WO1994014946A1 - Granulare wasch- und/oder reinigungsmittel - Google Patents
Granulare wasch- und/oder reinigungsmittel Download PDFInfo
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- WO1994014946A1 WO1994014946A1 PCT/EP1993/003524 EP9303524W WO9414946A1 WO 1994014946 A1 WO1994014946 A1 WO 1994014946A1 EP 9303524 W EP9303524 W EP 9303524W WO 9414946 A1 WO9414946 A1 WO 9414946A1
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- 230000003472 neutralizing effect Effects 0.000 description 1
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 description 1
- SXLLDUPXUVRMEE-UHFFFAOYSA-N nonanediperoxoic acid Chemical compound OOC(=O)CCCCCCCC(=O)OO SXLLDUPXUVRMEE-UHFFFAOYSA-N 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 238000006384 oligomerization reaction Methods 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- 150000004967 organic peroxy acids Chemical class 0.000 description 1
- VGTPKLINSHNZRD-UHFFFAOYSA-N oxoborinic acid Chemical class OB=O VGTPKLINSHNZRD-UHFFFAOYSA-N 0.000 description 1
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002304 perfume Substances 0.000 description 1
- 150000004965 peroxy acids Chemical class 0.000 description 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 159000000001 potassium salts Chemical class 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- WSHYKIAQCMIPTB-UHFFFAOYSA-M potassium;2-oxo-3-(3-oxo-1-phenylbutyl)chromen-4-olate Chemical compound [K+].[O-]C=1C2=CC=CC=C2OC(=O)C=1C(CC(=O)C)C1=CC=CC=C1 WSHYKIAQCMIPTB-UHFFFAOYSA-M 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 239000008237 rinsing water Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 150000004671 saturated fatty acids Chemical class 0.000 description 1
- 150000003333 secondary alcohols Chemical class 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- HLBBKKJFGFRGMU-UHFFFAOYSA-M sodium formate Chemical compound [Na+].[O-]C=O HLBBKKJFGFRGMU-UHFFFAOYSA-M 0.000 description 1
- 235000019254 sodium formate Nutrition 0.000 description 1
- 239000012418 sodium perborate tetrahydrate Substances 0.000 description 1
- 229940045872 sodium percarbonate Drugs 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 235000019832 sodium triphosphate Nutrition 0.000 description 1
- RPACBEVZENYWOL-XFULWGLBSA-M sodium;(2r)-2-[6-(4-chlorophenoxy)hexyl]oxirane-2-carboxylate Chemical compound [Na+].C=1C=C(Cl)C=CC=1OCCCCCC[C@]1(C(=O)[O-])CO1 RPACBEVZENYWOL-XFULWGLBSA-M 0.000 description 1
- IBDSNZLUHYKHQP-UHFFFAOYSA-N sodium;3-oxidodioxaborirane;tetrahydrate Chemical compound O.O.O.O.[Na+].[O-]B1OO1 IBDSNZLUHYKHQP-UHFFFAOYSA-N 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 229940012831 stearyl alcohol Drugs 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- KUCOHFSKRZZVRO-UHFFFAOYSA-N terephthalaldehyde Chemical compound O=CC1=CC=C(C=O)C=C1 KUCOHFSKRZZVRO-UHFFFAOYSA-N 0.000 description 1
- TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical class CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
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
- C11D11/00—Special methods for preparing compositions containing mixtures of detergents
-
- 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
- C11D11/00—Special methods for preparing compositions containing mixtures of detergents
- C11D11/0082—Special methods for preparing compositions containing mixtures of detergents one or more of the detergent ingredients being in a liquefied state, e.g. slurry, paste or melt, and the process resulting in solid detergent particles such as granules, powders or beads
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
- C11D17/06—Powder; Flakes; Free-flowing mixtures; Sheets
- C11D17/065—High-density particulate detergent 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
- C11D3/39—Organic or inorganic per-compounds
- C11D3/3942—Inorganic per-compounds
Definitions
- the invention relates to a process for the production of granular detergents and / or cleaning agents with a bulk density of 600 to 1100 g / 1, free-flowing, dust-free and non-greasy granules being obtained by suitably chosen process conditions.
