HU214041B - Improved liquid detergents containing fatty amine oxides - Google Patents

Abstract

(57) EXTRACT The lysine washing agent according to the invention is made from - 40-70% by weight of the organic phase of lysine, added to the total weight of the washing agent, which contains 10-50% by weight of surfactants based on the total weight of the washing agent, and - 30-60% by weight of the skeleton material, added to the total weight of the washing agent it consists of a solid phase, 5-100% by weight of the surfactant is fatty amine oxide, and common salt contains 0.5-5 moles of water when added to 1 mol of fatty amine oxide, excluding any crystal water that may be present in solid rock powders. The invention is also applicable to an organic slurry containing 20-80% by weight of surfactants suitable for the formulation of non-aqueous slurries, in which the surfactant is 5-100% by weight of transfatty amine oxide, and the slurry contains 20-78.5% by weight of polyalcohol in addition to the surfactant. soda ash and 1 mol of fatty amine oxides also contains 0.5–5 mol of water. ŕ

Description

FIELD OF THE INVENTION The present invention relates to liquid detergents having improved properties containing fatty amine oxide. The present invention also provides compositions which can be added as liquid phase to such detergents.

There are two main types of high-performance liquid detergents. One type is the so-called aqueous formulation, which contains essentially no or only minor amounts of an aqueous solution of the detergent (and any other detergent components such as bleaching agents, perfumes, and the like) and no detergent. The second type includes so-called non-aqueous formulations consisting of a liquid organic phase and a solid phase dispersed therein. In these formulations, the detergent ingredients (surfactants or detergents, skeletal agents and other common detergent components such as bleaches, perfumes, optical brighteners, complexing agents, colorants, etc.) are present in the liquid phase and are soluble in the liquid phase, Phase-insoluble solids form the solid phase. The main detergent is usually contained in the liquid organic phase, while the solid phase usually contains one or more bulking agents. Such non-aqueous compositions are disclosed, for example, in U.S. Patent Nos. 30,096 and 120,659. European Patent Specification. Liquid detergents according to the invention also belong to the group of non-aqueous compositions.

Since it is difficult to completely exclude water from non-aqueous liquid detergents, it is necessary to reduce the water sensitivity of the detergents. Decreasing the water sensitivity is expected to improve the dispersion of the detergents, i.e., the use of detergents with reduced water sensitivity can be more easily incorporated into the washing liquids.

For example, detergents can be introduced into the washing machine by placing the detergent in a storage space through which water is passed. The water that passes the detergent into the washing area of the washing machine. Detergents with poor dispersibility may leave solid deposits in the storage compartment. In some cases, the detergent is placed in a container and the container is immersed directly in the laundry compartment. If access to the container is inadequate, solid deposits may remain in the container, especially if the container was not dry when the detergent was added. Detergent dispersibility - especially in the latter case - is expected to be improved by reducing the water sensitivity of the detergent.

Surprisingly, it has been found that surfactants of the amine oxide type, i.e. fatty amine oxides, are suitable for this purpose.

Fatty amine oxides are usually commercially available in the form of aqueous solutions having, for example, a water content of 65% by weight. Although the detergent effect of fatty amine oxides is well known and aqueous fatty amine oxide solutions can be easily mixed with water in liquid detergents, they can also be easily used to produce solid detergents, i.e. detergent powders (by spray drying the aqueous solution or dispersion of components). , fatty amine oxides, even in these formulations, have only been used in limited amounts as surfactants. This is primarily because fatty amine oxides are relatively expensive materials.

Because of the water sensitivity of non-aqueous liquid detergents discussed above, it was not previously thought that aqueous fatty amine oxide solutions could be used in their preparation, moreover, it was obvious that non-aqueous liquid detergents used only anhydrous fatty amine oxides. While prior knowledge has not provided any particular advantage over fatty amine oxide detergents, the preparation of fatty amine oxides in anhydrous form and dehydration of their aqueous solutions has been shown to be a significant additional cost factor, and it is readily apparent that fatty amine oxide is considered inappropriate in non-aqueous liquid detergents.

