EP2118253B1 - Composition de savon en pâte à compatibilité membranaire avec des propriétés de démoussage améliorées - Google Patents

Composition de savon en pâte à compatibilité membranaire avec des propriétés de démoussage améliorées Download PDF

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Publication number
EP2118253B1
EP2118253B1 EP07726819A EP07726819A EP2118253B1 EP 2118253 B1 EP2118253 B1 EP 2118253B1 EP 07726819 A EP07726819 A EP 07726819A EP 07726819 A EP07726819 A EP 07726819A EP 2118253 B1 EP2118253 B1 EP 2118253B1
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composition according
composition
carbon atoms
membrane
alkyl
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German (de)
English (en)
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EP2118253A1 (fr
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Khalil Shamayeli
Thomas Merz
Ralf-Erbo Knop
Peter Beisemann
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Ecolab Inc
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Ecolab Inc
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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
    • C11D1/66—Non-ionic compounds
    • C11D1/83—Mixtures of non-ionic with anionic compounds
    • C11D1/8305—Mixtures of non-ionic with anionic compounds containing a combination of non-ionic compounds differently alcoxylised or with different alkylated chains
    • 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
    • C11D10/00—Compositions of detergents, not provided for by one single preceding group
    • C11D10/04—Compositions of detergents, not provided for by one single preceding group based on mixtures of surface-active non-soap compounds and soap
    • 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
    • C11D10/00—Compositions of detergents, not provided for by one single preceding group
    • C11D10/04—Compositions of detergents, not provided for by one single preceding group based on mixtures of surface-active non-soap compounds and soap
    • C11D10/045—Compositions of detergents, not provided for by one single preceding group based on mixtures of surface-active non-soap compounds and soap based on non-ionic surface-active compounds and soap
    • 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
    • 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
    • C11D3/0026—Low foaming or foam regulating compositions
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2003—Alcohols; Phenols
    • C11D3/2006—Monohydric alcohols
    • C11D3/201—Monohydric alcohols linear
    • C11D3/2013—Monohydric alcohols linear fatty or with at least 8 carbon atoms in the alkyl chain
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2003—Alcohols; Phenols
    • C11D3/2006—Monohydric alcohols
    • C11D3/2017—Monohydric alcohols branched
    • C11D3/202—Monohydric alcohols branched fatty or with at least 8 carbon atoms in the alkyl chain
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2003—Alcohols; Phenols
    • C11D3/2006—Monohydric alcohols
    • C11D3/2027—Monohydric alcohols unsaturated
    • C11D3/2031—Monohydric alcohols unsaturated fatty or with at least 8 carbon atoms in the alkenyl chain
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2003—Alcohols; Phenols
    • C11D3/2041—Dihydric alcohols
    • 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
    • C11D3/2068—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
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/373—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicones
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/373—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicones
    • C11D3/3738—Alkoxylated silicones
    • 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
    • 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
    • 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
    • C11D1/722—Ethers of polyoxyalkylene glycols having mixed oxyalkylene groups; Polyalkoxylated fatty alcohols or polyalkoxylated alkylaryl alcohols with mixed oxyalkylele groups
    • 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
    • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/40—Specific cleaning or washing processes
    • C11D2111/48—Regeneration of cleaning solutions
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2003—Alcohols; Phenols
    • C11D3/2041—Dihydric alcohols
    • C11D3/2044—Dihydric alcohols linear
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2003—Alcohols; Phenols
    • C11D3/2041—Dihydric alcohols
    • C11D3/2048—Dihydric alcohols branched

Definitions

  • the present invention refers to a Cleaning or detergent composition which is appropriate for the use in a washing process in which the waste water is purified by a membrane filtration unit and especially by a membrane filtration unit comprising one or more reverse osmosis steps.
  • the composition is in form of a paste and has at 25°C a viscosity of from 100.000 mPas to 500.000 mPas at 5 revolutions par minute using spindle 7.
  • the invention further relates to a method for washing textiles with a composition according to the invention and to the use of the composition as a detergent in a commercial laundry and/or in private washing machines.
  • Paste-like detergents or cleaning agents are known in the art, such as described, for example, in WO 98/33881 , WO 98/59025 , WO 01/32819 and WO 02/46351 .
  • compositions mentioned in WO 98/33881 and WO 01132819 are intended to provide alkaline paste-like compositions without synthetic anionic surfactants of the alkyl benzene sulfonate-type or non-ionic alkoxy groups containing surfactants, while at the same time providing appropriate storage stability and excellent washing performance.
  • the compositions described therein lead to problems with respect to the purification of the waste water, since they cause a blocking of the filtration units used to achieve the purification.
