EP0614484A1 - Melange pulverulent d'agents tensioactifs. - Google Patents

Melange pulverulent d'agents tensioactifs.

Info

Publication number
EP0614484A1
EP0614484A1 EP92923773A EP92923773A EP0614484A1 EP 0614484 A1 EP0614484 A1 EP 0614484A1 EP 92923773 A EP92923773 A EP 92923773A EP 92923773 A EP92923773 A EP 92923773A EP 0614484 A1 EP0614484 A1 EP 0614484A1
Authority
EP
European Patent Office
Prior art keywords
weight
alkyl
alkali
formula
carrier material
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
Application number
EP92923773A
Other languages
German (de)
English (en)
Other versions
EP0614484B1 (fr
Inventor
Martina Kihn-Botulinski
Hubert Freese
Eric Sung
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henkel AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Publication of EP0614484A1 publication Critical patent/EP0614484A1/fr
Application granted granted Critical
Publication of EP0614484B1 publication Critical patent/EP0614484B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • 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
    • C11D11/00—Special methods for preparing compositions containing mixtures of detergents
    • C11D11/02—Preparation in the form of powder by spray drying
    • 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
    • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/14—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aliphatic hydrocarbons or mono-alcohols
    • C11D1/146—Sulfuric acid esters
    • 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
    • C11D1/662—Carbohydrates or derivatives