Surprisingly, it has been found that non-aqueous liquid detergents can be made water-resistant to a certain extent by using fatty amine oxides, and even non-aqueous liquid detergents with a high water content can provide high stability non-aqueous liquid detergents. This effect occurs even with detergents containing highly water-sensitive components (such as bleach and enzymes). Non-aqueous liquid detergents containing fatty amine oxides may have a free water content of up to 5 moles per mole of fatty amine oxide. By "free water content" (or simply "water") is meant water from a source other than the crystalline water in the solids; the amount of water present in the solids as crystalline water is disregarded when determining the amount of water.

There are two additional unexpected benefits of using fatty amine oxides in non-aqueous liquid detergents. One advantage is that fatty amine oxides enhance the effect of hydroxycarboxylic acid type skeletons, which have been previously considered relatively ineffective, which results in strong detergent liquid detergents without the use of environmentally harmful phosphate type skeletal materials. Furthermore, when used in combination with polyalkylene glycols in the detergent, the fabric washed with the detergent becomes easily ironed. In our experience, easy ironing is the result of the coexistence of fatty amine oxide and polyalkylene glycol and is largely independent of the nature of the other detergent components.

Invention thus relates to a liquid detergent which the invention - based on the total weight of the detergent 40-70 ⁰ / »liquid organic phase, based on the total detergent composition comprising 10-50% by weight of surfactant, and - based on the total detergent 30-60% solids phase comprising a skeletal material. The detergent composition of the present invention comprises 5-100% by weight of the surfactant, and the detergent contains 0.5-5 mol of water per mole of fatty amine oxide, except for the crystalline water that may be present in the solid components.

The detergent according to the invention is preferably less than 3 moles per mole of fatty amine oxide, preferably

EN 214 041 Β moles (for example 1.0-1.7 moles) of water.

Preferred fatty amine oxides in the detergent compositions of the present invention as the sole surfactant or as one of the surfactants are R * N (O) R ² R ³ , wherein R ^{1 is} C 10-18 (preferably 12-16) alkyl, and R ² and R ³ are each independently C 1-3 alkyl or hydroxyalkyl.

The detergents of the present invention may optionally contain one or more other surfactants in addition to the fatty amine oxides. These other surfactants may be anionic, cationic and nonionic; nonionic surfactants are preferred. The total surfactant content of the detergent is preferably from 15% to 30% by weight of the total composition.

The anionic or cationic surfactants may be of known types. Suitable anionic detergents are, for example, soaps, alkylbenzene or olefin sulfonates, alcohol sulfates or alcohol alkoxylate sulfates. Preferred examples of cationic surfactants include: di (10-22 / preferably 16-18C) alkyl-di (lower alkyl) ammonium salts (e.g. chlorides or sulfates) or ammonium hydroxides, and fabric softeners such as (C 10 -C 16 alkyl) -di lower alkyl (e.g., methyl) - (substituted ethyl) ammonium salts, wherein the ethyl may be substituted, for example, by -OOCR, wherein R 13 is C 22 -alkyl. The anion of such ammonium salts may be, for example, an RSO4 group in which R is a lower alkyl group such as methyl. In the ammonium salts of the above type, the two lower alkyl groups attached to the nitrogen atom may preferably be two methyl groups.

The nonionic surfactants that may be present in the detergents of the present invention are preferably alkylene oxide derivatives, wherein the alkylene oxide is preferably ethylene oxide and / or propylene oxide. Particularly preferred groups of alkylene oxide derivatives are those formed by reacting amine, alkylphenol or alkanol with ethylene oxide and / or propylene oxide. The alkyl group of alkylphenols may be straight or branched C 6-20 (e.g. C 6-12); alkanols, for example, may contain from 6 to 20, preferably from 10 to 16, carbon atoms. Preferred alkanols are straight-chain or branched-chain primary or secondary alkanols. The nonionic surfactants preferably contain from 1 to 10, preferably from 3 to 8, units of alkylene glycol in the backbone (figures are average values).

