WO2019034490A1 - Détergent et nettoyant à base de rhamnolipides - Google Patents

Détergent et nettoyant à base de rhamnolipides Download PDF

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Publication number
WO2019034490A1
WO2019034490A1 PCT/EP2018/071468 EP2018071468W WO2019034490A1 WO 2019034490 A1 WO2019034490 A1 WO 2019034490A1 EP 2018071468 W EP2018071468 W EP 2018071468W WO 2019034490 A1 WO2019034490 A1 WO 2019034490A1
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Prior art keywords
acid
weight
sodium
rhamnolipid
mixtures
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PCT/EP2018/071468
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German (de)
English (en)
Inventor
Alexander Schulz
Michael Dreja
Michael STROTZ
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Henkel Ag & Co. Kgaa
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Publication of WO2019034490A1 publication Critical patent/WO2019034490A1/fr

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    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/83—Mixtures of non-ionic with anionic compounds
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C11D1/37—Mixtures of compounds all of which are anionic
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C11D1/04—Carboxylic acids or salts thereof
    • C11D1/06—Ether- or thioether carboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/29—Sulfates of polyoxyalkylene ethers
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/72—Ethers of polyoxyalkylene glycols

Definitions

  • the present invention relates to detergents and cleaners containing certain rhamnolipids.
  • Modern detergents which are often used in liquid form, are often used at low temperatures down to room temperature or below.
  • the surfactant system contained therein serves for the removal of, in particular, greasy soiling.
  • Typical surfactants used are petrochemically based linear alkylbenzenesulfonate, oleochemically or petrochemically based alcohol ether sulfate and petro- or oleochemically derived nonionic surfactants such as alcohol ethoxylates.
  • biosurfactants which can be obtained, for example, from sugar or other carbohydrate sources, are commercially available. However, the performance profile of biosurfactants in some cases does not readily meet the demands made of a modern detergent.
  • Rhamnolipids are compounds in which a mono- or dirhamnose unit is glycosidically linked to the hydroxyl group of a fatty acid containing ⁇ -hydroxyl groups, it being possible for the fatty acid to be esterified with a hydroxyl group of another hydroxyl-containing fatty acid molecule. They are obtained by fermentation of bacteria of the genus Pseudomonas, in particular Pseudomonas aeruginosa, preferably in their growth on hydrophobic substrates such as n-alkanes or vegetable oils. Rhamnolipids belong to the so-called biosurfactants because of their surface-active behavior and their origin.
  • the 3- (hydroxydecanoyloxy) decanoic acid dirhomonoside for example, has the formula
  • rhamnolipids in addition to O-carboxylic acids and / or hydroxycarboxylic acids, there are also longer-chain, for example C 12 -carboxylic acids and / or -hydroxycarboxylic acids.
  • the patent EP 0 499 434 B1 discloses detergents which contain 1 to 60% by weight of a surfactant which forms a micellar phase at pH 7.0 and 25 ° C. in 1% strength by weight aqueous solution and one at pH 7.0 and 25 ° C in 1 weight percent aqueous solution containing a lamellar phase-forming surfactant, wherein rhamnolipid may be both the micellar phase as well as the lamellar phase forming surfactant.
  • European Patent Specification EP 1 445 302 B1 relates to detergents containing at least one glycolipid biosurfactant and at least one non-glycolipid surfactant, these being in a micellar phase.
  • International patent application WO 2012/010405 A1 discloses cleaning compositions which contain at least 1% by weight of biosurfactant and an enzyme of bacterial origin.
  • European Patent Application EP 0 605 308 A1 discloses compositions containing from 0.001% to 99.99% by weight of anionic and / or nonionic surfactant and from 0.001% to 99.99% by weight of glycolipid, wherein The glycolipids may be, for example, sophorolipids, rhamnolipids, glucoselipids, trehaloselipids and cellobioselipids.
  • International patent application WO 2012/010406 A1 discloses laundry detergents containing lipase and rhamnolipid, the rhamnolipid consisting of at least 50% by weight of mono-rhamnolipid.
  • International Patent Application WO 2012/010407 A1 discloses laundry detergents which contain glycolipid surfactant and lipase of bacterial origin, the glycolipid surfactant consisting of at least 20% by weight of disaccharide acid glycol-containing glycolipid surfactant; The rhamnolipid disclosed there consists of about 30% by weight of mono-rhamnolipid and about 70% by weight of di-rhamnolipid.
  • European Patent Application EP 2 410 039 A1 relates to mono- and di-rhamnolipid-containing detergents in which the weight ratio of mono-rhamnolipid to di-rhamnolipid ranges from 95: 5 to 45:55; Specifically disclosed are agents in which the weight ratio of mono-rhamnolipid to di-rhamnolipid is 50:50 and for comparison is about 25:75.
  • European Patent Application EP 2 787 065 A1 relates to mono- and di-rhamnolipid-containing laundry detergents in which the weight ratio of di-rhamnolipid to mono-rhamnolipid is greater than 51:49; in the specifically disclosed rhamnolipid composition of P.
  • the weight ratio of mono rhamnolipids to di-rhamnolipids is 1:99, the di-rhamnolipid being about 18% by weight di-rhamnolipid having at least one C 12 Carboxylic acid.
  • European patent application EP 2 786 743 A1 discloses rhamnolipid mixtures which contain 51% by weight to 95% by weight of a certain di-rhamnolipid and 0.5% by weight to 9% by weight of a certain mono-rhamnolipid in which the weight ratio of di-rhamnolipid to mono-rhamnolipid is greater than 91: 9.
  • the invention therefore relates to a washing or cleaning agent containing a rhamnolipid mixture of from 35% by weight to 45% by weight of 3 - ( ⁇ 3 - [(6-deoxy-aL-mannopyranosyl) oxy] decanoyl ⁇ oxy) decanoic acid and / or its sodium, potassium, ammonium, alkylammonium and / or hydroxyalkylammonium salt (CioCio-mono-rhamnolipid) and 55% by weight to 65% by weight of 3 - [(3- ⁇ [6-deoxy-2-0- (6-deoxy-aL-mannopyranosyl) -al-mannopyranosyl] oxy ⁇ decanoyl) oxy] decanoic acid and / or its
  • the rhamnolipid mixture is preferably free from other rhamnolipids.
  • Rhamnolipid mixtures which can be used according to the invention are commercially available, for example, under the name NatSurFact®.
  • the alkyl groups in the alkylammonium ions are preferably those having in each case 1 to 4 C atoms and mixtures thereof, and the alkyl groups in the hydroxyalkylammonium ions are preferably those having in each case 2 to 4 C atoms and mixtures thereof.
