Classifications

• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/0005—Other compounding ingredients characterised by their effect
  • C11D3/0094—High foaming compositions
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
  • C11D1/66—Non-ionic compounds
  • C11D1/825—Mixtures of compounds all of which are non-ionic
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
  • C11D1/66—Non-ionic compounds
  • C11D1/83—Mixtures of non-ionic with anionic 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
  • C11D1/04—Carboxylic acids or 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
  • C11D1/66—Non-ionic compounds
  • C11D1/662—Carbohydrates or derivatives
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
  • C11D1/66—Non-ionic compounds
  • C11D1/667—Neutral esters, e.g. sorbitan esters

Definitions

• the invention is in the field of surface-active preparations and relates to the use of special binary surfactant mixtures for the production of washing and Detergents.
• Alkyl oligoglycosides are surface-active substances, which simply means the foam thickness Combine anionic surfactants with the dermatological compatibility of nonionic surfactants. Because of these two properties, as well as compatibility with virtually all others Detergent additives, the glycosides have become especially in the area of hand dishwashing detergents secured a permanent place. Nevertheless, alkyl oligoglucosides still shortcomings. So the base foam is sufficient compared to alkyl ether sulfates however, the foam stability is much lower. Furthermore, every further improvement dermatological tolerance desirable.
• the object of the present invention was to provide new preparations to provide based on alk (en) yl oligoglycosides, which is characterized by distinguish that they also with a further improved dermatological tolerance more advantageous foaming behavior, especially with regard to the presence of hardness agents and sebum.
• the mixtures to be used according to the invention characterized by a special skin tolerance and also in hard water strong foaming behavior and high foam stability even with heavy fat loads have. They are therefore particularly suitable for such applications in the area of Household cleaners and textile detergents where strong foaming is desired such as manual dishwashing detergent and foam cleaner. Since on the other hand but can also support the incorporation of silicone defoamers into recipes with their help even low-foaming preparations, for example universal and especially mild detergents.
• Alkyl and alkenyl oligoglycosides are known nonionic surfactants which follow the formula (I) R 1 O- [G] p (I)
• R 1 is an alkyl and / or alkenyl radical having 4 to 22 carbon atoms
• G is a sugar radical having 5 or 6 carbon atoms
• p is a number from 1 to 10.
• the alkyl and / or alkenyl oligoglycosides can be derived from aldoses or ketoses with 5 or 6 carbon atoms, preferably glucose.
• the preferred alkyl and / or alkenyl oligoglycosides are thus alkyl and / or alkenyl oligoglucosides.
• the index number p in the general formula (I) indicates the degree of oligomerization (DP), ie the distribution of mono- and oligoglycosides, and stands for a number between 1 and 10.
• Alkyl and / or alkenyl oligoglycosides with an average degree of oligomerization p of 1.1 to 3.0 are preferably used. From an application point of view, preference is given to those alkyl and / or alkenyl oligoglycosides whose degree of oligomerization is less than 1.7 and in particular between 1.2 and 1.4.
• the alkyl or alkenyl radical R 1 can be derived from primary alcohols having 4 to 11, preferably 8 to 10, carbon atoms. Typical examples are butanol, capro alcohol, caprylic alcohol, capric alcohol and undecyl alcohol and their technical mixtures, such as are obtained, for example, in the hydrogenation of technical fatty acid methyl esters or in the course of the hydrogenation of aldehydes from Roelen's oxosynthesis.
• the alkyl or alkenyl radical R 1 can also be derived from primary alcohols having 12 to 22, preferably 12 to 14, carbon atoms.
• Typical examples are lauryl alcohol, myristyl alcohol, cetyl alcohol, palmoleyl alcohol, stearyl alcohol, isostearyl alcohol, oleyl alcohol, elaidyl alcohol, petroselinyl alcohol, arachyl alcohol, gadoleyl alcohol, behenyl alcohol, erucyl alcohol, brassidyl alcohol and their technical mixtures, which can be obtained as described above.
• Alkyl oligoglucosides based on hardened C 12/14 coconut alcohol with a DP of 1 to 3 are preferred.
• Hydroxycarboxylic acid partial esters are known nonionic surfactants that are used on an industrial scale are available and widely used, for example, as food emulsifiers Find.
• the substances which form component (b) are preferably Esters of hydroxycarboxylic acids with 1 to 6 carbon atoms, especially esters of hydroxycarboxylic acids, which are selected from the group formed by lactic acid, Tartaric acid, malic acid and citric acid and their own condensation products.
• at the partial esters are anionic surfactants, i.e. about connections that still contain at least one free carboxyl group. Accordingly, it can be acidic Act esters or their neutralization products.
• the partial esters are preferably in Form of the alkali, alkaline earth, ammonium, alkylammonium, alkanolammonium and / or Glucammonium salts.
• the esters are also preferably derived from fatty alcohols Have 6 to 22 carbon atoms.
• Typical examples are therefore hydroxycarboxylic acid partial esters based on capronic alcohol, caprylic alcohol, 2-ethylhexyl alcohol, capric alcohol, Lauryl alcohol, isotridecyl alcohol, myristyl alcohol, cetyl alcohol, palmoleyl alcohol, stearyl alcohol, Isostearyl alcohol, oleyl alcohol, elaidyl alcohol, petroselinyl alcohol, linolyl alcohol, Linolenyl alcohol, elaeostearyl alcohol, arachyl alcohol, gadoleyl alcohol, behenyl alcohol, erucyl alcohol and brassidyl alcohol and their technical mixtures.
• Hydroxycarboxylic acid partial esters based on technical coconut fatty alcohols are used. It However, oxo alcohols such as Neodole from Shell can also be used. Especially preferred are also those preparations which, as component (b), are esters of hydroxycarboxylic acids contain with fatty alcohols, the alk (en) yl residue corresponds to that of the alk (en) yl oligoglycosides. With regard to foaming capacity and compatibility, mono- and / or diesters of tartaric acid with fatty alcohols with 10 to 18 carbon atoms as special proven advantageous.
• the preparations can be the alkyl and / or alkenyl oligoglycosides and hydroxycarboxylic acid partial esters in a weight ratio of 1:99 to 99: 1, preferably 5:95 to 95: 5, preferably 10:90 to 90:10, particularly preferably 25: 75 to 75: 25 and in particular 40: 60 to 60: 40 included.
• the preparations are usually in shape aqueous solutions or pastes that have a solids content (corresponding to the active substance content or the non-aqueous portion) from 5 to 50, preferably 10 to 35 and in particular Have 15 to 25 wt .-%.
• the washing and cleaning agents in which the mixtures are used according to the invention can, for example, make universal or mild detergents, hand dishwashing detergents, Universal or foam cleaners.
• These can also be typical auxiliaries and additives contain, such as anionic, nonionic, cationic, amphoteric or zwitterionic Surfactants, builders, co-builders, oil and fat dissolving substances, bleaching agents, bleach activators, Graying inhibitors, enzymes, enzyme stabilizers, optical brighteners, polymers, Defoamers, disintegrants, fragrances, inorganic salts and the like, as in following are explained in more detail.
• anionic surfactants are soaps, alkylbenzenesulfonates, alkanesulfonates, Olefin sulfonates, alkyl ether sulfonates, glycerol ether sulfonates, ⁇ -methyl ester sulfonates, sulfo fatty acids, Alkyl sulfates, fatty alcohol ether sulfates, glycerol ether sulfates, hydroxy mixed ether sulfates, Monoglyceride (ether) sulfates, fatty acid amide (ether) sulfates, mono- and dialkyl sulfosuccinates, Mono- and dialkyl sulfosuccinamates, sulfotriglycerides, amide soaps, ether carboxylic acids and their salts, fatty acid isethionates, fatty acid sarcosinates, fatty acid taurides, N-
• anionic surfactants polyglycol ether chains contain, these can be a conventional, but preferably one have narrow homolog distribution. Alkylbenzenesulfonates, Alkyl sulfates, soaps, alkanesulfonates, olefin sulfonates, methyl ester sulfonates and mixtures thereof used.
• Preferred alkylbenzenesulfonates follow the formula (II) R 2 -Ph-SO 3 X (II) in which R 2 is a branched, but preferably linear alkyl radical having 10 to 18 carbon atoms, Ph is a phenyl radical and X is an alkali and / or alkaline earth metal, ammonium, alkylammonium, alkanolammonium or glucammonium.
• R 2 is a branched, but preferably linear alkyl radical having 10 to 18 carbon atoms
• Ph is a phenyl radical
• X is an alkali and / or alkaline earth metal, ammonium, alkylammonium, alkanolammonium or glucammonium.
• Alkyl and / or alkenyl sulfates which are also frequently referred to as fatty alcohol sulfates, are to be understood as meaning the sulfation products of primary and / or secondary alcohols, which preferably follow the formula (III) R 3 O-SO 3 X (III) in which R 3 represents a linear or branched, aliphatic alkyl and / or alkenyl radical having 6 to 22, preferably 12 to 18 carbon atoms and X represents an alkali and / or alkaline earth metal, ammonium, alkylammonium, alkanolammonium or glucammonium.
