Classifications

• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/16—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
  • C11D3/225—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin etherified, e.g. CMC
• • 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
  • C11D3/0005—Other compounding ingredients characterised by their effect
  • C11D3/0036—Soil deposition preventing compositions; Antiredeposition 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
  • C11D3/16—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
  • C11D3/228—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin with phosphorus- or sulfur-containing groups

Definitions

• the invention relates to a liquid detergent or cleaning agent containing surfactant (s), a polysaccharide and other conventional ingredients of detergents or cleaners.
• the invention also relates to the use of the washing or cleaning agent and a process for its preparation.
• detergents or cleaners To increase the washing or cleaning performance of detergents or cleaners they often contain one or more additives.
• detergents in order to prevent re-release of previously released soil in finer distribution (redeposition), detergents contain so-called graying inhibitors, such as carboxymethylcellulose.
• liquid detergents or cleaners have increasingly been offered in transparent bottles. Due to the low solubility of carboxymethylcellulose in liquid detergents or cleaners, turbidity occurs when incorporating carboxymethylcellulose into liquid detergents or cleaners. This leads to an aesthetically unappealing product, especially if it is offered in a transparent bottle.
• Another problem is that stable dispersions of the carboxymethylcellulose in the matrix of a detergent or cleaning agent are very difficult to obtain.
• a liquid washing or cleaning agent containing surfactant (s) and other conventional ingredients of detergents or cleaning agents, wherein the agent comprises a graying-inhibiting polysaccharide having a particle size less than 100 nm.
• the agent particularly preferably comprises a graying-inhibiting polysaccharide with a particle size of less than 50 nm.
• graying-inhibiting polysaccharides with a particle size smaller than 100 nm can be incorporated stably into a liquid detergent or cleaning agent matrix.
• the resulting detergent or cleaning agent dispersions are homogeneous and transparent.
• the washing or cleaning agent according to the invention shows a significantly better grayness inhibition than a washing or cleaning agent with a graying-inhibiting polysaccharide having a larger particle diameter.
• the amount of the graying-inhibiting polysaccharide is 0.001 to 10% by weight, preferably 0.01 to 8% by weight.
• the graying-inhibiting polysaccharide is selected from the group comprising carboxymethylcellulose (CMC), ether sulfonic acid salts, cellulose acid sulfonic acid ester salts, starch acid sulfate, methyl cellulose, ethyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose methylhydroxyethyl cellulose, methyl carboxymethyl cellulose, ethyl hydroxyethyl cellulose and Mixtures thereof, is selected.
• the polysaccharide is carboxymethylcellulose, especially sodium carboxymethylcellulose.
• graying-inhibiting polysaccharides lead in the preferred amounts to detergents or cleaners having a particularly good anti-gray effect.
• the polysaccharide having a particle size smaller than 100 nm has been obtained by applying a mechanical reduction method to larger polysaccharide particles.
• graying-inhibiting polysaccharides with a particle size of less than 100 nm can be prepared simply and rapidly from commercially available graying-inhibiting polysaccharides.
• the invention relates to the use of the washing or cleaning agent according to the invention for washing and / or cleaning of textile fabrics.
• the washing or cleaning agent contains a graying-inhibiting polysaccharide.
• the graying-inhibiting polysaccharide is preferably carboxymethyl cellulose (CMC), an ether sulfonic acid salt, an acid sulfonic acid salt of cellulose, an acid sulfuric acid ester salt of starch, methyl cellulose, ethyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose methyl hydroxyethyl cellulose, methyl carboxymethyl cellulose, ethyl hydroxyethyl cellulose or a mixture of these graying-inhibiting polysaccharides , Most preferably, the polysaccharide is carboxymethylcellulose, especially sodium carboxymethylcellulose.
