EP0013028B1 - Waschmittel mit einem Gehalt an schaumdämpfend wirkendem Polydimethylsiloxan und Verfahren zu dessen Herstellung - Google Patents

Waschmittel mit einem Gehalt an schaumdämpfend wirkendem Polydimethylsiloxan und Verfahren zu dessen Herstellung Download PDF

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Publication number
EP0013028B1
EP0013028B1 EP19790105371 EP79105371A EP0013028B1 EP 0013028 B1 EP0013028 B1 EP 0013028B1 EP 19790105371 EP19790105371 EP 19790105371 EP 79105371 A EP79105371 A EP 79105371A EP 0013028 B1 EP0013028 B1 EP 0013028B1
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EP
European Patent Office
Prior art keywords
weight
detergent
component
water
soluble
Prior art date
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Expired
Application number
EP19790105371
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German (de)
English (en)
French (fr)
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EP0013028A1 (de
Inventor
Klaus Dr. Hachmann
Dieter Dr. Jung
Alexander Dr. Boeck
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Henkel AG and Co KGaA
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Henkel AG and Co KGaA
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Publication of EP0013028A1 publication Critical patent/EP0013028A1/de
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Expired legal-status Critical Current

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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
    • C11D3/0005—Other compounding ingredients characterised by their effect
    • C11D3/0026—Low foaming or foam regulating 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
    • C11D3/12—Water-insoluble compounds
    • C11D3/124—Silicon containing, e.g. silica, silex, quartz or glass 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
    • 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
    • C11D3/128—Aluminium silicates, e.g. zeolites
    • 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
    • C11D3/225—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin etherified, e.g. CMC
    • 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
    • C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/373—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicones

Definitions

  • the undesired strong foaming of detergents can be suppressed by adding foam-suppressing polydimethylsiloxanes. It is also known that the state of distribution of the siloxanes in the detergent plays an important role in the effectiveness. If the siloxanes are added to the slurry before the atomization drying, this results in a homogeneous distribution state in which there is no impairment of the washing power, but at the same time the foam-suppressing effect in some cases drops considerably.
  • DE-B 2 338 468 describes a detergent in which the siloxane is incorporated into a carrier substance which is free from surface-active substances and is impenetrable to detergents.
  • the purpose of this measure is to prevent an interaction between the detergents contained in the detergent and the siloxane and thus to prevent a drop in activity during mixing and storage.
  • the powder component (A) which consists of particles with an average grain size of 0.1 to 1 mm, contains 1 to 10, preferably 2 to 8% by weight of a polydimethylsiloxane, for example one of the general formula, as a foam-suppressing component where n is a number from 20 to 2000, preferably 40 to 1000.
  • the siloxane is present in a mixture with finely divided silica with a large active surface, specifically in a weight ratio of siloxane to silica of 100: 1 to 5: 1, preferably 50: 1 to 10: 1.
  • Particularly suitable for this purpose is precipitated silica or by thermal decomposition of silicon tetrachloride produced silicon dioxide (Aerosil).
  • This silicon dioxide which has an active surface area of 100 to 180 m 2 / g, can also be silanized.
  • Silanized silica is e.g. B. obtained by reacting part of the OH groups, the proportion of which is usually about 70 to 90 meq per 100 g of silica, with dimethyldichlorosilane or trimethylchlorosilane.
  • component (A) contains 2 to 15% by weight, preferably 3 to 8% by weight, of at least one nonionic surfactant.
  • Suitable surfactants are especially ethoxylated aliphatic alcohols with 12 to 20 C atoms and 4 to 20, preferably 5 to 15 ethylene glycol ether groups (EO groups).
  • Suitable alcohol components are lauryl, myristyl, cetyl, stearyl, arichidyl, oleyl, elaidyl, linolyl and ricinolyl alcohol and mixtures thereof, such as coconut or tallow alcohols, and also synthetic alcohols, for example those prepared by oxosynthesis or ethylene polymerization .
  • Ethoxylation products of alkylphenols, fatty acids, fatty acid amides, thioalcohols and vicinal diols, each having 12 to 20 carbon atoms in the hydrophobic radical and 4 to 20, preferably 5 to 15, EO groups can also be used.
  • Mixtures of higher ethoxylated compounds containing 7 to 15 EO groups and lower ethoxylated compounds having 3 to 6 EO groups can also be used, for example in a ratio of 4: 1 to 1: 2.
  • the powder component (A) further contains 1 to 10, preferably 3 to 8% by weight of at least one water-soluble cellulose ether.
  • Carboxymethyl cellulose is preferably used in the form of the Na or K salt.
  • methyl and hydroxyethyl cellulose and mixed cellulose ethers such as methyl carboxymethyl cellulose, methyl hydroxyethyl cellulose, methyl hydroxypropyl cellulose and methyl hydroxybutyl cellulose. Mixtures of the cellulose ethers mentioned above can also be present.
  • Another component of powder component (A) is a water-soluble or dispersible inorganic salt in an amount of 70 to 95, preferably 75 to 90% by weight.
  • B sodium sulfate, sodium carbonate, sodium hydrogen carbonate, sodium diphosphate, sodium tripolyphosphate, sodium silicates with a Na 2 0: Si0 2 ratio of 1: 1 to 1: 3.5, sodium aluminosilicates of the formula as described for example in DE-B 2 412 837, as well as magnesium silicate.
  • the potassium salts can also be used. Mixtures of the aforementioned inorganic salts, in particular those of sodium sulfate and magnesium silicate in a ratio of 10: 1 to 5: 1, can also be used.
  • the powder component (B), in which the particles have a particle size of 0.1 to 2.5 mm, preferably 0.2 to 1.5 mm, contains at least one anionic, nonionic or zwitterionic surfactant, skeletal salts and other, non-bleaching detergent components , which include washing alkalis, graying inhibitors, optical brighteners, stabilizers, neutral salts and dyes, but not per compounds or bleaches containing active chlorine, bleach activators and enzymes which are not stable under the conditions of hot spray drying.
  • Anionic surfactants suitable for the preparation of component (B) are those of the sulfonate or sulfate type, in particular alkylbenzenesulfonates, olefin sulfonates, alkylsulfonates and oc-sulfofatty acid esters, primary alkyl sulfates and the sulfates of ethoxylated, 2 to 3 glycol ether groups having higher molecular weight alcohols.
  • the anionic surfactants are preferably in the form of the sodium salts. If the anionic and zwitterionic compounds mentioned have an aliphatic hydrocarbon radical, this should preferably be straight-chain and have 8 to 22, preferably 12 to 18, carbon atoms. In the compounds having an araliphatic hydrocarbon radical, the preferably unbranched alkyl chains contain 6 to 16, in particular 10 to 14, carbon atoms. Suitable nonionic surfactants are, in particular, ethoxylation products of saturated or monounsaturated aliphatic primary alcohols having 12 to 24, preferably 12 to 18 carbon atoms and 3 to 20, in particular 4 to 15, ethylene glycol ether groups.
  • Suitable alcohols from which the present ethoxylation products are derived are, for example, those of natural origin, such as coconut oil or tallow fatty alcohols or oleyl alcohol, furthermore oxo alcohols or synthetic alcohols obtained by ethylene polymerization.
  • nonionic surfactants are ethoxylation products of secondary alcohols and vicinal diols each having 12 to 18 carbon atoms and of alkylphenols with 6 to 12 carbon atoms in the alkyl radical, the number of glycol ether groups likewise being 3 to 20, preferably 4 to 15.
