EP0280143A1 - Liquid cleaning agent - Google Patents
Liquid cleaning agent Download PDFInfo
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- EP0280143A1 EP0280143A1 EP88102172A EP88102172A EP0280143A1 EP 0280143 A1 EP0280143 A1 EP 0280143A1 EP 88102172 A EP88102172 A EP 88102172A EP 88102172 A EP88102172 A EP 88102172A EP 0280143 A1 EP0280143 A1 EP 0280143A1
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- Prior art keywords
- alkyl
- sulfosuccinates
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- carbon atoms
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Classifications
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/0005—Other compounding ingredients characterised by their effect
- C11D3/0094—High foaming compositions
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/123—Sulfonic acids or sulfuric acid esters; Salts thereof derived from carboxylic acids, e.g. sulfosuccinates
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/662—Carbohydrates or derivatives
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/83—Mixtures of non-ionic with anionic compounds
Definitions
- Liquid cleaning agents usually consist of aqueous solutions of synthetic anionic and / or nonionic surfactants and conventional additives. They are particularly used for cleaning hard surfaces, for example glass, ceramic materials, plastics, painted and polished surfaces.
- An important area of application for liquid cleaning agents is the manual washing of eating and cooking utensils.
- the dishes are usually cleaned at slightly elevated temperatures of around 35 to 45 ° C in very dilute liquors.
- the cleaning power of an agent is rated by the consumer the better and the longer the cleaning liquor foams. Because of the contact of the hands with the cleaning liquor over a longer period of time, the skin-friendliness of the agent is of particular importance when washing dishes manually. For these reasons, the expert makes different considerations when selecting the components and the composition of an agent for the manual cleaning of dishes than with liquid detergents for other hard surfaces.
- alkyl ether sulfates that is to say salts of sulfated adducts of about 2 to 5 moles of ethylene oxide with fatty alcohols of about 10 to 18, are preferred wise 12 to 16 carbon atoms in the aliphatic rest have good foaming and cleaning power as well as skin-friendly properties.
- the commercially available, manual dishwashing detergents also known as dishwashing detergents
- dishwashing detergents therefore generally represent aqueous solutions of such alkyl ether sulfates in conjunction with other surfactants, in particular alkylbenzenesulfonates, and solubilizers, colorants and fragrances.
- Swiss patent 354 195 discloses liquid detergents for manual dishwashing, which are a combination of an alkyl ether sulfate and a nonionic surfactant of the fatty acid alkanolamide type from mono- or dialkanolamides with no more than 3 carbon atoms in each alkanol residue of saturated fatty acids with 10 to 14 Contain carbon atoms, together with water, solubilizers, colors and fragrances.
- European patent application 70 076 discloses foaming liquid detergents containing anionic surfactants, alkyl glucosides and amine oxides or fatty acid alkanolamides, the alkyl glucosides being alkyl oligoglucosides which contain the glucose unit about 1.5 to 10 times. This value is an average value and also takes into account the presence of alkyl monoglucosides in a corresponding proportion. Alkyl glucosides with a degree of oligomerization of higher than 2 are found to be particularly suitable.
- German patent application P 35 34 082.7 describes a liquid cleaning agent for manual cleaning of dishes, containing synthetic anionic surfactants of the sulfonate and / or sulfate type, fatty acid alkanolamides and fatty alkyl glucosides, which is characterized in that it contains fatty alkyl glucosides of the fatty alkyl monoglucoside type contains on average less than 2 glucoside units per fatty alkyl radical, in particular 1 to 1.4 glucoside units.
- Detergents in particular dishwashing detergents, containing di-n-alkylsulfosuccinates have long been known.
- dishwashing detergents which contain alkyl ether sulfates and sulfosuccinates, preferably di-n-octyl sulfosuccinate, and, if appropriate, further surfactants are described in German patent specification 23 17 076.
- aqueous mixture of alkyl sulfosuccinates and alkyl ether sulfates is also known from European patent application 124367. It also describes aqueous solutions of alkyl sulfosuccinates alone and of alkyl sulfosuccinates in a mixture with alkyl benzene sulfonates.
- the foaming and cleaning power of liquid, optionally aqueous, cleaning agents which are specially designed for the manual cleaning of dishes and which essentially contain alkyl glucosides can be increased by giving them di-alkylsulfosuccinates with 7 to 9 , in particular 8 carbon atoms in the alkyl group puts.
