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
  • C11D17/0065—Solid detergents containing builders
  • C11D17/0073—Tablets
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/02—Inorganic compounds ; Elemental compounds
  • C11D3/04—Water-soluble compounds
  • C11D3/042—Acids
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/02—Inorganic compounds ; Elemental compounds
  • C11D3/12—Water-insoluble compounds
  • C11D3/124—Silicon containing, e.g. silica, silex, quartz or glass beads
  • C11D3/1246—Silicates, e.g. diatomaceous earth
  • C11D3/1253—Layer silicates, e.g. talcum, kaolin, clay, bentonite, smectite, montmorillonite, hectorite or attapulgite
  • C11D3/1273—Crystalline layered silicates of type NaMeSixO2x+1YH2O
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/16—Organic compounds
  • C11D3/20—Organic compounds containing oxygen
  • C11D3/2075—Carboxylic acids-salts thereof
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/16—Organic compounds
  • C11D3/36—Organic compounds containing phosphorus
  • C11D3/361—Phosphonates, phosphinates or phosphonites
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/16—Organic compounds
  • C11D3/36—Organic compounds containing phosphorus
  • C11D3/364—Organic compounds containing phosphorus containing nitrogen
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/16—Organic compounds
  • C11D3/37—Polymers
  • C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
  • C11D3/3757—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions
  • C11D3/3761—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions in solid compositions
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/16—Organic compounds
  • C11D3/37—Polymers
  • C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
  • C11D3/378—(Co)polymerised monomers containing sulfur, e.g. sulfonate

Definitions

• the object of the present invention was to provide a builder composition to provide, which shows an improved release residue behavior.
• EP 0 650 926 describes the granulation of crystalline layered Sodium disilicate by roll compaction with the addition of hardening agents such as Water, silica sol, silica gel, surfactants, water glass, maleic acid-acrylic acid polymers and other copolymers. The goal is to produce a counter mechanical abrasion resistant granules.
• EP 0 849 355 describes a powder detergent and cleaning agent component, characterized in that it is a reaction product of a contains alkaline silicate and an acidic polycarboxylate.
• the scripture describes a manufacturing process, which is characterized in that an alkaline Silicate applies an acidic polycarboxylate solution, preferably with a Solid mixer and a nozzle device is operated.
• US 5,540,855 describes a particulate composition consisting of crystalline layered silicate and a solid water ionizable material selected from the group of organic acids, the Mixing ratio of silicate to acid about 3.5: 1 and the content of unbound moisture is less than 5% by weight.
• builder compositions based on crystalline layered sodium silicate which can be obtained by bringing crystalline layered sodium silicate into contact with water and an acidic, H + -releasing component in a certain ratio, the so obtained Builder compositions are then advantageously mechanically and / or thermally aftertreated, show an improved dissolving residue behavior.
• the water b) and / or the acidic component c) can also be in the gas or vaporous state with the crystalline layered sodium silicate a) in Be brought in contact.
• Components a), b) and c) are advantageously brought into contact with one another by mixing.
• Suitable mixers are, for example, Lödige mixers, ploughshare mixers, Eyrich mixers and Schugi mixers.
• the mixing times are preferably 0.5 s to 60 min, particularly preferably 2 s to 30 min.
• the acidic component c) and the water b) are first mixed and then the mixture thus obtained is mixed with the crystalline layered sodium silicate a).
• the acidic component c) is first mixed with the crystalline layered sodium silicate a) and then the water b) is mixed in.
• the water b) is first mixed with the crystalline layered sodium silicate a) and then the acidic component c) is mixed in.
• the acidic component c) is mixed with part of the water b), then mixed with the crystalline layered sodium silicate a) and finally the rest of the water b) is mixed.
• the water b) and the acidic component c) can be added to the crystalline layered sodium silicate a) at ambient temperature, but also at elevated temperature. Temperatures from 0 to 400 ° C. are preferred, particularly preferably from 10 to 200 ° C. The heat can be brought in by external heating. If necessary, all components or only a few can be preheated.
• the molar ratio d) of the crystalline layered sodium silicate a) to the total amount of the dispensable H + of the acidic component c) is preferably 5: 1 to 550: 1, particularly preferably 15: 1 to 150: 1.
• the molar ratio e) of water b) to the total amount that can be dispensed H + of the acidic component c) is preferably 4: 1 to 110: 1, particularly preferably 6: 1 to 85: 1.
