EP1212401A1 - Detergent tablets - Google Patents
Detergent tabletsInfo
- Publication number
- EP1212401A1 EP1212401A1 EP00964124A EP00964124A EP1212401A1 EP 1212401 A1 EP1212401 A1 EP 1212401A1 EP 00964124 A EP00964124 A EP 00964124A EP 00964124 A EP00964124 A EP 00964124A EP 1212401 A1 EP1212401 A1 EP 1212401A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- acid
- contain
- proteins
- alcohol
- detergent tablets
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- 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
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/06—Phosphates, including polyphosphates
-
- 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
- C11D3/38—Products with no well-defined composition, e.g. natural products
- C11D3/382—Vegetable products, e.g. soya meal, wood flour, sawdust
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/38—Products with no well-defined composition, e.g. natural products
- C11D3/384—Animal products
-
- 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
- C11D1/32—Protein hydrolysates; Fatty acid condensates thereof
Definitions
- the invention is in the field of shaped detergents and relates to tablets with surfactants, builders and disintegrants which additionally contain proteins or protein derivatives as additives.
- Detergents are available on the market that not only clean the laundry, but also give it a special soft feel.
- Preparations of this type which are often referred to as soft detergents, generally contain cationic surfactants of the tetraalkylammonium compound type, usually in combination with layered silicates, as finishing agents.
- the quaternary ammonium compounds mentioned are unsatisfactory in terms of their biodegradability, and it is also known that laundry treated with them can cause irritation to very sensitive consumers. In combination with anionic surfactants, undesirable salt formation can easily occur. For this reason, there is a lively interest in substitutes that are free from these disadvantages.
- the object of the present invention was to provide new shaped detergents, preferably in the form of tablets, which are no longer objectionable in terms of their ecotoxicological compatibility and are readily soluble under washing conditions, have adequate chemical resistance and, in particular, washability give excellent soft feel.
- the invention relates to detergent tablets containing
- the detergent tablets according to the invention excellently meet the requirements mentioned at the outset.
- the non-enzymatic proteins and protein derivatives are ideal substitutes for cationic surfactants, since they bring about a comparable finish, but are also chemically stable under alkaline conditions and offer no cause for complaint from an ecological or toxicological point of view.
- the detergents are preferably free from cationic surfactants.
- the detergents can contain anionic, nonionic and / or amphoteric or zwitterionic surfactants as component (a); however, anionic surfactants or combinations of anionic and nonionic surfactants are preferably present.
- anionic surfactants are soaps, alkylbenzene 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 (ether) sulfate monates, monoglyl ether sulfates and dialkyl sulfosuccinates, mono- and dialkyl sulfosuccinamates, sul
- anionic surfactants contain polyglycol ether chains, they 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 (I)
- R stands for a branched, but preferably linear alkyl radical having 10 to 18 carbon atoms
- Ph for a phenyl radical
- X for an alkali and / or alkaline earth metal, ammonium, alkylammonium, alkanolammonium or glucammonium.
- dodecylbenzenesulfonates, tetradecylbenzenesulfonates, hexadecylbenzenesulfonates and their technical mixtures in the form of the sodium salts are particularly suitable.
- 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 (II)
- R 2 represents a linear or branched, aliphatic alkyl and / or alkenyl radical having 6 to 22, preferably 12 to 18 carbon atoms and Y 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, arylselyl alcohol, elaidyl alcohol alcohol, gadoleyl alcohol, behenyl alcohol and erucyl alcohol and 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.
- 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 after 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 (III)
- R 3 CO represents a linear or branched, saturated or unsaturated acyl radical having 6 to 22 and preferably 12 to 18 carbon atoms and X represents 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, elaidic acid, elaidic acid, elaidic 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 polyglycol esters, fatty acid amide polyglycol ethers, fatty amine polyglycol ethers, alkoxylated triglycerides, mixed ethers or mixed formals, alk (en) yl oligoglycosides, fatty acid-N-alkylhydroglyl fatty acids, in particular vegetable-based polyglycol amides, protein-based glyceryl fatty acid products , Sugar esters, sorbitan esters, polysorbates and amine oxides.
- 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.
- R 4 represents a linear or branched alkyl and / or alkenyl radical having 6 to 22, preferably 12 to 18 carbon atoms
- R 5 represents hydrogen or methyl
- n 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, isostearyl alcohol , Elaidyl alcohol, petroselinyl alcohol, linolyl alcohol, linolenyl alcohol, elausestearyl 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
- R 6 CO is a linear or branched, saturated and / or unsaturated acyl radical having 6 to 22 carbon atoms
- R 7 is hydrogen or methyl
- R 8 is a linear or branched alkyl radical having 1 to 4 carbon atoms
- m 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, Ca.