• alkyl sulfates which can be used in the context of the invention are the sulfation products of capron alcohol, caprylic alcohol, capric alcohol, 2-ethylhexyl alcohol, lauryl alcohol, myristyl alcohol, cetyl alcohol, palmoleyl alcohol, stearyl alcohol, isostearyl alcohol, oleyl alcohol, aryl selenyl alcohol, elaidyl alcohol, Behenyl alcohol and erucyl alcohol and their technical mixtures, which are obtained from high pressure hydrogenation of technical methyl ester fractions or aldehydes from Roelen's oxosynthesis.
• the sulfation products can preferably be used in the form of their alkali metal salts and in particular their sodium salts.
• Alkyl sulfates based on C 16/18 tallow fatty alcohols or vegetable fatty alcohols of comparable C chain distribution in the form of their sodium salts are particularly preferred.
• these are oxo alcohols, as are obtainable, for example, by converting carbon monoxide and hydrogen to alpha-permanent olefins using the shop process.
• Such alcohol mixtures are commercially available under the trade names Dobanol® or Neodol®. Suitable alcohol mixtures are Dobanol 91®, 23®, 25®, 45®.
• oxo alcohols such as those obtained by the classic Enichema or Condea oxo process by addition of carbon monoxide and hydrogen onto olefins.
• These alcohol mixtures are a mixture of strongly branched alcohols.
• Such alcohol mixtures are commercially available under the trade name Lial®.
• Suitable alcohol mixtures are Lial 91®, 111®, 123®, 125®, 145®.
• Soaps are also to be understood as meaning fatty acid salts of the formula (IV) R 4 CO-OX (IV) in which R 4 CO is a linear or branched, saturated or unsaturated acyl radical having 6 to 22 and preferably 12 to 18 carbon atoms and again X is alkali and / or alkaline earth metal, ammonium, alkylammonium or alkanolammonium.
• Typical examples are the sodium, potassium, magnesium, ammonium and triethanolammonium salts of caproic acid, caprylic acid, 2-ethylhexanoic acid, capric acid, lauric acid, isotridecanoic acid, myristic acid, palmitic acid, palmoleic acid, stearic acid, isostearic acid, oleic acid, elaoleic acid, petoleic acid, linoleic acid, petoleic acid, linoleic acid, linoleic acid, petol acid Linolenic acid, elaeostearic acid, arachic acid, gadoleic acid, behenic acid and erucic acid and their technical mixtures.
• coconut or palm kernel fatty acid is preferably used in the form of its sodium or potassium salts.
• nonionic surfactants are fatty alcohol polyglycol ethers, alkylphenol polyglycol ethers, Fatty acid polyglycol ester, fatty acid amide polyglycol ether, fatty amine polyglycol ether, alkoxylated triglycerides, mixed ethers or mixed formals, fatty acid N-alkylglucamides, Protein hydrolysates (especially vegetable products based on wheat), polyol fatty acid esters, Sugar esters, sorbitan esters, polysorbates and amine oxides. Unless the non-ionic If surfactants contain polyglycol ether chains, these can be conventional, preferably however, have a narrow homolog distribution. Fatty alcohol polyglycol ethers, alkoxylated fatty acid lower alkyl esters or fatty acid N-alkyl polyhydroxyalkylamides used.
• the preferred fatty alcohol polyglycol ethers follow the formula (V) R 5 O (CH 2 CHR 6 O) n1 H (V) in which R 5 represents a linear or branched alkyl and / or alkenyl radical having 6 to 22, preferably 12 to 18 carbon atoms, R 6 represents hydrogen or methyl and n1 represents numbers from 1 to 20.
• Typical examples are the addition products of an average of 1 to 20 and preferably 5 to 10 mol of ethylene and / or propylene oxide onto capron alcohol, caprylic alcohol, 2-ethylhexyl alcohol, capric alcohol, lauryl alcohol, isotridecyl alcohol, myristyl alcohol, cetyl alcohol, palmoleyl alcohol, stearyl alcohol, oleyl alcohol, isostyl alcohol , Petroselinyl alcohol, linolyl alcohol, linolenyl alcohol, elaeostearyl alcohol, arachyl alcohol, gadoleyl alcohol, behenyl alcohol, erucyl alcohol and brassidyl alcohol and their technical mixtures. Addition products of 3, 5 or 7 moles of ethylene oxide onto technical coconut oil alcohols are particularly preferred.
• Suitable alkoxylated fatty acid lower alkyl esters are surfactants of the formula (VI) R 7 CO- (OCH 2 CHR 8 ) n2 OR 9 (VI) in which R 7 CO is a linear or branched, saturated and / or unsaturated acyl radical having 6 to 22 carbon atoms, R 8 is hydrogen or methyl, R 9 is a linear or branched alkyl radical having 1 to 4 carbon atoms and n2 is a number from 1 to 20 stands.
• Typical examples are the formal insert products of an average of 1 to 20 and preferably 5 to 10 moles of ethylene and / or propylene oxide in the methyl, ethyl, propyl, isopropyl, butyl and tert-butyl esters of caproic acid, caprylic acid, 2 -Ethylhexanoic acid, capric acid, lauric acid, isotridecanoic acid, myristic acid, palmitic acid, palmoleic acid, stearic acid, isostearic acid, oleic acid, elaidic acid, petroselinic acid, linoleic acid, linolenic acid, elaeostearic acid, arachidic acid, gadoleic acid, behenic acid, and technical grade mixtures and erucas.
• the products are usually prepared by inserting the alkylene oxides into the carbonyl ester bond in the presence of special catalysts, such as, for example, calcined hydrotalcite. Conversion products of an average of 5 to 10 moles of ethylene oxide into the ester linkage of technical coconut fatty acid methyl esters are particularly preferred.
• Fatty acid N-alkyl polyhydroxyalkylamides are nonionic surfactants which follow the formula (VII) in which R 10 CO stands for an aliphatic acyl radical with 6 to 22 carbon atoms, R 11 for an alkyl or hydroxyalkyl radical with 1 to 4 carbon atoms and [Z] for a linear or branched polyhydroxyalkyl radical with 3 to 12 carbon atoms and 3 to 10 hydroxyl groups.
• the fatty acid N-alkylpolyhydroxyalkylamides are preferably derived from reducing sugars having 5 or 6 carbon atoms, in particular from glucose.
• the preferred fatty acid N-alkyl-poly-hydroxyalkylamides are therefore fatty acid-N-alkylglucamides.
• Glucamides of the formula (VII) are preferably used as the fatty acid N-alkylpolyhydroxyalkylamides in which R 3 is an alkyl group and R 10 CO is the Acyl residue of caproic acid, caprylic acid, capric acid, lauric acid, myristic acid, palmitic acid, palmoleic acid, stearic acid, isostearic acid, oleic acid, elaidic acid, petroselinic acid, linoleic acid, linolenic acid, arachic acid, gadoleic acid, behenic acid or erucic acid or their technical mixtures.
• Fatty acid N-alkylglucamides of the formula (VII) which are obtained by reductive amination of glucose with methylamine and subsequent acylation with lauric acid or C 12/14 coconut fatty acid or a corresponding derivative are particularly preferred.
• the polyhydroxyalkylamides can also be derived from maltose and palatinose.
• cationic surfactants are, in particular, tetraalkylammonium compounds, such as, for example, dimethyldistearylammonium chloride or hydroxyethyl hydroxycetyldimmonium chloride (Dehyquart® E) or esterquats.
• tetraalkylammonium compounds such as, for example, dimethyldistearylammonium chloride or hydroxyethyl hydroxycetyldimmonium chloride (Dehyquart® E) or esterquats.
• VIII quaternized fatty acid triethanolamine ester salts of the formula (VIII), in which R 14 CO represents an acyl radical with 6 to 22 carbon atoms, R 15 and R 16 independently of one another for hydrogen or R 14 CO, R 15 represents an alkyl radical with 1 to 4 carbon atoms or a (CH 2 CH 2 O) m4 H- Group, m1, m2 and m3 in total for 0 or numbers
• ester quats which can be used in the context of the invention are products based on caproic acid, caprylic acid, capric acid, lauric acid, myristic acid, palmitic acid, isostearic acid, stearic acid, oleic acid, elaidic acid, arachic acid, behenic acid and erucic acid and their technical mixtures, such as they occur, for example, in the pressure splitting of natural fats and oils.
• Technical C 12/18 coconut fatty acids and in particular partially hardened C 16/18 tallow or palm fatty acids as well as high elaidic acid C 16/18 fatty acid cuts are preferably used.
• the fatty acids and the triethanolamine can be used in a molar ratio of 1.1: 1 to 3: 1 to produce the quaternized esters.
• an application ratio of 1.2: 1 to 2.2: 1, preferably 1.5: 1 to 1.9: 1 has proven to be particularly advantageous.
• the preferred esterquats are technical mixtures of mono-, di- and triesters with an average degree of esterification of 1.5 to 1.9 and are derived from technical C 16/18 - tallow or palm fatty acid (iodine number 0 to 40).
• quaternized fatty acid triethanolamine ester salts of the formula (VIII) have proven to be particularly advantageous in which R 14 CO for an acyl radical having 16 to 18 carbon atoms, R 15 for R 15 CO, R 16 for hydrogen, R 17 for a methyl group, m1 , m2 and m3 stands for 0 and Y for methyl sulfate.
• quaternized ester salts of fatty acids with diethanolalkylamines of the formula (IX) may also be used as ester quats.
