EP1871669B1 - Procede pour produire des preparations liquides contenant des solides - Google Patents

Procede pour produire des preparations liquides contenant des solides Download PDF

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Publication number
EP1871669B1
EP1871669B1 EP06707516A EP06707516A EP1871669B1 EP 1871669 B1 EP1871669 B1 EP 1871669B1 EP 06707516 A EP06707516 A EP 06707516A EP 06707516 A EP06707516 A EP 06707516A EP 1871669 B1 EP1871669 B1 EP 1871669B1
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EP
European Patent Office
Prior art keywords
solids
liquid
preferred
advantageous manner
agents
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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EP06707516A
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German (de)
English (en)
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EP1871669A1 (fr
Inventor
Bernhard Orlich
Bernd Richter
Alexander Lambotte
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Henkel AG and Co KGaA
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Henkel AG and Co KGaA
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Application filed by Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Priority to PL06707516T priority Critical patent/PL1871669T3/pl
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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
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0008—Detergent materials or soaps characterised by their shape or physical properties aqueous liquid non soap compositions
    • C11D17/0013—Liquid compositions with insoluble particles in suspension
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/50—Mixing liquids with solids
    • B01F23/51—Methods thereof

Definitions

  • the invention relates to a method for producing liquid preparations with a solids content, in which the addition of at least part of the solids takes place only when filling a liquid preparation.
  • liquid preparations Many products used in daily life are liquid preparations. So these are e.g. in the field of detergents and cleaners, liquid or fabric softeners, in the field of food preparations, e.g. finished salad dressings or liquid tomato products such as ketchup, in the field of pharmaceutical preparations e.g. Lotions or tinctures, on the cosmetic sector e.g. Hair shampoos or aftershave, in the field of engineering, e.g. liquid adhesives and paints or paints. This list could be continued arbitrarily.
  • liquid detergents for example, it is possible to implement small colored particles which float in the liquid detergent and do not sink, so that no sediment forms and the particles also do not float or cream. These particles may also contain certain active ingredients which allow the product to have improved efficacy. In such a case, the particles would carry a message to the consumer, such as "new and improved formulation". The consumer could directly recognize the particles as functional units and immediately identify the associated added value.
  • sensitive substances can be incorporated into the liquid matrix via the particles, for example. These sensitive substances are then protected and incompatibilities of ingredients can be avoided. So are off WO2005 / 026302 A1 liquid detergents known to be dosed in the production of the end of the production so-called minor components.
  • hair shampoos incorporate microcapsules which remain in the hair during the hair wash and only by the onset of hair drying temperature increase its content, e.g. nourishing oils, give it to the hair. This is how a consumer-friendly hair care can be realized.
  • flavor carriers in microencapsulated form can be introduced into liquid food preparations, which are released only during cooking or during the chewing process, etc.
  • Liquid preparations with a solids content thus enable "smarter" products with increased optical attractiveness and open up new formulation possibilities.
  • the solids to be added will not survive the production line unscathed.
  • the solids are often unusually fragile, as the release of active substances contained in the solids in the later application should be safe and easy, for example by stimuli such as a slight increase in temperature or slight mechanical influences.
  • the solids are also exposed to such light stimuli in the existing production lines.
  • the integrity of a good part of the solids is damaged. This is very regrettable in several ways.
  • the solids are preferably straight given those active ingredients which are incompatible with the remainder of the formulation.
  • the object of the present invention was therefore to overcome such problems.
  • the liquid preparation is advantageously already considered ready to use before the addition of the solid.
  • a further advantage of the method according to the invention is that it leads to liquid preparations in which the solids are very homogeneously distributed.
  • the mixing takes place namely, well before, and in these cases, then in the piping systems often comes to segregation phenomena.
  • liquid preparations liquid preparations in the broadest sense, ie liquids with a very thin consistency up to liquids with pronounced doughy, tough or even mushy consistency, such as honey, ketchup, mustard or mayonnaise, to show only a few illustrative examples.
  • a liquid preparation in the context of this invention is also a slurry, ie a preferably aqueous slurry of solids.
  • Liquid preparations in the context of this invention are also gels, creams, pastes, sludges and slimes, etc. In the broadest sense, such preparations are liquid preparations in the sense of this invention, which per se do not flow at room temperature, but are spreadable.
  • solids are substances which preferably have both a substantially defined volume and preferably a substantially defined shape and which preferably resist the change (deformation, crushing, etc.) of their volume and / or their shape. This resistance may be smaller with respect to softer solids, or greater, which affects harder solids. If a change in shape occurs under external constraint, the solids may try to return to their original state.
  • solids are also preferably dispersions or precipitates which may be present in liquids or as a moist material.
  • a typical solid in the sense of this invention is for example a capsule or a so-called speckle. On capsules and speckles will be discussed in more detail below.
  • other substances such as especially solvents, water, fragrances, enzymes, combustible substances, easily inflammable substances can be added to the liquid preparation in the addition of solids. This corresponds to a preferred embodiment.
  • the addition of the solids "when filled into a packing unit” means that the solids are added to the liquid preparation during the filling process of the packing unit. This may mean that solid and liquid preparation are filled together in the packing unit, for example in 2 streams, i. a stream of liquid preparation and a stream of solids.
  • Solid and liquid preparations can be added in the sense of a preferred embodiment, but for example also in a stream, i. liquid preparation and solids are combined immediately prior to entry into the packing unit and arrive in a stream in the packing unit. The latter can be realized, for example, by injecting the solids into a liquid jet (jet of liquid preparation) via a nozzle, thereby combining solid and liquid preparation.
  • otherwise ready to use liquid preparation means that in a particular preferred embodiment, the liquid preparation to be incorporated in the solids is preferably ready for use so that it could readily be filled into packages such as bottles or tubes and then possibly from
  • otherwise ready-to-use liquid preparation in the sense of a preferred embodiment also covers the scenario that this liquid preparation is not included until it has been used
  • a simplified example of this would be, for example, a thickened aqueous preparation which is free of active substances in its own right, and to which active substances are added only with the addition of the solid Thickened aqueous preparation, which is free of active ingredients per se prior to the addition of solids, constitutes an "otherwise ready-to-use liquid preparation" in the sense of a preferred embodiment of this invention.
  • the "at least part of the solids" must be added shortly before or during the filling process means that it is not absolutely necessary to add the entire amount of solids contained in the liquid preparation only before or during the filling process. It is e.g. Within the meaning of a preferred embodiment, it is possible for a particular type of solids to be previously supplied to the liquid preparation. It is e.g. in the sense of a preferred embodiment, it is also possible for a single type of solids to be added in portions, in which case at least one portion having to be added only before the filling process. However, it is particularly preferred if the entire proportion of solids is added only before or during the filling process. This corresponds to a preferred embodiment of the invention.
  • the “filling” of the preparation means the filling of individual packaging units (e.g., bottles, canisters, pouches, etc.) with the liquid preparation.
  • the latter can be used directly by the consumer.
  • Packing units can also be containers, this is also, albeit less, preferred.
  • the "filling" of the preparation is preferably carried out by weight and / or volume.
  • the "filling" of the preparation can also be done via optical filling height control.
  • the optical level control can be performed by humans, for example by a technical employee filling a packing unit and interrupting the supply of the liquid preparation into the tank as soon as the tank is almost full.
  • the optical level control can also be carried out semi-automatically or fully automatically, for example by means of optical sensors, electronic Coolntician etc.
  • the addition of at least a portion of the solids takes place only when the other components of the composition have already undergone a mixing process.
  • they have already undergone all the steps required for mixing or mixing, except for the essentially last step of mixing with the solids.
  • the mixing of the otherwise ready-to-use liquid preparation with the solids to be added is advantageously carried out under mild conditions.
  • gentle conditions are in particular those which are advantageously not associated with greater temperature loads and / or preferably not with greater mechanical loads.
  • the mixing takes place at temperatures below 70 ° C, advantageously less than 60 ° C, more preferably less than 50 ° C, even more advantageously less than 40 ° C, even more advantageously less than 30 ° C, especially at room temperature.
  • the specific Performance be used for the mixing device less than 5 kW / m 3, preferably less than 4 kW / m 3, advantageously less than 3 kW / m 3, more advantageously less than 2 kW / m 3, in a further advantageous manner less than 1 kW / m 3 , more preferably less than 0.8 kW / m 3 , very advantageously less than 0.6 kW / m 3 , most advantageously 0.4 kW / m 3 , in particular less than 0.2 kW / m 3 .
  • the solids to be added can advantageously be added continuously or discontinuously. It is e.g. possible that the solids to be added are added to the liquid preparation by means of a carrier liquid, preferably in suspended form. This corresponds to a preferred embodiment of the invention.
  • the solids are added directly into the liquid preparation, preferably by trickling or pouring. This also corresponds to a preferred embodiment of the invention.
  • the following pumps are particularly suitable for transporting the solid-containing liquid preparations: Maso-sine pump, Rotan gear pump (a gear), peristaltic pump with min. DN30.
  • the following pumps are less suitable for transporting the solid-containing liquid preparations, in particular unsuitable, since they can contribute unfavorably to a comminution of solids: gear pump (double gear), centrifugal pump.
  • the method according to the invention is, as far as the nature of the liquid preparation is concerned, not subject to any restriction.
  • the liquid preparation is a detergent and cleaning agent.
  • the liquid detergents also include in particular the fabric softeners, as well as textile treatment agents of all kinds.
  • the solids content of the liquid preparation also depends on what purpose the preparation and in particular the solids contained therein are intended to serve. In this respect, it may be advantageous to incorporate very large amounts of solids in the liquid preparation. It may also be advantageous to incorporate only moderate amounts of solids or just very small amounts of solids. Very small amounts of solids are useful, for example, if the active substance to be incorporated with the solid is, for example, very expensive or very effective.
