DE19751151A1 - Clear aqueous fabric softener composition - Google Patents

Abstract

Clear aqueous fabric softener compositions containing quaternary ester-ammonium compounds (esterquats), a perfumed microemulsion and water or other additives. A fabric softener composition comprising: (a) 2-60 wt.% of esterquats (DE 19539846) obtained by reacting a trialkanol amine with a mixture of fatty acids and dicarboxylic acids, optionally alkoxylating the product, and quaternising; (b) 0.5-20 wt.% of a perfumed microemulsion having droplet size of 10-100 nm and comprising 10-50 wt.% perfume, 1-10 wt.% oil, 1-30 wt.% alkyl polyglycoside emulsifier and 0-10 wt.% nonionic or cationic co-emulsifier, where the weight ratio (perfume:oil) is 2-10:1; and (c) water or an aqueous solution of other active ingredients or additives.

Description

The present invention relates to clear, aqueous low to highly concentrated perfume term fabric softener for softening textiles. In particular, the Invention such clear, aqueous fabric softener for use in the rinse aid of Household washing machines are suitable and the treated textiles are outstanding Softness, antistatic properties, easier ironing, good rewettability how to give a long-lasting pleasant fragrance.

Fabric softener compositions for rinse bath finishing are wide in the prior art described. These compositions usually contain one as the active substance cationic quaternary ammonium compound which is dispersed in water. Depending on the salary the finished plasticizer composition of active substance is called diluted, ready-to-use products (active substance contents below 7% by weight) or so-called Concentrates (active substance content above 7% by weight). Because of the smaller volume and the textile has the associated reduced packaging and transport costs Plasticizer concentrates have advantages from an ecological perspective and have more in the market and enforced more. Due to the incorporation of cationic compounds that only have a low water solubility, usual fabric softener compositions in the form of dispersions before, have a milky cloudy appearance and are not through shining. For reasons of product aesthetics, however, it may also be desirable to contact the Ver to shine through translucent, clear fabric softener, optically different from stand out the known products.  

Also the manufacture of clear fabric softener and the Pro associated with its manufacture Blems are extensively described in the prior art. This is how the European describes Patent application EP-A-0 404 471 (Unilever) isotropic liquid fabric softener compositions with at least 20% by weight of softener and at least 5% by weight of one short chain organic acid.

Clear textile plasticizer compositions with high solvent contents are flat if known, with quaternized ester Ammonium compounds ("esterquats") with unsaturated, branched or short-chain Alkyl residues are used. Such systems have the disadvantage that agglomeration rate can form, which pull on the fiber and there to stains and reduced softness lead. The storage and cold stability of such agents is often unsatisfactory, so that thicken these between 18 ° C and 4 ° C or show precipitations or phase separations gene.

To solve these problems, WO 97/03169 (Procter & Gamble) proposes the use of less than 40% by weight of solvents which have a ClogP value between 0.15 and 0.64. The active substances described in this document have unsaturated or relatively short (C _12-14 ) alkyl chains and are in amounts of 2 to 80 wt .-%, preferably from 13 to 75 wt .-% and in particular from 17 to 70 wt .-% included in the funds. In order to obtain clear fabric softener with 2 to 10% by weight of active substance, a special manufacturing process that requires a premix of ester quat, solvents and perfume must be used, otherwise the agents remain cloudy. .

New ester quats are described in DE 195 39 846 (Henkel). The ones disclosed there cationic surfactants are reaction products of triethanolamine with mixtures of Fatty acids and dicarboxylic acids. Who can use these new substances called in the script hair rinses, shampoos, shower gels and washing lotions. For To produce these new esterquats, trialkanolamines are made with a mixture of fat acids and dicarboxylic acids, preferably in a molar ratio of 1:10 to 10: 1 and the resulting esters are quaternized in a manner known per se.  

The use of the esterquats described in DE 195 39 846 C1 for the preparation water-clear fabric softener is described in RESEARCH DISCLOSURE May 1997, No. 39729 (disclosed anonymously). This research disclosure discloses application Concentrations of the ester quats between 5 and 15 wt .-%. About the fragrance of the means nothing is stated in this document.

For all clear fabric softeners or the processes for their production which are in the state of the Technique described is the manufacture of low concentrated products diger than the production of concentrates. In addition, the incorporation of fragrance Substantial problems sometimes, since many perfumes either from the outset do not solve in the formulations or separate again after a short time. The Incorporation of emulsifiers into the clear products before adding the perfume solves this Problem unsatisfactory because high emulsifier concentration for an acceptable storage stability centers are necessary.

