EP1257628B1 - Schichtmineralhaltige agglomerate mit nichtionischen tensiden - Google Patents
Schichtmineralhaltige agglomerate mit nichtionischen tensiden Download PDFInfo
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- EP1257628B1 EP1257628B1 EP01919340A EP01919340A EP1257628B1 EP 1257628 B1 EP1257628 B1 EP 1257628B1 EP 01919340 A EP01919340 A EP 01919340A EP 01919340 A EP01919340 A EP 01919340A EP 1257628 B1 EP1257628 B1 EP 1257628B1
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- Prior art keywords
- agglomerates
- weight
- relation
- bentonite
- component
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/12—Water-insoluble compounds
- C11D3/124—Silicon containing, e.g. silica, silex, quartz or glass beads
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/74—Carboxylates or sulfonates esters of polyoxyalkylene glycols
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
- C11D17/0034—Fixed on a solid conventional detergent ingredient
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
- C11D17/0047—Detergents in the form of bars or tablets
- C11D17/0065—Solid detergents containing builders
- C11D17/0073—Tablets
- C11D17/0086—Laundry tablets
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/12—Water-insoluble compounds
- C11D3/124—Silicon containing, e.g. silica, silex, quartz or glass beads
- C11D3/1246—Silicates, e.g. diatomaceous earth
- C11D3/1253—Layer silicates, e.g. talcum, kaolin, clay, bentonite, smectite, montmorillonite, hectorite or attapulgite
- C11D3/126—Layer silicates, e.g. talcum, kaolin, clay, bentonite, smectite, montmorillonite, hectorite or attapulgite in solid compositions
Definitions
- the invention relates to layer silicate-containing agglomerates nonionic surfactants, a process for their preparation and their use as detergent additive.
- Nonionic surfactants are increasingly being used in powder detergents used. The reasons are first in their good Washing properties even at low temperatures. This is possible This is in line with the trend towards lower washing temperatures in European countries and those already used for a long time low washing temperatures in America and Asia. Farther become the washing properties of nonionic surfactants not or only slightly influenced by a high water hardness. Also have nonionic surfactants to anionic Surfactants better cleaning properties for fatty Dirt as well as for synthetic fiber fabrics on.
- nonionic surfactants Due to its liquid to waxy consistency that is Penetration of nonionic surfactants in larger quantities in powdered detergents, however, with some difficulty connected. This is how the use of nonionic surfactants leads in washing powders produced by a spraying process Be easy to gluing even during spray drying of the nozzles and to a swelling of the powder the evaporation of volatile contaminants in the nonionic surfactants.
- the nonionic surfactants usually applied to the powder only after spray drying.
- it allows the absorption capacity of not obtained from the spray-drying process, larger Apply or incorporate amounts of nonionic surfactants.
- JP 0009087699 AA describes a granular nonionic A detergent composition containing a nonionic Surfactant, a clay mineral, such as montmorillonite, an oil-absorbing Carrier, such as amorphous silica, and a silicone. It may contain further additives, such as sodium silicate as a builder organic polyacrylate salt, also as builder, an optical one Brightener, an enzyme, a bleach and an extender present be. The ingredients are kneaded and extruded and then crushed. So it does not find a simple one Agglomeration instead.
- JP 0011310791 describes a granular, nonionic Detergent composition containing a nonionic surfactant, a clay mineral and an oil-absorbing carrier. The Ingredients are mixed, kneaded, extruded and then crushed. A simple agglomeration process is not described.
- US-A-4,861,510 describes porous detergent granules, containing sodium sulfate and synthetic phyllosilicates.
- the granules are prepared by spray drying, wherein a porous granulate is formed, which acts on liquid surfactants can be.
- the liquid absorption capacity is between 2 and 50 wt .-%, preferably up to 35 wt .-%.
- the surfactant content is over 50%, and the Agglomerates are not produced by spray drying.
- Tenside contents are calculated from the examples (based on anhydrous alcohol ethoxylate) from 10 to 20.5 Wt .-%.
- the surfactant content is therefore well below 50 wt .-%.
- There the surfactant uptake capacity of zeolite A is only 26% by weight, it is not possible on the basis of zeolite as sole carrier material granules with surfactant contents of produce more than 50%. This is not possible with Carrier mixtures of bentonites and zeolites, as bentonite granules absorb only a maximum of about 40 wt .-% surfactants can.
- EP-A-0 690 123 describes a process for the preparation a powdered detergent, wherein (1) a builder (soda, Zeolite, STPP, trisodium nitrilotriacetate, citrates or Sulfates or mixtures thereof) with a nonionic surfactant (2) a barrier material (amorphous silicates / precipitated silicas) is added and (3) a further processing done with the builder to the final granules.
