EP2209880B1 - Granulat d'un ingrédient sensible d'un agent de lavage ou de nettoyage - Google Patents

Granulat d'un ingrédient sensible d'un agent de lavage ou de nettoyage Download PDF

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Publication number
EP2209880B1
EP2209880B1 EP08852613A EP08852613A EP2209880B1 EP 2209880 B1 EP2209880 B1 EP 2209880B1 EP 08852613 A EP08852613 A EP 08852613A EP 08852613 A EP08852613 A EP 08852613A EP 2209880 B1 EP2209880 B1 EP 2209880B1
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EP
European Patent Office
Prior art keywords
granules
enzyme
granulate
washing
cleaning
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.)
Not-in-force
Application number
EP08852613A
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German (de)
English (en)
Other versions
EP2209880A1 (fr
Inventor
Peter Schmiedel
Wolfgang Rybinski Von
Petra Padurschel
Elke Scholl
Stephan Gomolka
Cornelius Bessler
Sören HÖLSKEN
Bernhard Guckenbiehl
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Henkel AG and Co KGaA
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Henkel AG and Co KGaA
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Priority to PL08852613T priority Critical patent/PL2209880T3/pl
Publication of EP2209880A1 publication Critical patent/EP2209880A1/fr
Application granted granted Critical
Publication of EP2209880B1 publication Critical patent/EP2209880B1/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
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0039—Coated compositions or coated components in the compositions, (micro)capsules
    • 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
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0008—Detergent materials or soaps characterised by their shape or physical properties aqueous liquid non soap compositions
    • C11D17/0013—Liquid compositions with insoluble particles in suspension
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2003—Alcohols; Phenols
    • C11D3/2041—Dihydric alcohols
    • C11D3/2044—Dihydric alcohols linear
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/22—Carbohydrates or derivatives thereof
    • C11D3/222—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3707—Polyethers, e.g. polyalkyleneoxides
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3757—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions
    • C11D3/3761—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions in solid compositions
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/38—Products with no well-defined composition, e.g. natural products
    • C11D3/386—Preparations containing enzymes, e.g. protease or amylase
    • C11D3/38672—Granulated or coated enzymes
    • 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
    • C11D3/39—Organic or inorganic per-compounds
    • C11D3/3902—Organic or inorganic per-compounds combined with specific additives
    • C11D3/3905—Bleach activators or bleach catalysts
    • C11D3/3935—Bleach activators or bleach catalysts granulated, coated or protected
    • 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
    • C11D3/40—Dyes ; Pigments
    • C11D3/42—Brightening agents ; Blueing agents
    • 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
    • C11D3/50—Perfumes
    • C11D3/502—Protected perfumes
    • C11D3/505—Protected perfumes encapsulated or adsorbed on a carrier, e.g. zeolite or clay

Definitions

  • the present application relates to granules of sensitive detergent or cleaner ingredients.
  • the present invention further relates to processes for the preparation of such granules, detergents and cleaners containing such granules, and the use of suitable components for the preparation of such granules.
  • detergents and cleaners are generally named without consciously distinguishing between liquid and solid compositions. This is due to the fact that liquid and gel agents have only been intensively developed in the last few years and that older documents have almost always been based on solid funds. As a rule, however, granules developed for solid compositions are not suitable for incorporation into liquid, in particular water-containing, compositions because they are not physically stable there and rapidly disintegrate under the action of the solvent.
  • WO 00/29534 A1 discloses the preparation of granules in which various layers are applied to an inert core or support. This may also include an enzyme layer, which is obligatorily covered to the outside by one or more protective layers.
  • protective layers for the enzyme herein are disclosed the materials titanium dioxide, methyl cellulose (Methocel A15), polyethylene glycol (PEG 600), polyvinyl alcohol (Elvanol 51-05) and a specific nonionic surfactant (Neodol 23-6.5). According to the description, these granules have high stability values and low dust numbers.
  • the publication DE 10 2006 018 780 discloses granules of a sensitive detergent or cleaning agent ingredient, enzymes also being such an ingredient.
  • the granules described here are similar to the granules described in the present application, but differ in essential features that are crucial for improved stability of the granules in detergents and cleaners, especially in liquid detergents and cleaners, namely in the selection and combination the specific granule components.
  • the object was to develop an improved form of confectioning, in particular improved granules, in which sensitive ingredients, especially enzymes, in storage in detergents and cleaners, especially in liquid and very particularly in aqueous detergents and cleaners against Inactivation, for example, by aggressive, especially bleaching ingredients are adequately protected. It should advantageously also be comparatively inexpensive feasible.
  • such a granulate is characterized in that the core of the granules 0.01-45% by weight of the sensitive detergent or cleaning agent ingredient, 0.1-94 wt .-% particulate carrier material and 1-20 wt% PEG contains.
  • a substance which is suitable for several of these components is counted only once, so that in each case a granulate according to the invention is always at least a mixture of components (a) with (b) and a component (c) different therefrom which comprises the core of such granules.
  • the invention consists in obtaining granules having favorable properties by selecting favorable combinations of components (b) and (c), advantageously matching them to one another and, in particular, advantageously with a very specific coating comprising components (d) and ( e) are combined.
  • an optimum of the respective proportions is determined experimentally.
  • the sieving test described below in the present application is used to determine the disintegration index after appropriate storage of the granules according to the invention.
  • Granules according to the invention are characterized by the fact that they are physically particularly stable in detergents or cleaning agents, in particular in liquid or gel-containing and especially in water-containing liquid or gel detergents or cleaners, and moreover represent effective protection against other compounds.
  • the activities of the enzyme components granulated in this way in otherwise liquid compositions are kept at a high level for a surprisingly long time.
  • when used in detergents and cleaning agents at the moment of their use they show a good disintegration and dissolution behavior and allow a rapid release of the substances contained, virtually without leaving any residue on the laundry.
  • they are relatively easy to produce.
  • granules are to be understood as a solid form of preparation in which a plurality of ingredients - in this case as granule core comprising components (a), (b), (c) and as a coating comprising components (d) and (e) - not in the form of a powder but in the form of discrete particles or granules (granules, granules). In sum, these are referred to as granules.
  • Granules in particular the granule cores, generally have no harmonic geometric shape; their surface can be rather smooth, uneven or even jagged. The mass is in many cases more or less porous. Preference is given to granules whose granules have a largely uniform size and / or approximately spherical shape.
  • the granules are therefore characterized in that the sensitive detergent or cleaning agent ingredient (a) comprises a perfume, an optical brightener, a bleach activator, an enzyme or an enzyme mixture. More preferably, the or at least one enzyme is a protease, amylase, cellulase, lipase, hemicellulase, pectinase, mannanase, oxidase or perhydrolase.
