EP0036625A1 - Liquid cleaning agents - Google Patents

Liquid cleaning agents Download PDF

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Publication number
EP0036625A1
EP0036625A1 EP81102003A EP81102003A EP0036625A1 EP 0036625 A1 EP0036625 A1 EP 0036625A1 EP 81102003 A EP81102003 A EP 81102003A EP 81102003 A EP81102003 A EP 81102003A EP 0036625 A1 EP0036625 A1 EP 0036625A1
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Prior art keywords
weight
percent
alkanol
betaine
bis
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German (de)
French (fr)
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EP0036625B1 (en
Inventor
Maria Dr. Geb. Nolte Weichbrodt
Ortburg geb. Düsterloh Guirr
Achim Dr. Ansmann
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Henkel AG and Co KGaA
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Henkel AG and Co KGaA
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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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/88—Ampholytes; Electroneutral compounds
    • C11D1/94—Mixtures with anionic, cationic or non-ionic 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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/14—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aliphatic hydrocarbons or mono-alcohols
    • C11D1/143—Sulfonic acid esters
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/22—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aromatic compounds
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/29—Sulfates of polyoxyalkylene ethers
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—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
    • C11D1/88—Ampholytes; Electroneutral compounds
    • C11D1/90—Betaines

Definitions

  • Liquid washing, rinsing and cleaning agents are usually aqueous solutions of anionic and / or nonionic surfactants and conventional additives. They are used for washing textiles, for cleaning hard surfaces, for example glasses or ceramic materials, plastics, lacquered and polished Surfaces, which can also be metallic in nature, are used. A preferred area of application for such agents is the manual washing of dining utensils and other related equipment. The respective cleaning processes are usually carried out at slightly elevated temperatures. There is always an increased impact on human skin.
  • the present invention therefore relates to cleaning agents with improved skin protection and strong washing power.
  • alkyl ether sulfates that is to say sulfated adducts of about 2 to 5 moles of ethylene oxide with fatty alcohols with about 10 to 16 carbon atoms in the alkyl radical, have good washing power and at the same time have a mild effect on the skin.
  • the commercially available dishwashing agents which are to be used manually are therefore aqueous solutions of such alkyl ether sulfates in combination with other anionic surfactants such as n-alkylbenzenesulfonates and / or alkanesulfonates, optionally also olefin sulfonates or alkyl sulfates and nonionic surfactants, solubilizers, colorants and fragrances.
  • alkyl ether sulfate mixture consisting of 50.
  • Weight percent of a C12 alkyl ether sulfate and 50 percent by weight of a C 14 alkyl ether sulfate with 1 to 5, preferably 2 to 4, ethylene oxide groups as the ether component compared to the commonly used alkyl ether sulfate mixture, which contains the same components in a weight ratio of 70:30, leads to an unexpected further reduction in skin irritation without reducing the known good washing power of such agents.
  • Small additional amounts of alkyl ether sulfates with more or less than 12 or 14 carbon atoms in the alkyl radical change these good results only slightly, but should be avoided if possible.
  • betaine-type amphoteric surfactants have a mild effect on the skin. It was therefore expected that a combination of the mixture of C 12 / C 14 alkyl ether sulfates and betaines used according to the invention would show an additional increase in skin tolerance. However, this expected effect could not be determined. It was all the more surprising, however, that a significant increase in washing effectiveness could be achieved by further addition of such betaines.
  • the present invention therefore relates to a liquid cleaning agent based on an aqueous solution of anionic, optionally together with nonionic surfactants, solvents, solubilizers, corrosion inhibitors, preservatives, thickeners and colorants and fragrances, which is characterized in that it is 2 to 40, preferably 4 to 20 percent by weight of a mixture of 50 parts of a sulfated adduct of 1 to 5, preferably 2 to 4, moles of ethylene oxide to an nC 12 alkanol and to an nC 14 alkanol and optionally up to 20, preferably 2 to 5 percent by weight of a surface-active Contains betains.
  • alkyl ether sulfates with different chain lengths of the alkyl radicals or higher degrees of ethoxylation from those of the compounds according to the invention can be used as anionic surfactants.
  • anionic surfactants that can be used include n-alkylbenzenesulfonates with 9 to 16, preferably 12 carbon atoms in the alkyl radical, alkanesulfonates with 10 to 20, preferably 12 to 18 carbon atoms in the alkyl radical, olefin sulfonates with 12 to 16, preferably 12 to 14, carbon atoms in the n- Alkyl radical and alkyl sulfates having 8 to 18, preferably 8 to 1 4 carbon atoms in the alkyl radical.
  • R 1 is an alkyl radical with 8 to 20, preferably 10 to 18 carbon atoms and R 2 and R 3 , which may be interrupted by heteroatoms or heteroatom groups, and R 2 and R 3 are identical or different alkyl radicals having 1 to 3 carbon atoms.
  • R 1 is an alkyl radical with 8 to 20, preferably 10 to 18 carbon atoms and R 2 and R 3 , which may be interrupted by heteroatoms or heteroatom groups, and R 2 and R 3 are identical or different alkyl radicals having 1 to 3 carbon atoms.
  • C 10 -C 18 -Alkyldimethylcarboxymethylbetaine and C 11 -C 17 -Alkylamidopropyldimethylcarboxymethylbetaine are preferred.
  • nonionic surfactants are used, addition products are from 4 to 20, preferably from 6 to 15M ol alkylene oxide, preferably ethylene oxide with C 8 -C 12 alkyl benzenes, C 10 -C 20 -, preferably C 12 -C 18 alkanols, C 10 -C 18 -, carboxylic acid alkanolamides, but also the An storage products of ethylene oxide with polypropylene glycols that have become known under the names Pluronics ®, as well as addition products of 1 to 7 moles of ethylene oxide with 1 to 5 moles of propylene oxide unreacted C 12 -C 1S alkanols suitable.
  • the solvents to be added if necessary are low molecular weight alkanols with 1 to 4 carbon atoms in the molecule, preferably ethanol and isopropanol.
  • Solubilizers for example for dyes and perfume oils, can be used, for example, as alkanolamines, polyols such as ethylene glycol, 1,2-propylene glycol, glycerol and alkylbenzenesulfonates having 1 to 3 carbon atoms in the alkyl radical.
  • the preferred thickeners include urea, sodium chloride, ammonium chloride and magnesium chloride, which can also be used in combination.
  • Corrosion inhibitors and preservatives include, for example, sodium benzoate, formaldehyde and sodium sulfite.
  • liquid cleaning agents according to the invention can also contain conventional disinfectants, since they have no effect on the skin-protecting effect of the alkyl ether sulfate mixture used according to the invention.
  • liquid cleaning agents according to the invention of the following examples were obtained by stirring the individual components together in any order and leaving the mixture to stand until there were no bubbles.
  • the sodium salts were used as anionic surfactants.
  • EO means ethylene oxide.
  • Examples 1 to 6 were used for comparative experiments.
  • the sulfate mixture according to the invention was replaced in each case in equal quantities by a 70:30 C 12 - / C 14 alkyl (EO) 2 sulfate mixture.
  • the betaine was omitted and the surfactant proportions increased proportionately.
  • the comparison products correspond to commercially available cleaning agents. In all cases, skin irritation was determined according to the soap-chamber test (cf. "Journal of the American Academy of Dermatology" 1 (1979), pages 35 to 41).