• the sodium silicates a) are preferably those with x values of 2, 3 or 4. Sodium disilicates Na 2 Si 2 O 5 * yH 2 O with x equal to 2 are particularly preferred.
• the sodium silicates a) can also be are mixtures.
• Crystalline layered sodium disilicate consists of changing percentage of the polymorphic phases alpha, beta, delta and epsilon together. Commercial products can also contain amorphous components his.
• Preferred crystalline layered sodium silicates a) contain 0 to 40% by weight of alpha sodium disilicate, 0 to 40% by weight of beta sodium disilicate, 40 to 100% by weight of delta sodium disilicate and 0 to 40% by weight of amorphous components.
• Particularly preferred crystalline layered sodium silicates a) contain 7 to 21% by weight of alpha sodium disilicate, 0 to 12% by weight of beta sodium disilicate and 65 to 95% by weight of delta sodium disilicate. Crystalline layered sodium silicates a) with a content of 80 to 100% by weight delta sodium disilicate are particularly preferred.
• crystalline layer-like can also Sodium silicates a) with a content of 80 to 100 wt .-% beta sodium disilicate be used.
• alpha-sodium disilicate corresponds to Na-SKS-5 described in EP-B-0 164 514, characterized by the X-ray diffraction data reproduced there, which are assigned to alpha-Na 2 Si 2 O 5 , the X-ray diffraction diagrams of the Joint Committee of Powder Diffraction standards with the numbers 18-1241, 22-1397, 22-1397A, 19-1233, 19-1234 and 19-1237 are registered.
• the aforementioned beta-sodium disilicate corresponds to the Na-SKS-7 described in EP-B-0 164 514, characterized by the X-ray diffraction data shown there, which are assigned to the beta-Na 2 Si 2 O 5 , the X-ray diffraction diagrams of the Joint Committee of Powder Diffraction standards with the numbers 24-1123 and 29-1261 are registered.
• the aforementioned delta sodium disilicate corresponds to the Na-SKS-6 described in EP-B-0 164 514, characterized by the X-ray diffraction data shown there, which are assigned to the delta-Na 2 Si 2 O 5 , its X-ray diffraction diagrams at the Joint Committee of Powder Diffraction standards are registered with the number 22-1396.
• the crystalline layered sodium silicates a) contain additional cationic and / or anionic constituents.
• the cationic constituents are preferably alkali metal ions and / or alkaline earth metal cations and / or Fe, W, Mo, Ta, Pb, Al, Zn, Ti, V, Cr, Mn, Co and / or Ni.
• the anionic constituents are preferably sulfates, fluorides, chlorides, bromides, iodides, carbonates, hydrogen carbonates, nitrates, oxide hydrates, phosphates and / or borates.
• the crystalline layered sodium silicates based on the total SiO 2 content, contain up to 10 mol% boron. In a further preferred embodiment, the crystalline layered sodium silicates contain up to 20 mol%, based on the total SiO 2 content. % Phosphorus.
• the crystalline layered sodium silicate is preferred as a powder with a average particle size of 0.1 to 4000 ⁇ m, particularly preferably 10 to 500 ⁇ m, particularly preferably 20 to 200 microns, used.
• the acidic, H + -releasing component c) can be inorganic acids, organic acids, acidic salts or mixtures thereof.
• the acidic component c) is preferably protonic acids whose anions contain boron, carbon, silicon, nitrogen, phosphorus, arsenic, antimony, sulfur, selenium, tellurium, fluorine, chlorine and / or bromine, monocarboxylic acids, dicarboxylic acids, tricarboxylic acids, Oligocarboxylic acids, polycarboxylic acids, homo- and / or copolymers based on monomers of acrylic acid, maleic acid, vinyl sulfonic acid, vinyl acetate, aspartic acid and / or sugar carboxylic acid, sodium hydrogen sulfate and / or sodium hydrogen carbonate.
• polycarboxylic acids are those as in GB-A-1,596,756.
• acidic component c) are sulfuric acid, silicas, Sulfonic acids, phosphoric acid, phosphonic acids, particularly preferred 1-hydroxyethane-1,1-diphosphonic acid and aminopolymethylenephosphonic acid, Hydrochloric acid, boric acid, carbonic acid, acetic acid, citric acid, ascorbic acid, Glutaric acid, gluconic acid, glucolic acid, succinic acid, tartaric acid, Hydroxy succinic acid, maleic acid, malonic acid, oxalic acid, polyacrylic acids with Molecular weights from 200 to 10000 g / mol, copolymers based on acrylic acid and Maleic acid with molecular weights from 2000 to 70000g / mol and / or Sodium bisulfate.