  • Another object of the invention is the use of said Rhamnolipidgemisches to increase the washing or cleaning performance of detergents or cleaners.
  • the use according to the invention can be carried out, for example, by adding the rhamnolipid mixture to a washing or cleaning agent-containing aqueous liquor or introducing it as a constituent of a washing or cleaning agent into the aqueous liquor, and objects to be washed or cleaned at temperatures of, for example, 10 ° C. to 60 ° C or, for example, 20 ° C to 40 ° C in contact with the liquor.
  • An inventive washing or cleaning agent preferably contains 0.000001 wt .-% to 50 wt .-%, in particular 0, 1 wt .-% to 20 wt .-% of said Rhamnolipidgemischs in addition to conventional constituents of such agents.
  • the agents according to the invention may in particular be builder substances, surface-active surfactants, water-miscible organic solvents, enzymes, sequestering agents, electrolytes, pH regulators, polymers with special effects, such as soil release polymers, dye transfer inhibitors, gray scale inhibitors, wrinkle-reducing and form-retaining polymeric active compounds, and other auxiliaries, such as optical brighteners, foam regulators, dyes and fragrances.
  • compositions may contain, in addition to the rhamnolipid mixture, one or more additional surfactants, in particular anionic surfactants, nonionic surfactants and mixtures thereof, but cationic and / or amphoteric surfactants may also be present. It is preferred if the means in addition to the rhamnolipid mixture at least 3, in particular at least 4 other surfactants, wherein if desired, for example, 10 other surfactants may be present.
  • nonionic surfactants it is possible to use all nonionic surfactants known to the person skilled in the art.
  • the nonionic surfactants used are preferably alkoxylated, advantageously ethoxylated, in particular primary, alcohols having preferably 8 to 18 carbon atoms and on average 1 to 12 moles of ethylene oxide (EO) per mole of alcohol, in which the alcohol radical can be linear or preferably methyl-branched in the 2-position or may contain linear and methyl-branched radicals in the mixture, as they are usually present in Oxoalkoholresten.
  • EO ethylene oxide
  • alcohol ethoxylates with linear radicals of alcohols of natural origin having 12 to 18 carbon atoms, for example of coconut, palm, tallow or oleyl alcohol, and on average 2 to 8 moles of EO per mole of alcohol are preferred.
  • the preferred ethoxylated alcohols include, for example, C 12-14 alcohols with 3 EO or 4 EO, C 7 -n-alcohol with 7 EO, cis-is alcohols with 3 EO, 5 EO, 7 EO or 8 EO, C 12-18 Alcohols with 3 EO, 5 EO or 7 EO and mixtures of these, such as mixtures of Ci2-i4-alcohol with 3 EO and Ci2-is-alcohol with 5 EO.
  • the stated degrees of ethoxylation represent statistical averages, which may correspond to a particular product of an integer or a fractional number.
  • Preferred alcohol ethoxylates have a narrow homolog distribution (narrow rank ethoxylates, NRE).
  • nonionic surfactants it is also possible to use fatty alcohols with more than 12 EO. Examples include tallow fatty alcohol with 14 EO, 25 EO, 30 EO or 40 EO.
  • other nonionic surfactants which can also be employed are alkylglycosides of the general formula R 5 O (G) x in which R 5 is a primary straight-chain or methyl-branched, especially methyl-branched, 2-position aliphatic radical containing 8 to 22, preferably 12 to 18 carbon atoms.
  • R 5 is a primary straight-chain or methyl-branched, especially methyl-branched, 2-position aliphatic radical containing 8 to 22, preferably 12 to 18 carbon atoms.
  • Corresponds to atoms and G is the symbol which represents a glycose unit having 5 or 6 C atoms, preferably glucose.
  • the degree of oligomerization x which indicates the distribution of monoglycosides and oligoglycosides, is an arbitrary number between 1 and 10
  • nonionic surfactants used either as the sole nonionic surfactant or in combination with other nonionic surfactants are alkoxylated, preferably ethoxylated or ethoxylated and propoxylated fatty acid alkyl esters, preferably having from 1 to 4 carbon atoms in the alkyl chain.
  • Nonionic surfactants of the amine oxide type for example N-cocoalkyl N, N-dimethylamino oxide and N-tallow alkyl N, N-dihydroxyethyl amine oxide, and the fatty acid alkanolamides can also be used.
  • surfactants are polyhydroxy fatty acid amides of the formula
  • R is an aliphatic acyl radical having 6 to 22 carbon atoms
  • R is hydrogen, an alkyl or hydroxyalkyl radical having 1 to 4 carbon atoms
  • [Z] is a linear or branched polyhydroxyalkyl radical having 3 to 10 carbon atoms and 3 to 10 hydroxyl groups.
  • the polyhydroxy fatty acid amides are known substances which can usually be obtained by reductive amination of a reducing sugar with ammonia, an alkylamine or an alkanolamine and subsequent acylation with a fatty acid, a fatty acid alkyl ester or a fatty acid chloride.
  • the group of polyhydroxy fatty acid amides also includes compounds of the formula R is a linear or branched alkyl or alkenyl radical having 7 to 12 carbon atoms, R is a linear, branched or cyclic alkyl radical or an aryl radical having 2 to 8 carbon atoms and R 2 is a linear, branched or cyclic alkyl radical or an aryl radical or an oxy-alkyl radical having 1 to 8 carbon atoms, with ⁇ -4-alkyl or phenyl radicals being preferred and [Z] being a linear polyhydroxyalkyl radical whose alkyl chain is substituted by at least two hydroxyl groups, or alkoxylated, preferably ethoxylated or propoxylated derivatives thereof residue.
  • [Z] is preferably obtained by reductive amination of a reduced sugar, for example glucose, fructose, maltose, lactose, galactose, mannose or xylose.
  • a reduced sugar for example glucose, fructose, maltose, lactose, galactose, mannose or xylose.
  • the N-alkoxy- or N-aryloxy-substituted compounds can be converted into the desired polyhydroxy fatty acid amides by reaction with fatty acid methyl esters in the presence of an alkoxide as catalyst.
  • anionic surfactants for example, those of the sulfonate type and sulfates are used.
  • Preferred surfactants of the sulfonate type are C9-i3-alkylbenzenesulfonates, olefin-sulfonates, ie mixtures of alkene and hydroxyalkanesulfonates and disulfonates, such as those obtained from C12-C18-monoolefins having a terminal or internal double bond by sulfonation with gaseous sulfur trioxide and subsequent alkaline or acidic hydrolysis of the sulfonation obtained, into consideration.
  • alkanesulfonates which are obtained from C 12 -alkanes, for example by sulfochlorination or sulfoxidation with subsequent hydrolysis or neutralization.
