EP0966518B1 - Corps moules a action detergente ou nettoyante a usage menager - Google Patents
Corps moules a action detergente ou nettoyante a usage menager Download PDFInfo
- Publication number
- EP0966518B1 EP0966518B1 EP98912437A EP98912437A EP0966518B1 EP 0966518 B1 EP0966518 B1 EP 0966518B1 EP 98912437 A EP98912437 A EP 98912437A EP 98912437 A EP98912437 A EP 98912437A EP 0966518 B1 EP0966518 B1 EP 0966518B1
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- EP
- European Patent Office
- Prior art keywords
- weight
- shape
- granules
- disintegrating agent
- washing
- Prior art date
- 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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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
- C11D17/0047—Detergents in the form of bars or 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
- 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
Definitions
- the invention relates to washing or cleaning active tablets, primarily tablets such as Detergent tablets, dishwasher tablets, stain remover tablets or water softening tablets for household use, especially for mechanical use, and a process for the production of these moldings and their use.
- Shaped or active cleaning moldings in particular tablets, have powdery form A number of advantages, such as advantageous handling, simple Dosage and low packaging volume requirements.
- problems arise characterized in that in order to achieve a sufficient dimensional and fracture resistance at Pressing the powdered components used relatively high compression pressures Need to become.
- tablets of this type often have insufficient ones Disintegration and dissolving properties when used, thereby reducing the active substances are released too slowly in the washing or cleaning cycle and the risk of Residue formation, especially on textiles, occurs after the wash.
- tablet disintegrants are understood to be auxiliaries which are suitable for the rapid disintegration of tablets in water or gastric juice and for Ensure release of the pharmaceuticals in an absorbable form.
- the first class includes the substances known as classic disintegrants, such as starch, cellulose and cellulose derivatives, alginates, dextrans, cross-linked polyvinylpyrrolidones and many others; systems of weak acids and carbonate-containing agents, in particular citric acid and tartaric acid in combination with bicarbonate or carbonate, are to be understood as the middle class, while polyethylene glycol sorbitan fatty acid esters can be mentioned as examples of the latter class.
- German patent application 938 566 proposes acetylsalicylic acid to be transferred to the pressing first in granulate form, gently but completely dry and then coat with finely divided silica. Subsequently can with the granular powdered acetylsalicylic acid granules with further tablet ingredients, which are in powder or granular form can be mixed and compressed into tablets.
- the interface of highly disperse Silicic acid acts not only as an insulating layer and protection against unwanted reactions, but also also contributes to the rapid disintegration of the tablets even after a long storage period.
- German patent application 12 28 029 describes the production of tablets, wherein Powder mixtures without prior granulation, first with cellulose powder and if necessary finely divided silica mixed, ground according to a preferred embodiment and then pressed.
- the classic tablet disintegrants of the first mentioned Substance class in very fine-particle form either before pressing with the others Tablet ingredients, which can be in fine or granular form, mixed or the other Tablet ingredients are coated or powdered with the tablet disintegrant.
- disintegrants used by drug manufacturing are known here.
- Swellable layered silicates are mentioned as disintegrants such as bentonites, natural substances and natural substance derivatives based on starch and cellulose, Alginates and the like, potato starch, methyl cellulose and / or hydroxypropyl cellulose.
- These disintegrants can be mixed with the granules to be pressed, but already can also be incorporated into the granules to be pressed.
- Disintegrants in detergent or cleaning agent tablets can be advantageous.
- microcrystalline cellulose sugar such as sorbitol, but also as typical disintegrants
- Layered silicates especially finely divided and swellable layered silicates of the bentonite type and called smectites.
- substances contributing to gas formation such as citric acid, Bisulfate, bicarbonate, carbonate and percarbonate are potential disintegrants listed.
- EP-A-0 466 485, EP-A-0 522 766, EP-A-0 711 827, EP-A-0 711 828 and EP-A-0 716 144 describe the production of active cleaning tablets described, wherein compacted, particulate material with a particle size between 180 and 2000 ⁇ m is used.
- the resulting tablets can be both homogeneous as well as having a heterogeneous structure.
- EP-A-0 522 766 at least the particles containing surfactants and builders with a solution or dispersion a binder / disintegrant, in particular polyethylene glycol.
