EP3877493A1 - Wasch- und reinigungsmittel mit verbesserter leistung - Google Patents
Wasch- und reinigungsmittel mit verbesserter leistungInfo
- Publication number
- EP3877493A1 EP3877493A1 EP19801245.2A EP19801245A EP3877493A1 EP 3877493 A1 EP3877493 A1 EP 3877493A1 EP 19801245 A EP19801245 A EP 19801245A EP 3877493 A1 EP3877493 A1 EP 3877493A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- weight
- acid
- agents
- washing
- soiling
- 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
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/34—Organic compounds containing sulfur
- C11D3/349—Organic compounds containing sulfur additionally containing nitrogen atoms, e.g. nitro, nitroso, amino, imino, nitrilo, nitrile groups containing compounds or their derivatives or thio urea
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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
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/34—Organic compounds containing sulfur
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/0005—Other compounding ingredients characterised by their effect
- C11D3/0084—Antioxidants; Free-radical scavengers
Definitions
- the present invention relates to the use of catechol disulfonamides in detergents and cleaning agents to improve the washing or cleaning performance.
- the polymerizable substances are primarily polyphenolic dyes, preferably flavonoids, in particular from the class of anthocyanidins or anthocyanins.
- the soiling can in particular have been caused by food products or beverages that contain the corresponding colorants.
- the soiling can be, in particular, stains from fruits or vegetables or also red wine stains, which in particular contain polyphenolic dyes, especially those from the class of anthocyanidins or anthocyanins.
- a first subject of the present invention is therefore the use of compounds of general formula (I) in which R 1 , R 2 , R 3 and R 4 independently of one another represent hydrogen or a cyclic or acyclic, straight-chain or branched-chain, aliphatic or aromatic hydrocarbon radical having 1 to 20, preferably 1 to 10 carbon atoms, the backbone of which is not adjacent by one or more Heteroatoms, in particular selected from O and / or N, can be broken and / or can be substituted on the C atoms not connected with heteroatoms with OH groups or NH2 groups, where R 1 and R 2 and / or R 3 and R 4 can also be part of a heterocycle formed from them and the N atom bonded to them, in detergents or cleaning agents to improve the washing or cleaning performance against bleachable soiling.
- R 1 , R 2 , R 3 and R 4 independently of one another represent hydrogen or a cyclic or acyclic, straight-chain or branched-chain, aliphatic or aromatic hydrocarbon
- the bleachable soils usually contain polymerizable substances, in particular polymerizable dyes, the polymerizable dyes preferably being polyphenolic dyes, in particular flavonoids, especially anthocyanidins or anthocyanins or oligomers of these compounds.
- polymerizable substances in particular polymerizable dyes
- the polymerizable dyes preferably being polyphenolic dyes, in particular flavonoids, especially anthocyanidins or anthocyanins or oligomers of these compounds.
- that of soiling in intermediate colors in particular violet, purple, brown, purple or pink
- soiling which is a green, yellow, red, violet can also be considered , purple, brown, purple, pink or blue tint without essentially consisting entirely of this color.
- the colors mentioned can in particular also be light or dark.
- food products such as spices, sauces, chutneys, curries, purees and jams
- beverages such as coffee, tea, wines and Juices containing the corresponding green, yellow, red, violet, purple, brown, purple, pink and / or blue colorants.
- the soiling to be removed according to the invention can in particular be caused by cherry, morelle, grape, apple, pomegranate, aronia, plum, sea buckthorn, agai, kiwi, mango, grass, or berries, especially red or black currants, elderberries, blackberries, raspberries , Blueberries, cranberries, cranberries, strawberries or blueberries, through coffee, tea, red cabbage, blood orange, eggplant, tomato, carrot, beetroot, spinach, bell pepper, red-fleshed or blue-fleshed potato, or red onion.
- R 1 and R 3 and / or R 2 and R 4 are preferably the same.
- the preferred compounds of the general formula (I) also include those in which R 1 , R 2 , R 3 and R 4 are selected independently of one another from hydrogen, the methyl group, the ethyl group, the n-propyl group and the iso-propyl group. If R 1 and R 2 and / or R 3 and R 4 are part of a heterocycle formed from them and the N atom, this is preferably a pyrrolidine, piperidine or morpholine ring.
- the use of the compound of the general formula (I) according to the invention is preferably carried out in detergents or cleaning agents by adding them in an amount of from 0.001% by weight to 20% by weight, in particular in an amount of from 0.01% by weight to 10% by weight is used, the details of “% by weight” here and below refer to the weight of the entire detergent or cleaning agent.
- Another object of the invention is therefore a washing or cleaning agent containing surfactant and a compound of the general formula (I) defined above in an amount of preferably 0.001% by weight to 20% by weight, in particular
- Such an agent is used in conventional machine or manual washing or cleaning processes in which soiled laundry or a soiled hard surface is exposed to an aqueous liquor containing the agent with the aim of removing the soiling from the textile or hard surface.
- the washing or cleaning agent can be present in any dosage form established according to the prior art and / or in any expedient form. These include, for example, solid, powder, liquid, gel or pasty dosage forms, possibly also consisting of several phases; it also includes, for example: extrudates, granules, tablets or pouches, both in large containers and packaged in portions.
- the use according to the invention is carried out in a washing and cleaning agent which contains no oxidative bleaching agents.
- the agent contains no oxidative bleaching agents in the narrower sense, which include hypochlorites, hydrogen peroxide or substances providing hydrogen peroxide and peroxyacids; it preferably also has no bleach activators and / or bleach catalysts.
