EP3441449A1 - Utilisation de la combinaison d'un polymère de polysaccharide cationique et d'un tensio-actif anionique - Google Patents

Utilisation de la combinaison d'un polymère de polysaccharide cationique et d'un tensio-actif anionique Download PDF

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Publication number
EP3441449A1
EP3441449A1 EP17185933.3A EP17185933A EP3441449A1 EP 3441449 A1 EP3441449 A1 EP 3441449A1 EP 17185933 A EP17185933 A EP 17185933A EP 3441449 A1 EP3441449 A1 EP 3441449A1
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EP
European Patent Office
Prior art keywords
fabric
treatment liquor
fabric treatment
use according
water
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.)
Ceased
Application number
EP17185933.3A
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German (de)
English (en)
Inventor
Audrey Claire Francoise BOUNIOL
Nea Janette Lintula
Jean-Pol Boutique
Karel Jozef Maria Depoot
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Procter and Gamble Co
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Procter and Gamble Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Procter and Gamble Co filed Critical Procter and Gamble Co
Priority to EP17185933.3A priority Critical patent/EP3441449A1/fr
Priority to JP2018148848A priority patent/JP6656323B2/ja
Priority to CA3013938A priority patent/CA3013938C/fr
Publication of EP3441449A1 publication Critical patent/EP3441449A1/fr
Ceased legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/22—Carbohydrates or derivatives thereof
    • C11D3/222—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin
    • C11D3/227—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin with nitrogen-containing 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
    • 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
    • C11D1/143—Sulfonic acid 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
    • C11D1/02—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
    • 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
    • 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
    • C11D2111/12—

Definitions

  • the present invention is to the use of a cationic polysaccharide and an anionic non-soap surfactant, and the use of a laundry detergent composition comprising said cationic polysaccharide and anionic non-soap surfactant.
  • the softening active there is a desire to improve the softening benefit provided by the softening active.
  • a first aspect of the present invention is the use of the combination of a cationic polysaccharide polymer and an anionic non-soap surfactant in a first fabric treatment liquor, in order to improve deposition of a softening active on a fabric upon contact of the softening active with said fabric in a separate subsequent second fabric treatment liquor, wherein said fabric was first contacted with said first fabric treatment liquor.
  • FIG.1 is a water-soluble unit dose article according to the present invention.
  • the present invention is to the use of the combination of a cationic polysaccharide polymer and an anionic non-soap surfactant in a first fabric treatment liquor in order to improve deposition of a softening active on a fabric upon contact of the softening active with said fabric in a separate subsequent second fabric treatment liquor, wherein said fabric was first contacted with said first fabric treatment liquor.
  • the first fabric treatment liquor comprises between 0.1ppm and 100 ppm preferably between 0.5ppm and 50ppm, more preferably between 1ppm and 20 ppm, of the cationic polysaccharide polymer.
  • the first fabric treatment liquor comprises between 10ppm and 1000 ppm, preferably between 50ppm and 900ppm, more preferably between 100ppm and 800 ppm of a non-soap anionic surfactant.
  • cationic polysaccharide polymer and the anionic non-soap surfactant are described in more detail below.
  • the first fabric wash liquor comprises water and the cationic polysaccharide polymer and the anionic non-soap surfactant are comprised therein.
  • the cationic polysaccharide may be fully dissolved in the water, partially dissolved in the water, a dispersion in the water, or a mixture thereof, preferably fully dissolved.
  • the anionic non-soap surfactant may be fully dissolved in the water, partially dissolved in the water, a dispersion in the water, or a mixture thereof, preferably fully dissolved.
  • the first fabric treatment liquor can be created automatically in the drum of an automatic washing machine or can be made in a manual wash operation.
  • the first fabric treatment liquor comprises between 0ppm and 200 ppm, preferably between 5ppm and 150 ppm, more preferably between 10ppm and 100ppm of a fatty alcohol ethoxylate non-ionic surfactant.
  • the first fabric treatment liquor comprises less than 300 ppm, preferably between 5ppm and 250 ppm, more preferably between 10ppm and 200ppm of fatty acid, neutralised fatty acid soap, or a mixture thereof.
  • the first fabric treatment liquor may comprise between 1L and 64L, preferably between 2L and 32L, more preferably between 3L and 20L of water.
  • the fabric is first contacted with said first fabric treatment liquor.