- a number of processes for the discontinuous or continuous production of compacted granules are known in the prior art. Snow-running, high-speed mixers / granulators are used, or mixers / granulators are connected in series. For example, granulations in a high-speed, high-speed mixer / granulator are disclosed in EP-A-0351 937 and EP-A-0339996.
- the object of the present invention is to adjust the bulk density of the detergents and / or cleaning agents, i.e. in particular the desired increase in bulk density to be carried out in a subsequent preparation stage which is carried out after granulation or spray drying.
- the aforementioned object is achieved by a process for the production of granular detergents and / or cleaning agents with a bulk density in the range from 600 to 1100 g / 1, wherein (a) in a first step, a basic granulate free of bleach and essentially free of non-surfactants is produced by granulation and / or spray drying,
- the basic granules are mixed with bleach and nonionic surfactants with energy input in a mixer / granulator and
- the final and targeted adjustment of the bulk density of the granular detergents and / or cleaning agents between 600 and 1100 g / 1 now takes place in the first preparation stage (b) by the energy input during the mixing of the base granules with bleaching agent and nonionic surfactants and not during the granulation in first method step (a).
- the bleach-free and essentially non-ionic surfactant-free base granules can be produced by the processes known in the prior art.
- the granules which are to be further compacted in the preparation stage (b) can thus be obtained, for example, by spray drying or by granulation, as is known per se in the prior art.
- the base granulate should contain practically no substantial amounts of non-ionic surfactants.
- small amounts of nonionic surfactants which are used, for example, as stabilizers for zeolite, can already be present in the basic granules.
- Low-speed mixers / granulators which are preferably used for the production of the basic granules are the commercially available ploughshare mixers or intensive mixers.
- the granulation is usually carried out in a time of 0.5 to 10 minutes, the average residence time being between 1 and 6 minutes.
- the wet granules obtained in this way can be dried, for example, in a fluidized bed.
- tower powder mixture of anionic surfactants which is free from bleaching agents and essentially free of nonionic surfactants, Builders, polymeric carboxylates, water glass and water, a basic granulate with a density of 600 to 900 g / 1 can be obtained.
- a poorly flowing, greasy product with a bulk density of 600 to 650 g was obtained in the first preparation stage.
- a significant increase in bulk density to, for example, 850 g / l is obtained due to the energy input.
- a corresponding increase in the bulk density can also take place in a high-speed mixer by means of a comparable energy input.
- a dry, free-flowing product with a broad grain spectrum was obtained in both variants.
- the above-mentioned low-speed mixers / granulators can preferably be used here as mixers / granulators.
- bleach activators and, if appropriate, further ingredients, in particular fragrances and enzymes are then added to the granules containing bleach and nonionic surfactants.
- further ingredients in particular fragrances and enzymes
- this can be done in a particularly gentle manner by spraying.
- fragrance in particular the addition of fragrance at this point brings about an additional product dedusting.
- the inventive method for the production of granular detergents and / or cleaning agents in particular the time-delayed addition of Bleaches and non-ionic surfactants in a first treatment stage after one
- the exact setting of the bulk density is possible in particular through the energy input, for example into the mixture to be granulated, a high energy input being achieved over long dwell times and over the number and speed of the cutter heads to be used.
- a high energy input can also be achieved using high-speed mixing tools in a high-speed mixer / granulator with shorter dwell times. Higher energy inputs result in correspondingly heavier granules.
- the bulk density can also be adjusted at least slightly by the choice of the temperatures during the granulation. It is known to vary the bulk density in the range from 30 to 80 g / 1, in particular up to 60 g / 1, by changing the temperature of the basic granules when entering the preparation stage.
- solid ingredients of washing and / or cleaning agents per se can be used as solid constituents of the washing and / or cleaning agents obtained according to the invention.
- Preferred solid constituents are anionic surfactants, inorganic and / or organic niche builder substances, alkaline and neutral salts, bleach and
- the known sulfonates, sulfates and soaps are suitable as anionic surfactants.
- Anionic surfactants used are, for example, those of the sulfonate and sulfate type.
