EP1240287B1 - Pastilles de detergent - Google Patents

Pastilles de detergent Download PDF

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Publication number
EP1240287B1
EP1240287B1 EP00985168A EP00985168A EP1240287B1 EP 1240287 B1 EP1240287 B1 EP 1240287B1 EP 00985168 A EP00985168 A EP 00985168A EP 00985168 A EP00985168 A EP 00985168A EP 1240287 B1 EP1240287 B1 EP 1240287B1
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EP
European Patent Office
Prior art keywords
acid
alcohol
weight
detergent tablet
carbon atoms
Prior art date
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EP00985168A
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German (de)
English (en)
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EP1240287A1 (fr
Inventor
Manfred Weuthen
Ditmar Kischkel
Michael Elsner
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BASF Personal Care and Nutrition GmbH
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Cognis Deutschland GmbH and Co KG
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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
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/22—Carbohydrates or derivatives thereof
    • C11D3/222—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/72—Ethers of polyoxyalkylene glycols
    • C11D1/721—End blocked 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
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0047—Detergents in the form of bars or tablets
    • C11D17/0065—Solid detergents containing builders
    • C11D17/0073—Tablets
    • 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
    • C11D3/37—Polymers
    • C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3726—Polyurethanes
    • 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
    • C11D3/37—Polymers
    • C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3769—(Co)polymerised monomers containing nitrogen, e.g. carbonamides, nitriles or amines
    • C11D3/3776—Heterocyclic compounds, e.g. lactam

Definitions

  • the invention is in the field of molded detergents and relates to tablets with special Surfactant granules.
  • surfactants are preferred for the production of solid washing, rinsing and cleaning agents set in granular, practically anhydrous form. Have to produce such supply forms the most varied of processes have proven to be suitable. Common to those in the trade However, surfactant granules that they have an inadequate dissolution rate in particular in cold water. Detergent tablets based on, for example, alkyl sulfate or For this reason, alkyl glucoside granules can be produced despite the use of considerable amounts of disintegrants are not used directly in the washing-up chamber of the washing machine, but must be added directly to the wash liquor.
  • the object of the present invention was therefore to provide detergent tablets to be put on contact with cold water particularly quickly without the formation of a gel phase disintegrate so that the disadvantages of the prior art are reliably overcome.
  • the invention relates to detergent tablets which are distinguished by the fact that they contain surfactant granules contain, which can be obtained by granulation and compacting of nonionic surfactants Type which contains hydroxy mixed ethers in the presence of disintegrants.
  • laundry detergent also includes others below Applications in the field of cleaning hard surfaces, but especially detergents and cleaning agents Roger that.
  • the invention includes the discovery that the hydroxy mixed ethers are preferred with other co-surfactants from the group of anionic, nonionic, cationic, amphoteric and / or zwitterionic surfactants are used.
  • Hydroxy mixed ethers are known nonionic surfactants with an asymmetrical ether structure and polyalkylene glycol components, which can be obtained, for example, by subjecting ovenefine epoxides to a ring opening reaction with fatty alcohol polyglycol ethers.
  • Corresponding products and their use in the field of cleaning hard surfaces are the subject of, for example, the European patent EP 0693049 B1 and the international patent application WO 94/22800 (Olin) and the documents mentioned therein.
  • the hydroxy mixed ethers typically follow the general formula (I) in which R 1 represents a linear or branched alkyl radical having 2 to 18, preferably 10 to 16 carbon atoms, R 2 represents hydrogen or a linear or branched alkyl radical having 2 to 18 carbon atoms, R 3 represents hydrogen or methyl, R 4 represents a linear or branched, alkyl and / or alkenyl radical having 6 to 22, preferably 12 to 18 carbon atoms and n being numbers from 1 to 50, preferably 2 to 25 and in particular 5 to 15, with the proviso that the sum of the carbon atoms in the radicals R 1 and R 2 is at least 4 and preferably 12 to 18.
  • R 1 represents a linear or branched alkyl radical having 2 to 18, preferably 10 to 16 carbon atoms
  • R 2 represents hydrogen or a linear or branched alkyl radical having 2 to 18 carbon atoms
  • R 3 represents hydrogen or methyl
  • R 4 represents a linear or branched, alkyl and / or alken
  • the HME ring opening products can be either internal olefins (R 2 not equal to hydrogen) or terminal olefins (R 2 not equal to hydrogen), the latter being preferred in view of the easier preparation and the more advantageous application properties.
  • the polar part of the molecule can be a polyethylene glycol or a polypropylene glycol chain; Mixed chains of PE and PP units are also suitable, be it in statistical or block distribution.
