 carbon atoms in chain length; and R 2 and R 3 are each alkyl moieties separately selected from alkyl or hydroxyalkyl groups containing 1 to 3 carbon atoms.
  • Examples of useful phosphine oxides include dimethyldecylphosphine oxide, dimethyltetradecylphosphine oxide, methylethyltetradecylphosphone oxide, dimethyl hexadecyl phosphine oxide, diethyl-2-hydroxyoctyldecylphosphine oxide, bis (2-hydroxyethyl) dodecyl phosphine oxide, and bis (hydroxymethyl) tetradecyl phosphine oxide.
  • Semi-polar nonionic surfactants useful herein also include the water-soluble sulfoxide compounds which have the structure:
  • R 1 is an alkyl or hydroxyalkyl moiety of about 8 to about 28 carbon atoms, from 0 to about 5 ether linkages and from 0 to about 2 hydroxyl substituents
  • R 2 is an alkyl moiety consisting of alkyl and hydroxyalkyl groups having 1 to 3 carbon atoms.
  • sulfoxides include dodecyl methyl sulfoxide; 3-hydroxy tridecyl methyl sulfoxide; 3-methoxy tridecyl methyl sulfoxide; and 3-hydroxy-4-dodecoxybutyl methyl sulfoxide.
  • Semi-polar nonionic surfactants for the compositions of the disclosure include dimethyl amine oxides, such as lauryl dimethyl amine oxide, myristyl dimethyl amine oxide, cetyl dimethyl amine oxide, combinations thereof, and the like.
  • Useful water-soluble amine oxide surfactants are selected from the octyl, decyl, dodecyl, isododecyl, coconut, or tallow alkyl di- (lower alkyl) amine oxides, specific examples of which are octyl dimethyl amine oxide, nonyl dimethyl amine oxide, decyl dimethyl amine oxide, undecyl dimethyl amine oxide, dodecyldimethyl amine oxide, iso-dodecyldimethyl amine oxide, lauryl dimethyl amine oxide (sold commercially as Barlox 12) , tridecyldimethylamine oxide, tetradecyldimethylamine oxide, pentadecyl
  • Suitable nonionic surfactants suitable for use with the compositions of the present disclosure include alkoxylated surfactants.
  • Suitable alkoxylated surfactants include EO/PO copolymers, capped EO/PO copolymers, alcohol alkoxylates, capped alcohol alkoxylates, mixtures thereof, or the like.
  • Suitable alkoxylated surfactants for use as solvents include EO/PO block copolymers, such as the Pluronic and reverse Pluronic surfactants; alcohol alkoxylates, such as Dehypon LS-54 (R- (EO) 5 (PO) 4 ) and Dehypon LS-36 (R- (EO) 3 (PO) 6 ) ; and capped alcohol alkoxylates, such as Plurafac LF221 and Tegoten EC11; mixtures thereof, or the like.
  • EO/PO block copolymers such as the Pluronic and reverse Pluronic surfactants
  • alcohol alkoxylates such as Dehypon LS-54 (R- (EO) 5 (PO) 4 ) and Dehypon LS-36 (R- (EO) 3 (PO) 6 )
  • capped alcohol alkoxylates such as Plurafac LF221 and Tegoten EC11; mixtures thereof, or the like.
  • cationic surfactants are classified as cationic if the charge on the hydrotrope portion of the molecule is positive.
  • Surfactants in which the hydrotrope carries no charge unless the pH is lowered close to neutrality or lower, but which are then cationic (e.g., alkyl amines) are also included in this group.
  • cationic surfactants may be synthesized from any combination of elements containing an “onium” structure RnX+Y--and could include compounds other than nitrogen (ammonium) such as phosphorus (phosphonium) and sulfur (sulfonium) .
  • the cationic surfactant field is dominated by nitrogen-containing compounds, probably because synthetic routes to nitrogenous cationics are simple and straightforward and give high yields of product, which can make them less expensive.
  • Cationic surfactants preferably include, more preferably refer to, compounds containing at least one long carbon chain hydrophobic group and at least one positively charged nitrogen.
  • the long carbon chain group may be attached directly to the nitrogen atom by simple substitution; or more preferably indirectly by a bridging functional group or groups in so-called interrupted alkylamines and amido amines.
  • Such functional groups can make the molecule more hydrophilic or more water dispersible, more easily water solubilized by co-surfactant mixtures, or water-soluble.
  • additional primary, secondary or tertiary amino groups can be introduced, or the amino nitrogen can be quaternized with low molecular weight alkyl groups.
  • the nitrogen can be a part of branched or straight chain moiety of varying degrees of unsaturation or of a saturated or unsaturated heterocyclic ring.
  • cationic surfactants may contain complex linkages having more than one cationic nitrogen atom.
  • the surfactant compounds classified as amine oxides, amphoterics, and zwitterions are themselves typically cationic in near neutral to acidic pH solutions and can overlap surfactant classifications.
  • Polyoxyethylated cationic surfactants generally behave like nonionic surfactants in alkaline solution and like cationic surfactants in acidic solution.
  • R represents an alkyl chain
  • R', R” , and R”' may be either alkyl chains or aryl groups or hydrogen and X represents an anion.
  • the amine salts and quaternary ammonium compounds are suitable for practical use in this disclosure due to their high degree of water solubility.
