EP3196284B1 - Removal of anti-transpirant contamination - Google Patents

Description

The present invention relates to the use of certain polymers as soil release-modifying agents to enhance the cleaning performance of detergents in the washing of textiles.

Detergents contain in addition to the indispensable for the washing process ingredients such as surfactants and builder materials usually further ingredients that can be summarized by the term washing aids and include as different drug groups such as foam regulators, grayness inhibitors, bleach, bleach activators and dye transfer inhibitors. Such adjuvants also include substances which impart soil repellency properties to the laundry fiber and, if present during the wash, aid the soil release properties of the remaining detergent ingredients. The same applies mutatis mutandis to cleaners for hard surfaces. Such soil release agents are often referred to as "soil release" agents or because of their ability to render the treated surface, e.g., the fiber, soil-repellent as "soil repellents". For example, from the US patent US 4,136,038 the soil release ability of methyl cellulose is known, and the European patent application EP 0 213 729 discloses the reduced redeposition when using detergents containing a combination of soap and nonionic surfactant with alkyl hydroxyalkyl cellulose.

Because of their chemical similarity to polyester fibers in textiles of this material particularly effective soil release agents are copolyesters containing dicarboxylic acid units such as terephthalic acid or sulfoisophthalic acid, alkylene glycol units such as ethylene glycol or propylene glycol and polyalkylene glycol units such as polyethylene glycol. Dirt-releasing copolyesters of the type mentioned as well as their use in detergents have been known for a long time.

These polymers known from the prior art have the disadvantage that they have no or only insufficient effectiveness, in particular for textiles which are not or at least not predominantly made of polyester. However, much of today's textiles is made of cotton or cotton-polyester blends, so a need for especially oily and greasy stains on such textiles more effective soil release wealthy agents.

Among the more recently perceived as difficult to remove by the consumer soiling are antiperspirant soils. Textile antiperspirant soils typically result from the repeated application of an aluminum salt-containing antiperspirant to the human body, the transfer of antiperspirant ingredients to a textile surrounding the human body, and the interaction with body dirt and sweat. By washing with a conventional detergent, the Antiperspirantanschmutzung is often not or at least not completely remove; on the contrary, it can come through the action of the wash liquor and thereby in particular in the presence of other soiled textiles, in the washing process to increase the negative color impression of the antiperspirant stain on the textile. Out WO 2005/049676 . DE 3528460 and DE102012220241 copolymers are known for increasing the washing performance of laundry detergents. From the international patent application WO 2014/154508 A1 It is known that the formation of block copolymers of polyether alcohol (meth) acrylic acid esters and aminoalcohol or ammonium alcohol (meth) acrylic acid esters on textiles facilitates the detachment of soiling which subsequently deposits on the textiles.

Surprisingly, it has been found that the use of certain polymers which are obtainable from the copolymerization of esters of methacrylic acid with polyether alcohols and of esters of methacrylic acid with amino alcohols, have a particularly good dirt-removal-capable action, in particular with regard to antiperspirant antifouling.

in der n für eine Zahl gleich oder größer 3, insbesondere für eine Zahl im Bereich von 3 bis 120, bevorzugter für eine Zahl von 5 bis 50 und besonders bevorzugt für eine Zahl von 7 und 46 steht, wobei in einer Ausführungsform n ausgewählt ist aus der Gruppe umfassend die Zahlen 7, 23 und 46,
mit mindestens einer Verbindung der Formel (II),

in der A^- für ein Anion, insbesondere ausgewählt aus Halogeniden, wie Fluorid, Chlorid, Bromid, lodid, Sulfat, Hydrogensulfat, Alkylsulfat wie Methylsulfat, und Mischungen aus diesen, steht,
zur Verstärkung der Reinigungsleistung von Waschmitteln beim Waschen von Textilien, die insbesondere aus Baumwolle bestehen oder Baumwolle enthalten, insbesondere gegenüber Antitranspirantanschmutzungen.The invention relates to the use of polymers obtainable by free-radical copolymerization of at least one compound of the formula (I)

in which n is a number equal to or greater than 3, in particular a number in the range of 3 to 120, more preferably a number of 5 to 50, and particularly preferably a number of 7 and 46, in one embodiment n being selected the group comprising the numbers 7, 23 and 46,
with at least one compound of the formula (II),

in the A ^{- is} an anion, in particular selected from halides, such as fluoride, chloride, bromide, iodide, sulfate, hydrogen sulfate, alkyl sulfate, such as methyl sulfate, and mixtures thereof,
to enhance the cleaning performance of detergents in the washing of textiles, in particular cotton or containing cotton, in particular against Antitranspirantanschmutzungen.

Particularly pronounced is the washing performance-enhancing effect of the polymers to be used according to the invention with multiple applications, that is to say in particular for removing stains from corresponding textiles which had already been washed and / or post-treated in the presence of the polymer before being provided with the stain. In the context of aftertreatment, it should be noted that the designated positive aspect can also be realized by a washing process in which the textile, after the actual washing process, is carried out with the aid of a detergent which may contain a named polymer, but in this case may also be free of this, with an aftertreatment agent which contains a polymer to be used according to the invention, for example, in the context of a fabric softening step is brought into contact. In this procedure as well, if again, if desired, no washing agent is used again with a polymer mentioned in the next washing process, the washing performance-enhancing effect of the polymers to be used according to the invention occurs.

The polymers to be used according to the invention can be obtained by basically known radical polymerization processes. In this case, a mixture of compound of general formula (I) and compound of general formula (II) in the presence of a radical initiator, such as a bi-azo compound, a persulfate, a peroxide or a hydroperoxide, if desired in the presence of a reducing agent such as Ascorbic acid or hydroxymethylsulfinate to random copolymers. Alternatively, the monomer of the general formula (I) or the monomer of the general formula (II) can first be subjected to free-radical polymerization and then free-radically polymerized onto the monomer of the general formula (II) or the monomer of the general formula (I), such that Copolymers receives. According to the invention, preference is given to random copolymers. In the polymerization, about 0.01 wt .-% to 5 wt .-% radical initiator, based on the total amount of monomers used, is usually present.

ersetzt sein. Bei der Herstellung der erfindungsgemäß eingesetzten Polymere kann man auch von der Monomerverbindung (III) ausgehen und das nach deren Umsetzung mit der Verbindung der allgemeinen Formel (I) erhaltene Copolymer mit einem Methylierungsmittel umsetzen.Preferred polymers used according to the invention are obtainable by copolymerization of the compound according to general formula (I) and the compound according to general formula (II) in molar ratios in the range from 1:99 to 75:25, in particular in the range from 5:95 to 70: 30th Apart from components derived from radical initiator or terminator compounds, the polymers used according to the invention preferably contain no moieties derived from monomers other than the compounds of the general formulas (I) and (II). However, a portion of the amount of units derived from compounds of general formula (II), which is preferably not more than 60 mole% based on the units of compounds of general formula (II), may be from units of the corresponding non-quaternized Compound of the formula (III)

be replaced. In the preparation of the polymers used according to the invention it is also possible to start from the monomer compound (III) and to react the copolymer obtained after its reaction with the compound of the general formula (I) with a methylating agent.

The average molecular weight (weight average) of the polymers used according to the invention is preferably in the range from 10,000 g / mol to 100,000 g / mol, in particular from 20,000 g / mol to 70,000 g / mol.

Another object of the invention is a process for washing textiles, in which a detergent and a soil release agent in the form of a polymer as defined above are used. In the context of this process, a textile provided with, in particular, antiperspirant soils, which consists in particular of cotton or contains cotton, is brought into contact with the polymer in aqueous wash liquor in order to remove the soils from the textiles, wholly or at least to a satisfactory extent. These methods can be carried out manually or optionally with the aid of a conventional household washing machine. It is possible to use the detergent and soil release agent simultaneously or sequentially. The simultaneous application can be particularly advantageous by the use of a detergent containing the soil release agent, perform.

The effect of the active ingredient to be used according to the invention when applied to the textile is particularly pronounced before the soiling reaches the textile, that is to say in particular Removal of soiling of textiles which had already been washed and / or post-treated in the presence of the active substance before being provided with the soiling to be removed. In connection with the aftertreatment it should be pointed out that the designated positive aspect can also be realized by a washing process in which the textile after the actual washing process, with the help of a detergent which may contain a named active ingredient, but in this case also free may be carried out by this, with an aftertreatment agent, for example in the context of a fabric softening step, which contains an active substance to be used according to the invention is brought into contact. In this procedure as well, if desired again a detergent without an active ingredient to be used according to the invention is used in the next washing process, the washing performance-enhancing effect of the active ingredients to be used according to the invention occurs. This is significantly higher than that resulting from the use of a conventional soil release agent. In a particularly preferred embodiment, the addition of the active ingredient essential to the invention takes place in the fabric softening cycle of the textile washing.

