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EP0808354A1 - Detergents aqueux s'epaississant pour surfaces dures - Google Patents

Detergents aqueux s'epaississant pour surfaces dures

Info

Publication number
EP0808354A1
EP0808354A1 EP96902949A EP96902949A EP0808354A1 EP 0808354 A1 EP0808354 A1 EP 0808354A1 EP 96902949 A EP96902949 A EP 96902949A EP 96902949 A EP96902949 A EP 96902949A EP 0808354 A1 EP0808354 A1 EP 0808354A1
Authority
EP
European Patent Office
Prior art keywords
cleaning agent
water
ether
agent according
alkyl
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
Application number
EP96902949A
Other languages
German (de)
English (en)
Other versions
EP0808354B1 (fr
Inventor
Dimitrios Ouzounis
Wolfgang Nierhaus
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.)
Ecolab GmbH and Co OHG
Original Assignee
Henkel Ecolab GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7753500&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0808354(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Henkel Ecolab GmbH and Co KG filed Critical Henkel Ecolab GmbH and Co KG
Publication of EP0808354A1 publication Critical patent/EP0808354A1/fr
Application granted granted Critical
Publication of EP0808354B1 publication Critical patent/EP0808354B1/fr
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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
    • C11D1/825—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
    • C11D1/662—Carbohydrates or derivatives
    • 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
    • C11D1/75—Amino oxides