- the alkyl radical can be straight-chain or branched.
- the proportion of di-alkyl sulfosuccinates is 20 to 90, preferably 50 to 80 parts by weight, based on the total surfactant content of 15 to 50% by weight in the product. They are present as alkali, especially as sodium salts.
- the proportion of alkyl glucosides with 10 to 18, preferably 12 to 14 carbon atoms in the alkyl radical and with 1 to 5, preferably 1 to 1.4 glucose units (GE) in the molecule in the agents according to the invention is accordingly 10 to 80, preferably 20 to 50 parts by weight. based on the total surfactant content of 15 to 50 wt .-% in the product.
- anionic surfactants preferably alkyl ether sulfates or alkyl sulfates - and amphoteric surfactants such as.
- B Acylamidopropyldimethylammoniumbetain performance improvements in washability and improvements in storage stability can be achieved.
- compositions according to the invention are preferably free from the proportions of anionic surfactants based on petrochemicals, such as, for example, which are generally customary for such compositions.
- anionic surfactants based on petrochemicals, such as, for example, which are generally customary for such compositions.
- Alkanolamines, polyols, such as ethylene glycol, 1,2-propylene glycol or glycerol and, for example, hydrotropic alkali-alkylbenzenesulfonates with 1 to 3 carbon atoms in the alkyl radical, such as sodium cumolsulfonate, can serve as solubilizers, for example for small amounts of dye and perfume oil.
- the amounts used are then generally between 1 and 10 percent by weight, based on the total agent.
- solvents such as low molecular weight alkanols with 1 to 4 carbon atoms in the molecule, preferably etha nol and isopropyl alcohol used.
- solvents such as low molecular weight alkanols with 1 to 4 carbon atoms in the molecule, preferably etha nol and isopropyl alcohol used.
- the amounts used are also 3 to 15 percent by weight, based on the total agent.
- Viscosity regulators such as urea, sodium chloride, ammonium chloride, magnesium chloride and sodium citrate can also be used individually or in combination.
- Other common optional additives are corrosion inhibitors, preservatives, dyes and perfume oils.
- a remainder, to be calculated for a total of 100 percent by weight, for the total composition consists of water.
- liquid cleaning agents according to the invention according to the following examples were obtained by stirring the individual constituents together and allowing the mixture to stand until there were no bubbles.
- the sodium salts were used as sulfosuccinates.
- the plate test is described in this example.
- the amount of 27 g of di-isooctylsulfosuccinate was stirred at room temperature with 15 g of isopropanol in 55 g of water. And with further stirring, 3 g of C 12/14 alkyl glucoside with 1.1 glucose units (GE) were added in the molecule.
- the product was clear and had a viscosity of 30 mPas determined according to Höppler at 20 ° C.
- saucers were coated with 2 g of melted beef tallow (test soil A). Then 8 liters of tap water (16 ° d) at 50 ° C was placed in a bowl.
- a solution of 10 g of di-isooctylsulfosuccinate, 4 g of C 12/14 alkyl glucoside GE, 1.4.6 g of C 12/14 alkyl ether sulfate with 2 ethylene oxide groups, 10 g of isopropanol and 70 g of water was, according to Example 1, in a plate test with 0 , 6 g detergent / l rinsing solution. Of the plates soiled with test soil (B), 27 plates were rinsed clean. However, if 2 g of the alkyl ether sulfate were replaced by 2 g of C 8/18 acylamidopropyldimethylammonium betaine (Dehyton K®), 30 plates were rinsed clean.
- test series also carried out in analogy to Example 1, show the influence of the degree of oligomerization of the C 12/14 alkyl glucoside on the rinsing performance in combination with di-n-octylsulfosuccinate. Note the decrease in the rinsing performance with increasing degree of oligomerization of the alkyl glucoside in mixed soiling (B).
Abstract
Flüssiges, manuell anwendbares Geschirrspülmittel auf Basis von Alkylglycosiden mit einem Gehalt an Di-alkylsulfosuccinaten.Liquid, manually usable dishwashing detergent based on alkyl glycosides containing di-alkyl sulfosuccinates.