- binders / disintegrants are, in turn, those that have already been described and known several times Disintegrants, for example starches and starch derivatives, commercially available cellulose derivatives such as cross-linked and modified cellulose, microcrystalline cellulose fibers, cross-linked Polyvinyl pyrrolidones, layered silicates etc. Also weak acids such as citric acid or tartaric acid, which in connection with carbonate-containing sources during contact lead to effervescent effects with water and to the second class of explosives can be used as coating material.
- the object of the invention was to be active in washing or cleaning To provide moldings which contain an explosive which is able to To increase the porosity or capillarity of the tablets and a high adsorption capacity for water, and which do not have the disadvantages mentioned above. Likewise, should a process for the production of these improved washing or cleaning-active molded articles to be provided.
- the subject of the invention is therefore in a first embodiment a wash or cleaning active Shaped body containing at least one disintegrant that is capable of To increase and increase the porosity or capillarity of shaped bodies, in particular tablets has high adsorption capacity for water, this disintegrant in granular and the disintegrant granulate is optionally present in the granular form in cogranulated form the explosive or - if several explosives are used - the explosive contains at least 20 wt .-%, preferably 25 to 100 wt .-%, and the particle size distribution (Sieve analysis) is designed such that a maximum of 1% by weight, preferably less, of dust content and total (including any that may be present Dust) less than 10% by weight of the disintegrant granules are less than 0.2 mm. At least 90% by weight of the disintegrant granules advantageously have a particle size of at least 0.2 mm and a maximum of 3 mm.
- explosives are in granular or in cogranulated form or by explosive granules understood all those explosives, which are in finely divided powder form per se and are spray-dried, Granulating, agglomerating, compacting, pelleting or extrusion process into a coarser Form were transferred.
- washing or cleaning active moldings are primarily cylindrical configurations or tablets used as detergents, dishwashing detergents, bleaches (stain salts), if necessary but also as a pretreatment agent, for example as a water softener or Bleach can be used.
- shaped body is not based on the tablet form limited. In principle, any spatial form is possible, which may include the starting materials can be forced due to an outer container. Cylindrical Bodies can have a height that is less than or greater than or equal to that Base diameter is. However, an angular one is also conceivable, for example one rectangular, in particular a square, but also a diamond-shaped or trapezoidal Base area of the molded body. Other configurations include triangular ones or more than square bases of the molded body.
- the shaped bodies according to the invention Because of the excellent disintegration properties of the shaped bodies according to the invention it is possible, but not absolutely necessary, to use a metering device for the shaped bodies to put directly into the aqueous liquor of a mechanical process; rather, it is possible to place the molded article or articles in the induction channel of standard household machines, especially the washing machines.
- the spatial form is accordingly the shaped body in a preferred embodiment of the invention in its dimensions adapted to the induction chamber of commercially available household machines.
- Another preferred shaped body has a plate-like or plate-like structure with alternating thick long and thin short segments, so that individual segments of this "bolt" at the predetermined breaking points, which represent the short thin segments, canceled and entered into the machine or the induction chamber of the machine can.
- This principle of the "bar-shaped” means can also be used in other geometric Shapes, for example vertical triangles, only on one of their Pages are longitudinally connected to each other, can be realized.
- homogeneous or heterogeneous moldings in particular tablets, are provided, these tablets preferably having a diameter of 20 to 60 mm, in particular of 40 +/- 10 mm.
- the height of these tablets is preferably 10 to 30 mm and in particular 15 to 25 mm.
- the weight of the individual shaped bodies, in particular the tablets is preferably 15 to 60 g and in particular 25 to 40 g per shaped body or tablet; the consistency of the shaped bodies or tablets, however, usually has values above 1 kg / dm 3 , preferably from 1.1 to 1.4 kg / dm 3 .
- the water hardness range or the level of contamination 1 or more, for example 2 to 4, moldings, in particular tablets, can be used.
- Further shaped bodies according to the invention can also have smaller diameters or dimensions, for example around 10 mm.
- a homogeneous molded body is understood to mean those in which the ingredients of the molded body are homogeneously distributed. Accordingly, under heterogeneous shaped bodies understood those that do not have a homogeneous distribution of their ingredients to have. Heterogeneous moldings can be produced, for example, in that the different ingredients not into a uniform molded body, but into one Molded body is pressed, which has several layers, ie at least two layers. It is also possible that these different layers have different decay and Have release speeds. This can result in advantageous application properties the molded body result.