  • the fabrics to be washed are added to the drum and the door of the washing machine closed.
  • the cationic polysaccharide polymer and the anionic non-soap surfactant can be added to the drum along with the fabrics or may be added to the dispensing drawer of the washing machine.
  • the fabric to be laundered may be any suitable fabric.
  • fabric we preferably mean a textile or cloth comprising a network of natural or synthetic fibers. Those skilled in the art will be aware of suitable fabrics.
  • the fabric may be selected from cotton, polyester, cotton/polyester blends or a mixture thereof, preferably cotton.
  • the fabric may comprise a stain, soil or mixture thereof to be removed. Those skilled in the art will be aware of suitable stains or soils to be removed.
  • the use of the combination of the cationic polysaccharide polymer and the anionic non-soap surfactant in the first fabric treatment liquor is in order to improve deposition of a softening active on the fabric upon contact of the softening active with said fabric in a separate subsequent second fabric treatment liquor.
  • the second fabric treatment liquor preferably comprises between 1ppm and 500ppm, preferably between 10ppm and 400ppm, most preferably between 20ppm and 300ppm of the softening active.
  • the second fabric treatment liquor may comprise between 1L and 64L, preferably between 2L and 32L, more preferably between 3L and 20L of water.
  • the first and second fabric treatment liquor may comprise water of any hardness preferably varying between 0 gpg to 40gpg.
  • a lower water hardness is termed soft water whereas a higher water hardness is termed hard water.
  • the second fabric wash liquor comprises water and the softening active comprised therein.
  • the softening active may be fully dissolved in the water, partially dissolved in the water, a dispersion in the water, or a mixture thereof.
  • the second fabric treatment liquor can be created automatically in the drum of an automatic washing machine or can be made in a manual wash operation.
  • the first fabric treatment liquor, the second fabric treatment liquor or both comprise between 1kg and 20 kg, preferably between 3kg and 15kg, most preferably between 5kg and 10 kg of the fabrics.
  • the first fabric treatment liquor, the second fabric treatment liquor or both are present in an automatic washing machine.
  • the first fabric treatment liquor is at a temperature of between 5°C and 90°C, preferably between 10°C and 60°C, more preferably between 12°C and 45°C, most preferably between 15°C and 40°C.
  • the first fabric treatment step takes between 5 minutes and 50 minutes, preferably between 5 minutes and 40 minutes, more preferably between 5 minutes and 30 minutes, even more preferably between 5 minutes and 20 minutes, most preferably between 6 minutes and 18 minutes to complete.
  • the second fabric treatment liquor is at a temperature of between 5°C and 30°C, preferably between 5°C and 25°C, more preferably between 5°C and 20°C, most preferably between 5°C and 15°C.
  • the second fabric treatment step takes 1 minute and 30 minutes, preferably between 2 minutes and 25 minutes, more preferably between 3 minutes and 20 minutes, most preferably between 5 minutes and 15 minutes to complete.
  • the fabric is transferred directly from the first fabric treatment liquor to the second fabric treatment liquor, preferably wherein the first fabric treatment liquor and the second fabric treatment liquor are separately formed in the same drum of an automatic washing machine.
  • transferring the fabrics may involve removing the fabrics from the first treatment liquor, or draining the first treatment liquor away from the fabrics.
  • the first treatment liquor is drained away from the fabrics.
  • some of the fabric treatment liquor may remain soaked into the fabrics following separation of the fabrics and the first treatment liquor, i.e. the fabrics remain wet.
  • the fabrics and the first treatment liquor are deemed separated from one another once the fabric is separate from the main volume of the first treatment liquor or the main volume of the first treatment liquor has been drained away, despite some residual first treatment liquor possibly remaining soaked into the fabrics.
  • the fabrics When made in the drum of an automatic washing machine, traditionally, the fabrics remain in the drum of the washing machine following draining of the first treatment liquor.
  • the washing machine then automatically creates the second treatment liquor comprising the fabrics.
  • the fabrics are not removed from the drum of the washing prior to creation of the second treatment liquor.
  • the washing machine creates the second treatment liquor within 30 minutes, preferably within 20 minutes, more preferably within 10 minutes, most preferably within 5 minutes of removal of the first treatment liquor.
  • the cationic polysaccharide polymer and the anionic non-soap surfactant are present in a laundry detergent composition which is diluted by a factor of between 300 and 3000 fold in water to create the first fabric treatment liquor.