• R 18 CO for an acyl radical with 6 to 22 carbon atoms
• R 19 for hydrogen or R 18 CO
• R 20 and R 21 independently of one another for alkyl radicals with 1 to 4 carbon atoms
• m5 and m6 in total for 0 or numbers from 1 to 12
• Y again represents halide, alkyl sulfate or alkyl phosphate.
• ester salts of fatty acids with 1,2-dihydroxypropyl dialkylamines of the formula (X) should be mentioned as a further group of suitable ester quats, in which R 22 CO for an acyl radical with 6 to 22 carbon atoms, R 23 for hydrogen or R 22 CO, R 24 , R 25 and R 26 independently of one another for alkyl radicals with 1 to 4 carbon atoms, m7 and m8 in total for 0 or numbers from 1 to 12 and X again represents halide, alkyl sulfate or alkyl phosphate.
• suitable ester quats are substances in which the ester bond is replaced by an amide bond and which preferably follow the formula (XI) based on diethylenetriamine, in which R 27 CO represents an acyl radical with 6 to 22 carbon atoms, R 28 for hydrogen or R 27 CO, R 29 and R 30 independently of one another for alkyl radicals with 1 to 4 carbon atoms and Y again for halide, alkyl sulfate or alkyl phosphate.
• Such amide ester quats are available on the market, for example, under the Incroquat® (Croda) brand.
• alkyl betaines examples include alkyl betaines, alkyl amido betaines, aminopropionates, aminoglycinates, imidazolinium betaines and sulfobetaines.
• alkyl betaines are the carboxyalkylation products of secondary and in particular tertiary amines which follow the formula (XII) in which R 31 for alkyl and / or alkenyl radicals with 6 to 22 carbon atoms, R 32 for hydrogen or alkyl radicals with 1 to 4 carbon atoms, R 33 for alkyl radicals with 1 to 4 carbon atoms, q1 for numbers from 1 to 6 and Z for a Alkali and / or alkaline earth metal or ammonium.
• Typical examples are the carboxymethylation products of hexylmethylamine, hexyldimethylamine, octyldimethylamine, decyldimethylamine, dodecylmethylamine, dodecyldimethylamine, Dodecylethylmethylamin, C 12/14 -Kokosalkyldimethylamin, myristyldimethylamine, cetyldimethylamine, stearyldimethylamine, stearyl, oleyl, C 16/18 tallow alkyl dimethyl amine and technical mixtures thereof.
• Carboxyalkylation products of amidoamines which follow the formula (XIII) are also suitable, in which R 34 CO for an aliphatic acyl radical with 6 to 22 carbon atoms and 0 or 1 to 3 double bonds, R 35 for hydrogen or alkyl radicals with 1 to 4 carbon atoms, R 36 for alkyl radicals with 1 to 4 carbon atoms, q2 for numbers from 1 to 6, q3 for numbers from 1 to 3 and Z again represents an alkali and / or alkaline earth metal or ammonium.
• Typical examples are reaction products of fatty acids with 6 to 22 carbon atoms, namely caproic acid, caprylic acid, capric acid, lauric acid, myristic acid, palmitic acid, palmoleic acid, stearic acid, isostearic acid, oleic acid, elaidic acid, petroselinic acid, linoleic acid, linolenic acid, elaeostearic acid, gadoleic acid and arachic acid, arachic acid and their technical mixtures, with N, N-dimethylaminoethylamine, N, N-dimethylaminopropylamine, N, N-diethylaminoethylamine and N, N-diethylamino propylamine, which are condensed with sodium chloroacetate. It is preferred to use a condensation product of C 8/18 coconut fatty acid N, N-dimethylaminopropylamide with sodium chloroacetate.
• Imidazolinium betaines are also suitable. These substances are also known substances which can be obtained, for example, by cyclizing condensation of 1 or 2 moles of fatty acid with polyhydric amines such as, for example, aminoethylethanolamine (AEEA) or diethylene triamine.
• polyhydric amines such as, for example, aminoethylethanolamine (AEEA) or diethylene triamine.
• AEEA aminoethylethanolamine
• the corresponding carboxyalkylation products are mixtures of different open-chain betaines.
• Typical examples are condensation products of the above-mentioned fatty acids with AEEA, preferably imidazolines based on lauric acid or again C 12/14 coconut fatty acid, which are subsequently betainized with sodium chloroacetate.
• the washing, rinsing, cleaning and finishing agents according to the invention can furthermore additional inorganic and organic builder substances, for example in amounts of 10 to 50 and preferably 15 to 35 wt .-% - based on the agent - contain, as inorganic builder substances mainly zeolites crystalline layered silicates, amorphous Silicates and - if permissible - also phosphates, e.g. Tripolyphosphate are used.
• the amount of co-builder is to be counted against the preferred amounts of phosphates.
• the fine crystalline, synthetic and bound water-containing zeolite which is frequently used as a detergent builder is preferably zeolite A and / or P.
• zeolite P for example, zeolite MAP (R) (commercial product from Crosfield) is particularly preferred.
• zeolite X and mixtures of A, X and / or P as well as Y are also suitable.
• zeolite X and mixtures of A, X and / or P as well as Y are also suitable.
• zeolite X and mixtures of A, X and / or P as well as Y are also suitable.
• VEGOBOND AX® commercial product from Condea Augusta SpA
• the zeolite can be used as a spray-dried powder or as an undried stabilized suspension that is still moist from its manufacture.
• the zeolite in the event that the zeolite is used as a suspension, it can contain minor additions of nonionic surfactants as stabilizers, for example 1 to 3% by weight, based on zeolite, of ethoxylated C 12 -C 18 fatty alcohols with 2 to 5 ethylene oxide groups , C 12 -C 14 fatty alcohols with 4 to 5 ethylene oxide groups or ethoxylated isotridecanols.
• Suitable zeolites have an average particle size of less than 10 ⁇ m (volume distribution; measurement method: Coulter Counter) and preferably contain 18 to 22% by weight, in particular 20 to 22% by weight, of bound water.
• Suitable substitutes or partial substitutes for phosphates and zeolites are crystalline, layered sodium silicates of the general formula NaMSi x O 2x + 1 .yH 2 O, where M is sodium or hydrogen, x is a number from 1.9 to 4 and y is a number from 0 to 20 and preferred values for x are 2, 3 or 4.
• Such crystalline layered silicates are described, for example, in European patent application EP 0164514 A1 .
• Preferred crystalline layered silicates of the formula given are those in which M represents sodium and x assumes the values 2 or 3.
• both ⁇ - and ⁇ -sodium disilicate Na 2 Si 2 O 5 .yH 2 O are preferred, with ⁇ -sodium disilicate being able to be obtained, for example, by the method described in international patent application WO 91/08171 .
• Further suitable layered silicates are known, for example, from patent applications DE 2334899 A1, EP 0026529 A1 and DE 3526405 A1 . Their usability is not limited to a special composition or structural formula. However, smectites, in particular bentonites, are preferred here.
• small amounts of iron can be incorporated into the crystal lattice of the layered silicates according to the formulas above.
• the layered silicates can contain hydrogen, alkali, alkaline earth ions, in particular Na + and Ca 2+ .
• the amount of water of hydration is usually in the range of 8 to 20% by weight and depends on the swelling condition or the type of processing.
• Useful sheet silicates are known, for example, from US 3,966,629, US 4,062,647, EP 0026529 A1 and EP 0028432 A1 .
• Layered silicates are preferably used which are largely free of calcium ions and strongly coloring iron ions due to an alkali treatment.
• the preferred builder substances also include amorphous sodium silicates with a modulus Na 2 O: SiO 2 from 1: 2 to 1: 3.3, preferably from 1: 2 to 1: 2.8 and in particular from 1: 2 to 1: 2, 6, which are delayed release and have secondary washing properties.
• the delay in dissolution compared to conventional amorphous sodium silicates can be caused in various ways, for example by surface treatment, compounding, compacting / compression or by overdrying.
• the term “amorphous” is also understood to mean “X-ray amorphous”.
• silicates in X-ray diffraction experiments do not provide sharp X-ray reflections, as are typical for crystalline substances, but at most one or more maxima of the scattered X-rays, which have a width of several degree units of the diffraction angle.
• it can very well lead to particularly good builder properties if the silicate particles deliver washed-out or even sharp diffraction maxima in electron diffraction experiments. This is to be interpreted as meaning that the products have microcrystalline areas of size 10 to a few hundred nm, values up to max. 50 nm and in particular up to max. 20 nm are preferred.
• Such so-called X-ray amorphous silicates which also have a delay in dissolution compared to conventional water glasses, are described, for example, in German patent application DE 4400024 A1 .
• Compacted / compacted amorphous silicates, compounded amorphous silicates and over-dried X-ray amorphous silicates are particularly preferred.
• the generally known phosphates are also used as builder substances possible if such use is not avoided for ecological reasons should be.
• the sodium salts of the orthophosphates are particularly suitable, the pyrophosphates and especially the tripolyphosphates.
• Her salary is in generally not more than 25% by weight, preferably not more than 20% by weight, each based on the finished product. In some cases, it has been shown that in particular Tripolyphosphates even in small amounts up to a maximum of 10% by weight, based on the finished agent, in combination with other builder substances to a synergistic Improve secondary washing ability.