- the layer structure of the moldings can be stacked, whereby a dissolution process of the inner layer (s) at the edges of the molded body already occurs when the outer layers have not yet completely dissolved or disintegrated; but it can also completely encase the inner layer (s) by the respective layers lying further out can be reached, which prevents the premature Solution of components of the inner layer (s) leads.
- a tablet consists of at least three layers, ie two outer and at least one inner layer, whereby at least one of the inner layers contains a peroxy bleach, while at the two top layers of the stacked tablet and the cover-shaped tablet however, the outermost layers are free of peroxy bleach.
- Peroxy bleach and any bleach activators or bleach catalysts present and / or spatially separate enzymes from each other in a tablet / molded article. Such configurations have the advantage that even in cases where the Detergent or bleach tablets / the detergent or bleach tablet in given direct contact with the textiles in the washing machine or hand wash basin no spotting by bleaching agents and the like on the textiles would be feared.
- heterogeneous moldings can be found, for example, in European patent applications EP-A-0 711 827, EP-A-0 711 828 and EP-A-0 716 144.
- a number of explosives can be used individually or in Combination, in an explosive granulate or in different explosive gray latates in the present case. If different explosives granules are used it is preferred that more than 40% by weight, preferably at least 50% by weight and in particular at least 60% by weight, in each case based on the total amount of those used Disintegrant granules, a composition and particle size distribution of the have the type specified above. But since it is the coarser than conventionally used Type of disintegrant accelerating the disintegration of the washing or cleaning active Shaped body, it is particularly advantageous and highly desirable that also the total amount of the different explosive granules the above Features.
- disintegrants which can be converted into granular or cogranulated form are starch and starch derivatives, cellulose and cellulose derivatives, for example microcrystalline cellulose, CMC, MC, alginic acid and its salts, carboxylmethylamylopectin, Polyacrylic acid, polyvinyl pyrrolidone and polyvinyl polypyrrolidone.
- the explosive granules can in a conventional manner, for example by spray drying or superheated steam drying of aqueous preparation forms or by granulation, Pelletizing, extrusion or roller compaction can be produced.
- Aggregates are preferred Embodiment of the invention non-surfactant active substances of washing or cleaning agents, especially bleach activators and / or bleach catalysts.
- an explosive granulate which, as an additive, tetraacetylethylenediamine (TAED) and / or other bleach activators of the common type contains.
- TAED tetraacetylethylenediamine
- Disintegrant granules can advantageously be obtained by cogranulating the disintegrant be made with the aggregate.
- Such a cogranulation can Distribution of the disintegrant in the shaped body, in particular in the tablet, enlarged become, which in certain cases also improves the rate of decay of the molded body can lead.
- cellulose-containing disintegrants are cellulose-containing materials that have been compacted, preferably using compacted pulps such as TMP (thermo mechanical pulp) or CTMP (chemo thermo mechanical pulp).
- Such particularly preferred disintegrants are, for example, under the type designations Arbocel® -B and Arbocel® -BC (beech cellulose), Arbocel® -BE (beech sulfite cellulose), Arbocel® -B-SCH (cotton cellulose), Arbocel® -FIC (spruce cellulose) ) and other Arbocel® types (Arbocel® -TF-30-HG) are available from Rettenmaier.
- Arbocel® -B and Arbocel® -BC beech cellulose
- Arbocel® -BE beech sulfite cellulose
- Arbocel® -B-SCH cotton cellulose
- Arbocel® -FIC spruce cellulose
- Arbocel® -TF-30-HG Arbocel® types
- the content of the disintegrant granules is actual disintegrants preferably 50 to 100% by weight, in particular at least 70 % By weight, in particular configurations with at least 80 or even 90% by weight and above can be advantageous. Also disintegrant granules, which are almost completely made up of the commercial explosives are manufactured and which the commercial ones Disintegrants containing between 97 and 100% by weight are possible.
- the content of disintegrant in the granules is more than 20 wt .-% and less than 70% by weight, the remaining constituents advantageously being at least 70% by weight % By weight, in particular 80 to 100% by weight, in each case based on the remaining constituents in the disintegrant granulate, from the active substances such as bleach activator, in particular TAED, and / or bleach catalyst exist.
