EP2366012B1 - Améliorations associées aux compositions de traitement de tissu - Google Patents

Améliorations associées aux compositions de traitement de tissu Download PDF

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Publication number
EP2366012B1
EP2366012B1 EP09759950A EP09759950A EP2366012B1 EP 2366012 B1 EP2366012 B1 EP 2366012B1 EP 09759950 A EP09759950 A EP 09759950A EP 09759950 A EP09759950 A EP 09759950A EP 2366012 B1 EP2366012 B1 EP 2366012B1
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EP
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Prior art keywords
powder
composition according
composition
fabric
cationic
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German (de)
English (en)
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EP2366012A1 (fr
Inventor
Mansur Sultan Mohammadi
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Unilever PLC
Unilever NV
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Unilever PLC
Unilever NV
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Priority to EP09759950A priority Critical patent/EP2366012B1/fr
Priority to PL09759950T priority patent/PL2366012T3/pl
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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
    • C11D3/16—Organic compounds
    • C11D3/38—Products with no well-defined composition, e.g. natural products
    • C11D3/382—Vegetable products, e.g. soya meal, wood flour, sawdust
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/22—Carbohydrates or derivatives thereof
    • C11D3/222—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin
    • C11D3/227—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin with nitrogen-containing groups
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3707—Polyethers, e.g. polyalkyleneoxides
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3715—Polyesters or polycarbonates
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3723—Polyamines or polyalkyleneimines
    • 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
    • C11D3/3757—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions
    • 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
    • C11D3/3769—(Co)polymerised monomers containing nitrogen, e.g. carbonamides, nitriles or amines

Definitions

  • the present invention relates to fabric cleaning compositions comprising micro powders of botanical origin.
  • US2003/0087788 discloses water dispersible granules comprising a hydrophobic fragrance in the form of droplets, which is finely divided in and encapsulated by a water-soluble/dispersible solid organic matrix, which may be polypeptides of plant or synthetic origin, such as soya or wheat.
  • EP0908171 (Gem Energy Industry Ltd) discloses a dry powder herbal cleaning composition containing (a) a herb which acts as a soap or detergent; (b) a herb which acts as a foaming accelerating agent; (c) a herb which acts as a foaming agent; (d) a herb which acts as a pigmentation or colour restoring or maintenance agent; and (e) a herb which acts as a conditioner.
  • WO00/77153 discloses a detergent tablet containing (a) particles which contain organic surfactant and detergency builder; and (b) water insoluble but water swellable particles of plant material which contain both cellulose and lignin, such as coconut husk, obtainable by fragmentation of plant material without separation of its fibres into a liquid disperson.
  • US5,840,669 relates to a herbal dry cleaning powder based on a mixture of Cocoa nucifera, Hibiscus Rosa sinesis, Sapindus trifoliatus, Trigonella foenum graeceum, Melia azadirachta, of botanical origin, in combination with a preservative.
  • the constituents may be crushed to a mesh size of from 150-350.
  • micronised powders of botanical origin can be deposited onto fabrics from a laundry wash product to impart fabrics with benefit agents or for novel fragrance enhancement.
  • powders include ginger for fragrance; lime, lemon or orange rind for freshness; flower petals for perfume; exfoliating agents such as oat kernel flour, rice or rice bran flour; various pigments of natural origin, such as turmeric powder for anti-inflammatory benefit; seeds such as cardamom and coriander for perfuming; various dried herbs such as mint, oregano, green tea, bay leaf and tea-tree for perfuming and anti-microbial benefits.
  • the present invention provides a fabric cleaning composition for use in a laundering process which comprises:
  • a method of preparing a composition comprising the step of pulverizing the powder of botanical origin to a particle size of from 0.1 to 100 microns preferably from 0.2 to 90 microns, more preferably from 0.5 to 60, still more preferably from 0.5 to 50 microns, even more preferably from 1 to 45 microns and most preferably from 2 to 30 microns.
  • the present invention requires the use of ultra-fine powders.
  • the powders suitable for use in the compositions of the invention are sparingly soluble, preferably insoluble particulate structures of botanical origin. They are preferably aromatic and as such preferably comprise one or more aromatic essential oils.