  • the majority of large volume commercial cationic surfactants can be subdivided into four major classes and additional sub-groups known to those or skill in the art and described in “Surfactant Encyclopedia, ” Cosmetics &Toiletries, Vol. 104 (2) 86-96 (1989) .
  • the first class includes alkylamines and their salts.
  • the second class includes alkyl imidazolines.
  • the third class includes ethoxylated amines.
  • the fourth class includes quaternaries, such as alkyl benzyl dimethyl ammonium salts, alkyl benzene salts, heterocyclic ammonium salts, tetra alkylammonium salts, and the like.
  • Cationic surfactants are known to have a variety of properties that can be beneficial in the present compositions. These desirable properties can include detergency in compositions of or below neutral pH, antimicrobial efficacy, thickening or gelling in cooperation with other agents, and the like.
  • Cationic surfactants useful in the compositions of the present disclosure include those having the formula R 1 m R 2 x Y L Z wherein each R 1 is an organic group containing a straight or branched alkyl or alkenyl group optionally substituted with up to three phenyl or hydroxy groups and optionally interrupted by up to four of the following structures:
  • the R 1 groups can additionally contain up to 12 ethoxy groups.
  • m is a number from 1 to 3.
  • no more than one R 1 group in a molecule has 16 or more carbon atoms when m is 2 or more than 12 carbon atoms when m is 3.
  • Each R 2 is an alkyl or hydroxyalkyl group containing from 1 to 4 carbon atoms or a benzyl group with no more than one R 2 in a molecule being benzyl
  • x is a number from 0 to 11, preferably from 0 to 6. The remainder of any carbon atom positions on the Y group are filled by hydrogens.
  • Y is a group including, but not limited to:
  • L is 1 or 2
  • Y groups being separated by a moiety selected from R 1 and R 2 analogs (preferably alkylene or alkenylene) having from 1 to about 22 carbon atoms and two free carbon single bonds when L is 2.
  • Z is a water-soluble anion, such as a halide, sulfate, methylsulfate, hydroxide, or nitrate anion, particularly suitable being chloride, bromide, iodide, sulfate, or methyl sulfate anions, in a number to give electrical neutrality of the cationic component.
  • Additional suitable cationic surfactants include those derived from coconut products such as coconut oil or coconut fatty acid. Additional suitable coconut-derived surfactants include, for example, complex fatty tertiary amines with cationic surfactant properties, both as free amines and in the salt form. Such surfactants include, but are not limited to N, N-diethoxylated-N-coco-N-methylammonium chloride (also sometimes referred to as Coconut oil alkyl) bis (2-hydroxyethyl, ethoxylated) methylammonium
  • Such surfactants are commercially available under the trade names Ameenex TM , specifically Ameenix TM 1154 and Rewoquat, specifically Rewoquat CQ 100 G.
  • Amphoteric, or ampholytic, surfactants contain both a basic and an acidic hydrophilic group and an organic hydrophobic group. These ionic entities may be any of anionic or cationic groups described herein for other types of surfactants.
  • a basic nitrogen and an acidic carboxylate group are the typical functional groups employed as the basic and acidic hydrophilic groups.
  • surfactants sulfonate, sulfate, phosphonate, or phosphate provide the negative charge.
  • Amphoteric surfactants can be broadly described as derivatives of aliphatic secondary and tertiary amines, in which the aliphatic radical may be straight-chain or branched and wherein one of the aliphatic substituents contains from about 8 to 18 carbon atoms and one contains an anionic water solubilizing group, e.g., carboxy, sulfo, sulfato, phosphato, or phosphono.
  • Amphoteric surfactants are subdivided into two major classes known to those of skill in the art and described in “Surfactant Encyclopedia” Cosmetics &Toiletries, Vol. 104 (2) 69-71 (1989) , which is herein incorporated by reference in its entirety.
  • the first class includes acyl/dialkyl ethylenediamine derivatives (e.g., 2-alkyl hydroxyethyl imidazoline derivatives) and their salts.
  • the second class includes N-alkylamino acids and their salts.
  • Amphoteric surfactants can be synthesized by methods known to those of skill in the art. For example, 2-alkyl hydroxyethyl imidazoline is synthesized by condensation and ring closure of a long chain carboxylic acid (or a derivative) with dialkyl ethylenediamine. Commercial amphoteric surfactants are derivatized by subsequent hydrolysis and ring- opening of the imidazoline ring by alkylation --for example with chloroacetic acid or ethyl acetate. During alkylation, one or two carboxy-alkyl groups react to form a tertiary amine and an ether linkage with differing alkylating agents yielding different tertiary amines.
  • R is an acyclic hydrophobic group containing from about 8 to 18 carbon atoms and M is a cation to neutralize the charge of the anion, generally sodium.
  • imidazoline-derived amphoterics that can be employed in the present compositions include, for example, cocoamphopropionate, cocoamphocarboxy-propionate, cocoamphoglycinate, cocoamphocarboxy-glycinate, cocoamphopropyl-sulfonate, and cocoamphocarboxy-propionic acid.
  • a particularly suitable amphoteric is disodium cocoamphodipropionate, commercially available as Mackam 2CSF.
  • Amphocarboxylic acids can be produced from fatty imidazolines in which the dicarboxylic acid functionality of the amphodicarboxylic acid is diacetic acid or dipropionic acid.
  • the carboxymethylated compounds (glycinates) described herein above frequently are called betaines.
