EP3158046A1 - Compositions de traitement de taches - Google Patents

Compositions de traitement de taches

Info

Publication number
EP3158046A1
EP3158046A1 EP15729808.4A EP15729808A EP3158046A1 EP 3158046 A1 EP3158046 A1 EP 3158046A1 EP 15729808 A EP15729808 A EP 15729808A EP 3158046 A1 EP3158046 A1 EP 3158046A1
Authority
EP
European Patent Office
Prior art keywords
composition
stain
arginine
stain removal
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
EP15729808.4A
Other languages
German (de)
English (en)
Other versions
EP3158046B1 (fr
Inventor
Ravine Anthony Gungabissoon
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.)
Unilever PLC
Unilever NV
Original Assignee
Unilever PLC
Unilever NV
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 Unilever PLC, Unilever NV filed Critical Unilever PLC
Publication of EP3158046A1 publication Critical patent/EP3158046A1/fr
Application granted granted Critical
Publication of EP3158046B1 publication Critical patent/EP3158046B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • C11D3/26—Organic compounds containing nitrogen
    • 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
    • C11D3/30—Amines; Substituted amines ; Quaternized amines
    • 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
    • C11D3/33—Amino carboxylic acids

Definitions

  • This invention relates to stain removal compositions for ambient-active stains.
  • the objective of the invention is the removal of stains from stained substrates.
  • US3707505 discloses an enzyme-bearing detergent compositions which are enhanced in terms of enzyme storage stability by the presence of N-Acyl amino acid and its salts and esters, the N-acyl group being the radical of a fatty acid having 6-20 carbon atoms.
  • Example 10 describes a liquid washing detergent obtained by adding 0.1 g of protease and 1 g. of amylase to a mixture of 15g. of lauryl alcohol ether sulphate, 10g. of alkylamide of coconut fatty acid, 5 g. of ethyl alcohol and 2g. of N-myristoyl-L-arginine butyl ester lactate.
  • the present invention provides a stain removal composition comprising an arginine ester compound and a surfactant.
  • the arginine ester compound comprises an arginine alkyl ester, more preferably the compound is arginine methyl ester or arginine ethyl ester or any combination thereof.
  • the invention provides a method for removing a stain from a stained substrate fabric, comprising the step of applying to the stain, the stain removal composition of the first aspect of the invention.
  • the invention provides a pre-treatment device comprising (i) a storage chamber storing the stain removal composition of the first aspect of the invention and a (i) dispenser for applying said composition to a stain on a substrate, the pre-treatment device preferably being suitable for use in the method of the second aspect.
  • the invention provides use of an arginine alkyl ester compound, preferably in combination with a surfactant, in the removal of stains from a stained substrate.
  • an arginine alkyl ester compound preferably in combination with a surfactant, in the removal of stains from a stained substrate.
  • the removal of stains at low temperatures is radically improved and so offers cost effective improved household e.g. laundry cleaning in regions where ambient washing occurs out of habit or necessity. Improved washing performance at lower temperatures is generally desirable but increased low temperature performance may also help inhibit the adoption of hot water washing in these countries, a rising trend as standards of living increase and more people are able to afford substrate washing machines.
  • the invention provides stain removal performance of soil and/or stains in an ambient temperature cleaning processes (with low temperature wash liquor) without serious consideration to the temperature sensitivity of ingredients during storage.
  • the formulation can therefore be designed more freely, on the basis of other considerations.
  • substrate includes fabric, and clothing and other surfaces such as cutlery, crockery and other domestic hard surfaces.
  • arginine ester compound and “arginine alkyl ester compound” is intended to include any suitable compound, including stereoisomeric and racemic forms, derivatives, and substituted derivative and mixtures thereof.
  • ambient-active is intended to mean less than 25 degrees Celcius and preferably 22 degrees Celcius or less, more preferably 15 degrees or less but always greater than 1 degree Celcius and "active" means effective in achieving stain removal.
  • stain removal is means removal as measured in terms of Remission units or a Remission index. For a visible (by the human eye) effect, effective stain removal is represented by remission equal to or greater than 2 Remission units and preferably greater or equal to 5 units.
  • wt% means “% by weight”. Unless specified otherwise, all percentages mentioned herein are by weight calculated relative to the total composition.
  • the stain may comprise biological material such as fat, oil, blood, starch and
  • the method of the invention preferably comprises an aqueous washing process.
  • the method comprises the step of adding water to the composition to form an aqueous wash liquor