  • Fragrances are added to laundry detergents or cleaners to improve the aesthetics of the products and provide consumers with a visually and sensory "typical and unmistakable" product in addition to washing or cleaning performance.
  • fragrances individual fragrance compounds, for example, the synthetic products of the ester type, ethers, aldehydes, ketones, alcohols and hydrocarbons can be used.
  • Fragrance compounds of the ester type are, for example, benzyl acetate, phenoxyethyl isobutyrate, p-tert-butylcyclohexyl acetate, linalyl acetate, dimethylbenzylcarbinyl acetate, phenylethyl acetate, linalyl benzoate, benzyl formate, ethylmethylphenyl glycinate, allylcyclohexyl propionate, styrallyl propionate and benzyl salicylate.
  • the ethers include, for example, benzyl ethyl ether, to the aldehydes, for example, the linear alkanals having 8-18 carbon atoms, citral, citronellal, citronellyloxyacetaldehyde, cyclamen aldehyde, hydroxycitronellal, lilial and bourgeonal, to the ketones for example the ionone, ⁇ -isomethylionone and methyl cedryl ketone , the alcohols include anethole, citronellol, eugenol, geraniol, linalool, phenylethyl alcohol and terpineol, the hydrocarbons mainly include the terpenes such as limonene and pinene.
  • fragrances may also contain natural fragrance mixtures as are available from vegetable sources, for example pine, citrus, jasmine, patchouli, rose or ylang-ylang oil. Also suitable are muscatel, sage, chamomile, clove, lemon balm, mint, cinnamon, lime, juniper, vetiver, olibanum, galbanum and labdanum, and orange blossom, neroliol, orange peel and sandalwood.
  • the content of detergents or cleaners of fragrances is up to 2% by weight of the total formulation. In the design of granules according to the invention, which are intended for use in detergents and cleaners, this must be taken into account accordingly.
  • salts of 4,4'-bis (2-anilino-4-morpholino-1,3,5-triazinyl-6-amino) stilbene-2,2'-disulphonic acid or compounds of similar construction which are used instead of the morpholino Group carry a diethanolamino group, a methylamino group, an anilino group or a 2-methoxyethylamino group.
  • brighteners of the substituted diphenylstyrene type may be present, for example, the alkali salts of 4,4'-bis (2-sulfostyryl) -diphenyl, 4,4'-bis (4-chloro-3-sulfostyryl) -diphenyl, or 4 - (4-chlorostyryl) -4 '- (2-sulfostyryl).
  • Mixtures of the aforementioned brightener can be used.
  • These brightener types can be used in any desired mixing ratios.
  • Such brighteners are available, for example, under the trade name Tinopal from Ciba.
  • detergents may also contain bleach activators. Due to their reactivity, it is indicated in the context of the present invention to also pack these ingredients in the form of granules according to the invention.
  • Such bleach activators are, for example, compounds which give, under perhydrolysis conditions, aliphatic peroxycarboxylic acids having preferably 1 to 10 C atoms, in particular 2 to 4 C atoms, and / or optionally substituted perbenzoic acid.
  • Suitable substances are those which carry O- and / or N-acyl groups of the stated C atom number and / or optionally substituted benzoyl groups.
  • polyacylated alkylenediamines in particular tetraacetylethylenediamine (TAED), acylated triazine derivatives, in particular 1,5-diacetyl-2,4-dioxohexahydro-1,3,5-triazine (DADHT), acylated glycolurils, in particular tetraacetylglycoluril (TAGU), N- Acylimides, in particular N-nonanoylsuccinimide (NOSI), acylated phenolsulfonates, in particular n-nonanoyl or isononanoyloxybenzenesulfonate (n- or iso-NOBS), carboxylic anhydrides, in particular phthalic anhydride, acylated polyhydric alcohols, in particular triacetin, ethylene glycol diacetate and 2,5-diacetoxy- 2,5-dihydrofuran, n-methyl-morph
  • Further bleach activators preferably used in the context of the present application are compounds from the group of cationic nitriles, in particular cationic nitriles of the formula in the R 1 is -H, -CH 3 , a C 2-24 alkyl or alkenyl radical, a substituted C 2-24 alkyl or alkenyl radical having at least one substituent from the group -Cl, -Br, - OH, -NH 2 , -CN, an alkyl or alkenylaryl radical having a C 1-24 -alkyl group, or represents a substituted alkyl or alkenylaryl radical having a C 1-24 -alkyl group and at least one further substituent on the aromatic ring, R 2 and R 3 are independently selected from -CH 2 -CN, -CH 3 , -CH 2 -CH 3 , -CH 2 -CH 2 -CH 3 , -CH (CH 3 ) -CH 3 , -CH 2 -
  • bleach catalysts may also be used in addition to the bleach activators or in their place.
  • These substances are bleach-enhancing transition metal salts or transition metal complexes such as, for example, Mn, Fe, Co, Ru or Mo saline complexes or carbonyl complexes.
  • Mn, Fe, Co, Ru, Mo, Ti, V and Cu complexes with N-containing tripod ligands and Co, Fe, Cu and Ru ammine complexes can also be used as bleach catalysts.
  • complexes of manganese in the oxidation state II, III, IV or IV which preferably contain one or more macrocyclic ligands with the donor functions N, NR, PR, O and / or S.
  • ligands are used which have nitrogen donor functions.
  • bleach catalyst (s) in the compositions of the invention, which as macromolecular ligands 1,4,7-trimethyl-1,4,7-triazacyclononan (Me-TACN), 1,4,7-triazacyclononane (TACN ), 1,5,9-trimethyl-1,5,9-triazacyclododecane (Me-TACD), 2-methyl-1,4,7-trimethyl-1,4,7-triazacyclononane (Me / Me-TACN) and / or 2-methyl-1,4,7-triazacyclononane (Me / TACN ) contain.
  • macromolecular ligands 1,4,7-trimethyl-1,4,7-triazacyclononan (Me-TACN), 1,4,7-triazacyclononane (TACN ), 1,5,9-trimethyl-1,5,9-triazacyclododecane (Me-TACD), 2-methyl-1,4,7-trimethyl-1,4,7-triazacyclononane (Me /
  • Bleach activators or catalysts can be used in the usual amount range from 0.01 to 20 wt .-%, preferably in amounts of 0.1 to 15 wt .-%, in particular 1 wt .-% to 10 wt .-%, based on the total Detergent or detergent composition, be included. In special cases, however, more bleach activator can also be used. In the design of granules according to the invention, which are intended for use in detergents and cleaners, this must be taken into account accordingly and the content of the bleach activator in the granules accordingly increased so that such an amount of bleach activator in the later detergent or cleaning composition available stands.
  • Preferred embodiments of the present invention are granules of enzymes. This inherently established class of ingredients, depending on their respective specificity, leads to a corresponding improvement in the cleaning performance of the agents concerned.
