EP1564283A2 - combinaison de tensio-actifs - Google Patents

combinaison de tensio-actifs Download PDF

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Publication number
EP1564283A2
EP1564283A2 EP05007381A EP05007381A EP1564283A2 EP 1564283 A2 EP1564283 A2 EP 1564283A2 EP 05007381 A EP05007381 A EP 05007381A EP 05007381 A EP05007381 A EP 05007381A EP 1564283 A2 EP1564283 A2 EP 1564283A2
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EP
European Patent Office
Prior art keywords
disodium
sodium
alkyl
agent according
sulfosuccinate
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.)
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Application number
EP05007381A
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German (de)
English (en)
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EP1564283B1 (fr
EP1564283A3 (fr
Inventor
Georg Meine
Kerstin Ziganke
Brigitte Giese
Werner Holtmann
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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
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2075—Carboxylic acids-salts thereof
    • C11D3/2082—Polycarboxylic acids-salts thereof
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2075—Carboxylic acids-salts thereof
    • C11D3/2086—Hydroxy carboxylic acids-salts thereof
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • 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
    • C11D1/29—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
    • C11D1/88—Ampholytes; Electroneutral 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
    • C11D1/88—Ampholytes; Electroneutral compounds
    • C11D1/90—Betaines
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/10—Objects to be cleaned
    • C11D2111/14—Hard surfaces

Definitions

  • the invention relates to a surfactant combination
  • a surfactant combination comprising (a) fatty alcohol ether sulfate with 1 to 4 EO, (b) sec. Sodium C 13-17 alkyl sulfonate in an amount, based on the surfactant combination, of less than 50% by weight and (c) cocoamidopropyl betaine in a weight ratio (a) :( b): (c) of 1: 1: 1 to 3: 3: 1, an aqueous liquid agent containing the surfactant combination and the use of the agent for cleaning hard surfaces, in particular dishes.
  • the wet or wet hard surfaces either left to dry or in another Dried, usually with the aid of an absorbent article.
  • the Drying surfaces is less labor intensive but takes longer and longer results in shiny (reflective, reflective) hard surfaces, for example made of glass, porcelain, ceramic, plastic or metal, regularly to form unwanted visible residues such as stains (water stains) or streaks as well to a loss of gloss or dull appearance.
  • % of an alkali metal salt of a C 12-18 paraffin sulfonate 2 to 6 wt .-% of an alkali metal salt of an ethoxylated C 12-18 Alkylethersulfats and 2 to 8 wt .-% of a betaine surfactant and a nonionic surfactant, at least one solubilizer, a cosurfactant and a water-insoluble hydrocarbon, a perfume or an essential oil.
  • Object of the present invention was the drying or flow behavior of aqueous surfactant-containing solutions for cleaning hard surfaces, in particular to accelerate drying or drainage.
  • the invention relates to a surfactant combination
  • a surfactant combination comprising (a) fatty alcohol ether sulfate with 1 to 4 EO, (b) sec. Sodium C 13-17 alkyl sulfonate in an amount, based on the surfactant combination, of less than 50% by weight and (c) cocoamidopropyl betaine in a weight ratio (a) :( b) :( c) of 1: 1: 1 to 3: 3: 1.
  • the weight ratio (a) :( b) :( c) is preferably 1.5: 1: 1 to 2: 2: 1, most preferably about 2: 1: 1.
  • the surfactant combination according to the invention may be part of an aqueous, liquid Be mean.
  • the second subject of the invention is therefore an aqueous, liquid composition containing a surfactant combination of (a) fatty alcohol ether sulfate with 1 to 4 EO, (b) sec. Sodium C 13-17 alkyl sulfonate in an amount, based on the surfactant combination, of less than 50% by weight and (c) cocoamidopropyl betaine in a weight ratio (a) :( b): (c) of 1: 1: 1 to 3: 3: 1.
  • the agent according to the invention is suitable as a cleaning agent for hard surfaces and in particular as a hand dishwashing detergent (in short: dishwashing detergent).
  • dishwashing detergent in short: dishwashing detergent.
  • the alkyl sulfonate especially the drying or flow behavior positively influenced, i. especially increases the drying rate and reduces the formation of residues.
  • Third object of the invention is therefore the use of an inventive Agent for cleaning hard surfaces, in particular dishes.
  • hard surfaces come in addition to dishes, all other hard surfaces, in particular of glass, ceramics, Plastic or metal, in household and business in question.
  • Advantage of the surfactant combination according to the invention, of the agent according to the invention or the use according to the invention is the favorable drying or flow behavior, in particular the high drying speed or short drying time, the high Flow rate or short expiration time and the low residue formation and the preserved shine. Drying is here understood as meaning both total drying, in particular to neither optically nor haptically moisture on the surface is perceptible, as well as in particular drying following drainage.
  • Another advantage of the surfactant combination of the invention is the high cleaning effect (Synonyms: cleaning performance or capacity or rinsing effect, performance or assets), especially on greasy soiling.
  • fatty acids or fatty alcohols or their Derivatives - unless otherwise stated - representative of branched or unbranched Carboxylic acids or alcohols or their derivatives having preferably 6 to 22 Carbon atoms.
  • the former are particular because of their vegetable base than on renewable raw materials based on ecological reasons preferred, but without to limit the teaching of the invention to them.
  • the for example, according to the ROELEN's oxo synthesis available oxo alcohols or their derivatives can be used accordingly.
  • alkaline earth metals as counterions for monovalent anions are, this means that the alkaline earth metal, of course, only in the half - to Charge balance sufficient - amount of substance as the anion is present.
  • the agent of the invention contains surfactants in a total amount of usually 0.5 to 60 wt .-%, preferably 1 to 55 wt .-%, in particular 5 to 50 wt .-%, especially preferably 10 to 45 wt .-% and most preferably 15 to 40 wt .-%, for example 18, 25, 32 or 36% by weight.
  • fatty alcohol ether sulfate with 1 to 4 EO, sec. Sodium C 13-17 alkyl sulfonate and cocoamidopropyl betaine may contain the agent according to the invention, in particular for improving cleaning action, flow behavior and / or drying behavior, additionally one or more further anionic surfactants, nonionic surfactants and / or cationic surfactants.