Definitions

  • the invention relates to powdered, pourable and free-flowing surfactant mixtures which contain alkyl sulfate, alkyl glycoside and inorganic carrier material, a process for their preparation and their use as premixes for the production of particulate detergents and cleaners.
  • Preferred surfactants are anionic surfactants, especially those of the alkylbenzenesulfonate type, and nonionic surfactants, especially ethoxylated fatty alcohols.
  • the water is preferably removed from the slurry by spray drying.
  • alkylbenzenesulfonate in detergents and cleaning agents has recently been called into question because of the petroleum base of this surfactant.
  • sulfation products of compounds accessible from renewable raw materials, in particular fatty alcohols come into consideration as more environmentally compatible surfactants with comparable good cleaning properties.
  • aqueous slurries containing alkylbenzenesulfonate can be spray-dried without problems at the temperatures customary in such processes, normally about 250 ° C. to 350 ° C., there is a risk with aqueous slurries which contain comparable amounts of other surfactants, in particular alkyl sulfates self-ignition.
  • the object was therefore to develop a process which allows the preparation of powdered surfactant mixtures free from alkylbenzenesulfonate by spray drying an aqueous surfactant-containing slurry, without the self-ignition of the spray drying product occurring during production, the powdered products being free-flowing and free-flowing should.
  • R * is an alkyl radical having 10 to 20 C atoms and X is an alkali metal, ammonium or alkyl- or hydroxyalkyl-substituted ammonium ion, an amount of 1 to 5 parts by weight of alkylglycoside of the formula
  • R 1 is an alkyl radical having 8 to 22 carbon atoms
  • G is a glycose unit and n is a number from 1 to 10
  • the weight ratio of alkyl sulfate to alkyl glycoside being 8: 1 to 1: 1, preferably 5: 1 to 2: 1 , be ⁇ , and an amount of 20 to 100 parts by weight of an essentially inorganic phosphate-free carrier material which contains alkali carbonate and alkali alumosilicate in a weight ratio of 2: 1 to 1: 3, with as much Water mixes that a flowable and pumpable mixture at temperatures below 95 ° C with a viscosity of 3000 mPa-s to 15000 mPa-s, measured at 60 ° C to 95 ° C, is formed, and this by spray drying using drying gases Temperatures below 250 ° C withdraw the water to such an extent that a powdery, free-flowing product is formed.
  • the water content in the powder product is not more than 20% by weight, in particular from 5% by weight to 15% by weight.
  • the residual water content relates to the free water not bound in the crystal lattice.
  • the process is preferably carried out in such a way that 3 to 10 parts by weight of alkyl sulfate according to formula I, 2 to 3 parts by weight of alkyl glycoside according to formula II and 25 to 80 parts by weight of the inorganic carrier material are mixed with so much water that at least 35 % By weight, in particular 40% by weight to 50% by weight of water, is formed.
  • the phosphate-free, essentially inorganic carrier material preferably consists of 40% by weight to 60% by weight of alkali alumosilicate, in particular zeolite NaA and / or NaX, 20% by weight to 40% by weight of alkali carbonate, up to 20% by weight of other inorganic salts, in particular alkali silicates, alkali hydrogen carbonates and / or alkali chlorides, and not more than 20% by weight of organic material, in particular alkali polycarboxylate.
  • the further inorganic salts mentioned are contained in the carrier material in particular in amounts of 1% by weight to 10% by weight, the carrier material being free from alkali silicate with a molar ratio of SiO 2 to alkali oxide up to 2 and the proportion of Alkali silicate with a molar ratio of SiO 2 to alkali oxide over 2 is not more than 5% by weight, in each case based on the total support material.
  • the carrier material is preferably also free of alkali sulfates.
  • Alumosilicates suitable in the context of the invention have no particles with a grain size above 30 ⁇ m and preferably consist of at least 80% by weight of particles with a size below 10 ⁇ m.
  • the polycarboxylates mentioned are known cobuilder substances in the form polymeric polycarboxylic acids or their water-soluble salts, in particular alkali salts, which can be obtained by polymerizing acrylic acid, methacrylic acid and / or maleic acid monomers or their salts. Such substances are preferably contained in the carrier material in amounts of from 1% by weight to 15% by weight, in particular from 5% by weight to 13% by weight, based in each case on the entire carrier material.
  • the preferred alkali metal for all of the ingredients mentioned is sodium.
  • spray towers in the upper part of which the slurry is sprayed into fine droplets by pressure nozzles, which move under the action of gravity into the lower part of the spray tower and come into contact with hot drying gases which are guided in cocurrent or preferably in countercurrent to the particles to be dried. It is important to ensure that the temperature of the drying gases is not so high that the temperature of the spray-dried particles rises above the self-ignition temperature of these particles.
  • aqueous, generally 30 to 60% by weight alkyl glycoside pastes as are usually obtained in the context of alkyl glycoside production and, if appropriate, subsequent bleaching.
