WO2007147745A1 - Procédé de lessive à la main - Google Patents

Procédé de lessive à la main Download PDF

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Publication number
WO2007147745A1
WO2007147745A1 PCT/EP2007/055699 EP2007055699W WO2007147745A1 WO 2007147745 A1 WO2007147745 A1 WO 2007147745A1 EP 2007055699 W EP2007055699 W EP 2007055699W WO 2007147745 A1 WO2007147745 A1 WO 2007147745A1
Authority
WO
WIPO (PCT)
Prior art keywords
metal
dyes
complexing
complexing agent
laundry
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2007/055699
Other languages
English (en)
Inventor
Gerhard Merkle
Leonardo Giuseppe Evangelista
Mario Dubini
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.)
BASF Schweiz AG
Original Assignee
Ciba Spezialitaetenchemie Holding AG
Ciba Holding AG
Ciba SC Holding AG
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 Ciba Spezialitaetenchemie Holding AG, Ciba Holding AG, Ciba SC Holding AG filed Critical Ciba Spezialitaetenchemie Holding AG
Publication of WO2007147745A1 publication Critical patent/WO2007147745A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/40—Dyes ; Pigments
    • 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 method for evaluating the effective hand-washing of laundry by using a color indicator system which facilitates indicating to the user the current effective activity, i.e. the actual amount of detergent in a washing liquor available to be delivered onto the laundry substrate.
  • the color indicator system uses metal-complexing agents (dyes) that show an observable change of color upon complexation with selected metal cations.
  • a method of handwashing of laundry which comprises treating the laundry with a washing liquor containing a detergent composition comprising a surfactant and a metal complexing agent as an indicator compound indicating the current effective activity of the washing liquor.
  • the invention provides a detergent composition for a hand-washing process of laundry which comprises a metal-complexing agent in uncomplexed form as an indicator compound indicating the current effective activity of a washing liquor by an observable color change when in contact (being complexed) with certain cations.
  • a metal complexing agent as an indicator compound indicating the current effective activity of the washing liquor in a hand-washing process of laundry.
  • Suitable surfactants useful in compositions for the inventive hand-washing method may be selected from the group consisting of anionic, non-ionic, amphoteric or zwitter-ionic, or cationic surfactants, or mixtures thereof.
  • Suitable anionic surfactants are for example sulfates, for example fatty alcohol sulfates, the alkyl chain of which has from 8 to 18 carbon atoms, for example sulfated lauryl alcohol; - fatty alcohol ether sulfates, for example the acid esters or salts thereof of a polyaddition product of from 2 to 30 mol of ethylene oxide and 1 mol of a C8-C 22 fatty alcohol; alkylamide sulfates; alkylamine sulfates, for example monoethanolamine lauryl sulfate; alkylamide ether sulfates; - alkylaryl polyether sulfates; monoglyceride sulfates; alkanesulfonates, the alkyl chain of which contains from 8 to 20 carbon atoms, for example dodecyl sulfonate; alkylamide sulfonates; - alkylaryl sulfonates; ⁇ -ole
  • ITl 1 is an integer of 1 to 5
  • n is an integer from 6 to 18
  • M is an alkali metal cation or amine cation, alkyl and alkylaryl ether carboxylates of formula
  • X is a radical of formula -(CH 2 ) 5 -i9-O- , or
  • R is hydrogen or d-C 4 alkyl
  • Y is -(CHCHO)I -5 O-
  • A is (CH 2 ) m2 -i-COO-M + or
  • ITi 2 is an integer of 1 to 6 and
  • M is an alkali metal cation or amine cation.
  • anionic surfactants are fatty acid methyl taurides, alkyl isothionates, fatty acid polypeptide condensation products and fatty alcohol phosphoric acid esters.
  • the alkyl radicals occurring in those compounds preferably have from 8 to 24 carbon atoms. - A -
  • the anionic surfactants may be generally in the form of their water-soluble salts, such as the alkali metal, ammonium or amine salts.
  • examples of such salts include lithium, sodium, potassium, ammonium, triethylamine, ethanolamine, diethanolamine and triethanolamine salts.
  • the sodium, potassium or ammonium (NR 1 R 2 RsR 4 ) salts, especially, are used, with R 1 , R 2 , R3 and R 4 each independently of the others being hydrogen, CrC 4 alkyl or CrC 4 hydroxyalkyl.
  • anionic surfactants there may also be used the salts of saturated and unsaturated Ce-C 22 fatty acids either alone or in the form of a mixture with one another or in the form of a mixture with other surfactants mentioned above.