  • esters of ⁇ -sulfo fatty acids for example the ⁇ -sulfonated methyl esters of hydrogenated coconut, palm kernel or tallow fatty acids.
  • sulfated fatty acid glycerol esters are to be understood as meaning the mono-, di- and triesters and mixtures thereof, as obtained in the preparation by esterification of glycerol with 1 to 3 moles of fatty acid or in the transesterification of triglycerides with 0.3 to 2 moles of glycerol.
  • Preferred sulfated fatty acid glycerol esters are included the sulfonation products of saturated fatty acids having 6 to 22 carbon atoms, for example caproic acid, caprylic acid, capric acid, myristic acid, lauric acid, palmitic acid, stearic acid or behenic acid.
  • alkyl sulfates and ether sulfates are alkyl sulfates and ether sulfates.
  • An alkyl sulfate is to be understood as meaning a salt of a sulfuric acid half-ester of an alcohol which has a linear, branched-chain or cyclic saturated hydrocarbon radical having 10 to 22 carbon atoms.
  • a counter cation is present, in particular a sodium or potassium ion or an ammonium, alkylammonium or hydroxyalkylammonium ion.
  • Preferred alcohol radicals are derived from native C 12-18 fatty alcohols, such as, for example, coconut fatty alcohol, tallow fatty alcohol, lauryl, myristyl, cetyl or stearyl alcohol, or the C 10 -C 20 OXO alcohols or secondary alcohols of these chain lengths.
  • alkyl sulfates of said chain length which contain a synthetic, straight-chain alkyl radical produced on a petrochemical basis, which have an analogous degradation behavior as the adequate compounds based on oleochemical raw materials.
  • Ci2-Ci6-alkyl sulfates, Ci2-Ci5-alkyl sulfates and Ci4-Ci5-alkyl sulfates are particularly preferred.
  • Ether sulfates are analogous to the alkyl sulfates of sulfuric monoesters of alkoxylated alcohols, the average number of alkoxy groups per alcohol function being generally from 1 to 10, preferably from 3 to 7.
  • Preferred alkoxy groups are the ethoxy group, the propoxy group and mixtures thereof.
  • the sulfuric monoesters of ethoxylated with 1 to 6 moles of ethylene oxide straight or branched C7-21 alcohols such as 2-methyl-branched C9-n-alcohols having an average of 3.5 moles of ethylene oxide (EO) or Ci2-i8 fatty alcohols with 1 up to 4 EO, are suitable.
  • Suitable anionic surfactants are also the salts of alkylsulfosuccinic acid, which are also referred to as sulfosuccinates or as sulfosuccinic acid esters and which are monoesters and / or diesters of sulfosuccinic acid with alcohols, preferably fatty alcohols and in particular ethoxylated fatty alcohols.
  • alcohols preferably fatty alcohols and in particular ethoxylated fatty alcohols.
  • Preferred sulfosuccinates contain Cs -is-fatty alcohol residues or mixtures of these.
  • Particularly preferred sulfosuccinates contain a fatty alcohol residue derived from ethoxylated fatty alcohols, which by themselves are nonionic surfactants.
  • Sulfosuccinates whose fatty alcohol residues are derived from ethoxylated fatty alcohols with a narrow homolog distribution, are again particularly preferred.
  • alk (en) ylsuccinic acid having preferably 8 to 18 carbon atoms in the alk (en) yl chain or salts thereof.
  • anionic surfactants are particularly soaps into consideration. Suitable are saturated fatty acid soaps, such as the salts of lauric acid, myristic acid, palmitic acid, stearic acid, hydrogenated erucic acid and behenic acid and, in particular, soap mixtures derived from natural fatty acids, for example coconut, palm kernel or tallow fatty acids.
  • the anionic surfactants, including the soaps may be in the form of their sodium, potassium or ammonium salts and as soluble salts of organic bases, such as mono-, di- or triethanolamine.
  • the anionic surfactants are preferably present in the form of their sodium or potassium salts, in particular in the form of the sodium salts.
  • cationic active substances for example, cationic compounds of the following formulas can be used:
  • Such surfactants which can be used in addition to rhamnolipid are present in agents according to the invention in amounts of preferably from 5% by weight to 50% by weight, in particular from 10% by weight to 30% by weight, but may also be completely absent if desired.
  • Textile softening compounds can be used to care for the textiles and to improve the textile properties such as a softer "feel” (avivage) and reduced electrostatic charge (increased wear comfort) .
  • the active ingredients of these formulations are quaternary ammonium compounds with two hydrophobic radicals, such as Disteraryldime- thylammonium chloride, which, however, due to its insufficient biodegradability increasingly replaced by quaternary ammonium compounds containing ester groups in their hydrophobic residues as predetermined breaking points for biodegradation.
  • esters with improved biodegradability are obtainable, for example, by esterifying mixtures of methyldiethanolamine and / or triethanolamine with fatty acids and then quaternizing the reaction products in a manner known per se with alkylating agents.
  • Suitable as a finishing agent is dimethylolethyleneurea.
  • An agent according to the invention preferably contains at least one water-soluble and / or water-insoluble, organic and / or inorganic builder.
  • the water-soluble organic builder substances include polycarboxylic acids, in particular citric acid and sugar acids, monomeric and polymeric aminopolycarboxylic acids, in particular methylglycinediacetic acid, nitrilotriacetic acid and ethylenediaminetetraacetic acid and polyaspartic acid, polyphosphonic acids, in particular aminotris (methylenephosphonic acid), ethylenediaminetetrakis (methylenephosphonic acid) and 1-hydroxyethane-1, 1 diphosphonic acid, polymeric hydroxy compounds such as dextrin and polymeric (poly) carboxylic acids, in particular by oxidation of polysaccharides or dextrins accessible polycarboxylates, and / or polymeric acrylic acids, methacrylic acids, maleic acids and copolymers thereof, which also contain polymerized small amounts of polymerizable
  • the molecular weight of the homopolymers of unsaturated carboxylic acids is generally between 5,000 and 200,000, of the copolymers between 2,000 and 200,000, preferably 50,000 to 120,000, each based on the free acid.
  • a particularly preferred acrylic acid-maleic acid copolymer has a molecular weight of 50,000 to 100,000.
  • Suitable, although less preferred, compounds of this class are copolymers of acrylic or methacrylic acid with vinyl ethers, such as vinylmethyl ethers, vinyl esters, ethylene, propylene and styrene, in which the acid content is at least 50% by weight.
  • Terpolymers which contain two unsaturated acids and / or salts thereof as monomers and also vinyl alcohol and / or an esterified vinyl alcohol or a carbohydrate as the third monomer may also be used as water-soluble organic builder substances.
