EP3353273A1 - Verfahren zur pflege und reinigung einer automatischen geschirrspülmaschine - Google Patents
Verfahren zur pflege und reinigung einer automatischen geschirrspülmaschineInfo
- Publication number
- EP3353273A1 EP3353273A1 EP16770918.7A EP16770918A EP3353273A1 EP 3353273 A1 EP3353273 A1 EP 3353273A1 EP 16770918 A EP16770918 A EP 16770918A EP 3353273 A1 EP3353273 A1 EP 3353273A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- acid
- job
- care
- cleaning
- water
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- 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
- 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
- C11D3/20—Organic compounds containing oxygen
- C11D3/2075—Carboxylic acids-salts thereof
- C11D3/2082—Polycarboxylic 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
- 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
-
- 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
- C11D2111/20—Industrial or commercial equipment, e.g. reactors, tubes or engines
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/0005—Other compounding ingredients characterised by their effect
- C11D3/0047—Other compounding ingredients characterised by their effect pH regulated compositions
Definitions
- the present invention relates to a method for the care and cleaning of automatic dishwashing machines, the fat and lime deposits in an automatic
- Dishwasher eliminated and can be used together with a machine dishwashing detergent in a normal dishwashing.
- Care products for eliminating such deposits are known in the art.
- the known care products are not used in the normal dishwashing programs for cleaning dishes together with a dishwashing detergent, but usually dosed into the empty dishwasher. This is due in particular to the fact that the known care products have a strongly negative effect on the cleaning action of conventional dishwashing detergents.
- compositions which comprise at least one nonionic surfactant and at least one acid or a buffer system comprising at least one acid and at least one base and which in a solution of 10% by weight in water have a pH of ⁇ 6, 5, meet these requirements by having very good fat and limescale properties, as well as not significantly affect the cleaning performance of the dishwashing detergent for the dishes.
- the present invention is therefore directed to methods for cleaning and / or maintaining an automatic dishwashing machine, in which in a normal cleaning cycle for cleaning dirty dishes, with a machine
- Dishwashing agent is formulated separately from the dishwashing detergent for automatic dishwashing machines, wherein the care agent (a) at least one nonionic surfactant, preferably a fatty alcohol alkoxylate, and (b) at least one acid or a
- Buffer system of at least one acid and at least one base, and wherein a 10 wt .-% solution of the care agent in water at 20 ° C has a pH of ⁇ 6.5, preferably ⁇ 6.0.
- This pH is preferably between 4.7 and 6.4, in particular between 5.0 and 6.0, very particularly preferably between 5.0 and 5.6.
- the conditioner is used in conjunction with a machine dishwashing detergent in a normal cleaning cycle for cleaning dirty dishes, i. in the presence of items to be cleaned (or dishes) used.
- a machine dishwashing detergent in a normal cleaning cycle for cleaning dirty dishes, i. in the presence of items to be cleaned (or dishes) used.
- At least one includes, but is not limited to, 1, 2, 3, 4, 5, 6 and more.
- Normal cleaning cycle refers to a program for cleaning dishes (dishes) of an automatic dishwashing machine Such a cleaning cycle may include one or more pre-rinse steps, one or more main rinse steps, and one or more drying steps automatic cleaning / rinsing of soiled dishes or dishes.
- nonionic surfactant employed in the care compositions herein may be any of the nonionic surfactants known to those skilled in the art. In preferred embodiments, however, nonionic surfactants from the group of alkoxylated alcohols are used.
- a class of preferably usable nonionic surfactants which can be used either as the sole nonionic surfactant or in combination with other nonionic surfactants are accordingly alkoxylated, preferably ethoxylated or ethoxylated and propoxylated fatty alcohols.
- the at least one nonionic surfactant comprises a fatty alcohol alkoxylate, especially a fatty alcohol ethoxylate.
- a fatty alcohol alkoxylate especially a fatty alcohol ethoxylate.
- non-end-capped fatty alcohol alkoxylates are preferred.
- the fatty alcohol ethoxylate has the formula (I)
- R is a linear or branched, substituted or unsubstituted alkyl group having 12 to 24, in particular 14 to 20, in particular 16 to 18 C atoms;
- EO is an ethylene oxide unit
- m is 10 to 50, in particular 20 to 30, preferably 22 to 27, in particular 25.