  • WO 98/59025 tends to facilitate the purification process of the waste water accumulated during the washing cycle, especially in commercial laundries, by providing appropriate detergents large amounts of phosphates are used, which is critical from an environmental point of view. Additionally, it has been found that the combination of products mentioned therein is not appropriate for a waste water purification in which the filtration process comprises one or more reverse osmosis steps. However, especially the purification of the waste water by filtration comprising at least one reverse osmosis step has become very important in recent years, since this allows the re-use of the purified water in another washing cycle. This is of great relevance for reducing the costs of the washing process and no fresh water needs to be added to subsequent washing cycles.
  • WO 02/46351 The problem underlying WO 02/46351 is to provide a paste-like detergent or cleaning agent which is appropriate for use in washing processes in which the accumulated waste water is intended to become purified by a filtration process using at least one reverse osmosis step.
  • the content of surfactants used therein is very low.
  • the cleaning performance is reduced or at least the composition is rather appropriate for soil which is easily dispersed predominantly by the alkaline properties of the liquor.
  • WO 2005/118760 A1 describes a membrane compatible pasty soap composition which can be used in a washing process in which the waste water is purified by membrane filtration units.
  • the composition does not block the membrane filtration unit and guarantees a high stream of permeate.
  • the membranes can be used for a long time and after the use cycle they can be re-generated and cleaned with high efficiency.
  • composition described in WO 2005/118760 A1 comprises a mixture of surfactants which are fatty alcohol alkoxylates and fatty alcohols. Furthermore anionic surfactants can be present.
  • the composition further comprises an alkalinity source and one or more or ganic and/or inorganic builders on a non-silicate basis.
  • the composition described in WO 2005/118760 has the disadvantage that the foaming behavior of the composition when used in the washing process is not optimal.
  • the usual de-foamers like fatty alcohols or paraffines or silicon oil do not avoid the foaming of the composition in a sufficient way. It is not possible either to increase the amount of de-foamer because this too does not prevent the composition from foaming.
  • the foam is build up after the washing step when the textiles leave the tunnel and are pressed to reduce the water content in the textile. After that the textiles leave the machine on a conveyer belt equipped with sensors which can recognize foam. If foam is detected by the sensor, the conveyer belts stop and the whole process in the tunnel washer is interrupted. As the tunnel washing is a continuous process, this means that the whole process stops and has to be started again by manual operation.
  • a further disadvantage of the defoamers which are used in the state of the art is that they are not membrane-compatible and tend to block the membranes of the membrane filtration unit of the industrial washing machine.
  • composition comprising a Cleaning or detergent composition, having at 25°C a viscosity of from 100.000 mPas to 500.000 mPas at 5 revolutions per minute using Spindle 7, comprising
  • a defoamer comprising a cross-linked or partly cross-linked polysiloxane having a three-dimensional structure, the membranes are not blocked and in addition thereto a good foaming behavior of the composition is achieved.
  • foaming-regulators used in washing an cleaning compositions
  • Typical foam-regulators which are used in detergents can be, for example, mixtures of silicon oil and silica wherein the silica particles can preferably be silanised.
  • the silicon oil which is used normally is a linear polysiloxane compound.
  • Other foam inhibitors which are also used in the state of the art are paraffins, hydrocarbons, saturated fatty acids or soaps, alkali metal salts or phosphoric acid mono esters or dialkyl esters.
  • a further group of defoamers are organo modified polyether siloxanes which have organo functional groups in their side chains.
  • organo modified polyether siloxanes which have organo functional groups in their side chains.
  • Such a compound is, for example, Y-14765 available from GE silicones.
  • organo modified silicon oils have the disadvantage that they are not membrane-compatible and block the membrane.
  • cross-linked or partly cross-linked polysiloxanes having a three-dimensional structure are fully membrane-compatible and do not block the membrane. In addition thereto they show very good foam regulation properties.
  • Such three-dimensional polysiloxanes are normally used in form of an emulsion which contains the cross-linked siloxane droplets which are preferably modified by organo-functional groups.
  • Such partly cross-linked polysiloxanes having a three-dimensional structure are, for example, available from Münzing Chemie under the trade name Foam Ban R .
  • composition according to the invention has the further advantage that it does preferably not contain any compounds which are not membrane-compatible, like, for example, grain inhibitors on a cellulose basis, and silicates. Furthermore it is preferred that the composition according to the invention does not contain other polysiloxane compounds or silicon oils except cross-linked or partly cross-linked polysiloxanes having a three-dimensional structure.
  • the polysiloxane compound is used in form of a dispersion or an emulsion.
  • the polysiloxane has organo functional groups.
  • organo functional groups can be hydrocarbon groups with 1 to 20 carbon atoms.
  • these organo functional groups are selected from the groups consisting of C 1 -C 20 alkyl groups, C 1 -C 20 alkenyl groups, C 1 -C 20 alkoxy groups, C 4 -C 20 aryl or aralkyl groups.
  • the hydrocarbon groups can be substituted.
