[go: up one dir, main page]

EP1840198A1 - Composition de blanchissement - Google Patents

Composition de blanchissement Download PDF

Info

Publication number
EP1840198A1
EP1840198A1 EP06251764A EP06251764A EP1840198A1 EP 1840198 A1 EP1840198 A1 EP 1840198A1 EP 06251764 A EP06251764 A EP 06251764A EP 06251764 A EP06251764 A EP 06251764A EP 1840198 A1 EP1840198 A1 EP 1840198A1
Authority
EP
European Patent Office
Prior art keywords
bleaching
composition
periodate
sodium
transition metal
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.)
Withdrawn
Application number
EP06251764A
Other languages
German (de)
English (en)
Inventor
designation of the inventor has not yet been filed The
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
Original Assignee
Unilever PLC
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 filed Critical Unilever PLC
Priority to EP06251764A priority Critical patent/EP1840198A1/fr
Publication of EP1840198A1 publication Critical patent/EP1840198A1/fr
Withdrawn legal-status Critical Current

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
    • C11D3/39—Organic or inorganic per-compounds
    • C11D3/3902—Organic or inorganic per-compounds combined with specific additives
    • C11D3/3905—Bleach activators or bleach catalysts
    • C11D3/3932—Inorganic compounds or complexes
    • 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
    • C11D3/39—Organic or inorganic per-compounds
    • C11D3/3942—Inorganic per-compounds

