EP1416039A1 - Verwendung wasserlöslicher Builder von bestimmter Korngrösse in bleichefreien Waschmitteln - Google Patents
Verwendung wasserlöslicher Builder von bestimmter Korngrösse in bleichefreien Waschmitteln Download PDFInfo
- Publication number
- EP1416039A1 EP1416039A1 EP02024318A EP02024318A EP1416039A1 EP 1416039 A1 EP1416039 A1 EP 1416039A1 EP 02024318 A EP02024318 A EP 02024318A EP 02024318 A EP02024318 A EP 02024318A EP 1416039 A1 EP1416039 A1 EP 1416039A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- detergent
- water
- builder
- acid
- soluble
- 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.)
- Granted
Links
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- 238000009826 distribution Methods 0.000 claims abstract description 15
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- 239000011777 magnesium Substances 0.000 description 1
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 1
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- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 description 1
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- 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
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- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
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- 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
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- DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical compound CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 description 1
- 150000003333 secondary alcohols Chemical class 0.000 description 1
- RYMZZMVNJRMUDD-HGQWONQESA-N simvastatin Chemical compound C([C@H]1[C@@H](C)C=CC2=C[C@H](C)C[C@@H]([C@H]12)OC(=O)C(C)(C)CC)C[C@@H]1C[C@@H](O)CC(=O)O1 RYMZZMVNJRMUDD-HGQWONQESA-N 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 229940012831 stearyl alcohol Drugs 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 150000008163 sugars Chemical class 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 150000003871 sulfonates Chemical class 0.000 description 1
- 150000003470 sulfuric acid monoesters Chemical class 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 235000020357 syrup Nutrition 0.000 description 1
- 239000006188 syrup Substances 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
- 108010075550 termamyl Proteins 0.000 description 1
- TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical class CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- 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
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/08—Silicates
-
- 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
- C11D3/10—Carbonates ; Bicarbonates
-
- 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
Definitions
- the present invention relates to the use of water-soluble Builders in bleach-free detergents, especially fine and Color detergents, where the builder has a certain grain size distribution except for grain sizes from 0.2 mm to less than 0.4 mm are.
- Builders or cobuilder systems belong to the most important substance classes for the construction of detergents or cleaning agents. You meet in the Detergents or cleaning agents perform various tasks, among others the water softening, the strengthening of the washing effect, a Graying inhibition and dirt dispersion are. Furthermore the builders are to the alkalinity necessary for the washing process contribute to a high absorption capacity for surfactants and / or others Detergent additives show, improve the effectiveness of surfactants, they can also contribute to the positive properties of Deliver solid products in powder form, for example structure formation and control of the dust problem. In some cases, the different requirements with only one builder component alone not meet, so in these cases on a system of builders and Cobuilder is used.
- water-insoluble builders based on phosphorus and / or Nitrogen has come under fire for ecological reasons, whereupon a change to three-dimensionally networked, water-insoluble Builders, e.g. B. zeolites.
- water-insoluble builders however, the phenomenon of undesirable occurs to an increased extent Incrustation that required the use of cobuilders.
- polymers are often used together with zeolites Polycarboxylates, in particular copolymers based on (meth) acrylic acid and maleic acid used together with soda. They are also common Complexing agent used.
- EP-A-0 444 415 describes a detergent with 0.5 to 60% by weight of a builder, 5 to 50% by weight of a surfactant and other customary washing aids, the builder being an amorphous, low-water sodium disilicate with a water content of 0 Represents 3 to 6 wt .-%.
- These highly dehydrated amorphous disilicates are produced in a multi-stage process which initially provides for the production of a powdery amorphous sodium silicate with a water content of 15 to 23% by weight. This material is treated with flue gas at temperatures of 250 to 500 ° C in a rotary kiln. The light emerging from the rotary kiln is comminuted sodium disilicate of a mechanical crusher to grain sizes of 0.1 to 12 mm with the aid and then ground to grain sizes of 2 to 400 ⁇ m.
- Patent applications WO 96/20269 and WO 97/34977 both describe amorphous alkali silicates containing ingredients of washing or Detergents, especially ingredients (e.g. Surfactants) in liquid form. In both applications, the Applying and granulating the silicates a relatively high Bulk density reached.
- ingredients e.g. Surfactants
- the application WO 00/37595 describes a common method Processing of amorphous sodium silicates with other ingredients from detergents or cleaning agents in which aqueous preparations of amorphous sodium silicate and a polymeric carboxylate together with other washing and / or cleaning agent ingredients in one Drying device are sprayed, at the same time with the Drying a granulation can take place, and the resultant basic detergent is then added, if necessary after adding more Ingredients, compacted.
- the detergents thus produced have comparable primary washing behavior an improved secondary Washability.
- the object of the present invention was to improve bleach-free (Gentle) detergent to provide good stain removal and have a very good dirt holding capacity at the same time improved care properties for the laundry.
- This problem is solved by using a water-soluble Builders in bleach-free detergents, characterized in that the Builder has a grain size distribution, the grain sizes from 0.2 to less than 0.4 mm.
- a preferred grain size range for the use of the builder in Detergent is either a grain size range of up to 0.2 mm Grain size, or a grain size range of 0.4 to 3 mm, this two grain size fractions in the detergent also at the same time may occur.
- every type is suitable for use as a water-soluble builder suitable from water-soluble builder described so far, in particular amorphous alkali silicates, layered silicates, cogranulates from silicates with polymeric polycarboxylates, carbonate / silicate compounds, cogranulates Layered silicates / non-neutralized polycarboxylates.