Definitions

  • the invention is in the field of cleaning hard surfaces in industrial, social or municipal areas, such as surface cleaning in the food industry, in canteen kitchens, swimming pools, warehouses, etc. It relates to a cleaning agent which thickens when mixed with water that after manual application or after application with spray or foam devices, the contact time with vertical or inclined surfaces is extended, which increases the cleaning effect. After the intended exposure time, it can be rinsed off with water.
  • EP-B-265 979 discloses thickening premixes for the production of thickened aqueous single-phase cleaning agents which consist of 0.1 to 10% by weight of a surfactant, which can be, for example, a tertiary amine oxide, and 0.01 to 3% by weight .-% of an organic anionic sulfonate exist.
  • a surfactant which can be, for example, a tertiary amine oxide, and 0.01 to 3% by weight .-% of an organic anionic sulfonate exist.
  • EP-A-595 590 teaches aqueous concentrates which, when diluted with water, give a viscous cleaning solution and which contain tertiary amine oxides, anionic surfactants based on sulfate or sulfonate, hydrophobically modified polymeric surfactants, diluents such as, for example, lower alcohols or lower alkyl ethers and alkalis contain.
  • EP-A-314 232 discloses aqueous mixtures whose viscosity increases on dilution with water and which contain, for example, an amine oxide, an anionic surfactant, water-non-surfactant compounds and water.
  • a cleaning agent for hard surfaces is known from WO 86/05199, which contains a combination of an alkyl polyglycoside with, for example, tertiary alkyl inoxides.
  • This cleaning agent contains no water-soluble organic solvent based on alcohol or glycol ether, and it has no thickening properties when diluted with water.
  • EP-A-75 996 discloses a detergent composition for textile washing which contains 1 to 90% of an alkyl polysaccharide, 1 to 90% of a nonionic surfactant, for example a tertiary amine oxide, 0 to 90% by weight of a detergent builder and 0.01 to 2 % of an anionic optical brightener contains.
  • This agent also contains no organic solvent and shows no thickening properties, which would also be rather disadvantageous in textile washing.
  • the invention has for its object to provide a new low-viscosity cleaning concentrate, the viscosity of which increases when diluted with water.
  • the invention relates to aqueous detergents which are thickenable by adding water and which contain: a) 0.5 to 10% by weight of one or more tertiary amine oxides of the general formula (I)
  • R 1 is a saturated or mono- to tri-unsaturated alkyl group having 10 to 20 carbon atoms and R 2 and R ⁇ independently of one another are methyl, ethyl, propyl radicals or their hydroxide derivatives, b) 0.5 to 10% by weight % of one or more alkyl polyglycosides of the general formula (II)
  • R ⁇ is a monovalent saturated or unsaturated alkyl or hydroxyalkyl or aryl radical having 6 to 30 C atoms
  • R5 is a divalent hydrocarbon radical having 2 to 4 C atoms
  • y is a number between 0 and 12
  • Z is a sugar radical 5 or 6 carbon atoms
  • x represent a number between 1 and 10
  • WO 86/05199 lists usable amine oxides of the general formula (I). Examples of this are lauryldimethylamine oxide, myristyldimethylamine oxide or those amine oxides in which R * is a mixture of saturated or mono- or polyunsaturated alkyl radicals, as are present in the fats of natural origin and can be obtained therefrom. Amine oxides in which R * stands for an alkyl group mixture of fatty chemical origin are preferred in the context of the present invention. Those amine oxides in which the substituents R 2 and R ⁇ are 2-hydroxyethyl radicals are particularly preferred. Examples of such amine oxides are bis (2-hydroxyethyl) cocosamine oxide, bis (2-hydroxyethyl) tallow amine oxide and
  • Alkyl polyglycosides represent a newer nonionic class of surfactants, the alkyl groups of which originate from native fats, oils or alcohols made from petrochemicals and the sugar residues of which come from hydrolytically split polysaccharides.
  • the alkyl polyglycosides are etherification products of fatty alcohols of oleochemical or petrochemical origin with mono- or oligosaccharides, and the sugar residues can additionally be alkoxylated with the fatty alcohols prior to etherification. This gives alkyl polyglycosides of the general formula (II), which are described, for example, in WO 86/05199.
  • alkyl polyglycosides are in the As a rule, no molecularly uniform products, but represent alkyl ethers of mixtures of mono- and different oligosaccharides.
  • preference is given to those alkyl polyglycosides, also referred to as APG for short, which are based on non-ethoxylated sugars, in which case y in the general formula (II) 0 means.
  • a glucose residue is preferably used as the sugar residue Z, which is present as a single glucose unit or as an oligoglucose unit with up to about 5 glucose groups.
  • the alkyl radical R 4 is preferably a saturated or unsaturated alkyl radical having 8 to 16 carbon atoms, preferably having 8 to 10 carbon atoms, or mixtures thereof.
  • Suitable solvents of group c) are generally monohydric or polyhydric alcohols, alkanolamines or glycol ethers, provided they are miscible with water in the concentration range indicated.
  • the solvent is preferably selected from ethanol, n- or i-propanol, butanols, glycol, propane or butanediol, glycerol, diglycol, propyl or butyl diglycol, ethylene glycol methyl ether, ethylene glycol ethyl ether, ethylene glycol propyl ether, ethylene glycol mono-n-butyl ether, diethylene glycol methyl ether, diethylene glycol - ethyl ether, propylene glycol methyl, ethyl or propyl ether, propylene glycol methyl or ethyl ether, methoxy, ethoxy or butoxytriglycol, l-butoxyethoxy-2-propanol, 3-methyl-3-methoxy
  • the concentrations of the components essential to the invention are preferably chosen such that the weight ratio of components a): b): c) is in the range from 3: (1 to 5): (1 to 10).
  • the cleaning agent according to the invention can contain further components, for example alkalis, chelate complexing agents, builder substances, further anionic and / or nonionic surfactants, enzymes, preservatives, dyes and / or perfumes.
  • alkalis examples include sodium or potassium hydroxide, sodium or potassium carbonate and sodium or potassium licates.
  • Suitable chelating agents are, for example, alkali metal salts of ethylenediaminetetraacetic acid (EDTA) or of nitrilotriacetic acid (NTA) and alkali metal salts of anionic polyelectrolytes such as polyacrylates, polyaleates and polysulfonates.
  • EDTA ethylenediaminetetraacetic acid
  • NTA nitrilotriacetic acid
  • anionic polyelectrolytes such as polyacrylates, polyaleates and polysulfonates.
  • Low molecular weight hydroxycarboxylic acids such as citric acid, tartaric acid, malic acid or gluconic acid are also suitable.
  • Suitable complexing agents can also be selected from organophosphonates such as, for example, l-hydroxyethane-l, l-diphosphonic acid, aminotri (methylenephosphonic acid), hexamethylenediaminetetra (methylenephosphonic acid), diethylenetriaminepenta (methylenephosphonic acid) and l-phosphonobutane-l, 2,4 -tricarboxylic acid.
  • organophosphonates such as, for example, l-hydroxyethane-l, l-diphosphonic acid, aminotri (methylenephosphonic acid), hexamethylenediaminetetra (methylenephosphonic acid), diethylenetriaminepenta (methylenephosphonic acid) and l-phosphonobutane-l, 2,4 -tricarboxylic acid.
  • the complexing agents mentioned above, in particular the polycarboxylates, can also be used because of their builder properties.
  • builders are important components in detergents and cleaning agents, cf. for example, Ullmann's Encyclopedia of Industrial Chemistry, 5th edition, volume A8 (1987) SS 350 to 357. They have at least one of the tasks: alkalizing the cleaning agent, binding water hardness and dispersing dirt.
  • Known builders that can be used in the context of the present invention are monomeric or oligomeric phosphates such as, for example, monophosphates, pyrophosphates, triphosphates and cyclic or polymeric metaphosphates.
  • Organic builder substances can preferably be selected from the polymers and copolymers of acrylic acid, ⁇ -hydroxyacrylic acid, maleic acid and allyl alcohol. Poly (tetramethylene-l, 2-dicarboxylates) and poly (4-methoxytetramethylene-l, 2-dicarboxylates) can also be used.
  • the inorganic and organic builders mentioned are used in the form of their water-soluble salts, in particular their sodium or potassium salts.
  • anionic or nonionic surfactants which can additionally be used in the formulation according to the invention are: alkyl sulfates and sulfonates and alkylbenzenesulfonates of oleochemical or petrochemical origin and alkoxylation products of fatty alcohols or fatty amines.
  • the alkoxylates can be de-capped with alkyl groups, for example with butyl groups, and can be present as fatty alcohol or fatty amine oligoglycol ethers. In this way, the foaming behavior of the cleaners according to the invention can be checked.
  • the invention further relates to the use of the cleaning agent according to the invention, which as such is a concentrate and is diluted with water for use, for cleaning hard surfaces, for example unpainted, lacquered or enameled metal surfaces or surfaces made of plastics or ceramics such as tiles.
  • the cleaning agent is especially designed for cleaning large areas, such as those found in the food and beverage industry, in canteen kitchens, warehouses, slaughterhouses, swimming pools or similar facilities.
  • the invention is used Cleaning agent diluted with water by a factor between about 10 and about 50, ie the agent is used in an application concentration in the range from about 2 to about 10% by weight. With this dilution with water, the viscosity of the cleaning agent increases at least approximately by a factor of 2, preferably by a factor of 5 to more than 10. This achieves the purpose according to the invention that the agent is easily pumpable as a concentrate during dilution however, its viscosity increases to the application concentration and thus adheres longer to the surfaces to be cleaned.
  • Mixing with water is preferably carried out using a mixing nozzle to which the cleaning agent and the water are fed separately in the desired ratio.
  • the cleaning agent mixed with water in the nozzle is sprayed onto the surfaces to be cleaned or foamed by an additional air supply to the mixing nozzle.
  • the desired increase in viscosity occurs during application.
  • the detergent diluted with water can be washed off the cleaned surfaces with water.
  • the cleaning agent can be mixed with water in a mixing container, after which the thickened solution can, for example, be applied manually to the surfaces to be cleaned, which is done, for example, by means of a cloth, a sponge, a brush, a spray bottle or a roller can.
  • This method of application is particularly suitable for small-scale use, for example in the household sector.
  • the thickened detergent mixed with water can be used, for example, as a manual detergent, as a floor cleaner, as an all-purpose cleaner, as a bathroom cleaner, as an oven cleaner and for similar purposes.
  • Bubble baths can be used for shower and hand wash gels and the like.
  • Table 1 contains a selection of formulations according to the invention and of comparison formulations.
  • Table 2 shows the viscosities of the compositions in their original composition and after dilution with water by a factor of 10 and a factor of 20, ie. H. as 10% and 5% aqueous preparations. The viscosity measurements were carried out at a sample temperature of 20 ° C. using a Brookfield digital viscometer, model LVTDV-II, using spindle No. 1 (LV series code number 61) with a spindle rotation of 30 revolutions / minute.
  • Table 2 makes it clear that only the formulations according to the invention which contain at least the 3 main components a), b) and c) have a low viscosity as such and thicken significantly when mixed with water.
  • the comparative formulations on the other hand, have high viscosities that impair pumpability and become much thinner when diluted with water.

