EP1019474B1 - Verfahren zur herstellung eines systems enthaltend ein nichtionisches tensid und ein alkalimetallsilikat - Google Patents

Verfahren zur herstellung eines systems enthaltend ein nichtionisches tensid und ein alkalimetallsilikat Download PDF

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Publication number
EP1019474B1
EP1019474B1 EP97901676A EP97901676A EP1019474B1 EP 1019474 B1 EP1019474 B1 EP 1019474B1 EP 97901676 A EP97901676 A EP 97901676A EP 97901676 A EP97901676 A EP 97901676A EP 1019474 B1 EP1019474 B1 EP 1019474B1
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EP
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Prior art keywords
weight
alkali metal
dispersion
metal silicate
les
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EP97901676A
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English (en)
French (fr)
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EP1019474A1 (de
Inventor
Gilles Guerin
Daniel Joubert
Charles Phan
Kenneth Wong
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Rhodia Chimie SAS
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Rhodia Chimie SAS
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Priority claimed from FR9601124A external-priority patent/FR2744131B1/fr
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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
    • C11D3/02—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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/83—Mixtures of non-ionic with anionic compounds
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C11D1/04—Carboxylic acids or salts thereof
    • C11D1/06—Ether- or thioether carboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/38—Cationic compounds
    • C11D1/42—Amino alcohols or amino ethers
    • C11D1/44—Ethers of polyoxyalkylenes with amino alcohols; Condensation products of epoxyalkanes with amines
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/38—Cationic compounds
    • C11D1/52—Carboxylic amides, alkylolamides or imides or their condensation products with alkylene oxides
    • C11D1/526—Carboxylic amides (R1-CO-NR2R3), where R1, R2 or R3 are polyalkoxylated
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/72—Ethers of polyoxyalkylene glycols
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/722—Ethers of polyoxyalkylene glycols having mixed oxyalkylene groups; Polyalkoxylated fatty alcohols or polyalkoxylated alkylaryl alcohols with mixed oxyalkylele groups
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/74—Carboxylates or sulfonates esters of polyoxyalkylene glycols

Definitions

  • the subject of the present invention is a process for the preparation of a system based on at least one liquid, waxy or pasty nonionic surfactant and on an alkali metal silicate, said system being in the form of a dispersion stable aqueous or granular.
  • This system can be used as a liquid or powder detergent composition or as a constituent of liquid or powder detergent compositions.
  • porous supports such as precipitation silicas, clays, sodium silicoaluminates, magnesium or calcium silicates, crystalline or amorphous aluminosilicates such as zeolites, makes it possible to obtain more concentrated mixtures of organic matter. , which can contain up to 65% of their weight of organic matter.
  • these supports have the disadvantage of being insoluble in water, which can cause problems in the intended use.
  • Another solution consists in using a crosslinked absorbent organic polymer (absorbent crosslinked polyacrylate, etc.) or a hydrocolloid (starch, guar, etc.); it is however more expensive and can also have drawbacks in terms of denaturing interactions between the support and the organic matter.
  • a crosslinked absorbent organic polymer absorbent crosslinked polyacrylate, etc.
  • a hydrocolloid starch, guar, etc.
  • the Applicant has found a means for preparing stable dispersions of nonionic surfactants, the continuous phase of which consists of a concentrated aqueous solution of alkali metal silicate and the dispersed phase of droplets or particles of non-ionic surfactant.
  • -liquid, waxy or pasty ionics, dispersions which, by simple drying, transform into granules by encapsulation of droplets or particles of nonionic surfactant in a rigid shell of alkali metal silicate.
  • This placing in solid form has the advantage of leading to a soluble product, of easy availability, stable in storage, which can contain high contents of nonionic surfactant and which can ensure a controlled release of said surfactant.
  • the system formed by the nonionic surfactant and the alkali metal silicate whether in the form of an aqueous dispersion or of granules, has detergent and detergency builder properties, which give it the capacity to be used as a constituent of liquid or solid detergent compositions, household or industrial, in particular for washing machines.
  • nonionic surfactant (NIA) liquid, pasty or waxy immiscible or slightly miscible with an aqueous solution of alkali metal silicate is understood to mean any nonionic surfactant in its liquid, pasty or waxy form as it is. normal conditions of temperature and pressure (generally temperature of the order of -10 to 45 ° C and pressure of the order of 0.8 to 1.2 bar) and not likely to dissolve, to hydrate (by solvation of the hydrophilic part) or hydrolyze to more than 10% of its weight in said concentrated silicate solution.