  • the method comprises localised application of the composition to a stain or stained area of the substrate.
  • the method may be pre-treatment method, and be followed by a subsequent aqueous washing step. Pre-treatment steps may take place without further addition of any water (beyond any contained in the composition).
  • the pre-treatment process may comprise the step of soaking the substrate in an aqueous solution to which the treatment composition has been added.
  • the pre-treatment process may comprise the step of applying the
  • composition by spraying, brushing, rubbing or scrubbing etc.
  • the second step of the method of the invention may be a 'main' wash and may be a manual washing process and/or a washing process in a washing machine.
  • the second step may use any suitable detergent composition.
  • this detergent composition comprises one or more surfactants and/or other functional ingredients, adjuncts etc. as described below.
  • subsequent steps may not require further application of the arginine alkyl ester compound.
  • the washing process of the invention is less than 90 minutes in duration, more preferably less than 60 minutes and most preferably less than 30 minutes.
  • the pre-treatment step is preferably less than 5 minutes, and more preferably less than 2 minutes.
  • the arginine alkyl ester compound is present in wash liquor in a concentration in the range 0.01 mg/ml - 10mg/ml and more preferably in the range 0.31 mg/ml - 0.62mg/ml.
  • concentration of the arginine methyl/ethyl ester compound in the wash liquor is in the range 0.15mg/ml to 10mg/ml.
  • the arginine alkyl ester compound is present in any composition of the invention in a concentration in the range 40 mg - 5000 mg per dose, preferable 320mg - 4000 mg per dose.
  • the composition may be provided as a single dose format or as multiple dose, free flowing format (powder, liquid, gel, paste etc) which is measured out by the consumer using a dosing device.
  • the dose may range from 10 ml to 100ml.
  • the wash liquor has a pH in the range 4 - 9.5.
  • the pre-treatment device may be by any suitable device such as roll-on applicator or tube, sprays, aerosols, pastes, a pump-operated dispenser or stain treatment pen or brush or the like.
  • the pre-treatment device may comprise a scrubbing member having brush, bristles, tufts, projections, embossments etc or any combination thereof to further aid application of the detergent composition to a substrate.
  • the treatment composition is ambient-active. Accordingly, the temperature of the wash liquor step of aqueous washing process is therefore less than 40 °C and preferably less than 30°C and more preferably less than 25°C and more preferably less than or equal to 22°C further more preferably 15°C or less at all times during the washing but excluding drying. Encouraging low temperature wash liquor is advantageous environmentally and financially.
  • the treatment composition of the invention and/or any detergent composition used subsequently may comprise any of the following ingredients.
  • the surfactant may be a synthetic surfactant or a biosurfactant which is mircrobially synthesized e.g. from bacteria, fungi or other microbe.
  • the biosurfactant preferably comprises a microbially-derived biosurfactant.
  • it comprises a glycolipid biosurfactant which may be a rhamnolipid or sophorolipid or trehalolipid or a
  • the biosurfactant may advantageously comprise a cellobiose, peptide based biosurfactants, lipoproteins and lipopeptides e.g. surfactin, fatty acids e.g. corynomucolic acids (preferably with hydrocarbon chain C12- C14) , phospholipids e.g.
  • Phosphatidylethanolamine produced by Rhodococcus erythropolis grown on n-alkane resulted in the lowering of interfacial tension between water and hexadecane to less than 1 mN m-1 and CMC of 30 mg L-1 (Kretschner et al., 1982) and Spiculisporic acid; polymeric biosurfactants including emulsan, liposan, mannoprotein and polysaccharide-protein complexes.
  • the biosurfactant comprises a rhamnolipid.
  • the surfactant may be present by weight in the compositions at a level of from 3 to 85% by weight, preferably from 3 to 60% by weight, more preferably from 3 to 40% by weight, most preferably from 3 to 35% by weight.
  • the anionic surfactant is present at a level of from 0.1 to 95% by weight, preferably from 1 to 50% by weight, more preferably from 1.5 to 25% by weight based on total weight of surfactants present.
  • the surfactant is an anionic surfactant.
  • Anionic surfactants are defined herein as amphiphilic molecules comprising one or more functional groups that exhibit a net anionic charge when in aqueous solution at the normal wash pH of between 6 and 1 1.
  • Preferred anionic biosurfactants are rhamnolipds and lactonic forms of sophorolipids. Biosurfactants which are not expressed biologically in anionic form but have been modified to provide/improve anionic properties are included in the invention.
  • Preferred synthetic anionic surfactants are the alkali metal salts of organic sulphur reaction products having in their molecular structure an alkyl radical containing from about 6 to 24 carbon atoms and a radical selected from the group consisting of sulphonic and sulphuric acid ester radicals.
