DE102012217139A1 - Pasty hand dishwashing detergent - Google Patents

Abstract

A solid or pasty cleaning agent for hard surfaces, comprising alkylbenzenesulfonic acid or salts thereof, as well as calcium carbonate and at least one other surfactant, can be used for cleaning hard surfaces and in particular for manual dishwashing.

Description

The invention relates to a solid or pasty hard surface cleaner containing alkylbenzenesulfonic acid or salts thereof and calcium carbonate and at least one other surfactant.

For cleaning hard surfaces and especially for washing dishes mostly liquid detergents are used. In addition, however, pasty products are also used by consumers, which are usually formulated on the basis of linear alkylbenzenesulfonates. These have the advantage of targeted and economical applicability, and abrasive components, for example calcium carbonate, can also be used in these pastes.

These pasty products are usually tough. However, market research has shown that consumers prefer solid, yet ductile pastes to hard pastes. If the content of plasticizing organic components, for example surfactants, in the paste is increased, the ductility also increases. However, this also involves a - undesirable - increase in formula costs, furthermore, for reasons of environmental compatibility, an increase in the surfactant content is not desirable.

The object of the present invention is therefore to provide a solid or pasty cleaning agent for hard surfaces, which has good ductility even without increasing the content of organic components, in particular surfactants.

Surprisingly, it has now been found that by using a combination of alkylbenzenesulfonate and at least one other surfactant more ductile pastes can be obtained even with the total surfactant content remaining the same.

The subject of the application is therefore a solid or pasty cleaning agent for hard surfaces, comprising alkylbenzenesulfonic acid or salts thereof and calcium carbonate containing at least one other surfactant.

In the context of the present invention are fatty acids or fatty alcohols or their derivatives - unless otherwise stated - representative of branched or unbranched carboxylic acids or alcohols or their derivatives having preferably 6 to 22 carbon atoms. The former are particularly preferred for their vegetable base as based on renewable raw materials for environmental reasons, but without limiting the teaching of the invention to them. In particular, the oxo alcohols or their derivatives which are obtainable, for example, by the ROELEN's oxo synthesis can also be used correspondingly.

Whenever alkaline earth metals are referred to below as counterions for monovalent anions, this means that the alkaline earth metal is present only in half - as sufficient to charge balance - amount of substance as the anion.

Substances which also serve as ingredients of cosmetic products are referred to below, where appropriate, according to the International Nomenclature Cosmetic Ingredient (INCI) nomenclature. Chemical compounds carry an INCI name in English, plant ingredients are listed exclusively in Linnaeus in Latin, so-called trivial names such as "water", "honey" or "sea salt" are also given in Latin. The INCI names are the International Cosmetic Ingredient Dictionary and Handbook - Seventh Edition (1997) issued by The Cosmetic, Toiletry and Fragrance Association (CTFA), 1101 17th Street, NW, Suite 300, Washington, DC, 20036, USA, and more than 9,000 INCI names, as well as references to more than 37,000 trade names and technical designations including related distributors from over 31 countries. The International Cosmetic Ingredient Dictionary and Handbook assigns to the ingredients one or more chemical classes, such as polymeric ethers, and one or more functions, such as surfactants-cleansing agents, which are further explained and discussed below possibly also referred to. The indication CAS means that the following sequence of numbers is a name of the Chemical Abstracts Service.

Unless otherwise stated, amounts given are percentages by weight (% by weight) of the total composition. These percentages refer to active contents.