- Preferred surfactants of the sulfonate type are Cg-Ci3-alkylbenzenesulfonates, olefin sulfonates, i.e. Mixtures of alkene and hydroxyalkanesulfonates and disulfonates, such as those obtained, for example, from Ci2-Ci8-onoolefins with a terminal or internal double bond by sulfonation with gaseous sulfur trioxide and subsequent alkaline or acidic hydrolysis of the sulfonation products.
- alkane sulfonates which are obtained from C 1 -C 4 -alkanes, for example by sulfochlorination or sulfoxidation with subsequent hydrolysis or neutralization.
- esters of o-sulfo fatty acids e.g. the sulfonated methyl esters of hydrogenated coconut, palm kernel or Taig fatty acids.
- Suitable surfactants of the sulfate type are the sulfuric acid monoesters from primary alcohols of natural and synthetic origin, in particular from fatty alcohols, for example from coconut oil alcohol, tallow fatty alcohol, oleyl alcohol, lauryl, myristyl, cetyl or stearyl alcohol, or the CiQ-C20-0xoalko pick, and those secondary alcohols of that chain length.
- the sulfuric acid monoesters of the alcohols ethoxylated with 1 to 6 mol of ethylene oxide, such as 2-methyl-branched Cg-Cu alcohols with an average of 3.5 mol of ethylene oxide, are also suitable.
- Mixtures in which the proportion of the alkyl radicals is 50 to 70% by weight on CJ ⁇ I 18 to 30% by weight (44, 5 to 15% by weight on Ci, below 3 % By weight on C10 and less than 10% by weight on (3 are distributed.
- Preferred anionic surfactants are also the salts of alkylsulfosuccinic acid, which are also referred to as sulfosuccinates or as sulfosuccinic acid esters and the monoesters and / or diesters of sulfosuccinic acid with Al- represent alcohols, preferably fatty alcohols and especially ethoxylated fatty alcohols.
- Preferred sulfosuccinates contain Cg to Ciß fatty alcohol residues or mixtures thereof.
- Particularly preferred sulfosuccinates contain a fatty alcohol residue which is derived from ethoxylated fatty alcohols, which are nonionic surfactants when viewed in isolation.
- sulfosuccinates whose fatty alcohol residues are derived from ethoxylated fatty alcohols with a narrow homolog distribution are particularly preferred.
- Preferred anionic surfactant mixtures contain combinations of fatty alkyl sulfates (FAS), alkylbenzenesulfonates (ABS), methyl ester sulfonates (MES) and / or sulfosuccinates.
- FES fatty alkyl sulfates
- ABS alkylbenzenesulfonates
- MES methyl ester sulfonates
- Mixtures are particularly preferred which contain FAS and ABS, FAS and sulfosuccinates, ABS and sulfosuccinates in any ratio as anionic surfactants.
- Suitable anionic surfactants are, in particular, soaps, preferably in amounts of 0.5 to 8% by weight.
- Saturated fatty acid soaps are suitable, such as the salts of lauric acid, myristic acid, palmitic acid or stearic acid, and in particular soap mixtures derived from natural fatty acids, for example coconut, palm kernel or tallow fatty acids.
- soap mixtures are preferred which are 50 to 100% by weight saturated and are composed of 0 to 50% by weight of oleic acid soap.
- the anionic surfactants can be present in the form of their sodium, potassium or ammonium salts and as soluble salts of organic bases, such as mono-, di- or triethanolamine.
- the anionic surfactants are preferably in the form of their sodium or potassium salts, in particular in the form of the sodium salts.
- the anionic surfactants are preferably used in amounts of 3 to 20% by weight, based on the sum of the constituents used. However, their content can also exceed 20% by weight.
- the sodium perborate tetrahydrate and the sodium perborate mono- hydrate special meaning.
- Further bleaching agents which can be used are, for example, sodium percarbonate, peroxypyrophosphates, citrate perhydrates and H2O2-providing peracidic salts or peracids, such as perbenzoates, peroxophthalates, diperazelaic acid or diperdodecanedioic acid.