- the fatty alcohol ethoxylate has the formula (I)
- R is a linear or branched, substituted or unsubstituted alkyl group having 16 to 18 C atoms
- EO is an ethylene oxide unit; and m is 20 to 30, preferably 22 to 27, in particular 25.
- the alkyl group R is a linear, preferably unsubstituted, alkyl group having 16 to 18 carbon atoms.
- the fatty alcohol alkoxylate preferably the fatty alcohol ethoxylate, in particular the fatty alcohol ethoxylate of the formula (I) is in the care agent in an amount of from 1 to 40 wt.%, Preferably 2 to 20 wt.%, Particularly preferably 5 to 15 wt Contain care products. Such amounts are required to ensure adequate fat dissolution and removal.
- the absolute amount of the at least one fatty alcohol alkoxylate, preferably fatty alcohol ethoxylate, in particular fatty alcohol ethoxylate of the formula (I) in the composition is 0.1 to 4 g / job, preferably 1 to 3 g / job, in particular 1.5 to 2.5 g / job For example, 2 g / job.
- the term "g / job" in this context means that the care product contains in a quantity and form intended for a single use the stated amount of fatty alcohol ethoxylate. typically 10 to 50 g, preferably 15 to 30 g, in particular 20 to 25 g, can achieve good results in fat and lime removal per application
- the amount of care agent is such that the care agent lowers the pH of the wash liquor, preferably by up to a maximum of 2 units, more preferably to a pH in the range of greater than 7 to less than the pH of the wash liquor in the absence of the conditioner, most preferably one to a pH in the range of greater than 8 to less than the pH of the rinse stock in the absence of the conditioner
- Absence of the care product refers to the pH of the rinse liquor in the presence of only the automatic dishwashing detergent but without the care product according to the invention.
- the fatty alcohol alkoxylate preferably the fatty alcohol ethoxylate, in particular the
- Fatty alcohol ethoxylate of the formula (I) is preferably a fatty alcohol ethoxylate which is solid under standard conditions (temperature 25 ° C., pressure 1013 mbar) and can preferably be used in the form of a powder or granules.
- the agents described herein contain at least one second fatty alcohol alkoxylate of the formula (II)
- R 2 is a linear or branched, substituted or unsubstituted alkyl group having 10 to 16 C atoms
- R 3 is H or a linear or branched hydrocarbon radical having 2 to 26 carbon atoms
- each A is independently a radical selected from the group consisting of -CH 2 CH 2 - and -CH 2 -CH (CH 3 ) -, CH 2 -CH 2 -CH 2 -, CH 2 -CH 2 -CH 2 -CH 2 -, -CH 2 -CH (CH 2 -CH 3 ) -, -CH 2 -C (CH 3 ) 2 - or -CH 2 -CH 2 -CH (CH 3 ) -, wherein at least one A is -CH 2 CH 2 - and at least one is -CH 2 -CH (CH 3 ) -, CH 2 - CH 2 -CH 2 -,
- the ratio of ethylene oxide units and higher alkylene oxide units in the fatty alcohol alkoxylate of formula (II) is 12: 1 to 1: 1, preferably 10: 1 to 2: 1, more preferably 6: 1 to 3: 1 , Particularly preferred are those
- the fatty alcohol alkoxylate of the formula (II) is contained in the care agent in particular in an amount of 0.01 to 3 wt.%, Preferably 0.1 to 2 wt.%, More preferably 1 wt.% Based on the composition.
- the absolute amount of the fatty alcohol alkoxylate of the formula (II) in the composition is in particular 0.001 to 3 g / job, preferably 0.01 to 1 g / job, more preferably 0, 1 to 0.5, very particularly preferably 0.2 g / job.
- the weight ratio of the fatty alcohol alkoxylate, preferably the fatty alcohol ethoxylate, especially the fatty alcohol ethoxylate of formula (I) and the fatty alcohol alkoxylate of formula (II), is 20: 1 to 1: 1, preferably 15: 1 to 5: 1 , in particular 10: 1.
- the fatty alcohol ethoxylate of the formula (II) is preferably likewise a fatty alcohol ethoxylate which is solid under standard conditions (temperature 25 ° C., pressure 1013 mbar) and is preferably also used in the form of a powder or granules.
- the agents described herein may contain at least one other nonionic surfactant. All nonionic surfactants known to the person skilled in the art can be used as nonionic surfactants.