  • the first acidic monomer or its salt is derived from a monoethylically unsaturated C 3 -C 5 -carboxylic acid and preferably from a C 3 -C 4 monocarboxylic acid, in particular from (meth) acrylic acid.
  • the second acidic monomer or its salt may be a derivative of a C4-Cs-dicarboxylic acid, with maleic acid being particularly preferred, and / or a derivative of an allylsulfonic acid which is substituted in the 2-position by an alkyl or aryl radical.
  • Such polymers generally have a molecular weight between 1,000 and 200,000.
  • Further preferred copolymers are those which contain acrolein and acrylic acid / acrylic acid salts or vinyl acetate as monomers.
  • the organic builders may, in particular for the preparation of liquid agents, in the form of aqueous solutions, preferably in the form 30 to 50 weight percent aqueous solutions are used. All of the acids mentioned are generally used in the form of their water-soluble salts, in particular their alkali metal salts.
  • organic builder substances may be present in amounts of up to 40% by weight, in particular up to 25% by weight and preferably from 1% by weight to 8% by weight. Quantities in the upper half of said ranges are preferably used in pasty or liquid, in particular water-containing agents.
  • Suitable water-soluble inorganic builder materials are, in particular, polymeric alkali metal phosphates, which may be in the form of their alkaline neutral or acidic sodium or potassium salts. Examples of these are tetrasodium diphosphate, disodium dihydrogen diphosphate, pentasodium triphosphate, so-called sodium hexametaphosphate and the corresponding potassium salts or mixtures of sodium and potassium salts. Crystalline or amorphous alkali metal aluminosilicates, in amounts of up to 50% by weight, preferably not more than 40% by weight, and in liquid agents, in particular from 1% by weight to 5% by weight, are used as water-insoluble, water-dispersible inorganic builder materials.
  • aluminosilicates especially zeolite A, P and optionally X. Quantities close to the stated upper limit are preferably used in solid, particulate agents.
  • suitable aluminosilicates have no particles with a particle size greater than 30 ⁇ m, and preferably consist of at least 80% by weight of particles having a size of less than 10 ⁇ m.
  • Their calcium binding capacity is generally in the range of 100 mg to 200 mg CaO per gram.
  • Suitable substitutes or partial substitutes for the said aluminosilicate are crystalline alkali silicates which may be present alone or in a mixture with amorphous silicates.
  • the alkali metal silicates useful as builders preferably have a molar ratio of alkali metal oxide to SiO 2 below 0.95, in particular from 1: 1, 1 to 1: 12, and may be present in amorphous or crystalline form.
  • Preferred alkali metal silicates are the sodium silicates, in particular the amorphous sodium silicates, with a molar ratio of Na 2 O: SiO 2 of from 1: 2 to 1: 2.8.
  • Crystalline silicates which may be present alone or in a mixture with amorphous silicates are preferably crystalline phyllosilicates of the general formula Na.sub.2SixO.sub.2.sup.x + H.sub.2O.sub.2, in which x, the so-called modulus, is a number from 1.9 to 4 and y is a number from 0 is up to 20 and preferred values for x are 2, 3 or 4.
  • Preferred crystalline phyllosilicates are those in which x in the abovementioned general formula assumes the values 2 or 3. In particular, both .beta.
  • .delta.-sodium disilicates Na.sub.2Si.sub.20.sub.y H.sub.2O
  • amorphous alkali silicates practically anhydrous crystalline alkali silicates of the above general formula in which x is a number from 1, 9 to 2, 1, can be used.
  • a crystalline sodium layer silicate with a modulus of 2 to 3 is used, as can be prepared from sand and soda. Crystalline sodium silicates with a modulus in the range of 1.9 to 3.5 are used in another preferred embodiment used.
  • a granular compound of alkali metal silicate and alkali carbonate is used, as it is commercially available, for example, under the name Nabion® 15.
  • alkali metal aluminosilicate, in particular zeolite is also present as an additional builder substance
  • the weight ratio of aluminosilicate to silicate, in each case based on anhydrous active substances is preferably 1:10 to 10: 1.
  • the weight ratio of amorphous alkali metal silicate to crystalline alkali metal silicate is preferably 1: 2 to 2: 1 and especially 1: 1 to 2: 1.
  • Builder substances are preferably contained in detergents in amounts of up to 60% by weight, in particular from 5% by weight to 40% by weight.
  • the agent comprises a water-soluble builder block.
  • builder block is intended to express that the agents contain no further builder substances than those which are water-soluble, ie all builder substances contained in the agent are combined in the "block” characterized in this way, the amounts at most being Substances are excluded, which may be contained as impurities or stabilizing additives in small amounts in the other ingredients of the means commercially available manner.
  • water-soluble is to be understood as meaning that the builder block dissolves without leaving a residue at the concentration which results from the use of the agent containing it under the usual conditions, preferably at least 15% by weight and up to 55% by weight %, in particular 25 wt .-% to 50 wt .-% of water-soluble builder block contained in the agents.This is preferably composed of the components
  • the water-soluble builder block contains at least 2 of the components b), c), d) and e) in amounts greater than 0 wt .-%.
  • component a) in a preferred embodiment, 15% by weight to 25% by weight of alkali carbonate, which may be replaced at least proportionally by alkali metal bicarbonate, and up to 5% by weight, in particular 0.5% by weight, bis 2.5% by weight of citric acid and / or Al contain kalicitrat.
  • component a) 5 wt .-% to 25 wt .-%, in particular 5 wt .-% to 15 wt .-% citric acid and / or alkali citrate and up to 5 wt .-%, in particular 1 wt .-% to 5 wt .-% alkali carbonate, which may be at least partially replaced by alkali metal bicarbonate included.
  • component a) comprises alkali metal carbonate and alkali metal bicarbonate, preferably in a weight ratio of 10: 1 to 1: 1.
  • component b in a preferred embodiment, 1 wt .-% to 5 wt .-% alkali metal silicate with a modulus in the range of 1, 8 to 2.5 included.
  • phosphonic acid and / or alkali metal phosphonate in a preferred embodiment, from 0.05% by weight to 1% by weight of phosphonic acid and / or alkali metal phosphonate is contained.
  • Phosphonic acids are also understood as meaning optionally substituted alkylphosphonic acids, which may also have a plurality of phosphonic acid groups (so-called polyphosphonic acids).
  • They are preferably selected from the hydroxy and / or aminoalkylphosphonic acids and / or their alkali salts, for example dimethylaminomethanediphosphonic acid, 3-aminopropane-1-hydroxy-1,1-diphosphonic acid, 1-amino-1-phenylmethanediphosphonic acid, 1 -Hydroxyethane-1, 1-diphosphonic acid, amino-tris (methylenephosphonic acid), N, N, N ', N'-ethylenediaminetrakis (methylenephosphonic acid) and acylated derivatives of phosphorous acid, which can also be used in any mixtures.