- 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.
- Alkyl and alkenyl oligoglycosides which are also preferred nonionic surfactants, usually follow the formula (VI),
- R 9 represents an alkyl and / or alkenyl radical having 4 to 22 carbon atoms
- G represents a sugar radical having 5 or 6 carbon atoms
- p represents numbers from 1 to 10. They can be obtained according to the relevant procedures in preparative organic chemistry.
- 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.
- 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 9 can be derived from primary alcohols having 4 to 11, preferably 8 to 10, carbon atoms. Typical examples are butanol, capronalcohol, 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 9 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 the technical mixtures described above, which can be obtained as well as their technical mixtures.
- Alkyl oligoglucosides based on hydrogenated Ci2 / 14 coconut alcohol with a DP of 1 to 3 are preferred.
- amphoteric or zwitterionic surfactants are alkyl betaines, alkyl amido betaines, aminopropionates, aminoglycinates, imidazolinium betaines and sulfobetaines.
- the surfactants mentioned are exclusively known compounds. With regard to the structure and manufacture of these substances, reference is made to relevant reviews, for example, J.Falbe (ed.), "Surfactants in Consumer Products", Springer Verlag, Berlin, 1987, pp. 54-124 or J.Falbe (ed.), “Catalysts, Tenside und Mineralöladditive ", Thieme Verlag, Stuttgart, 1978, pp. 123-217.
- the detergents can contain the surfactants in amounts of 1 to 50, preferably 5 to 25 and in particular 10 to 20% by weight, based on the detergents.
- Non-enzymatic proteins and their derivatives which are preferably protein hydrolyzates and / or protein fatty acid condensates, are known substances that are used, for example, in skin care products [cf. Soap-Fat-Oil-Waxes, 108, 177 (1982)].
- the addition “non-enzymatic” was chosen in order to distinguish the substances from typical detergent enzymes which are not used in the sense of the invention.
- non-enzymatic proteins that can be used in the agents according to the invention are keratin, Elastin, collagen, wheat proteins, milk proteins, protein proteins, silk proteins, almond proteins, soy proteins and other cereal proteins, as well as proteins from animal skins Degradation products of these animal or vegetable proteins, which are cleaved by acidic, alkaline and / or enzymatic hydrolysis and then have an average molecular weight in the range from 600 to 4000, preferably 2000 to 3500.
- protein hydrolyzates do not represent a surfactant in the classic sense due to the lack of a hydrophobic residue, they are widely used for the formulation of surface-active agents because of their dispersing properties.
- Protein hydrolyzates are, for example, from G. Schuster and A. Domsch in Seifen ⁇ le Fette Wachsen, 108, 177 (1982) and Cosm.Toil. 99, 63 (1984), by HW Steisslinger in Parf. Kosm. 72, 556 (1991) and F. Aurich et al. in Tens.Surf.Det. 29, 389 (1992).
- Protein fatty acid condensates are obtained by reacting the protein hydrolysates mentioned with fatty acids which generally contain 6 to 22 and preferably 12 to 18 carbon atoms in the acyl radical.
- the condensates are usually used in the form of their alkali, alkaline earth, ammonium, alkylammonium or alkanolammonium salts.
- Typical examples are the condensation products of wheat or soy protein hydrolyzates with 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, linoleic acid, linoleic acid, linoleic acid , Behenic acid and erucic acid and their technical mixtures.
- the agents according to the invention can contain the proteins or protein derivatives in amounts of 0.1 to 10, preferably 1 to 8 and in particular 3 to 5% by weight, based on the agents.
- the detergent tablets according to the invention contain phosphates as builders (component c).
- phosphates as builders (component c).
- the sodium salts of orthophosphates, pyrophosphates and in particular tripolyphosphates are particularly suitable. In some cases, it has been shown that tripolyphosphates in particular, even in small amounts up to a maximum of 10% by weight, based on the finished agent, in combination with other builder substances lead to a synergistic improvement in the secondary washing ability.
- the phosphates are preferably contained in the final preparations in amounts of 10 to 60, in particular 15 to 25,% by weight, based on the composition.
- disintegrant component d
- component d is to be understood as substances which are added to the shaped bodies in order to accelerate their disintegration when brought into contact with water. Overviews can be found, for example, in J.Pharm.Sci. 61 (1972) or Römpp Chemilexikon, 9th edition, volume 6, p. 4440.
- the disintegrants can be present homogeneously distributed in the molded body, macroscopically, microscopically, however, they form zones of increased concentration due to the manufacturing process.