- Suitable nonionic surfactants are, for example, alkyl glycosides of the general formula RO (G) x in which R corresponds to a primary linear or methyl-branched, especially methyl-branched, 2-position aliphatic radical having 8 to 22, preferably 12 to 18, carbon atoms and G is the symbol which is a glycose unit having 5 or 6 C atoms, preferably glucose.
- the degree of oligomerization x which indicates the distribution of monoglycosides and oligoglycosides, is an arbitrary number between 1 and 10; preferably x is 1, 2 to 1, 4.
- Another class of useful nonionic surfactants are alkoxylated, preferably ethoxylated or ethoxylated and propoxylated fatty acid alkyl esters, preferably having from 1 to 4 carbon atoms in the alkyl chain.
- Nonionic surfactants of the amine oxide type for example N-cocoalkyl-N, N-dimethylamine oxide and N-tallowalkyl-N, N-dihydroxyethylamine oxide, and the fatty acid alkanolamides may also be suitable.
- the amount of these nonionic surfactants is preferably not more than that of the ethoxylated fatty alcohols, especially not more than half thereof.
- surfactants are the polyhydroxy fatty acid amides known as PHFA.
- the care compositions described herein further contain pH regulators in the form of at least one acid or buffer system containing at least one acid and at least one base.
- the pH of the agent can be adjusted such that a 10% solution (w / w) in distilled water at 20 ° C has a pH of ⁇ 6.5, preferably ⁇ 6.0.
- This pH is preferably between 4.7 and 6.4, in particular between 5.0 and 6.0, very particularly preferably between 5.0 and 5.6.
- Preferred acids are acids such as citric acid, oxalic acid or their hydrates, most preferably citric acid.
- polycarboxylic acids are suitable as acids, polycarboxylic acids meaning those carboxylic acids which carry more than one acid function. These are, for example, oxalic acid, citric acid, adipic acid, succinic acid, glutaric acid, malic acid, tartaric acid, maleic acid, fumaric acid, sugar acids, aminocarboxylic acids, nitrilotriacetic acid (NTA), if such use is not objectionable for ecological reasons, and mixtures of these.
- NTA nitrilotriacetic acid
- aminocarboxylic acids include aspartic acid, methylglycine diacetic acid (MGDA), and glutamic diacetic acid (GLDA) or ethylenediamine diacetic acid. Also suitable are iminodisuccinic acid (IDS) and iminodiacetic acid (IDA). However, it is preferred that the acids used are not amino carboxylic acids.
- Suitable bases are all bases known in the art for dishwashing detergents. However, it is preferred that in the buffer system of acid and base, the base corresponding to the acid, i. For example, citrate when citric acid is used as the acid. Preferably, therefore, organic acids and their corresponding bases are used.
- the acid or the buffer system of acid and base is in the care agent in an amount of 1 to 80 wt.%, Preferably 5 to 60 wt.%, Particularly preferably 20 to 45 wt.% Based on the care agent, based on the respective (crystal) anhydrous form. Such amounts are required to ensure adequate limescale removal.
- Composition based on the respective (crystal) anhydrous form, 0.2 to 16 g / job, preferably 3 to 10 g / job, particularly preferably 4 to 9 g / job, for example 7 to 8 g / job.
- the amounts given refer to the sum of acid and base.
- 2 to 5 g / job, preferably 2 to 4 g / job, more preferably 3 to 3.5 g / job base, for example citrate are used. It is understood that the amounts of acid and base in the
- Buffer system must be chosen so that the desired pH range is achieved.
- the acid used and optionally also bases are preferably solid under standard conditions (temperature 25 ° C., pressure 1013 mbar) and can preferably be used in the form of a powder, finely crystalline or in the form of granules.
- the agents according to the invention may comprise at least one further constituent, preferably selected from the group consisting of other surfactants, in particular anionic surfactants, further builders, enzymes, thickeners, sequestering agents, electrolytes, corrosion inhibitors, in particular silver protectants, glass corrosion inhibitors, foam inhibitors, dyes, fragrances, bitter substances, and antimicrobial agents.
- surfactants in particular anionic surfactants, further builders, enzymes, thickeners, sequestering agents, electrolytes, corrosion inhibitors, in particular silver protectants, glass corrosion inhibitors, foam inhibitors, dyes, fragrances, bitter substances, and antimicrobial agents.
- the agent is phosphate and / or phosphonate free. In other preferred embodiments, the agent is bleach-free.