  • the agent contains a maximum of 80% by weight of solids, in a considerably advantageous manner at most 70% by weight of solids, more preferably a maximum of 60% by weight of solids, more preferably a maximum of 50% by weight.
  • Solids in a further advantageous manner a maximum of 40% by weight of solids, very advantageously not more than 30% by weight solids, in a particularly advantageous manner not more than 25% by weight solids, most preferably not more than 20% by weight
  • Solid in a substantially advantageous manner, a maximum of 15 wt .-% solids, in a very advantageous manner, a maximum of 10 wt .-% solids, in a very advantageous manner, a maximum of 8 wt .-% solids, most preferably a maximum of 5 wt .-% solids , in most advantageously a maximum of 4 wt .-% solids, in exceptionally advantageous manner, a maximum of 3 wt .-% solids, in an exceptionally advantageous manner, a maximum of 2 wt. % Solids, in an extremely advantageous manner at most 1% by weight solids, in particular not more than 0.07% by weight solids, most preferably not more than 0.05% by weight solids.
  • the agent contains at least 0.005% by weight of solids, in a considerably advantageous manner at least 0.01% by weight of solids, more preferably at least 0.03% by weight of solids, more preferably at least zero , 05 wt .-% solids, more preferably at least 1 wt .-% solids, very advantageously at least 1.5 wt .-% solids, in a particularly advantageous manner at least 2 wt .-% solids, in very particular advantageously at least 2.5% by weight of solids, in a significantly advantageous manner at least 3% by weight of solids, in a significantly advantageous manner at least 4% by weight of solids, in an extremely advantageous manner at least 5% by weight of solids most advantageously at least 8 wt .-% solids, in an extremely advantageous manner, at least 10 wt .-% solids, in an exceptionally advantageous manner, at least 15 wt .-% solids, in lecturlusli
  • at least 20 wt .-% solids Preferably at
  • the agent contains solids in amounts of advantageously 0.01-80 wt .-%, in a considerably advantageous manner in amounts of 0.02-70 wt .-%, more preferably in amounts of 0.05-60 wt. -%, in a further advantageous manner in amounts of 0.1-50 wt .-%, even more advantageously in amounts of 0.5-40 wt .-%, very advantageously in amounts of 1-30 wt.
  • the benefit associated with incorporating the solids into the liquid preparation also includes visual aspects which can provide the product with improved aesthetics and thus are beneficial to the overall attractiveness of the product.
  • a liquid detergent containing solids in solids that are not spatially stable would need to be shaken by the consumer before use (i.e., prior to dosing) to achieve good dispersion of the active ingredients in the liquid detergent. Otherwise, he runs the risk that either too little or too much of the active substances contained in the solids are metered. If, on the other hand, the solids, for example in a liquid detergent, are spatially stable with a uniform spatial distribution, the consumer can, without further precautions, immediately dose them.
  • the nature of the solids to be added is essentially not fundamentally limited. It depends essentially on what and in what form should be introduced into the liquid preparation, as well as the way in which the solid body should interact during use.
  • a different condition is attached to a scouring milk, in which the solids contained, for example, abrasive components, than, for example, a salad dressing containing, for example, microencapsulated flavors.
  • the abrasive components must withstand relatively high mechanical loads, in the other case, the microencapsulated flavors must be released, for example, during the chewing process.
  • the solids contained have a high stability, preferably mechanical stability, and likewise it is preferred according to another advantageous embodiment if they have low stability, preferably mechanical stability, or else that stability , preferably mechanical stability, lies between these extremes.
  • the stability may relate to all physical and / or chemical and / or biological loads.
  • a physical load is, for example, a mechanical stimulus, such as pressure or friction, or else a temperature change, etc.
  • a chemical load is, for example, a pH change, an ionic strength change, a change in the lipophilicity or hydrophilicity of the surrounding medium, etc.
  • biological stress results, for example, from a microorganism exposure, ie Microorganisms are allowed to act on the moldings or the like. The same applies to any other biological factors.
  • Solid bodies which are sensitive to mechanical stresses, are therefore extremely useful for many liquid preparations, because in this way it is ensured that the solids lose their integrity almost quantitatively during use, thereby releasing preferably active substances contained, and thus fulfilling their purpose.
  • the present inventive method brings in this respect an extraordinary improvement. So far, it was only possible to incorporate solids which are at least mechanically stable so that they survive the passage through a normal production plant relatively unscathed. However, this has caused great problems in the application. For example, it has been observed in many cases that solids do not "dissolve” even during the actual application. A clear example is machine-based textile laundering. In some cases it has been observed, for example, that instead of "dissolving", the solids have been deposited intact on the textile. This was disadvantageous in two ways. First, the valuable active substances preferably contained in the solids were not released during the washing process and therefore could not exert their effect, and second, the solids on the textile rightly perceived as impurities. It can even be contaminated the washing machine.
  • the present invention makes it possible to use even those solids which are particularly sensitive to stresses, in particular mechanical stresses, and are in particular exceptionally shear-sensitive.
  • these exceptionally sensitive solids can now be incorporated into the liquid preparations without problems and preferably intact with the aid of the novel process. This ensures that the solids in question can in any case be "dissolved" during the actual application or lose their integrity.
  • the preparation is supplied to the bottling under conditions of low shear. This corresponds to a preferred embodiment.
  • the flow behavior of the liquid preparation after addition of the solids in the piping systems to be flown thereafter is essentially associated with Reynolds numbers up to 10000, but preferably less than 2300, advantageously less than 2000, in particular less than 1500. This corresponds to a preferred embodiment.
  • ⁇ friction coefficient
  • ⁇ P pressure loss in the pipe
  • d diameter of the pipe
  • I length of the pipe
  • ⁇ density of the liquid
  • u velocity
  • ⁇ 64 / Re.
  • ⁇ 0.3164 / (Re 0.25 ).
  • ⁇ 0.0054 + 0.396 / Re 0.3 .
  • ⁇ is inversely proportional to Re in laminar flow, whereas in the turbulent range, there is little dependence.
  • Pressure losses in the piping system not only occur in the pipe, but also in other components such as elbows, knees, flange, valves, taps, slides, diaphragms, etc.
  • ⁇ coefficient of individual resistance
  • ⁇ P pressure loss in the component
  • u velocity
  • ⁇ density of the liquid.
  • Coefficients of the individual resistances for various components can be taken from the literature, e.g. from: K.F. Pavlov, P.C. Romankow, A.A: Noskow: Examples and Exercises in Chemical Engineering, VEB Deutscher Verlag für Grundstoffindustrie, 1979. Coefficients of individual resistances are generally between 0 (e.g., tube expansions) and 20 (e.g., valves), depending on the component.
  • the coefficients of the individual resistances of the components for the pipeline system after addition of the solids are in each case per individual resistance in the range 0 to 20, preferably a total value of 10, advantageously of 7, more advantageously of 5, in a further advantageous manner of 4, in still further advantageous manner of 3, in particular of 2 is not exceeded.
  • the liquid preparation which can be prepared according to the method according to the invention is subject to the nature of the liquid contained substantially no restriction. It can therefore be composed of most arbitrary liquids or solvents, etc.
  • a particularly preferred liquid in this context is the water.
  • Water has the advantages that it is clear, odorless and tasteless, colorless, available inexpensively in large quantities, easy to handle and enjoyable and ecologically harmless.
  • Preferred liquid preparations are therefore aqueous agents. This corresponds to a preferred embodiment.
  • an aqueous agent is preferably present if it contains at least 0.01% by weight of water.
  • the composition contains at least 1% by weight of water, in a considerably advantageous manner at least 5% by weight of water, more preferably at least 10% by weight of water, more preferably at least 15% by weight.
  • Water more preferably at least 20 wt .-% water, in a very advantageous manner at least 25 wt .-% water, in a particularly advantageous manner at least 30 wt .-% water, in a particularly advantageous manner at least 35 wt .-% Water, in a substantially advantageous manner, at least 40 wt .-% water, in a very advantageous manner, at least 45 wt .-% water, in an extremely advantageous manner at least 50 wt .-% water, most preferably at least 55 wt .-% water in an exceedingly advantageous manner at least 60% by weight of water, in an exceptionally advantageous manner at least 65% by weight of water, in an exceptionally advantageous manner at least 70% by weight of water, in extremely advantageous proportions at least 75% by weight of water, in particular at
  • a certain upper limit of water is not exceeded. If the agent at most 95 wt .-% water, in a considerably advantageous manner at most 90 wt .-% water, more preferably at most 85 wt .-% water, more preferably at most 80 wt .-% water, in even more advantageous A maximum of 75 wt .-% water, in a very advantageous manner, a maximum of 70 wt .-% water, in a particularly advantageous manner, a maximum of 65 wt .-% water, in a particularly advantageous manner, a maximum of 60 wt .-% water, in a considerably advantageous manner a maximum of 55 wt .-% water, in a very advantageous manner, a maximum of 50 wt .-% water, in an extremely advantageous manner, a maximum of 45 wt .-% water, most preferably a maximum of 40 wt .-% water, in a very advantageous
  • the agent is anhydrous, thus containing less than 10 wt .-%, preferably less than 5 wt .-%, more preferably less than 3 wt .-%, more preferably less than 1 wt .-% water in particular, it is entirely anhydrous.