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  • 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)
  • Lubricants (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

1. A liquid cleaner based on an aqueous solution of anionic surfactants, optionally in conjunction with nonionic surfactants, solvents, solution promoters, corrosion inhibitors, preservatives, thickeners and also dyes and fragrances, characterized in that it contains from 2 to 40 % by weight of a 50:50 (parts by weight) mixture of a sulfated adduct of 1 to 5 moles of ethylene oxide with an n-C12 -alkanol and with an n-C14 -alkanol and, optionally, up to 20 % by weight of a surface-active betaine.

Description

Flüssige Wasch-, Spül- und Reinigungsmittel stellen meist wäßrige Lösungen von anionischen und/oder nichtionischen Tensiden und üblichen Zusatzstoffen dar. Sie werden zum Waschen von Textilien, zum Reinigen harter Oberflächen, zum Beispiel von Gläsern oder keramischen Materialien, von Kunststoffen, lackierten und polierten Oberflächen, die auch metallischer Natur sein können, verwendet. Ein bevorzugtes Anwendungsgebiet derartiger Mittel ist das manuelle Spülen von Eßgeschirr und anderen damit verwandten Gerätschaften. Die jeweiligen Reinigungsvorgänge werden üblicherweise bei leicht erhöhten Temperaturen durchgeführt. Dabei findet stets eine verstärkte Einwirkung auf die menschliche Haut statt.Liquid washing, rinsing and cleaning agents are usually aqueous solutions of anionic and / or nonionic surfactants and conventional additives. They are used for washing textiles, for cleaning hard surfaces, for example glasses or ceramic materials, plastics, lacquered and polished Surfaces, which can also be metallic in nature, are used. A preferred area of application for such agents is the manual washing of dining utensils and other related equipment. The respective cleaning processes are usually carried out at slightly elevated temperatures. There is always an increased impact on human skin.

Die vorliegende Erfindung betrifft daher Reinigungsmittel mit verbesserter Hautschutzwirkung und starker Waschkraft.The present invention therefore relates to cleaning agents with improved skin protection and strong washing power.

Es ist bekannt, daß sogenannte Alkylethersulfate, das heißt sulfatierte Anlagerungsprodukte von etwa 2 bis 5 Mol Ethylenoxid an Fettalkohole mit etwa 10 bis 16 Kohlenstoffatomen im Alkylrest eine gute Waschkraft bei gleichzeitiger milder Wirkung auf die Haut besitzen. Die marktüblichen, manuell anzuwendenden Geschirrspülmittel stellen daher wäßrige Lösungen solcher Alkylethersulfate in Verbindung mit anderen anionischen Tensiden wie n-Alkylbenzolsulfonaten und/oder Alkansulfonaten, gegebenenfalls auch Olefinsulfonaten oder Alkylsulfaten sowie nichtionischen Tensiden, Lösungsvermittlern, Farb-und Duftstoffen dar.It is known that so-called alkyl ether sulfates, that is to say sulfated adducts of about 2 to 5 moles of ethylene oxide with fatty alcohols with about 10 to 16 carbon atoms in the alkyl radical, have good washing power and at the same time have a mild effect on the skin. The commercially available dishwashing agents which are to be used manually are therefore aqueous solutions of such alkyl ether sulfates in combination with other anionic surfactants such as n-alkylbenzenesulfonates and / or alkanesulfonates, optionally also olefin sulfonates or alkyl sulfates and nonionic surfactants, solubilizers, colorants and fragrances.