  • the anionic surfactants are usually in situ as alkali metal, alkaline earth metal and / or mono-, di- or Trialkanolammoniumsalz and / or in the form of their with the corresponding alkali metal hydroxide, alkaline earth metal hydroxide and / or mono-, di- or trialkanolamine neutralizing corresponding acid used.
  • Particularly preferred are the sodium salts.
  • Alkyl ether sulfates are products of sulfation reactions on alkoxylated alcohols.
  • alkoxylated alcohols the reaction products of alkylene oxide, preferably ethylene oxide, with alcohols, in the context of the present invention preferably with longer-chain alcohols, ie with aliphatic straight-chain or mono- or multi-branched, acyclic or cyclic, saturated or mono- or polysubstituted unsaturated, preferably straight-chain, acyclic, saturated, alcohols having 6 to 22, preferably 8 to 18, in particular 10 to 16 and particularly preferably 12 to 14 carbon atoms.
  • Another embodiment of the alkoxylation is the use of mixtures of the alkylene oxides, preferably the mixture of ethylene oxide and propylene oxide.
  • Very particularly preferred for the purposes of the present invention are low-ethoxylated fatty alcohols having 1 to 4 ethylene oxide units (EO), in particular 1 to 2 EO, for example 1.3 EO, such as Na-C 12-14 fatty alcohol + 1.3EO sulfate.
  • the inventive composition contains fatty alcohol ether sulfate with 1 to 4 EO and optionally further alkyl ether sulfates in an amount of usually 1 to 50 wt .-%, preferably 3 to 40 wt .-%, in particular more than 6 to 30 wt .-%, particularly preferably 8 to 20 wt .-%, most preferably 10 to 16 wt .-%.
  • the alkyl sulfonates usually have an aliphatic straight-chain or mono- or poly-branched, acyclic or cyclic, saturated or mono- or polyunsaturated, preferably branched, acyclic, saturated, alkyl radical having 6 to 22, preferably 9 to 20, in particular 11 to 18 and more preferably 13 to 17 carbon atoms.
  • suitable alkyl sulfonates are the saturated alkanesulfonates, the unsaturated olefin sulfonates and the ether sulfonates which are derived formally from the alkoxylated alcohols on which the alkyl ether sulfates are based, in which terminal ether sulfonates (n-ether sulfonates) having a sulfonate function bonded to the polyether chain are present Ethersulfonate ( i -Ethhersulfonate) with associated with the alkyl radical sulfonate function.
  • alkanesulfonates in particular alkanesulfonates having a branched, preferably secondary, alkyl radical, for example the secondary alkanesulfonate sec. Na C 13-17 alkanesulfonate ( INCI Sodium C14-17 Alkyl Sec Sulfonate).
  • the agent according to the invention contains sec. Sodium C 13-17 alkyl sulfonate and optionally further alkyl sulfonates in an amount of usually 0.1 to less than 30% by weight, preferably 1 to 20% by weight, in particular 2 to less than 14% by weight, particularly preferably 3 to 10 wt .-%, most preferably 4 to 8 wt .-%.
  • the sec. Sodium C 13-17 alkyl sulfonate is present in an amount, based on the surfactant combination, of less than 50 wt .-% in the inventive composition.
  • the agent according to the invention may additionally contain one or more further anionic surfactants usually in an amount of 0.001 to 5% by weight, preferably 0.01 up to 4% by weight, in particular 0.1 to 3% by weight, particularly preferably 0.2 to 2% by weight, most preferably 0.5 to 1.5 wt .-%, for example 1 wt .-%.
  • Suitable further anionic surfactants are, in particular, aliphatic sulfates, such as fatty alcohol sulfates, Monoglyceride sulfates and ester sulfonates (sulfo fatty acid esters), lignosulfonates, Alkylbenzenesulfonates, fatty acid cyanamides, anionic sulfosuccinic acid surfactants, Fatty acid isethionates, acylaminoalkanesulfonates (fatty acid taurides), fatty acid sarcosinates, Ethercarboxylic acids and alkyl (ether) phosphates.
  • aliphatic sulfates such as fatty alcohol sulfates, Monoglyceride sulfates and ester sulfonates (sulfo fatty acid esters), lignosulfonates, Alkylbenzenesulfonates, fatty acid cyanamides, anionic sulf
  • Suitable further anionic surfactants are also anionic gemini surfactants having a diphenyl oxide basic structure, 2 sulfonate groups and an alkyl radical on one or both benzene rings according to the formula - O 3 S (C 6 H 3 R) O (C 6 H 3 R ') SO 3 - in which R is an alkyl radical having, for example, 6, 10, 12 or 16 carbon atoms and R 'is R or H (Dowfax® Dry Hydrotropic Powder with C 16 -alkyl radical (s); INCI Sodium hexyldiphenyl ether sulfonate, disodium decyl Phenyl ether disulfonates, disodium lauryl phenyl ether disulfonates, disodium cetyl phenyl ether disulfonates) and fluorinated anionic surfactants, in particular perfluorinated alkyl sulfonates such as ammonium C 9/10 perfluoroalkyl s
  • Particularly preferred further anionic surfactants are the anionic sulfosuccinic acid surfactants sulfosuccinates, sulfosuccinamates and sulfosuccinamides, especially sulfosuccinates and sulfosuccinamates, most preferably sulfosuccinates.
  • the sulfosuccinates are the salts of the monoesters and diesters of sulfosuccinic acid HOOCCH (SO 3 H) CH 2 COOH, while the sulfosuccinamates are the salts of the monoamides of sulfosuccinic acid and the sulfosuccinamides are the salts of the diamides of sulfosuccinic acid.
  • a detailed description of these known anionic surfactants is provided by A. Domsch and B.
  • the salts are preferably alkali metal salts, ammonium salts and Mono-, di- or trialkanolammonium salts, for example mono-, di- or triethanolammonium salts, especially lithium, sodium, potassium or ammonium salts, especially preferably sodium or ammonium salts, most preferably sodium salts.