  • the powders of the present invention can be of any shape and are not necessarily spherical and can have aspect ratio (ratio of length to diameter) greater than 1.
  • aspect ratio ratio of length to diameter
  • micronised, ultra-fine, or finely divided particle sizes having a maximum axis of from 0.1 to 100 microns preferably from 0.2 to 90 microns, more preferably from 0.5 to 60, even more preferably from 1 to 45 microns and most preferably from 2 to 30 microns.
  • Particles of suitable size may be obtained by any suitable process, for example pulverizing, milling, etc. Fractionation, for example by sieving, may be used to separate the required particle size range.
  • the powder is a material of botanical origin, and may be derived from any part of the plant, such as tubers, fruits, flowers, flower parts (calyx, stamen, etc), seeds, beans, pods, pith, barks, stalks, stems, leaves, roots, rhizomes, husks, skins, rinds and mixtures thereof.
  • aromatic powders examples include vanilla bean powder, ginger powder, cinnamon powder, cocoa powder, clove powder, cardamom powder, coriander powder, cumin powder, caraway powder, dill powder, chili powder, cyanine powder, turmeric powder, coffee bean powder, tea leaf powder, tea-tree powder, blackberry leaf powder, Lemon balm leaf powder, herb powders (for example, rosemary, thyme, sweet bay, sage, tarragon, mint, basil, balm, lemon verbena, red bergamot, marjoram, lavender and oregano), chamomile powder, fennel powder, lime rind powder, lemon rind powder, grapefruit rind powder, tangerine rind powder, mandarin rind powder, lemon grass powder, apple pomace powder, Lemon myrtle powder, red clover powder, liquorice powder and mixtures thereof.
  • herb powders for example, rosemary, thyme, sweet bay, sage, tarragon, mint, basil, balm, lemon verbena, red bergamot
  • Preferred non-aromatic powders include ginseng powder, rice husk flour, wheat husk flour, buckwheat husk flour and mixtures thereof.
  • the powdered material can be in native form or may result from processes such as ageing, fermenting and roasting that would increase or alter the constituent aroma chemicals.
  • the plant powders of the invention can be incorporated into laundry compositions in a similar fashion as other powdered ingredients.
  • the powder of botanical origin is present in an amount of from 0.1 to 10 wt %, preferably from 0.3 to 6 wt %, more preferably from 0.4 to 4 wt % and most preferably from 0.5 to 3 wt % by weight of the total composition.
  • the powders of botanical origin suitable for use in the invention are not extracted or isolated materials, such as polymers, for example lignin, starches or proteins, but are plant parts that are powdered in their bulk state.
  • the powders are not intended to include cellulose or cellulose derivatives such as polymeric derivatives such as cellulose ethers.
  • the plant parts (i.e. pre-powdered) and the powders are not subject to chemical purification, for example, to remove components such as lignin or pigments (but may, of course, be washed or cleaned).
  • Deposition of micro-powder from the laundry formulations of the invention onto a substrate may be achieved by any suitable route.
  • the particle size of the powder is such that the particles are trapped between the fibres of the fabric.
  • the filtration mechanism requires particles or clusters of primary particles of a size comparable with the interyarn pore size.
  • the particle size suitable for filtration is typically in the range of from 1 to 30 microns. Larger particles begin to be visible to the unaided eye, whereas smaller particles tend to be removed in the wash. Particles of around from 5 to 15 microns are preferred as they tend to be invisible to the eye and exhibit good deposition by filtration onto fabrics.
  • Deposition of micro-powders from laundry formulations of the invention is achieved and enhanced over and above the delivery by filtration method, by polymer aided deposition.
  • the polymeric deposition aid is suitably present at a level of from 0.0001 to 2%, preferably from 0.0002 to 1.0 %, more preferably 0.0005 to 0.5 % and most preferably from 0.0005 to 0.05 % by total weight of the composition.
  • Polymeric deposition agent suitable for use in the present invention include modified natural polymers and synthetic polymers.
