EP2943560A1 - Wasserarme bis wasserfreie flüssige reinigungsmittel - Google Patents
Wasserarme bis wasserfreie flüssige reinigungsmittelInfo
- Publication number
- EP2943560A1 EP2943560A1 EP14700219.0A EP14700219A EP2943560A1 EP 2943560 A1 EP2943560 A1 EP 2943560A1 EP 14700219 A EP14700219 A EP 14700219A EP 2943560 A1 EP2943560 A1 EP 2943560A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cleaning agent
- water
- acid
- agent according
- detergent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
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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
- C11D1/72—Ethers of polyoxyalkylene glycols
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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
- 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
- C11D17/003—Colloidal solutions, e.g. gels; Thixotropic solutions or pastes
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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
- C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
- C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
- C11D17/041—Compositions releasably affixed on a substrate or incorporated into a dispensing means
- C11D17/042—Water soluble or water disintegrable containers or substrates containing cleaning compositions or additives for cleaning compositions
- C11D17/043—Liquid or thixotropic (gel) compositions
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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
- 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
- C11D3/3765—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions in liquid compositions
Definitions
- the present invention relates to liquid water-to-water detergents, in particular automatic dishwashing detergents containing at least one rinse aid, and their use.
- Hard surface cleaners such as dishwashing detergents
- dishwashing detergents are available to the consumer in a variety of forms.
- traditional solid agents are gaining increasingly increasingly flowable and especially liquid to gel detergent in importance.
- the consumer particularly appreciates the rapid solubility and the associated rapid availability of the ingredients in the cleaning liquor, especially in short-dishwashing programs and at low temperatures.
- compositions in which in particular the water content is reduced compared to conventional compositions, increases.
- compositions whose water content is as low as possible, for example less than 20% by weight, are particularly desirable.
- water contents of less than 20 wt .-% are also desirable.
- organic solvents in particular polyhydric alcohols, are therefore used instead of water.
- 1,2-propylene glycol and glycerol and mixtures thereof have proved to be advantageous.
- a matrix of such organic solvents is only able to absorb sufficient quantities of rinse aid surfactant to a limited extent, which may have a negative effect on the rinse performance of the product.
- Rinse aid surfactants include in particular alkoxylated nonionic surfactants, especially fatty alcohol alkoxylates. For a sufficient rinsing performance, depending on the remaining composition, at least 0.5% by weight of a rinse aid surfactant is generally required; usually at least 1-2% by weight are used.
- rinse aid surfactants in compositions with low water contents, for example 20% by weight or less, leads either to unacceptable thickening of the composition and / or in the case of the use of organic solvents to segregations in which rinse the rinse aid surfactant and, optionally, portions of the organic solvents onto the remainder of the composition, causing it to undergo unacceptable thickening.
- Thickeners are used in such systems not to thickening, but on the contrary leads to dilution and stabilization of the funds. This stabilizing effect is reflected in the fact that even with prolonged storage, there is no longer an uncontrolled increase in the viscosity, phase separation and solidification of the agents. In addition, such agents have an unchanged good rinse performance.
- the invention is directed to a liquid, low-water to anhydrous detergent containing at least one rinse aid surfactant thereby
- the cleaning agent further contains at least one hydrophobically modified acrylate polymer or copolymer selected from C 10 -C 3 O-alkyl modified cross-linked polyacrylate, C 10 -C 3 O-alkyl modified acrylate / Vinylester copolymer, and mixtures thereof, in an Concentration in the range of greater than 0.01 to less than 1 wt .-% based on the
- low in water means that the composition thus characterized contains 20% by weight of water or less. In particular, this term covers compositions containing from 1 to 20% by weight of water, from 1 to 15% by weight. % Water, 5-15 wt .-% water or 10 to less than 20 wt .-% water.
- composition contains less than 5% by weight, more preferably less than 3% by weight, preferably less than 1% by weight of water.
- the water content as defined herein refers to the water content determined by Karl Fischer titration.
- "Liquid” as used herein in reference to the cleaning agent of the present invention includes all flowable compositions and more particularly includes gels and pastes
- compositions which also includes non-Newtonian fluids having a yield point.
- At least one means 1 or more, for example, 1, 2, 3, 4, 5, or more.
- the polyacrylates and acrylate copolymers used according to the invention are characterized in that they are at least partially C 1 -C 30 -alkyl-modified crosslinked polyacrylates or at least partially hydrophobic, in particular C 1 -C 30 -alkyl, modified acrylate / vinyl ester copolymers.
- Partially modified in this context means that at least one part, preferably at least 20, more preferably at least 40, particularly preferably at least 50% of the monomer units are each substituted by at least one C 1 -C 30 -alkyl radical / C 10 -C 3 o-alkyl acrylate copolymers or acrylate / C-io-Cso-alkyl acrylate / C-io-Cso-alkyl-Vinylester copolymers.
- Such polymers are commercially available as thickeners and emulsifiers. Suitable examples Polygel DR (3V Sigma, Italy) and Pemulen ® TR1 (Lubrizol, USA), without which the invention is limited to these polymers.
- the amount of the at least one hydrophobically modified acrylate polymer or copolymer in the detergent is from 0.02 to 0.8, preferably from 0.03 to 0.5, more preferably from 0.05 to 0.15 Most preferably 0, 1 wt .-% based on the cleaning agent.
- the cleaning agents according to the invention contain at least one rinse aid surfactant.
- the rinse aid surfactant is a nonionic surfactant.
- nonionic surfactants known to the person skilled in the art can be used, weakly foaming nonionic surfactants, in particular alkoxylated, in particular ethoxylated, low-foaming nonionic surfactants, are preferably used.
- the automatic dishwashing agents contain nonionic surfactants from the group of alkoxylated alcohols.