- the washing or cleaning agent which contains a compound of the general formula (I) may contain such oxidative bleaching agents, since the presence of the compound of the general formula (I) also results in an increase in the bleaching performance after storage of such agents.
- the compound according to general formula (I) can, without wishing to be bound by this theory, possibly stabilize the bleaching agent by complexing redox-active metal ions and thus also contribute to increasing the washing or cleaning performance against bleachable stains with such agents.
- the detergent is a liquid textile detergent.
- the detergent is a powdery or liquid color detergent, that is to say a textile detergent for colored textiles.
- the detergents or cleaning agents can contain customary other constituents of detergents or cleaning agents, in particular textile detergents, in particular selected from the group of builders and preferably polymers, enzymes, disintegration aids, fragrances and perfume carriers.
- the builders include, in particular, the zeolites, silicates, carbonates, organic cobuilders and - if there are no ecological prejudices against their use - also the phosphates.
- the finely crystalline, synthetic and bound water-containing zeolite is preferably zeolite A and / or zeolite P.
- zeolite P for example, zeolite MAP® (commercial product from Crosfield) is suitable.
- zeolite X and mixtures of zeolite A, X and / or P are also suitable.
- Commercially available and replaceable within the scope of the present invention is, for example, a co-crystallizate of zeolite X and zeolite A (approx. 80% by weight zeolite X ), which can be described by the formula n Na 2 0 (1-n) K 2 0 AI2O3 (2 - 2.5) S1O2 (3.5 - 5.5) H2O.
- the zeolite can be used both as a builder in a granular compound and as a kind of “powdering” of a granular mixture, preferably a mixture to be compressed, usually using both ways of incorporating the zeolite into the premix.
- Zeolites can have an average particle size of less than 10 m ⁇ ti (volume distribution; measurement method: Coulter Counter) and preferably contain 18% by weight to 22% by weight, in particular 20% by weight to 22% by weight, of bound water.
- crystalline layered silicates of the general formula NaMSix0 2x + i y H2O where M is sodium or hydrogen, x is a number from 1.9 to 22, preferably from 1.9 to 4, particularly preferred values for x 2, 3 or 4, and y represents a number from 0 to 33, preferably from 0 to 20.
- the crystalline layered silicates of the formula NaMSix0 2x + i y H2O are sold, for example, by Clariant GmbH (Germany) under the trade name Na-SKS.
- silicates Na-SKS-1 (Na 2 Si22C> 45 x H2O, Kenyait), Na-SKS-2 (Na2Sii4029 x H2O, Magadiit), Na-SKS-3 (Na2SisOi7 x H2O) or Na-SKS- 4 (Na2SU09 x H2O, Makatite).
- Crystalline phyllosilicates of the formula NaMSix0 2x + i y H2O in which x is 2 are preferred.
- Detergents or cleaning agents preferably contain a proportion by weight of the crystalline layered silicate of the formula NaMSix0 2x + i y H2O from 0.1% by weight to 20% by weight, preferably from 0.2% by weight to 15% by weight and in particular from 0.4% to 10% by weight.
- Amorphous sodium silicates with a module Na2Ü: S1O2 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 preferably delayed in dissolution, can also be used and have secondary washing properties.
- the release delay compared to conventional amorphous sodium silicates can be caused in various ways, for example by surface treatment, compounding, compacting / compression or by overdrying.
- amorphous is understood to mean that the silicates in X-ray diffraction experiments do not provide sharp X-ray reflections, as are typical for crystalline substances, but at most produce one or more maxima of the scattered X-rays, which have a width of several degree units of the diffraction angle.
- X-ray amorphous silicates can be used, the silicate particles of which deliver washed-out or even sharp diffraction maxima in electron diffraction experiments. This is to be interpreted as meaning that the products have microcrystalline areas of the size of ten to a few hundred nm, values up to max. 50 nm and in particular up to max. 20 nm are preferred.
- X-ray amorphous silicates of this type also have a delay in dissolution compared to conventional water glasses. Compacted / compacted amorphous silicates, compounded amorphous silicates and over-dried X-ray amorphous silicates are particularly preferred.
- silicate (s) preferably alkali silicates, particularly preferably crystalline or amorphous alkali silicates, are, if present, in detergents or cleaning agents in amounts of 3% by weight to Contain 60% by weight, preferably from 8% by weight to 50% by weight and in particular from 20% by weight to 40% by weight.
- the alkali metal phosphates with particular preference for pentasodium and pentapotassium triphosphate (sodium and potassium tripolyphosphate), have the greatest importance in the detergent and cleaning agent industry.
- Alkali metal phosphates is the general term for the alkali metal (especially sodium and potassium) salts of the various phosphoric acids, in which one can distinguish between metaphosphoric acids (HP03) n and orthophosphoric acid H3PO4 in addition to higher molecular weight representatives.
- the phosphates combine several advantages: They act as alkali carriers, prevent limescale deposits on machine parts and lime incrustations in fabrics and also contribute to cleaning performance.
- Technically particularly important phosphates are pentasodium triphosphate, NasPsO-io (sodium tripolyphosphate) and the corresponding potassium salt pentapotassium triphosphate, K5P3O10 (potassium tripolyphosphate).
- the sodium potassium tripolyphosphates are also preferably used.
- phosphates are used in washing or cleaning agents
- preferred agents contain these phosphate (s), preferably alkali metal phosphate (s), particularly preferably pentasodium or pentapotassium triphosphate (sodium or potassium tripolyphosphate), in amounts of 5% by weight. up to 80% by weight, preferably from 15% by weight to 75% by weight and in particular from 20% by weight to 70% by weight.
- Alkali carriers can also be used.