- fine particles of less than 0.2 mm are obtained during the manufacture of the explosive granules should, it is not only preferred to separate them to such an extent that the disintegrant granules are largely free of dust, including particles in the context of this invention with particle sizes smaller than 0.1 mm (see above), but also that the content of particles below 0.2 mm is minimized overall to 0 to 5% by weight.
- a further preferred embodiment has at least 90% by weight of the disintegrant granules a particle size of at least 0.3 mm and a maximum of 3 mm, in particular up to a maximum of 2 mm.
- the moldings according to the invention contain Disintegrant granules in amounts of 1 to 20% by weight, preferably 2 to 15% by weight, quantities up to 10% by weight are particularly preferred.
- the invention provides that not only the Disintegrant granules, but also predominantly the remaining constituents of the shaped body are in a particulate form of the type already specified. So it is preferred that at least 50% by weight of the remaining constituents and preferably at least 70 % By weight have a particle size distribution between 0.2 and 3 mm. The following also applies here in particular that the remaining constituent particles are only smaller than 0.2 mm should contain 0 to 5 wt .-%, it being particularly advantageous if at least 90% by weight of the other ingredients have particle sizes between 0.2 and 3.0 mm.
- Dust components should also be avoided as far as possible with the remaining components. This is achieved, for example, in that the remaining components are in granular Present in form and / or are combined in one or more compounds, which in a conventional manner, for example by spray drying, superheated steam drying, Granulation / agglomeration, fluidized bed granulation, roller compaction, Pelletizing or extrusion. If necessary during production fine compounds of particle sizes smaller than 0.2 mm preferably removed before mixing with the disintegrant granules.
- Expressly surface treatment agents do not count in the particle size distribution of the remaining constituents such as powdering agents which are known to be very finely divided and just not be used in coarse-grained form. Both explosive granules and Even residual components can be treated with these solid, finely divided surface treatment agents be treated.
- the rest of the ingredients are all the usual ingredients of washing or cleaning agents, Pretreatment agents, bleaches and water softeners.
- Pretreatment agents primarily include anionic, nonionic, cationic, amphoteric and zwitterionic Surfactants, inorganic and organic, water-soluble or water-insoluble builder substances and cobuilders, bleaching agents, in particular peroxy bleaching agents, but also active chlorine compounds, which are advantageously coated, bleach activators and bleach catalysts, Enzymes and enzyme stabilizers, foam inhibitors, graying inhibitors, Substances that prevent the re-soiling of textiles, so-called soil repellents, as well as customary inorganic salts such as sulfates and organic salts such as phosphonates, optical brighteners and colors and fragrances.
- customary inorganic salts such as sulfates and organic salts such as phosphonates, optical brighteners and colors and fragrances.
- customary inorganic salts such as sulfates and organic salts
- the preferred anionic surfactants include both those based on petrochemicals such as alkylbenzenesulfonates and alkanesulfonates and alkyl (ether) sulfates with odd chain lengths as well as those on a native basis, for example fatty alkyl sulfates or fatty alkyl (ether) sulfates, Soaps, sulfosuccinates etc. are particularly preferred - if appropriate in Combination with small amounts of soap - alkylbenzenesulfonates and / or various Chain cuts of alkyl sulfates or alkyl ether sulfates.
- alkylbenzenesulfonates C11-C13-alkylbenzenesulfonate and C12-alkylbenzenesulfonate are preferred in the case of the Alkyl (ether) sulfates preferred chain cuts C12 to C16, C12 to C14, C14 to C16, C16 to C18 or C11 to C15 or C13 to C15.
- the preferred nonionic surfactants include in particular those with an average of 1 up to 7 moles of EO per mole of alcohol ethoxylated C12-C18 fatty alcohols and the corresponding C11-C17 alcohols, especially C13-C15 alcohols, but also those from washing or Detergent range known higher ethoxylated alcohols of the specified chain length, Amine oxides, alkyl polyglycosides, polyhydroxy fatty acid amides, fatty acid methyl ester ethoxylates and gemini surfactants.
- conventional phosphates are preferred inorganic builders, with preference for tripolyphosphate, zeolites, particularly zeolite A, zeolite P, zeolite X and any mixtures of these play a role, but also carbonates, Hydrogen carbonates as well as crystalline and amorphous silicates with secondary washing power in Consideration.
- the usual cobuilders include (co) polymeric salts of (poly) carboxylic acids, for example copolymers of acrylic acid and maleic acid, but also polycarboxylic acids and their salts such as citric acid, tartaric acid, glutaric acid, succinic acid, Polyaspartic acid etc.
