EP1924679B1 - Washing and cleaning agents comprising readily soluble capsules - Google Patents

Abstract

Aqueous washing and cleaning agents that contain capsules in addition to other constituents, the capsules each encompassing an active ingredient in a matrix. The introduction of a combination of aluminum silicate and silicic acid into the matrix improves the solubility characteristics of the capsules in a washing operation.

Description

The invention relates to an aqueous liquid washing and cleaning agent containing surfactant (s) and other conventional ingredients of detergents and cleaners. The invention also relates to a process for the preparation of an aqueous liquid washing and cleaning agent and to the use of the aqueous liquid washing and cleaning agent.

The incorporation of certain active ingredients (e.g., bleaches, enzymes, perfumes, dyes, etc.) into liquid detergents and cleaners can cause problems. By way of example, incompatibilities between the individual active ingredient components of the liquid detergents and cleaners may occur. This can lead to undesirable discoloration, agglomeration, odor problems and destruction of detergent active ingredients.

The consumer, however, requires liquid detergents and cleaning agents that optimally retain their effect even after storage and transport at the time of use. This implies that the ingredients of the liquid detergent and cleaning agent have previously neither sedimented, decomposed or volatilized.

By consuming and correspondingly expensive packaging, for example, the loss of volatile components can be prevented. Chemically incompatible components can be stored separately from the remaining components of the liquid detergent and cleaning agent and then added to the application. The use of opaque packaging prevents the decomposition of photosensitive components, but also has the disadvantage that the consumer can not see the appearance and quantity of the liquid detergent and cleaning agent.

A concept for the incorporation of sensitive, chemically or physically incompatible as well as volatile ingredients, consists in the use of capsules, in which these ingredients are included. For capsules, two types are distinguished. On the one hand, there are capsules with a core-shell structure in which the ingredient is surrounded by a wall or barrier. On the other hand, there are capsules in which the ingredient is distributed in a matrix of a matrix-forming material. Such capsules are also referred to as "speckles".

In the US 6,855,681 discloses a detergent composition comprising a matrix encapsulated active ingredient. The matrix of capsules contains a hydrated anionic gum and the encapsulated active ingredient is preferably a perfume.

When using capsules in detergents and cleaners, it is important that the capsules dissolve during the washing process and leave no residue on the laundry. However, this is partly a problem, especially with critical washing parameters such as those found in cold wash or wool wash cycles.

It is therefore an object of the present invention to provide a detergent with improved capsules having at least one active ingredient contained therein, the capsules in particular dissolve well and leave no residue on the laundry.

This object is achieved by an aqueous liquid washing and cleaning agent containing surfactant (s) and other conventional ingredients of detergents and cleaners, wherein the agent contains at least one capsule, wherein the capsule an active ingredient, an aluminum silicate and a silica in a matrix, wherein the aluminum silicate and the silica are present in a ratio of 1:10 to 10: 1. Preferably, the aluminum silicate and the silica are present in a ratio of 1: 4 to 4: 1, and more preferably 2: 3 to 4: 3

By introducing a combination of aluminum silicate and silica into the matrix, the solubility behavior of the capsules is surprisingly improved. The capsules according to the invention also dissolve without residue in the critical wool washing program.

In addition, the combination of the two substances also gives the capsules a robust structure and thus has a positive effect on the stability of the capsules.

It is preferred that the active ingredient is selected from the group comprising optical brighteners, surfactants, complexing agents, bleaching agents, bleach activators, dyes, fragrances, antioxidants, builders, enzymes, enzyme stabilizers, antimicrobial agents, graying inhibitors, pH adjusters, soil stabilizers. Release polymers, color transfer inhibitors, electrolytes, conditioning oils, abrasives, skin care agents, foam inhibitors, vitamins, proteins, preservatives, detergency boosters, pearlescers and UV absorbers.

By encapsulating the ingredients important for the primary and secondary washing and cleaning performance of a detergent and cleaning compounds in liquid detergents and cleaners can be introduced without unwanted Interactions with other constituents (agglomeration, decomposition, decomposition or discoloration, etc.) or undesirable effects (phase separation, turbidity, flocculation, etc.) come.

In a preferred embodiment, the capsule additionally contains at least one hollow microsphere.

The hollow microspheres preferably have a diameter of 2 to 500 μm, in particular of 5 to 20 μm, and a specific gravity of less than 1 g · cm ^-3 . By incorporating one or more hollow microspheres into the respective capsules, the density of the capsules can be adjusted to the density of the surrounding detergent composition to prevent unwanted settling or floating (creaming) of the capsules.

It is also preferred that the matrix is selected from a material selected from the group comprising carrageenan, alginate and gellan gum.

These materials can be crosslinked particularly well with cations to crosslinked insoluble gels. By dropping solutions of these materials into cation-containing solutions, spherical capsules containing a matrix can be prepared in a simple manner.

In a preferred embodiment, the washing and cleaning agent contains dispersed capsules whose diameter along their largest spatial extent is 0.01 to 10,000 microns.

The invention also claims the use of a washing and cleaning agent according to the invention for cleaning textile fabrics.

There is also provided a process for the preparation of an aqueous liquid laundry and cleaning composition containing surfactant (s) and other common ingredients of laundry detergents and cleaners and at least one capsule, wherein the capsule comprises an active ingredient, an aluminum silicate and a silica in a matrix in which the aluminum silicate and silica are used in a ratio of 1:10 to 10: 1.

The invention also relates to a capsule comprising an active ingredient, an aluminum silicate and a silica in a matrix, wherein the matrix comprises the aluminum silicate and the silica in a ratio of 1:10 to 10: 1 and at least one microballoon with a specific gravity of less than 1 g · cm ^-3 and a diameter of 2 to 500 microns, as well as the use of Aluminiund Silica in a ratio of 1:10 to 10: 1 in a capsule comprising an active ingredient, an aluminum silicate and a silica in a matrix to improve the solubility of the capsule.

The washing and cleaning agents according to the invention are described in detail below, inter alia, by way of examples.

The detergents and cleaners according to the invention comprise as a compulsory component at least one capsule comprising at least one active ingredient in a matrix.

The matrix of the capsule may comprise, for example, carrageenan, alginate or gellan gum. These materials can be cross-linked to gels using mono- or polyvalent cations.

Alginate is a naturally occurring salt of alginic acid and is found in all brown algae (Phaeophycea) as a cell wall constituent. Alginates are acidic, carboxy group-containing polysaccharides having a relative molecular weight M _R of about 200,000, consisting of D-mannuronic acid and L-guluronic acid in different ratios, which are linked to 1,4-glycosidic bonds. The sodium, potassium, ammonium and magnesium alginates are water-soluble. The viscosity of alginate solutions depends inter alia on the molecular weight and on the counterion. For example, calcium alginates form thermo-reversible gels at certain proportions. Sodium alginates give very viscous solutions with water and can be cross-linked by interaction with di- or trivalent metal ions such as Ca ²⁺ . Ingredients, which are also contained in the aqueous sodium alginate solution, are thus enclosed in an alginate matrix.