  • fatty acids include, for example, capric, lauric, myristic, palmitic, stearic, arachidic, behenic, caproleic, dodecenoic, tetradecenoic, octadecenoic, oleic, eicosenoic and erucic acid, and the commercial mixtures of such acids, such as, for example, coconut fatty acid.
  • Such acids are present in the form of salts, there coming into consideration as cations alkali metal cations, such as sodium and potassium cations, metal atoms, such as zinc and aluminium atoms, and nitrogen-containing organic compounds of sufficient alkalinity, such as amines and ethoxylated amines.
  • alkali metal cations such as sodium and potassium cations
  • metal atoms such as zinc and aluminium atoms
  • nitrogen-containing organic compounds of sufficient alkalinity such as amines and ethoxylated amines.
  • Such salts may also be prepared in situ.
  • Especially preferred anionic surfactants in the composition according to the invention are monoethanolamine lauryl sulfate or the alkali metal salts of fatty alcohol sulfates, especially sodium lauryl sulfate and the reaction product of from 2 to 4 mol of ethylene oxide and sodium lauryl ether sulfate.
  • Suitable zwitter-ionic and amphoteric surfactants include C ⁇ -C-i ⁇ betaines, C 8 -C 18 sulfobetaines, C 8 -C 24 alkylamido-CrC 4 alkylenebetaines, imidazoline carboxylates, alkylamphocarboxycarboxylic acids, alkylamphocarboxylic acids (e.g. lauroamphoglycinate) and N-alkyl- ⁇ -aminopropionates or -iminodipropionates, with preference being given to C 10 -C 2 oalkylamido-CrC 4 akylenebetaines and especially to coconut fatty acid amide propylbetaine.
  • Nonionic surfactants that may be mentioned include, for example, derivatives of the adducts of propylene oxide/ethylene oxide having a molecular weight of from 1000 to 15 000, fatty alcohol ethoxylates (1-50 EO), alkylphenol polyglycol ethers (1-50 EO), polyglucosides, ethoxylated hydrocarbons, fatty acid glycol partial esters, for example diethylene glycol monostearate, fatty acid alkanolamides and dialkanolamides, fatty acid alkanolamide ethoxylates and fatty amine oxides.
  • Cationic surfactants when utilized in the detergent compositions of the present invention may be selected e.g. from alkoxylate quaternary ammonium compounds, dimethyl-hydroxyethyl quaternary ammonium compounds, polyamine cationic surfactants and cationic ester surfactants (cf. US-A-6'136769, 6O04O22, 6'022'844 and WO 98/35002).
  • Suitable cationic surfactants may also be selected from compounds also known as fabric softening additives such as ditallow dimethyl ammonium chloride, tritallow methyl ammonium chloride, ditallowoyl-oxyethyl dimethyl ammonium chloride, dihydrogenated-tallowoyl- oxyethyl dimethyl ammonium chloride, methyl bis(tallow amido ethyl)-2-hydroxyethyl ammonium methyl sulfate and others; and also mixtures thereof.
  • fabric softening additives such as ditallow dimethyl ammonium chloride, tritallow methyl ammonium chloride, ditallowoyl-oxyethyl dimethyl ammonium chloride, dihydrogenated-tallowoyl- oxyethyl dimethyl ammonium chloride, methyl bis(tallow amido ethyl)-2-hydroxyethyl ammonium methyl sulfate and others; and also mixtures thereof.
  • the surfactants may be present in the detergent compositions in effective amounts known to the artisan.
  • the upper limit may be at about 40% by weight of the composition.
  • Suitable and preferred metal-complexing agents are metal complexing dyes which are used in their uncomplexed form in the detergent compositions. They provide an observable color change when in contact (complexed) with selected cations which are generally those responsible for the hardness of water. Preferablxy they are the cations of alkaline earth metals (e.g. Mg ++ , Ca ++ , Sr ++ , Ba ++ ), rare earth metals (e.g. La +++ ), manganese (e.g.Mn ++ , Mn 4+ ) and iron (e.g. Fe 3+ ), or mixtures thereof.
  • alkaline earth metals e.g. Mg ++ , Ca ++ , Sr ++ , Ba ++
  • rare earth metals e.g. La +++
  • manganese e.g.Mn ++ , Mn 4+
  • iron e.g. Fe 3+
  • the cations are present in form of their salts which may be e.g. the carbonates, hydrogen- carbonates, the sulfates, phosphates, silicates and also some chlorides, nitrates, oxides and hydroxides; futher also the water-insoluble salts (Ca-, Mg-salts) of tensides, comprising e.g. the salts of C6-C 22 -, preferably C ⁇ -C-i ⁇ -fatty acids.
  • their salts may be e.g. the carbonates, hydrogen- carbonates, the sulfates, phosphates, silicates and also some chlorides, nitrates, oxides and hydroxides; futher also the water-insoluble salts (Ca-, Mg-salts) of tensides, comprising e.g. the salts of C6-C 22 -, preferably C ⁇ -C-i ⁇ -fatty acids.