• acidic component c) are sulfuric acid, Silica, acetic acid, citric acid, polyacrylic acid with a molecular weight of 1000 up to 5000 g / mol, copolymers based on monomers of acrylic acid and maleic acid Molecular weights from 4000 to 70000g / mol and / or sodium hydrogen sulfate.
• Sulfuric acid is very particularly preferred as acidic component c).
• the acidic component comprises c) a pK s value of less than. 11
• the composition obtained is still mechanical and / or thermal further treated.
• the after contacting the Components a), b) and c) ground composition obtained and then optionally fractionated.
• Vibratory mills are preferred for grinding, Ball mills, roller and pendulum roller mills (e.g. from Neuman & Eater), hammer mills, impact mills or air jet mills (e.g. those from Hosokawa-Alpine).
• the regrind is classified into oversize, undersize and undersize, preferably by Sifting and / or screening. Screening is particularly preferred. Suitable sieves are e.g. those of the companies Rhewum, Locker or Allgeier.
• the composition obtained after bringing components a), b) and c) into contact is compacted, then ground and then optionally fractionated.
• the compacting step leads to a further improvement in the dissolving residue behavior.
• the compacting is preferably a roll compacting, a press granulation or a briquetting, particularly preferably a roll compacting.
• the temperature of the material during the compacting is preferably between 10 and 200 ° C., the desired temperature being able to be controlled by external heating / cooling or by the frictional heat being released by itself.
• the pressing pressure is preferably between 2 and 200 kN / cm roller width, particularly preferably between 10 and 100 kN / cm roller width.
• Suitable roll compactors are, for example, those from the companies Hosokawa-Bepex and Alexanderwerk. The flakes produced during roll compaction are crushed with mills of the relevant type and, if necessary, grain fractionated
• the compacting can be carried out discontinuously or in batch mode continuously. With continuous operation, the undersize is in a circular mode fed back into the compactor and the coarse grain is returned to the mill.
• Compacting aids preferably water, water glass, polyethylene glycols, nonionic surfactants, anionic surfactants, polycarboxylate copolymers, modified and / or unmodified celluloses, bentonites, hectorites, saponites and / or others Detergent ingredients are added.
• heat treatment of the builder composition leads to a further improvement in the dissolving residue behavior.
• the heat treatment can be carried out directly after bringing the components a), b) and c) into contact or else it can be carried out after the compacting, after the grinding or after the grain fractionation. Multiple heat treatments at different process stages are also within the meaning of the invention.
• the heat treatment is preferably carried out at temperatures between 30 and 400 ° C, particularly preferably between 40 and 150 ° C.
• the duration of the heat treatment is preferably 0.5 to 1000 min, particularly preferably 2 to 120 min.
• Suitable devices for heat treatment are, for example, fluidized beds, belt and tunnel ovens, flight conveyors and storage containers.
• a method is particularly preferred in which after contacting the Components a), b) and c) first heat treated, then compacted, then is ground and then optionally fractionated.
• the builder composition according to the invention is preferably in the form of a powder an average particle size of 0.1 to 4000 microns, particularly preferably 10 to 500 microns, particularly preferably 20 to 200 microns, used.
• the builder composition according to the invention as granules with an average particle size of 200 to 2000 ⁇ m, preferably 400 to 900 ⁇ m, used.
• the use of the builder composition according to the invention is likewise preferred as ground granules with an average particle size of 0.1 to 300 microns, preferably 10 to 200 microns.
• the builder compositions according to the invention are preferred characterized in that the dissolving residue of a 0.25% aqueous Solution, at 20 ° C and after 20 minutes of stirring, less than or equal to 50%, preferred is less than or equal to 30%.
• the invention also includes detergents and cleaning agents at least one of the builder compositions according to the invention.
• the detergents are preferably heavy duty detergents, compact heavy duty detergents, Compact color detergent, full detergent with low bulk density, Special detergents, e.g. Stain salts, bleach boosters, curtain detergents, Wool detergents, modular detergents and industrial detergents.
• the cleaning agents are preferably machine dishwashers and dishwasher detergent.
• silicates mainly because of their good ones Dirt dispersion, its high alkalinity and because of its protective effect for the Glass asked.
• Glass damage means both the formation of layered deposits on glasses as well as erosion of the glass surface - Both lead to the known undesirable cloudiness of glasses.
