EP2917318B1 - Composition et procédé pour traiter des substrats - Google Patents

Composition et procédé pour traiter des substrats Download PDF

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Publication number
EP2917318B1
EP2917318B1 EP13788924.2A EP13788924A EP2917318B1 EP 2917318 B1 EP2917318 B1 EP 2917318B1 EP 13788924 A EP13788924 A EP 13788924A EP 2917318 B1 EP2917318 B1 EP 2917318B1
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EP
European Patent Office
Prior art keywords
comp
composition
weight
composition according
surfactant
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EP13788924.2A
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German (de)
English (en)
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EP2917318A1 (fr
Inventor
Kingshuk Dutta
Aravindakshan Perincheery
Amitava Pramanik
Arpita Sarkar
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Unilever PLC
Unilever NV
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Unilever PLC
Unilever NV
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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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/38—Cationic compounds
    • C11D1/65—Mixtures of anionic with cationic 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
    • C11D1/38—Cationic compounds
    • C11D1/65—Mixtures of anionic with cationic compounds
    • C11D1/652—Mixtures of anionic compounds with carboxylic amides or alkylol amides
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/0005—Other compounding ingredients characterised by their effect
    • C11D3/001—Softening compositions
    • C11D3/0015—Softening compositions liquid
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/0005—Other compounding ingredients characterised by their effect
    • C11D3/0036—Soil deposition preventing compositions; Antiredeposition agents
    • 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
    • C11D3/26—Organic compounds containing nitrogen
    • C11D3/32—Amides; Substituted amides
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3753—Polyvinylalcohol; Ethers or esters thereof
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • 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 relates to a composition and a method for treating substrates, such as fabrics; particularly for improved stain removal and better cleaning upon the subsequent wash and also for reduced re-deposition of dirt.
  • Fabric stains run the gamut from food spills to household substances and can be of different types; mainly aqueous, oily, particulate and bleachable. Stains are something that people try to avoid, yet they are unavoidable. Nonetheless, people still prefer to wear clothes with lesser stains or no stains at all. In fact, people prefer to avoid stains not just on clothes but in general in kitchens, bathrooms and also on various household surfaces.
  • JP09/137378A discloses an antibacterial softener composition
  • a cationic bactericide a salt of an ⁇ -olefinsulfonic acid having 20 or more carbon atoms and/or a salt of a dialkylsulfosuccinic acid where the alkyl group has 16 or more carbon atoms, a wax component and optionally a metal chelating agent for better antibacterial property and texture.
  • JP09/137378A has not been found to provide improved stain removal or better cleaning upon the subsequent wash and reduced re-deposition of dirt.
  • US 2003/0073597 disclose a liquid fabric softener composition comprising anionic and cationic surfactants and optionally amphoteric and/or non-ionic surfactants. But said composition does not provide improved stain removal on the subsequent wash or improved cleaning benefits or reduced re-deposition of dirt.
  • EP 0 388 389 A2 relates to detergent compositions containing hydroxamic acid and their derivates to assist in the removal of stains from fabrics.
  • EP 1 279 724 A1 relates to liquid softener compositions suitable for treatment of clothes and fabrics.
  • Laundry compositions have been disclosed in applications WO2010/ 069957 , WO2011/ 151170 and WO2011/154225 (all by Unilever ). These documents disclose laundry compositions comprising hydroxamate and a surfactant system of anionic and non-ionic surfactants. Similarly, WO2012/062566 (by Unilever ) discloses laundry compositions comprising hydroxamate and a surfactant system of two different types of anionic surfactants. However, these documents have not been found to provide improved aqueous/bleachable, oily and particulate stain removal or better cleaning upon the subsequent wash. Also, the need to reduce or even avoid the re-deposition of removed stains onto the fabric is still desired.
  • aqueous, oily or particulate stain removal and reduced re-deposition of dirt can be achieved by depositing a surfactant complex of an anionic and a cationic surfactant, a non-ionic polymer and a chelating agent onto the fabric.