As described, the polymers used according to the invention can be prepared in a simple manner and are ecologically and toxicologically harmless. They lead to a significantly better detachment of, in particular, antiperspirant stains from, in particular, textiles made of cotton or cotton-containing fabrics, as is the case when compounds previously known for this purpose are used.

The use according to the invention can be carried out as part of a washing process by adding the soil release agent to a detergent-containing liquor, or preferably incorporating the active ingredient as a component of a laundry detergent into the liquor containing the fabric to be cleaned or contacted with it.

The use according to the invention within the scope of a laundry aftertreatment process can be carried out in such a manner that the rinse liquor is added separately to the rinse liquor which is used after the wash cycle using a particular bleach-containing detergent, or it is incorporated as a component of the laundry aftertreatment agent, in particular a softener. In this aspect of the invention, the laundry detergent used before the laundry aftertreatment agent may also contain, but may be free from, an active ingredient to be used according to the invention.

A washing or laundry aftertreatment agent containing a named polymer is, for example, particulate and in a preferred embodiment hydrous and liquid, and in the latter case has in particular a water content in the range from 50% to 90% by weight.

The washing process is preferably carried out at a temperature of 15 ° C to 60 ° C, more preferably at a temperature of 20 ° C to 40 ° C. The washing process is furthermore preferably carried out at a pH of 6 to 11, particularly preferably at a pH of 7.5 to 9.5. The use concentration of the above-defined polymer in the washing or laundry aftertreatment liquor is preferably in the range from 0.005 g / l to 20 g / l, in particular from 0.1 g / l to 2 g / l.

Agents containing an active ingredient to be used according to the invention or used together or used in the method according to the invention may contain all the usual other constituents of such agents which do not undesirably interact with the active ingredient essential to the invention, in particular surfactant. The active substance defined above is preferably used in amounts of from 0.001% by weight to 10% by weight, in particular from 0.05% by weight to 5% by weight, these and the following amounts being based on the total agent , unless otherwise stated.

An agent which contains an active ingredient to be used according to the invention or is used together or can be used in the process according to the invention can be, in particular, builder substances, surface-active surfactants, water-miscible organic solvents, enzymes, sequestering agents, electrolytes, pH regulators, polymers with special effects, such as soil release polymers, color transfer inhibitors, grayness inhibitors, wrinkle reducing and shape-retaining polymeric active ingredients, and other auxiliaries, such as optical brighteners, foam regulators, dyes and fragrances.

The agents may contain one or more surfactants, in particular anionic surfactants, nonionic surfactants and mixtures thereof, but also cationic and / or amphoteric surfactants may be included.

As nonionic surfactants, it is possible to use all nonionic surfactants known to the person skilled in the art. 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 may contain linear and methyl-branched radicals in the mixture, as they are usually present in Oxoalkoholresten. In particular, however, alcohol ethoxylates with linear radicals of alcohols of natural origin having 12 to 18 carbon atoms, for example of coconut, palm, tallow or oleyl alcohol, and on average 2 to 8 moles of EO per mole of alcohol are preferred. The preferred ethoxylated alcohols include, for example, C _12-14 alcohols with 3 EO or 4 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 5 EO. The specified degrees of ethoxylation represent statistical averages that may correspond to a particular product of an integer or a fractional number. Preferred alcohol ethoxylates have a narrow homolog distribution (narrow range ethoxylates, NRE).

Alternatively or in addition to these nonionic surfactants, it is also possible to use fatty alcohols with more than 12 EO. Examples include tallow fatty alcohol with 14 EO, 25 EO, 30 EO or 40 EO. In addition, other nonionic surfactants which can also be employed are alkylglycosides of the general formula R ⁵ O (G) _x , in which R ^{5 is} a primary straight-chain or methyl-branched, especially methyl-branched, 2-position aliphatic radical having 8 to 22, preferably 12 to 18 carbon atoms. Corresponds to 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 indicates the distribution 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 are alkoxylated, preferably ethoxylated or ethoxylated and propoxylated fatty acid alkyl esters, preferably having from 1 to 4 carbon atoms in the alkyl chain.

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 can also be used. 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 R für einen aliphatischen Acylrest mit 6 bis 22 Kohlenstoffatomen, R¹ für Wasserstoff, einen Alkyl- oder Hydroxyalkylrest mit 1 bis 4 Kohlenstoffatomen und [Z] für einen linearen oder verzweigten Polyhydroxyalkylrest mit 3 bis 10 Kohlenstoffatomen und 3 bis 10 Hydroxylgruppen 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 nachfolgender Acylierung mit einer Fettsäure, einem Fettsäurealkylester oder einem Fettsäurechlorid erhalten werden können. Zur Gruppe der Polyhydroxyfettsäureamide gehören auch Verbindungen der Formel

in der R für einen linearen oder verzweigten Alkyl- oder Alkenylrest mit 7 bis 12 Kohlenstoffatomen, R¹ für einen linearen, verzweigten oder zyklischen Alkylrest oder einen Arylrest mit 2 bis 8 Kohlenstoffatomen und R² für einen linearen, verzweigten oder zyklischen Alkylrest oder einen Arylrest oder einen Oxy-Alkylrest mit 1 bis 8 Kohlenstoffatomen steht, wobei C_1-4-Alkyl- oder 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. [Z] wird vorzugsweise durch reduktive Aminierung eines reduzierten Zuckers erhalten, beispielsweise Glucose, Fructose, Maltose, Lactose, Galactose, Mannose oder Xylose. Die N-Alkoxy- oder N-Aryloxy-substituierten Verbindungen können durch Umsetzung mit Fettsäuremethylestern in Gegenwart eines Alkoxids als Katalysator in die gewünschten Polyhydroxyfettsäureamide überführt werden.Further suitable surfactants are polyhydroxy fatty acid amides of the formula

wherein R is an aliphatic acyl radical having 6 to 22 carbon atoms, R ^{1 is} hydrogen, an alkyl or hydroxyalkyl radical having 1 to 4 carbon atoms and [Z] is a linear or branched polyhydroxyalkyl radical having 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

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 oxyalkyl radical having 1 to 8 carbon atoms, with C _1-4 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 residue. [Z] is preferably obtained by reductive amination of 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.

As anionic surfactants, for example, those of the sulfonate type and sulfates are used. Preferred surfactants of the sulfonate type are C _9-13 -alkylbenzenesulfonates, olefinsulfonates, that is to say mixtures of alkene and hydroxyalkanesulfonates and also disulfonates, as are obtained, for example, from C _12-18 -monoolefins having terminal or internal double bonds by sulfonation with gaseous Sulfur trioxide and subsequent alkaline or acid hydrolysis of the sulfonation obtained. 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 glycerol 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.

Also suitable are alkyl sulfates of the general formula

RO-SO ₃ M,

in which R is a linear, branched or cyclic saturated hydrocarbon radical having from 12 to 18, in particular 12 to 14, carbon atoms and M is a countercation leading to charge neutralization of the sulfuric acid half-ester, in particular a sodium or potassium ion or an ammonium ion of the general formula

R ¹ R ² R ³ R ⁴ N ⁺ ,

in which R ¹ , R ² , R ³ , and R ⁴ independently of one another represent hydrogen, an alkyl group having 1 to 4 C atoms or a hydroxyalkyl group having 2 to 3 C atoms. Preferred radicals R are derived from native C ₁₂ -C ₁₈ fatty alcohols, such as, for example, coconut fatty alcohol, tallow fatty alcohol, lauryl, myristyl, cetyl or stearyl alcohol, or the C ₁₀ -C ₂₀ oxo alcohols or secondary alcohols of these chain lengths. Also preferred are alkyl sulfates of said chain length, which contain a synthetic, straight-chain alkyl radical produced on a petrochemical basis, which have an analogous degradation behavior as the adequate compounds based on oleochemical raw materials. C ₁₂ -C ₁₆ alkyl sulfates and C ₁₂ -C ₁₄ alkyl sulfates are particularly preferred.

The sulfuric acid monoesters of straight-chain or branched C _7-21 -alcohols ethoxylated with from 1 to 6 mol of ethylene oxide, such as 2-methyl-branched C _9-11- alcohols having on average 3.5 mol of ethylene oxide (EO) or C _12-18 . Fatty alcohols with 1 to 4 EO are suitable.