- alkali carriers include alkali metal hydroxides, alkali metal carbonates, alkali metal hydrogen carbonates, alkali metal sesquicarbonates, the alkali silicates mentioned, alkali metal silicates, and mixtures of the abovementioned substances, the alkali metal carbonates, in particular sodium carbonate, sodium bicarbonate or sodium sesquicarbonate, being preferably used.
- a builder system containing a mixture of tripolyphosphate and sodium carbonate can be particularly preferred.
- the alkali metal hydroxides are usually only used in small amounts, preferably in amounts below 10% by weight, preferably below 6% by weight, particularly preferably below 4% by weight. -% and in particular below 2 wt .-%, used. Agents which contain less than 0.5% by weight and in particular no alkali metal hydroxides, based on their total weight, are particularly preferred. Preference is given to using carbonate (s) and / or hydrogen carbonate (s), preferably alkali carbonate (s), particularly preferably sodium carbonate, in amounts of from 2% by weight to 50% by weight, preferably from 5% by weight.
- Organic builders include, in particular, polycarboxylates / polycarboxylic acids, polymeric polycarboxylates, aspartic acid, polyacetals, dextrins and phosphonates.
- polycarboxylic acids which can be used in the form of the free acid and / or their sodium salts can be used, polycarboxylic acids being understood to mean those carboxylic acids which carry more than one acid function.
- these are citric acid, adipic acid, succinic acid, glutaric acid, malic acid, tartaric acid, maleic acid, fumaric acid, sugar acids, aminocarboxylic acids, nitrilotriacetic acid (NTA), as long as such use is not objectionable for ecological reasons, and mixtures of these.
- NTA nitrilotriacetic acid
- the free acids typically also have the property of an acidifying component and thus also serve to set a lower and milder pH of detergents or cleaning agents.
- Citric acid, succinic acid, glutaric acid, adipic acid, gluconic acid and any mixtures thereof can be mentioned in particular.
- Polymeric polycarboxylates are also suitable as builders, for example the alkali metal salts of polyacrylic acid or polymethacrylic acid, for example those with a relative molecular weight of 500 g / mol to 70,000 g / mol.
- Particularly suitable are polyacrylates, which preferably have a molecular weight of 2,000 g / mol to 20,000 g / mol. Because of their superior solubility, the short-chain polyacrylates which have molar masses from 2000 g / mol to 10000 g / mol, and particularly preferably from 3000 g / mol to 5000 g / mol, can in turn be preferred from this group.
- Copolymers of polycarboxylates are also suitable, 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% by weight to 90% by weight of acrylic acid and 50% by weight to 10% by weight of maleic acid have proven to be particularly suitable.
- Their relative molecular weight, based on free acids is generally from 2000 g / mol to 70,000 g / mol, preferably from 20,000 g / mol to 50,000 g / mol and in particular from 30,000 g / mol to 40,000 g / mol.
- the polymers can also contain allylsulfonic acids, such as, for example, allyloxybenzenesulfonic acid and methallylsulfonic acid, as monomers.
- the (co) polymeric polycarboxylates can be used as a solid or in aqueous solution.
- the content of detergents or cleaning agents (copolymers polycarboxylates is preferably 0.5% by weight to 20% by weight and in particular 3% by weight to 10% by weight.
- Biodegradable polymers of more than two different monomer units are also particularly preferred, for example those which contain salts of acrylic acid and maleic acid as well as vinyl alcohol or vinyl alcohol derivatives as monomers or those which contain salts of acrylic acid and 2-alkylallylsulfonic acid and sugar derivatives as monomers .
- Further preferred copolymers are those which have acrolein and acrylic acid / acrylic acid salts or acrolein and vinyl acetate as monomers.
- further preferred builder substances are polymeric amino dicarboxylic acids, their salts or their precursor substances. Polyaspartic acids and / or their salts are particularly preferred.
- Another class of substances with builder properties are the phosphonates.
- hydroxyalkane or aminoalkanephosphonic acids these are the salts of, in particular, hydroxyalkane or aminoalkanephosphonic acids.
- hydroxyalkanephosphonic acids 1-hydroxyethane-1,1-diphosphonic acid (HEDP) is of particular importance. It is used in particular as the sodium salt, the disodium salt reacting neutrally and the tetrasodium salt in an alkaline manner.
- Particularly suitable aminoalkanephosphonic acids are ethylenediaminetetramethylenephosphonic acid (EDTMP), diethylenetriaminepentamethylenephosphonic acid (DTPMP) and their higher homologs.
- polyacetals which can be obtained by reacting dialdehydes with polyolcarboxylic acids which have 5 to 7 carbon atoms and at least 3 hydroxyl groups.
- 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.
- 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, for example acid or enzyme-catalyzed, processes. They are preferably hydrolysis products with average molar masses in the range from 400 g / mol to 500000 g / mol.
- DE dextrose equivalent
- 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.
- Ethylenediamine-N, N'-disuccinate (EDDS) is preferably in the form of its sodium or magnesium salts.
- Glycerol disuccinates and glycerol trisuccinates are also preferred in this context. If desired, suitable amounts used are, in particular in formulations containing zeolite and / or silicate, from 3% by weight 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.
- the washing and cleaning agents can contain nonionic, anionic, cationic and / or amphoteric surfactants.
- nonionic surfactants known to the person skilled in the art can be used as nonionic surfactants. Washing or cleaning agents particularly preferably contain nonionic surfactants from the group of the alkoxylated alcohols.