• Special detergents and cleaning agents contain 1 to 50% by weight, e.g. Heavy duty detergents, color detergents, water softeners and stain salts, or 60 to 100% by weight, e.g. Modular detergent systems, the builder composition according to the invention.
• the cobuilders are preferably crystalline aluminosilicates, mono-, oligo- or polymeric or copolymeric carboxylic acids, alkali carbonates, alkali ortho-, Alkaline pyro- and alkali polyphosphates, crystalline layered silicates, crystalline Alkali silicates without layer structure and / or X-ray amorphous alkali silicates.
• the bleaching systems are preferably active chlorine carriers and / or organic or inorganic active oxygen carriers, bleach activators (e.g. TAED), Bleaching catalysts, enzymes for removing discoloration, perborates and / or Percarbonates.
• bleach activators e.g. TAED
• Bleaching catalysts enzymes for removing discoloration, perborates and / or Percarbonates.
• the surface-active substances are preferably anionic, cationic, non-ionic and / or zwitterionic surfactants.
• Suitable surfactants are polyhydroxy fatty acid amides of the formula R 2 -CO-N (R 3 ) -Z, in which R 2 CO for an aliphatic acyl radical having 6 to 22 carbon atoms, R 3 for hydrogen, an alkyl or hydroxyalkyl radical with 1 to 4 carbon atoms and Z represents a linear or branched polyhydroxyalkyl radical having 3 to 10 carbon atoms and 3 to 10 hydroxyl groups.
• Alkyl glycosides of the general formula RO (G) x are preferably used, where R is a primary straight-chain or methyl-branched, in particular methyl-branched, aliphatic radical having 8 to 22, preferably 12 to 18 carbon atoms and G is a glycose unit with 5 or 6 carbon atoms, preferably for glucose.
• the degree of oligomerization x which indicates the distribution of monoglycosides and oligoglycosides, is preferably a number between 1 and 10, particularly preferably x is between 1.2 and 1.4.
• the anionic surfactants can be in the form of their sodium, potassium or ammonium salts, and also as soluble salts of organic bases, such as mono-, di- or triethanolamine.
• the anionic surfactants are preferably in the form of their sodium or potassium salts, in particular in the form of the sodium salts.
• the pH regulators are preferably soda, citric acid, sodium citrate and / or bicarbonate.
• detergents and cleaning agents can optionally also contain enzymes, such as. Protease, amylase, lipase and cellulase.
• the invention also relates to components for modular detergent systems, which preferably 60 to 100 wt .-% of the builder composition according to the invention contain.
• the invention further relates to water softeners which have at least one of the contain builder compositions according to the invention.
• Practice water softener a performance-enhancing effect, especially in regions with high water hardness the washing result and a protective effect with regard to the washing machine.
• Components a), b), c) and d) are preferably those listed above Connections used.
• the builder composition according to the invention can also expressly be used as Component for the production of compounds for detergents and cleaning agents, Water softener and modular detergent systems can be used.
• Compounds can achieve special effects.
• liquid Components in powder or tablet detergents and cleaning agents be incorporated.
• coloring or sprinkling of washing and cleaning agents possible. It can also be used for special Disintegration effects, better dispersion of difficult to disperse Achieve components or the porosity of tablets.
• the detergents, cleaning agents, water softeners and modular components can be used, for example, in powder form, granule form, gel form, liquid form or tablet form.
• the respective composition is pressed into the corresponding shape by means of a tablet press, the shape being able to take many forms (for example cylindrical, cuboid, elliptical, annular, etc.).
• the ratio of radius to height can be between 0.2 to 5.
• the pressure can be between 12 and 0.3 kN / cm 2 .
• the compression pressure is essentially independent of the geometric shape of the tablet.
• pressures of 0.7 to 14.2 kN / cm 2 are preferred, pressures of 2.8 to 10 kN / cm 2 are particularly preferred.
• Multistage pressing into more complex shapes is also preferred.
• the division into different compartments serves a certain separation of otherwise incompatible ingredients.
• any proportions of the formulation are pressed onto one another in several steps, so that several layers result.
• a layer thickness ratio of the two layers of 1:10 to 10: 1 is particularly preferred.
• Other forms of application are, for example, tablets with inserted spherical compartments.
• the different layers and compartments of the tablets can also be colored differently.
• the crystalline proportions in percent by weight are calculated from the intensities I a , I b and I d - measured in pulses - of the alpha, beta and delta phase according to the following formulas:
• Alpha content A [%] 100 * I a / (I a + I b + I d )
• Beta content B [%] 1.41 * 100 * I b / (I a + I d )
• Delta content D [%] 100 - A - D
• the inserts with the desired sieves are inserted into a Retsch sieving machine.