  • These enzymes are basically of natural origin; However, starting from the natural molecules, improved variants are often available for use in detergents or cleaners, which are preferably used accordingly.
  • Component (a) therefore comprises one or more hydrolytic enzymes and / or oxidoreductases, preferably proteases, amylases, in particular ⁇ -amylases, cellulases, lipases, hemicellulases, in particular pectinases, mannanases, ⁇ -glucanases, oxidases, catalases, peroxidases, laccases, perhydrolases or mixtures thereof, including preferably also oxidation-stabilized enzymes of the respective type of enzyme.
  • hydrolytic enzymes and / or oxidoreductases preferably proteases, amylases, in particular ⁇ -amylases, cellulases, lipases, hemicellulases, in particular pectinases, mannanases, ⁇ -glucanases, oxidases, catalases, peroxidases, laccases, perhydrolases or mixtures thereof, including preferably also oxidation-stabilized enzymes
  • Particularly preferred embodiments of this article form such enzyme granules, wherein the enzyme is one or a mixture of the following enzymes: protease, amylase, cellulase, lipase, hemicellulase, pectinase, mannanase, oxidase and perhydrolase, preferably an oxidation-stabilized enzyme of the respective of enzyme.
  • Oxidation-stabilized enzymes are preferably those which have been stabilized against oxidation, for example by mutagenesis, in particular point mutagenesis, and are therefore more catalytically active under oxidative conditions than the unstabilized precursor enzyme from which it was produced.
  • proteases are those of the subtilisin type such as the subtilisins BPN 'and Carlsberg, the protease PB92, the subtilisins 147 and 309, the alkaline protease from Bacillus lentus, subtilisin DY and the subtilases but not the subtilisins in the narrower sense Enzyme Thermitase, Proteinase K and the proteases TW3 and TW7, as well as their further developments for use in detergents or cleaners.
  • amylases are the ⁇ -amylases from Bacillus licheniformis, from B. amyloliquefaciens or from B. stearothermophilus and their further developments for use in detergents or cleaners.
  • Granules of the invention may contain lipases or cutinases, in particular because of their triglyceride-cleaving activities, but also to generate in situ peracids from suitable precursors. These include, for example, the lipases originally obtainable from Humicola lanuginosa (Thermomyces lanuginosus) or further developed, in particular those with the amino acid exchange D96L.
  • Granules according to the invention especially if they are intended for the treatment of textiles, cellulases or endoglucanases (EC), depending on the purpose as pure enzymes, as enzyme preparations or in the form of mixtures in which the individual components advantageously in terms of their various performance aspects complete.
  • performance aspects include, in particular, contributions to the primary washing performance, the secondary washing performance of the composition (anti-redeposition effect or graying inhibition) and softening (fabric effect), up to the exercise of a "stone washed" effect.
  • Examples of cellulases to be formulated according to the invention are based on the 50 kD EG, or the 43 kD EG from Humicola insolens, in particular Uhmicola insolens DSM 1800.
  • granules according to the invention may also contain oxidoreductases, for example oxidases, oxygenases, catalases (which react as peroxidase at low H 2 O 2 concentrations), peroxidases, such as halo, chloro, bromo, lignin, glucose or Manganese peroxidases, dioxygenases or laccases (phenol oxidases, polyphenol oxidases).
  • oxidoreductases for example oxidases, oxygenases, catalases (which react as peroxidase at low H 2 O 2 concentrations), peroxidases, such as halo, chloro, bromo, lignin, glucose or Manganese peroxidases, dioxygenases or laccases (phenol oxidases, polyphenol oxidases).
  • perhydrolases As advantageous examples of an enzymatic perhydrolysis is applied to the applications WO 98/45398 A1 .
  • WO 2005/056782 A2
  • the detergent or detergent content is in a concentration of 0.01-45 wt.%, And more preferably 0.1-40 wt.%, 0.5-35 wt.%, And 0.75 -30 wt .-% present in the core of a granule according to the invention.
  • the protein concentration ie also that of an enzyme to be prepared according to the invention
  • BCA method bicinchoninic acid, 2,2'-biquinolyl-4,4'-dicarboxylic acid
  • the biuret method US Pat. Gornall AG, CS Bardawill and MM David, J. Biol. Chem., 177 (1948), pp. 751-766 ).
  • the sensitive detergent or cleaning agent ingredient is processed together with the components (b) and (c) into a largely uniform granulate.
  • a particulate carrier material (b) is understood to be a powdery or particulate material which is solid at room temperature and is inert until it is incorporated into granules according to the invention, which is chemically inert to such an extent that it is subject to the conditions of preparation, processing and storage of the granules does not react with any other of the ingredients of the granules or agent in a degree affecting the overall effectiveness of the granules. Due to its structure, it can physically bind liquids or gelatinous or pasty substances to its surface to a certain extent, so that it can also be referred to as adsorbent in connection with the present invention.
  • inorganic substances such as clays, silicates or sulfates, in particular talc, silicic acid, metal oxides, in particular aluminum oxides, silicates, in particular phyllosilicates, sodium aluminum silicates, bentonites and / or aluminosilicates (zeolite) and / or titanium dioxide.
  • organic compounds especially organic polymers, such as polyvinyl alcohol (PVA) in particular at least partially hydrolyzed PVA.
  • PVA polyvinyl alcohol
  • the particulate carrier material (b) fulfills an additional benefit, for example a builder function or a function as a disintegration aid when using the washing or cleaning agent which contains a granulate according to the invention.
  • the particulate carrier material (b) is a form of starch, derivatized starch, cellulose or derivatized cellulose or combinations thereof.
  • a granulate according to the invention is characterized in that the particulate carrier material is flour, in particular wheat flour, wheat starch, corn starch, potato starch or combinations thereof.
  • the particulate carrier material is in a concentration of 0.1-94 wt .-% and increasingly preferably 2-90 wt .-%, 5-85 wt .-%, 10-82 wt .-% and 20-80 wt. % present in the core of a granulate according to the invention.
  • these compounds additionally act as disintegration aids (solubility improvers) and thus improve the solubility of the granules at the moment in which the granules are actually to disintegrate, namely at the moment of application of the agent containing them.
  • disintegration aids for washing and cleaning agents are generally used in dilute form, that is added to an aqueous wash liquor.
  • the coating becomes permeable and it diffuses water into the granules, which then burst and release their ingredient, so that it can be effective. This shortens the disintegration times of the granules.
  • Such substances which are also referred to as disintegrants due to their action, increase their volume upon ingress of water, on the one hand increasing the intrinsic volume (swelling), and on the other hand creating a pressure via the release of gases which causes the granules to disintegrate into smaller particles.
  • Known disintegrants include, for example, carbonate / citric acid systems, although other organic acids can be used.
  • Such further solubility enhancers can further enhance this disintegration process.