- nonionic surfactants can be used which have a melting point above room temperature.
- nonionic surfactant (s) having a melting point above 20 ° C, preferably above 25 ° C, more preferably between 25 and 60 ° C and especially between 26.6 and 43.3 ° C, more preferably.
- surfactants come from the groups of alkoxylated nonionic surfactants, in particular the ethoxylated primary alcohols and mixtures of these surfactants with structurally complicated surfactants such as polyoxypropylene / polyoxyethylene / polyoxypropylene ((PO / EO / PO) surfactants).
- Such (PO / EO / PO) nonionic surfactants are also characterized by good foam control.
- nonionic surfactants used are low-foaming nonionic surfactants which have alternating ethylene oxide and alkylene oxide units.
- surfactants with EO-AO-EO-AO blocks are preferred, wherein in each case one to ten EO or AO groups are bonded to each other before a block of the other groups follows.
- R stands for a straight-chain or branched, saturated or mono- or polyunsaturated C6 -24 alkyl or alkenyl group
- R 2 and each group R 3 is independently selected from -CH 3, -CH 2 CH 3, -CH2CH2-CH3, CH (CH3) 2 and the indices w, x, y, z are each independently integers from 1 to 6 stand.
- nonionic surfactants which have a C 9 . 15 alkyl radical with 1 to 4 ethylene oxide units, followed by 1 to 4 propylene oxide units, followed by 1 to 4
- Preferred nonionic surfactants here are those of the general formula R -CH (OH) CH 2 O- (AO) w - (AO) x - (A "O) y - (A" O) z -R 2 , in which
- R is a straight-chain or branched, saturated or mono- or polyunsaturated C 6 . 2 is 4-alkyl or alkenyl;
- R 2 is H or a linear or branched hydrocarbon radical having 2 to 26 carbon atoms
- A, ⁇ ', A "and A'” independently represent a radical from the group -CH 2 CH 2, -CH 2 CH 2 -CH 2, -CH 2 "CH (CH 3), -CH 2 -CH 2 -CH 2 -CH 2, -CH 2 -CH (CH 3 ) -CH 2 -, -CH 2 -CH (CH 2 -CH 3 ), w, x, y and z are values between 0.5 and 120, where x, y and / or z can also be 0.
- the cleaning performance of the preparations according to the invention can be significantly improved both in comparison to surfactant-free system as well as in comparison to systems containing alternative nonionic surfactants, for example from the group of polyalkoxylated fatty alcohols.
- Hydrocarbon radicals having 2 to 30 carbon atoms, preferably 4 to 22
- Carbon atoms furthermore a linear or branched, saturated or
- x stands for values between 1 and 90, preferably for values between 30 and 80 and in particular for values between 30 and 60.
- surfactants of the formula R 0 [CH 2 CH (CH 3) O] x [CH 2 CH 2 O] y CH 2 Cl-1 (OI-l) R 2 in which R is a linear or branched aliphatic hydrocarbon radical 4 to 18 carbon atoms or mixtures thereof, R 2 is a linear or branched
- Hydrocarbon radical having 2 to 26 carbon atoms or mixtures thereof and x for values between 0.5 and 1, 5 and y is a value of at least 15 stands.
- nonionic surfactants include, for example, the C 2 -26 fatty alcohol (PO) i (EO) i 5 . 4o-2-hydroxyalkyl ethers, in particular also the C 8 -io-fatty alcohol (PO) i (EO) 22 -2-hydroxydecyl ethers.
- nonionic surfactants are the end-capped poly (oxyalkylated) Nonionic surfactants of the formula R 0 [CH 2 CH (R 3 ) O] x [CH 2 ] k CH (OH) [CH 2 ] j OR 2 , in which R and R 2 are linear or branched, saturated or unsaturated, aliphatic or aromatic
- Hydrocarbon radicals having 1 to 30 carbon atoms R 3 is H or a methyl, ethyl, n-propyl, iso-propyl, n-butyl, 2-butyl or 2-methyl-2-butyl radical, x is Values between 1 and 30, k and j represent values between 1 and 12, preferably between 1 and 5.
- k and j represent values between 1 and 12, preferably between 1 and 5.
- each R 3 in the above formula R 0 [CH 2 CH (R 3 ) O] x [CH 2 ] k CH (OH) [CH 2 ] j OR 2 may be different.
- R and R 2 are preferably linear or branched, saturated or unsaturated, aliphatic or aromatic hydrocarbon radicals having 6 to 22
- Carbon atoms, with radicals having 8 to 18 carbon atoms are particularly preferred.
- R 3 H, -CH 3 or -CH 2 CH 3 are particularly preferred.
- Particularly preferred values for x are in the range from 1 to 20, in particular from 6 to 15.
- each R 3 in the above formula may be different if x> 2.
- the alkylene oxide unit in the square bracket can be varied.
- R 0 [CH 2 CH (R 3 ) O] x CH 2 CH (OH) CH 2 OR 2 simplified.
- R, R 2 and R 3 are as defined above and x is from 1 to 30, preferably from 1 to 20 and in particular from 6 to 18.
- Particularly preferred are surfactants in which the radicals R and R 2 Have 9 to 14 carbon atoms, R 3 is H and x assumes values of 6 to 15.
- nonionic surfactants of the general formula R -CH (OH) CH 2 O- (AO) w -R 2 have proved to be particularly effective, in which
- R for a straight-chain or branched, saturated or on or
- R 2 is a linear or branched hydrocarbon radical having 2 to 26
- A is a radical from the group CH 2 CH 2 , CH 2 CH 2 CH 2 , CH 2 CH (CH 3 ),
- w stands for values between 1 and 120, preferably 10 to 80, in particular 20 to 40
- nonionic surfactants include, for example, the C 4 . 2 2 fatty alcohol (EO) i 0 -8o-2-hydroxyalkyl ethers, in particular also the C 8 -12 fatty alcohol (EO) 2 2-2-hydroxydecyl ethers and the C 4 . 22 fatty alcohol (EO) 40 -8o-2-hydroxyalkyl ethers.