  • the present invention provides an aqueous composition for treating a substrate, said composition comprising 2-22 % by weight of a surfactant complex, selected from cationic and anionic surfactants, wherein the cationic to anionic surfactant weight ratio is in the range of 1:1 and 6:1; 0.5- 10% by weight of a non-ionic polymer having a molecular weight of less than 50ku and a HLB value in the range of 12.5 and 18 and; 1-7% by weight of a chelating agent, selected from hydroxamates of the formula R- CO - NH - OM wherein, R is an alkyl, aryl or alkylaryl group having 6-20 carbon atoms; and M is hydrogen or an alkali metal.
  • a surfactant complex selected from cationic and anionic surfactants, wherein the cationic to anionic surfactant weight ratio is in the range of 1:1 and 6:1; 0.5- 10% by weight of a non-ionic polymer having a molecular weight of less than
  • the present invention provides a method for treating a substrate comprising the steps in sequence of preparing a 0.05- 1 % by weight solution of the composition according to claims 1 to 8 in water, rinsing the substrate in the prepared solution, and drying the substrate.
  • the present invention provides a method for preparing the composition of the invention comprising the steps in sequence of dispersing the anionic surfactant in a mixture of water and non-ionic polymer, mixing the cationic surfactant into the non-ionic polymer and anionic surfactant mixture, adding the chelating agent to the mixture; and optionally adding a perfume.
  • the present invention provides a bottled rinse conditioner agent comprising the composition according to the invention in a 250 ml to 5 L bottle.
  • next time cleaning benefit the improved cleaning upon the subsequent wash benefit is also referred to as next time cleaning benefit.
  • the present invention provides an aqueous composition for treating a substrate, comprising a surfactant complex selected from cationic and anionic surfactants; a non-ionic polymer and; a chelating agent, selected from hydroxamates of the formula R- CO - NH - OM.
  • a surfactant complex selected from cationic and anionic surfactants
  • a non-ionic polymer and; a chelating agent, selected from hydroxamates of the formula R- CO - NH - OM.
  • the balance of the composition is made up to 100% by weight with water.
  • the surfactant complex of the present invention is a detersive surfactant system comprising surfactants selected from cationic and anionic surfactants.
  • the cationic and anionic surfactants are present in a ratio such that the cationic : anionic surfactant weight ratio is from 1:1 to 6:1, preferably from 2:1 to 6:1.
  • Cationic surfactants are included in the composition for rendering softness to the fabric.
  • the cationic surfactant used herein may be a quaternary ammonium salt of the general formula: R 1 R 2 R 3 R 4 N + X - , wherein
  • X is an anion such as chloride, bromide, iodide, nitrate, sulphate or a methyl or ethyl sulfate.
  • the preferred cationic surfactants of the present invention are esterquats in which partially hardened triethanolamine ester quats are most preferred.
  • Non-limiting examples of the cationic surfactants that can be used according to the present invention include methyl bis[ethyl (tallowate)]-2-hydroxyethyl ammonium methyl sulphate; methyl bis[ethyl (palmate)]-2-hydroxyethyl ammonium methyl sulphate, ditallow dimethyl ammonium chloride; ditallow dimethyl ammonium methyl sulfate; dihexadecyl dimethyl ammonium chloride; di (hydrogenated tallow alkyl) dimethyl ammonium chloride; dioctadecyl dimethyl ammonium chloride; dieicosyl dimethyl ammonium chloride; didocosyl dimethyl ammonium chloride; di (hydrogenated tallow) dimethyl ammonium methyl sulfate; dihexadecyl diethyl ammonium chloride; di(coconut alkyl) dimethyl ammonium chloride.
  • Anionic surfactants are included in the composition for primary cleaning action. Any non-soap anionic surfactant known in the art for use in laundry detergents may be used herein.
  • Preferred anionic surfactants are water-soluble salts, particularly alkali metal, ammonium and alkylolammonium salts of organic sulphur reaction products having in their molecular structure an alkyl group containing from about 10 to 20 carbon atoms and a sulphonic acid or sulphuric acid ester group.