• the graying-inhibiting polysaccharide has a particle diameter of less than 100 nm, preferably less than 50 nm. These small particle diameters ensure that a stable dispersion of the detergent or cleaning agent containing a graying-inhibiting polysaccharide is obtained. In addition, these small particle diameters ensure that the detergents or cleaners are not cloudy but transparent.
• polysaccharide particles having a particle diameter of less than 100 nm are processed by means of a mechanical reduction process into particles having the desired particle size.
• the commercially available polysaccharide particles having a particle diameter of greater than 100 nm are preferably ground to particles having a particle diameter of less than 100 nm.
• the determination of the particle diameter of the graying-inhibiting polysaccharide can be carried out by conventional methods, for example with the aid of a condensation particle counter or a laser particle sizer.
• the washing or cleaning agent contains surfactant (s) in addition to the graying-inhibiting polysaccharide, wherein anionic, nonionic, zwitterionic and / or amphoteric surfactants can be used. From an application point of view, preference is given to mixtures of anionic compounds and nonionic surfactants.
• the total surfactant content of the liquid washing or cleaning agent is preferably below 60% by weight and more preferably below 45% by weight, based on the total liquid washing or cleaning agent.
• 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 linear and methyl-branched radicals in the mixture can contain, as they are usually present in Oxoalkoholresten.
• alcohol ethoxylates with linear radicals of alcohols of native origin having 12 to 18 carbon atoms, for example of coconut, palm, tallow or oleyl alcohol, and on average 2 to 8 EO per mole of alcohol are preferred.
• the preferred ethoxylated alcohols include, for example, C 12-14 alcohols with 3 EO, 4 EO or 7 EO, C 9-11 alcohols with 7 EO, C 13-15 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 C 12-14 -alcohol with 3 EO and C 12-18 -alcohol with 7 EO.
• the degrees of ethoxylation given represent statistical means which, for a particular product, may be an integer or a fractional number.
• Preferred alcohol ethoxylates have a narrow homolog distribution (narrow range ethoxylates, NRE).
• fatty alcohols with more than 12 EO can also be used. Examples include tallow fatty alcohol with 14 EO, 25 EO, 30 EO or 40 EO.
• Nonionic surfactants containing EO and PO groups together in the molecule can also be used according to the invention.
• block copolymers with EO-PO block units or PO-EO block units can be used, but also EO-PO-EO copolymers or PO-EO-PO copolymers.
• nonionic surfactants and alkyl glycosides of the general formula RO (G) x can be used in which R is a primary straight-chain or methyl-branched, especially in the 2-position methyl-branched aliphatic radical having 8 to 22, preferably 12 to 18 carbon 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 any number between 1 and 10; preferably x is 1.2 to 1.4.
• Alkyl glycosides are known, mild surfactants.
• 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, especially fatty acid methyl esters.
• Nonionic surfactants of the amine oxide type for example N-cocoalkyl-N, N-dimethylamine oxide and N-tallowalkyl-N, N-dihydroxyethylamine oxide, and the fatty acid alkanolamides may also be suitable.
• the amount of these nonionic surfactants is preferably not more than that of the ethoxylated fatty alcohols, especially not more than half thereof.
• polyhydroxy fatty acid amides of the formula (I) in which RCO is an aliphatic acyl radical having 6 to 22 carbon atoms, R 1 is hydrogen, an alkyl or hydroxyalkyl radical having 1 to 4 carbon atoms and [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 (II) in the R is a linear or branched alkyl or alkenyl radical having 7 to 12 carbon atoms
• R 1 is a linear, branched or cyclic alkyl radical or an aryl radical having 2 to 8 carbon atoms
• R 2 is a linear, branched or cyclic alkyl radical or an aryl radical or an oxyalkyl radical having 1 to 8 carbon atoms
• C 1-4 alkyl or phenyl radicals preferred are and [Z] is a linear polyhydroxyalkyl radical whose alkyl chain is substituted with at least two hydroxyl groups, or alkoxylated, preferably ethoxylated or propoxylated derivatives of this radical.