A very preferred class of detergents according to the invention are those compositions which also contain polyalkylene glycol in the liquid organic phase in an amount of 5 to 55% by weight, preferably 10 to 50% by weight, preferably 25 to 45% by weight. Fabrics washed with such detergents can be ironed very easily. A further advantage of polyalkylene glycols is that they enhance the tissue wash effect of the composition. In these compositions, the weight ratio of polyalkylene glycol to fatty amine oxide is preferably from (0.5: 1) to (2: 1). The polyalkylene glycols are preferably compounds composed of ethylene glycol residues and optionally propylene glycol residues; especially preferred are polyethylene glycols. For example, the polyalkylene glycols may have a molecular weight of from 100 to 1500. Particularly preferred are polyalkylene glycols of 100 to 500 molar weights, preferably 150 to 300 molar, since they reduce the pour point of the liquid formulations so that they are easier to use in cold environments.

Detergents containing polyalkylene glycols also preferably contain a nonionic surfactant in the liquid phase. Examples of nonionic surfactants include those listed above; these may preferably be present in an amount of 5 to 25% by weight, preferably 7 to 20% by weight, based on the total weight of the composition. These detergents, which also contain polyalkylene glycol and a nonionic surfactant, have the very advantageous feature that the solid phase therein, in particular solids not exceeding 10 μπι, forms a very stable dispersion with the nonionic surfactant. If any solid material is precipitated from the composition, it will usually form a loose flocculate, which is very readily dispersible. By choosing the appropriate proportion of solid phase, polyalkylene glycol, and surfactant, phase separation can be minimized because the liquid completely fills the space between the loosely adhering solids.

Examples of backing materials in the solid phase of the detergent according to the invention are: fused phosphates (preferably fused alkali metal phosphates such as sodium tripolyphosphate), zeolites, silicates, carbonates, hydroxycarboxylic acids having 1-6 carboxyl groups and 1-5 hydroxyl groups. or tartaric acid) and their salts and / or polycarboxylic acids and their salts having at least 10 carboxyl groups. The amount of skeletal material may be, for example, 25-60% by weight of the total composition. Preferred examples of skeletal materials are water soluble materials.

A typical class of detergents according to the invention are detergents containing phosphate-type skeleton.

For environmental reasons, the phosphate content of wastewater must be reduced in many countries. With this in mind, the use of phosphate-free detergents has recently come to the fore.

A highly preferred group of detergents of the present invention are those which have a phosphate-free backbone containing at least 10, preferably at least 100 (e.g. 150-2000, preferably 200), hydroxycarboxylic acids or salts thereof having 2-6 carboxyl groups and 1-5 hydroxyl groups. -1000) with a polycarboxylic acid or a salt thereof containing a carboxyl group. In these formulations, the hydroxycarboxylic acid salts may be, for example, tartrates or, preferably, citrates. In preparations

Examples of polycarboxylic acids include polyacrylic acid or polyacrylic acid containing maleic acid units. However, the compositions preferably contain as polycarboxylic acid carboxymethylcellulose, which may conveniently contain from 100 to 1000 (for example 100 to 500) glucose units, and which may have a degree of substitution (i.e., the percentage of hydroxyl groups converted to carboxymethyl groups), preferably from 35 to 85. It can be 45-80. These detergents of hydroxycarboxylic acid (or its salt) in an amount of detergent is usually 20 to 50 weight ⁰ / », preferably 25 to 40 wt%, of the polycarboxylic acid (or its salt) and the total weight of the detergent composition is usually 2-10% by weight, preferably 3 to 9% by weight, preferably 3-8% by weight. These detergents preferably contain at least 1 part polycarboxylic acid or polycarboxylic acid salt per 8 parts by weight of hydroxycarboxylic acid (or salt).

Since the detergent preferably has a substantially neutral or alkaline pH, the acidic components in the detergent are preferably present in a form which is neutralized with ammonium or substituted ammonium ions or, more preferably, with alkali metal ions.