- the person skilled in the art knows the organic cobuilders which can be used countless publications in the field of detergents and cleaning agents.
- peroxy bleaches such as perborate and Percarbonate
- bleach activators and bleach catalysts especially in the field of dishwashing detergents but also those already active chlorine compounds used above.
- the enzymes include not only proteases but also lipases, amylases, cellulases and Peroxidases and any combination of these enzymes are of particular interest.
- anionic and non-ionic surfactants mainly contained in two different compounds his.
- preferred Liquid components can be nonionic surfactants and / or polyethylene glycols to be named.
- the aftertreatment of the remaining constituents is also particularly preferred with an anhydrous melt of nonionic solid at room temperature Compounds, especially with polyethylene glycols with relative molecular weights above from 2000, especially between 4000 and 12000 the disintegrant granules, in particular finely divided zeolites, silicas, sulfates, calcium stearates, Phosphates and / or acetates into consideration.
- the invention to ensure that dust and particles smaller than 0.2 mm before Mix with the disintegrant granules as completely as possible.
- the invention can also take advantage of the fact that acidifying agents such as citric acid, Tartaric acid or succinic acid, but also acidic salts of inorganic acids ("Hydrogen salts"), for example bisulfates, especially in combination with those containing carbonate Systems can contribute to the improvement of the disintegration properties of the moldings.
- these acidifying agents are also present in coarse-grained, in particular granular form, which have as little dust as possible and the particle size distribution is adapted to that of the disintegrant granules, available.
- the granular acidifying agents can be used, for example, in amounts of 1 to 10 % By weight can be contained in the moldings.
- the moldings according to the invention in particular the previously poorly disintegrating and poorly soluble detergent tablets and Bleach tablets have excellent disintegration properties.
- a normal household washing machine use directly in the washing liquor using a conventional dosing device, delicate washing program or colored laundry, Washing temperature maximum 40 ° C
- a beaker at a water temperature of 25 ° C can be tested.
- the corresponding tests are carried out in Sample part described.
- the shaped bodies according to the invention disintegrate under these conditions not only complete within 10 minutes; the preferred embodiments have disintegration times in the beaker test of less than 3 minutes, in particular less than 2 minutes. Particularly advantageous embodiments even have disintegration times of less than 1 minute.
- Disintegration times of less than 3 minutes in a beaker test are sufficient out to the detergent tablets or the washing additive tablets via the dispenser conventional household washing machines to be washed into the washing solution.
- a washing process is therefore claimed, wherein the molded body on the induction device of the household washing machine in the wash liquor is introduced.
- the detachment times of the molded articles in the washing machine are preferably less than 8 minutes and in particular less than 5 minutes.
- the actual manufacture of the shaped bodies according to the invention is initially carried out by dry blending of the disintegrant granules with the remaining constituents and subsequent Inform, in particular pressing into tablets, whereby conventional Methods (for example as in the conventional patent literature on tableting, especially in the detergent or cleaning agent field, especially as in the above Patent applications and the article "Tabletttechnik: Stand dertechnik", S ⁇ FW-Journal, 122nd year, pp. 1016-1021 (1996)) can be used.
- a granular detergent product with a particle size distribution which consisted of more than 90 wt .-% of particles with a size between 0.2 and 2 mm and was also dust-free, and consisting of 12.9 parts by weight of alkyl benzene sulfonate, 7.4 wt .
- Parts of granular bleach activator (tetraacetylethylene diamine), 3 parts by weight of foam inhibitor granules based on silicone oil and 8 parts by weight of water were mixed according to the invention with 4 parts by weight of an explosive granulate (Arbocel® -TF-30-HG, from Rettenmeier), which likewise had no dust components and more than 90% by weight of particles between 0.2 and 2 mm existed, mixed and then compressed to a tablet T1.
- Korsch EK4 was used as the press type; the tablet obtained had a diameter of 44 mm, a height of 20 mm and a weight of 40 g each.
- a tablet V1 of the same size with the same weight was produced instead of the above-mentioned disintegrant granules, 4 parts by weight of microcrystalline cellulose (Avicel® -PH-102, FMC, average particle size 100 microns) contained.
- the hardness of the tablets was measured by deforming the tablet to break, whereby the force applied to the side surfaces of the tablet and the maximum force exerted by the tablet withstood, was determined.