- the nonionic surfactants used are preferably alkoxylated, advantageously ethoxylated, in particular primary alcohols having preferably 8 to 18 carbon atoms and an average of 1 to 12 moles of ethylene oxide (EO) per mole of alcohol, in which the alcohol radical has a linear or preferably 2-methyl branching may be or may contain linear and methyl-branched radicals in the mixture, as are usually present in oxo alcohol radicals.
- EO ethylene oxide
- alcohol ethoxylates with linear residues of alcohols of native origin with 12 to 18 carbon atoms, for example from coconut, palm, tallow fat or oleyl alcohol, and an average of 2 to 8 moles of EO per mole of alcohol are particularly preferred.
- the preferred ethoxylated alcohols include, for example, Ci 2 -i 4 alcohols with 3 EO or 4 EO, C9-n alcohol with 7 EO, Ci3-i5 alcohols with 3 EO, 5 EO, 7 EO or 8 EO, Ci2- i8 alcohols with 3 EO, 5 EO or 7 EO and mixtures thereof, such as mixtures of Ci 2 -i 4 alcohol with 3 EO and Ci2-i8 alcohol with 5 EO.
- the degrees of ethoxylation given represent statistical mean values which can correspond to an integer or a fractional number for a specific product.
- Preferred alcohol ethoxylates have a narrow homolog distribution (narrow range ethoxylates, NRE).
- fatty alcohols with more than 12 EO can also be used. Examples include tallow fatty alcohol with 14 EO, 25 EO, 30 EO or 40 EO.
- alkyl glycosides of the general formula RO (G) x can also be used as further nonionic surfactants, in which R corresponds to a primary straight-chain or methyl-branched, in particular methyl-branched aliphatic radical having 8 to 22, preferably 12 to 18, C atoms and G is the symbol which stands for a glycose unit with 5 or 6 carbon atoms, preferably for glucose.
- the degree of oligomerization x which indicates the distribution of monoglycosides and oligoglycosides, is any number between 1 and 10; x is preferably 1.2 to 1.4.
- Another class of preferably used nonionic surfactants which are used either as the sole nonionic surfactant or in combination with other nonionic surfactants, are alkoxylated, preferably ethoxylated or ethoxylated and propoxylated fatty acid alkyl esters, preferably with 1 to 4 carbon atoms in the alkyl chain.
- Nonionic surfactants of the amine oxide type for example N-coconut alkyl-N, N-dimethylamine oxide and N-tallow alkyl-N, N-dihydroxyethylamine oxide, and the fatty acid alkanolamides can also be used.
- the amount of these nonionic surfactants is preferably not more than that of the ethoxylated fatty alcohols, in particular not more than half of them.
- Suitable surfactants are polyhydroxy fatty acid amides of the formula in which R stands for an aliphatic acyl radical with 6 to 22 carbon atoms, R 1 for hydrogen, an alkyl or hydroxyalkyl radical with 1 to 4 carbon atoms and [Z] for a linear or branched polyhydroxyalkyl radical with 3 to 10 carbon atoms and 3 to 10 hydroxyl groups.
- the polyhydroxy fatty acid amides are known substances which can usually be obtained by reductive amination of a reducing sugar with ammonia, an alkylamine or an alkanolamine and subsequent acylation with a fatty acid, a fatty acid alkyl ester or a fatty acid chloride.
- the group of polyhydroxy fatty acid amides also includes compounds of the formula in which R is a linear or branched alkyl or alkenyl radical having 7 to 12 carbon atoms, R 1 is a linear, branched or cyclic alkyl radical or an aryl radical is 2 to 8 carbon atoms and R 2 is a linear, branched or cyclic alkyl radical or an aryl radical or an oxy-alkyl radical having 1 to 8 carbon atoms, with Ci- 4- alkyl or phenyl radicals being preferred and [Z] being a linear polyhydroxyalkyl radical whose alkyl chain is substituted by at least two hydroxyl groups, or alkoxylated, preferably ethoxylated or propoxylated, derivatives of this rest.
- [Z] is preferably obtained by reductive amination of a reduced sugar, for example glucose, fructose, maltose, lactose, galactose, mannose or xylose.
- a reduced sugar for example glucose, fructose, maltose, lactose, galactose, mannose or xylose.
- the N-alkoxy- or N-aryloxy-substituted compounds can be converted into the desired polyhydroxy fatty acid amides by reaction with fatty acid methyl esters in the presence of an alkoxide as catalyst.
- Cleaning agents include nonionic surfactants from the group of alkoxylated alcohols, particularly preferably from the group of mixed alkoxylated alcohols and in particular from the group of EO / AO / EO nonionic surfactants, or PO / AO / PO nonionic surfactants, especially PO / EO / PO nonionic surfactants are particularly preferred.
- Such PO / EO / PO nonionic surfactants are characterized by good foam control.
- Anionic surfactants used are, for example, those of the sulfonate and sulfate type.
- Preferred surfactants of the sulfonate type are C9-i3-alkylbenzenesulfonates, olefin sulfonates, i.e. Mixtures of alkene and hydroxyalkanesulfonates and disulfonates, such as those obtained, for example, from Ci2-i8 monoolefins with a terminal or internal double bond by sulfonation with gaseous sulfur trioxide and subsequent alkaline or acidic hydrolysis of the sulfonation products.
- alkanesulfonates obtained from C12-18 alkanes, for example by sulfochlorination or sulfoxidation with subsequent hydrolysis or neutralization.
- the esters of a-sulfofatty acids for example the a-sulfonated methyl esters of hydrogenated coconut, palm kernel or tallow fatty acids, are also suitable.
- sulfonated fatty acid glycerol esters are sulfonated fatty acid glycerol esters.