Further 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 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 by themselves are nonionic surfactants. 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) ylsuccinic acid having preferably 8 to 18 carbon atoms in the alk (en) yl chain or salts thereof.

As further anionic surfactants are particularly soaps into consideration. Suitable are saturated 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 of natural fatty acids, e.g. Coconut, palm kernel or tallow fatty acids, derived soap mixtures.

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.

Instead of the surfactants mentioned or in conjunction with them, it is also possible to use cationic and / or amphoteric surfactants.

worin jede Gruppe R¹ unabhängig voneinander ausgewählt ist aus C_1-6-Alkyl-, -Alkenyl- oder -Hydroxyalkylgruppen; jede Gruppe R² unabhängig voneinander ausgewählt ist aus C_8-28-Alkyl- oder -Alkenylgruppen; R³ = R¹ oder (CH₂)_n-T-R²; R⁴ = R¹ oder R² oder (CH₂)_n-T-R²; T = -CH₂-, -O-CO- oder -CO-O- und n eine ganze Zahl von 0 bis 5 ist.As cationic active substances, for example, cationic compounds of the following formulas can be used:

wherein each R ^{1 group is} independently selected from C _1-6 alkyl, alkenyl or hydroxyalkyl groups; each R ^{2 group is} independently selected from C _8-28 alkyl or alkenyl groups; R ³ = R ¹ or (CH ₂ ) _n -TR ² ; R ⁴ = R ¹ or R ² or (CH ₂ ) _n -TR ² ; T = -CH ₂ -, -O-CO- or -CO-O- and n is an integer from 0 to 5.

Such surfactants are present in detergents in amounts of preferably from 5% by weight to 50% by weight, in particular from 8% by weight to 30% by weight.

Textile softening compounds can be used to care for the textiles and to improve the textile properties such as a softer "touch" (avivage) and reduced electrostatic charge (increased wearing comfort). The active ingredients of these formulations are quaternary ammonium compounds having two hydrophobic groups, such as the Disteraryldimethylammoniumchlorid, but which is increasingly replaced because of its insufficient biodegradability by quaternary ammonium compounds containing ester groups in their hydrophobic residues as predetermined breaking points for biodegradation.

Such "esterquats" with improved biodegradability are obtainable, 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. Suitable as a finishing agent is dimethylolethyleneurea.

A detergent preferably contains at least one water-soluble and / or water-insoluble, organic and / or inorganic builder. The water-soluble organic builders include polycarboxylic acids, especially citric acid and sugar acids, monomers and polymeric aminopolycarboxylic acids, in particular methylglycinediacetic acid, nitrilotriacetic acid and ethylenediaminetetraacetic acid and also polyaspartic acid, polyphosphonic acids, in particular aminotris (methylenephosphonic acid), ethylenediaminetetrakis (methylenephosphonic acid) and 1-hydroxyethane-1,1-diphosphonic acid, polymeric hydroxy compounds such as dextrin and also polymeric (poly) carboxylic acids, in particular Oxidation of polysaccharides or dextrins accessible polycarboxylates, and / or polymeric acrylic acids, methacrylic acids, maleic acids and copolymers thereof, which may also contain polymerized small amounts of polymerizable substances without carboxylic acid functionality. The molecular weight of the homopolymers of unsaturated carboxylic acids is generally between 5,000 g / mol and 200,000 g / mol, that of the copolymers between 2,000 g / mol and 200,000 g / mol, preferably 50,000 g / mol to 120,000 g / mol, in each case based on the free acid. A particularly preferred acrylic acid-maleic acid copolymer has a molecular weight of 50,000 g / mol to 100,000 g / mol. Suitable, although less preferred, compounds of this class are copolymers of acrylic or methacrylic acid with vinyl ethers, such as vinylmethyl ethers, vinyl esters, ethylene, propylene and styrene, in which the acid content is at least 50% by weight. It is also possible to use terpolymers which contain two unsaturated acids and / or salts thereof as monomers and also vinyl alcohol and / or an esterified vinyl alcohol or a carbohydrate as the third monomer as water-soluble organic builder substances. The first acidic monomer or its salt is derived from a monoethylenically unsaturated C ₃ -C ₈ -carboxylic acid and preferably from a C ₃ -C ₄ -monocarboxylic acid, in particular from (meth) -acrylic acid. The second acidic monomer or its salt may be a derivative of a C ₄ -C ₈ -dicarboxylic acid, with maleic acid being particularly preferred, and / or a derivative of an allylsulfonic acid which is substituted in the 2-position by an alkyl or aryl radical. Such polymers generally have a molecular weight between 1,000 g / mol and 200,000 g / mol. Further preferred copolymers are those which have as monomers acrolein and acrylic acid / acrylic acid salts or vinyl acetate. The organic builder substances can be used, in particular for the preparation of liquid agents, in the form of aqueous solutions, preferably in the form of 30 to 50 percent by weight aqueous solutions. All of the acids mentioned are generally used in the form of their water-soluble salts, in particular their alkali metal salts.

If desired, such organic builder substances may be present in amounts of up to 40% by weight, in particular up to 25% by weight and preferably from 1% by weight to 8% by weight. Quantities in the upper half of said ranges are preferably used in pasty or liquid, in particular water-containing agents.

Suitable water-soluble inorganic builder materials are, in particular, polymeric alkali metal phosphates, which may be in the form of their alkaline neutral or acidic sodium or potassium salts. Examples include tetrasodium diphosphate, disodium dihydrogen diphosphate, pentasodium triphosphate, so-called sodium hexametaphosphate and the corresponding Potassium salts or mixtures of sodium and potassium salts. In particular, crystalline or amorphous alkali metal aluminosilicates, in amounts of up to 50% by weight, preferably not more than 40% by weight, and in liquid agents, in particular from 1% by weight to 5% by weight, are used as water-insoluble, water-dispersible inorganic builder materials. used. Among these, preferred are the detergent grade crystalline sodium aluminosilicates, especially zeolite A, P and optionally X. Amounts near the above upper limit are preferably used in solid, particulate agents. In particular, suitable aluminosilicates have no particles with a particle size greater than 30 .mu.m and preferably consist of at least 80% by weight of particles having a size of less than 10 .mu.m. Their calcium binding capacity is generally in the range of 100 mg to 200 mg CaO per gram.

Suitable substitutes or partial substitutes for the said aluminosilicate are crystalline alkali silicates which may be present alone or in a mixture with amorphous silicates. The alkali metal silicates useful as builders preferably have a molar ratio of alkali metal oxide to SiO ₂ below 0.95, in particular from 1: 1.1 to 1:12, and may be present in amorphous or crystalline form. Preferred alkali metal silicates are the sodium silicates, in particular the amorphous sodium silicates, with a molar ratio of Na ₂ O: SiO ₂ of 1: 2 to 1: 2.8. The crystalline silicates which may be present alone or in admixture with amorphous silicates, are crystalline layer silicates with the general formula of Na ₂ Si _x O used _{2x + 1} · y H ₂ O in which x, known as the modulus, an integer of 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 phyllosilicates are those in which x in the abovementioned general formula assumes the values 2 or 3. In particular, both β- and δ-Natriumdisitikate (Na ₂ Si ₂ O ₅ · y H ₂ O) is preferred. Also prepared from amorphous alkali metal silicates, practically anhydrous crystalline alkali metal silicates of the abovementioned general formula in which x is a number from 1.9 to 2.1, can be used. In a further preferred embodiment, a crystalline sodium layer silicate with a modulus of 2 to 3 is used, as can be prepared from sand and soda. Crystalline sodium silicates with a modulus in the range 1.9 to 3.5 are used in a further preferred embodiment. In a preferred embodiment, a granular compound of alkali metal silicate and alkali metal carbonate is used, as it is commercially available, for example, under the name Nabion® 15. If alkali metal aluminosilicate, in particular zeolite, is also present as an additional builder substance, the weight ratio of aluminosilicate to silicate, based in each case on anhydrous active substances, is preferably 1:10 to 10: 1. In agents containing both amorphous and crystalline alkali metal silicates, the weight ratio of amorphous alkali metal silicate to crystalline alkali metal silicate is preferably 1: 2 to 2: 1 and especially 1: 1 to 2: 1.

Builder substances are preferably contained in detergents in amounts of up to 60% by weight, in particular from 5% by weight to 40% by weight.