  • Typical examples are ring opening products of 1,2-hexene epoxide, 2,3-hexene epoxide, 1,2-octene epoxide, 2,3-octene epoxide, 3,4-octene epoxide, 1,2-decene epoxide, 2,3-decene epoxide, 3 , 4-Decenepoxid, 4,5-Decenepoxid, 1,2-Dodecenepoxid, 2,3-Dodecenepoxid, 3,4-Dodecenepoxid, 4,5-Dodecenepoxid, 5,6-Dodecenepoxid, 1,2-Tetradecenepoxid, 2,3 -Tetradecenepoxid, 3,4-Tetradecen-Epoxid, 4,5-Tetradecenepoxid, 5,6-Tetradecenepoxid, 6,7-Tetradecenepoxid, 1,2-Hexadecene
  • anionic surfactants are soaps, alkyl benzene sulfonates, alkane sulfonates, 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, fatty sulfate sulfates, mono-amide sulfate ethersulfates, fatty acid sulfate sulfates, mono- and dialkyl sulfosuccinamates, sulfotriglycerides, amide soaps, ether carboxylic acids and salts thereof, fatty acid taurides, N-acylamino acids such as acyl lactylates, acyl
  • anionic surfactants contain polyglycol ether chains, these can have a conventional, but preferably a narrow, homolog distribution.
  • Alkyl benzene sulfonates, alkyl sulfates, soaps, alkane sulfonates, olefin sulfonates, methyl ester sulfonates and mixtures thereof are preferably used.
  • Preferred alkylbenzenesulfonates preferably follow the formula (II) R 5 -Ph-SO 3 X (II) in which R 5 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 5 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 often 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 6 O-SO 3 X (III) in which R 6 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 as well as their technical mixtures, which are obtained by 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-containing 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 adding carbon monoxide and hydrogen to 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 to be understood as meaning fatty acid salts of the formula (IV) R 7 CO-OX (IV) in which R 7 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, petoleic acid, linoleic acid, linoleic 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, fatty acid amide, fatty amine polyglycol ethers, alkoxylated triglycerides, mixed ethers and mixed formals, alk (en) yl oligoglycosides, fatty acid N-alkylglucamides, protein hydrolysates (in particular vegetable products based on wheat), polyol, Zuckerester, sorbitan esters , Polysorbates and amine oxides.
  • the nonionic surfactants contain polyglycol ether chains, they can have a conventional, but preferably a narrow, homolog distribution.
  • Fatty alcohol polyglycol ethers, alkoxylated fatty acid lower alkyl esters or alkyl oligoglucosides are preferably used.
  • the preferred fatty alcohol polyglycol ethers follow the formula (V) R 8 O (CH 2 CHR 9 O) n1 H (V) in which R 8 represents a linear or branched alkyl and / or alkenyl radical having 6 to 22, preferably 12 to 18 carbon atoms, R 9 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 moles of ethylene and / or propylene oxide with 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 10 CO- (OCH 2 CHR 11 ) n2 OR 12 (VI) in which R 10 CO stands for a linear or branched, saturated and / or unsaturated acyl radical with 6 to 22 carbon atoms, R 11 for hydrogen or methyl, R 12 for linear or branched alkyl radicals with 1 to 4 carbon atoms and n2 for numbers from 1 to 20 stands.
  • Typical examples are the formal insert products of on average 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 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. Reaction 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.
  • Alkyl and alkenyl oligoglycosides which are also preferred nonionic surfactants, usually follow the formula (VII) , R 13 O- [G] p (VII) in which R 13 represents an alkyl and / or alkenyl radical having 4 to 22 carbon atoms, G represents a sugar radical having 5 or 6 carbon atoms and p represents numbers from 1 to 10. They can be obtained according to the relevant procedures in preparative organic chemistry. As a representative of the extensive literature, reference is made here to the documents EP-A1 0301298 and WO 90/03977 .
  • 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 (VII) 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 is in particular between 1.2 and 1.4.
  • the alkyl or alkenyl radical R 13 can be derived from primary alcohols having 4 to 11, preferably 8 to 10, carbon atoms. Typical examples are butanol, capronic 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 13 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.
  • cationic surfactants are, in particular, tetraalkylammonium compounds , such as, for example, dimethyldistearylammonium chloride or hydroxyethyl hydroxycetyldimmonium chloride (Dehyquart E) or esterquats.
  • R 14 CO stands for 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 for 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 from 1 to 12
  • m4 for numbers from 1 to 12 and Y for
  • ester quats that 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 C 16/18 fatty acid cuts rich in elaidic acid 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 ester quats 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 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) are also suitable as esterquats.