- the total content of surfactant is 5 to 50 wt .-%, is therefore below the upper limit of the invention. Farther the products of the invention are only in maximum made two steps.
- the inventive Agglomerates containing montmorillonite-containing phyllosilicates are only in maximum made two steps.
- the object of the invention was therefore agglomerates with a high content to provide nonionic surfactants. not are sticky, do not "bleed” and release more quickly allow the nonionic surfactants in the wash liquor. Furthermore, in the release of nonionic Surfactants often observed to reduce gel effect as possible become. The resulting gel phases have a high Viscosity, which prevents rapid dissolution of the surfactants and may cause sticking of the particles upon dissolution cause.
- inventive Agglomerates with the above composition very can absorb high levels of nonionic surfactants without that they become sticky or "bleed".
- the agglomerates according to the invention can be particularly advantageous Washing powders are admixed, the above-mentioned Gelation effect on the one hand only on the agglomerates remains limited and not the entire detergent composition recorded, and on the other hand, surprisingly low fails.
- the rapid Dissolution of agglomerate particles and rapid release ensures the non-ionic surfactants in the wash liquor, while avoiding incrustations on the laundry can be.
- montmorillonite-containing silicates such as bentonite, as well as attapulgite, hectorite and / or beidellite in particular provide advantageous results.
- natural or synthetic bentonites preferably Na bentonite
- attapulgites preferably Na bentonite
- Attapulgites preferably Na bentonite
- Attapulgites preferably Na bentonite
- Attapulgites preferably Na bentonite
- synthetic phyllosilicates are used, for example synthetic hectorite.
- a previous activation in particular an alkaline activation of the phyllosilicates, positive for the properties of the agglomerates according to the invention effect.
- a particularly preferred embodiment is for example activated bentonite, in particular soda-activated bentonite used.
- the amount of precipitated Silica in the agglomerates according to the invention adjusted that, on the one hand, they are at least 12% by weight, preferably at least 14% by weight, and in particular at least 16 wt .-%, based on the total amount of Support materials.
- the layered silicate used in the manner of a "house of cards” or scaffolding a porous structure forms for receiving the nonionic surfactant, wherein the Structure stabilized by the highly porous precipitated silica and this with the three-dimensional layer silicate structure interacts.
- the agglomerates according to the invention therefore, have a particularly high and relatively stable Porosity on. It is also believed that the precipitated silica a (partial) delamination of the layered silicate causes.
- a compaction or extrusion is likely a more parallel alignment of the layered silicate platelets, which negatively affects the porosity of the agglomerates and their surfactant receptivity affects.
- the amount of precipitated used Silica not more than 40% by weight, preferably not more than 30 Wt .-%, based on the total agglomerates.
- the agglomerates according to the invention show surprisingly with the same surfactant content as agglomerates According to the prior art, a significantly lower stickiness.
- agglomerates according to the invention are advantageously prepared in the usual sizes for detergent additives particle sizes, those skilled in the art are familiar.
- agglomerates it is possible to use all conventional precipitated silicas known to the person skilled in the art.
- starting material for the recovery of silicic acids by wet route are alkali silicate solutions, preferably soda water glass, from which amorphous silicic acid is precipitated by the addition of acid.
- the precipitated product consists of 86 to 88% SiO 2 and 10 to 12% water which is physically bound both in the molecular structure and on the surface, as well as residues of the salt formed during the reaction and small amounts of metal oxide .
- the most important precipitation parameters such as precipitation temperature, pH, electrolyte concentration and precipitation duration, it is possible to produce silicas with different surface properties.
- Silicas can be produced in the range of specific surface areas of about 25 to 700 m 2 / g.
- the silicic acid suspension obtained in the precipitation is dissolved in Filter presses transferred, wherein the solids content of the filter cake between about 15 and 20%.
- the drying takes place according to different procedures, which is common Connect grinding and visual steps.
- hydrophilic and hydrophobic silicas can be used be used, with hydrophobic silicic acids simultaneously can serve as a defoamer.
- the silicas used in the present invention preferably have an average particle diameter from about 1 to 100 microns. In most cases will be Precipitated silicas with a high specific surface area and high adsorptive capacity, by the oil number or Dibutylphthalateahl (DBP number) according to DIN 53601 characterized is preferred.