Description
Flüssige Reinigungsmittel bestehen meist aus wäßrigen Lösungen von synthetischen anionischen und/oder nichtionischen Tensiden und üblichen Zusatzstoffen. Sie werden besonders zum Reinigen harter Oberflächen, zum Beispiel von Glas, keramischen Materialien, Kunststoffen, lackierten und polierten Oberflächen verwendet. Ein wichtiges Anwendungsgebiet für flüssige Reinigungsmittel ist das manuelle Spülen von Eß- und Kochgeschirr. Die Geschirreinigung wird üblicherweise bei leicht erhöhten Temperaturen von etwa 35 bis 45 °C in stark verdünnten Flotten durchgeführt. Dabei wird vom Verbraucher die Reinigungskraft eines Mittels im allgemeinen umso besser beurteilt je stärker und je länger die Reinigungsflotte schäumt. Wegen des Kontakts der Hände mit der Reinigungsflotte über einen längeren Zeitraum ist bei manuellem Spülen von Geschirr auch die Hautfreundlichkeit des Mittels von besonderer Bedeutung. Aus diesen Gründen stellt der Fachmann bei der Auswahl der Komponenten und der Zusammensetzung eines Mittels für das manuelle Reinigen von Geschirr andere Überlegungen an, als bei flüssigen Reinigungsmitteln für sonstige harte Oberflächen.Liquid cleaning agents usually consist of aqueous solutions of synthetic anionic and / or nonionic surfactants and conventional additives. They are particularly used for cleaning hard surfaces, for example glass, ceramic materials, plastics, painted and polished surfaces. An important area of application for liquid cleaning agents is the manual washing of eating and cooking utensils. The dishes are usually cleaned at slightly elevated temperatures of around 35 to 45 ° C in very dilute liquors. In general, the cleaning power of an agent is rated by the consumer the better and the longer the cleaning liquor foams. Because of the contact of the hands with the cleaning liquor over a longer period of time, the skin-friendliness of the agent is of particular importance when washing dishes manually. For these reasons, the expert makes different considerations when selecting the components and the composition of an agent for the manual cleaning of dishes than with liquid detergents for other hard surfaces.
Es ist allgemein bekannt, daß sogenannte Alkylethersulfate, das heißt Salze von sulfatierten Anlagerungsprodukten von etwa 2 bis 5 Mol Ethylenoxid an Fettalkohole mit etwa 10 bis 18, vorzugs weise 12 bis 16 Kohlenstoffatomen im aliphatischen Rest eine gute Schaum- und Reinigungskraft sowie hautfreundliche Eigenschaften besitzen. Die marktüblichen, manuell anwendbaren Geschirreinigungsmittel (alias Geschirrspülmittel) stellen daher im allgemeinen wäßrige Lösungen solcher Alkylethersulfate in Verbindung mit anderen Tensiden, insbesondere Alkylbenzolsulfonaten, sowie Lösungsvermittlern, Farb- und Duftstoffen dar.It is generally known that so-called alkyl ether sulfates, that is to say salts of sulfated adducts of about 2 to 5 moles of ethylene oxide with fatty alcohols of about 10 to 18, are preferred wise 12 to 16 carbon atoms in the aliphatic rest have good foaming and cleaning power as well as skin-friendly properties. The commercially available, manual dishwashing detergents (also known as dishwashing detergents) therefore generally represent aqueous solutions of such alkyl ether sulfates in conjunction with other surfactants, in particular alkylbenzenesulfonates, and solubilizers, colorants and fragrances.
Aus der schweizerischen Patentschrift 354 195 sind flüssige Reinigungsmittel für das manuelle Geschirrspülen bekannt, die eine Kombination aus einem Alkylethersulfat und einem nichtionischen Tensid vom Typ des Fettsäurealkanolamids aus Mono- oder Dialkanolamiden mit nicht mehr als 3 Kohlenstoffatomen in jedem Alkanolrest von gesättigten Fettsäuren mit 10 bis 14 Kohlenstoffatomen, zusammen mit Wasser, Lösungsvermittlern, Farb- und Duftstoffen enthalten.Swiss patent 354 195 discloses liquid detergents for manual dishwashing, which are a combination of an alkyl ether sulfate and a nonionic surfactant of the fatty acid alkanolamide type from mono- or dialkanolamides with no more than 3 carbon atoms in each alkanol residue of saturated fatty acids with 10 to 14 Contain carbon atoms, together with water, solubilizers, colors and fragrances.