- R 2 is hydrogen and R, R 3 , A, ⁇ ', A ", A'", w, x, y and z are as defined above.
- the liquid detergents of the invention preferably contain a nonionic surfactant from the group of hydroxy mixed ethers, wherein the weight fraction of the nonionic surfactant in the total weight of the cleaning agent preferably 0, 1 to 3.5, preferably 0.5 to 2.5, more preferably 1, 0 to 2.0 wt .-% is.
- the at least one rinse aid surfactant is a surfactant selected from the group consisting of polyalkoxylated fatty alcohols, especially hydroxy mixed ethers, preferably end-capped hydroxy mixed ethers, and the at least one hydrophobically modified acrylate polymer or copolymer is an alkyl-modified polyacrylate or alkyl-modified one acrylate / Vinylester copolymer, particularly a partially Ci 0 -C 30 alkyl-modified cross-linked polyacrylate or a partial C 10 -C 3 O-alkyl modified
- Embodiments The weight proportion of the polyalkoxylated fatty alcohol, in particular the hydroxy mixed ethers, preferably the end-capped hydroxy mixed ethers, 0.1 to 3.5, preferably 0.5 to 2.5, more preferably 1, 0 to 2.0 wt .-% and the weight fraction of alkyl modified polyacrylate or alkyl-modified acrylate / Vinylester copolymer, particularly a partially Ci 0 -C 30 -alkyl modified cross-linked polyacrylate or a partially Ci 0 -C 30 - alkyl-modified acrylate / Vinylester copolymer, 0.02 to 0.9, preferably 0.05 to 0.5, more preferably 0.07 to 0.2, most preferably 0, 1 wt .-%, each based on the total weight of the cleaning agent, amount.
- the cleaning agents according to the invention are preferably a
- Dishwashing agent in particular a machine dishwashing detergent.
- the invention relates to such cleaning agents which may be present in a water-insoluble, water-soluble or water-dispersible packaging, for example a film containing a disposable portion.
- a further subject of the present invention is also a machine dishwashing process in which a cleaning agent according to the invention is used.
- the invention also relates to the use of the cleaning agent according to the invention as a dishwashing detergent, in particular automatic dishwashing detergent.
- the detergent of the invention therefore contains at least one phosphate-containing builder component, preferably one
- Polyphosphate in particular a tripolyphosphate.
- tripolyphosphates (or else triphosphates) which can be used according to the invention are:
- Condensation products of ortho-phosphoric acid (H 3 P0 4 ) having the empirical formula P 3 O 10 5 " , which are usually used in the form of their salts, preferably the alkali metal or alkaline earth metal, more preferably in the form of their alkali metal salts
- Tripolyphosphate salts are generally hygroscopic, white, odorless , non-combustible solids that are readily soluble in water. According to the invention, especially the sodium or potassium salt of
- Tripolyphosphate Na 5 P 3 Oi 0 and K 5 P 3 Oi 0 ) or a mixture thereof used.
- the proportion by weight of the polyphosphates, in particular the tripolyphosphate, in the total weight of the cleaning agent according to the invention is preferably 0.1 to 40 wt .-%, in particular from 1 to 35 wt .-%, particularly preferably from 5 to 32 wt .-%, more preferably from 10 to 30 wt .-%.
- zeolites especially the polyphosphates, other builders, such as zeolites, silicates, carbonates, in particular the zeolites, silicates, carbonates, in particular the zeolites, silicates, carbonates, in particular the zeolites, silicates, carbonates, in particular the zeolites, silicates, carbonates, in particular the zeolites, silicates, carbonates, in particular the zeolites, silicates, carbonates, in particular the
- Alkali carbonates for example, sodium carbonate, sodium bicarbonate or sodium sesquicarbonate, and organic cobuilder can be used.
- silicates in particular, crystalline layered silicates of general formula NaMSi come x 0 2 x + i ⁇ y H 2 0 wherein M is sodium or hydrogen, x is a number from 1, 9 to 22, preferably from 1: 9 to 4, wherein particularly preferred values for x are 2, 3 or 4, and y is a number from 0 to 33, preferably from 0 to 20, into consideration.
- amorphous sodium silicates with a Na 2 O: SiO 2 modulus of from 1: 2 to 1: 3.3, preferably from 1: 2 to 1: 2.8 and in particular from 1: 2 to 1: 2.6, which preferably delayed release and have secondary washing properties.
- the content of silicates is limited to amounts below 10% by weight, preferably below 5% by weight and in particular below 2% by weight.
- Particularly preferred cleaning agents are silicate-free.
- organic co-builders are polycarboxylates / polycarboxylic acids, polymeric polycarboxylates, aspartic acid, polyacetals, dextrins, further organic cobuilders and phosphonates. These classes of substances are described below.
- Useful organic builders are, for example, the polycarboxylic acids which can be used in the form of the free acid and / or their sodium salts, polycarboxylic acids meaning those carboxylic acids which carry more than one acid function.
- these are citric acid, adipic acid, succinic acid, glutaric acid, malic acid, tartaric acid,
- NTA nitrilotriacetic acid
- Acidification and thus also serve to set a lower and milder pH of the automatic dishwashing detergent.
- citric acid here are citric acid,
- Succinic acid glutaric acid, adipic acid, gluconic acid and any mixtures thereof.
- aminocarboxylic acids and / or their salts.
- Particularly preferred members of this class are methylglycinediacetic acid (MGDA) or its salts, and glutamic diacetic acid (GLDA) or its salts or ethylenediaminediacetic acid or its salts (EDDS).