  • any anionic surfactant hereinafter described can be used, such as alkyl ether sulphates, soaps, fatty acid ester sulphonates, alkyl benzene sulphonates,
  • sulphosuccinate esters primary alkyl sulphates, olefin sulphonates, paraffin sulphonates and organic phosphate
  • preferred anionic surfactants are the alkali and alkaline earth metal salts of fatty acid carboxylates, fatty alcohol sulphates, preferably primary alkyl sulfates, more preferably they are ethoxylated, for example alkyl ether sulfates; and alkylbenzene sulfonates or mixtures thereof.
  • Amphoteric surfactants and/or zwitterionic surfactants may be present in the
  • compositions according to the invention are amphoteric.
  • the pH of the wash liquor is preferably of between 6 and 10.
  • an amphoteric or zwitterionic surfactant is present at a level of from 0.1 to 20% by weight, more preferably from 0.25 to 15% by weight, even more preferably from 0.5 to 10% by weight.
  • Suitable zwitterionic surfactants are exemplified as those which can be broadly described as derivatives of aliphatic quaternary ammonium, sulfonium and phosphonium
  • Ri contains an alkyl, alkenyl or hydroxyalkyl group with 8 to 18 carbon atoms, from 0 to 10 ethylene-oxy groups or from 0 to 2 glyceryl units;
  • Y is a nitrogen, sulfur or phosphorous atom;
  • R2 is an alkyl or hydroxyalkyl group with 1 to 3 carbon atoms;
  • x is 1 when Y is a sulfur atom and 2 when Y is a nitrogen or phosphorous atom;
  • R3 is an alkyl or hydroxyalkyl group with 1 to 5 carbon atoms and Z is a radical selected from the group consisting of sulfate, sulfonate, carboxylate, phosphate or phosphonate.
  • Preferred amphoteric surfactants are amine oxides, for example coco dimethyl amine oxide.
  • Preferred zwitterionic surfactants are betaines, and especially amidobetaines.
  • Preferred betaines are Cs to C18 alkyl amidoalkyl betaines, for example coco amido betaine. These may be included as co-surfactants, preferably present in an amount of from 0 to 10 wt %, more preferably 1 to 5 wt %, based on the weight of the total composition.
  • Preferred amphoteric or zwitterionic surfactants for incorporation in the composition according to the present invention are betaine surfactants. Examples of these are mentioned in the following list.
  • the sulfatobetaines such as 3-(dodecyldimethylammonium)-1 -propane sulfate; and 2- (cocodimethylammonium)-l -ethane sulfate.
  • the sulfobetaines such as: 3-(dodecyldimethyl-ammonium)-2-hydroxy-1 -propane sulfonate; 3-(tetradecyl-dimethylammonium)-1 -propane sulfonate; 3-(Ci2-Ci 4 alkyl- amidopropyldimethylammonium)-2-hydroxy-1 -propane sulfonate; and 3- (cocodimethylammonium)-l -propane sulfonate.
  • carboxybetaines such as (dodecyldimethylammonium) acetate (also known as lauryl betaine); (tetradecyldimethylammonium) acetate (also known as myristyl betaine);
  • oleyldimethylammonium also known as oleyl betaine
  • the sulfoniumbetaines such as: (dodecyldimethylsulfonium) acetate; and 3- (cocodimethyl-sulfonium)-l -propane sulfonate.
  • the phosphoniumbetaines such as 4-(trimethylphosphonium)-1 -hexadecane sulfonate; 3-(dodecyldimethylphosphonium)-1 -propanesulfonate; and
  • compositions according to the present invention preferably comprise
  • compositions may further comprise, colorants, pearlisers and/or opacifiers, and shading dye.
  • Fluorescent Agents The composition may comprise enzymes.
  • the composition preferably excludes or is at least substantially free of protease and/or amylase.
  • the composition preferably excludes or is at least substantially free of alkyl amides of coconut fatty acid.
  • An exemplary laundry detergent composition is described below, to which arginine alkyl ester compounds can be added.
  • Neodol 25-7 ex. C12-C15 alcohol 7-ethoxylate
  • LAS acid C10-C14 alkyl benzene sulphonic acid
  • Fat soils Violet Dyed Used Frying Fat (CS-46), Coloured Beef Fat (CS-61 )
  • the soiled fabric discs were pre-washed to remove any residual free stain as follows:
  • the soiled fabric was incubated in the pre-treatment solution for 5 mins at room temperature with no agitation. The pre-treatment wash liquor was then removed.
  • the soiled fabric was washed (250 rpm, 1 hour, room
  • the soiled fabrics were washed at 250 rpm for 1 hour at room temperature. After washing, the wash liquor was then removed and fabric washed 4 X 5 mins with 200 ul distilled water on a plate shaker at 250 rpm. The fabric was then left to dry over night at room temperature before scanning. After drying, the stain plates were digitally scanned and their deltaE measured. This value is used to express cleaning effect and is defined as the colour difference between a white cloth and that of the stained cloth after being washed.
  • deltaE [ (AL) 2 + (Aa) 2 + (Ab) 2 ] 1/2
  • AL is a measure of the difference in darkness between the washed and white cloth
  • Aa and Ab are measures for the difference in redness and yellowness respectively between both cloths.
  • arginine alkyl esters can improve the cleaning of fat soiled fabrics in combination with a laundry detergent composition when applied both as both a pre- treatment before the main wash and when included directly in the main wash. Generally, cleaning improvement is dose dependent.