  • composition advantageously contains water in amounts of 5-95% by weight, in significantly advantageous amounts of 10-90% by weight, more preferably in amounts of 15-85% by weight, more advantageously In amounts of from 20 to 80% by weight, more preferably in amounts of from 25 to 75% by weight, very advantageously in amounts of from 30 to 70% by weight, most preferably in amounts of 35-65 wt .-%, in a particularly advantageous manner in amounts of 40-60 wt .-%, in particular in amounts of 45-55 wt .-%, so is a preferred embodiment of the invention.
  • the solids may have a diameter along their largest dimension of preferably 0.01 to 20,000 ⁇ m, which corresponds to a preferred embodiment.
  • the solids are smaller than 20,000 ⁇ m.
  • the solid has a diameter along its maximum extent of a maximum of 10,000 microns, in a considerably advantageous manner, a maximum of 9000 microns, more preferably a maximum of 8000 microns, in a further advantageous maximum 7000 microns, in a further advantageous manner, a maximum of 6000 microns, in very advantageous Way maximum 5000 microns, in a particularly advantageous manner, a maximum of 4000 microns, in a particularly advantageous manner, a maximum of 3000 microns, in a considerably advantageous manner, a maximum of 2000 microns, in a very advantageous manner, a maximum of 1000 microns, in a very advantageous manner, a maximum of 500 microns, in highly advantageous A maximum of 400 microns, in a very advantageous manner a maximum of 300 microns, in exceptionally advantageous maximum 200 microns, in an exceptionally advantageous maximum 100 .mu.m, in an extremely advantageous manner at most 50 .mu.m, in particular at most 10 .mu.m, most preferably 1 .m
  • the solids may also be desirable for certain applications advantageously if the solids have a certain minimum size. Therefore, if the solid has a diameter along its largest dimension of at least 0.1 ⁇ m, in considerably more advantageous Way at least 1 micron, more preferably at least 10 microns, more preferably at least 100 microns, even more advantageously at least 200 microns, in a very advantageous manner at least 400 .mu.m, in a particularly advantageous manner at least 600 .mu.m, in a particularly advantageous manner at least 800 .mu.m, in a significantly advantageous manner at least 1000 .mu.m, in a very advantageous manner at least 2000 .mu.m, in an extremely advantageous manner at least 3000 .mu.m, most preferably at least 4000 .mu.m, most preferably at least 5000 .mu.m, in an exceptionally advantageous manner at least 6000 microns, in an exceptionally advantageous manner at least 7000 microns, in an extremely advantageous manner at least 8000 microns, especially at
  • the solid body has a diameter along its greatest extent, which is contained in certain length ranges.
  • the agent advantageously contains solid particles with a diameter along its largest dimension of 1-10000 ⁇ m, in a considerably advantageous manner in quantities of 10-9000 ⁇ m, more advantageously in quantities of 100-8000 ⁇ m, in an advantageous manner in quantities of 200-7000 microns, in a further advantageous manner in amounts of 300-6000 microns, in a very advantageous manner in amounts of 400-5000 microns, in a particularly advantageous manner in amounts of 500-4000 microns, in a particularly advantageous manner in amounts of 600-3000 microns, especially in amounts of 700-2000 microns, so is a preferred embodiment of the invention.
  • the solids contained in the liquid preparation have a substantially spherical or spherical shape.
  • a stable preparation of the solids in the liquid preparation is preferably a precise density adjustment of solids advantageous, for example via hollow microspheres, see below), to prevent later floating and / or lowering of the capsules in the detergent even safer.
  • the solids contained in the liquid preparation have a narrow particle size spectrum, which is the case in particular when the particle size distribution of the solid is such that the ratio of d 50 to d 90 of the solids substantially at least 0.5, preferably at least 0.6, advantageously at least 0.75, more preferably at least 0.8 and in particular at least 0.9, wherein d 50 represents the median value.
  • the median value is defined as the particle size below and above which 50% of the particle quantity is located.
  • 90% of the particle amount is below the value, ie 10% higher.
  • the ratio d 50 / d 90 approaches the value of 1 at very narrow particle size distributions, or is well below 0.5 for broad distributions.
  • the solids essentially have an average form factor of at least 0.77, preferably of at least 0.79, advantageously of at least 0.83, in particular of at least 0.87.
  • the shape factor in the sense of the present invention can be precisely determined by modern particle-measuring techniques with digital image processing.
  • a typical particle shape analysis as can be carried out, for example, with the Camsizer® system from Retsch Technology or also with the KeSizer® from Kemira, it is based on the fact that the particles or solids are irradiated with a light source and the particles are detected as projection surfaces, digitized and processed by computer technology.
  • the determination of the surface curvature is made by an optical measuring method, in which the "shadow cast" of the parts to be examined is determined and converted into a corresponding form factor.
  • the underlying principle for determining the form factor was Gordon Rittenhouse in "A visual method of estimating two-dimensional sphericity" in the Journal of Sedimentary Petrology, Vol. 13, No. 2, pp. 79-81 described.
  • the numerical values for d 50 and d 90 are also available via the aforementioned measuring method.
  • the solids may also be agglomerates or granules.
  • the solids may also be granules, e.g. like the grains of sand or rice grains.
  • the solids could also be shreds or have film structure.
  • Capsules are in the broadest sense all those structures in which solid, semi-solid or liquid substances are surrounded by cladding layers.
  • the cladding layers can be composed of all possible substances, for example containing gelatin, wax, (co) polymers or wafer material.
  • the production of capsules is known to the person skilled in the art or it can be found in the relevant specialist literature.
  • a capsule may have multiple cladding layers.
  • microencapsulation is the term for the encapsulation preferably finely dispersed liquid or solid phases by coating with film-forming (co) polymers, which are reflected, for example, after emulsification and coacervation or interfacial polymerization on the material to be enveloped.
  • the microscopic capsules can be dried like powder. In this way, for example, gasoline, water, alcohol, pharmaceuticals, solvents, vitamins, enzymes, liquid crystals, food flavorings, perfumes and many other substances can be converted into a dry matter that can not dry out and. if necessary, the contents become free (liquid) again by thermal, mechanical, chemical or enzymatic action.
  • microcapsule is therefore preferably understood to mean aggregates which contain at least one solid, semi-solid or liquid core which is enclosed by at least one preferably continuous shell, in particular a shell of polymer (s). These are usually finely dispersed liquid or solid phases coated with film-forming polymers, during the production of which the polymers precipitate on the material to be enveloped after emulsification and coacervation or interfacial polymerization.
  • the microscopic capsules can be dried like powder.
  • multinuclear aggregates also called microspheres, are known, which contain two or more cores distributed in the continuous shell material.
  • Mono- or polynuclear microcapsules can also be enclosed by an additional second, third, etc., sheath.
  • the shell may be made of natural, semi-synthetic or synthetic materials.
  • shell materials are, for example, gum arabic, agar agar, agarose, maltodextrins, alginic acid or its salts, e.g. Sodium or calcium alginate, fats and fatty acids, cetyl alcohol, collagen, chitosan, lecithins, gelatin, albumin, shellac, polysaccharides such as starch or dextran, sucrose and waxes.
  • Semisynthetic shell materials include chemically modified celluloses, especially cellulose esters and ethers, e.g. Cellulose acetate, ethylcellulose, hydroxypropylcellulose, hydroxypropylmethylcellulose and carboxymethylcellulose, as well as starch derivatives, in particular starch ethers and esters.
  • Synthetic envelope materials are, for example, polymers such as polyacrylates, polyamides, polyvinyl alcohol or polyvinylpyrrolidone.
  • active ingredients for example, optical brighteners, surfactants, complexing agents, bleaching agents, bleach activators, dyes and fragrances, antioxidants, builders, enzymes, enzyme stabilizers, antimicrobial agents, cationic surfactants, vitamins, proteins, preservatives, detergency booster or pearlescers, grayness inhibitors, Anti-redeposition agents, pH adjusters, electrolytes, foam inhibitors and UV absorbers are to demonstrate a few illustrative examples, which are particularly relevant in the context of detergents and cleaners.
  • the fillings of the solids may preferably be solids or liquids in the form of solutions or emulsions or suspensions.
  • microcapsules are accessible by methods known in the art, with coacervation and interfacial polymerization being the most important.
  • all surfactant-stable microcapsules available on the market can be used, for example the commercial products (the shell material is indicated in parentheses) Hallcrest microcapsules (gelatin, gum arabic), Coletica thalaspheres (marine collagen), Lipotec millicapsules (alginic acid, agar-agar) , Also unispheres (lactose, microcrystalline cellulose, hydroxypropyl methylcellulose ); Unicerin C30 (lactose, microcrystalline cellulose, hydroxypropyl methylcellulose ), Kobo Glycospheres (modified starch, fatty acid esters, phospholipids), Softspheres (modified Agar Agar) and Kuhs Probiol Nanospheres (phospholipids).
  • particles which have no core-shell structure but in which the active substance is distributed in a matrix of a matrix-forming material. Such particles are also referred to as "speckles”.
  • a preferred matrix-forming material is alginate.
  • an aqueous alginate solution which preferably also contains the entrapped active substance or entrapped active ingredients, is dripped and then 3+ ions cured precipitation bath containing ions in a Ca 2+ or Al.
  • the precipitation bath contains a Ca 2+ concentration of at least 0.15 mol / l.
  • the alginate-based speckles are subsequently washed with water and then washed in an aqueous solution with a complexing agent to free Ca 2+ ions or free Al 3+ ions, which undesirable interactions with ingredients of the liquid preparation can go out, wash out. Subsequently, the alginate-based speckles are washed again with water to remove excess complexing agent.
  • matrix-forming materials can be used instead of alginate.