- the water-soluble builders can be used alone or together with others Builder / co-builder substances are used, the builder substances in can be optimized in such a way that they have a high binding capacity for have divalent ions, e.g. Calcium ions and magnesium ions.
- the calcium ion concentration, such as also the magnesium ion concentration in the wash liquor due to the Use of suitable builder substances can be reduced. Does it come off water soluble builders e.g. B. silicate, in the wash liquor at low pH increases too quickly, so it can cause insoluble rainfall Calcium or magnesium silicate can be found on the laundry settles. For this reason, as already mentioned above, the pH kept in the wash liquor in the clearly alkaline range, moreover has been a high builder / cobuilder concentration in detergent used.
- cobuilders which may also be used as compounds with the water-soluble builder substances can be used for example polymeric polycarboxylates from polyacrylic acid or Poly (meth) acrylic acid, or copolymers of these two with any Molar masses, but especially with molar masses over 10,000 g / mol, preferably molar masses from 20,000 to 120,000 g / mol, particularly preferred with 30,000 to 80,000 g / mol.
- copolymeric carboxylates are those of acrylic acid or (meth) acrylic acid with maleic acid. As Copolymers of acrylic acid with maleic acid have been particularly suitable proven that 50 to 90 wt .-% acrylic acid and 50 to 10 wt .-% Contain maleic acid.
- polycarboxylates are not mandatory necessary, but in one embodiment the builder lies as Particle comprising silicate and polymeric polycarboxylate. On such builder is achieved by spraying an aqueous solution together of water glass / soda with polymeric polycarboxylate in a spray tower and then obtained drying. In another process variant can also use water-soluble alkali silicate together with the polymer can be sprayed and dried.
- the builder and the cobuilder can However, they are also available individually, i.e. not as a compound according to a further embodiment of the invention side by side in the Detergents or cleaning agents are used.
- the one obtained from the spray tower Primary good (builder or builder / cobuilder compound) can either be direct processed further, or if necessary e.g. granulated in a compact and then e.g. in a hammer mill to the desired grain size be ground, with a subsequent to the manufacturing process Grain size from 0.2 to less than 0.4 mm from the product so produced is screened out before it is put into the detergent or cleaning agent is used.
- the builders so produced and screened have a good one Dirt carrying capacity.
- zeolites are used to make the detergent a good one Giving dirt-bearing capacity.
- zeolites have the disadvantage that they are not only good at the dirt contained in the wash liquor adsorb, but also the surfactants used in the detergent, making them as effective substances from the wash liquor to be "caught". For this reason, when using Zeolites in the detergents much more surfactants in the detergent formulations be used than when using water soluble builders. This plays especially in color detergents a role in which good foaming for color maintenance is desired.
- surfactants are environmentally harmful on the one hand, on the other are expensive, it is particularly desirable that to keep the amount of surfactants used as low as possible without the Deteriorate wash result.
- Water-soluble builders also have good dirt-holding capacity on, but they remove the surfactants used to a significant extent less of the wash liquor than the zeolites.
- the insoluble and finely dispersed zeolite particles have a high surface area, at e.g. wash-active substances such as surfactants during the washing process adsorb. Especially for those for delicates and color detergents This lowers the typical low washing temperatures very strong on surfactants, so that the cleaning performance decreases, or compensated by a higher dosage of surfactants must become.
- the wash-active Substances from the wash liquor only at the beginning of the washing process adsorb. Because the silicates described in the course of the washing process However, if the solution is completely dissolved, the surfactants are also fully Scope of the cleaning process available.
- polymer also improves dirt-carrying capacity detergent, further contributes to the further reduction of Precipitation on the laundry.
- additional cobuilders can be in the Detergents, for example copolymers of ⁇ -olefins and maleic acid, Polyaspartic acid, iminodisuccinate or carboxymethylinulin be used.
- finely crystalline, synthetic and bound water-containing zeolite preferably zeolite A, X, Y and / or P, as well as crystalline layered silicates can be used, which are likewise preferably only present in small amounts.
- Suitable zeolites are also mixtures of A, X, Y and / or P.
- zeolite P for example, MAP (for example Doucil A24®, commercial product from Ineos) is particularly preferred.
- MAP for example Doucil A24®, commercial product from Ineos
- cocrystallized sodium / potassium aluminum silicate from zeolite A and zeolite X, which is commercially available as VEGOBOND AX® (commercial product from Condea Augusta SpA).
- the zeolite can be used as a spray-dried powder or as an undried stabilized suspension that is still moist from its production.
- the zeolite can contain minor additions of nonionic surfactants as stabilizers, for example 1 to 3% by weight, based on zeolite, of ethoxylated C 12 -C 18 fatty alcohols with 4 to 5 ethylene oxide groups or ethoxylated isotridecanols.
- Suitable zeolites have an average particle size of less than 10 ⁇ m (volume distribution; measurement method: Coulter Counter) and preferably contain 10 to 22% by weight of bound water.
- crystalline, layered sodium silicates corresponding to the general formula NaMSi x O 2x + 1 .yH 2 O, where M is sodium or hydrogen, x is a number from 1.9 to 4 and y is a number from 0 to 20, and preferred values for x 2, 3 or 4 are included in the means.
- Such crystalline layered silicates are described, for example, in European patent application EP-A-0 164 514.