- DBP number Dibutylphthalateahl
- All agglomerates can be prepared by a person skilled in the art use common nonionic surfactants. These include, without being limited to the group of alcohol ethoxylates or fatty alcohol polyethylene glycol ethers, the alkylpolyglycosides, the fatty alcohol polyglycol ether methyl ester, fatty acid methyl ester ethoxylates, the sorbitan ester or mixtures it. Preferred are fatty alcohol polyethylene glycol ethers, Alkyl polyglycosides, fatty acid methyl ester ethoxylates and Fettalkoholpolyglycolethermethylester.
- fatty alcohol polyethylene glycol ethers Especially preferred are fatty alcohol polyethylene glycol ethers, fatty alcohol polyglycol ether methyl esters or mixtures of both.
- fatty acid methyl ester ethoxylates Using of fatty acid methyl ester ethoxylates, the inventive Dissolve agglomerates surprisingly quickly.
- fatty alcohol polyethylene glycol ethers those are preferred which are common in detergent applications, i. the Ethoxylation degrees between 1 and 12 and alkyl chain radicals having 10 to 17 carbon units. Fettalkoholpolyethylenglycolether with a few ethoxylate units preferably in mixtures with higher ethoxylated fatty alcohol polyethylene glycol ethers used.
- the individual case preferred nonionic surfactants are of the specific ones Requirements for the detergent depending and can each be determined by the skilled person by means of routine experiments.
- the agglomerates can be added in the The prior art contains known additives.
- additives known in the art are added, such as e.g. Alcohols such as ethanol or glycerol, polyethylene glycols or hydrotropes such as Na cumene sulphonate.
- polyethylene glycols In particular those are used which are low molecular weight Have masses, in particular 200 to 6000 g / mol. These are usually made prior to agglomeration with the surfactant mixed and in amounts of 0.1 to 30%, based on the Amount of surfactant used.
- the inventive Agglomerates at least 52 wt .-%, in particular at least 55% by weight, more preferably at least 58% % By weight of nonionic surfactants, based on the total agglomerate.
- the ratio of layered silicate to precipitated Silica, based on wt .-% in the inventive Agglomerates between 2: 1 and 1: 2.
- the layered silicate and the precipitated silica in about the same amounts, based on wt .-%, before.
- the agglomerates contain 10 to 15% by weight Bentonite, 5 to 15 wt .-% zeolite and 10 to 30 % By weight of precipitated silica, based on the total agglomerate.
- the agglomerates according to the invention additionally contain additives known in the art may consist of a preferred embodiment the agglomerates consist essentially of nonionic surfactant, Phyllosilicate and precipitated silica, leaving one intimate contact between these components ensured is.
- the above components make at least 85 wt .-%, in particular at least 90 wt .-%, and especially preferably 95 wt .-% of the agglomerates.
- the additional Inclusion of at least one zeolite in the agglomerates leads to particularly positive results. It is known, that it is not readily possible agglomerates by agglomeration of zeolite with nonionic surfactant too obtained because of the fineness of the zeolites only heavy agglomerates with usual particle size in more satisfactory Make yield.
- a preferred embodiment becomes intensive Mixing generates a mechanical fluidized bed.
- the known in the art intensive mixer in batch or continuous processes be used.
- Agglomeration becomes batchwise Batch mixers from Eirich, Hartheim, Loedige mixer (e.g., Loedige FKM mixer, Paderborn) or Drais (Drais Turbomix, Mannheim) in question.
- at continuous process control can typically be mixer von Loedige, Paderborn (e.g., Loedige CB mixer), Drais, Mannheim (e.g., Drais CoriMix), of Ballestra, Milan, Italy (e.g., Ballestra Cetemix) or from Schugi-Leylistad, The Netherlands (e.g., Schugi Flexomix).
- the production of the agglomerates is preferably carried out in one Intensive mixer by mixing the above-mentioned support materials with the surfactant.
- the support materials component a, b, and optionally d
- the surfactant or the Surfactant mixture which is optionally provided with other additives is, can be added in the pure state or mixed with water become. Preference is given to water contents between 0 and set about 50%. Particular preference is given to water contents between 0 and about 20%.
- the use of pure surfactants agglomeration has the advantage that the resulting Agglomerates do not need to be dried. This also applies to surfactant-water mixtures which have water contents, those of the finished washing powder or Waschpulverformlinge correspond.
- a particularly preferred embodiment takes place in a coating of the agglomerate particles to a second mixer, whereby the structure of the particles is obtained remains.
- the coating of the agglomerate particles Zeolite, bentonite, talc or titanium dioxide powder If the agglomerates according to the invention already contain zeolite are, the coating can also be omitted, if one given sufficient degree of whiteness of Agglomeratteilchen and a further reduction of stickiness is not required.