The solid phase of the detergents of the present invention may optionally contain one or more other solid detergent components in addition to the frame material. Examples of such solid detergent components are bleaching agents, for example, alkali metal (such as sodium) perborates and percarbonates. The amount of bleaching agent may be from 0 to 25% by weight, preferably from 1 to 20% by weight, preferably from 2 to 15% by weight, based on the total weight of the composition. If desired, bleach activators may be added to the compositions comprising the bleaching agent.

The detergent compositions of the present invention may optionally contain other additives commonly used in such compositions, such as optical brighteners, ethylenediaminetetraacetic acid, colorants, fragrances and / or enzymes, which, depending on their state and solubility, are present in the liquid or solid phase of the detergent.

The detergents of the present invention are preferably marketed in the form of pourable liquids, i.e. the compositions may preferably be dispersions of the solid component (s) in a liquid. The pour point of the formulations (determined in accordance with ASTM D97-66, approved in 1971) is preferably less than 10 ° C. Preferably, at least 90% of the solids in the composition have a diameter of less than 10 µm. Both average and mass averages can be used to determine the average particle size. The average particle diameter is preferably from 1.2 to 8 µm

Preferably, the liquid detergents of the present invention are prepared by grinding the components.

The present invention further relates to an organic liquid comprising 20-80% by weight of a surfactant suitable for the formation of a non-aqueous liquid detergent, wherein the surfactant comprises 5-100% by weight of the surfactant and 20-78.5% by weight of the surfactant. polyalkylene glycol and 0.5-5 mol water per mole of fatty amine oxide.

These organic liquids can be converted into formulations containing polyalkylene glycol, a preferred class of detergent of the present invention by the addition of a suitable backbone.

The weight ratio of polyalkylene glycol to fatty amine oxide in the above organic liquids is preferably from (0.5: 1) to (2: 1).

The above organic liquid may be formed by distilling an aqueous solution of the fatty amine oxide in the presence of polyalkylene glycol, preferably polyethylene glycol. The distillation is preferably carried out under reduced pressure at 40-80 ° C (preferably 65-75 ° C). Surprisingly, it has been found that in the presence of polyalkylene glycol, the difficulties of gel formation otherwise encountered during the distillation of aqueous fatty amine oxide solutions and preventing them from continuing distillation can be suppressed.

These organic liquids preferably contain less than 2 moles of water per mole of fatty amine oxide. The water content of the organic liquids is preferably from 1 to 1.7 moles per mole of fatty amine oxide.

Preferred examples of fatty amine oxides and polyalkylene glycols in organic liquids are those listed above.

If the organic liquids contain one or more other surfactants in addition to the fatty amine oxide, they may be anionic, cationic and nonionic surfactants. Very preferred examples of other surfactants are the nonionic detergents listed above.

The invention is further illustrated by the following non-limiting Examples. Unless otherwise stated, the weight percentages given in the examples are based on the total weight of the composition.

Example 1

Dehydration of alkyldimethylamine oxide solution

The following procedure was prepared with mono (long chain alkyl) dimethylamine oxide (DMAO: the carbon number distribution of the long alkyl chain attached to the nitrogen atom: 70% Cl2.27% C14 and 3% C16) with 200 molar polyethylene glycol (PEG 200), A solution of 50% by weight was prepared:

1 equivalent of PEG 200 was added to an aqueous solution containing about 33% by weight of DMAO.

The mixture was filled into a Quickfit flask with a capacity of 20 liters, a nitrogen inlet tube reaching the bottom of the flask was inserted and the flask was fitted with a foam separation column or foam baffle head and water cooler for collection and vacuum control. Water was removed from the solution by distillation under reduced pressure under the following conditions:

liter size: 12 hours, 66.7 mbar (50 mm Hg) at 60 ° C; 500 ml size: 3 hours, 60 mbar (45 mm Hg) 75 ° C.

HU 214 041 Β

Table 2

The distillation flask was filled up to about one-half of its maximum volume in order to leave room for the foam to form. The contents of the flask were shaken with a paddle stirrer at 100 rpm and nitrogen gas was injected into the flask through a nitrogen inlet tube. The pressure reducer was then turned on and the nitrogen inlet was reduced to a minimum. Once the desired pressure value has been reached, the temperature of the material in the flask is slowly increased to the desired value. The degree of foaming was reduced by fine-tuning the pressure or optionally adding silicone antifoam (0.05-0.1 equivalents of silicone antifoam may be added).

