EP3786272A1 - Einheitsdosenflüssigwaschmittelzusammensetzung - Google Patents

Einheitsdosenflüssigwaschmittelzusammensetzung Download PDF

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Publication number
EP3786272A1
EP3786272A1 EP19382746.6A EP19382746A EP3786272A1 EP 3786272 A1 EP3786272 A1 EP 3786272A1 EP 19382746 A EP19382746 A EP 19382746A EP 3786272 A1 EP3786272 A1 EP 3786272A1
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EP
European Patent Office
Prior art keywords
weight
unit dose
composition
comprised
combination
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.)
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Application number
EP19382746.6A
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English (en)
French (fr)
Inventor
Patricia Castarnado Calvo
Iván Perea Jiménez
Núria Medina Castillo
Esther DELGADO RODRÍGUEZ
Miquel OSSET HERNÁNDEZ
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Bluesun Consumer Brands SL
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Bluesun Consumer Brands SL
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Publication date
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Priority to EP19382746.6A priority Critical patent/EP3786272A1/de
Publication of EP3786272A1 publication Critical patent/EP3786272A1/de
Withdrawn legal-status Critical Current

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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
    • 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
    • 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
    • C11D10/042—Compositions of detergents, not provided for by one single preceding group based on mixtures of surface-active non-soap compounds and soap based on anionic 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
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/14—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aliphatic hydrocarbons or mono-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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/22—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aromatic compounds
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/29—Sulfates of polyoxyalkylene ethers
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/667—Neutral esters, e.g. sorbitan esters
    • 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
    • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/10—Objects to be cleaned
    • C11D2111/12—Soft surfaces, e.g. textile

Definitions

  • the present invention belongs to the field of liquid laundry detergents, in particular, to a liquid detergent composition in a water-soluble multichamber unit dose.
  • Laundry detergent compositions are used to clean fabrics in the wash. Solid compositions are progressively substituted by liquid formulations, which are gaining increasing acceptance among consumers.
  • WO-A-2018/125551 it is disclosed a water-soluble unit dose article comprising a water-soluble film and a laundry detergent composition, which comprises a combination of specific amounts of: an ethoxylated polyethyleneimine, a fatty acid or a neutralised fatty acid soap, and a non-soap surfactant.
  • WO-A-2018/125554 it is disclosed a water-soluble unit dose article comprising a water-soluble film and a laundry detergent composition, which comprises specific amounts of: a zwitterionic polyamine, a non-soap surfactant, and a fatty acid or a neutralised fatty acid soap.
  • WO-A-2018/204559 it is disclosed a laundry detergent composition
  • a detersive surfactant wherein the detersive surfactant comprises a combination of anionic and non-ionic surfactant; and a solvent selected from the group consisting of C 4 -C 10 alkyl branched alcohols, and mixtures thereof.
  • a cleaning composition comprising specific amounts of: a surfactant system, comprising anionic surfactants, cationic surfactants, non-ionic surfactants, amphoteric surfactants, and mixtures thereof, and a non-alkoxylated esteramine, and/or a salt thereof.
  • the cleaning composition may also be packaged as a single- or multicompartment pouch.
  • a water-soluble unit dose article comprising a water-soluble film and a liquid laundry detergent composition, wherein the liquid laundry detergent composition comprises specific amounts of an amphiphilic graft polymer; a polyester terephthalate, carboxymethylcellulose or a derivative thereof, and a non-soap anionic surfactant.
  • WO-A-2019/032256 it is disclosed a water-soluble unit dose article comprising a water-soluble film and a liquid laundry detergent composition, wherein the liquid laundry detergent composition comprises specific amounts of: an amphiphilic graft polymer; carboxymethylcellulose or a derivative thereof, and a non-soap anionic surfactant.
  • a water-soluble unit dose article comprising a water-soluble film and a liquid laundry detergent composition, wherein the liquid laundry detergent composition comprises specific amounts of: an amphiphilic graft polymer, a polyester terephthalate, and a non-soap anionic surfactant.
  • WO-A-2019/032258 it is disclosed a water-soluble unit dose article comprising a water-soluble film and a liquid laundry detergent composition, wherein the liquid laundry detergent composition comprises specific amounts of: a polyester terephthalate, a carboxymethylcellulose or a derivative thereof, and a non-soap anionic surfactant.
  • WO-A-2018/048669 it is disclosed a water-soluble unit dose article comprising liquid laundry detergent composition comprising specific amounts of: an amine neutralised C 12-14 linear alkylbenzene sulphonate, a cationically modified polysaccharide, and a cellulosic polymer.
  • the object of the present invention is a unit dose of a liquid laundry detergent composition.
  • Another aspect of the invention is the use of said unit dose in laundry washing.
  • FIGS 1 to 8 disclose different views of specific embodiments of the unit dose according to the present invention.
  • the object of the present invention is a unit dose of a liquid laundry detergent composition in a water-soluble pouch comprising a water-soluble film and a composition comprising:
  • a unit dose comprising a water-soluble film and a liquid laundry detergent composition comprising a specific combination of non-ionic surfactants and co-solvents, optionally comprising also a biosurfactant selected from the group of sophorolipids and (D-pentose and D-glucose) oligomeric C 8-12 -alkylglycosides, and optionally comprising at least one enzyme selected from a specific group, which, surprisingly, shows high performance on overall detergency, and remains stable on time.
  • concentrations expressed as percentages always refer to the percentage weight/weight (w/w), that is, grams of a certain component per 100 g of composition, and the percentages of the different components of a composition are adjusted so that their sum is 100%.