Perfume oil concentrates in the form of transparent aqueous microemulsions are in the older one German patent application DE 196 24 051.4 (Henkel). The ones disclosed there Microemulsions contain 10 to 50% by weight of perfume oil, 1 to 10% by weight of a co- Oil component, 1 to 30 wt .-% of an emulsifier of the alkylpolyglycoside type and optionally up to 10% by weight of a nonionic or cationic co-emulsifier and have particle sizes between 10 and 100 nm, the weight ratio of Perfume oil to co-oil component is 10: 1 to 2: 1.

The present invention was based on the object of clear, aqueous low to high Concentrated fabric softener containing perfume for softening textiles to provide that do not have these problems. In particular, clear fabric softeners are meant be provided that have excellent storage stability even without the use of high Have emulsifier concentrations and the additional by excellent fragrance properties are marked.  

It has now been found that the esterquats described in DE 195 39 846 Have clear, low to high concentrated fabric softener with perfume content if the perfume is incorporated as a perfume oil microemulsion.

The invention relates to a clear, aqueous fabric softener, each based on the total agent

• a) 2 to 60 wt .-% of a reaction product of trialkanolamines with a Mi Schung from fatty acids and dicarboxylic acids, which may be alkoxylated and was finally quaternized in a manner known per se,
• b) 0.5 to 20 wt .-% of a perfume oil microemulsion with a droplet size between 10 and 100 nm, which in turn contains 10 to 50% by weight of perfume oil, 1 to 10% by weight of a co- Oil component, 1 to 30 wt .-% of an emulsifier of the alkyl polyglycoside type and optionally up to 10% by weight of a nonionic or cationic co- Contains emulsifier, the weight ratio of perfume oil to co-oil component Is 10: 1 to 2: 1 as well
• c) as the remainder water or an aqueous solution of further active substances and auxiliaries.

As a textile softening active substance, the clear aqueous contains Softener so-called esterquats. While there are a variety of possible connections this class of substances, esterquats are used according to the invention which are characterized by Reaction of trialkanolamines with a mixture of fatty acids and dicarboxylic acids, optionally subsequent alkoxylation of the reaction product and quaternization in can be produced in a manner known per se, as described in DE 195 39 846.

The ester quats produced in this way are excellently suitable for production position clear, aqueous low to highly concentrated fabric softener, the invention together with a perfume oil microemulsion and optionally other components clear, Storage-stable and extremely effective perfumed fabric softener result. Because depending on the choice of Trialkanolamines, fatty acids and dicarboxylic acids as well as the quaternizing agent a large number of suitable products are produced and incorporated into the agents according to the invention  is a description of the ester quats to be used according to the invention about their way of production more precisely than the specification of a general formula.

The components mentioned, which react with one another to form the esterquats to be used, can be used in varying proportions. As part of the In the present invention, clear fabric softeners are preferred in which a reaction product of trialkanolamines with a mixture of fatty acids and dicarboxylic acids in the molar Ratio 1:10 to 10: 1, preferably 1: 5 to 5: 1, which may be alkoxylated and an was finally quaternized in a manner known per se, in amounts of 2 to 60, preferably as 3 to 35 and in particular 5 to 30 wt .-% is included. Is particularly preferred the use of triethanolamine, so that further preferred clear fabric softener the present invention a reaction product of triethanolamine with a mixture from fatty acids and dicarboxylic acids in a molar ratio of 1:10 to 10: 1, preferably 1: 5 to 5: 1, which may be alkoxylated and then quater in a manner known per se was renated, in amounts of 2 to 60, preferably 3 to 35 and in particular 5 to 30 % By weight.