1. a) 5 Gew.-% bis 35 Gew.-% Citronensäure, Alkalicitrat und/oder Alkalicarbonat, welches auch zumindest anteilig durch Alkalihydrogencarbonat ersetzt sein kann,
2. b) bis zu 10 Gew.-% Alkalisilikat mit einem Modul im Bereich von 1,8 bis 2,5,
3. c) bis zu 2 Gew.-% Phosphonsäure und/oder Alkaliphosphonat,
4. d) bis zu 50 Gew.-% Alkaliphosphat, und
5. e) bis zu 10 Gew.-% polymerem Polycarboxylat,

wobei die Mengenangaben sich auf das gesamte Waschmittel beziehen. Dies gilt auch für alle folgenden Mengenangaben, sofern nicht ausdrücklich anders angegeben.In a preferred embodiment, the agent comprises a water-soluble builder block. The use of the term "builder block" is intended to express that the agents contain no further builder substances than those which are water-soluble, ie all builder substances contained in the agent are combined in the "block" characterized in this way, the amounts at most being Substances are excluded, which may be contained as impurities or stabilizing additives in small amounts in the other ingredients of the means commercially available manner. The term "water-soluble" is to be understood as meaning that the builder block dissolves without leaving a residue at the concentration which results from the use amount of the agent containing it in the customary conditions. Preferably, at least 15% by weight and up to 55% by weight, in particular 25% by weight to 50% by weight, of water-soluble builder block are contained in the compositions. This is preferably composed of the components

1. a) 5% by weight to 35% by weight of citric acid, alkali citrate and / or alkali metal carbonate, which may also be replaced at least proportionally by alkali metal bicarbonate,
2. b) up to 10% by weight of alkali silicate having a modulus in the range of 1.8 to 2.5,
3. c) up to 2% by weight of phosphonic acid and / or alkali phosphonate,
4. d) up to 50% by weight of alkali metal phosphate, and
5. e) up to 10% by weight of polymeric polycarboxylate,

wherein the quantities are based on the total detergent. This also applies to all following quantities, unless expressly stated otherwise.

In a preferred embodiment, the water-soluble builder block contains at least 2 of the components b), c), d) and e) in amounts greater than 0 wt .-%.

With regard to component a), in a preferred embodiment, 15% by weight to 25% by weight of alkali carbonate, which may be replaced at least proportionally by alkali metal bicarbonate, and up to 5% by weight, in particular 0.5% by weight, bis 2.5% by weight of citric acid and / or alkali citrate. In an alternative embodiment, as component a) 5 wt .-% to 25 wt .-%, in particular 5 wt .-% to 15 wt .-% citric acid and / or alkali citrate and up to 5 wt .-%, in particular 1 wt .-% to 5 wt .-% alkali carbonate, which may be at least partially replaced by alkali metal bicarbonate included. If both alkali metal carbonate and alkali metal bicarbonate are present, the component a) alkali carbonate and alkali metal bicarbonate preferably in a weight ratio of 10: 1 to 1: 1.

With regard to component b), in a preferred embodiment, 1 wt .-% to 5 wt .-% alkali silicate with a modulus in the range of 1.8 to 2.5 are included.

With regard to component c), in a preferred embodiment, from 0.05% by weight to 1% by weight of phosphonic acid and / or alkali metal phosphonate is contained. Be under phosphonic acids in this case also understood as meaning optionally substituted alkylphosphonic acids, which may also have a plurality of phosphonic acid groups (so-called polyphosphonic acids). They are preferably selected from the hydroxy and / or aminoalkylphosphonic acids and / or their alkali salts, for example dimethylaminomethane diphosphonic acid, 3-aminopropane-1-hydroxy-1,1-diphosphonic acid, 1-amino-1-phenylmethane diphosphonic acid, 1-hydroxyethane 1,1-diphosphonic acid, amino-tris (methylenephosphonic acid), N, N, N ', N'-ethylenediamine tetrakis (methylenephosphonic acid) and acylated derivatives of phosphorous acid, which can also be used in any mixtures.

With regard to component d), in a preferred embodiment, 15% by weight to 35% by weight of alkali metal phosphate, in particular trisodium polyphosphate, is contained. Alkali phosphate is the summary term for the alkali metal (especially sodium and potassium) salts of the various phosphoric acids, in which one can distinguish metaphosphoric acids (HPO ₃ ) _n and orthophosphoric H ₃ PO _{4 in} addition to high molecular weight representatives. The phosphates combine several advantages: they act as alkali carriers, prevent lime deposits on machine parts or lime incrustations in fabrics and also contribute to the cleaning performance. Sodium dihydrogen phosphate, NaH ₂ PO ₄ , exists as a dihydrate (density 1.91 gcm ^-3 , melting point 60 °) and as a monohydrate (density 2.04 gcm ^-3 ). Both salts are white powders which are very soluble in water and which lose their water of crystallization when heated and at 200 ° C into the weak acid diphosphate (disodium hydrogen diphosphate, Na ₂ H ₂ P ₂ O ₇ ), at higher temperature in sodium trimetaphosphate (Na ₃ P ₃ O ₉ ) and pass on Madrell's salt. NaH ₂ PO _{4 is} acidic; It arises when phosphoric acid is adjusted to a pH of 4.5 with sodium hydroxide solution and the mash is sprayed. Potassium dihydrogen phosphate (potassium phosphate primary or monobasic potassium, potassium biphosphate, KDP), KH ₂ PO ₄ , is a white salt of density 2.33 gcm ^-3 , has a melting point of 253 ° (decomposition to form (KPO ₃ ) _x , potassium polyphosphate) and is slightly soluble in water. Disodium hydrogen phosphate (secondary sodium phosphate), Na ₂ HPO ₄ , is a colorless, very slightly water-soluble crystalline salt. It exists anhydrous and with 2 moles (density 2.066 gcm ^-3 , water loss at 95 °), 7 moles (density 1.68 gcm ^-3 , melting point 48 ° with loss of 5 H ₂ O) and 12 moles of water (density 1, 52 gcm ^-3 , melting point 35 ° with loss of 5 H ₂ O), becomes anhydrous at 100 ° C. and, on vigorous heating, passes into the diphosphate Na ₄ P ₂ O ₇ . Disodium hydrogen phosphate is prepared by neutralization of phosphoric acid with soda solution using phenolphthalein as an indicator. Dipotassium hydrogen phosphate (secondary or dibasic potassium phosphate), K ₂ HPO ₄ , is an amorphous, white salt that is readily soluble in water. Trisodium phosphate, tertiary sodium phosphate, Na ₃ PO ₄ , are colorless crystals which have a density of 1.62 gcm ^-3 as dodecahydrate and a melting point of 73-76 ° C (decomposition), as decahydrate (corresponding to 19-20% P ₂ O ₅ ) have a melting point of 100 ° C and in anhydrous form (corresponding to 39-40% P ₂ O ₅ ) have a density of 2.536 gcm ^-3 . Trisodium phosphate is readily soluble in water under alkaline reaction and is prepared by evaporating a solution of exactly 1 mole of disodium phosphate and 1 mole of NaOH. Tripotassium phosphate (tertiary or tribasic Potassium phosphate), K ₃ PO ₄ , is a white, deliquescent, granular powder of density 2.56 gcm ^-3 , has a melting point of 1340 ° and is readily soluble in water with an alkaline reaction. It arises, for example, when heating Thomasschlacke with coal and potassium sulfate. Despite the higher price, the more soluble, therefore highly effective, potassium phosphates are often preferred over corresponding sodium compounds. Tetrasodium diphosphate (sodium pyrophosphate), Na ₄ P ₂ O ₇ , exists in anhydrous form (density 2.534 gcm ^-3 , melting point 988 °, also indicated 880 °) and as decahydrate (density 1.815-1.836 gcm ^-3 , melting point 94 ° with loss of water) , For substances are colorless, in water with alkaline reaction soluble crystals. Na ₄ P ₂ O ₇ is formed on heating of disodium phosphate to> 200 ° or by reacting phosphoric acid with soda in a stoichiometric ratio and dewatering the solution by spraying. The decahydrate complexes heavy metal salts and hardness agents and therefore reduces the hardness of the water. Potassium diphosphate (potassium pyrophosphate), K ₄ P ₂ O ₇ , exists in the form of the trihydrate and is a colorless, hygroscopic powder with a density of 2.33 gcm ^-3 , which is soluble in water, the pH being 1% Solution at 25 ° 10.4. Condensation of the NaH ₂ PO ₄ or the KH ₂ PO ₄ results in higher molecular weight sodium and potassium phosphates, in which one can distinguish cyclic representatives, the sodium or potassium metaphosphates and chain types, the sodium or potassium polyphosphates. In particular, for the latter are a variety of names in use: melting or annealing phosphates, Graham's salt, Kurrolsches and Madrell's salt. All higher sodium and potassium phosphates are collectively referred to as condensed phosphates. The technically important pentasodium triphosphate, Na ₅ P ₃ O ₁₀ (sodium tripolyphosphate), is an anhydrous or with 6 H ₂ O crystallizing, non-hygroscopic, white, water-soluble salt of the general formula NaO- [P (O) (ONa) -O] _n -Na with n = 3. In 100 g of water dissolve at room temperature about 17 g, at 60 ° about 20 g, at 100 ° around 32 g of the salt water-free salt; after two hours of heating the solution to 100 ° caused by hydrolysis about 8% orthophosphate and 15% diphosphate. In the preparation of pentasodium triphosphate, phosphoric acid is reacted with soda solution or sodium hydroxide solution in a stoichiometric ratio and the solution. drained by spraying. Similar to Graham's salt and sodium diphosphate, pentasodium triphosphate dissolves many insoluble metal compounds (including lime soaps, etc.). Pentakaliumtriphosphat, K ₅ P ₃ O ₁₀ (potassium tripolyphosphate), for example, in the form of a 50 wt .-% solution (> 23% P ₂ O ₅ , 25% K ₂ O) in the trade. There are also sodium potassium tripolyphosphates which can also be used in the context of the present invention. These arise, for example, when hydrolyzed sodium trimetaphosphate with KOH:

(NaPO ₃ ) ₃ + 2 KOH → Na ₃ K ₂ P ₃ O ₁₀ + H ₂ O

These are just like sodium tripolyphosphate, potassium tripolyphosphate or mixtures of these two applicable; also mixtures of sodium tripolyphosphate and sodium potassium tripolyphosphate or mixtures of potassium tripolyphosphate and sodium potassium tripolyphosphate or mixtures of sodium tripolyphosphate and potassium tripolyphosphate and sodium potassium tripolyphosphate can be used.

With regard to component e), in a preferred embodiment, the composition contains 1.5% by weight to 5% by weight of polymeric polycarboxylate, in particular selected from the polymerization or copolymerization products of acrylic acid, methacrylic acid and / or maleic acid. Among these, particularly preferred are the homopolymers of acrylic acid and, among these, those having an average molecular weight in the range from 5,000 D to 15,000 D (PA standard).

Suitable enzymes which can be used in the compositions are those from the class of lipases, cutinases, amylases, pullulanases, mannanases, cellulases, hemicellulases, xylanases and peroxidases and mixtures thereof, for example amylases such as Termamyl®, Amylase-LT®, Maxamyl®, Duramyl ® and / or Purafect® OxAm, lipases such as Lipolase®, Lipomax®, Lumafast®, Lipozym® and / or Lipex®, cellulases such as Celluzyme® and / or Carezyme®. Particularly suitable are from fungi or bacteria, such as Bacillus subtilis, Bacillus licheniformis, Streptomyces griseus, Humicola lanuginosa, Humicola insolens, Pseudomonas pseudoalcaligenes or Pseudomonas cepacia derived enzymatic agents. The optionally used enzymes may be adsorbed to carriers and / or embedded in encapsulants to protect against premature inactivation. They are preferably present in detergents in amounts of up to 10% by weight, in particular from 0.2% by weight to 2% by weight.

In a preferred embodiment, the composition contains 5% by weight to 50% by weight, in particular 8% to 30% by weight, of anionic and / or nonionic surfactant, up to 60% by weight, in particular 5% to 40% by weight. Builder substance and 0.2 wt .-% to 2 wt .-% enzyme selected from the lipases, cutinases, amylases, pullulanases, mannanases, cellulases, oxidases and peroxidases and mixtures thereof.

The organic solvents which can be used in the detergents, in particular if they are in liquid or pasty form, include alcohols having 1 to 4 C atoms, in particular methanol, ethanol, isopropanol and tert-butanol, diols having 2 to 4 C atoms, in particular ethylene glycol and propylene glycol, and mixtures thereof and the derivable from said classes of compounds ethers. Such water-miscible solvents are preferably present in the compositions in amounts not exceeding 30% by weight, in particular from 6% by weight to 20% by weight.

Naturally derived polymers which can be used as thickening agents in aqueous liquid agents include agar-agar, carrageenan, tragacanth, gum arabic, alginates, pectins, polyoses, guar flour, locust bean gum, starch, dextrins, gelatin and casein. Cellulose derivatives such as carboxymethyl cellulose, hydroxyethyl and propyl cellulose, and polymeric polysaccharide thickeners such as xanthan; In addition, fully synthetic polymers such as polyacrylic and polymethacrylic compounds, vinyl polymers, polycarboxylic acids, polyethers, polyimines, polyamides and polyurethanes are also suitable as thickeners.

To establish a desired, by the mixture of the other components not automatically resulting pH, the agents can system and environmentally acceptable acids, in particular citric acid, acetic acid, tartaric acid, malic acid, lactic acid, glycolic acid, succinic acid, glutaric acid and / or adipic acid, but Also, mineral acids, in particular sulfuric acid, or bases, in particular ammonium or alkali metal hydroxides. Such pH regulators are preferably contained in the compositions not more than 20% by weight, in particular from 1.2% by weight to 17% by weight.

Conventional soil release polymers, often referred to as "soil release" agents or because of their ability to soil-repel the treated surface, for example, the fiber, are referred to as "soil repellents", for example, nonionic or cationic cellulose derivatives. The particularly polyester-active soil release polymers include copolyesters of dicarboxylic acids, for example adipic acid, phthalic acid or terephthalic acid, diols, for example ethylene glycol or propylene glycol, and polydiols, for example polyethylene glycol or polypropylene glycol. Preferred soil release polymers include those compounds which are formally accessible by esterification of two monomeric moieties, wherein the first monomer is a dicarboxylic acid HOOC-Ph-COOH and the second monomer is a diol HO- (CHR ¹¹ -) _a OH, also known as polymeric Diol H- (O- (CHR ¹¹ -) _a ) _b OH may be present. Therein, Ph is an o-, m- or p-phenylene radical which can carry 1 to 4 substituents selected from alkyl radicals having 1 to 22 C atoms, sulfonic acid groups, carboxyl groups and mixtures thereof, R ¹¹ denotes hydrogen, an alkyl radical having 1 to 22 C atoms and mixtures thereof, a is a number from 2 to 6 and b is a number from 1 to 300. Preferably, in the polyesters obtainable from these, both monomer diol units -O- (CHR ¹¹ -) _a O- and also polymeric diol units - ( O- (CHR ¹¹ -) _a ) _b O-. The molar ratio of monomer diol units to polymer diol units is preferably 100: 1 to 1: 100, in particular 10: 1 to 1:10. In the polymer diol units, the degree of polymerization b is preferably in the range of 4 to 200, especially 12 to 140. The molecular weight or the average molecular weight or the maximum molecular weight distribution of preferred soil release polyester is in the range of 250 to 100,000, especially 500 to 50,000 The acid underlying the radical Ph is preferably selected from terephthalic acid, isophthalic acid, phthalic acid, trimellitic acid, mellitic acid, the isomers of sulfophthalic acid, sulfoisophthalic acid and sulfoterephthalic acid and mixtures thereof. If their acid groups are not part of the ester bonds in the polymer, they are preferably in salt form, in particular as alkali or ammonium salt. Among these, the sodium and potassium salts are particularly preferable. If desired, instead of the monomer HOOC-Ph-COOH small proportions, in particular not more than 10 mol% based on the proportion of Ph having the meaning given above, other acids having at least two carboxyl groups to be contained in the soil release-capable polyester. These include, for example, alkylene and alkenylene dicarboxylic acids such as malonic acid, succinic acid, fumaric acid, maleic acid, glutaric acid, adipic acid, pimelic acid, suberic acid, azelaic acid and sebacic acid. The preferred diols HO- (CHR ¹¹ -) _a OH include those in which R ^{11 is} hydrogen and a is a number from 2 to 6, and those in which a is 2 and R ¹¹ is hydrogen and the alkyl radicals 1 to 10, in particular 1 to 3 C-atoms is selected. Among the latter diols, those of the formula HO-CH ₂ -CHR ¹¹ -OH in which R ^{11 has} the abovementioned meaning are particularly preferred. Examples of diol components are ethylene glycol, 1,2-propylene glycol, 1,3-propylene glycol, 1,4-butanediol, 1,5-pentanediol, 1,6-hexanediol, 1,8-octanediol, 1,2-decanediol, 1, 2-dodecanediol and neopentyl glycol. Particularly preferred among the polymeric diols is polyethylene glycol having an average molecular weight in the range of 1000 to 6000. If desired, these polyesters may also be endgruppenverschlossen, with alkyl groups having 1 to 22 carbon atoms and esters of monocarboxylic acids in question as end groups. The ester groups bonded via end groups can be based on alkyl, alkenyl and aryl monocarboxylic acids having 5 to 32 carbon atoms, in particular 5 to 18 carbon atoms. These include valeric acid, caproic acid, enanthic acid, caprylic acid, pelargonic acid, capric acid, undecanoic acid, undecenoic acid, lauric acid, lauroleinic acid, tridecanoic acid, myristic acid, myristoleic acid, pentadecanoic acid, palmitic acid, stearic acid, petroselinic acid, petroselaidic acid, oleic acid, linoleic acid, linolaidic acid, linolenic acid, levostearic acid, arachidic acid , Gadoleic acid, arachidonic acid, behenic acid, erucic acid, brassidic acid, clupanodonic acid, lignoceric acid, cerotic acid, melissic acid, benzoic acid, which may carry 1 to 5 substituents having a total of up to 25 carbon atoms, in particular 1 to 12 carbon atoms, for example tert-butylbenzoic acid , The end groups may also be based on hydroxymonocarboxylic acids having from 5 to 22 carbon atoms, including, for example, hydroxyvaleric acid, hydroxycaproic acid, ricinoleic acid, the hydrogenation product of which include hydroxystearic acid and also o-, m- and p-hydroxybenzoic acid. The hydroxymonocarboxylic acids may in turn be linked to one another via their hydroxyl group and their carboxyl group and thus be present several times in an end group. Preferably, the number of hydroxymonocarboxylic acid units per end group, that is to say their degree of oligomerization, is in the range from 1 to 50, in particular from 1 to 10. In a preferred embodiment of the invention, polymers of ethylene terephthalate and polyethylene oxide terephthalate in which the polyethylene glycol units have molecular weights of 750 to 5000 and the molar ratio of ethylene terephthalate to polyethylene oxide terephthalate is 50:50 to 90:10, used in combination with the polymers essential to the invention. The above-mentioned optionally additionally employed polyester-active soil release polymers, like the polymers used according to the invention, are preferably water-soluble, the term "water-soluble" having a solubility of at least 0.01 g, preferably at least 0.1 g of the polymer per liter of water at room temperature and pH 8 to be understood. Preferably used polymers have a solubility of at least 1 g per liter, in particular at least 10 g per liter under these conditions.