  • the active matter of a surfactant, a hydrotropic agent, or a detergent composition refers to the residue that remains after removing the water and the possible cosolvents present in the product.
  • the active matter of an enzyme is that indicated by the manufacturer in the corresponding technical sheet.
  • the laundry liquid detergent composition is comprised in a water-soluble multichamber unit dose.
  • the water-soluble unit dose comprises the water-soluble film shaped such that the unit-dose article comprises more than one internal chamber surrounded by the water-soluble film.
  • the unit dose article may comprise a first water-soluble film and a second water-soluble film sealed to one another such to define the internal chamber(s).
  • the water-soluble unit dose is constructed such that the detergent composition does not leak out of the chamber during storage, but upon addition of the water-soluble unit dose to water, the water-soluble film dissolves and releases the contents of the internal chamber(s) into the wash liquor.
  • the unit dose comprises more than two chambers, preferably three or four chambers. In a more preferred embodiment, the unit dose comprises three chambers. In another preferred embodiment, the unit dose comprises four chambers.
  • the chambers may be arranged in superposed orientation, i.e. one positioned on top of the other(s). Alternatively, the chambers may be positioned in a side -by-side orientation, i.e. one orientated next to the other(s).
  • the chambers may even be orientated in a 'tyre and rim' arrangement, i.e. a first chamber is positioned next to a second chamber, but the first chamber at least partially surrounds the second chamber, but does not completely enclose the second chamber. Alternatively, one or more chambers may be completely enclosed within another chambers.
  • Figures 1 to 8 disclose different views of specific embodiments of a water-soluble unit dose, which may comprise the liquid laundry composition of the present invention.
  • the liquid laundry detergent composition according to the present invention is comprised in more than one chamber. It may for example be comprised in two chambers, or even in three or four chambers.
  • each chamber may comprise the same or different compositions.
  • all chambers comprise the same composition, which is the liquid laundry detergent composition of the present invention.
  • chambers may comprise different detergent components to improve performance, stability and/or compatibility of the components.
  • the unit dose of the invention may comprise a chamber comprising the liquid laundry detergent composition of the invention, and at least one or more chambers comprising softening active ingredients, for example, quaternized triethanolamine fatty acid esters, fibre protection polymers, disinfecting actives, bleaching agents, or hard water ions sequestering agents.
  • the weight of the unit dose is usually comprised between 5 g and 50 g, preferably between 10 g and 40 g, more preferably between 15 g and 35 g, yet more preferably between 20 g and 30 g, and yet more preferably about 25 g.
  • the film of the present invention is soluble or dispersible in water.
  • the water-soluble film preferably has a thickness of from 20 to 150 microns, preferably 35 to 125 microns, and yet more preferably 50 to 110 microns.
  • the film has a water solubility of at least 50%, preferably at least 75% or even at least 95%, as measured by the method disclosed in, for example, WO-A-2018/125554 .
  • Film materials are preferably polymeric materials.
  • the film material can, for example, be obtained by casting, blow-moulding, extrusion or blown extrusion of the polymeric material, as known in the art.
  • the water-soluble film is selected from polyvinyl alcohols, milk protein, polyvinyl pyrrolidone, polyalkylene oxides, acrylamide, acrylic acid, cellulose, cellulose ethers, cellulose esters, cellulose amides, polyvinyl acetates, polycarboxylic acids and salts, polyaminoacids, polyamides, polyacrylamide, copolymers of maleic/acrylic acids, polysaccharides, natural gums such as xanthan gum.
  • film material is selected from polyvinyl alcohols, and milk protein.
  • the polymer may have any weight average molecular weight, preferably from about 1000 to 1,000,000, more preferably from about 10,000 to 300,000, and yet more preferably from about 20,000 to 150,000.
  • Preferred films are those supplied by the company Monosol, for example, under the trade name MonoDose® M8310 or MonoDose® M8312, and Lactips, for example, under the trade name CareTips® L0003.
  • the film may be opaque, transparent or translucent.
  • the film may comprise a printed area.
  • the area of print may be achieved using standard techniques, such as flexographic printing or inkjet printing.
  • the film may comprise an aversive agent, for example a bittering agent.
  • Suitable bittering agents include, but are not limited to, naringin, sucrose octaacetate, quinine hydrochloride, denatonium benzoate, or mixtures thereof. Any suitable level of aversive agent may be used in the film. Suitable levels include, but are not limited to, 1 to 5000 ppm, or even 100 to 2500 ppm, or even 250 to 2000 rpm.
  • PVA film M8312 includes already a bittering agent.
  • composition of the invention comprises a combination of non-ionic surfactants consisting of glycereth cocoate and ethoxylated C 12-14 fatty alcohol in a ratio glycereth cocoate:ethoxylated C 12-14 fatty alcohol by weight comprised between 80:20 and 20:80, preferably between 50:50 and 75:25.
  • the ethoxylated fatty alcohol C 12-14 is obtained by a catalysed reaction of ethylene oxide and a fatty alcohol C 12-14 .
  • the addition of ethylene oxide does not produce a single product, but a mixture of homologues containing different ratios of ethylene oxide.
  • the reaction product is described by the average molar ratio of ethylene oxide to alcohol, corresponding to the number of moles added.
  • the number of moles of ethylene oxide is usually comprised between 2 and 12, preferably between 4 and 10, more preferably between 6 and 8, and more preferably is 7.
  • These surfactants are available having 100% active matter. It is supplied by companies such as BASF and Kao, for example.