  • the alkyl sulfate component and in particular the carrier component can be used as an aqueous solution or slurry.
  • at least about 35% by weight, preferably 40 up to 50% by weight of water is present in the slurry to be dried.
  • the powdery, pourable and free-flowing surfactant mixtures according to the invention produced by the process according to the invention preferably contain 10% by weight to 30% by weight of alkyl sulfate of the formula I,
  • R * is an alkyl radical having 10 to 20 carbon atoms and X is an alkali metal, ammonium or alkyl- or hydroxyalkyl-substituted ammonium ion, 2% by weight to 10% by weight of alkyl glycoside of the formula II,
  • R2 is an alkyl radical having 8 to 22 carbon atoms
  • G is a glycose unit
  • n is a number from 1 to 10, the weight ratio of
  • Alkyl sulfate to alkyl glycoside is 8: 1 to 1: 1,
  • an essentially inorganic carrier material which contains alkali carbonate and alkali alumosilicate in a weight ratio
  • Suitable alkyl sulfates for use in the alkylbenzenesulfonate-free surfactant mixtures according to the invention are the compounds of the formula I in which R * is an alkyl radical having 10 to 20 C atoms and X is an alkali metal, ammonium or alkyl or hydroxyalkyl-substituted ammonium ion Question.
  • R * is an alkyl radical having 10 to 20 C atoms
  • X is an alkali metal, ammonium or alkyl or hydroxyalkyl-substituted ammonium ion Question.
  • the derivatives of fatty alcohols with in particular 12 to 18 carbon atoms and their branched-chain analogs, the so-called oxo alcohols, are particularly suitable.
  • the alkyl sulfates can be prepared in a known manner by reacting the corresponding alcohol component with a conventional sulfating reagent, in particular sulfur trioxide or Chlorosulfonic acid, and subsequent neutralization with alkali, ammonium or alkyl or hydroxyalkyl-substituted ammonium bases.
  • a conventional sulfating reagent in particular sulfur trioxide or Chlorosulfonic acid
  • alkali, ammonium or alkyl or hydroxyalkyl-substituted ammonium bases are contained in the powders according to the invention preferably in amounts of 10% by weight to 30% by weight, in particular 12% by weight to 25% by weight.
  • alkyl glycosides suitable for incorporation into the surfactant mixtures according to the invention are compounds of the general formula II in which R 1 is an alkyl radical having 8 to 22 carbon atoms, G is a glycose unit and n is a number between 1 and 10.
  • R 1 is an alkyl radical having 8 to 22 carbon atoms
  • G is a glycose unit
  • n is a number between 1 and 10.
  • the glycoside component ((G) n in formula II) of such alkyl glycosides are oligomers or polymers from naturally occurring aldose or ketose monomers, in particular glucose, mannose, fructose, galactose, talose, gulose, alt ⁇ rose, allose, idose, ribose, arabinose, xylose and lyxose belong.
  • the oligomers consisting of such glycosidically linked monomers are characterized not only by the type of sugar they contain, but also by their number, the so-called degree of oligomerization.
  • the degree of oligomerization (n in formula II) generally assumes fractional numerical values as the quantity to be determined analytically; it is between 1 and 10, for the alkyl glycosides preferably used below 1.5, in particular between 1.2 and 1.4.
  • the preferred monomer building block is glucose because of its good availability.
  • the alkyl part (R 2 in formula II) of the alkyl glycosides contained in the surfactant mixtures according to the invention preferably also originates from easily accessible derivatives of renewable raw materials, in particular from fatty alcohols, although their branched chain isomers, in particular so-called oxo alcohols, are also suitable for the production of alkyl glycosides can be used. Accordingly, the primary alcohols with linear octyl, decyl, dodecyl, tetradecyl, hexadecyl or octa-decyl radicals and mixtures thereof are particularly useful.
  • the alkyl glycosides can be contain small amounts, for example 1 to 2%, of unreacted free fatty alcohol, which does not have a disadvantageous effect on the properties of the powder products produced therewith.
  • alkyl glycosides are contained in the surfactant mixtures according to the invention in amounts of 2% by weight to 10% by weight, preferably 3% by weight to 8% by weight, the weight ratio of alkyl sulfate to alkyl glycoside being 8: 1 to 1: 1, preferably 5: 1 to 2: 1.
  • the mixtures according to the invention can contain other surfactants, preferably nonionic surfactants and / or anionic surfactants and, in particular, fatty acid soaps with 8 to 22 carbon atoms, preferably 12 to 18 carbon atoms, and surfactants of the sulfate or sulfonate type preferably not more than 5% by weight, in particular from 0.1% by weight to 3% by weight, based in each case on the total surfactant preparation.
  • the sulphated alkoxylation products of the alcohols mentioned, so-called ether sulphates belong to the additionally usable surfactants of the sulphate type.
  • Such ether sulfates preferably contain 2 to 30, in particular 4 to 10, ethylene glycol groups per molecule.
  • Suitable anionic surfactants also include the oc-sulfoesters obtainable by reacting fatty acid esters with sulfur trioxide and subsequent neutralization, in particular those derived from fatty acids with 8 to 22 carbon atoms, preferably 12 to 18 carbon atoms, and linear alcohols with 1 to 6 carbon atoms -Atoms, preferably 1 to 4 carbon atoms, derived sulfonation products.