  • hydrocarbon groups examples include methyl, ethyl, vinyl, propyl, isopropyl, n-butyl, n-pentyl, cyclopentyl, n-hexyl, neohexyl, n-heptyl, norbornyl, 2-ethylhexyl, n-octyl, isooctyl, dodecyl, tetradecyl, hexadecyl and octadecyl groups.
  • the substituents of these groups can be, for example, trifluorpropyl group, cyanoethyl group, glycidyloxypropyl group, polyalkylene glycol propyl group, amino propyl group or aminoethylaminopropyl groups.
  • unsaturated groups like, for example vinyl, methacryloyloxypropyl or allyl groups or aromatic groups such as phenyl, 2-phenyl-ethyl or 2-phenyl-propyl groups.
  • the defoaming composition can further comprise filler particles.
  • the filler particles are selected from the group consisting of silica, titanium dioxide, zirconium dioxide, Al 2 O 3 or mixtures thereof.
  • the defoamer is used in an amount of from 0.01 to 10 wt.-% based on the whole composition.
  • the defoamer is used in an amount of 0.05 to 7, more preferred 0.1 to 5 and most preferred 0.1 to 2 wt.-% based on the whole composition.
  • composition according to the invention comprises preferably less than 0,001wt-% of other polysiloxane oils and polysiloxane resins which do not have a three-dimensional structure and are not membrane-compatible.
  • composition according to the invention comprises most preferred less than 0.001 wt-% of linear polydimethyl siloxanes (silicon oils).
  • cross-linked or partly cross-linked polysiloxanes are used having a three-dimensional structure.
  • polysiloxanes are cross-linked or partly cross-linked which means that they contain groups of chain- or ring-forming molecules which are connected by tri- or tetra-functional siloxane units to a three-dimensional network.
  • cross-linked or partly cross-linked polysiloxane having a three-dimensional structure does not comprise linear polysiloxanes like polydimethylsiloxane, branched polysiloxanes which only have a two-dimensional structure and cyclic polysiloxanes which also only have a two-dimensional structure.
  • cross-linked polysiloxanes having a three-dimensional structure according to the invention are preferably fluids and therefore are delimited from silicone resins which are heavily cross-linked polymer networks and are solid at room temperature.
  • the cross-linked or partly cross-linked polysiloxanes having a three-dimensional structure which are used in the defoamer are fluids at room temperature (20°C).
  • the paste-like cleaning or detergent composition according to the invention comprises further components which are described in the following.
  • R 1 may be linear or branched, for example with a methyl residue in 2-position, wherein linear residues are preferred, like they generally occur in fatty acids.
  • residue R 1 contains one or more double bonds.
  • R 1 in formula (I) has 8 to 22 carbon atoms, more preferred 12 to 20 and most preferred 15 to 19 carbon atoms.
  • Such compounds may be exemplified by alkali metal salts of octanoic acid, pelargonic acid, decanoic acid, lauric acid, lauroleic acid, myristic acid, myristoleic acid, palmitic acid, palmitoleic acid, stearic acid, petroselinic acid, petroselaidic acid, oleic acid, linoleic acid, linolaidic acid, linolenis acid, eleostearic acid, arachic acid, gadoleic acid, arachidonic acid, behenic acid, erucic acid, brassidic acid, clupanodonic acid and mixtures thereof.
  • Sodium and potassium as well as mixtures thereof represent preferred alkali metals.
  • the inventive compositions it is as well possible to use the free carboxylic acids and convert them into to the corresponding alkali metal salt by addition of alkalinity sources or other alkalinic salts, especially alkali hydroxides or alkali carbonates, which are present anyway.
  • the composition contains the compound of formula (I) in an amount of from 5 to 25 wt.-%, preferably 8 to 20 wt.-%, based on the whole composition.
  • the fatty alcohol alkoxylate and/or an oxo alcohol alkoxylate contains 8 to 22 carbon atoms and an average degree of alkoxylation of at least 5, preferably at least 7.
  • the alkoxylate corresponds to the general formula R-(EO) x -(PO) y in which R denotes the fatty alcohol and/or oxo alcohol moiety with 8 to 22 carbon atoms, EO represents ethyleneoxide residues and PO represents propyleneoxide residues and x and y denote integers, wherein the sum of x and y is at least 5 and one of x or y may be 0.
  • the fatty alcohols appropriate in the present invention can be exemplified by the alcohols obtained from the fatty acids as mentioned above.
  • Oxo alcohols generally represent a mixture of the linear alcohol and the alcohol which is branched with methyl in 2-position.
  • the alcohol has 12 to 15, more preferred 13 to 14 carbon atoms.
  • Technical mixtures may additionally contain proportions with 11 to 15 carbon atoms.
  • x is at least 7.
  • x is from 4 to 8 and y is from 2 to 8, especially from 3 to 4.