- Preferred crystalline layered silicates of the formula given are those in which M is sodium6 and x is 2 or 3.
- both ⁇ - and ⁇ -sodium disiliates Na 2 Si 2 O 5 .yH 2 O are preferred.
- phosphate-containing builders can also be used,
- Zeolites as well as crystalline layered silicates and phosphates In the agents according to the invention, however, builders are only of of minor importance. In preferred embodiments of the Invention of these substances is less than 5% by weight in total contain. It may even be preferable if they are completely missing, Zeolites in particular often also as powdering agents mixed granules are used, and so in the agents to one may be included in small proportions, although their use as a builder was not intended.
- the agents according to the invention contain in preferred Embodiments also alkali carbonates, especially sodium carbonate, and alkali hydrogen carbonates and their mixed salts (sesquicarbonate). It is advantageous for the implementation of the invention if that Weight ratio of alkali carbonate to amorphous sodium silicate in Range 1: 100 to 10: 1, preferably 1:50 to 5: 1. In Embodiments according to the invention can be particularly advantageous be when the weight ratio of alkali carbonate to amorphous Sodium silicate is less than 1.
- organic builder substances can be contained in the agents according to the invention.
- Usable organic builders are, for example, the polycarboxylic acids which can be used in the form of their sodium salts, polycarboxylic acids being understood to mean those carboxylic acids which carry more than one acid function.
- these are citric acid, adipic acid, succinic acid, glutaric acid, malic acid, tartaric acid, maleic acid, fumaric acid, sugar acids, aminocarboxylic acids, nitrilotriacetic acid (NTA), methylglycine diacetate (MGDA), as long as 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, sugar acids and mixtures of these.
- the acids themselves can also be used.
- the acids typically also have the property of an acidifying component and thus also serve to set a lower and milder pH value of detergents or cleaning agents.
- Citric acid, succinic acid, glutaric acid, adipic acid, gluconic acid and any mixtures thereof can be mentioned in particular.
- Suitable builder substances are 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 European patent application EP-A-0 280 223.
- Preferred polyacetals are obtained from dialdehydes such as glyoxal, glutaraldehyde, terephthalaldehyde and mixtures thereof and from polyol carboxylic acids such as gluconic acid and / or glucoheptonic acid.
- Other suitable organic builder substances are dextrins, for example oligomers or polymers of carbohydrates, which can be obtained by partial hydrolysis of starches.
- the hydrolysis can be carried out by customary, for example acid or enzyme-catalyzed, processes. They are preferably hydrolysis products with average molecular weights in the range from 400 to 500,000 g / mol.
- DE dextrose equivalent
- Both maltodextrins with a DE between 3 and 20 and dry glucose syrups with a DE between 20 and 37 as well as so-called yellow dextrins and white dextrins with higher molar masses in the range from 2,000 to 30,000 g / mol can be used.
- a preferred dextrin is described in British patent application 94 19 091.
- the oxidized derivatives of such dextrins are their reaction products with oxidizing agents which are capable of oxidizing at least one alcohol function of the saccharide ring to the carboxylic acid function.
- Such oxidized dextrins and processes for their preparation are known, for example, from European patent applications EP-A-0 232 202, EP-A-0 427 349, EPO-A-0 472 042 and EP-A-0 542 496 and international patent applications WO 92 / 18542, WO 93/08251, WO 93/16110, WO 94/28030, WO 95/07303, WO 95/12619 and WO 95/20608.
- An oxidized oligosaccharide according to German patent application DE-A-196 00 018 is also suitable.
- a product oxidized at C 6 of the saccharide ring can be particularly advantageous.
- Ethylene diamine N, N'-disuccinate (EDDS) the synthesis of which is described, for example, in US Pat. No. 3,158,615, is preferably used in the form of its sodium or magnesium salts.
- glycerol disuccinates and glycerol trisuccinates are also preferred in this context, as are described, for example, in US Pat. Nos. 4,524,009, 4,639,325, in European patent application EP-A-0 150 930 and in Japanese patent application JP 93/339896.
- Suitable amounts used in formulations containing zeolite and / or silicate are 3 to 15% by weight.
- Further useful organic cobuilders are, for example, acetylated hydroxycarboxylic acids or their salts, which may also be in lactone form and which contain at least 4 carbon atoms and at least one hydroxyl group and a maximum of two acid groups. Such cobuilders are described, for example, in international patent application WO 95/20029.
- Phosphonates are in particular hydroxyalkane or aminoalkanephosphonates. This is among the hydroxyalkane phosphonates 1-hydroxyethane-1,1-diphosphonate (HEDP) of particular importance as Co-builders. It is preferably used as the sodium salt, the Disodium salt neutral and the tetrasodium salt alkaline (pH 9) responding.
- Preferred aminoalkane phosphonates are ethylenediaminetetramethylenephosphonate (EDTMP), diethylene triamine pentamethylene phosphonate (DTPMP) and their higher homologues in question. They are preferably in Form of neutral sodium salts, e.g. B.
- cobuilders can be combined with one Proportion of up to 10% by weight, but preferably not more than 5% by weight, be included.
- the detergents according to the invention can besides those mentioned In principle, builder substances are all known and in such means contain usual ingredients.
- the means 10 to 50 wt .-%, preferably 15 to 35 wt .-%, surfactants, these surfactants are selected from the following groups.