  • aqueous solutions of alkali metal silicate with a SiO 2 / M 2 O molar ratio which can range from 1.5 to 4, preferably from 2 to 3.5 and containing on the order of 35 to 50% of active material, M representing sodium or potassium; Mention may very particularly be made of commercial solutions of sodium silicate with a ratio of around 2 containing around 45 to 50% of active material, as well as those of sodium silicate with a ratio of around 3 containing of the order of 35 to 40% of active material.
  • the small amounts of free water present in these concentrated silicate solutions are not sufficient to dissolve, hydrate (solvate) or hydrolyze the non-ionic surfactant (s) (NIA).
  • the operation of dispersing the surfactant (s) (NIA) in the said concentrated solution of alkali metal silicate can be carried out using any nonionic or anionic surfactant compatible with the concentrated solution of alkali metal silicate, that is to say capable of dissolving or of hydrating (solvating) giving a homogeneous isotropic phase with the concentrated solution of alkali metal silicate.
  • This operation can be carried out in particular using at least one nonionic or anionic surfactant (TAS), the hydrophilic part of which contains one or more saccharide unit (s).
  • Said saccharide units generally contain from 5 to 6 carbon atoms.
  • sugars such as fructose, glucose, mannose, galactose, talose, gulose, allose, altose, idose, arabinose, xylose, lyxose and / or ribose.
  • the operation of dispersing the surfactant (s) (NIA) in said concentrated solution of alkali metal silicate using at least one nonionic or anionic surfactant (TAS) can be carried out according to all the methods of preparation of dispersions known to those skilled in the art.
  • a dispersion can be prepared by using high shear colloid mills, such as MENTON GAULIN®, MICROFLUIDIZER® (MICROFLUIDICS) etc ...
  • a first well-suited method is direct phase emulsification, consisting in preparing a mixture of concentrated solution of alkali metal silicate and non-ionic or anionic surfactant (TAS), then in introducing therein the non-ionic surfactant.
  • -ionic (NIA) in liquid form (melted if necessary), with stirring.
  • Another method is emulsification by phase inversion, consisting in introducing dropwise, with stirring, into the nonionic surfactant (NIA) in liquid form (molten if necessary), a mixture of concentrated solution of alkali metal silicate. and nonionic or anionic surfactant (TAS).
  • NIA nonionic surfactant
  • TAS nonionic or anionic surfactant
  • the operation of dispersing by emulsification of the nonionic surfactant (NIA) in the concentrated solution of alkali metal silicate using the nonionic or anionic surfactant (TAS) is carried out at a temperature at which said nonionic surfactant (NIA) is liquid.
  • Surface active agent droplets non-ionic (NIA) obtained during this operation can have diameters of the order of 0.5 to 10 ⁇ m, preferably of the order of 0.7 to 5 ⁇ m.
  • the possible operation of drying the dispersion to obtain granules is carried out under conditions such that the continuous liquid matrix of alkali metal silicate is transformed by elimination of water into a continuous solid film coating the droplets or the particles d 'nonionic surfactant (NIA); the quantity of water remaining corresponding to a weight ratio of water remaining in the silicate / silicate in the dry range of the order of 5/95 to 25/75.
  • This operation can be carried out by any known means.
  • rapid drying of the dispersion is carried out. Suitable for drying by freeze-drying (freezing followed by sublimation), and especially spray drying.
  • This latter mode of drying can be carried out in any known spray drying apparatus, such as atomization towers associating a spraying of the dispersion by a nozzle or a turbine with a stream of hot air, under conditions such as the temperature of the product during drying does not exceed 105 ° C.
  • Said optional drying operation can also be carried out in the open air in a thin layer in an oven.
  • said system (S) is in the form of an aqueous dispersion additionally containing glycerol.
  • glycerol makes it possible in particular to improve the stability on hot storage (40 ° C.) of said system in dispersion.
  • the amount of glycerol that may be present is of the order of 3 to 20% by weight, preferably of the order of 4 to 20% by weight, very particularly of the order of 6 to 14% by weight relative to the total weight of said dispersion.