- no according to the present invention Crushing of the agglomerate particles.
- Another aspect of the present invention is concerned layered mineral agglomerates with nonionic surfactants, which are obtainable by the above method.
- the agglomerates are used as additives to detergents used. It is particularly advantageous that due to the very high content of nonionic surfactants only added quite small amounts of the detergent composition Need to become. This is also the aforementioned gel effect limited to the added agglomerates and due the composition of the agglomerates according to the invention quite low.
- the added agglomerates meet both the function of providing a sufficient salary on nonionic surfactants as well as the increase of Soft grip of the wash.
- Another aspect of the present invention relates to Detergent or a detergent additive, the or the Contains agglomerates according to the invention.
- the agglomerates are used in detergents which are in Tablet form present.
- agglomeration parameters were, if not stated otherwise, in the following each chosen so that more than 50% of the agglomerates in a particle size range from 0.2 to 1.2 mm.
- the mean particle size can be like known in the art by routine choice the manufacturing parameters are modified.
- the agglomerates were indicated, with inorganic powders such. Coated or zeolite coated.
- a first variant was the material is transferred into a plastic bag, the inorganic one Powder was added and shaken for about 2 minutes.
- the coating performed in Eirichmischer. This was after the agglomeration added the inorganic powder for coating and then the agglomerate / powder mixture again for 2 minutes mixed. The other results were comparable.
- the time was the measurement of the surface tension of the solution the agglomerates used.
- the measurement of the surface tension as a function of time the bubble pressure method was used with an online tensiometer, SITA-Online F10. to Recording of the measured curves was performed with a bubble frequency of 1 Hz worked.
- the measurements were standardized samples used of particle sizes between 0.2 and 1.2 mm. It samples of 1 g were used, distilled in 200 ml Add water and stir with a length of 1.5 cm was stirred at a frequency of 150 revolutions.
- the Surface tension can be used as a measure of this measurement Surfactant release serve. As a comparison, this was the following most widely used surfactant Genapol OA 070 in one concentration of 0.5 g / l used. Such a solution showed under the same measuring conditions a surface tension of 30-32 mN / m.
- the bulk density was in the following Examples determined by adding 100 g of the agglomerates in a 1,000 ml can filled and shaken for about 30 seconds.
- the measuring cylinder is weighed empty to 10 mg. On it is the Powder funnels with tripod and clamp over the opening of the cylinder attached. After starting the stopwatch of the Measuring cylinder within 15 seconds with the agglomerates filled. With the spatula is continuously poured filling, so that the measuring cylinder is always filled slightly overhanging is. After 2 minutes, the supernatant is removed by spatula, being careful that no pressing forces compact the material in the cylinder. The filled measuring cylinder is brushed and weighed.
- Bulk density is expressed in g / l.
- General allow the bulk densities obtained of more than 600 g / l, in particular of more than 650 g / l, also a use of the invention Agglomerates in common compact detergents.
- Example 1 Agglomerates of nonionic surfactants and mixtures of the precipitated silica Sipernat 50 and the bentonite EX0255
- the corresponding powders were placed in the Eirich mixer and agglomerated by slow addition of the surfactant.
- component a) was an alkaline activated bentonite from Süd-Chemie (EX0255), as component b) the precipitated silica Sipernat 50, available from Degussa, Frankfurt, and as component c) the nonionic surfactant Imbentin-C / 135/070 the company Kolb used.
- the pure bentonite and the pure precipitated silica were agglomerated with the nonionic surfactant. In all cases, so much surfactant was added that free-flowing agglomerates were obtained.
- the surfactant content of the agglomerates produced is listed in the following table. To increase the whiteness these can be coated with 10% Wessalith P.
- Agglomerates of nonionic surfactants and mixtures of sipernate 50 and bentonite as solid carriers Share of EX 0255 in% Amount used EX 0255 [g] Amount used Sipernat 50 [g] Addition to imbentin C135 / 070 [g]
- Surfactant content of agglomerates [%] 100 800 - 676 45, 8 98 784 16 719 47 95 760 40 746 48 90 720 80 806 50.2 88 704 96 910 53.2 85 680 120 945 54.2 75 300 100 588 59.5 66.66 300 150 697 60.8 50 200 200 761 65.5 0 (Comparison, pure Sipernat 50) - 400 1090 74
- the speed became the surfactant release by measuring the interfacial tension as a function of the stirring time on the basis of the above-described Method determined.