Definitions

  • the present invention relates to a bleaching composition and use thereof.
  • peroxides in particular sodium percarbonate
  • the present invention concerns the use of periodate in bleaching textile stains.
  • the present invention provides a bleaching composition comprising from 2 and 60 wt % of a surfactant and from 0.01 to 40 wt % of a periodate salt.
  • the present invention provides a method of treating a textile comprising the following steps:
  • the composition may be provided in the form of a granular powder or a pre-treatment form.
  • a pre-treatment form may be a stick or pen for direct application to a textile stain. It is preferred that pre-treatment forms have higher levels of actives, e.g., periodate and transition metal catalyst, than that in a bleaching composition designed for direct dosage to a wash medium.
  • the composition may provided in a liquid format, in particular when the periodate is provided in the absence of a transition metal catalyst.
  • the bleaching compositions according to the present invention may be used for laundry cleaning, hard surface cleaning (including cleaning of lavatories, kitchen work surfaces, floors, mechanical ware washing etc.). As is generally known in the art, bleaching compositions are also employed in waste-water treatment, pulp bleaching during the manufacture of paper, leather manufacture, dye transfer inhibition, food processing, starch bleaching, sterilisation, whitening in oral hygiene preparations and/or contact lens disinfection.
  • the cation to the periodate (IO - 4 ) may be many things for example transition metals, alkaline earth metals, alkali metals and quaternary ammonium compounds such as Me 3 (C 16 )N + , Me(C 8 ) 3 N + , Me 4 N + , Bu 3 (C 16 )N + , Bu 4 N + , Bu 4 N + , (C 16 ) 4 N + , (C 18 ) 2 (CH 3 ) 2 N + , (C 8 -C 18 )(PhCH 2 )(CH 3 ) 2 N + , cationic nitriles, surfactant cations.
  • Preferred cations are alkali metals and in particular sodium [CAS 7790-28-5] and potassium.
  • the composition preferably comprises a transition metal catalyst.
  • transition metal catalysts that may be used including those known to be active in the presence of a peroxide source and those known to be active in the absence of an added peroxide.
  • transition metal catalysts as described in EP 458397 , WO00/12808 , WO02/48301 , WO 03/104234 , and WO04/039934 .
  • the transition metal of the transition metal catalyst is preferably Mn(II)-(III)-(IV)-(V) or Fe (II) - (III) - (IV) - (V).
  • the level of the transition metal catalyst is such that the in-use level is from 0.05 ⁇ M to 50 mM, with preferred in-use levels for domestic laundry operations falling in the range 1 to 100 ⁇ M. Higher levels may be desired and applied in industrial textile bleaching processes.
  • each R is independently selected from: hydrogen, F, Cl, Br, hydroxyl, C1-C4-alkylO-, -NH-CO-H, -NH-CO-C1-C4-alkyl, -NH2, -NH-C1-C4-alkyl, and C1-C4-alkyl;
  • R1 and R2 are independently selected from: C1-C4-alkyl,C6-C10-aryl, and, a group containing a heteroatom capable of coordinating to a transition metal;
  • R3 and R4 are independently selected from hydrogen, C1-C8 alkyl, C1-C8-alkyl-O-C1-C8-alkyl, C1-C8-alkyl-O-C6-C10-aryl, C6-C10-aryl, C1-C8-hydroxyalkyl, and -(CH2) n C(O)OR5 wherein R5 is independently selected from: hydrogen, F, Cl, Br, hydroxy
  • transition metal catalyst is that of a manganese complex which incorporates ligands having structures similar to that of 2,2':6',2"-Terypridine.
  • a preferred example of which is the manganese 2,6-bis(2-pyridyl)-4(lh)-pyridone (terpyridone) complex as show below: Mn (terpyridone) .
  • the transition metal complex preferably is of the general formula (AI): [M a L k X n ]Y m in which:
  • metal halides preferably chlorides
  • Preferred metal chlorides are transition metal chlorides, in particular MnCl 2 , FeCl 3 , CuCl 2 and RuCl 3 .
  • the transition metal chlorides are preferably used in the same concentration range as the transition metal catalysts described above.
  • the metal halides are preferably used instead of a used transition metal catalyst rather than with a transition metal catalyst.
  • the composition comprises between 2 to 60 wt % of a surfactant, most preferably 10 to 30 wt %.
  • a surfactant most preferably 10 to 30 wt %.
  • the nonionic and anionic surfactants of the surfactant system may be chosen from the surfactants described " 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 Manufacturing Confectioners Company or in " Tenside-Taschenbuch", H. Stache, 2nd Edn., Carl Hauser Verlag, 1981 .