- “Phosphate-free” and “phosphonate-free” as used herein means that the subject composition is substantially free of phosphates or phosphonates, i. in particular phosphates or phosphonates in amounts of less than 0.1 wt .-%, preferably less than 0.01 wt .-% based on the
- Total composition contains. It is preferred that a total amount of phosphorus of 0.3 g per job, preferably 0.03 g, is not exceeded.
- Preferred anionic surfactants are fatty alcohol sulfates, fatty alcohol ether sulfates, dialkyl ether sulfates, monoglyceride sulfates, alkylbenzenesulfonates, olefinsulfonates, alkanesulfonates, ether sulfonates, n-alkyl ether sulfonates, ester sulfonates and lignosulfonates.
- fatty acid cyanamides sulfosuccinates (sulfosuccinic acid esters), in particular sulfosuccinic acid mono- and di-alkyl esters having 8 to 18 C atoms,
- the anionic surfactants are preferably used as sodium salts, but may also be present as other alkali or alkaline earth metal salts, for example potassium or magnesium salts, and in the form of ammonium or mono-, di-, tri- or tetraalkylammonium salts, in the case of the sulfonates also in the form of their corresponding acid, eg Dodecylbenzenesulfonic.
- the other builders that can be used include carbonates and silicates, the use of which in the formulation of the amount of acid or of the buffer system having regard to buffer capacity and pH value being taken into account accordingly.
- the agents can as a builder also crystalline layered silicates of general formula NaMSix02x + i ⁇ y H2O wherein M is sodium or hydrogen, x is a number from 1, 9 to 22, preferably from 1: 9 to 4, particularly preferred values for x 2, 3 or 4, and y is a number from 0 to 33, preferably from 0 to 20. Can also be used amorphous
- the content of silicates, based on the total weight of the dishwashing detergent is limited to amounts below 10% by weight, preferably below 5% by weight and in particular below 2% by weight.
- Particularly preferred agents are silicate-free.
- perfume oils or perfumes within the scope of the present invention, individual fragrance compounds, e.g. the synthetic products of the ester, ether, aldehyde, ketone, alcohol and hydrocarbon type are used. Preferably, however, mixtures of different fragrances are used, which together produce an attractive fragrance.
- perfume oils may also contain natural fragrance mixtures such as are available from vegetable sources, e.g. Pine, citrus, jasmine, patchouli, rose or ylang-ylang oil.
- the preparation of care products described herein can be done in different ways.
- the agents may be in solid or liquid form as well as in a combination of solid and liquid forms. Powder, granules, extrudates, compacts, in particular tablets, are particularly suitable as firm supply forms.
- the liquid supply forms based on water and / or organic solvents may be thickened, in the form of gels.
- the care product is in a fixed supply form.
- solid means that the composition is in solid form under standard conditions (temperature 25 ° C., pressure 1013 mbar)
- the at least one surfactant and / or the at least one acid or the buffer system is 25 ° C (pressure 1013 mbar) in the solid state, for example as a powder or granules, and before - reduces - processed with the other ingredients of the solid care product - not the
- the agents described herein are preferably preformed into dosage units. These metering units preferably comprise the necessary for a cleaning cycle amount of washing or cleaning-active substances. Preferred metering units have a weight between 10 and 50 g, preferably between 20 and 30 g and in particular 25 g. In order to achieve an optimum cleaning result, those agents are preferred which are in the form of a prefabricated dosing unit.
- the volume of the aforementioned metering units and their spatial form can be chosen so that the metering of the prefabricated units can not be done via the metering chamber of a dishwasher, but the unit must be given directly into the interior of the dishwasher.
- compositions and compositions described herein may have a water-soluble coating.
- the prefabricated metering units are particularly preferably characterized by a water-soluble coating of a corresponding portion of amount according to the invention
- the prefabricated metering unit thus preferably comprises an inventive agent and a water-soluble wrapper / packaging.
- the water-soluble coating is preferably formed from a water-soluble film material selected from the group consisting of polymers or polymer blends.
- the wrapper may be formed of one or two or more layers of the water-soluble film material.
- the water-soluble film material of the first layer and the further layers, if present, may be the same or different. Particularly preferred are films which, for example, can be glued and / or sealed to packages such as hoses or cushions after being filled with an agent.
- the water-soluble wraps / packages are preferably
- the water-soluble containers / enclosures / packaging can also be produced by injection molding.