- MGDA methylglycinediacetic acid
- GLDA glutamic diacetic acid
- EDDS ethylenediaminediacetic acid or its salts
- IDS iminodisuccinic acid
- Iminodiacetic acid IDA
- Aminocarboxylic acids and their salts can be used together with the abovementioned builders, in particular also with the phosphate-free builders.
- Other suitable builders are polymeric polycarboxylates, for example the Alka II metal salts of polyacrylic acid or polymethacrylic acid, for example those having a relative molecular mass of 500 to 70,000 g / mol.
- Suitable polymers are, in particular, polyacrylates which preferably have a molecular weight of 2,000 to 20,000 g / mol. Because of their superior solubility, the short-chain polyacrylates, which have molar masses of from 2000 to 10000 g / mol, and particularly preferably from 3000 to 5000 g / mol, may again be preferred from this group.
- copolymeric polycarboxylates in particular those of acrylic acid with methacrylic acid and of acrylic acid or methacrylic acid with maleic acid.
- Copolymers of acrylic acid with maleic acid which contain 50 to 90% by weight of acrylic acid and 50 to 10% by weight of maleic acid have proven to be particularly suitable.
- Their relative molecular weight, based on free acids is generally from 2000 to 70000 g / mol, preferably from 20,000 to 50,000 g / mol and in particular from 30,000 to 40,000 g / mol.
- the detergents may contain, in particular, phosphonates as builder.
- the phosphonate compound used is preferably a hydroxyalkane and / or aminoalkane phosphonate.
- hydroxyalkane phosphonates 1-hydroxyethane-1,1-diphosphonate (HEDP) is of particular importance.
- Aminoalkanphosphonate are preferably
- Ethylenediaminetetramethylenephosphonate ETMP
- Diethylentriaminpentamethylenphosphonat DTPMP
- Phosphonates are contained in the compositions preferably in amounts of 0.1 to 10 wt .-%, in particular in amounts of 0.5 to 8 wt .-%, each based on the total weight of the cleaning agent.
- the cleaning agents according to the invention contain phosphates, in particular tripolyphosphates, it is preferred that they contain as further constituent preferably one or more builder (s) (builder / cobuilder) in addition to the phosphate-containing builder component.
- builder builder / cobuilder
- builders other than the phosphate-containing builder component include in particular those described above as further builders, preferably carbonates, citrates, phosphonates, MGDA, GLDA, iminodisuccinic acid, iminodiacetic acid, EDDS (ethylenediamine-N, N'-disuccinic acid) or the salts of said acids, other organic cobuilders and silicates.
- Particularly preferred phosphate-containing detergents contain citrate, for example sodium or potassium citrate, as one of their essential builders other than the phosphate-containing builder component. Detergents containing from 1 to 10% by weight, preferably from 2 to 5% by weight, of citrate are preferred according to the invention. Additionally or alternatively, particularly preferred phosphate-containing cleaning agents can be used as one of the phosphate-containing
- Builder component different builders phosphonates, such as HEDP included.
- the cleaning agents of the invention may further contain a sulfopolymer.
- Weight fraction of the sulfopolymer in the total weight of the cleaning agent according to the invention is preferably from 0.1 to 20 wt .-%, in particular from 0.5 to 18 wt .-%, particularly preferably 1, 0 to 15 wt .-%, in particular from 4 to 14 Wt .-%, especially from 6 to 12 wt .-%.
- the sulfopolymer is usually used in the form of an aqueous solution, the aqueous solutions typically containing 20 to 70 wt .-%, in particular 30 to 50 wt .-%, preferably about 35 to 40 wt .-% sulfopolymer (s).
- the sulfopolymer used is preferably a copolymeric polysulfonate, preferably a hydrophobically modified copolymeric polysulfonate.
- the copolymers may have two, three, four or more different monomer units.
- Preferred copolymeric polysulfonates contain sulfonic acid group-containing (s)
- Monomer (s) at least one monomer from the group of unsaturated carboxylic acids.
- unsaturated carboxylic acids are acrylic acid, methacrylic acid, ethacrylic acid, ⁇ -chloroacrylic acid, ⁇ -cyanoacrylic acid, crotonic acid, ⁇ -phenyl-acrylic acid, maleic acid,
- Particularly preferred monomers containing sulfonic acid groups are 1-acrylamido-1-propanesulfonic acid, 2-acrylamido-2-propanesulfonic acid, 2-acrylamido-2-methyl-1-propanesulfonic acid, 2-methacrylamido-2-methyl-1-propanesulfonic acid, 3 Methacrylamido-2-hydroxypropanesulfonic acid, allylsulfonic acid, methallylsulfonic acid, allyloxybenzenesulfonic acid, methallyloxybenzenesulfonic acid, 2-hydroxy-3- (2-propenyloxy) propanesulfonic acid, 2-methyl-2-propenylsulfonic acid, styrenesulfonic acid, vinylsulfonic acid, 3-sulfopropyl acrylate, 3-sulfo - Propylmethacrylat, sulfomethacrylamide, sulfomethylmethacrylamide and mixtures of said acids or their water-
- the sulfonic acid groups may be wholly or partly in neutralized form, ie that the acidic acid of the sulfonic acid group in some or all sulfonic acid groups may be exchanged for metal ions, preferably alkali metal ions and especially sodium ions.
- metal ions preferably alkali metal ions and especially sodium ions.
- Sulfonic acid-containing copolymers is inventively preferred.
- the monomer distribution of the copolymers preferably used according to the invention in the case of copolymers containing only monomers containing carboxylic acid groups and monomers containing sulfonic acid groups is preferably from 5 to 95% by weight, more preferably from 50 to 90% by weight of the sulfonic acid group-containing monomer. % and the share of
- the molar mass of the sulfo copolymers preferably used according to the invention can be varied in order to adapt the properties of the polymers to the desired end use.