• Examples of usable organic builders that can be used as co-builders are the polycarboxylic acids which can be used in the form of their sodium salts, such as citric acid, Adipic acid, succinic acid, glutaric acid, tartaric acid, sugar acids, aminocarboxylic acids, Nitrilotriacetic acid (NTA), provided that such use from ecological Reasons is not objectionable, as well as mixtures of these.
• Preferred salts are the salts of polycarboxylic acids such as citric acid, adipic acid, succinic acid, glutaric acid, Tartaric acid, sugar acids and mixtures of these. The acids themselves can be used.
• the acids typically have also the property of an acidifying component and thus also serve for adjustment a lower and milder pH value of detergents or cleaning agents.
• an acidifying component typically be used for adjustment a lower and milder pH value of detergents or cleaning agents.
• citric acid, succinic acid, glutaric acid, adipic acid, gluconic acid and to name any mixtures of these.
• Suitable organic builder substances are dextrins, for example oligomers or polymers of carbohydrates, which can be obtained by partial hydrolysis of starches.
• the hydrolysis can be carried out by customary processes, for example acid-catalyzed or enzyme-catalyzed. They are preferably hydrolysis products with average molar masses in the range from 400 to 500,000.
• DE dextrose equivalent
• Both maltodextrins with a DE between 3 and 20 and dry glucose syrups with a DE between 20 and 37 as well as so-called yellow dextrins and white dextrins with higher molar masses in the range from 2,000 to 30,000 can be used.
• a preferred dextrin is described in British patent application GB 9419091 A1 ,
• the oxidized derivatives of such dextrins are their reaction products with oxidizing agents which are capable of oxidizing at least one alcohol function of the saccharide ring to the carboxylic acid function.
• Such oxidized dextrins and processes for their preparation are known, for example, from European patent applications EP 0232202 A1, EP 0427349 A1, EP 0472042 A1 and EP 0542496 A1 as well as from international patent applications WO 92/18542, WO 93/08251, WO 93/16110, WO 94 / 28030, WO 95/07303, WO 95/12619 and WO 95/20608 are known.
• An oxidized oligosaccharide according to German patent application DE 19600018 A1 is also suitable .
• a product oxidized at C 6 of the saccharide ring can be particularly advantageous.
• Suitable cobuilders are oxydisuccinates and other derivatives of disuccinates, preferably ethylenediamine disuccinate. Also particularly preferred in this context are glycerol disuccinates and glycerol trisuccinates , as described, for example, in US Pat. Nos. 4,524,009, 4,639,325, in European patent application EP 0150930 A1 and in Japanese patent application JP 93/339896 . Suitable amounts for use in zeolite-containing and / or silicate-containing formulations are from 3 to 15% by weight.
• organic cobuilders are, for example, acetylated hydroxycarboxylic acids or salts thereof, which may optionally also be in lactone form and which have at least 4 carbon atoms and at least one hydroxyl group and a maximum contain two acid groups.
• Such cobuilders are described, for example, in international patent application WO 95/20029 .
• Suitable polymeric polycarboxylates are, for example, the sodium salts of polyacrylic acid or polymethacrylic acid, for example those with a relative molecular weight of 800 to 150,000 (based on acid and measured in each case against polystyrene sulfonic acid).
• Suitable copolymeric polycarboxylates are, in particular, those of acrylic acid with methacrylic acid and of acrylic acid or methacrylic acid with maleic acid. Copolymers of acrylic acid with maleic acid which contain 50 to 90% by weight of acrylic acid and 50 to 10% by weight of maleic acid have proven to be particularly suitable.
• the relative molecular weight, based on free acids, is generally 5,000 to 200,000, preferably 10,000 to 120,000 and in particular 50,000 to 100,000 (measured in each case against polystyrene sulfonic acid).
• the (co) polymeric polycarboxylates can be used either as a powder or as an aqueous solution, with 20 to 55% by weight aqueous solutions being preferred.
• Granular polymers are usually subsequently mixed into one or more basic granules.
• biodegradable polymers composed of more than two different monomer units, for example those which, according to DE 4300772 A1, are salts of acrylic acid and maleic acid as well as vinyl alcohol or vinyl alcohol derivatives or DE 4221381 C2 as monomer salts of acrylic acid and the 2-alkylallylsulfonic acid and sugar derivatives.
• Further preferred copolymers are those which are described in German patent applications DE 4303320 A1 and DE 4417734 A1 and which preferably have acrolein and acrylic acid / acrylic acid salts or acrolein and vinyl acetate as monomers.
• polymeric aminodicarboxylic acids are also to be mentioned as further preferred builder substances. Polyaspartic acids or their salts and derivatives are particularly preferred.
• polyacetals which can be obtained by reacting dialdehydes with polyolcarboxylic acids which have 5 to 7 carbon atoms and at least 3 hydroxyl groups, for example as described in European patent application EP 0280223 A1 .
• Preferred polyacetals are obtained from dialdehydes such as glyoxal, glutaraldehyde, terephthalaldehyde and their mixtures and from polyol carboxylic acids such as gluconic acid and / or glucoheptonic acid.
• the agents can also contain components that make the oil and fat washable made of textiles.
• the preferred oil and fat dissolving Components include, for example, nonionic cellulose ethers such as methyl cellulose and Methyl hydroxypropyl cellulose with a proportion of methoxyl groups of 15 to 30% by weight and on hydroxypropoxyl groups from 1 to 15% by weight, based in each case on the nonionic Cellulose ether, as well as the polymers of phthalic acid known from the prior art and / or terephthalic acid or its derivatives, in particular polymers Ethylene terephthalates and / or polyethylene glycol terephthalates or anionic and / or nonionically modified derivatives of these. Of these, the are particularly preferred sulfonated derivatives of phthalic acid and terephthalic acid polymers.
• bleaching agents that can be used are, for example, sodium percarbonate, peroxypyrophosphates, citrate perhydrates and H 2 O 2 -supplying peracidic salts or peracids, such as perbenzoates, peroxophthalates, diperazelaic acid, phthaloiminoperic acid or diperdodecanedioic acid.
• the bleaching agent content of the agents is preferably 5 to 35% by weight and in particular up to 30% by weight, advantageously using perborate monohydrate or percarbonate.
• Bleach activators which can be used are compounds which, under perhydrolysis conditions, give aliphatic peroxocarboxylic acids having preferably 1 to 10 C atoms, in particular 2 to 4 C atoms, and / or optionally substituted perbenzoic acid. Suitable substances are those which carry O- and / or N-acyl groups of the number of carbon atoms mentioned and / or optionally substituted benzoyl groups.
• Multi-acylated alkylenediamines in particular tetraacetylethylenediamine (TAED), acylated triazine derivatives, in particular 1,5-diacetyl-2,4-dioxohexahydro-1,3,5-triazine (DADHT), acylated glycolurils, in particular tetraacetylglycoluril (TAGU), N- Acylimides, especially N-nonanoylsuccinimide (NOSI), acylated phenolsulfonates, especially n-nonanoyl- or isononanoyloxybenzenesulfonate (n- or iso-NOBS), carboxylic acid anhydrides, especially phthalic anhydride, acylated polyhydric alcohols, especially triacetyloxy, 2,5-acetiacetyl, ethylene glycol 2,5-dihydrofuran and the enol esters known from German patent applications
• hydrophilically substituted acylacetals known from German patent application DE 19616769 A1 and the acyl lactams described in German patent application DE 196 16 770 and international patent application WO 95/14075 are also preferably used.
• the combinations of conventional bleach activators known from German patent application DE 4443177 A1 can also be used. Bleach activators of this type are present in the customary quantitative range, preferably in amounts of 1% by weight to 10% by weight, in particular 2% by weight to 8% by weight, based on the total agent.
• the sulfonimines and / or bleach-enhancing transition metal salts or transition metal complexes known from European patents EP 0446982 B1 and EP 0453 003 B1 can also be present as so-called bleaching catalysts.
• the transition metal compounds in question include in particular the manganese, iron, cobalt, ruthenium or molybdenum-salt complexes known from German patent application DE 19529905 A1 and their N-analog compounds known from German patent application DE 19620267 A1 , which are known from German Patent application DE 19536082 A1 known manganese, iron, cobalt, ruthenium or molybdenum carbonyl complexes, the manganese, iron, cobalt, ruthenium, molybdenum, titanium, vanadium, described in German patent application DE 19605688 A1 and copper complexes with nitrogen-containing tripod ligands that from German patent application DE known cobalt 19620411 A1, iron-, copper- and ruthenium-ammine complexes, the manganese, copper described in the German patent application DE 4416438 A1 and cobalt complexes , the cobalt complexes described in European patent application EP 0272030 A1, which are known from the European patent application EP 0693550 A1 manga
• Bleach-enhancing transition metal complexes in particular with the central atoms Mn, Fe, Co, Cu, Mo, V, Ti and / or Ru, are used in customary amounts, preferably in an amount of up to 1% by weight, in particular 0.0025% by weight. % to 0.25% by weight and particularly preferably from 0.01% by weight to 0.1% by weight, in each case based on the total agent.