  • the fatty alcohol alkoxylate and/or oxo alcohol alkoxylate may be present in an amount of from 0,5 to 15 wt.-%, preferably of from 1,5 to 8 wt.-%, based on the whole composition.
  • the composition according to the invention optionally contains an anionic surfactant in an amount of from 0 to 15 wt.-%, preferably of from 1,5 to 8 wt.-%, which may be selected from the compounds comprising C 8 -C 18 -alkyl sulfates, C 8 -C 18 -alkyl ether sulfates, C 8 -C 18 -alkylsulfonates, C 8 -C 18 - ⁇ -olefinsulfonates, sulfonated C 8 -C 18 -fatty acids, C 8 -C 18 -alkylbenzenesulfonates, sulfosuccinic mono- and di-C 1 -C 12 -alkyl esters, C 8
  • the composition optionally contains at least one alkyl polyglucoside having from 8 to 14 carbon atoms in the alkyl group and from 1 to 5 glucose moieties.
  • the amount of the alkyl polyglucosid should in the range of from 1 to 6 wt.-%, preferably from 1 to 3 wt.-%
  • the alcohols or ethers corresponding to the general formula (II), respectively, contribute to the low-temperature resistance of the inventive composition and additionally may improve its washing performance.
  • R 1 as mentioned above applies for R 2 as well.
  • R 3 preferably denotes hydrogen or a methyl, ethyl, propyl or butyl group, wherein hydrogen or the methyl group are most preferred.
  • the composition contains the compound of formula (II) in an amount of from 1 to 20 wt.-%, preferably of from 3 to 15 wt.-%.
  • the polyols represented by the general formula (III) are exemplified by ethylene glycol, 1,2-propylene glycol, 1,3-propylene glycol, glycerine, 1,4-butylene glycol and mixtures thereof, wherein 1,2-propylene glycol is most preferred.
  • the inventive composition contains water and/or the compound of formula (III) in an amount of from 5 to 70 wt.-%, preferably from 20 to 45 wt.-%, wherein the water content preferably ranges from 15 to 50 wt.-%, more preferred from 25 to 38 wt.-%, and the content of the compound of formula (III) preferably ranges from 3 to 20 wt.-%, more preferred from 5, to 15 wt.-%, based on the whole composition.
  • water as well as polyol corresponding to formula (III) are present their weight ratio preferably is in the range of from 1:1 to 7:1, and particularly in the range of from 2:1 to 4,5:1.
  • the weight ratio of alcohol or ether of the general formula (II), respectively, to polyol lies in the range of from 1:1 to 1:15, preferably 1:1,5 to 1:10.
  • the solid phase of the inventive composition is formed from the alkalinity source and organic and/or anorganic builders.
  • additional particulate auxiliaries may be incorporated.
  • the solid phase should be dispersed in the liquid phase as homogeneous as possible. If the particulates are not fine enough to appropriately form a paste they may be grinded one or more times by conventional methods as known in the art.
  • the inventive composition preferably contains one or more alkalinity sources in a total amount of from 10 to 30 wt,-%, preferably of from 15 to 25 wt.-%, based on the whole concentrate. Generally they belong to the solid phase of the paste. Under using conditions the alkalinity source(s) provide(s) a washing liquor with a pH value in the range of from 8 to 13, preferably of from 10 to 12 (measured in form of a solution of 1 wt.-% of the composition in ion exchanged water).
  • Alkalihydroxide especially sodium hydroxide which advantageously may be used in form of a 50 wt.-% aqueous solution, represents a preferred alkalinity source.
  • alkali carbonate and alkali hydrogen carbonate like for example sodium carbonate, represent appropriate alkalinity sources.
  • the one or more anorganic builders on a non-silicate basis and/or organic builders may be present in the composition in an amount of from 8 to 45 wt.-%, preferably 12 to 30 wt.-%, based on the whole composition.
  • the most appropriate anorganic builder which is on a non-silicate basis is represented by sodium carbonate which as well functions as alkalinity source.
  • Sodium hydrogencarbonate or borate compounds, especially alkali borates, more preferred borax, may as well be used.
  • Organic builders may be exemplified by monomer polycarboxylic acids or hydroxycarboxylic acids like citric acid or gluconic acid as well as amino polycarboxylic acids and poly phosphonic acids.
  • Examples for amino carboxylic acids are nitrilotriacetic acid, ethylene diamine tetraacetic acid, diethylene triamine pentaacetic acid and higher homologues thereof, wherein N,N-bis(carboxymethyl) aspartic acid is preferred.
  • Suitable polyphsophonic acids may be represented by 1-hydroxyethane-1,1-diphosphonic acd, aminotri(methylene phosphonic acid), ethylene diamine tetra(methylenephosphonic acid) and higher homologues thereof, like for example diethylene tetraamine tetra(methylene phosphonic acid).