  • Said system (S) in the form of a dispersion can be obtained by carrying out the dispersing operation according to the methods described above, in particular of emulsification in direct phase or by phase inversion, after prior introduction of the glycerol. in the concentrated aqueous solution of alkali metal silicate.
  • the system (S) forming the subject of the invention can be used in household or industrial detergents, as a constituent of a detergent composition, for washing laundry in particular.
  • the term “constituent” is understood here to mean both a simple component for a detergent composition and the complete detergent composition proper.
  • said system (S) may be a simple component of a detergent powder composition or alone constitute a detergent powder composition.
  • said system (S) in the form of granules constitutes in itself a detergent composition (SD) in powder, for washing machine in particular, it is preferable that the quantity of silicate of alkali metal expressed in dry, represents around from 30 to 70%, very particularly of the order of 40 to 60% of the weight of said system expressed in dry terms, and that of nonionic surfactant (NIA) represents of the order of 10 to 35%, very particularly of the order of 15 to 30% of the weight of said system expressed in sec.
  • NIA nonionic surfactant
  • said system (S) constitutes the liquid detergent composition itself. He can then present as is (i.e. composed of its three basic constituents, alkali metal silicate, nonionic surfactant (NIA) and nonionic or anionic surfactant (TAS), water and optionally glycerol) or added other detergency components introduced during its preparation.
  • NIA nonionic surfactant
  • TAS nonionic or anionic surfactant
  • said system (S) in the form of an aqueous dispersion contains an amount of alkali metal silicate expressed as dry, of the order of 30 to 70 %, preferably of the order of 40 to 60% of the weight of said system expressed in dry terms, and an amount of nonionic surfactant (NIA) of the order of 5 to 35%, preferably of the order from 5 to 30% of the weight of said system expressed in sec.
  • alkali metal silicate expressed as dry
  • NIA nonionic surfactant
  • Said system (S) in the form of an aqueous dispersion, added during its preparation of at least one detergency component can constitute a liquid detergent composition, for washing machines in particular.
  • the nature and the quantity of the components as well as the possible quantity of water introduced via these components are chosen so as not to destructure the liquid dispersion. It is preferable that the total amount of these components does not exceed 10% of the weight of the final detergent composition.
  • the detergent composition formed by said system (S) in the form of an aqueous dispersion, either as it is or added during its preparation with at least one detergency compound, can be used both for the main washing of laundry and as a stain remover before washing.
  • stain remover before washing (“prespotter”) means a product which, deposited before washing, without prior dilution, on the soiled area of the laundry, allows better removal of the soil during the main wash.
  • the test simulates a simplified machine wash, using a tergotometer. It consists of washing, at 40 ° C in water with a hardness of 30 ° TH, test pieces of soiled fabrics in a standard and uniform manner, with the formulation to be tested. The washing lasts thirty minutes and the detergency is evaluated by measuring the whiteness of the pieces of fabric, before and after washing, using a colorimeter. In addition, white, unsoiled control fabrics are incorporated, which make it possible to evaluate the redeposition of soiling by measuring the reflectances before and after washing.
  • Standard fabrics are manufactured by the CFT (Center For Test materials) or by the company "Test Fabric”. They have the following characteristics: Standard soiled fabrics (Soil) number of pieces per test - Dirty cotton CS-2 CFT (cocoa) 2 - Dirty cotton CS-1 CFT (blood) 2 - Dirty cotton K 10D CFT (sebum) 2 - Dirty polyester K 30D CFT (sebum) 2 - Dirty cotton AS-2 CFT (mineral oil and soot) 2 - Cotton polyester EMPA 104 CFT (mineral oil and ink) 2 - Polyester Test Fabric (soot) 2 Standard white fabrics - Cotton CN 1 white, not soiled, of CFT 5 - Cotton polyester PCN 1, white, no dirty, CFT 5 or, for each test, a total of 24 pieces of tissue.
  • the tergotometer is a device made up of 4 2-liter stainless steel pots on which are fitted stirrers which are adjusted to 50 cycles per minute (100 back and forth). The pots are placed in a water tank regulated at 40 ° C.
  • each pot we put 1 liter of water containing 8.2g of formulation to be tested.
  • the pots are introduced into the thermostatically controlled bath, simultaneously stirring and a stopwatch.
  • the baths are recovered (250 cc) for pH control.
  • the fabrics are rinsed three times with tap water, then wrung by hand and dried flat individually between two sheets of white absorbent paper.
