EP3418370A1 - Verbraucherprodukt - Google Patents

Verbraucherprodukt Download PDF

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Publication number
EP3418370A1
EP3418370A1 EP18166904.5A EP18166904A EP3418370A1 EP 3418370 A1 EP3418370 A1 EP 3418370A1 EP 18166904 A EP18166904 A EP 18166904A EP 3418370 A1 EP3418370 A1 EP 3418370A1
Authority
EP
European Patent Office
Prior art keywords
acid
treatment composition
laundry treatment
consumer product
surfactant
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP18166904.5A
Other languages
English (en)
French (fr)
Other versions
EP3418370B1 (de
Inventor
Guillaume Bonnet
Nans Elian Ravidat
Annalise Charlotte Richmond
Robby Renilde Francois Keuleers
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
Original Assignee
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 PCT/US2018/036995 priority Critical patent/WO2018231751A1/en
Priority to US16/005,906 priority patent/US20180355294A1/en
Publication of EP3418370A1 publication Critical patent/EP3418370A1/de
Application granted granted Critical
Publication of EP3418370B1 publication Critical patent/EP3418370B1/de
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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
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0043—For use with aerosol devices
    • 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
    • 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
    • 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
    • C11D3/3723—Polyamines or polyalkyleneimines

Definitions

  • the present invention relates to a consumer product comprising a container, spray applicator and a liquid laundry treatment composition.
  • low active or 'mild' spray formulations can overcome such issues. Items to be washed are sprayed with the spray formulation and then added into the wash process, for example into an automatic washing machine, without the need for any further detergent to be added.
  • the spray application spreads the detergent composition over the fabric minimizing as such local product excess hence risk of potential local damage, and reduces the overall amount of treatment composition to be used and hence leads to reduced amount of water required in a rinse operation hence rinsing time requirement. As such short or delicate cycles or even just rinse cycles might already fulfill the need.
  • the low active formulation provides a 'less harsh' treatment of the fabrics whilst still providing sufficient cleaning and/or refreshing of garments.
  • a first aspect of the present invention is a consumer product comprising a laundry treatment composition housed in a container, wherein;
  • a second aspect of the present invention is a process of treating at least one garment comprising the steps of;
  • the present invention discloses a consumer product comprising a liquid laundry treatment composition housed in a container.
  • consumer product we herein mean a product intended for end use by a consumer.
  • the consumer product may be purchased as is, or may comprise at the point of purchase external packaging that is removed prior to use of the consumer product.
  • the container is described in more detail below.
  • liquid laundry treatment composition is described in more detail below.
  • the container comprises a spray applicator and an internal chamber comprising the laundry treatment composition.
  • the liquid laundry treatment composition is in contact with the spray applicator and the spray applicator is capable of spraying the liquid laundry treatment composition into the environment external to the container upon activation of the spray applicator.
  • the container may be of any suitable shape or size. Those skilled in the art will be aware of suitable shapes and sizes for the container. Preferably the container is of a size that an adult can comfortably hold said container in their hand. Alternatively the container may comprise a handle to allow the user to hold said container in their hand.
  • the container may be made from any suitable material.
  • the container may be manufactured from a material selected from plastic, metal, glass or a mixture thereof.
  • the container may be made from a plastic material, preferably a polyolefin material.
  • the container may be made from polypropylene, polystyrene, polyethylene, polyethylene terephthalate, PVC or a mixture thereof or more durable engineering plastics like Acrylonitrile Butadiene Styrene (ABS), Polycarbonates, Polyamides and the like
  • ABS Acrylonitrile Butadiene Styrene
  • the material used to make the container may comprise other ingredients, such as colorants, preservatives, plasticisers, UV stabilizers , oxygen, perfume and moisture barriers, recycled materials and the like.
  • the container may be made using any suitable process Suitable processes include but are not limited to thermoforming, injection molding, injection stretch blow molding, extrusion blow molding, tube forming from a flat laminate with a welding step, extruded tube forming.
  • the container may be opaque, transparent or translucent. Preferably, the container is opaque.
  • the container may be a pressurised container or a non-pressurised container.
  • the spray applicator may be any suitable spray applicator. Those skilled in the art will be aware of suitable spray applicators.