- Fatty acid glycerol esters are to be understood as meaning the mono-, di- and triesters and their mixtures as obtained in the production by esterification of a monoglycerol with 1 to 3 moles of fatty acid or in the transesterification of triglycerides with 0.3 to 2 moles of glycerol.
- Preferred sulfated fatty acid glycerol esters are the sulfonation products of saturated fatty acids having 6 to 22 carbon atoms, for example caproic acid, caprylic acid, capric acid, myristic acid, lauric acid, palmitic acid, stearic acid or behenic acid.
- alk (en) yl sulfates the alkali and in particular the sodium salts of the sulfuric acid semi-esters of the Ci2-Ci8 fatty alcohols, for example from coconut oil alcohol, tallow fatty alcohol, lauryl, myristyl, cetyl or stearyl alcohol or the Cio-C2o-oxo alcohols and those half esters, are secondary Alcohols of these chain lengths are preferred. Also preferred are alk (en) yl sulfates of the chain length mentioned, which contain a synthetic, petrochemical-based straight-chain alkyl radical which have a degradation behavior analogous to that of the adequate compounds based on oleochemical raw materials.
- the Ci2-Ci6-alkyl sulfates and Ci2-Cis-alkyl sulfates and Cw-Cis-alkyl sulfates are preferred from the point of view of washing technology.
- the Schwefelklasted Acidmonoester with 1 to 6 moles of ethylene ethoxylated linear or branched C7 2i alcohols such as 2-methyl-branched C9-n-alcohols containing on average 3.5 mol ethylene oxide (EO) or Ci2-i8 fatty alcohols with 1 up to 4 EO are suitable. Because of their high foaming behavior, they are used in cleaning agents only in relatively small amounts, for example in amounts of 1% by weight to 5% by weight.
- Suitable anionic surfactants are also the salts of alkylsulfosuccinic acid, which are also referred to as sulfosuccinates or as sulfosuccinic acid esters and which are monoesters and / or diesters of sulfosuccinic acid with alcohols, preferably fatty alcohols and especially ethoxylated fatty alcohols.
- Preferred sulfosuccinates contain Cs -is fatty alcohol residues or mixtures thereof.
- Particularly preferred sulfosuccinates contain a fatty alcohol residue which is derived from ethoxylated fatty alcohols, which are nonionic surfactants in themselves.
- sulfosuccinates the fatty alcohol residues of which are derived from ethoxylated fatty alcohols with a narrow homolog distribution, are particularly preferred. It is also possible to use alk (en) ylsuccinic acid with preferably 8 to 18 carbon atoms in the alk (en) yl chain or salts thereof.
- Soaps are particularly suitable as further anionic surfactants.
- Saturated fatty acid soaps are suitable, such as the salts of lauric acid, myristic acid, palmitic acid, stearic acid, hydrogenated erucic acid and behenic acid, and in particular from natural fatty acids, e.g. Coconut, palm kernel or tallow fatty acids, derived soap mixtures.
- the anionic surfactants can be in the form of their sodium, potassium or ammonium salts and also as soluble salts of organic bases, such as mono-, di- or triethanolamine.
- the anionic surfactants are preferably in the form of their sodium or potassium salts, in particular in the form of the sodium salts.
- cationic and / or amphoteric surfactants can also be used.
- Cationic compounds of the following formulas for example, can be used as cationic active substances:
- Textile softening compounds can be used to care for the textiles and to improve the textile properties such as a softer “handle (finish) and reduced electrostatic charging (increased wearing comfort).
- the active ingredients of these formulations are quaternary ammonium compounds with two hydrophobic residues, such as, for example, disteraryl-dimethylammonium chloride, which, however, because of its insufficient biodegradability, is increasingly being replaced by quaternary ammonium compounds which contain ester groups in their hydrophobic residues as predetermined breaking points for biodegradation.
- esters with improved biodegradability can be obtained, for example, by esterifying mixtures of methyldiethanolamine and / or triethanolamine with fatty acids and then quaternizing the reaction products in a manner known per se with alkylating agents.
- Dimethylolethylene urea is also suitable as a finish.
- Enzymes can be used to increase the performance of detergents or cleaning agents. These include in particular proteases, amylases, lipases, hemicellulases, cellulases, perhydrolases or oxidoreductases, and preferably their mixtures. In principle, these enzymes are of natural origin; Based on the natural molecules, improved variants are available for use in detergents and cleaning agents, which are accordingly preferred. Washing or cleaning composition preferably contain enzymes in total amounts of 1 x 10 ® wt .-% to 5 wt .-% based on active protein. The protein concentration can be determined using known methods, for example the BCA method or the biuret method.
- subtilisin type those of the subtilisin type are preferred.
- these are the subtilisins BPN 'and Carlsberg and their further developed forms, the protease PB92, the subtilisins 147 and 309, the alkaline protease from Bacillus lentus, subtilisin DY and the enzymes thermitase which can no longer be assigned to the subtilisins in the narrower sense, Proteinase K and the proteases TW3 and TW7.
- usable amylases are the a-amylases from Bacillus licheniformis, from
- B. amyloliquefaciens from B. stearothermophilus, from Aspergillus niger and A. oryzae as well as the further developments of the aforementioned amylases for use in detergents and cleaning agents.
- the a-amylase from Bacillus sp. A 7-7 (DSM 12368) and the cyclodextrin glucanotransferase (CGTase) from B. agaradherens (DSM 9948).
- lipases or cutinases can be used. These include, for example, the lipases originally obtainable from Humicola lanuginosa (Thermomyces lanuginosus) or developed further therefrom, in particular those with the amino acid exchange D96L. Furthermore, the cutinases, which were originally isolated from Fusarium solani pisi and Humicola insolens, can also be used. Lipases and / or cutinases whose starting enzymes were originally isolated from Pseudomonas mendocina and Fusarium solanii can also be used.