The agent according to the invention contains as surfactant component at least one alkylbenzenesulfonic acid or salt thereof, in particular a linear C _10-18 -alkylbenzenesulfonate, and at least one another surfactant. This is preferably selected from the group of anionic surfactants, amphoteric surfactants, nonionic surfactants and / or cationic surfactants. Preferred anionic surfactants are selected from the group comprising fatty alcohol ether sulfates, alkyl sulfonates, fatty alcohol sulfates, monoglyceride sulfates and ester sulfonates (sulfo fatty acid esters), lignosulfonates, fatty acid cyanamides, anionic sulfosuccinic acid surfactants (sulfosuccinates, sulfosuccinamates and sulfosuccinamides), fatty acid isethionates, acylaminoalkanesulfonates (fatty acid taurides), fatty acid sarcosinates, ether carboxylic acids and alkyl (ether ) phosphates. Preferred nonionic surfactants include alkoxylates such as polyglycol ethers, alkylphenol polyglycol ethers, end-capped polyglycol ethers, mixed ethers and hydroxy mixed ethers and fatty acid polyglycol esters, furthermore block polymers of ethylene oxide and propylene oxide and fatty acid alkanolamides and fatty acid polyglycol ethers, furthermore amine oxides and sugar surfactants, in particular alkyl polyglucosides. Suitable amphoteric surfactants are betaines, alkylamidoalkylamines, alkyl-substituted amino or imino acids, for example aminopropionates, acylated amino acids or biosurfactants. Preferred cationic surfactants are the quaternary surface-active compounds, in particular with an ammonium, sulfonium, phosphonium, iodonium or arsonium group, which are also known as antimicrobial agents. Through the use of quaternary surface-active compounds with antimicrobial action, the agent can be designed with an antimicrobial effect or its possibly existing antimicrobial effect due to other ingredients can be improved. In order to avoid possible incompatibilities of the cationic surfactants with the anionic surfactant (s) contained, as far as possible anionic surfactant-compatible and / or as little as cationic surfactant are used or, in a particular embodiment of the invention, cationic surfactants are completely dispensed with.

Preference is given to using an alkyl ether sulfate as further surfactant, preferably a fatty alcohol ether sulfate, in particular selected from C _10-18 fatty alcohol ether sulfates having 2 to 8 EO, preferably C _12-14 fatty alcohol ether sulfates having 2 to 6 EO, more preferably a sodium lauryl ether sulfate having 2 EO. The alkylbenzenesulfonic acid or the salt thereof and the alkyl ether sulfate in a mass ratio of 20: 1 to 1: 1, preferably 10: 1 to 7: 3, are included

Furthermore, the agent according to the invention contains calcium carbonate. The properties of the paste, in particular its ductility, can be influenced by the particle size distribution of the calcium carbonate. It is desirable if the cleaning agent has a ductility of less than 6 kg / cm ² , preferably 1 to 4 kg / cm ² , measured with a Penetrometer PCE-FM200 with 6 mm Eindringpitze. This is achieved for example by the use of calcium carbonate with a particle size of 1 to 100 .mu.m, preferably 5 to 30 .mu.m, as it is commercially available, for example, under the trade name Calcilit 20 KA from Alpha Calcit. The particle size distribution is determined by means of laser diffraction (Malvern Mastersizer 2000). The agent according to the invention preferably contains 5 to 45% by weight of calcium carbonate, more preferably 15 to 40% by weight, in particular 25 to 35% by weight.

In addition to calcium carbonate, the composition according to the invention may contain one or more further ingredients with abrasive action. In the context of this invention, abrasives may be used for substances which have a cleaning-supporting action when the agent is used according to the invention. This is due to the abrasive effect of the particles, by means of which even more strongly adhering soiling can be detached and transferred to the cleaning liquor. However, it is at the same time required that the surface to be cleaned is not scratched by the action of the abrasive, roughened or attacked in any other way. Therefore, it is preferred that the particles have no sharp edges or tips. In particular, it is preferred if spherical or ellipsoidal, optionally also drop-shaped particles are used. These contribute with their spatial form in addition to the surface-friendly property also to the positive visual impression of the composition according to the invention.