  • one or both carboxyl groups of the sulfosuccinic acid is preferably with one or two identical or different unbranched or branched, saturated or unsaturated, acyclic or cyclic, optionally alkoxylated alcohols having 4 to 22, preferably 6 to 20, in particular 8 to 18 , more preferably 10 to 16, most preferably 12 to 14 carbon atoms esterified.
  • esters of unbranched and / or saturated and / or acyclic and / or alkoxylated alcohols in particular unbranched, saturated fatty alcohols and / or unbranched, saturated, with ethylene and / or propylene oxide, preferably ethylene oxide, alkoxylated fatty alcohols having a degree of alkoxylation of 1 to 20, preferably 1 to 15, in particular 1 to 10, more preferably 1 to 6, most preferably 1 to 4.
  • the monoesters are preferred in the context of the present invention over the diesters.
  • sulfosuccinamates or sulfosuccinamides form or form both carboxyl groups of sulfosuccinic acid, preferably with a primary or secondary Amine, the one or two identical or different, unbranched or branched, saturated or unsaturated, acyclic or cyclic, optionally alkoxylated alkyl radicals with 4 to 22, preferably 6 to 20, in particular 8 to 18, particularly preferred 10 to 16, most preferably carries 12 to 14 carbon atoms, a carboxylic acid amide.
  • Especially preferred are unbranched and / or saturated and / or acyclic alkyl radicals, in particular unbranched, saturated fatty alkyl radicals.
  • sulfosuccinates designated and sulfosuccinamates, which are described in the International Cosmetic Ingredient Dictionary and Handbook detail: ammonium dinonyl sulfosuccinates, Ammonium Lauryl Sulfosuccinate, diammonium dimethicone copolyol sulfosuccinates, diammonium lauramido MEA sulfosuccinates, diammonium lauryl sulfosuccinates, diammonium oleamido PEG-2 Sulfosuccinate, Diamyl Sodium Sulfosuccinate, Dicapryl Sodium Sulfosuccinate, Dicyclohexyl Sodium Sulfosuccinate, Diheptyl Sodium Sulfosuccinate, Dihexyl Sodium Sulfosuccinate, Düsobutyl Sodium Sulfosuccinate, Dioctyl
  • Preferred anionic sulfosuccinic acid surfactants are imidosuccinate, monosodium sulfosuccinic di-isobutyl ester (Monawet® MB 45), monosodium sulfosuccinic acid di-octyl ester (Monawet® MO-84 R2W, Rewopol® SB DO 75), mono-sodium sulfosuccinic acid ditridecyl ester (Monawet® MT 70), fatty alcohol polyglycol sulfosuccinate Na-NH 4 salt (sulfosuccinate S-2), di-Na sulfosuccinic acid mono C 12/14 -3EO ester (Texapon® SB-3), diisooctyl sodium sulfosuccinate , (-Texin® DOS 75) - and di-Na-sulfosuccinic mono-C 12/18 esters (Texin® 128-
  • the agent according to the invention contains as anionic Sulfosuccinic acid surfactants one or more sulfosuccinates, sulfosuccinamates and / or sulfosuccinamides, preferably sulfosuccinates and / or sulfosucciamates, in particular Sulfosuccinates, in an amount of usually 0.001 to 5 wt .-%, preferably 0.01 to 4 wt .-%, in particular 0.1 to 3 wt .-%, particularly preferably 0.2 to 2 wt .-%, most preferably 0.5 to 1.5 wt .-%, for example 1 wt .-%.
  • amphoteric surfactants amphoteric surfactants, zwitterionic surfactants
  • Betaine alkylamidoalkylamines, alkyl-substituted ones
  • Amino acids, acylated amino acids or biosurfactants of which the betaines in the Within the scope of the teaching according to the invention are preferred.
  • the agent according to the invention contains cocoamidopropylbetaine and optionally further amphoteric surfactants in an amount of usually 0.1 to 20% by weight, preferably 1 to 15% by weight, in particular 2 to 12 wt .-%, particularly preferably 3 to 10 wt .-%, most preferably 4 to 8 wt .-%.
  • Preferred amphoteric surfactants are the alkylbetaines of the formula (Ia), the alkylamidobetaines of the formula (Ib), the sulfobetaines of the formula (Ic) and the amidosulfobetaines of the formula (Id),
  • R 1 is -N + (CH 3 ) 2 -CH 2 COO -
  • R 1 is -N + (CH 3 ) 2 -CH 2 CH (OH) CH 2 SO 3 -
  • R 1 has the same meaning as in formula I.
  • amphoteric surfactants are the carbobetaines, in particular the carbobetaines of the formula (Ia) and (Ib), most preferably the Alkylamidobetaine of formula (Ib).
  • betaines and sulfobetaines are the following compounds designated as INCI : almondamidopropyl betaines, apricotamidopropyl betaines, avocadamidopropyl betaines, babassuamidopropyl betaines, behenamidopropyl betaines, behenyl betaines, betaines, canolamidopropyl betaines, caprylic / capramidopropyl betaines, carnitines, cetyl betaines, cocamidoethyl betaines, cocamidopropyl Betaines, cocamidopropyl hydroxysultaines, coco-betaines, coco-hydroxysultaines, coco / oleamidopropyl betaines, coco-sultaines, decyl betaines, dihydroxyethyl oleyl glycinates, dihydroxyethyl soy glycinates, dihydroxyethy
  • R 9 is -CO-NH- (CH 2 ) 2 -N (R 11 ) -CH 2 CH 2 O-CH 2 -COOM
  • R 9 is -CO-NH- (CH 2 ) 2 -N (R 11 ) -CH 2 CH 2 O-CH 2 CH 2 -COOM
  • R 9 is -CO-NH- (CH 2 ) 2 -N (R 11 ) -CH 2 CH 2 O-CH 2 CH (OH) CH 2 -SO 3 M
  • R 9 is -CO-NH- (CH 2 ) 2 -N (R 11 ) -CH 2 CH 2 O-CH 2 CH (OH) CH 2 -OPO 3 HM in which R 11 and M have the same meaning as in formula (III).