- the bleaching agent content of the agents is preferably 5 to 25% by weight and in particular 10 to 20% by weight, with perborate monohydrate being advantageously used.
- washing and / or cleaning agents obtainable according to the invention can contain known, usually liquid additives, usually used in washing and / or cleaning agents.
- liquid constituents of washing and / or cleaning agents obtainable according to the invention include, in particular, nonionic surfactants which, at the process temperature, are in liquid, i.e. pumpable and flowable form.
- Ci2-Ci8 fatty alcohols and their mixtures such as coconut oil, tallow fat or oleyl alcohol, or with primary alcohols branched methyl in the 2-position (oxo alcohols) are preferably used as nonionic surfactants.
- Ci2- i4 alcohols with 3 EO or 4 EO Cg-Cn alcohol with 7 EO, Ci3-Ci5 alcohols with 3 EO, 5 EO, 7 EO or 8 EO, C ⁇ -Cl ⁇ alcohols with 3 EO , 5 EO or 7 EO and mixtures of these, such as mixtures of Ci2-Ci4 alcohol with 3 EO and Ci2-i8 alcohol with 5 EO.
- the degrees of ethoxylation given represent statistical averages, which can be an integer or a fraction for a specific product.
- Preferred alcohol ethoxylates have a narrow homolog distribution (narrow range ethoxylates, NRE).
- NRE narrow range ethoxylates
- alcohol ethoxylates are preferred which have an average of 2 to 8 ethylene oxide groups.
- the compositions preferably also contain alkylglycosides of the general formula R0 (G) x , in which R is a primary straight-chain or in the 2-position methyl branched aliphatic radical with 8 to 2 ; preferably means 12 to 18 carbon atoms and G is the symbol which stands for a glycose unit with 5 or 6 carbon atoms, preferably for glucose.
- R is a primary straight-chain or in the 2-position methyl branched aliphatic radical with 8 to 2 ; preferably means 12 to 18 carbon atoms and G is the symbol which stands for 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 any number between 1 and 10; x is preferably 1.2 to 1.4.
- the content of nonionic surfactants in the finished granules is, for example, 2 to 15% by weight, preferably 3.5 to 15% by weight.
- the liquid, nonionic surfactants are used in a mixture with lower polyalkylene glycols which are derived from straight-chain or branched-chain glycols having 2 to 6 carbon atoms.
- Preferred lower polyalkylene glycols are polyethylene glycols or polypropylene glycols which have a relative molecular mass between 200 and 12,000, in particular between 200 and 4,000, for example 2,000.
- the weight ratio of liquid nonionic surfactant to lower polyalkylene glycol in these mixtures is preferably 10: 1 to 1: 1.
- bleach activators are incorporated into the preparations.
- these are N-acyl or O-acyl compounds which form organic peracids with H2O2, preferably N, N'-tetraacylated diamines, furthermore carboxylic acid anhydrides and esters of polyols such as glucose pentacetate.
- the bleach activators contain bleach activators in the usual range, preferably between 1 and 10% by weight and in particular between 2 and 8% by weight.
- Particularly preferred bleach activators are N, N, N ', N'-tetraacetylethylenediamine and 1,5-diacetyl-2,4-dioxo-hexahydro-1,3,5-triazine.
- builder substances such as the known zeolites and phosphates, in particular tripolyphosphates and layer silicates, including crystalline layer silicates.
- Their content in the washing and / or cleaning agents obtainable according to the invention is preferably 20 to 60% by weight, in particular 20 to 50% by weight, each Weil based on the sum of the ingredients used and calculated as an anhydrous active substance.
- the fine crystalline, synthetic and bound water-containing zeolite used is preferably zeolite NaA in detergent quality. It can be used as a spray-dried powder or as an undried stabilized suspension that is still moist from its manufacture.
- the zeolite can contain small additives, in particular stabilizers, for example nonionic surfactants, for example 1 to 3% by weight, based on zeolite, of ethoxylated C 12 -C 18 -fatty alcohols with 2 to 5 ethylene oxide groups.
- Suitable zeolites have an average particle size of less than 10 ⁇ m (volume distribution; measurement method: Coulter Counter) and preferably contain 20 to 22% by weight of bound water.