All of them can be used as fatty acids in the reaction mixture to produce the esterquats Vegetable or animal oils and fats acids can be used. Here cannot be used as a fatty acid in the reaction mixture even at room temperature fixed, d. H. pasty to liquid, fatty acid can be used. The fatty acids can be saturated or one to more, regardless of their physical state be unsaturated. Of course, not only "pure" fatty acids can be used but also the technical ones obtained from the splitting of fats and oils Fatty acid mixtures, these mixtures again being significantly more economical are preferred. So can be in the reaction mixtures for the preparation of the ester quats for the inventions clear aqueous softener according to the invention, for example individual species or mixtures Use the following acids: caprylic acid, pelargonic acid, capric acid, lauric acid, Myristic acid, palmitic acid, stearic acid, octadecan-12-ol acid, arachidic acid acid, lignoceric acid, cerotic acid, melissic acid, 10-undecenoic acid, petroselinic acid Petroselaidic acid, oleic acid, elaidic acid ricinoleic acid, linolaidic acid, α- and β-  Eläosterainsäure, Gadoleinsäure, Erucasäure, Brassidinsäure. Of course, too the fatty acids can be used with an odd number of carbon atoms, for example undecane acid right, tridecanoic acid, pentadecanoic acid, heptadecanoic acid, nonadecanoic acid, heneicosanoic acid, Tricosanoic acid, pentacosanoic acid, heptacosanoic acid.

In the context of the present invention, the use of fatty acids of the formula I in the reaction mixture for the preparation of the esterquats is preferred, so that preferred clear fabric softener is a reaction product of trialkanolamines with a mixture of fatty acids of the formula I,

R ¹ -CO-OH (I)

in which R ¹ -CO- represents an aliphatic, linear or branched acyl radical having 6 to 22 carbon atoms and 0 and / or 1, 2 or 3 double bonds and dicarboxylic acids in a molar ratio of 1:10 to 10: 1, preferably 1: 5 to 5: 1, which optionally alkoxylated and was then quaternized in a manner known per se, in amounts of 2 to 60, preferably 3 to 35 and in particular 5 to 30% by weight in the compositions.

Suitable dicarboxylic acids which are suitable for the preparation of the esterquats to be used in the agents according to the invention are, in particular, saturated or mono- or polyunsaturated α-ω-dicarboxylic acids. Examples include the saturated species oxalic acid, malonic acid, succinic acid, glutaric acid, adipic acid, pimelic acid, suberic acid, azelaic acid, sebacic acid, undecanoic and dodecanoic acid, brassylic acid, tetra- and pentadecanoic acid, thapic acid as well as hepta-, octa- and nonadecanoic acid, eicosanic acid Heneico-Sansäure and phellogenic acid called. Dicarboxylic acids which follow the general formula II are preferably used in the reaction mixture, so that clear fabric softeners are preferred which are a reaction product of trialkanolamines with a mixture of fatty acids and dicarboxylic acids of the formula II,

HO-OC- [X] -CO-OH (II)

in the X for an optionally hydroxyl-substituted alkylene group with 1 to 10 carbons is in a molar ratio of 1:10 to 10: 1, preferably 1: 5 to 5: 1, the counter optionally alkoxylated and then quaternized in a manner known per se, in Amounts of 2 to 60, preferably 3 to 35 and in particular 5 to 30 wt .-% in the Funds included.

Have among the multitude of esterquats that can be produced and used according to the invention those in which the alkanolamine treithanolamine and the Dicarboxylic acid is adipic acid. Thus, are clear within the scope of the present invention Particularly preferred fabric softener which is a reaction product of triethanolamine with a Mixture of fatty acids and adipic acid in a molar ratio of 1: 5 to 5: 1, preferably 1: 3 to 3: 1, which was subsequently quaternized in an inherent manner, in amounts of 2 to 60, preferably 3 to 35 and in particular 5 to 30 wt .-% in the compositions.

The perfume oil microemulsions to be used in the agents according to the invention, which the allow intensive fragrance and fragrance transfer to the treated textiles without that the agents lose their transparency have particle sizes between 10 and 100 nm and contain 10 to 50% by weight of perfume oil, 1 to 10% by weight of a co-oil component, 1 to 30% by weight of an emulsifier of the alkylpolyglycoside type and optionally up to 10 wt .-% of a nonionic or cationic co-emulsifier, the weight ver ratio of perfume oil to co-oil component is 10: 1 to 2: 1.

As perfume oils or fragrances, individual fragrance compounds, e.g. B. the syntheti products of the ester, ether, aldehyde, ketone, alcohol and hydrocarbon type fabrics are used. However, mixtures of different fragrances are preferred used, which together create an appealing fragrance. Such perfume oils can also contain natural fragrance mixtures, such as those obtainable from plant sources are z. B. pine, citrus, jasmine, patchouly, rose or ylang-ylang oil. Also ge suitable are muscatel, sage oil, chamomile oil, clove oil, lemon balm oil, mint oil, cinnamon leaf oil, Lime blossom oil, juniper berry oil, vetiver oil, olibanum oil, galbanum oil and labdanum oil as well as orange blossom oil, neroliol, orange peel oil and sandalwood oil.  