  • the laundry detergent composition preferably comprises other common laundry detergent ingredients.
  • the laundry detergent composition may be in any suitable form.
  • the laundry detergent composition may be a powder, a liquid or a mixture thereof.
  • the solid laundry detergent composition may comprise solid particulates or may be a single homogenous solid.
  • the solid laundry detergent composition comprises particles. This means the solid laundry detergent composition comprises individual solid particles as opposed to the solid being a single homogenous solid.
  • the particles may be free-flowing or may be compacted, preferably free-flowing.
  • liquid laundry detergent composition refers to any laundry detergent composition comprising a liquid capable of wetting and treating a fabric, and includes, but is not limited to, liquids, gels, pastes, dispersions and the like.
  • the liquid composition can include solids or gases in suitably subdivided form, but the liquid composition excludes forms which are non-fluid overall, such as powders, tablets or granules.
  • the laundry detergent composition may be present in a water-soluble unit dose article and the water-soluble unit dose article comprises a water-soluble film.
  • the water-soluble unit dose article comprises a water-soluble film and a laundry detergent composition.
  • the laundry detergent composition and the water-soluble film are described in more detail below.
  • the water-soluble unit dose article comprises the water-soluble film shaped such that the unit-dose article comprises at least one internal compartment surrounded by the water-soluble film, and wherein the laundry detergent composition is present within said compartment.
  • 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 compartment.
  • the water-soluble unit dose article is constructed such that the laundry detergent composition does not leak out of the compartment during storage. However, upon addition of the water-soluble unit dose article to water, the water-soluble film dissolves and releases the contents of the internal compartment into the wash liquor.
  • the compartment should be understood as meaning a closed internal space within the unit dose article, which holds the detergent composition.
  • a first water-soluble film may be shaped to comprise an open compartment into which the 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 compartment. The first and second films are then sealed together along a seal region.
  • the unit dose article may comprise more than one compartment, even at least two compartments, or even at least three compartments.
  • the compartments may be arranged in superposed orientation, i.e. one positioned on top of the other. In such an orientation the unit dose article will comprise three films, top, middle and bottom.
  • the compartments may be positioned in a side-by-side orientation, i.e. one orientated next to the other.
  • the compartments may even be orientated in a 'tyre and rim' arrangement, i.e. a first compartment is positioned next to a second compartment, but the first compartment at least partially surrounds the second compartment, but does not completely enclose the second compartment.
  • one compartment may be completely enclosed within another compartment.
  • the unit dose article comprises at least two compartments, one of the compartments may be smaller than the other compartment.
  • the unit dose article comprises at least three compartments, two of the compartments may be smaller than the third compartment, and preferably the smaller compartments are superposed on the larger compartment.
  • the superposed compartments preferably are orientated side-by-side.
  • the laundry detergent composition according to the present invention may be comprised in at least one of the compartments. It may for example be comprised in just one compartment, or may be comprised in two compartments, or even in three compartments.
  • Each compartment may comprise the same or different compositions.
  • the different compositions could all be in the same form, or they may be in different forms.
  • the water-soluble unit dose article may comprise at least two internal compartments, wherein the liquid laundry detergent composition is comprised in at least one of the compartments, preferably wherein the unit dose article comprises at least three compartments, wherein the detergent composition is comprised in at least one of the compartments.
  • FIG.1 discloses a water-soluble unit dose article (1) according to the present invention.
  • the water-soluble unit dose article (1) comprises a first water-soluble film (2) and a second water-soluble film (3) which are sealed together at a seal region (4).
  • the laundry detergent composition (5) is comprised within the water-soluble soluble unit dose article (1).
  • 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 micron, preferably 35 to 125 micron, even more preferably 50 to 110 micron, most preferably about 76 micron.
  • the film has a water-solubility of at least 50%, preferably at least 75% or even at least 95%, as measured by the method set out here after using a glass-filter with a maximum pore size of 20 microns:
  • Preferred 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.
  • Preferred polymers, copolymers or derivatives thereof suitable for use as pouch material are selected from polyvinyl alcohols, polyvinyl pyrrolidone, polyalkylene oxides, acrylamide, acrylic acid, cellulose, cellulose ethers, cellulose esters, cellulose amides, polyvinyl acetates, polycarboxylic acids and salts, polyaminoacids or peptides, polyamides, polyacrylamide, copolymers of maleic/acrylic acids, polysaccharides including starch and gelatine, natural gums such as xanthum and carragum.