  • Non-limiting examples of the anionic surfactants include any of the common anionic surfactants such as linear or modified, e. g., branched, alkylbenzene sulphonates, alkylpoly(ethoxylates), alkyl sulphates, methyl ester sulphonates, or mixtures thereof.
  • the surfactant complex may be present in a concentration of 2 -22%, preferably not more than 20%, more preferably not more than 15% but preferably not less than 3% by weight of the total composition.
  • the concentration of the surfactant complex is preferably between 3- 20 % by weight of the total composition.
  • composition according to the invention comprises a non-ionic polymer.
  • Non-ionic polymers typically comprise of hydrophilic and lipophilic parts. To define the hydrophilic to lipophilic balance, the HLB value of a polymer is widely used in the art.
  • the polymer is used to stabilise the composition and aid in the deposition of the composition onto the fabric.
  • the composition comprises 0.5 - 10% by weight of the non-ionic polymer, preferably at least 1%, more preferably at least 3% by weight, but typically less than 8% by weight of the composition.
  • concentration is preferably at least 1%.
  • polymer is preferably present in a concentration of from 1 to 10% by weight, more preferably from 1 to 8% by weight of the composition.
  • compositions providing excellent perfume delivery to and extended perfume release from the fabric are obtained when the HLB value is in the range from 12.5 to 18.
  • the best mud cleaning properties are obtained when the HLB value is between 14 and 17, preferably between 15 and 16.
  • the HLB is preferably between 14 and 17.
  • the non-ionic polymer of the invention is preferably selected from homopolymers and copolymers of alkylene oxides, including ethylene oxide and propylene oxide and co-polymers thereof, polypropylene glycols and polyvinyl alcohols, having an HLB value in the range from 12.5 to 18.
  • Ethylene oxide/Propylene oxide block co-polymer and polyvinyl alcohols are the most preferred.
  • poly vinyl alcohol polymers when used, is in a concentration of 1-10% by weight of the composition and have a degree of hydrolysation of at least 75(%), preferably at least 80%, or even at least 85%, but preferably less than 95%. A degree of hydrolysation between 85-91%, or even 87-89% is the most preferred.
  • the molecular mass of the PVA is less than 50ku, preferably between 10ku and 50ku, and most preferably in the range of 12ku and 25ku.
  • "u” is the SI atomic mass unit, also known as amu, Dalton, D or Da.
  • Ethylene oxide/Propylene oxide block co-polymers (commercially available as Pluronic, ex BASF) used in the present invention have a molecular mass of less than 50 ku, preferably between 2.5ku and 25ku, and a PPG block of between 5 and 30%, more preferably 10-25%, or even between 15 and 20% by weight of the polymer.
  • Ethylene oxide/Propylene oxide block co-polymers when used, is in a concentration of 2-10% by weight of the composition and is a triblock co-polymer.
  • the composition phase separates resulting in inferior cleaning, especially of particulate stains.
  • the composition further comprises a chelating agent
  • the chelating agent of the present invention is selected from hydroxamates of the formula: R-CO-NH-OM where, R is an alkyl, aryl or alkylaryl group having 6-20 carbon atoms; and M is hydrogen or an alkali metal.
  • R is preferably hexyl, octyl, decyl, dodecyl, 2-ethylhexyl, oleyl, eicosyl, phenyl, naphthyl or hexylphenyl; and M is lithium, sodium, potassium, rubidium or caesium.
  • the hydroxamate deposited onto the fabric acts by binding to the metal ions that are present in the stains thereby preventing the contact of the stains with the fabric and facilitating easy removal and suspension of the metal ions, such as iron ions from the fabric into the wash liquor and thus reducing re-deposition of dirt onto the fabric.
  • the composition comprises 1-7% by weight of the chelating agent, preferably at least 2%, more preferably at least 3% by weight, but typically not more than 6%, more preferably not more than 5% by weight of the composition.
  • the concentration of the chelating agent is preferably between 1- 6 % by weight of the total composition.
  • composition further comprises a further polymer.
