EP0716684B1 - Adjuvant de lavage pour produits de lavage ou de nettoyage - Google Patents

Adjuvant de lavage pour produits de lavage ou de nettoyage Download PDF

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Publication number
EP0716684B1
EP0716684B1 EP94926862A EP94926862A EP0716684B1 EP 0716684 B1 EP0716684 B1 EP 0716684B1 EP 94926862 A EP94926862 A EP 94926862A EP 94926862 A EP94926862 A EP 94926862A EP 0716684 B1 EP0716684 B1 EP 0716684B1
Authority
EP
European Patent Office
Prior art keywords
weight
quantities
sodium
additives
roll
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.)
Expired - Lifetime
Application number
EP94926862A
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German (de)
English (en)
Other versions
EP0716684A1 (fr
Inventor
Volker Bauer
Wolfgang Seiter
Jochen Jacobs
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
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Filing date
Publication date
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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
    • C11D11/00—Special methods for preparing compositions containing mixtures of detergents
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/12—Water-insoluble 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
    • C11D11/0082—Special methods for preparing compositions containing mixtures of detergents one or more of the detergent ingredients being in a liquefied state, e.g. slurry, paste or melt, and the process resulting in solid detergent particles such as granules, powders or beads
    • C11D11/0088—Special methods for preparing compositions containing mixtures of detergents one or more of the detergent ingredients being in a liquefied state, e.g. slurry, paste or melt, and the process resulting in solid detergent particles such as granules, powders or beads the liquefied ingredients being sprayed or adsorbed onto solid particles
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/12—Water-insoluble compounds
    • C11D3/124—Silicon containing, e.g. silica, silex, quartz or glass beads
    • C11D3/1246—Silicates, e.g. diatomaceous earth
    • C11D3/1253—Layer silicates, e.g. talcum, kaolin, clay, bentonite, smectite, montmorillonite, hectorite or attapulgite
    • C11D3/1273—Crystalline layered silicates of type NaMeSixO2x+1YH2O