  • Suitable spray dispensers include hand pump (sometimes referred to as "trigger") devices, pressurized can devices, electrostatic spray devices, etc.
  • the spray dispenser is nonsolvent propellant pressurized and the spray means are of the trigger dispensing type.
  • the spray dispenser can be a pre-compression sprayer or an aerosol spray with a pressure control valve, both commercially available in the art.
  • Suitable pre-compression sprayers in which a buffer mechanism to control the maximum pressure can be added include the Flairosol® spray dispenser, commercially available, manufactured and sold by Afa Dispensing Group (The Netherlands).
  • the laundry treatment composition upon activation of the spray applicator the laundry treatment composition is sprayed into the environment external to the container and is present as droplets having an average particle size (Dv 50%) between 100 micron and 300 micron, preferably between 100 micron and 200 micron, most preferably between 100 and 150 micron.
  • Dv 50% average particle size
  • liquid laundry treatment composition refers to any laundry treatment composition that is a liquid and is capable of wetting and treating fabric e.g., cleaning clothing in a domestic washing machine.
  • 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 tablets or granules.
  • the laundry treatment composition may be a laundry detergent composition, a laundry softening composition, a laundry care composition, a laundry scent refresher composition or a mixture thereof.
  • the laundry treatment composition has both cleaning, refreshing and care properties, the latter including fabric softness and fabric shape and texture retention properties.
  • the liquid laundry treatment composition comprises at least 50%, preferably at least 60%, more preferably at least 70%, most preferably at least 80% by weight of the liquid laundry detergent composition of water. Such water levels are preferred to enable a 'less harsh' composition and also allow for easy spray application.
  • the liquid laundry treatment composition comprises between 1% and 15% preferably between 4% and 12%, more preferably between 5% and 10% by weight of the liquid laundry treatment composition of non-soap surfactant.
  • the non-soap surfactant is described in more detail below.
  • the liquid laundry treatment composition comprises between 0.1% and 5%, preferably from 0.2% to 1%, more preferably from 0.3% to 0.7% by weight of the liquid laundry treatment composition of a polymer selected from a cationic polymer, a polysaccharide polymer, or a mixture thereof, preferably a cationic polymer.
  • a polymer selected from a cationic polymer, a polysaccharide polymer, or a mixture thereof, preferably a cationic polymer.
  • addition of the polymer is preferred as this provides even further improved spray application e.g. enabling a more condensed, controlled spray pattern.
  • the cationic polysaccharide technology will further provide fabric conditioning benefits including softness and multi-cycle shape retention benefits.
  • the cationic polymer is a cationically modified polysaccharide, preferably selected from cationic guar gums, cationic cellulosic polymers, and mixtures thereof, most preferably cationic cellulosic polymers even more preferably cationically modified hydroxyethyl cellulose, most preferably, hydroxyethyl cellulose derivatised with trimethyl ammonium substituted epoxide.
  • hydrophobically modified we herein mean that one or more hydrophobic groups are bound to the polymer.
  • cationically modified we herein mean that one or more cationically charged groups are bound to the polymer.
  • the cationically modified hydroxyethyl cellulose preferably is hydroxyethyl cellulose derivatised with trimethyl ammonium substituted epoxide.
  • the cationic polysaccharide polymer can be synthesized in, and are commercially available in, a number of different molecular weights. In order to achieve optimal spray control, as well as softening and care performance from the product, it is desirable that the cationic polymer used in this invention be of an appropriate molecular weight. Without wishing to be bound by theory, it is believed that polymers that are too high in mass can entrap soils and prevent them from being removed, as well as will be providing physical stability challenges especially in low viscous liquors required for spraying.
  • cationic polymers with an average molecular weight of less than about 850,000 daltons, and especially those with an average molecular weight of less than 500,000 daltons can help to minimise this effect without significantly reducing the softening performance of properly formulated products while providing the desired optimum spray pattern.
  • polymers with a molecular weight of about 10,000 daltons or less are believed to be too small to give an effective softening benefit, nor being able to prevent dispersion of fine droplets.
  • the cationic polymer according to the invention preferably has a molecular weight of from about 10,000 daltons to about 850,000 daltons, preferably from about 50,000 daltons to about 750,000 daltons, more preferably from about 100,000 daltons to about 600,000 daltons, most preferably from about 200,000 daltons to about 500,000 daltons.