Aus der US-Patentschrift 3 219 656 ist bereits bekannt, daß nichtionische Alkylmonoglucoside nicht nur selbst stabilen Schaum entwickeln, sondern als Schaumstabilisatoren für andere anionische und nichtionische Tenside wirken.From US Pat. No. 3,219,656 it is already known that nonionic alkyl monoglucosides not only develop stable foam themselves, but also act as foam stabilizers for other anionic and nonionic surfactants.
Aus der europäischen Patentanmeldung 70 076 sind schäumende flüssige Reinigungsmittel mit einem Gehalt an Aniontensiden, Alkylglucosiden und Aminoxiden beziehungsweise Fettsäurealkanolamiden bekannt, wobei es sich bei den Alkylglucosiden um Alkyloligoglucoside, welche die Glucoseeinheit etwa 1,5 bis 10 mal enthalten, handelt. Dieser Wert ist ein Mittelwert und berücksichtigt auch das Vorliegen von Alkylmonoglucosiden in einem entsprechenden Anteil. Als besonders geeignet werden Alkylglucoside mit einem Oligomerisierungsgrad von höher als 2 herausgestellt.European patent application 70 076 discloses foaming liquid detergents containing anionic surfactants, alkyl glucosides and amine oxides or fatty acid alkanolamides, the alkyl glucosides being alkyl oligoglucosides which contain the glucose unit about 1.5 to 10 times. This value is an average value and also takes into account the presence of alkyl monoglucosides in a corresponding proportion. Alkyl glucosides with a degree of oligomerization of higher than 2 are found to be particularly suitable.
In der deutschen Patentanmeldung P 35 34 082.7 wird ein flüssiges Reinigungsmittel für das manuelle Reinigen von Geschirr, enthaltend synthetische Aniontenside vom Typ der Sulfonat- und/oder Sulfattenside, Fettsäurealkanolamide und Fettalkylglucoside beschrieben, das dadurch gekennzeichnet ist, daß es Fettalkylglucoside vom Typ der Fettalkylmonoglucoside mit durchschnittlich weniger als 2 Glucosideinheiten pro Fettalkyl-Rest, insbesondere 1 bis 1,4 Glucosideinheiten, enthält.German patent application P 35 34 082.7 describes a liquid cleaning agent for manual cleaning of dishes, containing synthetic anionic surfactants of the sulfonate and / or sulfate type, fatty acid alkanolamides and fatty alkyl glucosides, which is characterized in that it contains fatty alkyl glucosides of the fatty alkyl monoglucoside type contains on average less than 2 glucoside units per fatty alkyl radical, in particular 1 to 1.4 glucoside units.
Reinigungsmittel, insbesondere Geschirrspülmittel, mit einem Gehalt an Di-n-alkylsulfosuccinaten sind seit langem bekannt. So werden vor allem in der deutschen Patentschrift 23 17 076 flüssige Geschirrspülmittel beschrieben, die Alkylethersulfate und Sulfosuccinate, vorzugsweise Di-n-octylsulfosuccinat, sowie gegebenenfalls weitere Tenside enthalten.Detergents, in particular dishwashing detergents, containing di-n-alkylsulfosuccinates have long been known. For example, liquid dishwashing detergents which contain alkyl ether sulfates and sulfosuccinates, preferably di-n-octyl sulfosuccinate, and, if appropriate, further surfactants are described in German patent specification 23 17 076.
Die wäßrige Mischung von Alkylsulfosuccinaten und Alkylethersulfaten ist auch aus der europäischen Patentanmeldung 124367 bekannt. Darin sind weiterhin wäßrige Lösungen von Alkylsulfosuccinaten allein und von Alkylsulfosuccinaten im Gemisch mit Alkylbenzolsulfonaten beschrieben.The aqueous mixture of alkyl sulfosuccinates and alkyl ether sulfates is also known from European patent application 124367. It also describes aqueous solutions of alkyl sulfosuccinates alone and of alkyl sulfosuccinates in a mixture with alkyl benzene sulfonates.