Definitions

  • the invention relates to a builder component with a very high bulk density and to detergents or cleaning agents which contain this component.
  • Such crystalline layered silicates are described, for example, in European patent application EP-A-0 164 514.
  • Preferred crystalline layered silicates are those in which M is sodium and x is 2 or 3.
  • both ⁇ - and ⁇ -sodium disilicate Na 2 Si 2 O 5 .yH 2 O are preferred, wherein ⁇ -sodium disilicate can be obtained, for example, by the method described in international patent application WO-A-91/08171.
  • ⁇ -sodium disilicate is commercially available under the name SKS 7 (R)
  • ⁇ -sodium disilicate is available under the name SKS 6 (R) (commercial products from Hoechst AG, Federal Republic of Germany).
  • SKS 7 (R) commercial products from Hoechst AG, Federal Republic of Germany.
  • crystalline layered silicates according to the disclosure of the international patent application WO-A-92/18594 spray-drying detergent-containing slurries suffer losses in their washing action caused by the destruction of their physical structure, they should preferably be used by other process methods in washing or cleaning agents can be incorporated. However, due to their high proportion of fine grains and thus their dusty structure, these powders are also unsuitable for use as an admixing component with other granular components of detergents or cleaning agents. In addition, since crystalline layered silicates such as crystalline disilicates have a lower dissolution rate in water than amorphous silicates, local deposits on the textiles can lead to an increase in the pH value to values above 12, which can damage the textile fibers.
  • the crystalline layered silicates are used in the form of a granular builders component which contains at least 10% by weight of crystalline layered silicates and 5 to 90% by weight in water Form of ions of organic acids and / or inorganic or organic salts present, the material used should not, however, exceed an average size of 300 ⁇ m, and optionally contain further binders, surfactants and other common ingredients of detergents or cleaning agents.
  • a preferred way of producing this builder component is roller compaction, in which a pressure of 10 to 50 kN / cm roller length and preferably around 25 kN / cm roller length is used.
  • Such builders components still have high pH values in 1% aqueous solution; however, since these components have a higher dissolution rate than the powder, the risk of local deposits on textiles and thus damage to textile fibers is reduced.
  • this invention is limited to builder components which contain a maximum of 95% by weight of crystalline layered silicates.
  • the object of the invention was to further develop methods of roller compacting builders components containing crystalline phyllosilicates in such a way that, on the one hand, the most effective, i.e. concentrated builders components are obtained and on the other hand an improvement in the dissolving behavior of builders components which contain crystalline phyllosilicates above 95% by weight is achieved.
  • the builders components should therefore contain as little as possible of additives.
  • the invention accordingly relates to a process for the preparation of a builder component which contains crystalline phyllosilicates of the formula NaMSi x O 2x + 1 .yH 2 O, where M is sodium or hydrogen, x is a number from 1.9 to 4 and y is a number of 0 to 20, by roller compacting at pressures up to 50 kN / cm roller length, the crystalline layered silicates in amounts of more than 95% by weight to 99.8% by weight and customary solid ingredients of detergents or cleaning agents as additives in Amounts of 0.2 to less than 5 wt .-% are used.
  • Disilicates particularly ⁇ -sodium disilicates and ⁇ -sodium disilicate, are used as particularly preferred crystalline sheet silicates.
  • Which conventional solid ingredients of washing or cleaning agents can in principle be used can be found, for example, in international patent application WO-A-92/18594.
  • the invention particularly includes a method for roller compaction, in which 96 to 99% by weight of crystalline phyllosilicates are compacted in a mixture with additives, which are either organic acids, preferably polybasic organic acids, and / or salts of inorganic and / or organic acids, preferably polybasic acids. It was particularly surprising that even small amounts of these preferred additives are sufficient to bring about a significantly improved dissolving behavior of the builders components compared to a 100% by weight roll-compacted crystalline layered silicate granulate.
  • additives which are either organic acids, preferably polybasic organic acids, and / or salts of inorganic and / or organic acids, preferably polybasic acids.
  • additives are sulfates, in particular sodium sulfate and carbonates
  • the preferred organic additives include citric acid, tartaric acid, succinic acid, glutaric acid, adipic acid and sugar acids and their salts. These additives can be used alone or in a mixture with each other.
  • sulfate and / or citrate can be used with preference for their sodium salts or combinations of two or three with polybasic organic acids with preference for citric acid. Due to the small amount of additives that is used in total, in most cases only one selected compound or a maximum of two selected compounds will be compacted in a mixture with the crystalline layered silicates.
  • the roller pressing itself can be carried out without or with a pre-compression of the premixed powdery material.
  • the pair of rollers can be arranged in any spatial direction, in particular thus vertically or horizontally to one another.