  • the non-ionic glycereth cocoate is also known as glycerine polyalkoxylated coconut fatty ester. It is produced by alkoxylation with ethylene oxide of a triglyceride having the fatty acid distribution of coconut (C 8-18 ). In a preferred embodiment the content of ethylene oxide is comprised between 3 and 10 moles, more preferably between 4 and 9, and more preferably between 5 and 8, and yet more preferably 7 moles. It is well known that in the ethoxylation process it is obtained a distribution of different species having different amount of attached ethylene oxide. In this description, the number of moles refer to the moles of ethylene oxide added per mol of fatty alcohol. This surfactant is available having 100% active matter. It is supplied by companies such as Kao, for example.
  • the combination of non-ionic surfactants consists of an ethoxylated fatty alcohol C 12-14 , wherein the moles of ethylene oxide are comprised between 2 and 12, preferably between 4 and 10, more preferably between 6 and 8, and more preferably is 7, and a glycerine polyalkoxylated coconut fatty ester having a content of ethylene oxide comprised between 3 and 10 moles, more preferably between 4 and 9, and more preferably between 5 and 8, and yet more preferably 7 moles.
  • the combination of non-ionics consists of fatty alcohol C 12-14 ethoxylated with 7 moles of ethylene oxide and glycerine polyalkoxylated coconut fatty ester ethoxylated with 7 moles of ethylene oxide.
  • the ratio glycereth cocoate:ethoxylated C 12-14 fatty alcohol is comprised between 80:20 and 20:80, preferably between 50:50 and 75:25 by weight, preferably selected from 50:50, 51:49, 52:48, 53:47, 54:46, 55:45, 56:44, 57:43: 58:42, 59:41, 60;40, 61:39, 62:38, 63:37, 64:36, 65:35, 66:34, 67:33, 68:32, 69:31, 70:30, 71:29, 72:28, 73:27, 74:26 and 75:25.
  • the content of the combination on non-ionic surfactants in the composition of the invention is comprised between 10% and 50% by weight, preferably, between 15% and 45% by weight, more preferably between 20% and 40% by weight, yet more preferably between 25% and 35% by weight, and yet more preferably about 30% by weight on the total weight of the composition.
  • composition of the invention comprises a combination of organic solvents selected from the group of monohydric alcohols, polyhydric alcohols, and mixtures thereof.
  • Monohydric alcohols suitable to be used in the composition of the invention are, for example, ethanol, n-propanol, isopropanol, n-butanol, i-butanol, n-pentanol, i-pentanol, n-hexanol, i-hexanol, butyl glycol, 3-methoxy-3-methyl-1-butanol, 2-ethylhexanol.
  • Polyhydric alcohols suitable to be used in the composition of the invention are, for example, glycerine, ethylene glycol, diethylene glycol, propylene glycol, PEG, 1,3-butanediol, 1,4-butanediol, dipropylene glycol.
  • the combination of organic solvents is selected from the group consisting methanol, ethanol, n-propanol, isopropanol, n-butanol, i-butanol, n-pentanol, i-pentanol, n-hexanol, i-hexanol, 3-methoxy-3-methyl-1-butanol, 2-ethylhexanol, 2-ethyl-1,3-hexanediol, butyl diglycol, butyl glycol, glycerine, ethylene glycol, diethylene glycol, propylene glycol, PEG, 1,3-butanediol, 1,4-butanediol, dipropylene glycol, and mixtures thereof.
  • the combination of organic solvents consists of a combination of glycerine and propylene glycol, more preferably in a ratio glycerine:propylene glycol comprised between 80:20 and 20:80, preferably between 50:50 and 75:25 by weight.
  • the ratio glycerine:propylene glycol is comprised between 50:50 and 75:25 by weight, preferably selected from 50:50, 51:49, 52:48, 53:47, 54:46, 55:45, 56:44, 57:43: 58:42, 59:41, 60;40, 61:39, 62:38, 63:37, 64:36, 65:35, 66:34, 67:33, 68:32, 69:31, 70:30, 71:29, 72:28, 73:27, 74:26 and 75:25.
  • the composition may contain a further organic solvent selected from the group comprising a hydrocarbon/ester blend, isopropyl laurate, methyl ester from soybean oil, C 1 -C 4 alkyl esters of lactic acid, D-limonene, and mixtures thereof.
  • a hydrocarbon/ester blend is available as Elevance Clean® 1000 and Elevance Clean® 1200 from the company Elevance.
  • Isopropyl laurate is available, for example, as Estisol® 242 from the company Estichem; methyl ester from soybean oil is available, for example, as Steposol® SB-W from the company Stepan.
  • the content of the combination of organic solvents is comprised between 5% and 40% by weight, preferably between 10% and 38%, more preferably between 15% and 35% by weight, more preferably between 20% and 30% by weight, and yet more preferably comprised between 25% and 28% by weight on the total weight of the composition.
  • composition of the invention comprises an anionic surfactant selected from the group consisting of alkali, ammonium and alkanolamine salts of alkyl ether sulphate, alkyl sulphate and alkylbenzene sulphonate.
  • the alkyl ether sulphates are esters of sulfuric acid with fatty alcohols with a carbon chain of between 10 and 20 carbon atoms, preferably between 12 and 18, more preferably between 12 and 14, comprising between 0.5 and 10 moles of ethylene oxide, preferably between 0.5 and 5, and more preferably between 0.5 and 2.
  • One of the most used is sodium lauryl sulphate (LES) with 2 moles of ethylene oxide, preferably at about 70% active matter, to reduce the amount of water in the composition.
  • LES sodium lauryl sulphate
  • the alkyl sulphates are esters of sulfuric acid with fatty alcohols with a carbon chain of between 10 and 20 carbon atoms, preferably between 12 and 18, more preferably between 12 and 14.