In principle, all natural, suitable for cosmetics are suitable as co-oil components and synthetic oil components, e.g. B. of the type of paraffin oils, vegetable oils (Trigly cerid oils), liquid waxes, jojoba oil, synthetic fatty acid and fatty alcohol esters, the dicarboxylic acid ester, the ester of diols and polyols, the linear and branched Fatty alcohols and the dialkyl ether.

Dialkyl ethers are preferred as the co-oil component in the perfume oil microemulsions with a total of 12-24 carbon atoms in an amount of at least 0.5 wt .-% set so that a preferred clear fabric softener is a perfume oil microemulsion in which as Co-oil component is a dialkyl ether with a total of 12-24 carbon atoms in an amount of at least 0.5 wt .-% is contained, in amounts of 0.5 to 20, preferably 1 to 10 and contains in particular 1.5 to 7.5 wt .-%. Mixtures of dialkyl ethers with primary ones Alcohols can be used as a co-oil component in the perfume oil microemulsions become. In the context of the present invention, preference is given to clear fabric softeners, one Perfume oil microemulsion containing a mixture of a dialkyl ether as a co-oil component with a total of 12-24 C atoms and a monohydric primary alcohol with 12-36 C- Atoms is contained, in amounts of 0.5 to 20, preferably 1 to 10 and in particular Contain 1.5 to 7.5 wt .-%.

Although the preparation of the perfume oil microemulsions using the dialkyl ether succeeds as a co-oil component without additional co-emulsifiers, it can be useful use a co-emulsifier. Lipophilic, nonionic are suitable as co-emulsifiers Emulsifiers or cationic emulsifiers. As lipophilic non-ionic co-emulsifiers can e.g. B. fatty acid-polyol partial esters of fatty acids with 10-18 carbon atoms and one Polyol with 2-6 C atoms and 2-6 hydroxyl groups can be used. examples for such co-emulsifiers are e.g. B. Sorbitan monolaurate, glycerol monolaurate, methyl gluco sid monomyristate, propylene glycol col monopalmitate and the addition products of 1-4 Moles of ethylene oxide to such polyol partial esters.

Alkyl oligoglycosides are preferably used as nonionic emulsifiers for producing the microemulsions. Alkyl oligoglycosides, their production and use as surface-active substances are known, for example, from DE 19 43 689 A1 or from DE 38 27 543 A1. With regard to the glycoside residue, both monoglycosides in which a sugar residue is glycosidically bound to the fatty alcohol and oligomeric glycosides with an average degree of oligomerization of up to about 2 are suitable. Suitable alkyl oligoglycosides are those of the formula RO- (G) _x , in which RO is the aliphatic, linear residue of a primary fatty alcohol having 8-22, preferably 10-16 C atoms, and (G) _x an oligoglycoside residue an average degree of oligomerization x of 1 to 2. The glucoside residue is contained in the commercially available alkyl oligoglycosides as the glycoside residue. The weight ratio of perfume oil (A) to alkyl glycoside (C) is preferably in the range from 0.5: 1 to 2: 1.

The alkyl polyglycoside is used as an emulsifier, preferably in amounts of 1 to 30% by weight. used. Preferred perfume oil microemulsions have a weight ratio from perfume oil to alkyl polyglycoside, which is in the range from 0.5: 1 to 2: 1. An im Clear fabric softener preferred in the context of the present invention contains a perfume oil Microemulsion in which the weight ratio of perfume oil to alkyl polyglycoside in the loading ranges from 0.5: 1 to 2: 1, in amounts of 0.5 to 20, preferably 1 to 10 and in particular the other 1.5 to 7.5 wt .-%.

Suitable cationic co-emulsifiers are e.g. B. quaternary ammonium surfactants, e.g. B. Cetyl trimethylammonium chloride, benzalkonium chloride, distearyldimethylammonium chloride and especially biodegradable so-called esterquats. Except for the above Quaternary ammonium salts can also other known cationic surfactants and Emulsifiers can be used as co-emulsifiers in the sense of the invention.