  • methyl cellulose having a methoxy substitution of between 27.5-31.5% by weight of the methyl cellulose and preferably has a degree of substitution (D.S., average number of substituent groups attached to the ring hydroxyls) between 1.5 and 1.9. It is preferred that a 2% solution of the methyl cellulose in water has a viscosity of between 2000 and 6000 mPa.s (at 20°C, measured in a Brookfield viscometer). The composition preferably comprises between 0.1 and 2% by weight of the composition of the methyl cellulose.
  • composition of the present invention is an aqueous composition comprising water.
  • the composition is preferably made upto 100 percent by adding water.
  • the composition typically comprises a perfume, typically between 0.1 and 10% of the total composition, preferably between 0.1 and 5%, or even between 0.3 and 3% of the composition.
  • composition may further comprise softening agents as commonly used in fabric softening compositions, antimicrobial agents, silicone oils and co-solvents like 2-phenoxyethanol (commercially available as ex Dow Chemicals as Dowanol EP-trademark) to improve stability and dispersibility.
  • softening agents as commonly used in fabric softening compositions, antimicrobial agents, silicone oils and co-solvents like 2-phenoxyethanol (commercially available as ex Dow Chemicals as Dowanol EP-trademark) to improve stability and dispersibility.
  • the formulation may optionally contain certain non-ionic surfactants. Any type of non-ionic surfactants may be used. In general, the non-ionic surfactants may be chosen from the surfactants described in 'Surface Active Agents' Vol. 1, by Schwartz & Perry, Interscience 1949 , Vol. 2 by Schwartz, Perry &Berch, Interscience 1958 , in the current edition of 'McCutcheon's Emulsifiers and Detergents' published by Mnufacturing Confectioners Company or in 'Tenside- Taschenbuch', H.Stache, 2nd Edn., Carl Hauser Verlag, 1981 .
  • the invention provides a method for treating a substrate comprising the steps of preparing a 0.05 - 1% by weight solution of the composition of the invention in water, rinsing the substrate in the prepared solution, and drying the substrate.
  • the solution is preferably 0.1 - 0.5% by weight of the composition in water.
  • the solution as dosed to a commercially available front load - horizontal axis - washing machine is typically between 25 and 100 ml of the composition into 12-15 L of rinse water.
  • the dosage is typically 50-150 ml to 50-60 L of rinse water.
  • the invention provides a method for preparing the compositions according to the invention comprising the steps in sequence of dispersing the anionic surfactant in a mixture of water and non-ionic polymer, mixing the cationic surfactant into the non-ionic polymer and anionic surfactant mixture in a mixer at 4000 rpm for 5-10 minutes at 30 °C, adding a chelating agent to the mixture and mixing at 4000 rpm for 5 minutes, and optionally adding a perfume and mixing at 4000 rpm for 2-3 minutes at 30 °C.
  • the product is typically packed in a bottle, preferably a plastic bottle at volumes of between 250 ml and 5 L, more preferably between 250 ml and 1.5 L.
  • a bottle preferably a plastic bottle at volumes of between 250 ml and 5 L, more preferably between 250 ml and 1.5 L.
  • Common supermarket size bottles are 250 ml, 500 ml, 750ml, 1 L and 1.5 L.
  • the bottles may optionally have a measuring cup attached, or a measuring scale indicator in the cap, to enable the consumer to dose the right amount into the rinse conditioner compartment of the washing machine.
  • Trigger spray dispenser bottles typically have a volume of between 250 ml and 1.5 L. Common volumes include 400 ml, 500 ml, 750 ml, and 1 L.
  • Cationic surfactant Methyl bis[ethyl (tallowate)]-2-hydroxyethyl ammonium methyl sulphate - Stepantex ® VT 90( ex Stepan, CAS No. 157905-74-3)
  • Anionic surfactant NaLAS: Prepared by neutralizing LAS acid (96%, LABSA RHODACAL SSA/R) with 40% Sodium carbonate (ex Merck, India) solution and the final pH was set to 10. This mixture was used for all the experiments.