  • the abovementioned ethoxylated alcohols and alkylphenols can also be replaced in whole or in part by those which are prepared with 0.5 to 3 moles of propylene oxide per mole of starting compound and only in the second stage the amount of ethylene oxide envisaged is added.
  • nonionic surfactants can also be present which are derived from the abovementioned compounds and which have ethylene glycol and propylene glycol ether groups in a different order, for example alcohols with 10 to 30 ethylene glycol ether groups and 3 to 30 propylene glycol ether groups; also ethoxylation products of mercaptans, fatty acid amides and fatty acids.
  • the water-soluble polyethylene oxide adducts containing 20 to 250 ethylene glycol ether groups and 10 to 100 propylene glycol ether groups with polypropylene glycol, ethylenediaminopolypropylene glycol and alkylpolypropylene glycol with 1 to 10 carbon atoms in can also be used the alkyl chain.
  • the compounds mentioned usually contain 1 to 5 ethylene glycol units per propylene glycol unit.
  • Nonionic compounds of the amine oxide and sulfoxide type which can optionally also be ethoxylated, can also be used.
  • Suitable builder substances are the polymer phosphates, carbonates, silicates and sulfates of potassium and in particular of sodium, the silicates having a ratio of SiO 2 to Na 2 O of 1: 1 to 3.5: 1.
  • pentasodium triphosphate is particularly suitable, which, in a mixture with its hydrolysis products, the mono- and diphosphates, as well as higher-condensed phosphates, e.g. B. the tetraphosphates may be present.
  • aluminosilicates generally have a grain size of 0.1 to 20 u. and are preferably crystalline.
  • the skeletal salts also include salts of complexing aminopolycarboxylic acids, in particular alkali salts of nitrilotriacetic acid and ethylenediaminotetraacetic acid. Also suitable are higher homologues of the aminopolycarboxylic acids mentioned. Salts of nitrogen-free polycarboxylic acids which form complex salts with calcium ions, including polymers containing carboxyl groups, are also suitable. Examples are citric acid, tartaric acid, benzene acarboxylic acid and tetrahydrofuran tetracarboxylic acid.
  • Polycarboxylic acids containing carboxymethyl ether groups can also be used, such as 2,2'-oxydisuccinic acid and polyhydric alcohols partially or completely etherified with glycolic acid or hydroxycarboxylic acids, for example triscarboxymethylglycerol, biscarboxymethylglyceric acid, carboxymethyloxysuccinic acid and carboxymethylaccharated or oxidized polysaccharide.
  • the polymeric carboxylic acids with a molecular weight of at least 350 are also suitable in the form of the water-soluble sodium or potassium salts, such as polyacrylic acid, polymethacrylic acid, poly- ⁇ -hydroxyacrylic acid, polymaleic acid, polyitaconic acid, polymesaconic acid, polybutene tricarboxylic acid and the copolymers of the corresponding monomeric carboxylic acids with one another or with ethylenically unsaturated compounds such as ethylene, propylene, isobutylene, vinyl methyl ether or furan.
  • the water-soluble sodium or potassium salts such as polyacrylic acid, polymethacrylic acid, poly- ⁇ -hydroxyacrylic acid, polymaleic acid, polyitaconic acid, polymesaconic acid, polybutene tricarboxylic acid and the copolymers of the corresponding monomeric carboxylic acids with one another or with ethylenically unsaturated compounds such as ethylene, propylene, isobutylene
  • complexing polyphosphonic salts can be present, for. B. the alkali metal salts of aminopolyphosphonic acids, especially aminotri- (methylenephosphonic acid), 1-hydroxyethane-1,1-diphosphonic acid, phenylhydroxymethane diphosphonic acid, methylene diphosphonic acid and salts of the higher homologues of the polyphosphonic acids mentioned. Mixtures of the aforementioned complexing agents can also be used.
  • component (B) The other ingredients that may be contained in component (B) include washing alkalis, neutral salts, graying inhibitors, optical brighteners, stabilizers such as magnesium silicate, substances which act as aerating agents and dyes, and also additives which improve the sprayability, e.g. B. alkali salts of toluene, xylene or cumene sulfonic acid.
  • Suitable washing alkalis are alkali carbonates, bicarbonates, borates and silicates with a Na 2 0: Si0 2 ratio of 1: 1 to 1: 3.5.
  • Sodium sulfate and sodium chloride are suitable as neutral salts.
  • Suitable graying inhibitors are in particular carboxymethyl cellulose and cellulose mixed ethers which have varying amounts of carboxymethyl, methyl and / or hydroxyethyl groups, furthermore water-soluble polyesters and polyamides from polyvalent carboxylic acids and glycols or diamines which have free carboxyl groups, betaine groups or sulfobetaine groups which are capable of salt formation and colloidally water-soluble polymers or copolymers of vinyl alcohol, vinyl pyrrolidone, acrylamide and acrylonitrile.
  • Suitable optical brighteners are the alkali salts of 4,4-bis (-2 "-anilino-4" -morpholino-1,3,5-triazinyl-6 "-amino) -stilbene-2,2'-disulfonic acid or compounds of the same structure which carry a diethanolamino group, a methylamino group or a .beta.-methoxyethylamino group instead of the morpholino group.
  • Also suitable as brighteners for polyamide fibers are those of the diarylpyrazoline type, for example 1- (p-sulfonamidophenyl) -3- (p-chlorophenyl) -J 2 -..
  • the wear Usable instead of the sulfonamido group, a carboxymethyl or acetylamino group are also substituted aminocoumarins, e.g., the 4-methyl-7-dimethylamino or 4-methyl-7-diethylaminocoumarin.
  • the compounds 1- (2-benzimidazolyl) -2- (1-hydroxyethyl-2-benzimidazolyl) ethylene and 1-ethyl-3-phenyl-7-diethylamino-carbostyryl are also useful as polyamide brighteners.
