EP1004661A1 - Verdichtetes Granulat, Herstellungsverfahren und Verwendung als Sprengmittel für gepresste Formkörper (2) - Google Patents

Verdichtetes Granulat, Herstellungsverfahren und Verwendung als Sprengmittel für gepresste Formkörper (2) Download PDF

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Publication number
EP1004661A1
EP1004661A1 EP98121392A EP98121392A EP1004661A1 EP 1004661 A1 EP1004661 A1 EP 1004661A1 EP 98121392 A EP98121392 A EP 98121392A EP 98121392 A EP98121392 A EP 98121392A EP 1004661 A1 EP1004661 A1 EP 1004661A1
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EP
European Patent Office
Prior art keywords
starch
derivatives
cellulose
meth
acrylic acid
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.)
Ceased
Application number
EP98121392A
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German (de)
English (en)
French (fr)
Inventor
Sascha Casteel
Elke Dr. Philippsen-Neu
Hans-Georg Dr. Hartan
Rainer Pöschmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dalli Werke Waesche und Korperpflege GmbH and Co KG
Stockhausen GmbH and Co KG
Original Assignee
Dalli Werke Waesche und Korperpflege GmbH and Co KG
Stockhausen GmbH and Co KG
Chemische Fabrik Stockhausen GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dalli Werke Waesche und Korperpflege GmbH and Co KG, Stockhausen GmbH and Co KG, Chemische Fabrik Stockhausen GmbH filed Critical Dalli Werke Waesche und Korperpflege GmbH and Co KG
Priority to EP98121392A priority Critical patent/EP1004661A1/de
Priority to HU9903992A priority patent/HUP9903992A3/hu
Priority to TR1999/02773A priority patent/TR199902773A3/tr
Priority to PL99336513A priority patent/PL336513A1/xx
Priority to US09/438,660 priority patent/US6221832B1/en
Publication of EP1004661A1 publication Critical patent/EP1004661A1/de
Ceased legal-status Critical Current

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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
    • C11D17/06—Powder; Flakes; Free-flowing mixtures; Sheets
    • 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
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/22—Carbohydrates or derivatives thereof
    • C11D3/222—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin
    • 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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/88—Ampholytes; Electroneutral compounds