- Preferred cleaning agents are characterized in that the copolymers have molar masses of 2000 to 200,000 gmol 1 , preferably from 4000 to 25,000 gmol 1 and in particular from 5000 to 15,000 gmol "1 .
- the copolymers include besides
- Carboxyl-containing monomer and sulfonic acid-containing monomer further at least one nonionic, preferably hydrophobic monomer.
- the use of these hydrophobically modified polymers has made it possible in particular to improve the rinse aid performance of automatic dishwashing detergents according to the invention.
- Anionic copolymers comprising monomers containing carboxylic acid groups, monomers containing sulfonic acid groups and nonionic monomers, in particular hydrophobic monomers, are therefore preferred according to the invention.
- nonionic monomers are preferably monomers of the general formula
- R (R 2 ) C C (R 3 ) -XR 4 used, in which R to R 3 are independently -H, -CH 3 or -C 2 H 5 , X is an optional spacer group selected is from -CH 2 -, -C (0) 0- and -C (0) -NH-, and R 4 is a straight or branched chain saturated alkyl radical having 2 to 22 carbon atoms or an unsaturated, preferably aromatic radical having 6 to 22 carbon atoms.
- nonionic monomers are butene, isobutene, pentene, 3-methylbutene, 2-methylbutene, cyclopentene, hexene, hexene-1, 2-methylpentene-1, 3-methylpentene-1, cyclohexene, methylcyclopentene, cycloheptene, methylcyclohexene, 2,4 , 4-trimethylpentene-1, 2,4,4-trimethylpentene-2,3,3-dimethylhexene-1, 2,4-dimethylhexene-1, 2,5-dimethlyhexene-1,3,5-dimethylhexene-1,4 , 4-dimethylhexane-1, ethylcyclohexyn, 1-octene, ⁇ -olefins having 10 or more carbon atoms such as 1-decene, 1-dodecene, 1-hexadecene, 1-octadecene and C
- the monomer distribution of the hydrophobically modified copolymers preferably used according to the invention is preferably in each case from 5 to 80% by weight, with respect to the sulfonic acid group-containing monomer, the hydrophobic monomer and the carboxylic acid group-containing monomer, the proportion of the sulfonic acid group-containing monomer and of the each hydrophobic monomer 5 to 30 wt .-% and the proportion of the carboxylic acid group-containing monomer 60 to 80 wt .-%, the monomers are in this case preferably selected from the aforementioned.
- the detergents may contain alkali metal hydroxides.
- alkali carriers are preferred in the cleaning agents only in small amounts, preferably in amounts below 10 wt .-%, preferably below 6 wt .-%, preferably below 5 wt .-%, particularly preferably between 0, 1 and 5 wt .-% and in particular between 0.5 and 5 wt .-%, each based on the total weight of the cleaning agent used.
- Alternative cleaning agents according to the invention are free of alkali metal hydroxides.
- the cleaning agents according to the invention may contain at least one polyhydric alcohol.
- Such polyhydric alcohols may allow incorporation of other ingredients in a detergent formulation with a small amount of water, especially when limiting the amount of water to 20% by weight.
- the amount of polyhydric alcohol used in detergents or cleaners according to the invention is preferably at least 20% by weight, in particular at least 25% by weight, more preferably at least 28% by weight, especially at least 30% by weight. %.
- Preferred quantitative ranges are in this case from 20 to 50% by weight, in particular from 25 to 45% by weight, in particular from 28 to 40% by weight.
- the polyhydric alcohol is preferably selected from glycerol, ethylene glycol, 1, 2-propylene glycol, 1, 3-propylene glycol, 2-methyl-1, 3-propanediol and mixtures thereof.
- a mixture of at least two polyhydric alcohols is used.
- a polyhydric alcohol which is particularly preferably used according to the invention is 1,2-propylene glycol.
- 1, 2-propylene glycol is used in inventive compositions preferably in an amount of 1 to 40 wt .-%, in particular in an amount of 2 to 35 wt .-%, particularly preferably in an amount of 5 to 30 wt .-%.
- Glycerol is used in inventive compositions preferably in an amount of 1 to 40 wt .-%, in particular in an amount of 2 to 35 wt .-%, particularly preferably in an amount of 5 to 30 wt .-%, is used.
- a mixture of glycerol and 1, 2-propylene glycol is used.
- the glycerol is preferably used in an amount of 0, 1 to 40 wt .-%, in particular in an amount of 2 to 30 wt .-%, particularly preferably in an amount of 5 to 20 wt .-%.
- the 1, 2-propylene glycol is in this case preferably in an amount of 1 to 40 wt .-%, in particular in an amount of 5 to 35 wt .-%, particularly preferably in an amount of 10 to 30 wt .-%, respectively to the total mass of the cleaning agent, wherein the total amount of glycerol and 1, 2-propylene glycol preferably at least 20 wt .-%, in particular at least 25 wt .-%, especially at least 30 wt .-%, particularly preferably 25 to 45 wt .-%, in particular 30 to 42 wt .-%, especially 35 to 40 wt .-%, is.
- the 1, 2-propylene glycol is in this case preferably in an amount
- Mass ratios of glycerol: 1,2-propylene glycol may range from 1: 7 to 7: 1, preferably from 3: 1 to 1: 6. Depending on the other ingredients, it may be preferred that the alcohol mixture contains more glycerol than 1,2-propylene glycol. In such a case, the ratio of glycerol: 1,2-propylene glycol may range from 1: 1 to 3: 1 and / or the glycerol concentration is in the range 20-30 wt .-% and the 1, 2-propylene glycol concentration is in the range 5-20 wt .-%. Alternatively, the ratio may be reversed and the detergent may contain greater amounts of propylene glycol.