Diverse weitere Schutzrechte, unter anderem die europäischen Patentanmeldungen 71410 bis 71414, 112044 bis 112046 und 115923, beschäftigen sich mit dem gleichen Komplex, wobei etwa die Kettenlängen des Alkylsulfosuccinats verändert, die Konsistenz der Mittel verbessert oder die Schaumstabilität erhöht werden.Various other property rights, including European patent applications 71410 to 71414, 112044 to 112046 and 115923, deal with the same complex, whereby the chain lengths of the alkyl sulfosuccinate are changed, the consistency of the agents is improved or the foam stability is increased.
Es wurde nun überraschenderweise gefunden, daß man Schaum- und Reinigungskraft flüssiger, gegebenenfalls wäßriger Reinigungsmittel, die speziell für das manuelle Reinigen von Geschirr konzipiert sind, und die im wesentlichen Alkylglucoside enthalten, dadurch verstärken kann, daß man ihnen Di-alkylsulfosuccinate mit 7 bis 9, insbesondere 8 Kohlenstoffatomen im Alkylrest zu setzt. Der Alkylrest kann geradkettig oder verzweigt sein. Der Anteil an Di-alkylsulfosuccinaten beträgt 20 bis 90, vorzugsweise 50 bis 80 Gewichtsteile, bezogen auf den Gesamttensidgehalt von 15 bis 50 Gew.-% im Produkt. Sie liegen als Alkali-, insbesondere als Natriumsalze vor.It has now surprisingly been found that the foaming and cleaning power of liquid, optionally aqueous, cleaning agents which are specially designed for the manual cleaning of dishes and which essentially contain alkyl glucosides can be increased by giving them di-alkylsulfosuccinates with 7 to 9 , in particular 8 carbon atoms in the alkyl group puts. The alkyl radical can be straight-chain or branched. The proportion of di-alkyl sulfosuccinates is 20 to 90, preferably 50 to 80 parts by weight, based on the total surfactant content of 15 to 50% by weight in the product. They are present as alkali, especially as sodium salts.
Der Anteil der Alkylglucoside mit 10 bis 18, vorzugsweise 12 bis 14 Kohlenstoffatomen im Alkylrest und mit 1 bis 5, vorzugsweise 1 bis 1,4 Glucoseeinheiten (GE) im Molekül in den erfindungsgemäßen Mitteln beträgt dementsprechend 10 bis 80, vorzugsweise 20 bis 50 Gewichtsteile, bezogen auf den Gesamttensidgehalt von 15 bis 50 Gew.-% im Produkt.The proportion of alkyl glucosides with 10 to 18, preferably 12 to 14 carbon atoms in the alkyl radical and with 1 to 5, preferably 1 to 1.4 glucose units (GE) in the molecule in the agents according to the invention is accordingly 10 to 80, preferably 20 to 50 parts by weight. based on the total surfactant content of 15 to 50 wt .-% in the product.
Bei teilweisem Austausch der genannten Tenside durch Aniontenside - vorzugsweise Alkylethersulfate oder Alkylsulfate - und Amphotenside wie z. B. Acylamidopropyldimethylammoniumbetain können Leistungssteigerungen im Spülvermögen und Verbesserungen der Lagerstabilität erzielt werden.With partial replacement of the surfactants mentioned by anionic surfactants - preferably alkyl ether sulfates or alkyl sulfates - and amphoteric surfactants such as. B. Acylamidopropyldimethylammoniumbetain performance improvements in washability and improvements in storage stability can be achieved.
Die erfindungsgemäßen Mittel sind vorzugsweise frei von für solche Mittel im allgemeinen üblichen Anteilen an Aniontensiden auf petrochemischer Basis wie z. B. Alkylbenzolsulfonaten und Alkansulfonaten.The compositions according to the invention are preferably free from the proportions of anionic surfactants based on petrochemicals, such as, for example, which are generally customary for such compositions. B. alkylbenzenesulfonates and alkanesulfonates.