  • 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 quats are the quaternized ester salts of fatty acids with 1,2-dihydroxypropyl dialkylamines of the formula (X) 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.
  • 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
  • X again represents halide, alkyl sulfate or alkyl phosphate.
  • suitable esterquats 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 the 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-diethylaminopropylamine, 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.
  • hydroxy mixed ethers are used together with one or more of the co-surfactants mentioned, it is recommended to use them in a weight ratio of 1:10 to 10: 1, preferably 1: 5 to 5: 1 and especially 1: 2 to 2: 1 to use.
  • disintegrant is to be understood as meaning substances which are contained in the surfactant granules in order to accelerate their disintegration when brought into contact with water. Overviews can be found, for example, in J.Pharm.Sci. 61 (1972), Römpp Chemilexikon, 9th edition, volume 6, p. 4440 and Voigt "Textbook of pharmaceutical technology” (6th edition, 1987, pp. 182-184). These substances increase their volume when water enters, whereby on the one hand the own volume increases (swelling), on the other hand a pressure can be generated by the release of gases, which causes the tablet to disintegrate into smaller particles.
  • 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 polyvinylpyrrolidone (PVP) or natural polymers or modified natural products such as cellulose and starch and their derivatives, alginates or casein derivatives.
  • 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, viewed formally, 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.
  • a subsequent disaggregation of the microfine celluloses produced by the hydrolysis provides the 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 homogeneously distributed in the molded body from a macroscopic point of view, but from a microscopic point of view they form zones of increased concentration due to the production.
  • 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 A1 (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.
  • the production of the surfactant granules can be carried out for detergents known way. It is particularly possible to pre-granulate during or compact after granulation. The compaction is imperative to to achieve a sufficient increase in the dissolution rate.
  • the surfactant granules used have a grain size in the Have range from 0.01 to 6, preferably 0.1 to 5 mm and in particular the proportion which is not in the range of 0.1 to 5 mm, makes up less than 25% by weight.
  • a particularly preferred way of producing the surfactant granules is to subject the mixtures to fluidized bed granulation (“SKET” granulation).
  • SKET fluidized bed granulation
  • This is understood to mean granulation with simultaneous drying, which is preferably carried out batchwise or continuously.
  • the mixtures of surfactants and disintegrants can be used both in the dried state and as an aqueous preparation.
  • Fluidized bed apparatuses which are preferably used have base plates with dimensions of 0.4 to 5 m.
  • the granulation is preferably carried out at fluidizing air speeds in the range from 1 to 8 m / s.
  • the granules are preferably discharged from the fluidized bed via a size classification of the granules.
  • the classification can take place, for example, by means of a screening device or by means of an opposed air flow (classifying air) which is regulated in such a way that only particles of a certain particle size are removed from the fluidized bed and smaller particles are retained in the fluidized bed.
  • the inflowing air is usually composed of the heated or unheated classifier air and the heated bottom air.
  • the soil air temperature is between 80 and 400, preferably 90 and 350 ° C.
  • a starting compound, for example a surfactant granulate from an earlier test batch, is advantageously introduced at the start of the granulation.
  • the mixtures are only after the granulation, for example in one Mixer or a fluid bed, subjected to a compacting step, with further ingredients the agents can only be added after the compacting step.
  • ingredients are found in a press agglomeration process instead of.
  • the press agglomeration process to which the solid premix is subjected can be realized in different devices. Depending on the type of agglomerator used A distinction is made between different press agglomeration processes.
  • preferred press agglomeration processes are extrusion, the roller pressing or compacting, and the hole pressing (pelletizing), so that in the frame preferred press agglomeration operations of the present invention extrusion, roll compacting or pelleting processes.
  • binders can be used as an aid to compaction.
  • a binder is used that at temperatures up to 130 ° C, preferably up to a maximum of 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, especially the process temperature - if a certain one Binder is desired - to be adapted to the binder.
  • the actual compression process is preferably carried out at processing temperatures that at least in the compression step at least the temperature of the softening point, if not correspond to the temperature of the melting point of the binder.
  • 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 is not more than 20 ° C above the melting temperature or the upper limit of the melting range of the binder.
  • the working tools of the press agglomerator (the screw (s) of the extruder, the roller (s) of the roller compactor and the press roller (s) of the pellet press) have a temperature of a maximum of 150 ° C, preferably a maximum of 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 of the melting range of the binder.
  • the duration is preferably the temperature effect in the compression area of the press agglomerators a maximum of 2 minutes and is particularly 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 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 preferably used polyethylene glycols can have a linear or branched structure, linear polyethylene glycols being preferred in particular.
  • 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, and 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 between 3,500 and 5,000.
  • polyethylene glycols can also be used as binders, which per se at room temperature and a pressure of 1 bar in liquid state; 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.