- the tablet was placed in a beaker with water (Düsseldorfer Stadtwasser, 16 ° dH) placed (600ml water, temperature 30 ° C) and the time measured until complete tablet disintegration without mechanical action.
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Claims (18)
- Corps moulé à action détergente ou nettoyante contenant au moins un agent d'éclatement qui est en mesure d'augmenter la porosité ou la capillarité de corps moulés, en particulier de tablettes, et qui possède un pouvoir élevé d'adsorption pour l'eau,
caractérisé en ce que
cet agent d'éclatement se présente sous forme granulaire et éventuellement co-granulée dans le corps moulé, le granulé d'agent d'éclatement contient l'agent d'éclatement ou les agents d'éclatement pour au moins 20 %, et la distribution des tailles de particule du granulé d'agent d'éclatement (analyse par tamisage) est conformée de telle sorte qu'au maximum 1 % en poids de fractions de poussière est présent et au total moins de 10 % en poids des granulés d'agent d'éclatement sont inférieurs à 0,2 mm, et le corps moulé contient des enzymes. - Corps moulé à action détergente ou nettoyante, contenant au moins un agent d'éclatement, qui est en mesure d'augmenter la porosité ou la capillarité des corps moulés, en particulier de tablettes, et qui possède un pouvoir élevé d'adsorption pour l'eau,
caractérisé en ce que
cet agent d'éclatement se présente sous forme granulaire et éventuellement sous forme co-granulée dans le corps moulé, le granulé d'agent d'éclatement contient l'agent d'éclatement ou les agents d'éclatement pour au moins 20 % en poids, et la distribution de tailles de particules du granulé d'agent d'éclatement (analyse par tamisage) est conformée de telle sorte qu'au maximum 1 % en poids de quantités de poussière est présent et qu'au total moins de 10 % en poids des granulés d'agent d'éclatement sont inférieurs à 0,2 mm, et le corps moulé contient un agent de blanchiment. - Corps moulé à action détergente ou nettoyante contenant au moins un agent d'éclatement, qui est en mesure d'augmenter la porosité ou la capillarité de corps moulés, en particulier de tablettes et qui possède un pouvoir élevé d'adsorption pour l'eau,
caractérisé en ce que
cet agent d'éclatement se présente sous forme granulaire et éventuellement sous forme co-granulée dans le corps moulé, le granulé d'agent d'éclatement contient l'agent d'éclatement ou les agents d'éclatement pour au moins 20 % en poids, et la distribution des tailles de particules du granulé d'agent d'éclatement (analyse par tamisage) est conformée de telle sorte qu'au maximum 1 % en poids de quantités de poussière est présent, et qu'au total moins de 10 % en poids de granulés d'agent d'éclatement sont inférieurs à 0,2 mm, et le corps moulé contient des substances d'agent de structuration. - Produit selon l'une quelconque des revendication 1 à 3,
caractérisé en ce qu'
au moins 50 % en poids des constituants résiduels présents dans le corps moulé en dehors du granulé d'agent d'éclatement, possèdent une taille de particules comprise entre 0,2 et 3 mm. - Corps moulé à action détergente ou nettoyante contenant au moins un agent d'éclatement qui est en mesure d'augmenter la porosité ou la capillarité de corps moulés, en particulier de tablettes, et qui possède un pouvoir élevé d'adsorption pour l'eau,
caractérisé en ce que
cet agent d'éclatement se présente sous forme granulaire et éventuellement sous forme co-granulée dans le solide moulé, le granulé d'agent d'éclatement contient l'agent d'éclatement ou les agents d'éclatement pour au moins 20 % en poids, et la distribution des tailles de particules du granulé d'agent d'éclatement (analyse par tamisage) est conformée de telle sorte qu'au maximum 1 % en poids des quantités de poussière est présent et qu'au total moins de 10 % en poids des granulés d'agent d'éclatement sont inférieurs à 0,2 mm, et qu'au moins 50 % en poids des constituants résiduels du corps moulé possèdent une taille de particules comprise entre 0,2 et 3 mm. - Produit selon l'une quelconque des revendications 1 à 5,