Carrageenan is an extract of the red algae ( Chondrus crispus and Gigartina stellata ) that belongs to the Floridae . In the presence of K ⁺ ions or Ca ²⁺ ions, carrageenan crosslinks.

Gellan gum is an unbranched anionic microbial heteroexopolysaccharide having a tetrasaccharide repeat unit consisting of the monomers glucose, glucuronic acid and rhamnose, wherein approximately each repeat unit is esterified with an L-glycerate and every other repeat unit is esterified with an acetate. Gellan gum cross-links in the presence of K ⁺ ions, Na ⁺ ions, Ca ²⁺ ions or Mg ²⁺ ions. Of the materials mentioned for the matrix, alginate is preferred.

In the capsule, sensitive, chemically or physically incompatible as well as volatile components (= active ingredients) of the aqueous liquid detergent and cleaning agent can be enclosed storage and transport stable. These components are referred to as "active ingredients" in this invention. The capsules may include, for example, optical brighteners, surfactants, complexing agents, bleaching agents, bleach activators, dyes, fragrances, antioxidants, builders, enzymes, enzyme stabilizers, antimicrobial agents, grayness inhibitors, pH adjusters, soil release polymers, color transfer inhibitors, Electrolytes, conditioning oils, abrasives, skin care agents, foam inhibitors, vitamins, proteins, preservatives, detergency boosters, pearlescers, and UV absorbers. The capsules may contain one or more active ingredient (s).

Advantageously, soil release polymers can be incorporated as active ingredients in the capsules. Soil release polymers are usually polymers which essentially comprise ethylene terephthalate and / or polyethylene glycol terephthalate groups. However, these polymers can not be formulated arbitrarily and so it comes with prolonged storage and / or strong temperature fluctuations to segregation, which can lead to turbid products. Encapsulation of the soil release polymers can overcome this problem. Examples of suitable soil release polymers that can be readily encapsulated include Marloquest L 235M (ex Sasol), Repelotex® SRP6 (ex Rhodia), or Präpagen HY (ex Clariant).

Another advantageous encapsulated ingredient are enzymes. Enzymes are easily decomposed by other ingredients of the detergent. Encapsulation of the enzymes can prevent this. Enzymes suitable for encapsulation include, for example, proteases, esterases, lipases, amylases, oxidases or cellulases.

In the case of smaller molecules as the active ingredient, it may be preferred that the active ingredient be engineered to prevent bleeding from the capsule. An enzyme can be immobilized, for example, by attachment to a substrate and introduced into the capsule in the form of an enzyme-substrate complex. For example, when encapsulating a cellulase, cellulose can be used as a substrate.

The amount of active ingredient in the aqueous matrix solution is preferably between 0.01 and 40% by weight, more preferably between 0.05 and 20% by weight, especially preferably between 0.1 and 5 wt .-% and particularly preferably between 0.5 and 1.5 wt .-%.

The capsules according to the invention furthermore contain a combination of aluminum silicate and silica, the ratio being between 1:10 and 10: 1, preferably between 1: 4 and 4: 1 and very particularly preferably between 2: 3 and 4.3. To incorporate these compounds, the appropriate materials are added to the matrix solution. Suitable silicas are commercially available under the name Aerosil® or Sipernat® (both ex Degussa). The aluminosilicate is preferably a zeolite. Can be used zeolite A, zeolite P, zeolite X or mixtures thereof. Suitable zeolites include, for example, commercial products such as Wessalith® (ex Degussa), zeolite MAP® (ex Crosfield) or VEGOBOND AX® (ex SASOL).

The amount of silica and aluminum silicate in the aqueous matrix solution is in each case preferably between 0.1 and 20% by weight, more preferably between 1 and 10% by weight and particularly preferably between 2 and 10% by weight.

The capsules may additionally contain hollow microspheres. Hollow microspheres are particles having a diameter of 2 to 500 μm, in particular of 5 to 20 μm, and a specific gravity of less than 1 g.cm ^-3 . Conveniently, the hollow microspheres are round and smooth. The hollow microspheres may be of inorganic material such as water glass, aluminum silicate, borosilicate glass, soda lime glass or a ceramic or of organic polymers such as homo- or copolymers of styrene, acrylonitrile and vinylidene chloride. Suitable hollow microspheres are commercially available, for example, under the names Fillite® (ex Trelleborg Fillite), Expancel® (ex Akzo Nobel), Scotchlite® (ex 3M), Dualite® (ex Sovereign Specialty Chemicals), Sphericel® (ex Potters Industries), Zeeospheres ® (ex 3M), Q-Cel® (ex PQ Corporation) or Extendöspheres® (ex PQ Corporation). Further suitable hollow microspheres are available under the product name E-Spheres from OMEGA MINERALS. E-spheres are white, hollow ceramic microspheres, which are available in different grain sizes, particle size distributions, bulk densities and bulk volumes. Many of the hollow microspheres mentioned are chemically inert and are dispersed in the wash liquor after destruction of the capsule and then removed with it.

As already mentioned above, the density of the capsules can be varied or adjusted by incorporating hollow microspheres. The amount of hollow microspheres in a capsule depends on the desired density of the capsule. However, it is preferred that the amount of hollow microspheres in the aqueous matrix solution is preferably between 0 and 10 wt .-%, more preferably between 1 and 5 wt .-% and particularly preferably between 2 and 4 wt .-%.

The capsules may have any shape in the production-related framework, but they are preferably approximately spherical. Their diameter along their largest spatial extent, depending on the components contained in their interior and the application between 0.01 microns (not visually recognizable as a capsule) and 10,000 microns. Preference is given to visible microcapsules having a diameter in the range from 100 μm to 7000 μm, in particular from 400 μm to 5000 μm.

For aesthetic reasons, it may be desirable for the capsules to be colored. For this, the capsule may contain one or more coloring agents such as a pigment or a dye. It may also be preferred that the capsule contains a preservative.

To prepare the capsules according to the invention, an aqueous matrix solution which also contains the active ingredient to be included or the active ingredients to be included, the aluminum silicate and the silica and optionally other components such as hollow microspheres, preservatives and / or coloring agents, is preferably disgusted and then in a Hardened Ca ²⁺ -ions containing precipitating bath. The precipitation bath may contain other ingredients such as a preservative or polydiallyldimethylammonium chloride. Preferably, the aqueous matrix solution is an alginate solution.

The preparation of the capsules can be done for example by means of a Vetropfungsanlange the company Rieter Automatik GmbH. In this case, the dripping of the aqueous matrix solution, which contains the active ingredient to be included, aluminum silicate and silica and optionally hollow microspheres, preservatives and / or coloring agents by imparting an oscillation, which is generated by means of an oscillating membrane. The droplet break is due to the increased shear when swinging back the membrane. The dropping itself can be done for example by a single nozzle or through a nozzle plate with 10 to 500, preferably 50 to 100 openings. The nozzles preferably have openings with a diameter in the range of 0.2 to 2, preferably 0.3 to 0.8 mm. In principle, the dripping can be carried out in a precipitation bath, which is designed as a stirred tank or boiler. However, there is a risk that capsules will meet and stick together. Furthermore, while stirring capsules and the enclosed active ingredient are destroyed again, since the stirring process by introducing energy also leads to an undesirable increase in temperature. These disadvantages can be avoided if the precipitation bath is designed as a kind of flow channel. The dripping takes place in a uniform flow, which promotes the drops so quickly from the dripping zone that they are not hit by subsequent drops and can stick together. As long as the capsules are not fully cured, they will float up; As they harden, they sediment.