• [Z] is preferably obtained by reductive amination of a sugar, for example glucose, fructose, maltose, lactose, galactose, mannose or xylose.
• a sugar for example glucose, fructose, maltose, lactose, galactose, mannose or xylose.
• the N-alkoxy- or N-aryloxy-substituted compounds can then be converted into the desired polyhydroxy fatty acid amides by reaction with fatty acid methyl esters in the presence of an alkoxide as catalyst.
• the content of nonionic surfactants in the washing or cleaning agent is preferably 5 to 30 wt .-%, preferably 7 to 20 wt .-% and in particular 9 to 15 wt .-%, each based on the total detergent or cleaning agent.
• the washing or cleaning agent may also contain anionic surfactants.
• anionic surfactants for example, those of the sulfonate type and sulfates are used.
• the surfactants of the sulfonate type are preferably C 9-13 -alkylbenzenesulfonates, olefinsulfonates, ie mixtures of alkene and hydroxyalkanesulfonates and disulfonates, as are obtained, for example, from C 12-18 -monoolefins having terminal or internal double bonds by sulfonation with gaseous sulfur trioxide and subsequent alkaline or acid hydrolysis of the sulfonation products into consideration.
• alkanesulfonates which are obtained from C 12-18 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 a monoglycerol 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 the sulfonation products of saturated fatty acids containing 6 to 22 carbon atoms, for example caproic acid, caprylic acid, capric acid, myristic acid, lauric acid, palmitic acid, stearic acid or behenic acid.
• Alk (en) ylsulfates are the alkali metal salts and in particular the sodium salts of the sulfuric monoesters of C 12 -C 18 fatty alcohols, for example coconut fatty alcohol, tallow fatty alcohol, lauryl, myristyl, cetyl or stearyl alcohol or the C 10 -C 20 oxo alcohols and those half-esters of secondary alcohols of these chain lengths are preferred. Also preferred are alk (en) ylsulfates of said chain length, which contain a synthetic, produced on a petrochemical basis straight-chain alkyl radical, which have an analogous degradation behavior as the adequate compounds based on oleochemical raw materials.
• C 12 -C 16 alkyl sulfates and C 12 -C 15 alkyl sulfates and C 14 -C 15 alkyl sulfates are preferred.
• 2,3-alkyl sulfates which can be obtained as commercial products of Shell Oil Company under the name DAN ® , are suitable anionic surfactants.
• EO ethylene oxide
• Fatty alcohols with 1 to 4 EO are suitable.
• the washing or cleaning agent according to the invention contains from 0.01 to 5% by weight, preferably from 0.5 to 3% by weight and in particular from 1.5 to 2.5% by weight, of an ethoxylated fatty alcohol sulfate ,
• Suitable anionic surfactants are also the salts of alkylsulfosuccinic acid, which are also referred to as sulfosuccinates or as sulfosuccinic acid esters and the 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 C 8-18 fatty alcohol residues or mixtures of these.
• Particularly preferred sulfosuccinates contain a fatty alcohol residue derived from ethoxylated fatty alcohols, which in themselves constitute nonionic surfactants (see description below).
• Sulfosuccinates whose fatty alcohol residues are derived from ethoxylated fatty alcohols with a narrow homolog distribution, are again particularly preferred.
• alk (en) yl-succinic acid having preferably 8 to 18 carbon atoms in the alk (en) yl chain or salts thereof.
• Particularly preferred anionic surfactants are soaps.
• Suitable are saturated and unsaturated 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, olive oil or tallow fatty acids.
• the anionic surfactants including the soaps may be in the form of their sodium, potassium or magnesium salts.
• the anionic surfactants are in the form of their sodium salts.
• the content of anionic surfactants in a washing or cleaning agent may be from 0.1 to 30% by weight, based on the total washing or cleaning agent.
• the washing or cleaning agent may contain further ingredients which further improve the performance and / or aesthetic properties of the washing or cleaning agent.