  • Examples of commercial N-alkylamino acid ampholytes having application in this disclosure include alkyl beta-amino dipropionates, RN(C 2 H 4 COOM) 2 and RNHC 2 H 4 COOM.
  • R can be an acyclic hydrophobic group containing from about 8 to about 18 carbon atoms, and M is a cation to neutralize the charge of the anion.
  • Suitable amphoteric surfactants include those derived from coconut products such as coconut oil or coconut fatty acid. Additional suitable coconut-derived surfactants include as part of their structure an ethylenediamine moiety, an alkanolamide moiety, an amino acid moiety, e.g., glycine, or a combination thereof; and an aliphatic substituent of from about 8 to 18 (e.g., 12) carbon atoms. Such a surfactant can also be considered an alkyl amphodicarboxylic acid.
  • amphoteric surfactants can include chemical structures represented as C 12 -alkyl-C (O) -NH-CH 2 -CH 2 -N + (CH 2 -CH 2 -CO 2 Na) 2 -CH 2 -CH 2 -OH or C 12 -alkyl-C (O) -N (H) -CH 2 -CH 2 -N + (CH 2 -CO 2 Na) 2 -CH 2 -CH 2 -OH.
  • Disodium cocoamphodipropionate is one suitable amphoteric surfactant and is commercially available under the tradename Miranol TM FBS from Rhodia Inc., Cranbury, N. J.
  • Another suitable coconut-derived amphoteric surfactant with the chemical name disodium cocoamphodiacetate is sold under the tradename Mirataine TM JCHA, also from Rhodia Inc., Cranbury, N. J.
  • Zwitterionic surfactants can be thought of as a subset of the amphoteric surfactants and can include an anionic charge.
  • Zwitterionic surfactants can be broadly described as derivatives of secondary and tertiary amines, derivatives of heterocyclic secondary and tertiary amines, or derivatives of quaternary ammonium, quaternary phosphonium or tertiary sulfonium compounds.
  • a zwitterionic surfactant includes a positive charged quaternary ammonium or, in some cases, a sulfonium or phosphonium ion; a negative charged carboxyl group; and an alkyl group.
  • Zwitterionics generally contain cationic and anionic groups which ionize to a nearly equal degree in the isoelectric region of the molecule and which can develop strong” inner-salt” attraction between positive-negative charge centers.
  • zwitterionic synthetic surfactants include derivatives of aliphatic quaternary ammonium, phosphonium, and sulfonium compounds, in which the aliphatic radicals can be straight chain or branched, and wherein one of the aliphatic substituents contains from 8 to 18 carbon atoms and one contains an anionic water solubilizing group, e.g., carboxy, sulfonate, sulfate, phosphate, or phosphonate.
  • Betaine and sultaine surfactants are exemplary zwitterionic surfactants for use herein.
  • a general formula for these compounds is:
  • R 1 contains an alkyl, alkenyl, or hydroxyalkyl radical of from 8 to 18 carbon atoms having from 0 to 10 ethylene oxide moieties and from 0 to 1 glyceryl moiety;
  • Y is selected from the group consisting of nitrogen, phosphorus, and sulfur atoms;
  • R 2 is an alkyl or monohydroxy alkyl group containing 1 to 3 carbon atoms;
  • x is 1 when Y is a sulfur atom and 2 when Y is a nitrogen or phosphorus atom,
  • R 3 is an alkylene or hydroxy alkylene or hydroxy alkylene of from 1 to 4 carbon atoms and Z is a radical selected from the group consisting of carboxylate, sulfonate, sulfate, phosphonate, and phosphate groups.
  • Examples of zwitterionic surfactants having the structures listed above include: 4- [N, N-di (2-hydroxyethyl) -N-octadecylammonio] -butane-1-carboxylate; 5- [S-3-hydroxypropyl-S-hexadecylsulfonio] -3-hydroxypentane-1-sulfate; 3- [P, P-diethyl-P-3, 6, 9-trioxatetracosanephosphonio] -2-hydroxypropane-1-phosphate; 3- [N, N-dipropyl-N-3-dodecoxy-2-hydroxypropyl-ammonio] -propane-1-phosphonate; 3- (N, N-dimethyl-N-hexadecylammonio) -propane-1-sulfonate; 3- (N, N-dimethyl-N-hexadecylammonio) -2-hydroxy-propane
  • the zwitterionic surfactant suitable for use in the present compositions includes a betaine of the general structure:
  • betaines typically do not exhibit strong cationic or anionic characters at pH extremes, nor do they show reduced water solubility in their isoelectric range. Unlike “external” quaternary ammonium salts, betaines are compatible with anionics.
  • betaines examples include coconut acylamidopropyldimethyl betaine; hexadecyl dimethyl betaine; C 12-14 acylamidopropylbetaine; C 8-14 acylamidohexyldiethyl betaine; 4-C 14-16 acylmethylamidodiethylammonio-1-carboxybutane; C 16-18 acylamidodimethylbetaine; C 12-16 acylamidopentanediethylbetaine; and C 12-16 acylmethylamidodimethylbetaine.
  • Sultaines useful in the present disclosure include those compounds having the formula (R (R 1 ) 2 N + R 2 SO 3- , in which R is a C 6 -C 18 hydrocarbyl group, each R 1 is typically independently C 1 -C 3 alkyl, e.g., methyl, and R 2 is a C 1 -C 6 hydrocarbyl group, e.g., a C 1 -C 3 alkylene or hydroxyalkylene group.
