EP3540033B1 - Verfahren zur reinigung und etikettentfernung für flaschen - Google Patents

Verfahren zur reinigung und etikettentfernung für flaschen Download PDF

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Publication number
EP3540033B1
EP3540033B1 EP19171824.6A EP19171824A EP3540033B1 EP 3540033 B1 EP3540033 B1 EP 3540033B1 EP 19171824 A EP19171824 A EP 19171824A EP 3540033 B1 EP3540033 B1 EP 3540033B1
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EP
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Prior art keywords
preferred
liquid cleaning
acid
salt
cleaning composition
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EP19171824.6A
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English (en)
French (fr)
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EP3540033C0 (de
EP3540033B9 (de
EP3540033A1 (de
Inventor
Claudia Caussin De Schneck
Sandro Grossmann
Tanja Hackenberger
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Ecolab USA Inc
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Ecolab USA Inc
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Priority to EP19171824.6A priority Critical patent/EP3540033B9/de
Priority to PL19171824.6T priority patent/PL3540033T3/pl
Publication of EP3540033A1 publication Critical patent/EP3540033A1/de
Publication of EP3540033B1 publication Critical patent/EP3540033B1/de
Publication of EP3540033C0 publication Critical patent/EP3540033C0/de
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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
    • C11D1/66—Non-ionic compounds
    • C11D1/72—Ethers of polyoxyalkylene glycols
    • 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
    • C11D1/42—Amino alcohols or amino ethers
    • C11D1/44—Ethers of polyoxyalkylenes with amino alcohols; Condensation products of epoxyalkanes with amines
    • 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
    • C11D1/66—Non-ionic compounds
    • C11D1/72—Ethers of polyoxyalkylene glycols
    • C11D1/721—End blocked 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
    • C11D1/66—Non-ionic compounds
    • C11D1/722—Ethers of polyoxyalkylene glycols having mixed oxyalkylene groups; Polyalkoxylated fatty alcohols or polyalkoxylated alkylaryl alcohols with mixed oxyalkylele groups
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/825—Mixtures of compounds all of which are non-ionic
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/835—Mixtures of non-ionic with 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
    • C11D3/044—Hydroxides or bases
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2075—Carboxylic acids-salts thereof
    • C11D3/2086—Hydroxy carboxylic acids-salts thereof
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/36—Organic compounds containing phosphorus
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/36—Organic compounds containing phosphorus
    • C11D3/361—Phosphonates, phosphinates or phosphonites
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/36—Organic compounds containing phosphorus
    • C11D3/362—Phosphates or phosphites
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/36—Organic compounds containing phosphorus
    • C11D3/364—Organic compounds containing phosphorus containing nitrogen
    • 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
    • C11D3/3765—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions in liquid compositions
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/02—Inorganic compounds
    • C11D7/04—Water-soluble compounds
    • C11D7/06—Hydroxides
    • 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
    • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/22—Organic compounds
    • C11D7/26—Organic compounds containing oxygen
    • C11D7/265—Carboxylic acids or salts thereof
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/22—Organic compounds
    • C11D7/36—Organic compounds containing phosphorus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B2220/00—Type of materials or objects being removed
    • B08B2220/01—Adhesive materials
    • 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
    • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/10—Objects to be cleaned
    • C11D2111/14—Hard surfaces
    • C11D2111/18—Glass; Plastics
    • 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
    • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/10—Objects to be cleaned
    • C11D2111/14—Hard surfaces
    • C11D2111/24—Mineral surfaces, e.g. stones, frescoes, plasters, walls or concretes

Definitions

  • the present invention relates to a process for cleaning glass, ceramic, metal and/or plastic ware, in particular bottles.
  • the present invention is directed to an improved method for cleaning bottles comprising the removal of bottle labels in a bottle cleaning plant.
  • DE 199 06 660 A1 refers to a dishwashing detergent for commercial dishwashing machines, with starch-degrading effect based on a strongly alkaline materials, with a content of 10-80 wt.-% caustic alkalis, 0.1-20 wt.-% organophosphonates, optionally polycarboxylates and surfactants, which 0.5 -20 wt.-% sodium and / or potassium gluconate is added.
  • US 5 622 569 A refers to a method for cleaning and modifying the surface of aluminum container sheet to make improved food can bodies and/or beverage can ends therefrom.
  • the lowering of magnesium levels on an aluminum oxide surface and through the oxide-metal interface of this sheet, and deposition of at least some phosphorus-containing complex thereon produces container sheet that exhibits improved corrosion performance.
  • the method comprises contacting said container sheet for less than 20 seconds with a cleaner which preferably includes: 1.0-10.0 wt. % (10.0-100.0 g/L) of sodium carbonate; 0.1-2.5 wt. % (1.0-25.0 g/L) of sodium hydroxide, said cleaner including a total carbonate and hydroxide concentration in excess of 3.0 wt.
  • % (30.0 g/L); 0.1-2.5 wt. % (1.0-25.0 g/L) of sodium gluconate; 0.1-2.0 wt. % (1.0-20.0 g/L) of a compound containing 1-hydroxyethylidene-1,1-diphosphonic acid (or "HEDP"); and 0.05-1.0 wt. % (0.5-10.0 g/L) of an alkylphenoxypolyethoxyethanol-based surfactant, the balance water and incidental impurities.
  • HEDP 1-hydroxyethylidene-1,1-diphosphonic acid
  • US 4 388 205 A refers to a liquid phosphate-free wash additive composition
  • a liquid phosphate-free wash additive composition comprises an aqueous solution of the following active compounds: (A) 100 parts by weight of a polycarboxylic acid in the salt form (B) 2 to 400 parts by weight of an alkali metal gluconate or glucoheptonate (C) 20 to 700 parts by weight of an alkali metal metasilicate, and (D) 10 to 150 parts by weight of an alkali metal hydroxide.
  • DE 13 02 882 B refers to a methods and composition for cleaning bottels comprising phosphoric acid, gluconic acid and NaOH.
  • WO 2010/045686 A1 refers to an in-place cleaning (CIP) method for food and/or beverage processing equipment, such as milk processing equipment, fouled with a foulant such as milk fouling.
  • the method comprises the steps of treating the foulant with an acidic solution to remove metal ions from the foulant and basifying the acidic solution thereby contacting the treated foulant with a basic solution to remove at least some of the treated foulant.
  • the acidic solution and/or the basic solution comprise at least one chelant in an amount sufficient to stabilise metal ions in the basic solution following the pH inversion.
  • the object addressed by the present invention is to provide a cleaning process that minimizes energy consumption for cleaning glass, ceramic, metal and/or plastic ware, such as bottles, preferably in a bottle cleaning plant, while still providing adequate soil removal and excellent label removal properties.
  • a process for washing and/or label removal of glass, ceramic, metal or plastic ware with a liquid cleaning composition at a process temperature below 80° C wherein the liquid cleaning composition comprises active components in an amount of ⁇ 0.001wt.- % to ⁇ 10 wt.-% and an alkaline source in an amount of ⁇ 0.5 wt.-% to ⁇ 3.5 wt.-%, wherein the active components comprising:
  • the weight amount (wt.-%) is calculated on the total weight amount of the liquid cleaning composition, if not otherwise stated.
  • the total weight amount of all components of the liquid cleaning composition does not exceed 100 wt.-%.
  • the liquid cleaning composition may comprise the active components in an amount of ⁇ 0.003wt.-%, preferably of ⁇ 0.006wt.-%, further preferred of ⁇ 0.01wt.-%, in addition preferred of ⁇ 0.05 wt.-%, also preferred of ⁇ 0. lwt.-% or furthermore preferred of ⁇ 0.5 wt.-%.
  • the process of the present invention can be used for cleaning and removal of labels of glass, ceramic, metal and/or plastic ware, such as bottles, preferably in a bottle cleaning plant, while still providing adequate soil removal and excellent label removal properties, and minimizes energy consumption.
  • bottle labels can be removed at lower temperatures compared to prior art in a soaking bath, preferably in a soaking bath of a bottle cleaning plant that containing the cleaning composition used in the process of the invention.
  • the active components can be added to the cleaning composition in the form of an acid and/or as a salt thereof.
  • the cleaning composition can be obtained by adding a liquid cleaning additive that comprises the active components.
  • the liquid cleaning additive that comprises the active components can be an acid or alkaline solution.
  • the liquid cleaning additive can be a concentrated solution.
  • the concentrated liquid cleaning additive can be further diluted by admixing a solvent, preferably water.
  • the active components, the liquid cleaning additive and/or liquid cleaning composition of the invention can be free of at least one additive, preferably all additives, selected from the group of dye, color transfer inhibitor, anti-redeposition agents, optical brighteners, builder, oil and water repellant agents, color fastness agents, starch/sizing agents, fabric softening agents, anti-microbials, fungicides, UV absorbers, thickeners, oxidizers, fragrances and/or mixtures thereof.
  • additives selected from the group of dye, color transfer inhibitor, anti-redeposition agents, optical brighteners, builder, oil and water repellant agents, color fastness agents, starch/sizing agents, fabric softening agents, anti-microbials, fungicides, UV absorbers, thickeners, oxidizers, fragrances and/or mixtures thereof.
  • a defined weight ratio of the active components a) of at least one sequestering agent to b) of at least one C 4 to C 18 hydroxymonocarboxylic acid or salts thereof, used according to the method of the invention provides an adequate soil removal and excellent label removal properties at a lower process temperature.