The abrasives which can be used further may be inorganic and / or organic, water-soluble and / or insoluble particles. Water-insoluble abrasive particles ensure an abrasive effect over a longer period of time than water-soluble abrasives. In particular, they may be selected from the group comprising plastics, hard waxes, natural materials, ceramic particles, glass beads, inorganic substances and mixtures thereof. Plastic particles as abrasives are preferably selected from the group comprising polyethylene, polypropylene, polystyrene, polyethylene terephthalate, polyester, polycarbonate, polyvinyl chloride, polyvinyl acetate, polymethyl methacrylate and copolymers and mixtures thereof. The abrasives from natural materials include, for example, crushed shells of hazelnuts, almonds, Brazil nuts, walnuts, coconuts and other nuts and shells of stones of various fruits, such as apricots, peaches, plums, etc., but also optionally crushed kernels of grapes and various soft fruits, such as strawberries, raspberries, blackberries, etc. Under certain circumstances, crushed roots or bark pieces can also be used as Abrasives serve. In the preparation of such abrasives derived from natural materials, it is of particular importance that the formation of sharp-edged, possibly surface attacking, particles be avoided. The inorganic compounds which can be used as abrasive particles include, for example, alkali metal carbonates, alkali metal bicarbonates and alkali metal sulfates, alkali metal borates, alkali metal phosphates, silicon dioxide, crystalline or amorphous alkali silicates and sheet silicates, finely crystalline sodium aluminum silicates and aluminum oxides.

As abrasives in the context of the present invention, particles with a diameter of 0.05 to 4 mm can be used. Preferably, they have a diameter of 0.3 to 1.5 mm. If the shape of the particles deviates from the spherical shape, the particle diameter is averaged over the three spatial directions. The content of the agent to further abrasives is preferably up to 15 wt .-%, more preferably up to 10 wt .-%, in particular 0.1 to 5 wt .-%.

Water-soluble salts

The cleaning agent according to the invention may further contain one or more water-soluble salts in a total amount of 0.1 to 30 wt .-%. These may be inorganic and / or organic salts, in a preferred embodiment it is at least one inorganic salt.

Inorganic salts which can be used according to the invention are preferably selected from the group comprising colorless water-soluble halides, sulfates, sulfites, carbonates, bicarbonates, nitrates, nitrites, phosphates and / or oxides of the alkali metals, alkaline earth metals, aluminum and / or transition metals; Furthermore, ammonium salts can be used. Particularly preferred are halides and sulfates of the alkali metals; Preferably, the at least one inorganic salt is therefore selected from the group comprising sodium chloride, potassium chloride, sodium sulfate, potassium sulfate and mixtures thereof. In a preferred embodiment, sodium chloride and / or sodium sulfate is used.

The organic salts which can be used according to the invention are, in particular, colorless water-soluble alkali metal, alkaline earth metal, ammonium, aluminum and / or transition metal salts of the carboxylic acids. Preferably, the salts are selected from the group comprising formate, acetate, propionate, citrate, malate, tartrate, succinate, malonate, oxalate, lactate and mixtures thereof.

In a particularly preferred embodiment, however, only inorganic salts are used, very particularly preferably sodium chloride and / or sodium sulfate.

thickener

The cleaning agent according to the invention may further comprise one or more thickening agents. Thickening agents in the context of the present invention are polycarboxylates, preferably homopolymers and copolymers of acrylic acid, in particular acrylic acid copolymers such as acrylic acid-methacrylic acid copolymers, and polysaccharides, in particular heteropolysaccharides, as well as other customary polymeric thickeners. In addition, it is also possible to use phyllosilicates and further inorganic substances known to the person skilled in the art as thickeners as thickeners in the context of this invention; also mixtures of different thickening agents can be used. Preferably, however, polymers, especially polycarboxylates and / or polysaccharides, are used as thickeners in cleaning agents according to the invention.

Suitable polysaccharides or heteropolysaccharides are the polysaccharide gums, for example gum arabic, agar, alginates, carrageenans and their salts, guar, guar gum, tragacanth, gellan, Ramzan, dextran or xanthan and their derivatives, e.g. propoxylated guar, as well as their mixtures. Other polysaccharide thickeners, such as starches or cellulose derivatives, may be used alternatively, but preferably in addition to a polysaccharide gum, for example starches of various origins and starch derivatives, e.g. Hydroxyethyl starch, starch phosphate esters or starch acetates, or carboxymethyl cellulose or its sodium salt, methyl, ethyl, hydroxyethyl, hydroxypropyl, hydroxypropyl methyl or hydroxyethyl methyl cellulose or cellulose acetate.