  • dimethylaminomethanediphosphonic acid 3-aminopropane-1-hydroxy-1,1-diphosphonic acid
  • 1-amino-1-phenylmethanediphosphonic acid 1 -Hydroxyethane-1
  • 1-diphosphonic acid amino-tris (methylenephosphonic acid), N, N, N ',
  • alkali metal phosphate in particular trisodium polyphosphate, are contained.
  • Alkaliphosphat is the summary term for the alkali metal (especially sodium and potassium) salts of various phosphoric acids, in which one can distinguish metaphosphoric (HP03) n and orthophosphoric H3PO4 in addition to higher molecular weight representatives.
  • the phosphates combine several advantages: they act as alkali carriers, prevent lime deposits on machine parts or lime incrustations in fabrics and also contribute to the cleaning performance.
  • Sodium dihydrogen phosphate NaH2PÜ4 exists as dihydrate (density 1, 91 like 3 , melting point 60 °) and as monohydrate (density 2.04 like 3 ). Both salts are white, very soluble in water powders, which lose the water of crystallization on heating and at 200 ° C in the weak acid diphosphate (disodium hydrogendiphosphate, ⁇ ), at higher temperature in sodium trimetaphosphate (Na3P3Ü9) and Madrell's salt. NaH2PÜ4 is acidic; It arises when phosphoric acid is adjusted to a pH of 4.5 with sodium hydroxide solution and the mash is sprayed.
  • Potassium dihydrogen phosphate (potassium phosphate monobasic or potassium monobasic potassium phosphate, KDP), KH2PO4, is a white salt with a density of 2.33, preferably 3 , with a melting point of 253 ° (decomposed to form (KPÜ3) x, potassium polyphosphate) and is readily soluble in Water.
  • Disodium hydrogen phosphate (secondary sodium phosphate), Na2HP4, is a colorless, very slightly water-soluble crystalline salt.
  • Disodium hydrogen phosphate is prepared by neutralization of phosphoric acid with soda solution using phenolphthalein as an indicator.
  • Dipotassium hydrogen phosphate (secondary or dibasic potassium phosphate), K2HPO4, is an amorphous, white salt that is readily soluble in water.
  • Trisodium phosphate, sodium tertiary phosphate, NasPC are colorless crystals having a density of 1, 62, 3 and a melting point of 73-76 ° C (decomposition) as dodecahydrate, and a melting point of 100 ° as decahydrate (corresponding to 19-20% P2O5) C and in anhydrous form (corresponding to 39-40% P2O5) have a density of 2.536 like 3 .
  • Trisodium phosphate is readily soluble in water under alkaline reaction and is prepared by evaporating a solution of exactly 1 mole of disodium phosphate and 1 mole of NaOH.
  • Tripotassium phosphate (tertiary or tribasic potassium phosphate), K3PO4, is a white, deliquescent, granular powder of density 2.56, preferably 3 , has a melting point of 1340 ° and is readily soluble in water with an alkaline reaction. It arises, for example, when heating Thomasschlacke with coal and potassium sulfate. Despite the higher price, the more soluble, therefore highly effective, potassium phosphates are often preferred over corresponding sodium compounds.
  • Tetrasodium diphosphate (sodium pyrophosphate), Na4P20, exists in anhydrous form (density 2.534, 3 , melting point 988 °, also indicated as 880 °) and as decahydrate (density 1, 815-1, 836, 3 , melting point 94 °, with loss of water).
  • decahydrate Density 1, 815-1, 836, 3 , melting point 94 °, with loss of water.
  • Na4P2Ü7 is formed by heating disodium phosphate to> 200 ° C or by reacting phosphoric acid with soda in a stoichiometric ratio and dewatering the solution by spraying. The decahydrate complexes heavy metal salts and hardness agents and therefore reduces the hardness of the water.
  • Potassium diphosphate (potassium pyrophosphate), K4P2O7, exists in the form of the trihydrate and is a colorless, hygroscopic powder with a density of 2.33% 3 , which is soluble in water, the pH of the 1% solution being 25 ° 10, 4 is.
  • Condensation of NaH2PÜ4 or KH2PO4 gives rise to higher molecular weight sodium and potassium phosphates, which can be used to distinguish cyclic species, sodium or potassium metaphosphates, and chain types, sodium or potassium polyphosphates. In particular, for the latter are a variety of names in use: melting or annealing phosphates, Graham's salt, Kurrolsches and Madrell- sches salt.
  • 100 g of water dissolve at room temperature about 17 g, at 60 ° about 20 g, at 100 ° around 32 g of the salt water-free salt; after two hours of heating the solution to 100 ° by hydrolysis about 8% orthophosphate and 15% diphosphate.
  • pentasodium triphosphate In the preparation of pentasodium triphosphate, phosphoric acid is reacted with soda solution or sodium hydroxide solution in a stoichiometric ratio and the solution is dehydrated by spraying. Similar to Graham's salt and sodium diphosphate, pentasodium triphosphate dissolves many insoluble metal compounds (including lime soaps, etc.). Pentaka- Liumtriphosphat, K5P3O10 (potassium tripolyphosphate), for example, in the form of a 50 wt .-% solution (> 23% P2O5, 25% K2O) in the trade. There are also sodium potassium tripolyphosphates, which can also be used in the context of the present invention. These arise, for example, when hydrolyzed sodium trimetaphosphate with KOH:
  • sodium tripolyphosphate, potassium tripolyphosphate or mixtures of these two applicable are just like sodium tripolyphosphate, potassium tripolyphosphate or mixtures of these two applicable; It is also possible to use mixtures of sodium tripolyphosphate and sodium potassium tripolyphosphate or mixtures of potassium tripolyphosphate and sodium potassium tripolyphosphate or mixtures of sodium tripolyphosphate and potassium tripolyphosphate and sodium potassium tripolyphosphate.
  • the agent contains from 1.5% by weight to 5% by weight of polymeric polycarboxylate, in particular selected from the polymerization or copolymerization products of acrylic acid, methacrylic acid and / or maleic acid.
  • polymeric polycarboxylate in particular selected from the polymerization or copolymerization products of acrylic acid, methacrylic acid and / or maleic acid.
  • homopolymers of acrylic acid particularly preferred are those having an average molecular weight in the range from 5,000 D to 15,000 D (PA standard).
  • Suitable enzymes which can be used in the compositions are those from the class of lipases, cutinases, amylases, pullulanases, mannanases, cellulases, hemicellulases, xylanases and peroxidases and mixtures thereof, for example amylases such as Termamyl®, Amylase-LT®, Maxamyl®, Duramyl ® and / or Purafect® OxAm, lipases such as Lipolase®, Lipomax®, Lumafast®, Lipozym® and / or Lipex®, cellulases such as Celluzyme® and / or Carezyme®.