  • the weight ratio of the active components a) of at least one sequestering agent to b) of at least one C 4 to C 18 hydroxymonocarboxylic acid or salts thereof can be in the range of 6 : 1 to 1 : 6, preferably 5 : 1 to 1 : 5, further preferred 4 : 1 to 1 : 4 and more preferred 3 : 1 to 1 : 3.
  • the ratio of components as mentioned is the weight ratio, if not otherwise indicated in the specification.
  • the active components as used according to the method of the invention may comprise in addition an active component c) of at least one phosphoric acid based or phosphate-based component.
  • the active component c) includes preferably phosphoric acid, sodium phosphate, potassium phosphate, pyrophosphoric acid, sodium pyrophosphate, potassium pyrophosphate, and mixtures thereof.
  • the solvent including water, is not considered as an active component.
  • the active components as used according to the method of the invention may comprises in addition an active component d) of at least one amphoteric alkoxylated C 6 to C 24 alcohol amine tenside containing 4 to 18 alkylene oxide units of ethylene oxide and/or propylene oxide or a salt thereof.
  • the process of soil removal and excellent label removal properties at a lower process temperature can be improved by adding to the liquid cleaning composition an active component of at least one non-endcapped nonionic alkoxylated C 6 to C 24 alcohol tenside containing 1 to 30 alkylene oxide units.
  • an active component of at least one alkyl endcapped nonionic alkoxylated C 8 to C 18 alcohol tenside containing 4 to 16 alkylene oxide units of ethylene oxide and/or propylene oxide improve soil removal and excellent label removal properties at a lower process temperature of the process of the invention.
  • active components can be used that comprises in addition d) of at least one amphoteric alkoxylated C 6 to C 24 alcohol amine tenside containing 4 to 18 alkylene oxide units of ethylene oxide and/or propylene oxide or a salt thereof; and of at least one anti-foaming agent, preferably select from the group of silicone based defoamer, and/or of at least one alkyl endcapped nonionic alkoxylated C 8 to C 18 alcohol tenside containing 4 to 16 alkylene oxide units of ethylene oxide and/or propylene oxide.
  • the process according to the invention can be further optimized with respect to the label removal properties if active components are used, wherein the weight ratio of a) the sequestering agent to b) the C 4 to C 18 hydroxymonocarboxylic acid or salts thereof is in the range of 5 : 1 to 1 : 5, preferably 4 : 1 to 1 : 4, further preferred 3 : 1 to 1 : 3, and more preferred 2 : 1 to 1 : 2.
  • the weight ratio of the active components of c) the phosphoric acid based or phosphate-based component to a) the sequestering agent is 10 : 1 to 1 : 10, preferably 5 : 1 to 1 : 5, further preferred 3 : 1 to 1 : 3, also preferred 2 : 1 to 1 : 2, and more preferred 1.5 : 1 to 1.2 : 1.
  • the weight ratio of the active components of d) the amphoteric tenside to b) the C 4 to C 18 hydroxymonocarboxylic acid, or a salt thereof is 10 : 1 to 1 : 10, preferably 5 : 1 to 1 : 5, further preferred 3 : 1 to 1 : 3, also preferred 2 : 1 to 1 : 2, and more preferred 1.7 : 1 to 1.5 : 1.
  • the weight ratio of the active components of f) the alkyl endcapped nonionic tenside to e) the non-endcapped nonionic tenside is 10 : 1 to 1 : 10, preferably 5 : 1 to 1 : 5, further preferred 4 : 1 to 1 : 4, also preferred 3 : 1 to 1 : 3, and more preferred 2.6 : 1 to 2.3 : 1.
  • the active components, the liquid cleaning additive and/or liquid cleaning composition of the invention can be free of the component c) of at least one phosphoric acid based or phosphate-based component.
  • the active components, the liquid cleaning additive and/or liquid cleaning composition of the invention can be free of the component d) of at least at least one amphoteric alkoxylated C 6 to C 24 alcohol amine tenside containing 4 to 18 alkylene oxide units of ethylene oxide and/or propylene oxide or a salt thereof.
  • the active components, the liquid cleaning additive and/or liquid cleaning composition of the invention can be free of at least one non-endcapped nonionic alkoxylated C 6 to C 24 alcohol tenside containing 1 to 30 alkylene oxide units.
  • the active components, the liquid cleaning additive and/or liquid cleaning composition of the invention can be free of at least one alkyl endcapped nonionic alkoxylated C 8 to C 18 alcohol tenside containing 4 to 16 alkylene oxide units of ethylene oxide and/or propylene oxide.
  • the active components, the liquid cleaning additive and/or liquid cleaning composition of the invention can be free of the component c) of at least one phosphoric acid based or phosphate-based component and d) of at least at least one amphoteric alkoxylated C 6 to C 24 alcohol amine tenside containing 4 to 18 alkylene oxide units of ethylene oxide and/or propylene oxide or a salt thereof.
  • the active components, the liquid cleaning additive and/or liquid cleaning composition of the invention can be free of the component c) of at least one phosphoric acid based or phosphate-based component and d) of at least at least one amphoteric alkoxylated C 6 to C 24 alcohol amine tenside containing 4 to 18 alkylene oxide units of ethylene oxide and/or propylene oxide or a salt thereof and of at least one non-endcapped nonionic alkoxylated C 6 to C 24 alcohol tenside containing 1 to 30 alkylene oxide units.
  • the active components, the liquid cleaning additive and/or liquid cleaning composition of the invention can be free of the component d) of at least at least one amphoteric alkoxylated C 6 to C 24 alcohol amine tenside containing 4 to 18 alkylene oxide units of ethylene oxide and/or propylene oxide or a salt thereof and of at least one non-endcapped nonionic alkoxylated C 6 to C 24 alcohol tenside containing 1 to 30 alkylene oxide units.
  • the active components used in the process of the invention may be added in form of a concentrate or in a diluted form to an alkaline solution to provide the liquid cleaning composition.
  • a concentrated liquid cleaning additive can be diluted with a solvent, preferably water, to its diluted form.
  • the diluted liquid cleaning additive can be added to an alkaline solution to obtain the liquid cleaning composition.
  • a liquid cleaning composition can be used in the process of the invention for cleaning residues such as soil, mold, dead yeast cells and there like of glass, ceramic or plastic ware and label removal at a process temperature below 80° C.
  • Suitable bottle cleaning plants that can be used in the process of the invention are for example a single-end-bottle washer or a double-end-bottle washer.
  • the liquid cleaning additive can be presented in a diluted form.
  • a diluted liquid cleaning additive that can be used in the process of the invention comprises ⁇ 0.01wt.-% to ⁇ 10 wt.- %, preferably ⁇ 0.05wt.-% to ⁇ 5 wt.-%, further preferred ⁇ 0.1wt.-% to ⁇ 2 wt.-%, also preferred ⁇ 0.15 wt.-% to ⁇ 1 wt.-%, in addition preferred ⁇ 0.2 wt.-% to ⁇ 0.5 wt.-%, furthermore preferred ⁇ 0.25wt.-% to ⁇ 0.5 wt.-%, and more preferred ⁇ 0.3wt.-% to ⁇ 0.4 wt.-% of the concentrated additive and at least one solvent, preferably water, is added add. 100 wt.-%.
  • a liquid cleaning composition comprising an alkaline source can be used having a pH in the range of ⁇ 10 pH, preferably ⁇ 12 pH and more preferred ⁇ 13 pH to ⁇ 14 pH.
  • the cleaning composition can be obtained by adding the active components to an alkaline solution.
  • the liquid cleaning composition can be obtained by adding the active components or a liquid cleaning additive, preferably a concentrated and more preferred a diluted liquid cleaning additive, to an alkaline solution.
  • the liquid cleaning composition can be an alkaline solution containing the active components.
  • the pH of the liquid cleaning composition used in the process of the invention is in the range of ⁇ 10 pH, preferably ⁇ 12 pH and more preferred ⁇ 13 pH to ⁇ 14 pH.
  • the use of an alkaline liquid cleaning composition ensures an excellent soil removable as necessary in a bottle cleaning process.
  • the process temperature of the cleaning solution of the soaking bath is of 85° C.
  • the process temperature of the cleaning solution of a soaking bath of 85° C can be lowered to temperatures of below 80 ° C, that saves energy.
  • liquid cleaning composition allows running the bottle cleaning and labeling removal process at lower temperatures.
  • the process of the invention safes energy compared to standard cleaning condition as used in a bottle cleaning plant for bottle cleaning and label removable of ⁇ 85° C.
  • the process of the invention allows washing, such as cleaning and label removal, of glass, ceramic or plastic ware, preferably bottle cleaning and label removal in a bottle cleaning plant, at process temperatures, preferably of the liquid cleaning solution , in the range of ⁇ 30° C to ⁇ 78° C, further preferred in the range of ⁇ 40° C to ⁇ 77° C, also preferred in the range of ⁇ 50° C to ⁇ 75° C, furthermore preferred in the range of ⁇ 55° C to ⁇ 70° C and more preferred in the range of ⁇ 60° C to ⁇ 65° C.