In addition to components a) and b), which alone are already complete Fabric softeners, the agents of the invention can contain other ingredients contain the application and / or aesthetic properties of the textile plasticizers continue to improve. Included within the scope of the present invention funds in addition to components a) and b) one or more substances from the Group of electrolytes, non-aqueous solvents, pH regulators, fragrances, perfume carriers, fluorescent agents, dyes, hydrotopes, foam inhibitors, silicone oils, antirede Positioning agents, thickeners, enzymes, optical brighteners, graying inhibitors, enema preventers, anti-crease agents, color transfer inhibitors, antimicrobial agent  fen, germicides, fungicides, antioxidants, corrosion inhibitors, antistatic agents, ironing aids agents, phobing and impregnating agents, swelling and anti-slip agents as well as UV absorbers.

A wide number of different salts can be used as electrolytes from the group of inorganic salts. Preferred cations are the alkali and alkaline earth metals, preferred anions are the halides and sulfates. From a production point of view, the use of NaCl or MgCl ₂ in the agents according to the invention is preferred.

Non-aqueous solvents that can be used in the agents according to the invention NEN, come for example from the group of mono- or polyhydric alcohols, alkanola mine or glycol ether, provided they are in the specified concentration range with water are miscible. The solvents are preferably selected from ethanol, n- or i-propanol, butanols, glycol, propane or butanediol, glycerin, diglycol, propyl or Butyl diglycol, hexylene glycol, ethylene glycol methyl ether, ethylene glycol ethyl ether, ethyl lenglycol propyl ether, ethylene glycol mono-n-butyl ether, diethylene glycol methyl ether, Diethylene glycol ethyl ether, propylene glycol methyl, ethyl or propyl ether, dipropy lenglycolmethyl or ethyl ether, methoxy, ethoxy or butoxytriglycol, 1- Butoxyethoxy-2-propanol, 3-methyl-3-methoxybutanol, propylene glycol t-butyl ether and Mixtures of these solvents.

In order to bring the pH of the agents according to the invention into the desired range, the use of pH adjusting agents may be indicated. All can be used here ten acids or alkalis, provided that their use does not result from application technology or for ecological reasons or for reasons of consumer protection. Usually The amount of these adjusting agents does not exceed 1% by weight of the total formulation.

In order to improve the aesthetic impression of the agent according to the invention, you can use suitable dyes are colored. Preferred dyes, the selection of which Specialist poses no difficulty, has a high storage stability and is unstable sensitivity to the other ingredients of the agents and to light and none pronounced substantivity towards textile lasers in order not to stain them.  

As foam inhibitors that can be used in the agents according to the invention, For example, soaps, paraffins or silicone oils come into consideration, which may arise Carrier materials can be applied. Suitable anti-redeposition agents, also known as should be called repellents, for example nonionic cellulose ethers such as Methyl cellulose and methyl hydroxypropyl cellulose with a proportion of methoxy groups from 15 to 30 wt .-% and of hydroxypropyl groups from 1 to 15 wt .-%, each bezo gene on the nonionic cellulose ether and those known from the prior art Polymers of phthalic acid and / or terephthalic acid or of their derivatives, in particular Polymers from ethylene terephthalates and / or polyethylene glycol terephthalates or anio nisch and / or nonionically modified derivatives of these. Particularly preferred of these are the sulfonated derivatives of the phthalic acid and terephthalic acid polymers.

Thickeners can be added to the agents according to the invention in order to improve the increase viscosity, or improve the thixotropy properties of gels. Ver Thickeners are often referred to as swelling agents and are mostly organic high molecular weight substances that can absorb liquids (mostly water) swell and eventually transition into viscous real or colloidal solutions. Examples for such agents are polyacrylic acids or acrylic acid copolymers such as those sold by Goodrich under the trade name Carbopol®, starch or cationically modified starch.