Es wurde nun überraschend gefunden, daß der Einsatz eines Alkylethersulfatgemisches, bestehend aus 50 . Gewichtsprozent eines C12-Alkylethersulfats und 50 Gewichtsprozent eines C14-Alkylethersulfats mit 1 bis 5, vorzugsweise 2 bis 4 Ethylenoxidgruppen als Etherkomponente gegenüber dem üblicherweise eingesetzten Alkylethersulfatgemisch, das die gleichen Komponenten im Gewichtsverhältnis 70 : 30 enthält, zu einer unerwarteten weiteren Verminderung der Hautirritation führt, ohne die bekannt gute Waschkraft derartiger Mittel zu mindern. Geringfügige zusätzliche Mengen an Alkylethersulfaten mit mehr öder weniger als 12 beziehungsweise 14 Kohlenstoffatomen im Alkylrest verändern diese guten Ergebnisse nur unwesentlich, sollten jedoch möglichst vermieden werden.It has now surprisingly been found that the use of an alkyl ether sulfate mixture consisting of 50. Weight percent of a C12 alkyl ether sulfate and 50 percent by weight of a C 14 alkyl ether sulfate with 1 to 5, preferably 2 to 4, ethylene oxide groups as the ether component compared to the commonly used alkyl ether sulfate mixture, which contains the same components in a weight ratio of 70:30, leads to an unexpected further reduction in skin irritation without reducing the known good washing power of such agents. Small additional amounts of alkyl ether sulfates with more or less than 12 or 14 carbon atoms in the alkyl radical change these good results only slightly, but should be avoided if possible.

Es ist weiterhin bekannt, daß amphotere oberflächenaktive Mittel vom Betaintyp eine milde Wirkung auf die Haut ausüben. Daher wurde erwartet, daß eine Kombination der erfindungsgemäß eingesetzten Mischung aus C12/C14-Alkylethersulfaten mit Betainen eine zusätzliche Steigerung der Hautverträglichkeit zeigen würde. Diese erwartete Wirkung konnte jedoch nicht ermittelt werden. Um so überraschender war jedoch, daß durch weiteren Zusatz derartiger Betaine eine signifikante Steigerung der Waschwirksamkeit erzielt werden konnte.It is also known that betaine-type amphoteric surfactants have a mild effect on the skin. It was therefore expected that a combination of the mixture of C 12 / C 14 alkyl ether sulfates and betaines used according to the invention would show an additional increase in skin tolerance. However, this expected effect could not be determined. It was all the more surprising, however, that a significant increase in washing effectiveness could be achieved by further addition of such betaines.

Gegenstand der vorliegenden Erfindung ist daher ein flüssiges Reinigungsmittel auf Basis einer wäßrigen Lösung von anionischen, gegebenenfalls zusammen mit nichtionischen Tensiden, lösungsmitteln, Lösungsvermittlern, Korrosionsinhibitoren, Konservierungsmitteln, Verdickungsmitteln sowie Farb- und Duftstoffen, das dadurch gekennzeichnet ist, daß es 2 bis 40, vorzugsweise 4 bis 20 Gewichtsprozent eines Gemisches aus je 50 Teilen eines sulfatierten Anlagerungsproduktes von 1 bis 5, vorzugsweise 2 bis 4 Mol Ethylenoxid an ein n-C12-Alkanol und an ein n-C14-Alkanol und gegebenenfalls bis zu 20, vorzugsweise 2 bis 5 Gewichtsprozent eines oberflächenaktiven Betains enthält.The present invention therefore relates to a liquid cleaning agent based on an aqueous solution of anionic, optionally together with nonionic surfactants, solvents, solubilizers, corrosion inhibitors, preservatives, thickeners and colorants and fragrances, which is characterized in that it is 2 to 40, preferably 4 to 20 percent by weight of a mixture of 50 parts of a sulfated adduct of 1 to 5, preferably 2 to 4, moles of ethylene oxide to an nC 12 alkanol and to an nC 14 alkanol and optionally up to 20, preferably 2 to 5 percent by weight of a surface-active Contains betains.

Die Zusammensetzung der erfindungsgemäßen wäßrigen Reinigungsmittellösung bewegt sich in folgendem Rahmen:

  • 2 bis 40, vorzugsweise 4.bis 20 Gewichtsprozent eines Gemisches aus je 50 Teilen eines sulfatierten Anlagerungsproduktes von 1 bis 5, vorzugsweise 2 bis 4 Mol Ethylenoxid an ein n-C12-Alkanol und an ein n-C14-Alkanol,
  • 2 bis 20, vorzugsweise 5 bis 20 Gewichtsprozent eines oder mehrerer anionischer Tenside,
  • 0 bis 20, vorzugsweise 2 bis 5 Gewichtsprozent eines oberflächenaktiven Betains,
  • 0 bis 10, vorzugsweise 0 bis 5 Gewichtsprozent eines nichtionischen Tensids,
  • 0 bis 20, vorzugsweise 2 bis 10 Gewichtsprozent eines Lösungsmittels,
  • 0 bis 10, vorzugsweise'0,2 bis 5 Gewichtsprozent eines Lösungsvermittlers,
  • 0 bis 10, vorzugsweise 0,5 bis 8 Gewichtsprozent eines Verdickungsmittels,
  • 0 bis 5, vorzugsweise 0,1 bis 2 Gewichtsprozent Korrosionsinhibitoren und Konservierungsmittel,
  • 0 bis 0,1 Gewichtsprozent Farbstoff,
  • 0 bis 0,5 Gewichtsprozent Parfümöl und
  • Rest bis 100 Gewichtsprozent Wasser.
The composition of the aqueous cleaning agent solution according to the invention is as follows:
  • 2 to 40, preferably 4th to 20 percent by weight of a mixture of 50 parts of a sulfated adduct of 1 to 5, preferably 2 to 4, moles of ethylene oxide to an nC 12 alkanol and to an nC 14 alkanol,
  • 2 to 20, preferably 5 to 20 percent by weight of one or more anionic surfactants,
  • 0 to 20, preferably 2 to 5 percent by weight of a surface-active betaine,
  • 0 to 10, preferably 0 to 5 percent by weight of a nonionic surfactant,
  • 0 to 20, preferably 2 to 10 percent by weight of a solvent,
  • 0 to 10, preferably 0.2 to 5 percent by weight of a solubilizer,
  • 0 to 10, preferably 0.5 to 8 percent by weight of a thickener,
  • 0 to 5, preferably 0.1 to 2 percent by weight of corrosion inhibitors and preservatives,
  • 0 to 0.1 percent by weight of dye,
  • 0 to 0.5 percent by weight of perfume oil and
  • Remainder up to 100 weight percent water.