Definitions

  • the invention is directed to granules that are particularly good at water records and forwards inside, which in some cases increases the volume takes place, so that the granules as disintegrants for pressed moldings, such as tablets.
  • Disintegrants for tablets or granules are auxiliary substances that disintegrate tablets or granules in contact with liquids, in particular Influence water positively.
  • the decay of Tablets in large parts and then a disintegration into smaller ones Particles are caused and accelerated.
  • inorganic and organic disintegrants for tablets are Substances known, for example inorganic substances such as bentonites, also persalts, acetates, alkali carbonates / hydrogen carbonates and citric acid.
  • organic compounds include starch, modified Starch and starch degradation products, cellulose, cellulose ethers, such as Methyl cellulose hydroxypropyl cellulose and carboxymethyl cellulose, poly (meth) acrylates, Polyvinyl pyrrolidone and cross-linked polyvinyl pyrrolidone, Alginates, gelatin and pectins.
  • an explosive granulate and its use in washing or cleaning-active moldings such as tablets, known a high adsorption capacity for water and a grain size distribution in which at least 90% by weight has a particle size of at least 0.2 mm and a maximum of 3 mm.
  • the granules preferably contain 25-100% by weight of disintegrants, such as starch, starch derivatives, cellulose, cellulose derivatives, Alginic acid, carboxylmethylamylopectin, polyacrylic acid, polyvinylpyrrolidone and polyvinyl polypyrrolidone.
  • disintegrants such as starch, starch derivatives, cellulose, cellulose derivatives, Alginic acid, carboxylmethylamylopectin, polyacrylic acid, polyvinylpyrrolidone and polyvinyl polypyrrolidone.
  • disintegrants such as starch, starch derivatives, cellulose, cellulose derivatives, Alginic acid, carboxylmethylamylopectin, poly
  • Citric acid is used as a disintegrant or citrates, bicarbonates and carbonates.
  • the explosives are used in quantities of 1 to 25% by weight as a single raw material or as a compound.
  • DE-A-44 04 279 describes the following disintegrants for washing or cleaning tablets: Starch, starch derivatives, cellulose, cellulose derivatives, microcrystalline cellulose, salts of polymeric polyacrylates or polymethacrylates, Methyl celluloses, hydroxypropyl celluloses or methyl hydroxypropyl celluloses. Acetates or percarbonates are also considered Called explosives. The application amounts are up to 15% by weight. There as a builder water-soluble silicates can be used with a Combination of poly (meth) acrylates and non-ionic cellulose ethers Even quantities of 1% by weight lead to very good results.
  • tablet disintegrants are incorporated into the tablet and preferably into the outer, solid shell of the tablet. Combinations of soluble acids and alkali carbonates are preferably used.
  • Other possible explosives can Handbook of Pharmaceutical Excipients (1986). Examples include: starch (modified starch, sodium starch gluconate), rubber (agar, guar, and others), cellulose, carboxymethyl cellulose, alginates, silicon dioxide, clay, polyvinylpyrrolidone, polysaccharides and ion exchange resins.
  • Detergent tablets the disintegrants
  • EP-A-0 552 766 contain that work according to four different mechanisms: swelling, Porosity / capillary action, deformation and chemical reaction.
  • Combinations of organic acids and bicarbonates are also mentioned the carbonates of alkali metals.
  • EP 0 628 627 A1 describes a water-soluble, water-softening agent Builder in the form of a tablet. Combinations are used as explosives from citric acid and / or partially neutralized polymers and carbonate and / or bicarbonate or an insoluble polyvinylpyrrolidone.
  • the object of the invention is to provide granules which swell rapidly and strongly in water, so that it is suitable as a disintegrant for pressed moldings in order to promote their disintegration on contact with water and the disadvantages described in the prior art, such as increasing the Correct tablet disintegration times using anionic and nonionic surfactants.
  • This object is achieved by a compacted granulate containing starch and / or starch derivatives and finely divided polymers / copolymers of (meth) acrylic acid or salts thereof and one or more liquid, gel-forming or thickening surfactants.
  • starch / starch derivatives used here also includes the group of polygalactomannans.
  • the starch / starch derivative is used in combination with water-swellable, high-purity cellulose / cellulose derivative. Up to about 95% by weight of the starch can be replaced by cellulose and or cellulose derivatives.
  • the weight ratio of starch / starch derivative: cellulose / cellulose derivative is preferably from 10: 1 to 1:10, weight ratios from 5: 1 to 1: 5 are very particularly preferred.
  • the water-swellable, preferably high-purity cellulose is used in the form of microcrystalline structures, the super-molecular structural elements being in the form of fibrils, in the longitudinal direction of which crystalline and amorphous regions can alternate. Fibrils of native cellulose with a maximum length of 300 ⁇ m have proven to be particularly suitable. Both microcrystalline and amorphous finely divided cellulose / cellulose derivatives and mixtures thereof can be used.
  • the finely divided cellulose preferably has bulk densities of 40 g / l up to 300 g / l, very particularly preferably from 65 g / l to 170 g / l. Become already used granulated types, their bulk density is higher and can be from 350 g / l to 550 g / l.
  • the bulk weights of the starch / starch derivatives can range from 50 g / l to 1000 g / l, preferably in Range from 100 g / l and 800 g / l.
  • the particle size of the finely divided cellulose can be between 30 ⁇ m and 200 ⁇ m, in the case of granulated types the average particle size is between 350 ⁇ m and 800 ⁇ m.
  • the polysaccharides of the starch / starch derivative type to be used according to the invention can be of different origins, for example Starch from rice, corn, wheat, potatoes and legumes. The corresponding ones too Flours with cellulosic plant components can be used become.