  • the fabrics are again placed between two sheets of clean absorbent paper, and ironed in the freezer at a temperature close to 110 ° C.
  • the measurements are carried out with the "LUCI 100" colorimeter before and after washing according to the "L", “a”, “b” system (scale from black to white, from green to red, and from blue to yellow) to measure the detergent power of the surfactants tested (increase the whiteness of the pieces of soiled tissue).
  • the anti-redeposition power of the tested products is demonstrated using standard white soiled cotton CN1 and polyester / cotton PCN1 fabrics, the color of which is measured before and after washing. Redeposition is the difference in reflectance between the initial white fabric and the white fabric that has been washed in the presence of soiled fabrics.
  • the mineral incrustation is calculated from the ash rate (in% relative to the total weight of the cotton) of the fabrics washed, dried and burned at 950 ° C for 3 hours.
  • detergent power of the formulation of the invention is significantly higher than that of the commercial detergent, although the level of surfactants of the formulation of the invention (15%) is much lower than that ( 50%) of commercial laundry.
  • Two detergent powder compositions are prepared, one consisting of 100% of granules prepared in Example 1, the other consisting of 80% of said granules and 20% of other additives mentioned in Table 3.
  • the detergent and anti-scaling power of these two compositions is compared to that of a commercial powder detergent, containing more than 35 constituents, including a complex detergency builder system based on zeolite, sodium carbonate and polymers. , a surfactant system (18%) composed of 4 different products, an enzymatic system and an activated bleaching system.
  • the detergent power is measured in a Tergotometer according to the method described in Example 2, with the following modifications: - wash time: 20 minutes (instead of 30 minutes) - 5g / l of composition to be tested (instead of 8.2g / l) on the following soiling Standard soiled fabrics (Soil) number of pieces per test - BC-3 CFT cotton (tea) 2 - Dirty cotton CS-3 CFT (wine) 2 - EMPA SUNAK cotton (oxidizable soiling) 2 - Polyester Test Fabric (soot) 2 - Dirty cotton K 10D CFT (sebum) 2 - Dirty cotton / polyester K 20D CFT (sebum) 2 - Dirty polyester K 30D CFT (sebum) 2 - Dirty cotton AS-2 CFT (mineral oil and soot) 2 - Dirty cotton CS-2 CFT (cocoa) 2 - Dirty cotton CS-1 CFT (blood) 2
  • Example 3 an aqueous emulsion containing components of the emulsion parts by weight sodium silicate solution with an SiO 2 / Na 2 O ratio of 2, 45% dry extract 80 glycerol 4 GLUCOPON 600 CSP, 50% dry extract 8 SYNPERONIC A7 8
  • the agent to be tested is deposited in a concentrated state on the soiled tissue and spread locally using a spatula.
  • a contact time of 5 minutes between the textile and the product is respected, before proceeding to the actual washing using a detergent in a household washing machine of AEG brand, cycle 40 ° C.
  • test pieces are sewn flat on a cotton towel of 60x40cm.
  • 15 g of agent to be evaluated are placed on the soiled test pieces and spread out in an approximate circle of 3 cm in diameter.
  • the test pieces (on their towel holder) are introduced into an AEG household washing machine, accompanied by a load of 3 kg of linen consisting of clean sponge towels.
  • a washing cycle is then carried out at 40 ° C., with 100 g of commercial brand ARIEL standard detergent.
  • the test pieces are visually examined to assess the additional detergent effect due to the local presence of a stain-removing agent. Clearer areas, located at the agent's depot, allow this effect to be seen. (We could also have performed trichromatic laboratory measurements to quantify the additional detergent effect)
  • aqueous emulsion tested as a stain removing agent before washing is compared with a commercial product rich in surfactants, of the following composition: anionic surfactant 15% nonionic surfactant 5% pearly base 1% water 19%

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Claims (16)

  1. Verfahren zur Herstellung eines Systems in Form einer wäßrigen Dispersion oder eines Granulats auf Basis mindestens eines flüssigen, wachsartigen oder pastösen nichtionischen Tensids und eines Alkalimetallsilikats durch
    - Dispergieren (Indispersionbringen)
    · in einer konzentrierten wäßrigen Lösung eines Alkalimetallsilikats mit einem SiO2/M2O-Molverhältnis von 1,5 bis 4 als kontinuierlicher flüssiger Phase
    · mindestens eines flüssigen, pastösen oder wachsartigen nichtionischen Tensids (NIT), das mit der konzentrierten wäßrigen Lösung des Alkalimetallsilikats nicht mischbar oder nur geringfügig mischbar ist,
    · mit Hilfe mindestens eines nichtionischen oder anionischen (AT) Tensids, welches in bezug auf die konzentrierte Lösung des Alkalimetallsilikats kompatibel ist und das oder die flüssigen, pastösen oder wachsartigen nichtionischen Tenside (NIT) in der konzentrierten Lösung des Alkalimetallsilikats in Dispersion bringen kann,
    - und gegebenenfalls Trocknung der gebildeten Dispersion bis zum Erhalt einer festen Alkalimetallsilikathülle bzw. -schale, welche die Tröpfchen oder Teilchen des oder der flüssigen, pastösen oder wachsartigen nichtionischen Tenside (NIT) verkapselt.