- oxidoreductases for example oxidases, oxygenases, catalases, peroxidases, such as halo-, chloro-, bromo-, lignin, glucose or manganese peroxidases, dioxygenases or laccases (phenoloxidases, polyphenoloxidases) can be used to increase the bleaching effect.
- organic, particularly preferably aromatic, compounds interacting with the enzymes are additionally added in order to increase the activity of the oxidoreductases in question (enhancers) or to ensure the flow of electrons (mediators) in the case of very different redox potentials between the oxidizing enzymes and the soiling.
- the enzymes can be used in any form established according to the prior art. These include, for example, the solid preparations obtained by granulation, extrusion or lyophilization or, particularly in the case of liquid or gel-like agents, solutions of the enzymes, advantageously as concentrated as possible, low in water and / or with stabilizers.
- the enzymes can be encapsulated both for the solid and for the liquid administration form, for example by spray drying or extrusion of the enzyme solution together with a preferably natural polymer or in the form of capsules, for example those in which the enzymes are enclosed as in a solidified gel or in those of the core-shell type, in which an enzyme-containing core is coated with a protective layer impermeable to water, air and / or chemicals.
- Additional active ingredients for example stabilizers, emulsifiers, pigments, bleaching agents or dyes, can additionally be present in layers. to be brought.
- Capsules of this type are applied by methods known per se, for example by granular or roll granulation or in fluid-bed processes. Such granules are advantageously low in dust, for example by applying polymeric film formers, and are stable on storage due to the coating. Furthermore, it is possible to assemble two or more enzymes together, so that a single granulate has several enzyme activities.
- One or more enzymes and / or enzyme preparations are preferred in amounts from 0.1% by weight to 5% by weight, preferably from 0.2% by weight to 4 , 5 wt .-% and in particular from 0.4 wt .-% to 4 wt .-%, used.
- fragrances individual fragrance compounds, e.g. synthetic products of the ester, ether, aldehyde, ketone, alcohol and hydrocarbon type are used. However, preference is given to using mixtures of different fragrances which together produce an appealing fragrance.
- perfume oils can also contain natural fragrance mixtures, such as are available from plant sources, for example pine, citrus, jasmine, patchouly, rose or ylang-ylang oil.
- a fragrance In order to be perceptible, a fragrance must be volatile, whereby in addition to the nature of the functional groups and the structure of the chemical compound, the molar mass also plays an important role.
- odoriferous substances have molar masses of up to about 200 g / mol, while molar masses of 300 g / mol and more are an exception. Due to the different volatility of odoriferous substances, the smell of a perfume or fragrance composed of several odoriferous substances changes during evaporation, whereby the odor impressions in 'top note' (top note), 'heart or middle note' (middle note, body) and " Base note ”(end note, dry out).
- the top note of a perfume or fragrance does not consist solely of volatile compounds, while the base note largely consists of less volatile, ie sticky fragrances
- more volatile fragrances can be bound, for example, to certain fixatives, which prevents them from evaporating too quickly.
- the odor impression and above, whether the corresponding e Fragrance is perceived as a top or heart note nothing said.
- the fragrances can be processed directly, but it can also be advantageous to apply the fragrances to carriers which ensure a long-lasting fragrance due to a 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 colorants have a high storage stability and insensitivity to light and no excessive affinity for textiles Can have surfaces and here, in particular, synthetic fibers.
- colorants can have different stabilities against oxidation.
- water-insoluble colorants are more stable to oxidation than water-soluble colorants.
- concentration of the colorant in the washing or cleaning agents varies. In the case of colorants which are readily water-soluble, colorant concentrations in the range from a few 10 2 % by weight to 10 3 % by weight are typically selected.
- the suitable concentration of the colorant in washing or cleaning agents is typically a few 10 3 % by weight to 10 4 % by weight.
- Colorants which can be oxidatively destroyed in the washing process and mixtures thereof with suitable blue dyes, so-called blue toners, are preferred. It has proven to be advantageous to use colorants which are soluble in water or in liquid organic substances at room temperature.
- anionic colorants are suitable, for example anionic nitroso dyes.
- the detergents or cleaning agents can contain further ingredients which further improve the application technology and / or aesthetic properties of these agents.
- Preferred agents contain one or more substances from the group of electrolytes, pH adjusters, fluorescent agents, hydrotropes, foam inhibitors, silicone oils, anti-redeposition agents, optical brighteners, graying inhibitors, anti-shrink agents, anti-crease agents, color transfer inhibitors, antimicrobial agents, germicides, antifungals, antifungal agents, antifungal agents, antifungal agents, antifungal agents , Phobing and impregnating agents, swelling and anti-slip agents as well as UV absorbers.
- a wide number of different salts can be used as electrolytes from the group of inorganic salts.
- Preferred cations are the alkali and alkaline earth metals, preferred anions are the halides and sulfates. From a manufacturing point of view, the use of NaCl or MgCL in the washing or cleaning agents is preferred.
- pH adjusting agents In order to bring the pH value of washing or cleaning agents into the desired range, the use of pH adjusting agents can be indicated. All known acids or alkalis can be used here, provided that their use is not prohibited for application-related or ecological reasons or for reasons of consumer protection. The amount of these adjusting agents usually does not exceed 1% by weight of the total formulation.
- Suitable foam inhibitors are soaps, oils, fats, paraffins or silicone oils, which can optionally be applied to carrier materials.