  • indicator compounds which are metal complexing dyes selected from the group consisting of mono-, dis- and tris-azo dyes, nitroso dyes, triphenylmethane dyes (phthaleines and sulfo-phthaleines), xanthenes, thioxanthenes and acridines, or mixtures thereof. These dyes are known compounds which are used e.g. as indicators in complexometric titrations.
  • azo-type dyes are 3-hydroxy-4-(2-hydroxy-4-sulfo-1-naphthylazo)-2- naphthalene carboxylic acid (Calconcarboxylic Acid R ), 3-hydroxy-1-(1-hydroxy-4-methyl-2- phenylazo)-4-naphthalene sulfonic acid (Calmagite R ), 1 ',2-dihydroxy-6-nitro-1 ,2'- azonaphthalene-4-sulfonic acid (Eriochrome R Black T), sodium 1-azo-2-hydroxy-3-(2,4- dimethylcarboxyanilido)naphthalene-1 '-(2-hydroxybenzene-5-sulfonate) (Xylidyl R Blue), 1 ,8-dihydroxy-2-(4-sulfophenylazo)-naphthalene-3,6-disulfonic acid (Azochromotrop R Sulfonic acid) and the tris-azo dye Diamine Green R .
  • a nitroso dye is for example di-sodium-3-hydroxy-4-nitroso-naphthalene-2,7-disulfonate (Nitroso-R-Salt R ).
  • Phthaleines and sulfophthaleines are e.g. 3,3'-dimethyl-phenolphthaleine (o-
  • Cresolphthaleine Cresolphthaleine
  • p-xylenolesulfophthaleine Xylenol Blue R
  • pyrrogallolsulfo-phthaleii Pyrrogallol Red R
  • 3,3',5,5'-tetrabromo-phenolsulfophthaleine Bromophenol Blue R
  • a xanthene dye is fluoresceine-2,7-bis(methyleneimino)-di-acetic acid, di. sodium salt (Calcein R ).
  • ammonium salt of purpuric acid (Murexide R ).
  • the metal-complexing compounds (dyes) may be added to the detergent composition in any suitable form, for example in a solid form like powders, granules, tablets, capsules or combinations of any of thes forms; or in liquid or semi-liquid (gel) form.
  • the metal-complexing dyes show a certain stability so that a controlled relase to the washing liquor is given; on the other hand the carrier material should not unusually retard the desired dissolution/disintegration step to release the needed amount of the complexing dyes.
  • the detergent compositions comprise an effective amount of the metal-complexing dye in its uncomplexed form, preferably from 0.001 to 0.5%, or according to more preferred embodiments from 0.01 to 0.2% or from 0.01 to 0.1 % by weight of the whole composition.
  • uncomlexed means that the metal-complexing dye has not yet interacted with a metal ion to give the desired visual indication.
  • the detergents may generally contain one or more of the following components:
  • inorganic and organic acids like hydrochloric acid, phosphoric acid, citric acid, acetic acid or sulfuric acid, - for basic products inorganic (NaOH or KOH) or organic bases like triethanolamine,
  • - peroxides comprising bleaching activators like TAED, for example sodium perborate, H 2 O 2 or hypochlorite; - enzymes;
  • silicates like silicates, polyphosphates, such as sodium or potassium tripolyphosphate, zeolithes for powdery cleaning agents;
  • FWAs fluorescent whitenting agents
  • photo catalysts dye fixatives
  • the inventive method of hand-washing of laundry may be carried out for example in open washing troughs or corresponding basins at temperatures of about 20 to 50°C, preferably 20 to 35°C.
  • Parts and percentages are by weight, if not otherwise indicated.
  • the temperature is indicated in degrees centigrade.
  • 3g/l of a commercial detergent containing the indicator Calmagite (0.00667% o.w.o.d.) in form of speckles is added to 500 ml of an aqueous solution containing 37.5 mg of CaCO 3 .
  • the color of this washing liquor changes to blue: a indication that the free (undesired) Ca-ions are fully complexed by sodium tripolyphosphate (STPP) or other sequestrants.
  • STPP sodium tripolyphosphate
  • the color of the washing liquor changes to red-violet (indicating free Ca ++ ions), whereas the blue color returns when detergent (containing said indicator) is added.
  • Swatches of cotton fabric are wetted with deionized water, then 50 mg of garden mud was added as homogenously as possible to the swatches.
  • the garden mud is then removed from the surface of the swatches and they are washed with a washing liquor containing a detergent.
  • the washing and rinsing liquors used are free of Ca ++ and Mg ++ ions. After the washing step, the swatches are not completely unsoiled.
  • the washing liquor is depleted (STPP consumption due to water hardness).
  • the color of the washing liquor changes again to blue indicating its full cleaning strength.