  • alkylamidoalkylamines are the following named according to INCI compounds: Cocoamphodipropionic Acid, Cocobetainamido amphopropionates, DEA-Cocoamphodipropionate, Disodium Caproamphodiacetate, Disodium Caproamphodipropionate, Disodium Capryloamphodiacetate, Disodium Capryloamphodipropionate, Disodium Cocoamphocarboxyethylhydroxypropylsulfonate, Disodium Cocoamphodiacetate, Disodium Cocoamphodipropionate, Disodium Isostearoamphodiacetate, Disodium Isostearoamphodipropionate, Disodium laureth 5 Carboxyamphodiacetate, Disodium Lauroamphodiacetate, Disodium Lauroamphodipropionate, Disodium Oleoamphodipropionate, Disodium PPG-2-Isodeceth-7 Carboxyamphodia
  • alkyl-substituted amino acids are the aminopropionates according to formula (IVa), R 13 -NH-CH 2 CH 2 COOM ' in which R 13 and M 'have the same meaning as in formula (IV).
  • Illustrative alkyl substituted amino acids are the following INCI compounds: Aminopropyl Laurylglutamine, Cocaminobutyric Acid, Cocaminopropionic Acid, DEA Lauraminopropionate, Disodium Cocaminopropyl Iminodiacetate, Disodium Dicarboxyethyl Cocopropylenediamine, Disodium Lauriminodipropionate, Disodium Steariminodipropionate, Disodium Tallowiminodipropionate, Lauraminopropionic Acid, Lauryl Aminopropylglycine, Lauryl Diethylenediaminoglycine, Myristaminopropionic Acid, Sodium C12-15 Alkoxypropyl Iminodipropionate, Sodium Cocaminopropionate, Sodium Lanolaminopropionate, Sodium Lauriminodipropionate, Sodium Lauroyl Methylaminopropionate, TEA Lauraminopropionate and TEA Myr
  • Acylated amino acids are amino acids, in particular the natural ⁇ -amino acids, which on the amino nitrogen atom carry the acyl radical R 19 CO of a saturated or unsaturated fatty acid R 19 COOH, where R 19 is a saturated or unsaturated C 6-22 -alkyl radical, preferably C 8-18 Alkyl, in particular a saturated C 10-16 alkyl radical, for example a saturated C 12-14 alkyl radical.
  • the acylated amino acids can also be used as the alkali metal salt, alkaline earth metal salt or alkanolammonium salt, for example mono-, di- or triethanolammonium salt.
  • acylated amino acids are the acyl derivatives summarized in accordance with INCI under Amino Acids, for example sodium cocoyl glutamate, lauroyl glutamic acid, capryloyl glycine or myristoyl methylalanine.
  • a combination of two or more different amphoteric surfactants, especially a binary amphoteric surfactant combination used.
  • the amphoteric surfactant combination contains cocoamidopropyl betaine and preferably at least one amphoteric surfactant selected from the group comprising sodium carboxyethyl cocosphoethyl imidazoline (Phosphoteric® TC-6), C 8/10 amidopropyl betaine ( INCI Capryl / Capramidopropyl Betaine, Tego® Betaine 810), N-2-hydroxyethyl-N carboxymethyl-fatty acid-amido-ethylamine-Na (Rewoteric® AMV) and N-capryl / caprin-amidoethyl-N-ethyl ether-propionate-Na (Rewoteric® AMVSF) and the betaine 3- (3-cocoamido-propyl) -dimethylammonium-2 -hydroxypropanesulfonate ( INCI Sultaine; Rewoteric® AM CAS) and the alkylamidoalkylamine N- [N
  • the agent according to the invention contains a or more amphoteric surfactants in an amount of more than 8% by weight. In yet another particular embodiment, the agent according to the invention contains one or more Amphoteric surfactants in an amount of less than 2% by weight.
  • the agent according to the invention may additionally comprise one or more nonionic surfactants usually in an amount of 0.001 to 5% by weight, preferably 0.01 to 4 wt .-%, in particular 0.1 to 3 wt .-%, particularly preferably 0.2 to 2 wt .-%, most preferably 0.5 to 1.5 wt .-%, for example 1 wt .-%.
  • Nonionic surfactants in the context of the invention are alkoxylates such as polyglycol ethers, Fatty alcohol polyglycol ethers, alkylphenol polyglycol ethers, end-capped polyglycol ethers, Mixed ethers and hydroxy mixed ethers and fatty acid polyglycol esters. Also suitable are block polymers of ethylene oxide and propylene oxide and fatty acid alkanolamides and fatty acid polyglycol ethers.
  • Important classes of nonionic according to the invention Surfactants are furthermore the amine oxides and the sugar surfactants, in particular the alkyl polyglucosides.
  • Suitable amine oxides are the following compounds designated as INCI : almondamidopropylamine oxides, babassuamidopropylamine oxides, behenamine oxides, cocamidopropyl amine oxides, cocamidopropylamine oxides, cocamine oxides, coco-morpholine oxides, decylamine oxides, decyltetradecylamine oxides, diaminopyrimidines oxides, dihydroxyethyl C8-10 alkoxypropylamines Oxides, dihydroxyethyl C9-11 alkoxypropylamines oxides, dihydroxyethyl C12-15 alkoxypropylamines oxides, dihydroxyethyl cocamine oxides, dihydroxyethyl lauramine oxides, dihydroxyethyl stearamines oxides, dihydroxyethyl tallowamine oxides, hydrogenated palm kernel amines oxides, hydrogenated tallowamine oxides, hydroxyethyl
  • Sugar surfactants are known surface-active compounds which include, for example, the sugar surfactant classes of the alkyl glucose esters, aldobionamides, gluconamides (sugar acid amides), glycerol amides, glycerol glycolipids, polyhydroxy fatty acid amide sugar surfactants (sugar amides) and alkyl polyglycosides, as described, for example, in WO 97/00609 (Henkel Corporation) and those cited therein Publications are described (pages 4 to 12), to which reference is made in this regard and the content of which is hereby incorporated into this application.