A preferred polymer is the microbial anionic heteropolysaccharide xanthan gum, which is produced by Xanthomonas campestris and some other species under aerobic conditions with a molecular weight of 2-15 × 10 ^6, and for example, by Fa. Kelco under the trade names Keltrol ^® and Kelzan ^® or is also available from Rhodia under the trade name Rhodopol ^®.

Suitable acrylic acid polymers are, for example, high molecular weight homopolymers of acrylic acid crosslinked with a polyalkenyl polyether, in particular an allyl ether of sucrose, pentaerythritol or propylene (INCI Carbomer), which are also referred to as carboxyvinyl polymers. Such polyacrylic acids are obtainable inter alia from Messrs. BF Goodrich under the trade name Carbopol ^®.

However, particularly suitable polymers are the following acrylic acid copolymers: (i) Copolymers of two or more monomers from the group of acrylic acid, methacrylic acid and their simple ester, preferably formed with C _1-4 -alkanols (INCI acrylates copolymer), to which approx the copolymers of methacrylic acid, butyl acrylate and methyl methacrylate (CAS 25035-69-2) or of butyl acrylate and methyl methacrylate (CAS 25852-37-3) and for example from Messrs. Rohm & Haas under the trade names Aculyn ^® and Acusol ^®, as well as the company Degussa (Goldschmidt) under the trade name Tego ^® polymer are available; (ii) crosslinked high molecular weight acrylic acid copolymers, such as those crosslinked with an allyl ether of sucrose or pentaerythritol copolymers of C _10-30 alkyl acrylates with one or more monomers selected from the group of acrylic acid, methacrylic acid and their simple, preferably with C _1-4 alkanols formed, esters (INCI acrylates / C10-30 alkyl acrylate crosspolymer) and which are obtainable for example from the company. BFGoodrich under the tradename Carbopol ^®.

Primary phyllosilicates can be used as inorganic thickeners. These include, for example, available under the trade name Laponite ^® magnesium or sodium magnesium phyllosilicates from Solvay Alkali, in particular the Laponite ^® RD or Laponite ^® RDS, and the magnesium silicates Süd-Chemie, especially the Optigel ^® SH.

Builder

Furthermore, the cleaning agent according to the invention may contain all builders (builders) customarily employed in detergents and cleaners, in particular silicates, carbonates, organic cobuilders and also the phosphates.

Crystalline, layered sodium silicates of the general formula NaMSi _x O _{2x + 1} · yH ₂ O, where M is sodium or hydrogen, x is a number from 1.9 to 4 and y is a number from 0 to 20, are among the silicates is and preferred values for x are 2, 3 or 4. In addition, it is also possible to use amorphous sodium silicates with a Na ₂ O: SiO ₂ module of from 1: 2 to 1: 3.3, preferably from 1: 2 to 1: 2.8 and in particular from 1: 2 to 1: 2.6, to which also water glass is to be counted. In the context of this invention, the term "amorphous" is also understood to mean "X-ray amorphous". This means that the silicates do not yield sharp X-ray reflections typical of crystalline substances in X-ray diffraction experiments, but at most one or more maxima of the scattered X-rays having a width of several degrees of diffraction angle. Furthermore, zeolites can be used as builders, preferably zeolite A and / or P. However, zeolite X and mixtures of A, X and / or P are also suitable.

As carbonates, both the monoalkali metal salts and the dialkali metal salts of carbonic acid as well as sesquicarbonates can be contained in the compositions. Preferred alkali metal ions are sodium and / or potassium ions, particularly preferred are soda (sodium carbonate) and potash (potassium carbonate).