• hydrolases such as proteases, Esterases, lipases or lipolytic enzymes, amylases, cellulases or others Glycosyl hydrolases and mixtures of the enzymes mentioned in question. All of these hydrolases contribute to the removal of stains in the laundry, such as those containing protein, fat or starch Stains, and graying. Cellulases and other glycos
• Bacterial strains are particularly suitable or fungi such as Bacillus subtilis, Bacillus licheniformis, Streptomyces griseus and Humicola insolens obtained enzymatic agents.
• Proteases are preferred of the subtilisin type and in particular proteases obtained from Bacillus lentus, used.
• Enzyme mixtures for example of protease and amylase or Protease and lipase or lipolytic enzymes or protease and cellulase or from cellulase and lipase or lipolytically active enzymes or from protease, amylase and lipase or lipolytic enzymes or protease, lipase or lipolytic Enzymes and cellulase, but especially protease and / or lipase-containing mixtures or mixtures with lipolytically active enzymes of particular interest.
• Known cutinases are examples of such lipolytically active enzymes.
• Peroxidases too or oxidases have been found to be suitable in some cases.
• Amylases include in particular ⁇ -amylases, iso-amylases, pullulanases and pectinases.
• Cellobiohydrolases, endoglucanases and ⁇ -glucosidases are preferably used as cellulases, which are also called cellobiases, or mixtures of these are used. Because the different cellulase types are characterized by their CMCase and Avicelase activities can differentiate, by targeted mixtures of the cellulases the desired activities can be set.
• the enzymes can be adsorbed on carrier substances and / or in coating substances embedded to protect them against premature decomposition.
• the share of Enzymes, enzyme mixtures or enzyme granules can, for example, about 0.1 to 5 wt .-%, preferably 0.1 to about 2% by weight.
• the agents can contain further enzyme stabilizers.
• enzyme stabilizers For example, 0.5 to 1% by weight sodium formate can be used. It is also possible to use proteases which are stabilized with soluble calcium salts and a calcium content of preferably about 1.2% by weight, based on the enzyme.
• calcium salts magnesium salts also serve as stabilizers.
• boron compounds for example boric acid, boron oxide, borax and other alkali metal borates, such as the salts of orthoboric acid (H 3 BO 3 ), metaboric acid (HBO 2 ) and pyrobic acid (tetraboric acid H 2 B 4 O 7 ), is particularly advantageous.
• Graying inhibitors have the task of removing the dirt detached from the fiber in the Keep the liquor suspended and thus prevent the dirt from re-opening.
• Water-soluble colloids of mostly organic nature are suitable for this purpose, for example the water-soluble salts of polymeric carboxylic acids, glue, gelatin, salts of ether carboxylic acids or ether sulfonic acids of starch or cellulose or salts of acidic sulfuric acid esters cellulose or starch. Also water-soluble containing acidic groups Polyamides are suitable for this purpose. Soluble starch preparations can also be used and use starch products other than the above, e.g. degraded starch, aldehyde starches etc. Polyvinylpyrrolidone can also be used.
• cellulose ethers are preferred, such as carboxymethyl cellulose (Na salt), methyl cellulose, hydroxyalkyl cellulose and mixed ethers such as methylhydroxyethyl cellulose, methyl hydroxypropyl cellulose, methyl carboxymethyl cellulose and their mixtures, and polyvinylpyrrolidone, for example in quantities from 0.1 to 5% by weight, based on the composition.
• the agents can contain derivatives of diaminostilbenedisulfonic acid or its alkali metal salts. Suitable are, for example, salts of 4,4'-bis (2-anilino-4-morpholino-1,3,5-triazinyl-6-amino) stilbene-2,2'-disulfonic acid or compounds of similar structure which instead of the morpholino- Group carry a diethanolamino group, a methylamino group, anilino group or a 2-methoxyethylamino group.
• Brighteners of the substituted diphenylstyryl type may also be present, for example the alkali salts of 4,4'-bis (2-sulfostyryl) diphenyl, 4,4'-bis (4-chloro-3-sulfostyryl) diphenyl, or 4- (4-chlorostyryl) -4 '- (2-sulfostyryl). Mixtures of the aforementioned brighteners can also be used.
• Uniformly white granules are obtained if, in addition to the usual brighteners, the agents are present in customary amounts, for example between 0.1 and 0.5% by weight, preferably between 0.1 and 0.3% by weight, and also in small amounts, for example Contain 10 -6 to 10 -3 wt .-%, preferably by 10 -5 wt .-%, of a blue dye.
• a particularly preferred dye is Tinolux® (commercial product from Ciba-Geigy).
• Suitable soil-repellants are substances which preferably Contain ethylene terephthalate and / or polyethylene glycol terephthalate groups, wherein the molar ratio of ethylene terephthalate to polyethylene glycol terephthalate is in the range of 50: 50 to 90: 10 can be.
• the molecular weight of the linking polyethylene glycol units is in particular in the range from 750 to 5000, i.e. the degree of ethoxylation of the Polymers containing polyethylene glycol groups can be approximately 15 to 100.
• the polymers are characterized by an average molecular weight of approximately 5000 to 200,000 and can have a block structure, but preferably a random structure.
• preferred Polymers are those with molar ratios of ethylene terephthalate / polyethylene glycol terephthalate from about 65:35 to about 90:10, preferably from about 70:30 to 80:20 preferred are those polymers which link polyethylene glycol units with a Molecular weight from 750 to 5000, preferably from 1000 to about 3000 and a molecular weight of the polymer from about 10,000 to about 50,000.
• Examples of commercially available Polymers are the products Milease® T (ICI) or Repelotex® SRP 3 (Rhône-Poulenc).
• Wax-like compounds can be used as defoamers.
• “waxy” are understood to mean those compounds which have a melting point at atmospheric pressure above 25 ° C (room temperature), preferably above 50 ° C and in particular above 70 ° C.
• the waxy defoamer substances are practically insoluble in water, i.e. at 20 ° C they have a solubility of less than 0.1% by weight in 100 g of water.
• Suitable waxy compounds are, for example, bisamides, fatty alcohols, Fatty acids, carboxylic acid esters of mono- and polyhydric alcohols and paraffin waxes or mixtures thereof. Alternatively, of course, those known for this purpose can also be used Silicone compounds are used.
• Suitable paraffin waxes are generally a complex mixture of substances without a sharp melting point. For characterization, one usually determines its melting range by differential thermal analysis (DTA), as described in "The Analyst” 87 (1962), 420 , and / or its solidification point , This is the temperature at which the paraffin changes from the liquid to the solid state by slow cooling. Paraffins which are completely liquid at room temperature, that is to say those having a solidification point below 25 ° C., cannot be used according to the invention.
• the soft waxes which have a melting point in the range from 35 to 50 ° C., preferably include the group of petrolates and their hydrogenation products.
• solid hydrocarbons with melting points between 63 and 79 ° C which are separated from the highly viscous, paraffin-containing lubricating oil distillates during the dewaxing.
• These petrolates are mixtures of microcrystalline waxes and high-melting n-paraffins.
• the paraffin wax mixtures known from EP 0309931 A1 of, for example, 26% by weight to 49% by weight of microcrystalline paraffin wax with a solidification point of 62 ° C.
• paraffin waxes which can be used according to the invention, this liquid fraction is as low as possible and is preferably absent entirely.
• Particularly preferred paraffin wax mixtures at 30 ° C have a liquid content of less than 10% by weight, in particular from 2% by weight to 5% by weight, at 40 ° C a liquid content of less than 30% by weight, preferably 5 % By weight to 25% by weight and in particular from 5% by weight to 15% by weight, at 60 ° C. a liquid fraction of 30% by weight to 60% by weight, in particular 40% by weight % to 55% by weight, at 80 ° C a liquid content of 80% by weight to 100% by weight, and at 90 ° C a liquid content of 100% by weight.
• the temperature at which a liquid content of 100% by weight of the paraffin wax is reached is still below 85 ° C. in particularly preferred paraffin wax mixtures, in particular at 75 ° C. to 82 ° C.
• the paraffin waxes can be petrolatum, microcrystalline waxes or hydrogenated or partially hydrogenated paraffin waxes.
• Suitable bisamides as defoamers are those that differ from saturated fatty acids 12 to 22, preferably 14 to 18 carbon atoms and alkylene diamines with 2 to 7 carbon atoms derived.
• Suitable fatty acids are lauric, myristic, stearic, arachine and Behenic acid and mixtures thereof, such as those obtained from natural fats or hardened Oils such as tallow or hydrogenated palm oil are available.
• Suitable diamines are for example ethylene diamine, 1,3-propylene diamine, tetramethylene diamine, pentamethylene diamine, Hexamethylenediamine, p-phenylenediamine and toluenediamine.
• preferred Diamines are ethylenediamine and hexamethylenediamine.
• Particularly preferred bisamides are bismyristoylethylenediamine, bispalmitoylethylenediamine, bisstearoylethylenediamine and their mixtures and the corresponding derivatives of hexamethylened
• Suitable carboxylic acid esters as defoamers are derived from carboxylic acids with 12 to 28 carbon atoms.
• these are esters of behenic acid, stearic acid, hydroxystearic acid, oleic acid, palmitic acid, myristic acid and / or lauric acid.
• the alcohol part of the carboxylic acid ester contains a mono- or polyhydric alcohol with 1 to 28 carbon atoms in the hydrocarbon chain.