  • the label removal may takes place preferably in a soaking bath comprising the liquid cleaning composition at temperatures in the range of ⁇ 30° C to ⁇ 78° C, further preferred in the range of ⁇ 40° C to ⁇ 77° C, also preferred in the range of ⁇ 50° C to ⁇ 75° C, furthermore preferred in the range of ⁇ 55° C to ⁇ 70° C and more preferred in the range of ⁇ 60° C to ⁇ 65° C.
  • the label removal time obtained using the liquid cleaning composition in the process of the invention can be in the range of ⁇ 60 seconds to ⁇ 480 seconds, preferably of ⁇ 120 seconds to ⁇ 420 seconds, further preferred of ⁇ 150 seconds to ⁇ 390 seconds and furthermore preferred of ⁇ 180 seconds to ⁇ 360 seconds.
  • the label removal time obtained using the process of the invention fulfils the demand for label removal time required in an automated cleaning and label removal process for bottles.
  • the liquid cleaning composition can comprises ⁇ 0.003 wt.-% to ⁇ 0.035 wt.-%, preferably ⁇ 0.01 wt.-% to ⁇ 0.03 wt.-%, more preferred ⁇ 0.014 wt.-% to ⁇ 0.022 wt.-% of phosphonic acid or a salt thereof , or a polymer of monomers of monoethylenically unsaturated Cs-Cs-carboxylic acids or salts thereof, preferably polyacrylic acid or a salt thereof.
  • the cleaning composition can comprises ⁇ 0.003 wt.-% to ⁇ 0.105 wt.-%, preferably ⁇ 0.007 wt.-% to ⁇ 0.070 wt.-%, more preferred ⁇ 0.01 wt.-% to ⁇ 0.053 wt.-% of gluconic acid or a salt thereof.
  • the cleaning composition may comprises ⁇ 0 wt.-% to ⁇ 0.07 wt.-%, preferably ⁇ 0.01 wt.-% to ⁇ 0.053 wt.-%, more preferred ⁇ 0.021 wt.-% to ⁇ 0.035 wt.-% of phosphoric acid or a salt thereof.
  • the liquid cleaning composition can comprises ⁇ 0 wt.-% to ⁇ 0.07 wt.-%, preferably ⁇ 0.01 wt.-% to ⁇ 0.053 wt.-%, more preferred ⁇ 0.017 wt.-% to ⁇ 0.035 wt.-% of at least one amphoteric alkoxylated C 6 to C 24 alcohol amine tenside containing 4 to 18 alkylene oxide units of ethylene oxide and/or propylene oxide, preferably an amphoteric alkoxylated C 12 to C 14 alcohol amine tenside containing 10 to 14 alkylene oxide units, or a salt thereof.
  • the liquid cleaning composition comprises ⁇ 0 wt.-% to ⁇ 0.14 wt.-%, preferably ⁇ 0.003 wt.-% to ⁇ 0.123 wt.-%, further preferred ⁇ 0.035wt.-% to ⁇ 0.0105 wt.-%, more preferred ⁇ 0.052 wt.-% to ⁇ 0.088 wt.-% of at least one alkyl endcapped nonionic alkoxylated C 8 to C 18 alcohol tenside containing 4 to 16 alkylene oxide units of ethylene oxide and/or propylene oxide, preferably an butyl endcapped nonionic alkoxylated C 12 to C 18 alcohol tenside containing 8 to 10 alkylene oxide units of ethylene oxide; and/or at least one non-endcapped nonionic alkoxylated C 8 to C 18 alcohol tenside containing 4 to 16 alkylene oxide units of ethylene oxide and/or propylene oxide, preferably at least one non-endcapped nonionic alkoxy
  • the liquid cleaning composition may comprises ⁇ 0.5 wt.-% to ⁇ 3.5 wt.-%, preferably ⁇ 1wt.- % to ⁇ 3 wt.-%, further preferred ⁇ 1.25 wt.-% to ⁇ 2.75 wt.-%, also preferred ⁇ 1.3 wt.-% to ⁇ 2.5 wt.-%, in addition preferred ⁇ 1.5 wt.-% to ⁇ 2.3 wt.-%, furthermore preferred ⁇ 1.7 wt.-% to ⁇ 2.25 wt.-%, and more preferred ⁇ 1.5 wt.-% to ⁇ 2.0 wt.-%, of an alkaline source, preferably sodium hydroxide
  • a solvent preferably water
  • 100 wt.-% a solvent, preferably water, can be added add. 100 wt.-%.
  • the weight-% of the components of the liquid composition are based on the total weight of the liquid cleaning composition and does not exceed 100 wt.-%.
  • the active components, the liquid cleaning additive and/or liquid cleaning composition used in the process of the invention includes a) at least one sequestering agent selected from the group of phosphonic acid, phosphonate based sequestering agent, and/or a polymer of monomers of monoethylenically unsaturated C 3 -C 8 -carboxylic acids or salts thereof.
  • a sequestrant is a molecule capable of coordinating (i.e., binding) the metal ions commonly found in natural water to prevent the metal ions from interfering with the action of the other detersive ingredients of a cleaning composition.
  • Some sequestering agents can also function as a threshold agent when included in an effective amount.
  • phosphonic acid or phosphonate based sequestering agents can be used including, for example, organic phosphonate, condensed phosphonate, mixture thereof, or the like. Such sequestrants are commercially available. Suitable condensed phosphonates include sodium and potassium orthophosphonate, sodium and potassium pyrophosphonate, sodium and potassium tripolyphosphonate, sodium hexametaphosphonate, preferably of tripolyphosphonate.
  • the sequestrant includes an organic phosphonate, such as an organic-phosphonic acid or alkali metal salts thereof.
  • organic phosphonic acids including their corresponding phosphonates include:
  • sequestrant agents can be used selected from the group of salts of acid substituted polymers of monomers of monoethylenically unsaturated C 3 -C 8 -carboxylic acid, preferably from salts of C 3 -C 4 -monocarboxylic acid, acrylate, methacrylate, salts of polyitaconate, salts of polymaleate, and mixtures thereof, most preferred is a polyacrylate; and/or the sequestrant can be selected from the group of acid substituted polymers of monomers of monoethylenically unsaturated C 3 -C 8 -carboxylic acid, preferably from a C 3 -C 4 -monocarboxylic acid, acrylic acid, methacrylic acid, polyitaconic acid, polymaleic acid, and mixtures thereof, most preferred is a polyacrylic acid or a salt thereof.
  • Suitable polyacrylic acid polymers are Sokalan, for example Sokalan CP 5 and/or Sokalan CP 10, obtainable from BA
  • the polymers tend to be water-soluble or at least colloidally dispersible in water.
  • the molecular weight of these polymers may vary over a broad range although it is preferred to use polymers having an average molecular weights (Mw) ranging from ⁇ 1,000 up to ⁇ 1,000, 000, preferably ⁇ 2.000 up to ⁇ 800, 000, further preferred ⁇ 2.500 up to ⁇ 500, 000, also preferred ⁇ 3,000 up to ⁇ 250, 000, more preferred ⁇ 3,500 up to ⁇ 100, 000, especially preferred ⁇ 4,000 up to ⁇ 50, 000 and in particular preferred ⁇ 4,500 up to ⁇ 10, 000.
  • Mw average molecular weights
  • the polymers or copolymers may be prepared by either addition or hydrolytic techniques.
  • maleic anhydride copolymers are prepared by the addition polymerization of maleic anhydride and another comonomer such as styrene.
  • salts of polyacrylic acid are particularly preferred.
  • the low molecular weight acrylic acid polymer may be prepared by addition polymerization of acrylic acid or its salts either with itself or other vinyl comonomers.
  • such polymers may be prepared by the alkaline hydrolysis of low molecular weight acrylonitrile homopolymers or copolymers.
  • a sequestrant in the process of the invention such as a homo polyacrylic acid and/or a homo polyacrylate.
  • a homo polyacrylic acid and/or a homo polyacrylate having a Mw ranging from ⁇ 1,000 up to ⁇ 1,000, 000, preferably ⁇ 2.000 up to ⁇ 800, 000, further preferred ⁇ 2.500 up to ⁇ 500, 000, also preferred ⁇ 3,000 up to ⁇ 250, 000, more preferred ⁇ 3,500 up to ⁇ 100, 000, especially preferred ⁇ 4,000 up to ⁇ 50, 000 and in particular preferred ⁇ 4,500 up to ⁇ 10, 000.
  • sequestrants with the exception of at least one sequestering agent selected from the group of phosphonic acid, phosphonate based sequestering agent, and/or a polymer of monomers of monoethylenically unsaturated Cs-Cs-carboxylic acids or salts thereof, can be omitted.
  • the active components, the liquid cleaning additive and/or liquid cleaning composition used in the process of the invention may comprise at least one phosphate or phosphoric acid.
  • Phosphates or phosphoric acid can provide soil dispersion, detergency, water hardness control, and the like to the present additive or cleaning composition.
  • Such phosphates include a monomer of phosphoric acid, a polymer of phosphoric acid, a salt of phosphoric acid, or a combination thereof; an ortho phosphate, a meta phosphate, a tripolyphosphate, or a combination thereof; phosphoric acid; alkali metal, ammonium and alkanolammonium salts of polyphosphates , for example sodium tripolyphosphate and other higher linear and cyclic polyphosphate species, pyrophosphates, and glassy polymeric metaphosphates; amino phosphates; nitrilotrismethylene phosphates; and the like; or a combination thereof.