  • One of the most used is sodium lauryl sulphate.
  • the alkylbenzene sulfonates derive from the sulfonation of alkylbenzenes and are generally used in the form of alkali metal or alkanolamine salts.
  • the alkyl group in the alkylbenzene sulfonate preferably contains a carbon chain of between 8 and 16 carbon atoms, preferably between 10 and 15.
  • One of the most used is dodecylbenzene sulfonate (LAS) sodium salt.
  • the composition comprises an alkyl ether sulphate in the form of alkali, ammonium or alkanolamine salts.
  • the composition comprises a sodium lauryl sulphate with 2 moles of ethylene oxide.
  • the content of anionic surfactant in the composition of the invention is usually comprised between 10% and 40% by weight, preferably between 15% and 35% by weight, more preferably between 20% and 30% by weight, and more preferably between 23% and 28% by weight on the total weight of the composition.
  • the composition of the invention comprises at least one soap, which is an alkali, ammonium or alkanolamine salt of a fatty acid with a saturated or unsaturated, hydroxylated or non-hydroxylated hydrocarbon chain having 8 to 18 carbon atoms.
  • the soap is an alkali, ammonium or alkanolamine salt of fatty acid having the carbon chain distribution of coconut oil or palm kernel oil, more preferably coconut oil, more preferably a saturated hydrocarbon chain having 12 to 18 carbon atoms, and yet more preferably a saturated hydrocarbon chain having 12 to 14 carbon atoms.
  • the soap is an alkanolamine salt, and more preferably a monoethanolamine salt of a fatty acid having a C 12-14 saturated hydrocarbon chain.
  • the content of the soap in the composition of the invention is comprised between 5% and 30% by weight, preferably between 7.5% and 25% by weight, more preferably between 10% and 20% by weight, and more preferably between 12 and 18% by weight on the total weight of the composition.
  • the sophorolipid surfactant comprises a sophorolipid according to general formula (I) wherein:
  • the sophorolipid may be incorporated into the composition as either the open chain free acid form, where R 5 is H and R 6 is OH, or in its lactone form, where the lactone ring is formed between R 5 and R 6 as shown by general formula (II): wherein R 1 , R 2 , R 3 and R 4 are as defined above, with the proviso that at least one of R 1 or R 2 is an acetyl group.
  • the biosurfactant consists of a sophorolipid of formula (I) or formula (II).
  • the biosurfactant consists of a mixture of 60 wt.% to 62 wt.% sophorolipid of formula (I) and 38 wt.% to 40 wt.% of sophorolipid of formula (II).
  • Sophorolipids can be produced by yeast cells, for example Torulopsis apicola and Torulopsis bombicola. The fermentation process typically utilises sugars and alkanes as substrates. Appropriate fermentation methods are reviewed in, for example, Gobbert, et al., Sophorose lipid formation by resting cells of Torulopsis bombicola, Biotechnology Letters (1984) 6 (4), 225 . Sophorolipids are commercially available, for example, as Rewoferm® SL (Evonik).
  • the biosurfactant consists of a mixture of (D-pentose and D-glucose), oligomeric, C 8-10 -alkyl glycosides and D-pentose, oligomeric C 10-12 -alkylglycosides.
  • This biosurfactant is produced from fatty alcohols and D-pentose and D-glucose.
  • the content of biosurfactant in the composition of the invention is comprised usually between 1% and 25% by weight, preferably between 2% and 15% by weight, more preferably between 3% and 10% by weight, more preferably between 4% and 7% by weight, and yet more preferably between 5% and 6% by weight on the total weight of the composition.
  • composition of the invention further comprises at least one enzyme selected from the group consisting of protease, ⁇ -amylase, lipase, cellulase, pectinase, oxidase, and mannanase.
  • the composition of the present invention comprises a combination of enzymes consisting of a protease, an ⁇ -amylase, and a lipase. In another preferred embodiment the composition of the present invention comprises a combination of enzymes consisting of a protease, an ⁇ -amylase, and a cellulase. In another preferred embodiment the composition of the present invention comprises a combination of enzymes consisting of a protease, an ⁇ -amylase, a lipase, and a cellulase. In another preferred embodiment, the composition of the present invention comprises a combination of enzymes consisting of a protease, an ⁇ -amylase, a lipase, and a mannanase.
  • the composition of the present invention comprises a combination of enzymes consisting of a protease, an ⁇ -amylase, a cellulase, and a mannanase.
  • the composition of the present invention comprises a combination of enzymes consisting of a protease, an ⁇ -amylase, a lipase, and a pectinase.
  • the composition of the present invention comprises a combination of enzymes consisting of a protease, an ⁇ -amylase, a cellulase, and a pectinase.
  • composition of the present invention comprises a combination of enzymes consisting of a protease, an ⁇ -amylase, a lipase, and an oxidase.
  • composition of the present invention comprises a combination of enzymes consisting of a protease, an ⁇ -amylase, a cellulase, and an oxidase.
  • composition of the present invention comprises a combination of enzymes consisting of a protease, an ⁇ -amylase, a lipase, a cellulase, and a mannanase.
  • the composition comprises a combination of enzymes comprising a protease, an ⁇ -amylase, a mannanase, and a pectinase.
  • the composition comprises a combination of enzymes consisting of a protease, an ⁇ -amylase, a mannanase, and a pectinase
  • a protease in the context of the invention, extends to the combination of two or more proteases, ⁇ -amylases, lipases, cellulases, oxidases, pectinases, or, mannanases, respectively.
  • Proteases or peptidases, constitute a group of enzymes capable of hydrolyzing the peptide bond of proteins. They belong to subclass EC 3.4.