• suitable alcohols are behenyl alcohol, arachidyl alcohol, coconut alcohol, 12-hydroxystearyl alcohol, oleyl alcohol and lauryl alcohol as well as ethylene glycol, glycerin, polyvinyl alcohol, sucrose, erythritol, pentaerythritol, sorbitan and / or sorbitol.
• Preferred esters are those of ethylene glycol, glycerol and sorbitan, the acid part of the ester being selected in particular from behenic acid, stearic acid, oleic acid, palmitic acid or myristic acid.
• Suitable esters of polyvalent alcohols include xylitol monopalmitate, Pentarythritmonostearat, glycerol monostearate, ethylene glycol and sorbitan, sorbitan, sorbitan Sorbitandilaurat, sorbitan, sorbitan dioleate, and also mixed tallowalkyl and diesters.
• Glycerol esters which can be used are the mono-, di- or triesters of glycerol and the carboxylic acids mentioned, the mono- or diesters being preferred.
• Glycerol monostearate, glycerol monooleate, glycerol monopalmitate, glycerol monobehenate and glycerol distearate are examples of this.
• suitable natural esters as defoamers are beeswax, which mainly consists of the esters CH 3 (CH 2 ) 24 COO (CH 2 ) 27 CH 3 and CH 3 (CH 2 ) 26 COO (CH 2 ) 25 CH 3
• carnauba wax which is a mixture of carnauba acid alkyl esters, often in combination with small amounts of free carnauba acid, other long-chain acids, high-molecular alcohols and hydrocarbons.
• Suitable carboxylic acids as a further defoamer compound are, in particular, behenic acid, Stearic acid, oleic acid, palmitic acid, myristic acid and lauric acid and their Mixtures such as those obtained from natural fats or possibly hardened oils, such as tallow or hydrogenated palm oil are available.
• Saturated fatty acids with 12 to are preferred 22, in particular 18 to 22 carbon atoms.
• the corresponding Fatty alcohols of the same C chain length can be used.
• fatty ethers can also be present as defoamers.
• the ethers can be constructed asymmetrically or symmetrically, ie contain two identical or different alkyl chains, preferably with 8 to 18 carbon atoms. Typical examples are di-n-octyl ether, di-i-octyl ether and di-n-stearyl ether; dialkyl ethers which have a melting point above 25 ° C., in particular above 40 ° C., are particularly suitable.
• Other suitable defoamer compounds are fatty ketones, which can be obtained by the relevant methods of preparative organic chemistry. For their preparation, one starts, for example, from carboxylic acid magnesium salts which are pyrolyzed at temperatures above 300 ° C.
• Suitable fat ketones are those which are prepared by pyrolysis of the magnesium salts of lauric acid, myristic acid, palmitic acid, palmitoleic acid, stearic acid, oleic acid, elaidic acid, petroselinic acid, arachic acid, gadoleic acid, behenic acid or erucic acid.
• Suitable defoamers are fatty acid polyethylene glycol esters, which are preferred obtained by basic homogeneously catalyzed addition of ethylene oxide to fatty acids become.
• the addition of ethylene oxide to the fatty acids takes place in the presence of alkanolamines as catalysts.
• alkanolamines especially Triethanolamine, leads to an extremely selective ethoxylation of the fatty acids, in particular when it comes to producing low ethoxylated compounds.
• the paraffin waxes described are particularly preferably used alone as wax-like defoamers or in a mixture with one of the other wax-like defoamers, the proportion of paraffin waxes in the mixture preferably making up more than 50% by weight, based on the wax-like defoamer mixture.
• the paraffin waxes can be applied to carriers (“beads”). All known inorganic and / or organic carrier materials are suitable as carrier materials.
• Examples of typical inorganic carrier materials are alkali carbonates, aluminosilicates, water-soluble sheet silicates, alkali silicates, alkali sulfates, for example sodium sulfate, and alkali phosphates.
• the alkali silicates are preferably a compound with a molar ratio of alkali oxide to SiO 2 of 1: 1.5 to 1: 3.5. The use of such silicates results in particularly good grain properties, in particular high abrasion stability and nevertheless high dissolution rate in water.
• the aluminosilicates referred to as carrier material include, in particular, the zeolites, for example zeolite NaA and NaX.
• the compounds referred to as water-soluble layered silicates include, for example, amorphous or crystalline water glass.
• Silicates which are commercially available under the name Aerosil® or Sipernat® can also be used.
• suitable organic carrier materials are film-forming polymers, for example polyvinyl alcohols, polyvinyl pyrrolidones, poly (meth) acrylates, polycarboxylates, cellulose derivatives and starch.
• Usable cellulose ethers are, in particular, alkali carboxymethyl cellulose, methyl cellulose, ethyl cellulose, hydroxyethyl cellulose and so-called cellulose mixed ethers, such as, for example, methyl hydroxyethyl cellulose and methyl hydroxypropyl cellulose, and mixtures thereof.
• Particularly suitable mixtures are composed of sodium carboxymethyl cellulose and methyl cellulose, the carboxymethyl cellulose usually having a degree of substitution of 0.5 to 0.8 carboxymethyl groups per anhydroglucose unit and the methyl cellulose having a degree of substitution of 1.2 to 2 methyl groups per anhydroglucose unit.
• the mixtures preferably contain alkali carboxymethyl cellulose and nonionic cellulose ethers in weight ratios from 80:20 to 40:60, in particular from 75:25 to 50:50.
• native starch which is composed of amylose and amylopectin.
• Starch is referred to as native starch as it is available as an extract from natural sources, for example from rice, potatoes, corn and wheat. Native starch is a commercially available product and is therefore easily accessible.
• Carrier materials which can be used individually or more than one of the abovementioned compounds, in particular selected from the group of alkali metal carbonates, alkali metal sulfates, alkali metal phosphates, zeolites, water-soluble layer silicates, alkali metal silicates, polycarboxylates, cellulose ethers, polyacrylate / polymethacrylate and starch.
• alkali carbonates in particular sodium carbonate, alkali silicates, in particular sodium silicate, alkali sulfates, in particular sodium sulfate and zeolites are particularly suitable.
• Suitable silicones are conventional organopolysiloxanes, which can have a content of finely divided silica, which in turn can also be silanized. Such organopolysiloxanes are described, for example, in European patent application EP 0496510 A1 . Polydiorganosiloxanes and in particular polydimethylsiloxanes, which are known from the prior art, are particularly preferred. Suitable polydiorganosiloxanes have an almost linear chain and have a degree of oligomerization of 40 to 1500. Examples of suitable substituents are methyl, ethyl, propyl, isobutyl, tert. Butyl and phenyl.
• silicones in general and the polydiorganosiloxanes in particular contain finely divided silica, which can also be silanated.
• Silicic acid-containing dimethylpolysiloxanes are particularly suitable for the purposes of the present invention.
• the polydiorganosiloxanes advantageously have a Brookfield viscosity at 25 ° C.
• silicones in the range from 5000 mPas to 30,000 mPas, in particular from 15,000 to 25,000 mPas.
• the silicones are preferably used in the form of their aqueous emulsions. As a rule, the silicone is added to the water presented with stirring. If desired, thickeners such as are known from the prior art can be added to increase the viscosity of the aqueous silicone emulsions.
• nonionic cellulose ethers such as methyl cellulose, ethyl cellulose and mixed ethers such as methyl hydroxyoxy cellulose, methyl hydroxypropyl cellulose, methyl hydroxybutyl cellulose and anionic carboxy cellulose types such as the carboxymethyl cellulose sodium salt (abbreviation CMC) are particularly preferred.
• Particularly suitable thickeners are mixtures of CMC to nonionic cellulose ethers in a weight ratio of 80:20 to 40:60, in particular 75:25 to 60:40.
• aqueous silicone solutions are given starch which is accessible from natural sources, for example from rice, potatoes, corn and wheat.
• the starch is advantageously present in amounts of 0.1 to 50% by weight, based on the silicone emulsion, and in particular in a mixture with the already described thickener mixtures of sodium carboxymethyl cellulose and a nonionic cellulose ether in the amounts already mentioned.
• the procedure is expediently such that the thickeners which may be present are allowed to swell in water before the silicones are added.
• the silicones are expediently incorporated using effective stirring and mixing devices.
• the solid preparations can further contain disintegrants or disintegrants.
• Well-known disintegration aids are, for example, carbonate / citric acid systems, although other organic acids can also be used.
• Swelling disintegration aids are, for example, synthetic polymers such as optionally crosslinked polyvinylpyrrolidone (PVP) or natural polymers or modified natural products such as cellulose and starch and their derivatives, alginates or casein derivatives.
• PVP polyvinylpyrrolidone
• Disintegrants based on cellulose are used as preferred disintegrants in the context of the present invention. Pure cellulose has the formal gross composition (C 6 H 10 O 5 ) n and, formally speaking, is a ⁇ -1,4-polyacetal of cellobiose, which in turn is made up of two molecules of glucose.
• Suitable celluloses consist of approximately 500 to 5000 glucose units and consequently have average molecular weights of 50,000 to 500,000.
• Cellulose-based disintegrants which can be used in the context of the present invention are also cellulose derivatives which can be obtained from cellulose by polymer-analogous reactions.
• Such chemically modified celluloses include, for example, products from esterifications or etherifications in which hydroxy hydrogen atoms have been substituted.