  • the compounds are 2,5-di- (2-benzoxazolyl) thiophene, 2- (2-benzoxazolyl) naphto [2,3-b] thiophene and 1,2- Di- (5-methyl-2-benzoxazolyl) ethylene suitable.
  • Brighteners of the substituted diphenylstyryl type may also be present. Mixtures of the aforementioned brighteners can also be used.
  • Component (C) which is optionally present preferably contains a per compound, for example sodium percarbonate, but in particular sodium perborate tetrahydrate.
  • Additional powder components for example enzymes, may also be present or may contain bleach activators.
  • the enzymes and bleach activators can be coated with water-soluble or dispersible coating substances.
  • Another object of the invention is the preparation of the agents described.
  • a suitable production process for the powder component (A) is spray drying an aqueous slurry containing the individual components in a homogeneous mixture, the water content of which - depending on the viscosity - can be 30 to 60% by weight.
  • Spray drying can be carried out in a manner known per se by spraying the slurry through nozzles into a drying tower into which gas or air heated to 110 to 300 ° C. is introduced in cocurrent or countercurrent.
  • the spray drying is carried out in such a way that the dried powder component (A) preferably has a liter weight of 300 to 700 g and is therefore of the order of magnitude of a spray-dried detergent, which largely excludes segregation when the detergents are later transported.
  • component (A) can also be prepared by spraying an aqueous sodium sulfate solution heated to temperatures above 32.4 ° C., in which the rest Components are dispersed or dissolved and their water content is such that in the subsequent spraying, with simultaneous cooling to temperatures below 32.4 ° C., the water is completely bound to sodium sulfate decahydrate (Glauber's salt) with simultaneous solidification of the spray material.
  • the liter weight of such spray products is in the range from 430 to 800 g. It is particularly suitable for the production of detergents in which component (B) also has an increased liter weight.
  • component (A) can also be prepared by granulating an aqueous dispersion, which contains the siloxane, silica, surfactant component and cellulose ether, onto the inorganic salt, followed by drying. This procedure is less advantageous because of the increased effort involved in mixing and drying.
  • the powder component (B) is advantageously produced by spray drying in a known manner from an aqueous slurry.
  • Such spray powders usually have a liter weight of 250 to 500 g and, after mixing with the component (A) produced by spraying, do not tend to separate during filling and during transport. If necessary, component (B) can also be prepared by known granulation processes.
  • the various powder components are combined by mixing in conventional mixing devices, which preferably operate continuously or on the free-fall principle.
  • other components e.g. B. fragrances are introduced or sprayed onto one of the powder components or the powder mixture.
  • one of the powder components (B) or (C), but in particular the sodium perborate (component C) - as described in patent applications DE-A 2 748 970 and 2 753 680 - can be acted upon with nonionic surfactants in order to improve the washing-in behavior of the washing powder to improve.
  • the mixing ratio between component (A) and the other powder components should be such that the polydimethylsiloxane content of the detergent is 0.01 to 0.8% by weight, preferably 0.05 to 0.5% by weight .
  • the powder detergents produced in the manner indicated are characterized by favorable foaming behavior. It is advantageous that the foam-suppressing effect of the siloxanes does not suffer any noteworthy losses in the production process according to the invention or during storage, but that, on the other hand, when the agents are used, there is no graying of the tissues or no exposure of the washing machine parts to a siloxane film which is very difficult to remove .
  • the spraying took place in a spray tower which was equipped with 3 spray nozzles and in which the dry air heated to 220 ° C. was passed in countercurrent.
  • the liter weight and the average grain size of the spray products was:
  • composition of the spray-dried detergent (component B) was (in% by weight):
  • siloxane / silica mixture was added directly to the wash liquor.
  • composition A 2 containing 50% by weight of water was added to a detergent slurry containing 35% by weight of water, the solids composition of which corresponded to that of component (B) in the examples above. After homogenization, the slurry was spray-dried in the customary manner and the spray product was mixed with 20% by weight sodium perborate.
  • the respective proportions of siloxane are shown in Table 4.
  • 5 wt .-% polydimethylsiloxane were mixed according to the procedure according to DE-B 2 338 468, Example 1 with 5 wt .-% silica and 40 wt .-% of an ethoxylated tallow alcohol (25 EO) at 50 ° C and on a fluidized bed sprayed of 50 wt .-% sodium sulfate.
  • the granules obtained were mixed with the spray-dried detergent component (B) and 20% sodium perborate according to the examples above. After a standing time of 10 days, the mixtures were examined for foam behavior and graying properties in accordance with the composition given in Table 4.
  • the foaming behavior of the test samples and the formulation according to Example 3 was carried out in a drum washing machine charged with 3.5 kg of clean filling laundry at 95 ° C., a detergent concentration of 7.5 g / l using water at 3 ° dH (that is, under difficult conditions) checked. It was not the foam height (which is less suitable for an exact comparison), but the volume of the over-foamed washing liquor (so-called liquor loss) that was measured.