- Injection molding refers to the forming of a molding material such that the mass contained in a mass cylinder for more than one injection molding under
- thermoplastic molding compounds powders, granules, cubes, pastes, etc.
- liquefaction up to 180 ° C
- high pressure up to 140 MPa
- closed, two-piece that is from Gesenk (earlier Female) and core (former male) existing, preferably water cooled molds, where they cool and solidify.
- Gesenk earlier Female
- core former male
- Such shaped articles can also have one, two, three or more chambers and be filled with liquid and / or solid compositions, one of which compositions is one of the compositions according to the invention. It is possible, for example, to close the chambers on the open side with either a second molded body or with one or more water-soluble films (in particular as described herein).
- the release of the compositions in the chambers can be controlled arbitrarily after the desired release time, either all at once (either directly at the beginning of the cleaning cycle or at some point in the course of the cleaning cycle) or by varying the film composition at certain different times within the cycle of the dishwasher
- the water-soluble coating be polyvinyl alcohol or a
- Water-soluble coatings containing polyvinyl alcohol or a polyvinyl alcohol copolymer have a good stability with a sufficiently high water solubility, in particular cold water solubility on.
- Suitable water-soluble films for producing the water-soluble coating are preferably based on a polyvinyl alcohol or a polyvinyl alcohol copolymer whose
- Molecular weight in the range of 10,000 to 1,000,000 gmol "1 , preferably from 20,000 to 500,000 gmol, more preferably from 30,000 to 100,000 gmol " 1 and in particular from 40,000 to 80,000 gmol.
- polyvinyl alcohol is usually carried out by hydrolysis of polyvinyl acetate, since the direct synthesis route is not possible.
- polyvinyl alcohol copolymers which are prepared from correspondingly polyvinyl acetate copolymers. It is preferred if at least one layer of the water-soluble coating comprises a polyvinyl alcohol whose degree of hydrolysis makes up 70 to 100 mol%, preferably 80 to 90 mol%, particularly preferably 81 to 89 mol% and in particular 82 to 88 mol%.
- a polymer selected from the group comprising a polyvinyl alcohol-containing sheet material suitable for producing the water-soluble sheath is selected from the group comprising a polyvinyl alcohol-containing sheet material suitable for producing the water-soluble sheath
- (Meth) acrylic acid-containing (co) polymers polyacrylamides, oxazoline polymers, polystyrene sulfonates, polyurethanes, polyesters, polyethers, polylactic acid or mixtures of the above polymers may be added.
- a preferred additional polymer is polylactic acids.
- Preferred polyvinyl alcohol copolymers include, in addition to vinyl alcohol, dicarboxylic acids as further monomers. Suitable dicarboxylic acids are itaconic acid, malonic acid, succinic acid and mixtures thereof, with itaconic acid being preferred.
- polyvinyl alcohol copolymers include, in addition to vinyl alcohol, an ethylenically unsaturated carboxylic acid, its salt or its esters.
- Such polyvinyl alcohol copolymers particularly preferably contain, in addition to vinyl alcohol, acrylic acid, methacrylic acid, acrylates, methacrylates or mixtures thereof.
- the film material contains further additives.
- the film material may include, for example, plasticizers such as dipropylene glycol, ethylene glycol, diethylene glycol,
- Additives include, for example, release aids, fillers, crosslinking agents, surfactants, antioxidants, UV absorbers, antiblocking agents, detackifiers, or mixtures thereof.
- Suitable water-soluble films for use in the water-soluble casings of the water-soluble packaging according to the invention are films sold by the company MonoSol LLC, for example under the designation M8630, C8400 or M8900.
- Other suitable films include films named Solublon® PT, Solublon® GA, Solublon® KC or Solublon® KL from Aicello Chemical Europe GmbH or the films VF-HP from Kuraray.
- the use of the care product according to the invention in a water-soluble coating has the advantage that, in contrast to the usual commercial bottles, which are sealed with a wax seal, which dissolves only at high water temperatures, the pre-proportioned dosing already at lower temperatures and therefore possibly early in the Expiration of the cleaning process or can be released in the rinse cycle. Also takes such a proportionately pre-proportioned dosing usually less space than one of the previously used customary traffic to complete, which must either be hung in the machine or placed in the cutlery basket. It can also be placed anywhere inside the dishwasher.