- a first group are the anionic surfactants, which at least in Amounts of 0.5% by weight in the agents or Agents produced according to the invention should be included. For this count in particular sulfonates and sulfates, but also soaps.
- Preferred surfactants of the sulfonate type are C 9 -C 13 -alkylbenzenesulfonates, olefin sulfonates, ie mixtures of alkene and hydroxyalkanesulfonates and disulfonates, such as those obtained from C 12 to C 18 monoolefins with an end or internal double bond by sulfonation Gaseous sulfur trioxide and subsequent alkaline or acidic hydrolysis of the sulfonation products.
- alkanesulfonates obtained from C 10 -C 18 alkanes, for example by sulfochlorination or sulfoxidation with subsequent hydrolysis or neutralization.
- esters of ⁇ -sulfofatty acids are also suitable, z.
- esters of ⁇ -sulfofatty acids are also suitable, z.
- the ⁇ -sulfonated methyl esters of hydrogenated coconut, palm kernel or tallow fatty acids by ⁇ -sulfonation of the methyl ester of Fatty acids of plant and / or animal origin with 8 to 20 carbon atoms in the fatty acid molecule and subsequent neutralization to water-soluble Mono salts are made into consideration.
- ⁇ -sulfonated esters of the hydrogenated Coconut, palm, palm kernel or tallow fatty acids including sulfonation products of unsaturated fatty acids, for example oleic acid, in small amounts, preferably in amounts not above about 2 to 3 % By weight may be present.
- ⁇ -sulfofatty acid alkyl esters preferred which is an alkyl chain with no more than 4 carbon atoms have in the ester group, for example methyl esters, Ethyl ester, propyl ester and butyl ester.
- MES ⁇ -sulfofatty acids
- Suitable anionic surfactants are sulfonated fatty acid glycerol esters, which represent mono-, di- and triesters and their mixtures as they do in the production by esterification by a monoglycerol with 1 to 3 mol of fatty acid or in the transesterification of triglycerides with 0.3 to 2 mol of glycerol can be obtained.
- alk (en) yl sulfates the alkali and especially the sodium salts of the sulfuric acid half esters of C 10 -C 18 fatty alcohols, for example from coconut oil alcohol, tallow fatty alcohol, lauryl, myristyl, cetyl or stearyl alcohol or the C 10 -C 20 oxo alcohols and those half-esters of secondary alcohols of this chain length are preferred. Also preferred are alk (en) yl sulfates of the chain length mentioned, which contain a synthetic, petrochemical-based straight-chain alkyl radical which have a degradation behavior analogous to that of the adequate compounds based on oleochemical raw materials.
- C 10 -C 16 alkyl sulfates and C 10 -C 15 alkyl sulfates and C 12 -C 15 alkyl sulfates are particularly preferred from a washing-technical point of view.
- 2,3-Alkyl sulfates which are produced, for example, according to US Pat. Nos. 3,234,258 or 5,075,041 and can be obtained as commercial products from the Shell Oil Company under the name DAN®, are also suitable anionic surfactants.
- the sulfuric acid monoesters of the straight-chain or branched C 7 -C 21 alcohols ethoxylated with 1 to 6 mol ethylene oxide such as 2-methyl branched C 9 -C 11 alcohols with an average of 3.5 mol ethylene oxide (EO) or C 12 -C 18 -Fatty alcohols with 1 to 4 EO are suitable. Because of their high foaming behavior, they are used in detergents only in relatively small amounts, for example in amounts of 1 to 5% by weight.
- Preferred anionic surfactants are also the salts of alkylsulfosuccinic acid, which are also referred to as sulfosuccinates or as sulfosuccinic acid esters and which are monoesters and / or diesters of sulfosuccinic acid with alcohols, preferably fatty alcohols and in particular ethoxylated fatty alcohols.
- Preferred sulfosuccinates contain C 8 to C 18 fatty alcohol residues or mixtures thereof.
- Particularly preferred sulfosuccinates contain a fatty alcohol residue, which is derived from ethoxylated fatty alcohols, which in themselves are nonionic surfactants (description see below).
- sulfosuccinates the fatty alcohol residues of which are derived from ethoxylated fatty alcohols with a narrow homolog distribution, are particularly preferred. It is also possible to use alk (en) ylsuccinic acid with preferably 8 to 18 carbon atoms in the alk (en) yl chain or its salts, and also ether sulfates (alkylene oxide sulfates) with C 10-18 and 1-7EO.
- anionic surfactants are fatty acid derivatives of amino acids, for example of N-methyl taurine (tauride) and / or of N-methyl clycine (Sarcosides) into consideration.
- fatty acid derivatives of amino acids for example of N-methyl taurine (tauride) and / or of N-methyl clycine (Sarcosides) into consideration.
- tauride N-methyl taurine
- Sarcosides N-methyl clycine
- Soaps are particularly preferred as further anionic surfactants, preferably in amounts of 0.2 to 5 wt .-% into consideration.
- are particularly suitable saturated fatty acid soaps such as the salts of lauric acid, Myristic acid, palmitic acid, stearic acid, hydrogenated erucic acid and Beenic acid and in particular from natural fatty acids, e.g. B. coconut, Palm kernel or tallow fatty acids, derived soap mixtures.
- These soaps or as a substitute for soaps can also be used in the known Alkenyl succinic acid salts are used.
- anionic surfactants can be in the form of their sodium, Potassium or ammonium salts and as soluble salts of organic bases, such as mono-, di- or triethanolamine.