  • Low molecular weight polyvinylpyrrolidones and derivatives thereof with relative molecular weights of up to a maximum of 30,000 are also suitable as binders. Relative molecular mass ranges between 3,000 and 30,000, for example around 10,000, are preferred.
  • Polyvinylpyrrolidones are preferably not used as the sole binder, but rather in combination with others, in particular in combination with polyethylene glycols.
  • the compacted material preferably has temperatures immediately after it leaves the production apparatus not above 90 ° C, with temperatures between 35 and 85 ° C particularly preferred are. 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 surfactant granules are 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 extruded under pressure and the strand is cut to the predeterminable size of the granulate by means of a cutting device after it has emerged from the hole shape.
  • 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 cutting knife.
  • the hole diameter of the perforated nozzle plate and the strand cut length are matched to the selected granule size. In this way, granules of an essentially uniformly predeterminable particle size can be produced, the absolute particle sizes in particular being able to 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 surfactant granules can also be produced by means of roller compaction.
  • the premix between two smooth or with wells of a defined shape Rolls metered in and between the two rolls under pressure to a sheet-like 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 sash bands, while using structured ones
  • Correspondingly structured slugs can be produced in which, for example certain forms of the later detergent particles can be specified.
  • the Schülpenband is subsequently broken up into smaller pieces by a knock-off and crushing process and can be processed in this way to granules, which are known by others Surface treatment process refined, especially brought into an approximately spherical shape can be.
  • the temperature of the pressing tools is So the rollers, preferably at a maximum of 150 ° C, preferably at a maximum of 100 ° C and in particular at a maximum of 75 ° C.
  • Particularly preferred manufacturing processes work in roller compaction with process temperatures that 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.
  • the duration of temperature exposure in the compression range of the smooth or rollers provided with depressions of a defined shape is a maximum of 2 minutes and in particular is in a range between 30 seconds and 1 minute.
  • the surfactant granules 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 a maximum of 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.
  • the detergent tablets can contain other known additives, above all builders, but also optical brighteners, enzymes, enzyme stabilizers, defoamers, co-disintegrants, contain small amounts of neutral filling salts as well as colors and fragrances and the like.
  • the washing, rinsing, cleaning and finishing agents according to the invention can furthermore additionally inorganic and organic builder substances, for example in amounts of 10 to 60 and preferably 15 to 35 wt .-% - based on the agent - contain, as inorganic builder substances mainly zeolites crystalline layered silicates, amorphous silicates and - if permitted - also Phosphates, e.g. Tripolyphosphate are used.
  • the amount of co-builder is based on that allowance for preferred amounts of phosphates.
  • the fine crystalline, synthetic and bound water-containing zeolite 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 and Y are also suitable.
  • a cocrystallized sodium / potassium aluminum silicate composed of zeolite A and zeolite X, which as VEGOBOND AX® (commercial product from Condea Augusta SpA) is commercially available.
  • the zeolite can be used as a spray-dried powder or as an undried stabilized suspension that is still moist from its production.
  • the zeolite in the event that the zeolite is used as a suspension, it can contain small 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, wherein ⁇ -sodium disilicate can 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 above formulas.
  • 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 from 8 to 20% by weight and depends on the swelling condition or the type of processing.
  • Useful layer 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 have been caused in various ways, for example by surface treatment, compounding, compacting / sealing 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 provide 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.
  • phosphates are also used as builder substances possible if such use should not be avoided for ecological reasons.
  • Suitable are in particular the sodium salts of orthophosphates, pyrophosphates and in particular the tripolyphosphate.
  • Their content is generally not more than 25% by weight, preferably not more than 20 wt .-%, each based on the finished agent.
  • polyphosphates even in small amounts up to a maximum of 10% by weight, based on the finished agents, in combination with other builder substances to a synergistic improvement of secondary washing power.
  • Usable organic builders that are suitable as co-builders are, for example, the polycarboxylic acids that 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 is used for ecological reasons is not objectionable, and 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 also be used.
  • the acids typically also have the property of an acidifying component and thus also serve to set a lower and milder pH value of detergents or cleaning agents.
  • Citric acid, succinic acid, glutaric acid, adipic acid, gluconic acid and any mixtures thereof can be mentioned in particular.
  • 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, for example acid or enzyme-catalyzed, processes. They are preferably hydrolysis products with average molecular weights 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 and 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 , such as are 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 3 to 15% by weight.
  • organic cobuilders are, for example, acetylated hydroxycarboxylic acids or salts thereof, which may also be in lactone form and which have at least 4 carbon atoms and at least one hydroxyl group and at most 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, according to DE 4221381 C2, are monomer salts of acrylic acid and the 2-alkylallylsulfonic acid and sugar derivatives.