  • Such further Lösigesverêter are present in a proportion by weight of 0-50 wt .-% based on the granules in a granule according to the invention.
  • they are selected from the group consisting of water-soluble inorganic salts, monosaccharides, preferably glucose, oligosaccharides, organic polymers, preferably crosslinked polyvinylpyrrolidones or crosslinked polyacrylates.
  • An example of a suitable crosslinked polyvinylpyrrolidone is the crosslinked polyvinylpyrrolidone Collidon CL (commercial product from BASF, Ludwigshafen).
  • the preferred disintegrating agents used in the present invention are cellulose-based disintegrating agents which at the same time function as a particulate carrier material.
  • a temporal regulation of the release of different ingredients in a detergent or cleaning agent containing an inventive granules for example, such that the granulated ingredient only slightly later than one or more other ingredients of the agent goes into solution.
  • granulated enzymes have a delayed effect on a bleaching agent contained in the agent, so that a part of the bleaching agent has already reacted in the wash liquor and the enzyme is no longer so strongly affected.
  • the bleaching agent or the bleach activator can be brought into action in a similar manner with a time delay.
  • polyethylene glycol As a binder for the granules of the invention polyethylene glycol (PEG) is used.
  • PEG polyethylene glycol
  • PEG is outstandingly suitable as a binder in a granulate according to the invention, ie the granules according to the invention have the desired advantageous properties with PEG as binder, in particular they are more stable in detergents and cleaners according to the invention.
  • the granules obtained it is therefore essential which combinations of ingredients are used, in particular which combinations of components (b) and (c) are used.
  • Particularly advantageous granules are obtained when one or more starch or starch derivatives are combined as a particulate carrier material (b) with PEG as binder (c).
  • PEG as a binder is present in a concentration of 1-20 wt .-%, preferably 2-15 wt .-% in the core of a granule according to the invention.
  • the granules are characterized in that the sensitive detergent or cleaning agent ingredient (a) is an enzyme or an enzyme mixture and the enzyme or the enzyme mixture is present together with a compound which has an enzyme-stabilizing effect.
  • Such compounds are contained as preferred further ingredients, especially in enzyme-containing granules. They serve especially during storage as protection against damage such as Inactivation, denaturation or disintegration such as by physical influences, oxidation or proteolytic cleavage. In microbial recovery of proteins and / or enzymes, inhibition of proteolysis is particularly preferred, especially if the agents also contain proteases. Preferred granules of the invention (or agents, see below) contain stabilizers for this purpose.
  • One group of stabilizers are reversible protease inhibitors. Frequently, benzamidine hydrochloride, borax, boric acids, boronic acids or their salts or esters are used, in particular derivatives with aromatic groups, for example ortho, meta or para-substituted phenylboronic acids, in particular 4-formylphenylboronic acid (4-FPBA) , or the salts or esters of the compounds mentioned.
  • 4-FPBA represents a particularly preferred embodiment of the invention.
  • Peptide aldehydes, ie oligopeptides with a reduced C-terminus, in particular those of from 2 to 50 monomers, are also used for this purpose.
  • peptidic reversible protease inhibitors include ovomucoid and leupeptin.
  • specific, reversible peptide inhibitors for the protease subtilisin and fusion proteins from proteases and specific peptide inhibitors are suitable.
  • Phosphates are also suitable as enzyme stabilizers. Dibutyl phosphate and diphenyl phosphate are especially preferred in this regard.
  • Such compounds are also reversible protease inhibitors and are therefore suitable as enzyme stabilizers.
  • enzyme stabilizers are amino alcohols such as mono-, di-, triethanol- and -propanolamine and mixtures thereof, aliphatic carboxylic acids up to C 12 , such as succinic acid, other dicarboxylic acids or salts of said acids. End-capped fatty acid amide alkoxylates are also suitable for this purpose. Some organic acids used as builders can additionally stabilize an enzyme. Lower aliphatic alcohols, but especially polyols, such as glycerol, ethylene glycol, propylene glycol, sorbitol or di-glycerol phosphate are other frequently used enzyme stabilizers against physical influences. Likewise, calcium and / or magnesium salts are used, such as calcium acetate or calcium formate.
  • Polyamide oligomers or polymeric compounds such as lignin, water-soluble vinyl copolymers or cellulose ethers, acrylic polymers and / or polyamides stabilize the enzyme preparation, inter alia, against physical influences or pH fluctuations.
  • Polyamine N-oxide containing polymers act simultaneously as enzyme stabilizers and as dye transfer inhibitors.
  • Other polymeric stabilizers are linear C 8 -C 18 polyoxyalkylenes.
  • alkylpolyglycosides can stabilize the enzymatic components of the agent according to the invention and, preferably, are capable of additionally increasing their performance.
  • Crosslinked N-containing compounds preferably perform a dual function as soil release agents and as enzyme stabilizers.
  • Hydrophobic, nonionic polymer stabilizes in particular an optionally contained cellulase. Reducing agents and antioxidants increase the stability of the enzymes to oxidative degradation; are for this For example, sulfur-containing reducing agents common, such as sodium sulfite and reducing sugars.
  • peptide-aldehyde stabilizers are favorably enhanced by the combination with boric acid and / or boric acid derivatives and polyols, and still further by the additional action of divalent cations, such as calcium ions.
  • Phosphate stabilizers can also be part of a combination of stabilizers.
  • fermentation media components and / or concomitants resulting from enzyme production and not completely separated may also be present, which have a stabilizing effect on the enzyme or enzymes.
  • the granules are characterized in that they also contain one or more compounds acting as buffer system or pH adjusting agent.
  • the compound which acts as a buffer system or pH adjusting agent is particularly preferably selected from the group consisting of carbonate, hydroxide, phosphate, borate, carboxylic acids or salts thereof, in particular, for example, citrate.
  • a buffer system or pH adjusting agent is particularly preferably selected from the group consisting of carbonate, hydroxide, phosphate, borate, carboxylic acids or salts thereof, in particular, for example, citrate.
  • granules according to the invention have an encasing (coating, coating).
  • coating, coating and coating are to be regarded as synonyms in the present application.
  • this wrapper serves to further protect the ingredients, but may also serve other purposes, such as delaying release, improving bulk properties, for example lowering the dust rate, increasing stability, and / or improving the visual appearance.
  • Granules according to the invention have a coating comprising a pH-sensitive soluble polyacrylate and 1,2-propylene glycol.
  • the pH-sensitive soluble polyacrylate is preferably polyacrylate, polymethacrylate or methacrylic acid-ethyl acrylate copolymer.
  • Particularly preferred pH-sensitive soluble polyacrylates according to the invention are sold under the trade name Eudragit® by the company Degussa (Frankfurt / Main). Specifically, it is a methacrylic acid-ethyl acrylate copolymer (1: 1), commercial product Eudragit ® L 100-55.