Die erfindungsgemäß eingesetzten Alkylethersulfate entsprechen der Formel

Figure imgb0001
in der R einen C12- und einen C14-Alkylrest, n = 1 bis 5, vorzugsweise 2 bis 4 und M ein Alkalimetall- oder Ammoniumion bedeuten.The alkyl ether sulfates used according to the invention correspond to the formula
Figure imgb0001
 in which R is a C 12 - and a C 14 -alkyl radical, n = 1 to 5, preferably 2 to 4 and M is an alkali metal or ammonium ion.

Weitere Alkylethersulfate mit von denen der erfindungsgemäßen Verbindungen abweichenden Kettenlängen der Alkylreste oder höheren Ethoxylierungsgraden können als anionische Tenside eingesetzt werden. Darüber hinaus gehören zu den einsetzbaren anionischen Tensiden n-Alkylbenzolsulfonate mit 9 bis 16, vorzugsweise 12 Kohlenstoffatomen im Alkylrest, Alkansulfonate mit 10 bis 20, vorzugsweise 12 bis 18 Kohlenstoffatomen im Alkylrest, Olefinsulfonate mit 12 bis 16, vorzugsweise 12 bis 14 Kohlenstoffatomen im n-Alkylrest und Alkylsulfaten mit 8 bis 18, vorzugsweise 8 bis 14 Kohlenstoffatomen im Alkylrest.Further alkyl ether sulfates with different chain lengths of the alkyl radicals or higher degrees of ethoxylation from those of the compounds according to the invention can be used as anionic surfactants. In addition, the anionic surfactants that can be used include n-alkylbenzenesulfonates with 9 to 16, preferably 12 carbon atoms in the alkyl radical, alkanesulfonates with 10 to 20, preferably 12 to 18 carbon atoms in the alkyl radical, olefin sulfonates with 12 to 16, preferably 12 to 14, carbon atoms in the n- Alkyl radical and alkyl sulfates having 8 to 18, preferably 8 to 1 4 carbon atoms in the alkyl radical.

Als amphotere oberflächenaktive Betaine werden Verbindungen der Formel

Figure imgb0002
eingesetzt, in der R1 einen gegebenenfalls durch Heteroatome oder Heteroatomgruppen unterbrochenen Alkylrest mit 8 bis 20, vorzugsweise 10 bis 18 Kohlenstoffatomen und R2 und R3 gleichartige oder verschiedene Alkylreste mit 1 bis 3 Kohlenstoffatomen bedeuten. Bevorzugt werden C10-C18-Alkyl-dimethylcarboxymethylbetain und C11-C17-Alkylamidopropyl-dimethylcarboxymethyl-betain.Compounds of the formula are used as amphoteric surface-active betaines
Figure imgb0002
 used, in which R 1 is an alkyl radical with 8 to 20, preferably 10 to 18 carbon atoms and R 2 and R 3 , which may be interrupted by heteroatoms or heteroatom groups, and R 2 and R 3 are identical or different alkyl radicals having 1 to 3 carbon atoms. C 10 -C 18 -Alkyldimethylcarboxymethylbetaine and C 11 -C 17 -Alkylamidopropyldimethylcarboxymethylbetaine are preferred.

Sofern nichtionische Tenside eingesetzt werden, sind Anlagerungsprodukte von 4 bis 20, vorzugsweise von 6 bis 15 Mol Alkylenoxid, vorzugsweise Ethylenoxid an C8-C12-Alkylbenzole, C10-C20-, vorzugsweise C12-C18-Alkanole, C10-C18-, Carbonsäurealkanolamide, aber auch die Anlagerungsprodukte von Ethylenoxid an Polypropylenglykole, die unter dem Namen Pluronics ® bekannt geworden sind, sowie Anlagerungsprodukte von 1 bis 7 Mol Ethylenoxid an mit 1 bis 5 Mol Propylenoxid umgesetzte C12-C1S-Alkanole geeignet.Provided that nonionic surfactants are used, addition products are from 4 to 20, preferably from 6 to 15M ol alkylene oxide, preferably ethylene oxide with C 8 -C 12 alkyl benzenes, C 10 -C 20 -, preferably C 12 -C 18 alkanols, C 10 -C 18 -, carboxylic acid alkanolamides, but also the An storage products of ethylene oxide with polypropylene glycols that have become known under the names Pluronics ®, as well as addition products of 1 to 7 moles of ethylene oxide with 1 to 5 moles of propylene oxide unreacted C 12 -C 1S alkanols suitable.

Bei den bei Bedarf zuzusetzenden Lösungsmitteln handelt es sich um niedermolekulare Alkanole mit 1 bis 4 Kohlenstoffatomen im Molekül, vorzugsweise um Ethanol und Isopropanol.The solvents to be added if necessary are low molecular weight alkanols with 1 to 4 carbon atoms in the molecule, preferably ethanol and isopropanol.