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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)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Emergency Medicine (AREA)
  • Detergent Compositions (AREA)
EP19790105371 1979-01-02 1979-12-24 Waschmittel mit einem Gehalt an schaumdämpfend wirkendem Polydimethylsiloxan und Verfahren zu dessen Herstellung Expired EP0013028B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2900063 1979-01-02
DE19792900063 DE2900063A1 (de) 1979-01-02 1979-01-02 Waschmittel mit einem gehalt an schaumdaempfend wirkendem polydimethylsiloxan und verfahren zu dessen herstellung

Publications (2)

Publication Number Publication Date
EP0013028A1 EP0013028A1 (de) 1980-07-09
EP0013028B1 true EP0013028B1 (de) 1982-03-10

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ID=6059987

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Application Number Title Priority Date Filing Date
EP19790105371 Expired EP0013028B1 (de) 1979-01-02 1979-12-24 Waschmittel mit einem Gehalt an schaumdämpfend wirkendem Polydimethylsiloxan und Verfahren zu dessen Herstellung

Country Status (3)

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EP (1) EP0013028B1 (enrdf_load_stackoverflow)
AT (1) AT373908B (enrdf_load_stackoverflow)
DE (1) DE2900063A1 (enrdf_load_stackoverflow)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GR75649B (enrdf_load_stackoverflow) * 1980-07-28 1984-08-02 Procter & Gamble
DE3128631A1 (de) * 1981-07-20 1983-02-03 Henkel Kgaa "verfahren zur herstellung eines schaumgedaempften, silikone enthaltenden waschmittels"
EP0091802B1 (en) * 1982-04-13 1987-09-30 The Procter & Gamble Company Foam-controlling detergent additive compositions and use thereof in detergent compositions
GB8323131D0 (en) * 1983-08-27 1983-09-28 Procter & Gamble Ltd Detergent compositions
DE3504451A1 (de) * 1985-02-09 1986-08-14 Degussa Ag, 6000 Frankfurt Waschmittelbuilder
DE3504450A1 (de) * 1985-02-09 1986-08-14 Degussa Ag, 6000 Frankfurt Waschmittelbuilder
DE3805624A1 (de) * 1988-02-24 1989-08-31 Degussa Pulverfoermiger waschmittelentschaeumer
US5318718A (en) * 1990-02-15 1994-06-07 Henkel Kommanditgesellschaft Auf Aktien Process for the production of a pourable phosphate-free foam-inhibiting preparation
DE4117032A1 (de) * 1991-05-24 1992-11-26 Henkel Kgaa Silikonhaltiges entschaeumergranulat
US5691294A (en) * 1993-03-30 1997-11-25 The Procter & Gamble Company Flow aids for detergent powders comprising sodium aluminosilicate and hydrophobic silica
EP0618290B1 (en) * 1993-03-30 1999-05-19 The Procter & Gamble Company Flow aids for detergent powders comprising sodium aluminosilicate and hydrophobic silica
US5589449A (en) * 1993-07-29 1996-12-31 Dow Corning S.A. Particulate foam control agents
GB9315671D0 (en) * 1993-07-29 1993-09-15 Dow Corning Sa Foam control agents and their use
GB9426236D0 (en) * 1994-12-24 1995-02-22 Dow Corning Sa Particulate foam control agents and their use
US5846454A (en) * 1997-05-23 1998-12-08 Osi Specialties, Inc. Water dispersible antifoam concentrates
GB9823259D0 (en) * 1998-10-24 1998-12-16 Dow Corning Sa Particulate foam control agents
DE60039559D1 (de) 1999-08-13 2008-09-04 Dow Corning Sa Silikonhaltiges Schaumregulierungsmittel
ATE286422T1 (de) 1999-08-13 2005-01-15 Dow Corning Sa Schaumregulierungsmittel auf basis von silikon
GB0625046D0 (en) 2006-12-15 2007-01-24 Dow Corning Granular materials for textile treatment

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1297087A (enrdf_load_stackoverflow) * 1969-10-15 1972-11-22
GB1407997A (en) * 1972-08-01 1975-10-01 Procter & Gamble Controlled sudsing detergent compositions
FR2285453A1 (fr) * 1974-09-23 1976-04-16 Colgate Palmolive Co Compositions detergentes peu moussantes pour gros lavages
US4124523A (en) * 1977-03-07 1978-11-07 Dow Corning Corporation Silicone-containing acidic cleaner and conditioner

Also Published As

Publication number Publication date
AT373908B (de) 1984-03-12
ATA820579A (de) 1983-07-15
DE2900063C2 (enrdf_load_stackoverflow) 1988-06-23
EP0013028A1 (de) 1980-07-09
DE2900063A1 (de) 1980-07-17

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