  • Ethylene glycol tetra acetic acid Ethylene glycol-bis( ⁇ -aminoethyl ether)-N,N,N',N'-tetraacetic acid tetrasodium salt (ex Sigma Aldrich, CAS-No. 13368-13-3)
  • Citric acid Sodium citrate dehydrate (ex Sigma Aldrich, CAS-No. 6132-04-3)
  • PAA Poly(acrylic acid) - average Mw ⁇ 1800 (ex Sigma Aldrich, CAS-No. 9003-01-4)
  • Diethylene triamine penta acetic acid Diethylenetriamine-pentaacetic acid pentasodium salt solution (ex Sigma Aldrich, CAS-No. 140-01-2)
  • Nitrilotriacetic acid Nitrilotriacetic acid trisodium salt (ex Sigma Aldrich, CAS-No. 5064-31-3)
  • the anionic surfactant was dispersed in a water and non-ionic polymer mixture.
  • cationic surfactant was added and mixed well in a mixer at 4000 rpm for 5-10 minutes at 30°C.
  • a chelating agent was added to the mixture and mixed at 4000 rpm for 5 minutes, and perfume was added and mixed at 4000 rpm for 2-3 minutes at 30°C. Further ingredients as used in some of the examples were added subsequently.
  • Red mud soiling To 1 L de-ionized water 5 g of red mud (sieved, ⁇ 150 microns) was added and sonicated in a sonication bath for 2 hrs. 0.2 ml of this slurry was dropped onto the fabric which was placed at an inclined plane of 45°. The fabrics were allowed to dry over- night.
  • Tea stain soiling Two tea bags were dipped in 150ml hot milk to make tea. 0.2 ml of this tea was dropped onto the fabric which was placed at an inclined plane of 45°. The fabrics were allowed to dry over-night.
  • DMO stain soiling 50 ml of motor oil was mixed with 50 ml of engine oil to obtain the stain. 0.2 ml of the stain was dropped onto the fabric which was placed at an inclined plane of 45°. The fabrics were allowed to dry over-night.
  • DMO Dirty Motor oil
  • the soiled 10x10 cm 2 swatches were stapled onto one of the ballast shirts (as described in the fabric treatment protocol).
  • Total wash load was 3.5kg comprising of the soiled swatches and the ballast shirts. Washing was done with 30 grams Surf Excel Matic Front Load (ex Hindustan Unilever Ltd, India) at 6°fH. Cotton, poly-cotton and polyester swatches, both treated and untreated, were used for each study.
  • a typical wash cycle comprised of wash and two rinses along with spin. After washing was completed, the swatches were removed and then dried in the drier.
  • 50X50 cm 2 polyester swatches were used for the perfume evaluation study. 5 swatches were treated with each of the test formulation, as described in the examples, in a manner already described. 35 mL of test formulation was used for treatment. As a control, 40g Comfort ® (Blue variant, India) was used. After 2 hours of treatment and drying, the perfume impact of the treated swatches was compared against the control (in this case Comfort treated) on a one to one basis for each set. A score "+” was given in cases where the perfume impact on the treated fabrics appeared greater than that on the control fabrics. Similarly, a score "-" was given in cases where the perfume impact on the treated fabrics appeared lesser than that on the control fabrics. In all the cases, the evaluation was done by trained persons.
  • 100X100 cm 2 terry-towel swatches were used for the softness evaluation study. 5 such swatches were treated with each of the test formulation, as described in the examples, in a manner already described. 35ml of test formulation was used for treatment. After 2 hours of treatment and drying, the softness impact of the treated swatches was compared against the control (in this case Comfort ® ) on a one to one basis for each set. A score "+" was given in cases where the softness impact on the treated fabrics appeared greater than that on the control fabrics. Similarly, a score "-" was given in cases where the softness impact on the treated fabrics appeared lesser than that on the control fabrics. In all the cases, the evaluation was done by trained persons.
  • Ex1 to Ex4 are example compositions according to the present invention which are compared to Comp A and B (Comparative examples) having a cationic to anionic surfactant ratio outside the scope of the present invention.