Preferred laundry aftertreatment compositions which comprise an active substance to be used according to the invention have, as a laundry softening active ingredient, a so-called esterquat, that is to say a quaternized ester of carboxylic acid and aminoalcohol. These are known substances which can be obtained by the relevant methods of preparative organic chemistry, for example by partially esterifying triethanolamine in the presence of hypophosphorous acid with fatty acids, passing air through and then quaternizing with dimethyl sulfate or ethylene oxide. The production of solid ester quats is also known, in which the quaternization of triethanolamine esters is carried out in the presence of suitable dispersants, preferably fatty alcohols.

in der R¹CO für einen Acylrest mit 6 bis 22 Kohlenstoffatomen, R² und R³ unabhängig voneinander für Wasserstoff oder R¹ CO, R⁴ für einen Alkylrest mit 1 bis 4 Kohlenstoffatomen oder eine (CH₂CH₂O)_qH-Gruppe, m, n und p in Summe für 0 oder Zahlen von 1 bis 12, q für Zahlen von 1 bis 12 und X für ein ladungsausgleichendes Anion wie Halogenid, Alkylsulfat oder Alkylphosphat steht. Typische Beispiele für Esterquats, die im Sinne der Erfindung Verwendung finden können, sind Produkte auf Basis von Capronsäure, Caprylsäure, Caprinsäure, Laurinsäure, Myristinsäure, Palmitinsäure, Isostearinsäure, Stearinsäure, Ölsäure, Elaidinsäure, Arachinsäure, Behensäure und Erucasäure sowie deren technische Mischungen, wie sie beispielsweise bei der Druckspaltung natürlicher Fette und Öle anfallen. Vorzugsweise werden technische C_12/18-Kokosfettsäuren und insbesondere teilgehärtete C_16/18-Talg-beziehungsweise Palmfettsäuren sowie elaidinsäure-reiche C_16/18-Fettsäureschnitte eingesetzt. Zur Herstellung der quaternierten Ester können die Fettsäuren und das Triethanolamin in der Regel im molaren Verhältnis von 1,1 : 1 bis 3 : 1 eingesetzt werden. Im Hinblick auf die anwendungstechnischen Eigenschaften der Esterquats hat sich ein Einsatzverhältnis von 1,2 : 1 bis 2,2 : 1, vorzugsweise 1,5 : 1 bis 1,9 : 1 als besonders vorteilhaft erwiesen. Die bevorzugt eingesetzten Esterquats stellen technische Mischungen von Mono-, Di- und Triestern mit einem durchschnittlichen Veresterungsgrad von 1,5 bis 1,9 dar und leiten sich von technischer C_16/18-Talg-bzw. Palmfettsäure (lodzahl 0 bis 40) ab. Quaternierte Fettsäuretriethanolaminestersalze der Formel (IV), in der R¹CO für einen Acylrest mit 16 bis 18 Kohlenstoffatomen, R² für R¹CO, R³ für Wasserstoff, R⁴ für eine Methylgruppe, m, n und p für 0 und X für Methylsulfat steht, haben sich als besonders vorteilhaft erwiesen.Ester quats preferred in the compositions are quaternized fatty acid triethanolamine ester salts which follow formula (IV),

in the R ¹ CO for an acyl radical having 6 to 22 carbon atoms, R ² and R ^{3 are} independently hydrogen or R ¹ CO, R ^{4 is} an alkyl radical having 1 to 4 carbon atoms or a (CH ₂ CH ₂ O) _q H Group, m, n and p in total are 0 or numbers from 1 to 12, q is numbers from 1 to 12 and X is a charge-balancing anion such as halide, alkyl sulfate or alkyl phosphate. Typical examples of esterquats which can be used in the context of the invention are products based on caproic acid, caprylic acid, capric acid, lauric acid, myristic acid, palmitic acid, isostearic acid, stearic acid, oleic acid, elaidic acid, arachidic acid, behenic acid and erucic acid and their technical mixtures, such as They occur, for example, in the pressure splitting of natural fats and oils. Preferably, technical C _12/18 coconut _fatty acids and in particular partially hydrogenated C _16/18 tallow or palm oil fatty acids and elaidic acid-rich C _16/18 fatty acid cuts are used. To prepare the quaternized esters, the fatty acids and the triethanolamine can generally be used in a molar ratio of 1.1: 1 to 3: 1. In view of the performance properties of the esterquats, an employment ratio of 1.2: 1 to 2.2: 1, preferably 1.5: 1 to 1.9: 1 has proven to be particularly advantageous. The preferred esterquats used are technical mixtures of mono-, di- and triesters with an average degree of esterification of 1.5 to 1.9 and are derived from technical C _16/18 tallow or. Palm fatty acid (iodine number 0 to 40) from. Quaternized fatty acid triethanolamine ester salts of the formula (IV) in which R ^{1 is} CO for an acyl radical having 16 to 18 carbon atoms, R ^{2 is} R ¹ CO, R ^{3 is} hydrogen, R ^{4 is} a methyl group, m, n and p is 0 and X is methyl sulfate, have proven to be particularly advantageous.

in der R¹CO für einen Acylrest mit 6 bis 22 Kohlenstoffatomen, R² für Wasserstoff oder R¹CO, R⁴ und R⁵ unabhängig voneinander für Alkylreste mit 1 bis 4 Kohlenstoffatomen, m und n in Summe für 0 oder Zahlen von 1 bis 12 und X für ein ladungsausgleichendes Anion wie Halogenid, Alkylsulfat oder Alkylphosphat steht.In addition to the quaternized carboxylic acid triethanolamine ester salts, suitable esterquats are quaternized ester salts of carboxylic acids with diethanolalkylamines of the formula (V),

in the R ¹ CO for an acyl radical having 6 to 22 carbon atoms, R ^{2 is} hydrogen or R ¹ CO, R ⁴ and R ^{5 are} independently alkyl radicals having 1 to 4 carbon atoms, m and n in total for 0 or numbers from 1 to 12 and X is a charge-balancing anion such as halide, alkyl sulfate or alkyl phosphate.

in der R¹CO für einen Acylrest mit 6 bis 22 Kohlenstoffatomen, R² für Wasserstoff oder R¹CO, R⁴, R⁶ und R⁷ unabhängig voneinander für Alkylreste mit 1 bis 4 Kohlenstoffatomen, m und n in Summe für 0 oder Zahlen von 1 bis 12 und X für ein ladungsausgleichendes Anion wie Halogenid, Alkylsulfat oder Alkylphosphat steht.Finally, the quaternized ester salts of carboxylic acids with 1,2-dihydroxypropyldialkylamines of the formula (VI) should be mentioned as a further group of suitable esterquats.

in the R ¹ CO for an acyl radical having 6 to 22 carbon atoms, R ^{2 is} hydrogen or R ¹ CO, R ⁴ , R ⁶ and R ^{7 are} independently alkyl radicals having 1 to 4 carbon atoms, m and n in total for 0 or numbers from 1 to 12 and X is a charge-balancing anion such as halide, alkyl sulfate or alkyl phosphate.