  • copolymers are those which are described in German patent applications DE 4303320 A1 and DE 4417734 A1 and which preferably contain acrolein and acrylic acid / acrylic acid salts or acrolein and vinyl acetate as monomers.
  • further preferred builder substances are polymeric aminodicarboxylic acids, their salts or their precursor 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 mixtures thereof 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 a proportion of methoxyl groups from 15 to 30 wt .-% and of hydroxypropoxyl groups from 1 to 15% by weight, based in each case on the nonionic cellulose ether, and that from the prior art Polymers of phthalic acid and / or terephthalic acid or their derivatives known from technology, in particular polymers of ethylene terephthalates and / or polyethylene glycol terephthalates or anionically and / or nonionically modified derivatives of these. Particularly preferred of these are the sulfonated derivatives of phthalic acid and terephthalic acid polymers.
  • 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 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 content of sodium silicate in the agents (without special builder properties) is generally up to 10% by weight and preferably between 1 and 8% by weight.
  • the agents can include other known additives, for example Salts of polyphosphonic acids, optical brighteners, enzymes, enzyme stabilizers, defoamers, minor Contain quantities of neutral filling salts as well as colors and fragrances and the like.
  • bleaching agents which can be used are, for example, sodium percarbonate, peroxypyrophosphates, citrate perhydrates and H 2 O 2 -producing peracid salts or peracids, such as perbenzoates, peroxophthalates, diperazelaic acid, phthaloimmoper 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 with preferably 1 to 10 C atoms, in particular 2 to 4 C atoms, and / or optionally substituted perbenzoic acid. Substances are suitable 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 tetraacetylethylene diamine (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-diacetyloxy, 2,5-ethylene glycol 2,5-dihydrofuran and the enol esters known from German patent
  • 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 salen 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 19620411 A1 known cobalt-, iron-, copper- and ruthenium-ammine complexes, the manganese described in the German patent application DE 4416438 A1, copper and cobalt complexes cobalt complexes described in the European patent application EP 0272030 A1 , the manganese-K known from the European patent application EP 0693550 A
  • 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.
  • Enzymes in particular include those from the class of hydrolases, such as proteases, esterases, lipases or lipolytically active enzymes, amylases, cellulases or other glycosyl hydrolases and mixtures of the enzymes mentioned. All of these hydrolases contribute to the removal of stains, such as stains containing protein, fat or starch, and graying in the laundry. By removing pilling and microfibrils, cellulases and other glycosyl hydrolases can help maintain color and increase the softness of the textile. Oxidoreductases can also be used for bleaching or for inhibiting color transfer.
  • hydrolases such as proteases, esterases, lipases or lipolytically active enzymes, amylases, cellulases or other glycosyl hydrolases and mixtures of the enzymes mentioned. All of these hydrolases contribute to the removal of stains, such as stains containing protein, fat or starch, and graying in the laundry. By removing pilling and micro
  • Enzymes obtained from bacterial strains or fungi such as Bacillus subtilis, Bacillus licheniformis, Streptomyces griseus and Humicola insolens are particularly suitable.
  • Proteases of the subtilisin type and in particular proteases which are obtained from Bacillus lentus are preferably used.
  • Enzyme mixtures for example, from protease and amylase or protease and lipase or lipolytically active enzymes or protease and cellulase or from cellulase and lipase or lipolytically active enzymes or from protease, amylase and lipase or lipolytically active enzymes or protease, lipase or lipolytic enzymes and cellulase, but especially protease- and / or lipase-containing mixtures or mixtures with lipolytic enzymes of particular interest.
  • Known cutinases are examples of such lipolytically active enzymes.
  • Peroxidases or oxidases have also proven to be suitable in some cases.
  • Suitable amylases include in particular ⁇ -amylases, iso-amylases, pullulanases and pectinases.
  • Cellobiohydrolases, endoglucanases and ⁇ -glucosidases, which are also called cellobiases, or mixtures thereof, are preferably used as cellulases. Since the different cellulase types differ in their CMCase and avicelase activities, the desired activities can be set by targeted mixtures of the cellulases.
  • the enzymes can be adsorbed on carriers and / or embedded in coating substances in order to protect them against premature decomposition.
  • the proportion of the enzymes, enzyme mixtures or enzyme granules can be, for example, about 0.1 to 5% by weight, preferably 0.1 to about 2% by weight.
  • the agents can contain further enzyme stabilizers .
  • enzyme stabilizers 0.5 to 1% by weight sodium formate can be used.
  • 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 suspending the dirt detached from the fiber in the liquor to keep and thus prevent the dirt from re-opening.