As alternative production methods, other drop plants may be used which differ by different droplet formation technologies. By way of example, plants belonging to Gouda, Cavis or GeniaLab may be mentioned here.

The amount of matrix-forming substance in the aqueous matrix solution is preferably between 0.01 and 10 wt .-%, more preferably between 0.1 and 5 wt .-% and particularly preferably between 1 and 3 wt .-%. Preferably, sodium alginate is used as the matrix-forming substance.

It may be advantageous that the capsules are subsequently washed with water and then washed in an aqueous solution with a complexing agent, such as a phosphonate, to free Ca ²⁺ ions, which undesirable interactions with ingredients of the liquid detergent and cleaning agent, For example, the fatty acid soaps, can enter, wash out. A suitable phosphonate may be, for example, Dequest® from Solutia. Subsequently, the capsules are washed again with water to remove excess complexing agent.

The capsules can be dried before use in a detergent and cleaning agent, but they are preferably used moist.

The release of the active ingredient from the capsules is usually during the application of the agents containing them by destruction of the matrix due to mechanical, thermal, chemical and / or enzymatic action. In a preferred embodiment of the invention, the liquid detergents and cleaners contain identical or different capsules in amounts of from 0.01 to 10% by weight, in particular from 0.2 to 8% by weight and very preferably from 0.5 to 5% by weight. -%. In addition to the capsules, the liquid detergents and cleaners contain surfactant (s), wherein anionic, nonionic, cationic and / or amphoteric surfactants can be used. From an application point of view, preference is given to mixtures of anionic and nonionic surfactants. The total surfactant content of the liquid washing and cleaning agent is preferably below 40% by weight and more preferably below 35% by weight, based on the total liquid detergent and cleaning agent.

The nonionic surfactants used are preferably alkoxylated, advantageously ethoxylated, in particular primary, alcohols having preferably 8 to 18 carbon atoms and on average 1 to 12 moles of ethylene oxide (EO) per mole of alcohol, in which the alcohol radical can be linear or preferably methyl-branched in the 2-position or linear and methyl-branched radicals in the mixture can contain, as they are usually present in Oxoalkoholresten. In particular, however, alcohol ethoxylates with linear radicals of alcohols of native origin having 12 to 18 carbon atoms, for example of coconut, palm, tallow or oleyl alcohol, and on average 2 to 8 EO per mole of alcohol are preferred. The preferred ethoxylated alcohols include, for example, C _12-14 alcohols with 3 EO, 4 EO or 7 EO, C _9-11 alcohols with 7 EO, C _13-15 alcohols with 3 EO, 5 EO, 7 EO or 8 EO, C _12-18 -alcohols, with 3 EO, 5 EO or 7 EO and mixtures of these, such as mixtures of C _12-14 -alcohol with 3 EO and C _12-18 -alcohol with 7 EO. The degrees of ethoxylation given represent statistical means which, for a particular product, may be an integer or a fractional number. Preferred alcohol ethoxylates have a narrow homolog distribution (narrow range ethoxylates, NRE). In addition to these nonionic surfactants, 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. Nonionic surfactants which contain EO and PO groups together in the molecule can also be used according to the invention. Here, block copolymers with EO-PO block units or PO-EO block units can be used, but also EO-PO-EO copolymers or PO-EO-PO copolymers. Of course, it is also possible to use mixed alkoxylated nonionic surfactants in which EO and PO units are not distributed in blocks, but randomly. Such products are available by the simultaneous action of ethylene and propylene oxide on fatty alcohols.

In addition, as further nonionic surfactants and alkyl glycosides of the general formula RO (G) _x can be used in which R is a primary straight-chain or methyl-branched, especially in the 2-position methyl-branched aliphatic radical having 8 to 22, preferably 12 to 18 carbon atoms and G is the symbol which represents a glycose unit having 5 or 6 C atoms, preferably glucose. The degree of oligomerization x, which is the Veiteilung of monoglycosides and oligoglycosides, is any number between 1 and 10; preferably x is 1.2 to 1.4.

Another class of preferred nonionic surfactants used either as the sole nonionic surfactant or in combination with other nonionic surfactants. Surfactants are used are alkoxylated, preferably ethoxylated or ethoxylated and propoxylated fatty acid alkyl esters, preferably having 1 to 4 carbon atoms in the alkyl chain, in particular fatty acid methyl esters.

Nonionic surfactants of the amine oxide type, for example N-cocoalkyl-N, N-dimethylamine oxide and N-tallowalkyl-N, N-dihydroxyethylamine oxide, and the fatty acid alkanolamides may also be suitable. The amount of these nonionic surfactants is preferably not more than that of the ethoxylated fatty alcohols, especially not more than half thereof.

in der RCO für einen aliphatischen Acylrest mit 6 bis 22 Kohlenstoffatomen, R¹ für Wasser-stöff, einen Alkyl- oder Hydroxyalkylrest mit 1 bis 4 Kohlenstoffatomen und [Z] für einen linearen oder verzweigten Polyhydroxyalkylrest mit 3 bis 10 Kohlenstofiatomen und 3 bis 10 Hydro-xylgruppen steht. Bei den Polyhydroxyfettsäureamiden handelt es sich um bekannte Stoffe. die üblicherweise durch reduktive Aminierung eines reduzierenden Zuckers mit Ammoniak, einem Alkylamin oder einem Alkanolamin und nachfolgende Acylierung mit einer Fettsäure, einem Fettsäurealkylester oder einem Fettsäurechlorid erhalten werden können.Further suitable surfactants are polyhydroxy fatty acid amides of the formula (2),

in the RCO for an aliphatic acyl radical having 6 to 22 carbon atoms, R ¹ for hydrogen, an alkyl or hydroxyalkyl radical having 1 to 4 carbon atoms and [Z] for a linear or branched polyhydroxyalkyl radical having 3 to 10 carbon atoms and 3 to 10 hydro -xyl 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.

in der R für einen linearen oder verzweigten Alkyl- oder Alkenylrest mit 7 bis 12 Kohlenstoffatomen, R¹ für einen linearen, verzweigten oder cyclischen Alkylrest oder einen Arylrest mit 2 bis 8 Kohlenstoffatomen und R² für einen linearen, verzweigten oder cyclischen Alkylrest oder einen Arylrest oder einen Oxy-Alkylrest mit 1 bis 8 Kohlenstoffatomen steht, wobei C_1-4-Alkyloder Phenylreste bevorzugt sind und [Z] für einen linearen Polyhydroxyalkylrest steht, dessen Alkylkette mit mindestens zwei Hydroxylgruppen substituiert ist, oder alkoxylierte, vorzugsweise ethoxylierte oder propoxylierte Derivate dieses Restes.The group of polyhydroxy fatty acid amides also includes compounds of the formula (3),

in the 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 having 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, wherein C _1-4 alkyl or phenyl radicals are preferred and [Z] is a linear polyhydroxyalkyl radical whose Alkyl chain is substituted with at least two hydroxyl groups, or alkoxylated, preferably ethoxylated or propoxylated derivatives of this radical.