  • Cold-swelling or cold-soluble starches are preferably used.
  • Polygalactomannans such as guar or locust bean gum this property already in the native state and can directly or after slight modification.
  • Naturally starches that do not swell in cold water are preferred in the form of their derivatives used.
  • Chemically derivatized starches preferably contain Substituents. those by ester or ether groups in sufficient Number attached to the polysaccharide chains to ensure cold water swellability to convey.
  • Starches modified with ionic substituents such as carboxylate, hydroxyalkyl or phosphate groups have proven to be particularly advantageous proven and are therefore preferred.
  • cold water swelling Starches of the type of starches mined can be used, for example Acid, enzyme and oxidatively degraded starches or dextrinized Strengthen. It is often an advantage for the swelling property if the starch derivatives through a combination of degradation and chemical substitution be modified.
  • alkaline treated starches can be used because of their cold water solubility.
  • Strengths are the native strengths that result from physical treatment have acquired cold swellability. These include extruder starches, for example and drum dryer strengths.
  • fine-particle polymers of (meth) acrylic acid or copolymers of (meth) acrylic acid or salts thereof or mixtures thereof Polymers or copolymers or salts thereof with high water absorption contained in the granulate.
  • copolymers it is preferably copolymers of (meth) acrylic acid and maleic acid or maleic anhydride, for example 40 to 90% by weight (Meth) acrylic acid and 60 to 10% by weight of maleic acid or maleic anhydride contain, whose relative molar mass, based on free acids, between 3,000 and 100,000, preferably 3,000 to 70,000 and very particularly preferred Is 5,000 to 50,000.
  • Ter- and quattropolymeric polycarboxylates have also proven to be very suitable proven, made from (meth) acrylic acid, maleic acid and vinyl alcohol or vinyl alcohol derivatives, or those of (meth) acrylic acid, ethylenically unsaturated sulfonic acids and sugar derivatives, or such (Meth) acrylic acid, maleic acid, vinyl alcohol derivatives and sulfonic acid groups Monomers
  • Salt formation is preferably carried out with cations of alkali metals, Ammonia and amines, or their mixtures.
  • the finely divided polymers / copolymers of (meth) acrylic acid or salts preferably have the same of the cross-linked derivatives described above an average particle size of 45 ⁇ m to 150 ⁇ m. Most notably particle sizes from 45 ⁇ m to 90 ⁇ m are preferred.
  • Particles with average particle sizes over 150 ⁇ m show a good one Explosive effects, but are too large after swelling, become when washing filtered off and are visually as particles on the textile after washing visible.
  • Starch (derivatives) and optionally cellulose (derivatives) are made with polymers / copolymers of (meth) acrylic acid or salts thereof in the granulate combined, the weight ratio can be from 100: 0.5 to 100: 30, preferably from 100: 1 to 100: 20, a is particularly preferred Weight ratio from 100: 1 to 100: 10, the most favorable is a weight ratio from 100: 3.
  • the granulate contains one or more other essential constituents liquid, water-forming or thickening surfactants from the group of nonionic, anionic or amphoteric surfactants.
  • the nonionic surfactants are selected from alkyl polyglucosides, fatty acid alkylolamides, Fatty acid polyethylene glycol esters, fatty amine oxethylates, Fatty alcohol ethoxylates with 3-15 mol ethylene oxide or propylene oxide, Fatty acid glycerides. Sorbitan esters, sucrose esters, e.g. Sucrose palmitate, Pentaerythritol partial esters, which can also be ethoxylated, as well as alkylphenol polyethylene glycol ethers and phenol poly - ethylene glycol ethers (if they can be used in the respective country)
  • the anionic surfactants are selected from alkyl sulfates, linear and branched alkylbenzenesulfonates, alkylglycerol ethers, fatty alcohol polyethylene glycol ether sulfates, Paraffin sulfonates, alpha olefin sulfonates, Sulfosuccinates. Phosphoric acid esters and fatty alcohol ether carboxylates.
  • amphoteric surfactants are selected from coconut fatty acid amidopropyl betaine, modified imidazolines and fatty acid amide derivatives with betaine structure.
  • the quantitative ratio of starch (derivatives) and possibly cellulose (derivatives) and / or polymers / copolymers of (meth) acrylic acid or Salting the same: surfactant can range from 100: 1 to 10: 1.
  • the gel-forming or water-thickening surfactants can be anionic, be amphoteric or nonionic, particularly preferred are nonionic Surfactants.
  • liquid Surfactants first in direct contact with the starch (derivatives) and if necessary to bring and add cellulose (derivatives) and then the finely divided polymers / copolymers of (meth) acrylic acid or to introduce their salts into the mixture in such a way that the polymer particles adhere to the fibrils of cellulose / starch (derivatives).
  • the mixture of the granulate components according to the invention, starch (derivatives) and optionally cellulose (derivatives) and polymers / copolymers of (Meth) acrylic acid and nonionic surfactants are then made using conventional methods granulated.
  • mixers from Vomm, Lödige, Schugi, Eirich, Henschel or Fukae can be used.
  • the final compression is essential.
  • Compacting under Pressure can be applied in various ways.
  • Compaction on rolling mills has proven to be particularly suitable whose rollers run at different speeds, so that the pressure on the granules in the nip is still due to friction is added. This leads to the formation of a scale-like structure and alignment of the starch (derivatives) and optionally anisotropic cellulose (derivatives) in the granulate.
  • This orientation can be one of the reasons for the particularly cheap source kinetic behavior of this embodiment of the invention Be granules.
  • the compression of the granules should preferably be such that the compression Granules a bulk density of 100 g / l to 800 g / l, preferred from 200 g / l to 600 g / l, very particularly preferably from 300 g / l to 500 g / l having.