  • compositions may optionally include one or more chelating agents.
  • chelating agents are compounds capable of coordinating (i.e., binding) metal ions commonly found in hard or natural water to prevent the metal ions from interfering with the action of the other detersive ingredients of an antimicrobial multi-purpose composition.
  • Suitable chelants can comprise an organic water conditioning agent including polymeric and small molecule water conditioning agents.
  • Organic small molecule water conditioning agents are typically organocarboxylate compounds or organophosphate water conditioning agents.
  • Polymeric inhibitors commonly comprise polyanionic compositions such as polyacrylic acid compounds (PAA) .
  • Preferred small molecule organic water conditioning agents include, but are not limited to: sodium gluconate, sodium glucoheptonate, N-hydroxyethylenediaminetriacetic acid (HEDTA) , ethylenediaminetetraacetic acid (EDTA) , nitrilotriacetic acid (NTA) , diethylenetriaminepentaacetic acid (DTPA) , ethylenediaminetetraproprionic acid, triethylenetetraaminehexaacetic acid (TTHA) , and the respective alkali metal, ammonium and substituted ammonium salts thereof, ethylenediaminetetraacetic acid tetrasodium salt (EDTA) , nitrilotriacetic acid trisodium salt (NTA) , ethanoldiglycine disodium salt (EDG) , diethanolglycine sodium-salt (DEG) , and 1, 3-propylenediaminetetraacetic acid (PDTA) , dicarboxymethyl gluta
  • Preferred inorganic water conditioning agents include, but are not limited to, sodium tripolyphosphate and other higher linear and cyclic polyphosphates species.
  • Suitable condensed phosphates include sodium and potassium orthophosphate, sodium and potassium pyrophosphate, sodium tripolyphosphate, and sodium hexametaphosphate.
  • a condensed phosphate may also assist, to a limited extent, in solidification of the solid detergent composition by fixing the free water present in the composition as water of hydration.
  • a preferred phosphonate combination is ATMP and DTPMP.
  • a neutralized or alkaline phosphonate, or a combination of the phosphonate with an alkali source before 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.
  • the compositions are substantially free of phosphates and/or phosphonates.
  • the compositions may include one or more chelating agents in an amount of from about 1 wt. %to about 50 wt. %, inclusive of all integers within this range.
  • compositions optionally can further be combined with various functional components suitable for use in laundering applications.
  • the cleaning composition including the acrylic acid polymers, water, stabilizing agents (chelants) and water conditioning polymers make up a large amount, or even substantially all of the total weight of the cleaning composition. For example, in some embodiments few or no additional functional ingredients are disposed therein.
  • additional functional ingredients may be included in the compositions.
  • the functional ingredients provide desired properties and functionalities to the compositions.
  • the term "functional ingredient” includes a material that when dispersed or dissolved in a use or concentrate solution, such as an aqueous solution, provides a beneficial property in a particular use.
  • Additional functional ingredients may include further defoaming agents, bleaching agents or optical brighteners, solubility modifiers, buffering agents, dye transfer inhibiting agents, dispersants, stabilizing agents, sequestrants or chelating agents to coordinate metal ions and control water hardness, fragrances or dyes, rheology modifiers or thickeners, hydrotropes or couplers, buffers, solvents and the like.
  • the compositions include from about 0 wt. %to about 75 wt. %additional functional ingredients, from about 1 wt. %to about 50 wt. %additional functional ingredients, from about 5 wt. %to about 10 wt. %additional functional ingredients, or from about 0.1 wt. %to about 5 wt. %additional functional ingredients, inclusive of all integers within these ranges.
  • compositions can optionally comprise a colorant.
  • Preferred colorants include natural and synthetic colorants or dyes.
  • the colorant comprises FD&C Blue 1 (Sigma Chemical) , FD&C Yellow 5 (Sigma Chemical) , 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 (Keyston 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) , or a combination thereof.
  • the colorant or dye may comprise dyes which are generally recognized as safe. Suitable dyes include, but are not limited to, FDC Blue #1, FDC Blue #2, FDC Green #3, FDC Red #3, FDC Red #4, FDC Red #40, Violet #1, FDC Yellow #5, and FDC Yellow #6.
  • the colorant may be present in an amount of between about 0.001 wt. %and about 5 wt. %, more preferably between about 0.01 wt. %and about 2 wt. %, most preferably between about 0.1 wt. %and about 1 wt. %, inclusive of all integers within these ranges.
  • the finishing composition can optionally comprise a fragrance.
  • fragrances include natural and synthetic fragrances and perfumes.
  • the fragrance comprises terpenoids such as citronellol, aldehydes such as amyl cinnamaldehyde, a jasmine such as C1S-jasmine or jasmal, vanillin, and the like, or a mixture thereof.
  • one or more solidification agents may be included into the composition.
  • the solidification agent can form or maintain the composition as a solid rinse aid composition.
  • the solidification agent can solidify the composition without unacceptably detracting from the eventual release of the active ingredients.
  • the solidification agent can include, for example, an organic or inorganic solid compound having a neutral inert character or making a functional, stabilizing or detersive contribution to the present composition.
  • Suitable solidification agents include solid polyethylene glycol (PEG) , solid polypropylene glycol, solid EO/PO block copolymer, amide, urea (also known as carbamide) , nonionic surfactant (which can be employed with a coupler) , anionic surfactant, starch that has been made water-soluble (e.g., through an acid or alkaline treatment process) , cellulose that has been made water-soluble, inorganic agent, poly (maleic anhydride/methyl vinyl ether) , polymethacrylic acid, other generally functional or inert materials with high melting points, mixtures thereof, and the like.