- Usable organic builders are, for example, the polycarboxylic acids preferably used in the form of their sodium salts, such as citric acid, adipic acid, succinic acid, glutaric acid, tartaric acid, sugar acids, aminocarboxylic acids, nitrilotriacetic acid (NTA), provided that such use is not objectionable for ecological reasons. and mixtures of these.
- Preferred salts are the salts of polycarboxylic acids such as citric acid, adipic acid, succinic acid, glutaric acid, tartaric acid and mixtures of these.
- Suitable poly ere polycarboxylates are, for example, the sodium salts of polyacrylic acid or polymethacrylic acid, for example those with a relative molecular weight of 800 to 150,000 (based on acid).
- Suitable copolymeric polycarboxylates are, in particular, those of acrylic acid with methacrylic acid and of acrylic acid or methacrylic acid with maleic acid. Copolymers of acrylic acid with maleic acid which contain 50 to 90% by weight of acrylic acid and 50 to 10% by weight of maleic acid have proven to be particularly suitable.
- Their relative molecular weight, based on free acids is generally 5,000 to 200,000, preferably 10,000 to 120,000 and in particular 50,000 to 100,000.
- the (co) polymeric polycarboxylates can be used either as a powder or as an aqueous solution, with 20 to 55% by weight aqueous solutions being preferred.
- the content of polymeric polycarboxylates in the agents is preferably 0.5 to 8% by weight.
- polyacetals which can be obtained by reacting dialdehydes with polyolcarboxylic acids which have 5 to 7 carbon atoms and at least 3 hydroxyl groups, for example as described in EP-A 280 223.
- Preferred polyacetals are obtained from dialdehydes such as glyoxal, glutaraldehyde, terephthalaldehyde and their mixtures and from polyol carboxylic acids such as gluconic acid and / or glucoheptonic acid.
- Suitable ingredients of the agents are water-soluble inorganic salts such as bicarbonates, carbonates, silicates or mixtures of these;
- alkali carbonate and alkali silicate especially sodium silicate with a molar ratio a2 ⁇ : Si ⁇ 2 of 1: 1 to 1: 4.5, preferably from 1: 2 to 1: 3.5, are used.
- the sodium carbonate content of the agents is preferably up to 20% by weight, advantageously between 1 and 15% by weight.
- the sodium silicate content of the agents is generally up to 10% by weight and preferably between 2 and 8% by weight.
- sulfates are used, this is preferably done in amounts between 15 and 40% by weight, based on the finished granulate. However, processes are particularly preferred in which no sulfate is used in addition to the sulfate contained in the raw materials.
- the liquid constituents of the detergents and / or cleaning agents obtainable according to the invention also include the solutions of (co) polymeric polycarboxylates already mentioned. These are metered in during the granulation in step (a) in order to obtain heavy granules.
- aqueous suspensions of zeolites which also preferably contain stabilizers for the suspensions, can also be used during the granulation in step (a).
- Pastes are preferably produced by neutralizing the anionic surfactants in their acid form with highly concentrated aqueous alkalis, for example a 45 to 55% strength by weight sodium hydroxide solution, in a commercially available rotor-stator machine, for example a SupratonW, or a stirred kettle.
- highly concentrated aqueous alkalis for example a 45 to 55% strength by weight sodium hydroxide solution
- rotor-stator machine for example a SupratonW, or a stirred kettle.
- the granules according to the present invention can optionally also contain small amounts of enzymes or optical brighteners.
- Suitable enzymes are those from the class of proteases, lipases, amylases, cellulases or mixtures thereof. Enzymatic active ingredients obtained from bacterial strains or fungi such as Bacillus subtilis, Bacillus licheniformis and Streptomyces griseus are particularly suitable. Proteases of the subtilisin type and in particular proteases which are obtained from Bacillus lentus are preferably used. Their proportion in the washing and / or cleaning agents obtainable according to the invention can be about 0.2 to about 2% by weight. The enzymes can be adsorbed on carriers and / or embedded in coating substances in order to protect them against premature decomposition.
- the salts of polyphosphonic acids are suitable as stabilizers, in particular for per-compounds and enzymes.