  • matrix-forming materials include polyethylene glycol, polyvinylpyrrolidone, polymethacrylate, polylysine, poloxamer, polyvinyl alcohol, polyacrylic acid, polyethylene oxide, polyethoxyoxazoline, albumin, gelatin, acacia, chitosan, cellulose, dextran, ficoll®, starch, hydroxyethylcellulose, hydroxypropylcellulose, hydroxypropylmethylcellulose, hyaluronic acid, Carboxymethylcellulose, carboxymethylcellulose, deacetylated chitosan, dextran sulfate and derivatives of these materials.
  • the matrix formation in these materials takes place for example via gelation, polyanion-polycation interactions or polyelectrolyte-metal ion interactions and is well known in the art as well as the production of particles with these matrix-forming materials.
  • the solids may preferably be stably dispersed in the liquid preparations.
  • Stable means that the compositions are stable at room temperature and at 40 ° C for a period of at least 4 weeks, and preferably at least 6 weeks, without the medium creaming or sedimenting.
  • An important advantage of the present invention in this combination is that extraordinarily stable preparations can be provided by the process according to the invention.
  • the preparations are in particular so stable because the solids can be incorporated in the preparation according to the invention substantially intact in the preparation. Such essentially intact solids are, of course, much more stable than those which suffered damage to shape and integrity even during production of the preparation. It follows that the entire preparation is even more stable, especially in terms of storage and transport.
  • the release of the active substances from the solids is usually carried out during the application of the agents containing them by destruction of the shell or the matrix, preferably due to mechanical, thermal, chemical or enzymatic action.
  • the solids additionally contain at least one hollow microsphere.
  • Hollow microspheres have a diameter of preferably 2 to 500 ⁇ m, in particular 5 to 20 ⁇ m, and a specific gravity of less than preferably 1 g ⁇ cm -3 .
  • the density of the solids can be adjusted to the density of the surrounding preparation, thereby preventing undesirable settling or floating (creaming) of the capsules.
  • the hollow microspheres are round and smooth.
  • the hollow microspheres may be made of inorganic material such as water glass, aluminum silicate, borosilicate glass soda lime glass or a ceramic or of organic polymers such as homo- or copolymers of styrene, acrylonitrile and vinylidene chloride.
  • Suitable hollow microspheres are commercially available, for example, under the names Fillite® (ex Trelleborg Fillite), Expancel® (ex Akzo Nobel), Scotchlite® (ex 3M), Dualite® (es Sovereign Specialty Chemicals), Sphericel® (ex Potters Industries), Zeeospheres ® (ex 3M), Q-Cel® (ex PQ Corporation) or Extendospheres® (ex PQ Corporation). Further suitable hollow microspheres are available under the product name E-Spheres from OMEGA MINERALS. E-spheres are white, hollow ceramic microspheres, which are offered in different particle sizes, grain size distributions, bulk densities and bulk volumes. Many of the hollow microspheres mentioned are chemically inert and are dispersed in the wash liquor after destruction of the capsule and then removed with it.
  • the viscosity of the preparation falls below certain values.
  • the viscosity of the liquid preparation can be measured by conventional standard methods (for example Brookfield LVT-II viscosimeter at 20 rpm and 20 ° C., spindle 3).
  • the viscosity of the preparation has a maximum value of 20,000 mPas, in a considerably advantageous manner at most 15,000 mPas, more preferably not more than 10,000 mPas, more preferably not more than 9,000 mPas, even more preferably not more than 8,000 mPas, most preferably not more than 7,000 mPas, in a particularly advantageous manner, a maximum of 6000 mPas, in a particularly advantageous manner, a maximum of 5000 mPas, in a significantly advantageous manner, a maximum of 4000 mPas, in a very advantageous manner, a maximum of 3000 mPas, in an extremely advantageous manner a maximum of 2000 mPas, in particular a maximum of 1000 mPas , so is a preferred embodiment.
  • the viscosity of the preparation exceeds certain values. If the viscosity therefore has a value of at least 0.1 mPas, in a considerably advantageous manner at least 1 mPas, more preferably at least 10 mPas, more preferably at least 100 mPas, even more advantageously at least 200 mPas, very advantageously at least 300 mPas, in a particularly advantageous manner at least 400 mPas, in a particularly advantageous manner at least 500 mPas, in a considerably advantageous manner at least 600 mPas, in a remarkably advantageous manner at least 700 mPas, in an extremely advantageous manner at least 800 mPas, most advantageously at least 900 mPas, in an extremely advantageous manner at least 1000 mPas, in an exceptionally advantageous manner at least 1200 mPas, in an exceptionally advantageous manner at least 1400 mPas, in an extremely advantageous manner
  • the preparation has a viscosity which lies in certain ranges. If the preparation advantageously has a viscosity of 10-10000 mPas, advantageously in amounts of 200-9000 mPas, more preferably in quantities of 300-8000 mPas, more preferably in quantities of 400-7000 mPas, in even more advantageously in amounts of 500-6000 mPas, very advantageously in amounts of 1000-5000 mPas, in a particularly advantageous manner in quantities of 1500-4500 mPas, in a particularly advantageous manner in quantities of 1800-4200 mPas, in particular in amounts of 2000-4000 mPas, so is a preferred embodiment of the invention.
  • the preparation according to the invention also contains thickening agents.
  • Thickening agents are preferably organic, high molecular weight substances which preferably absorb liquids (usually water), thereby advantageously swelling (swelling) and finally (except for the inorganic thickening agents.) Preferably pass into viscous true or colloidal solutions.
  • Thickeners are preferably used to increase the viscosity of liquids and to improve the thixotropic properties of gels. Therefore, thickening agents play a role in the manufacture of many technical, cosmetic, pharmaceutical or dietary preparations and foods (all of which are within the scope of the invention), e.g. of creams, cleansers, finishes, inks, paint dispersions, adhesives, puddings, slimming agents (the organic thickeners are preferably edible, but often have no nutritional value).
  • Associative thickeners differ, for example, from the abovementioned modified natural substances and the organic, fully synthetic thickeners in that, in addition to water-solubilizing hydrophilic groups, they preferably also contain hydrophobic terminal or side groups in the molecule.
  • associative thickeners advantageously have a surfactant character and are preferably capable of forming micelles.
  • Particularly preferred associative thickeners are a) hydrophobically modified Polyacrylates which preferably contain incorporated in a anionic acrylate thickener molecule by copolymerization nonionic hydrophilic and hydrophobic groups; b) hydrophobically modified cellulose ethers, preferably prepared by reaction of hydroxyethyl cellulose during the etherification or subsequently with long-chain Alkylepoxiden or.
  • hydrophobically modified polyacrylamides preferably prepared by copolymerization of acrylamide with alkyl-modified acrylamide and optionally acrylic acid
  • hydrophobically modified polyethers e) associative polyurethane thickeners, preferably consisting of urethane group-linked hydrophilic, relatively high molecular weight polyether segments, advantageously capped with at least two terminal, hydrophobic molecule groups.
  • the thickener may thus, for example, a polyacrylate thickener, xanthan gum, gellan gum, guar gum, alginate, carrageenan, carboxymethyl cellulose, bentonites, Wellan gum, locust bean gum, agar-agar, tragacanth, gum arabic, pectins, polyoses, starch, dextrins, gelatin and Casein include.
  • polyacrylic and polymethacrylic thickeners include the high molecular weight homopolymers of acrylic acid crosslinked with a polyalkenyl polyether, in particular an allyl ether of sucrose, pentaerythritol or propylene (INCI name according to the International Dictionary of Cosmetic Ingredients of The Cosmetic, Toiletry and Fragrance Association (CTFA) ": carbomer), also referred to as carboxyvinyl polymers.
  • CFA Cosmetic, Toiletry and Fragrance Association
  • Such polyacrylic acids are available, inter alia, from 3V Sigma under the trade name Polygel®, for example Polygel DA, and from BF Goodrich under the trade name Carbopol®, for example Carbopol 940 (molecular weight about 4,000,000), Carbopol 941 (molecular weight about 250,000) or Carbopol 934 (molecular weight about 3,000,000).
  • acrylic acid copolymers are included: (i) Copolymers of two or more monomers from the group of acrylic acid, methacrylic acid and their simple, preferably with C 1-4 alkanols formed ester (INCI acrylates copolymer), to which the copolymers of methacrylic acid, butyl acrylate and methyl methacrylate (CAS designation according to Chemical Abstracts Service: 25035-69-2) or butyl acrylate and methyl methacrylate (CAS 25852-37-3) and the example of the company.
  • xanthan gum a microbial anionic heteropolysaccharide produced by Xanthomonas campestris and some other species under aerobic conditions and having a molecular weight of from 2 to 15 million daltons.
  • Xanthan is formed from a chain of ⁇ -1,4-linked glucose (cellulose) with side chains.
  • the structure of the subgroups consists of glucose, mannose, glucuronic acid, acetate and pyruvate, the number of pyruvate units determining the viscosity of the xanthan gum.
  • preparations to be prepared according to the invention contain, depending on the purpose they are intended to serve, correspondingly suitable ingredients which are familiar to the respective person skilled in the art or are accessible from the relevant technical literature.
  • Preparations for the purposes of this invention are those from the field of detergents and cleaners, including fabric softeners and textile treatment agents in the broadest sense.
  • the liquid detergents and cleaners to be produced according to the invention contain surfactant (s), wherein anionic, nonionic, cationic and / or amphoteric surfactants can be used. From an application point of view, preference is given to mixtures of anionic and nonionic surfactants.
  • the total surfactant content of a preferred liquid detergent and cleaning agent is preferably below 40 wt .-% and particularly preferably below 35 wt .-%, based on the total liquid detergent and cleaning agent.