After removing the theoretical amount of water, the water content of the mixture remaining in the distillation flask was measured. A liquid mixture was obtained.

The above procedure was repeated except that less PEG 200 was added to the aqueous solution to form a product containing 60% by weight of DMAO. This product was solid at room temperature.

Analytical data for the two products are shown in Table 1.

Table 1

component 60% by weight 50% by weight Preparation containing DMAO Fatty Amine oxide 61.0% 50.0% Free fatty amine 0.7% 0.6% Water 3.5% 5.0% PEG 200 35.0% 44.5%

Example 2

Preparation and testing of detergents

Detergent "A" of the composition given in Table 2 was prepared as follows:

The liquid components were mixed. 7 parts by weight of the resulting mixture were mixed with the enzyme and the bentonite, and the remainder of the liquid mixture was mixed with the other solid components. The particle size of the solids in the homogenized mixtures was then reduced by milling to 3 pm (weight average particle size) and the two dispersions were homogenized.

Detergent composition "B" according to Table 2 was prepared as follows:

The components - with the exception of the enzyme - were mixed in a homogenizer, and the particle size of the solid components was reduced to 3 [mu] m (average particle size by weight). The enzyme was then mixed in the dispersion in a homogenizer.

The components and detergent compositions are listed in Table 2. The figures in Table 2 are by weight.

component Detergent "A" Detergent "B" Sodium citrate - 27 Sodium tripolyphosphate 37 - Sodium carbonate 5 5 Carboxymethyl cellulose * 1 5 Sodium disilicate 2 1 Leukophor DUK (Optical Color Enhancer) 0.3 0.3 Enzyme (protease and amylase) 0.3 0.3 Synperonic A3 ** 2.5 1.3 Synperonic 87K ** 7 3.8 PEG 200 32 36 DMAO (pure) 10 7.5 Sodium perborate monohydrate - 10 Ethylenediaminetetraacetic acid - 3 bentonite 3 - Water 1 0.75

* Commercially available as Courlose A610; degree of substitution: 0.5-0.7, assumed molecular weight: 60,000-100,000. Manufactured by Courtlauds Chemicals, United Kingdom.

** Condensation products of a 3: 1 mixture of 3 mol of ethylene oxide and 7 mol of 92% ethylene oxide and 8% propylene oxide with a 2: 1 weight ratio of C13 primary alkanol and C15 primary alkanol (2-methyl- they also contain branching). Manufacturer: ICI Surfactants, UK.

The applicability of laundry detergents to commercially available non-fatty amine oxide detergents was tested as follows:

The test washes were carried out in a Zanussi FL1030 washing machine. The washing machine was operated at 40 ° C and 60 ° C, respectively, and was washed with 90 ppm calcium hardness. Fabrics (EMPA and Krefeld), which were contaminated in a standard manner, were used as wash materials (test pieces). 4-4 pieces of 10 ^x 10 cm of each of the contaminated fabrics to be tested were placed in the washing machine and 2 kg of clean textiles were added as a ballast. The reflectance of the washed specimens was measured at 10 sites per piece, and from the measured data a% increase in reflectance was calculated for each specimen. The values obtained are shown in Table 3.

60-60 g of "A" or "B" detergent was used per wash, while 180 g of conventional detergent was used under the same conditions.

HU 214 041 Β was used. As can be seen from the data in Table 3, Compounds A and B showed a good detergent effect when compared to conventional detergents in triplicate.

The effect of detergents on ironability was assessed by a survey of housewives using detergent A for 2 weeks. Of the 29 people surveyed, 27 answered "yes, can the laundry be ironed well?" question.