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)
EP96902949A 1995-02-09 1996-01-31 Detergents aqueux s'epaississant pour surfaces dures Revoked EP0808354B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19504192A DE19504192A1 (de) 1995-02-09 1995-02-09 Verdickende wäßrige Reinigungsmittel für harte Oberflächen
DE19504192 1995-02-09
PCT/EP1996/000380 WO1996024654A1 (fr) 1995-02-09 1996-01-31 Detergents aqueux s'epaississant pour surfaces dures

Publications (2)

Publication Number Publication Date
EP0808354A1 true EP0808354A1 (fr) 1997-11-26
EP0808354B1 EP0808354B1 (fr) 1999-09-15

Family

ID=7753500

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96902949A Revoked EP0808354B1 (fr) 1995-02-09 1996-01-31 Detergents aqueux s'epaississant pour surfaces dures

Country Status (10)

Country Link
US (1) US5906973A (fr)
EP (1) EP0808354B1 (fr)
AT (1) ATE184641T1 (fr)
CA (1) CA2212455A1 (fr)
DE (2) DE19504192A1 (fr)
DK (1) DK0808354T3 (fr)
ES (1) ES2138320T3 (fr)
GR (1) GR3031673T3 (fr)
NO (1) NO972543L (fr)
WO (1) WO1996024654A1 (fr)

Families Citing this family (85)

* Cited by examiner, † Cited by third party
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DE19644252A1 (de) * 1996-10-24 1998-04-30 Henkel Ecolab Gmbh & Co Ohg Reinigung harter Oberflächen mit rheopexen wäßrigen Reinigungsmitteln
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DE19715599C2 (de) * 1997-04-15 1999-02-25 Goldschmidt Ag Th Niedrigviskose alkalische Reinigeremulsion
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DE19842054A1 (de) * 1998-09-15 2000-03-16 Bayer Ag Verwendung von wasserlöslichen polymeren Polycarboxylaten in Reinigerformulierungen mit abrasiver Wirkung
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Publication number Publication date
US5906973A (en) 1999-05-25
DK0808354T3 (da) 2000-03-20
GR3031673T3 (en) 2000-02-29
DE19504192A1 (de) 1996-08-14
EP0808354B1 (fr) 1999-09-15
NO972543D0 (no) 1997-06-04
NO972543L (no) 1997-06-04
ES2138320T3 (es) 2000-01-01
WO1996024654A1 (fr) 1996-08-15
DE59603071D1 (de) 1999-10-21
CA2212455A1 (fr) 1996-08-15
ATE184641T1 (de) 1999-10-15

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