- the preferred disintegrants include polysaccharides, such as, for example, natural starch and its derivatives (carboxymethyl starch, starch glycolates in the form of their alkali salts, agar agar, guar gum, pectins, etc.), celluloses and their derivatives (carboxymethyl cellulose, microcrystalline cellulose), polyvinylpyrrolidone, collidone, alginic acid and their alkali salts, amorphous or also partially crystalline layered silicates (bentonites), polyurethanes, polyethylene glycols and gas-generating systems.
- polysaccharides such as, for example, natural starch and its derivatives (carboxymethyl starch, starch glycolates in the form of their alkali salts, agar agar, guar gum, pectins, etc.), celluloses and their derivatives (carboxymethyl cellulose, microcrystalline cellulose), polyvinylpyrrolidone, collidone,
- disintegrants which may be present in the sense of the invention are, for example, the publications WO 98/40462 (Rettenmeyer), WO 98/55583 and WO 98/55590 (Unilever) and WO 98/40463, DE 19709991 and DE 19710254 (Henkel) refer to. 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.
- Further preferred ingredients of the detergents according to the invention are additional inorganic and organic builder substances, zeolites, crystalline layered silicates or amorphous silicates with builder properties being mainly used as inorganic builder substances.
- 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 Crosf ⁇ eld) is particularly preferred.
- zeolite X and mixtures of A, X and / or P and Y are also suitable.
- a cocrystallized sodium / potassium aluminum silicate made of zeolite A and zeolite X, which as VEGOBOND AX ® (commercial product of the company 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 manufacture.
- the zeolite may contain minor additions of nonionic surfactants as stabilizers, for example 1 to 3% by weight, based on zeolite, of ethoxylated Ci2-C ⁇ s fatty alcohols with 2 to 5 ethylene oxide groups, Ci2 -Ci4 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 ⁇ 2x + ryH2 ⁇ , where M is sodium or hydrogen indicates 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 ⁇ Si ⁇ Os'yH ⁇ 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.
- smectites in particular bentonites, are preferred here.
- Suitable sheet silicates, which belong to the group of water-swellable smectites are, for example, those of the general 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 of 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.
- Layer 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 Na2 ⁇ : SiO ⁇ 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 are microcrystalline Have ranges 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. Compressed / compacted amorphous silicates, compounded amorphous silicates and over-dried X-ray amorphous silicates are particularly preferred.
- Usable organic builders are, for example, 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 is not objectionable for ecological reasons, 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.
- 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 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 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 Ce of the saccharide ring can be particularly advantageous.
- Suitable cobuilders are oxydisuccinates and other derivatives of disuccinates, preferably ethylenediamine disuccinate.
- glycerol disuccinates and glycerol trisuccinates are also particularly preferred, as are described, for example, in US Pat. Nos. 4,524,009, 4,639,325, European Patent Application EP 0150930 A1 and Japanese Patent Application JP 93/339896.
- Suitable amounts used in formulations containing zeolite and / or silicate are 3 to 15% by weight.
- organic cobuilders are, for example, acetylated hydroxycarboxylic acids or their salts, which may also be in lactone form and which contain at least 4 carbon atoms and at least one hydroxyl group and a maximum of 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, of monomeric 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 contain acrolein and acrylic acid / acrylic acid salts or acrolein and vinyl acetate as monomers.
- polymeric aminodicarboxylic acids are also salts or their precursor substances.
- Polyaspartic acids or their salts and derivatives are particularly preferred.
- Other suitable builder substances are 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 which have a positive influence on the oil and fat washability from 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 of hydroxypropoxyl groups of 1 to 15% by weight, in each case based on the nonionic Cellulose ethers, as well as the polymers of phthalic acid and / or terephthalic acid or their derivatives known from the prior art, in particular polymers of ethylene terephthalates and / or polyethylene glycol terephthalates or anionically and / or nonionically modified derivatives thereof. Of these, the sulfonated derivatives of phthalic acid and terephthalic acid polymers are particularly preferred.
- 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 ⁇ O: SiO 2 from 1: 1 to 1: 4.5, preferably from 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 contain other known additives, for example salts of polyphosphonic acids, optical brighteners, enzymes, enzyme stabilizers, defoamers, small amounts of neutral filler salts and colorants and fragrances and the like.
- sodium perborate tetrahydrate and sodium perborate monohydrate are of particular importance.
- Other usable bleaching agents are, for example, sodium percarbonate, peroxypyrophosphates, citrate perhydrates and H2O2-delivering 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 boron 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. Substances which carry 0- and / or N-acyl groups of the number of carbon atoms mentioned and / or optionally substituted benzoyl groups are suitable.
- 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 196 05 688 and copper complexes with nitrogen-containing tripod ligands, the cobalt, iron, copper and ruthenium amine complexes known from German patent application DE 19620411 A1, the manganese, copper and cobalt described in German patent application DE 4416438 A1.