• the washing or cleaning agent preferably additionally contains one or more substances from the group of builders, bleaches, enzymes, electrolytes, nonaqueous solvents, pH adjusters, perfumes, perfume carriers, fluorescers, dyes, hydrotopes, foam inhibitors, silicone oils, Anti-redeposition agents, further grayness inhibitors, anti-shrinkage agents, anti-crease agents, color transfer inhibitors, antimicrobial agents, germicides, fungicides, antioxidants, preservatives, corrosion inhibitors, antistatic agents, bittering agents, ironing auxiliaries, repellents and impregnating agents, swelling and anti-slip agents, neutral filler salts, softening components and UV absorbers.
• Suitable builders which may be present in the washing or cleaning agent are in particular silicates, aluminum silicates (in particular zeolites), carbonates, salts of organic di- and polycarboxylic acids and mixtures of these substances.
• Organic builders which may be present in the washing or cleaning agent are, for example, the polycarboxylic acids which can be used in the form of their sodium salts, polycarboxylic acids meaning those carboxylic acids which carry more than one acid function.
• polycarboxylic acids meaning those carboxylic acids which carry more than one acid function.
• these are, for example, citric acid, adipic acid, succinic acid, glutaric acid, malic acid, tartaric acid, maleic acid, fumaric acid, sugar acids, aminocarboxylic acids, nitrilotriacetic acid (NTA), methylglycinediacetic acid (MGDA) and derivatives thereof and mixtures thereof.
• Preferred salts are the salts of polycarboxylic acids such as citric acid, adipic acid, succinic acid, glutaric acid, tartaric acid, sugar acids and mixtures thereof.
• the acids themselves can also be used.
• the acids also typically have the property of an acidifying component and thus also serve to set a lower and milder pH of detergents or cleaners.
• citric acid, succinic acid, glutaric acid, adipic acid, gluconic acid and any desired mixtures of these can be mentioned here.
• Other known pH regulators such as sodium bicarbonate and sodium hydrogen sulfate.
• polymeric polycarboxylates are suitable. These are, for example, the alkali metal salts of polyacrylic acid or polymethacrylic acid, for example, those having a molecular weight of 500 to 70,000 g / mol.
• soluble organic builders such as citric acid are preferably used in detergents or cleaners.
• the washing or cleaning agent may contain a thickening agent.
• the thickener may be, for example, (meth) acrylic acid (co) polymers, xanthan gum, gellan gum, guar gum, alginate, carrageenan, bentonites, wellan gum, locust bean gum, agar-agar, tragacanth, gum arabic, pectins, polyoses, starch, dextrins, gelatin and casein.
• Suitable acrylic and methacrylic (co) polymers include, for example, the high molecular weight homopolymers of acrylic acid crosslinked with a polyalkenyl polyether, in particular an allyl ether of sucrose, pentaerythritol or propylene (INCI name according to the International Dictionary of Cosmetic Ingredients of The Cosmetic, Toiletry and Fragrance Association (CTFA) ": carbomer), also referred to as carboxyvinyl polymers.
• CTF Cosmetic, Toiletry and Fragrance Association
• Such polyacrylic acids are available, inter alia, from the company 3V Sigma under the trade name Polygel®, for example Polygel DA, and from the company BF Goodrich under the trade name Carbopol®, eg Carbopol 940 (molecular weight about 4,000,000), Carbopol 941 (molecular weight approx 1. 250,000) or Carbopol 934 (molecular weight about 3,000,000).
• Polygel® for example Polygel DA
• Carbopol® eg Carbopol 940 (molecular weight about 4,000,000), Carbopol 941 (molecular weight approx 1. 250,000) or Carbopol 934 (molecular weight about 3,000,000).