- the detergents and / or cleaning agents obtainable according to the invention can contain further enzyme stabilizers.
- enzyme stabilizers for example, 0.5 to 1% by weight sodium formate can be used.
- proteases which are stabilized with soluble calcium salts and have a calcium content of preferably about 1.2% by weight, based on the enzyme.
- boron compounds for example boric acid, boron oxide, borax and other alkali metal borates such as the salts of orthoboric acid (H3BO3), metaboric acid (HBO2) and pyrobic acid (tetraboric acid H2B4O7), is particularly advantageous.
- the foaming power of the surfactants can be increased or decreased by combining suitable types of surfactants; a reduction can also be achieved by adding non-surfactant-like substances. A reduced one
- Foaming power which is desirable when working in machines, is often achieved by combining different types of surfactants, e.g. of sulfates and / or sulfonates with nonionic surfactants and / or with soaps. at
- Suitable foam inhibitors are, for example, soaps of natural or synthetic origin, which have a high proportion of Ci8 ⁇ C24 fatty acids.
- Suitable non-surfactant-like foam inhibitors are, for example, organopolysiloxanes and their mixtures with microfine, optionally silanized silica, and paraffins, waxes, microcrystalline waxes and their mixtures with silanized silica. Mixtures of different foam inhibitors are also advantageously used, e.g. those made of silicone, paraffins or waxes.
- the foam inhibitors are preferably bound to a granular, water-soluble or water-dispersible carrier substance.
- the agents can contain, as optical brighteners, derivatives of diaminostilbenedisulfonic acid or its alkali metal salts. Suitable are for example salts of 4,4-bis (2-anilino-4-morpholino-l, 3,5-triazin-6-ylamino) stilbene-2,2 l - disulfonic acid or compounds of similar composition which, instead of Morpholino group carry a diethanolamino group, a methylamino group, an anilino group or a 2-methoxyethylamino group.
- Brighteners of the substituted 4,4'-distyryl-diphenyl type may also be present, for example the compound 4,4'-bis (4-chloro-3-sulfostyryl) diphenyl. Mixtures of the aforementioned brighteners can also be used.
- the optical brighteners or the mixtures of optical brightener and dye are preferably dissolved in the ethoxylated nonionic surfactants and sprayed onto the granules produced by the process according to the invention in a manner known per se.
- drying of the basic granules can be carried out before entering the first preparation stage.
- the amount of water tolerable without drying depends heavily on the overall composition. In particular, this drying is carried out in the fluidized bed at supply air temperatures below 180 ° C.
- the product temperature can rise to temperatures of up to 80 ° C or more.
- the entry temperature into the first processing stage is less critical, it may be necessary to adjust it especially, especially if drying is carried out at higher temperatures after the granulation. Accordingly, the temperature of the granules should preferably be between 30 ° C. and 60 ° C. when entering the first processing stage.
- the process according to the invention is also distinguished by the fact that granules are obtained which are distinguished by a very homogeneous grain spectrum with low coarse grain fractions.
- Existing coarse-grained fractions that is to say granules with a diameter above 1.6 to 2 mm, are preferably sieved off and can advantageously be returned to the granulating step after comminution, for example in a mill.
- the granular detergents and / or cleaning agents obtained in this way and having advantages generally have a bulk density in the range from 600 to 1100 g / 1, in particular 700 to 950 g / 1 and after sieving the coarse particles above 1.6 mm preferably 750 to 850 g / 1.
- the granules are free-flowing, non-greasy and dust-free.
- the content of anionic and nonionic surfactants in the granules is preferably 10 to 40% by weight and in particular 15 to 30% by weight, in each case based on the finished granules, and 20 to 60% by weight, preferably 25, in builder substances up to 55% by weight, each based on the finished granulate and calculated as an anhydrous active substance.
- the finished granules have a content of 2 to 15% by weight, in particular 3.5 up to 15% by weight of nonionic surfactants.
- the subsequent drying was carried out in the fluidized bed with a water vaporization of about 5%, the product temperature rising to 80 ° C.