- the care product according to the invention can be metered into the interior of a dishwasher before or during the passage of a dishwashing program (in the presence of items to be cleaned, in particular dirty dishes) either before the main wash cycle starts or during the main wash cycle.
- the dosing or the entry of the agent according to the invention in the interior of the Dishwasher can be done manually.
- the care agent is applied directly at the beginning of the cleaning cycle, preferably before machine
- Dishwashing detergent dosed into the interior of the automatic dishwasher.
- the dosing of the care agent in the interior of the dishwasher takes place before or at the beginning of the rinsing cycle and before the dosing of the automatic dishwashing detergent on the dosing at the beginning of the main wash cycle.
- inventive method with a care agent according to the invention can be applied to all commercial dishwashers, especially household dishwashers, possible programs. However, in preferred methods
- Dishwashing used to save energy typically have nominal rinse temperatures of typically 45 to 55 ° C.
- the method is characterized in that in its course the temperature of the cleaning liquor in
- Main rinse to values less than 70 ° C, preferably less than 60 ° C and preferably on
- Example 1 Influence on the Cleaning Performance of a Multifunction Machine Dishwashing Tab
- Formulations E2 and E3 were mixed in and the pH of a 10% solution in distilled water was determined:
- Formulation E4 was investigated analogously, in addition 21 g of the formulation were added to the bottom of the dishwasher interior loaded with a Somat 7-tab (Henkel) in the dosing compartment and the pH of the rinse liquor was measured immediately after dissolving the machine cleaner formula in the rinse water, and later the pH of the rinsing liquor after dissolving the Somat 7 tab. 10%: pH 5.2
- the filter of the automatic dishwashing machine was first soiled with grease, and then to determine the performance of the care product in this soiled machine:
- a commercial machine dishwashing detergent that allows for the desired build up of fat in less than 10 cycles.
- formulations with sufficient amount of drying surfactant are suitable.
- the filter Before the passage the filter is weighed dry (two parts). The grease soiling is placed directly in the top basket of the machine, and the dishwashing detergent placed in the dispenser. A cycle is then run with the "Glass 40 ° C" program, then the filter is removed, the remaining water is drained off for 30 minutes and the amount of fat is determined by means of a balance and the process is repeated until a fat mass of approx g is constructed.
- the formulation E4 (21 g) was tested with various commercially available dishwashing detergents. The remaining amount of grease with care product was thereby 23 - 32% lower than the remaining amount of fat without the care product.
- Suitable plates can be obtained, for example, from Naturstein Kohlenberg in Dusseldorf, Germany as IPP test plates made from Bianco Carrara "CD" marble in the format 150/75/5 mm.
- the marble slabs are freed of coarse dirt and dust with the help of a dry cloth. Then they are with ethanol rinsed off and again wiped with a dry, clean cloth, then dry for about 5min in the air. Now the plates are marked by engraving and on one
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Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL16770918.7T PL3353273T5 (pl) | 2015-09-25 | 2016-09-21 | Sposób pielęgnacji i czyszczenia automatycznej zmywarki do naczyń |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015218475.7A DE102015218475A1 (de) | 2015-09-25 | 2015-09-25 | Verfahren zur Pflege und Reinigung einer automatischen Geschirrspülmaschine |
| PCT/EP2016/072357 WO2017050796A1 (de) | 2015-09-25 | 2016-09-21 | Verfahren zur pflege und reinigung einer automatischen geschirrspülmaschine |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP3353273A1 true EP3353273A1 (de) | 2018-08-01 |
| EP3353273B1 EP3353273B1 (de) | 2021-02-24 |