  • the surfactants used used are saturated.
  • Suitable nonionic detergent compounds which may be used include, in particular, the reaction products of compounds having a hydrophobic group and a reactive hydrogen atom, for example, aliphatic alcohols, acids, amides or alkyl phenols with alkylene oxides, especially ethylene oxide either alone or with propylene oxide.
  • Specific nonionic detergent compounds are C 6 to C 22 alkyl phenol-ethylene oxide condensates, generally 5 to 25 EO, i.e. 5 to 25 units of ethylene oxide per molecule, and the condensation products of aliphatic C 8 to C 18 primary or secondary linear or branched alcohols with ethylene oxide, generally 5 to 40 EO.
  • Suitable anionic detergent compounds which may be used are usually water-soluble alkali metal salts of organic sulphates and sulphonates having alkyl radicals containing from about 8 to about 22 carbon atoms, the term alkyl being used to include the alkyl portion of higher acyl radicals.
  • suitable synthetic anionic detergent compounds are sodium and potassium alkyl sulphates, especially those obtained by sulphating higher C 8 to C 18 alcohols, produced for example from tallow or coconut oil, sodium and potassium alkyl C 9 to C 20 benzene sulphonates, particularly sodium linear secondary alkyl C 10 to C 15 benzene sulphonates; and sodium alkyl glyceryl ether sulphates, especially those ethers of the higher alcohols derived from tallow or coconut oil and synthetic alcohols derived from petroleum.
  • the preferred anionic detergent compounds are sodium C 11 to C 15 alkyl benzene sulphonates and sodium C 12 to C 18 alkyl sulphates.
  • surfactants such as those described in EP-A-328 177 (Unilever), which show resistance to salting-out, the alkyl polyglycoside surfactants described in EP-A-070 074 , and alkyl monoglycosides.
  • Preferred surfactant systems are mixtures of anionic with nonionic detergent active materials, in particular the groups and examples of anionic and nonionic surfactants pointed out in EP-A-346 995 (Unilever).
  • surfactant system that is a mixture of an alkali metal salt of a C 16 to C 18 primary alcohol sulphate together with a C 12 to C 15 primary alcohol 3 to 7 EO ethoxylate.
  • the nonionic detergent is preferably present in amounts greater than 10%, e.g. 25 to 90 wt % of the surfactant system.
  • Anionic surfactants can be present for example in amounts in the range from about 5% to about 40 wt % of the surfactant system.
  • the bleaching composition in addition to the periodate comprises the balance carriers and adjunct ingredients to 100 wt % of the composition.
  • compositions may be, for example, other surfactants, builders, foam agents, anti-foam agents, solvents, fluorescers, other bleaching agents e.g., peroxides, and enzymes.
  • a builder in particular sodium carbonate.
  • the bleaching composition of the present invention preferably comprises one or more detergency builders.
  • the total amount of detergency builder in the compositions will preferably range from 5 to 80 wt%, more preferably from 10 to 60 wt%.
  • Inorganic builders that may be present include sodium carbonate, if desired in combination with a crystallisation seed for calcium carbonate, as disclosed in GB 1 437 950 (Unilever); crystalline and amorphous aluminosilicates, for example, zeolites as disclosed in GB 1 473 201 (Henkel), amorphous aluminosilicates as disclosed in GB 1 473 202 (Henkel) and mixed crystalline/amorphous aluminosilicates as disclosed in GB 1 470 250 (Procter & Gamble); and layered silicates as disclosed in EP 164 514B (Hoechst).
  • Inorganic phosphate builders for example, sodium orthophosphate, pyrophosphate and tripolyphosphate are also suitable for use with this invention.
  • compositions of the invention preferably contain an alkali metal, preferably sodium, aluminosilicate builder.
  • Sodium aluminosilicates may generally be incorporated in amounts of from 10 to 70% by weight (anhydrous basis), preferably from 25 to 50 wt%.
  • the alkali metal aluminosilicate may be either crystalline or amorphous or mixtures thereof, having the general formula: 0.8-1.5 Na 2 O. Al 2 O 3 . 0.8-6 SiO 2 .
  • the preferred sodium aluminosilicates contain 1.5-3.5 SiO 2 units (in the formula above). Both the amorphous and the crystalline materials can be prepared readily by reaction between sodium silicate and sodium aluminate, as amply described in the literature. Suitable crystalline sodium aluminosilicate ion-exchange detergency builders are described, for example, in GB 1 429 143 (Procter & Gamble). The preferred sodium aluminosilicates of this type are the well-known commercially available zeolites A and X, and mixtures thereof.