  • the above mentioned acids are generally applied in form of their alkali metal salts, especially their sodium or potassium salts.
  • homopolymer and/or copolymer carboxylic acids or alkali salts thereof, respectively, and particularly their sodium or potassium salts also represent suitable organic builders.
  • polymer carboxylates or polymer carboxylic acids, respectively, having a relative molecular weight of at least 350, in form of their water-soluble salts, especially in form of their sodium or potassium salts are applied, like oxidized polysaccharides according to International patent application WO 93/08251 , polyacrylates, polymethacrylates, polymaleates and, in particular, copolymers of acrylic acid with maleic acid or maleic anhydride, preferably those containing 50 to 70% acrylic acid and 50 to 10% maleic acid which are characterized, for example, in European patent EP 022 551 .
  • the relative molecular weight of the homopolymers is generally between 1,000 and 100,000 while the relative molecular weight of the copolymers is between 2,000 and 200,000, and preferably between 50,000 and 120,000, based on free acid.
  • a particularly preferred acrylic acid/maleic acid copolymer has a relative molecular weight of from 50,000 to 100,000, more preferred 60,000 to 80,000.
  • Suitable but less preferred compounds of this class are copolymers of acrylic acid or methacrylic acid with vinyl ethers, such as vinyl methyl ethers, vinyl esters, ethylene, propylene and styrene, in which the acid makes up at least 50% by weight.
  • vinyl ethers such as vinyl methyl ethers, vinyl esters, ethylene, propylene and styrene
  • Other suitable water-soluble organic builders in form of polymer carboxylates or carboxylic acids are terpolymers which contain two unsaturated acids and/or salts thereof as monomers and vinyl alcohol and/or a vinyl alcohol derivative or a carbohydrate as the third monomer.
  • the first acidic monomer or its salt is derived from a monoethylenically unsaturated C 3-8 carboxylic acid and preferably from a C 3-4 monocarboxylic acid, more especially (meth)acrylic acid.
  • the second acidic monomer or its salt may be a derivative of C 4-8 dicarboxylic acid, maleic acid being particularly preferred.
  • the third monomer unit in this case will be formed from a vinyl alcohol and/or preferably an esterified vinyl alcohol. Especially preferred are vinyl alcohol derivatives which form an ester of short chain carboxylic acids, like C 1 -C 4 carboxylic acids, with vinyl alcohol.
  • Preferred terpolymers contain 60 to 95 wt-%, particularly 70 to 90 wt.-% (meth)acrylic acid or (meth)acrylate; respectively, more particular acrylic acid or acrylate, respectively, and maleic acid or maleinate and 5 to 40 wt.-%, preferably 10 to 30 wt.-% vinyl alcohol and/or vinyl acetate.
  • terpolymers with a weight ration of (meth)acrylic acid and maleic acid or maleinate of between 1:1 and 4:1, preferably between 2:1 and 3:1 and especially 2:1 and 2,5:1, with the amounts as well as the weight ratios being based on the acid.
  • the second monomer or its salt may also be a derivative of an allyl sulfonic acid substituted in the 2-position by an alkyl group, preferably a C 1 -C 4 alkyl group, or an aryl group which is preferably derived from benzene or a benzene derivative.
  • Preferred terpolymers contain 40 to 60 wt.-%, in particular 45 to 55 wt.-% (meth)acrylic acid or (meth)acrylate, more preferred acrylic acid or acrylate, 10 to 30 wt.-%, particularly 15 to 25 wt.-% methallyl sulfonic acid or methallyl sulfonate and as third monomer 15 to 40 wt.-%, preferably 20 to 40 wt.-% of a carbohydrate.
  • Said carbohydrate for example, may be a mono, di, oligo or polysaccharide, with mono, di or oligosaccharide being preferred. Saccharose is most preferred.
  • polymeric polycarboxylates may be produced by the method described in German patent DE 42 21 381 and German patent application DE 43 00 772 .
  • the polyacetal carboxylic acids described, for example, in U.S. Pat. Nos. 4,144,226 and 4,146,495 , which are obtained by polymerization of esters of glycolic acid, introduction of stable terminal groups and saponification to the sodium or potassium salts are also suitable, as are polymeric acids obtained by polymerziation of acrolein and Cannizzaro disproportionation of the polymer with strong alkalis. They are essentially made of acrylic acid units and vinyl alcohol units or acrolein units.
  • composition of the present invention comprises less than 1 wt-% of graying inhibitors on a cellulose base, silicates and phosphates.
  • Graying inhibitors on a cellulose base which are not contained in the inventive composition can be exemplified by cellulose ethers, like carboxymethyl cellulose, methyl cellulose, hydroxyalkyl cellulose, and cellulose containing different ethers, like methyl hydroxyethyl cellulose, methyl hydroxypropyl cellulose and methyl carboxymethyl cellulose.