  • sugar surfactant classes of the alkyl glucose esters, aldobionamides, gluconamides (sugar acid amides), glycerol amides, glycerol glycolipids, polyhydroxy fatty acid amide sugar surfactants (sugar amides) and alkyl polyglycosides, as described, for example, in WO
  • Preferred dough surfactants within the scope of the teaching according to the invention are the alkyl polyglycosides and the sugar amides and their derivatives, in particular their ethers and esters.
  • the ethers are the products of the reaction of one or more, preferably one, sugar hydroxy group with a compound containing one or more hydroxy groups, for example C 1-22 alcohols or glycols such as ethylene and / or propylene glycol, the sugar hydroxy group also being polyethylene glycol - And / or polypropylene glycol can carry.
  • the esters are the reaction products of one or more, preferably one, sugar hydroxy group with a carboxylic acid, in particular a C 6-22 fatty acid.
  • Particularly preferred sugar amides satisfy the formula R'C (O) N (R ") [Z] in which R 'is a linear or branched, saturated or unsaturated acyl radical, preferably a linear unsaturated acyl radical having from 5 to 21, preferably 5 to 17, in particular 7 to 15, particularly preferably 7 to 13 carbon atoms, R "is a linear or branched, saturated or unsaturated alkyl radical, preferably a linear unsaturated alkyl radical, having 6 to 22, preferably 6 to 18, in particular 8 to 16, particularly preferred 8 to 14 carbon atoms, a C 1-5 alkyl radical, in particular a methyl, ethyl, propyl, isopropyl, n- butyl, isobutyl, tert- butyl or n- pentyl radical, or hydrogen and Z is a Zuckerrerst, ie a Monosaccharidrest stand.
  • Particularly preferred sugar amides are the amides of glucose, the glucamides
  • alkylpolyglycosides are particularly preferred sugar surfactants within the scope of the teaching according to the invention and preferably satisfy the general formula R i O (AO) a [G] x in which R i is a linear or branched, saturated or unsaturated alkyl radical having 6 to 22 , preferably 6 to 18, in particular 8 to 16, particularly preferably 8 to 14 carbon atoms, [G] for a glycosidically linked sugar residue and x for a number from 1 to 10 and AO for an alkyleneoxy group, for example an ethyleneoxy or propyleneoxy group, and a represent the average degree of alkoxylation of 0 to 20.
  • R i is a linear or branched, saturated or unsaturated alkyl radical having 6 to 22 , preferably 6 to 18, in particular 8 to 16, particularly preferably 8 to 14 carbon atoms
  • [G] for a glycosidically linked sugar residue and x for a number from 1 to 10
  • AO for an alkyleneoxy group,
  • the group (AO) a may also contain different alkyleneoxy units, for example ethyleneoxy or propyleneoxy units, in which case a is the average total degree of alkoxylation, ie the sum of degree of ethoxylation and degree of propoxylation.
  • alkyl radicals R 1 of the APG are linear unsaturated radicals having the stated number of carbon atoms.
  • APG are nonionic surfactants and are known substances that can be obtained by the relevant methods of preparative organic chemistry.
  • alkyl glycosides having a mean degree of oligomerization x of 1.1 to 3.0 are used. From an application point of view, those alkyl glycosides whose degree of oligomerization is less than 1.7 and in particular between 1.2 and 1.6 are preferred.
  • the glycosidic sugar used is preferably xylose, but especially glucose.
  • the alkyl or alkenyl radical R i can be derived from primary alcohols having 8 to 18, preferably 8 to 14 carbon atoms. Typical examples are caproic alcohol, caprylic alcohol, capric alcohol and undecyl alcohol, and technical mixtures thereof, such as those obtained during the hydrogenation of technical fatty acid methyl esters or in the hydrogenation of aldehydes from ROELEN's oxosynthesis.
  • the alkyl or alkenyl radical R i is derived from lauryl alcohol, myristyl alcohol, cetyl alcohol, palmoleyl alcohol, stearyl alcohol, isostearyl alcohol or oleyl alcohol. Also to be mentioned are elaidyl alcohol, petroselinyl alcohol, arachidyl alcohol, gadoleyl alcohol, behenyl alcohol, erucyl alcohol and technical mixtures thereof.
  • preferred alkyl polyglycosides are, for example, C 8-10 and C 12-14 alkyl polyglucoside having a DP degree of 1.4 or 1.5, especially C 8-10 alkyl-1,5-glucoside and C 12-14 alkyl-1,4-glucoside.
  • composition according to the invention may additionally contain one or more cationic surfactants (cationic surfactants, INCI quaternary ammonium compounds), usually in an amount of 0.001 to 5% by weight, preferably 0.01 to 4% by weight, in particular 0.1 to 3 Wt .-%, particularly preferably 0.2 to 2 wt .-%, most preferably 0.5 to 1.5 wt .-%, for example 1 wt .-%.
  • cationic surfactants cationic surfactants, INCI quaternary ammonium compounds
  • Preferred cationic surfactants are the quaternary surface-active compounds, in particular with an ammonium, sulfonium, phosphonium, iodonium or arsonium group, as described, for example, by K. H. Wallrobußer in "Praxis des Sterilisation, Disinfection - Konservtechnik: Keimidentiser - Racegiene” (5 Ed., Stuttgart, New York: Thieme, 1995) as antimicrobial agents.
  • the agent can be designed with an antimicrobial effect or its possibly existing antimicrobial effect due to other ingredients can be improved.
  • Particularly preferred cationic surfactants are the quaternary ammonium compounds (QAV, INCI quaternary ammonium compounds) according to the general formula (R I ) (R II ) (R III ) (R IV ) N + X - , in which R I to R IV are the same or various C 1-22 -alkyl radicals, C 7-28 -Aralkylreste or heterocyclic radicals, wherein two or in the case of an aromatic inclusion as in pyridine even three radicals together with the nitrogen atom, the heterocycle, for example a pyridinium or Imidazoliniumtress form, and represent X - are halide ions, sulfate ions, hydroxide ions or similar anions.