Als Lösungsvermittler, etwa für Farbstoffe und Parfümöle können beispielsweise Alkanolamine, Polyole wie Ethylenglykol, Propylenglykol-1,2, Glycerin sowie Alkylbenzolsulfonate mit 1 bis 3 Kohlenstoffatomen im Alkylrest dienen.Solubilizers, for example for dyes and perfume oils, can be used, for example, as alkanolamines, polyols such as ethylene glycol, 1,2-propylene glycol, glycerol and alkylbenzenesulfonates having 1 to 3 carbon atoms in the alkyl radical.

Zu den bevorzugten Verdickungsmitteln zählen Harnstoff, Natriumchlorid, Ammoniumchlorid und Magnesiumchlorid, die auch kombiniert eingesetzt werden können.The preferred thickeners include urea, sodium chloride, ammonium chloride and magnesium chloride, which can also be used in combination.

Als Korrosionsinhibitoren und Konservierungsmittel sind beispielsweise Natriumbenzoat, Formaldehyd und Natriumsulfit zu nennen.Corrosion inhibitors and preservatives include, for example, sodium benzoate, formaldehyde and sodium sulfite.

Die erfindungsgemäßen flüssigen Reinigungsmittel können auch übliche Desinfektionsmittel enthalten, da sie keine Auswirkung auf die hautschützende Wirkung des erfindungsgemäß eingesetzten Alkylethersulfat-Gemisches haben.The liquid cleaning agents according to the invention can also contain conventional disinfectants, since they have no effect on the skin-protecting effect of the alkyl ether sulfate mixture used according to the invention.

Die erfindungsgemäßen flüssigen Reinigungsmittel der folgenden Beispiele wurden durch Zusammenrühren der einzelnen Bestandteile in beliebiger Reihenfolge und Stehenlassen des Gemisches bis zur Blasenfreiheit erhalten. Es wurden jeweils die Natriumsalze als anionischen Tenside eingesetzt. EO bedeutet Ethylenoxid.The liquid cleaning agents according to the invention of the following examples were obtained by stirring the individual components together in any order and leaving the mixture to stand until there were no bubbles. The sodium salts were used as anionic surfactants. EO means ethylene oxide.

B e i s p i e l eExample Beispiel 1example 1

  • 10 Gewichtsprozent n-C12-Alkylbenzolsulfonat,10% by weight of nC 12 alkylbenzenesulfonate,
  • 10 Gewichtsprozent eines 50 : 50-Gemisches aus C12-(EO)2- und C14-(EO)2-sulfat,10 percent by weight of a 50:50 mixture of C 12 - (EO) 2 - and C 14 - (EO) 2 sulfate,
  • 2 Gewichtsprozent Propylenglykol-1,2,2 percent by weight propylene glycol-1.2,
  • 0,05 Gewichtsprozent Pyraningelb,0.05% by weight pyranine yellow,
  • 0,10 Gewichtsprozent Citronellal-Pariümöl,0.10 percent by weight citronellal pari oil,
  • Rest Wasser.Rest of water.
Beispiel 2Example 2

  • 10 Gewichtsprozent n-C10-C18-Alkansulfonat,10% by weight of nC 10 -C 18 alkanesulfonate,
  • 10 Gewichtsprozent Sulfatgemisch wie Beispiel 1,10 percent by weight of sulfate mixture as in Example 1,
  • 10 Gewichtsprozent Isopropanol,10 percent by weight isopropanol,
  • 0,08 Gewichtsprozent Rhodamin B,0.08 percent by weight rhodamine B,
  • 0,25 Gewichtsprozent Bergamotte-Parfümöl,0.25 percent by weight bergamot perfume oil,
  • Rest Wasser.Rest of water.
Beispiel 3Example 3

  • 12 Gewichtsprozent n-C12-Alkylbenzolsulfonat,12% by weight of nC 12 -alkylbenzenesulfonate,
  • 12 Gewichtsprozent n-C10-C18-Alkansulfonat,12% by weight nC 10 -C 18 alkanesulfonate,
  • 6 Gewichtsprozent Sulfatgemisch wie Beispiel 1,6 percent by weight sulfate mixture as in Example 1,
  • 8 Gewichtsprozent Isopropanol,8 percent by weight isopropanol,
  • 0,05 Gewichtsprozent Pyraningelb,0.05% by weight pyranine yellow,
  • 0,10 Gewichtsprozent Citronellal-Parfümöl,0.10 weight percent citronellal perfume oil,
  • Rest Wasser.Rest of water.
Beispiel 4Example 4

  • 9 Gewichtsprozent n-C12-Alkylbenzolsulfonat,9% by weight of nC 12 -alkylbenzenesulfonate,
  • 9 Gewichtsprozent Sulfatgemisch wie Beispiel 1,9 percent by weight sulfate mixture as in Example 1,
  • 2 Gewichtsprozent C11-C17-Alkylamidopropyldimethyl- carboxymethylbetain,2 percent by weight of C 11 -C 17 alkylamidopropyldimethylcarboxymethylbetaine,
  • 10 Gewichtsprozent Ethanol,10 percent by weight ethanol,
  • 0,05 Gewichtsprozent Pyraningelb,0.05% by weight pyranine yellow,
  • 0,10 Gewichtsprozent Citronellal-Parfümöl,0.10 weight percent citronellal perfume oil,
Beispiel 5Example 5