Als Lösungsvermittler, etwa für geringe Farbstoff- und Parfumölzusätze, können beispielsweise Alkanolamine, Polyole, wie Ethylenglykol, Propylenglykol-1,2 oder Glycerin und als Hydrotrope Alkali-alkylbenzolsulfonate mit 1 bis 3 Kohlenstoffatomen im Alkylrest, wie Natriumcumolsulfonat, dienen. Ihre Einsatzmengen liegen dann im allgemeinen zwischen 1 und 10 Gewichtsprozent, bezogen auf das gesamte Mittel.Alkanolamines, polyols, such as ethylene glycol, 1,2-propylene glycol or glycerol and, for example, hydrotropic alkali-alkylbenzenesulfonates with 1 to 3 carbon atoms in the alkyl radical, such as sodium cumolsulfonate, can serve as solubilizers, for example for small amounts of dye and perfume oil. The amounts used are then generally between 1 and 10 percent by weight, based on the total agent.
Zusätzlich werden meist Lösungsmittel, wie niedermolekulare Alkanole mit 1 bis 4 Kohlenstoffatomen im Molekül, vorzugsweise Etha nol und Isopropylalkohol eingesetzt. Ihre Einsatzmengen betragen ebenfalls 3 bis 15 Gewichtsprozent, bezogen auf das gesamte Mittel. Auch Viskositätsregulatoren wie Harnstoff, Natriumchlorid, Ammoniumchlorid, Magnesiumchlorid und Na-citrat können einzeln oder kombiniert eingesetzt werden. Weitere übliche fakultative Zusätze sind Korrosionsinhibitoren, Konservierungsmittel, Farbstoffe und Parfumöle.In addition, mostly solvents such as low molecular weight alkanols with 1 to 4 carbon atoms in the molecule, preferably etha nol and isopropyl alcohol used. The amounts used are also 3 to 15 percent by weight, based on the total agent. Viscosity regulators such as urea, sodium chloride, ammonium chloride, magnesium chloride and sodium citrate can also be used individually or in combination. Other common optional additives are corrosion inhibitors, preservatives, dyes and perfume oils.
Ein etwa noch auf insgesamt 100 Gewichtsprozent zu berechnender Rest für das Gesamtmittel besteht jeweils aus Wasser.A remainder, to be calculated for a total of 100 percent by weight, for the total composition consists of water.
Die erfindungsgemäßen flüssigen Reinigungsmittel nach den folgenden Beispielen wurden durch Zusammenrühren der einzelnen Bestandteile und Stehenlassen des Gemisches bis zur Blasenfreiheit erhalten. Als Sulfosuccinate wurden in den Beispielen jeweils die Natriumsalze eingesetzt.The liquid cleaning agents according to the invention according to the following examples were obtained by stirring the individual constituents together and allowing the mixture to stand until there were no bubbles. In the examples, the sodium salts were used as sulfosuccinates.
In diesem Beispiel wird der Tellertest beschrieben. Die Menge von 27 g Di-isooctylsulfosuccinat wurde bei Raumteperatur mit 15 g Isopropanol in 55 g Wasser verrührt. Und unter weiterem Rühren wurden 3 g C12/14-Alkylglucosid mit 1,1 Glucoseeinheiten (GE) im Molekül hinzugefügt. Das Produkt war klarflüssig und hatte bei 20 °C eine nach Höppler bestimmte Viskosität von 30 mPas. Zur Prüfung der Reinigungsleistung wurden Untertassen mit jeweils 2 g geschmolzenem Rindertalg (Testanschmutzung A) überzogen. Dann wurden 8 l Leitungswasser (16 °d) von 50 °C in eine Schüssel gegeben. Zum Reinigen der mit (A) angeschmutzten Teller wurden 4 g, d. h. 0,5 g/l, des hergestellten Reinigungsmittels zugegeben und die Teller gewaschen. Bis zum Verschwinden des Schaums der anfangs stark schäumenden Lösung konnten 23 Teller sauber gewaschen werden. Beim Weglassen des Alkylglucosids und der Erhöhung des Di-alkylsulfosuccinates auf 30 g konnten nur 6 Teller gewaschen werden. Beim Weglassen des Di-alkylsulfosuccinates und Erhöhung des Alkylglucosids auf 30 g konnten 12 Teller sauber gespült werden (Tabelle 1).