- the ratio of glycerol: 1,2-propylene glycol is about 1: 7 to 1: 3, and / or the glycerol concentration is in the range of 2-10% by weight, and the 1,2-propylene glycol concentration is in the range of 25-35 wt .-%.
- the pH of the cleaning agent can be adjusted by means of customary pH regulators, the pH value being selected depending on the desired application.
- the pH is in a range of 5.5 to 10.5, preferably 5.5 to 9.5, more preferably 7 to 9, especially greater than 7, especially in the range 7.5 to 8.5
- the pH adjusting agents are acids and / or alkalis, preferably alkalis.
- Suitable acids are in particular organic acids such as acetic acid, citric acid, glycolic acid, lactic acid, succinic acid, adipic acid, malic acid, tartaric acid and gluconic acid or amidosulfonic acid.
- Suitable bases are selected from the group of alkali and alkaline earth metal hydroxides and carbonates, in particular the
- Alkali metal hydroxides of which potassium hydroxide and especially sodium hydroxide is preferred.
- volatile alkali for example in the form of ammonia and / or alkanolamines, which may contain up to 9 carbon atoms in the molecule.
- the alkanolamine here is preferably selected from the group consisting of mono-, di-, triethanol- and -propanolamine and mixtures thereof.
- the alkanolamine is preferably contained in agents according to the invention in an amount of from 0.5 to 10% by weight, in particular in an amount of from 1 to 6% by weight.
- the composition according to the invention may contain one or more buffer substances (INCI Buffering Agents), usually in amounts of from 0.001 to 5% by weight. Preference is given to buffer substances which are at the same time complexing agents or even chelating agents (chelating agents, INCI chelating agents).
- buffer substances are the citric acid or the citrates, in particular the sodium and potassium lead, for example trisodium citrate 2H 2 0 and tripotassium citrate H 2 0.
- compositions according to the invention preferably comprise at least one further constituent, preferably selected from the group consisting of anionic, cationic and amphoserous surfactants, bleaching agents, bleach activators, bleach catalysts, enzymes, thickeners, sequestering agents, electrolytes, corrosion inhibitors, in particular silver protectants, glass corrosion inhibitors, foam inhibitors, dyes , Fragrances, bitter substances, and antimicrobial agents.
- at least one further constituent preferably selected from the group consisting of anionic, cationic and amphoserous surfactants, bleaching agents, bleach activators, bleach catalysts, enzymes, thickeners, sequestering agents, electrolytes, corrosion inhibitors, in particular silver protectants, glass corrosion inhibitors, foam inhibitors, dyes , Fragrances, bitter substances, and antimicrobial agents.
- Preferred anionic surfactants are fatty alcohol sulfates, fatty alcohol ether sulfates, dialkyl ether sulfates, monoglyceride sulfates, alkylbenzenesulfonates, olefinsulfonates, alkanesulfonates, ether sulfonates, n-alkyl ether sulfonates, ester sulfonates and lignosulfonates.
- fatty acid cyanamides sulfosuccinates (sulfosuccinic esters), in particular sulfosuccinic acid mono- and di-C 8 -C 8 -alkyl esters, sulfosuccinamates,
- Fatty acid sarcosinates Fatty acid sarcosinates, ether carboxylic acids and alkyl (ether) phosphates and ⁇ -sulfofatty acid salts, acylglutamates, monoglyceride disulfates and alkyl ethers of glycerol disulfate.
- the anionic surfactants are preferably used as sodium salts, but may also be present as other alkali or alkaline earth metal salts, for example potassium or magnesium salts, and in the form of ammonium or mono-, di-, tri- or tetraalkylammonium salts, in the case of the sulfonates also in the form of their corresponding acid, eg Dodecylbenzenesulfonic.
- Suitable amphoteric surfactants are, for example, betaines of the formula (R “ 1 ) (R lv ) (R v ) N + CH 2 COO " , in which R '"is an alkyl radical optionally interrupted by hetero atoms or heteroatom groups having 8 to 25, preferably 10 to 21 carbon atoms and R IV and R v are identical or different alkyl radicals having 1 to 3 carbon atoms, in particular C 10 -C 8 alkyl dimethylcarboxymethylbetain and Cn-Ci7-Alkylamidopropyl-dimethylcarboxymethylbetain.
- Suitable cationic surfactants are i.a. the quaternary ammonium compounds of the formula
- R VI (R VI ) (R vii ) (R viii ) (R ix ) N + X "
- R vi to R ix for four identical or different, in particular two long and two short-chain, alkyl radicals and X " for an anion , in particular a halide ion, for example, didecyl-dimethyl-ammonium chloride, alkyl-benzyl-didecyl-ammonium chloride and mixtures thereof.
- Suitable cationic surfactants are the quaternary
- surface-active compounds in particular with a sulfonium, phosphonium, iodonium or arsonium group, which are also known as antimicrobial agents.
- the agent can be designed with an antimicrobial effect or its possibly existing antimicrobial effect due to other ingredients can be improved.
- the enzymes include in particular proteases, amylases, lipases, hemicellulases,
- Cellulases perhydrolases or oxidoreductases, and preferably mixtures thereof. These enzymes are basically of natural origin; Starting from the natural molecules, improved variants are available for use in detergents, which are preferably used accordingly.
- Detergents according to the invention contain enzymes
- Protein concentration can be determined by known methods, for example the BCA method or the biuret method.
- subtilisin type those of the subtilisin type are preferable.
- these are the subtilisins BPN 'and Carlsberg and their further developed forms, the protease PB92, the subtilisins 147 and 309, the alkaline protease from Bacillus lentus, subtilisin DY and the enzymes thermitase which can no longer be assigned to the subtilisins in the narrower sense, Proteinase K and the proteases TW3 and TW7.