  • More preferred polymers are selected from polyacrylates and water-soluble acrylate copolymers, methylcellulose, carboxymethylcellulose sodium, dextrin, ethylcellulose, hydroxyethyl cellulose, hydroxypropyl methylcellulose, maltodextrin, polymethacrylates, and most preferably selected from polyvinyl alcohols, polyvinyl alcohol copolymers and hydroxypropyl methyl cellulose (HPMC), and combinations thereof.
  • the level of polymer in the pouch material for example a PVA polymer, is at least 60%.
  • the polymer can have any weight average molecular weight, preferably from about 1000 to 1,000,000, more preferably from about 10,000 to 300,000 yet more preferably from about 20,000 to 150,000.
  • polymers and/or copolymers can also be used as the pouch material, especially mixtures of polyvinylalcohol polymers and/or copolymers, especially mixtures of polyvinylalcohol homopolymers and/or anionic polyvinylalcohol copolymers preferably selected from sulphonated and carboxylated anionic polyvinylalcohol copolymers especially carboxylated anionic polyvinylalcohol copolymers.
  • the water soluble film comprises a blend of a polyvinylalcohol homopolymer and a carboxylated anionic polyvinylalcohol copolymer.
  • Preferred films exhibit good dissolution in cold water, meaning unheated distilled water.
  • Preferably such films exhibit good dissolution at temperatures of 24°C, even more preferably at 10°C.
  • good dissolution it is meant that the film exhibits water-solubility of at least 50%, preferably at least 75% or even at least 95%, as measured by the method set out here after using a glass-filter with a maximum pore size of 20 microns, described above.
  • Preferred films are those supplied by Monosol under the trade references M8630, M8900, M8779, M8310.
  • 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 5000ppm, or even 100 to 2500ppm, or even 250 to 2000rpm.
  • the softening active may be present in a fabric softening composition which is diluted by a factor of between 300 and 3000 fold in water to create the second fabric treatment liquor.
  • the fabric softening composition may comprise other common fabric softening composition ingredients.
  • the softening composition may be in any suitable form.
  • the softening composition may be a powder, a liquid or a mixture thereof.
  • the softening composition may comprise solid particulates or may be a single homogenous solid.
  • the solid softening composition comprises particles. This means the solid softening composition comprises individual solid particles as opposed to the solid being a single homogenous solid.
  • the particles may be free-flowing or may be compacted, preferably free-flowing.
  • liquid laundry softening composition refers to any laundry softening composition comprising a liquid capable of wetting and treating a fabric, and includes, but is not limited to, liquids, gels, pastes, dispersions and the like.
  • the liquid composition can include solids or gases in suitably subdivided form, but the liquid composition excludes forms which are non-fluid overall, such as powders, tablets or granules.
  • the non-soap anionic surfactant comprises linear alkylbenzene sulphonate, alkoxylated alkyl sulphate or a mixture thereof, more preferably a mixture thereof wherein the weight ratio of linear alkylbenzene sulphonate to alkoxylated alkyl sulphate preferably the weight ratio of linear alkylbenzene sulphonate to ethoxylated alkyl sulphate is from 1:2 to 20:1, preferably from 1.1:1 to 15:1, more preferably from 1.2:1 to 10:1, even more preferably from 1.3:1 to 5: 1, most preferably from 1.4:1 to 3:1.
  • the weight ratio of linear alkylbenzene sulphonate to ethoxylated alkyl sulphate may be from 1:10 to 20:1, preferably from 1:7 to 3:1, more preferably from 1:5 to 1.5:1.
  • the laundry detergent composition may comprise up to 50%, preferably between 5% and 50%, more preferably between 7.5% and 45%, even more preferably between 10% and 40%.
  • the laundry detergent composition may comprise between 12% and 37%, preferably between 15% and 30% by weight of the laundry detergent composition of the non-soap anionic surfactant.
  • the cationic polysaccharide polymer is selected from cationically modified hydroxyethyl cellulose, cationically modified hydroxypropyl cellulose, cationically and hydrophobically modified hydroxyethyl cellulose, cationically and hydrophobically modified hydroxypropyl cellulose, or a mixture thereof, more preferably cationically modified hydroxyethyl cellulose, cationically and hydrophobically modified hydroxyethyl cellulose, or a mixture thereof.