  • the present composition may comprise further auxiliaries and additives which are commonly known to be used in detergent and cleaning compositions, like enzymes, soil-release components, optical brighteners, foam regulating agents, dye inhibitors or intensifiers and/or perfumes.
  • auxiliaries and additives which are commonly known to be used in detergent and cleaning compositions, like enzymes, soil-release components, optical brighteners, foam regulating agents, dye inhibitors or intensifiers and/or perfumes.
  • the composition is prepared by first preparing a homogeneous pre-mixture containing the surfactant component a) and the solutizer system comprising the alcohols or ethers according to general formula (II) and water and/or polyols of the general formula (III) and then incorporating the solids and further additives therein. If it seems necessary to improve the fineness of the particulates to form stable pastes one or more grinding steps may be applied.
  • the inventive composition preferably exhibits at 25°C a viscosity of from 100,000 mPas to 500,000 mPas, more preferred 300,000 to 500,000 mPas at 5 revolutions per minute and a viscosity of from 15 000 mPas to 80 000 mPas, more preferred 30,000 to 60,000 mPas at 50 revolutions per minute, each measured using a Brookfield rotational viscometer (spindle no. 7) under otherwise identical conditions.
  • the concentrate exhibits such a structural viscosity that it does not flow under the influence of gravity.
  • the viscosity tremendously decreases which enables the concentrate to flow under the influence of gravity.
  • the dosing of such a thixotropic composition is then preferably performed by shearing the concentrate to reduce viscosity at first and afterwards dosing and transmitting the free-flow concentrate using for example a feed pump.
  • the above mentioned viscosity values refer to reading after a detection time of 3 minutes to take the time dependency of the thixotropic effect into account.
  • the decrease of viscosity on shear is to a great extent reversible, i. e. after having stopped the shear the concentrate will return to its original physical condition without separation.
  • the present invention also refers to a method for washing textiles using the above mentioned composition, especially in commercial laundries.
  • compositions may as well be used in private washing machines, as a cleaning agent in general and/or as a warewashing agent, although the application in commercial laundries is especially advantageous.
  • the inventive composition is membrane friendly, which means that it neither causes blocking of the membrane or other damages when it is contained in the waste water which is accumulated during the whole washing process or parts thereof and which is supposed to be purified using membrane filtration units. It is even possible that the filtration process comprises one or more reverse osmosis steps. This means, the permeation of the waste water to be purified generally remains stable.
  • the membranes can be used in several use cycles because they can be cleaned after one use cycle. After cleaning they still show a stream of permeate which is similar to that of a new membrane. This means that the composition according to the invention does not block the membrane and no components of the composition adhere to the membrane.
  • the membranes which are used with the composition according to the invention can be sufficiently cleaned and re-used in another washing cycle.
  • the use of the membranes has the advantage that the purified water which is obtained from the waste water may be re-used in another washing cycle. This results in a decrease of the amount of fresh water required to be added to the washing cycle and accordingly in a reduction of costs and in saving resources.
  • composition according to the invention shows a better foam behavior than membrane-compatible compositions according to the state of the art. If the composition according to the invention is used in the washing process, less forming occurs so that a continuous process without any interruptions is achieved.
  • examples 1 to 5 are examples according to the invention with a defoamer comprising cross-linked or partly cross-linked polysiloxane having a three-dimensional structure.
  • table 1 contains two comparative examples, namely comparative example 1 which is without any polysiloxane defoamer and comparative example 2 containing a silicone oil as defoamer.
  • Table 1 all ingredient in wt-% Ex 1 Ex 2 Ex 3 Ex 4 Ex 5 C1 C2 2-butyloctane-1-ol 5,00 5,00 5,00 5,00 5,00 5,00 5,00 5,00 5,00 isotridecanol ethoxylate (8 EO) 2,00 2,00 3,00 5,00 2,00 5,00 4,00 sodium alkyl benzene sulfonate 2,00 2,00 2,00 2,00 2,00 2,00 2,00 6,00 oleic acid 13,00 13,00 13,00 13,00 13,00 10,00 13,00 6,00 propylene glycol 8,50 8,50 8,50 8,50 8,50 8,50 distyryl biphenyl derivative 0,125 0,125 0,125 0,125 0,125 0,125 1-hydroxy ethylidene(1,1-diphosphonic acid)-Na 2 -salt 1,90 1,90 2,00
  • compositions according to the invention are compared with compositions according to the test of the art containing no de-foamer and containing silicone oil as defoamer.
  • Table 2 shows the result of the foam test.
  • C comparative example
  • Ex example
  • composition according to the invention in example 2 shows a good foaming behavior compared to the composition in comparative example 1 without an anti-foaming agent. Furthermore, the foaming characteristic of example 2 is similar to that of comparative example 2.