- anionic surfactants in the form of their sodium or potassium salts, in particular in the form of their sodium salts.
- the anionic surfactants are in the agents or are preferably used in the process according to the invention in amounts of 1 up to 30% by weight and in particular in amounts of 5 to 25% by weight.
- nonionic surfactants In addition to the anionic surfactants and the cationic, zwitterionic and amphoteric surfactants are preferred above all nonionic surfactants.
- the nonionic surfactants used are preferably alkoxylated, advantageously ethoxylated, in particular primary alcohols having preferably 8 to 18 carbon atoms and an average of 1 to 12 moles of ethylene oxide (EO) per mole of alcohol, in which the alcohol residue can be linear or preferably methyl-branched in the 2-position or may contain linear and methyl-branched radicals in the mixture, as are usually present in oxo alcohol radicals.
- EO ethylene oxide
- the preferred ethoxylated alcohols include, for example, C 12 -C 14 alcohols with 3 EO or 4 EO, C 9 -C 11 alcohols with 7 EO, C 13 -C 15 alcohols with 3 EO, 5 EO, 7 EO or 8 EO, C 12 -C 18 alcohols with 3 EO, 5 EO or 7 EO and mixtures thereof, such as mixtures of C 12 -C 14 alcohol with 3 EO and C 12 -C 18 alcohol with 7 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).
- fatty alcohols with more than 12 EO can also be used, as described above. Examples of these are (tallow) fatty alcohols with 14 EO, 16 EO, 20 EO, 25 EO, 30 EO or 40 EO.
- the nonionic surfactants also include alkyl glycosides of the general formula RO (G) x , in which R denotes a primary straight-chain or methyl-branched, in particular methyl-branched aliphatic radical having 8 to 22, preferably 12 to 18, C atoms and G for one Glycose unit with 5 or 6 carbon atoms, preferably for glucose.
- R denotes a primary straight-chain or methyl-branched, in particular methyl-branched aliphatic radical having 8 to 22, preferably 12 to 18, C atoms and G for one 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 an arbitrary number - which, as an analytically determinable variable, can also take fractional values - between 1 and 10; x is preferably 1.2 to 1.4.
- polyhydroxy fatty acid amides of the formula (I) in which R 1 CO is an aliphatic acyl radical having 6 to 22 carbon atoms, R 2 is hydrogen, an alkyl or hydroxyalkyl radical having 1 to 4 carbon atoms and [Z] is a linear or branched polyhydroxyalkyl radical with 3 to 10 carbon atoms and 3 to 10 hydroxyl groups:
- the polyhydroxy fatty acid amides are preferably derived from reducing sugars with 5 or 6 carbon atoms, in particular from glucose.
- the group of polyhydroxy fatty acid amides also includes compounds of the formula (II) in which R 3 represents a linear or branched alkyl or alkenyl radical having 7 to 12 carbon atoms, R 4 represents a linear, branched or cyclic alkylene radical or an arylene radical having 2 to 8 carbon atoms and R 5 represents a linear, branched or cyclic alkyl radical or Aryl radical or an oxyalkyl radical having 1 to 8 carbon atoms; where C 1 -C 4 alkyl or phenyl radicals are preferred, and [Z] stands for a polyhydroxyalkyl radical whose alkyl chain is substituted with at least two hydroxyl groups, or alkoxylated, preferably ethoxylated or propoxylated derivatives of this radical.
- [Z] is also preferably obtained here by reductive amination of a sugar such as glucose, fructose, maltose, lactose, galactose, mannose or xylose.
- a sugar such as glucose, fructose, maltose, lactose, galactose, mannose or xylose.
- the N-alkoxy- or N-aryloxy-substituted compounds can then, for example according to the teaching of international patent application WO 95/07331, be converted into the desired polyhydroxy fatty acid amides by reaction with fatty acid methyl esters in the presence of an alkoxide as catalyst.
- nonionic surfactants which are used either as the sole nonionic surfactant or in combination with other nonionic surfactants, in particular together with alkoxylated fatty alcohols and / or alkyl glycosides, are alkoxylated, preferably ethoxylated or ethoxylated and propoxylated, fatty acid alkyl esters, preferably with 1 to 4 carbon atoms in the alkyl chain, in particular fatty acid methyl esters, as described, for example, in Japanese patent application JP 58/217598 or which were preferably prepared by the process described in international patent application WO-A-90/13533.
- C 12 -C 18 fatty acid methyl esters with an average of 3 to 15 EO, in particular with an average of 5 to 12 E0, are preferred as nonionic surfactants, while, as described above, especially higher ethoxylated fatty acid methyl esters are advantageous as binders.
- C 12 -C 18 fatty acid methyl esters with 10 to 12 EO can be used both as surfactants and as binders.
- nonionic surfactants of the amine oxide type for example N-cocoalkyl-N, N-dimethylamine oxide and N-tallow alkyl-N, N-dihydroxyethylamine oxide, and the fatty acid alkanol amide may be suitable.
- the amount these nonionic surfactants are preferably no more than that of the ethoxylated fatty alcohols, especially not more than half from that.
- gemini surfactants can be considered as further surfactants. These are generally understood to mean those compounds, the two have hydrophobic groups per molecule. These groups are usually separated from each other by a so-called "spacer". This spacer is usually a carbon chain that should be long enough that the hydrophilic groups have a sufficient distance so that they can act independently. Such surfactants stand out generally by an unusually low critical Micell concentration and the ability to control the surface tension of the Greatly reduce water from. In exceptional cases, however, are under the expression Gemini surfactants not only dimeric but also trimeric Understood surfactants.