  • the proteases are classified into exopeptidases or endopeptidases, according to their centre of action, so that the exopeptidases hydrolyse the peptide bond of the carboxy or amino terminal end of the polypeptide chain, while the endopeptidases cleave the internal peptide bonds of the polypeptide.
  • Proteases are also classified, according to the functional group present in their active site, into four groups: serine-proteases, cysteine-proteases, aspartic-proteases, and metalloproteases.
  • Proteases can be obtained from plants, animals or microorganisms (bacteria, yeast and fungi).
  • protease of any origin can be employed.
  • mutant forms of the proteases are also included within the field of the present invention.
  • proteases obtained from plants are, for example, papain, bromelain, and ficin.
  • proteases obtained from animals are, for example, protaminase, trypsin, chymotrypsin, pepsin and renin.
  • Proteases can also be obtained from bacteria such as Bacillus licheniformis, Bacillus amyloliquefaciens, Bacillus firmus, Bacillus megaterium, Bacillus pumilis, Streptomyces fradiae, Streptomyces griseus, Streptomyces rectus, Bacillus subtilis, Bacillus cereus, Bacillus metagerium or Pseudomonas aeruginosa, among others; as well as from fungi, such as Aspergillus niger, Aspergillus sojae, Aspergillus oryzae, Aspergillus flavus, Pericularia oryzae, Endothia parasitica, Mucor miehei, or Mucor pusillus.
  • bacteria such as Bacillus licheniformis, Bacillus amyloliquefaciens, Bacillus firmus, Bacillus megaterium, Bacillus pumilis, Streptomyces fradiae, Streptomy
  • a protease selected from those commercially available may be used, such as, for example, those marketed under the names Alcalase®, Savinase®, Primase®, Durazym®, Polarzyme®, Kannase®, Liquanase®, Ovozyme®, Neutrase®, Everlase®, Esperase®, Maxatase®, Maxacal®, Maxapem®, Polarzyme®, Properase®, Purafect®, Purafect® OxP, Properase®, Excellase® or Opticlean®.
  • the protease is a subtilisin.
  • Subtilisins (EC 3.4.21.62) belong to the group of serine proteases and are produced mainly by bacteria of the Bacillus genus, such as Bacillus sp., Bacillus subtilis, Bacillus alcalophilus, Bacillus amyloliquefaciens, Bacillus clausii, Bacillus lentus, Bacillus licheniformis, or Bacillus stearothermophilus, among others.
  • subtilisins for example, subtilisin A or subtilisin Carlberg, subtilisin BPN', subtilisin DY, subtilisin 309, subtilisin Y, subtilisin 168, or subtilisin PB92 may be mentioned.
  • proteases are commercially available like, for example, those marketed under the names Alcalase®, Everlase®, Savinase® or Polarzyme® by the company Novozymes A/S.
  • ⁇ -amylases (EC 3.2.1.1) are enzymes that hydrolyze 1,4- ⁇ -D-glycosidic bonds in polysaccharides that contain three or more glucose units bound by 1,4- ⁇ bonds. ⁇ -amylases hydrolyze starch, as well as glycogen and oligosaccharides. They can be obtained from animals, plants or microorganisms. Any ⁇ -amylase of any origin is suitable for use within the field of the present invention.
  • the ⁇ -amylase is of microbial origin.
  • Amylases can be obtained from bacteria such as, for example, Acinetobacter spp., Bacillus acidocaldarius A-2, Bacillus alcalophilus subsp.
  • Halodurans Bacillus amyloliquefaciens, Bacillus cereus, Bacillus coagulans, Bacillus licheniformis, Bacillus macerans, Bacillus subtilis, Halobacterium halobium, among others; or from fungi such as Aspergillus niger, Aspergillus oryzae, Fusarium oxysporum, Humicola insolens, Humicola lanuginosa, Mucor pusillus or Trichoderma viride; or from yeasts, such as Candida tropicalis var. japonica, Endomycopsis fibuligera, Lipomyces starkeyi, S. castellii, Pichia polymorpha or Sachwanniomyces alluvius.
  • ⁇ -amylases are, for example, Termamyl®, Duramyl®, Nalasase®, Fungamyl®, Liquozyme®, Stainzyme®, Bioamylase®, Kemzym®, or Purastar®.
  • Lipases or triacylglycerol acylhydrolases (EC 3.1.1.3) are enzymes that are part of the family of hydrolases and that act on the ester-type bonds of triglycerides, hydrolyzing them into diglycerides, monoglycerides, fatty acids and glycerine.
  • Lipases can be obtained from animals, plants and microorganisms, mainly bacteria, fungi and yeasts. In the context of the present invention, a lipase from any origin can be employed, a good number of which are commercially available.
  • lipases of animal origin is, for example, the pancreatic lipase which can be obtained from the pig pancreas, and is available from various suppliers, for example, through the company Biocatalysts Ltd under the name Lipomod® 224P-L224P.
  • Lipases of bacterial origin are available, for example, from bacteria of the genera Pseudomonas, Achromobacter, Alcaligenes, Burkholderia, Chromobacterium or Thermus, which are marketed, for example, under the trade names Lumafast®, Lipomax®, Lipase ALC, Lipase ALG, Lipase PLC, Lipase PLG, Lipase QLG, Lipase SL, Lipase CV, Lipase PS "Amano", Lipase AK “Amano” or Lipase TL; of fungal origin as, for example, from fungi of the genera Aspergillus, Penicillum, Mucor, Rhizomucor, Rhizopus, Thermomyces, which are marketed, for example, under the trade names Lipase A "Amano" 6, Lypolyve AN, Lipase G "Amano” 50, Lipomod® 338P-L338P
  • Cellulase is any of several enzymes produced chiefly by fungi, bacteria, and protozoans that break down the cellulose molecule into monosaccharides, such as ⁇ -glucose, or shorter polysaccharides and oligosaccharides.