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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

La présente invention concerne un procédé de lessive à la main qui comprend de traiter le linge avec un liquide de nettoyage contenant une composition détergente comprenant un tensio-actif et un agent de séquestration métallique en tant que composé indicateur indiquant l'activité courante effective du liquide de nettoyage. Par conséquent, le liquide de nettoyage peut toujours être maintenu à son pouvoir nettoyant optimal de manière à obtenir de bons résultats de lavage.
PCT/EP2007/055699 2006-06-21 2007-06-11 Procédé de lessive à la main Ceased WO2007147745A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP06115817.6 2006-06-21
EP06115817 2006-06-21

Publications (1)

Publication Number Publication Date
WO2007147745A1 true WO2007147745A1 (fr) 2007-12-27

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ID=37397497

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/055699 Ceased WO2007147745A1 (fr) 2006-06-21 2007-06-11 Procédé de lessive à la main

Country Status (2)

Country Link
TW (1) TW200808955A (fr)
WO (1) WO2007147745A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008117235A1 (fr) * 2007-03-26 2008-10-02 The Procter & Gamble Company Système de composition liquide possédant un changement d'indication visuelle
WO2008117233A1 (fr) * 2007-03-26 2008-10-02 The Procter & Gamble Company Système de composition détergente liquide avec changement d'indication visuelle
EP2092048A1 (fr) * 2006-12-20 2009-08-26 Unilever PLC Composition de détergent pour le linge
WO2011051140A1 (fr) * 2009-10-29 2011-05-05 Henkel Ag & Co. Kgaa Lavage au moyen de corps polymères

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1313180A (en) * 1970-09-23 1973-04-11 Unilever Ltd Surface active liquids
DE2532532A1 (de) * 1974-08-06 1976-02-26 Lonza Ag Haushaltsmittel in tablettenform
AT337330B (de) * 1970-11-25 1977-06-27 Dainichiseika Color Chem Netzmittelhaltige mischung und verfahren zu ihrer herstellung
SU1731794A1 (ru) * 1989-12-19 1992-05-07 Научно-производственное объединение "СинтезПАВ" "Жидкое моющее синтетическое средство "Кама" дл стирки тканей"
US5180517A (en) * 1990-11-05 1993-01-19 United States Borax & Chemical Corporation Stabilized liquid persalt bleach compositions
WO2006041739A1 (fr) * 2004-10-04 2006-04-20 The Procter & Gamble Company Composition comprenant un colorant complexant les metaux et un tensioactif

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1313180A (en) * 1970-09-23 1973-04-11 Unilever Ltd Surface active liquids
AT337330B (de) * 1970-11-25 1977-06-27 Dainichiseika Color Chem Netzmittelhaltige mischung und verfahren zu ihrer herstellung
DE2532532A1 (de) * 1974-08-06 1976-02-26 Lonza Ag Haushaltsmittel in tablettenform
SU1731794A1 (ru) * 1989-12-19 1992-05-07 Научно-производственное объединение "СинтезПАВ" "Жидкое моющее синтетическое средство "Кама" дл стирки тканей"
US5180517A (en) * 1990-11-05 1993-01-19 United States Borax & Chemical Corporation Stabilized liquid persalt bleach compositions
WO2006041739A1 (fr) * 2004-10-04 2006-04-20 The Procter & Gamble Company Composition comprenant un colorant complexant les metaux et un tensioactif

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Section Ch Week 199317, Derwent World Patents Index; Class A97, AN 1993-141619, XP002397885 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2092048A1 (fr) * 2006-12-20 2009-08-26 Unilever PLC Composition de détergent pour le linge
WO2008117235A1 (fr) * 2007-03-26 2008-10-02 The Procter & Gamble Company Système de composition liquide possédant un changement d'indication visuelle
WO2008117233A1 (fr) * 2007-03-26 2008-10-02 The Procter & Gamble Company Système de composition détergente liquide avec changement d'indication visuelle
WO2011051140A1 (fr) * 2009-10-29 2011-05-05 Henkel Ag & Co. Kgaa Lavage au moyen de corps polymères

Also Published As

Publication number Publication date
TW200808955A (en) 2008-02-16

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