EP0014980B1 - Agent combiné de lavage et de rinçage pour la vaisselle et procédé pour le lavage et le rinçage simultanés de la vaisselle dans des machines à laver la vaisselle - Google Patents

Agent combiné de lavage et de rinçage pour la vaisselle et procédé pour le lavage et le rinçage simultanés de la vaisselle dans des machines à laver la vaisselle Download PDF

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Publication number
EP0014980B1
EP0014980B1 EP80100805A EP80100805A EP0014980B1 EP 0014980 B1 EP0014980 B1 EP 0014980B1 EP 80100805 A EP80100805 A EP 80100805A EP 80100805 A EP80100805 A EP 80100805A EP 0014980 B1 EP0014980 B1 EP 0014980B1
Authority
EP
European Patent Office
Prior art keywords
weight
water
alkali
washing
soluble
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.)
Expired
Application number
EP80100805A
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German (de)
English (en)
Other versions
EP0014980A1 (fr
Inventor
Jochen Dr. Kaufmann
Theodor Dr. Altenschöpfer
Holger Dr. Tesmann
Adolf Asbeck
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henkel AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
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Filing date
Publication date
Application filed by Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Publication of EP0014980A1 publication Critical patent/EP0014980A1/fr
Application granted granted Critical
Publication of EP0014980B1 publication Critical patent/EP0014980B1/fr
Expired legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3707—Polyethers, e.g. polyalkyleneoxides
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • 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
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/395—Bleaching agents
    • C11D3/3958—Bleaching agents combined with phosphates