[Z] is preferably obtained by reductive amination of a sugar, for example glucose, fructose, maltose, lactose, galactose, mannose or xylose. The N-alkoxy- or N-aryloxy-substituted compounds can then be converted into the desired polyhydroxy fatty acid amides by reaction with fatty acid methyl esters in the presence of an alkoxide as catalyst.

The content of nonionic surfactants is the liquid detergents and cleaners preferably 5 to 30 wt .-%, preferably 7 to 20 wt .-% and in particular 9 to 15 wt .-%, each based on the total agent.

As anionic surfactants, for example, those of the sulfonate type and sulfates are used. As surfactants of the sulfonate type are preferably C _9-13 -Alkylbenzolsulfo rate, olefinsulfonates, ie mixtures of alkene and hydroxyalkanesulfonates and disulfonates, as they are, for example, from C _12-18 monoolefins with terminal or internal double bond by sulfonation with gaseous sulfur trioxide and subsequent alkaline or acidic hydrolysis of Sulfonierungspro products, into consideration. Also suitable are alkanesulfonates which are obtained from C _12-18 alkanes, for example by sulfochlorination or sulfoxidation with subsequent hydrolysis or neutralization. Likewise suitable are the esters of α-sulfo fatty acids (ester sulfonates), for example the α-sulfonated methyl esters of hydrogenated coconut, palm kernel or tallow fatty acids.

Further suitable anionic surfactants are sulfated fatty acid glycerol esters. Fatty acid glycerol esters are to be understood as meaning the mono-, di- and triesters and mixtures thereof, as obtained in the preparation 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) ylsulfates are the alkali metal salts and in particular the sodium salts of the sulfuric monoesters of C ₁₂ -C ₁₈ fatty alcohols, for example coconut fatty alcohol, tallow fatty alcohol, lauryl, myristyl, cetyl or stearyl alcohol or the C ₁₀ -C ₂₀ oxo alcohols and those half-esters of secondary alcohols of these chain lengths are preferred. Further preferred Alk (en) ylsulfates of said chain length, which contain a synthetic, petrochemical-based straight-chain alkyl radical having an analogous degradation behavior as the adequate compounds based on oleochemical raw materials. Of washing technology interest, the C ₁₂ -C ₁₆ alkyl sulfates and C ₁₂ -C ₁₅ alkyl sulfates and C ₁₄ -C ₁₅ alkyl sulfates are preferred. Also 2,3-alkyl sulfates, which can be obtained as commercial products of Shell Oil Company under the name DAN ^® , are suitable anionic surfactants.

Also, the sulfuric acid monoesters of the straight-chain or branched C _7-21 -alcohols ethoxylated with 1 to 6 mol of ethylene oxide, such as 2-methyl-branched C _9-11 alcohols having on average 3.5 moles of ethylene oxide (EO) or C _12-18 fatty alcohols with 1 to 4 EO are suitable. Due to their high foaming behavior, they are only used in detergents in relatively small amounts, for example in amounts of from 1 to 5% by weight.

Further suitable anionic surfactants are also the salts of alkylsulfosuccinic acid, which are also referred to as sulfosuccinates or as sulfosuccinic acid esters and the monoesters and / or diesters of sulfosuccinic acid with alcohols, preferably fatty alcohols and in particular ethoxylated fatty alcohols. Preferred sulfosuccinates contain C _8-18 fatty alcohol residues or mixtures of these. Particularly preferred sulfosuccinates contain a fatty alcohol residue derived from ethoxylated fatty alcohols, which in themselves constitute nonionic surfactants (see description below). Sulfosuccinates, whose fatty alcohol residues are derived from ethoxylated fatty alcohols with a narrow homolog distribution, are again particularly preferred. Likewise, it is also possible to use alk (en) yl-succinic acid having preferably 8 to 18 carbon atoms in the alk (en) yl chain or salts thereof.

Particularly preferred anionic surfactants are soaps. Suitable are saturated and unsaturated fatty acid soaps, such as the salts of lauric acid, myristic acid, palmitic acid, stearic acid, (hydrogenated) erucic acid and behenic acid and, in particular, soap mixtures derived from natural fatty acids, for example coconut, palm kernel, olive oil or tallow fatty acids.

The anionic surfactants including the soaps may be in the form of their sodium, potassium or ammonium salts and as soluble salts of organic bases such as mono-, di- or triethanolamine. The anionic surfactants are preferably present in the form of their sodium or potassium salts, in particular in the form of the sodium salts.

The content of preferred liquid detergents and cleaners to anionic surfactants is 2 to 30 wt .-%, preferably 4 to 25 wt .-% and in particular 5 to 22 wt .-%, each based on the total agent.

The viscosity of the liquid detergents and cleaning agents can be measured by conventional standard methods (for example Brookfield LVT-II viscometer at 20 rpm and 20 ° C., spindle 3) and is preferably in the range from 500 to 5000 mPas. Preferred agents have viscosities from 700 to 4000 mPas, with values between 1000 and 3000 mPas being particularly preferred.

In addition to the capsules and the surfactant (s), the liquid detergents and cleaners may contain further ingredients which further improve the performance and / or aesthetic properties of the liquid detergent and cleaning agent. Preferred agents in the context of the present invention additionally comprise Capsules and to the surfactant (s) one or more substances from the group of builders, bleaching agents, bleach activators, enzymes, electrolytes, nonaqueous solvents, pH adjusters, fragrances, perfume carriers, fluorescers, dyes, hydrotopes, foam inhibitors, silicone oils, anti redeposition agents, optical Brighteners, grayness inhibitors, anti-shrinkage agents, anti-crease agents, color transfer inhibitors, antimicrobial agents, germicides, fungicides, antioxidants, corrosion inhibitors, antistatic agents, ironing auxiliaries, repellents and impregnating agents, swelling and anti-slip agents and UV absorbers.

Suitable builders which may be present in the liquid detergents and cleaners are, in particular, silicates, aluminum silicates (in particular zeolites), carbonates, salts of organic di- and polycarboxylic acids and mixtures of these substances.

Suitable crystalline, layered sodium silicates have the general formula. NaMSi _x O _{2x + 1} H ₂ O, where M is sodium or hydrogen, x is a number from 1.9 to 4 and y is a number from 0 to 20 and preferred values for x are 2, 3 or 4. Preferred crystalline layered silicates of the formula given are those in which M is sodium and x assumes the values 2 or 3. In particular, both β- and δ-sodium disilicates Na ₂ Si ₂ O ₅ .yH ₂ O are preferred.