Enzymes in particular come from the hydrolase classes such as the protea sen, esterases, lipases or lipolytically active enzymes, amylases, cellulases or other glycosyl hydrolases and mixtures of the enzymes mentioned. All of these hydro Lases wear in the laundry to remove stains such as protein, fat or starch stains and graying. Cellulases and other glycosyl hydrolas sen can also by removing pilling and microfibrils to the farber posture and contribute to increasing the softness of the textile. For bleaching or for hem Color transfer can also use oxireductases. Particularly good are suitable from bacterial strains or fungi such as Bacillus subtilis, Bacillus lichenifor mis, Streptomyceus griseus and Humicola insolens enzymatic substances obtained. Proteases of the subtilisin type and in particular proteases which are preferred Bacillus lentus are used. There are 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 lipolytically acting enes zymmen or from protease, amylase and lipase or lipolytic enzymes or Protease, lipase or lipolytically active enzymes and cellulase, but especially Protease and / or lipase-containing mixtures or mixtures with lipolytically active Enzymes of special interest. Examples of such lipolytic enzymes are the well-known cutinases. Peroxidases or oxidases have also been found in some cases proven suitable. Suitable amylases include in particular α-amylases, iso- Amylases, pullulanases and pectinases. Cellobiohy are preferably used as cellulases drolases, endoglucanases and β-glucosidases which are also called cellobiases, or Mixtures of these are used. Because different types of cellulase are characterized by their CMCase and Avicelase activities can be distinguished by targeted mixtures of the Cellulases the desired activities can be set. The enzymes can be adsorbed on carriers or embedded in coating substances in order to protect them against premature decomposition. The proportion of enzymes, enzyme mixtures or enzyme granules can, for example, about 0.1 to 5 wt .-%, preferably 0.12 to be about 2% by weight.

Optical brighteners (so-called "whiteners") can be added to the agents according to the invention be set to eliminate graying and yellowing of the treated textiles gen. These substances absorb on the fiber and cause a brightening and pretend Bleaching effect by converting invisible ultraviolet radiation into visible longer-wave Convert light, the ultraviolet light absorbed from sunlight as weak bluish fluorescence is emitted and with the yellow tone of the grayed or yellowed laundry gives pure white. Suitable compounds originate, for example from the substance classes of 4,4'-diamino-2,2'-stilbene disulfonic acids (flavonic acids), 4,4'- Distyryl-biphenyls, methylumbelliferones, coumarins, dihydroquinolinones, 1,3- Diarylpyrazolines, naphthalic imides, benzoxazole, benzisoxazole and benzimidazole Systems and the pyrene derivatives substituted by heterocycles. The optical Aufhel ler are usually in amounts between 0.1 and 0.3 wt .-%, based on the finished Means used.  

Graying inhibitors have the task of removing the dirt detached from the fiber in the Keep the liquor suspended and thus prevent the dirt from re-opening. Water-soluble colloids of mostly organic nature are suitable for this purpose, for example the water-soluble salts of polymeric carboxylic acids, glue, gelatin, salts of ether sulfonic acid Ren starch or cellulose or salts of acidic sulfuric acid esters of cellulose or strength. Water-soluble polyamides containing acid groups are also for this Suitable purpose. Soluble starch preparations and others other than the above can also be used use named starch products, e.g. B. degraded starch, aldehyde starches, etc. Also Po lyvinylpyrrolidone is useful. However, cellulose ethers such as carboxyme are preferred ethyl cellulose (Na salt), methyl cellulose, hydroxyalkyl cellulose and mixed ethers such as Me ethyl hydroxyethyl cellulose, methyl hydroxypropyl cellulose, methyl carboxymethyl cellulose and mixtures thereof in amounts of 0.1 to 5 wt .-%, based on the agent.

Since textile fabrics, in particular from rayon, rayon, cotton and their Mi can be wrinkled, because the individual fibers prevent bending, kinking. Pressing and squeezing across the grain are sensitive, the fiction, ge agents contain synthetic anti-crease agents. These include, for example, syn thetic products based on fatty acids, fatty acid esters. Fatty acid amides, alkyl esters, alkylolamides or fatty alcohols, which are mostly reacted with ethylene oxide, or products based on lecithin or modified phosphoric acid esters.

To combat microorganisms, the agents according to the invention can be antimicro bielle contain active ingredients. A distinction is made here depending on the antimicrobial spectrum and mechanism of action between bacteriostatics and bactericides, fungistatics and Fungicides, etc. Important substances from these groups are, for example, benzalkonium chloride, alkylarlyl sulfonates, halophenols and phenol mercuric acetate, with which he agents according to the invention can also be completely dispensed with these compounds.

To unwanted, caused by oxygen and other oxidative processes To prevent changes to the agents and / or the treated textiles which contain antioxidants. This connection class includes, for example substituted phenols, hydroquinones, pyrocatechols and aromatic amines and orga niche sulfides polysulfides, dithiocarbamates, phosphites and phosphonates.  