Definitions

  • the invention relates to a means for the simultaneous machine cleaning and rinsing of dishes and a method for the simultaneous cleaning and rinsing of dishes in dishwashers.
  • the cleaner has the task of swelling the food residues during the cleaning cycle of the dishwasher, detaching them from the dishes and dispersing them in the detergent fleet.
  • the dishes are washed with the addition of rinse aid. Due to its composition, the rinse aid has the task, on the one hand, of relaxing the water, so that the water forms a closed, increasingly thinner film on the surface of the dishes, which then peels off, and, on the other hand, of ensuring that the dishes are uniform after drying Has gloss.
  • a machine-applicable powder dishwashing detergent with a content of condensed phosphates, silicates, alkalis, nonionic surfactants, active chlorine-releasing compounds and water-soluble organic polymers which is characterized in that it is - based on the total weight of the above-mentioned constituents, including any adhesives present Water or water of hydration - as nonionic surfactant 0.5-5, preferably 0.8-2 percent by weight of an ethoxylated and then propoxylated fatty alcohol and as water-soluble organic polymers 0.2-2.5, preferably 0.8-1.2 percent by weight of polyethylene glycols an average molecular weight between 300,000 and 4,000,000, preferably between 500,000 and 1,000,000.
  • Machine-applicable powder dishwashing detergents containing condensed phosphates, silicates, alkalis, ethoxylated and propoxylated fatty alcohols, active chlorine-releasing compounds and water-soluble organic polymers are already known from DE-A 25 01 529.
  • a corresponding teaching can also be found in DE-A 24 35 479. This does not make the use of rinse aid after the automatic cleaning cycle of the dishwasher unnecessary.
  • nonionic surfactants mentioned are known in a known manner by reacting about one mole of a mixture of C 12 -C 18 , preferably C, 2-C1, fatty alcohols with 1, preferably 1-3, moles of ethylene oxide and then 2-7, preferably 4 -6 moles of propylene oxide produced.
  • the polyethylene glycols are prepared in a known manner, namely, for example, by subjecting ethylene glycols to a polycondensation process. They can also be considered as condensation polymers of ethylene oxide with ethylene glycol or water. They have the general formula HO (-CH2-CH2-O) nH, where n can vary between 4,800 and 64,000 in the case of the polyethylene glycols used according to the invention. Such polymers are also commercially available and are sold by Union Carbon Carbide Corporation (UCC) under the registered trademark "POL YOX @".
  • Condensed phosphates suitable for the purposes of the invention are the water-soluble alkali metal salts of di- or triphosphoric acid or the water-soluble alkali metal hexametaphosphates which are usually used as complexing agents in dishwashing detergents.
  • Sodium or potassium metasilicates are used as alkali metal silicates, in which the ratio of alkali oxide to silicon dioxide is 1: 0.9 to 1: 1.5. These compounds are preferably anhydrous. However, they can contain 4.70 to 5 moles of water of crystallization.
  • Suitable alkali metal hydroxides or alkali metal carbonates are primarily sodium or potassium hydroxide or the corresponding carbonates.
  • water-soluble alkali silicates are those in which the ratio of alkali oxide to silicon dioxide is approximately 1: 1.5 to 3.8 and which are generally known as sodium or potassium water glass.
  • Trichloroisocyanuric acid or its alkali metal salts e.g. B. potassium and sodium dichloroisocyanurate or their dihydrates or mixtures thereof.
  • alkali and alkaline earth hypochlorites such as lithium, sodium or calcium hypochlorite as well as complex salts containing hypochlorites, e.g. so-called chlorinated phosphates, trichloromelamine, chloramine T and other active chlorine-releasing compounds.
  • the amounts stated in the description of the invention relate to salts free of hydrated water.
  • the claimed mixtures may optionally contain smaller amounts of further components, in particular inorganic salts such as sodium sulfate or sodium chloride.
  • inorganic salts such as sodium sulfate or sodium chloride.
  • Other possible additives are substances with a buffering action, such as sodium acetate, dyes, perfumes, and corrosion inhibitors, such as sodium and calcium compounds, e.g. B. NaOH and Ca (OH) 2 ' zeolites. This would inevitably reduce the proportion of the building blocks of the funds accordingly if all the components were to be 100 percent by weight.
  • the claimed powdery compositions can be packaged in a known manner by grinding and mixing the constituents. In order to achieve an intimate connection of the powder constituents, it may be appropriate to mix the powder with an aqueous solution of crystallizing salts, e.g. B. sodium sulfate or one of the nonionic surfactants mentioned. This treatment also reduces the tendency of the powder to dust.
  • crystallizing salts e.g. B. sodium sulfate or one of the nonionic surfactants mentioned. This treatment also reduces the tendency of the powder to dust.
  • the claimed detergent combinations are characterized by a high cleaning ability. They are particularly suitable for removing burnt-on, protein-containing food residues, lipstick marks and tea stains. They are able to prevent the formation of starch deposits on the tableware surfaces or to remove existing coverings again. Particularly noteworthy is the low corrosion effect of the claimed mixtures, particularly in the case of porcelain overglaze decorations.
  • the claimed agents can be used both in household dishwashers and in commercial dishwashers. It is added by hand or using suitable dosing devices.
  • the application concentrations in the cleaning liquor are about 0.5-10, preferably 2-5 g / l.
  • the pH values of the cleaning liquors are between pH 7-13, preferably pH 8-12.
  • the advantage of the claimed agents is that no rinse aid needs to be added in the last rinse, but only rinsed with pure tap water and still a rinse aid result is achieved that is at least as good or even better than that of the conventional method using the two-way combination of a detergent and a rinse aid. This simplifies the handling of the dishwasher, because after the cleaning cycle using the new dishwashing detergent alone, it is sufficient for a perfect washing result to rinse the dishes with clear water and then dry them as usual. After drying you get a completely clean and hygienically perfect dishes.
  • the present invention therefore also relates to a method for the simultaneous machine cleaning and rinsing of dishes, which is characterized by the use and the one-time and sole addition of the claimed agents in the cleaning cycle of a dishwasher.
  • a point system of 0-10 was also used for the evaluation of the clear dry effect on the glasses, whereby 0 points mean «completely inadequate clear drying (stripes, stains, etc.) and 10 points « perfect clear drying (high-gloss glasses without streaks and stains).
  • the mean values of the cleaning and clear dryer results were determined for each mixture from double experiments. For comparison, the mean values of the cleaning and clear drying effects of a commercial rinse aid and an inventive detergent combination using a commercial rinse aid were also determined.
  • the commercial cleaner had the following composition: 36% sodium tripolyphosphate, 39% sodium metasilicate, 6% sodium carbonate, 2% sodium dichloroisocyanurate, 1% nonionic surfactant and 16% water. It was used at a concentration of 3 g / 1 liquor.
  • the commercial rinse aid was composed of 15% of a nonionic surfactant and 20% citric acid in aqueous alcoholic solution and was used in a concentration of 0.3 g / l of liquor.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Detergent Compositions (AREA)

Claims (4)