It is also possible to use amorphous sodium silicate having a modulus Na ₂ O: SiO _{2 of} 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 Delayed and have secondary washing properties. The release delay opposite conventional amorphous sodium silicates may have been caused in various ways, for example by surface treatment, compounding, compaction / densification or by overdrying. In the context of this invention, the term "amorphous" is also understood to mean "X-ray amorphous". This means that the silicates do not yield sharp X-ray reflections typical of crystalline substances in X-ray diffraction experiments, but at most one or more maxima of the scattered X-rays which have a width of several degrees of diffraction angle. However, it may well even lead to particularly good builder properties if the silicate particles provide blurred or even sharp diffraction maxima in electron diffraction experiments. This is to be interpreted as meaning that the products have microcrystalline regions of size 10 to a few hundred nm, with values of up to a maximum of 50 nm and in particular up to a maximum of 20 nm being preferred. Particularly preferred are compacted / compacted amorphous silicates, compounded amorphous silicates and overdried X-ray amorphous silicates.

beschrieben werden kann. Der Zeolith kann als sprühgetrocknetes Pulver oder auch als ungetrocknete, von ihrer Herstellung noch feuchte, stabilisierte Suspension zum Einsatz kommen. Für den Fall, dass der Zeolith als Suspension eingesetzt,wird, kann diese geringe Zusätze an nichtionischen Tensiden als Stabilisatoren enthalten, beispielsweise 1 bis 3 Gew.-%, bezogen auf Zeolith, an ethoxylierten C₁₂-C₁₈-Fettalkoholen mit 2 bis 5 Ethylenoxidgruppen, C₁₂-C₁₄-Fettalkoholen mit 4 bis 5 Ethylenoxidgruppen oder ethoxylierten Isotridecanolen. Geeignete Zeolithe weisen eine mittlere Teilchengröße von weniger als 10 µm (Volumenverteilung; Meßmethode: Coulter Counter) auf und enthalten vorzugsweise 18 bis 22 Gew.-%, insbesondere 20 bis 22 Gew.-% an gebundenem Wasser.The finely crystalline, synthetic and bound water-containing zeolite used is preferably zeolite A and / or P. As zeolite P, zeolite MAP® (commercial product from Crosfield) is particularly preferred. Also suitable, however, are zeolite X and mixtures of A, X and / or P. Commercially available and preferably usable in the context of the present invention is, for example, a cocrystal of zeolite X and zeolite A (about 80% by weight of zeolite X) which is sold by SASOL under the brand name VEGOBOND AX ^® and by the formula), $$\begin{array}{l}{\mathrm{nNa}}_{\mathrm{2}}\mathrm{O}\cdot \left(\mathrm{1}-\mathrm{n}\right){\mathrm{K}}_{\mathrm{2}}\mathrm{O}\cdot {\mathrm{al}}_{\mathrm{2}}{\mathrm{O}}_{\mathrm{3}}\cdot \left(\mathrm{2}-\mathrm{2}.\mathrm{5}\right){\mathrm{SiO}}_{\mathrm{2}}\cdot \left(\mathrm{3}.\mathrm{5}-\mathrm{5}.\mathrm{5}\right){\mathrm{H}}_{\mathrm{2}}\mathrm{O}\\ \mathrm{n}=\mathrm{0}.\mathrm{90}-\mathrm{1}.\mathrm{0}\end{array}$$

can be described. The zeolite can be used as a spray-dried powder or else as undried, still moist, stabilized suspension of its preparation. In the event that the zeolite is used as a suspension, it may contain minor additions of nonionic surfactants as stabilizers, for example 1 to 3 wt .-%, based on zeolite, of ethoxylated C ₁₂ -C ₁₈ fatty alcohols having 2 to 5 Ethylene oxide groups, C ₁₂ -C ₁₄ fatty alcohols having 4 to 5 ethylene oxide groups or ethoxylated isotridecanols. Suitable zeolites have an average particle size of less than 10 μm (volume distribution, measuring method: Coulter Counter) and preferably contain 18 to 22% by weight, in particular 20 to 22% by weight, of bound water.

Of course, a use of the well-known phosphates as builders is possible, unless such use should not be avoided for environmental reasons. Particularly suitable are the sodium salts of orthophosphates, pyrophosphates and in particular tripolyphosphates.

Among the compounds serving as bleaches in water H ₂ O ₂ , sodium perborate tetrahydrate and sodium perborate monohydrate are of particular importance. Other useful bleaching agents are, for example, sodium percarbonate, peroxypyrophosphates, citrate perhydrates and H ₂ O ₂ -producing peracidic salts or peracids, such as perbenzoates, peroxophthalates, diperazelaic acid, phthaloiminoperacid or diperdodecanedioic acid.

In order to achieve an improved bleaching effect when washing at temperatures of 60 ° C and below, bleach activators can be incorporated into the detergents and cleaners. As bleach activators, it is possible to use compounds which, under perhydrolysis conditions, give aliphatic peroxycarboxylic acids having preferably 1 to 10 C atoms, in particular 2 to 4 C atoms, and / or optionally substituted perbenzoic acid. Suitable substances are those which carry O- and / or N-acyl groups of the stated C atom number and / or optionally substituted benzoyl groups. Preference is given to polyacylated alkylenediamines, in particular tetraacetylethylenediamine (TAED), acylated triazine derivatives, in particular 1,5-diacetyl-2,4-dioxohexahydro-1,3,5-triazine (DADHT), acylated glycolurils, in particular tetraacetylglycoluril (TAGU), N- Acylimides, in particular N-nonanoylsuccinimide (NOSI), acylated phenolsulfonates, in particular n-nonanoyl or isononanoyloxybenzenesulfonate (n- or iso-NOBS), carboxylic anhydrides, in particular phthalic anhydride, acylated polyhydric alcohols, in particular triacetin, ethylene glycol diacetate and 2,5-diacetoxy- 2,5-dihydrofuran.

In addition to or in place of the conventional bleach activators, so-called bleach catalysts can also be incorporated into the liquid detergents and cleaners. These substances are bleach-enhancing transition metal salts or transition metal complexes such as, for example, Mn, Fe, Co, Ru or Mo saline complexes or carbonyl complexes. Mn, Fe, Co, Ru, Mo, Ti, V and Cu complexes with nitrogen-containing tripod ligands and Co, Fe, Cu and Ru ammine complexes can also be used as bleach catalysts.

The liquid detergent and cleaning agent preferably contains a thickener. The thickener may for example be a polyacrylate thickener, xanthan gum, gellan gum, Guar gum, alginate, carrageenan, carboxymethyl cellulose, bentonite, wellan gum, locust bean gum, agar-agar, tragacanth, gum arabic, pectins, polyoses, starch, dextrins, gelatin and casein. However, modified natural substances such as modified starches and celluloses, examples which may be mentioned here include carboxymethylcellulose and other cellulose ethers, hydroxyethyl and -propylcellulose and core flour ethers, can be used as thickeners.