  • the cationic polymers according to the invention may also have a cationic charge density ranging from about 0.1meq/g to about 5meq/g, preferably from about 0.15meq/g to about 4 meq/g, more preferably from about 0.2meq/g to about 2.5 meq/g, even more preferably from about 0.25meq/g to about 1.5 meq/g, most preferably from about 0.25 meq/g to about 0.7 meq/g, at the pH of intended use of the laundry composition.
  • charge density of the cationic polymers is defined as the number of cationic sites per polymer gram atomic weight (molecular weight), and can be expressed in terms of meq/gram of cationic charge.
  • cationic polymers with a too high charge density are thought to be too sensitive to precipitate out with anionic compounds in the formulation and will as such not be present anymore to help prevent fine droplet dispersion, while cationic polymers with a too low charge density are thought to have a too low affinity to fabrics, compromising softness accordingly.
  • Any anionic counterions can be used in association with cationic polymers. Non-limiting examples of such counterions include halides (e.g. chlorine, fluorine, bromine, iodine), sulphate and methylsulfate, preferably halides, more preferably chlorine.
  • the cationic polymer according to the invention might be "hydrophobically modified".
  • hydrophobic groups are bound to the polymer. Without intending to be bound by theory we believe that hydrophobic modification can increase the affinity of the polymer towards the fabric, as well as enable better binding of individual spray particles by associating to the dissolved surfactant molecules, preventing file particle dispersion accordingly.
  • the one or more hydrophobic groups can be independently selected from C 1 -C 32 preferably C 5 -C 32 alkyl; C 1 -C 32 preferably C 5 -C 32 substituted alkyl, C 5 -C 32 alkylaryl, or C 5 -C 32 substituted alkylaryl, (poly)alkoxy C 1 -C 32 preferably C 5 -C 32 alkyl or (poly)alkoxy substituted C 1 -C 32 preferably C 5 -C 32 alkyl or mixtures thereof.
  • Hydrophobic substitution on the polymer, preferably on the anhydroglucose rings of the cationic polymer may range from 0.01% to 5% per glucose unit, more preferably from 0.05% to 2% per glucose unit, of the polymeric material.
  • the cationic polysaccharide polymers according to the invention include those which are commercially available and further include materials which can be prepared by conventional chemical modification of commercially available materials.
  • Commercially available cationic cellulose polymers according to the invention include those with the INCI name Polyquaternium 10, such as those sold under the trade names: Ucare Polymer JR 30M, JR 400, JR 125, LR 400 and LK 400 polymers; Polyquaternium 67 such as those sold under the trade name Softcat SK TM, all of which are marketed by Amerchol Corporation, Edgewater NJ; and Polyquaternium 4 such as those sold under the trade name: Celquat H200 and Celquat L-200, available from National Starch and Chemical Company, Bridgewater, NJ.
  • polysaccharides include hydroxyethyl cellulose or hydoxypropylcellulose quaternized with glycidyl C 12 -C 22 alkyl dimethyl ammonium chloride.
  • suitable polysaccharides include the polymers with the INCI names Polyquaternium 24 such as those sold under the trade name Quaternium LM 200 by Amerchol Corporation, Edgewater NJ.
  • synthetic derived cationic polymers can also be used within the scope of the application.
  • the liquid laundry treatment composition may comprise less than 10%, preferably less than 8%, more preferably less than 5%, even more preferably less than 3%, most preferably between 0.5% and 2% by weight of the laundry treatment composition of fatty acid, neutralised fatty acid soap or a mixture thereof.
  • a low level of fatty acid will enable faster wash suds collapse during washing and upon rinsing, as such reducing risk of leaving detergent residues behind while maximizing active cleaning surfactant presence during the wash.
  • a too high level of fatty acid though risks leaving calcium fatty acids deposits behind in presence of hard water and as such is not preferred.
  • cleaning performance boosting technologies into the consumer product of the invention, enabling the formulator to keep overall surfactant levels low, facilitating suds control hence residue risk accordingly.
  • a range of possible performance boosting technologies are described below.