  • at least one of the radicals has a chain length of 8 to 18, in particular 12 to 16, carbon atoms.
  • benzetonium chloride N , N-dimethyl-N- [2- [2- [ p- (1,1,3,3-tetramethylbutyl) phenoxy] ethoxy] ethyl] benzyl ammonium chloride, CAS No. 121-54-0
  • dialkyldimethylammonium chlorides such as n -decyl-dimethyl-ammonium chloride (CAS No. 7173-51-5-5), didecyldimethylammonium bromide (CAS No. 2390-68-3), dioctyl-dimethylammoniumchloric, 1-cetylpyridinium chloride (CAS No.
  • anionic surfactants are possible aniontensidver divulges and / or as little as possible cationic surfactant used or in a particular Embodiment of the invention dispensed entirely with cationic surfactants.
  • the water content of the aqueous composition according to the invention is usually from 20 to 99 wt .-%, preferably 40 to 90 wt .-%, in particular 50 to 85 wt .-%, especially preferably from 55 to 80% by weight.
  • the agent of the invention may advantageously additionally one or more water-soluble contain organic solvents, usually in an amount of 0.1 to 30 wt .-%, preferably 1 to 20 wt .-%, in particular 2 to 15 wt .-%, especially preferably 4 to 12 wt .-%, most preferably 6 to 10 wt .-%.
  • the solvent is in the context of the teaching of the invention as needed in particular used as a hydrotrope, viscosity regulator and / or cold stabilizer. It acts solution-promoting especially for surfactants and electrolyte as well as perfume and dye and thus contributes to their incorporation, prevents the formation of liquid-crystalline Phases and contributes to the formation of clear products.
  • the viscosity of the inventive Agent decreases with increasing amount of solvent. Too much solvent However, it can cause excessive viscosity drop. Eventually it decreases with increasing Solvent amount of the clouding and clearing point of the inventive Agent.
  • Suitable solvents are, for example, saturated or unsaturated, preferably saturated, branched or unbranched C 1-20 -hydrocarbons, preferably C 2-15 -hydrocarbons, having at least one hydroxy group and optionally one or more ether functions COC, ie the carbon atom chain interrupting oxygen atoms.
  • Preferred solvents are the - optionally unilaterally etherified with a C 1-6 alkanol - C 2-6 alkylene glycols and poly-C 2-3 alkylene glycol having an average of 1 to 9 identical or different, preferably the same, alkylene glycol groups per molecule as well C 1-6 -alcohols, preferably ethanol, n- propanol or iso- propanol, in particular ethanol.
  • Exemplary solvents are the following INCI compounds: alcohol (ethanol), buteth-3, butoxy diglycol, butoxyethanol, butoxyisopropanol, butoxypropanol, n-butyl alcohol, t-butyl alcohol, butylene glycol, butyloctanol, diethylene glycol, dimethoxy diglycol, dimethyl ether, Dipropylene glycol, ethoxydiglycol, ethoxyethanol, ethyl hexanediol, glycol, hexanediol, 1,2,6-hexanetriol, hexyl alcohol, hexylene glycol, isobutoxypropanol, isopentyldiol, isopropyl alcohol ( iso -propanol), 3-methoxybutanol, methoxy diglycol, methoxyethanol, methoxyisopropanol, Methoxymethylbutanol, Methoxy PEG-10, Methyl
  • Particularly preferred solvents are the unilaterally etherified with a C 1-6 alkanol poly-C 2-3 alkylene glycol having an average of 1 to 9, preferably 2 to 3, ethylene or propylene glycol groups, for example PPG-2 methyl ether (dipropylene glycol monomethyl ether).
  • Most preferred solvents are the C 2-3 alcohols ethanol, n -propanol and / or iso-propanol, especially ethanol.
  • solubilizer in particular for perfume and dyes may except those previously also described, for example, alkanolamines and alkylbenzenesulfonates be used with 1 to 3 carbon atoms in the alkyl radical.
  • the inventive Mean to further improve the drainage and / or drying behavior, the inventive Means one or more additives from the group of surfactants, the polymers and the builders, usually in an amount of 0.001 to 5 wt .-%, preferably 0.01 to 4 wt .-%, in particular 0.1 to 3 wt .-%, particularly preferably 0.2 to 2 wt .-%, most preferably 0.5 to 1.5 wt .-%, for example 1% by weight.
  • Surfactants useful as additives are certain of the amphoteric types already described above Surfactants, other anionic surfactants, nonionic surfactants and cationic Surfactants that are repeated at this point.
  • the content of surfactant additives is preferably to be chosen so that the total surfactant content in the above Quantity ranges lies.
  • Amphoteric surfactants suitable as additives are, in particular, sodium carboxyethyl coco-phosphoethyl imidazoline (Phosphoteric® TC-6), C 8/10 amidopropyl betaine ( INCI Capryl / Capramidopropyl Betaine, Tego® Betaine 810), N-2-hydroxyethyl-N-carboxymethyl fatty acid amido-ethylamine -Na (Rewoteric® AMV) and N-capryl / caprin-amidoethyl-N-ethyl ether-propionate-Na (Rewoteric® AMVSF) and the betaine 3- (3-cocoamido-propyl) -dimethylammonium-2-hydroxypropanesulfonate ( INCI Sultaine; Rewoteric® AM CAS) and the alkylamidoalkylamine N- [N '(N "-2-hydroxyethyl-N" -carboxyethy
  • anionic surfactants which are suitable as additives are, in particular, anionic gemini surfactants having a diphenyl oxide basic structure, 2 sulfonate groups and one alkyl radical on one or both benzene rings according to the formula - O 3 S (C 6 H 3 R) O (C 6 H 3 R ' ) SO 3 - , in which R is an alkyl radical having, for example, 6, 10, 12 or 16 carbon atoms and R 'is R or H (Dowfax® Dry Hydrotropic Powder with C 16 -alkyl radical (s); INCI Sodium hexyldiphenyl ether sulfonates, Disodium decyl phenyl ether disulfonate, disodium lauryl phenyl ether disulfonate, disodium cetyl phenyl ether disulfonate) and the fluorinated anionic surfactants ammonium C 9/10 perfluoroalkyl sulfonate (Flu)
  • nonionic surfactants are C 10 -dimethylamine oxide (Ammonyx® DO), C 10/14 -fatty alcohol + 1.2PO + 6.4EO (Dehydol® 980), C 12/14 -fatty alcohol + 6EO (Dehydol® LS6).