The polyacrylic and polymethacrylic thickeners include, for example, the high molecular weight homopolymers of acrylic acid crosslinked with a polyalkenyl polyether, in particular an allyl ether of sucrose, pentaerythritol or propylene (INCI designation " International Dictionary of Cosmetic Ingredients of "The Cosmetic, Toiletry and Fragrance Association (CTFA)": Carbomer ), also referred to as carboxyvinyl polymers. Such polyacrylic acids are available, inter alia, from 3V Sigma under the trade name Polygel®, for example Polygel DA, and from BF Goodrich under the trade name Carbopol®, for example Carbopol 940 (molecular weight about 4,000,000), Carbopol 941 (molecular weight about 250,000) or Carbopol 934 (molecular weight about 3,000,000). Furthermore, the following acrylic acid copolymers are included: (i) Copolymers of two or more monomers from the group of acrylic acid, methacrylic acid and their simple ester, preferably formed with C _1-4 -alkanols (INCI acrylates copolymer), such as the copolymers of methacrylic acid, butyl acrylate and methyl methacrylate (CAS designation according to Chemical Abstracts Service: 25035-69-2 ) or of butyl acrylate and methyl methacrylate ( CAS 25852-37-3 ) and which are available, for example, from Rohm & Haas under the trade names Aculyn® and Acusol® and from Degussa (Goldschmidt) under the trade name Tego® Polymer, for example the anionic non-associative polymers Aculyn 22, Aculyn 28, Aculyn 33 (cross-linked), Acusol 810, Acusol 820, Acusol 823 and Acusol 830 ( CAS 25852-37-3 ); (ii) crosslinked high molecular weight acrylic acid copolymers, such as those crosslinked with an allyl ether of sucrose or pentaerythritol copolymers of C _10-30 alkyl acrylates with one or more monomers selected from the group of acrylic acid, methacrylic acid and their simple, preferably with C _1-4 Alkanols formed, esters (INCI acrylates / C _10-30 alkyl acrylate crosspolymer) include and which are available, for example, from the company. BF Goodrich under the trade name Carbopol®, eg the hydrophobic Carbopol ETD 2623 and Carbopol 1382 (INCI Acrylates / C _{10 -30} alkyl acrylate crosspolymer) and Carbopol Aqua 30 (former Carbopol EX 473).

Another preferred polymeric thickener is xanthan gum, a microbial anionic heteropolysaccharide derived from Xanthomonas campestris and some other species is produced under aerobic conditions and has a molecular mass of 2 to 15 million daltons. Xanthan is formed from a chain of β-1,4-linked glucose (cellulose) with side chains. The structure of the subgroups consists of glucose, mannose, glucuronic acid, acetate and pyruvate, the number of pyruvate units determining the viscosity of the xanthan gum.

Xanthan gum can be described by the following formula (1):

Xanthan gum is available, for example, from Kelco under the trade names Keltrol® and Kelzan® or also from Rhodia under the trade name Rhodopol®.

Preferred aqueous liquid detergents and cleaners contain from 0.01 to 3 wt .-% and preferably 0.1 to 1 wt .-% thickening agent based on the total agent. The amount of thickener used depends on the type of thickener and the desired degree of thickening.

The aqueous liquid detergents and cleaners may contain enzymes in encapsulated form and / or directly in the detergent composition. Particularly suitable enzymes are those from the classes of hydrolases such as the proteases, esterases, lipases or lipolytic enzymes, amylases, cellulases or other glycosyl hydrolases and mixtures of the enzymes mentioned. All of these hydrolases carry in the Laundry for the removal of stains such as proteinaceous, fat or starchy stains and graying at. In addition, cellulases and other glycosyl hydrolases may contribute to color retention and to enhancing the softness of the fabric by removing pilling and microfibrils. Oxireductases can also be used for bleaching or inhibiting color transfer. Particularly suitable are from bacterial strains or fungi such as Bacillus subtilis; Bacillus licheniformis, Streptomyceus griseus and Humicola insolens derived enzymatic agents. Preferably, subtilisin-type proteases and in particular proteases derived from Bacillus lentus are used. In this case, enzyme mixtures, for example from protease and amylase or protease and lipase or lipolytic enzymes or protease and cellulase or from cellulase and lipase or lipolytic enzymes or from protease, amylase and lipase or lipolytic enzymes or protease, lipase or lipolytic enzymes and cellulase, but in particular protease and / or lipase-containing mixtures or mixtures with lipolytic enzymes of particular interest. Examples of such lipolytic enzymes are the known cutinases. Peroxidases or oxidases have also proved suitable in some cases. Suitable amylases include in particular α-amylases, iso-amylases, pullulanases and pectinases. As cellulases are preferably cellobiohydrolases, endoglucanases and β-glucosidases, which are also called cellobiases, or mixtures thereof used. Since different cellulase types differ by their CMCase and avicelase activities, the desired activities can be set by targeted mixtures of the cellulases.

The enzymes may be adsorbed to carriers to protect against premature degradation. The proportion of enzymes, enzyme mixtures or enzyme granules directly in the detergent composition may be, for example, about 0.1 to 5% by weight, preferably 0.12 to about 2.5% by weight.

As electrolytes from the group of inorganic salts, a wide number of different salts can be used. 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 ₂ in the compositions is preferred. The proportion of electrolytes in the agents is usually 0.5 to 5 wt .-%.

Non-aqueous solvents which can be used in the liquid detergents and cleaners, for example, from the group of monohydric or polyhydric alcohols, alkanolamines or glycol ethers, provided that they in the specified concentration range with Water are miscible. Preferably, the solvents are selected from ethanol, n- or i-propanol, butanols, glycol, propane or butanediol, glycerol, diglycol, propyl or butyldiglycol, hexylene glycol, ethylene glycol methyl ether, ethylene glycol ethyl ether, ethylene glycol propyl ether, ethylene glycol mono-n-butyl ether, diethylene glycol methyl ether, diethylene glycol ethyl ether Propylene glycol methyl, ethyl or propyl ether, dipropylene glycol monomethyl or ethyl ether, di-isopropylene glycol monomethyl or ethyl ether, methoxy, ethoxy or butoxy triglycol; 1-butoxyethoxy-2-propanol, 3-methyl-3-methoxybutanol, propylene glycol t-butyl ether and mixtures of these solvents. Non-aqueous solvents can be used in the liquid detergents and cleaners in amounts between 0.5 and 15 wt .-%, but preferably below 12 wt .-% and in particular below 9 wt .-%.

In order to bring the pH of the liquid detergents and cleaners into the desired range, the use of pH adjusters may be indicated. Can be used here are all known acids or alkalis, unless their use is not for technical application or environmental reasons or for reasons of consumer protection prohibited. Usually, the amount of these adjusting agents does not exceed 7% by weight of the total formulation.

In order to improve the aesthetic impression of the liquid washing and cleaning agents, they can be dyed with suitable dyes. Preferred dyes, the selection of which presents no difficulty to the skilled person, have a high storage stability and insensitivity to the other ingredients of the agents and to light and no pronounced substantivity to textile fibers so as not to stain them.

As foam inhibitors; which can be used in liquid detergents and cleaning agents, for example, soaps, paraffins or silicone oils into consideration, which may optionally be applied to support materials.