  • the disintegrant granules according to the invention are in the moldings in Contain amounts of 0.5 wt.% To 10 wt.%, Preferably 2 wt.% To 7 % By weight and particularly preferably 3% by weight to 6% by weight.
  • the specific water absorption capacity of the granules according to the invention can be determined gravimetrically as follows:
  • a defined amount of granulate (e.g. 2.00 g) is placed in a thin paper bag, sealed like a teabag and in a jar with one Excess water submerged. After 3 minutes of immersion, the bag removed from the water and hung for 10 minutes to drain. The bag is weighed and from the weight difference of a wet bag determines the water absorption with and without granules. For the determination can use distilled water or water of defined hardness become.
  • the water absorption which can be determined in this way is preferably 500 until 2000 %
  • the compacted granulate according to the invention is distinguished by a special one Swelling kinetics, the expansion changes depending on the Time is not linear and should reach a certain level after the shortest possible time to reach.
  • the increase in volume after 5 seconds is preferably 55% by volume to 225% by volume, the increase in volume being greater with higher compaction, ie higher bulk density.
  • the increase in volume is preferably 75% by volume to 270% by volume, the increase in volume likewise increasing with increasing bulk density.
  • the volume increases after 5 seconds contact with water from 55 vol.% to 100 vol.% and after 10 seconds from 75 vol.% to 130 vol.%
  • a bulk density of 400 g / l to 500 g / l the volume increase of 200 after 5 seconds Vol.% To 225 vol.% And after 10 seconds from 230 vol.% To 270 vol.%.
  • Figure 1 shows a diagram for the swelling kinetics of known explosives and granules according to the invention.
  • Table 1 contains the corresponding measured values. Swelling kinetics of different materials Bulk density [g / l] 70 90 90 300 300 450 450 Cellulose V 1 M1 V2 M2 V3 M3 Time [sec] Way [mm] Way [mm] Way [mm] Way [mm] Way [mm] Way [mm] Way [mm] Way [mm] 0 0 0 0 0 1 0.10 0.20 0.35 0.30 0.70 0.80 1.30 2nd 0.20 0.40 0.50 0.60 1.40 1.20 2.00 3rd 0.30 0.60 0.75 0.90 1.70 1.50 2.30 4th 0.35 0.70 0.95 1.00 1.90 1.60 2.45 5 0.40 0.85 1.10 1.10 2.10 1.70 2.50 6 0.42 1.00 1.40 1.15 2.30 1.72 2.60 7 0.44 1.10 1.50 1.20 2.40 1.80 2.70 8th 0.46 1.20 1.65 1.25 2.45 1.82 2.75 9 0.48 1.35 1.80 1.40 2.48 1.83 2.80 10th 0.48 1.40 1.95 1.50 2.50 1.85 2.
  • composition of the samples V1 to V3 is as in Table 3, example 1.
  • composition of the samples M1 to M3 is as in Table 3, Example 6. Volume expansion in vol.% Cellulose V1 M1 V2 M2 V3 M3 Bulk density in g / l 70 90 90 300 300 450 450 Volume increase after 5 sec vol.% 5 14 18th 61 110 210 240 after 10 sec vol.% 6 23 35 83 140 242 270
  • Formulation V1 has the composition of Example 1 in undensified form.
  • Formulation M1 has the composition of Example 6 in undensified form.
  • V2, M2 denote samples that were compressed to a bulk density of 300 g / l after mixing in a roller press.
  • V3 and M3 refer to samples which, after mixing, were compressed to a bulk density of 450 g / l using a roller press.
  • the increase in volume after 5 seconds is preferably at least 95%, particularly preferably ⁇ 150%.
  • Another object of the invention is a method for manufacturing a compacted granulate, the starch (derivatives) and optionally water-insoluble but swellable high-purity cellulose and fine particles Polymers / copolymers of (meth) acrylic acid or its salts and one or contains several liquid surfactants, by mixing starch (derivative) and optionally high purity cellulose with the surfactant (s) and mixing in Polymers / copolymers, granulation and subsequent compression of the granulate with alignment of the starch (derivatives) and optionally cellulose (derivatives).
  • the first step of the process involves a mixing and granulation process.
  • pre-compounds produced by agglomeration processes become. These precompounds form a free-flowing and coarse-grained Goods that have a certain degree of moisture.
  • the next step will be these precompounds are mechanically compressed.
  • the products can be between two pressure areas in roller compressors, e.g. B. smooth or profiled, compressed become. If certain sliding properties are available, the Compression in extruders or flat die presses to form dies.
  • the compactate is ejected as a strand. Compression methods in Matrices with stamps or pillow rollers produce compact forms such as tablets or briquettes. Roller compactors, Extruders, roller or cube presses, but also granulating presses be used. Below are the coarse, densified particles crushed, e.g. Suitable for mills, shredders or roller mills are.
  • the granulate according to the invention takes this quickly in contact with water with volume increase and is therefore suitable as a so-called Disintegrant for pressed moldings so that they quickly disintegrate in water.
  • the invention includes the use of the compacted granules as Disintegrants for pressed molded articles, for example tablets, cubes, Bullets and the like.
  • disintegrant for detergent formulations is particularly preferred, Detergent formulations, stain salts, water softeners in tablet or cube form.
  • Detergent tablets and detergent tablets for different Purposes, in the sanitary area or for dishwashers are generally known.
  • Such moldings must have sufficient stability and strength to enable handling, packaging and storage however, quickly disintegrate on contact with water, so that the components can have the desired effect.
  • the pressed moldings often contain so-called Disintegrants that due to the swelling behavior and the increase in volume Remove the cohesion of the shaped bodies and accelerate the disintegration.
  • Detergent formulations usually contain builders, bleaches and bleach activators, surfactants, tabletting aids, disintegrants and other common additives and auxiliaries.
  • Fillers can also form part of the builder system such as alkali carbonates, bicarbonates e.g. Sodium carbonate or sodium hydrogen carbonate, Sesquiocarbonates, sodium sulfate, magnesium sulfate, or citrate, citric acid, succinic acid, tartaric acid and malic acid his.