  • Preferred phosphates include phosphoric acid, and monomers, polymers, and salts thereof, and the like, or a combination thereof.
  • the active components, the liquid cleaning additive and/or liquid cleaning composition used in the process of the invention includes a) at least one C 4 to C 18 hydroxymonocarboxylic acid or salts thereof.
  • a chelant component exhibits soil removal properties when used for example at alkaline conditions. The chelant component is provided for tying up metals in the soil to assist in cleaning and detergency. The chelant component can be provided as part of the composition.
  • a concentrated liquid cleaning additive can comprise the chelant component in an amount of ⁇ 1 wt.-% to ⁇ 30 wt.-%, preferably ⁇ 2 wt.-% to ⁇ 20 wt.-%, more preferred ⁇ 5 wt.-% to ⁇ 15 wt.-%. It should be understood that the chelant component can include mixtures of different chelants.
  • Suitable C 4 to C 18 hydroxymonocarboxylic acid or corresponding salt compounds include, but are not limited to gluconic acid; glycolic acid; glucoheptanoic acid; lactic acid; methyllactic acid; 2-hydroxybutanoic acid; mandelic acid; atrolactic acid; phenyllactic acid; 2,3, 4-trihydroxybutanoic acid; alpha hydroxylauric acid; benzillic acid; quinic acid; uronic acids, including glucuronic acid, and galaturonic acid; hydroxypyruvic acid; ascorbic acid; and tropic acid.
  • Preferred hydroxymonocarboxylic acid compounds include gluconic acid; glycolic acid; and glucoheptanoic acid. However, most preferred is gluconic acid or a salt thereof, such as sodium gluconate.
  • Additional chelants can be used in the process of the present invention.
  • Exemplary chelants that can be used in addition according to the invention include pentasodium salt of diethylenetriamine pentaacetic acid (available under the name Versenex 80), sodium glucoheptonate, ethylene diamine tetraacetic acid (EDTA), salts of ethylene diamine tetraacetic acid, hydroxyethyl ethylene diamine triacetic acid (HEDTA), salts of hydroxyethyl ethylene diamine triacetic acid, nitrilotriacetic acid (NTA), salts of nitrilotriacetic acid, diethanolglycine sodium salt (DEG), ethanoldiglycine disodium salt (EDG), tetrasodium N,N-bis(carboxylatomethyl)-L-glutamate (GLDA), and mixtures thereof.
  • EDTA ethylene diamine tetraacetic acid
  • HEDTA hydroxyethyl ethylene diamine
  • Exemplary salts of ethylene diamine tetraacetic acid include disodium salts, tetrasodium salts, diammonium salts, and trisodium salts.
  • An exemplary salt of hydroxyethyl ethylene diamine triacetic acid is the trisodium salt.
  • Suitable chelant that can be used in addition in the process of the invention are iminodisuccinate, preferably the sodium salt of iminodisuccinate, hydroxyethylidene diphosphonic acid and/or tetrasodium N,N-bis(carboxylatomethyl)-L-glutamate (GLDA).
  • iminodisuccinate preferably the sodium salt of iminodisuccinate, hydroxyethylidene diphosphonic acid and/or tetrasodium N,N-bis(carboxylatomethyl)-L-glutamate (GLDA).
  • the chelant component can include mixtures of different chelants. However, other chelant s, with the exception of C 4 to C 18 hydroxymonocarboxylic acid or salts thereof, can be omitted.
  • the active components, the liquid cleaning additive and/or liquid cleaning composition used in the process of the invention may comprises an acid or a salt thereof.
  • exemplary inorganic acids that can be used include mineral acids such as sulfuric acid, nitric acid, hydrochloric acid, and phosphoric acid.
  • Exemplary organic acids that can be used include carboxylic acids including monocarboxylic acids and polycarboxcylic acids such as dicarboxcylic acids.
  • Exemplary carboxylic acids include aliphatic and aromatic carboxylic acids.
  • Exemplary aliphatic carboxylic acids include acetic acid, formic acid, halogen-containing carboxylic acids such as chloroacetic carboxylic acid, and modified carboxylic acids containing side groups such - OH, - R, - OR, -(EO)x, - (PO) x , - NH 2 , and -- NOz wherein R is a C 1 to C 10 alkyl group.
  • Exemplary aromatic carboxylic acids include benzoic carboxylic acid, salicylic carboxylic acid, and aromatic carboxylic acid modified to include as a side group at least one of halogen, - OH, - R, - OR, -(EO) x , - (PO) x , - NH 2 , and -NO2 wherein R is a C 1 to C 10 alkyl group.
  • Additional exemplary organic acids include oxalic acid, phthlaic acid, sebacic acid, adipic acid, citric acid, maleic acid, and modified forms thereof containing side groups including halogen, - OH, - R, - OR, -(EO) x , - (PO) x , - NH 2 , and -NO 2 wherein R is a C 1 to C 10 alkyl group. It should be understood that the subscript 'x' refers to repeating units.
  • the active components, the liquid cleaning additive and/or liquid cleaning composition can comprise at least one acid or a corresponding salt thereof. It should be understood that the addition of acid or a corresponding salt thereof to the active components, the liquid cleaning additive and/or liquid cleaning composition can be omitted.
  • the active components, the liquid cleaning additive and/or liquid cleaning composition used in the process of the invention may comprises at least one tenside.
  • the tenside can be selected from the group of nonionic tenside, cationic tenside, anionic tenside, amphoteric tenside and mixtures thereof. More preferred are tenside, which are biodegradable.
  • the additional surfactant component can be used for enhancing the cleaning properties of the liquid cleaning composition.
  • the surfactant component can be used in the process of the invention to reduce surface tension and wet the soil particulate to allow penetration of the use solution and separation of the soil as well as removal of a bottle label.
  • liquid cleaning additive and/or liquid cleaning composition can be omitted.
  • nonionic surfactants that can be used in the active components, the liquid cleaning additive and/or liquid cleaning composition for the process of the invention are alkoxylated, preferably ethoxylated or ethoxylated and propoxylated, fatty acid alkyl esters preferably containing 1 to 4 carbon atoms in the alkyl chain, more particularly the fatty acid methyl esters.
  • the nonionic low alkoxylated alcohol tensides can be used to reduce surface tension, wet the soil particulate to allow penetration of the use solution, separation of the soil and enhance the bottle label removal.
  • the alkoxylated alcohol tensides mentioned above includes end caped alkoxylated alcohol tensides.
  • Exemplary nonionic low alkoxylated alcohol tensides that can be used are alkoxylated alcohols containing 1 to 4 ethylene oxide groups (1-4EO), 1 to 4 butylene oxide groups (1-4BO), 1 to 4 propylene oxide groups (1-4PO), end caped alkoxylated alcohol tensides thereof or mixtures thereof.
  • 1-4EO ethylene oxide groups
  • 1-4BO butylene oxide groups
  • 1-4PO propylene oxide groups
  • Advantageously low alkoxylated alcohols that can be useful used in addition in the process according to the invention are particularly primary and/or branched alcohols, preferably containing 8 to 18 carbon atoms, and containing 1 to 4 ethylene oxide groups (1-4EO), 1 to 4 butylene oxide groups (1-4BO), 1 to 4 propylene oxide groups (1-4PO), end caped alkoxylated alcohol tensides thereof or may contain a mixture.
  • the alcohol radical may be linear, branched, or may contain a mixture.
  • Exemplary nonionic higher alkoxylated alcohol tensides that can be useful in the active components, the liquid cleaning additive and/or liquid cleaning composition according to the invention are alkoxylated alcohols containing 5 to 40 ethylene oxide groups (5-40EO), butylene oxide groups (5-40BO), propylene oxide groups (5-40PO), preferably 6 to 30 ethylene oxide groups (6-30EO), butylene oxide groups (6-30BO), propylene oxide groups (6-30PO), further preferred 7 to 20 ethylene oxide groups (7-20EO), butylene oxide groups (7-20BO), propylene oxide groups (7-20PO), more preferred 8 to 10 ethylene oxide groups (8-10EO), butylene oxide groups (8-10BO), propylene oxide groups (8-10PO), and most preferred 8 ethylene oxide groups (8EO), butylene oxide groups (8BO), propylene oxide groups (8PO) groups, end caped alkoxylated alcohol tensides thereof, or mixtures thereof.
  • Advantageously higher alkoxylated alcohols useful in the composition of the invention are particularly linear and/or branched alcohols, preferably containing 8 to 18 carbon atoms, and 5 to 40 ethylene oxide groups (5-40EO), butylene oxide groups (5-40BO), propylene oxide groups (5-40PO), preferably 6 to 30 ethylene oxide groups (6-30EO), butylene oxide groups (6-30BO), propylene oxide groups (6-30PO), further preferred 7 to 20 ethylene oxide groups (7-20EO), butylene oxide groups (7-20BO), propylene oxide groups (7-20PO), more preferred 8 to 10 ethylene oxide groups (8-10EO), butylene oxide groups (8-10BO), propylene oxide groups (8-10PO), and most preferred 8 ethylene oxide groups (8EO), butylene oxide groups (8BO), propylene oxide groups (8PO), end caped alkoxylated alcohol tensides thereof, or may contain a mixture.
  • the alcohol radical may be linear, branched, or may contain a mixture.