  • the nonionic surfactants in question include the alkoxylates, in particular the ethoxylates and / or propoxylates of linear or branched-chain alcohols having 10 to 22 carbon atoms, preferably 12 to 18 carbon atoms.
  • the degree of alkoxylation of the alcohols is between 1 and 20, preferably between 3 and 10. They can be prepared in a known manner by reacting the corresponding alcohols with the corresponding alkylene oxides.
  • the derivatives of fatty alcohols are particularly suitable, although their branched chain isomers, in particular so-called oxo alcohols, can also be used to prepare alkoxylates which can be used.
  • the ethoxylates of primary alcohols with linear dodecyl, tetradecyl, hexadecyl or octadecyl radicals are particularly useful as well as their mixtures.
  • Corresponding ethoxylation and / or propoxylation products of alkylamines, vicinal diols and carboxamides which correspond to the alcohols mentioned with regard to the alkyl moiety can also be used.
  • the preparations according to the invention can contain small amounts, preferably not more than 5% by weight in total, of further constituents which are customary in washing and cleaning agents and are stable under the spray drying conditions.
  • these optional constituents include, in particular, complex biiners for heavy metals, for example aminopolycarboxylic acids, aminohydroxypolycarboxylic acids, polyphosphonic acids and / or aminopolyphosphonic acids, graying inhibitors, for example cellulose ethers, foam inhibitors, for example organopolysiloxanes or paraffins, and optical brighteners, for example stilbene derivative disulphons.
  • the inventive surfactant mixtures do not contain more than 1% by weight, in particular 0.01% by weight to 0.5% by weight, of optical brighteners, in particular compounds from the class of the substituted 4,4'-bis (2, 4,6-triamino-s-triazinyl) -stilbene-2,2'-disulfonic acids, not more than 5% by weight, in particular 0.1% by weight to 2% by weight, of complexing agents for heavy metals, in particular aminoalkylenephosphonic acids and their salts, not more than 3% by weight, in particular 0.5% by weight to 2% by weight, of graying inhibitors and not more than 2% by weight, in particular 0.1% by weight to 1% by weight, of foam inhibitor Contain bitters, the weight percentages referring to the entire surfactant mixture.
  • optical brighteners in particular compounds from the class of the substituted 4,4'-bis (2, 4,6-triamino-s-triazinyl) -stilbene-2,2'-disulfonic acids, not more
  • the powdered surfactant mixtures according to the invention are used in particular as pourable and free-flowing precursors for the production of particulate detergents or cleaning agents.
  • the powders according to the invention should have average grain sizes of preferably 0.2 mm to 0.4 mm and should be largely free of particles with diameters of more than 2 mm or less than 50 ⁇ m. These limits are normally met by the surfactant mixtures obtained by spray drying, otherwise particles outside this size range can be removed by simple sieving and used in the manufacturing process. development process.
  • the bulk density of the powder products according to the invention is preferably between 400 and 600 grams per liter. If desired, their liter weight can be increased in principle by conventional densification, if they are to be used for the production of detergents or cleaning agents with a high liter weight, so-called heavy powders.
  • the preparations according to the invention are free-flowing, free-flowing powders which do not lose their advantageous properties even after prolonged storage. They are also lightening-free, light-colored, have an acceptable odor and show no tendency to jam. In contrast, strong clumping was found in powders which contained the same amounts of alkylbenzenesulfonate instead of alkyl sulfate. Products of this type were also unacceptably colored brown, even if they contained only relatively small amounts of alkyl glycoside, for example 3% by weight or less. All the more surprising are the unexpectedly positive properties of the surfactant mixtures according to the invention.
  • the surfactant mixtures according to the invention can be mixed in a manner known in principle with other constituents in the form of powder or powder which are customary in such agents, in particular bleaching agents, bleach activators, enzymes, foam inhibitors, optical brighteners, Graying inhibitors, for example cellulose ethers and abrasives, for example quartz powder, belong.
  • the spraying of liquid, liquefied or dissolved ingredients, for example liquid enzymes, dyes, fragrances or other surfactants, in particular nonionic surfactants, onto the powders according to the invention is also possible in a known manner.
  • the surfactant mixtures according to the invention are preferably used in amounts of from 50% by weight to 80% by weight, in particular from 65% by weight to 75% by weight, in each case based on the total agent, in the production of cleaning or washing agents. In particular for the production of cleaning agents, it is possible for the remainder to consist of 100% by weight of abrasives. Additional, in particular nonionic, surfactant is present in such washing or cleaning agents, with the exclusion of any surfactant mixture according to the invention Contained amount, preferably in amounts not more than 5 wt .-%, in particular from 0.5 wt .-% to 2 wt .-%, each based on the total agent.