- Suitable gemini surfactants are, for example, sulfated hydroxy mixed ethers according to German patent application DE-A-43 21 022 or Dimeral alcohol bis and trimeral cabbage tris sulfates and ether sulfates according to German patent application DE-A-195 03 061.
- End group sealed dimeric or trimeric mixed ethers according to German patent application DE-A-195 13 391 are particularly characterized by their bi- and multifunctionality out.
- the end groups capped have surfactants good wetting properties and are low-foaming, so that they are especially for use in machine washing or cleaning processes suitable.
- agents according to the invention can common ingredients in detergents or cleaning agents.
- Enzymes which may be contained in agents according to the invention include Proteases, amylases, pullulanases, cellulases, cutinases and / or Lipases, for example proteases such as Properase®, BLAP®, Optimase®, Opticlean®, Maxacal®, Maxapem®, Durazym®, Alcalase®, Purafect® OxP, Esperase® and / or Savinase®, amylases such as Termamyl®, Amylase-LT®, Maxamyl®, Duramyl®, Purastar®, Kenzym®, Purastar® Ox Am, cellulases such as Celluzyme®, Carezyme®, KAC® and / or those from the international Patent applications WO 96/34108 and WO 96/34092 known cellulases and / or lipases such as Lipolase®, Lipomax®, Lumafast®, Lipoprime®, Lipex® and / or
- the enzymes used can be such.
- Quantities up to 10% by weight, in particular from 0.05% by weight to 5% by weight contain, with particular preference against oxidative degradation stabilized enzymes such as z. B. from the international Patent applications WO 94/02597, WO 94/02618, WO 94/18314, WO 94/23053 or WO 95/07350 are known can be used.
- the agents can also contain components which and positively influence fat washability from textiles. This The effect becomes particularly clear when a textile is soiled already several times with a detergent according to the invention, the contains this oil and fat-dissolving component, was washed.
- nonionic cellulose ethers such as methyl cellulose and methyl hydroxypropyl cellulose with a proportion of methoxy groups of 15 to 30% by weight and on hydroxypropoxyl groups from 1 to 15% by weight, in each case based on the nonionic cellulose ether
- those from the prior art known polymers of phthalic acid and / or terephthalic acid or their derivatives in particular polymers of ethylene terephthalates and / or polyethylene glycol terephthalates or anionic and / or nonionically modified derivatives of these.
- Particularly preferred from these are the sulfonated derivatives of phthalic acid and Terephthalic acid polymers.
- Suitable foam inhibitors are, for example, soaps of natural or synthetic origin, which have a high proportion of C 18 -C 24 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 or bistearylethylenediamide. Mixtures of different foam inhibitors are also used with advantages, e.g. B. from silicone, paraffins or waxes.
- the foam inhibitors, in particular silicone and / or paraffin-containing foam inhibitors are preferably bound to a granular, water-soluble or dispersible carrier substance. Mixtures of paraffins and bistearylethylenediamides are particularly preferred.
- Graying inhibitors have the task of removing the fiber Keep dirt suspended in the fleet and keep it moving to prevent the dirt.
- Water-soluble colloids are usually used for this suitable organic nature, for example the water-soluble salts polymeric carboxylic acids, glue, gelatin, salts of ether carboxylic acids or Ether sulfonic acids of starch or cellulose or salts of acid Sulfuric acid esters of cellulose or starch.
- water soluble, polyamides containing acidic groups are suitable for this purpose.
- Soluble starch preparations and others other than those above can also be used use mentioned starch products, e.g. B. degraded starch, Aldehyde starches, etc.
- Graying inhibitors are commonly used in Amounts of 0.1 to 5 wt .-%, based on the agent used.
- the invention Textile detergent formulation usual color transfer inhibitors in the amounts usual for this (about 0.1 to 2 wt .-%) contain.
- Color transfer inhibitors are, for example, homo- and Copolymers of vinyl pyrrolidone, vinyl imidazole, vinyl oxazolidone and 4-vinylpyridine-N-oxide with molecular weights from 15,000 to 100,000 and cross-linked, finely divided polymers based on these monomers used.
- the use of such polymers mentioned here is known see. DE-B 22 32 353, DE-A 28 14 287, DE-A 28 14 329 and DE-A 43 16 023.
- Farther cellulose ethers such as carboxymethyl cellulose (sodium salt) are preferred, Methyl cellulose, hydroxyalkyl cellulose and mixed ethers, such as Methylhydroxyethyl cellulose, methyl hydroxypropyl cellulose, Methyl carboxymethyl cellulose and mixtures thereof.
- the agents can, as optical brighteners, derivatives of diaminostilbenedisulfonic acid or their alkali metal salts.
- B Salts of 4,4'-bis (2-anilino-4-morpholino-1,3,5-triazinyl-6-amino) stilbene-2,2'-disulfonic acid or similar connections, which instead of the morpholino group is a diethanolamino group, a methyl amino group, an anilino group or a 2-methoxyethylamino group wear.
- Brighteners of the type of substituted Diphenylstyryle be present, e.g. B.
- the agents can also do other things known additives commonly used in detergents contain.
- the remaining detergents and other ingredients of the detergent can be used as powder, granules or cogranules, their particle size being in a range from 1 to 2500 ⁇ m , preferably from 5 to 1000 ⁇ m , or they can be metered in as a liquid component.