Table 3

Specimen % Increase in reflection "THE" detergent "B" detergent traditions certain 40 ° C 60 ° C 40 ° C 60 ° C 40 ° C 60 ° C EMPA 101 37.8 50.4 40.0 51.0 29.5 45.9 Krefeld 10C 46.7 52.2 28.8 43.9 33.7 49.7 EMPA 104 38.6 53.1 33.3 52.4 27.9 46.8 Krefeld 20C 55.3 59.6 37.4 54.2 31.0 49.1 EMPA 111 (blood) 77.1 78.9 31.5 49.8 77.7 80.9 EMPA 112 (cocoa) 25.1 47.8 34.9 47.6 28.3 51.4 EMPA 114 (red wine) 31.7 35.6 49.1 67.2 41.0 43.9 Krefeld 10K (Coffee) 56.2 59.9 66.9 72.3 56.6 61.4

The following composition was prepared as described above, essentially the same as Detergent A, but modified to meet the needs of large consumers.

Synperonic A3 23,828 kg / cartridge 2.4% Synperonic 87K 71.567 kg / cartridge 7.2% PEG 200 320,452 kg / cartridge 32.1% DMAO (considered 100%) 97,447 kg / cartridge 9.7% Sodium carbonate 47.958 kg / cartridge 4.8% Courlose A610 9.967 kg / cartridge 1.0% Sodium disilicate 18,954 kg / cartridge 1.9% Sodium- tripolyphosphate 366,261 kg / cartridge 36.6% Ethylene diamine acid 2,002 kg / charge 0.2% Optical brightener 2,998 kg / charge 0.3% Blue color 0.029 kg / cartridge 0.0% Silicone antifoam 0.588 kg / charge 0.1% bentonite 28,956 kg / cartridge 2.9% Titanium dioxide 2,492 kg / cartridge 0.2% fragrance 3,000 kg / charge 0.3% Protease and amylase enzyme 3,000 kg / charge 0.3% 999,500 kg / cartridge 100.0%

Example 3

Preparation and testing of detergents

Detergents having the composition listed in Table 4 containing about 50% by weight of solids were prepared. During the preparation of detergent "C", the particle size of the solids was reduced to 3 μιη by weight. During the preparation of detergent "A" and "B", the pre-ground solid components (of which the particle size was not measured) were mixed with the liquid components.

The components, together with their weight percentages, are listed in Table 4. The footnotes marked with * and ** in Table 4 are the same as in Table 2. Synprolam 35DMQ is a fatty amine oxide in which two nitrogen substituents and a long alkyl chain (a mixture of C13-C15 groups) are attached to the nitrogen atom. Manufacturer: ICI Surfactants, United Kingdom.

Table 4

component "THE" "B" "C" detergent Dequest 2016D (phosphate backbone) - - 5 Sodium citrate 32 32 32 Sodium carbonate 10 - 10 Carboxymethyl cellulose * 6 6 2 Sodium disilicate 1 1 1 Tinopal CBS-X Optical Brightener 0.2 0.2 0.2 Protease and amylase enzyme 0.3 0.3 0.3 Synperonic A3 ** 3.75 3.75 3.75 Synperonic 87K ** 11.25 11.25 11.25 PEG 200 25.5 25.5 34.5 Ethylenediaminetetraacetic acid - 3 Synprolam 3SDMQ 10 10 - Sodium perborate monohydrate - 7 -

The applicability of laundry detergents to commercial laundry detergents without Fatty Oxide was evaluated as follows:

The test washes were carried out in a Miele W451 washing machine; the washing machine was operated at 40 ° C and 60 ° C, respectively, and was using 36 ° FK (French hardness) wash water. The fabrics used for washing were EMPA and Krefeld, which were contaminated in a standard manner. 4-4 pieces of 10 ^ 10 cm of each of the soiled fabrics to be tested were placed in the washing machine and 2 kg of clean fabrics were added as a ballast. The reflectance of the washed specimens was measured at 12 sites per piece and the% increase in reflectance was calculated from the measured data for each specimen. The values obtained are shown in Table 5.

HU 214 041 Β

60-60 g of detergent A, B, or C was used for the test washes, while 180 g of the conventional detergent containing no fatty amine oxide was used under the same conditions. Given that the conventional detergent contained about 1/3 parts by weight of water, the weight ratio of the present invention to conventional detergent in pure chemical was about 1: 2.