• acrylic acid copolymers are suitable: (i) Copolymers of two or more monomers from the group of acrylic acid, methacrylic acid and their simple, preferably with C 1-4 alkanols formed ester (INCI Acrylates Copolymer), to which about Copolymers of methacrylic acid, butyl acrylate and methyl methacrylate (CAS designation according to Chemical Abstracts Service: 25035-69-2) or of butyl acrylate and methyl methacrylate (CAS 25852-37-3) and the example of the Fa.
• a fatty alcohol is also suitable.
• Fatty alcohols may be branched or unbranched, of native origin or of petrochemical origin.
• Preferred fatty alcohols have a C chain length of 10 to 20 C atoms, preferably 12 to 18. Preference is given to using mixtures of different C chain lengths, such as tallow fatty alcohol or coconut oil fatty alcohol. Examples are Lorol® Spezial (C 12-14 ROH) or Lorol® Technical (C 12-18 -ROH) (both ex Cognis).
• the washing or cleaning agent may contain from 0.01 to 3% by weight and preferably from 0.1 to 1% by weight of thickener.
• the amount of thickener used depends on the type of thickener and the desired degree of thickening.
• the liquid detergent or cleaning agent may also contain an enzyme or a mixture of enzymes.
• an enzyme or a mixture of enzymes Particularly suitable are those from the classes of hydrolases such as Proteases, (poly) esterases, lipases or lipolytic enzymes, amylases, cellulases or other glycosyl hydrolases, hemicellulases, cutinases, ⁇ -glucanases, oxidases, peroxidases, mannanases, perhydrolases, oxidoreductases and / or laccases.
• hydrolases such as Proteases, (poly) esterases, lipases or lipolytic enzymes, amylases, cellulases or other glycosyl hydrolases, hemicellulases, cutinases, ⁇ -glucanases, oxidases, peroxidases, mannanases, perhydrolases, oxidoreductases and / or laccases.
• Proteases amylases, lipases, cellulases, mannanases, laccases, tannanases and esterases / polyesterases and mixtures of two or more of these enzymes are preferably used in the context of the present invention.
• the hydrolases in the laundry contribute to the removal of stains such as proteinaceous, greasy or starchy stains and graying.
• cellulases and other glycosyl hydrolases may contribute to color retention and to enhancing the softness of the fabric by removing pilling and microfibrils.
• cellulases are preferably cellobiohydrolases, endoglucanases and ⁇ -glucosidases, which are also called cellobiases, or mixtures thereof used. Since different cellulase types differ by their CMCase and avicelase activities, the desired activities can be set by targeted mixtures of the cellulases.
• subtilisin-type proteases and in particular proteases derived from Bacillus lentus are used. These are enzyme mixtures, for example from protease and amylase or protease and lipase or lipolytic enzymes or protease and cellulase or from cellulase and lipase or lipolytic enzymes or from protease, amylase and lipase or lipolytic enzymes or protease, lipase or lipolytic enzymes and cellulase, but in particular protease and / or lipase-containing mixtures or mixtures with lipolytic enzymes of particular interest. Examples of such lipolytic enzymes are the known cutinases. Suitable amylases include in particular ⁇ -amylases, iso-amylases, pullulanases and pectinases.
• the amount of enzyme or of the enzymes is based on the total agent 0.01 to 10 wt .-%, preferably 0.12 to about 3 wt .-%.
• the enzymes are preferably used as enzyme liquid formulation (s). If the washing or cleaning agent contains a mixture of enzymes, then at least one enzyme may be in the form of granules, encapsulated or adsorbed on carriers. Most preferred detergents or cleaners contain cellulase; Cellulase and protease; Cellulase, protease and amylase; Cellulase, protease, amylase and lipase or amylase; Cellulase, protease, amylase, lipase and (poly) esterase.
• electrolytes from the group of inorganic salts a wide number of different salts can be used.
• Preferred cations are the alkali and alkaline earth metals, preferred anions are the halides and sulfates.
• the proportion of electrolytes in the washing or cleaning agent is usually 0.1 to 5 wt .-%.