  • such granules according to the invention have improved stability values.
  • Example 1 a coating was made with such a polyacrylate (methacrylic acid-ethyl acrylate copolymer (1: 1)), which gave excellent stability values.
  • a polyacrylate methacrylic acid-ethyl acrylate copolymer (1: 1)
  • Kollicoat MEA from BASF.
  • combinations or mixtures of pH-sensitive, soluble polyacrylates are from 1 to 600 wt%, and more preferably from 2 to 500 wt%, from 4 to 400 wt%, from 5 to 300 wt%, from 7 to 200 wt .-% and particularly preferably from 10 to 100 wt .-% in the granules before based on the granule core.
  • a pH-sensitive polyacrylate has different properties, in particular a different solubility, depending on the pH.
  • the pH sensitivity of the polyacrylates promotes the solubility of the granules at the moment when the granules are supposed to disintegrate, namely at the moment of application of the agent containing them.
  • For washing and cleaning agents are usually used in dilute form as an aqueous wash liquor.
  • the pH changes, causing a change in the solubility of the coating. This promotes the release of the ingredient or the ingredients of the granules so that it can come into effect.
  • 1,2-propylene glycol serves as a plasticizer. It also contributes to the stability of the granules according to the invention.
  • a granulate according to the invention may additionally contain one or more further plasticizers. These optional plasticizers are preferably selected from the group consisting of triethyl citrate, triacetin, other polyfunctional alcohols and polyethylene glycol. Concretely, in Example 1, a coating containing 1,2-propylene glycol as a plasticizer was produced. This has had a positive effect on the processability and stability of the material and thus ultimately on the advantageous properties of the resulting coated granules.
  • the plasticizer or mixtures thereof are present in an amount ranging from 1% to 100% and more preferably from 10% to 90%, from 20% to 80%, from 30% to 70%, and more preferably from 40% to 60% of the existing polyacrylate corresponds.
  • the amount of plasticizer present is 50% of the amount of the pH-sensitive polyacrylate present, so that the ratio of plasticizer to polyacrylate is particularly preferably 1: 2.
  • pH-sensitive soluble polyacrylate and / or the plasticizer are mixtures, the above percentages relate to the polyacrylate mixture or the plasticizer mixture and not separately to each individual substance.
  • a granule of the present invention is preferably further configured such that the cladding is from 1.5 to 900% by weight, and more preferably from 3 to 750% by weight, from 6 to 600% by weight, from 7 , From 5 to 450 wt .-%, from 10.5 to 300 wt .-% and particularly preferably from 15 to 150 wt .-% of the granule core.
  • Such a ratio between coating and granule core has been found to be particularly advantageous for the stability of the granules.
  • This information refers to the ready-made granules. At the moment of manufacture, these values may still be slightly different because granules are usually subjected to a drying step even after their coating.
  • the granules according to the invention are characterized in that the coating has an average layer thickness of at least 10 ⁇ m.
  • the layer thickness is increasingly preferably at least 20 microns, 30 microns, 40 microns, 50 microns and 60 microns, but it can also be 70 microns, 80 microns, 90 microns or 100 microns.
  • a sufficient average minimum layer thickness is necessary or advantageous for the stability of the granules.
  • An inventive granules may have more than one envelope. Therefore, it is a further preferred embodiment of the invention that the granules are characterized in that it comprises a second enclosure.
  • This is understood to mean that, for example, a plurality of wraps are applied to the core material, which may differ in their composition.
  • this is understood to mean the fact that an envelope has different layers, which can be distinguished, for example, on the basis of their different compositions.
  • the differentiation of wraps can thus be done, for example, on the basis of their composition and / or on the basis of their average distance from the granule core and / or on the basis of their sequential application to the granules.
  • the layer thicknesses and quantities described above refer to any existing coating, ie in the case of the presence of two or more coating layers, each layer may have the specified layer thickness or be present in the specified amounts.
  • the granules are characterized in that the second coating contains more than 10 wt .-% PEG.
  • the PEG content of the granule core and the PEG content of the coating.
  • each enclosure may contain these ingredients.
  • a coating may further comprise one or more fillers selected from the group of inorganic particles, preferably silicate, silica, titania or alumina, more preferably talc. Such fillers may be used, for example, to influence the overall plasticity of the coating in question and / or of the particles obtained in order to improve their diffusion-tightness or to regulate the bulk density of the particles.
  • any wrap, i. also a second and each further coating of the granules contain plasticizers which are selected from the group: triethyl citrate, triacetin, polyhydric alcohol, in particular 1,2-propanediol, and polyethylene glycol.
  • the coating of a granulate according to the invention may additionally contain color pigments, preferably titanium dioxide.
  • Color pigments serve according to the invention to improve the optical appearance of the granules and can also have an overall positive effect on the plasticity of the respective material.
  • the coating of a granulate according to the invention may additionally comprise one or more compounds acting as an antioxidant.
  • the object in which the object has been set in particular to protect ingredients against bleaching agents, that is to say against oxidation, it makes sense, and from the present application, to include this protective function of the granules by an additional coating applied via the coating To complement protection. It therefore advantageously contains antioxidants. Antioxidants are known per se to the person skilled in the art.
  • Granules according to the invention preferably have an average particle diameter of 100 to 4,000 ⁇ m, preferably 200 to 2,500 ⁇ m, particularly preferably 400 to 3,000 ⁇ m. These size ranges have been found to be advantageous to achieve rapid disintegration and release of the ingredients at the moment of use of the funds in question and also to give the product a special aesthetic impression. In addition, it is visually appealing and also in terms of manageability and to achieve a Uniform profile of action advantageous to submit the granules in a uniform size distribution as possible, depending on the manufacturing process certain fluctuation ranges are taken into account.
  • the size of the particles may be regulated by variations of the manufacturing methods used to produce the particles, as known to those skilled in the art.
  • those granules obtainable by extrusion in which 90% of all particles are within a range of ⁇ 20% of the mean size are preferred. This can be controlled via the nozzle plate. In the case of the fluidized bed granules, those in which 90% of all particles are within a range of ⁇ 50% of the mean size are preferred. This can be ensured as ultimately for the extrudates via screening.
  • Desintegration index as a stability measure of granules according to the invention is to be understood as meaning the disintegration of the granules that is to be observed macroscopically.
  • a slight, which does not significantly affect the activity of the granulated ingredients, possibly swelling of the granules in a strongly water-containing environment or the separation of isolated smaller particles is not meant hereby and can certainly be observed with granules according to the invention.
  • a slight abrasion occurs, which is optionally observed in a liquid or gel preparation containing the particles of the invention as a suspended matter and / or leads to a slight turbidity.