  • Cationic surfactants which are suitable as additives are, in particular, cationic surfactants compatible with anionic surfactants, such as quaternary ammonium compounds, for example coco-pentaethoxymethylammonium methosulfate ( INCI PEG-5 Cocomonium Methosulfate, Rewoquat® CPEM).
  • anionic surfactants such as quaternary ammonium compounds, for example coco-pentaethoxymethylammonium methosulfate ( INCI PEG-5 Cocomonium Methosulfate, Rewoquat® CPEM).
  • Suitable polymers are especially maleic acid-acrylic acid copolymer Na salt (Sokalan® CP 5), modified polyacrylic acid Na salt (Sokalan® CP 10), modified Polycarboxylate Na salt (Sokalan® HP 25), polyalkylene oxide, modified heptamethyltrisiloxane (Silwet® L-77), polyalkylene oxide, modified heptamethyltrisiloxane (Silwet® L-7608), polyethersiloxanes (copolymers of polymethylsiloxanes with ethylene oxide / propylene oxide segments (Polyether blocks), preferably water-soluble linear Polyether siloxanes with terminal polyether blocks such as Tegopren® 5840, Tegopren® 5843, Tegopren® 5847, Tegopren® 5851, Tegopren® 5863, Tegopren® 5878) and
  • Builders suitable as additives are, in particular, polyaspartic acid sodium salt, Ethylenediaminetriacetatkokosalkylacetamid (Rewopol® CHT 12), Methylglycindiessigcicre Tri-Na salt (Trilon® ES 9964) and acetophosphonic acid (Turpinal® SL).
  • Tegopren grades 5843 and 5863 are designed for use on hard surfaces Glass, especially glassware, less preferred, since these silicone surfactants on glass can raise.
  • the favorable for the inventive agent viscosity is 20 ° C and a shear rate of 30 s -1 - measured by a viscometer type Brookfield LV DV II and spindle 25 - in the range of 10 to 5,000 mPa ⁇ s, preferably 50 to 2,000 mPa ⁇ S, in particular 100 to 1000 mPa ⁇ s, more preferably 150 to 700 mPa ⁇ s, most preferably 200 to 500 mPa ⁇ s, for example 300 to 400 mPa ⁇ s.
  • the viscosity of the composition according to the invention can for this purpose - especially at a low Surfactant content of the agent - increased by thickening agents and / or - in particular at a high surfactant content of the agent - be reduced by solvents.
  • composition according to the invention may additionally comprise one or more electrolyte salts and / or one or more polymeric thickeners.
  • Electrolyte salts in the context of the present invention are salts which are present in the invention aqueous agents disintegrate into their ionic constituents.
  • a particularly preferred electrolyte salt is magnesium sulfate, especially MgSO 4 .7H 2 O, also referred to as Epsom salt, and minerally occurring as epsomite.
  • an electrolyte salt in the form of his corresponding acid / base pair are used, for example hydrochloric acid and sodium hydroxide instead of sodium chloride.
  • the content of the electrolyte salt is usually not more than 8% by weight, preferably between 0.1 and 6% by weight, more preferably between 0.2 and 4% by weight, in particular between 0.3 and 2 wt .-% and most preferably between 0.5 and 1 wt .-%, for example, 0.7 wt .-%.
  • Polymeric thickening agents in the context of the present invention are those as polyelectrolytes thickening polycarboxylates, preferably homopolymers and copolymers the acrylic acid, in particular acrylic acid copolymers such as acrylic acid-methacrylic acid copolymers, and the polysaccharides, especially heteropolysaccharides, as well as others usual thickening polymers.
  • Suitable polysaccharides or heteropolysaccharides are the polysaccharide gums, for example gum arabic, agar, alginates, carrageenans and their salts, guar, guaran, Tragacanth, gellan, Ramzan, dextran or xanthan and their derivatives, e.g. propoxylated Guar, as well as their mixtures.
  • Other polysaccharide thickeners, such as starches or Cellulose derivatives may alternatively, but preferably in addition to a polysaccharide gum be used, for example, strengths of various origins and Starch derivatives, e.g.
  • Hydroxyethyl starch starch phosphate esters or starch acetates, or Carboxymethylcellulose or its sodium salt, methyl, ethyl, hydroxyethyl, hydroxypropyl, Hydroxypropyl methyl or hydroxyethyl methyl cellulose or cellulose acetate.
  • a preferred polymeric thickener is the microbial anionic heteropolysaccharide xanthan gum produced by Xanthomonas campestris and some other species under aerobic conditions having a molecular weight of 2-15 x 10 6 and is available, for example, from Kelco under the trade name Keltrol® , eg as cream-colored powder Keltrol® T (transparent) or as white granules Keltrol® RD (Readily Dispersable).
  • Acrylic acid polymers suitable as polymeric thickeners are, for example, high molecular weight homopolymers of acrylic acid crosslinked with a polyalkenyl polyether, in particular an allyl ether of sucrose, pentaerythritol or propylene ( INCI Carbomer), which are also referred to as carboxyvinyl polymers.
  • a polyalkenyl polyether in particular an allyl ether of sucrose, pentaerythritol or propylene ( INCI Carbomer), which are also referred to as carboxyvinyl polymers.
  • Such polyacrylic acids are available, inter alia, from BFGoodrich under the trade name Carbopol® , eg Carbopol® 940 (molecular weight about 4,000,000), Carbopol® 941 (molecular weight about 1,250,000) or Carbopol® 934 (molecular weight about 3,000. 000).