Suitable soil release polymers, also referred to as "anti-redeposition agents", include, for example, nonionic cellulose ethers such as methyl cellulose and methyl hydroxypropyl cellulose having a methoxy group content of 15 to 30 wt% and hydroxypropyl groups of 1 to 15 wt%, respectively based on the nonionic cellulose ether and the known from the prior art polymers of phthalic acid and / or terephthalic acid or derivatives thereof, in particular polymers of ethylene terephthalates and / or polyethylene and / or polypropylene glycol terephthalates or anionic and / or nonionic modified derivatives thereof. Suitable derivatives include the sulfonated derivatives of the phthalic and terephthalic acid polymers.

Optical brighteners (so-called "whiteners") can be added to the liquid detergents and cleaning agents in order to eliminate graying and yellowing of the treated textile fabrics. These fabrics impinge on the fiber and cause whitening and bleaching by transforming invisible ultraviolet radiation into visible longer wavelength light, emitting the ultraviolet light absorbed from the sunlight as faint bluish fluorescence, and pure with the yellowness of the grayed or yellowed wash White results. Suitable compounds are derived, for example, from the substance classes of 4,4'-diamino-2,2'-stilbenedisulfonic acids (flavonic acids), 4,4'-distyrylbiphenyls, methylumbelliferones, coumarins, dihydroquinolinones, 1,3-diarylpyrazolines, naphthalimides, benzoxazole , Benzisoxazol- and benzimidazole systems and substituted by heterocycles pyrene derivatives. The optical brighteners are usually used in amounts of between 0.03 and 0.3 wt .-%, based on the finished composition.

Grayness inhibitors have the task of keeping the dirt detached from the fiber suspended in the liquor and thus preventing the dirt from being rebuilt. Here, water-soluble colloids are mostly of organic nature, for example, glue, gelatin, salts of ether sulfonic acids or cellulose or salts of acidic sulfuric acid esters of cellulose or starch. Also, water-soluble polyamides containing acidic groups are suitable for this purpose. It is also possible to use soluble starch preparations and starch products other than those mentioned above, for example degraded starch, aldehyde starches, etc. Polyvinylpyrrolidone is also useful. However, preference is given to using cellulose ethers such as carboxymethylcellulose (Na salt), methylcellulose, hydroxyalkylcellulose and mixed ethers such as methylhydroxyethylcellulose, methylhydroxypropylcellulose, methylcarboxymethylcellulose and mixtures thereof in amounts of from 0.1 to 5% by weight, based on the compositions.

Since fabrics, particularly rayon, rayon, cotton and blends thereof, can tend to wrinkle because the individual fibers are susceptible to flexing, buckling, squeezing and squeezing across the grain, the compositions may contain synthetic crease inhibitors. These include, for example, synthetic products based on fatty acids, fatty acid esters, fatty acid amides, alkylol esters, -alkylolamides or fatty alcohols, which are usually reacted with ethylene oxide, or products based on lecithin or modified phosphoric acid ester.

To combat microorganisms, the liquid detergents and cleaning agents may contain antimicrobial agents. Depending on the antimicrobial spectrum and mechanism of action, a distinction is made between bacteriostatic agents and bactericides, fungistatics and fungicides, etc. Important substances from these groups are, for example, benzalkonium chlorides, alkylarylsulfonates, halophenols and phenolmercuric acetate, and the compounds according to the invention can be completely dispensed with.

To prevent undesirable changes to the liquid detergents and cleaners and / or the treated fabrics caused by oxygen and other oxidative processes, the agents may contain antioxidants. This class of compounds includes, for example, substituted phenols, hydroquinones, catechols and aromatic amines, as well as organic sulfides, polysulfides, dithiocarbamates, phosphites and phosphonates.

Increased comfort may result from the additional use of antistatic agents added to the compositions. Antistatic agents increase the surface conductivity and thus allow an improved drainage of formed charges. External antistatic agents are generally substances with at least one hydrophilic molecule ligand and give a more or less hygroscopic film on the surfaces. These mostly surface-active antistatic agents can be subdivided 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 suitable as antistatic agents for textile fabrics or as an additive to detergents, with an additional finishing effect being achieved.

To improve the water absorbency, the rewettability of the treated fabrics and to facilitate the ironing of the treated fabrics, for example, silicone derivatives can be used in the liquid detergents and cleaners. These additionally improve the rinsing behavior of the agents by their foam-inhibiting properties. Preferred silicone derivatives are, for example, polydialkyl or alkylaryl siloxanes in which the alkyl groups have one to five carbon atoms and are completely or partially fluorinated. Preferred silicones are polydimethylsiloxanes, which may optionally be derivatized and are then amino-functional or quaternized or have Si-OH, Si-H and / or Si-Cl bonds. The viscosities of the preferred silicones are in the range between 100 and 100,000 mPas at 25 ° C, the silicones in Amounts between 0.2 and 5 wt .-%, based on the total agent can be used.

Finally, the liquid detergents and cleaners may also contain UV absorbers that wick onto the treated fabrics and improve the lightfastness of the fibers. Compounds having these desired properties include, for example, the non-radiative deactivating compounds and derivatives of benzophenone having substituents in the 2- and / or 4-position. Also suitable are 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 urocanic acid.

In order to avoid the catalyzed by heavy metals decomposition of certain detergent ingredients, substances that complex heavy metals can be used. Suitable heavy metal complexing agents are, for example, the alkali metal salts of ethylenediaminetetraacetic acid (EDTA) or nitrilotriacetic acid (NTA) and alkali metal salts of anionic polyelectrolytes such as polymaleates and polysulfonates.

A preferred class of complexing agents are the phosphonates, which in preferred liquid detergents and cleaners in amounts of from 0.01 to 2.5 wt .-%, preferably 0.02 to 2 wt .-% and in particular from 0.03 to 1 , 5 wt .-% are included. These preferred compounds include in particular organophosphonates such as 1-hydroxy-ethane-1,1-diphosphonic acid (HEDP), aminotri (methylenephosphonic acid) (ATMP), diethylenetriamine penta (methylenephosphonic acid) (DTPMP or DETPMP) and 2-phosphonobutane-1 , 2,4-tricarboxylic acid (PBS-AM), which are used mostly in the form of their ammonium or alkali metal salts.

The resulting aqueous liquid detergents and cleaners are preferably clear, ie they have no sediment and are particularly preferably transparent or at least translucent.

The detergents and cleaners according to the invention can be used for cleaning textile fabrics.

The preparation of liquid detergents and cleaners by conventional methods and methods in which, for example, the components simply in stirred tanks are mixed, with water, non-aqueous solvents and surfactant (s) are suitably presented and the other ingredients are added in portions. Separate heating during production is not required; if desired, the temperature of the mixture should not exceed 80 ° C. According to the invention, the process for the preparation of the liquid detergents and cleaners comprises the addition or use of aluminum silicate and silica in a ratio of 1:10 to 10: 1.

The capsules can be stably dispersed in the aqueous liquid detergent and cleaner, for example. Stable means that the compositions are stable at room temperature and at 40 ° C for a period of at least 4 weeks and preferably at least 6 weeks, without the capsules being creamed or sedimented.

embodiments example 1

Various capsules K1 to K6 according to the invention with alginate as matrix material in a hardening bath were produced or vetropft by means of a Rieter drip system. In addition, for comparison, two capsules E1 and E2 not according to the invention were prepared in the same way.