  • composition according to the comparative example blocks the membrane which is shown in figures 1 and 2 .
  • Figure 1 describes a comparison between the composition according to the invention containing three-dimensional polysiloxanes compared with a composition according to the state of the art using a usual silicone oil defoamer. It can be seen from figure 1 that the stream of the permeate through the reversed osmosis membrane is for the composition according to the invention between 100 and 110 % wherein the stream of the permeate with a composition according to the state of the art decreases from 100 % to 75 %.
  • the comparative examples were carried out by measuring the permeate stream every twenty minutes. In order to simulate the long use cycle of the reversed osmosis membrane, which is about 3.000 machine hours, additional composition was added every twenty minutes. At the beginning, the concentration of the composition was 0.05 wt.-% and at the end 0.6 wt.-%. By this proceeding, the stress on the membrane is simulated, which occurs during the long use period before cleaning of the membrane.
  • the compound according to the invention is fully membrane-compatible and does not block the membrane compared to the composition according to the state of the art which blocks the membrane. If the membrane is blocked, it means that the membrane has to be cleaned during which the washing process is interrupted.
  • Figure 2 shows the stream of permeate for a reverse osmosis membrane which was used with a composition according to the invention and a composition according to the state of the art for 3.000 hours. After that, the membrane was cleaned and again the stream of permeate was measured.
  • Figure 2 shows the results of the measurement after cleaning of the membrane. It can be seen that the composition according to the invention shows after cleaning only a stream of permeate of 60 % while the membrane which was used before with the composition according to the invention shows a stream of permeate of more than 90 %. This means that the membranes which are used with a composition according to the invention can be successfully cleaned up to a stream of permeate of more than 90 % of the original stream which can be achieved for a new membrane (100 %).

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  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
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Claims (15)

  1. Composition de nettoyage ou détergente sous forme de pâte ayant à 25°C une viscosité de 100 000 mPas à 500 000 mPas à 5 tours par minute en utilisant un mandrin 7 comprenant
    a) un composant tensioactif comprenant un composé de formule générale R1-COOM (I), dans laquelle R1 représente un résidu alkyle ou alcényle linéaire ou ramifié comportant 8 à 22 atomes de carbone et M représente un ion de métal alcalin ; un alcoxylat d'alcool gras et/ou un alcoxylat d'oxo alcool comprenant 8 à 22 atomes de carbone et un degré moyen d'alcoxylation d'au moins 5 ; et facultativement un tensioactif anionique ;
    b) un composé de formule générale R2-O-R3 (II), dans laquelle R2 représente un résidu alkyle ou alcényle linéaire ou ramifié comportant 8 à 22 atomes de carbone et R3 représente un atome d'hydrogène ou un résidu alkyle linéaire ou ramifié avec 1 à 8 atomes de carbone ;
    c) de l'eau et/ou un composé de formule générale X-CH2-(CHY)n-CH2-Z (III), dans laquelle n est un nombre entier de 0 à 2 et X, Y et Z symbolisent indépendamment un atome d'hydrogène ou un groupe hydroxyle à la condition qu'au moins deux groupes hydroxyle soient présents ;
    d) une ou plusieurs sources d'alcalinité, et
    e) un ou plusieurs adjuvants organiques et/ou inorganiques sur une base non-silicate ;
    f) un antimoussant comprenant du poly(siloxane) réticulé ou partiellement réticulé ayant une structure tridimensionnelle.
  2. Composition selon la revendication 1, caractérisée en ce que l'antimoussant est utilisé sous la forme d'une émulsion.
  3. Composition selon la revendication 1 ou 2, caractérisée en ce qu'elle contient un poly(siloxane) ayant des groupes organofonctionnels.
  4. Composition selon la revendication 3, caractérisée en ce que les groupes organofonctionnels sont des groupes hydrocarbure comprenant 1 à 20 atomes de carbone.
  5. Composition selon la revendication 4, caractérisée en ce que le groupe hydrocarbure est choisi parmi les groupes consistant en un groupe alkyle en C1 à C20, un groupe alcényle en C1 à C20, un groupe alcoxy en C1 à C20, un groupe aryle en C4 à C20 ou un groupe aralkyle.
  6. Composition selon l'une quelconque des revendications 1 à 5, caractérisée en ce que l'antimoussant comprend une particule de charge.
  7. Composition selon la revendication 6, caractérisée en ce que la particule de charge est choisie parmi le groupe consistant en la silice, le dioxyde de titane, le dioxyde de zirconium, l'Al2O3 ou leurs mélanges.
  8. Composition selon l'une quelconque des revendications 1 à 7, caractérisée en ce que la composition contient moins de 0,001 % en poids sur la base de la composition entière d'autres huiles poly(siloxane) et résines poly(siloxane) qui n'ont pas une structure tridimensionnelle et ne sont pas compatibles avec une membrane.