  • the balance is water.
  • This example demonstrates the effect of different concentrations of hydroxamate in the compositions according to the present invention (Ex17 to Ex20) against a comparative composition (Comp F) having hydroxamate in a concentration outside the claimed range.
  • Set Cationic surfactant wt% Anionic surfactant wt% Cationic to Anionic ratio Surfactant complex wt% Non-ionic polymer (PVA) wt% Hydroxamate wt% Comp F 6 1.2 5 7.2 3 0.6 Ex 17 6 1.2 5 7.2 3 1 Ex 18 6 1.2 5 7.2 3 3 Ex 19 6 1.2 5 7.2 3 5 Ex 20 6 1.2 5 7.2 3 7
  • the balance is water.
  • polymers of the invention having an HLB value within the scope of the present invention are compared to polymers having an HLB value outside the scope of the present invention (Comp G to Comp N).
  • Set Cationic surfactant wt% Anionic surfactant wt% Cationic to Anionic ratio Hydroxamat wt% Polymer type Polymer (HLB) Polymer wt% Stability Ex 21 6 1.2 5 1 PVA 15.5-16.2* 3-5 Yes Ex 22 6 1.2 5 1 Pluronic 16.5* 3-5 Yes Comp G 6 1.2 5 1 EO5 10.5* 3-5 No Comp 6 1.2 5 1 Methyl 10-12 # 3-5 No H cellulose Compl 6 1.2 5 1 PEG 3-5 No Comp J 6 1.2 5 1 PAA 3-5 No Comp K 6 1.2 5 1 NaLAS 3-5 No Comp L 6 1.2 5 1 SCMC >20 # 3-5 No Comp M 6 1.2 5 1 PEI 3-5 No Comp N 6 1.2 5 1 Aliginat e 3-5 No *
  • Example 17 was repeated with polyvinyl alcohol (PVA) polymer having different molecular weights.
  • PVA polyvinyl alcohol
  • compositions below contained 1.2% anionic surfactant, 6% cationic surfactant, and 1% hydroxamate.
  • concentration, molecular weight, HLB and degree of hydrolysis of the polyvinyl alcohol (PVA) polymers are given below.
  • the balance is water.
  • compositions comprise a non-ionic polymer having a molecular weight within the scope of the invention (Ex23).
  • compositions according to the invention are compared to comparative example compositions (Comp U, V, W and X), where the comparative example compositions are devoid of at least one component of the composition.
  • compositions in the following table were compared with each other to demonstrate the results on cleaning properties on various stains, stability and perfume delivery.
  • the compositions were prepared by the method as described above.
  • example compositions of the present invention are superior in DMO cleaning when compared to comparative compositions having base formulation comprising anionic and cationic surfactants alone (Comp U), comparative compositions having base formulation and hydroxamate (Comp V) and comparative compositions having base formulation and PVA or PL (Comp W and Comp X).
  • compositions according to the invention perform better on cotton, polycotton and polyester than any of the combinations with one of the components missing.
  • the table shows that the compositions according to the invention perform better on cotton, polycotton and polyester than any of the combinations with one of the components missing.
  • compositions comprising hydroxamate as the chelating agent in comparison to compositions comprising other chelating agents.
  • Experiments were carried out separately with compositions having PVA as the non-ionic polymer and compositions having PL as the non-ionic polymer.
  • compositions in the following table were compared with each other to demonstrate the performance of the composition on mud stain cleaning.
  • the compositions were prepared by the method as described above.
  • compositions in the following table were compared with each other to demonstrate the performance of the composition on mud stain cleaning.
  • the compositions were prepared by the method as described above.
  • compositions in the following table were compared with each other to demonstrate the results on cleaning properties on various stains, stability and perfume delivery.
  • the compositions were prepared by the method as described above.
  • the surfactant complex of the present invention comprising cationic and anionic surfactants (Ex 24) is compared to surfactant complexes with anionic and non-ionic surfactants (Comp Z2) and surfactant complexes with two anionic surfactants (Comp Z1).