With regard to the selection of the preferred fatty acids and the optimum degree of esterification, the exemplary data given for (IV) apply mutatis mutandis to the esterquats of the formulas (V) and (VI). Usually, the esterquats are marketed in the form of 50 to 90 weight percent alcoholic solutions, which can also be easily diluted with water, with ethanol, propanol and isopropanol being the usual alcoholic solvents.

Esterquats are preferably used in amounts of from 5% by weight to 25% by weight, in particular from 8% by weight to 20% by weight, in each case based on the total laundry aftertreatment agent. If desired, the laundry aftertreatment agents used according to the invention may additionally Detergent ingredients listed above, unless they unduly interact negatively with the esterquat. It is preferably a liquid, water-containing agent.

In particular, suitable for use in laundry detergents of textiles color transfer inhibitors include polyvinylpyrrolidones, polyvinylimidazoles, polymeric N-oxides such as poly (vinylpyridine-N-oxide) and copolymers of vinylpyrrolidone with vinylimidazole and optionally other monomers.

The agents may contain anti-crease agents, since textile fabrics, in particular of rayon, wool, cotton and their mixtures, can tend to wrinkle, because the individual fibers are sensitive to bending, buckling, pressing and squeezing transverse to the fiber direction. 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.

Graying inhibitors have the task of keeping suspended from the hard surface and in particular from the textile fiber suspended dirt in the fleet. Water-soluble colloids of mostly organic nature are suitable for this purpose, for example starch, glue, gelatin, salts of ether carboxylic acids or ether sulfonic acids of starch or of cellulose or salts of acidic sulfuric acid esters of cellulose or starch. Also, water-soluble polyamides containing acidic groups are suitable for this purpose. Furthermore, other than the above-mentioned starch derivatives can be used, for example aldehyde starches. 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, for example in amounts of from 0.1 to 5% by weight, based on the compositions.

The agents may contain optical brighteners, among these in particular derivatives of diaminostilbenedisulfonic acid or their alkali metal salts. Suitable salts are, for example, salts of 4,4'-bis (2-anilino-4-morpholino-1,3,5-triazinyl-6-amino) stilbene-2,2'-disulphonic acid or compounds of similar construction which, instead of the morpholino Group carry a diethanolamino group, a methylamino group, an anilino group or a 2-methoxyethylamino group. Further, brighteners of the substituted diphenylstyrene type may be present, for example, the alkali salts of 4,4'-bis (2-sulfostyryl) -diphenyl, 4,4'-bis (4-chloro-3-sulfostyryl) -diphenyl, or 4 - (4-chlorostyryl) -4 '- (2-sulfostyryl). Mixtures of the aforementioned optical brightener can be used.

In particular when used in automatic washing processes, it may be advantageous to add conventional foam inhibitors to the compositions. As foam inhibitors are, for example, soaps of natural or synthetic origin, which have a high proportion of C ₁₈ -C ₂₄ fatty acids. Suitable non-surfactant foam inhibitors are, for example, organopolysiloxanes and mixtures thereof with microfine, optionally silanized silica and paraffins, waxes, microcrystalline waxes and mixtures thereof with silanated silicic acid or bis-fatty acid alkylenediamides. It is also advantageous to use mixtures of various foam inhibitors, for example those of silicones, paraffins or waxes. The foam inhibitors, in particular silicone- and / or paraffin-containing foam inhibitors, are preferably bound to a granular, water-soluble or dispersible carrier substance. In particular, mixtures of paraffins and bistearylethylenediamide are preferred.

As in the means, in particular the agents in solid form, optionally contained peroxygen compounds come in particular organic peracids or pers acid salts of organic acids, such as phthalimidopercaproic acid, perbenzoic acid or salts of diperdodecanedioic acid, hydrogen peroxide and under the washing conditions hydrogen peroxide-releasing inorganic salts such as perborate, percarbonate and / or persilicate, into consideration. Hydrogen peroxide can also be produced by means of an enzymatic system, ie an oxidase and its substrate. If solid peroxygen compounds are to be used, they can be used in the form of powders or granules, which can also be enveloped in a manner known in principle. Particular preference is given to using alkali metal percarbonate, alkali metal perborate monohydrate, alkali metal perborate tetrahydrate or, in particular in liquid media, hydrogen peroxide in the form of aqueous solutions which contain from 3% by weight to 10% by weight of hydrogen peroxide. Preferably, peroxygen compounds are present in detergents in amounts of up to 50% by weight, especially from 5% to 30% by weight.

In addition, conventional bleach activators which form peroxycarboxylic acids or peroxoimidic acids under perhydrolysis conditions and / or customary bleach-activating transition metal complexes can be used. The optional, especially in amounts of 0.5 wt .-% to 6 wt .-%, present component of the bleach activators include the commonly used N- or O-acyl compounds, for example, polyacylated alkylenediamines, especially tetraacetylethylenediamine, acylated glycolurils, in particular tetraacetylglycoluril, N-acylated hydantoins, hydrazides, triazoles, urazoles, diketopiperazines, sulfuryl amides and cyanurates, in addition to carboxylic anhydrides, in particular phthalic anhydride, carboxylic acid esters, especially sodium isononanoyl-phenolsulfonat, and acylated sugar derivatives, in particular pentaacetylglucose, and cationic nitrile derivatives such as trimethylammoniumacetonitrile salts. To avoid interaction with the peroxygen compounds, the bleach activators may have been coated or granulated in known manner with coating substances, granulated tetraacetylethylenediamine having mean particle sizes with the aid of carboxymethylcellulose from 0.01 mm to 0.8 mm, granulated 1,5-diacetyl-2,4-dioxohexahydro-1,3,5-triazine, and / or particulate formally prepared trialkylammonium acetonitrile is particularly preferred. Such bleach activators are preferably contained in detergents in amounts of up to 8% by weight, in particular from 2% by weight to 6% by weight, based in each case on the total agent.

The preparation of solid compositions presents no difficulties and can be carried out in a manner known in the art, for example by spray-drying or granulation. For producing the compositions having an increased bulk density, in particular in the range from 650 g / l to 950 g / l, a process comprising an extrusion step is preferred. Detergents in the form of aqueous or other conventional solvent-containing solutions are particularly advantageously prepared by simply mixing the ingredients, which can be added in bulk or as a solution in an automatic mixer.

In an also preferred embodiment, the agents, in particular in concentrated liquid form, are present as a portion in a completely or partially water-soluble coating. Portioning makes it easier for the consumer to dose.

The funds can be packed, for example, in foil bags. Pouches made of water-soluble film make it unnecessary for the consumer to tear open the packaging. In this way, a convenient dosing of a single, sized for a wash portion by inserting the bag directly into the washing machine or by throwing the bag into a certain amount of water, for example in a bucket, a bowl or hand basin, possible. The film bag surrounding the washing portion dissolves without residue when it reaches a certain temperature.

There are numerous processes in the prior art for producing water-soluble detergent portions, which are in principle also suitable for the production of agents useful in the context of the present invention. The best known methods are the tubular film processes with horizontal and vertical sealing seams. Further suitable for the production of film bags or dimensionally stable detergent portions is the Thermoformverrfahren (thermoforming process). However, the water-soluble envelopes need not necessarily consist of a film material, but can also represent dimensionally stable containers that can be obtained for example by means of an injection molding process.