Of course, a use of the well-known phosphates as builders is possible, unless such use should not be avoided for environmental reasons. Among the large number of commercially available phosphates, the alkali metal phosphates, with a particular preference for pentasodium or pentapotassium triphosphate (sodium or potassium tripolyphosphate), have the greatest importance in the washing and cleaning agent industry. "Alkalimetallphosphate" is the summary term for the alkali metal (especially sodium and potassium) salts of 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. Suitable phosphates are the sodium dihydrogen phosphate, NaH ₂ PO ₄ , the disodium hydrogen phosphate (secondary sodium phosphate), Na ₂ HPO ₄ , the trisodium phosphate, sodium tertiary phosphate, Na ₃ PO ₄ , the tetrasodium diphosphate (sodium pyrophosphate), Na ₄ P ₂ O ₇ , as well as by Condensation of NaH ₂ PO ₄ and KH ₂ PO ₄ , respectively, results in higher molecular weight sodium and potassium phosphates, in which one can distinguish cyclic representatives, the sodium or potassium metaphosphates and the chain-like types, the sodium or potassium polyphosphates. In particular, for the latter are a variety of names in use: hot or cold phosphates, Graham's salt, Kurrolsches and Maddrell's salt. All higher sodium and potassium phosphates are collectively referred to as condensed phosphates.

As organic cobuilders it is possible in particular to include polycarboxylates / polycarboxylic acids, polymeric polycarboxylates, aspartic acid, polyacetals, dextrins, further organic cobuilders (see below) and also phosphonates.

Useful organic builder substances are, for example, the polycarboxylic acids which can be used in the form of their sodium salts, polycarboxylic acids meaning those carboxylic acids which carry more than one acid function. These are, for example, citric acid, adipic acid, succinic acid, glutaric acid, malic acid, tartaric acid, maleic acid, fumaric acid, sugar acids, aminocarboxylic acids, nitrilotriacetic acid (NTA), if such use is not objectionable for ecological reasons, and mixtures of these. Preferred salts are the salts of polycarboxylic acids such as citric acid, adipic acid, succinic acid, glutaric acid, tartaric acid, methylglycinediacetic acid, sugar acids and mixtures thereof. In addition to the salts, the acids can also be used per se.

Further suitable builders are polymeric polycarboxylates, for example the alkali metal salts of polyacrylic acid or polymethacrylic acid, for example those having a relative molecular mass of from 500 to 70,000 g / mol. The molecular weights stated for polymeric polycarboxylates are weight-average molar masses M _{w of} the particular acid form, which were determined in principle by means of gel permeation chromatography (GPC), a UV detector being used. The measurement was carried out against an external polyacrylic acid standard, which provides realistic molecular weight values due to its structural relationship with the polymers investigated.

Also suitable are copolymeric polycarboxylates, in particular those of acrylic acid with methacrylic acid and of acrylic acid or methacrylic acid with maleic acid. Copolymers of acrylic acid with maleic acid which contain 50 to 90% by weight of acrylic acid and 50 to 10% by weight of maleic acid have proven to be particularly suitable. Their molecular weight, relative to free acids, is generally 2000 to 100000 g / mol.

To improve the water solubility, the polymers may also contain allylsulfonic acids such as allyloxybenzenesulfonic acid and methallylsulfonic acid as a monomer.

Also particularly preferred are biodegradable polymers of more than two different monomer units, for example those which contain as monomers salts of acrylic acid and maleic acid and vinyl alcohol or vinyl alcohol derivatives or as monomers salts of acrylic acid and 2-alkylallylsulfonic acid and sugar derivatives ,

Further preferred copolymers preferably contain acrolein and acrylic acid / acrylic acid salts or acrolein and vinyl acetate as monomers.

Further suitable builder substances are polymeric aminodicarboxylic acids, their salts or their precursors, in particular polyaspartic acids or salts and derivatives thereof, besides polyacetals which can be obtained by reacting dialdehydes with polyolcarboxylic acids which have 5 to 7 C atoms and at least 3 hydroxyl groups, and dextrins, for example oligomers or polymers of carbohydrates, which can be obtained by partial hydrolysis of starches. Preferably, these are hydrolysis products having average molecular weights in the range of 400 to 500,000 g / mol.