- the coarse grain fraction of> 1.6 mm in an amount of about 5 to 10% by weight was returned to the products after screening and grinding.
- this coarse grain fraction it is also possible to leave this coarse grain fraction in the basic granulate, since the coarse fraction is largely broken down in the first processing stage.
- Table 2 below shows the residence times of the mixtures in Table 1 in the ploughshare mixer.
- the solubility 90% is determined as follows: When disintegrating or dissolving salt-containing granules in water, it is known that the conductivity increases to the extent that the granules disintegrate or dissolve. In this method for determining the rate of disintegration, the conductivity-time curve is therefore recorded after adding the granules to water. It is determined at which point in time 90% of the final conductivity is reached.
- a device consisting of a temperature-controlled, double-walled beaker, an inclined-blade stirrer, a temperature sensor and a conductivity measuring cell, which is connected to a computer via the conductivity device and an AD converter
- 5.00 g of the granules to be examined are introduced in one portion into the tempered water and the conductivity-time curve is then recorded.
- the addition of the sample to the water forms the zero point of the time measurement.
- the determination is ended as soon as there is no longer any change in the conductivity-time curve.
- the end value of the curve and the time in which 90% of the end value are reached are evaluated.
- Variants A and B can be solved in a very short time.
- the vat washing machine test allows the determination of detergent residues that can remain on easy-care, dark-colored textiles due to coarse-grained powder, agglomerates of detergent components, as poorly soluble silicates or insoluble zeolite.
- a delicate item made of various dark-colored, easy-care textiles with a defined weight is placed in an ARCELIK R washing / tub washing machine without a spin cycle or a comparable type. First, 30 l of water are introduced into the washing machine, washing powder is added in the intended dosage and dissolved by stirring.
- the laundry with a weight of one kilo is placed in the washing machine and the washing machine is heated to a temperature of 30 ° C. After this temperature has been reached, the laundry is washed for 10 minutes by actuating the agitator, then the washing liquor is drained off and rinsed three times.
- the grading scale ranges from 1 (perfect, no disturbing residues) to 6 (very large amounts of disturbing, clearly visible residues).
- the residue behavior of a granulate according to variant A was determined. After the assessment by 5 examiners in each case, the grades are combined to an average. The grade 2.2 of variant A therefore corresponds to tolerable, isolated, not yet particularly noticeable residues.
- Stage 1 Granulation production of the basic granulate
- a commercially available, continuously working ploughshare mixer from Lödige (Federal Republic of Germany) was used at circumferential speeds of 4 m / s for the mixing tools with the feedstocks of the type and quantity described in Example 1 (variant A) loaded.
- Mixing was carried out using the cutter heads at product temperatures of 30 ° C-40 ° C. With a dwell time of 3-4 minutes, granules were formed. In the subsequent fluidized bed drying, water evaporation of about 5% occurred. Granules with a bulk density of 650 g / l were obtained.
- Grain spectrum (sieve analysis, in% by weight):
- the further processing to the finished product could be carried out discontinuously with the same result as described in Example 1 or continuously as described below.
- the carried out in this stage led to preparation for a product with a bulk density of 850 g / l, was carried out in the ploughshare mixer mentioned above using knife heads with an average residence time of 25-30 minutes.
- the grain composition (in% by weight) was as follows:> 1.6 mm 0.8 mm 0.4 mm 0.2 mm 0.1 mm ⁇ 0.1 mm 2.2% 25.5% 34.2% 28.1% 8.1% 1.9%
- Example 1 The mixing was carried out analogously to Example 1 in a commercially available Schugi mixer which ran through vertically. The bulk density obtained was 830 g / 1. The application data corresponded to that of Example 1.