• celluloses in which the hydroxyl groups have been replaced by functional groups which are not bound via an oxygen atom can also be used as cellulose derivatives.
• the group of cellulose derivatives includes, for example, alkali celluloses, carboxymethyl cellulose (CMC), cellulose esters and ethers and aminocelluloses.
• the cellulose derivatives mentioned are preferably not used alone as a cellulose-based disintegrant, but are used in a mixture with cellulose.
• the content of cellulose derivatives in these mixtures is preferably below 50% by weight, particularly preferably below 20% by weight, based on the cellulose-based disintegrant.
• Pure cellulose which is free of cellulose derivatives is particularly preferably used as the cellulose-based disintegrant.
• Microcrystalline cellulose can be used as a further cellulose-based disintegrant or as a component of this component. This microcrystalline cellulose is obtained by partial hydrolysis of celluloses under conditions which only attack and completely dissolve the amorphous areas (approx. 30% of the total cellulose mass) of the celluloses, but leave the crystalline areas (approx. 70%) undamaged.
• microcrystalline celluloses which have primary particle sizes of approximately 5 ⁇ m and can be compacted, for example, into granules with an average particle size of 200 ⁇ m.
• the disintegrants can be macroscopically homogeneously distributed in the shaped body, but microscopically they form zones of increased concentration due to the manufacturing process.
• Disintegrants which may be present in the context of the invention, such as, for example, collidone, alginic acid and its alkali metal salts, amorphous or also partially crystalline sheet silicates (bentonites), polyacrylates, polyethylene glycols are, for example, the publications WO 98/40462 (Rettenmaier), WO 98/55583 and WO 98/55590 (Unilever) and WO 98/40463, DE 19709991 and DE 19710254 (Henkel) can be found. Reference is expressly made to the teaching of these writings.
• the moldings can contain the disintegrants in amounts of 0.1 to 25, preferably 1 to 20 and in particular 5 to 15% by weight, based on the moldings.
• fragrance compounds e.g. the synthetic Products of the ester, ether, aldehyde, ketone, alcohol and hydrocarbon type be used.
• Fragrance compounds of the ester type are e.g. benzyl acetate, Phenoxyethyl isobutyrate, p-tert-butylcyclohexyl acetate, linalyl acetate, dimethylbenzylcarbinyl acetate, Phenylethyl acetate, linalyl benzoate, benzyl formate, ethyl methylphenyl glycinate, allyl cyclohexyl propionate, Styrallyl propionate and benzyl salicylate.
• the ethers include, for example Benzyl ethyl ether, to the aldehydes e.g. the linear alkanals with 8-18 C atoms, Citral, Citronellal, Citronellyloxyacetaldehyde, Cyclamenaldehyde, Hydroxycitronellal, Lilial and Bourgeonal, to the ketones e.g.
• the hydrocarbons mainly include terpenes such as limonene and pinene.
• terpenes such as limonene and pinene.
• perfume oils can also be natural Fragrance mixtures contain, as are available from plant sources, e.g. pine, Citrus, jasmine, patchouly, rose or ylang-ylang oil.
• muscatel Sage oil, chamomile oil, clove oil, lemon balm oil, mint oil, cinnamon leaf oil, linden blossom oil, juniper berry oil, Vetiver oil, olibanum oil, galbanum oil and labdanum oil as well as orange blossom oil, neroliol, Orange peel oil and sandalwood oil.
• the fragrances can be incorporated directly into the agents according to the invention, it can but it may also be advantageous to apply the fragrances to carriers which increase the adhesion of the Reinforcing perfumes on the laundry and slower fragrance release for long-lasting The scent of the textiles
• Such carrier materials have, for example Cyclodextrins have proven their worth, with the cyclodextrin-perfume complexes additionally with others Auxiliaries can be coated.
• Suitable ingredients of the agents are water-soluble inorganic salts such as bicarbonates, carbonates, amorphous silicates, normal water glasses which have no outstanding builder properties, or mixtures of these; in particular, alkali carbonate and / or amorphous alkali silicate, especially sodium silicate with a molar ratio Na 2 O: SiO 2 of 1: 1 to 1: 4.5, preferably of 1: 2 to 1: 3.5, are used.
• the content of sodium carbonate in the final preparations is preferably up to 40% by weight, advantageously between 2 and 35% by weight.
• the sodium silicate content of the agents (without special builder properties) is generally up to 10% by weight and preferably between 1 and 8% by weight.
• Sodium sulfate for example, may also be present as a filler or filler in amounts of 0 to 10, in particular 1 to 5,% by weight, based on the agent.
• the detergents and cleaning agents obtainable using the additives according to the invention can be produced in the form of powders, extrudates, granules or agglomerates or be used. It can be both universal and fine or color detergents, if necessary, act in the form of compact or super compact. To produce such agents, the corresponding ones are known from the prior art Method, suitable.
• the agents are preferably produced in that different Particulate components containing detergent ingredients mixed together become.
• the particulate components can be spray dried, simply mixed or complex granulation processes, for example fluidized bed granulation become. It is particularly preferred that at least one surfactant-containing component is produced by fluidized bed granulation.
• it can be particularly preferred be when aqueous preparations of the alkali silicate and the alkali carbonate together are sprayed with other detergent ingredients in a dryer, whereby granulation can take place simultaneously with the drying.
• the drying device into which the aqueous preparation is sprayed can be any drying apparatus.
• the drying is carried out as spray drying in a drying tower.
• the aqueous preparations are exposed to a drying gas stream in finely divided form in a known manner.
• Patent publications by Henkel describe an embodiment of spray drying with superheated steam. The working principle disclosed there is hereby expressly made the subject of the present disclosure of the invention.
• a particularly preferred way of producing the agents is to use the precursors to subject fluidized bed granulation ("SKET" granulation).
• SKET fluidized bed granulation
• the precursors can be dried Condition as well as used as an aqueous preparation.
• Prefers Fluid bed apparatuses used have base plates with dimensions from 0.4 to 5 m.
• the granulation is preferably carried out at fluidizing air speeds in the range of 1 to 8 m / s carried out.
• the granules are preferably discharged from the fluidized bed about a size classification of the granules.
• the classification can, for example by means of a screening device or by means of an opposed air flow (Classifier air), which is regulated so that only particles above a certain particle size removed from the fluidized bed and smaller particles retained in the fluidized bed become.
• Classifier air which is regulated so that only particles above a certain particle size removed from the fluidized bed and smaller particles retained in the fluidized bed become.
• the inflowing air usually settles out of the heated one or unheated classifier air and the heated bottom air together.
• the soil air temperature is between 80 and 400, preferably 90 and 350 ° C. advantageously, becomes a starting mass, for example a granulate, at the beginning of the granulation from an earlier experimental approach.
• the mixtures are then subjected to a compacting step subject to further ingredients of the agents only after the compacting step be added.
• the ingredients are compacted in one preferred embodiment of the invention in a press agglomeration process instead of.
• the press agglomeration process to which the solid premix (dried basic detergent) subject can be realized in various devices. Depending on the type of agglomerator used, different press agglomeration processes are used distinguished.
• the preferred press agglomeration process is extrusion, roller pressing or compacting, hole pressing (pelleting) and tableting, so that preferred agglomeration processes within the scope of the present invention Extrusion, roll compacting, pelletizing or tableting processes are. It is common to all processes that the premix compresses under pressure and is plasticized and the individual particles are pressed together with a reduction in porosity become and stick together. With all processes (with tableting with restrictions), the tools can be heated to higher temperatures heat up or cool to dissipate the heat generated by shear forces.
• binders can be used as an aid to compaction become.
• a binder used that at temperatures up to a maximum of 130 ° C, preferably up to a maximum 100 ° C and in particular up to 90 ° C is already completely in the form of a melt.
• the Binder must therefore be selected depending on the process and process conditions or the process conditions, in particular the process temperature, must - if a certain binder is desired - be adapted to the binder.
• the actual compression process is preferably carried out at processing temperatures, at least in the compression step at least the temperature of the softening point, if not the temperature of the melting point of the binder correspond.
• the process temperature is significantly above the melting point or above the temperature at which the binder is in the form of a melt.
• the Process temperature in the compression step not more than 20 ° C above the melting temperature or the upper limit of the melting range of the binder. Is it is technically quite possible to set even higher temperatures; it has but it was shown that a temperature difference to the melting temperature or to the softening temperature the binder of 20 ° C is generally sufficient and even higher temperatures have no additional advantages.
• Such a temperature control has the further advantage that also thermally sensitive raw materials, for example peroxy bleach such as perborate and / or percarbonate, but also enzymes, increasingly without serious losses of active substance can be processed.
• thermally sensitive raw materials for example peroxy bleach such as perborate and / or percarbonate, but also enzymes, increasingly without serious losses of active substance can be processed.
• a temperature of maximum 150 ° C preferably maximum 100 ° C and in particular a maximum of 75 ° C and the process temperature is 30 ° C and in particular a maximum of 20 ° C above the melting temperature or the upper temperature limit the melting range of the binder.
• the duration is preferably Temperature impact in the compression area of the press agglomerators a maximum of 2 minutes and is in particular in a range between 30 seconds and 1 minute.
• Preferred binders which can be used alone or in a mixture with other binders are polyethylene glycols, 1,2-polypropylene glycols and also modified polyethylene glycols and polypropylene glycols.