- 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.
- Particularly suitable enzymes are 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 to bleach or inhibit 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 microfibri
- 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 are, for example, from protease and amylase or protease and lipase or lipolytically active enzymes or protease and cellulase or from celluiase and lipase or lipolytically active enzymes or from protease, amylase and lipase or lipolytically active enzymes or protease, lipase or lipolytically active enzymes and cellulase, in particular, however, mixtures containing protease and / or lipase or mixtures with lipolytically active 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, pululanases 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 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 (H3BO3), metaboric acid (HBO2) and pyrobic acid (tetraboric acid H2B ⁇ 7), is particularly advantageous.
- Graying inhibitors have the task of keeping the dirt detached from the fiber suspended in the liquor and thus preventing the dirt from being re-absorbed.
- Water-soluble colloids of mostly organic nature are suitable for this, 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 of cellulose or starch.
- Water-soluble polyamides containing acidic groups are also suitable for this purpose. Soluble starch preparations and starch products other than those mentioned above can also be used, e.g. degraded starch, aldehyde starches, etc. Polyvinylpyrrolidone can also be used.
- cellulose ethers such as carboxymethyl cellulose (sodium salt), methyl cellulose, hydroxyalkyl cellulose and mixed ethers, such as methyl hydroxyethyl cellulose, methyl hydroxypropyl cellulose, methyl carboxymethyl cellulose and mixtures thereof, and polyvinylpyrrolidone, for example in amounts of 0.1 to 5% by weight, are preferred on the means.
- 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 the same structure which instead of the morpho- linino group carry a diethanolamino group, a methylamino group, an anilino group or a 2-methoxyethylamino group.
- Brighteners of the substituted diphenylstyrene 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) diphenyl. 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, the molar ratio of ethylene terephthalate to polyethylene glycol terephthalate being in the range from 50:50 to 90:10.
- the molecular weight of the linking polyethylene glycol units is in particular in the range from 750 to 5000, ie 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, 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.
- polymers which have linking 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.
- Compounds which have a melting point at atmospheric pressure above 25 ° C. (room temperature), preferably above 50 ° C. and in particular above 70 ° C. are understood as “waxy”.
- the waxy defoamer substances are practically insoluble in water, ie at 20 ° C. they have a solubility of less than 0.1% by weight in 100 g of water.
- all wax-like defoamer substances known from the prior art can be present.
- Suitable wax-like 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.
- the silicone compounds known for this purpose can of course also be used.
- Suitable paraffin waxes generally represent 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. For example, 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.
- paraffins or paraffin mixtures are used which solidify in the range of 30 C to 90 C ° C. 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. 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 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 are derived from saturated fatty acids with 12 to 22, preferably 14 to 18 C atoms and from alkylenediamines with 2 to 7 C atoms.
- Suitable fatty acids are lauric acid, myristic acid, stearic acid, arachic acid and behenic acid and mixtures thereof, as can be obtained from natural fats or hydrogenated oils, such as tallow or hydrogenated palm oil.
- Suitable diamines are, for example, ethylene diamine, 1,3-propylene diamine, tetramethylene diamine, pentamethylene diamine, hexamethylene diamine, p-phenylene diamine and tolylene diamine.
- Preferred diamines are ethylenediamine and hexamethylenediamine.
- Particularly preferred bisamides are bismyristoylethylene diamine, bispalmitoylethylene diamine, bisstearoylethylene diamine and mixtures thereof and the corresponding derivatives of hexamethylene diamine.
- 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 rat sorbitan, sorbitan Sorbitanmonolau-, Sorbitandilaurat, sorbitan, sorbitan dioleate, and sorbitan mixed tallow alkyl 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, glycene monobehenate and glycerol distearate are examples of this.
- suitable natural esters as defoamers are beeswax, which is mainly consists of the esters CH 3 (CH2) 2 COO (CH 2 ) 27CH3 and CH3 (CH 2 ) 26COO (CH 2 ) 25CH3, and camauba wax, which is a mixture of alkyl camauba acid, often in combination with small amounts of free carnauba acid, and others long chain acids, high molecular weight 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 asymmetrical or symmetrical, i.e. 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.
- 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 according to the German laid-open specification DE 2553900 OS.
- Suitable fatty 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, 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.
- 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 which are known from the prior art are particularly preferred. However, compounds crosslinked via siloxane can also be used, as are known to the person skilled in the art under the name silicone resins. As a rule, the polydiorganosiloxanes contain finely divided silica, which can also be silanized. Silica-containing dimethylpolysiloxanes are particularly suitable.