  • cellulases which differ structurally and mechanistically. Synonyms, derivatives, and specific enzymes associated with the name "cellulase” include, for example, endo-1,4- ⁇ -D-glucanase ( ⁇ -1,4-glucanase, ⁇ -1,4-endoglucan hydrolase, endoglucanase D, 1,4-(1,3,1,4)- ⁇ -D-glucan-4-glucanohydrolase), glycosyl hydrolase, alkali cellulase
  • the cellulase has preferably endo-1,4- ⁇ -D-glucanase (EC 3.2.1.4) or glycosyl hydrolase activity (EC 3.2.1).
  • Cellulases showing different activity may be obtained commercially, for example, from the company Novozymes as Carezyme® 1000L or Celluclast® 1.5L.
  • the oxidase refers to an enzyme that catalyses an oxidation-reduction reaction It includes, for example, glucose oxidase, monoamine oxidase, cytochrome P450 oxidase, NADPH oxidase, xanthine oxidase, and laccase. Oxidase is available through, for example, the company Novozymes.
  • the pectinase refers to an enzyme that breaks down pectin, a polysaccharide found in plant cell walls. It is commonly referred to as pectic enzymes, and includes pectolyase, pectozyme, and polygalacturonase. Pectinase is available through, for example, the company Novozymes.
  • the mannanase refers to mannohydrolase, which includes mannanhydroxylase, i.e., endomannanase, as well as mannoside mannohydrolase, i.e., exo-mannanase.
  • the term also includes mannohydrolases including all possible specificities, such as ⁇ , ⁇ , 1,2, 1,3, 1,4, 1,6, L, D.
  • mannanases that cleave any polysaccharide containing mannose in a bond involving at least one mannose sugar residue (a-mannosidase: E.C. 3.2.1.24; ⁇ -mannosidase: E.C. 3.2.1.25, etc.) are suitable for the purposes of the present invention.
  • Mannanase is available through, for example, the companies DuPont and Novozymes.
  • the enzyme combination comprises a mannanase
  • it is preferably a 1,4- ⁇ -mannosidase that randomly hydrolyzes (1,4) bonds in mannans, galactomannans and glucomannans, such as, for example, Mannaway® from Novozymes company.
  • the content of enzymatic active matter can be expressed as activity units, according to the information usually contained in the technical sheets corresponding to the enzymatic products.
  • KNPU Kilo Novo Protease Units
  • the enzymatic activity ⁇ -amylases can be measured using the KNU unit ( Kilo Novo alpha-Amylase Units ), defined as the amount of enzyme which hydrolyzes 5.26 g of starch per hour, according to certain conditions, as indicated, for example, in the US patent application US-A-2012/0122754 .
  • KNU unit Kilo Novo alpha-Amylase Units
  • the enzymatic activity of cellulases can be measured in terms of filter paper units (FPU) per millilitre of original undiluted enzyme solution, as disclosed, for example, in Adney et al., Measurement of cellulase activities, National Renewable Energy Laboratory, 1996 .
  • FPU filter paper units
  • oxidase for example glucose oxidase
  • oxidase substrate as disclosed by the supplier (Sigma-Aldrich)
  • pectinase The enzymatic activity of pectinase can be measured in terms of polygalacturonase units per millilitre (PGU/ml).
  • the enzymatic activity of mannanases can be measured as mannanase MIUM units, defined according to an assay in which the amount of reducing sugars released from an appropriate substrate is determined, as described, for example, in the article Rötö et al, Enzymatic hydrolysis of isolated and fibre-bound galactoglucomannans from pine-wood and pine kraft pulp, Appl. Microbiol. Biotechnol., 1993, 40, 449-454 .
  • the detergent composition of the invention comprises stabilizing agents such as, for example, glycerine, polyethylene glycol or propylene glycol, to improve the stability of the enzymes therein.
  • the content of each of the enzymes in the detergent composition of the invention does not usually exceed 2% by weight of enzymatic active matter on the total weight of the composition, being generally comprised between 0.0001% and 1.5% by weight, more preferably comprised between 0.001% and 1.0% by weight, yet more preferably comprised between 0.01% and 0.7% by weight, and yet more preferably comprised between 0.05% and 0.5% by weight on the total weight of the composition.
  • the composition generally contains a pH regulating agent, for example, of basic nature, such as alkaline hydroxides; ammonia; mono-, di- or tri-alkylamines; mono-, di-, or tri-alkanolamines; or of acid nature, such as mineral acids as, for example, hydrochloric acid or sulfuric acid, or carboxylic acids such as, for example, acetic acid, lactic acid, tartaric acid, or citric acid; or mixtures thereof.
  • a pH regulating agent for example, of basic nature, such as alkaline hydroxides; ammonia; mono-, di- or tri-alkylamines; mono-, di-, or tri-alkanolamines; or of acid nature, such as mineral acids as, for example, hydrochloric acid or sulfuric acid, or carboxylic acids such as, for example, acetic acid, lactic acid, tartaric acid, or citric acid; or mixtures thereof.
  • the pH regulating agent comprises a mixture of at least one alkanolamine and a carboxylic acid, more preferably a mixture of at least one alkanolamine and citric acid, and still more preferably a mixture of at least one alkanolamine selected from monoethanolamine, triethanolamine, and mixtures thereof, and citric acid.