- Example 2 Agglomerates of nonionic surfactants and mixtures of sipernate 22 and EX 0255 as solid carriers
- Example 2 As in Example 1, when using more than about 12 wt .-% precipitated silica a disproportionate increase the Tensidability elevate. Exactly the investigation showed the surfactant release from those given in Table 2 Agglomerates comparable results as in Example 1 specified.
- Example 3 Agglomerates of mixtures of Laundrosil DGA with different precipitated silicas
- Analogous agglomerates could also be made with blends of Laundrosil DGA, a soda-activated bentonite available from Süd-Chemie AG, and other precipitated silicas. Also in these cases the agglomerates were coated with 10% Wessalith P.
- Table 3 lists the composition and bulk density of the agglomerates screened to sizes of 0.2-1.2 mm: Agglomerates of mixtures of Laundrosil DGA and various precipitated silicas and the nonionic surfactant Genapol OA 070 bentonite silica relationship surfactant Bulk weight after coating with 10% Wessalith P Laundrosil DGA Sipernat 22 1: 1 59% 650 g / l Laundrosil DGA Sipernat 22 S (Degussa) 1: 1 59% 720 g / l Laundrosil DGA Neosyl GP (Crosfield) 1: 1 58% 670 g / l
- the agglomeration was carried out with the Eirich R02E mixer discussed above carried out. 200 g of Sipernat 22 were used for this purpose with 200 g Laundrosil DGA presented in the Eirich mixer and after intense Mixing, the powder was agglomerated with Genapol OA 070. This agglomerates containing 59% Genapol OA 070 received. These can be optional with 10% Wessalith P (zeolite) are coated by the appropriate Amount of zeolite is added to the agglomerates and the Mixture is mixed again.
- the process can be optimized in this way be that maximum 20% of agglomerates greater than 2 mm and a maximum of 20% of the agglomerates are less than 0.5 mm.
- the comminution required before addition to a washing powder could not after pressing on the extruder be carried out because the knives stuck and the plant had to be cleaned in very short intervals.
- the few obtained granules also showed a slower surfactant release as the agglomerates produced according to the invention on.
- the method according to the invention is thus much more efficient, cheaper and comes with much less machine use than when extruding or compacting the case is, especially in the latter manufacturing processes in general, a subsequent comminution the extruded or compacted products required is.
- Example 5 Investigation of the storage stability at 40 ° C over 3 days
- Example 2 A sample of Example 2 with a carrier material based on Sipernat 22 and EX0255 in the ratio 1: 1, which to increase Whiteness grade has been coated with 10% Wessalith P. was a 3-day storage test at 40 ° C in a drying oven subjected to the Heraeus brand. After the camp test a sieve analysis was performed in 0.2 mm increments. To the The comparison became part of the corresponding agglomerates of Sieben analysis subjected without storing at 40 ° C. Like in shown below, the agglomerates are under such storage conditions stable. A clumping could not be proved since the sieve analyzes are stored at room temperature and the samples stored at 40 ° C within the Measuring error and small deviations caused by the sampling is identical.
- Example 6 Agglomerates with a fatty acid methyl ester ethoxylate
- Example 7 Agglomerates with other bentonites or other layer minerals / Influence of the degree of activation of the bentonite
- Example 8 Agglomerates using hectorite instead of bentonite
- Agglomerates were prepared as described in Example 1, instead of bentonite EX0255 the hectorite Optigel SH, available from Süd-Chemie AG has been. Again, it was found that from a content of about 12 wt .-% precipitated silica a disproportionate increase the surfactant uptake was observed. It could at a ratio of hectorite: precipitated silica logo CNRS logo INIST 1: 1, a surfactant content of 58% can be achieved.
- Example 9 Agglomerates of nonionic surfactants and mixtures of zeolite, bentonite and precipitated silica
- Example 7 by replacing a portion of the precipitated silica by zeolite the maximum content of nonionic Surfactant is reduced only slightly (by 2%), although the pure zeolite (Wessalith P) only a Tensidabilitysort has about 30%.
- the zeolite can be used here Precipitated silicic acid functional in the stabilized "house of cards structure" replace the agglomerates according to the invention.
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Description
jeweils bezogen auf die Gesamtmenge an Trägermaterialien,
jeweils bezogen auf die Gesamtmenge an Trägermaterialien,
ohne Kompaktierung oder Extrusion intensiv vermischt und agglomeriert werden.