  • Polymers suitable for the deposition of micro-powders are disclosed in WO9709406 , particularly high MW polyethylene oxides (PEO) which are used to deposit clay particles in the main wash;
  • EP0299575B1 and WO9527037 disclose high MW PEO, polyacrylates, polyacryl amides, poly vinyl alcohol and poly ethylene imines, which are used to deposit clay particles in the main wash;
  • EP0387426B1 which utilizes a similar list of polymers as well as guar gums.
  • WO 01/07546 A1 discloses suitable rinse stage polymeric deposition aids for emulsion droplets including cationic guar polymers, cationic polyacrylamides, cationic potato starch, and cationic cellulose derivates.
  • Preferred modified natural polymers suitable for use in the present invention may be selected from the group consisting of cationic starches, cationic guars, cationic cellulose, and nonionic locust bean gums (LBGs).
  • a preferred cationic starch is a cationically modified potato starch.
  • cationic polymers include cationic guar polymers such as Jaguar (ex Rhone Poulenc), cationic cellulose derivatives such as Celquats (ex National Starch), Flocaid (ex National Starch), cationic potato starch such as SoftGel (ex Aralose) and cationic polyacrylamides such as PCG (ex Allied Colloids).
  • cationic guar polymers such as Jaguar (ex Rhone Poulenc), cationic cellulose derivatives such as Celquats (ex National Starch), Flocaid (ex National Starch), cationic potato starch such as SoftGel (ex Aralose) and cationic polyacrylamides such as PCG (ex Allied Colloids).
  • Suitable non-ionic deposition aids include high molecular weight polyethylene glycols, for example PEO WSRN 750 (ex Union Carbide).
  • Preferred synthetic polymers for use as a deposition aid, may be selected from the group consisting of polyethylene oxide (PEO), polyethylene imine (PEI), poly (acrylate), poly (acrylamide), polyethylene terephthalate-polyoxyethylene terephthalate (PET/POET) polymers and mixtures thereof.
  • PEO polyethylene oxide
  • PEI polyethylene imine
  • PET polyoxyethylene terephthalate
  • compositions of the invention comprise at least one anionic surfactant and at least one nonionic surfactant.
  • compositions of the invention contain at least one anionic surfactant.
  • alkylbenzene sulfonates such as linear alkylbenzene sulfonate, particularly linear alkylbenzene sulfonates having an alkyl chain length of C 8 -C 15 . It is preferred that the level of linear alkylbenzene sulfonate is from 0 wt% to 30 wt%, more preferably 1 wt% to 25 wt%, most preferably from 2 wt% to 15 wt%.
  • compositions of the invention may contain other anionic surfactants in amounts additional to the percentages quoted above.
  • Suitable anionic surfactants are well-known to those skilled in the art. Examples include primary and secondary alkyl sulfates, particularly C 8 -C 20 primary alkyl sulfates; alkyl ether sulfates; olefin sulfonates; alkyl xylene sulfonates; dialkyl sulfosuccinates; and fatty acid ester sulfonates. Sodium salts are generally preferred.
  • compositions of the invention also contain at least one non-ionic surfactant.
  • Nonionic surfactants that may be used include the primary and secondary alcohol ethoxylates, especially the C 8 -C 20 aliphatic alcohols ethoxylated with an average of from 1 to 20 moles of ethylene oxide per mole of alcohol, and more especially the C 10 -C 15 primary and secondary aliphatic alcohols ethoxylated with an average of from 1 to 10 moles of ethylene oxide per mole of alcohol.
  • Non-ethoxylated nonionic surfactants include alkylpolyglycosides, glycerol monoethers, and polyhydroxyamides (glucamide).
  • the level of non-ionic surfactant is from 0.5 wt% to 30 wt%, preferably from 1 wt% to 25 wt%, most preferably from 2 wt% to 15 wt%.
  • the fabric cleaning composition of the invention is suitable for use in a laundry process.
  • the composition is preferably a main wash cleaning composition, or a softening-in-the-wash composition.
  • compositions of the invention may be in any physical form e.g. a solid such as a powder or granules, a tablet, a solid bar, a paste, gel or liquid, for example an aqueous based liquid, a spray, a stick, an impregnated substrate, foam or mousse.
  • the compositions may be liquid, powder, or unit dose such as tablet laundry compositions.