  • the pH regulating agent comprises a mixture of monoethanolamine and citric acid.
  • composition of the invention contains said pH regulating agents for adjusting the pH value in a range comprised between 7 and 10, preferably between 8 and 9.
  • the content of pH regulating agent in the composition of the invention does not usually exceed 20% by weight on the total weight of the composition, preferably the content is comprised between 4% and 20% by weight, more preferably between 5% and 15% by weight, and yet more preferably between 7% and 15% by weight on the total weight of the composition.
  • the detergent composition comprises monoethanolamine in a range comprised between 3% and 15% by weight, preferably between 3% and 10% by weight on the total weight of the composition, and citric acid in a range comprised between 1% and 5% by weight, preferably between 1% and 3% by weight on the total weight of the composition.
  • composition of the invention further comprises at least one polymer selected from the group consisting of soil repellent polymer, anti-redeposition polymer, and dye-transfer inhibitor.
  • Soil repellent polymers are materials that are applied prior to exposure to soil. These polymers are substantive to the fabric and modify the surface to make it more resistant to oily soils. Soil repellent polymers are usually selected from acrylic acid polymers, fluoro chemicals, terephthalate-based products. Those polymers are commercially available from, for example, the company Clariant as Texcare® SRN 170.
  • Anti-redeposition polymers are chemicals that prevent soil once removed from a fabric, from re-depositing on the fabric during the wash cycle.
  • Anti-redeposition agents are polymers that are added to the detergent formulation to suspend the soil and minimize redeposition on the garment. Those polymers are commercially available from, for example, the company Rohm & Haas as Acusol® 505N.
  • Dye-transfer inhibitors are used in laundry detergent compositions to avoid recolouring of fabrics when fabrics of different shades are washed together, and there exists the danger that the dye of coloured fabrics if washed out into the washing water.
  • Polyvinylpyrrolidon (PVP) homopolymers and copolymers thereof inhibit the transfer of dye to the fabric, as well vinylpyridine based polymers.
  • Those polymers are commercially available from, for example, the company BASF as different Sokalan® HP grades, and from the company Ashland as Cromabond® types.
  • the composition comprises a dye-transfer inhibitor.
  • the composition comprises a combination of an anti-redeposition polymer and a dye-transfer inhibitor.
  • the composition comprises a combination of a soil repellent polymer, an anti-redeposition polymer and a dye-transfer inhibitor.
  • each of the polymers in the detergent composition of the invention does not usually exceed 2% by weight on the total weight of the composition, being generally comprised between 0.1% and 2% by weight, more preferably comprised between 0.2% and 1.5% by weight, yet more preferably comprised between 0.3% and 1% by weight, and yet more preferably comprised between 0.5% and 1% by weight on the total weight of the composition.
  • composition of the invention may further comprise at least one additive selected from the group comprising sequestering agent, hydrotrope, optical brightener, antimicrobial active ingredient, corrosion inhibitor, antioxidant, opacifier, fragrance, dyestuff, and mixtures thereof.
  • the detergent composition may comprise at least one sequestering agent.
  • sequestering agents also known as chelating agents
  • chelating agents are substances capable of forming soluble complexes with metal ions.
  • its presence allows improving the action of surfactants, by removing metal ions from the medium, mainly calcium and magnesium, thus decreasing the hardness of water and reducing the formation of insoluble salts.
  • Some of the sequestering agents suitable for use in the context of the present invention are, for example, polyphosphates, especially alkaline tripolyphosphates and pyrophosphates; phosphonates such as, for example, HEDP (1-hydroxyethane 1,1-diphosphonic acid), DTPMP (diethylenetriamine pentamethylenephosphonic acid), EDTMP (ethylene diamine tetramethylenephosphonic acid), ATMP (amino trimethylenephosphonic acid), or HDTMP (hexamethylenediamine tetramethylenephosphonic acid), or their alkaline salts; hydroxypolycarboxylates, such as citric, tartaric or gluconic acid; aminopolycarboxylates, such as EDTA (ethylenediaminetetraacetic acid), DTPA (diethylenetriaminepentaacetic acid), NTA (nitrilotriacetic acid), GLDA (glutamic acid, N,N-diacetic), MGDA (methyl
  • the sequestering agent is selected from the group consisting of citric acid, tartaric acid, gluconic acid, phosphonates, aminocarboxylates, polycarboxylates, their sodium salts; and mixtures thereof; more preferably the sequestering agent is selected from the group consisting of citric acid, phosphonates, and mixtures thereof.
  • the content of sequestering agent in the composition of the invention does not usually exceed 10% by weight on the total weight of the composition, preferably the content is comprised between 0.1% and 7.5% by weight, more preferably between 0.2% and 5% by weight, and yet more preferably between 0.5% and 2.5% by weight on the total weight of the composition.
  • composition may contain a hydrotropic agent.
  • Hydrotropes are products that increase the solubility and miscibility of organic salts in water, and provide greater homogeneity to the products in solution.
  • Some hydrotropes suitable for use in the detergent composition of the present invention are, for example, toluenesulfonates, xylenesulfonates, cumenesulfonates, and methylnaphthalenesulfonates, in the form of their monoethanolammonium, diethanolammonium, and triethanolammonium salts, or as alkaline salts, preferably, sodium or potassium salts; or it is a short-chain alkyl sulfate, such as, for example, n-octyl sulfate, 2-ethylhexyl sulfate, or its alkaline salts, preferably sodium or potassium salts.
  • the content of hydrotrope in the composition of the invention does not usually exceed 10% by weight on the total weight of the composition, preferably the content is comprised between 0.1% and 7.5% by weight, more preferably between 0.2% and 5% by weight, and yet more preferably between 0.5% and 2.5% by weight on the total weight of the composition.