Zur Prüfung der Reinigungsleistung wurde hier neben der Rindertalganschmutzung (A) zusätzlich eine in Wasser verrührte Mischanschmutzung (B) aus Eiweiß, Fett und Kohlehydraten (Mi No 1 von Henkel) herangezogen. Entsprechend den Angaben in Beispiel 1 wurden 3 g Di-isooctylsulfosuccinat ersetzt durch 3 g C12/14-Alkylsulfat bei gleichem Anteil an C12/14-Alkylglucosid mit 1,1 GE. Bis zum Verschwinden des Schaumes konnte dadurch bei mit (A) beschmutzten Tellern die Anzahl sauber gespülter Teller von 23 auf 29 Teller erhöht werden. Bei Anschmutzung (B) wurde eine Leistungssteigerung von 22 auf 25 Teller erzielt. Aus Tabelle 2 ist zu ersehen, daß die Dreierkombinationen gegenüber den Zweierkombinationen bei verschiedenen Anschmutzungen auch ein größeres Leistungsspektrum aufweisen. Je nach dem Mischungsverhältnis der drei Einzeltenside kann die Leistung des zum Stand der Technik gehörenden Spülmittelstandards aus Alkylbenzolsulfonat und Fettalkoholethersulfat in bezug auf hartnäckige Fettanschmutzungen (A) ohne Erhöhung der Gesamt-Aktivsubstanz nahezu verdoppelt werden, ohne bei Mischanschmutzungen (B) Einbußen zu erleiden, oder bei beiden Schmutzarten um ca. 50 % übertroffen werden (Tabelle 2).
Ein weiterer Vorteil der Tensiddreifachkombinationen wird bei Überprüfung der Trübungs- bzw. Klarpunkte ersichtlich.Another advantage of the surfactant triple combinations can be seen when checking the turbidity or clear points.
Eine Lösung aus 10 g C12/14-Alkylglucosid GE 1,4, 15 g Di-isooctylsulfosuccinat, 15 g Ethanol in 60 g Wasser wurde nach 24stündiger Lagerung bei 0 °C trübe und hatte nach dem Einfrieren auf -15 °C und Auftauen einen Klarpunkt + 12 °C. Ersetzte man jedoch 5 g Sulfosuccinat durch 5 g C12/14-Alkylethersulfat mit 2 Ethylenoxidgruppen, so blieb diese Lösung bei 0 °C-Lagerung klar und taute nach dem Einfrieren auf -15 °C bei + 2 °C wieder klar auf (siehe Tabelle 3).
Eine Lösung aus 10 g Di-isooctylsulfosuccinat, 4 g C12/14-Alkylglucoside GE, 1,4, 6 g C12/14-Alkylethersulfat mit 2 Ethylenoxidgruppen, 10 g Isopropanol und 70 g Wasser wurde gemäß Beispiel 1 im Tellertest mit 0,6 g Reinigungsmittel/l Spülflotte eingesetzt. Von den mit Testanschmutzung (B) angeschmutzten Tellern wurden 27 Teller sauber gespült. Ersetzte man jedoch 2 g des Alkylethersulfates durch 2 g C8/18-Acylamidopropyldimethylammoniumbetain (Dehyton K®), so wurden 30 Teller sauber gespült.A solution of 10 g of di-isooctylsulfosuccinate, 4 g of C 12/14 alkyl glucoside GE, 1.4.6 g of C 12/14 alkyl ether sulfate with 2 ethylene oxide groups, 10 g of isopropanol and 70 g of water was, according to Example 1, in a plate test with 0 , 6 g detergent / l rinsing solution. Of the plates soiled with test soil (B), 27 plates were rinsed clean. However, if 2 g of the alkyl ether sulfate were replaced by 2 g of C 8/18 acylamidopropyldimethylammonium betaine (Dehyton K®), 30 plates were rinsed clean.
10 g Sulfosuccinat, 6 g Alkylglucosid GE 1,4, 4 g Alkylethersulfat, 10 g Isopropanol und 70 g Wasser wurden klar gelöst. Im Tellertest wurden von mit Testanschmutzung (B) angeschmutzten Tellern 28 Teller sauber gespült. Ersetzte man jedoch 1 g Alkylglucosid durch 1 g Dehyton K®, so stieg die Spülleistung auf 30 Teller.