- the detergent according to the invention can be in the form of a powder, granules or Compactate present, the detergent can also be in the form of a pressed molded body are provided.
- the enzyme performance of the proteases used is significantly improved by the builders of the particle size distribution according to the invention, so that an improvement in the washing result is also achieved in this regard.
- washing machine / HBII / 40 ° C / 3 passes / 2 replicates / dosage normally soiled
- washing machine / HBII / 40 ° C / 15 passes / dosage normally soiled
- washing machine / HBII / 30 ° C / 10 passes / dosage normally soiled / short care program
- washing machine / HBII / 30 ° C / 10 passes / dosage normally soiled / short care program
- washing machine / HBII / 40 ° C / 3 passes / 2 replicates / dosage normally soiled
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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)
- Crystallography & Structural Chemistry (AREA)
- Detergent Compositions (AREA)
Abstract
Description
Claims (11)
- Verwendung von wasserlöslichen Buildern in bleichefreien Waschmitteln, dadurch gekennzeichnet, dass der Builder eine Korngrößenverteilung aufweist, die Korngrößen von 0,2 bis unter 0,4 mm ausschließt.
- Verwendung nach Anspruch 1, dadurch gekennzeichnet, dass der Builder eine Korngröße von bis zu 0,2 mm und/oder von 0,4 bis 3 mm aufweist.
- Verwendung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der wasserlösliche Builder ausgewählt ist aus amorphen Alkalisilicaten, Schichtsilicaten, Cogranulaten aus Silicaten mit polymeren Polycarboxylaten, Carbonat/Silicat-Compounds und Cogranulaten aus Schichtsilikaten / nicht neutralisierten Polycarboxylaten.
- Verwendung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass neben dem wasserlöslichen Builder noch weitere Builder/Cobuilder verwendet werden, gegebenenfalls auch als Cogranulat mit dem wasserlöslichen Builder.
- Verwendung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass das Waschmittel ein Fein- oder Colorwaschmittel ist.
- Bleichefreies Waschmittel, dadurch gekennzeichnet, dass es einen wasserlöslichen Builder enthält, der eine Korngrößenverteilung von bis 0,2 bis unter 0,4 mm ausschließt. zu 0,2 mm und/oder von 0,4 bis 3 mm aufweist.
- Waschmittel nach Anspruch 6, dadurch gekennzeichnet, dass der wasserlösliche Builder eine Korngrößenverteilung von bis zu 0,2 mm und/oder von 0,4 bis 3 mm aufweist.
- Waschmittel gemäß Anspruch 6 oder 7, dadurch gekennzeichnet, dass die übrigen Waschmittelbestandteile eine Partikelgröße von bis zu 2500 µm aufweisen und als Pulver, Granulat oder Cogranulat vorliegen.
- Waschmittel gemäß einem der Ansprüche 6 bis 8, dadurch gekennzeichnet, dass das Waschmittel ein Fein- oder Colorwaschmittel ist.
- Waschmittel nach Anspruch 9, enthaltend15 - 45% wasserlöslichen Builder5 - 20% Soda0 - 15% Sesquicarbonat3 - 20% Citrat oder Zitronensäure3 - 10% nichtionisches Tensid3 - 16% anionisches Tensid0 - 5% Seife0 - 6% Polycarboxylat5 - 35% Sulfat1 - 10% Additive, ausgewählt aus Enzymen, Entschäumer, Öllösepolymer, Carboxymethylcellulose, Parfum, Phosphonaten, Farbübertragungsinhibitoren.
- Verwendung eines Waschmittels gemäß einem der Ansprüche 6 bis 8 in einem pH-Bereich für die Waschflotte von pH 8 bis pH 10.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PT02024318T PT1416039E (pt) | 2002-11-02 | 2002-11-02 | Utilização de adjuvantes solúveis na água, com partículas de um determinado tamanho, em detergentes isentos de branqueadores |
| DK02024318T DK1416039T3 (da) | 2002-11-02 | 2002-11-02 | Anvendelse af vandoplöselige buildere med bestemte kornstörrelser i vaskemidler uden blegemidler |
| EP02024318A EP1416039B1 (de) | 2002-11-02 | 2002-11-02 | Verwendung wasserlöslicher Builder von bestimmter Korngrösse in bleichefreien Waschmitteln |
| AT02024318T ATE390478T1 (de) | 2002-11-02 | 2002-11-02 | Verwendung wasserlöslicher builder von bestimmter korngrösse in bleichefreien waschmitteln |
| ES02024318T ES2302778T3 (es) | 2002-11-02 | 2002-11-02 | Uso de adyuvantes solubles en agua de tamaño de grano determinado en detergentes sin agente de blanqueo. |
| DE50211976T DE50211976D1 (de) | 2002-11-02 | 2002-11-02 | Verwendung wasserlöslicher Builder von bestimmter Korngrösse in bleichefreien Waschmitteln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP02024318A EP1416039B1 (de) | 2002-11-02 | 2002-11-02 | Verwendung wasserlöslicher Builder von bestimmter Korngrösse in bleichefreien Waschmitteln |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1416039A1 true EP1416039A1 (de) | 2004-05-06 |
| EP1416039B1 EP1416039B1 (de) | 2008-03-26 |
Family