  • compositions in the following table were compared with each other to demonstrate the results on cleaning properties on various stains, stability and perfume delivery.
  • the compositions were prepared by the method as described above.
  • Ingredients (wt %) Surfactant complex Anionic+ Cationic Anionic+ Anionic Anionic + Non-ionic Ex 24
  • Comp Z1 Comp Z2 Anionic surfactant (NaLAS) 1.2 1.2 1.2 Cationic surfactant (Stepantex ® ) 6 0 0 Anionic surfactant (SLES) 0 6 0 Non-ionic polymer (EO5) 0 0 6 Non-ionic polymer (PVA) 3 3 3 3 3 3 3 3 Water 88.8 88.8 88.8 Total 100 100 100
  • Example 24 shows that the composition according to the invention (Ex 24) has a predominantly better DMO cleaning property on cotton, polycotton and polyester than the comparative compositions having surfactant complexes outside the scope of the present invention.
  • Example 24 shows that the composition according to the invention (Ex 24) has a significantly superior tea stain cleaning property on cotton, polycotton and polyester than the comparative compositions having surfactant complexes outside the scope of the present invention.
  • Example 11 Comparison of the composition of the present invention with commercially available fabric conditioner
  • composition of the present invention is compared with the commercially available fabric conditioner Comfort ® (Comp Z3) and Comfort ® + hydroxamate (Comp Z4) (compositions given in the below table) to demonstrate the results on cleaning properties on various stains, stability and perfume delivery.
  • Ingredients wt %) Comp Z3 Comp Z4 Comfort ® 100 99 Hydroxamate 0 1 Total 100 100
  • comparative composition comprising Comfort ® mixed with hydroxamate (Comp Z4) is not a stable composition.
  • Example 24 the composition according to the present invention performs best for tea stain cleaning on cotton, polycotton as well as polyester.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
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Claims (11)

  1. Composition aqueuse destinée au traitement d'un substrat, ladite composition comprenant :
    a de 2 à 22 % en poids d'un complexe de tensioactifs, choisis parmi les tensioactifs cationiques et anioniques, le rapport pondéral des tensioactifs cationiques à anioniques étant dans la plage de 1:1 à 6:1,
    b de 0,5 à 10 % en poids d'un polymère non ionique ayant un poids moléculaire inférieur à 50 ku et un rapport hydro-lipophile dans la plage de 12,5 à 18,
    c de 1 à 7 % en poids d'un agent chélatant, choisi parmi les hydroxamates répondant à la formule R-CO-NH-OM
    formule dans laquelle R représente un groupe alkyle, aryle ou alkylaryle comportant de 6 à 20 atomes de carbone ; et M représente un atome d'hydrogène ou un métal alcalin.
  2. Composition selon la revendication 1, laquelle composition comprend en outre de 0,1 à 2 % en poids de méthylcellulose.
  3. Composition selon l'une quelconque des revendications 1 ou 2, dans laquelle le polymère non ionique est présent en une concentration de 1 à 8 % en poids de la composition totale.
  4. Composition selon l'une quelconque des revendications précédentes, dans laquelle le polymère non ionique est choisi parmi les homopolymères ou les copolymères d'oxydes d'alkylène, de polypropylène glycols ou d'alcools polyvinyliques.
  5. Composition selon l'une quelconque des revendications précédentes, dans laquelle le polymère non ionique est l'alcool polyvinylique (PVA) ou un copolymère séquencé de polypropylène glycol.
  6. Composition selon l'une quelconque des revendications précédentes, dans laquelle le rapport des tensioactifs cationiques à anioniques se situe dans la plage de 2/1 à 6/1.
  7. Composition selon l'une quelconque des revendications précédentes, dans laquelle le complexe de tensioactifs est présent en une concentration de 3 à 20 % en poids de la composition totale.
  8. Composition selon l'une quelconque des revendications précédentes, dans laquelle R est un groupe hexyle, octyle, décyle, dodécyle, 2-éthylhexyle, oléyle, éicosyle, phényle, naphtyle ou hexylphényle ; et M est un atome d'hydrogène, de lithium, de sodium, de potassium, de rubidium ou de césium.