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Detergent Compositions (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6514755A JPH08504864A (ja) | 1992-12-23 | 1993-12-14 | 粒状の洗浄剤および/または清浄化剤 |
EP94903766A EP0675947A1 (de) | 1992-12-23 | 1993-12-14 | Granulare wasch- und/oder reinigungsmittel |
KR1019950702630A KR960700336A (ko) | 1992-12-23 | 1995-06-23 | 과립 세정제 및/또는 클리닝제(granulated washing and/or cleaning agents) |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4243704A DE4243704A1 (de) | 1992-12-23 | 1992-12-23 | Granulare Wasch- und/oder Reinigungsmittel |
DEP4243704.0 | 1992-12-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1994014946A1 true WO1994014946A1 (de) | 1994-07-07 |
Family
ID=6476281
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1993/003524 WO1994014946A1 (de) | 1992-12-23 | 1993-12-14 | Granulare wasch- und/oder reinigungsmittel |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0675947A1 (de) |
JP (1) | JPH08504864A (de) |
KR (1) | KR960700336A (de) |
DE (1) | DE4243704A1 (de) |
WO (1) | WO1994014946A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU1449100A (en) * | 1998-10-26 | 2000-05-15 | Procter & Gamble Company, The | Detergent particles and processes for making them |
ES2226865T3 (es) * | 1999-06-21 | 2005-04-01 | THE PROCTER & GAMBLE COMPANY | Procedimiento para fabricar una composicion detergente granular. |
US6833346B1 (en) | 1999-06-21 | 2004-12-21 | The Procter & Gamble Company | Process for making detergent particulates |
US6951837B1 (en) | 1999-06-21 | 2005-10-04 | The Procter & Gamble Company | Process for making a granular detergent composition |
MXPA02000030A (es) * | 1999-06-21 | 2002-07-02 | Procter & Gamble | Particulas de detergentes y procedimientos para elaborarlas. |
BR0011836B1 (pt) * | 1999-06-21 | 2012-06-12 | processo para a produÇço de uma partÍcula, partÍcula detergente e composiÇço detergente. | |
US6579844B1 (en) | 2000-06-20 | 2003-06-17 | The Procter & Gamble Co. | Detergent particles and methods for making them |
KR100741824B1 (ko) * | 2006-03-02 | 2007-07-23 | (주)스피어테크 | 각질 제거 및 여드름에 효과 있는 크렌징 그레뉼 조성물 및제조방법 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0200953A2 (de) * | 1985-04-20 | 1986-11-12 | Henkel Kommanditgesellschaft auf Aktien | Körniges Waschmittel mit verbessertem Reinigungsvermögen |
DE4024657A1 (de) * | 1990-08-03 | 1992-02-06 | Henkel Kgaa | Verfahren zur trocknung und granulierung waessriger pasten waschaktiver wirkstoffgemische |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1325927A (en) * | 1970-06-16 | 1973-08-08 | Ici Ltd | Condensation polymers |
US4507466A (en) * | 1983-01-07 | 1985-03-26 | The Dow Chemical Corporation | Dense star polymers having core, core branches, terminal groups |
US4857599A (en) * | 1988-02-08 | 1989-08-15 | The Dow Chemical Company | Modified dense star polymers |
US5041516A (en) * | 1989-06-21 | 1991-08-20 | Cornell Research Foundation, Inc. | Dendritic molecules and method of production |
-
1992
- 1992-12-23 DE DE4243704A patent/DE4243704A1/de not_active Withdrawn
-
1993
- 1993-12-14 EP EP94903766A patent/EP0675947A1/de not_active Withdrawn
- 1993-12-14 JP JP6514755A patent/JPH08504864A/ja active Pending
- 1993-12-14 WO PCT/EP1993/003524 patent/WO1994014946A1/de not_active Application Discontinuation
-
1995
- 1995-06-23 KR KR1019950702630A patent/KR960700336A/ko not_active Application Discontinuation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0200953A2 (de) * | 1985-04-20 | 1986-11-12 | Henkel Kommanditgesellschaft auf Aktien | Körniges Waschmittel mit verbessertem Reinigungsvermögen |
DE4024657A1 (de) * | 1990-08-03 | 1992-02-06 | Henkel Kgaa | Verfahren zur trocknung und granulierung waessriger pasten waschaktiver wirkstoffgemische |
Also Published As
Publication number | Publication date |
---|---|
KR960700336A (ko) | 1996-01-19 |
JPH08504864A (ja) | 1996-05-28 |
EP0675947A1 (de) | 1995-10-11 |
DE4243704A1 (de) | 1994-06-30 |
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