• the mesh size of the sieves decreases from top to bottom.
• 50 g of the powder to be examined are placed on the widest sieve.
• the powder material is conveyed through the various sieves by the oscillating movement of the sieving machine.
• the residues on the sieves are weighed and calculated based on the weight of the material.
• the d 50 value can be calculated from the values.
• the optical brighteners are melted in a quarter of the amount Stirred alkyl ethoxylates and in a household multimixer (Braun) with the Half of the soda or bicarbonate or phosphate amount mixed.
• Ploughshare mixers from Lödige become the remaining soda and the total quantities on builder composition according to the invention, phosphate, zeolite, bicarbonate, Citric acid or polymer mixed for 15 minutes at 300 rpm. After that the Half of the remaining alkyl ethoxylate sprayed on in 5 minutes. After that the Builder composition according to the invention added and 10 minutes mixed. Then the remainder of the second half of the alkyl ethoxylate is added to further Sprayed on for 5 minutes.
• the dissolving residue, the bulk density and the average particle diameter d 50 are determined from a commercially available crystalline layered sodium disilicate granulate (SKS-6 granulate, Clariant GmbH). The measured values are summarized in Table 1.
• Example 5 The material from Example 5 is in a roll compactor at a pressure of 32 kN / cm roll length processed. About 5 kg of good grain are obtained, of which the Residue is determined (see Table 1). The release residue behavior is improved over Examples 1, 2, 3, 4 and 5. Based on X-ray powder diffractometry shows that the proportions of the polymorphic Disilicate phases have not changed: alpha disilicate 19.3%, beta disilicate 9.9%, Delta disilicate 70.8%.
• Example 6 4 kg of the material from Example 6 are ballmilled for about 45 minutes U 280A0 from Welte, which is metal-lined on the inside and whose drum moves with it rotates approx. 50 rpm, ground. 44 kg of porcelain balls are used as grinding media used. Through grinding, the dissolving residue behavior compared to Granules from Example 6 improved (see Table 1 and see Example 6).
• crystalline is produced in two batches layered sodium disilicate powder from Example 2 with a solution 96% sulfuric acid and water in those given in Table 1 Ratios of 9 kg powder mixture mixed.
• the mixture is in one Drying oven heat treated at 85 ° C for 1 hour and then in one Roll compactor processed at a pressure of 32 kN / cm roller length. It approx. 4 kg of good grain are obtained, from which the dissolving residue is determined (see Table 1).
• the lower water-to-acid ratio compared to example 6 brings about a deteriorated release residue behavior.
• crystalline is produced in two batches layered sodium disilicate powder from Example 2 with a solution 96% sulfuric acid and water in the given in Table 1 Ratios of 9 kg powder mixture mixed.
• the mixture is in one Drying oven heat-treated at 85 ° C for 1 hour and then in a roller compactor processed at a pressure of 100 kN / cm roller width. It will be about 4 kg Obtain good grain, from which the dissolving residue is determined (see Table 1). Despite of the changed pressure, the release residue behavior is similarly good as in Example 6.
• crystalline layered sodium disilicate powder from Example 13 is mixed in two batches with a solution of acidic polycarboxylate (from Stockhausen, type W78230, 45% solution, 9.5 mmol H + / g active substance) and water mixed the proportions given in Table 1 to 9 kg powder mixture.
• the mixture is not heat-treated but processed directly in a roller compactor at a pressure of 50 kN / cm roller width. Approx. 4 kg of good grain are obtained, from which the dissolving residue is determined (see Table 1).
• the dissolving residue behavior is significantly better than in Comparative Example 15.
• a water softener formulation is used in the Lödige ploughshare mixer prepared according to Table 2, the solid components at 15 minutes 300 rpm are mixed. The alkyl ethoxylate is melted and under Mix sprayed on.
• Machine dishwashing detergent with the compositions according to Table 3 manufactured.
• a machine dishwashing gel with the one shown in Table 4 The composition is prepared in such a way that in a dispersant (Ultraturrax, Hanke and Kunkel) water glass, phosphate, soda, sodium hydroxide, phosphonate, Polymer, alkanesulfonate, phosphoric acid ester mixed together.
• a dispersant Ultraturrax, Hanke and Kunkel

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  • 2000-11-14 DE DE10056346A patent/DE10056346A1/de not_active Withdrawn
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