  2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß das nichtionische Tensid ein alkoxyliertes nichtionisches Tensid ist, welches ausgewählt ist aus den folgenden Verbindungen:
    - polyoxyalkylenierten (polyethoxyethylenierten, polyoxypropylenierten oder polyoxybutylenierten) Alkylphenolen, deren Alkylsubstituent ein C6-C12-Rest ist und 5 bis 25 Oxyalkyleneinheiten enthält,
    - aliphatischen polyoxyalkylenierten C8-C22-Alkoholen mit 1 bis 25 Oxyalkyleneinheiten (Oxyethylen- oder Oxypropyleneinheiten),
    - ethoxylierten und/oder propoxylierten α- oder β-Pinenen mit 1 bis 30 Oxyethylen- und/oder Oxypropyleneinheiten,
    - Produkten aus der Kondensation von Ethylenoxid oder Propylenoxid mit Propylenglykol oder Ethylenglykol mit einer gewichtsbezogenen Molekularmasse in der Größenordnung von 2.000 bis 10.000,
    - Produkten aus der Kondensation von Ethylenoxid oder Propylenoxid mit Ethylendiamin,
    - ethoxylierten und/oder propoxylierten C8-C18-Fettsäuren mit 5 bis 25 ethoxylieren und/oder propoxylierten Einheiten,
    - ethoxylierten Fettamiden mit 5 bis 30 ethoxylierten Einheiten,
    - ethoxylierten Aminen mit 5 bis 30 ethoxylierten Einheiten,
    - alkoxylierten Amidoaminen mit 1 bis 50, vorzugsweise 1 bis 25, insbesondere 2 bis 20 Oxyalkyleneinheiten.
  3. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die wäßrige Alkalimetallsilikatlösung ein SiO2/M2O-Molverhältnis von 2 bis 3,5 aufweist und 35 bis 50 % aktives Material enthält, wobei M Natrium oder Kalium darstellt.
  4. Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der hydrophile Teil des nichtionischen oder anionischen (AT) Tensids ein oder mehrere Saccharideinheiten mit 5 bis 6 Kohlenstoffatomen aufweist.
  5. Verfahren nach Anspruch 4, dadurch gekennzeichnet, daß das nichtionische oder anionische (AT) Tensid ausgewählt ist aus
    - Alkylpolyglykosiden
    - Derivaten von Galacturonsäure, Glucuronsäure, D-Mannuronsäure, L-Iduronsäure und Guluronsäure mit einer Kohlenwasserstoffkette mit 6 bis 24 Kohlenstoffatomen, vorzugsweise 8 bis 16 Kohlenstoffatomen, sowie deren Alkalimetallsalzen,
    - Glucosamiden,
    - Sophorolipiden.
  6. Verfahren nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß der Verfahrensschritt des Dispergierens durchgeführt wird durch Verwendung entsprechender Mengen an nichtionischem Tensid oder nichtionischen Tensiden (NIT), an konzentrierter Alkalimetallsilikatlösung und an nichtionischen oder anionischen (AT) Tensid oder Tensiden derart,
    - daß der Gehalt an nichtionischem Tensid oder nichtionischen Tensiden (NIT) 5 bis 60 Gew.-%, vorzugsweise 5 bis 55 Gew.-%, insbesondere 5 bis 45 Gew.-%, des Gehalts an Trockenmaterial der Dispersion darstellt,
    - daß der Gehalt an konzentrierter Alkalimetallsilikatlösung, berechnet als Trockengewicht, 20 bis 70 Gew.-%, vorzugsweise 30 bis 60 Gew.-%, des Gehalts an Trockenmaterial der Dispersion darstellt,
    - daß der Gehalt an nichtionischen oder anionischen (AT) Tensid oder Tensiden, berechnet als Trockengewicht, 5 bis 40 Gew.-%, vorzugsweise 10 bis 30 Gew.-%, des Gehalts an Trockenmaterial der Emulsion oder Dispersion darstellt,
    wobei der Gehalt an Trockenmaterial der Dispersion 30 bis 90 Gew.-%, vorzugsweise 40 bis 80 Gew.-%, beträgt.