  • they are water soluble Colloids mostly of an organic nature are suitable, for example the water-soluble salts of polymers Carboxylic acids, glue, gelatin, salts of ether carboxylic acids or ether sulfonic acids of starch or the cellulose or salts of acidic sulfuric acid esters of cellulose or starch.
  • Water-soluble polyamides containing acidic groups are also suitable for this purpose.
  • Farther soluble starch preparations and starch products other than those mentioned above can be used, e.g. degraded starch, aldehyde starches, etc.
  • Polyvinylpyrrolidone can also be used.
  • cellulose ethers 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 amounts of 0.1 up to 5 wt .-%, based on the agent used.
  • the agents can contain derivatives of diaminostilbenedisulfonic acid or their alkali metal salts as optical brighteners. 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 used 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 10 -6 to 10 -3 % by weight. 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, the molar ratio Ethylene terephthalate to polyethylene glycol terephthalate can range from 50:50 to 90:10.
  • the molecular weight of the linking polyethylene glycol units is in particular in the range of 750 to 5000, i.e. the degree of ethoxylation of the polymers containing polyethylene glycol groups can be approx. 15 up to 100.
  • the polymers are characterized by an average molecular weight of approximately 5000 to 200,000 and can have a block, 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 Have polymers from about 10,000 to about 50,000.
  • Examples of commercially available polymers are Products Milease® T (ICI) or Repelotex® SRP 3 (Rhône-Poulenc).
  • Wax-like compounds can be used as defoamers. Such are called “waxy” Understood compounds that have a melting point at atmospheric pressure above 25 ° C (room temperature), preferably have above 50 ° C and in particular above 70 ° C.
  • the waxy defoamer substances are practically insoluble in water, i.e. at 20 ° C in 100 g of water solubility below 0.1% by weight.
  • Suitable waxy compounds are, for example Bisamides, fatty alcohols, fatty acids, carboxylic acid esters of mono- and polyhydric alcohols as well as paraffin waxes or mixtures thereof. Alternatively, of course, you can also use them Purpose known 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.
  • the solid hydrocarbons with melting points between 63 and 79 ° C which are separated from the highly viscous, paraffin-containing lubricating oil distillates during dewaxing are also suitable.
  • 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. to 90 ° C., 20% by weight to 49% by weight hard paraffin can be used with a solidification point from 42 ° C to 56 ° C and 2% by weight to 25% by weight soft paraffin with a solidification point from 35 ° C to 40 ° C.
  • Paraffins or paraffin mixtures which solidify in the range from 30 ° C. to 90 ° C. are preferably used. It should be noted that even paraffin wax mixtures that appear solid at room temperature can contain different proportions of liquid paraffin. In the 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 fraction of less than 10% by weight, in particular from 2% by weight to 5% by weight, at 40 ° C a liquid fraction of less than 30% by weight, preferably of 5 % By weight to 25% by weight and in particular from 5% by weight to 15% by weight, at 60 ° C.
  • the temperature at which a liquid content of 100% by weight of the paraffin wax is reached is still below 85 ° C., in particular at 75 ° C. to 82 ° C., in particularly preferred paraffin wax mixtures.
  • the paraffin waxes can be petrolatum, microcrystalline waxes or hydrogenated or partially hydrogenated paraffin waxes.
  • Suitable bisamides as defoamers are those which differ from saturated fatty acids with 12 to 22, preferably derived from 14 to 18 carbon atoms and from alkylenediamines with 2 to 7 carbon atoms.
  • suitable Fatty acids are lauric, myristic, stearic, arachic and behenic acid and mixtures thereof, such as they are available from natural fats or hardened oils, such as tallow or hydrogenated palm oil are.
  • Suitable diamines are, for example, ethylenediamine, 1,3-propylenediamine, tetramethylenediamine, Pentamethylenediamine, hexamethylenediamine, p-phenylenediamine and toluenediamine.
  • Diamines are ethylenediamine and hexamethylenediamine.
  • Bisamides are particularly preferred Bismyristoylethylenediamine, bispalmitoylethylenediamine, bisstearoylethylenediamine and mixtures thereof and the corresponding derivatives of hexamethylenediamine.
  • 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, 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 , and camauba wax , which is a mixture of carnauba acid alkyl esters, often in combination with small amounts of free camamauba 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 mixtures thereof, as are obtainable from natural fats or optionally hardened oils, such as tallow or hydrogenated palm oil. Saturated fatty acids with 12 to 22, in particular 18 to 22, carbon atoms are preferred. Suitable fatty alcohols as a further defoamer compound are the hydrogenated products of the fatty acids described.