  • Suitable foam inhibitors include long-chain soaps, in particular beef soap, fatty acid amides, paraffins, waxes, microcrystalline waxes, organopolysiloxanes and mixtures thereof, which can also contain microfine, optionally silanized or otherwise hydrophobized silica.
  • foam inhibitors are preferably bound to granular, water-soluble carrier substances, as described, for example, in German patent application DE 3436194, European patent applications EP 262588, EP 301414, EP 309931 or European patent EP 150386.
  • foam inhibitors based on the active substances mentioned, are preferably in amounts of not more than 1% by weight, in particular from 0.1% by weight to 1% by weight. , each based on the total agent and including the amount that may be contained in the surfactant mixture according to the invention.
  • the bleaching agents which can be considered as further constituents of such agents are the peroxygen compounds generally used in detergents, such as perborate, which can be present as a tetra- or monohydrate, percarbonate, perpyrophosphate and persilicate, which are generally used as alkali metal salts in particular as sodium salts.
  • Such bleaches are contained in detergents or cleaning agents produced using surfactant mixtures according to the invention, preferably in amounts of not more than 25% by weight, in particular from 12% by weight to 20% by weight, in each case based on the total agent.
  • the component of the bleach activators comprises the commonly used N- or 0-acyl compounds, for example multiply acylated alkylenediamines, in particular tetraacetylethylene diamine, acylated glycolurils, in particular tetraacetylglycoluril, N-acylated hydantoins, hydrazides, triazoles, urazoles, diketopamideazines, cyanuryl amide, sulfuryl also carboxylic anhydrides, in particular phthalic anhydride, carboxylic acid esters, in particular sodium isononanoyl phenol sulfonate, and acylated sugar derivatives, in particular pentaacetyl glucose.
  • N- or 0-acyl compounds for example multiply acylated alkylenediamines, in particular tetraacetylethylene diamine, acylated glycolurils, in particular tetraacetylglycoluril, N-acylated
  • the bleach activators can be coated or granulated with Hü11 substances in a known manner to avoid the interaction with the per-compounds during storage, with tetraacetylethylenediamine granulated with carboxymethyl cellulose with average grain sizes of 0.01 mm to 0.8 m, as described, for example, by The method described in the European patent EP 037026 can be produced, is particularly preferred.
  • Bleach activators of this type are preferably contained in amounts of not more than 10% by weight, in particular from 2% by weight to 8% by weight, in each case based on the total agent, in detergents or cleaning agents prepared using surfactant mixtures according to the invention.
  • Suitable enzymes are those from the class of proteases, lipases, amylases and cellulases and their mixtures, which are stable and active even under the temperature conditions of white washing. Enzymes obtained from fungi or bacterial strains such as Bacillus subtilis, Bacillus licheniformis, Bacillus lentus and Streptomyces griseus are preferably used. The enzymes used can be adsorbed onto carrier substances in a known manner, embedded in coating substances and / or granulated with the aid of carrier substances in order to make them easier to handle and to protect them against premature inactivation.
  • Such enzymes are preferably in amounts of not more than 2% by weight, in particular from 0.4% by weight to 1.2% by weight, in detergents or cleaning agents prepared using surfactant mixtures according to the invention, in each case based on the total mean.
  • the detergents and cleaning agents produced using the surfactant mixtures according to the invention are stable in storage, free-flowing and stable in color. Another advantage is that when the surfactant mixtures according to the invention are used, largely inert filler salts, in particular alkali metal sulfate, can be dispensed with. Examples
  • Alkyl sulfate, the sodium silicate and the alkyl glycoside, the zeolite in the form of an approximately 50% by weight aqueous slurry, the alkyl glycoside as an approximately 50% by weight aqueous solution and the sodium silicate in the form of an approximately 35% by weight water glass solution was set, an aqueous slurry containing 44 wt .-% water was generated from the raw materials listed in Table 1.
  • This slurry which had viscosities of 4500 mPa.s to 6400 mPa.s at 60 ° C to 80 ° C, was heated to temperatures of approximately 60 ° C to 80 ° C and
  • the free-flowing powder Ml characterized in Table 1 by its composition was obtained with an average grain size of around 0.5 mm, which was free of particles over 1.8 mm in diameter, had dust contents of 0.15% by weight and a bulk density of Had 540 grams per liter.
  • the detergent W1 was prepared by simply mixing the amount of the powder according to the invention specified in the table below with conventional detergent ingredients. In washing tests under application conditions (drum washing machine Miele W 716, 3.5 kg of normally soiled laundry, water hardness 16 ° d, dosage 98 g detergent), this showed an average of all soiling at 30 ° C as well as at 60 ° C and 90 ° C a washing power which at least reached the level of a commercial heavy-duty detergent tested for comparison purposes with a fatty alkyl polyethoxylate / alkylbenzenesulfonate surfactant component.
  • the agent according to the invention performed significantly better, especially in the case of cosmetic soiling.