  • the laundry treatment composition may comprise less than 3%, preferably less than 2%, more preferably less than 1%, even more preferably between 0.01% and 0.5%, most preferably between 0.05% and 0.3% by weight of the laundry treatment composition of a chelant, preferably wherein the chelant is selected from amino carboxylates, amino phosphonates, polyfunctionally-substituted aromatic chelating agents and mixtures thereof, preferably selected from the group consisting of glutamic-N,N-diacetic acid (GLDA), methyl-glycine-diacetic acid (MGDA), Diethylenetriamine penta methylphosphonic acid (DTPMP), 1-hydroxyethane 1,1-diphosphonic acid (HEDP), ethylenediaminetetra-acetates (EDTA), N-hydroxyethylethylenediaminetriacetates, nitrilo-triacetates (NTA), ethylenediamine tetrapro-prionates, triethylenetetraaminehexacetates,
  • the laundry treatment composition preferably comprise a polycarboxylate, preferably selected from the group of consisting of malonic acid, (ethyl enedioxy) diacetic acid, maleic acid, diglycolic acid, tartaric acid, tartronic acid, fumaric acid, citric acid, more preferably citric acid, wherein the citric acid is preferably present at a level of 0.1% to 5%, preferably from 0.5% to 3% most preferably from 1% to 2% by weight of the liquid treatment composition.
  • the lower polycarboxylate levels are preferred to provide a less harsh laundry treatment composition while still facilitating stain removal especially bleachable stain removal.
  • they may help to protect the surfactant system against water hardness by complexing calcium and magnesium ions present in the wash liquor.
  • the laundry treatment composition preferably comprises between 0.01% and 3%, preferably between 0.025% and 2%, more preferably between 0.05% and 1.5% by weight of the laundry treatment composition of a soil release polymer, a polyethyleneimine preferably an alkoxylated polyethyleneimine, zwitterionic polyamine or a mixture thereof.
  • the soil release polymer is selected from the group of polyester terephthalates, polyethylene glycol containing soil release polymers and a mixture thereof, and the alkoxylated polyethyleneimine is preferably an ethoxylated polyethyleneimine.
  • the laundry treatment composition preferably comprises less than 3%, preferably less than 2%, more preferably less than 1.5%, even more preferably between 0.01% and 1%, most preferably between 0.05% and 0.5% by weight of the laundry treatment composition of a soil release polymer, preferably selected from the group of polyester terephthalates, polyethylene glycol containing soil release polymers and a mixture thereof.
  • a soil release polymer preferably selected from the group of polyester terephthalates, polyethylene glycol containing soil release polymers and a mixture thereof.
  • the laundry treatment composition comprises a polyethyleneimine, preferably an alkoxylated polyethyleneimine, more preferably an ethoxylated polyethyleneimine and wherein preferably the laundry treatment composition comprises less than 3%, preferably less than 2%, more preferably less than 1.5%, even more preferably between 0.01% and 1%, most preferably between 0.05% and 0.5% by weight of the laundry treatment composition of the polyethyleneimine, preferably ethoxylated polyethyleneimine.
  • the ethoxylated polyethyleneimine may have a polyethyleneimine backbone of weight average molecular weight of between 100g/mol and 2000g/mol, preferably between 200g/mol and 1500g/mol, more preferably between 300g/mol and 1000g/mol, even more preferably between 400g/mol and 800g/mol, most preferably between 500g/mol and 700g/mol, preferably about 600.
  • the ethoxylation chains within the ethoxylated polyethyleneimine may be from 200g/mol to 2000g/mol weight average molecular weight, preferably from 400g/mol to 1500g/mol weight average molecular weight, more preferably from 600g/mol to 1000g/mol weight average molecular weight, most preferably about 880g/mol weight average molecular weight per ethoxylated chain.
  • the ethoxylation chains within the ethoxylated polyethyleneimine polymer of the present composition have on average 5 to 40, preferably 10 to 30, more preferably 15 to 25, even more preferably 18 to 22, most preferably about 20 ethoxy units per ethoxylation chain.
  • the ethoxylated polyethyleneimine may have a total weight average molecular weight of from 5000g/mol to 20000g/mol, preferably from 7500g/mol to 17500g/mol, more preferably from 10000g/mol to 15000g/mol, even more preferably from 12000g/mol to 13000g/mol, most preferably about 12700g/mol.