• Non-aqueous solvents which can be added to the washing or cleaning agent, for example, from the group of monohydric or polyhydric alcohols, alkanolamines or glycol ethers, provided they are miscible with water in the specified concentration range.
• the solvents are selected from ethanol, n- or i-propanol, butanols, glycol, propane or butanediol, glycerol, diglycol, propyl or butyldiglycol, hexylene glycol, ethylene glycol methyl ether, ethylene glycol ethyl ether, ethylene glycol propyl ether, ethylene glycol mono-n-butyl ether, diethylene glycol methyl ether, diethylene glycol ethyl ether Propylene glycol methyl, ethyl or propyl ether, dipropylene glycol monomethyl or ethyl ether, di-isopropylene glycol monomethyl or ethyl
• pH adjusters In order to bring the pH of the washing or cleaning agent in the desired range, the use of pH adjusters may be indicated. Can be used here are all known acids or alkalis, unless their use is not for technical application or environmental reasons or for reasons of consumer protection prohibited. Usually, the amount of these adjusting agents does not exceed 10% by weight of the total formulation.
• the pH of the washing or cleaning agent is preferably between 4 and 10 and preferably between 5.5 and 8.8.
• the liquid detergent or cleaning agent have viscosities in the range of 100 to 4000 mPas, with values between 300 and 2000 mPas are particularly preferred.
• the viscosity was determined using a Brookfield LVT-II viscometer at 20 rpm and 20 ° C., spindle 3.
• the washing or cleaning agent contains one or more perfumes in an amount of usually up to 15 wt .-%, preferably 0.01 to 5 wt .-%, in particular 0.3 to 3 wt .-%.
• perfume oils or fragrances individual fragrance compounds, e.g. the synthetic products of the ester, ether, aldehyde, ketone, alcohol and hydrocarbon type are used. Preferably, however, mixtures of different fragrances are used, which together produce an attractive fragrance.
• perfume oils may also contain natural fragrance mixtures as are available from plant sources.
• dyes In order to improve the aesthetic impression of the washing or cleaning agent, they can be dyed with suitable dyes.
• Preferred dyes the selection of which presents no difficulty to the skilled person, have a high storage stability and insensitivity to the other ingredients of detergents or cleaning agents and to light and no pronounced substantivity to textile fibers so as not to stain them.
• Suitable foam inhibitors which can be used in the detergents or cleaners are, for example, soaps, paraffins or silicone compounds, in particular silicone oils, which are optionally present as emulsions.
• Suitable soil release polymers also referred to as "anti-redeposition agents" include, for example, nonionic cellulose ethers such as methyl cellulose and methyl hydroxypropyl cellulose having a methoxy group content of 15 to 30 wt% and hydroxypropyl groups of 1 to 15 wt%, respectively based on the nonionic cellulose ether and the known from the prior art polymers of phthalic acid and / or terephthalic acid or derivatives thereof, in particular polymers of ethylene terephthalates and / or polyethylene and / or polypropylene glycol terephthalates or anionic and / or nonionic modified derivatives thereof.
• Suitable derivatives include the sulfonated derivatives of the phthalic and terephthalic acid polymers.
• Optical brighteners can be added to the detergents or cleaners to eliminate graying and yellowing of the treated fabrics. These fabrics impinge on the fiber and cause whitening and bleaching by transforming invisible ultraviolet radiation into visible longer wavelength light, emitting the ultraviolet light absorbed from the sunlight as faint bluish fluorescence, and pure with the yellowness of the grayed or yellowed wash White results.
• Suitable compounds are derived, for example, from the substance classes of 4,4'-diamino-2,2'-stilbenedisulfonic acids (flavonic acids), 4,4'-distyrylbiphenyls, methylumbelliferones, coumarins, dihydroquinolinones, 1,3-diarylpyrazolines, naphthalimides, benzoxazole .