  • PEG solid polyethylene glycol
  • solid polypropylene glycol solid EO/PO block copolymer
  • amide also known as carbamide
  • anionic surfactant which can be employed with a coupler
  • starch that has been made water-soluble (e.g., through an acid or alkaline treatment process)
  • cellulose that has been made water-soluble, in
  • Suitable glycol solidification agents include a solid polyethylene glycol or a solid polypropylene glycol, which can, for example, have molecular weight of about 1, 400 to about 30,000.
  • the solidification agent includes or is solid PEG, for example PEG 1500 up to PEG 20,000.
  • the PEG includes PEG 1450, PEG 3350, PEG 4500, PEG 8000, PEG 20,000, and the like.
  • Suitable solid polyethylene glycols are commercially available from Union Carbide under the tradename Carbowax.
  • Suitable amide solidification agents include stearic monoethanolamide, lauric diethanolamide, stearic diethanolamide, stearic monoethanol amide, coco diethylene amide, an alkylamide, urea, or a combination thereof.
  • Suitable inorganic solidification agents include phosphate salt (e.g., alkali metal phosphate) , sulfate salt (e.g., magnesium sulfate, sodium sulfate or sodium bisulfate) , acetate salt (e.g., anhydrous sodium acetate) , Borates (e.g., sodium borate) , Silicates (e.g., the precipitated or fumed forms (e.g., Sipernat available from Degussa) , carbonate salt (e.g., calcium carbonate or carbonate hydrate) , other known hydratable compounds, mixtures thereof, and the like.
  • the inorganic solidification agent can include organic phosphonate compound and carbonate salt, such as an E-Form composition.
  • the one or more solidification agents may be present in an amount of between about 1 wt. %to about 99 wt. %, between about 5 wt. %to about 90 wt. %, or between about 15%to about 70 wt. %, inclusive of all integers within these ranges.
  • the compositions can optionally include an additional antimicrobial or sanitizing agent.
  • Sanitizing agents also known as antimicrobial agents are chemical compositions that can be used in a solid functional material to prevent microbial contamination and deterioration of material systems, surfaces, etc. Generally, these materials fall in specific classes including phenolics, halogen compounds, quaternary ammonium compounds, metal derivatives, amines, alkanol amines, nitro derivatives, analides, organosulfur and sulfur-nitrogen compounds and miscellaneous compounds.
  • active oxygen compounds such as those discussed above in the bleaching agents section, may also act as antimicrobial agents, and can even provide sanitizing activity.
  • the ability of the active oxygen compound to act as an antimicrobial agent reduces the need for additional antimicrobial agents within the composition.
  • NaDCC has been demonstrated to provide excellent antimicrobial action. Nonetheless, some embodiments incorporate additional antimicrobial agents.
  • the given antimicrobial agent may simply limit further proliferation of numbers of the microbe or may destroy all or a portion of the microbial population.
  • the terms “microbes” and “microorganisms” typically refer primarily to bacteria, virus, yeast, spores, and fungus microorganisms.
  • the antimicrobial agents are typically formed into a solid functional material that when diluted and dispensed, optionally, for example, using an aqueous stream forms an aqueous disinfectant or sanitizer composition that can be contacted with a variety of surfaces resulting in prevention of growth or the killing of a portion of the microbial population. A three log reduction of the microbial population results in a sanitizer composition.
  • common antimicrobial agents include phenolic antimicrobials such as pentachlorophenol, orthophenylphenol, a chloro-p-benzylphenol, p-chloro-m-xylenol.
  • Halogen containing antibacterial agents include sodium trichloroisocyanurate, sodium dichloro isocyanate (anhydrous or dihydrate) , iodine-poly (vinylpyrolidinone) complexes, bromine compounds such as 2-bromo-2-nitropropane-1, 3-diol, and quaternary antimicrobial agents such as benzalkonium chloride, didecyldimethyl ammonium chloride, choline diiodochloride, tetramethyl phosphonium tribromide.
  • antimicrobial compositions such as hexahydro-1, 3, 5-tris (2-hydroxyethyl) -s--triazine, dithiocarbamates such as sodium dimethyldithiocarbamate, and a variety of other materials are known in the art for their antimicrobial properties.
  • the cleaning composition comprises, an antimicrobial component in the range of up to about 25 wt. %of the composition, in some embodiments in the range of up to about 10 wt. %, or in some embodiments, in the range of about 0.01 wt. %to about 3 wt. %, or in the range of about 0.05 wt. %to about 1 wt. %of the composition, inclusive of all integers within these ranges.
  • an optical brightener component may be utilized in the compositions.
  • the optical brightener can include any brightener that is capable of lessening graying and yellowing of textiles. Typically, these substances attach to the fibers and bring about a brightening action by converting invisible ultraviolet radiation into visible longer-wavelength light, the ultraviolet light absorbed from sunlight being irradiated as a pale bluish fluorescence and, together with the yellow shade of the grayed or yellowed laundry, producing pure white.
  • Fluorescent compounds belonging to the optical brightener family are typically aromatic or aromatic heterocyclic materials often containing condensed ring systems.