  • the nonionic surfactants used are preferably alkoxylated, advantageously ethoxylated, in particular primary, alcohols having preferably 8 to 18 carbon atoms and on average 1 to 12 moles of ethylene oxide (EO) per mole of alcohol, in which the alcohol radical can be linear or preferably methyl-branched in the 2-position or linear and methyl-branched radicals in the mixture can contain, as they are usually present in Oxoalkoholresten.
  • alcohol ethoxylates with linear radicals of alcohols of native origin having 12 to 18 carbon atoms, for example of coconut, palm, tallow or oleyl alcohol, and on average 2 to 8 EO per mole of alcohol are preferred.
  • the preferred ethoxylated alcohols include, for example, C 12-14 alcohols with 3 EO, 4 EO or 7 EO, C 9-11 alcohols with 7 EO, C 13-15 alcohols with 3 EO, 5 EO, 7 EO or 8 EO, C 12-18 alcohols with 3 EO, 5 EO or 7 EO and mixtures of these, such as mixtures of C 12-14 -alcohol with 3 EO and C 12-18 -alcohol with 7 EO.
  • the specified degrees of ethoxylation represent statistical averages that can be a whole or a fractional number for a particular product.
  • Preferred alcohol ethoxylates have a narrow homolog distribution (narrow range ethoxylates, NRE).
  • fatty alcohols with more than 12 EO can also be used. Examples include tallow fatty alcohol with 14 EO, 25 EO, 30 EO or 40 EO.
  • Nonionic surfactants containing EO and PO groups together in the molecule can also be used according to the invention.
  • block copolymers with EO-PO block units or PO-EO block units can be used, but also EO-PO-EO copolymers or PO-EO-PO copolymers.
  • nonionic surfactants and alkyl glycosides of the general formula RO (G) x can be used in which R is a primary straight-chain or methyl-branched, especially in the 2-position methyl-branched aliphatic radical having 8 to 22, preferably 12 to 18 carbon atoms and G is the symbol which represents a glycose unit having 5 or 6 C atoms, preferably glucose.
  • the degree of oligomerization x which indicates the distribution of monoglycosides and oligoglycosides, is any number between 1 and 10; preferably x is 1.2 to 1.4.
  • nonionic surfactants used either as the sole nonionic surfactant or in combination with other nonionic surfactants are alkoxylated, preferably ethoxylated or ethoxylated and propoxylated fatty acid alkyl esters, preferably having from 1 to 4 carbon atoms in the alkyl chain, especially fatty acid methyl esters, as they are
  • alkoxylated preferably ethoxylated or ethoxylated and propoxylated fatty acid alkyl esters, preferably having from 1 to 4 carbon atoms in the alkyl chain, especially fatty acid methyl esters, as they are
  • JP 58/217598 are described or preferably according to the in the international patent application WO 90/13533 be prepared described methods.
  • Nonionic surfactants of the amine oxide type for example N-cocoalkyl-N, N-dimethylamine oxide and N-tallowalkyl-N, N-dihydroxyethylamine oxide, and the fatty acid alkanolamides may also be suitable.
  • the amount of these nonionic surfactants is preferably not more than that of the ethoxylated fatty alcohols, especially not more than half thereof.
  • polyhydroxy fatty acid amides of the formula (1) in the RCO for an aliphatic acyl radical having 6 to 22 carbon atoms, R 1 is hydrogen, an alkyl or hydroxyalkyl radical having 1 to 4 carbon atoms and [Z] for a linear or branched polyhydroxyalkyl having 3 to 10 carbon atoms and 3 to 10 hydroxyl groups.
  • the polyhydroxy fatty acid amides are known substances which can usually be obtained by reductive amination of a reducing sugar with ammonia, an alkylamine or an alkanolamine and subsequent acylation with a fatty acid, a fatty acid alkyl ester or a fatty acid chloride.
  • the group of polyhydroxy fatty acid amides also includes compounds of the formula (2) in the R is a linear or branched alkyl or alkenyl radical having 7 to 12 carbon atoms, R 1 is a linear, branched or cyclic alkyl radical or an aryl radical having 2 to 8 carbon atoms and R 2 is a linear, branched or cyclic alkyl radical or an aryl radical or an oxyalkyl radical having 1 to 8 carbon atoms, with C 1-4 alkyl or phenyl radicals being preferred and [Z] being a linear polyhydroxyalkyl radical whose alkyl chain is substituted by at least two hydroxyl groups, or alkoxylated, preferably ethoxylated or propoxylated Derivatives of this residue.
  • [Z] is preferably obtained by reductive amination of a sugar, for example glucose, fructose, maltose, lactose, galactose, mannose or xylose.
  • a sugar for example glucose, fructose, maltose, lactose, galactose, mannose or xylose.
  • the N-alkoxy- or N-aryloxy-substituted compounds can then be used, for example, according to the teaching of the international application WO-A-95/07331 be converted by conversion with fatty acid methyl esters in the presence of an alkoxide as catalyst into the desired Polyhydroxyfettklaamide.
  • the content of nonionic surfactants of a preferred liquid detergents and cleaners is preferably 5 to 30 wt .-%, preferably 7 to 20 wt .-% and in particular 9 to 15 wt .-%, each based on the total agent.
  • anionic surfactants for example, those of the sulfonate type and sulfates are used.
  • surfactants of the sulfonate type preferably come C 9-13 alkylbenzene sulfonates, olefin sulfonates, ie mixtures of alkene and hydroxyalkanesulfonates and disulfonates, as they are, for example, from C 12-18 monoolefins with terminal or internal double bond by sulfonation with gaseous sulfur trioxide and subsequent alkaline or acid hydrolysis of the sulfonation obtained.
  • alkanesulfonates which are obtained from C 12-18 alkanes, for example by sulfochlorination or sulfoxidation with subsequent hydrolysis or neutralization.
  • esters of ⁇ -sulfo fatty acids for example the ⁇ -sulfonated methyl esters of hydrogenated coconut, palm kernel or tallow fatty acids.
  • sulfated fatty acid glycerol esters are to be understood as meaning the mono-, di- and triesters and mixtures thereof, as obtained in the preparation by esterification of a monoglycerol with 1 to 3 moles of fatty acid or in the transesterification of triglycerides with 0.3 to 2 moles of glycerol.
  • Preferred sulfated fatty acid glycerol esters are the sulfonation products of saturated fatty acids having 6 to 22 carbon atoms, for example caproic acid, caprylic acid, capric acid, myristic acid, lauric acid, palmitic acid, stearic acid or behenic acid.
  • Alk (en) ylsulfates are the alkali metal salts and in particular the sodium salts of the sulfuric monoesters of C 12 -C 18 fatty alcohols, for example coconut fatty alcohol, tallow fatty alcohol, lauryl, myristyl, cetyl or stearyl alcohol or the C 10 -C 20 oxo alcohols and those half-esters of secondary alcohols of these chain lengths are preferred. Also preferred are alk (en) ylsulfates of said chain length, which contain a synthetic, produced on a petrochemical basis straight-chain alkyl radical, which have an analogous degradation behavior as the adequate compounds based on oleochemical raw materials.
  • C 12 -C 16 alkyl sulfates and C 12 -C 15 alkyl sulfates and C 14 -C 15 alkyl sulfates are preferred.
  • 2,3-alkyl sulfates which, for example, according to the U.S. Patents 3,234,258 or 5,075,041 are manufactured and can be obtained as commercial products from Shell Oil Company under the name DAN ®, are suitable anionic surfactants.
  • EO ethylene oxide
  • Fatty alcohols with 1 to 4 EO are suitable. Due to their high foaming behavior, they are preferably used in detergents only in relatively small amounts, for example in amounts of from 1 to 5% by weight.
  • Suitable anionic surfactants are also the salts of alkylsulfosuccinic acid, which are also referred to as sulfosuccinates or sulfosuccinic esters and which are monoesters and / or diesters of sulfosuccinic acid with alcohols, preferably fatty alcohols and in particular ethoxylated fatty alcohols.
  • alcohols preferably fatty alcohols and in particular ethoxylated fatty alcohols.
  • Preferred sulfosuccinates contain C 8-18 fatty alcohol residues or mixtures of these.
  • Particularly preferred sulfosuccinates contain a fatty alcohol residue derived from ethoxylated fatty alcohols, which in themselves constitute nonionic surfactants (see description below).
  • Sulfosuccinates whose fatty alcohol residues are derived from ethoxylated fatty alcohols with a narrow homolog distribution, are again particularly preferred.
  • alk (en) ylsuccinic acid having preferably 8 to 18 carbon atoms in the alk (en) yl chain or salts thereof.
  • Particularly preferred anionic surfactants are soaps.
  • Suitable are saturated and unsaturated fatty acid soaps, such as the salts of lauric acid, myristic acid, palmitic acid, stearic acid, (hydrogenated) erucic acid and behenic acid and, in particular, soap mixtures derived from natural fatty acids, for example coconut, palm kernel, olive oil or tallow fatty acids.
  • the anionic surfactants may be in the form of their sodium, potassium or ammonium salts and as soluble salts of organic bases, such as mono-, di- or triethanolamine.
  • the anionic surfactants are preferably present in the form of their sodium or potassium salts, in particular in the form of the sodium salts.
  • the content of preferred liquid detergents and cleaners to anionic surfactants is 2 to 30 wt .-%, preferably 4 to 25 wt .-% and in particular 5 to 22 wt .-%, each based on the total agent.
  • preferred liquid detergents and cleaners may contain further ingredients which further improve the performance and / or aesthetic properties of the liquid detergent and cleaning agent.