• the modified polyalkylene glycols include in particular the sulfates and / or the disulfates of polyethylene glycols or polypropylene glycols with a relative molecular weight between 600 and 12,000 and in particular between 1,000 and 4,000.
• Another group consists of mono- and / or disuccinates of the polyalkylene glycols, which again have relative molecular weights between 600 and 6,000, preferably between 1,000 and 4,000.
• polyethylene glycols include those polymers which, in addition to ethylene glycol, also use C 3 -C 5 glycols and glycerol and mixtures of these as starting molecules. Ethoxylated derivatives such as trimethylolpropane with 5 to 30 EO are also included.
• the polyethylene glycols preferably used can have a linear or branched structure, linear polyethylene glycols being particularly preferred.
• the particularly preferred polyethylene glycols include those with relative molecular weights between 2,000 and 12,000, advantageously around 4,000, polyethylene glycols with relative molecular weights below 3,500 and above 5,000, in particular in combination with polyethylene glycols with a relative molecular weight of around 4,000, can be used such combinations advantageously have more than 50% by weight, based on the total amount of polyethylene glycols, of polyethylene glycols with a relative molecular weight of between 3,500 and 5,000.
• polyethylene glycols can also be used as binders, which are per se in liquid state at room temperature and a pressure of 1 bar; Here we are mainly talking about polyethylene glycol with a relative molecular mass of 200, 400 and 600.
• these per se liquid polyethylene glycols should only be used in a mixture with at least one further binder, this mixture again having to meet the requirements according to the invention, that is to say having a melting point or softening point of at least above 45 ° C.
• suitable as binders are low molecular weight polyvinylpyrrolidones and derivatives thereof with relative molecular weights of up to a maximum of 30,000. Relative molecular weight ranges between 3,000 and 30,000, for example around 10,000 are preferred.
• Polyvinylpyrrolidones are preferably not used as sole binders, but in combination with other used in particular in combination with polyethylene glycols.
• the compressed material preferably has temperatures not above 90 ° C., temperatures between 35 and 85 ° C. being particularly preferred. It has been found that outlet temperatures - especially in the extrusion process - from 40 to 80 ° C., for example up to 70 ° C., are particularly advantageous.
• the detergent according to the invention is produced by means of an extrusion, as described, for example, in European patent EP 0486592 B1 or international patent applications WO 93/02176 and WO 94/09111 or WO 98/12299 .
• a solid premix is pressed in the form of a strand under pressure and the strand is cut to the predeterminable size of the granulate after it has emerged from the hole shape by means of a cutting device.
• the homogeneous and solid premix contains a plasticizer and / or lubricant, which causes the premix to become plastically softened and extrudable under the pressure or under the entry of specific work.
• Preferred plasticizers and / or lubricants are surfactants and / or polymers.
• the premix is preferably fed to a planetary roller extruder or a 2-shaft extruder or 2-screw extruder with co-rotating or counter-rotating screw guidance, the housing and the extruder pelletizing head of which can be heated to the predetermined extrusion temperature.
• the premix is compressed, plasticized, extruded in the form of fine strands through the perforated die plate in the extruder head and finally, under pressure, which is preferably at least 25 bar, but can also be lower at extremely high throughputs depending on the apparatus used the extrudate is preferably reduced to approximately spherical to cylindrical granules by means of a rotating knife.
• the hole diameter of the perforated nozzle plate and the strand cut length are matched to the selected granulate dimension. In this way, the production of granules of an essentially uniformly predeterminable particle size succeeds, and in particular the absolute particle sizes can be adapted to the intended use.
• particle diameters up to at most 0.8 cm are preferred.
• Important embodiments provide for the production of uniform granules in the millimeter range, for example in the range from 0.5 to 5 mm and in particular in the range from approximately 0.8 to 3 mm.
• the length / diameter ratio of the chopped-off primary granules is preferably in the range from about 1: 1 to about 3: 1. It is also preferred to feed the still plastic primary granules to a further shaping processing step; edges present on the crude extrudate are rounded off, so that ultimately spherical to approximately spherical extrudate grains can be obtained.
• small amounts of dry powder for example zeolite powder such as zeolite NaA powder, can also be used in this step.
• extrusions / pressings can also be carried out in low-pressure extruders, in the Kahl press (from Amandus Kahl) or in the Bepex extruder.
• the temperature control in the transition region of the screw, the pre-distributor and the nozzle plate is preferably designed such that the melting temperature of the binder or the upper limit of the melting range of the binder is at least reached, but preferably exceeded.
• the duration of the temperature influence in the compression range of the extrusion is preferably less than 2 minutes and in particular in a range between 30 seconds and 1 minute.
• the detergents according to the invention can also be roll compacted getting produced.
• the premix is targeted between two smooth or with Wells of defined shape are metered in and between the two rollers Rolling under pressure to a leaf-shaped compact, the so-called Schülpe, rolled out.
• the rollers exert a high line pressure on the premix and can be additionally heated or cooled as required.
• Smooth rolling gives you smooth, unstructured wristbands while using structured rollers correspondingly structured slugs are generated can, in which, for example, certain forms of the later detergent particles can be specified.
• the cuff band is subsequently knocked off and crushing process broken into smaller pieces and this way too Granules are processed by further known surface treatment processes refined, in particular brought into an approximately spherical shape can be.
• the temperature of the pressing is also in the roller compacting Tools, that is the rollers, preferably at a maximum of 150 ° C., preferably at a maximum 100 ° C and especially at a maximum of 75 ° C.
• Particularly preferred manufacturing processes work with roller compaction with process temperatures that 10 ° C, in particular a maximum of 5 ° C above the melting temperature or the upper temperature limit of the melting range of the binder.
• the duration of exposure to temperature in the compression range of the smooth or rollers with recesses of a defined shape is a maximum of 2 minutes and in particular is in a range between 30 seconds and 1 minute.
• the detergent according to the invention can also be produced by pelleting.
• the premix is applied to a perforated surface and pressed through the holes by means of a pressure-producing body with plasticization.
• the premix is compressed under pressure, plasticized, pressed through a perforated surface by means of a rotating roller in the form of fine strands and finally comminuted into granules using a knock-off device.
• the most varied configurations of the pressure roller and perforated die are conceivable here. For example, flat perforated plates are used as well as concave or convex ring matrices through which the material is pressed using one or more pressure rollers.
• the press rolls can also be conical in the plate devices, in the ring-shaped devices dies and press roll (s) can have the same or opposite direction of rotation.
• An apparatus suitable for carrying out the method is described, for example, in German laid-open specification DE 3816842 A1 .
• the ring die press disclosed in this document consists of a rotating ring die interspersed with press channels and at least one press roller which is operatively connected to its inner surface and which presses the material supplied to the die space through the press channels into a material discharge.
• the ring die and the press roller can be driven in the same direction, which means that a reduced shear stress and thus a lower temperature increase in the premix can be achieved.
• the temperature of the pressing tools is preferably at most 150 ° C., preferably at most 100 ° C. and in particular at most 75 ° C.
• Particularly preferred production processes work in roller compacting with process temperatures which are 10 ° C., in particular a maximum of 5 ° C. above the melting temperature or the upper temperature limit of the melting range of the binder.
• Shaped bodies are generally produced by tableting or press agglomeration.
• the particulate press agglomerates obtained can either be used directly as detergents or aftertreated and / or prepared beforehand by customary methods.
• the usual aftertreatments include, for example, powdering with finely divided ingredients from washing or cleaning agents, which generally further increases the bulk density.
• a preferred aftertreatment is also the procedure according to German patent applications DE 19524287 A1 and DE 19547457 A1 , in which dusty or at least finely divided ingredients (the so-called fine fractions) are adhered to the particulate end products of the process, which serve as the core, and thus give rise to means , which have these so-called fines as an outer shell.
• the solid detergents are in tablet form, these tablets preferably having rounded corners and edges, in particular for storage and transport reasons.
• the base of these tablets can be circular or rectangular, for example.
• Multi-layer tablets, in particular tablets with 2 or 3 layers, which can also have different colors, are particularly preferred. Blue-white or green-white or blue-green-white tablets are particularly preferred.
• the tablets can also contain pressed and unpressed parts.
• Shaped articles with a particularly advantageous dissolution rate are obtained if the granular constituents, prior to pressing, have a proportion of particles which have a diameter outside the range from 0.02 to 6 mm of less than 20, preferably less than 10,% by weight.
• a particle size distribution in the range from 0.05 to 2.0 and particularly preferably from 0.2 to 1.0 mm is preferred.
• the foaming power was determined in accordance with DIN 53 902 using a foam whipper with 1% by weight solutions (20 ° C., 16 ° d, 1% by weight sebum load).
• the skin irritation was assessed in accordance with OECD Method No.404 and the EEC Directive 84/449 EEC, Pt.B.4. with 5% by weight solutions.
• the specified stimulus sum scores were formed from the stimulus scores obtained after 24, 48 and 72 hours.
• the irritation total score determined in comparative experiment V1 was set at 100% for a 100% C 12 -C 14 alkyl oligoglucoside and the irritation total scores obtained in the remaining experiments were compared to this. The results are summarized in Table 1.

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• 2000
  • 2000-11-09 DE DE10055517A patent/DE10055517A1/de not_active Withdrawn
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