  • Cobuilders and dispersants are often used as auxiliary builders. Such cobuilders or dispersants can be polyacrylic acids and their sodium salts.
  • Copolymers of (meth) acrylic acid and maleic acid terpolymers and Quattropolymers of (meth) acrylic acid, maleic acid, vinyl alcohol and sulfo groups Vinyl compounds can be used.
  • Ter- and quattropolymeric polycarboxylates are also particularly preferred, made from (meth) acrylic acid, maleic acid and vinyl alcohol or Vinyl alcohol derivatives (as described in DE 43 00 772 C2) or those from (meth) acrylic acid, 2-alkylallylsulfonic acid and sugar derivatives (as described in DE 42 21 381 C1) or those made from (meth) acrylic acid, Maleic acid, vinyl alcohol derivatives and monomers with sulfonic acid groups (described in DE 19 516 957 A).
  • polyethylene glycol and / or polypropylene glycol with a Molecular weight of 900 - 30,000 suitable, as well as carboxylated polysaccharides, Polyaspartates and polyglutamate.
  • Customary bleaching agents are sodium perborate tetrahydrate and sodium perborate monohydrate, sodium percarbonate, peroxypyrophosphates, citrate perhydrates, as well as H 2 O 2 providing peracid salts, peracids, such as perbenzoates.
  • the bleach content in tablets is preferably 10-60% by weight and in particular 15-50% by weight.
  • activators can be incorporated.
  • Suitable bleach activators are the N-acyl and O-acyl compounds forming with H 2 O 2 organic peracids, preferably N, N'-tetraacylated diamines, carboxylic acid anhydrides and esters of polyols such as glucose pentaacetate. Acetylated mixtures of sorbitol and mannitol can also be used.
  • bleach activators are N, N, N ', N' -tetraacetylethylenediamine (TAED), 1,5-diacetyl-2,4-dioxo-hexahydro-1,2,5-triazine (DADHT) and acetylated sorbitol mannitol Mixtures (SORMAN).
  • TAED N, N, N ', N' -tetraacetylethylenediamine
  • DADHT 1,5-diacetyl-2,4-dioxo-hexahydro-1,2,5-triazine
  • SORMAN acetylated sorbitol mannitol Mixtures
  • cationic surfactants can also be present in detergent formulations, for example quaternary ammonium compounds with C 8 -C 16 N-alkyl or N-alkenyl groups and N-substituents such as methyl, hydroxyethyl or hydroxypropyl groups.
  • Polyalkylene glycols and magnesium stearates come as tableting aids into consideration.
  • Examples of other common detergent additives and auxiliaries are Enzymes, magnesium silicates, aluminum aluminates, benzotriazole, glycerin, Magnesium stearate, polyalkylene glycols, hexametaphosphate, phosphonates, bentonites, Soil release polymers, carboxymethyl celluloses.
  • Dishwashing tablets as an educational form of detergent formulations usually contain polyphosphates, pyrophosphates, Metaphosphates or phosphonates, layered silicates, amorphous silicates, amorphous disilicates and zeolites, as well as fillers such as sodium carbonate, Sodium sulfate, magnesium sulfate, sodium hydrogen carbonate, citrate as well Citric acid, succinic acid, tartaric acid and malic acid. Frequently are also used as auxiliary builders, cobuilders and dispersants. Such Cobuilders or dispersants can be polyacrylic acids or copolymers with polyacrylic acid and its sodium salts.
  • Customary bleaching agents are sodium perborate tetrahydrate and sodium perborate monohydrate, sodium percarbonate, peroxypyrophosphates, citrate perhydrates, as well as H 2 O 2 providing peracid salts, peracids, such as perbenzoates.
  • Peroxyphthalates, diperazelaic acid and diperdodecanedioic acids The content in the tablets is preferably 10-60% by weight and in particular 15-50% by weight.
  • Low-foaming non-ionic surfactants of the polyalkylene glycol and alkyl polyglucoside type are also used.
  • Examples of other common detergent additives and auxiliaries are here too enzymes, magnesium silicates, aluminum aluminates. Benzotriazole, Glycerin, magnesium stearate, polyalkylene glycols, hexametaphosphate as well Phosphonates.
  • Water softening tablets usually consist of builders such as Layered silicates, amorphous silicates, amorphous disilicates and zeolites, as well as fillers such as sodium carbonate, sodium sulfate, magnesium sulfate, Sodium bicarbonate, citrate and citric acid. Often called Auxiliary builders cobuilders and dispersants also used. Such cobuilders or dispersants can be polyacrylic acids or copolymers with polyacrylic acid and their sodium salts.
  • Low-foaming non-ionic surfactants of the polyalkylene glycol and alkyl polyglucoside type are also used.
  • Examples of other common detergent additives and auxiliaries are Magnesium silicates, polyalkylene glycols and phosphonates.
  • disintegrant compositions according to the teaching of the patent (all amounts in% by weight) .
  • Detergent tablet containing phosphate strength of the tablet and its Disintegration time using the granules of the above examples:
  • Phosphate-containing detergent tablets with the composition described in Table 3 were examined for their disintegration time and strength.
  • Table 5 shows the strength and disintegration time of the individual detergent tablets when using the different explosives:
  • Disintegrant composition according to example Disintegration time in sec Strength in N 1 35 62 2nd 25th 63 3rd 22 53 4th 21 64 5 19th 58 6 18th 56 7 18th 59 8th 17th 61
  • Phosphate-free detergent tablet strength of the tablet and its disintegration time using one of the granules of the aforementioned examples:
  • Amorphous disilicate 36 30th Fatty alcohol ethoxylate 2nd 7 Fatty alcohol sulfate 11 15 Linear alkyl benzene sulphonate 4th 2nd Sodium percarbonate 16 16 TAED 4th 4th Acrylate-maleate copolymer - 3rd soda 7 4th Sodium citrate 5 5 Microcrystalline cellulose (200 ⁇ m) 4th 4th Defoamer, optical brightener, CMC, phosphonate 5 4th Enzyme mix 1 1 Disintegrant preparation according to example 6 5 5 5 Recipe Disintegration time in sec Strength in N a) 40 68 b) 15 48
  • Example 11 Pressed molded articles with the intended use as a) Stain remover of the following composition:
  • Machine dishwashing detergent of the following composition:

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EP98121392A 1998-11-11 1998-11-11 Verdichtetes Granulat, Herstellungsverfahren und Verwendung als Sprengmittel für gepresste Formkörper (2) Ceased EP1004661A1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP98121392A EP1004661A1 (de) 1998-11-11 1998-11-11 Verdichtetes Granulat, Herstellungsverfahren und Verwendung als Sprengmittel für gepresste Formkörper (2)
HU9903992A HUP9903992A3 (en) 1998-11-11 1999-11-01 Caulked granulate, process for producing it and its use as a material for promoting decomposition
TR1999/02773A TR199902773A3 (tr) 1998-11-11 1999-11-10 Sikistirilmis granül, üretimi ve sulama maddesi olarak kullanimi.
PL99336513A PL336513A1 (en) 1998-11-11 1999-11-10 Pelletised material of increased density, method of obtaining same and method of making press-formed mouldings
US09/438,660 US6221832B1 (en) 1998-11-11 1999-11-12 Compacted granulate, process for making same and use as disintegrating agent for pressed detergent tablets, cleaning agent tablets for dishwashers, water softening tablets or scouring salt tablets

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP98121392A EP1004661A1 (de) 1998-11-11 1998-11-11 Verdichtetes Granulat, Herstellungsverfahren und Verwendung als Sprengmittel für gepresste Formkörper (2)