Agglomerate aus nichtionischen Tensiden und Mischungen aus Sipernat 50 und Bentonit als festen Trägern | ||||
Anteil an EX 0255 in % | Eingesetzte Menge EX 0255 [g] | Eingesetzte Menge Sipernat 50 [g] | Zugabe an Imbentin C135/070 [g] | Tensidgehalt der Agglomerate [%] |
100 | 800 | - | 676 | 45, 8 |
98 | 784 | 16 | 719 | 47 |
95 | 760 | 40 | 746 | 48 |
90 | 720 | 80 | 806 | 50,2 |
88 | 704 | 96 | 910 | 53,2 |
85 | 680 | 120 | 945 | 54,2 |
75 | 300 | 100 | 588 | 59,5 |
66,66 | 300 | 150 | 697 | 60,8 |
50 | 200 | 200 | 761 | 65,5 |
0 (Vergleich, reines Sipernat 50) | - | 400 | 1090 | 74 |
Agglomerate aus Mischungen von EX 0255 und Sipernat 22 mit dem nichtionischen Tensid Genapol OA 070 | ||||
Anteil an EX 0255 in % | Eingesetzte Menge EX 0255 [g] | Eingesetzte Menge Sipernat 22 [g] | Zugabe an Genapol OA 070 [g] | Tensidgehalt der Agglomerate [%] |
100 | 800 | - | 645 | 44,6 |
98 | 784 | 16 | 655 | 45 |
95 | 760 | 40 | 677 | 46 |
90 | 720 | 80 | 730 | 48 |
88 | 704 | 96 | 878 | 52,3 |
85 | 680 | 120 | 910 | 53,2 |
75 | 450 | 150 | 750 | 55,5 |
66,66 | 400 | 200 | 823 | 58 |
50 | 250 | 250 | 780 | 61 |
0 (Vergleich, reines Sipernat 22) | - | s.o. | 62 |
Agglomerate aus Mischungen von Laundrosil DGA und unterschiedlichen Fällungskieselsäuren sowie dem nichtionischen Tensid Genapol OA 070 | ||||
Bentonit | Kieselsäure | Verhältnis | Tensidgehalt | Schüttgewicht nach Beschichtung mit 10% Wessalith P |
Laundrosil DGA | Sipernat 22 | 1:1 | 59% | 650 g/l |
Laundrosil DGA | Sipernat 22 S (Degussa) | 1:1 | 59% | 720 g/l |
Laundrosil DGA | Neosyl GP (Crosfield) | 1:1 | 58% | 670 g/l |
Agglomerate mit ternären Trägermischungen aus Schichtsilikat, gefällter Kieselsäure und Zeolith | ||||
Schichtmineral-Komponente | Zeolith-Komponente | Kieselsäure-Komponente | Verhältnis der einzelnen Komponenten | Tensidgehalt der Agglomerate [%] |
Laundrosil DGA | Wessalith P (Degussa) | Sipernat 22 | 1:1:2 | 57 |
Laundrosil DGA | Wessalith P (Degussa) | Sipernat 22 | 2:1:2 | 53,3 |
Claims (20)
- Schichtsilicathaltige Agglomerate mit nichtionischen Tensiden als Waschmittelzusatz, enthaltenda) mindestens ein natürliches oder synthetisches Schichtsilicat, ausgewählt aus der Gruppe der montmorillonithaltigen Tone, insbesondere Bentonit, sowie Attapulgit, Hectorit und/oder Beidellit in einer Menge von mehr als 10 Gew.-% (Komponente a),b) mindestens eine gefällte Kieselsäure, in einer Menge von mindestens 12 Gew.-% (Komponente b), jeweils bezogen auf die Gesamtmenge an Trägermaterialien,c) mindestens ein nichtionisches Tensid, in einer Menge von > 50 Gew.-% (Komponente c) bezogen auf das gesamte Agglomerat, wobei bei der Herstellung des Agglomerats keine Kompaktierung oder Extrusion erfolgt.
- Agglomerate nach Anspruch 1, dadurch gekennzeichnet, dass diese mindestens 52 Gew.-%, insbesondere mindestens 55 Gew.-% an nichtionischem Tensid enthalten.
- Agglomerate nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass diese bis zu 75 Gew.-%, und insbesondere bis zu 80 Gew.-%, an nichtionischem Tensid enthalten.
- Agglomerate nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass diese einen Gehalt von mindestens 15 Gew.-%, insbesondere mindestens 20 Gew.-% gefällter Kieselsäure, bezogen auf die Gesamtmenge an Trägermaterialien, aufweisen.
- Agglomerate nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das Verhältnis von Schichtsilicat zu gefällter Kieselsäure, bezogen auf Gewichtsprozente, zwischen 1:20 und 20:1, vorzugsweise zwischen 2:1 und 1:2, insbesondere bei etwa 1:1 liegt.