ID=32087991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02024318A Revoked EP1416039B1 (de) | 2002-11-02 | 2002-11-02 | Verwendung wasserlöslicher Builder von bestimmter Korngrösse in bleichefreien Waschmitteln |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1416039B1 (de) |
| AT (1) | ATE390478T1 (de) |
| DE (1) | DE50211976D1 (de) |
| DK (1) | DK1416039T3 (de) |
| ES (1) | ES2302778T3 (de) |
| PT (1) | PT1416039E (de) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1820844A1 (de) * | 2006-02-15 | 2007-08-22 | The Procter and Gamble Company | Bleichefreie Waschmitteltablette |
| US7947642B2 (en) | 2006-10-16 | 2011-05-24 | The Procter & Gamble Company | Spray-drying process for preparing a low density, low builder, highly water-soluble spray-dried detergent powder |
| US8080509B2 (en) | 2006-10-16 | 2011-12-20 | The Procter & Gamble Company | Low-builder, highly water-soluble, low-density solid laundry detergent composition |
| EP3762477B1 (de) | 2018-03-08 | 2024-02-07 | Ecolab USA Inc. | Feste enzymatische waschmittelzusammensetzungen und verfahren zur verwendung und herstellung davon |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0110588A1 (de) * | 1982-11-05 | 1984-06-13 | Unilever Plc | Frei fliessende Detergenspulver |
| EP0444415A1 (de) * | 1990-02-15 | 1991-09-04 | Hoechst Aktiengesellschaft | Teilentwässertes Disilikat enthaltendes Waschmittel |
| EP0456315A2 (de) * | 1990-05-08 | 1991-11-13 | The Procter & Gamble Company | Niedrig-pH-Waschmittelgranulate enthaltend Aluminiumsilikat, Zitronensäure und Carbonatbuilder |
| WO1996038525A1 (en) * | 1995-05-31 | 1996-12-05 | The Procter & Gamble Company | Cleaning compositions containing a crystalline builder material in selected particle size ranges for improved performance |
| EP0767238A1 (de) * | 1994-06-15 | 1997-04-09 | Kao Corporation | Verfahren zur herstellung von feinteiligen festen bilderpartikeln |
| EP0970918A1 (de) * | 1998-07-08 | 2000-01-12 | Clariant GmbH | Feinteiliges kristallines Natriumdisilikat |
| WO2000002988A1 (en) * | 1998-07-08 | 2000-01-20 | The Procter & Gamble Company | Builder component |
-
2002
- 2002-11-02 DK DK02024318T patent/DK1416039T3/da active
- 2002-11-02 ES ES02024318T patent/ES2302778T3/es not_active Expired - Lifetime
- 2002-11-02 AT AT02024318T patent/ATE390478T1/de active
- 2002-11-02 PT PT02024318T patent/PT1416039E/pt unknown
- 2002-11-02 EP EP02024318A patent/EP1416039B1/de not_active Revoked
- 2002-11-02 DE DE50211976T patent/DE50211976D1/de not_active Expired - Lifetime
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0110588A1 (de) * | 1982-11-05 | 1984-06-13 | Unilever Plc | Frei fliessende Detergenspulver |
| EP0444415A1 (de) * | 1990-02-15 | 1991-09-04 | Hoechst Aktiengesellschaft | Teilentwässertes Disilikat enthaltendes Waschmittel |
| EP0456315A2 (de) * | 1990-05-08 | 1991-11-13 | The Procter & Gamble Company | Niedrig-pH-Waschmittelgranulate enthaltend Aluminiumsilikat, Zitronensäure und Carbonatbuilder |
| EP0767238A1 (de) * | 1994-06-15 | 1997-04-09 | Kao Corporation | Verfahren zur herstellung von feinteiligen festen bilderpartikeln |
| WO1996038525A1 (en) * | 1995-05-31 | 1996-12-05 | The Procter & Gamble Company | Cleaning compositions containing a crystalline builder material in selected particle size ranges for improved performance |
| EP0970918A1 (de) * | 1998-07-08 | 2000-01-12 | Clariant GmbH | Feinteiliges kristallines Natriumdisilikat |
| WO2000002988A1 (en) * | 1998-07-08 | 2000-01-20 | The Procter & Gamble Company | Builder component |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1820844A1 (de) * | 2006-02-15 | 2007-08-22 | The Procter and Gamble Company | Bleichefreie Waschmitteltablette |
| WO2007093970A1 (en) * | 2006-02-15 | 2007-08-23 | The Procter & Gamble Company | Bleach-free detergent tablet |
| US7947642B2 (en) | 2006-10-16 | 2011-05-24 | The Procter & Gamble Company | Spray-drying process for preparing a low density, low builder, highly water-soluble spray-dried detergent powder |
| US8080509B2 (en) | 2006-10-16 | 2011-12-20 | The Procter & Gamble Company | Low-builder, highly water-soluble, low-density solid laundry detergent composition |
| EP3762477B1 (de) | 2018-03-08 | 2024-02-07 | Ecolab USA Inc. | Feste enzymatische waschmittelzusammensetzungen und verfahren zur verwendung und herstellung davon |
Also Published As
| Publication number | Publication date |
|---|---|
| PT1416039E (pt) | 2008-07-08 |
| DK1416039T3 (da) | 2008-07-14 |
| ES2302778T3 (es) | 2008-08-01 |
| EP1416039B1 (de) | 2008-03-26 |
| DE50211976D1 (de) | 2008-05-08 |
| ATE390478T1 (de) | 2008-04-15 |
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