  7. Verfahren zur Herstellung eines Systems in Form eines Granulats nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß der Verfahrensschritt der Trocknung durchgeführt wird, bis die Menge an restlichem Wasser einem Gewichtsverhältnis von Restwasser in dem Silikat/trockenem Silikat von 5/95 bis 25/75 entspricht.
  8. Verfahren zur Herstellung eines Systems in Form einer Dispersion nach Anspruch 6, dadurch gekennzeichnet, daß der Verfahrensschritt des Dispergierens außerdem in Gegenwart von Glycerol durchgeführt wird.
  9. Verfahren zur Herstellung eines Systems in Form einer Dispersion nach Anspruch 8, dadurch gekennzeichnet, daß die Menge an Glycerol 3 bis 20 %, vorzugsweise 4 bis 20 %, insbesondere 6 bis 14 %, des Gesamtgewichts der Dispersion darstellt.
  10. Verfahren zur Herstellung eines Systems in Form einer Dispersion nach einem der Ansprüche 6, 8 oder 9, dadurch gekennzeichnet, daß der Gehalt an nichtionischem Tensid oder nichtionischen Tensiden (NIT) 5 bis 35 Gew.-%, vorzugsweise 5 bis 30 Gew.-%, des Gehalts an Trockenmaterial der Dispersion darstellt und der Gehalt an konzentrierter Alkalimetallsilikatlösung, berechnet als Trockengewicht, 30 bis 70 Gew.-%, vorzugsweise 40 bis 60 Gew.-%, des Gehalts an Trockenmaterial der Dispersion darstellt.
  11. Verfahren zur Herstellung eines Systems in Form eines Granulats nach Anspruch 7, dadurch gekennzeichnet, daß der Gehalt an nichtionischem Tensid oder nichtionischen Tensiden (NIT) 10 bis 35 Gew.-%, vorzugsweise 15 bis 30 Gew.-%, des Systems, berechnet als Trockengewicht, darstellt und der Gehalt an Alkalimetallsilikat, berechnet als Trockengewicht, 30 bis 70 Gew.-%, vorzugsweise 40 bis 60 Gew.-%, des Systems, berechnet als Trockengewicht, darstellt.
  12. Verfahren zur Herstellung eines Systems in Form einer Dispersion nach einem der Ansprüche 1 bis 6, 8 oder 9, dadurch gekennzeichnet, daß der Verfahrensschritt des Dispergierens außerdem in Gegenwart mindestens eines tensidischen Additivs durchgeführt wird, welches ausgewählt ist aus
    - löslichen oder dispergierbaren, jedoch in der konzentrierten Alkalimetallsilikatlösung nicht wasserlöslichen tensidischen Additiven,
    - in dem nichtionischen Tensid (NIT) löslichen oder dispergierbaren tensidischen Additiven,
    - in der Silikatlösung und in dem flüssigen nichtionischen Tensid (NIT) nicht löslichen tensidischen Additiven,
    entsprechend einer Menge, berechnet als Trockengewicht, die 10 Gew.-% des auf diese Weise zugegebenen Systems nicht überschreitet.
  13. Verfahren zur Herstellung eines Systems nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, daß das System zur Verwendung als Bestandteil einer Wasch- bzw. Reinigungsmittelzusammensetzung, insbesondere zum Waschen von Wäsche, bestimmt ist.
  14. Verfahren zur Herstellung eines Systems in Form einer Dispersion nach Anspruch 10, dadurch gekennzeichnet, daß das System zur Verwendung als flüssige Wasch- bzw. Reinigungsmittelzusammensetzung, insbesondere zum Waschen von Wäsche, bestimmt ist.