- Agglomerate nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die Komponenten a) bis c) mindestens 85 Gew.-%, vorzugsweise mindestens 90 Gew.-%, und besonders bevorzugt mindestens 95 Gew.-% der Agglomerate ausmachen.
- Agglomerate nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass zusätzlich mindestens ein Zeolith (Komponente d) vorzugsweise in einer Menge zwischen 0,5 und 60 Gew.-%, insbesondere zwischen 5 und 30 Gew.-% bezogen auf die Trägermaterialien enthalten ist.
- Agglomerate nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass 10 bis 15 Gew.-% Bentonit, 5 bis 15 Gew.-% Zeolith und 10 bis 30 Gew.-% gefällte Kieselsäure, bezogen auf das Gesamtagglomerat enthalten sind.
- Agglomerate nach Anspruch 6 oder 7, dadurch gekennzeichnet, dass die Komponenten a) bis d) mindestens 85 Gew.-%, vorzugsweise mindestens 90 Gew.-%, und besonders bevorzugt mindestens 95 Gew.-% der Agglomerate ausmachen.
- Verfahren zur Herstellung schichtsilicathaltiger Agglomerate mit nichtionischem Tensid, wobeia) mindestens ein natürliches oder synthetisches Schichtsililicat, ausgewählt aus der Gruppe der montmorillonithaltigen Tone, insbesondere Bentonit, sowie Attapulgit, Hectorit und/oder Beidellit, in einer Menge von mehr als 10 Gew.-% (Komponente a);b) mindestens eine gefällte Kieselsäure, in einer Menge von mindestens 12 Gew.-% (Komponente b); jeweils bezogen auf die Gesamtmenge an Trägermaterialien,c) mindestens ein nichtionisches Tensid, in einer Menge von > 50 Gew.-% (Komponente c), bezogen auf das gesamte Agglomerat;d) gegebenenfalls mindestens ein Zeolith, vorzugsweise in einer Menge von 0,5 Gew.-% bis 60 Gew.-%, bezogen auf die Gesamtmenge an Trägermaterialien, ohne Kompaktierung oder Extrusion intensiv vermischt und agglomeriert werden.
- Verfahren nach Anspruch 10, dadurch gekennzeichnet, dass mehr als 60%, insbesondere mehr als 80% der Teilchen einen Teilchendurchmesser zwischen 0,1 und 3 mm, insbesondere zwischen 0,2 und 2 mm, besonders bevorzugt zwischen 0,4 und 1,4 mm aufweisen.
- Verfahren nach Anspruch 10 oder 11, dadurch gekennzeichnet, dass die intensive Vermischung und Agglomeration in einer mechanisch erzeugten Wirbelschicht erfolgt.
- Verfahren nach einem der Ansprüche 10 bis 12, dadurch gekennzeichnet, dass es sich bei der Vorrichtung zur intensiven Vermischung um einen kontinuierlich oder diskontinuierlich betriebenen Intensivmischer handelt.
- Verfahren nach einem der Ansprüche 10 bis 13, dadurch gekennzeichnet, dass in einem zweiten Mischer eine Beschichtung (Coating) der Aggomeratteilchen erfolgt, wobei die Teilchen erhalten bleiben.
- Verfahren nach einem der Ansprüche 10 bis 14, dadurch gekennzeichnet, dass zur Beschichtung Zeolith, Bentonit, Talk oder Titandioxidpulver verwendet werden.
- Schichtmineralhaltige Agglomerate mit nichtionischen Tensiden, erhältlich nach dem Verfahren gemäß einem der Ansprüche 10 bis 15.
- Verwendung der schichtmineralhaltigen Agglomerate mit nichtionischen Tensiden gemäß einem der Ansprüche 1 bis 9 in einem Waschmittel.
- Verwendung gemäß Anspruch 17, wobei die schichtmineralhaltigen Agglomerate in einer Menge von 0,5 bis 60 Gew.-%, insbesondere 1 bis 40 Gew.-%, und besonders bevorzugt 5 bis 25 Gew.-%, in dem Waschmittel verwendet werden.
- Verwendung gemäß einem der Ansprüche 17 und 18, gekennzeichnet dadurch, dass das Waschmittel in Tablettenform vorliegt.
- Waschmittel bzw. Waschmittelzusatz, enthaltend die Agglomerate gemäß einem der Ansprüche 1 bis 9.