Table 5

Test- piece % Increase in reflection "A" wash. "B" wash. "C" wash. Traditional 40 ° C 60 ° C 40 ° C 60 ° C 40 ° C 60 ° C 40 ° C 60 ° C EMPA101 34.7 30.5 32.8 32.7 24.5 22.1 19.8 18.9 Krefeld 1 0C 41.1 53.2 35.9 56.4 29.2 46 42.4 55.3 EMPA 104 46.5 42.4 46.9 42.8 18.8 19.5 17.1 17.5 Krefeld 20C 39.8 50.2 52.4 49.7 19.3 20.7 29.5 46.3 EMPA 111 67.2 67.8 23.9 54.9 78.3 76.3 74.2 73.7 EMPA 112 40.8 45.6 40.3 35.6 39.8 43.7 38.6 37.2 EMPA 114 21.7 31.2 31.3 65.0 26.4 29.3 33.2 40.3 KrefeldlOlC 49.3 53.3 52.8 65.8 51.8 53 53.2 57.1 KrefeldlASI2 36.9 36.6 43.7 44.8 49 43.8 Krefeld PC 12 46.4 43.2 50.8 51.4 44.9 42.1

As can be seen from the data in Table 5, the detergents of the present invention have been found to have a good detergent effect when compared to larger amounts of conventional detergents.

Example 4

Comparative study of the water-typing and distribution-effect branch

Detergents containing the following solids dispersed in a liquid carrier medium were formulated for the assays:

component Quantity, weight% Detergent "A" Detergent "B" Sodium tripolyphosphate 36.7 40.15 bentonite 2.9 - Sodium carbonate 4.8 5.00 Sodium silicate 1.9 2.00 Carboxymethyl cellulose 1.0 1.00 Ethylenediaminetetraacetic acid, sodium salt 0.2 0.2 Optical brightener 0.3 0.3 enzymes 0.3 0.3 Titanium dioxide 0.25 0.25 Synperonic A3 2.4 2.4 Synperonic 87K 7.2 7.5 PEG 200 32.0 40.0 Dimethyl kókuszamin- -oxide 9.8 NONE fragrance 0.25 0.8

Detergent "B" does not contain fatty amine oxide and thus does not fall within the scope of the present invention.

Water was added to each detergent in an amount of 1, 1.5, 2, 2.5 and 3% by weight, and the viscosity of the detergents was measured at 45 ° C after 45 minutes and sometimes 1 day. The results are shown in Table 6.

Table 6

Added WATER, crowd% Viscosity, poise ..A ”detergent , J3 ”detergent 45 minutes One day 45 minutes One day 0.0 48.0 46.0 Shoot 50.8 70.8 2.0 60.2 139.0 2.5 90.4 70.9 304.0 340 3.0 800,000.0 706,000.0

From the data in Table 6, it can be concluded that the detergent containing the fatty amine oxide according to the invention is more water resistant than the comparative detergent.

The dispersibility of detergent "A" and "B" in washing water was investigated in a commercially available Zanussi washing machine with a detergent tank. Detergent "B" had 2.5 times more detergent residue in the tray at the end of the wash than Detergent "A".

Claims (20)