  15. Verfahren zur Herstellung eines Systems in Form eines Granulats nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß das System zur Verwendung als Bestandteil einer festen Wasch- bzw. Reinigungsmittelzusammensetzung, insbesondere zum Waschen von Wäsche, bestimmt ist in einer Menge, berechnet als nichtionisches Tensid (NIT), von 5 bis 25 Gewichtsteilen auf 100 Teilen der Wasch- bzw. Reinigungsmittelzusammensetzung.
  16. Verfahren zur Herstellung eines Systems in Form einer Dispersion nach Anspruch 11, dadurch gekennzeichnet, daß das System zur Verwendung als feste Wasch- bzw. Reinigungsmittelzusammensetzung, insbesondere zum Waschen von Wäsche, bestimmt ist.
EP97901676A 1996-01-31 1997-01-27 Verfahren zur herstellung eines systems enthaltend ein nichtionisches tensid und ein alkalimetallsilikat Expired - Lifetime EP1019474B1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
FR9601124A FR2744131B1 (fr) 1996-01-31 1996-01-31 Systeme a base d'un agent tensio-actif non-ionique et d'un silicate de metal alcalin, sous forme d'une dispersion ou de granules et son utilisation en detergence
FR9601124 1996-01-31
FR9611092A FR2744132B1 (fr) 1996-01-31 1996-09-11 Systeme de base d'un agent tensioactif non-ionique et d'un silicate de metal alcalin, sous forme d'une dispersion ou de granules et son utilisation en detergence
FR9611092 1996-09-11
PCT/FR1997/000152 WO1997028240A1 (fr) 1996-01-31 1997-01-27 Systeme a base d'un agent tensioactif non-ionique et d'un silicate de metal alcalin

Publications (2)

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EP1019474A1 EP1019474A1 (de) 2000-07-19
EP1019474B1 true EP1019474B1 (de) 2004-03-31

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EP (1) EP1019474B1 (de)
JP (1) JP3179502B2 (de)
AT (1) ATE263228T1 (de)
AU (1) AU1549597A (de)
DE (1) DE69728448D1 (de)
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WO (1) WO1997028240A1 (de)

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FR2766838B1 (fr) * 1997-07-29 2003-06-13 Rhodia Chimie Sa Procede de preparation d'un systeme solide divise a base d'un agent tensioactif non-ionique et d'un silicate de metal alcalin et utilisation dudit systeme en detergence
JP7475125B2 (ja) 2019-10-17 2024-04-26 三菱重工業株式会社 コントローラの設定調整装置、設定調整方法およびプログラム

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CA953604A (en) * 1970-05-18 1974-08-27 Desoto Detergent and method
US3741904A (en) * 1971-05-05 1973-06-26 Miles Lab Process for preparation of a protected granule and dishwashing composition formed therewith
US3920586A (en) * 1972-10-16 1975-11-18 Procter & Gamble Detergent compositions
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IS1740B (is) * 1982-02-05 1999-12-31 Albright & Wilson Uk Limited Samsetning á hreinsivökva
US4457854A (en) * 1982-06-04 1984-07-03 Colgate Palmolive Company High bulk density carbonate-zeolite built heavy duty nonionic laundry detergent
DE3708330A1 (de) 1987-03-14 1988-09-22 Henkel Kgaa Fluessige, alkalische reinigerkonzentrate
EP0447413A1 (de) 1988-12-07 1991-09-25 Henkel Kommanditgesellschaft auf Aktien Phosphatfreies, flüssiges waschmittel mit hoher alkalität
HU213940B (en) * 1990-09-28 1997-11-28 Procter & Gamble Poly(hydroxy-alkyl) fatty acid amide surfactants in bleach-containing detergent compositions
BR9106912A (pt) * 1990-09-28 1993-07-20 Procter & Gamble Amidas de acidos graxos polihidroxi em composicoes detergentes contendo agentes de liberacao de sujeiras
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Publication number Publication date
US6291420B1 (en) 2001-09-18
AU1549597A (en) 1997-08-22
FR2744132A1 (fr) 1997-08-01
JP3179502B2 (ja) 2001-06-25
WO1997028240A1 (fr) 1997-08-07
DE69728448D1 (de) 2004-05-06
JPH11506802A (ja) 1999-06-15
ATE263228T1 (de) 2004-04-15
EP1019474A1 (de) 2000-07-19
FR2744132B1 (fr) 1998-04-24

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