  • amylases such as Termamyl®, Amylase-LT®, Maxamyl®, Duramyl ® and / or Purafect® OxAm
  • lipases such as Lipolase®, Lipomax®, Lumafast®, Lipozym® and / or Lipex®
  • cellulases such
  • fungi or bacteria such as Bacillus subtilis, Bacillus licheniformis, Streptomyces griseus, Humicola lanuginosa, Humicola insolens, Pseudomonas pseudoalcaligenes or Pseudomonas cepacia derived enzymatic agents.
  • the optionally used enzymes may be adsorbed to carriers and / or embedded in encapsulants to protect against premature inactivation. They are preferably present in the compositions in amounts of up to 5% by weight, in particular from 0.5% by weight to 2% by weight.
  • a preferred solvent in liquid agents of the invention is water.
  • the organic solvents which can be used in the compositions are alcohols having 1 to 4 C atoms, in particular methanol, ethanol, isopropanol and tert-butanol, diols having 2 to 4 C atoms, in particular ethylene glycol and propylene glycol, and mixtures thereof and the ethers derivable from the classes of compound mentioned.
  • Water-miscible solvents are preferably present in the compositions in amounts of from 1% to 60% by weight, especially from 2% to 40% by weight. Water can be used in inventive If desired, liquid agents may be present in amounts of up to 94% by weight. In preferred embodiments of low-water agents, the water content is not more than 15 wt .-%, in particular 1 wt .-% to 8 wt .-%.
  • Naturally derived polymers which can be used as thickening agents in aqueous liquid agents are, for example, agar-agar, carrageenan, tragacanth, gum arabic, alginates, pectins, polyoses, guar flour, locust bean gum, starch, dextrins, gelatin and Casein, cellulose derivatives such as carboxymethyl cellulose, hydroxyethyl and propyl cellulose, and polymers polysaccharide thickeners such as xanthan;
  • fully synthetic polymers such as polyacrylic and polymethacrylic compounds, vinyl polymers, polycarboxylic acids, polyethers, polyimines, polyamides and polyurethanes are also suitable as thickeners.
  • the agents systemic and environmentally friendly acids especially citric acid, acetic acid, tartaric acid, malic acid, lactic acid, glycolic acid, succinic acid, glutaric acid and / or adipic acid, but also, mineral acids, in particular sulfuric acid, or bases, in particular ammonium or alkali metal hydroxides.
  • Such pH regulators are preferably not more than 20 wt .-%, in particular from 1, 2 wt .-% to 17 wt .-%, contained in the means.
  • Soil release polymers are, for example, nonionic or cationic cellulosic derivatives, especially the polyester active soil release polymers Copolyesters of dicarboxylic acids, for example adipic acid, phthalic acid or terephthalic acid, diols, for example ethylene glycol or propylene glycol, and polydiols, for example polyethylene glycol or polypropylene glycol, include those compounds which are formally accessible by esterification of two monomeric parts.
  • first monomer is a dicarboxylic acid HOOC-Ph-COOH and the second monomer is a diol HO- (CHR-) a OH, which may also be present as a polymeric diol H- (O- (CHR-) a ) bOH
  • Ph is an o-, m- or p-phenyl enrest, which may carry 1 to 4 substituents selected from alkyl radicals having 1 to 22 carbon atoms, sulfonic acid groups, carboxyl groups and mixtures thereof
  • R is hydrogen, an alkyl radical having 1 to 22 carbon atoms and mixtures thereof
  • a is a number from 2 to 6 and b is a number from 1 to 300.
  • the molar ratio of monomer diol units to polymer diol units is preferably 100: 1 to 1: 100, in particular 10: 1 to 1:10.
  • the degree of polymerization b is preferably in the range from 4 to 200, in particular from 12 to 140.
  • the weight distribution of preferred soil release polyester is in the range from 250 to 100,000, in particular from 500 to 50,000.
  • the acid underlying Ph is preferably from terephthalic acid, isophthalic acid, phthalic acid, trimellitic acid, methylitol, the isomers of sulfophthalic acid, sulfoisophthalic acid and sulfoterephthalic acid and mixtures thereof selected. If their acid groups are not part of the ester bonds in the polymer, they are preferably in salt form, in particular as alkali or ammonium salt. Among these, the sodium and potassium salts are particularly preferable.
  • acids having at least two carboxyl groups may be included in the soil release-capable polyester.
  • these include, for example, alkylene and alkenylene dicarboxylic acids such as malonic acid, succinic acid, fumaric acid, maleic acid, glutaric acid, adipic acid, pimelic acid, suberic acid, azelaic acid and sebacic acid.
  • Preferred diols HO- (CHR-) a OH include those in which R is hydrogen and a is a number from 2 to 6, and those in which a is 2 and R is hydrogen and the alkyl radicals have from 1 to 10 , in particular 1 to 3 C-atoms is selected.
  • R is hydrogen and a is a number from 2 to 6
  • a is 2 and R is hydrogen and the alkyl radicals have from 1 to 10 , in particular 1 to 3 C-atoms is selected.
  • those of the formula HO-CH 2 -CHR -OH in which R has the abovementioned meaning are particularly preferred.
  • diol components are ethylene glycol, 1, 2-propylene glycol, 1, 3-propylene glycol, 1, 4-butanediol, 1, 5-pentanediol, 1, 6-hexanediol, 1, 8-octanediol, 1, 2-decanediol, 1, 2-dodecanediol and neopentyl glycol.
  • Particularly preferred among the polymeric diols is polyethylene glycol having an average molecular weight in the range of 1000 to 6000. If desired, these polyesters may also be end developmentver consideration, with alkyl groups having 1 to 22 carbon atoms and esters of monocarboxylic acids in question as end groups.
  • the ester groups bonded via end groups can be based on alkyl, alkenyl and aryl monocarboxylic acids having 5 to 32 carbon atoms, in particular 5 to 18 carbon atoms. These include valeric acid, caproic acid, enanthic acid, caprylic acid, pelargonic acid, capric acid, undecanoic acid, undecenoic acid, lauric acid, lauroleinic acid, tridecanoic acid, myristic acid, myristoleic acid, pentadecanoic acid, palmitic acid, stearic acid, petroselinic acid, petroselaidic acid, oleic acid, linoleic acid, linolaidic acid, linolenic acid, ela ostearic acid, arachic acid, gadoleic acid, arachidonic acid, behenic acid, erucic acid, brassidine acid, clupanodonic acid, lignoceric acid, cerotic acid
  • the end groups may also be based on hydroxymonocarboxylic acids having 5 to 22 carbon atoms, which include, for example, hydroxyvaleric acid, hydroxycaproic acid, ricinoleic acid, their hydrogenation product hydroxystearic acid and also o-, m- and p-hydroxybenzoic acid.