Increased comfort can result from the additional use of antistatic agents ren, which are additionally added to the agents according to the invention. Enlarge antistatic agents the surface conductivity and thus allow an improved drainage of formed Charges. External antistatic agents are usually substances with at least one hydro phile molecular ligands and give the surfaces a more or less hygrosko fish movie. These mostly surface-active antistatic agents can be broken down into nitrogen-containing ones (Amines, amides, quaternary ammonium compounds), phosphorus-containing (phosphoric acid esters) and divide sulfur-containing (alkyl sulfonates, alkyl sulfates) antistatic agents. External antista Tika are, for example, in patent applications FR 1,156,513, GB 873 214 and GB 839 407 described. The lauryl (or stearyl) dimethylbenzylammonium disclosed here chlorides are suitable as antistatic agents for textiles or as an additive to detergents in addition, a finishing effect is achieved.

To improve the water absorption capacity, the rewettability of the behan Delten textiles and to facilitate the ironing of the treated textiles can in the agents according to the invention, for example silicone derivatives. This verbes additionally the rinsing behavior of the agents according to the invention through their foam properties. Preferred silicone derivatives are, for example, polydialkyl or Alkylarylsiloxanes in which the alkyl groups have one to five carbon atoms and all or partially fluorinated. Preferred silicones are polydimethylsiloxanes can be derivatized and then amino functional or quaternized or Have Si-OH, Si-H and / or Si-Cl bonds. The viscosities of the preferred silicones ne at 25 ° C in the range between 100 and 100,000 centistokes, the silicones in Amounts between 0.2 and 5 wt .-%, based on the total agent can.

Finally, the agents according to the invention can also contain UV absorbers which act on the treated textiles and improve the lightfastness of the fibers. Connect Applications which have these desired properties are, for example, those by radiation-free deactivation of active compounds and derivatives of benzophenone with substituents in the 2- and / or 4-position. Also substituted are benzotriazo le, in the 3-position phenyl substituted acrylates (cinnamic acid derivatives), optionally with Cya  nogroups in the 2-position, salicylates, organic Ni complexes and natural products such as Um belliferon and the body's own urocanoic acid.

The clear fabric softener according to the invention is produced in a manner known per se Way by simply mixing the individual components, the perfume oil Microemulsion is prepared separately. Depending on whether optional additional ingredients in the form of aqueous solutions or as solids that need to be dissolved, who added , it may be advantageous to add the perfume oil microemulsion last and under to mix. The action of high shear forces or the use of mixers with high Energy as it is required to produce stable, conventional dispersions not necessary.  

Examples

By intensively mixing the components listed in Table 1, a Par Foam oil microemulsion produced with the following composition:

Table 1

Perfume oil microemulsion [% by weight]

Plantacare® 220: C ₈ -C ₁₀ -alkyl-oligo- (1.5) -glucoside, 63% in water, commercial product from Henkel, Düsseldorf
Plantacare® 1200: C ₁₂ -C ₁₆ alkyl oligo- (1.4) glucoside, 50% in water, commercial product from Henkel, Düsseldorf
Dehyquart® AU46: Dipalmitoleyloxyethyl-hydroxyethyl-methylammonium methoxysulfate, 90% in isopropanol, commercial product from Henkel, Düsseldorf
Cetiol® OE: Di-n-octylether, commercial product from Henkel, Düsseldorf.

For the production of clear fabric softener a according to the teaching of DE 195 39 846 (example 1) Adipic acid ester quat produced which is used in low concentrated and high concentrated fabric softener was used. The fabric softener E1 and E2 and the comparative examples V1 to V4 were each in the same amounts Scented perfume, the perfume oil microemulsion being used according to the invention, while the perfume was incorporated directly in the comparative examples. Products E1 and V1 were prepared by stirring in the adipic acid Esterquats in 50 ° C warm water, stirring for 15 minutes at 50 ° C, cooling to 25 ° C and subsequent addition of perfume oil microemulsion or perfume. The production of the Pro Products E2 and V2 were done by stirring the adipic acid ester quat in 60 ° C warm  Water, addition of emulsifier and solvent, stirring for 15 minutes at 60 ° C, Ab cool to 25 ° C and then add perfume oil microemulsion or perfume. Around to prove that the components additionally present in the perfume oil microemulsion not as such, but only as a microemulsion with the perfume in comparative examples V3 and V4, an emulsifier mixture analogous to that in par used for emulsifier mixture and made before adding the Perfume oil stirred into the neck. The composition of the emulsifier mixture is in Table 2 indicated the composition of the funds and data on stability and Appearance is shown in Table 3.