| EP3353273B2 EP3353273B2 (de) | 2023-12-06 |
Family
ID=57003493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16770918.7A Active EP3353273B2 (de) | 2015-09-25 | 2016-09-21 | Verfahren zur pflege und reinigung einer automatischen geschirrspülmaschine |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20180208878A1 (de) |
| EP (1) | EP3353273B2 (de) |
| DE (1) | DE102015218475A1 (de) |
| ES (1) | ES2860723T5 (de) |
| PL (1) | PL3353273T5 (de) |
| WO (1) | WO2017050796A1 (de) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102448861B1 (ko) * | 2016-01-05 | 2022-09-30 | 엘지전자 주식회사 | 식기 세척기 및 식기 세척기의 제어방법 |
| DE102018222240A1 (de) * | 2018-12-19 | 2020-06-25 | Henkel Ag & Co. Kgaa | Reinigungsmittelportion für automatische Geschirrspülmaschinen |
| DE102019220454A1 (de) * | 2019-12-20 | 2021-06-24 | Henkel Ag & Co. Kgaa | Verfahren zur Reinigung und Pflege einer automatischen Geschirrspülmaschine |
| DE102019220459A1 (de) * | 2019-12-20 | 2021-06-24 | Henkel Ag & Co. Kgaa | Verfahren zur Reinigung und Pflege einer automatischen Geschirrspülmaschine |
| DE102019220460A1 (de) * | 2019-12-20 | 2021-06-24 | Henkel Ag & Co. Kgaa | Verfahren zur Reinigung und Pflege einer automatischen Geschirrspülmaschine |
| DE102020216106A1 (de) * | 2020-12-17 | 2022-06-23 | Henkel Ag & Co. Kgaa | Verfahren zur Reinigung und Pflege einer automatischen Geschirrspülmaschine |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2259830B2 (de) * | 1972-12-07 | 1981-01-29 | Hoechst Ag, 6000 Frankfurt | Verfahren zum maschinellen Spülen von Geschirr, Bestecken oder Gläsern |
| DE3002789A1 (de) | 1980-01-26 | 1981-07-30 | Henkel KGaA, 4000 Düsseldorf | Fluessiges reinigung- und pflegemittel |
| EP0256148A1 (de) | 1986-08-12 | 1988-02-24 | Joh. A. Benckiser GmbH | Flüssiges, granuliertes oder pulverförmiges Reinigungsmittel, insbesondere für Geschirrspülmaschinen |
| DE19963569B4 (de) | 1999-12-29 | 2006-11-16 | Reckitt Benckiser N.V. | Zusammensetzung zur Verwendung in einer Geschirrspülmaschine |
| GB0004130D0 (en) | 2000-02-23 | 2000-04-12 | Procter & Gamble | Detergent tablet |
| DE20022229U1 (de) * | 2000-07-07 | 2001-07-12 | Henkel KGaA, 40589 Düsseldorf | Maschinengeschirrspülmittel mit Zusatznutzen |
| FR2831181A1 (fr) * | 2001-10-23 | 2003-04-25 | Rhodia Polyamide Intermediates | Tablette antitartre acide et son utilisation en lavage automatique de la vaisselle |
| US6750186B2 (en) * | 2002-02-04 | 2004-06-15 | Robert Black | Composition and method for cleaning dishwashers |
| EP1679363B1 (de) * | 2005-01-10 | 2008-07-09 | The Procter and Gamble Company | Reinigungungsmittel für Geschirrspül- oder Waschgeräte |
| GB0524009D0 (en) | 2005-11-25 | 2006-01-04 | Reckitt Benckiser Nv | Composition and method |
| GB0525314D0 (en) | 2005-12-13 | 2006-01-18 | Reckitt Benckiser Nv | Method and composition |
| DE202009009335U1 (de) | 2009-07-07 | 2009-10-01 | Thurn-Produkte Gmbh & Co. Kg | Behältnis |
| PL2333042T3 (pl) * | 2009-12-10 | 2015-12-31 | Procter & Gamble | Produkt do automatycznych zmywarek do mycia naczyń i jego wykorzystanie |
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2015
- 2015-09-25 DE DE102015218475.7A patent/DE102015218475A1/de not_active Withdrawn
-
2016
- 2016-09-21 EP EP16770918.7A patent/EP3353273B2/de active Active
- 2016-09-21 ES ES16770918T patent/ES2860723T5/es active Active
- 2016-09-21 PL PL16770918.7T patent/PL3353273T5/pl unknown
- 2016-09-21 WO PCT/EP2016/072357 patent/WO2017050796A1/de not_active Ceased
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2018
- 2018-03-21 US US15/927,265 patent/US20180208878A1/en not_active Abandoned
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|---|---|
| PL3353273T3 (pl) | 2021-08-02 |
| PL3353273T5 (pl) | 2024-02-26 |
| WO2017050796A1 (de) | 2017-03-30 |
| ES2860723T3 (es) | 2021-10-05 |
| US20180208878A1 (en) | 2018-07-26 |
| EP3353273B1 (de) | 2021-02-24 |
| ES2860723T5 (es) | 2024-06-26 |
| EP3353273B2 (de) | 2023-12-06 |
| DE102015218475A1 (de) | 2017-03-30 |
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