1. Agent de nettoyage de la vaisselle pulvérulent utilisable en machine, ayant une teneur en phosphates condensés, silicates, alcalis, tensioactifs non ioniques, composés libérant du chlore actif et polymères organiques solubles dans l'eau, caractérisé en ce que - par rapport au poids total des constituants cités ci-dessus, y compris l'eau adhérente éventuellement présente ou l'eau d'hydratation - il contient comme tensioactif non ionique 0,5-5, de préférence 0,8-2 % en poids d'un alcool gras éthoxylé et ensuite propoxylé et comme polymères organiques solubles dans l'eau 0,2-2,5 de préférence 0,8-1,2 % en poids de polyéthylène glycols ayant un poids moléculaire moyen entre 300.000 et 4.000.000, de préférence entre 500.000 et 1.000.000.
2. Agent selon la revendication 1, caractérisé en ce qu'il contient comme tensioactif non ionique un mélange d'alcools gras en C,2-C,8-, de préférence en Cl2-Cl4, ayant réagi par mole avec 1-5, de préférence 1-3 moles d'oxyde d'éthylène et ensuite avec 2-7, de préférence 4-6 moles d'oxyde de propylène.
3. Agents selon les revendications 1 et 2, caractérisés en ce qu'ils consistent essentiellement en :
20-55 , de préférence 30-45 % en poids d'un phosphate alcalin condensé soluble dans l'eau,
30-60 , de préférence 35-40 % en poids d'un métasilicate alcalin,
2-15 , de préférence 5-10 % en poids d'un hydroxyde alcalin et/ou d'un carbonate alcalin,
0- 8 , de préférence 3-5 % en poids d'un silicate alcalin soluble dans l'eau,
1-10 , de préférence 1,5-5% en poids d'un composant libérant du chlore actif,
0,5-5 , de préférence 0,8-2 % en poids d'un alcool gras éthoxylé et ensuite propoxylé,
0,2-2,5, de préférence 0,8-1,5 % en poids d'un polyéthylène glycol soluble dans l'eau ayant un poids moléculaire moyen entre 300.000 et 4.000.000, de préférence entre 500.000 et 1.000.000, de même que
0-20 , % en poids d'eau.
4. Procédé pour le nettoyage et le rinçage limpide simultanés en machine de la vaisselle, caractérisé par l'utilisation et l'addition en une fois et unique de l'agent selon les revendications 1 à 3 dans le programme de nettoyage d'une machine à laver la vaisselle.
EP80100805A 1979-02-22 1980-02-18 Agent combiné de lavage et de rinçage pour la vaisselle et procédé pour le lavage et le rinçage simultanés de la vaisselle dans des machines à laver la vaisselle Expired EP0014980B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2906891 1979-02-22
DE19792906891 DE2906891A1 (de) 1979-02-22 1979-02-22 Maschinell anwendbares kombiniertes geschirreinigungs- und klarspuelmittel und verfahren zum gleichzeitigen reinigen und klarspuelen von geschirr in geschirrspuelmaschinen

Publications (2)

Publication Number Publication Date
EP0014980A1 EP0014980A1 (fr) 1980-09-03
EP0014980B1 true EP0014980B1 (fr) 1983-02-16

Family

ID=6063637

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80100805A Expired EP0014980B1 (fr) 1979-02-22 1980-02-18 Agent combiné de lavage et de rinçage pour la vaisselle et procédé pour le lavage et le rinçage simultanés de la vaisselle dans des machines à laver la vaisselle

Country Status (3)

Country Link
EP (1) EP0014980B1 (fr)
AT (1) AT376449B (fr)
DE (2) DE2906891A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8308263D0 (en) * 1983-03-25 1983-05-05 Unilever Plc Aqueous liquid detergent composition
US4545917A (en) * 1984-02-09 1985-10-08 Creative Products Resource Associates Ltd. Automatic dishwasher product in solid form
US4624713A (en) * 1984-11-15 1986-11-25 Economics Laboratory, Inc. Solid rinse aids and methods of warewashing utilizing solid rinse aids
GB8527772D0 (en) * 1985-11-11 1985-12-18 Unilever Plc Non-aqueous built liquid detergent composition
DE3730179A1 (de) * 1987-09-09 1989-03-23 Henkel Kgaa Verdickte waessrige tensidloesungen, insbesondere fuer deren einsatz auf dem gebiet kosmetischer praeparate
GB9322806D0 (en) * 1993-11-05 1993-12-22 Dow Europ Sa Aqueous alkaline composition
US5759978A (en) * 1995-12-06 1998-06-02 Basf Corporation Non-phosphate machine dishwashing compositions containing polycarboxylate polymers and polyalkylene oxide homopolymers
MY141250A (en) * 2005-08-11 2010-03-31 Kao Corp Detergent composition for hand-washing
WO2012045365A1 (fr) 2010-10-08 2012-04-12 Ecolab Inc. Efficacité de nettoyage d'une matière solide sans danger pour les métaux pour le traitement automatisé d'instruments

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2062463A1 (de) * 1970-12-18 1972-06-22 Henkel & Cie GmbH, 4000 Düsseldorf Klarspülmittel für das maschinelle Spülen von Geschirr
DE2101508C3 (de) * 1971-01-14 1979-05-17 Henkel Kgaa, 4000 Duesseldorf Geschirrspulmittel
DE2435479A1 (de) * 1974-07-24 1976-02-12 Henkel & Cie Gmbh Geschirrspuelmittel
DE2501529A1 (de) * 1975-01-16 1976-07-22 Hoechst Ag Pulverfoermiges reinigungsmittel
CA1092476A (fr) * 1976-02-23 1980-12-30 Philip M. Sabatelli Detergent pour machine a laver la vaisselle

Also Published As

Publication number Publication date
DE2906891A1 (de) 1980-09-04
EP0014980A1 (fr) 1980-09-03
ATA96780A (de) 1984-04-15
DE3061952D1 (en) 1983-03-24
AT376449B (de) 1984-11-26

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