  • a preferred polyethyleneimine has the general structure of formula (I): wherein the polyethyleneimine backbone has a weight average molecular weight of about 600g/mol, n of formula (I) has an average of about 20. Each polyethoxy chain is hydrogen capped. The degree of permanent quaternization of formula (I) is about 0% of the polyethyleneimine backbone nitrogen atoms. The molecular weight of this polyethyleneimine preferably is between 10000 and 15000g/mol, more preferably about 12700 g/mol.
  • polyethyleneimines can be made using techniques previously described in the art, and as such those skilled in the art would understand how to produce such compounds.
  • These polyethyleneimines can be prepared, for example, by polymerizing ethyleneimine in the presence of a catalyst such as carbon dioxide, sodium bisulfite, sulfuric acid, hydrogen peroxide, hydrochloric acid, acetic acid, and the like, followed by an ethoxylations step.
  • a catalyst such as carbon dioxide, sodium bisulfite, sulfuric acid, hydrogen peroxide, hydrochloric acid, acetic acid, and the like, followed by an ethoxylations step.
  • the laundry treatment composition comprises less than 3%, preferably less than 2%, more preferably less than 1.5%, even more preferably between 0.01% and 1%, most preferably between 0.05% and 0.5% of a zwitterionic polyamine.
  • Particularly preferred zwitterionic polyamines are zwitterionic hexamethylene diamines according to the following formula:
  • R is an anionic or partially anionic unit-capped polyalkyleneoxy unit having the formula: - (R2O)xR3 wherein R2 is C2-C4 linear or branched alkylene, and mixtures thereof, preferably C2 or branched C3 and mixtures thereof, even more preferably C2 (ethylene); R3 is hydrogen, an anionic unit, and mixtures thereof, in which not all R3 groups are hydrogen; x is from about 5 to about 50, preferably from about 10 to about 40, even more preferably from about 15 to about 30, most preferably from about 20 to about 25. A preferred value for x is 24, especially when R comprises entirely ethyleneoxy units.
  • the formulator chooses to form the alkyleneoxy units, the wider or narrower the range of alkyleneoxy units present.
  • the formulator will recognize that when ethoxylating a zwitterionic polyamine, only an average number or statistical distribution of alkyleneoxy units will be known. x values highlighted represent average values per polyalkoxy chain.
  • the range of alkyleneoxy units within the zwitterionic polyamine is plus or minus two units, more preferably plus or minus one unit. Most preferably each R group comprises about the same average number of alkyleneoxy units.
  • R3 anionic units include -(CH2)pCO2M; -(CH2)qSO3M; - (CH2)qOS03M ; -(CH2)qCH(SO2M)-CH2SO3M ; -(CH2)qCH(OS02M)CH2OSO3M; - (CH2)qCH(SO3M)CH2SO3M; -(CH2)pP03M; -P03M ; -S03M and mixtures thereof; wherein M is hydrogen or a water soluble cation in sufficient amount to satisfy charge balance.
  • Preferred anionic units are -(CH2)pC02M; -S03M, more preferably -S03M (sulfonate group).
  • indices p and q are integers from 0 to 6, preferably 0 to 2, most preferably 0.
  • all M units can either be a hydrogen atom or a cation depending upon the form isolated by the artisan or the relative pH of the system wherein the compound is used.
  • preferred cations include sodium, potassium, ammonium, and mixtures thereof.
  • Q is a quaternizing unit selected from the group consisting of C1-C30 linear or branched alkyl, C6-C30 cycloalkyl, C7-C30 substituted or unsubstituted alkylenearyl, and mixtures thereof, preferably C1-C30 linear or branched alkyl, even more preferably C1-C10 or even C1-C5 linear or branched alkyl, most preferably methyl; the degree of quaternization preferably is more than 50%, more preferably more than 70%, even more preferably more than 90%, most preferably about 100%.
  • X is an anion present in sufficient amount to provide electronic neutrality, preferably a water soluble anion selected from the group consisting of chlorine, bromine, iodine, methylsulfate, and mixtures thereof, more preferably chloride.