  • the liquid containing the granules is subjected to a sieve test. It is quantitatively given without applying a pressure or vacuum through a sieve having a smaller mesh size than the granules, so that the granules are retained by the sieve.
  • the mesh size of the screen may be 280 ⁇ m.
  • the sieve can be rinsed with an equal sodium sulfate / sodium citrate solution and finally rinsed with distilled water. An implementation of this detection is described in Example 5, wherein additionally during incubation at lower Speed has been shaken, which is not absolutely necessary according to the invention.
  • a non-disintegration according to the invention is then considered when more than 50% by weight of the initially weighed-in particle mass (before stirring into the solution) remains on the sieve after the sieve residue has dried. More preferably, more than 60, 70, 80, 90 and most preferably more than 95% of the originally weighed particulate mass remains on the screen.
  • the disintegration index for the respective particles is defined as the quotient of the particle mass (residue) remaining on the sieve and the originally weighed particle mass and is stated as weight% residue, the residue being determined after the above-described storage of the particles.
  • the numerical value of the disintegration index is therefore the higher, the fewer particles are disintegrated during the storage period and are not retained on the sieve.
  • a non-disintegration according to the invention is present when the disintegration index is at least 50%. Increasingly, the disintegration index is 60, 70, 80, 90, and most preferably more than 95%.
  • the solution according to the invention can be applied to all sensitive ingredients (component (a)) mentioned in connection with the present invention. Because they are all fundamentally equally endangered, especially against oxidation, and are protected according to the invention in principle in the same way.
  • the extent of disintegration can not be related to the substantial retention of the mass of the particles, but to the maintenance of the enzyme activity.
  • the enzyme activity can be determined depending on the processed enzyme according to known methods. Thus it has been shown experimentally that in the granules described in the examples according to the invention not only the majority of the initially weighed particle mass (before stirring into the solution) remained on the sieve, but also a large part of the enzymatic activity. This is more than 50%, and more preferably more than 60, 70, 80, 90, and most preferably more than 95%. In contrast, granules of the prior art, which had a structurally different structure, showed significantly worse values.
  • a further subject of the present invention are processes for the preparation of each granulate according to the invention.
  • Production processes for granules are known to the person skilled in the art.
  • Chapter 6 Production of Powdered detergents
  • Laundry detergents in Ullmann's Encyclopedia of Industrial Chemistry (Wiley, VCH, 2005 ) various methods known in the art for the preparation of various chemical compounds, especially for use in detergents and cleaners are described.
  • the method of extrusion is listed, with the comparatively high densities and low-dust products can be achieved.
  • a production process is particularly advantageous which comprises, as a process step, the extrusion of the core materials, because in this case the thermal load of the enzyme preparation can be kept low.
  • all known processes for extrusion are applicable according to the invention.
  • the material leaving the extruder is passed through a perforated disc with subsequent doctor blade and thereby comminuted to form cylindrical particles of defined size.
  • the diameter of the holes in the perforated disc is 0.7 to 1.2 mm, preferably 0.8 to 1.0 mm.
  • the drying is preferably carried out using a fluidized bed dryer at inlet air temperatures of preferably 35 ° C to 70 ° C and in particular at a product temperature of not more than 60 ° C to the desired residual moisture content of, for example, 2 wt .-% to 10 wt .-%, in particular 3 Wt .-% to 8 wt .-%, based on the total granules.
  • the binder PEG component (c) is therefore processed simultaneously with the sensitive detergent or cleaning agent ingredient, in particular enzyme, preferably in the form of a previous mixture of these two components with each other Processing of these components has the effect that the resulting granules are particularly stable, for example liquid enzyme preparations having an enzyme protein content of 0.1 to 50%, preferably 5 to 40%, particularly preferably 10 to 35% are suitable for the production of the granules.
  • the coating materials in particular those with a waxy structure and / or consistency (that is, with melting points above room temperature) are applied in the form of a melt.
  • organic coating materials may be dissolved in an organic solvent as a solution. All of these methods are possible implementations of the present invention. However, preference is given to those according to which the coating materials are applied in the form of an aqueous solution or suspension and the excess water is then optionally evaporated. Because this reduces the risk of denaturation contained in the granular particles sensitive ingredients, in particular enzymes, at elevated temperature or in contact with the solvents in question. Even contained perfumes could be dissolved out of the particles with organic solvents. Also in terms of environmental protection, the coating using water as the solvent is preferred.
  • the method is characterized in that the wrapping material is sprayed in a fluidized bed apparatus from an aqueous solution / suspension onto the particles to be coated.
  • the granules particles preferably enzyme particles
  • the coating material is sprayed on via a top sprayer. This is preferably carried out under drying conditions, ie 40-45 ° C, so that the product has about 35-38 ° C and remains dry.
  • the method is characterized in that the total mass of the wrapping material forming the outer wrapping is from 1.5 to 900% by weight, and more preferably from 3 to 750% by weight, from 6 to 600 wt .-%, from 7.5 to 450 wt .-%, from 10.5 to 300 wt .-% and particularly preferably from 15 to 150 wt .-% of the granule core.
  • the total mass of the wrapping material forming the outer wrapping is from 1.5 to 900% by weight, and more preferably from 3 to 750% by weight, from 6 to 600 wt .-%, from 7.5 to 450 wt .-%, from 10.5 to 300 wt .-% and particularly preferably from 15 to 150 wt .-% of the granule core.
  • such a ratio between coating and granule core, i. uncoated granules for the stability of the resulting granules proved to be particularly advantageous.
  • the method is characterized in that a neutralization of the polyacrylate takes place with ammonia. This has proven to be particularly advantageous since the ammonia probably escapes during the coating process and the polymer is thus returned to its insoluble acid form. This results in very particular significant improvements in the stability of the granules.
  • Another object of the invention are detergents or cleaning compositions containing a granulate according to the invention, as described above.
  • solid, liquid or gel detergents and cleaners are provided which contain sensitive ingredients, in particular enzymes, with good protection against others, in particular containing bleaching ingredients.
  • the confectioning form as granules according to the invention is physically largely stable to perform its protective function. On the other hand, it shows in the application, that is, at the moment of dilution by the aqueous wash liquor, a good release behavior, so that the sensitive ingredients, especially enzymes, quickly available in an active form and leave virtually no residue on the laundry.
  • the washing or cleaning agent is preferably predominantly liquid, gelatinous or pasty and preferably water-containing.
  • such a washing or cleaning agent is characterized in that it has a water content of increasingly preferably 5 to 95, 10 to 90, 20 to 80, 30 to 70, 40 to 60, 45 to 55 wt .-% and most preferably of 50% by weight.
  • the washing or cleaning agent has a density of 1.00 to 1.50 g / ml, preferably from 1.02 to 1.30 g / ml, more preferably from 1.05 to 1.15 g / ml.