  • Dialkyl ethers may also be present as defoamers.
  • the ethers can be asymmetric or be symmetrical, i.e. two identical or different alkyl chains, preferably containing 8 to 18 carbon atoms.
  • Typical examples are di-n-octytether, di-octyl ether and di-n-stearyl ether, particularly suitable are dialkyl ethers which have a melting point above Have 25 ° C, especially above 40 ° C.
  • Suitable defoamer compounds are fatty ketones, which can be obtained by the relevant methods of preparative organic chemistry. For their preparation, one starts from, for example, carboxylic acid magnesium salts which are pyrolyzed at temperatures above 300 ° C. with the elimination of carbon dioxide and water, for example in accordance with German published patent application DE 2553900 OS.
  • 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 preferably obtained by base-homogeneously catalyzed addition of ethylene oxide to fatty acids.
  • 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, especially 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 if necessary. All known inorganic and / or organic carrier materials are suitable as carrier materials. Examples of typical inorganic carrier materials are alkali carbonates, alumosilicates, water-soluble layered 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.
  • 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 sheet 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.
  • Silica-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 provided 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 non-ionic 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 with the aid of effective stirring and mixing devices.
  • fragrance compounds e.g. the synthetic products of the ester, ether, aldehyde, ketone, alcohol and hydrocarbon type.
  • Fragrance compounds of the ester type are e.g. Benzyl acetate, phenoxyethyl isobutyrate, p-tert-butylcyclohexyl acetate, Linalyl acetate, dimethylbenzylcarbinylacetate, phenylethyl acetate, linalylbenzoate, Benzyl formate, ethyl methylphenyl glycinate, allyl cyclohexyl propionate, styrallyl propionate and benzyl salicylate.
  • the ethers include, for example, benzyl ethyl ether, 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 the terpenes such as limonene and pinene.
  • perfume oils can also contain natural fragrance mixtures, as they are accessible 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, but they can also be advantageous to apply the fragrances on carriers, which the adhesion of the perfume to the laundry intensify and ensure a long-lasting fragrance of the textiles through a slower fragrance release.
  • Cyclodextrins for example, have proven successful as such carrier materials, the cyclodextrin-perfume complexes can also be coated with other auxiliaries.
  • the final preparations can also contain inorganic salts as fillers or fillers.
  • inorganic salts such as sodium sulfate, which is preferably in amounts of 0 to 10, in particular 1 to 5 wt .-% - based on agent - is included.
  • the detergent tablets can be produced using the new surfactant granules and further auxiliaries and additives, such as, for example, builders, in a manner known per se, for example by tableting.
  • the tablets 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 , where 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.
  • this advantageously takes place by melting agglomeration.
  • the solid detergents are in the form of tablets, these 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.
  • Comparative Example V Surfactant granules consisting of 40% by weight of C 12/18 coconut fatty alcohol + 7EO (Dehydol® LT7, Cognis Deutschland GmbH / DE) and 60% by weight of cellulose (Technocel® 150), produced by spray mixing granulation; Sieve fraction between 1.2 and 1.6 mm.
  • Comparative example V2 Surfactant granules consisting of 20% by weight C 12/18 coconut fatty alcohol + 7EO (Dehydol® LT7, Cognis Deutschland GmbH / DE) and 80% by weight zeolite A, produced by spray mixing granulation; Sieve fraction between 1.2 and 1.6 mm.
  • the surfactant granules H1, H2 and H3 as well as the two comparative samples were used in detergent formulations.
  • the preparations were pressed into tablets (weight 40 g, constant breaking hardness), packed airtight and then stored at 40 ° C. for 2 weeks.
  • the composition of the detergent tablets is shown in Table 1.
  • Formulations 1, 2 and 3 are according to the invention, formulations V1 and V2 are used for comparison.
  • To assess the dissolution behavior the tablets were placed on a wire rack which was in water (0 ° d, 25 ° C). The tablets were completely surrounded by water. The disintegration time from immersion to complete dissolution was measured. The disintegration times are also shown in Table 1.