Landscapes

  • 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)
  • Detergent Compositions (AREA)
  • Medicinal Preparation (AREA)
  • Cosmetics (AREA)

Abstract

Un procédé de préparation de mélanges pulvérulents d'agents tensioactifs par séchage par pulvérisation de suspensions aqueuses des éléments constitutifs doit permettre de remplacer l'alkylbenzolsulfonate normalement utilisé par de l'alkylsulfate, sans que la substance séchée par pulvérisation ne s'enflamme spontanément, et d'obtenir toutefois des produits pulvérulents déversables et coulants qui ne se grumellent pas. A cet effet, on mélange une quantité comprise entre 2 et 15 parties en poids d'alkylsulfate ayant la formule R1-OSO3X, dans laquelle R1 désigne un résidu alkyle ayant 10 à 20 atomes de carbone et X désigne un ion ammonium substitué par alcali, ammonium, alkyle ou hydroxyalkyle, une quantité comprise entre 1 et 5 parties en poids d'alkylglycoside ayant la formule R2-O(G)n, dans laquelle R2 désigne un résidu alkyle ayant 8 à 22 atomes de carbone, G désigne une unité glycosique et n un nombre compris entre 1 et 10, le rapport en poids entre l'alkylsulfate et l'alkylglycoside étant compris entre 8:1 et 1:1, et une quantité comprise entre 20 et 100 parties en poids d'un excipient essentiellement anorganique sans phosphates contenant du carbonate alcalin et de l'alumosilicate alcalin dans un rapport en poids compris entre 2:1 et 1:3, avec autant d'eau que nécessaire pour obtenir un mélange coulant et pompable, puis on déshydrate le mélange par séchage par pulvérisation, en utilisant des gaz de séchage à des températures inférieures à 250 °C, jusqu'à obtenir un produit pulvérulent coulant.
EP92923773A 1991-11-30 1992-11-23 Melange pulverulent d'agents tensioactifs Expired - Lifetime EP0614484B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4139551 1991-11-30
DE4139551A DE4139551A1 (de) 1991-11-30 1991-11-30 Pulverfoermige tensidmischung
PCT/EP1992/002694 WO1993011212A1 (fr) 1991-11-30 1992-11-23 Melange pulverulent d'agents tensioactifs

Publications (2)

Publication Number Publication Date
EP0614484A1 true EP0614484A1 (fr) 1994-09-14
EP0614484B1 EP0614484B1 (fr) 1997-04-09

Family

ID=6445990

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92923773A Expired - Lifetime EP0614484B1 (fr) 1991-11-30 1992-11-23 Melange pulverulent d'agents tensioactifs

Country Status (6)

Country Link
EP (1) EP0614484B1 (fr)
JP (1) JPH07501564A (fr)
AT (1) ATE151452T1 (fr)
DE (2) DE4139551A1 (fr)
ES (1) ES2100367T3 (fr)
WO (1) WO1993011212A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19524464C2 (de) * 1995-07-10 2000-08-24 Cognis Deutschland Gmbh Verfahren zur Herstellung von Zuckertensidgranulaten
US5571446A (en) * 1995-07-27 1996-11-05 Diversey Corporation Anionic stabilized enzyme based clean-in-place system
DE19624637A1 (de) * 1996-06-21 1998-01-02 Henkel Kgaa Waschverfahren für Textilien mit verbesserten Pflegeeigenschaften
GB2318584A (en) * 1996-10-25 1998-04-29 Procter & Gamble Process for preparing detergent compositions by spray drying
DE19710153C1 (de) 1997-03-12 1998-02-12 Henkel Kgaa Verfahren zur Herstellung neutraler Zuckertensidgranulate
EP0879876A1 (fr) * 1997-05-21 1998-11-25 The Procter & Gamble Company Procédé de préparation d'une composition détergente granulaire ou d'un composant comprenant un agent tensioactif soluble dans l'eau
DE10018812A1 (de) 2000-04-15 2001-10-25 Cognis Deutschland Gmbh Verfahren zur Herstellung von nichtionischen Tensidgranulaten