  • the composition may contain an optical brightener.
  • the optical brightener is preferably selected from hydrophobic brighteners, stilbene brighteners, biphenyl type brighteners, or a mixture thereof.
  • Suitable brighteners include: di-styryl biphenyl compounds, e.g. Tinopal® CBS-X, di-amino stilbene di-sulfonic acid compounds, e.g. Tinopal® DMS pure Xtra and Blankophor® HRH, and Pyrazoline compounds, e.g. Blankophor® SN, and coumarin compounds, e.g. Tinopal® SWN.
  • the content of optical brightener is usually comprised between 0.05% and 2% by weight, preferably between 0.1% and 1.5%, yet more preferably between 0.2% and 1% by weight on the total weight of the composition.
  • Anti-bacterial active agent may be present in the composition of the invention.
  • the anti-bacterial actives may be selected from the group comprising benzalkonium chloride, benzethonium chloride, sodium benzoate, 5-bromo-5-nitro-1,3 dioxane, 2-bromo-2-nitropropane-1,3-diol, alkyl trimethyl ammonium bromide, N-(hydroxymethyl)- N -(1,3-dihydroxymethyl-2,5-dioxo-4-imidaxolidinyl- N '- (hydroxy methyl) urea, 1,3-dimethyol-5,5-dimethylhydantoin, phenoxyethanol, lactic acid, sorbic acid, sorbate, formaldehyde, butyl paraben, ethyl paraben, methyl paraben, propyl paraben, 2-phenoxyethanol, isothiazolinones (such as benzisothiazolinone, methylisothiazolinone, 5-chloro-2-methyl-4-
  • isothiazolinones Preferably it is selected from isothiazolinones, essential oils and natural extracts. In a preferred embodiment it is selected from isothiazolinones. In another preferred embodiment it is selected from a natural extract. In another preferred embodiment it is selected from an essential oil.
  • the content of preservative is usually comprised between 0.01% by weight to 3% by weight on the total weight of the composition.
  • the unit dose of the invention comprises a water-soluble film and a composition comprising:
  • the composition comprises further monoethanolamine and citric acid, and polymers, preferably a dye transfer inhibitor.
  • the unit dose of the invention comprises a water-soluble film and a composition comprising:
  • the composition comprises further monoethanolamine and citric acid, and polymers, preferably a dye transfer inhibitor.
  • the unit dose of the invention comprises a water-soluble film and a composition comprising:
  • the composition comprises further monoethanolamine and citric acid, and polymers, preferably a dye transfer inhibitor.
  • the liquid laundry detergent usually shows a viscosity comprised between 300 cps to 900 cps, preferably, between 350 cps to 800 cps, more preferably between 400 cps to 750 cps.
  • unit dose of the present invention shows good stability regarding appearance, pH and viscosity after storage at 5° C, 22-25° C and 40° C during at least 3 months.
  • the unit dose of the invention comprising the liquid laundry composition shows good overall detergency, in particular on particulate, greasy soils and enzymatic removable soils, as disclosed in the examples.
  • a first water-soluble film may be shaped to comprise at least one open chamber into which the liquid laundry detergent composition is added.
  • a second water-soluble film is then laid over the first film in such an orientation as to close the opening of the chamber.
  • the first and second films are then sealed together along a seal region using known sealing means such as solvent, heat or a mixture thereof.
  • the process is adapted accordingly using known techniques in the art, for example, in EP-A-1375637 , WO-A-2014/170882 , or EP-A-3381834 .
  • the detergent formulations are prepared by mixing the components and adjusted to a pH comprised between 7 and 10, preferably between 8 and 9, according to procedures well known in the art.
  • Another aspect of the present invention is the use of the unit dose fabric comprising a water-soluble film and a laundry liquid detergent composition of the invention in laundry washing.
  • the detergent formulations were prepared by mixing the components and adjusted to a pH comprised between 7 and 10.
  • compositions prepared according to Examples 4-7 were tested using a MIELE Professional - PW 6055 Plus washing machine, in a synthetic/cotton program, without pre-washing, at 30° C, and using water with a hardness of 25° HF. It was used a dose of 26 g of detergent.
  • the washing machine was filled with 2 kg of pre-treated 100% cotton towels, and 3 sets of standard soiled fabrics were introduced in each washing. Washings were replicated twice. Variability within each detergency value was ⁇ 3%.
  • the rest of components of Comparative Examples were the same as in Example 4 and 5.
  • Soil removal (%) was determined according to standard methods, such as that disclosed in, for example, A.I.S.E. Laundry Detergent Testing Guidelines, v.5.2, June 2018, Brussels .
  • compositions according to the invention showed high performance on particulate, greasy soils and on enzymatic removable soils.

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CN115537273A (zh) * 2022-10-14 2022-12-30 广东优凯科技有限公司 一种稳定的高含水量浓缩洗衣液组合物及其应用
KR20230027477A (ko) * 2021-08-19 2023-02-28 이난희 세척력이 우수한 캡슐세제용 조성물 및 이를 이용하여 제조한 캡슐세제
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CN115124174A (zh) * 2022-06-27 2022-09-30 一汽解放汽车有限公司 一种漆雾凝聚剂及其制备方法和应用
CN115124174B (zh) * 2022-06-27 2023-12-19 一汽解放汽车有限公司 一种漆雾凝聚剂及其制备方法和应用
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CN115537273B (zh) * 2022-10-14 2023-12-22 广东优凯科技有限公司 一种稳定的高含水量浓缩洗衣液组合物及其应用
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