Dieses in Analogie zu Beispiel 1 durchgeführte Beispiel zeigt, daß unabhängig von der Anschmutzung Alkylmonoglucoside - wie bereits an den Systemen Alkylglucosid/Alkylsulfat beziehungsweise Alkylethersulfat und/oder Fettsäurealkanolamid (Deutsche Anmeldung 35 34 082) nachgewiesen - in Systemen mit Alkylsulfosuccinaten auch in der Spülleistung Vorteile gegenüber Alkyloligoglucosiden aufweisen.
In Analogie zu Beispiel 1 wurde das Spülvermögen von Tensidmischungen aus C12/14-Alkylglucosid und Di-n-octyl-sulfosuccinat geprüft.
Diese ebenfalls in Analogie zu Beispiel 1 durchgeführten Versuchsreihen zeigen den Einfluß des Oligomerisationsgrades des C12/14-Alkylglucosids auf die Spülleistung in der Kombination mit Di-n-octylsulfosuccinat. Zu beachten ist die Abnahme der Spülleistung mit steigendem Oligomerisationsgrad des Alkylglucosids bei der Mischanschmutzung (B).
Claims (5)
Priority Applications (1)
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AT88102172T ATE66958T1 (en) | 1987-02-25 | 1988-02-15 | LIQUID DETERGENT. |
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DE19873706015 DE3706015A1 (en) | 1987-02-25 | 1987-02-25 | LIQUID DETERGENT |
DE3706015 | 1987-02-25 |
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EP0280143A1 true EP0280143A1 (en) | 1988-08-31 |
EP0280143B1 EP0280143B1 (en) | 1991-09-04 |
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EP88102172A Expired - Lifetime EP0280143B1 (en) | 1987-02-25 | 1988-02-15 | Liquid cleaning agent |
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US (1) | US4839098A (en) |
EP (1) | EP0280143B1 (en) |
JP (1) | JPS63225697A (en) |
AT (1) | ATE66958T1 (en) |
BR (1) | BR8800782A (en) |
CA (1) | CA1333767C (en) |
DE (2) | DE3706015A1 (en) |
ES (1) | ES2024562B3 (en) |
GR (1) | GR3002651T3 (en) |
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- 1988-02-15 EP EP88102172A patent/EP0280143B1/en not_active Expired - Lifetime
- 1988-02-15 DE DE8888102172T patent/DE3864538D1/en not_active Expired - Fee Related
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TR25951A (en) * | 1991-04-15 | 1993-11-01 | Colgate Palmolive Co | LIQUID DETERGENT COMPOSITIONS USED IN LIGHT WORKS |
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EP0509608A2 (en) * | 1991-04-15 | 1992-10-21 | Colgate-Palmolive Company | Light duty liquid detergent compositions |
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FR2682679A1 (en) * | 1991-10-17 | 1993-04-23 | Seppic Sa | NOVEL ALKYLPOLYOSID DERIVATIVES, PROCESSES FOR PREPARING THEM AND APPLICATIONS AS SURFACE AGENTS. |
DE4435387A1 (en) * | 1994-10-04 | 1996-04-11 | Henkel Kgaa | Pumpable aqueous surfactant concentrates |
US5883068A (en) * | 1994-10-04 | 1999-03-16 | Henkel Kommanditgesellschaft Auf Aktien | Pumpable water-containing surfactant concentrates |
EP0801130A2 (en) * | 1996-04-18 | 1997-10-15 | Hüls Aktiengesellschaft | Surfactant containing microemulsion cleaning composition |
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WO2001037658A2 (en) * | 1999-11-23 | 2001-05-31 | Cognis Deutschland Gmbh & Co.Kg | Low-foaming surfactant concentrates for use in the area of promoting plant growth |
WO2001037658A3 (en) * | 1999-11-23 | 2001-12-27 | Cognis Deutschland Gmbh | Low-foaming surfactant concentrates for use in the area of promoting plant growth |
Also Published As
Publication number | Publication date |
---|---|
EP0280143B1 (en) | 1991-09-04 |
ES2024562B3 (en) | 1992-03-01 |
US4839098A (en) | 1989-06-13 |
DE3706015A1 (en) | 1988-11-17 |
CA1333767C (en) | 1995-01-03 |
ATE66958T1 (en) | 1991-09-15 |
JPS63225697A (en) | 1988-09-20 |
DE3864538D1 (en) | 1991-10-10 |
GR3002651T3 (en) | 1993-01-25 |
BR8800782A (en) | 1988-10-04 |
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