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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)

Abstract

L'invention concerne une composition d'élimination de taches comprenant un alkylester d'arginine.
EP15729808.4A 2014-06-20 2015-06-12 Compositions de traitement de taches Active EP3158046B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14173221 2014-06-20
PCT/EP2015/063233 WO2015193205A1 (fr) 2014-06-20 2015-06-12 Compositions de traitement de taches

Publications (2)

Publication Number Publication Date
EP3158046A1 true EP3158046A1 (fr) 2017-04-26
EP3158046B1 EP3158046B1 (fr) 2018-08-15

Family

ID=50972583

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15729808.4A Active EP3158046B1 (fr) 2014-06-20 2015-06-12 Compositions de traitement de taches

Country Status (5)

Country Link
EP (1) EP3158046B1 (fr)
CN (1) CN106536700B (fr)
BR (1) BR112016029725B1 (fr)
WO (1) WO2015193205A1 (fr)
ZA (1) ZA201608405B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110317684B (zh) * 2018-06-22 2021-05-25 华东师范大学 天然环保无毒的厨房油污清洗剂

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1942236U (de) * 1966-04-27 1966-07-14 Emsdettener Matratzenschoner F Matratzenschonerdecke.
DE1942236A1 (de) * 1969-08-20 1971-03-04 Henkel & Cie Gmbh Eiweissloesende Wasch-,Waschhilfs- und Reinigungsmittel
JPS5014651B1 (fr) * 1969-12-30 1975-05-29
WO1997045510A1 (fr) * 1996-05-30 1997-12-04 Salient Science, Inc. Gel de nettoyage/detergent acide moussant
EP2305785A1 (fr) * 2009-10-02 2011-04-06 Unilever N.V. Utilisation d'un composé carboxylique ou amino en tant qu'aide au nettoyage pour les surfaces dures et procédé de nettoyage desdites surfaces dures

Also Published As

Publication number Publication date
WO2015193205A1 (fr) 2015-12-23
CN106536700A (zh) 2017-03-22
BR112016029725A2 (pt) 2017-08-22
CN106536700B (zh) 2019-03-26
BR112016029725B1 (pt) 2022-05-10
EP3158046B1 (fr) 2018-08-15
ZA201608405B (en) 2019-03-27

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