Publications (1)

Publication Number Publication Date
EP1004661A1 true EP1004661A1 (de) 2000-05-31

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EP98121392A Ceased EP1004661A1 (de) 1998-11-11 1998-11-11 Verdichtetes Granulat, Herstellungsverfahren und Verwendung als Sprengmittel für gepresste Formkörper (2)

Country Status (5)

Country Link
US (1) US6221832B1 (xx)
EP (1) EP1004661A1 (xx)
HU (1) HUP9903992A3 (xx)
PL (1) PL336513A1 (xx)
TR (1) TR199902773A3 (xx)

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DE19953026A1 (de) * 1999-11-04 2001-05-17 Cognis Deutschland Gmbh Sprengmittelgranulate
DE19953027A1 (de) * 1999-11-04 2001-05-23 Cognis Deutschland Gmbh Waschmitteltabletten
WO2022258453A1 (en) * 2021-06-07 2022-12-15 Unilever Ip Holdings B.V. A tablet composition
WO2023117494A1 (en) 2021-12-20 2023-06-29 Basf Se Polypropylene imine polymers (ppi), their preparation, uses, and compositions comprising such ppi

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DE10351321A1 (de) * 2003-02-10 2004-08-26 Henkel Kgaa Verstärkung der Reinigungsleistung von Waschmitteln durch eine Kombination von Cellulosderivaten
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DE19953026A1 (de) * 1999-11-04 2001-05-17 Cognis Deutschland Gmbh Sprengmittelgranulate
DE19953027A1 (de) * 1999-11-04 2001-05-23 Cognis Deutschland Gmbh Waschmitteltabletten
WO2022258453A1 (en) * 2021-06-07 2022-12-15 Unilever Ip Holdings B.V. A tablet composition
WO2023117494A1 (en) 2021-12-20 2023-06-29 Basf Se Polypropylene imine polymers (ppi), their preparation, uses, and compositions comprising such ppi

Also Published As

Publication number Publication date
TR199902773A2 (xx) 2000-09-21
TR199902773A3 (tr) 2000-09-21
HUP9903992A3 (en) 2000-09-28
HU9903992D0 (en) 2000-01-28
HUP9903992A2 (hu) 2000-08-28
PL336513A1 (en) 2000-05-22
US6221832B1 (en) 2001-04-24

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