  • Test formulation for detergent tablets and solubility tests (data in% by weight, water ad 100%) composition 1 2 3 V1 V2 C 12/18 coconut alcohol sulfate sodium salt 5.0 5.0 5.0 5.0 5.0 5.0 5.0 C 12/14 alkyl polyglucoside 6.0 6.0 2.6 6.0 6.0 Palmkemfett Textre sodium salt 2.0 2.0 2.0 2.0 2.0 2.0 H1 surfactant granules 14.0 - - - - Granules of surfactant H2 - 25.0 - - - H3 surfactant granules - - 19.0 - - Granular surfactant V1 - - - 12.5 - Granular surfactant V2 - - - - 25.0 sodium 2.0 2.0 2.0 2.0 2.0 2.0 2.0 Sodium percarbonate 12.0 12.0 12.0 12.0 cellulose 2.0 - - 5.0 15.0 Zeolite A 20 20 20 20 20 0 polycarboxylate 4.0 4.0 4.0 4.0 4.0 TAED 4.0 4.0 4.0

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Claims (10)

  1. Pastilles de produits de lavage,
    caractérisées en ce qu'
    elles renferment des granulés d'agents tensioactifs que l'on obtient par granulation et par compactage d'agents tensioactifs non ioniques du type des éthers mixtes hydroxylés, en présence d'agents de désagrégation.
  2. Pastilles de produits de lavage selon la revendication 1,
    caractérisées en ce qu'
    elles renferment des éthers mixtes hydroxylés de formule (I)
    Figure 00400001
    dans laquelle R1 représente un reste alkyle linéaire ou ramifié ayant de 2 à 18 atomes de carbone, R2 représente de l'hydrogène ou un reste alkyle linéaire ou ramifié ayant de 2 à 18 atomes de carbone, R3 représente de l'hydrogène ou un méthyle, R4 représente un reste alkyle et/ou alkényle linéaire ou ramifié ayant de 6 à 22 atomes de carbone, et n représente des nombres allant de 1 à 50, avec la précision que la somme du nombre d'atomes de carbone dans les restes R1 et R2 s'élève à au moins 4.
  3. Pastilles de produits de lavage selon les revendications 1 et/ou 2,
    caractérisées en ce qu'
    elles renferment des granulés qui comprennent en outre des agents tensioactifs associés choisis dans le groupe formé des alkylbenzènesulfonates, alkylsulfates, savons, alcanesulfonates, oléfinesulfonates méthylesters sulfonates, polyglucoléthers d'alcools gras, esters d'alkyle inférieur d'acide gras alkoxylés, alkyl- et/ou alkényloligoglycosides, esters d'ammonium quaternaire et/ou bétaïnes.
  4. Pastilles de produits de lavage selon au moins une des revendications 1 à 3,
    caractérisées en ce qu'
    elles renferment des granulés dont le composant agent de désagrégation est choisi dans le groupe formé des polysaccharides, polyacrylates, polyvinylpyrrolidone, polyuréthanes, polyéthylèneglycols, Kollidon, acide alginique, alginates et silicates lamellaires.
  5. Pastilles de produits de lavage selon au moins l'une des revendications 1 à 4,
    caractérisées en ce qu'
    elles renferment des granulés dans lesquels le rapport pondéral entre les agents tensioactifs et les agents de désagrégation est de 1 :10 à 10 :1.
  6. Pastilles de produits de lavage selon au moins une des revendications 1 à 5,
    caractérisées en ce qu'
    elles renferment les granulés d'agents tensioactifs en quantités de 1 à 50 % en poids - rapporté aux produits de lavage.
  7. Pastilles de produits de lavage selon au moins l'une des revendications 1 à 6,
    caractérisées en ce qu'
    elles renferment des granulés d'agents tensioactifs qui ont été compactés, avant, pendant ou après la granulation.
  8. Pastilles de produits de lavage selon au moins l'une des revendications 1 à 7,
    caractérisées en ce qu'
    elles renferment des granulés d'agents tensioactifs qui possèdent une granulométrie comprise dans la zone de 0,01 à 6 mm.
  9. Pastilles de produits de lavage selon au moins l'une des revendications 1 à 8,
    caractérisées en ce qu'
    elles renferment des granulés d'agents tensioactifs dont la proportion qui ne se situe pas dans la zone de granulométrie de 0,1 à 5 mm, représente moins de 25 % en poids.
  10. Pastilles de produits de lavage selon au moins l'une des revendications 1 à 9,
    caractérisées en ce qu'
    elles renferment en outre des agents de structuration.
EP00985168A 1999-12-24 2000-12-15 Pastilles de detergent Expired - Lifetime EP1240287B1 (fr)

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DE19962883 1999-12-24
DE19962883A DE19962883A1 (de) 1999-12-24 1999-12-24 Waschmitteltabletten
PCT/EP2000/012808 WO2001048132A1 (fr) 1999-12-24 2000-12-15 Pastilles de detergent

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US7087570B2 (en) 2006-08-08
WO2001048132A1 (fr) 2001-07-05
EP1240287A1 (fr) 2002-09-18
DE19962883A1 (de) 2001-07-12
ES2225284T3 (es) 2005-03-16
US20030027741A1 (en) 2003-02-06
DE50007093D1 (de) 2004-08-19

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