The respective alginate solutions had the compositions given in Table 1 (in% by weight). <b><u> Table 1 </ u></b> K1 K2 K3 K4 K5 K6 K7 K8 K9 E1 E2 Na alginate 1 0.9 0.8 0.6 0.95 0.95 0.95 0.95 1 1 1 Wessalith® 4000 1 2 3 4 3 3 3 3 3 - 5 Sipernat® 22S 3 3 3 3 3 3 3 3 3 - Hollow microspheres ¹ 4 4 4 4 4 3.5 4 4 3.5 4 5 preservative 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 dye 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.2 cellulase 1 1 1 1 - - - - - 1 - cellulose 1 1 1 1 - - - - - 1 - Marloquest® 4000 L 235 M - - - - 1 - - - - - SRP Repellotex® 6 - - - - - - 0.5 - - - - Präpagen® HY - - - - 0.5 - - - - 1 Sokalan® HP 56 - - - - - - - 1 - - - Tinopal® UNPA - - - - - - - - 1 - - water Ad 100 Ad 100 Ad 100 Ad 100 Ad 100 Ad 100 Ad 100 Ad 100 Ad 100 Ad 100 Ad 100 ¹ ceramic hollow microspheres with a diameter in the range of 10 to 125 microns and a density in the range of 0.5 to 0.7 g cm ^-3 .

The hardening bath used contained
2.5% by weight CaCl ₂
0.05% by weight preservative
and to 100% by weight of water.

Table 2 shows washing and cleaning agents W1 to W4 according to the invention. The washing and cleaning agents W1 to W4 obtained had a viscosity of around 1,000 mPas. The pH of the liquid detergents and cleaners was 8.5. <b> Table 2 </ b> W1 W2 W3 W4 Gellan gum 0.2 0.2 0.15 - Xanthan gum - - 0.15 - Polyacrylate (Carbopol Aqua 30) 0.4 0.4 - 1.5 C _12-14 fatty alcohol with 7 EO 22 10 10 10 C _9-13 Alkylbenzenesulfonate, Na salt - 10 10 10 C _12-14 alkylpolyglycoside 1 - - - citric acid 1.6 3 3 3 phosphonic 0.5 1 1 1 Sodium lauryl ether sulfate with 2 EO 10 5 5 - Monoethanolamine 3 3 3 - C _12-18 fatty acid 7.5 7.5 7.5 5 propylene glycol - 6.5 6.5 6.5 Na cumene - 2 2 - boric acid - - - 1 defoamers 0.3 0.3 0.3 0.3 Enzymes, dyes, stabilizers + + + + Capsules K6 with approx. 2000 μm ∅ 0.5 0.5 0.5 0.5 water Ad 100 Ad 100 Ad 100 Ad 100

The capsules K6 could be easily incorporated into the detergents and cleaners. In particular, no turbidity of the washing and cleaning agents W1 to W4 occurred.

Example 2

Washing tests were carried out with the washing and cleaning agent W4 , which contained 0.5% by weight of capsules. The washing tests were carried out with a washing machine from AEG (Eco-Lavamat 88840) using the wool program at a load of 2 kg. The load consisted of prefabricated parts made of cotton and blended fabrics of cotton with, for example, microfiber, spandex, polyamide, Polyester and / or viscose, as well as fabric sections made of cotton or a blend of polyamide elastane. The washed pieces were then examined for any residue and rated with a grade of 1 to 6, with grade 1 (= no residue) being the best grade. <b><u> Table 3 </ u></b> Capsule in the detergent K1 K2 K3 K4 E1 E2 1st attempt ∅ Note 1.1 1.0 1.0 1.0 1.1 1.2 lowest grade 1 1 1 1 1 1 highest grade 2 1 1 1 2 2.5 Second attempt ∅ Note 1.0 1.0 1.0 1.0 1.1 1.1 lowest grade 1 1 1 1 1 1 highest grade 1 1 1 1 2 2

It is clear from Table 3 that the capsules K1 to K4 according to the invention have an improved solubility behavior compared to the capsules E1 and E2 . In particular, the capsules K2 to K4 dissolve in all washing tests without residue.

The capsules K5 to K8 also have an improved solubility behavior compared with the comparison capsules E1 and E2 .

Claims (10)

1. An aqueous liquid washing and cleaning agent containing surfactant(s) as well as further usual ingredients of washing and cleaning agents, characterized in that the agent contains at least one capsule, the capsule comprising an active ingredient, an aluminum silicate, and a silicic acid in a matrix, the aluminum silicate and the silicic acid being present at a ratio from 1:10 to 10:1.
2. The aqueous liquid washing and cleaning agent according to Claim 1, characterized in that the aluminum silicate and the silicic acid are present at a ratio from 1:4 to 4:1, particularly preferably 2:3 to 4:3.
3. The aqueous liquid washing and cleaning agent according to Claim 1 or Claim 2, characterized in that the active ingredient is selected from the group encompassing optical brighteners, surfactants, complexing agents, bleaching agents, bleach activators, dyes, fragrances, antioxidants, builders, enzymes, enzyme stabilizers, antimicrobial active substances, graying inhibitors, anti-redeposition agents, pH adjusting agents, soil release polymers, color transfer inhibitors, electrolytes, conditioning oils, abrasive material, skin-care agents, foam inhibitors, vitamins, proteins, preservatives, washing power intensifiers, luster agents, and UV absorbers.
4. The aqueous liquid washing and cleaning agent according to one of Claims 1 to 3, characterized in that the capsule additionally contains at least one hollow microsphere.
5. The aqueous liquid washing and cleaning agent according to one of Claims 1 to 4, characterized in that the matrix is selected from a material from the group encompassing carrageenan, alginate, and gellan gum.
6. The aqueous liquid washing and cleaning agent according to one of Claims 1 to 5, characterized in that the capsule has a diameter from 0.01 to 10,000 µm along its greatest physical extension.
7. Use of the washing and cleaning agent according to one of Claims 1 to 6 for the cleaning of textile fabrics.
8. A method for manufacturing an aqueous liquid washing and cleaning agent containing surfactant(s) as well as further usual ingredients of washing and cleaning agents and at least one capsule, the capsule encompassing an active ingredient, an aluminum silicate, and a silicic acid in a matrix, wherein the aluminum silicate and the silicic acid are used at a ratio from 1:10 to 10:1.
9. A capsule encompassing an active ingredient, an aluminum silicate, and a silicic acid in a matrix, characterized in that the matrix contains the aluminum silicate and the silicic acid at a ratio from 1:10 to 10:1 and at least one hollow microsphere with a specific gravity of less than 1 g·cm^-3 and a diameter from 2 to 500 µm.
10. Use of aluminum silicate and silicic acid at a ratio from 1:10 to 10:1 in a capsule encompassing an active ingredient, an aluminum silicate, and a silicic acid in a matrix, in order to improve the solubility of the capsule.