Furthermore, methods for producing water-soluble capsules of polyvinyl alcohol or gelatin are known, which in principle offer the possibility to provide capsules with a high degree of filling. The methods are based on introducing the water-soluble polymer into a shaping cavity. The filling and sealing of the capsules is done either synchronously or in successive steps, in the latter case, the filling of the capsules by a small opening occurs. The filling of the capsules takes place, for example, by a Befüllkeil, which is above two mutually rotating drums, which have ball half shells on its surface, is arranged. The drums carry polymer bands that cover the ball half-shell cavities. At the positions where the polymer band of one drum coincides with the polymer tape of the opposite drum, a seal takes place. In parallel, the filling material is injected into the forming capsule, wherein the injection pressure of the filling liquid presses the polymer bands in the Kugelhalbschalenkavitäten. A process for the preparation of water-soluble capsules, in which first the filling and then the sealing takes place, is based on the so-called Bottle-Pack® process. In this case, a tubular preform is guided into a two-part cavity. The cavity is closed, the lower tube portion is sealed, then the tube is inflated to form the capsule shape in the cavity, filled and finally sealed.

The shell material used for the preparation of the water-soluble portion is preferably a water-soluble polymeric thermoplastic, more preferably selected from the group (optionally partially acetalized) polyvinyl alcohol, polyvinyl alcohol copolymers, polyvinylpyrrolidone, polyethylene oxide, gelatin, cellulose and derivatives thereof, starch and derivatives thereof, blends and composites, inorganic salts and mixtures of said materials, preferably hydroxypropylmethylcellulose and / or polyvinyl alcohol blends. Polyvinyl alcohols are commercially available, for example under the trademark Mowiol® (Clariant). Polyvinyl alcohols which are particularly suitable for the purposes of the present invention are, for example, Mowiol® 3-83, Mowiol® 4-88, Mowiol® 5-88, Mowiol® 8-88 and Clariant L648. The water-soluble thermoplastic used to prepare the portion may additionally optionally comprise polymers selected from the group comprising acrylic acid-containing polymers, polyacrylamides, oxazoline polymers, polystyrene sulfonates, polyurethanes, polyesters, polyethers and / or mixtures of the above polymers. Preferred is when the water-soluble thermoplastic used comprises a polyvinyl alcohol whose degree of hydrolysis is 70 mol% to 100 mol%, preferably 80 mol% to 90 mol%, more preferably 81 mol% to 89 mol% and especially 82 mol % to 88 mol%. It is further preferred that the water-soluble thermoplastic used comprises a polyvinyl alcohol whose molecular weight is in the range from 10,000 g / mol to 100,000 g / mol, preferably from 11,000 g / mol to 90,000 g / mol, particularly preferably from 12,000 g / mol to 80 000 g / mol and in particular from 13 000 g / mol to 70 000 g / mol. It is furthermore preferred if the thermoplastics are used in amounts of at least 50% by weight, preferably of at least 70% by weight, more preferably of at least 80% by weight and in particular of at least 90% by weight, based in each case on the weight the water-soluble polymeric thermoplastic.

Examples Example 1: Preparation of a copolymer of [2- (methacryloyloxy) ethyl] trimethylammonium chloride with MPEG methacrylate (P1)

• Gehalt an P1: 30.2%
• GPC: M_n = 26 400 g/mol, M_w = 51 200 g/mol
• Farbe: 2,9 Gardner Einheiten

In a 350 ml round bottom flask equipped with stirrer, reflux condenser, thermometer and metering device, 95 g of demineralized water were introduced and rendered inert with nitrogen. Subsequently, the contents of the flask were heated to 90 ° C. A homogeneous mixture of the monomers consisting of 56.25 g of methylpolyethylene glycol-350-methacrylate (MPEGMA) (67 mol%) and 23.44 g of 2- (methacryloyloxy) ethyl] trimethylammonium chloride (80% in water, 33 mol%), and A solution of 0.45 g of 2,2'-azobis [2- (2-imidazolin-2-yl) propane] dihydrochloride (0.6% based on the monomers) in 10 g of water was prepared by mixing. This mixture was added to the reaction vessel within 3 hours; the temperature was kept at 90 ° C. After dosing, the reaction mixture was stirred at 80 ° C to 90 ° C. The final product, after cooling, was filtered through a 125μm sieve. An almost colorless viscous liquid was obtained. By NMR analysis, the reaction of the acrylate monomers was complete.

• Content of P1: 30.2%
• GPC: M _n = 26 400 g / mol, M _w = 51 200 g / mol
• Color: 2.9 gardner units

Example 2: Washing tests

Cotton test fabrics were dried at 30 ° C in water of 16 ° dH (German hardness) for 30 minutes with aqueous detergent brines containing 4.59 g / l of a high performance liquid detergent V1, with 4.07 g / l of a liquid detergent V2, with 4.12 g / l of a gel-type color detergent V3, containing 3.82 g / l of a high-performance heavy duty heavy duty detergent V4, containing 4.12 g / l of a powdered universal detergent V5, containing 4.54 g / l of a powdered color detergent V6, 4.11 g / l of a so-called low-cost liquid detergent V7 or with 1.47 g / l of a liquid in a two-part dosing unit of polyvinyl alcohol foil packed liquid color detergent V8 or with otherwise identical washing liquors, which in addition the polymer P1 from Example 1 to a concentration of 10 g / l added, washed. Subsequently, the air-dried test textiles were each filled with equal amounts of commercial antiperspirant compositions containing aluminum chlorohydrate and (in the case of soiling A) polypropylene glycol 15-stearyl ether (Arlamol® PS15E), (in the case of soiling B) C _12-15 -alkyl benzoate (Finnsolv® TN) or (in the case of soiling C ) Isopropyl myristate provided and rubbed evenly with some pressure. After drying overnight, the test textiles were each washed again in the above-described washing liquors containing the previously used detergent composition under the conditions described. This soiling wash cycle became four Repeated times. In the following Table 1, the brightness values (Y values) after the final washing and drying are given as means of triplicate determinations. It can be seen that the stain removal performance was significantly higher with the addition of the polymer than that without its addition. Table 1: Y values Soiling / medium A B C V1 74,00 56.34 58,90 V1 + P1 75.67 63.87 71.74 V2 71.19 53.53 58.51 V2 + P1 75.09 60.83 69.21 V3 65.12 50.54 58.61 V3 + P1 70.60 58.37 65.14 V4 73.3 54.07 60.77 V4 + P1 74.82 62.06 67.88 V5 70.37 51.68 60.51 V5 + P1 72.72 60.97 69.10 V6 66.69 50.24 60.83 V6 + P1 72.23 60.43 68.2 V7 70.01 53.64 59.86 V7 + P1 75.82 61.33 67.94 V8 72.19 57.14 63.48 V8 + P1 75.13 65.34 69.81

Claims (10)

1. The use of polymers, which can be obtained by radical copolymerization of at least one compound of formula (I),

   

   where n represents a number equal to or greater than 3,
   with at least one compound of formula (II),

   

   where A^- represents an anion,
   for increasing the cleaning performance of washing agents when washing textiles, in particular against antiperspirant stains.
2. The use according to claim 1, characterized in that the textiles are made of cotton or contain cotton.
3. The use according to one of claims 1 or 2, characterized in that the textiles have already been washed and/or post-treated in the presence of the polymer before being left with stains that are to be removed.
4. A method for washing textiles, wherein a washing agent and a polymer, which can be obtained by radical copolymerization of at least one compound of formula (I),

   

   where n represents a number equal to or greater than 3,
   with at least one compound of formula (II),

   

   where A^- represents an anion,
   are brought into contact with a textile, which in particular is made of cotton or contains cotton, in an aqueous washing liquor.
5. The method according to claim 4, characterized in that the concentration of the polymer used in the washing liquor is in the range of from 0.005 g/l to 20 g/l, in particular from 0.01 g/l to 2 g/l.
6. The method according to one of claims 4 or 5, characterized in that said method is carried out using a washing agent containing the polymer and/or using a laundry post-treatment agent, in particular a fabric softener, containing the polymer, the washing agent and/or the laundry post-treatment agent being particulate or hydrous and liquid.
7. The method according to claim 6, characterized in that the agent contains the polymer in amounts of from 0.001 wt.% to 10 wt.%, in particular from 0.05 wt.% to 5 wt.%.
8. The use according to one of claims 1 to 3, or the method according to one of claims 4 to 7, characterized in that the weight average molar weight of the polymer is in the range of from 10,000 g/mol to 100,000 g/mol, and in particular in the range of from 20,000 g/mol to 70,000 g/mol.
9. The use or the method according to one of the preceding claims, characterized in that, in formula (I), n represents a number in the range of from 3 to 120, more preferably a number from 5 to 50 and particularly preferably a number from 7 and 46, n being selected, in one embodiment, from the group comprising the numbers 7, 23 and 46.
10. The use or the method according to one of the preceding claims, characterized in that the polymer can be obtained by copolymerization of the compound according to general formula (I) and the compound according to general formula (II) in molar ratios in the range of from 1:99 to 75:25, in particular in the range of from 5:95 to 70:30.