  9. Composition selon la revendication 8, caractérisée en ce que la composition contient moins de 0,001 % en poids d'un poly(diméthylsiloxane) linéaire sur la base de la composition entière.
  10. Composition selon les revendications 1 à 9, caractérisée en ce que l'alcoxylat dans l'alcoxylat d'alcool gras et/ou un alcoxylat d'oxo alcool est représenté par l'éthoxylat et/ou le propoxylat.
  11. Composition selon les revendications 1 à 10, caractérisée en ce que le tensioactif anionique est choisi parmi les composés comprenant les sulfates d'alkyle en C8 à C18, les sulfates d'alkyle éther en C8 à C18, les alkylsulfonates en C8 à C18, les sulfonates d'α-oléfine en C8 à C18, les acides gras en C8 à C18 sulfonés, les alkylbenzènesulfonates en C8 à C18, les esters de mono- et di-alkyle en C1 à C12 sulfosucciniques, les carboxylates d'alkyl (en C8 à C18) polyglycol éther, les N-acyl taurides en C8 à C18, les N-sarcosinates en C8 à C18, les iséthionates d'alkyle en C8 à C18 et leurs mélanges.
  12. Procédé de lavage de textiles utilisant la composition selon les revendications 1 à 11.
  13. Procédé selon la revendication 12, caractérisé en ce que l'eau usée accumulée pendant la totalité ou des parties du processus de lavage est purifiée en utilisant une ou plusieurs unités de filtration sur membrane.
  14. Procédé selon les revendications 12 ou 13, caractérisé en ce que le processus de filtration comprend une ou plusieurs étapes d'osmose inverse.
  15. Utilisation de la composition selon les revendications 1 à 11 comme détergent dans une blanchisserie commerciale et/ou des machines à laver individuelles, comme agent nettoyant et/ou comme agent de lavage d'articles.
EP07726819A 2007-03-12 2007-03-12 Composition de savon en pâte à compatibilité membranaire avec des propriétés de démoussage améliorées Active EP2118253B1 (fr)

Applications Claiming Priority (1)

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PCT/EP2007/052313 WO2008110205A1 (fr) 2007-03-12 2007-03-12 Composition de savon en pâte à compatibilité membranaire avec des propriétés de démoussage améliorées

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DE102012201502A1 (de) * 2012-02-02 2013-08-08 Henkel Ag & Co. Kgaa Wasserarmes, flüssiges Waschmittel mit erhöhter Fettlösekraft
DE102014202676A1 (de) 2014-02-13 2015-08-13 Oemeta Chemische Werke Gmbh Verfahren und Trennmittel zur Verhinderung des Anhaftens von Schweißspritzern beim Zusammenfügen von Teilen
AU2017386271B2 (en) * 2016-12-29 2020-02-06 Colgate-Palmolive Company Home care compositions
WO2023014663A1 (fr) 2021-08-02 2023-02-09 Ecolab Usa Inc. Composition de renforcement pour le nettoyage d'un équipement de fermentation et procédés d'utilisation

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US4144226A (en) 1977-08-22 1979-03-13 Monsanto Company Polymeric acetal carboxylates
US4146495A (en) 1977-08-22 1979-03-27 Monsanto Company Detergent compositions comprising polyacetal carboxylates
DE4221381C1 (de) 1992-07-02 1994-02-10 Stockhausen Chem Fab Gmbh Pfropf-Copolymerisate von ungesättigten Monomeren und Zuckern, Verfahren zu ihrer Herstellung und ihre Verwendung
DE4300772C2 (de) 1993-01-14 1997-03-27 Stockhausen Chem Fab Gmbh Wasserlösliche, biologisch abbaubare Copolymere auf Basis von ungesättigten Mono- und Dicarbonsäuren, Verfahren zu ihrer Herstellung und ihre Verwendung
NO308363B1 (no) * 1993-12-28 2000-09-04 Dow Corning Anvendelse av en blanding som et skumregulerende middel
DE19535082A1 (de) * 1995-09-21 1997-03-27 Henkel Ecolab Gmbh & Co Ohg Pastenförmiges Wasch- und Reinigungsmittel
DE19703364A1 (de) * 1997-01-30 1998-08-06 Henkel Ecolab Gmbh & Co Ohg Pastenförmiges Wasch- und Reinigungsmittel
WO2004041990A1 (fr) * 2002-11-06 2004-05-21 Unilever N.V. Composition de détergent à lessive en gel
DE10337698A1 (de) * 2003-08-16 2005-03-10 Henkel Kgaa Entschäumer-haltiger Scheibenreiniger für Fahrzeugscheiben
EP1749081B8 (fr) * 2004-05-28 2019-10-16 Ecolab USA Inc. Composition savonneuse en pate compatible avec une membrane

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