- the polydiorganosiloxanes advantageously have a Brookfield viscosity at 25 ° C. in the range from 5,000 mPas to 30,000 mPas, in particular from 15,000 to 25,000 mPas.
- the silicones are preferably applied to carrier materials. Suitable carrier materials have already been described in connection with the paraffins.
- the carrier materials are generally present in amounts of 40 to 90% by weight, preferably in amounts of 45 to 75% by weight, based on defoamers.
- fragrance compounds e.g. the synthetic products of the ester, ether, aldehyde, ketone, alcohol and hydrocarbon type are used.
- 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, ethylmethylphenylglycinate, allylcyclohexylpropionate, styrallylpropionate and benzylsapionate and benzylsapionate.
- 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.
- perfume oils can also contain natural fragrance mixtures 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, but it can also be advantageous to apply the fragrances to carriers which increase the adhesion of the perfume to the laundry and ensure a long-lasting fragrance of the textiles by slower fragrance release.
- Cyclodextrins for example, have proven useful as such carrier materials, and the cyclodextrin-perfume complexes can additionally be coated with further auxiliaries.
- the final preparations can also contain inorganic salts as fillers or fillers, such as sodium sulfate, which is preferably present in amounts of 0 to 10, in particular 1 to 5% by weight, based on the composition.
- the molded articles 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 agents , which have these so-called fines as an outer shell. In turn, this advantageously takes place by melting agglomeration.
- 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. Examples
- Examples 1 to 5 comparative examples V1 and V2.
- a washing machine Miele W 918
- 3.5 kg of standard laundry and a terry towel which was washed twice with a universal detergent for pretreatment
- Two detergent tablets 40 g
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Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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DE19944218 | 1999-09-15 | ||
DE19944218A DE19944218A1 (en) | 1999-09-15 | 1999-09-15 | Detergent tablets |
PCT/EP2000/008687 WO2001019951A1 (en) | 1999-09-15 | 2000-09-06 | Detergent tablets |
Publications (2)
Publication Number | Publication Date |
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EP1212401A1 true EP1212401A1 (en) | 2002-06-12 |
EP1212401B1 EP1212401B1 (en) | 2006-11-29 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP00964124A Expired - Lifetime EP1212401B1 (en) | 1999-09-15 | 2000-09-06 | Detergent tablets |
Country Status (5)
Country | Link |
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US (1) | US6951838B1 (en) |
EP (1) | EP1212401B1 (en) |
DE (2) | DE19944218A1 (en) |
ES (1) | ES2277595T3 (en) |
WO (1) | WO2001019951A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1820844A1 (en) * | 2006-02-15 | 2007-08-22 | The Procter and Gamble Company | Bleach-Free Detergent Tablet |
EP2620211A3 (en) | 2012-01-24 | 2015-08-19 | Takasago International Corporation | New microcapsules |
Family Cites Families (90)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE164514C (en) | ||||
DE280223C (en) | ||||
DE301298C (en) | ||||
DE496510C (en) | 1930-04-24 | Vermeta G M B H | Portfolio or suitcase lock | |
BE617684A (en) | 1961-05-15 | |||
US4118332A (en) * | 1965-10-22 | 1978-10-03 | Colgate-Palmolive Company | Synergistic antibacterial composition containing mixtures of certain halogenated diphenyl ethers and trichlorocarbanilides |
US3594324A (en) | 1968-05-24 | 1971-07-20 | Stauffer Chemical Co | Detergent composition containing a synergistic combination of emc and gelatin as soil suspension agents |