  • the hydroxymonocarboxylic acids may in turn be linked to one another via their hydroxyl group and their carboxyl group and thus be present several times in an end group.
  • the number of hydroxymonocarboxylic acid units per end group is in the range from 1 to 50, in particular from 1 to 10.
  • the agents may contain anti-crease agents, since textile fabrics, in particular of rayon, wool, cotton and their mixtures, can tend to wrinkle, because the individual fibers are sensitive to bending, buckling, pressing and squeezing transverse to the fiber direction.
  • anti-crease agents include, for example, synthetic products based on fatty acids, fatty acid esters, fatty acid amides, alkylol esters, alkylolamides or fatty alcohols, which are usually reacted with ethylene oxide, or products based on lecithin or modified phosphoric acid ester.
  • Graying inhibitors have the task of keeping suspended from the hard surface and in particular from the textile fiber suspended dirt in the fleet.
  • Water-soluble colloids of mostly organic nature are suitable for this purpose, for example starch, glue, gelatin, salts of ether carboxylic acids or ether sulfonic acids of starch or of cellulose or salts of acidic sulfuric acid esters of cellulose or starch.
  • water-soluble polyamides containing acidic groups are suitable for this purpose.
  • starch derivatives can be used, for example aldehyde starches.
  • cellulose ethers such as carboxymethylcellulose (Na salt), methylcellulose, hydroxyalkylcellulose and mixed ethers, such as methylhydroxyethylcellulose, methylhydroxypropylcellulose, methylcarboxymethylcellulose and mixtures thereof, for example in amounts of from 0.1 to 5% by weight, based on the compositions used.
  • the agents may contain optical brighteners, among these in particular derivatives of diaminostilbenedisulfonic acid or its alkali metal salts.
  • optical brighteners among these in particular derivatives of diaminostilbenedisulfonic acid or its alkali metal salts.
  • salts of 4,4'-bis (2-anilino-4-morpholino-1, 3,5-triazinyl-6-amino) stilbene-2,2'-disulphonic acid or similarly constructed compounds which are substituted for 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) -diphenyls. Mixtures of the aforementioned optical brightener can be used.
  • Suitable foam inhibitors are, for example, soaps of natural or synthetic origin, which have a high proportion of cis-C24 fatty acids.
  • Suitable non-surfactant foam inhibitors are, for example, organopolysiloxanes and mixtures thereof with microfine, optionally silanized silica and paraffins, waxes, microcrystalline waxes and mixtures thereof with silanated silicic acid or bis-fatty acid alkylenediamides. It is also advantageous to use mixtures of various foam inhibitors, for example those of silicones, paraffins or waxes.
  • the foam inhibitors in particular special silicone and / or paraffin-containing foam inhibitors, bound to a granular, water-soluble or dispersible carrier substance.
  • a granular, water-soluble or dispersible carrier substance e.g., mixtures of paraffins and bistearylethylenediamide are preferred.
  • peroxygen compounds come in particular organic peracids or pers acid salts of organic acids such as phthalimidopercaproic acid, perbenzoic acid or salts of diperdodecanedioic acid, hydrogen peroxide and under the washing conditions hydrogen peroxide-releasing inorganic salts such as perborate, percarbonate and / or persilicate, into consideration.
  • Hydrogen peroxide can also be produced by means of an enzymatic system, ie an oxidase and its substrate. If solid peroxygen compounds are to be used, they can be used in the form of powders or granules, which can also be enveloped in a manner known in principle.
  • alkali metal percarbonate alkali metal perborate monohydrate, alkali metal perborate tetrahydrate or, in particular in liquid media, hydrogen peroxide in the form of aqueous solutions which contain from 3% by weight to 10% by weight of hydrogen peroxide.
  • peroxygen compounds are present in detergents in amounts of up to 50% by weight, especially from 5% to 30% by weight.
  • customary bleach activators which form peroxocarboxylic acids or peroxoimidic acids under perhydrolysis conditions and / or customary bleach-activating transition metal complexes can be used.
  • the optional, especially in amounts of 0.5 wt .-% to 6 wt .-%, present component of the bleach activators include the commonly used N- or O-acyl compounds, for example, polyacylated alkylenediamines, especially tetraacetyl-ethylenediamine, acylated glycolurils, in particular Tetraacetylglycoluril, N-acylated hydantoins, Hy drazide, triazoles, urazoles, diketopiperazines, sulfururamides and cyanurates, also carboxylic anhydrides, especially phthalic anhydride, carboxylic acid esters, in particular sodium isononanoyl-phenolsulfonat, and acylated sugar derivatives, in particular pentaacetylglu
  • the bleach activators may have been coated or granulated in known manner with encapsulating substances, granulated tetraacetylethylenediamine having mean particle sizes of from 0.01 mm to 0.8 mm, granulated 1, 5 with the aid of carboxymethylcellulose. Diacetyl-2,4-dioxohexahydro-1, 3,5-triazine, and / or formulated in particulate trialkylammonium acetonitrile is particularly preferred.
  • Such bleach activators are preferably contained in detergents in amounts of up to 8% by weight, in particular from 2% by weight to 6% by weight, based in each case on the total agent.
  • compositions presents no difficulties and can be carried out in a manner known in the art, for example by spray-drying or granulation.
  • spray-drying or granulation For the preparation of the compositions with increased bulk density, in particular in the range of 650 g / l to 950 g / l, is an extrusion step preferred method.
  • Detergents in the form of aqueous or other conventional solvent-containing solutions are particularly advantageously prepared by simply mixing the ingredients, which can be added in bulk or as a solution in an automatic mixer.
  • the agents in particular in concentrated liquid form, are present as a portion in a completely or partially water-soluble coating. Portioning makes it easier for the consumer to dose.
  • the funds can be packed, for example, in foil bags.
  • Pouches made of water-soluble film make it unnecessary for the consumer to tear open the packaging. In this way, a convenient dosing of a single, sized for a wash portion by inserting the bag directly into the washing machine or by throwing the bag into a certain amount of water, for example in a bucket, a bowl or hand basin, possible.
  • the film bag surrounding the washing portion dissolves without residue when it reaches a certain temperature.
  • thermoforming process thermoforming process
  • the water-soluble coatings do not necessarily consist of a film material, but can also represent dimensionally stable containers that can be obtained for example by means of an injection molding process.
  • a seal takes place.