  9. Procédé destiné au traitement d'un substrat comprenant les étapes successives suivantes
    a Préparation d'une solution à 0,05 à 1 % en poids de la composition selon les revendications 1 à 8 dans l'eau,
    b Rinçage du substrat dans la solution préparée et,
    c Séchage du substrat.
  10. Procédé destiné à la préparation de la composition selon l'une quelconque des revendications 1 à 8, comprenant les étapes successives suivantes :
    a Dispersion du tensioactif anionique dans un mélange d'eau et de polymère non ionique,
    b Mélange du cationique tensioactif dans le mélange de polymère non ionique et de tensioactif anionique,
    c Ajout de l'agent chélatant au mélange ; et
    d Ajout facultatif d'un parfum.
  11. Agent de conditionneur de rinçage en bouteille comprenant la composition selon l'une quelconque des revendications 1 à 8 dans une bouteille de 250 ml à 5 I.
EP13788924.2A 2012-11-09 2013-10-30 Composition et procédé pour traiter des substrats Not-in-force EP2917318B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13788924.2A EP2917318B1 (fr) 2012-11-09 2013-10-30 Composition et procédé pour traiter des substrats

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP12191964 2012-11-09
PCT/EP2013/072703 WO2014072214A1 (fr) 2012-11-09 2013-10-30 Composition et procédé pour le traitement de substrats
EP13788924.2A EP2917318B1 (fr) 2012-11-09 2013-10-30 Composition et procédé pour traiter des substrats

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EP2917318A1 EP2917318A1 (fr) 2015-09-16
EP2917318B1 true EP2917318B1 (fr) 2016-12-21

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CN (1) CN104769090B (fr)
BR (1) BR112015009710A2 (fr)
ES (1) ES2620323T3 (fr)
WO (1) WO2014072214A1 (fr)
ZA (1) ZA201502944B (fr)

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CN106191882B (zh) * 2016-08-17 2018-09-21 安徽红桥金属制造有限公司 一种无磷脱脂剂及其制备方法

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GB8906089D0 (en) * 1989-03-16 1989-04-26 Monsanto Europe Sa Improved detergent compositions
JP2951877B2 (ja) 1995-11-17 1999-09-20 花王株式会社 抗菌性柔軟剤組成物
KR20000075955A (ko) * 1997-03-04 2000-12-26 죤 에이치. 뷰센 방향족 술포닐 알파-히드록시 히드록삼산 화합물
MXPA02003348A (es) 1999-10-01 2002-10-04 Unilever Nv Composiciones antitranspirantes comprendiendo microemulsiones.
EP1279724A1 (fr) 2001-07-28 2003-01-29 Clariant International Ltd. Adoucissants liquides
GB0225668D0 (en) * 2002-11-04 2002-12-11 Unilever Plc Laundry detergent composition
PL2358852T3 (pl) 2008-12-17 2019-09-30 Unilever N.V. Kompozycja detergentowa do prania
CN101736580B (zh) * 2009-12-21 2013-08-14 北京绿泽宇和科技有限公司 一种织物保养柔顺剂
WO2011151170A1 (fr) 2010-06-03 2011-12-08 Unilever Nv Composition détergente pour le linge
WO2011154225A1 (fr) 2010-06-10 2011-12-15 Unilever Nv Composition détergente pour lessive
WO2012062566A1 (fr) 2010-11-12 2012-05-18 Unilever Nv Composition détergente de blanchisserie
PL2688995T3 (pl) * 2011-03-22 2017-07-31 Unilever N.V. Sposób czyszczenia prania

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ES2620323T3 (es) 2017-06-28
CN104769090A (zh) 2015-07-08
BR112015009710A2 (pt) 2017-07-04
WO2014072214A1 (fr) 2014-05-15
ZA201502944B (en) 2016-11-30
CN104769090B (zh) 2018-01-02
EP2917318A1 (fr) 2015-09-16

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