  • acrylic acid copolymers are the following acrylic acid copolymers: (i) Copolymers of two or more monomers from the group of acrylic acid, methacrylic acid and their simple, preferably with C 1-4 alkanols formed esters ( INCI acrylates copolymer), to which such as the copolymers of methacrylic acid, butyl acrylate and methyl methacrylate ( CAS 25035-69-2) or of butyl acrylate and methyl methacrylate (CAS 25852-37-3) and which are available, for example, from Rohm & Haas under the trade names Aculyn® and Acusol®
  • the anionic non-associative polymers Aculyn® 33 (crosslinked), Acusol® 810 and Acusol® 830 (CAS 25852-37-3);
  • crosslinked high molecular weight acrylic acid copolymers such as those crosslinked with an allyl ether of sucrose or pentaerythritol copoly
  • the content of polymeric thickener is usually not more than 8 wt .-%, preferably between 0.1 and 7 wt .-%, particularly preferably between 0.5 and 6 wt .-%, in particular between 1 and 5 wt .-% and most preferably between 1.5 and 4% by weight, for example between 2 and 2.5% by weight.
  • the agent is free of polymeric Thickeners.
  • one or more dicarboxylic acids and / or salts thereof can be added, in particular a composition of Na salts of adipic, succinic and glutaric acid, as available, for example, under the trade name Sokalan® DSC is.
  • the use is advantageously carried out in amounts of 0.1 to 8 wt .-%, preferably 0.5 to 7 wt .-%, in particular 1.3 to 6 wt .-% and particularly preferably 2 to 4 wt .-%.
  • a change in the dicarboxylic acid (salt) content can - especially in amounts above 2% by weight - contribute to a clear solution of the ingredients. Also is within certain limits an influence on the viscosity of the mixture by this Medium possible. Furthermore, this component affects the solubility of the mixture. This component is particularly preferably used at high surfactant contents, in particular at surfactant contents above 30 wt .-%.
  • this is the agent according to the invention preferably free from dicarboxylic acid (salts) n.
  • auxiliary agents and additives customary in hand dishwashing detergents and hard surface cleaners in particular UV stabilizers, perfume, pearlescing agents ( INCI Opacifying Agents, for example glycol distearate, eg Cutina® AGS from Henkel KGaA, or US Pat containing mixtures thereof , eg the Euperlane® from Henkel KGaA), dyes, corrosion inhibitors, preservatives (for example the technical 2-bromo-2-nitropropane-1,3-diol (CAS 52-51-7), also referred to as bronopol) which is commercially available, for example, as Myacide® BT or Boots Bronopol BT from Boots) and also skin feel improving or nourishing additives (eg dermatologically active substances such as vitamin A, vitamin B2, vitamin B12, vitamin C, vitamin E, DP).
  • INCI Opacifying Agents for example glycol distearate, eg Cutina® AGS from Henkel KGaA, or US Pat
  • the pH of the composition according to the invention can be determined by means of customary pH regulators, for example Acids such as mineral acids or citric acid and / or alkalis such as sodium or Potassium hydroxide, can be adjusted, wherein - especially when desired hand compatibility a range from 4 to 9, preferably 5 to 8, in particular 6 to 7, is preferred.
  • Acids such as mineral acids or citric acid
  • alkalis such as sodium or Potassium hydroxide
  • the agent according to the invention may contain one or more buffer substances ( INCI Buffering Agents), usually in amounts of 0.001 to 5 wt .-%, preferably 0.005 to 3 wt .-%, in particular 0 , 01 to 2 wt .-%, particularly preferably 0.05 to 1 wt .-%, most preferably 0.1 to 0.5 wt .-%, for example, 0.2 wt .-%.
  • buffer substances which are at the same time complexing agents or even chelating agents ( INCI chelating agents).
  • Particularly preferred buffer substances are the citric acid or the citrates, in particular the sodium and potassium citrates, for example trisodium citrate 2 H 2 O and tripotassium citrate H 2 O.
  • the agent according to the invention can be obtained by stirring the individual components together in any order.
  • the order of approach is for the production of the Not decisive.
  • compositions E1 to E12 were prepared and for comparison also the non-inventive agent V1.
  • the pH was adjusted to a value of about 6.6.
  • Tables 1 to 3 in each case the composition in wt .-% is reproduced.
  • the commercially available hand dishwashing detergents V2 to V4 whose analyzed composition in wt .-% Table 2 reproduced ("-" means accordingly for V2 to V4 "not analytically determined", while "+” for "present according to analysis, but not quantified "stands).
  • the temperature of the detergent solution (wash liquor) was here as well as the Plate 20 ° C, the rinse liquor order per glass plate at least 0.05 g and the concentration 0.4 g of detergent per liter of rinse liquor.
  • the plate was then placed on a scale connected to a computer and from a wetting of the plate with a further 0.05 g of rinsing liquor, i. above a 0.05 g over the weight of the dry plate, until complete dryness of the plate, i. until reaching the weight of the dry plate, from the computer every second the weight of the plate is held.
  • the humidity was determined by means of a Hygrometer, which was placed immediately next to the scale, and amounted between 35 and 46% r. L. (relative humidity). For each rinse liquor, 6 measurements were taken carried out.
  • a scale was installed in an airtight plastic box. Over a Interface was using a computer for weight loss for a period of 5 Minutes recorded every second. To capture only the expiration, the first 12 seconds became not considered for the evaluation.
  • the champagne flutes were made by means of a Pump equipped with the 45 ° C tempered rinsing liquor. The concentration was 0.4 g Cleaning agent per liter of rinsing liquor. The below attached to the goblet of the champagne flute tubular Spout had a diameter of 15 mm and led the expiring rinse across the scale. Temperature and humidity were measured during the measurements monitored with a hygrometer. For each rinse liquor, 10 measurements were made.

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EP1564283B1 (fr) 2012-08-15
DE10003567A1 (de) 2001-08-09
EP1564283A3 (fr) 2006-06-07
EP1250409A1 (fr) 2002-10-23
WO2001055290A1 (fr) 2001-08-02
AU2001231682A1 (en) 2001-08-07
ES2392828T3 (es) 2012-12-14
US20010031712A1 (en) 2001-10-18

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