  • preferred agents furthermore comprise one or more substances from the group of builders, bleaches, bleach activators, enzymes, electrolytes, nonaqueous solvents, pH adjusters, fragrances, perfume carriers, fluorescers, dyes, hydrotopes, foam inhibitors, silicone oils, antiredeposition agents , optical brighteners, grayness inhibitors, anti-shrinkage agents, anti-crease agents, color transfer inhibitors, antimicrobial agents, germicides, fungicides, antioxidants, corrosion inhibitors, antistatic agents, ironing auxiliaries, repellents and impregnating agents, swelling and anti-slip agents and UV absorbers.
  • Suitable builders which may be present in the liquid detergents and cleaners are in particular silicates, aluminum silicates (in particular zeolites), carbonates, salts of organic di- and polycarboxylic acids and mixtures of these substances.
  • Suitable crystalline layered sodium silicates have the general formula NaMSi x O 2x + 1 H 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 and preferred values for x 2 , 3 or 4 are.
  • Such crystalline sheet silicates are described, for example, in the European patent application EP-A-0 164 514 described.
  • Preferred crystalline layered silicates of the formula given are those in which M is sodium and x assumes the values 2 or 3.
  • both ⁇ - and ⁇ -sodium disilicates Na 2 Si 2 O 5 ⁇ yH 2 O are preferred, wherein ⁇ -sodium disilicate can be obtained, for example, by the process described in International Patent Application WO-A-91/08171 is described.
  • the dissolution delay compared to conventional amorphous sodium silicates may have been caused in various ways, for example by surface treatment, compounding, compaction nerdichtung or by overdrying.
  • 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 which have a width of several degrees of diffraction angle. However, it may well even lead to particularly good builder properties if the silicate particles provide blurred or even sharp diffraction maxima in electron diffraction experiments. This is to be interpreted as meaning that the products have microcrystalline regions of size 10 to a few hundred nm, with values of up to a maximum of 50 nm and in particular up to a maximum of 20 nm being preferred.
  • Such so-called X-ray amorphous silicates which likewise have a dissolution delay compared to the conventional water glasses, are described, for example, in the German patent application DE-A-44 00 024 described.
  • Particularly preferred are compacted / compacted amorphous silicates, compounded amorphous silicates and overdried X-ray amorphous silicates.
  • the finely crystalline, synthetic and bound water-containing zeolite used is preferably zeolite A and / or P.
  • zeolite P zeolite MAP® (commercial product from Crosfield) is particularly preferred.
  • zeolite X and mixtures of A, X and / or P are particularly preferred.
  • the zeolite can be used as a spray-dried powder or else as undried, still moist, stabilized suspension of its preparation.
  • the zeolite may contain minor additions of nonionic surfactants as stabilizers, for example 1 to 3 wt .-%, based on zeolite, of ethoxylated C 12 -C 18 fatty alcohols having 2 to 5 ethylene oxide groups , C 12 -C 14 fatty alcohols having 4 to 5 ethylene oxide groups or ethoxylated isotridecanols.
  • Suitable zeolites have an average particle size of less than 10 ⁇ m (volume distribution, measuring method: Coulter Counter) and preferably contain 18 to 22% by weight, in particular 20 to 22% by weight, of bound water.
  • phosphates as builders are possible, unless such use should not be avoided for environmental reasons.
  • sodium perborate tetrahydrate and sodium perborate monohydrate are of particular importance.
  • Other useful bleaching agents are, for example, sodium percarbonate, peroxypyrophosphates, citrate perhydrates and H 2 O 2 -producing peracidic salts or peracids, such as perbenzoates, peroxophthalates, diperazelaic acid, phthaloiminoperacid or diperdodecanedioic acid.
  • bleach activators can be incorporated into the detergents and cleaners to be produced according to the invention.
  • bleach activators it is possible to use compounds which, under perhydrolysis conditions, give aliphatic peroxycarboxylic acids having preferably 1 to 10 C atoms, in particular 2 to 4 C atoms, and / or optionally substituted perbenzoic acid.
  • Suitable substances are those which carry O- and / or N-acyl groups of the stated C atom number and / or optionally substituted benzoyl groups.
  • polyacylated alkylenediamines in particular tetraacetylethylenediamine (TAED), acylated triazine derivatives, in particular 1,5-diacetyl-2,4-dioxohexahydro-1,3,5-triazine (DADHT), acylated glycolurils, in particular tetraacetylglycoluril (TAGU), N- Acylimides, in particular N-nonanoylsuccinimide (NOSI), acylated phenolsulfonates, in particular n-nonanoyl or isononanoyloxybenzenesulfonate (n- or iso-NOBS), carboxylic anhydrides, in particular phthalic anhydride, acylated polyhydric alcohols, in particular triacetin, ethylene glycol diacetate and 2,5-diacetoxy- 2,5-dihydrofuran.
  • TAED tetraacet
  • bleach catalysts can also be incorporated into the liquid detergents and cleaners.
  • These substances are bleach-enhancing transition metal salts or transition metal complexes such as Mn, Fe, Co, Ru or Mo-salen complexes or carbonyl complexes.
  • Mn, Fe, Co, Ru, Mo, Ti, V and Cu complexes with nitrogen-containing tripod ligands and Co, Fe, Cu and Ru ammine complexes can also be used as bleach catalysts.
  • the liquid washing and cleaning agent to be produced according to the invention preferably contains at least one thickener.
  • Preferred liquid detergents and cleaners may contain enzymes in encapsulated form and / or directly in the detergent composition.
  • Suitable enzymes include in particular those from the classes of hydrolases such as proteases, esterases, lipases or lipolytic enzymes, amylases, cellulases or other glycosyl hydrolases and mixtures the enzymes mentioned in question. All of these hydrolases in the wash contribute to the removal of stains such as proteinaceous, greasy or starchy stains and graying.
  • cellulases and other glycosyl hydrolases may contribute to color retention and to enhancing the softness of the fabric by removing pilling and microfibrils. Oxireductases can also be used for bleaching or inhibiting color transfer.
  • Bacillus subtilis Bacillus licheniformis, Streptomyceus griseus and Humicola insolens derived enzymatic agents.
  • Bacillus subtilis Bacillus subtilis
  • Bacillus licheniformis Bacillus licheniformis
  • Streptomyceus griseus and Humicola insolens derived enzymatic agents.
  • subtilisin-type proteases and in particular proteases derived from Bacillus lentus are used.
  • enzyme mixtures for example from protease and amylase or protease and lipase or lipolytic enzymes or protease and cellulase or from cellulase and lipase or lipolytic enzymes or from protease, amylase and lipase or lipolytic enzymes or protease, lipase or lipolytic enzymes and cellulase, but in particular protease and / or lipase-containing mixtures or mixtures with lipolytic enzymes of particular interest.
  • lipolytic enzymes are the known cutinases. Peroxidases or oxidases have also proved suitable in some cases.
  • Suitable amylases include in particular ⁇ -amylases, iso-amylases, pullulanases and pectinases.
  • As cellulases are preferably cellobiohydrolases, endoglucanases and ⁇ -glucosidases, which are also called cellobiases, or mixtures thereof used. Since different cellulase types differ by their CMCase and avicelase activities, the desired activities can be set by targeted mixtures of the cellulases.
  • the enzymes may be adsorbed to carriers to protect against premature degradation.
  • the proportion of enzymes, enzyme mixtures or enzyme granules directly in the detergent composition can be, for example, about 0.1 to 5% by weight, preferably 0.12 to about 2.5% by weight.
  • electrolytes from the group of inorganic salts a wide number of different salts can be used.
  • Preferred cations are the alkali and alkaline earth metals, preferred anions are the halides and sulfates. From a manufacturing point of view, the use of NaCl or MgCl 2 in the compositions is preferred.
  • the proportion of electrolytes in the agents is preferably 0.5 to 5 wt .-%.
  • Non-aqueous solvents which can be used in the liquid preparations to be prepared according to the invention and in particular in detergents and cleaners are derived, for example, from the group of monohydric or polyhydric alcohols, alkanolamines or glycol ethers, provided they are miscible with water in the concentration range indicated.
  • the solvents are selected from ethanol, n- or i-propanol, butanols, glycol, propane or Butanediol, glycerol, diglycol, propyl or butyldiglycol, hexylene glycol, ethylene glycol methyl ether, ethylene glycol ethyl ether, ethylene glycol propyl ether, ethylene glycol mono-n-butyl ether, diethylene glycol methyl ether, diethylene glycol ethyl ether, propylene glycol methyl, ethyl or propyl ether, dipropylene glycol monomethyl or ethyl ether, di -isopropylene glycol monomethyl or ethyl ether, methoxy, ethoxy or butoxy triglycol, 1-butoxyethoxy-2-propanol, 3-methyl-3-methoxybutanol, propylene glycol t-butyl ether and mixtures
  • Non-aqueous solvents may be used in the liquid preparations, for example in amounts of between 0.5 and 15 wt .-%, but preferably below 12 wt .-% and in particular below 9 wt .-%. However, according to another preferred embodiment more than 15 wt .-%, preferably more than 20 wt .-%, in particular more than 25 wt .-% of non-aqueous solvent.
  • pH adjusting agents may be indicated.
  • Can be used here are all known acids or alkalis, unless their use is not for technical application or environmental reasons or for reasons of consumer protection prohibited.
  • the amount of these adjusting agents does not exceed 7% by weight of the total formulation.
  • liquid preparations In order to improve the aesthetic impression of the liquid preparations and in particular the liquid detergents and cleaners, they can be colored with suitable dyes.
  • Preferred dyes the selection of which presents no difficulty to the skilled person, have a high storage stability and insensitivity to the other ingredients of the agents and to light and no pronounced substantivity to textile fibers so as not to stain them.
  • Suitable foam inhibitors which can be used in the liquid preparations and in particular in the liquid detergents and cleaners are, for example, soaps, paraffins or silicone oils, which may optionally be applied to support materials.