  • the mixture to be compacted or the sole powder of crystalline layered silicate is then fed to the roll gap either by gravity filling or by means of a suitable device, for example by means of a stuffing screw.
  • the material to be compacted is then pressed through the gap of a pair two rollers running in opposite directions at approximately the same circumferential speed and thereby compacted into a plate-like or band-shaped material to be pressed, which is also referred to as a sliver belt.
  • Preferred press pressures are between 7 and 30 kN / cm roll length and in particular press presses between 10 and 25 kN / cm roll length. Press pressures between 12 and 20 kN / cm roll length are particularly advantageous.
  • the shoulder strap is then subjected to a comminution process.
  • This comminution or grinding can take place, for example, in a mill.
  • the comminuted material is then expediently subjected to a screening process, coarse material being separated off and returned to the comminution device, while material which is too fine is added again to the batch of the powdery mixture or the powdered layered silicate and is again fed to the compacting in the nip.
  • the sliver belt is preferably made by conventional grinding into granules with a particle size range of 0.05 mm to 2 mm, preferably with a particle size range that consists of at least 70% by weight of granules with a particle diameter between 0.1 and 1.6 mm , is set, while fine-grain fractions with granule diameters below 0.05 mm are returned to the compacting and coarse-grained fractions with granule diameters above 2 mm are returned to the grinding.
  • a granular builder component is obtained which has a bulk density between 800 and 1100 g / l.
  • the granular builder components obtained are selected in a subsequent step with further ingredients of washing or cleaning agents, preferably with impregnating agents, from the group of ethoxylated nonionic surfactants, mixtures of nonionic and anionic surfactants, pasty aqueous nonionic and / or anionic surfactants, the water possibly being subsequently dried off, and the silicone oils and paraffin oils, in particular with nonionic surfactants.
  • the builders components can then additionally with powdery solids, be powdered in particular with powdered crystalline layered silicates.
  • the invention relates to a washing or cleaning agent which contains the builders components according to the invention.
  • these agents preferably contain the builder components according to the invention in amounts of 10 to 70% by weight and in particular in amounts of 20 to 60% by weight.
  • the washing or cleaning agents contain other customary inorganic and / or organic builders, contents of 25 to 50% by weight of the builders components according to the invention are particularly advantageous.
  • the washing or cleaning agents can contain all the usual ingredients such as anionic, nonionic, amphoteric, cationic and / or zwitterionic surfactants, other builders such as zeolite and / or phosphates, phyllosilicates such as bentonites, polycarboxylates such as citrates etc., polymeric polycarboxylates such as salts of homo- or copolymers of acrylic acid, bleaching agents and bleach activators, graying inhibitors such as cellulose ether or polyvinylpyrrolidone, optical brighteners, dyes and fragrances, and enzymes and enzyme stabilizers. Foam inhibitors can also be included.
  • other builders such as zeolite and / or phosphates, phyllosilicates such as bentonites, polycarboxylates such as citrates etc., polymeric polycarboxylates such as salts of homo- or copolymers of acrylic acid, bleaching agents and bleach activators, graying inhibitors such as cellulose
  • the agents can consist of a base granulate or of a multicomponent mixture, whereby multicomponent mixtures can be advantageous.
  • enzyme granules and, for example, bleach activator granules, but also foam inhibitor granules or individual constituents such as sodium carbonate, sodium silicate or polycarboxylate are subsequently mixed in.
  • the individual components can be made by spray drying, granulation, extrusion or other conventional techniques.
  • the agents have a bulk density above 650 g / l, preferably above 700 g / l.
  • detergents or cleaning agents with bulk densities above 800 g / l can also be produced without these agents tending to separate.
  • These agents are also suitable for concentrates with high surfactant contents.
  • a high anionic surfactant content can be achieved by admixing a highly concentrated anionic surfactant compound, for example by spray drying, spray neutralization or by granulation and simultaneous drying in a fluidized bed was obtained, and a high nonionic surfactant content can be achieved by admixing the builder components according to the invention with high nonionic surfactant contents. Washing or cleaning agents with 15 to 40% by weight, in particular with 18 or 20 to 35% by weight, anionic and nonionic surfactants are preferred.
  • roller-compacted granules produced according to the invention are mixed into extruded granules which may contain highly concentrated anionic surfactant compounds and are preferably low in nonionic to nonionic in particular.
  • Crystalline layered silicates of the type SKS 6 (R) ( ⁇ -sodium disilicate, commercial product from Hoechst AG, Germany) and the inorganic or organic salts of polybasic acids specified below were pressed at a pressure of 17 kN / cm on a roller press of the type WR 50 N / 75 (Alexanderwerk AG, Germany) at 20 ° C to form crusts of approx. 1 mm thickness. After comminution into granules with an average particle size range of 0.1 to 1.6 mm, products with the bulk densities specified below were obtained. The dissolving speeds given in the table were determined for the sieve fraction 0.6 to 0.8 mm according to the following test:

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Detergent Compositions (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)

Claims (12)

  1. Procédé de production de composant builder, qui contient des silicates feuilletés cristallins de formule NaMSiXO2X+1·yH2O, où M représente le sodium ou l'hydrogène, x un nombre de 1,9 à 4 et y un nombre de 0 à 20, par compactage par cylindres à des pressions de compression pouvant atteindre 50 kN/cm de longueur de cylindre,
    caractérisé en ce qu'
    on utilise les silicates feuilletés cristallins en des quantités supérieures à 95 % en poids jusqu'à 99,8 % en poids et les autres composants usuels solides des produits de lavage et de nettoyage comme additifs en des quantités de 0,2 à moins de 5 % en poids.
  2. Procédé selon la revendication 1,
    caractérisé en ce qu'
    on utilise les silicates feuilletés en des quantités de 96 à 99 % en poids et, comme additifs des acides organiques, de préférence des polyacides, et/ou des sels d'acides minéraux et/ou organiques et/ou des polyacides.
  3. Procédé selon la revendication 1 ou 2,
    caractérisé en ce qu'
    on réalise le compactage par cylindres à des pressions de compression comprises entre 7 et 30 kN/cm de longueur de cylindre, de préférence à des pressions de compression comprises entre 10 et 25 kN/cm de longueur de cylindre et notamment entre 12 et 20 kN/cm de longueur de cylindre.
  4. Procédé selon l'une des revendications 1 à 3,
    caractérisé en ce qu'
    on utilise comme silicates feuilletés cristallins des disilicates et notamment du B-disilicate de sodium et/ou du δ-disilicate de sodium.
  5. Procédé selon l'une des revendications 1 à 4,
    caractérisé en ce qu'
    on utilise comme additifs un ou plusieurs acides organiques du groupe de l'acide citrique, l'acide tartrique, les acides succiniques, l'acide glutarique, l'acide adipique et les acides sacchariques, surtout l'acide citrique.
  6. Procédé selon l'une des revendications 1 à 5,
    caractérisé en ce qu'
    on utilise comme additifs des sels minéraux et/ou organiques de polyacides, de sulfate et/ou de citrate, de préférence de sulfate de sodium et/ou de citrate de sodium.
  7. Procédé selon l'une des revendications 1 à 6,
    caractérisé en ce qu'
    on transforme la bande comprimée par broyage habituel en granulés avec une répartition de grains de 0,05 mm à 2 mm, de préférence avec une répartition de grains de 0,05 mm à 2 mm, de préférence avec une répartition de grains qui est constituée d'au moins 70 % en poids de granulés compris entre 0,1 et 1,6 mm et on retourne au compactage les fractions de grains fins ayant des diamètres de granulés inférieurs à 0,05 mm et on recycle au broyage les fractions de grains grossier avec des diamètres de granulés supérieurs à 2 mm.
  8. Procédé selon l'une des revendications 1 à 7,
    caractérisé en ce qu'
    on produit un composant builder granulé avec une densité apparente comprise entre 800 et 1100 g/l.
  9. Procédé selon l'une des revendications 1 à 8,
    caractérisé en ce qu'
    on charge les composants builders granulés obtenus lors d'une étape consécutive avec d'autres composants de produits de lavage ou de nettoyage, notamment avec des tensioactifs non ioniques.
  10. Procédé selon l'une des revendications 1 à 9,
    caractérisé en ce qu'
    on ajoute par mélange les granulés obtenus par compactage sur cylindres, chargés de préférence de tensioactifs non ioniques à des granulés extrudés qui contiennent le cas échéant des mélanges de tensioactifs anioniques très concentrés et qui ont peu ou pas de tensioactifs non ioniques.
  11. Produit de lavage ou de nettoyage contenant des composants builders préparés selon le procédé de l'une des revendications 1 à 10.
  12. Produit de lavage ou de nettoyage selon la revendication 11,
    caractérisé en ce qu'
    il contient les composants builders en des quantités de 10 à 70 % en poids, de préférence en des quantités de 20 à 60 % en poids et notamment en des quantités de 25 à 50 % en poids ainsi que le cas échéant d'autres substances builders usuelles minérales et/ou organiques.
EP94926862A 1993-09-01 1994-08-22 Adjuvant de lavage pour produits de lavage ou de nettoyage Expired - Lifetime EP0716684B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4329392A DE4329392A1 (de) 1993-09-01 1993-09-01 Gerüststoffkomponente für Wasch- oder Reinigungsmittel
DE4329392 1993-09-01
PCT/EP1994/002777 WO1995006707A1 (fr) 1993-09-01 1994-08-22 Adjuvant de lavage pour produits de lavage ou de nettoyage

Publications (2)

Publication Number Publication Date
EP0716684A1 EP0716684A1 (fr) 1996-06-19
EP0716684B1 true EP0716684B1 (fr) 1997-04-09

Family

ID=6496502

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94926862A Expired - Lifetime EP0716684B1 (fr) 1993-09-01 1994-08-22 Adjuvant de lavage pour produits de lavage ou de nettoyage

Country Status (7)

Country Link
EP (1) EP0716684B1 (fr)
JP (1) JPH09501978A (fr)
KR (1) KR960705018A (fr)
AT (1) ATE151453T1 (fr)
DE (2) DE4329392A1 (fr)
ES (1) ES2100742T3 (fr)
WO (1) WO1995006707A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19525197A1 (de) * 1995-07-11 1997-01-16 Hoechst Ag Granularer Waschmittelbuilder
DE19756696A1 (de) 1997-12-19 1999-07-01 Clariant Gmbh Schichtsilikathaltige Wasch- und Reinigungsmittelkomponente
GB2339194A (en) * 1998-07-08 2000-01-19 Procter & Gamble Layered crystalline silicate as detergent builder component

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3624336A1 (de) * 1986-07-18 1988-01-28 Henkel Kgaa Verfahren zur herstellung von rieselfaehigen alkalischen reinigungsmitteln durch kompaktierende granulation
DE3633519A1 (de) * 1986-10-02 1988-04-14 Henkel Kgaa Verfahren zur herstellung von rieselfaehigen, stabilen schauminhibitor-konzentraten durch kompaktierende granulation
GB9108639D0 (en) * 1991-04-23 1991-06-12 Procter & Gamble Particulate detergent compositions

Also Published As

Publication number Publication date
DE4329392A1 (de) 1995-03-02
KR960705018A (ko) 1996-10-09
ATE151453T1 (de) 1997-04-15
JPH09501978A (ja) 1997-02-25
WO1995006707A1 (fr) 1995-03-09
DE59402397D1 (de) 1997-05-15
ES2100742T3 (es) 1997-06-16
EP0716684A1 (fr) 1996-06-19

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