caractérisé en ce que
le granulé d'agent d'éclatement renferme le ou les agents d'éclatement en quantités allant de 25 à 100 % en poids. - Produit, en particulier tablettes, selon l'une quelconque des revendications 1 à 6,
caractérisé en ce qu'
au moins 90 % en poids des granulés d'agent d'éclatement possèdent une taille de particules d'au moins 0,2 mm et d'au maximum 3 mm. - Produit selon l'une quelconque des revendications 1 à 7,
caractérisé en ce que
la proportion des granulés d'agent d'éclatement ayant une taille de particules inférieure à 0,2 mm est rendue minimale de 0 à 5 % en poids, pour laquelle il est préféré qu'au moins 90 % en poids des granulés d'agent d'éclatement possèdent une taille de particules d'au moins 0,3 mm et d'au maximum 1,6 mm. - Produit selon l'une quelconque des revendications 1 à 8,
caractérisé en ce que
le granulé d'agent d'éclatement contient le ou les agents d'éclatement en quantités allant de 50 à 100 % en poids, en particulier d'au moins 70 % en poids. - Produit selon l'une quelconque des revendications 1 à 8,
caractérisé en ce que
le granulé d'agent d'éclatement se présente sous forme co-granulée, et la teneur du ou des agents d'éclatement dans le granulé d'agent d'éclatement s'élève à plus de 20 % en poids et moins de 70 % en poids. - Produit selon l'une quelconque des revendications 1 à 10,
caractérisé en ce qu'
il renferme des granulés d'agent d'éclatement en quantité allant de 1 à 25 % en poids, de préférence de 2 à 15 % en poids, pour lesquelles des quantités allant jusqu'à 10 % en poids sont particulièrement préférées. - Produit selon l'une quelconque des revendications 1 à 11,
caractérisé en ce qu'
au moins 70 % en poids des constituants résiduels des corps moulés possèdent une taille de particules comprise entre 0,2 et 3 mm. - Produit selon l'une quelconque des revendications 1 à 12,
caractérisé en ce qu'
il possède des temps de délitement dans l'essai du Becher gradué (température 25°C) de moins de 3 minutes en particulier de moins de 2 minutes, et des temps de dissolution dans la machine à laver de moins de 8 minutes, en particulier de moins de 5 minutes. - Procédé d'obtention d'un corps moulé à action détergente ou nettoyante, conformément à l'une quelconque des revendications 1 à 13,
caractérisé en ce qu'
on effectue en premier lieu le mélange séché des granulés d'agent d'éclatement avec les constituants résiduels, et ensuite la mise en forme, en particulier la compression en tablettes. - Procédé selon la revendication 14,
caractérisé en ce qu'
au moins 70 % en poids des constituants résiduels des corps moulés possèdent une taille de particules comprise entre 0,2 et 3 mm. - Procédé selon la revendication 14 ou 15,
caractérisé en ce que
les constituants résiduels des corps moulés sont présents sous forme granulaire et/ou sont rassemblés dans un « compound » ou plusieurs « compounds ». - Utilisation d'un corps moulé de composition détergente, selon l'une quelconque des revendications 1 à 13, dans des machines à laver domestiques.
- Utilisation d'un corps moulé selon l'une quelconque des revendications 1 à 13 ou la revendication 17,
caractérisée en ce que
le corps moulé est introduit dans le jus de lavage par l'intermédiaire du dispositif de rinçage des machines à laver domestiques.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19710254 | 1997-03-13 | ||
DE19710254A DE19710254A1 (de) | 1997-03-13 | 1997-03-13 | Wasch- oder reinigungsaktive Formkörper für den Gebrauch im Haushalt |