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4536319A (en) * 1983-10-04 1985-08-20 The Procter & Gamble Company Compositions comprising alkylpolysaccharide detergent surfactant
WO1990004630A1 (fr) * 1988-10-21 1990-05-03 Henkel Corporation Procede de preparation d'une boue detergente et d'une composition detergente particulaire
DE4102745A1 (de) * 1991-01-30 1992-08-06 Henkel Kgaa Pulverfoermige tensidmischung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9311212A1 *

Also Published As

Publication number Publication date
DE4139551A1 (de) 1993-06-03
ATE151452T1 (de) 1997-04-15
DE59208338D1 (de) 1997-05-15
WO1993011212A1 (fr) 1993-06-10
EP0614484B1 (fr) 1997-04-09
JPH07501564A (ja) 1995-02-16
ES2100367T3 (es) 1997-06-16

Similar Documents

Publication Publication Date Title
EP0228011B1 (fr) Détergent granulaire à teneur en phosphates réduite
EP1148868B1 (fr) Melanges detergents
EP0663946B1 (fr) Produits d'interet et melanges de produits d'interet pour agents mouillants, detergents et/ou nettoyants sous une nouvelle forme de preparation
DE4124701A1 (de) Verfahren zur herstellung fester wasch- und reinigungsmittel mit hohem schuettgewicht und verbesserter loesegeschwindigkeit
WO1993015180A1 (fr) Procede pour fabriquer des produits solides de lavage et de nettoyage de densite apparente elevee et presentant une vitesse de dissolution amelioree
EP0642573B1 (fr) Melange de tensioactifs pulverulents
EP0569371B1 (fr) Methode de preparation des melanges pulverulents d'agents tensio-actifs
EP0614484B1 (fr) Melange pulverulent d'agents tensioactifs
EP1920039A1 (fr) Substances solides contenant des polymeres cationiques
EP0698079A1 (fr) Produits de lavage et de nettoyage contenant une lipase
DE4224947A1 (de) Enzymhaltiges Waschmittel
EP2207871B1 (fr) Compositions de lessive ou de détergent et leur fabrication
DE4236698A1 (de) Enzymhaltiges Waschmittel
EP1141186B1 (fr) Granules tensioactifs
EP1043387B1 (fr) Granules d'alkylbenzènesulfonate
DE4434500A1 (de) Verbessertes Extrusionsverfahren zur Herstellung von Waschmitteln
EP0576479B1 (fr) Produit de lavage liquide ou pateux
DE4125178A1 (de) Pulverfoermige aniontensidzubereitung
DE4325882A1 (de) Enzymatischer Vergrauungsinhibitor
EP0971999A1 (fr) Granules detergents
EP0936267A2 (fr) Composé de silicate de métal alcalin / tensioactif nonionique
DE4403146A1 (de) Wasch- und Reinigungsmittelgemische für den Einsatz im neutralen bis alkalischen Bereich
WO1996001886A1 (fr) Detergent contenant de la cellulase
DE4241472A1 (de) Textilwaschmittel, enthaltend Glycerinethersulfate

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19940524

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE DE ES FR IT

17Q First examination report despatched

Effective date: 19950127

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

RBV Designated contracting states (corrected)

Designated state(s): AT BE DE ES FR IT

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE DE ES FR IT

REF Corresponds to:

Ref document number: 151452

Country of ref document: AT

Date of ref document: 19970415

Kind code of ref document: T

ET Fr: translation filed
REF Corresponds to:

Ref document number: 59208338

Country of ref document: DE

Date of ref document: 19970515

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2100367

Country of ref document: ES

Kind code of ref document: T3

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 20021113

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 20030117

Year of fee payment: 11

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20031123

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20031130

BERE Be: lapsed

Owner name: *HENKEL K.G.A.A.

Effective date: 20031130

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20061108

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20061116

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20061130

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20061222

Year of fee payment: 15

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20080603

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20080930

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20071124

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20071130

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20071124

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20071123