  • the zeolite may be the commercially available zeolite 4A now widely used in laundry detergent powders.
  • the zeolite builder incorporated in the compositions of the invention is maximum aluminium zeolite P (zeolite MAP) as described and claimed in EP 384 070A (Unilever).
  • Zeolite MAP is defined as an alkali metal aluminosilicate of the zeolite P type having a silicon to aluminium ratio not exceeding 1.33, preferably within the range of from 0.90 to 1.33, and more preferably within the range of from 0.90 to 1.20.
  • zeolite MAP having a silicon to aluminium ratio not exceeding 1.07, more preferably about 1.00.
  • the calcium binding capacity of zeolite MAP is generally at least 150 mg CaO per g of anhydrous material.
  • Organic builders that may be present include polycarboxylate polymers such as polyacrylates, acrylic/maleic copolymers, and acrylic phosphinates; monomeric polycarboxylates such as citrates, gluconates, oxydisuccinates, glycerol mono-, di and trisuccinates, carboxymethyloxy succinates, carboxymethyloxymalonates, dipicolinates, hydroxyethyliminodiacetates, alkyl- and alkenylmalonates and succinates; and sulphonated fatty acid salts. This list is not intended to be exhaustive.
  • polycarboxylate polymers such as polyacrylates, acrylic/maleic copolymers, and acrylic phosphinates
  • monomeric polycarboxylates such as citrates, gluconates, oxydisuccinates, glycerol mono-, di and trisuccinates, carboxymethyloxy succinates, carboxymethyloxymalonates, dipicolinates, hydroxyethy
  • Especially preferred organic builders are citrates, suitably used in amounts of from 5 to 30 wt%, preferably from 10 to 25 wt%; and acrylic polymers, more especially acrylic/maleic copolymers, suitably used in amounts of from 0.5 to 15 wt%, preferably from 1 to 10 wt%.
  • Builders both inorganic and organic, are preferably present in alkali metal salt, especially sodium salt, form.
  • the bleaching composition composition most preferably comprises a fluorescent agent (optical brightener).
  • fluorescent agents are well known and many such fluorescent agents are available commercially. Usually, these fluorescent agents are supplied and used in the form of their alkali metal salts, for example, the sodium salts.
  • the total amount of the fluorescent agent or agents used in bleaching composition composition is generally from 0.005 to 2 wt %, more preferably 0.01 to 0.1 wt %.
  • Preferred classes of fluorescer are: Di-styryl biphenyl compounds, e.g. Tinopal (Trade Mark) CBS-X, Di-amine stilbene di-sulphonic acid compounds, e.g.
  • Preferred fluorescers are: sodium 2 (4-styryl-3-sulfophenyl)-2H-napthol[1,2-d]trazole, disodium 4,4'-bis ⁇ [(4-anilino-6-(N methyl-N-2 hydroxyethyl) amino 1,3,5-triazin-2-yl)]amino ⁇ stilbene-2-2' disulfonate, disodium 4,4'-bis ⁇ [(4-anilino-6-morpholino-1,3,5-triazin-2-yl)]amino ⁇ stilbene-2-2' disulfonate, and disodium 4,4'-bis(2-sulfoslyryl)biphenyl.
  • the bleaching composition composition comprises a perfume.
  • the perfume is preferably in the range from 0.001 to 3 wt %, most preferably 0.1 to 1 wt %.
  • CTFA Cosmetic, Toiletry and Fragrance Association
  • Bleaching experiments were carried out on stained pieces of cotton cloth in a wash solution that contained a mixture of buffer, periodate, and (where indicated) a transition metal complex.
  • the stains used were BC-1 (tea stain) and a curry.
  • the buffers used were:
  • Bleaching results were obtained for the respective stains by agitation for 30 min at 30 °C. Control experiments were carried out as indicated in the tables below. Bleaching efficacy has also been shown in fully built laundry detergent formulations (both powder and liquid) using a normal 30 minute wash program in a washing machine (data not shown).
  • the bleaching efficacy was measured as a change in colour of the stained cloth, before and after the wash.
  • the change in colour is typically expressed as the ⁇ E value.
  • the value of ⁇ E can be expressed in two different ways, one which is called ⁇ E AW-B which is the difference between a washed, stained cloth and a white, unstained cloth. For these measurements, the smaller the ⁇ E AW-B value, the cleaner the cloth.
  • ⁇ E can be expressed as the difference between a stained cloth, before being washed, and after being washed ( ⁇ E AW-BW ).