Priority Applications (1)
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DK01919340T DK1257628T3 (da) | 2000-02-25 | 2001-02-23 | Lagmineralholdige agglomerater med ikke-ioniske tensider |
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DE10008815 | 2000-02-25 | ||
DE10008815A DE10008815A1 (de) | 2000-02-25 | 2000-02-25 | Schichtmineralhaltige Agglomerate mit nichtionischen Tensiden |
PCT/EP2001/002116 WO2001062883A1 (de) | 2000-02-25 | 2001-02-23 | Schichtmineralhaltige agglomerate mit nichtionischen tensiden |
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EP1257628A1 EP1257628A1 (de) | 2002-11-20 |
EP1257628B1 true EP1257628B1 (de) | 2005-01-26 |
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EP01919340A Expired - Lifetime EP1257628B1 (de) | 2000-02-25 | 2001-02-23 | Schichtmineralhaltige agglomerate mit nichtionischen tensiden |
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EP (1) | EP1257628B1 (de) |
AT (1) | ATE287942T1 (de) |
AU (1) | AU2001246473A1 (de) |
DE (2) | DE10008815A1 (de) |
ES (1) | ES2232608T3 (de) |
WO (1) | WO2001062883A1 (de) |
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DE10344938A1 (de) * | 2003-09-27 | 2005-04-21 | Clariant Gmbh | Tensid-Compounds enthaltend Fettalkoholalkoxylate |
ZA200606521B (en) * | 2004-02-06 | 2008-02-27 | Unilever Plc | Improved detergent composition |
RU2756808C2 (ru) * | 2018-09-24 | 2021-10-05 | Валерий Алексеевич Арабинский | Применение отходов добычи и/или обогащения неметаллических полезных ископаемых, содержащих слоистые силикаты, в качестве компонентов моющего средства |
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Publication number | Priority date | Publication date | Assignee | Title |
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DE3702111A1 (de) * | 1987-01-24 | 1988-08-04 | Henkel Kgaa | Poroeses schichtsilikat/natriumsulfat-agglomerat |
DE3835918A1 (de) * | 1988-10-21 | 1990-04-26 | Henkel Kgaa | Verfahren zur herstellung von tensidhaltigen granulaten |
EP0627484A1 (de) * | 1993-06-02 | 1994-12-07 | The Procter & Gamble Company | Mit feinkörnigem Material zu beschichtende Tonagglomerate |
JPH07286197A (ja) * | 1994-04-15 | 1995-10-31 | Lion Corp | 粒状非イオン洗剤組成物の製造方法 |
US5496486A (en) * | 1994-06-30 | 1996-03-05 | Amway Corporation | Process for increasing liquid surfactant loading in free flowing powder detergents |
AUPN535095A0 (en) * | 1995-09-12 | 1995-10-05 | Procter & Gamble Company, The | Compositions comprising hydrophilic silica particulates |
JPH0987696A (ja) * | 1995-09-27 | 1997-03-31 | Lion Corp | 錠剤型ノニオン洗剤組成物 |
DE19718664A1 (de) * | 1997-05-02 | 1998-11-05 | Clariant Gmbh | Verfahren zur Herstellung von lagerstabilen schmutzablösevermögende Polymere (Soil Release Polymere, SRP) enthaltende Granulate und ihre Verwendung zur Herstellung fester Wasch- und Reinigungsmittel |
JPH11302686A (ja) * | 1998-04-17 | 1999-11-02 | Lion Corp | 粒状ノニオン洗剤組成物及びその製造方法 |
-
2000
- 2000-02-25 DE DE10008815A patent/DE10008815A1/de not_active Withdrawn
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2001
- 2001-02-23 ES ES01919340T patent/ES2232608T3/es not_active Expired - Lifetime
- 2001-02-23 AU AU2001246473A patent/AU2001246473A1/en not_active Abandoned
- 2001-02-23 AT AT01919340T patent/ATE287942T1/de not_active IP Right Cessation
- 2001-02-23 DE DE50105195T patent/DE50105195D1/de not_active Expired - Lifetime
- 2001-02-23 WO PCT/EP2001/002116 patent/WO2001062883A1/de active IP Right Grant
- 2001-02-23 EP EP01919340A patent/EP1257628B1/de not_active Expired - Lifetime
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Publication number | Publication date |
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WO2001062883A1 (de) | 2001-08-30 |
AU2001246473A1 (en) | 2001-09-03 |
DE50105195D1 (de) | 2005-03-03 |
ATE287942T1 (de) | 2005-02-15 |
DE10008815A1 (de) | 2001-08-30 |
ES2232608T3 (es) | 2005-06-01 |
EP1257628A1 (de) | 2002-11-20 |
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