  • Suitable anti-redeposition agents which are also referred to as "soil repellents" are, for example, nonionic cellulose ethers such as methylcellulose and methylhydroxypropylcellulose with a proportion of methoxy groups of 15 to 30% by weight and of hydroxypropyl groups of 1 to 15% by weight, based in each case on nonionic cellulose ethers and the known from the prior art polymers of phthalic acid and / or terephthalic acid or derivatives thereof, in particular polymers of ethylene terephthalates and / or polyethylene glycol terephthalates or anionic and / or nonionic modified derivatives thereof.
  • Optical brighteners can be added to the liquid detergents and cleaning agents in order to eliminate graying and yellowing of the treated textile fabrics. These fabrics impinge on the fiber and cause lightening and fake bleaching by converting invisible ultraviolet radiation into visible longer wavelength light, emitting ultraviolet light absorbed from the sunlight as faint bluish fluorescence, and pure yellow with the yellowed or yellowed wash White results.
  • Suitable compounds are derived, for example, from the substance classes of 4,4'-diamino-2,2'-stilbenedisulfonic acids (flavonic acids), 4,4'-distyrylbiphenyls, methylumbelliferones, coumarins, dihydroquinolinones, 1,3-diarylpyrazolines, naphthalimides, benzoxazole , Benzisoxazole and benzimidazole systems as well as heterocyclic substituted pyrene derivatives.
  • the optical brighteners are preferably used in amounts between 0.03 and 0.3 wt .-%, based on the finished composition.
  • Grayness inhibitors have the task of keeping the dirt detached from the fiber suspended in the liquor and thus preventing the dirt from being rebuilt.
  • Water-soluble colloids of mostly organic nature are suitable for this purpose, for example glue, gelatine, salts of ether sulfonic acids or cellulose or salts of acidic sulfuric acid esters of cellulose or starch.
  • water-soluble polyamides containing acidic groups are suitable for this purpose. It is also possible to use soluble starch preparations and starch products other than those mentioned above, for example degraded starch, aldehyde starches, etc. Polyvinylpyrrolidone is also useful.
  • cellulose ethers such as carboxymethylcellulose (Na salt), methylcellulose, hydroxyalkylcellulose and mixed ethers such as methylhydroxyethylcellulose, methylhydroxypropylcellulose, methylcarboxymethylcellulose and mixtures thereof in amounts of preferably 0.1 to 5% by weight, based on the compositions.
  • the compositions may contain synthetic crease inhibitors.
  • the liquid detergents and cleaning agents may contain antimicrobial agents.
  • antimicrobial agents Depending on the antimicrobial spectrum and mechanism of action, a distinction is made between bacteriostats and bactericides, fungistatics and fungicides, etc.
  • Important substances from these groups are, for example, benzalkonium chlorides, alkylarylsulfonates, Halogenphenols and Phenolmercuriacetat, which can be completely dispensed with the compounds according to the invention in these compounds.
  • the agents may contain antioxidants.
  • This class of compounds includes, for example, substituted phenols, hydroquinones, catechols and aromatic amines, as well as organic sulfides, polysulfides, dithiocarbamates, phosphites and phosphonates.
  • Antistatic agents increase the surface conductivity and thus allow an improved drainage of formed charges.
  • External antistatic agents are generally substances with at least one hydrophilic molecule ligand and give a more or less hygroscopic film on the surfaces. These mostly surface-active antistatic agents can be subdivided into nitrogen-containing (amines, amides, quaternary ammonium compounds), phosphorus-containing (phosphoric acid esters) and sulfur-containing (alkyl sulfonates, alkyl sulfates) antistatic agents.
  • External antistatics are for example in the patent applications FR 1,156,513 . GB 873 214 and GB 839,407 described.
  • the lauryl (or stearyl) dimethylbenzylammonium chlorides disclosed herein are useful as antistatics for textile fabrics or as an additive to laundry detergents, with a softening effect being additionally achieved.
  • silicone derivatives can be used in the liquid detergents and cleaners. These additionally improve the rinsing behavior of the agents by their foam-inhibiting properties.
  • Preferred silicone derivatives are, for example, polydialkyl or alkylaryl siloxanes in which the alkyl groups have one to five carbon atoms and are completely or partially fluorinated.
  • Preferred silicones are polydimethylsiloxanes, which may optionally be derivatized and are then amino-functional or quaternized or have Si-OH, Si-H and / or Si-Cl bonds.
  • the viscosities of the preferred silicones are in the range between 100 and 100,000 mPas at 25 ° C, wherein the silicones in amounts between 0.2 and 5 wt .-%, based on the total agent can be used.
  • the liquid detergents and cleaners may also contain UV absorbers that wick onto the treated fabrics and improve the lightfastness of the fibers.
  • Compounds having these desired properties include, for example, the non-radiative deactivating compounds and derivatives of benzophenone having substituents in the 2- and / or 4-position.
  • substituted benzotriazoles, in the 3-position Phenyl-substituted acrylates (cinnamic acid derivatives), optionally with cyano groups in the 2-position, salicylates, organic Ni complexes and natural products such as umbelliferone and the body's urocanic acid suitable.
  • Suitable heavy metal complexing agents are, for example, the alkali metal salts of ethylenediaminetetraacetic acid (EDTA) or nitrilotriacetic acid (NTA) and alkali metal salts of anionic polyelectrolytes such as polymaleates and polysulfonates.
  • EDTA ethylenediaminetetraacetic acid
  • NTA nitrilotriacetic acid
  • anionic polyelectrolytes such as polymaleates and polysulfonates.
  • a preferred class of complexing agents are the phosphonates, which in preferred liquid detergents and cleaners in amounts of from 0.01 to 2.5 wt .-%, preferably 0.02 to 2 wt .-% and in particular from 0.03 to 1 , 5 wt .-% are included.
  • These preferred compounds include in particular organophosphonates such as 1-hydroxyethane-1,1-diphosphonic acid (HEDP), aminotri (methylenephosphonic acid) (ATMP), diethylenetriamine penta (methylenephosphonic acid) (DTPMP or DETPMP) and 2-phosphonobutane-1,2 , 4-tricarboxylic acid (PBS-AM), which are used mostly in the form of their ammonium or alkali metal salts.
  • organophosphonates such as 1-hydroxyethane-1,1-diphosphonic acid (HEDP), aminotri (methylenephosphonic acid) (ATMP), diethylenetriamine penta (methylenephosphonic acid) (DTPMP or DETPMP) and 2-phospho
  • the resulting aqueous liquid preparations are preferably clear, ie they have no sediment and are particularly preferably transparent or at least translucent.
  • the detergents and cleaning agents according to the invention can be used in particular for cleaning textile surface fabrics.
  • the liquid agent to be produced according to the invention is a textile treatment agent, an ironing aid, a detergent, a cleaning agent, in particular for hard and / or soft surfaces, a household cleaner, a care agent, a laundry care product, a laundry care product, a room fragrancing agent, an air freshener, a conditioning agent, a coloring agent, a fabric softener, a pharmaceutical, a pesticide, a cleaning agent, a food, a cosmetic, a fertilizer, a building material, an adhesive, a bleach, a descaling agent, a car care product, floor care products, stoves, Leather care products, furniture care products, a scrubbing agent, a disinfectant, a fragrancing agent, a mold remover and / or a precursor of the aforementioned agents.
  • Such agents to be prepared according to the invention represent a preferred embodiment of the invention, in particular as a gel.
  • liquid cleaning agents include u.a. the toilet cleaner or toilet cleaner, ie products for cleaning toilet bowls and urinals, which liquids, preferably gels, offered.
  • liquids preferably gels
  • surfactants they preferably contain organic acids (e.g., citric acid and / or lactic acid) or sodium hydrogen sulfate, amidosulfuric acid, or phosphoric acid to remove limescale or so-called primal stones.
  • Such agents to be prepared according to the invention represent a preferred embodiment of the invention, in particular as a gel.
  • the preferred liquid detergents to be produced according to the invention include, inter alia, the pipe cleaners or drain cleaners. These are preferably strong alkaline preparations, which are usually the elimination of pipe blockages of organic materials - such as hair, fat, food residues, soap deposits, etc.- serve. To form H 2 gas with a bubble effect, additives of Al or Zn powder may preferably be used. Possible ingredients are preferably alkalis, alkaline salts, oxidizing agents and neutral salts. In particular, hypochlorite may be included. In addition, there are also drain cleaner on Enzymbasis. Acid preparations are also preferred. Such agents to be prepared according to the invention represent a preferred embodiment of the invention, in particular as a gel.
  • liquid detergents include u. a. also the universal or all-purpose cleaner or all-purpose cleaner. These are universally applicable cleaners for all hard surfaces in household and commercial, which are wet or damp wipeable. As a rule, these are neutral or weakly alkaline or weakly acidic products. All-purpose cleaners or all-purpose cleaners preferably contain surfactants, builders, solvents and hydrotropes, dyes, preservatives, etc. Such agents to be prepared according to the invention constitute a preferred embodiment of the invention, in particular as a gel.
  • disinfecting all-purpose cleaners preferably also contain antimicrobial agents (e.g., aldehydes, alcohols, quaternary ammonium compounds, amphoteric surfactants, triclosan).
  • antimicrobial agents e.g., aldehydes, alcohols, quaternary ammonium compounds, amphoteric surfactants, triclosan.
  • agents to be prepared according to the invention represent a preferred embodiment of the invention, in particular as a gel.
  • the preferred liquid detergents to be produced according to the invention include, among others, sanitary cleaners. These are liquid products for cleaning in the bathroom and toilet.