  • 9 Gewichtsprozent n-C10-C18-Alkansulfonat,9% by weight nC 10 -C 18 alkanesulfonate,
  • 9 Gewichtsprozent Sulfatgemisch wie Beispiel 1,9 percent by weight sulfate mixture as in Example 1,
  • 2 Gewichtsprozent Betain wie Beispiel 4,2% by weight betaine as example 4,
  • 8 Gewichtsprozent Isopropanol,8 percent by weight isopropanol,
  • 0,05 Gewichtsprozent Pyraningelb,0.05% by weight pyranine yellow,
  • 0,10 Gewichtsprozent Citronellal-Parfümöl,0.10 weight percent citronellal perfume oil,
  • Rest Wasser.Rest of water.
Beispiel 6Example 6

  • 10 Gewichtsprozent n-C12-Alkylbenzolsulfonat,10% by weight of nC 12 alkylbenzenesulfonate,
  • 10 Gewichtsprozent n-C10-C18-Alkansulfonat,10% by weight of nC 10 -C 18 alkanesulfonate,
  • 5 Gewichtsprozent Sulfatgemisch wie Beispiel 1,5 percent by weight of sulfate mixture as in Example 1,
  • 5 Gewichtsprozent Betain wie Beispiel 4,5% by weight betaine as example 4,
  • 8 Gewichtsprozent Isopropanol,8 percent by weight isopropanol,
  • 0,05 Gewichtsprozent Pyraningelb,0.05% by weight pyranine yellow,
  • 0,10 Gewichtsprozent Citronellal-Parfümöl,0.10 weight percent citronellal perfume oil,
  • Rest Wasser.Rest of water.
Beispiel 7Example 7

  • 5 Gewichtsprozent C14-C16-Olefinsulfonat, 5 % by weight of C 14 -C 16 olefin sulfonate,
  • 15 Gewichtsprozent Sulfatgemisch wie Beispiel 1, 15 percent by weight of sulfate mixture as in Example 1,
  • 6 Gewichtsprozent Harnstoff, 6 weight percent urea,
  • 3 Gewichtsprozent Ethanol, 3 % by weight ethanol,
  • 0,2 Gewichtsprozent Formaldehyd (30 %ig),0.2 percent by weight formaldehyde (30%),
  • 0,1 Gewichtsprozent Natriumsulfit,0.1 percent by weight sodium sulfite,
  • Rest Wasser.Rest of water.
Beispiel 8Example 8

  • 3 Gewichtsprozent sekundäres C -C -Alkylsulfat,3% by weight of secondary C -C alkyl sulfate,
  • 12 Gewichtsprozent Sulfatgemisch wie Beispiel 1,12 percent by weight sulfate mixture as in Example 1,
  • 5 Gewichtsprozent Xylolsulfonat, 5 % by weight xylene sulfonate,
  • 5 Gewichtsprozent Ethanol, 5 percent by weight ethanol,
  • 1 Gewichtsprozent Citronensäure, 1 percent by weight citric acid,
Beispiel 9Example 9

  • 3 Gewichtsprozent C12-C18-Alkylsulfat,3 percent by weight of C 12 -C 18 alkyl sulfate,
  • 5 Gewichtsprozent eines Anlagerungsproduktes von 9 bis 10 Mol Ethylenoxid an Nonylbenzol,5 percent by weight of an adduct of 9 to 10 moles of ethylene oxide with nonylbenzene,
  • 5 Gewichtsprozent Sulfatgemisch wie Beispiel 1, 5 percent by weight of sulfate mixture as in Example 1,
  • 2 Gewichtsprozent Betain wie Beispiel 4,2% by weight betaine as example 4,
  • 4 Gewichtsprozent Isopropanol,4 percent by weight isopropanol,
  • 1 Gewichtsprozent Hexametaphosphat, 1 percent by weight hexametaphosphate,
  • Rest Wasser.Rest of water.
Beispiel 10Example 10

  • 15 Gewichtsprozent C12-Alkylbenzolsulfonat,15% by weight of C 12 alkylbenzenesulfonate,
  • 5 Gewichtsprozent C12-C18-Alkyl-(EO)2-sulfat,5% by weight of C 12 -C 18 alkyl (EO) 2 sulfate,
  • 15 Gewichtsprozent Sulfatgemisch wie Beispiel 1,15 percent by weight of sulfate mixture as in Example 1,
  • 10 Gewichtsprozent Ethanol,10 percent by weight ethanol,
  • 8 Gewichtsprozent Harnstoff,8 weight percent urea,
  • 0,3 Gewichtsprozent EDTA,0.3 weight percent EDTA,
  • 0,005 Gewichtsprozent Pyraningelb,0.005% by weight pyranine yellow,
  • Rest Wasser.Rest of water.

Die Beispiele 1 bis 6 wurden für Vergleichsversuche herangezogen. Dabei wurde bei den Beispielen 1 bis 3 das erfindungsgemäße Sulfatgemisch jeweils mengengleich durch ein 70 : 30-C12-/C14-Alkyl-(EO)2-sulfatgemisch ersetzt. Bei den Beispielen 4 bis 6 wurde das Betain weggelassen und die Tensidanteile verhältnisgleich erhöht. Die Vergleichsprodukte entsprechen handelsüblichen Reinigungsmitteln. In allen Fällen wurde die Hautirritation nach dem Seifen-Kammer-Test (vgl. "Journal of the American Academy of Dermatology" 1 (1979), Seiten 35 bis 41) bestimmt.Examples 1 to 6 were used for comparative experiments. In Examples 1 to 3, the sulfate mixture according to the invention was replaced in each case in equal quantities by a 70:30 C 12 - / C 14 alkyl (EO) 2 sulfate mixture. In Examples 4 to 6, the betaine was omitted and the surfactant proportions increased proportionately. The comparison products correspond to commercially available cleaning agents. In all cases, skin irritation was determined according to the soap-chamber test (cf. "Journal of the American Academy of Dermatology" 1 (1979), pages 35 to 41).