  • the counter ion X will be derived from the unit which is used to perform the quaternization. For example, if methyl chloride is used as the quaternizing agent, chlorine (chloride ion) will be the counter ion X. Bromine (bromide ion) will be the dominant counter ion in the case where benzyl bromide is the quaternizing reagent.
  • R3 groups Preferably from about 10% to about 100%, more preferably from about 20% to about 70%, even more preferably from 30% to about 50%, most preferably from about 35% to about 45% of the R3 groups are an anionic unit, preferably a sulfonate unit, the remaining R3 units being hydrogen.
  • Most preferred compound is the zwitterionic hexamethylene diamine represented by the following formula: in which approximately 40% of the polyethoxy groups are sulfonated, the remaining polyethoxy groups being hydrogen capped.
  • the degree of quaternization preferably is more than 90%, most preferably about 100%.
  • the water soluble counter-anion is selected from the group consisting of chlorine, bromine, iodine, methylsulfate, and mixtures thereof, more preferably chloride.
  • the presence of the zwitterionic polyamine is preferred to provide improved cleaning benefit whilst still providing a less harsh treatment composition.
  • the liquid laundry treatment composition may have a pH between 6 and 10, more preferably between 7 and 9, most preferably between 7.5 and 8.5.
  • the laundry treatment composition may comprise but preferably is free of enzymes and bleaching compounds. This is preferred to allow for a less harsh treatment composition.
  • the laundry treatment composition may comprise adjunct materials selected from the group of dyes, opacifiers, pearlescent agents, preservatives, antioxidants, pH trimming agents, organic solvents, rheology control agents, dye transfer inhibitors, brighteners, perfume materials, silicone suds suppressors, or a mixture thereof.
  • the composition may be Newtonian or non-Newtonian.
  • the composition preferably has a viscosity of from 1 mPa ⁇ s to 30 mPa ⁇ s, more preferably from 10 mPa.s to 25 mPa.s at 20°C, as measured using the method defined herein
  • the composition of the invention can be a shear thinning fluid.
  • shear thinning compositions having a high shear viscosity at 20°C of from 1 mPa ⁇ s to 40 mPa ⁇ s, preferably of from 10 mPa.s to 30 mPa.s at 1,000 s -1 , and a low shear viscosity at 20°C of from 100 mPa ⁇ s to 1000 mPa ⁇ s, preferably of from 200 mPa.s to 500 mPa.s at 0.1 s -1 , as measured using the method defined herein.
  • the rheology profile is measured using a "TA instruments DHR1" rheometer, with a flat steel Peltier plate and a 60mm, 2.026° cone plate geometry (TA instruments, serial number: SN960912).
  • the flow curve procedure includes a conditioning step and a flow sweep step at 20°C.
  • the conditioning step comprises a 10 seconds soaking step at 20°C, followed by a 10 seconds pre-shear step at 10 s -1 at 20°C, followed by a 30 seconds zero shear equilibration step 20°C.
  • the flow sweep step comprises a logarithmical shear rate increase from 0.01 s -1 to 3,000 s -1 at 20°C, with a 10 points per decade acquisition rate, a maximum equilibration time of 200 seconds, a sample period of 15 seconds and a tolerance of 3%.
  • the high shear viscosity is defined at a shear rate of 1,000 s -1 , and the low shear viscosity at a shear rate of 0.1 s -1 .
  • the shear rate at 1,000 s -1 is recorded.
  • the laundry treatment composition comprises a polysaccharide rheology modifier or a mixture thereof, preferably a cationic polysaccharide, as described herein.
  • the non-soap surfactant comprises non-ionic surfactant and the non-soap surfactant comprises between 50% and 100%, preferably between 70% and 100%, more preferably between 80% and 100%, even more preferably between 90% and 100%, most preferably about 100% by weight of the non-soap surfactant of the non-ionic surfactant.
  • the non-ionic surfactant is selected from an alcohol alkoxylate nonionic surfactant preferably selected from natural or olefin derived fatty alcohol alkoxylate, an oxo-synthesised fatty alcohol alkoxylate, Guerbet fatty alcohol alkoxylates, alkyl phenol alcohol alkoxylates or a mixture thereof.
  • an alcohol alkoxylate nonionic surfactant preferably selected from natural or olefin derived fatty alcohol alkoxylate, an oxo-synthesised fatty alcohol alkoxylate, Guerbet fatty alcohol alkoxylates, alkyl phenol alcohol alkoxylates or a mixture thereof.