• the optical brighteners are usually used in amounts of between 0% and 0.3% by weight, based on the finished washing or cleaning agent.
• the washing or cleaning agent may contain further graying inhibitors.
• these may include glue, gelatin, polyvinylpyrrolidone or water-soluble acidic group-containing polyamides.
• the amount of the further graying inhibitors is preferably from 0.1 to 5 wt .-%, based on the total amount of detergent or cleaning agent.
• the laundry detergent or cleaning agent may contain a color transfer inhibitor.
• the dye transfer inhibitor is a polymer or copolymer of cyclic amines such as vinylpyrrolidone and / or vinylimidazole.
• Suitable color transfer inhibiting polymers include polyvinylpyrrolidone (PVP), polyvinylimidazole (PVI), copolymers of vinylpyrrolidone and vinylimidazole (PVP / PVI), polyvinylpyridine-N-oxide, poly-N-carboxymethyl-4-vinylpyridium chloride, and mixtures thereof.
• polyvinylpyrrolidone PVP
• polyvinylimidazole PVI
• copolymers of vinylpyrrolidone and vinylimidazole PVP / PVI
• the polyvinylpyrrolidones (PVP) used preferably have an average molecular weight of 2,500 to 400,000 and are commercially available from ISP Chemicals as PVP K 15, PVP K 30, PVP K 60 or PVP K 90 or from BASF as Sokalan® HP 50 or Sokalan® HP 53 available.
• the copolymers of vinylpyrrolidone and vinylimidazole (PVP / PVI) used preferably have a molecular weight in the range from 5,000 to 100,000.
• a PVP / PVI copolymer for example from BASF under the name Sokalan® HP 56th
• the amount of dye transfer inhibitor based on the total amount of the detergent or cleaning agent is preferably from 0.01 to 2% by weight, preferably from 0.05 to 1% by weight, and more preferably from 0.1 to 0.5% by weight. -%.
• enzymatic systems comprising a peroxidase and hydrogen peroxide or a substance which produces hydrogen peroxide in water as a color transfer inhibitor.
• a mediator compound for the peroxidase for example, an acetosyringone, a phenol derivative or a phenotiazine or phenoxazine, is in this case, whereby additionally the above-mentioned polymeric color transfer inhibitors can be used.
• the washing or cleaning agents according to the invention can be used for washing and / or cleaning textile fabrics.
• the preparation of the washing or cleaning agent by means of conventional and known methods and methods.
• the constituents of the washing or cleaning agents can be simply mixed in stirred tanks, water, non-aqueous solvents and surfactants, are conveniently presented.
• the fatty acid is added and the saponification of the fatty acid moiety is carried out at 50 to 60 ° C.
• the other ingredients, including the graying-inhibiting polymer are added, preferably in portions.
• Table 1 below shows the compositions of a washing or cleaning agent E1 according to the invention.
• the washing or cleaning agent E1 showed a significantly better grayness inhibition compared to a washing or cleaning agent containing sodium carboxymethylcellulose with a mean particle size of 0.5 mm, which is probably due to the larger surface area of the polysaccharide particles. Furthermore, the washing or cleaning agent E1 was aesthetically much more appealing than the comparison detergent or cleaning agent and stable on storage.

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• 2007
  • 2007-05-07 DE DE102007021793A patent/DE102007021793A1/de not_active Withdrawn
• 2008
  • 2008-04-08 EP EP08735940A patent/EP2142630B1/de not_active Not-in-force
  • 2008-04-08 WO PCT/EP2008/054212 patent/WO2008135334A1/de active Application Filing
  • 2008-04-08 ES ES08735940T patent/ES2402834T3/es active Active
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  • 2008-04-08 JP JP2010506876A patent/JP5489986B2/ja not_active Expired - Fee Related
• 2009
  • 2009-11-05 US US12/613,095 patent/US7842658B2/en not_active Expired - Fee Related

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