FR2147443A5 (en) | 1971-07-28 | 1973-03-09 | Dynachim Sarl | Neutral detergents without phosphates - for all fibre types |
ZA734721B (en) | 1972-07-14 | 1974-03-27 | Procter & Gamble | Detergent compositions |
US3957967A (en) * | 1973-07-27 | 1976-05-18 | Blendax-Werke R. Schneider & Co. | Agent for the care and the cleaning of teeth and dentures |
GB1455873A (en) | 1973-08-24 | 1976-11-17 | Procter & Gamble | Textile-softening detergent compositions |
US4076800A (en) * | 1975-01-13 | 1978-02-28 | The Procter & Gamble Company | Protein-containing detergent compositions for protecting keratinous materials |
GB1529841A (en) | 1975-01-13 | 1978-10-25 | Procter & Gamble Ltd | Detergent compositions |
GB1536136A (en) | 1975-03-03 | 1978-12-20 | Unilever Ltd | Detergent composition |
DE2553900A1 (en) | 1975-12-01 | 1977-06-08 | Konrad Ruckstuhl | Baled bagasse prodn. - with disintegration by hammer mill and sepn. of particles into different-sized fractions after initial external treatments e.g. sieving |
EP0026529B2 (en) | 1979-09-29 | 1992-08-19 | THE PROCTER & GAMBLE COMPANY | Detergent compositions |
DE3066202D1 (en) | 1979-11-03 | 1984-02-23 | Procter & Gamble | Granular laundry compositions |
US4524009A (en) | 1984-01-31 | 1985-06-18 | A. E. Staley Manufacturing Company | Detergent builder |
CA1238917A (en) | 1984-01-31 | 1988-07-05 | Vivian B. Valenty | Detergent builder |
DE3413571A1 (en) | 1984-04-11 | 1985-10-24 | Hoechst Ag, 6230 Frankfurt | USE OF CRYSTALLINE LAYERED SODIUM SILICATES FOR WATER SOFTENING AND METHOD FOR WATER SOFTENING |
US4639325A (en) | 1984-10-24 | 1987-01-27 | A. E. Staley Manufacturing Company | Detergent builder |
DE3526405A1 (en) | 1985-07-24 | 1987-02-05 | Henkel Kgaa | LAYERED SILICATES WITH RESTRICTED SOURCE, PROCESS FOR THEIR PRODUCTION AND THEIR USE IN DETERGENT AND CLEANING AGENTS |
FR2597473B1 (en) | 1986-01-30 | 1988-08-12 | Roquette Freres | PROCESS FOR THE OXIDATION OF DI-, TRI-, OLIGO- AND POLYSACCHARIDES TO POLYHYDROXYCARBOXYLIC ACIDS, CATALYST IMPLEMENTED AND PRODUCTS THUS OBTAINED. |
GB8629837D0 (en) | 1986-12-13 | 1987-01-21 | Interox Chemicals Ltd | Bleach activation |
DE3706036A1 (en) | 1987-02-25 | 1988-09-08 | Basf Ag | POLYACETALS, METHOD FOR THE PRODUCTION THEREOF FROM DIALDEHYDES AND POLYOLCARBONIC ACIDS AND USE OF THE POLYACETALS |
DE3723826A1 (en) | 1987-07-18 | 1989-01-26 | Henkel Kgaa | METHOD FOR PRODUCING ALKYL GLYCOSIDES |
DE3732947A1 (en) | 1987-09-30 | 1989-04-13 | Henkel Kgaa | FOAM REGULATOR SUITABLE FOR USE IN WASHING AND CLEANING AGENTS |
US5576425A (en) | 1988-10-05 | 1996-11-19 | Henkel Kommanditgesellschaft Auf Aktien | Process for the direct production of alkyl glycosides |
DE3833780A1 (en) | 1988-10-05 | 1990-04-12 | Henkel Kgaa | METHOD FOR THE DIRECT PRODUCTION OF ALKYL GLYCOSIDES |
GB8908416D0 (en) | 1989-04-13 | 1989-06-01 | Unilever Plc | Bleach activation |
ATE124960T1 (en) | 1989-11-10 | 1995-07-15 | Tno | METHOD FOR PRODUCING POLYDICARBOXYSACHARIDES. |
YU221490A (en) | 1989-12-02 | 1993-10-20 | Henkel Kg. | PROCEDURE FOR HYDROTHERMAL PRODUCTION OF CRYSTAL SODIUM DISILICATE |
GB9003741D0 (en) | 1990-02-19 | 1990-04-18 | Unilever Plc | Bleach activation |
US5041232A (en) | 1990-03-16 | 1991-08-20 | Lever Brothers Company, Division Of Conopco, Inc. | Sulfonimines as bleach catalysts |
US5047163A (en) | 1990-03-16 | 1991-09-10 | Lever Brothers Company, Division Of Conopco, Inc. | Activation of bleach precursors with sulfonimines |
GB2242130A (en) * | 1990-03-20 | 1991-09-25 | Infowise Ltd | Cleaning and sanitising tablets manufactured by direct compression |
EP0458397B1 (en) | 1990-05-21 | 1997-03-26 | Unilever N.V. | Bleach activation |
IT1249883B (en) | 1990-08-13 | 1995-03-30 | Ferruzzi Ricerca & Tec | CALCIUM SEQUESTRING AGENTS BASED ON OXIDIZED CARBOHYDRATES AND THEIR USE AS BUILDER FOR DETERGENTS |
IT1245063B (en) | 1991-04-12 | 1994-09-13 | Ferruzzi Ricerca & Tec | PROCEDURE FOR OXIDATION OF CARBOHYDRATES |