1. Liquid detergent which - from 40% to 70% by weight of the liquid organic phase, based on the total weight of the detergent, of between 10% and 50% of the surfactant, based on the total weight of the detergent, and 30% to 60% by weight based on the total weight of the detergent of the solid phase containing the surfactant, comprising 5-100% by weight of the surfactant, with the exception of 1 mole of the amount of crystalline water present in the detergent, it also contains from 0.5 to 5 moles of water per oxide. (Priority: 12/02/1992) Detergent according to claim 1, characterized in that the liquid organic phase also contains from 5 to 55% by weight of poly (alkylene glycol) based on the total weight of the detergent. (Priority: 12/02/1992) Detergent according to claim 1 or 2, characterized in that it contains 0.5 to <2 moles of water per mole of fatty amine oxide. (Priority 12/02/1992) Detergent according to claim 3, characterized in that it contains 1.0 to 1.7 moles of water per mole of fatty amine oxide. (Priority: 12/02/1992) 5. A detergent composition according to any one of claims 1 to 5, characterized in that it contains polyalkylene glycol and fatty amine oxide in a weight ratio (0.5: 1) to (2: 1). (Priority: 12/02/1992) HU 214 041 Β 6. 8. A detergent composition according to claim 1, wherein the polyalkylene glycol comprises polyethylene glycol having a molecular weight of between 150 and 500. (Priority: 12/02/1992) 7. A detergent according to any one of claims 1 to 5, characterized in that the base material is a fused phosphate, zeolite, silicate, carbonate, hydroxycarboxylic acid having 2-6 carboxyl groups and 1-5 hydroxyl groups, a salt thereof, a polycarboxylic acid containing at least 10 carboxyl groups, contains a mixture. (Priority: 12/02/1992) 8. A detergent composition according to claim 7, wherein the condensed phosphate comprises a condensed alkali metal phosphate. (Priority: 12/02/1992) Detergent according to claim 7 or 8, characterized in that the hydroxycarboxylic acid contains citric acid or tartaric acid. (Priority: 12/02/1992) 10. A detergent composition according to any one of claims 1 to 6, characterized in that the backbone material is phosphate-free and the backbone material comprises a hydroxycarboxylic acid or a salt thereof having from 2 to 6 carboxyl groups and from 1 to 5 hydroxyl groups together with a polycarboxylic acid or salt thereof. (Priority: 24/05/1991) Detergent according to claim 10, characterized in that the hydroxycarboxylic acid is citric acid or tartaric acid. (Priority: 24/05/1991) Detergent according to Claim 10 or 11, characterized in that it contains zeolite and / or silicate as its backbone. (Priority: 24/05/1991) 13. A detergent composition according to any one of claims 1 to 3, characterized in that the fatty amine oxide comprises a compound of the formula R'N (O) R ² R ³ - wherein R ^{1 is} C 10 -C 18 alkyl and R ² and R ³ are independently C 1 -C 3 alkyl. or hydroxyalkyl. (Priority: May 24, 1991) 14. 8. A detergent composition according to any one of the preceding claims, characterized in that the solid phase is in the form of particles having a size of up to 10 µm. (Priority: 24/05/1991) 15. 8. A detergent composition according to any one of claims 1 to 3, characterized in that it also contains bleach in the solid phase. (Priority: 24/05/1991) 16. 8. A detergent composition according to any one of the preceding claims, characterized in that it also contains an enzyme in the solid or liquid phase. (Priority: May 24, 1991) 17. An organic liquid for forming non-aqueous liquid detergents comprising 20-80% by weight of a surfactant, characterized in that 5-100% by weight of the surfactant is comprised of fatty amine oxide and the liquid is 20-78.5% of the surfactant. it also contains from 0.5 to 5 moles of water per mole of fatty amine oxide. (Priority: May 24, 1991) The fluid of claim 17, wherein it contains 0.5 to <2 moles of water per mole of fatty amine oxide. (Priority: 24/05/1991) 19. The fluid of claim 18, wherein it contains from 1.0 to 1.7 moles of water per mole of fatty amine oxide. (Priority: May 24, 1991) 20. A 17-19. Liquid according to any one of claims 1 to 3, characterized in that it contains polyalkylene glycol and fatty amine oxide in a weight ratio (0.5: 1) to (2: 1). (Priority: 24/05/1991) 21. Liquid according to any one of claims 1 to 3, characterized in that the polyalkylene glycol contains polyethylene glycol having a molecular weight of between 150 and 500. (Priority: 24/05/1991) 17-21. Liquid according to any one of claims 1 to 3, characterized in that the fatty amine oxide comprises a compound of the formula R * N (O) R ² R ³ - wherein R ^{1 is} C 10 -C 18 alkyl and R ² and R ³ are independently C 1 -C 3 alkyl or hydroxyalkyl. (Priority: 24/05/1991)