  • the cationic polysaccharide is in particulate form, preferably wherein the particulate cationic polysaccharide has an average D90 diameter of less than 300 microns, more preferably less than 200 microns, even more preferably less than 150 microns.
  • formulation of the cationic polysaccharide in particulate form has the added benefit of minimizing interaction of the cationic polysaccharide with the water-soluble film, when formulated in a water-soluble unit dose article. Such interaction can retard the dissolution of both the film and the cationic polysaccharide.
  • the laundry detergent composition When formulated in a laundry detergent composition, the laundry detergent composition may comprise between 0.05% and 10%, preferably between 0.1% and 5%, more preferably between 0.2% and 3%, most preferably between 0.25% and 1% by weight of the laundry detergent composition of the cationic polysaccharide polymer.
  • the laundry detergent composition may comprise a non-ionic surfactant, preferably wherein the non-ionic surfactant is selected from a fatty alcohol alkoxylate, an oxo-synthesised fatty alcohol alkoxylate, Guerbet alcohol alkoxylates, alkyl phenol alcohol alkoxylates or a mixture thereof.
  • the liquid laundry detergent composition comprises between 1% and 25%, preferably between 1.5% and 20%, most preferably between 2% and 15% by weight of the liquid laundry detergent composition of the non-ionic surfactant.
  • the weight ratio of non-soap anionic surfactant to non-ionic surfactant may be from 1:1 to 20:1, preferably from 1.3:1 to 15:1, more preferably from 1.5:1 to 10:1.
  • the laundry detergent composition may comprise between 1% and 25%, preferably between 1.5% and 20%, more preferably between 1% and 25%, preferably between 1.5% and 20%, most preferably between 2% and 15% by weight of the liquid detergent composition of soap.
  • the laundry detergent composition may comprise a further cleaning or care polymer, preferably wherein the cleaning or care polymer is selected from an ethoxylated polyethyleneimine, alkoxylated polyalkyl phenol, an amphiphilic graft copolymer, a polyester terephthalate, a carboxymethylcellulose or a mixture thereof.
  • the cleaning or care polymer is selected from an ethoxylated polyethyleneimine, alkoxylated polyalkyl phenol, an amphiphilic graft copolymer, a polyester terephthalate, a carboxymethylcellulose or a mixture thereof.
  • the laundry detergent may comprise further adjunct ingredients.
  • the adjunct laundry detergent ingredient may be selected from bleach, bleach catalyst, dye, hueing agents, surfactants, solvents, dye transfer inhibitors, chelants, enzymes, perfumes, encapsulated perfumes, perfume delivery agents, suds suppressor, brighteners, polycarboxylates, structurants, anti-oxidants, deposition aids and mixtures thereof.
  • said softening active is selected from the group consisting of quaternary ammonium compounds, amines, fatty esters, sucrose esters, silicones, dispersible polyolefins, polysaccharides, fatty acids, softening oils, polymer latexes, softening clays and combinations thereof, preferably wherein the fabric softening active is selected from the group consisting of quaternary ammonium compounds and mixtures thereof, more preferably ester quats, most preferably wherein the fabric softening active is selected from the group consisting of diester quats, more preferably Diethylester Dimethyl Ammonium Chloride (DEEDMAC).
  • DEEDMAC Diethylester Dimethyl Ammonium Chloride
  • the softening composition When formulated in a fabric softening composition, preferably, the softening composition comprises between 2% and 25%, preferably between 4% and 20%, more preferably between 5% and 15%, most preferably between 5% and 13% by weight of the softening composition of the softening active.
  • the laundry softening composition preferably further comprises perfume or perfume capsule technology, aiming at delivering scent to the treated fabrics.
  • the laundry softening composition may comprise further ingredients, as typically recognized by a skilled person in the art.
  • a further use of the combination of a cationic polysaccharide polymer and an anionic non-soap surfactant in a first fabric treatment liquor is to enable the lower use of softener active in a second subsequent fabric treatment liquor.
  • a cationic polysaccharide polymer and an anionic non-soap surfactant in a first fabric treatment liquor may be used to improve deposition of other actives, such as perfume materials or perfume capsules on a fabric upon contact of the active(s) with said fabric in a separate subsequent second fabric treatment liquor.
  • the 100% cotton terry towel tracers were equilibrated for at least 5 hours in a room with constant temperature (23°C) and humidity (55% relative humidity).