  • An important feature of these compounds is the presence of an uninterrupted chain of conjugated double bonds associated with an aromatic ring. The number of such conjugated double bonds is dependent on substituents as well as the planarity of the fluorescent part of the molecule.
  • Most brightener compounds are derivatives of stilbene or 4, 4’-diamino stilbene, biphenyl, five membered heterocycles (triazoles, oxazoles, imidazoles, etc. ) or six membered heterocycles (cumarins, naphthalamides, triazines, etc. ) .
  • optical brighteners which may be useful in the present disclosure can be classified into subgroups, which include, but are not necessarily limited to, derivatives of stilbene, pyrazoline, coumarin, carboxylic acid, methinecyanines, dibenzothiophene-5, 5-dioxide, azoles, 5-and 6-membered-ring heterocycles and other miscellaneous agents. Examples of these types of brighteners are disclosed in “The Production and Application of Fluorescent Brightening Agents, ” M. Zahradnik, Published by John Wiley &Sons, New York (1982) , the disclosure of which is incorporated herein by reference.
  • Stilbene derivatives that may be useful in the present disclosure include, but are not necessarily limited to, derivatives of bis (triazinyl) amino stilbene; bisacylamino derivatives of stilbene; triazole derivatives of stilbene; oxadiazole derivatives of stilbene; oxazole derivatives of stilbene; and styryl derivatives of stilbene.
  • optical brighteners include stilbene derivatives.
  • optical brighteners include, but are not limited to, the classes of substance of 4, 4'-diamino-2, 2'-stilbenedisulfonic acids (flavonic acids) , 4, 4'-distyrylbiphenyls, methylumbelliferones, coumarins, dihydroquinolinones, 1, 3-diarylpyrazolines, naphthalimides, benzoxazol, benzisoxazol and benzimidazol systems, and pyrene derivatives substituted by heterocycles, and the like.
  • Suitable optical brightener levels include lower levels of from about 0.01, from about 0.05, from about 0.1 or even from about 0.2 wt. %to upper levels of 0.5 or even 5 wt. %.
  • the methods of cleaning are particularly well suited for soil/stain removal and sanitization, and further for bleaching/brightening textiles without leading to textile degradation.
  • the methods employ a 2-in-1 composition, meaning that a separate bleaching step is not required when using the compositions disclosed herein.
  • the methods described herein may remove a variety of soils, including stubborn tea stains, that accumulate on any type of textiles, namely any item or article made from or including natural fabrics, synthetic fabrics, woven fabrics, non-woven fabrics, and knitted fabrics.
  • the textile materials can include natural or synthetic fibers such as silk fibers, linen fibers, cotton fibers, hemp fibers, angora fibers, bamboo fibers, polyester fibers, polyamide fibers such as nylon, acrylic fibers, acetate fibers, wool, rayon, cashmere, satin, spandex, and blends thereof, including cotton and polyester blends.
  • the fibers can be treated or untreated. Exemplary treated fibers include those treated for flame retardancy. It should be understood that the term “linen” describes a type of material derived from flax plants that is often used in certain types of laundry items including bed sheets, pillowcases, towels, table linen, tablecloth, bar mops and uniforms.
  • the methods of cleaning include contacting a textile in need of removing soils, particularly stubborn tea stains. Any means of contacting can be used to place the textile surface in contact with the compositions, including for example, soaking, spraying, dripping, wiping, or the like. Included within the scope of contacting described herein, the textile can also be soaked, including a pretreatment, with the compositions. As a result of the contacting step the textile is washed, and the soils removed.
  • a concentrate can be sprayed onto a textile surface or provided in water as part of a pre-treatment.
  • the contacting time may vary about 10 seconds to six hours, for example 1 minute to four hours, 10 minutes to two hours, 15 minutes to an hour, inclusive of all integers within this range.
  • the pre-treatment may last as long as several hours (e.g., overnight soak) .
  • the method of cleaning may comprise a first step of diluting or creating a use solution (such as from a solid) as part of the methods.
  • An exemplary dilution step includes contacting the solid composition with water or other suitable solvent.
  • the washing process comprises a pre-wash or pre-soak where the textiles are wetted, and a pre-soak composition is added.
  • the wash phase follows the pre-soak phase; the compositions described herein are added to the wash tank to facilitate soil removal.
  • a bleach phase follows the wash phase in order to remove oxidizable stains and whiten the textiles.
  • the rinsing phase removes all suspended soils.
  • a laundry sour is added in a souring or finishing phase to neutralize any residual alkalinity from the composition or complete and post-treatment of the textiles needed.
  • a fabric softener or other finishing chemical like a starch is also added in the finishing step.
  • a wash cycle may have two rinse and extraction phases, i.e., a rinse cycle, an intermediate-extract cycle, a final rinse cycle, and a final extraction cycle.
  • a rinse cycle i.e., an intermediate-extract cycle
  • a final rinse cycle i.e., a final extraction cycle
  • the resulting wastewater is typically removed and discarded.
  • the compositions are typically contacted with the textiles in a pre-treatment or wash phase, the compositions can be contacted with the textiles during any one or more parts of the wash cycle.
  • compositions disclosed herein may be contacted with the textiles during any phase of the wash cycle.
  • the compositions are diluted with water and contacted with the textiles during the pre-soak/pre-wash phase or the wash phase, still more preferably during the wash phase.
  • the composition is added during the bleaching phase.
  • the composition is not added in the softening or souring phase.