  • a washing or cleaning agent according to the invention may contain an inorganic salt, preferably a sulfate, particularly preferably sodium sulfate, this being present in a content of from 3 to 30% by weight, preferably from 5 to 20% by weight, more preferably from 7 to 10 Wt .-% is present in the liquid, gel or pasty phase.
  • the washing or cleaning agent can be adapted to the granules in terms of its physico-chemical properties.
  • advantageousously, often desired and achievable in this way is thereby a floating of the particles in such a predominantly liquid, gel or pasty agent.
  • the optimum of density, nature and dissolution behavior of the granules on the one hand and water and / or electrolyte content and density of funds on the other hand is to be determined experimentally in individual cases. Particular care should be taken to ensure that the particles do not prematurely disintegrate.
  • granules according to the invention can also be used advantageously in solid detergents and cleaners.
  • agents provided with granules according to the invention contain enzymes preferably in total amounts of 1 ⁇ 10 -8 to 5 percent by weight, based on active protein. In the design of granules according to the invention, which are intended for use in detergents and cleaners, this must be taken into account accordingly.
  • Another preferred embodiment of the invention is a washing or cleaning agent, which also contains a bleaching agent which is selected from the group: enzymatic bleaching system, inorganic bleaching system, organic bleaching system or a mixture thereof.
  • Bleaching agents for use in detergents and cleaners are known per se. In the following, therefore, advantageous bleaching agents or systems according to the invention will be described in greater detail.
  • percarbonate and perborate in particular the sodium percarbonate, the sodium perborate tetrahydrate and the sodium perborate monohydrate, are of particular importance.
  • bleaching agents from the group of organic bleaching agents can be used.
  • Typical organic bleaches are the diacyl peroxides such as dibenzoyl peroxide.
  • Other typical organic bleaches are the peroxyacids.
  • the bleaching agents are preferably used in combination with bleach activators, in particular with bleach activators as described above.
  • this causes an improved bleaching performance.
  • washing or cleaning agents which are 1 to 35% by weight, preferably 2.5 to 30% by weight, particularly preferably 3.5 to 20% by weight and in particular 5 to 15% by weight, of bleaching agent are particularly preferred , preferably sodium percarbonate.
  • a suitable substrate is reacted by a corresponding enzyme, so that hydrogen peroxide is formed.
  • This can then be activated enzymatically or chemically.
  • chemically released hydrogen peroxide can also be transferred to an activated form by an enzymatic system.
  • a preferred embodiment of this aspect of the invention are detergents and cleaners according to the invention, wherein the sensitive ingredient is an oxidative enzyme. In this way, on the one hand, the oxidative enzyme is protected against acting compounds, for example, against the highly concentrated surfactants of a liquid detergent formulation.
  • the enzyme and the substrate can be largely separated from one another in this way, so that a reaction between the two occurs only at the moment of use, that is, the bursting of the granulate particles when strongly diluted with water. In this way, the substrate is not prematurely consumed and is almost completely available for the desired use.
  • a combined enzymatic bleaching system comprising an oxidase and a perhydrolase, for example, describes the application WO 2005/124012 ,
  • Example 1 Preparation of enzyme granules according to the invention
  • the extrudate was extruded through a 1.5 mm die, hot cut, rounded and dried.
  • a water-based liquid detergent base formulation with a pH of 5.0 ⁇ 0.2 was used for the comparative experiments. 98 parts by weight of this liquid detergent were mixed with 2 parts by weight of the enzyme granules of Example 1 according to the invention.
  • the resulting detergent according to the invention is referred to below as E1.
  • the practical use concentration of such a detergent in a wash liquor is about 5 g / l.
  • this granulate thus contained 78% by weight of the particulate carrier material (b) and 7% by weight of the binder polyacrylate.
  • Example 4 Comparison of the formulation according to the invention with the comparative formulations
  • the formulations E1 and V1, V2 and V3 were stored at the temperatures specified in the table in the formulation from Example 2. After periods of 0, 1, 2, 4 and 8 weeks, the enzyme activity was determined using a "Continnous Flow Apparatus" (Skalar / Erkelenz). The method is based on the cleavage of casein, staining of the hydrolysis products with trinitrobenzene sulfonic acid and their photometric determination.
  • the enzyme granules according to the invention in this formulation when diluted to application concentration with water (5 g / l) is much more soluble than the granules V3. After 5 minutes, 90% of it is disintegrated, whereas in V3 it is only after 15 minutes that no coarser, flaky residues can be observed.
  • Example 5 Disintegration test of enzyme granules
  • the sieve was dried for 48 h at 35 ° C. and the granules remaining in the sieve were weighed out and related to the initial value. In each case duplicate determinations were carried out.
  • the granules of the invention showed substantially no disintegration, i. they showed values of disintegration index well above 50%. This means that most of the granules are not disintegrated when stored (and even shaken) in the test solution.

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Claims (15)

  1. Granulat d'un constituant sensible d'un agent de lavage ou de nettoyage, comprenant un noyau qui comprend
    (a) le constituant sensible d'un agent de lavage ou de nettoyage, en particulier un parfum, un azurant optique, un activateur de blanchiment, une enzyme ou un mélange d'enzymes, l'enzyme ou, selon le cas, au moins une enzyme étant une protéase, une amylase, une cellulase, une lipase, une hémicellulase, une pectinase, une mannanase, une oxydase ou une perhydrolase,
    (b) un matériau support particulaire, en particulier un matériau choisi dans le groupe constitué par l'amidon, un dérivé de l'amidon, la cellulose et un dérivé de la cellulose ou des combinaisons de ceux-ci ou un matériau support pour lequel il s'agit d'une farine, en particulier la farine de blé, l'amidon de blé, l'amidon de maïs, l'amidon de pommes de terre ou des combinaisons de ceux-ci, et
    (c) du PEG comme liant,
    ainsi qu'un enrobage qui comprend
    (d) un polyacrylate présentant une solubilité sensible au pH et
    (e) du 1,2-propylèneglycol.
  2. Granulat selon la revendication 1, caractérisé en ce que le noyau du granulat contient
    - 0,01-45% en poids du constituant sensible d'un agent de lavage ou de nettoyage,
    - 0,1-94% en poids de matériau support particulaire et
    - 1-20% en poids de PEG.
  3. Granulat selon l'une quelconque des revendications 1 ou 2, caractérisé en ce que le constituant sensible d'un agent de lavage ou de nettoyage (a) est une enzyme ou un mélange d'enzymes et l'enzyme ou le mélange d'enzymes se trouve ensemble avec un composé qui présente un effet de stabilisation de l'enzyme.
  4. Granulat selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'il contient en outre un ou plusieurs composés agissant en tant que système tampon ou agent de réglage du pH, en particulier un composé choisi dans le groupe constitué par le carbonate, l'hydroxyde, le phosphate, le borate, les acides carboxyliques, en particulier le citrate.