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (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)
EP06251764A 2006-03-30 2006-03-30 Composition de blanchissement Withdrawn EP1840198A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06251764A EP1840198A1 (fr) 2006-03-30 2006-03-30 Composition de blanchissement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06251764A EP1840198A1 (fr) 2006-03-30 2006-03-30 Composition de blanchissement

Publications (1)

Publication Number Publication Date
EP1840198A1 true EP1840198A1 (fr) 2007-10-03

Family

ID=36715397

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06251764A Withdrawn EP1840198A1 (fr) 2006-03-30 2006-03-30 Composition de blanchissement

Country Status (1)

Country Link
EP (1) EP1840198A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011104520A3 (fr) * 2010-02-27 2011-12-15 Enviroways Technologies Limited Procédé d'élimination de résidus de chewing-gum sur des substrats

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1586471A (en) * 1976-06-08 1981-03-18 Vickers Ltd Compositions for cleaning surfaces
EP0458397A2 (fr) * 1990-05-21 1991-11-27 Unilever N.V. Activation du blanchiment
EP0542228A1 (fr) * 1991-11-11 1993-05-19 Heinz-Günter Stubinitzky Produit de décapage
WO1996027652A1 (fr) * 1995-03-03 1996-09-12 The Procter & Gamble Company Agents nettoyants a l'hypochlorite reduisant les mauvaises odeurs cutanees
WO1999047632A1 (fr) * 1998-03-13 1999-09-23 Henkel Kommanditgesellschaft Auf Aktien Procede de blanchiment doux de tissus textiles plats
US6015782A (en) * 1995-12-07 2000-01-18 The Procter & Gamble Company Process for manufacturing bleaching compositions
FR2799765A1 (fr) * 1999-10-19 2001-04-20 Chim 92 Solution pour le nettoyage d'ecrans de serigraphie
WO2004039934A1 (fr) * 2002-10-30 2004-05-13 Ciba Specialty Chemicals Holding Inc. Utilisation de composes complexes metalliques en tant que catalyseurs d'oxydation

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1586471A (en) * 1976-06-08 1981-03-18 Vickers Ltd Compositions for cleaning surfaces
EP0458397A2 (fr) * 1990-05-21 1991-11-27 Unilever N.V. Activation du blanchiment
EP0542228A1 (fr) * 1991-11-11 1993-05-19 Heinz-Günter Stubinitzky Produit de décapage
WO1996027652A1 (fr) * 1995-03-03 1996-09-12 The Procter & Gamble Company Agents nettoyants a l'hypochlorite reduisant les mauvaises odeurs cutanees
US6015782A (en) * 1995-12-07 2000-01-18 The Procter & Gamble Company Process for manufacturing bleaching compositions
WO1999047632A1 (fr) * 1998-03-13 1999-09-23 Henkel Kommanditgesellschaft Auf Aktien Procede de blanchiment doux de tissus textiles plats
FR2799765A1 (fr) * 1999-10-19 2001-04-20 Chim 92 Solution pour le nettoyage d'ecrans de serigraphie
WO2004039934A1 (fr) * 2002-10-30 2004-05-13 Ciba Specialty Chemicals Holding Inc. Utilisation de composes complexes metalliques en tant que catalyseurs d'oxydation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011104520A3 (fr) * 2010-02-27 2011-12-15 Enviroways Technologies Limited Procédé d'élimination de résidus de chewing-gum sur des substrats

Similar Documents

Publication Publication Date Title
EP2252678B2 (fr) Compositions de traitement du linge
EP2354214B1 (fr) Taux d'agent tensioactif dans des formulations de colorants
EP2300589B1 (fr) Composition de nuançage
EP2382299B1 (fr) Incorporation de colorant dans une composition détergente de traitement du linge
US4564463A (en) Liquid laundry detergents with improved soil release properties
EP1931758B1 (fr) Elimination de taches
EP1840198A1 (fr) Composition de blanchissement
EP1704218A1 (fr) Composition de detergent a lessive contenant un colorant violet
US20020160925A1 (en) Composition and method for bleaching a substrate
EP0488750B1 (fr) Procédé et composition pour le traitement de textiles
EP2721135B1 (fr) Incorporation d'un colorant dans une composition de lessive granulaire
WO2006133790A1 (fr) Composition de blanchiment
EP2334777B1 (fr) Colorants de substance à l'élasthanne
EP1853691B1 (fr) Compositions blanchissantes
EP2360232A1 (fr) Taux d'agent tensioactif dans des détergents pour la lessive contenant un colorant
SE412598B (sv) Vetskeformig tvettmedelskomposition med kraftig tvetteffekt
EP1147254A1 (fr) Procede et produit pour le traitement de tissus textiles
EP1680493B1 (fr) Compositions de blanchiment a base de rouge alimentaire
ZA200308595B (en) Laundry treatment composition.
DK146324B (da) Partikelformet, phosphatfrit tekstilvaskemiddel
EP2331670B1 (fr) Colorants cationiques à l'isothiazolium
EP2521764B1 (fr) Formulation de détergent contenant des granules séchées par atomisation
US20080045440A1 (en) Anti-Malodour Composition
WO2003104377A1 (fr) Perfectionnements apportes a des catalyseurs de blanchiment
JPH11269498A (ja) リネンサプライ用高密度粒状洗剤組成物及びその製造方法

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR MK YU

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20070731