  • higher alkoxylated alcohols preferably alcohol ethoxylates with linear or branched radicals of alcohols with 12 to 18 carbon atoms, e.g. from coco-, palm-, tallow- or oleyl alcohol, containing 8 to 18 carbon atoms, and 5 to 40 ethylene oxide groups (5-40EO), butylene oxide groups (5-40BO), propylene oxide groups (5-40PO), preferably 6 to 30 ethylene oxide groups (6-30EO), butylene oxide groups (6-30BO), propylene oxide groups (6-30PO), further preferred 7 to 20 ethylene oxide groups (7-20EO), butylene oxide groups (7-20BO), propylene oxide groups (7-20PO), more preferred 8 to 10 ethylene oxide groups (8-10EO), butylene oxide groups (8-10BO), propylene oxide groups (8-10PO), and most preferred 8 ethylene oxide groups (8EO), butylene oxide groups (8BO), propylene oxide groups (8PO), end caped alkoxylated alcohol tensides thereof, or may contain a mixture.
  • isotridecyl alcohol in the composition of the invention with 6EO to 14EO, 6PO to 14PO, 6BO to 14BO, preferably 7EO to 10EO, 7PO to 10PO, 7BO to 10BO, and most preferred 8EO, 8PO, 8BO, or may contain a mixture.
  • higher alkoxylated alcohols can be used with 5EO, 6EO, 7EO, 8EO, 9EO, 10EO, 11EO, 12EO, 13EO, 14EO, 15EO, 16EO,17EO, 18EO, 19EO, 20EO, 21EO, 22EO, 23EO, 24EO or 25EO, 5PO, 6PO, 7PO, 8PO, 9PO, 10PO, 11PO, 12PO, 13PO, 14PO, 15PO, 16PO,17PO, 18PO, 19PO, 20PO, 21PO, 22PO, 23PO, 24PO or 25PO, 5BO, 6BO, 7BO, 8BO, 9BO, 10BO, 11BO, 12BO, 13BO, 14BO, 15BO, 16BO,17BO, 18BO, 19BO, 20BO, 21BO, 22BO, 23BO, 24PO or 25PO, 5BO, 6BO, 7BO, 8BO, 9BO, 10BO, 11BO, 12BO, 13BO, 14BO, 15BO, 16BO,17BO, 18BO, 19BO, 20BO, 21BO, 22BO
  • fatty alcohols containing more than 12 EO, 12 PO, 12 BO may also be used.
  • examples of such fatty alcohols are tallow fatty alcohol containing 14 EO, 25 EO, 30 EO or 40 EO, 14 PO, 25 PO, 30 PO or 40 PO, 14 BO, 25 BO, 30 BO or 40 BO and end caped alkoxylated alcohol tensides thereof.
  • the degrees of 5EO to 40EO, 5PO to 40PO, 5BO to 40BO preferably 6EO or 30EO, 6PO or 30PO, 6BO or 30BO,further preferred 7EO to 20EO, 7PO to 20PO, 7BO to 20BO,more preferred 8EO to 10 EO, 8PO to 10 PO, 8BO to 10 BO and most preferred 8EO, 8PO, 8BO alkoxylation mentioned are statistical mean values, which for a special product, may be either a whole number or a fractional number.
  • the degrees of 5EO to 40EO, 5PO to 40PO , 5BO to 40BO preferably 6EO or 30EO, 6PO or 30PO , 6BO or 30BO further preferred 7EO to 20EO, 7PO to 20PO , 7BO to 20BO, more preferred 8EO to 10 EO, 8PO to 10 PO, 8BO to 10 BO and most preferred 8EO, 8PO, 8BO alkoxylation mentioned may be either a whole number or a fractional number.
  • the alkoxylation grade mentioned may be a whole number.
  • Preferred higher alkoxylated alcohols have a narrow homolog distribution (narrow range ethoxylates, NRE).
  • Further surfactants include alkoxylated long chain fatty acid amides where the fatty acid has 8-20 carbon atoms and the amide group is alkoxylated with 1-20 ethylene oxide, propylene oxide and/or butylenes oxide units.
  • a further class of nonionic surfactants which can be used as ingredients in a active components, the liquid cleaning additive and/or liquid cleaning composition according to the invention, is that of the alkyl polyglycosides (APG).
  • APG alkyl polyglycosides
  • Suitable alkyl polyglycosides satisfy the general Formula RO(G)z where R is a linear or branched, particularly 2-methyl-branched, saturated or unsaturated aliphatic radical containing 8 to 22 and preferably 12 to 18 carbon atoms and G stands for a glycose unit containing 5 or 6 carbon atoms, preferably glucose.
  • the degree of oligomerization z is a number between 1.0 and 4.0 and preferably between 1.1 and 1.4.
  • Silicone containing nonionic surfactants such as the ABIL B8852 or Silwet 7602, can also be used.
  • An exemplary silicone-containing surfactant is silicone polybutane.
  • amine oxide surfactants include: dimethyldodecylamine oxide, dimethyltetradecylamine oxide; ethylmethyltetradecylamine oxide, cetyldimethylamine oxide, dimethylstearylamine oxide, cetylethylpropylamine oxide, diethyldodecylamine oxide, diethyltetradecylamine oxide, dipropyldodecylamine oxide, lauryl dimethyl amine oxide, bis- (2-hydroxyethyl) dodecylamine oxide, bis- (2-hydroxyethyl)-3-dodecoxy-1- hydroxypropyl amine oxide, (2-hydroxypropyl) methyltetradecylamine oxide, dimethyloleyamine oxide, dimethyl- (2-hydroxydodecyl) amine oxide, and the corresponding decyl, hexadecyl and octadecyl homologs of the above compounds.
  • Additional nitrogen-containing surfactants include ethoxylated primary alkyl amines where the alkyl group has 10-20 carbon atoms and the amine is ethoxylated with 2-20 ethylene oxide units.
  • non-ionic surfactants derived from the condensation of ethylene oxide with the product resulting from the reaction of propylene oxide and ethylene diamine are also useful.
  • non-ionic surfactants derived from the condensation of ethylene oxide with the product resulting from the reaction of propylene oxide and ethylene diamine are also useful.
  • Suitable nonionic surfactants include the polyoxyethylene-polyoxypropylene condensates, which are sold by BASF under the trade name'Pluronic', polyoxyethylene condensates of aliphatic alcohols/ethylene oxide condensates having from 1 to 30 moles of ethylene oxide per mole of coconut alcohol; ethoxylated long chain alcohols sold by Shell Chemical Co.
  • alkanolamides such as the monoalkoanolamides, dialkanolamides and the ethoxylated alkanolamides, for example coconut monoethanolamide, lauric isopropanolamide and lauric diethanolamide; and amine oxides for example dodecyldimethylamine oxide.
  • non-ionic surfactants include alkylphenol alkoxylates, and amine oxides such as alkyl dimethylamine oxide or bis (2- hydroxyethyl) alkylamine oxide.
  • the additional nonionic surfactants can be provided in the active components and/or the liquid cleaning additive as used in the process of the invention in an amount of ⁇ 0 wt.-% to ⁇ 40 wt.-%, preferably ⁇ 1 wt.-% to ⁇ 35 wt.-%, further preferred ⁇ 10 wt.-% to ⁇ 30 wt.-%, more preferred ⁇ 15 wt.-% to ⁇ 25 wt.-%, based on the total weight amount of the liquid cleaning additive or liquid cleaning composition.
  • At least one alkyl endcapped nonionic alkoxylated Cs to C 18 alcohol tenside containing 4 to 16 alkylene oxide units of ethylene oxide and/or propylene oxide preferably an butyl endcapped nonionic alkoxylated C 12 to C 18 alcohol tenside containing 8 to 10 alkylene oxide units of ethylene oxide; and/or at least one non-endcapped nonionic alkoxylated C 8 to C 18 alcohol tenside containing 4 to 16 alkylene oxide units of ethylene oxide and/or propylene oxide, preferably at least one non-endcapped nonionic alkoxylated C 12 to C 14 alcohol tenside containing 2 to 4 units of ethylene oxide and 3 to 5 units propylene oxide.
  • liquid cleaning additive and/or liquid cleaning composition of the invention can be omitted.
  • the active components, the liquid cleaning additive and/or liquid cleaning composition that can be used in a process according to the invention is preferably free of an anionic surfactant.
  • anionic surfactants that can be used include organic carboxylates, organic sulfonates, organic sulfates, organic phosphates and the like, particularly linear alkylaryl sulfonates, such as alkylarylcarboxylates, alkylarylsulfonates, alkylarylphosphates, and the like.
  • These classes of anionic surfactants are known within the surfactant art as linear alkyl benzyl sulfonates (LABS), alpha olefin sulfonates (AOS), alkyl sulfates, and secondary alkane sulfonates.
  • the anionic surfactants can be provided in the active components and/or the liquid cleaning additive as used in the process of the invention in an amount of ⁇ 0 wt.-% to ⁇ 40 wt.-%, preferably ⁇ 0.1 wt.-% to ⁇ 35 wt.-%, further preferred ⁇ 0.5 wt.-% to ⁇ 32 wt.-%, and more preferred 1.0 wt.-% to 30 wt.-%, based on the weight of all components of the total composition.
  • liquid cleaning additive and/or liquid cleaning composition of the invention can be omitted.