  5. Granulat selon l'une quelconque des revendications 1 à 4, caractérisé en ce que l'enrobage présente une épaisseur de couche moyenne d'au moins 10 µm.
  6. Granulat selon l'une quelconque des revendications 1 à 5, caractérisé en ce qu'il présente un deuxième enrobage, en particulier un enrobage qui contient plus de 10% en poids de PEG.
  7. Granulat selon l'une quelconque des revendications 1 à 6, caractérisé en ce qu'au moins un enrobage contient en outre une ou plusieurs charges, choisie(s) dans le groupe formé par les particules inorganiques, de préférence le silicate, la silice, le dioxyde de titane ou l'oxyde d'aluminium, de manière particulièrement préférée le talc,
    et/ou au moins un enrobage contient en outre un ou plusieurs plastifiants, choisi(s) dans le groupe formé par le citrate de triéthyle, la triacétine, un alcool polyfonctionnel, en particulier le 1,2-propanediol, et le polyéthylèneglycol,
    et/ou au moins un enrobage contient en outre un pigment coloré, de préférence le dioxyde de titane,
    et/ou au moins un enrobage contient en outre au moins un ou plusieurs composés agissant comme antioxydants.
  8. Granulat selon l'une quelconque des revendications 1 à 7, caractérisé en ce qu'il présente un diamètre moyen de particules de 100 à 4000 µm, de préférence de 400 à 3000 µm.
  9. Procédé pour la préparation d'un granulat selon l'une quelconque des revendications 1 à 8, en particulier un procédé qui comprend, comme étape de procédé, l'extrusion des matériaux formant le noyau et/ou un procédé dans lequel le liant PEG (composant (c)) est transformé simultanément avec le constituant sensible d'un agent de lavage ou de nettoyage, de préférence sous forme d'un mélange préalable de ces deux composants l'un avec l'autre,
    et/ou dans lequel le matériau d'enrobage constitué par une solution/suspension aqueuse est pulvérisé sur les particules en revêtir dans un appareil à lit fluidisé.
  10. Procédé selon la revendication 9, caractérisé en ce que la masse totale du matériau d'enrobage, qui forme l'enveloppe extérieure, représente 1,5 à 900% en poids et, avec une préférence croissante, 3 à 750% en poids, 6 à 600% en poids, 7,5 à 450% en poids, 10,5 à 300% en poids et de manière particulièrement préférée 15 à 150% en poids du noyau du granulat.
  11. Procédé selon l'une quelconque des revendications 9 ou 10, caractérisé en ce qu'une neutralisation du polyacrylate est effectuée avec de l'ammoniac.
  12. Agent de lavage ou de nettoyage contenant un granulat selon l'une quelconque des revendications 1 à 8, en particulier un agent qui est principalement liquide, sous forme de gel ou pâteux et qui contient de préférence de l'eau, présentant de préférence une teneur en eau, avec une préférence croissante, de 5 à 95, de 10 à 90, de 20 à 80, de 30 à 70, de 40 à 60, de 45 à 55% en poids et de manière tout particulièrement préférée de 50% en poids, et/ou en particulier un agent qui présente une densité de 1,00 à 1,50 g/ml, de préférence de 1,02 à 1,30 g/ml, de manière particulièrement préférée de 1,05 à 1,15 g/ml.
  13. Agent de lavage ou de nettoyage selon la revendication 12, contenant en outre un agent de blanchiment, qui est choisi dans le groupe constitué par un système de blanchiment enzymatique, un système de blanchiment inorganique, un système de blanchiment organique ou un mélange de ceux-ci, en particulier un agent pour lequel il s'agit, pour l'agent de blanchiment
    (i) de H2O2 ou d'un système formant H2O2, en particulier un percarbonate,
    (ii) de H2O2 ou d'un système formant H2O2, à chaque fois en combinaison avec un précurseur d'acide peroxycarboxylique, en particulier la tétraacétyléthylènediamine (TAED),
    (iii) d'un acide peroxycarboxylique préformé, en particulier l'acide 1,12-diperdodécanedioïque (DPDDA), l'acide phtalimidoperoxyhexanoïque (PAP), de manière particulièrement préférée le PAP ou
    (iv) d'une combinaison de (i) et/ou (ii) et/ou (iii).
  14. Utilisation des composants
    (a) un constituant sensible d'un agent de lavage ou de nettoyage, en particulier un parfum, un azurant optique, un activateur de blanchiment, une enzyme ou un mélange d'enzymes, l'enzyme ou, selon le cas, au moins une enzyme étant une protéase, une amylase, une cellulase, une lipase, une hémicellulase, une pectinase, une mannanase, une oxydase ou une perhydrolase,
    (b) un matériau support particulaire, en particulier un matériau choisi dans le groupe constitué par l'amidon, un dérivé de l'amidon, la cellulose et un dérivé de la cellulose ou des combinaisons de ceux-ci ou un matériau support pour lequel il s'agit d'une farine, en particulier la farine de blé, l'amidon de blé, l'amidon de maïs, l'amidon de pommes de terre ou des combinaisons de ceux-ci,
    (c) du PEG comme liant,
    (d) un polyacrylate présentant une solubilité sensible au pH et
    (e) du 1,2-propylèneglycol
    pour la préparation d'un granulat revêtu de ce constituant sensible d'un agent de lavage ou de nettoyage selon l'une quelconque des revendications 1 à 8.
  15. Utilisation selon la revendication 14, caractérisée en ce que le noyau du granulat contient
    - 0,01-45% en poids du constituant sensible d'un agent de lavage ou de nettoyage,
    - 0,1-94% en poids du matériau de support particulaire ainsi que
    - 1-20% en poids de PEG.
EP08852613A 2007-11-21 2008-11-14 Granulat d'un ingrédient sensible d'un agent de lavage ou de nettoyage Not-in-force EP2209880B1 (fr)

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PL08852613T PL2209880T3 (pl) 2007-11-21 2008-11-14 Granulat wrażliwego składnika środków piorących lub czyszczących

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DE102007056166A DE102007056166A1 (de) 2007-11-21 2007-11-21 Granulat eines sensitiven Wasch- oder Reinigungsmittelinhaltsstoffs
PCT/EP2008/065514 WO2009065770A1 (fr) 2007-11-21 2008-11-14 Granulat d'un ingrédient sensible d'un agent de lavage ou de nettoyage

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ES (1) ES2378013T3 (fr)
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EP2209880A1 (fr) 2010-07-28
DE102007056166A1 (de) 2009-05-28
WO2009065770A1 (fr) 2009-05-28
PL2209880T3 (pl) 2012-06-29
ES2378013T3 (es) 2012-04-04
US20100227788A1 (en) 2010-09-09
ATE541917T1 (de) 2012-02-15

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