DE69126778T2 (en) | 1991-07-31 | 1998-01-02 | Ausimont Spa | Process for increasing the bleaching efficiency of an inorganic persalt |
DE4134914A1 (en) | 1991-10-23 | 1993-04-29 | Henkel Kgaa | DETERGENT AND CLEANING AGENT WITH SELECTED BUILDER SYSTEMS |
ATE166362T1 (en) | 1991-11-14 | 1998-06-15 | Procter & Gamble | C6/C2-C3 OXIDIZED STARCH AS A DETERGENT INGREDIENT |
US5194416A (en) | 1991-11-26 | 1993-03-16 | Lever Brothers Company, Division Of Conopco, Inc. | Manganese catalyst for activating hydrogen peroxide bleaching |
EP0544490A1 (en) | 1991-11-26 | 1993-06-02 | Unilever Plc | Detergent bleach compositions |
CA2085642A1 (en) | 1991-12-20 | 1993-06-21 | Ronald Hage | Bleach activation |
GB9127060D0 (en) | 1991-12-20 | 1992-02-19 | Unilever Plc | Bleach activation |
DE4221381C1 (en) | 1992-07-02 | 1994-02-10 | Stockhausen Chem Fab Gmbh | Graft copolymers of unsaturated monomers and sugars, process for their preparation and their use |
DE4203923A1 (en) | 1992-02-11 | 1993-08-12 | Henkel Kgaa | METHOD FOR PRODUCING POLYCARBOXYLATES ON A POLYSACCHARIDE BASE |
JPH05339896A (en) | 1992-06-03 | 1993-12-21 | Arakawa Chem Ind Co Ltd | Paper sizing agent and paper sizing |
DE4300772C2 (en) | 1993-01-14 | 1997-03-27 | Stockhausen Chem Fab Gmbh | Water-soluble, biodegradable copolymers based on unsaturated mono- and dicarboxylic acids, process for their preparation and their use |
DE4303320C2 (en) | 1993-02-05 | 1995-12-21 | Degussa | Detergent composition having improved soil carrying power, process for its preparation and use of a suitable polycarboxylate therefor |
JP3238406B2 (en) | 1993-05-20 | 2001-12-17 | ザ、プロクター、エンド、ギャンブル、カンパニー | Bleaching compounds containing substituted benzoylcaprolactam bleach activators |
BR9406306A (en) | 1993-05-20 | 1995-12-26 | Procter & Gamble | Bleaching compositions comprising n-acyl caprolactam activators |
CA2161213A1 (en) | 1993-05-20 | 1994-12-08 | Alan David Willey | Bleaching compounds comprising n-acyl caprolactam for use in hand-wash or other low-water cleaning systems |
DE4317519A1 (en) | 1993-05-26 | 1994-12-01 | Henkel Kgaa | Production of polysaccharide-based polycarboxylates |
IL109705A (en) * | 1993-06-17 | 1998-07-15 | Allergan Inc | Enzyme compositions and methods for contact lens cleaning |
US5405413A (en) | 1993-06-24 | 1995-04-11 | The Procter & Gamble Co. | Bleaching compounds comprising acyl valerolactam bleach activators |
NL194919C (en) | 1993-09-07 | 2003-07-04 | Tno | Process for oxidizing carbohydrates. |
NL9301905A (en) | 1993-11-04 | 1995-06-01 | Inst Voor Agrotech Onderzoek | Method for oxidizing carbohydrates. |
DE4400024A1 (en) | 1994-01-03 | 1995-07-06 | Henkel Kgaa | Silicate builders and their use in detergents and cleaning agents as well as multi-component mixtures for use in this field |
DE4402851A1 (en) | 1994-01-31 | 1995-08-03 | Henkel Kgaa | Fluid bed oxidation process for the production of polysaccharide-based polycarboxylates |
DE4416438A1 (en) | 1994-05-10 | 1995-11-16 | Basf Ag | Mononuclear or multinuclear metal complexes and their use as bleaching and oxidation catalysts |
DE4417734A1 (en) | 1994-05-20 | 1995-11-23 | Degussa | Polycarboxylates |
ES2221665T3 (en) | 1994-07-21 | 2005-01-01 | Ciba Specialty Chemicals Holding Inc. | COMPOSITION OF WHITENING OF FABRICS. |
FR2723858B1 (en) * | 1994-08-30 | 1997-01-10 | Ard Sa | PROCESS FOR THE PREPARATION OF SURFACTANTS FROM WHEAT BY-PRODUCTS AND NOVEL ALKYL XYLOSIDES |
GB9419091D0 (en) | 1994-09-22 | 1994-11-09 | Cerestar Holding Bv | Process for decreasing the build up of inorganic incrustations on textiles and detergent composition used in such process |
DE4443177A1 (en) | 1994-12-05 | 1996-06-13 | Henkel Kgaa | Activator mixtures for inorganic per compounds |