  • compositions after the compositions are contacted with the textiles, some of the composition remains on the surface of the textile for two or three more cycles, beneficially preventing soil-redeposition and aiding in soil removals.
  • compositions When the compositions are diluted, they are diluted to a concentration of between about 0.1 g/L to about 10 g/L, preferably between about 2 g/L to about 2.5 g/L.
  • the compositions will contact the textile to be cleaned for a sufficient amount of time to remove the soils, including from a few seconds to a few hours, including all ranges therebetween.
  • the composition contacts the textiles for at least about 15 seconds, at least about 30 seconds, at least about 45 seconds, or at least about 60 seconds.
  • the composition contacts the textiles for at least about 1 minute, at least about 2 minutes, at least about 3 minutes, at least about 4 minutes, or at least about 5 minutes.
  • compositions described herein are also useful for removing soils and/or stains from a variety of hard surfaces.
  • the compositions are particularly well suited for removing fatty soils/stains, oily soils/stains, protein soils/stains, coffee, and tea from hard surfaces.
  • the compositions are also useful for sanitizing or killing one or more microbial populations found on a hard surface.
  • the methods of use involve contacting the compositions described herein with a hard surface in need of cleaning.
  • the contacting may involve contacting the compositions described herein with a food contact or non-food contact hard surface, or food processing surface.
  • compositions are preferably provided as a solid and contacted with water (or another diluent) to form a use solution.
  • the use solution is then contacted with a hard surface to be cleaned.
  • the compositions disclosed herein may also optionally be provided as a liquid. However, a solid form of the composition (e.g., powder, tablet, etc. ) is preferred.
  • the various methods by which the compositions can be applied can include any conventional application means. Suitable applications can include, for example, by wiping, spraying, pouring, mopping, dipping, immersing, or the like.
  • the contacting can also include providing a solid to be first dissolved in water to form a solution for the contacting.
  • the contacting step allows the composition to contact the surface for a predetermined amount of time. The amount of time can be sufficient to allow soil removal, soil detachment/loosening or stain removal, including from a few seconds to 6 hours, from about 30 seconds to about 15 minutes, from about 60 seconds to about 10 or 20 minutes, or any range therebetween.
  • the methods may comprise a single step of applying the composition onto the surface without direct physical removal, such as a rinse step.
  • the compositions can be on a wipe such that the wipe can be applied to a surface.
  • the wipe may be comprised of a polyester, a polypropylene, a polyamide, a cellulose, a rayon, cotton, or a blend or combination thereof.
  • the methods can further include a precleaning step, such as where the surface to be cleaned is wiped, rinsed, or the link, sand thereafter the compositions are applied to the surface.
  • a precleaning step such as where the surface to be cleaned is wiped, rinsed, or the link, sand thereafter the compositions are applied to the surface.
  • Example formulations were prepared according to table 4 and table 4 below.
  • Table 4 provides an embodiment of a 2-in-1 detergent and bleaching composition
  • Table 5 provides an embodiment of a 2-in-1 destaining and disinfecting composition.
  • 2-in-1 destaining composition were prepared and evaluated for their antimicrobial efficacy.
  • Bacteria Quantitative Suspension Test The concentration of bacterial suspension was 1 ⁇ 10 8 cfu/ml ⁇ 5 ⁇ 10 8 cfu/ml.
  • 0.5 ml organic interference (3%BSA solution) was added to 0.5 ml bacterial suspension and placed in a 20°C water bath for 5 mins. Then 4 ml of the test solution was added and reacted. After reaction, 0.5 ml of the test bacteria and test solution mixture were added to 4.5 ml of a sterilized neutralizer, and mixed. After 10 minutes, 1 ml sample was used to detect TPC (total plate count) . The samples were incubated at 37°C for 48 hours. The results are shown in Table 6.
  • compositions of the present disclosure provide greater than 6 log kill against E. coli at concentrations as low as 200 ppm chlorine. Greater than 6 log kill is demonstrated against S. aureus at concentrations as low as 400 ppm chlorine. The compositions therefore have excellent antimicrobial efficacy at very low concentrations of chlorine.
  • compositions of Example 2 were also evaluated for their stain removal efficacy.
  • the 2-in-1 compositions of the present disclosure were compared to a conventional de-staining composition. Textiles were soiled with three different soils types (specifically an oily soil, a fatty soil, a protein soil, and coffee/tea) and the soil was allowed to dry. The soiled textiles were then contacted with varying concentrations of aqueous use solutions of the compositions according to the disclosure or a commercially available destainer for a period of 10-30 minutes. The contacting occurred at a variety of temperatures, including room temperature (20°C) , 40-50°C, and 60°C. A listing of the test conditions and results for three rounds of destaining tests is provided in Table 7 below.
  • 2-in-1 detergent and bleaching compositions were prepared and evaluated for their cleaning performance. Three compositions according to the present disclosure were prepared and they were compared to two types of commercially available detergents and bleaches.
  • Grill cloths were soiled with one or more of oil, fat, protein, and coffee/tea and then contacted with the cleaning compositions. Cleaning performance was determined based on percent soil removal from a textile. Efficacy was evaluated at 60°C, 40°C and at room temperature (20°C) . Percent soil removal was calculated according to the following formula:
  • L 0 refers to brightness before cleaning and L 1 refers to brightness after cleaning. Brightness was calculated using HunterLab EasyMatch. The results of this analysis are shown in Figure 1.