  • the liquid products of the invention may have pH ranging from 6 to 12 (for fabric softening-in-the-wash compositions). This pH range preferably remains stable over the shelf life of the product.
  • compositions in accordance with the invention may comprise at least one further surface-active compound, selected from soaps, cationic surfactants, zwitterionic surfactants, amphoteric surfactants and mixtures thereof.
  • surface-active compound surfactant
  • the choice of surface-active compound (surfactant), and the amount present, will depend on the intended use of the detergent composition. In fabric washing compositions, different surfactant systems may be chosen, as is well known to the skilled formulator, for handwashing products and for products intended for use in different types of washing machine. -
  • the total amount of surfactant present will also depend on the intended end use and may be as high as 60 wt%, for example, in a composition for washing fabrics by hand. In compositions for machine washing of fabrics, a total amount of from 5 to 40 wt% is generally appropriate. Typically the compositions will comprise at least 2 wt% total surfactant e.g. 2-60%, preferably 15-40% most preferably 25-35%.
  • Detergent compositions suitable for use in most automatic fabric washing machines generally contain anionic non-soap surfactant, or non-ionic surfactant, or combinations of the two in any suitable ratio, optionally together with soap.
  • Cationic surfactants which can be used in main-wash compositions for fabrics.
  • Cationic surfactants that may be used include quaternary ammonium salts of the general formula R 1 R 2 R 3 R 4 N + X - wherein the R groups are long or short hydrocarbon chains, typically alkyl, hydroxyalkyl or ethoxylated alkyl groups, and X is a counter-ion (for example, compounds in which R 1 is a C 8 -C 22 alkyl group, preferably a C 8 -C 10 or C 12 -C 14 alkyl group, R 2 is a methyl group, and R 3 and R 4 , which may be the same or different, are methyl or hydroxyethyl groups); and cationic esters (for example, choline esters).
  • Amphoteric and zwitterionic surfactants that may be used include alkyl amine oxides, betaines and sulfobetaines.
  • composition is a softening from the wash composition
  • it may comprise a sugar polyester or a softening silicone oil.
  • the sugar polyester is preferably selected from the group consisting of sucrose polyesters, glucose polyesters and cellobiose polyesters, and is most preferably a sucrose polyester.
  • the sugar polyester may be liquid, soft solid or solid.
  • the preferred sucrose polyesters for use in the present invention have 2 to 4 hydrocarbon chains per sugar ring, where the hydrocarbon chain has a length of from 12 to 22 carbon atoms.
  • a particularly preferred sucrose polyester is sucrose tetraerucate.
  • sucrose polyester is Ryoto Sugar Ester ER290 supplied by Mitsubishi Kagaku Foods Corporation, which is a sucrose tetraerucate and according to the manufacturer's specification is mainly Tetraerucate, Pentaerucate and Hexaerucate and has a HLB value of 2.
  • the sugar polyester may be pure, or may contain impurities.
  • the impurities are preferably selected from the group consisting of free fatty acid, fatty acid methyl ester, soap, inorganic salts and mixtures thereof.
  • the most preferred SPEs are commercially available, such as Emanon SCR-PK (ex KAO), which is a palm kernel derived SPE containing mainly C 12 -C 14 with about 20% C 18 mono unsaturatation and SPE-THSBO (ex Clariant), which is derived from touch hardened soy bean oil, having mainly C 16 -C 18 chains with about 80% mono and di unsaturation.
  • Emanon SCR-PK ex KAO
  • SPE-THSBO Clariant
  • the average degree of esterification of the above preferred SPEs is between 4.2-4.7.
  • SCR-PK contains up to 20% impurities but SPE-THSBO is pure.
  • SCR-PK contains from 4 to 6 wt% of K soap, 2.5 wt% of free fatty acid, from 10 to 15 wt% of fatty acid methyl ester and less than 1 % of KCI.
  • the sugar polyester being non-ionic oil, requires an emulsifier, that is to say, the sugar polyester must be in an emulsified form.
  • the emulsifier is preferably selected from cationic surfactant, anionic surfactant, non-ionic surfactant, and mixtures thereof.