DE19524287A1 (en) | 1995-07-06 | 1997-01-09 | Henkel Kgaa | Highly compacted detergent with good cold water solubility or dispersibility - comprises compacted core of active and auxiliary substances coated with relatively coarse particles of same substances with the aid of a solid, cold water soluble binder. |
DE19547457A1 (en) | 1995-12-19 | 1997-06-26 | Henkel Kgaa | Multi-component pourable detergent |
DE19529905A1 (en) | 1995-08-15 | 1997-02-20 | Henkel Kgaa | Activator complexes for peroxygen compounds |
DE19536082A1 (en) | 1995-09-28 | 1997-04-03 | Henkel Kgaa | Use of transition metal complex as activator for peroxy cpd. |
DE19600018A1 (en) | 1996-01-03 | 1997-07-10 | Henkel Kgaa | Detergent with certain oxidized oligosaccharides |
DE19605688A1 (en) | 1996-02-16 | 1997-08-21 | Henkel Kgaa | Transition metal complexes as activators for peroxygen compounds |
DE19613103A1 (en) | 1996-04-01 | 1997-10-02 | Henkel Kgaa | Systems containing transition metal complexes as activators for peroxygen compounds |
DE19620411A1 (en) | 1996-04-01 | 1997-10-02 | Henkel Kgaa | Transition metal amine complexes as activators for peroxygen compounds |
DE19616693A1 (en) | 1996-04-26 | 1997-11-06 | Henkel Kgaa | Enol esters as bleach activators for detergents and cleaning agents |
DE19616770A1 (en) | 1996-04-26 | 1997-11-06 | Henkel Kgaa | Acyl lactams as bleach activators for detergents and cleaning agents |
DE19616767A1 (en) | 1996-04-26 | 1997-11-06 | Henkel Kgaa | Bleach activators for detergents and cleaning agents |
DE19616769A1 (en) | 1996-04-26 | 1997-11-06 | Henkel Kgaa | Acylacetals as bleach activators for detergents and cleaning agents |
DE19620267A1 (en) | 1996-05-20 | 1997-11-27 | Henkel Kgaa | Catalytically active activator complexes with N¶4¶ ligands for peroxygen compounds |
DE19701896A1 (en) * | 1997-01-21 | 1998-07-23 | Clariant Gmbh | Granular secondary alkane sulfonate |
DE19709991C2 (en) | 1997-03-11 | 1999-12-23 | Rettenmaier & Soehne Gmbh & Co | Detergent compact and process for its manufacture |
DE19710254A1 (en) | 1997-03-13 | 1998-09-17 | Henkel Kgaa | Shaped or active cleaning moldings for household use |
GB2327949A (en) | 1997-08-02 | 1999-02-10 | Procter & Gamble | Detergent tablet |
DE19803409A1 (en) * | 1998-01-28 | 1999-07-29 | Henkel Kgaa | Multiphase laundry detergent tablets exhibiting high hardness and rapid disintegration |
DE19808757B4 (en) * | 1998-03-02 | 2007-09-20 | Henkel Kgaa | Fragrance beads in detergent tablets |
DE19818965A1 (en) * | 1998-04-28 | 1999-11-04 | Henkel Kgaa | Detergent tablets with improved disintegration properties |
DE19824743A1 (en) * | 1998-06-03 | 1999-12-09 | Henkel Kgaa | Fracture-stable and quick-dissolving detergent tablets |
DE19828579A1 (en) * | 1998-06-26 | 1999-12-30 | Henkel Kgaa | Production of laundry detergent tablets useful in domestic washing machine |
DE19831707A1 (en) * | 1998-07-15 | 2000-01-20 | Henkel Kgaa | Production of detergent or washing agent combining high hardness with rapid disintegration in use by method involving pre-mixing a fatty alcohol sulfate paste with the surfactant component in a granulator |
-
1999
- 1999-09-15 DE DE19944218A patent/DE19944218A1/en not_active Withdrawn
-
2000
- 2000-09-06 ES ES00964124T patent/ES2277595T3/en not_active Expired - Lifetime
- 2000-09-06 WO PCT/EP2000/008687 patent/WO2001019951A1/en active IP Right Grant
- 2000-09-06 EP EP00964124A patent/EP1212401B1/en not_active Expired - Lifetime
- 2000-09-06 DE DE50013819T patent/DE50013819D1/en not_active Expired - Fee Related
- 2000-09-06 US US10/088,340 patent/US6951838B1/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO0119951A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2001019951A1 (en) | 2001-03-22 |
US6951838B1 (en) | 2005-10-04 |
ES2277595T3 (en) | 2007-07-16 |
EP1212401B1 (en) | 2006-11-29 |
DE50013819D1 (en) | 2007-01-11 |
DE19944218A1 (en) | 2001-03-29 |
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