- amylases which can be used according to the invention are the ⁇ -amylases from Bacillus licheniformis, from ⁇ . amyloliquefaciens, from ⁇ . stearothermophilus, from Aspergillus niger and A. oryzae and the improved for use in detergents developments of the aforementioned amylases. Furthermore, for this purpose, the ⁇ -amylase from Bacillus sp. A 7-7 (DSM 12368) and cyclodextrin glucanotransferase (CGTase) from ⁇ . agaradherens
- lipases or cutinases are also usable according to the invention.
- lipases or cutinases in particular because of their triglyceride-splitting activities, but also in order to generate in situ peracids from suitable precursors.
- lipases or cutinases include, for example, those originally from Humicola lanuginosa
- enzymes can be used which are termed hemicellulases
- mannanases xanthan lyases
- pectin lyases pectinases
- pectin esterases pectate lyases
- xyloglucanases xylanases
- pullulanases and ⁇ -glucanases.
- Oxidoreductases for example oxidases, oxygenases, catalases, peroxidases, such as halo, chloro, bromo, lignin, glucose or manganese peroxidases, dioxygenases or laccases (phenol oxidases, polyphenol oxidases) can be used according to the invention to increase the bleaching effect.
- oxidases oxygenases, catalases, peroxidases, such as halo, chloro, bromo, lignin, glucose or manganese peroxidases, dioxygenases or laccases
- organic, more preferably aromatic, enzyme-interacting compounds to enhance the activity of the respective oxidoreductases (enhancers) or to react at greatly varying redox potentials between the oxidizing enzymes and the
- a protein and / or enzyme may be particularly protected during storage against damage such as inactivation, denaturation or degradation, such as by physical influences, oxidation or proteolytic cleavage.
- damage such as inactivation, denaturation or degradation, such as by physical influences, oxidation or proteolytic cleavage.
- inhibition of proteolysis is particularly preferred, especially if the agents also contain proteases.
- Detergents may contain stabilizers for this purpose; the provision of such means constitutes a preferred embodiment of the present invention.
- Cleaning-active proteases and amylases are generally not provided in the form of the pure protein but rather in the form of stabilized, storage and transportable preparations.
- Such prefabricated preparations include, for example, the solid preparations obtained by granulation, extrusion or lyophilization or, especially in the case of liquid or gel-form detergents, solutions of the enzymes, advantageously as concentrated as possible, low in water and / or added with stabilizers or further auxiliaries.
- the enzymes may be encapsulated for both the solid and liquid dosage forms, for example by spray-drying or extruding the enzyme solution together with a preferably natural polymer or in the form of capsules, for example those in which the enzymes are entrapped as in a solidified gel or in those of the core-shell type, in which an enzyme-containing core with a water, air and / or
- Chemical-impermeable protective layer is coated.
- further active ingredients for example stabilizers, emulsifiers, pigments, bleaches or dyes, may additionally be applied.
- Such capsules are applied by methods known per se, for example by shaking or rolling granulation or in fluid-bed processes.
- such granules for example by applying polymeric
- Protease and amylase preparations preferably used according to the invention contain between 0.1 and 40% by weight, preferably between 0.2 and 30% by weight, more preferably between 0.4 and 20% by weight and
- detergents which, based in each case on their total weight, contain 0.1 to 12% by weight, preferably 0.2 to 10% by weight and in particular 0.5 to 8% by weight, of enzyme preparations.
- the glass corrosion inhibitors used are preferably zinc salts, in particular zinc acetate. Glass corrosion inhibitors are preferably present in compositions according to the invention in an amount of from 0.05 to 5% by weight, in particular in an amount of from 0.1 to 2% by weight.
- the detergent immediately after production has a viscosity above 2000 mPas (Brookfield Viscometer DV-II + Pro, spindle 25, 30 rpm, 20 ° C), in particular between 2000 and 10,000 mPas.
- the viscosity may be higher, for example, greater than 10,000 mPas, such as in the range 10000-50000 mPas, (Brookfield Viscometer DV-II + Pro, spindle 25, 5 rpm, 20 ° C). It is preferred that the agent is flowable at room temperature.
- the cleaning agent may be in a water-insoluble, water-soluble or
- the invention therefore also relates to kits containing the cleaning agent together with such a package.
- the cleaning agent can be made up so that disposable portions are each packed separately.
- the cleaning agent according to the invention is preferably contained in a water-soluble packaging.
- the water-soluble packaging allows a portioning of the cleaning agent.
- the amount of detergent in the sachet is preferably 5 to 50 g, more preferably 10 to 30 g, especially 15 to 25 g.
- the water-soluble coating is preferably formed from a water-soluble film material selected from the group consisting of polymers or polymer blends.
- the wrapper may be formed of one or two or more layers of the water-soluble film material.
- the water-soluble film material of the first layer and the further layers, if present, may be the same or different. Particularly preferred are films which, for example, can be glued and / or sealed to packages such as hoses or cushions after being filled with an agent.
- the water-soluble coating be polyvinyl alcohol or a
- Water-soluble coatings containing polyvinyl alcohol or a polyvinyl alcohol copolymer have a good stability with a sufficiently high water solubility, in particular cold water solubility on.
- Suitable water-soluble films for producing the water-soluble coating are preferably based on a polyvinyl alcohol or a polyvinyl alcohol copolymer whose
- Molecular weight in the range of 10,000 to 1,000,000 gmol “1 , preferably from 20,000 to 500,000 gmol “ 1 , more preferably from 30,000 to 100,000 gmol “1 and in particular from 40,000 to 80,000 gmol “ 1 .