  • the filling material is injected into the forming capsule, wherein the injection pressure of the filling liquid presses the polymer bands in the Kugelschalenkavticianen.
  • a process for preparing water-soluble capsules, initially filling and then sealing, is based on the so-called Bottle-Pack ® method. In this case, a tubular preform is guided into a two-part cavity. The cavity is closed, the lower tube portion is sealed, then the tube is inflated to form the capsule shape in the cavity, filled and finally sealed.
  • the shell material used for the preparation of the water-soluble portion is preferably a water-soluble polymeric thermoplastic, more preferably selected from the group (optionally partially acetalized) polyvinyl alcohol, polyvinyl alcohol copolymers, polyvinylpyrrolidone, polyethylene oxide, gelatin, cellulose and derivatives thereof, starch and derivatives thereof, blends and composites, inorganic salts and mixtures of said materials, preferably hydroxypropylmethylcellulose and / or polyvinyl alcohol blends.
  • Polyvinyl alcohols are commercially available, for example under the trade name Mowiol ® (Clariant).
  • polyvinyl alcohols are, for example, Mowiol ® 3-83, Mowiol ® 4-88, Mowiol ® 5-88, Mowiol ® 8-88 and Clariant L648.
  • the water-soluble thermoplastic used to prepare the portion may additionally optionally comprise polymers selected from the group comprising acrylic acid-containing polymers, polyacrylamides, oxazoline polymers, polystyrene sulfonates, polyurethanes, polyesters, polyethers and / or mixtures of the above polymers.
  • the water-soluble thermoplastic used comprises a polyvinyl alcohol whose degree of hydrolysis makes up 70 to 100 mol%, preferably 80 to 90 mol%, particularly preferably 81 to 89 mol% and in particular 82 to 88 mol%.
  • the water-soluble thermoplastic used comprises a polyvinyl alcohol whose molecular weight is in the range from 10,000 to 100,000 gmol "1 , preferably from 1,000 to 90,000 gmol " 1 , more preferably from 12,000 to 80,000 gmol and especially from 13,000 to 70,000 gmol , It is further preferred if the thermoplastics are used in amounts of at least 50% by weight, preferably of at least 70% by weight, more preferably of at least 80% by weight and in particular of at least 90% by weight, based in each case on the weight the water-soluble polymeric thermoplastic.
  • a water-based liquid detergent containing 5.5% by weight of C 9-13 Na alkylbenzenesulfonate, 5.5% by weight of C 12-18 fatty alcohol 7 EO, and 5% by weight of C 12-14 Na alcohol was used 2 EO sulphate (V1) and an otherwise uniformly mixed liquid detergent which additionally contained 2% by weight of C10C10 mono- and di-rhamnolipid (NatSurFact® 90LCBS-4) (M1); Compensation for the amount of water contained.
  • the values given in Table 2 below show the differences in the ⁇ values of the remission measurement between the agent M1 and the agent V1, higher values meaning that the soiling was better washed out by the use of the agent according to the invention.

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Abstract

L'invention vise à améliorer le pouvoir détergent de produits de lavage et de nettoyage, en particulier vis-à-vis de salissures contenant de l'huile et/ou de la graisse. A cet effet, cet objectif est atteint par l'utilisation d'un mélange de rhamnolipides composé de 35 à 45% en poids de mono-rhamnolipide C10C10 et de 55 à 65 % en poids de di-rhamnolipide C10C10.
PCT/EP2018/071468 2017-08-16 2018-08-08 Détergent et nettoyant à base de rhamnolipides WO2019034490A1 (fr)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024115213A1 (fr) * 2022-11-30 2024-06-06 Evonik Operations Gmbh Capsule à détergent comprenant des biotensioactifs

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Publication number Priority date Publication date Assignee Title
EP0499434A1 (fr) * 1991-02-12 1992-08-19 Unilever Plc Compositions détergentes
EP0605308A1 (fr) 1992-12-30 1994-07-06 Institut Francais Du Petrole Composition contenant un composé tensio-actif et des glycolipides et procédé de décontamination d'un milieu poreux pollué
EP1445302B1 (fr) 2003-01-28 2006-06-07 Ecover Belgium Compositions détergentes
EP2410039A1 (fr) 2010-07-22 2012-01-25 Unilever PLC Rhamnolipides à nettoyage amélioré
WO2012010405A1 (fr) 2010-07-22 2012-01-26 Unilever Plc Compositions de détergent comprenant un biosurfactant et une enzyme
WO2012010407A1 (fr) 2010-07-22 2012-01-26 Unilever Plc Compositions de détergent comprenant un biosurfactant et une lipase
WO2012010406A1 (fr) 2010-07-22 2012-01-26 Unilever Plc Combinaisons de rhamnolipides et d'enzymes pour nettoyage amélioré
EP2786743A1 (fr) 2013-04-02 2014-10-08 Evonik Industries AG Composition de mélange contenant des rhamnolipides
EP2787065A1 (fr) 2013-04-02 2014-10-08 Evonik Industries AG Composition détergente pour textiles contenant des rhamnolipides ayant une teneur majoritaire en di-rhamnolipides

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0499434A1 (fr) * 1991-02-12 1992-08-19 Unilever Plc Compositions détergentes
EP0499434B1 (fr) 1991-02-12 1995-07-19 Unilever Plc Compositions détergentes
EP0605308A1 (fr) 1992-12-30 1994-07-06 Institut Francais Du Petrole Composition contenant un composé tensio-actif et des glycolipides et procédé de décontamination d'un milieu poreux pollué
EP1445302B1 (fr) 2003-01-28 2006-06-07 Ecover Belgium Compositions détergentes
EP2410039A1 (fr) 2010-07-22 2012-01-25 Unilever PLC Rhamnolipides à nettoyage amélioré
WO2012010405A1 (fr) 2010-07-22 2012-01-26 Unilever Plc Compositions de détergent comprenant un biosurfactant et une enzyme
WO2012010407A1 (fr) 2010-07-22 2012-01-26 Unilever Plc Compositions de détergent comprenant un biosurfactant et une lipase
WO2012010406A1 (fr) 2010-07-22 2012-01-26 Unilever Plc Combinaisons de rhamnolipides et d'enzymes pour nettoyage amélioré
EP2786743A1 (fr) 2013-04-02 2014-10-08 Evonik Industries AG Composition de mélange contenant des rhamnolipides
EP2787065A1 (fr) 2013-04-02 2014-10-08 Evonik Industries AG Composition détergente pour textiles contenant des rhamnolipides ayant une teneur majoritaire en di-rhamnolipides

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024115213A1 (fr) * 2022-11-30 2024-06-06 Evonik Operations Gmbh Capsule à détergent comprenant des biotensioactifs

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