  • the active components, the liquid cleaning additive and/or liquid cleaning composition also comprises a cationic surfactant.
  • Suitable cationic surfactants include quaternary ammonium compounds having the formula of RR'R" R′′′N + X - , where R, R', R" and R′′′ are each a C 1 -C 24 alkyl, aryl or arylalkyl group that can optionally contain one or more P, O, S or N heteroatoms, and X is F, Cl, Br, I or an alkyl sulfate.
  • Additional preferred cationic surfactants include ethoxylated and/or propoxylated alkyl amines, diamines, or triamines.
  • R, R', R" and R′′′ can independently include, individually or in combination, substituents including 6 to 24 carbon atoms, preferably 14 to 24 carbon atoms, and more preferably, 16 to 24 carbon atoms.
  • Each of R, R', R" and R′′′ can independently be linear, cyclic, branched, saturated, or unsaturated, and can include heteroatoms such as oxygen, phosphorous, sulfur, or nitrogen. Any two of R, R', R" and R′′′ can form a cyclic group. Any one of three of R, R', R" and R′′′ can independently can be hydrogen.
  • X is preferably a counter ion and preferably a non-fluoride counter ion. Exemplary counter ions include chloride, bromide, methosulfate, ethosulfate, sulfate, and phosphate.
  • the quaternary ammonium compound includes alkyl ethoxylated and/or propoxylated quaternary ammonium salts (or amines).
  • the alkyl group contains between 6 and 22 carbon atoms and can be saturated and/or unsaturated.
  • the degree of alkoxylation is preferably between 2 and 20, and/or the degree of propoxylation is preferably between 0 and 30.
  • the quaternary ammonium compound includes an alkyl group with 6 to 22 carbon atoms and a degree of alkoxylation between 2 and 20.
  • the cationic surfactants can be provided in the active components and/or the liquid cleaning additive as used in the process of the invention in an amount of ⁇ 0 wt.-% to ⁇ 40 wt.-%, preferably ⁇ 0.1 wt.-% to ⁇ 35 wt.-%, further preferred ⁇ 0.5 wt.-% to ⁇ 32 wt.-%, and more preferred 1.0 wt.-% to 30 wt.-%, based on the weight of all components of the total composition.
  • liquid cleaning additive and/or liquid cleaning composition of the invention can be omitted.
  • the active components, the liquid cleaning additive and/or liquid cleaning composition according to the invention can be free of amphoteric surfactants.
  • suitable amphoteric surfactants include capryloamphopropionate, disodium lauryl B-iminodipropionate, and cocoamphocarboxypropionate, and disodium octylimino dipropionate.
  • the amphoteric surfactants can be provided in the liquid cleaning additive and/or the liquid cleaning composition in an amount of ⁇ 0 wt.-% to ⁇ 20 wt.-%, preferably ⁇ 3 wt.-% to ⁇ 15 wt.-%, more preferred ⁇ 5 wt.-% to ⁇ 10 wt.-%, based on the weight of the liquid cleaning additive and/or liquid cleaning composition.
  • liquid cleaning additive and/or liquid cleaning composition of the invention can be omitted.
  • the active components, the liquid cleaning additive and/or liquid cleaning composition as used in the process of the invention may contain at least one foam inhibitor.
  • suitable foam inhibitors are, for example, organopolysiloxanes and mixtures thereof with microfine, optionally silanised silica and also paraffins, waxes, microcrystalline waxes and mixtures thereof with silanised silica or bis-fatty acid alkylenediamides such as bis-stearyl ethylenediamide.
  • the amount of foam inhibitors of the active components and/or the liquid cleaning additive as used in the process of the invention can be of ⁇ 0 wt.-% to ⁇ 20 wt.-%, preferably ⁇ 3 wt.-% to ⁇ 15 wt.-%, more preferred ⁇ 5 wt.-% to ⁇ 10 wt.-%, based on the total weight of the cleaning additive or liquid cleaning composition.
  • foam inhibitors for example mixtures of silicones, paraffins or waxes, are also used with advantage. It should be understood that the addition of a foam inhibitor to the liquid cleaning additive and/or cleaning composition as used in the process of the invention can be omitted.
  • the source of alkalinity can be any source of alkalinity that is compatible with the other components of the cleaning composition and that will provide the desired pH.
  • Exemplary sources of alkalinity include alkali metal hydroxides, alkali metal salts, phosphates, amines, and mixtures thereof.
  • Exemplary alkali metal hydroxides include sodium hydroxide, potassium hydroxide, and lithium hydroxide.
  • Exemplary alkali metal salts include sodium carbonate, trisodium phosphate, potassium carbonate, and mixtures thereof. Most preferred is the use of sodium hydroxide as alkaline source.
  • the source of alkalinity preferably an alkali metal hydroxide
  • Alkali metal hydroxides are commercially available as pellets or beads or as an aqueous solution.
  • the alkaline solution or the liquid cleaning composition can comprise the source of alkalinity, preferably sodium hydroxide, in an amount of ⁇ 0.5wt.-% to ⁇ 3.5 wt.-%, preferably ⁇ lwt.-% to ⁇ 3 wt.-%, further preferred ⁇ 1.25 wt.-% to ⁇ 2.75 wt.-%, also preferred ⁇ 1.3 wt.-% to ⁇ 2.5 wt.-%, in addition preferred ⁇ 1.5 wt.-% to ⁇ 2.3 wt.-%, furthermore preferred ⁇ 1.7 wt.-% to ⁇ 2.25 wt.-%, and more preferred ⁇ 1.5 wt.-% to ⁇ 2.0 wt.-%; wherein the weight-% of the alkaline source are based on the total weight of the alkaline solution or liquid cleaning composition.
  • the cleaning composition as used in the process of the invention can be used for cleaning hard and/or soft surfaces, preferably glass, ceramic, metal and/or plastic ware.
  • the cleaning composition as used in the process of the invention can be used for cleaning bottles. More preferred, the cleaning composition as used in the process of the invention can be used for cleaning glass, ceramic, metal and/or plastic ware, preferably bottles, in a bottle cleaning plant.
  • Bottle labels are removed in soaking bath containing the cleaning composition of the invention.
  • Suitable cleaning plants are a single-end-bottle washer or double-end bottle washer.
  • the cleaning solution of the invention to clean and to remove labels of glass, ceramic, metal and/or plastic ware, especially glass, ceramic and/or plastic bottles, in an automated processing.
  • Example E1 of the liquid cleaning additive are used to illustrate the improved cleaning and label removal effect at lower temperatures.
  • Examples E2 to E5 are comparative examples.
  • Liquid cleaning additive Wt.-%% phosphoric acid 75% 10.0 gluconic acid 50% 10.0 phosphonic acid 50% 11.0 sequestering agent fatty alkohol C12-18 9 EO-butyl capped 17.0 niotensid endcapped fatty alkohol C12-14 2 EO - 4 PO 7.0 niotensid non endcapped PEG Coco amine 12EO 8.0 amphoteric tensid destilled water add. 100 wt.-%
  • Liquid cleaning additive Wt.-%% phosphoric acid 75% 10.0 gluconic acid 50% 10.0 phosphonic acid 50% 11.0 destilled water add. 100 wt.-%
  • Liquid cleaning additive Wt.-%% phosphoric Acid 75% 10.0 gluconic Acid 50% 10.0 fatty alkohol C12-14 2 EO - 4 PO 7.0 niotensid non endcapped PEG Coco amine 12EO 8.0 amphoteric tensid destilled water add. 100 wt.-%
  • Liquid cleaning additive Wt.-%% phosphoric acid 75% 10.0 gluconic acid 50% 10.0 fatty alkohol C12-18 9 EO-butyl capped 17.0 niotensid endcapped fatty alkohol C12-14 2 EO - 4 PO 7.0 niotensid non endcapped PEG Coco amine 12EO 8.0 amphoteric tensid destilled water add. 100 wt.-%
  • Liquid cleaning additive Wt.-%% gluconic acid 50% 10.0 phosphonic acid 50% 11.0 sequestering agent destilled water add. 100 wt.-%
  • the label removal test is a measurement for the cleaning efficacy of an additive. It can be applied for polyethylenterephthalat (PET) and for glass bottles.
  • the label removing device is composed of an oscillating motor (wind screen wiper motor obtained from a car "Opel Record") where a glass plate can be fixed in a clamping tool in a vertically position for testing.
  • the speed of the oscillating motor has been set so that it moves forward and backward every second.
  • the testing solution is heated in a double-walled vessel.
  • the vessel is connected to a thermostat, which regulates the required temperature.
  • The700 ml mineral water glass bottles with a plane outer surface to which a Mifare Standard Paper Label with a Casein ST 50 KF adhesive was attached are processed in a Fontana RME SEN cleaning plant with a capacity of 45.000 bottles per hour.
  • the soaking bath for label removal was filled up with a cleaning composition as used in the process of the invention and described below.
  • the glass plates are degreased with acetone and dried at room temperature.
  • a label is applied to the glass plates with a hand coater using the Casein ST 50 KF adhesive.
  • the adhesive film should be very thin (100 ⁇ m).
  • the labels are dried for 3 days at room temperature.
  • the mineral bottles are degreased with acetone and dried at room temperature.
  • a label is applied to the glass plates with a hand coater using the Casein ST 50 KF adhesive.
  • the adhesive film should be very thin (100 ⁇ m).