  • the alkaline sanitary cleaners are preferably used to remove grease, while the acidic sanitary cleaners are used primarily for the removal of limescale.
  • Sanitary cleaners advantageously also have a significant disinfectant Effect, in particular the strongly alkaline, chlorine-containing sanitary cleaner.
  • Such agents to be prepared according to the invention represent a preferred embodiment of the invention, in particular as a gel.
  • liquid cleaning agents include u.a. also the oven cleaner or grill cleaner, which are advantageously offered in the form of gels. These are usually used to remove burnt or charred food particles.
  • oven cleaners are e.g. strongly alkaline with sodium hydroxide, sodium metasilicate, 2-aminoethanol.
  • they also contain anionic and / or nonionic surfactants, water-soluble solvents and in part thickeners such as polycarboxylates, carboxymethylcellulose.
  • agents to be prepared according to the invention represent a preferred embodiment of the invention, in particular as a gel.
  • liquid cleaning agents include u.a. also the metal cleaner.
  • Stainless steel cleaners preferably contain not only acids (preferably up to 3% by weight, eg citric acid, lactic acid), surfactants (in particular up to 5% by weight, preferably nonionic and / or anionic surfactants), water also solvents (preferably up to 15% by weight). %) to eliminate greasy soiling and other substances such as Thickener and preservative.
  • Very fine polishing bodies are also contained in products for preferably glossy stainless steel surfaces.
  • Silver cleaning agents are preferably acidified.
  • complexing agents e.g., thiourea, sodium thiosulfate
  • Typical offer forms are cleaning cloths, dip baths, pastes, liquids.
  • copper and non-ferrous metal cleaners for example for brass and bronze
  • polishing agents and preferably also ammonium soaps and / or complexing agents are usually adjusted to weakly alkaline (preferably with ammonia) and usually contain polishing agents and preferably also ammonium soaps and / or complexing agents.
  • agents to be prepared according to the invention represent a preferred embodiment of the invention, in particular as a gel.
  • the preferred liquid detergents to be produced according to the invention include, among others, the glass cleaners or window cleaners. These liquid preparations are preferably used to eliminate especially greasy soil from glass surfaces. They preferably contain substances such as anionic and / or nonionic surfactants (in particular up to 5% by weight), ammonia and / or ethanolamine (in particular up to 1% by weight), ethanol and / or 2-propanol, glycol ethers (in particular 10 -30% by weight), water, preferably preservatives, dyes, anti-fogging agents, etc. Such agents to be prepared according to the invention represent a preferred embodiment of the invention, in particular as a gel.
  • liquid cleaning agents include u.a. also all special cleaning agents, eg those for hobs made of glass ceramic, as well as carpet cleaners and stain removers.
  • Such agents to be prepared according to the invention represent a preferred embodiment of the invention, in particular as a gel.
  • liquid car care products include u.a. Paint preservatives, paint polishes, paint cleaners, Waschkonservierer, shampoos for car wash, car wash and wax products, polishes for decorative metals, protective films for decorative metals, plastic cleaner, tar remover, window cleaner, engine cleaner etc.
  • Such means according to the invention represent a preferred embodiment of the invention, especially as Gel.
  • Preferred liquid cosmetic products to be produced according to the invention are preferably (a) cosmetic liquid skin care preparations, in particular bath preparations, skin cleansing and cleansing preparations, skin care products, ocular cosmetics, lip care products, nail care products, intimate care products, foot care products, (b) cosmetic liquid agents having a specific action, in particular Sunscreen agents, skin tanning agents, depigmenting agents, deodorants, antihidrotic agents, depilatories, shaving compositions, fragrances, (c) cosmetic liquid agents for dental care, in particular dental and. Oral care products, denture care products, denture cleansing preparations, denture adhesives, (d) cosmetic liquid hair care agents, in particular shampoos, hair care preparations, hair hardening agents, hair shaping preparations, hair dyes.
  • Such agents to be prepared according to the invention represent a preferred embodiment of the invention, in particular as a gel or as other customary cosmetic dosage forms such as lotions, creams, milk, emulsions etc.
  • liquid air improvers and room fragrancing agents are particularly preferred.
  • Such products preferably contain volatile and usually pleasant-smelling substances, which can advantageously cover even in very small amounts of bad odors.
  • Air fresheners for living spaces contain, in particular, natural and / or synthetic essential oils such as, for example, coniferous needle oils, citrus oil, eucalyptus oil, lavender oil etc., for example in amounts of up to 50% by weight.
  • aerosols they contain rather lower amounts of such essential oils, for example less than 5 wt .-% or less than 2 wt .-%, but preferably also substances such as acetaldehyde (in particular ⁇ 0.5 wt .-%), preferably isopropyl alcohol (in particular ⁇ 5 wt .-%), mineral oil (in particular ⁇ 5 wt .-%) and propellant gases.
  • acetaldehyde in particular ⁇ 0.5 wt .-%)
  • isopropyl alcohol in particular ⁇ 5 wt .-%)
  • mineral oil in particular ⁇ 5 wt .-%
  • propellant gases propellant gases.
  • gel concentrates of essential oils can be used.
  • a liquid detergent with defined viscosity and yield point was prepared (viscosity 4200 mPas, flow limit 1.2 Pa). The preparation was carried out batchwise at a mixing time of 1.5 h / batch.
  • surfactants anionic surfactant, nonionic surfactant, soap
  • small components defoamers, perfume
  • thickening agents for example polyacrylates
  • Speckles were already added during the preparation of the liquid detergent. It could be observed that the speckles were torn after a short time. Even if the speckles were added only at the very end of the production, still a good part (about 25 wt .-% of the speckles) was already during the mixing and a large part (about 60 wt .-% of the speckles) during the emptying and during transport through various parts of the plant (pipes, valves, pumps, intermediate container) up to the filling torn.
  • the resulting product made a visually inferior and unprofessional impression.
  • a 20 l stirred glass container (container diameter: 300 mm / container height: 400 mm with Intermig stirrer stirrer diameter (3 AFS): 210 mm and 4 baffles) was 50 vol .-% with a conventional liquid detergent (viscosity 4300 mPas with a flow limit of 1 , 3 Pa), which has been previously prepared. Subsequently, at a stirrer speed of 55 rpm, 250 g of a speckles dispersion were added (200 g of speckles in 800 g of water). Already after 3 min all speckles were homogeneously incorporated in the liquid detergent and could be filled directly. A destruction of the speckles could not be observed.
  • a conventional liquid detergent viscosity 4300 mPas with a flow limit of 1 , 3 Pa
  • the mixture from Example 2 was used as a template.
  • Into this original were continuously metered 117 kg / h of ordinary liquid detergent and 3 kg / h of the speckles dispersion while continuously removing 200 kg / h of the mixture from the bottom outlet valve. Even after 25 minutes of continuous driving, all the speckles were still homogeneously incorporated in the liquid detergent and could be filled directly. There were no fluctuations in the product. A destruction of the speckles could not be observed.

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Claims (9)

  1. Procédé pour la préparation d'un agent liquide de lavage et de nettoyage possédant une teneur en corps solides, l'addition des corps solides n'ayant pas lieu avant le transvasement dans une unité de conditionnement, de telle sorte que :
    (c) l'on transvase des corps solides et une préparation liquide de manière conjointe en deux courants dans l'unité de conditionnement ; ou
    (d) l'on ajoute des corps solides et une préparation liquide en un seul courant, la préparation liquide et les corps solides étant réunis directement avant leur entrée dans l'unité de conditionnement et pénétrant dans l'unité de conditionnement sous la forme d'un seul courant, en ce qu'on insuffle les corps solides via une buse dans un faisceau de liquide (faisceau de la préparation liquide), donnant lieu à une combinaison des corps solides et de la préparation liquide.
  2. Procédé selon la revendication 1, caractérisé en ce que la teneur en corps solides se situe dans la plage de 0,01 à 80 % en poids, les indications en % en poids se rapportant à la préparation totale.
  3. Procédé selon l'une quelconque des revendications 1 à 2, caractérisé en ce que les corps solides à ajouter sont sensibles au cisaillement.
  4. Procédé selon l'une quelconque des revendications 1 à 3, caractérisé en ce que, en ce qui concerne la préparation, il s'agit d'un agent aqueux.
  5. Procédé selon l'une quelconque des revendications 1 à 4, caractérisé en ce que les corps solides présentent un diamètre, sur leur étendue maximale, de 0,01 à 20.000 µm.
  6. Procédé selon l'une quelconque des revendications 1 à 5, caractérisé en ce que, en ce qui concerne le corps solide, il s'agit de capsules, de microcapsules ou de granules.
  7. Procédé selon l'une quelconque des revendications 1 à 6, caractérisé en ce que les corps solides contiennent une ou plusieurs microbilles creuses.
  8. Procédé selon l'une quelconque des revendications 1 à 7, caractérisé en ce que la préparation présente une viscosité dans la plage de 1 à 10.000 mPa.s.
  9. Procédé selon l'une quelconque des revendications 1 à 8, caractérisé en ce que les corps solides présentent essentiellement un facteur de forme moyen d'au moins 0,77.
EP06707516A 2005-04-19 2006-03-10 Procede pour produire des preparations liquides contenant des solides Revoked EP1871669B1 (fr)

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DE102005018243A1 (de) 2006-10-26
US8741830B2 (en) 2014-06-03
JP2008538788A (ja) 2008-11-06
US20080262109A1 (en) 2008-10-23
ATE555019T1 (de) 2012-05-15
PL1871669T3 (pl) 2012-09-28
ES2383218T3 (es) 2012-06-19
WO2006111223A1 (fr) 2006-10-26

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