PCT/EP1998/001203 WO1998040463A1 (fr) | 1997-03-13 | 1998-03-04 | Corps moules a action detergente ou nettoyante a usage menager |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0966518A1 EP0966518A1 (fr) | 1999-12-29 |
EP0966518B1 true EP0966518B1 (fr) | 2001-10-24 |
Family
ID=7823143
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98912437A Revoked EP0966518B1 (fr) | 1997-03-13 | 1998-03-04 | Corps moules a action detergente ou nettoyante a usage menager |
Country Status (16)
Country | Link |
---|---|
US (2) | US6506720B1 (fr) |
EP (1) | EP0966518B1 (fr) |
JP (1) | JP2001514690A (fr) |
CN (1) | CN1216976C (fr) |
AT (1) | ATE207529T1 (fr) |
CZ (1) | CZ295795B6 (fr) |
DE (2) | DE19710254A1 (fr) |
DK (1) | DK0966518T3 (fr) |
ES (1) | ES2166155T3 (fr) |
HK (1) | HK1025991A1 (fr) |
HU (1) | HUP0004864A3 (fr) |
PL (1) | PL188853B1 (fr) |
PT (1) | PT966518E (fr) |
RU (1) | RU2200756C2 (fr) |
SK (1) | SK285108B6 (fr) |
WO (1) | WO1998040463A1 (fr) |
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EP1095130B1 (fr) | 1998-07-15 | 2002-10-30 | Henkel Kommanditgesellschaft auf Aktien | Procede de fabrication de corps moules de produits de lavage et detergents multiphases |
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EP1004656B1 (fr) | 1998-11-11 | 2000-12-27 | DALLI-WERKE WÄSCHE- und KÖRPERPFLEGE GmbH & Co. KG | Granulé densifié, procédé pour sa fabrication et son utilisation comme désintégrant dans des corps formés par compactage |
EP1004661A1 (fr) | 1998-11-11 | 2000-05-31 | DALLI-WERKE WÄSCHE- und KÖRPERPFLEGE GmbH & Co. KG | Granulé de haute densité, procédé pour sa production, son utilisation en tant que désintégrant pour tablettes |
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-
1997
- 1997-03-13 DE DE19710254A patent/DE19710254A1/de not_active Ceased
-
1998
- 1998-03-04 DE DE59801863T patent/DE59801863D1/de not_active Revoked
- 1998-03-04 CN CN988032295A patent/CN1216976C/zh not_active Expired - Fee Related
- 1998-03-04 HU HU0004864A patent/HUP0004864A3/hu not_active Application Discontinuation
- 1998-03-04 DK DK98912437T patent/DK0966518T3/da active
- 1998-03-04 EP EP98912437A patent/EP0966518B1/fr not_active Revoked
- 1998-03-04 AT AT98912437T patent/ATE207529T1/de not_active IP Right Cessation
- 1998-03-04 PT PT98912437T patent/PT966518E/pt unknown
- 1998-03-04 JP JP53916498A patent/JP2001514690A/ja active Pending
- 1998-03-04 ES ES98912437T patent/ES2166155T3/es not_active Expired - Lifetime
- 1998-03-04 WO PCT/EP1998/001203 patent/WO1998040463A1/fr not_active Application Discontinuation
- 1998-03-04 SK SK1226-99A patent/SK285108B6/sk not_active IP Right Cessation
- 1998-03-04 PL PL98335445A patent/PL188853B1/pl unknown
- 1998-03-04 RU RU99122021/04A patent/RU2200756C2/ru not_active IP Right Cessation
- 1998-03-04 CZ CZ19993238A patent/CZ295795B6/cs not_active IP Right Cessation
-
1999
- 1999-09-03 US US09/396,549 patent/US6506720B1/en not_active Ceased
-
2000
- 2000-08-17 HK HK00105184A patent/HK1025991A1/xx not_active IP Right Cessation
-
2003
- 2003-04-16 US US10/414,962 patent/USRE39139E1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US6506720B1 (en) | 2003-01-14 |
WO1998040463A1 (fr) | 1998-09-17 |
ATE207529T1 (de) | 2001-11-15 |
PL335445A1 (en) | 2000-04-25 |
PT966518E (pt) | 2002-04-29 |
ES2166155T3 (es) | 2002-04-01 |
PL188853B1 (pl) | 2005-05-31 |
CN1250474A (zh) | 2000-04-12 |
CN1216976C (zh) | 2005-08-31 |
USRE39139E1 (en) | 2006-06-20 |
CZ295795B6 (cs) | 2005-11-16 |
SK285108B6 (sk) | 2006-06-01 |
DE19710254A1 (de) | 1998-09-17 |
JP2001514690A (ja) | 2001-09-11 |
SK122699A3 (en) | 2000-05-16 |
HUP0004864A3 (en) | 2003-03-28 |
CZ9903238A3 (cs) | 2000-12-13 |
RU2200756C2 (ru) | 2003-03-20 |
HUP0004864A2 (hu) | 2001-08-28 |
DE59801863D1 (de) | 2001-11-29 |
HK1025991A1 (en) | 2000-12-01 |
DK0966518T3 (da) | 2002-02-18 |
EP0966518A1 (fr) | 1999-12-29 |
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