  • the fabric to fabric kinetic friction coefficient was measured in the same room using a Thwing-Albert Friction Peel Tester with a 2.5 kg load cell and a crosshead height of 25mm.
  • a first piece of fabric was laid on the sample stage of the instrument, and a second piece of the same fabric (11.43cm x 6.35cm) was attached to a 200g clamping sled attached to the load cell and placed on the surface of the first piece of fabric.
  • the Friction Peel Tester is programmed to move the second piece of fabric (on the clamping sled) over the first piece of fabric (on the sample stage) at a speed of 20cm/min for 20 seconds. As the fabrics move over each other the software records the frictional force experienced by the fabric on the clamping sled. The terry towel tracers are placed on the instrument to be measured against the grain.
  • the kinetic friction coefficient (referred to as "KCoF") is derived by taking the average force of the last 10 seconds of the measurement (kinetic section) divided by the normal force exerted during the measurement. This kinetic friction coefficient is used as a measure of softness. A low kinetic friction coefficient means less friction, and so better softness. The average friction result of the 10 terry towels is reported below.
  • the DEEDMAC diesterquat raw material was used to prepare working standards to generate a calibration curve. This curve covered a working standard concentration range of 13.2-to-1644 ng/mL, which translates into 12.8-1596 ⁇ g/g (ppm) for the active diesterquat deposited on fabric. A labelled internal standard with deuterium was used to correct for matrix effects.
  • the amount of deposited DEEDMAC diesterquat has been defined by cross-comparing the measurement on the extracted DEEDMAC diesterquat material versus the generated calibration curve. The average result of the 10 cotton terry towels has been reported.
  • the below table shows the actual amount of diesterquat (DEEDMAC) softening active deposited onto the fabrics, as well as the resulting coefficient of friction measured on the fabrics. It can clearly be seen that when formulating a cationic hydroxyethylcellulose according to the invention in the main wash product, that an enhanced diesterquat softening active (DEEDMAC) deposition in the rinse and hence improved softening performance (decreased coefficient of friction - KCoF) is achieved.
  • DEEDMAC diesterquat softening active
EP17185933.3A 2017-08-11 2017-08-11 Utilisation de la combinaison d'un polymère de polysaccharide cationique et d'un tensio-actif anionique Ceased EP3441449A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP17185933.3A EP3441449A1 (fr) 2017-08-11 2017-08-11 Utilisation de la combinaison d'un polymère de polysaccharide cationique et d'un tensio-actif anionique
JP2018148848A JP6656323B2 (ja) 2017-08-11 2018-08-07 カチオン性多糖ポリマーとアニオン性非石鹸界面活性剤との組み合わせの使用
CA3013938A CA3013938C (fr) 2017-08-11 2018-08-10 Utilisation de la combinaison d'un polymere polysaccharide cationique et d'un surfactant sans savon anionique

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EP17185933.3A EP3441449A1 (fr) 2017-08-11 2017-08-11 Utilisation de la combinaison d'un polymère de polysaccharide cationique et d'un tensio-actif anionique

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EP3441449A1 true EP3441449A1 (fr) 2019-02-13

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JP (1) JP6656323B2 (fr)
CA (1) CA3013938C (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023025761A1 (fr) 2021-08-25 2023-03-02 Unilever Ip Holdings B.V. Composition de détergent
WO2023025766A1 (fr) 2021-08-25 2023-03-02 Unilever Ip Holdings B.V. Composition détergente
WO2023203318A1 (fr) * 2022-04-19 2023-10-26 Innospec Performance Chemicals Europe Limited Compositions, procédés et utilisations

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EP2982738A1 (fr) * 2014-08-07 2016-02-10 The Procter and Gamble Company Composition de détergent pour lessive
EP3181673A1 (fr) * 2015-12-16 2017-06-21 The Procter and Gamble Company Article de dose unitaire soluble dans l'eau

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Publication number Priority date Publication date Assignee Title
WO2023025761A1 (fr) 2021-08-25 2023-03-02 Unilever Ip Holdings B.V. Composition de détergent
WO2023025766A1 (fr) 2021-08-25 2023-03-02 Unilever Ip Holdings B.V. Composition détergente
WO2023203318A1 (fr) * 2022-04-19 2023-10-26 Innospec Performance Chemicals Europe Limited Compositions, procédés et utilisations

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