Außerdem wurde der sogenannte Tellertest durchgeführt. Die Methodik ist in der Zeitschrift "Fette; Seifen; Anstrichmittel", 74 (1972), Seiten 163 bis 165 beschrieben. Es wurde vorwiegend mit Wasser von 45 °C/16°d und einem Einsatz von 0,5 g/1 Produkt sowie einer Mischanschmutzung aus Eiweiß, Fett und Kohlehydraten gearbeitet. Die Mischanschmutzung wurde mit 2 g/Teller (Untertasse von 14 cm Durchmesser; verteilt in der Tassenvertiefung) eingesetzt; die angeschmutzten Teller wurden nach 15 Stunden Lagerung bei ± 0 bis + 5 °C unter den oben angegebenen Bedingungen gespült.The so-called plate test was also carried out. The methodology is described in the journal "Fette; Seifen; Anstrichmittel", 74 (1972), pages 163 to 165. It was mainly used with water of 45 ° C / 16 ° d and the use of 0.5 g / 1 product as well as a mixed contamination from protein, fat and carbohydrates. The mixed soiling was used with 2 g / plate (saucer 14 cm in diameter; distributed in the cup recess); the soiled plates were rinsed after 15 hours of storage at ± 0 to + 5 ° C under the conditions specified above.

Zu der nachfolgenden Tabelle sind die Ergebnisse aufgeführt, die die Vorteile der erfindungsgemäßen Reinigungsmittel gegenüber handelsüblichen Produkten eindeutig demonstrieren.

Figure imgb0003
The following table shows the results which clearly demonstrate the advantages of the cleaning agents according to the invention over commercially available products.
Figure imgb0003

Claims (4)

1. Flüssiges Reinigungsmittel auf Basis einer wäßrigen Lösung von anionischen, gegebenenfalls zusammen mit nichtionischen Tensiden, Lösungsmitteln, Lösungsvermittlern, Korrosionsinhibitoren, Konservierungsmitteln, Verdickungsmitteln sowie Farb- und Duftstoffen, dadurch gekennzeichnet, daß es 2 bis 40, vorzugsweise 4 bis 20 Gewichtsprozent eines Gemisches aus je 50 Teilen eines sulfatierten Anlagerungsproduktes von 1 bis 5, vorzugsweise 2 bis 4 Mol Ethylenoxid an ein n-C12-Alkanol und an ein n-C14-Alkanol und gegebenenfalls bis zu 20, vorzugsweise 2 bis 5 Gewichtsprozent eines oberflächenaktiven Betains enthält.1. Liquid cleaning agent based on an aqueous solution of anionic, optionally together with nonionic surfactants, solvents, solubilizers, corrosion inhibitors, preservatives, thickeners and colorants and fragrances, characterized in that it consists of 2 to 40, preferably 4 to 20 percent by weight of a mixture Contains 50 parts of a sulfated adduct of 1 to 5, preferably 2 to 4, moles of ethylene oxide to an nC 12 alkanol and to an nC 14 alkanol and optionally up to 20, preferably 2 to 5 percent by weight of a surface-active betaine. 2. Mittel nach Anspruch 1, dadurch gekennzeichnet, daß es aus einer wäßrigen Lösung von 2 bis 40, vorzugsweise 4 bis 20 Gewichtsprozent eines Gemisches aus je 50 Teilen eines sulfatierten Anlagerungsproduktes von 1 bis 5, vorzugsweise 2 bis 4 Mol Ethylenoxid an ein n-C12-Alkanol und an ein n-C14-Alkanol, 2 bis 20, vorzugsweise 5 bis 20 Gewichtsprozent eines oder mehrerer anionischer Tenside, 0 bis 20, vorzugsweise 2 bis 5 Gewichtsprozent eines oberflächenaktiven Betains, 0 bis 10, vorzugsweise 0 bis 5 Gewichtsprozent eines nichtionischen Tensids, 0 bis 20, vorzugsweise 2 bis 10 Gewichtsprozent eines Lösungsmittels, 0 bis 10, vorzugsweise 0,2 bis 5 Gewichtsprozent eines Lösungsvermittlers, 0 bis 10, vorzugsweise 0,5 bis 8 Gewichtsprozent eines Verdickungsmittels, 0 bis 5, vorzugsweise 0,1 bis 2 Gewichtsprozent Korrosionsinhibitoren und Konservierungsmittel, 0 bis 0,1 Gewichtsprozent Farbstoff, 0 bis 0,5 Gewichtsprozent Parfümöl und Rest bis 100 Gewichtsprozent Wasser. 2. Composition according to claim 1, characterized in that it consists of an aqueous solution of 2 to 40, preferably 4 to 20 percent by weight of a mixture of 50 parts of a sulfated adduct of 1 to 5, preferably 2 to 4, moles of ethylene oxide to an nC 12 alkanol and to an nC 14 alkanol, 2 to 20, preferably 5 to 20 percent by weight of one or more anionic surfactants, 0 to 20, preferably 2 to 5 percent by weight of a surface-active betaine, 0 to 10, preferably 0 to 5 percent by weight of a nonionic surfactant, 0 to 20, preferably 2 to 10 percent by weight of a solvent, 0 to 10, preferably 0.2 to 5 percent by weight of a solubilizer, 0 to 10, preferably 0.5 to 8 percent by weight of a thickener, 0 to 5, preferably 0.1 to 2 percent by weight of corrosion inhibitors and preservatives, 0 to 0.1 percent by weight of dye, 0 to 0.5 percent by weight of perfume oil and Remainder up to 100 weight percent water. 3. Mittel nach Anspruch 1 und 2, dadurch gekennzeichnet, daß es als anionische Tenside C9-C16-n-Alkylbenzolsulfonate und/oder C10-C20-Alkansulfonate enthält.3. Composition according to claim 1 and 2, characterized in that it contains C 9 -C 16 -n-alkylbenzenesulfonates and / or C 10 -C 20 alkanesulfonates as anionic surfactants. 4. Mittel nach Anspruch 1 bis 3, dadurch gekennzeichnet, daß es als Betaine C10-C18-Alkyldimethylcarboxymethyl- betain und C11-C17-Alkylamidopropyldimethylcarboxy- methylbetain enthält.4. Composition according to claim 1 to 3, characterized in that it contains as betaines C 10 -C 18 alkyl dimethyl carboxymethyl betaine and C 11 -C 17 alkyl amidopropyl dimethyl carboxy methyl betaine.
EP81102003A 1980-03-26 1981-03-18 Liquid cleaning agents Expired EP0036625B1 (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0049546B1 (en) * 1980-10-02 1984-12-19 THE PROCTER & GAMBLE COMPANY Liquid detergent composition
FR2571059A1 (en) * 1984-09-28 1986-04-04 Colgate Palmolive Co HIGHLY FOAMING LIQUID DETERGENT BASED ON NON-IONIC SURFACTANT AND METHOD OF MANUFACTURING THE SAME
EP0181212A1 (en) * 1984-11-07 1986-05-14 The Procter & Gamble Company Liquid detergent compositions
EP0232153A2 (en) * 1986-02-03 1987-08-12 Unilever Plc Detergent compositions
EP0387063A2 (en) * 1989-03-10 1990-09-12 Unilever Plc Detergent compositions
US4976885A (en) * 1987-08-13 1990-12-11 Henkel Kommanditgesellschaft Auf Aktien Liquid preparations for cleaning hard surfaces
EP0426906A1 (en) * 1989-11-06 1991-05-15 Colgate-Palmolive Company Heavy duty fabric softening laundry detergent composition
EP0554991A1 (en) * 1992-01-24 1993-08-11 Unilever Plc Detergent compositions
WO1996016160A1 (en) * 1994-11-23 1996-05-30 Colgate-Palmolive Company Microemulsion light duty liquid cleaning compositions
US6537958B1 (en) 1999-11-10 2003-03-25 The Procter & Gamble Company Bleaching compositions