- Suitable carrier materials are, for example, inorganic salts such as carbonates or sulfates, cellulose derivatives or silicates and mixtures of the aforementioned materials.
- Preferred in the context of the present application Agents contain paraffins, preferably unbranched paraffins (n-paraffins) and / or silicones, preferably linear-polymeric silicones, which are structured according to the scheme (R2SiO) x and are also referred to as silicone oils.
- silicone oils are usually clear, colorless, neutral, odorless, hydrophobic liquids with a molecular weight between 1000 g / mol and 150,000 g / mol and viscosities between 10 mPa-s and 1000000 mPa-s.
- Suitable soil repellants are the polymers of phthalic acid and / or terephthalic acid and their derivatives known from the prior art, in particular polymers of ethylene terephthalate and / or polyethylene glycol terephthalate or anionically and / or nonionically modified derivatives thereof. Of these, the sulfonated derivatives of the phthalic acid and terephthalic acid polymers are particularly preferred.
- Optical brighteners can in particular be added to the detergents in order to eliminate graying and yellowing of the treated textiles. These substances absorb on the fiber and bring about a brightening and simulated bleaching effect by converting invisible ultraviolet radiation into visible longer-wave light, whereby the ultraviolet light absorbed from the sunlight is emitted as a slightly bluish fluorescence and pure with the yellow tone of the grayed or yellowed laundry White results.
- Suitable compounds originate from the substance classes of the 4,4 'diamino-2,2-stilbenedisulfonic acids (flavonic), 4,4'-biphenylene -Distyryl, Methylumbelliferone, coumarins, dihydroquinolinones, 1, 3-diaryl pyrazolines, naphthalimides, benzoxazole , Benzisoxazole and benzimidazole systems and the pyrene derivatives substituted by heterocycles.
- flavonic 4,4'diamino-2,2-stilbenedisulfonic acids
- 4,4'-biphenylene -Distyryl Methylumbelliferone
- coumarins dihydroquinolinones
- 1, 3-diaryl pyrazolines 1, 3-diaryl pyrazolines
- naphthalimides benzoxazole
- Benzisoxazole and benzimidazole systems and the pyrene derivative
- 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 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 can also be used, for example degraded starch and aldehyde starches. Polyvinyl pyrrolidone is also useful.
- graying inhibitors are cellulose ethers such as carboxymethyl cellulose (Na salt), methyl cellulose, hydroxyalkyl cellulose and mixed ethers such as methyl hydroxyethyl cellulose, methyl hydroxypropyl cellulose, methyl carboxymethyl cellulose and mixtures thereof.
- cellulose ethers such as carboxymethyl cellulose (Na salt), methyl cellulose, hydroxyalkyl cellulose and mixed ethers such as methyl hydroxyethyl cellulose, methyl hydroxypropyl cellulose, methyl carboxymethyl cellulose and mixtures thereof.
- nonionic cellulose ethers such as methyl cellulose and methyl hydroxypropyl cellulose with a proportion of methoxy groups of 15 to 30% by weight and of hydroxypropyl groups of 1 to 15% by weight, in each case based on the nonionic cellulose ether, are particularly suitable.
- synthetic anti-crease agents can be used. These include, for example, synthetic products based on fatty acids, fatty acid esters, fatty acid amides, alkylol esters, alkylolamides or fatty alcohols, which are mostly reacted with ethylene oxide, or products based on lecithin or modified phosphoric acid esters.
- Phobing and impregnation processes are used to finish textiles with substances that prevent dirt from accumulating or make it easier to wash out.
- Preferred phobing and impregnating agents are perfluorinated fatty acids, also in the form of their aluminum and zirconium salts, organic silicates, silicones, polyacrylic acid esters with perfluorinated alcohol component or polymerizable compounds coupled with perfluorinated acyl or sulfonyl radical.
- Antistatic agents can also be included.
- the dirt-repellent finish with phobing and impregnating agents is often classified as an easy-care finish.
- the penetration of the impregnating agent in the form of solutions or emulsions of the active substances in question can be facilitated by adding wetting agents which reduce the surface tension.
- Another area of application of waterproofing and impregnating agents is the water-repellent finishing of textile goods, tents, tarpaulins, leather, etc., which, in contrast to waterproofing, does not close the fabric pores, which means that the fabric remains breathable (hydrophobic).
- the hydrophobizing agents used for hydrophobizing coat textiles, leather, paper, wood, etc. with a very thin layer of hydrophobic groups, such as longer alkyl chains or siloxane groups. Suitable hydrophobizing agents are, for example, paraffins, waxes, metal soaps etc.
- silicone-impregnated textiles have a soft feel and are water and dirt repellent; Stains from ink, wine, fruit juices and the like are easier to remove.
- Antimicrobial agents can be used to control microorganisms. Depending on the antimicrobial spectrum and mechanism of action, a distinction is made between bacteriostatics and bactericides, fungistatics and fungicides and so on. Substances from these groups are, for example, benzalkonium chlorides, alkylarlyl sulfonates, halophenols and phenol mercuric acetate, although these compounds can also be dispensed with entirely.
- This class of compounds includes, for example, substituted phenols, hydroquinones, pyrocatechols and aromatic amines as well as organic sulfides, polysulfides, dithiocarbamates, phosphites and phosphonates.
- Antistatic agents increase the surface conductivity and thus enable the flow of charges that have formed to improve.
- External antistatic agents are generally substances with at least one hydrophilic molecular ligand and give a more or less hygroscopic film on the surfaces. These mostly surface-active antistatic agents can be divided into nitrogen-containing (amines, amides, quaternary ammonium compounds), phosphorus-containing (phosphoric acid esters) and sulfur-containing (alkyl sulfonates, alkyl sulfates) antistatic agents.