  • the alcohol alkoxylate, or a mixture thereof preferably has an average degree of alkoxylation of between 0.5 and 10, preferably between 1 and 9, more preferably between 3 and 8, more preferably a degree of ethoxylation of between 0.5 and 10, preferably between 1 and 9, more preferably between 3 and 8, most preferably between 5 and 8 or even from about 7 to about 8.
  • the alcohol alkoxylate, or a mixture thereof has an average alkyl chain length of between 8 and 18, preferably between 10 and 16, more preferably between 12 and 15.
  • the non-ionic surfactant comprises a mixture of alcohol ethoxylate surfactants, especially a mixture of a mid cut and a high cut alcohol ethoxylate with an average degree of ethoxylation of the mid cut and high cut alcohol ethoxylates of from 7 to 8.
  • the mid cut alcohol ethoxylate is defined as having an average carbon chain length of from 12 to 14
  • the high cut alcohol ethoxylate is defined as having an average carbon chain length of from 14 to 15.
  • the mid cut and high cut alcohol ethoxylate preferably are in a weight ratio of from 80:20 to 20:80, preferably 60:40 to 40:60.
  • the liquid laundry treatment composition may comprise a non-soap anionic surfactant, preferably wherein the non-soap surfactant comprises less than 50%, preferably less than 30%, more preferably less than 20%, even more preferably less than 10%, most preferably less than 5% by weight of the non-soap surfactant of the non-soap anionic surfactant.
  • the anionic surfactant may comprise a sulphate or a sulphonate anionic surfactant or a mixture thereof, preferably linear alkylbenzene sulphonate, alkyl sulphate, alkoxylated alkyl sulphate or a mixture thereof.
  • the non-soap anionic surfactant comprises a mixture of alkoxylated alkyl sulphate and linear alkylbenzene sulphonate, even more preferably the alkoxylated alkyl sulphate is an ethoxylated alkyl sulphate.
  • the ethoxylated alkyl sulphate may have an average degree of ethoxylation between 1 and 5, preferably between 2 and 4, most preferably 3, and an average alkyl chain length of between 8 and 18, more preferably between 10 and 16, most preferably between 12 and 14.
  • the weight ratio of alkoxylated alkyl sulphate to linear alkylbenzene sulphonate is between 100:0 and 50:50, more preferably between 90:10 and 60:40, most preferably between 85:15 and 70:30.
  • the non-soap surfactant may comprise between 80% and 100% preferably between 90% and 100% or even between 95% and 100% preferably about 100% by weight of the non-soap surfactant of the nonionic surfactant, or anionic surfactant non-ionic surfactant mixture.
  • the non-soap surfactant system according to the invention is believed to provide the correct balance of acceptable level of foam creation and easiness of rinsing in order to prevent detergent residues on fabrics, cleaning efficacy and minimizing harshness to fabrics.
  • a further aspect of the present invention is a process of treating at least one garment comprising the steps of;
  • Example 1 The impact of a full nonionic surfactant system according to the invention (Example 1), compared to an anionic based surfactant system outside the scope of the invention (Comparative example 1) has been assessed on its ability to control spray dispersion.
  • Formula compositions Wt% (100% active) Comparative Example 1 (anionic surfactant)
  • Example 1 full nonionic surfactant
  • Citric Acid 1.47 1.47 HLAS 1.25 - C24 EO7 nonionic surfactant - 3.1 C45 EO7 nonionic surfactant - 3.1 Na-salt of Diethylene triamine pentamethylphosphonic acid (DTPMP) - chelant 0.11 0.11 Palm Kernel Fatty Acid 1.88 1.88 zwitterionic polyamine (Lutensit Z96 ex BASF) 0.14 0.14 C24 AE3S anionic surfactant 4.95 - FWA36 0.001 0.001 Perfume 0.
  • a spray bottle is placed on a bench at a distance of 20cm between the front exit of the nozzle and the spraying target.
  • the spraying target is a vertical positioned plastic slide used for laser printing (003R98203 - XEROX A3 TRANSPARENCY - PET material), collecting one single spray of detergent composition.