Citations (1)

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Publication number Priority date Publication date Assignee Title
DE2421925A1 (en) * 1973-05-08 1974-11-28 Kao Corp DISHWASHING DETERGENT COMPOSITION

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JPS5116045B2 (en) * 1972-08-08 1976-05-21
US3985687A (en) * 1974-12-26 1976-10-12 Colgate-Palmolive Company Liquid detergent compositions of controlled viscosities
US4116885A (en) * 1977-09-23 1978-09-26 The Procter & Gamble Company Anionic surfactant-containing detergent compositions having soil-release properties
DD135288B1 (en) * 1977-12-29 1983-04-27 Akad Wissenschaften Ddr INCORRECTING AGENTS FOR HARD SURFACES, PREFERABLY PLASTIC PLATES FROM POLYESTER RESINS

Patent Citations (1)

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DE2421925A1 (en) * 1973-05-08 1974-11-28 Kao Corp DISHWASHING DETERGENT COMPOSITION

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0049546B1 (en) * 1980-10-02 1984-12-19 THE PROCTER & GAMBLE COMPANY Liquid detergent composition
FR2571059A1 (en) * 1984-09-28 1986-04-04 Colgate Palmolive Co HIGHLY FOAMING LIQUID DETERGENT BASED ON NON-IONIC SURFACTANT AND METHOD OF MANUFACTURING THE SAME
EP0181212A1 (en) * 1984-11-07 1986-05-14 The Procter & Gamble Company Liquid detergent compositions
EP0232153A2 (en) * 1986-02-03 1987-08-12 Unilever Plc Detergent compositions
EP0232153A3 (en) * 1986-02-03 1989-09-27 Unilever Plc Detergent compositions
US4976885A (en) * 1987-08-13 1990-12-11 Henkel Kommanditgesellschaft Auf Aktien Liquid preparations for cleaning hard surfaces
EP0387063A2 (en) * 1989-03-10 1990-09-12 Unilever Plc Detergent compositions
EP0387063B1 (en) * 1989-03-10 1996-05-22 Unilever Plc Detergent compositions
EP0426906A1 (en) * 1989-11-06 1991-05-15 Colgate-Palmolive Company Heavy duty fabric softening laundry detergent composition
EP0554991A1 (en) * 1992-01-24 1993-08-11 Unilever Plc Detergent compositions
US5387373A (en) * 1992-01-24 1995-02-07 Unilever Patent Holdings B.V. Detergent compositions
WO1996016160A1 (en) * 1994-11-23 1996-05-30 Colgate-Palmolive Company Microemulsion light duty liquid cleaning compositions
US6537958B1 (en) 1999-11-10 2003-03-25 The Procter & Gamble Company Bleaching compositions

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DE3011550A1 (en) 1981-10-01

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