Oxydisuccinates and other derivatives of disuccinates, preferably ethylenediamine-N, N'-disuccinate (EDDS), are further suitable co-builders, preferably in the form of their sodium or magnesium salts
Iminodisuccinate (IDS) and their derivatives, for example Hydroxyiminodisuccinate (HDIS), and acetylated hydroxycarboxylic acids or their salts, which may optionally be present in lactone form and which contain at least 4 carbon atoms and at least one hydroxy group and a maximum of two acid groups.

Another class of substances with cobuilder properties are the phosphonates. These are, in particular, hydroxyalkane or aminoalkanephosphonates. Among the hydroxyalkane phosphonates, 1-hydroxyethane-1,1-diphosphonate (HEDP) is of particular importance as a co-builder. It is preferably used as the sodium salt, the disodium salt neutral and the tetrasodium salt alkaline (pH 9). Preferred aminoalkanephosphonates are ethylenediamine tetramethylenephosphonate (EDTMP), diethylenetriaminepentamethylenephosphonate (DTPMP) and their higher homologs. she are preferably in the form of neutral sodium salts, eg. B. as the hexasodium salt of EDTMP or as hepta- and octa-sodium salt of DTPMP used. The builder used here is preferably HEDP from the class of phosphonates. The aminoalkanephosphonates also have a pronounced heavy metal binding capacity. Accordingly, in particular if the agents also contain bleach, it may be preferable to use aminoalkanephosphonates, in particular DTPMP, or to use mixtures of the phosphonates mentioned.

In addition, all compounds capable of forming complexes with alkaline earth ions may be included as co-builders in the particulate agents.

Auxiliaries and additives

In addition to the components mentioned so far, the composition according to the invention may contain one or more further auxiliary agents and additives customary in hand dishwashing detergents and hard surface cleaners. These include, for example, organic means (especially sugars, sugar alcohols, glycerol, glycols and polymers thereof), UV stabilizers, perfume oils, pearlescent agents (INCI opacifying agents, for example glycol distearate, for example Cutina ^® AGS from Cognis, or mixtures comprising, for example. the Euperlane ^® from. Cognis), more opacifiers, dyes, corrosion inhibitors, preservatives (for example, the technical also known as Bronopol 2-bromo-2-nitropropane-1,3-diol (CAS 52-51-7), for example, as Myacide ^® BT or as Boots Bronopol BT from Boots is commercially available, or bronopol-containing mixtures such as Preventol® ^® (ex Lanxess) or Parmetol® ^® (ex Schülke & Mayr)), disinfectants, enzymes, pH modifiers, fragrances and Skin feel-improving or skin-care additives (eg dermatologically active substances such as vitamin A, vitamin B2, vitamin B12, vitamin C, vitamin E, D-panthenol, sericerin, collagen partial hydr olysate, various vegetable protein partial hydrolysates, protein hydrolyzate-fatty acid condensates, liposomes, cholesterol, vegetable and animal oils such as lecithin, soybean oil, etc., plant extracts such as aloe vera, azulene, witch hazel extracts, algae extracts, etc., allantoin, AHA complexes, glycerol, urea, quaternized hydroxyethyl cellulose), additives for improving the drainage and drying behavior or for stabilization. These auxiliaries and additives are contained in particular in amounts of usually not more than 5 wt .-%.

The solid or pasty cleaning agent preferably has a water content of not more than 30% by weight, more preferably not more than 25% by weight, in particular not more than 22% by weight.

PH value

The pH of the compositions according to the invention can be adjusted by means of customary pH regulators, for example citric acid or NaOH. In this case, it is preferable, essentially because of the required hand compatibility, for a 10% strength aqueous solution of the composition to have a pH in the range from 3 to 12, preferably 5 to 11, in particular 4 to 8.