- Lauryl (or stearyl) dimethylbenzylammonium chlorides are also suitable as antistatic agents for textiles or as an additive to detergents, with an additional softening effect.
- Silicone derivatives can be used in textile detergents to improve the water absorption capacity, the rewettability of the treated textiles and to facilitate ironing of the treated textiles. These also improve the rinsing behavior of detergents or cleaning agents thanks to their foam-inhibiting properties.
- Preferred silicone derivatives are, for example, polydialkyl or alkylarylsiloxanes in which the alkyl groups have one to five carbon atoms and are wholly or partially fluorinated.
- Preferred silicones are polydimethylsiloxanes, which can optionally be derivatized and are then amino-functional or quaternized or have Si-OH, Si-H and / or Si-Cl bonds.
- Further preferred silicones are the polyalkylene oxide-modified polysiloxanes, ie polysiloxanes which have, for example, polyethylene glycols, and the polyalkylene oxide-modified dimethylpolysiloxanes.
- UV absorbers can also be used, which are applied to the treated textiles and improve the light resistance of the fibers.
- Compounds which have these desired properties are, for example, the compounds and derivatives of benzophenone which are active by radiationless deactivation and have substituents in the 2- and / or 4-position.
- Substituted benzotriazoles, phenyl-substituted acrylates (cinnamic acid derivatives) in the 3-position, optionally with cyano groups in the 2-position, salicylates, organic Ni complexes and natural substances such as umbelliferone and the body's own urocanoic acid are also suitable.
- Protein hydrolyzates are other suitable active substances. Protein hydrolyzates are product mixtures that are obtained by acidic, basic or enzymatically catalyzed breakdown of proteins (proteins). Protein hydrolysates of both vegetable and animal origin can be used. Animal protein hydrolyzates are, for example, elastin, collagen, keratin, silk and milk protein protein hydrolyzates, which can also be in the form of salts. The use of protein hydrolysates is preferred. are of origin, for example soy, almond, rice, pea, potato and wheat protein hydrolyzates.
- amino acid mixtures or individual amino acids such as arginine, lysine, histidine or pyroglutamic acid, which have otherwise been obtained, can optionally be used in their place. It is also possible to use derivatives of the protein hydrolyzates, for example in the form of their fatty acid condensation products.
- Example 1 Synthesis of N, N, N ', N'-tetraethyl-4,5-dihydroxybenzene-1,3-disulfonamide
- A Synthesis of 4,5-dihydroxybenzene-1,3-disulfonyl dichloride
- Washing tests were carried out at 30 ° C. on various standardized soils, which are based on polyphenolic natural dyes, and which are given in Table 1 below, on cotton fabric.
- a bleach-free and surfactant-containing commercial liquid detergent (FWM) was used for the washing tests and wash liquors with a pH of 8.5, consisting of 15 g FWM and optionally 0.225 g of the active ingredient prepared in Example 1.B, on 17 l of water at 16 ° dH were used.
- the evaluation was carried out by measuring the color distance in accordance with the L * a * b * values and the Y values calculated therefrom as a measure of the brightness.
- the following table shows the improvement in stain removal as a difference (difference Y (after washing) - Y (before washing)) between FWM with added active ingredient and FWM without added active ingredient as averages of six-fold determinations.
- dY values when adding an active ingredient used according to the invention were always greater than the values achieved with the FWM without addition, which corresponds to a higher degree of whiteness and thus an improved stain removal.
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- Engineering & Computer Science (AREA)
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- Oil, Petroleum & Natural Gas (AREA)
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Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102018218846.7A DE102018218846A1 (de) | 2018-11-06 | 2018-11-06 | Wasch- und Reinigungsmittel mit verbesserter Leistung |
| PCT/EP2019/080018 WO2020094532A1 (de) | 2018-11-06 | 2019-11-04 | Wasch- und reinigungsmittel mit verbesserter leistung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3877493A1 true EP3877493A1 (de) | 2021-09-15 |
| EP3877493B1 EP3877493B1 (de) | 2024-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| EP19801245.2A Active EP3877493B1 (de) | 2018-11-06 | 2019-11-04 | Wasch- und reinigungsmittel mit verbesserter leistung |
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| Country | Link |
|---|---|
| EP (1) | EP3877493B1 (de) |
| DE (1) | DE102018218846A1 (de) |
| WO (1) | WO2020094532A1 (de) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007008656A1 (de) * | 2007-02-20 | 2008-09-04 | Henkel Ag & Co. Kgaa | Verwendung von Harnstoff-Derivaten in Wasch- und Reinigungsmitteln |
| DE102014222833A1 (de) * | 2014-11-10 | 2016-05-12 | Henkel Ag & Co. Kgaa | Wasch- und Reinigungsmittel mit verbesserter Leistung |
| DE102016214660A1 (de) * | 2016-08-08 | 2018-02-08 | Henkel Ag & Co. Kgaa | Wasch- und Reinigungsmittel mit verbesserter Leistung |
-
2018
- 2018-11-06 DE DE102018218846.7A patent/DE102018218846A1/de not_active Withdrawn
-
2019
- 2019-11-04 EP EP19801245.2A patent/EP3877493B1/de active Active
- 2019-11-04 WO PCT/EP2019/080018 patent/WO2020094532A1/de not_active Ceased
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| Publication number | Publication date |
|---|---|
| WO2020094532A1 (de) | 2020-05-14 |
| DE102018218846A1 (de) | 2020-05-07 |
| EP3877493B1 (de) | 2024-09-11 |
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