Table 2

Composition of the emulsifier mixture [% by weight]

Table 3

Composition of fabric softener [% by weight]

Claims (11)

1. Clear, aqueous fabric softener, each based on the total agent

• a) 2 to 60% by weight of a reaction product of trialkanolamines with a mixture of fatty acids and dicarboxylic acids, which was optionally alkoxylated and then quaternized in a manner known per se,
• b) 0.5 to 20% by weight of a perfume oil microemulsion with a droplet size between 10 and 100 nm, which in turn contains 10 to 50% by weight of perfume oil, 1 to 10% by weight of a co-oil component, 1 to 30 % By weight of an emulsifier of the alkylpolyglycoside type and optionally up to 10% by weight of a nonionic or cationic co-emulsifier, the weight ratio of perfume oil to co-oil component being 10: 1 to 2: 1 and
• c) as the remainder water or an aqueous solution of further active substances and auxiliaries.

2. Clear fabric softener according to claim 1, characterized in that an implementation Development product of trialkanolamines with a mixture of fatty acids and Dicar bonic acids in a molar ratio of 1:10 to 10: 1, preferably 1: 5 to 5: 1, the opposite optionally alkoxylated and then quaternized in a manner known per se de, in amounts of 2 to 60, preferably 3 to 35 and in particular 5 to 30% by weight is included in the funds. 3. Clear fabric softener according to one of claims 1 or 2, characterized in that that it contains a reaction product of triethanolamine. 4. Clear fabric softener according to one of claims 1 to 3, characterized in that a reaction product of trialkanolamines with a mixture of fatty acids of formula I,
R ¹ -CO-OH (I)
in which R ¹ -CO- represents an aliphatic, linear or branched acyl radical having 6 to 22 carbon atoms and 0 and / or 1, 2 or 3 double bonds, is contained in the compositions. 5. Clear fabric softener according to one of claims 1 to 4, characterized in that a reaction product of trialkanolamines with a mixture of fatty acids and dicarboxylic acids of the formula II, HO-OC- [X] -CO-OH (II)
in which X represents an optionally hydroxyl-substituted alkylene group having 1 to 10 carbon atoms, is contained in the compositions. 6. Clear fabric softener according to one of claims 1 to 5, characterized in that a reaction product of triethanolamine with a mixture of fatty acids and Adipic acid in a molar ratio of 1: 5 to 5: 1, preferably 1: 3 to 3: 1, the was finally quaternized in a manner known per se, contained in the compositions is. 7. Clear fabric softener according to one of claims 1 to 6, characterized in that he a perfume oil microemulsion in which a dialkyl ether is used as a co-oil component contain a total of 12-24 carbon atoms in an amount of at least 0.5 wt .-% is in amounts of 0.5 to 20, preferably 1 to 10 and in particular 1.5 to 7.5 Wt .-% contains. 8. Clear fabric softener according to one of claims 1 to 7, characterized in that he a perfume oil microemulsion in which a mixture of egg as a co-oil component dialkyl ether with a total of 12-24 carbon atoms and a monovalent primary Alcohol with 12-36 carbon atoms is contained, in amounts of 0.5 to 20, preferably two se contains 1 to 10 and in particular 1.5 to 7.5 wt .-%.   9. Clear fabric softener according to one of claims 1 to 8, characterized in that he a perfume oil microemulsion in which the weight ratio of perfume oil to Alkyl polyglycoside is in the range from 0.5: 1 to 2: 1. 10. Clear fabric softener according to one of claims 1 to 9, characterized in that he in addition to components a) and b) one or more substances from the Group of electrolytes, non-aqueous solvents, pH regulators, fragrances, Perfume carriers, fluorescent agents, dyes, hydrotopes, foam inhibitors, sili oils, anti-redeposition agents, thickeners, enzymes, optical brighteners, graying inhibitors, anti-shrink agents, anti-crease agents, dye transfer inhibitors antimicrobial agents, germicides, fungicides, antioxidants, corrosis onsinhibitors, antistatic ironing aids, phobing and impregnating agents, swelling and Contains sliding test agent and UV absorber.