In order to adjust and / or stabilize the pH, the composition according to the invention may further comprise one or more buffer substances (INCI Buffering Agents), usually in amounts of 0.001 to 5 wt .-%, preferably 0.005 to 3 wt .-%, in particular 0.01 to 2 wt .-%, particularly preferably 0.05 to 1 wt .-%, most preferably 0.1 to 0.5 wt .-%, for example, 0.2 wt .-%. Preference is given to buffer substances which are at the same time complexing agents or even chelating agents (INCI chelating agents). Particularly preferred buffer substances are the citric acid or the citrates, in particular the sodium and potassium citrates, for example trisodium citrate.2H ₂ O and tripotassium citrate H ₂ O.

use

The cleaning agent according to the invention can be used as a hand dishwashing detergent in the usual way. In addition, it can also be used in concentrated form for the pre-cleaning of dishes, especially heavily soiled, optionally provided with burnt dirt dirt dishes. Finally, the agent is also suitable for manual cleaning hard surfaces, such as glass, ceramic, plastic, enamel or metal, in household and commercial.

Preferably, it is used in such a way that with a cloth, a brush, a sponge or another cleaning aid, a portion of the agent is removed, for example by spotting, and is cleaned with the so-treated with cleaning aids utensils or other items under running water , In addition, with a portion of the agent according to the invention by Dissolve in (preferably warm) water a rinsing or cleaning liquor are generated, are cleaned with the hard surfaces or dishes in the usual way.

Accordingly, a further subject of this application is the use of a solid or pasty detergent according to the invention for cleaning hard surfaces and in particular for manual dishwashing. Yet another object of the invention is a method for cleaning hard surfaces using a solid or pasty detergent according to the invention

manufacturing

The cleaning agents according to the invention can be prepared by all customary routes known to the person skilled in the art.

embodiments

An inventive cleaning agent E1 and a comparison means V1 not according to the invention were produced. The compositions are shown in the table below, the quantities are in wt .-% active ingredient. E1 V1 alkyl benzene sulfonic acid 10 14 Alkylethersulfat 4 - calcium carbonate 30 30 sodium 9 9 sodium chloride 4 4 sodium sulphate 15 15 sodium silicate 3 3 Perfume 0.2 0.2 dye 0.1 0.1 sorbitol syrup 1 1 water Ad 100 Ad 100 Ductility [kg / cm ² ] 1.8 7

The ductility was measured with a penetrometer PCE-FM200 with 6 mm penetration tip.

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited non-patent literature

• International Cosmetic Ingredient Dictionary and Handbook - Seventh Edition (1997) [0009]

Claims (10)

Solid or pasty hard surface cleaner comprising alkylbenzenesulfonic acid or salts thereof and calcium carbonate, characterized in that it contains at least one further surfactant. Solid or pasty detergent according to claim 1, characterized in that the at least one further surfactant comprises at least one alkyl ether sulfate. Solid or pasty detergent according to claim 2, characterized in that the alkylbenzenesulfonic acid or the salt thereof and the alkyl ether sulfate in a mass ratio of 20: 1 to 1: 1, preferably 10: 1 to 7: 3, are included. Solid or pasty detergent according to one of claims 1 to 3, characterized in that it has a ductility of less than 6 kg / cm ² , preferably 1 to 4 kg / cm ² , measured with a Penetrometer PCE-FM200 with 6 mm Eindringpitze. Solid or pasty detergent according to one of the preceding claims, characterized in that it contains further conventional detergent ingredients, preferably selected from the group comprising cosurfactants, abrasives, water-soluble, in particular inorganic salts, buffer substances, thickeners, perfume oils, preservatives, bleach, builder and organic adjusting agents. Solid or pasty detergent according to one of the preceding claims, characterized in that it has a total surfactant content of not more than 20 wt .-%, preferably at most 15 wt .-%. Solid or pasty detergent according to one of the preceding claims, characterized in that the calcium carbonate has a particle size distribution of 1 to 100 microns, as measured by laser diffraction with a Malvern Mastersizer 2000. Solid or pasty detergent according to one of the preceding claims, characterized in that the water content is preferably not more than 30 wt .-%, more preferably not more than 25 wt .-%, in particular not more than 22 wt .-%. Use of a solid or pasty cleaning agent according to one of claims 1 to 7 for cleaning hard surfaces and in particular for manual dishwashing. A method of cleaning hard surfaces using a solid or pasty detergent according to any one of claims 1 to 7.