- polyvinyl alcohol is usually carried out by hydrolysis of polyvinyl acetate, since the direct synthesis route is not possible.
- polyvinyl alcohol copolymers which are prepared from correspondingly polyvinyl acetate copolymers. It is preferred if at least one layer of the water-soluble coating 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%.
- a polymer selected from the group comprising a polyvinyl alcohol-containing sheet material suitable for producing the water-soluble sheath is selected from the group comprising a polyvinyl alcohol-containing sheet material suitable for producing the water-soluble sheath
- (Meth) acrylic acid-containing (co) polymers polyacrylamides, oxazoline polymers, polystyrene sulfonates, polyurethanes, polyesters, polyethers, polylactic acid or mixtures of the above polymers may be added.
- a preferred additional polymer is polylactic acids.
- Preferred polyvinyl alcohol copolymers include, in addition to vinyl alcohol, dicarboxylic acids as further monomers.
- Suitable dicarboxylic acids are itaconic acid, malonic acid, succinic acid and
- polyvinyl alcohol copolymers include, in addition to vinyl alcohol, an ethylenically unsaturated carboxylic acid, its salt or its esters.
- Such polyvinyl alcohol copolymers particularly preferably contain, in addition to vinyl alcohol, acrylic acid, methacrylic acid, acrylates, methacrylates or mixtures thereof.
- the film material contains further additives.
- the film material may include, for example, plasticizers such as dipropylene glycol, ethylene glycol, diethylene glycol,
- Additives include, for example, release aids, fillers, crosslinking agents, surfactants, antioxidants, UV absorbers, antiblocking agents, detackifiers, or mixtures thereof.
- Suitable water-soluble films for use in the water-soluble wraps of the water-soluble packaging according to the invention are films sold by MonoSol LLC For example, be sold under the name M8630, C8400 or M8900.
- Other suitable films include films named Solublon® PT, Solublon® GA, Solublon® KC or Solublon® KL from Aicello Chemical Europe GmbH or the films VF-HP from Kuraray.
- the cleaning agents according to the invention can be used as dishwashing agents, in particular automatic dishwasher detergents.
- the corresponding use is also the subject of the invention.
- the invention likewise relates to a dishwashing process, in particular a machine dishwashing process, in which a cleaning agent according to the invention is used.
- the cleaning agents according to the invention are characterized in that they are stable on storage and even after a prolonged period, no phase separation occurs.
- the compositions are shown in the following Table 1, the quantities are in wt .-% active substance.
- Polyurethane DR (3V Sigma) was used as the hydrophobically modified acrylate / vinyl ester copolymer.
- Dishwasher were at 50 ° C and 21 ° dH different materials (glass, porcelain (black), stainless steel, plastic) with 20 g of each recipe and 100 g fatty acids
- Acrylic acid polymer Na salt 1 1 1 1 1 1
- Hydrophobically modified acrylate / vinyl ester copolymer 0, 1 - 1, 0 0,01 -
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- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Detergent Compositions (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013200358.7A DE102013200358A1 (de) | 2013-01-14 | 2013-01-14 | Wasserarme bis wasserfreie flüssige Reinigungsmittel |
| PCT/EP2014/050072 WO2014108359A1 (de) | 2013-01-14 | 2014-01-06 | Wasserarme bis wasserfreie flüssige reinigungsmittel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2943560A1 true EP2943560A1 (de) | 2015-11-18 |
| EP2943560B1 EP2943560B1 (de) | 2020-03-04 |
Family
ID=49955323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP14700219.0A Active EP2943560B1 (de) | 2013-01-14 | 2014-01-06 | Wasserarme bis wasserfreie flüssige reinigungsmittel |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20150315529A1 (de) |
| EP (1) | EP2943560B1 (de) |
| DE (1) | DE102013200358A1 (de) |
| WO (1) | WO2014108359A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2529138A (en) | 2014-07-02 | 2016-02-17 | Basf Se | Detergent |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1105181C (zh) * | 1995-02-28 | 2003-04-09 | 凯化学公司 | 浓缩液体凝胶器皿洗涤剂 |
| US5747442A (en) * | 1996-01-25 | 1998-05-05 | Lever Brothers Company, Division Of Conopco, Inc. | Stick pretreater compositions containing hydrophobically modified polar polymers |
| US20010001783A1 (en) * | 1998-10-13 | 2001-05-24 | Glenn Nystrand | Retinol stabilized cleansing compositions |
| WO2002008371A2 (en) * | 2000-02-17 | 2002-01-31 | The Procter & Gamble Company | Cleaning composition |
| US6492312B1 (en) * | 2001-03-16 | 2002-12-10 | Unilever Home & Personal Care Usa, Division Of Conopco, Inc. | Water soluble sachet with a dishwashing enhancing particle |
| AU2010202421B2 (en) * | 2009-06-15 | 2014-05-08 | Gojo Industries, Inc. | Method and compositions for use with gel dispensers |
| DE102012216399A1 (de) * | 2012-09-14 | 2014-05-15 | Henkel Ag & Co. Kgaa | Strukturiertes, wasserarmes, flüssiges Waschmittel mit Partikeln |
-
2013
- 2013-01-14 DE DE102013200358.7A patent/DE102013200358A1/de not_active Withdrawn
-
2014
- 2014-01-06 WO PCT/EP2014/050072 patent/WO2014108359A1/de not_active Ceased
- 2014-01-06 EP EP14700219.0A patent/EP2943560B1/de active Active
-
2015
- 2015-07-13 US US14/797,686 patent/US20150315529A1/en not_active Abandoned
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2014108359A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2943560B1 (de) | 2020-03-04 |
| DE102013200358A1 (de) | 2014-07-17 |
| WO2014108359A1 (de) | 2014-07-17 |
| US20150315529A1 (en) | 2015-11-05 |
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