  • the labels are dried for 3 days at room temperature.
  • the various cleaning solution are obtained by mixing 2000 ml of a 2 wt.-% NaOH alkaline solution with 4 ml of the liquid cleaning additive of examples E1 or 7 ml of the liquid cleaning additive of examples E1 to E5.
  • the cleaning solutions as used for label removal of glass bottles according to Fig. 1 are heated in a soaking bath of the Fontana RME SEN to the required temperature of 65° C and 80° C (see Fig. 1 ) and the cleaning process is started.
  • Figure 1 clearly shows that the label removal performance for 700 ml mineral water glass bottles with a plane outer surface to which a Mifare Standard Paper Label with a Casein ST 50 KF adhesive is attached using 7 ml of an additive of example E1 added to a 2000 ml caustic solution of 2.0 wt.-% NaOH processed at a process temperature of 65° C provides the same label removal time as compared to 4 ml of the same additive of example E1 added to 2000 ml of a 2.0 wt.-% NaOH caustic solution at a cleaning temperature of 80° C.
  • Fig. 1 demonstrates that the process of the present invention provides good cleaning and label removal characteristics at lower temperatures.
  • Figure 2 shows that the label removal for glass plates using 7 ml of an additive of example E2, E3, E4 and E5 to a 2000 ml caustic solution of 2.0 wt.-% NaOH at a process temperature of 60° C provides improved label removal time of between 120 sec to 140 sec.
  • Fig. 2 shows that the process of the present invention provides good cleaning and label removal characteristics at lower process temperatures.

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Claims (19)

  1. Verfahren zum Waschen und/oder Entfernen von Etiketten von Glas-, Keramik-, Metall- oder Kunststoffware mit einer flüssigen Reinigungszusammensetzung bei einer Prozesstemperatur unter 80 °C, wobei die flüssige Reinigungszusammensetzung aktive Komponenten in einer Menge von ≥ 0,001 Gew.-% bis ≤ 10 Gew.-% und eine alkalische Quelle in einer Menge von ≥ 0,5 Gew.-% bis ≤ 3,5 Gew.-% umfasst, wobei die aktiven Komponenten Folgendes umfassen:
    a) mindestens ein Sequestriermittel, ausgewählt aus der Gruppe von Phosphonsäure, auf Phosphonat basierendem Sequestriermittel und/oder einem Polymer aus Monomeren von monoethylenisch ungesättigten C3-C8-Carbonsäuren oder deren Salzen;
    b) mindestens eine C4- bis C18-Hydroxymonocarbonsäure oder ein Salz davon;
    e) mindestens ein alkylendverkapptes nichtionisches alkoxyliertes C8- bis C18-Alkoholtensid, das 4 bis 16 Alkylenoxideinheiten von Ethylenoxid und/oder Propylenoxid enthält; wobei
    die Gewichts-% der aktiven Komponenten auf dem Gesamtgewicht der flüssigen Reinigungszusammensetzung basieren.
  2. Verfahren nach Anspruch 1, wobei das Gewichtsverhältnis der aktiven Komponenten a) mindestens eines Sequestriermittels zu b) mindestens einer C4-bis C18-Hydroxymonocarbonsäure oder deren Salzen im Bereich von 6 : 1 bis 1 : 6, vorzugsweise 5 : 1 bis 1 : 5, weiter bevorzugt 4 : 1 bis 1 : 4 und noch bevorzugter 3 : 1 bis 1 : 3 liegt.
  3. Verfahren nach Anspruch 1 oder 2, wobei die aktiven Komponenten zusätzlich eine aktive Komponente c) aus mindestens einer auf Phosphorsäure basierenden oder phosphatbasierten Komponente umfassen.
  4. Verfahren nach einem der Ansprüche 1 bis 3, wobei die aktiven Komponenten zusätzlich eine aktive Komponente d) aus mindestens einem amphoteren alkoxylierten C6- bis C24-Alkoholamintensid, das 4 bis 18 Alkylenoxideinheiten enthält, von Ethylenoxid und/oder Propylenoxid oder ein Salz davon umfassen.
  5. Verfahren nach einem der Ansprüche 1 bis 4, wobei die aktiven Komponenten zusätzlich eine aktive Komponente aus mindestens einem nicht endverkappten nichtionischen alkoxylierten C6- bis C24-Alkoholtensid umfassen, das 1 bis 30 Alkylenoxideinheiten enthält.
  6. Verfahren nach einem der Ansprüche 1 bis 5, wobei die aktiven Komponenten d) von mindestens einem amphoteren alkoxylierten C6- bis C24-Alkoholamintensid, das 4 bis 18 Alkylenoxideinheiten enthält, von Ethylenoxid und/oder Propylenoxid oder ein Salz davon umfassen; und mindestens ein schaumverhinderndes Mittel, vorzugsweise ausgewählt aus der Gruppe von einem Entschäumer auf Silikonbasis.
  7. Verfahren nach einem der Ansprüche 1 bis 6, wobei das Gewichtsverhältnis der aktiven Komponenten von a) dem Sequestriermittel zu b) der C4- bis C18-Hydroxymonocarbonsäure oder deren Salzen im Bereich von 5 : 1 bis 1 : 5, vorzugsweise 4 : 1 bis 1 : 4, weiter bevorzugt 3 : 1 bis 1 : 3 und noch bevorzugter 2 : 1 bis 1 : 2 liegt.
  8. Verfahren nach einem der Ansprüche 3 bis 7, wobei das Gewichtsverhältnis der aktiven Komponenten von c) der auf Phosphorsäure oder Phosphat basierenden Komponente zu a) dem Sequestriermittel 10 : 1 bis 1 : 10, vorzugsweise 5 : 1 bis 1 : 5, weiter bevorzugt 3 : 1 bis 1 : 3, weiter bevorzugt 2 : 1 bis 1 : 2 und noch bevorzugter 1,5 : 1, bis 1,2 : 1 beträgt.
  9. Verfahren nach den Ansprüchen 4 bis 8, wobei das Gewichtsverhältnis der aktiven Komponenten von d) dem amphoteren Tensid zu b) der C4- bis C18-Hydroxymonocarbonsäure oder einem Salz davon 10 : 1 bis 1 : 10, vorzugsweise 5 : 1 bis 1 : 5, weiter bevorzugt 3 : 1 bis 1 : 3, weiter bevorzugt 2 : 1 bis 1 : 2 und noch bevorzugter 1,7 : 1, bis 1,5 : 1 beträgt.
  10. Verfahren nach einem der Ansprüche 5 bis 9, wobei das Gewichtsverhältnis der aktiven Komponenten des alkylendverkappten nichtionischen Tensids zu dem nicht endverkappten nichtionischen Tensid 10 : 1 bis 1 : 10, vorzugsweise 5 : 1 bis 1 : 5, weiter bevorzugt 4 : 1 bis 1 : 4, weiter bevorzugt 3 : 1 bis 1 : 3 und noch bevorzugter 2,6 : 1 bis 2,3 : 1 beträgt.
  11. Verfahren nach einem der Ansprüche 1 bis 10, wobei die flüssige Reinigungszusammensetzung einen pH-Wert im Bereich von ≥ 10 pH, vorzugsweise ≥ 12 pH und noch bevorzugter ≥ 13 pH bis ≤ 14 pH aufweist.
  12. Verfahren nach den Ansprüchen 1 bis 11, wobei die Prozesstemperatur im Bereich von ≥ 30 °C bis ≤ 78 °C, weiterhin bevorzugt im Bereich von ≥ 40 °C bis ≤ 77 °C, ebenfalls bevorzugt im Bereich von ≥ 50 °C bis ≤ 75 °C, weiterhin bevorzugt im Bereich von ≥ 55 °C bis ≤ 70 °C und bevorzugter im Bereich von ≥ 60 °C bis ≤ 65 °C liegt.