  • the 2-in-1 formulation containing chlorine provided at least comparable cleaning efficacy as the commercially available compositions. This is significant because the commercially available compositions evaluated each required the use of a separate detergent and a separate bleach.
  • compositions according to the present disclosure were prepared and evaluated for their stability.
  • a clean cloth was soaked in 100 ppm of a disinfectant formulation for 30 minutes in order to observe whether phase separation occurred, i.e., whether oil soaked out on the solution surface.
  • phase separation occurred i.e., whether oil soaked out on the solution surface.
  • compositions of the present application particularly those utilizing chlorine, maintain excellent stability at room temperature.
  • existing formulations demonstrated poor stability.
  • Example 4 The compositions of Example 4 were evaluated for their impact on textile durability. A common drawback of many bleaching and whitening compositions is that they degrade the textile, leading to a shorter life span of the textile. Therefore, it is important that a cleaning and/or bleaching composition provide effective soil removal without damaging the textile, or causing minimal damage to the textile. Textile degradation was evaluated by subjecting textiles to five wash cycles at 60°C. The results are shown in Table 11.
  • compositions of the present application do not result in an obvious change in the quality of the textile.
  • at least one of the control compositions resulted in degradation to the textile.
  • compositions of Example 4 were also evaluated for chlorine stability over time.
  • Chlorine bleaches are known to demonstrate poor stability in detergent compositions, particularly in solid compositions.
  • the chlorine source is sensitive to temperature, light, and reaction with other materials (e.g., other parts of the composition, organic matter) .
  • the compositions according to the present disclosure were compared to commercially available compositions and a chlorine control.
  • the chlorine control establishes a baseline for the maximum chlorine available.
  • the chlorine content of 100 ppm of each composition was evaluated after four hours. The results are shown in Figure 3.
  • the chlorine control solution contained approximately 81 ppm chlorine.
  • the chlorine containing compositions according to the present disclosure contained between 78-80 ppm.
  • the commercially available formulations contained as low as 71 ppm chlorine after four hours.
  • stain removing efficacy of chlorine was compared with a peracid and hydrogen peroxide.
  • stain removal was assessed for stubborn black tea stains.
  • Stain removal efficacy was evaluated based on a visual comparison of textiles treated with the compositions. The results of the evaluation are shown in Table 12 below.
  • the chlorine-containing compositions performed substantially better than compositions comprising a peracid or hydrogen peroxide, and no chlorine.
  • the chlorine compositions of the present disclosure provided very good stain removal at room temperature at concentrations as low as 200 ppm. Further, effective stain removal occurred at room temperature in as little as 8 minutes. It is an advantage that the compositions of the application provide effective removal of very stubborn stains at room temperature and in 10 minutes or less after contacting.

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Abstract

L'invention concerne des compositions de nettoyage à fonctions multiples solides utiles pour nettoyer des textiles et des surfaces dures et comprenant une ou plusieurs sources d'alcalinité, un ou plusieurs tensioactifs, un agent de blanchiment et éventuellement un ou plusieurs éléments parmi un agent anti-redéposition, une charge ou un épaississant, ainsi que des procédés d'utilisation des compositions pour éliminer les salissures, éliminer les taches, désinfecter les textiles, blanchir les textiles, ou une combinaison de ceux-ci. Avantageusement, les compositions présentent une excellente efficacité de nettoyage et de blanchiment à température ambiante et à de faibles concentrations d'agents actifs.
PCT/CN2022/099697 2022-06-20 2022-06-20 Composition solide pour le nettoyage, le blanchiment et la désinfection WO2023245313A1 (fr)

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PCT/CN2022/099697 WO2023245313A1 (fr) 2022-06-20 2022-06-20 Composition solide pour le nettoyage, le blanchiment et la désinfection
CN202310486379.0A CN117264698A (zh) 2022-06-20 2023-04-28 用于清洁、漂白和消毒的固体组合物

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1241970A (en) * 1967-10-31 1971-08-11 Colgate Palmolive Co Bleaching compositions
US4681914A (en) * 1985-04-30 1987-07-21 Ecolab Inc. Solid cast detergents containing encapsulated halogen bleaches and methods of preparation and use
US4772414A (en) * 1986-07-24 1988-09-20 Ppg Industries, Inc. Bleaching composition
WO1998030672A1 (fr) * 1997-01-10 1998-07-16 Reckitt & Colman South Africa (Pty) Limited Compositions organiques ameliorees ou ameliorations relatives a ces compositions
US20140100153A1 (en) * 2012-10-04 2014-04-10 Ecolab Usa Inc. Pre-soak technology for laundry and other hard surface cleaning

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1241970A (en) * 1967-10-31 1971-08-11 Colgate Palmolive Co Bleaching compositions
US4681914A (en) * 1985-04-30 1987-07-21 Ecolab Inc. Solid cast detergents containing encapsulated halogen bleaches and methods of preparation and use
US4772414A (en) * 1986-07-24 1988-09-20 Ppg Industries, Inc. Bleaching composition
WO1998030672A1 (fr) * 1997-01-10 1998-07-16 Reckitt & Colman South Africa (Pty) Limited Compositions organiques ameliorees ou ameliorations relatives a ces compositions
US20140100153A1 (en) * 2012-10-04 2014-04-10 Ecolab Usa Inc. Pre-soak technology for laundry and other hard surface cleaning

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