  • An image of the spray pattern is achieved through scanning the sprayed-on plastic slide using a Xerox A3 scanner (Xerox® DocuMate® 4830). The image is consequently analyzed for number of liquid particles (at a lower size threshold for smaller particles of 0.01mm), using publicly available ImageJ Java-based image analysis software developed at the National Institutes of Health. 2 identical spray bottles were used to test the example 1 versus the comparative example formulations. The average values of two replicates are reported.
  • Example 1 The below table summarizes the analyzed spray patterns of the anionic surfactant based surfactant system outside the scope of the invention (Comparative Example 1), compared to a full nonionic surfactant system according to the invention (Example 1). It can clearly be seen that an anionic based surfactant system (Comparative Example 1) leads to more broadly dispersed hence less controlled spray pattern compared to the full nonionic (Example 1) formulation, as supported by a higher number of sprayed particles due to a lower degree of spray particle merging at the sprayed object in the condensed central spray area. # of sprayed particles Comparative Example 1 Example 1 Spray bottle 1740 1056

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Detergent Compositions (AREA)
EP18166904.5A 2017-06-13 2018-04-11 Verbraucherprodukt Active EP3418370B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/US2018/036995 WO2018231751A1 (en) 2017-06-13 2018-06-12 Consumer product
US16/005,906 US20180355294A1 (en) 2017-06-13 2018-06-12 Consumer product

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17175834 2017-06-13

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EP3418370A1 true EP3418370A1 (de) 2018-12-26
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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS621799A (ja) * 1985-06-27 1987-01-07 ライオン株式会社 泡沫生成エアゾ−ル組成物
US4954286A (en) * 1988-04-14 1990-09-04 Lever Brothers Company Fabric pretreatment cleaning compositions
WO1997020913A1 (en) * 1995-12-07 1997-06-12 The Procter & Gamble Company Reduced respiratory irritation spray bleaching compositions
EP0839905A1 (de) * 1996-11-05 1998-05-06 The Procter & Gamble Company Enzymhaltige Schaum-Reinigungsmittel-Zusammensetzung
EP1122302A1 (de) * 2000-01-31 2001-08-08 Henkel Kommanditgesellschaft auf Aktien Behandlung von Schmutz auf Textilien
WO2002040624A1 (en) * 2000-11-16 2002-05-23 The Procter & Gamble Company Fabric color care method
GB2395526A (en) * 2002-09-13 2004-05-26 Bissell Homecare Inc Manual spray cleaner
US20070021316A1 (en) * 2005-07-22 2007-01-25 Dilley Colin M Cleaner composition, article and method
WO2009146275A1 (en) * 2008-05-28 2009-12-03 The Procter & Gamble Company Fabric softening laundry detergents with good stability

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS621799A (ja) * 1985-06-27 1987-01-07 ライオン株式会社 泡沫生成エアゾ−ル組成物
JPH0631437B2 (ja) * 1985-06-27 1994-04-27 ライオン株式会社 泡沫生成エアゾ−ル組成物
US4954286A (en) * 1988-04-14 1990-09-04 Lever Brothers Company Fabric pretreatment cleaning compositions
WO1997020913A1 (en) * 1995-12-07 1997-06-12 The Procter & Gamble Company Reduced respiratory irritation spray bleaching compositions
EP0839905A1 (de) * 1996-11-05 1998-05-06 The Procter & Gamble Company Enzymhaltige Schaum-Reinigungsmittel-Zusammensetzung
EP1122302A1 (de) * 2000-01-31 2001-08-08 Henkel Kommanditgesellschaft auf Aktien Behandlung von Schmutz auf Textilien
WO2002040624A1 (en) * 2000-11-16 2002-05-23 The Procter & Gamble Company Fabric color care method
GB2395526A (en) * 2002-09-13 2004-05-26 Bissell Homecare Inc Manual spray cleaner
US20070021316A1 (en) * 2005-07-22 2007-01-25 Dilley Colin M Cleaner composition, article and method
WO2009146275A1 (en) * 2008-05-28 2009-12-03 The Procter & Gamble Company Fabric softening laundry detergents with good stability

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Week 198707, 1987 Derwent World Patents Index; AN 1987-045576, XP002786232 *

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