  13. Verfahren nach den Ansprüchen 1 bis 4, wobei die flüssige Reinigungszusammensetzung durch Zugabe eines flüssigen Reinigungsadditivs zu einer alkalischen Lösung erhalten wird, wobei das flüssige Reinigungsadditiv ein konzentriertes flüssiges Reinigungsadditiv ist, umfassend:
    a) ≥ 1 Gew.-% bis ≤ 10 Gew.-%, vorzugsweise ≥ 3 Gew.-% bis ≤ 8 Gew.-%, bevorzugter ≥ 4 Gew.-% bis ≤ 6 Gew.-% einer Phosphonsäure oder eines Salzes davon, oder ein Polymer aus Monomeren von monoethylenisch ungesättigten C3-Cs-Carbonsäuren oder Salzen davon, vorzugsweise Polyacrylsäure oder einem Salz davon,
    b) ≥ 1 Gew.-% bis ≤ 30 Gew.-%, vorzugsweise ≥ 2 Gew.-% bis ≤ 20 Gew.-%, bevorzugter ≥ 5 Gew.-% bis ≤15 Gew.-% Gluconsäure oder ein Salz davon,
    c) ≥ 0 Gew.-% bis ≤ 20 Gew.-%, vorzugsweise ≥ 5 Gew.-% bis ≤ 15 Gew.-%, bevorzugter ≥ 6 Gew.-% bis ≤10 Gew.-% Phosphorsäure oder ein Salz davon,
    d) ≥ 0 Gew.-% bis ≤ 20 Gew.-%, vorzugsweise ≥ 3 Gew.-% bis ≤ 15 Gew.-%, noch bevorzugter ≥ 5 Gew.-% bis ≤ 10 Gew.-% mindestens eines amphoteren alkoxylierten C6- bis C24-Alkoholamintensids, das 4 bis 18 Alkylenoxideinheiten von Ethylenoxid und/oder Propylenoxid enthält, vorzugsweise eines amphoteren alkoxylierten C12- bis C14-Alkoholamintensids, das 10 bis 14 Alkylenoxideinheiten enthält, oder ein Salz davon;
    e) > 0 Gew.-% bis ≤ 40 Gew.-%, vorzugsweise ≥ 1 Gew.-% bis ≤ 35 Gew.-%, weiterhin bevorzugt ≥ 10 Gew.-% bis ≤ 30 Gew.-%, bevorzugter ≥ 15 Gew.-% bis ≤ 25 Gew.-% mindestens eines alkylendverkappten nichtionischen alkoxylierten Cs- bis C18-Alkoholtensids, das 4 bis 16 Alkylenoxideinheiten enthält, von Ethylenoxid und/oder Propylenoxid, vorzugsweise eines butylendverkappten nichtionischen alkoxylierten C12- bis C18-Alkoholtensids, das 8 bis 10 Alkylenoxideinheiten enthält, von Ethylenoxid;
    f) ein Lösungsmittel, vorzugsweise Wasser, auf 100 Gew.-% zugegeben wird; wobei die Gewichtsprozente der Komponenten des konzentrierten flüssigen Additivs auf das Gesamtgewicht des konzentrierten flüssigen Additivs bezogen sind und 100 Gew.-% nicht überschreiten.
  14. Verfahren nach einem der Ansprüche 1 bis 13, wobei die flüssige Reinigungszusammensetzung eine alkalische Quelle von Natriumhydroxid von ≥ 0,5 Gew.-% bis ≤ 3,5 Gew.-%, bevorzugt ≥ 1 Gew.-% bis ≤ 3 Gew.-%, ferner bevorzugt ≥ 1,25 Gew.-% bis ≤ 2,75 Gew.-%, ebenfalls bevorzugt ≥1,3 Gew.-% bis ≤ 2,5 Gew.-%, zusätzlich bevorzugt ≥1,5 Gew.-% bis ≤ 2,3 Gew.-%, darüber hinaus bevorzugt ≥1,7 Gew.-% bis ≤ 2,25 Gew.-%, und noch bevorzugter ≥1,5 Gew.-% bis ≤ 2,0 Gew.-% umfasst; wobei die Gewichts-% der alkalischen Natriumhydroxidquelle auf dem Gesamtgewicht der flüssigen Reinigungszusammensetzung basieren.
  15. Verfahren zum Waschen und/oder Entfernen von Etiketten von Glas-, Keramik-, Metall- oder Kunststoffware mit einer flüssigen Reinigungszusammensetzung nach Anspruch 1 bei einer Prozesstemperatur unter 80 °C, wobei die flüssige Reinigungszusammensetzung Folgendes umfasst:
    a) ≥ 0,003 Gew.-% bis ≤ 0,035 Gew.-%, vorzugsweise ≥ 0,01 Gew.-% bis ≤ 0,03 Gew.-%, bevorzugter ≥ 0,014 Gew.-% bis ≤ 0,022 Gew.-% einer Phosphonsäure oder eines Salzes davon, oder ein Polymer aus Monomeren von monoethylenisch ungesättigten C3-C8-Carbonsäuren oder Salzen davon, vorzugsweise Polyacrylsäure oder ein Salz davon,
    b) ≥ 0,003 Gew.-% bis ≤ 0,105 Gew.-%, vorzugsweise ≥ 0,007 Gew.-% bis ≤ 0,070 Gew.-%, bevorzugter ≥ 0,01 Gew.-% bis ≤0,053 Gew.-% von Gluconsäure oder einem Salz davon,
    c) ≥ 0 Gew.-% bis ≤ 0,07 Gew.-%, vorzugsweise ≥ 0,01 Gew.-% bis ≤ 0,053 Gew.-%, bevorzugter ≥ 0,021 Gew.-% bis ≤0,035 Gew.-% von Phosphorsäure oder einem Salz davon,
    d) ≥ 0 Gew.-% bis ≤ 0,07 Gew.-%, vorzugsweise ≥ 0,01 Gew.-% bis ≤ 0,053 Gew.-%, noch bevorzugter ≥ 0,017 Gew.-% bis ≤ 0,035 Gew.-% mindestens eines amphoteren alkoxylierten C6- bis C24-Alkoholamintensids, das 4 bis 18 Alkylenoxideinheiten enthält, von Ethylenoxid und/oder Propylenoxid,
    vorzugsweise eines amphoteren alkoxylierten C12- bis C14-Alkoholamintensids, das 10 bis 14 Alkylenoxideinheiten enthält, oder ein Salz davon;
    e) > 0 Gew.-% bis ≤ 0,14 Gew.-%, vorzugsweise ≥ 0,003 Gew.-% bis ≤ 0,123 Gew.-%, weiterhin bevorzugt ≥ 0,035 Gew.-% bis ≤ 0,0105 Gew.-%, bevorzugter ≥0,052 Gew.-% bis ≤ 0,088 Gew.-% mindestens eines alkylendverkappten nichtionischen alkoxylierten C8- bis C18-Alkoholtensids, das 4 bis 16 Alkylenoxideinheiten enthält, von Ethylenoxid und/oder Propylenoxid, vorzugsweise eines butylendverkappten nichtionischen alkoxylierten C12- bis C18-Alkoholtensids, das 8 bis 10 Alkylenoxideinheiten enthält, von Ethylenoxid;
    f) ≥ 0,5 Gew.-% bis ≤ 3,5 Gew.-%, bevorzugt ≥ 1 Gew.-% bis ≤ 3 Gew.-%, ferner bevorzugt ≥ 1,25 Gew.-% bis ≤ 2,75 Gew.-%, ebenfalls bevorzugt ≥1,3 Gew.-% bis ≤ 2,5 Gew.-%, außerdem bevorzugt ≥1,5 Gew.-%. % bis ≤ 2,3 Gew.-%, darüber hinaus bevorzugt ≥1,7 Gew.-% bis ≤ 2,25 Gew.-%, und noch bevorzugter ≥1,5 Gew.-% bis ≤ 2,0 Gew.-%, einer alkalischen Quelle, vorzugsweise Natriumhydroxid
    g) ein Lösungsmittel, vorzugsweise Wasser, auf 100 Gew.-% zugegeben wird; wobei die Gew.-% der Komponenten auf dem Gesamtgewicht der flüssigen Reinigungszusammensetzung basieren und 100 Gew.-% nicht überschreiten.
  16. Verfahren nach einem der Ansprüche 1 bis 15, wobei der Glas-, Keramik-, Metall- und/oder Kunststoffgegenstand, vorzugsweise eine Flasche, zum Entfernen des Etiketts ein Tauchbad durchläuft, das die flüssige Reinigungszusammensetzung umfasst.
  17. Verfahren nach einem der Ansprüche 1 bis 16, wobei die Zeit zum Entfernen des Etiketts im Bereich von ≥ 60 Sekunden bis ≤ 480 Sekunden, vorzugsweise von ≥ 120 Sekunden bis ≤ 420 Sekunden, weiter bevorzugt von ≥ 150 Sekunden bis ≤ 390 Sekunden und ferner bevorzugt von ≥ 180 Sekunden bis ≤ 360 Sekunden liegt.
  18. Verwendung der flüssigen Reinigungszusammensetzung zum Waschen und/oder Entfernen von Etiketten von Glas-, Keramik-,
    Metall- oder Kunststoffware nach einem der Ansprüche 1 bis 17,
    vorzugsweise zum Reinigen von Flaschen.
  19. Flüssige Reinigungszusammensetzung zum Waschen und/oder Entfernen von Etiketten von Glas-, Keramik-, Metall- oder Kunststoffware nach einem der Ansprüche 1 bis 17.
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EP2638138B1 (de) 2019-06-12
ZA201304116B (en) 2014-03-26
WO2012062372A1 (en) 2012-05-18
PL3540033T3 (pl) 2023-12-04
EP2638138A1 (de) 2013-09-18
AU2016200969A1 (en) 2016-03-17
KR101782883B1 (ko) 2017-09-28
KR20140040069A (ko) 2014-04-02
AU2010363885B2 (en) 2015-11-26
JP2014500898A (ja) 2014-01-16
CN107474971B (zh) 2020-10-30
PL2638138T3 (pl) 2020-01-31
KR20170113679A (ko) 2017-10-12
AU2016200969B2 (en) 2017-07-20
BR112013006533B1 (pt) 2021-06-22
KR101915061B1 (ko) 2018-11-05
CN107474971A (zh) 2017-12-15
EP3540033C0 (de) 2023-08-23
MX2013004959A (es) 2013-06-28
CA2808962A1 (en) 2012-05-18
EP3540033B9 (de) 2024-10-09
CN103154221A (zh) 2013-06-12
EP3540033A1 (de) 2019-09-18
JP5907982B2 (ja) 2016-04-26
BR112013006533A2 (pt) 2019-09-03
AU2010363885A1 (en) 2013-03-14
CA2808962C (en) 2019-11-26

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