  • the ultra-fine particles of the invention themselves can act as stabilizer and emulsifier for the nonionic softeners such as sugar polyesters (SPEs).
  • SPEs sugar polyesters
  • compositions of the invention when used as main wash fabric washing compositions, will generally also contain one or more detergency builder.
  • the total amount of detergency builder in the compositions will typically range from 0 to 80 wt%, preferably from 0 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 5 to 60% by weight (anhydrous basis), preferably from 10 to 50 wt%, especially 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 These materials contain some bound water and are required to have a calcium ion exchange capacity of at least 50 mg CaO/g.
  • 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, is especially preferred.
  • the calcium binding capacity of zeolite MAP is generally at least 150 mg CaO per g of anhydrous material.
  • the zeolites may be supplemented by other inorganic builders, for example, amorphous aluminosilicates, or layered silicates such as SKS-6 ex Clariant.
  • the zeolite may be supplemented by organic builders.
  • 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, hydroxyethyl iminodiacetates, alkyl- and alkenylmalonates and succinates; and sulfonated fatty acid salts. This list is not intended to be exhaustive.
  • Especially preferred organic builders are citrates, suitably used in amounts of from 1 to 30 wt%, preferably from 5 to 30 wt%, more 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.
  • Builders are suitably present in total amounts of from 10 to 80 wt%, more preferably from 20 to 60 wt%. Builders may be inorganic or organic.
  • a built composition in accordance with the invention may most preferably comprise from 10 to 80 wt% of a detergency builder (b) selected from zeolites, phosphates, and citrates.
  • a detergency builder selected from zeolites, phosphates, and citrates.
  • the laundry detergent composition will generally comprise other detergent ingredients well known in the art. These may suitably be selected from bleach ingredients, enzymes, sodium carbonate, sodium silicate, sodium sulphate, foam controllers, foam boosters, perfumes, fabric conditioners, soil release polymers, dye transfer inhibitors, photobleaches, fluorescers and coloured speckles.
  • Compositions according to the invention may also suitably contain a bleach system.
  • Fabric washing compositions may desirably contain peroxy bleach compounds, for example, inorganic persalts or organic peroxyacids, capable of yielding hydrogen peroxide in aqueous solution.
  • Suitable peroxy bleach compounds include organic peroxides such as urea peroxide, and inorganic persalts such as the alkali metal perborates, percarbonates, perphosphates, persilicates and persulfates.
  • organic peroxides such as urea peroxide
  • inorganic persalts such as the alkali metal perborates, percarbonates, perphosphates, persilicates and persulfates.
  • Preferred inorganic persalts are sodium perborate monohydrate and tetrahydrate, and sodium percarbonate.
  • sodium percarbonate having a protective coating against destabilisation by moisture Especially preferred is sodium percarbonate having a protective coating against destabilisation by moisture.
  • Sodium percarbonate having a protective coating comprising sodium metaborate and sodium silicate is disclosed in GB 2 123 044B (Kao ).
  • the peroxy bleach compound is suitably present in an amount of from 0.1 to 35 wt%, preferably from 0.5 to 25 wt%.
  • the peroxy bleach compound may be used in conjunction with a bleach activator (bleach precursor) to improve bleaching action at low wash temperatures.
  • the bleach precursor is suitably present in an amount of from 0.1 to 8 wt%, preferably from 0.5 to 5 wt%.
  • Preferred bleach precursors are peroxycarboxylic acid precursors, more especially peracetic acid precursors and pernonanoic acid precursors.
  • Especially preferred bleach precursors suitable for use in the present invention are N,N,N',N',-tetracetyl ethylenediamine (TAED) and sodium nonanoyloxybenzene sulphonate (SNOBS).
  • TAED N,N,N',N',-tetracetyl ethylenediamine
  • SNOBS sodium nonanoyloxybenzene sulphonate
  • the novel quaternary ammonium and phosphonium bleach precursors disclosed in US 4 751 015 and US 4 818 426 (Lever Brothers Company) and EP 402 971 A (Unilever), and the cationic bleach precursors disclosed in EP 284 292A and EP 303 520A (Kao ) are also of interest.
  • the bleach system can be either supplemented with or replaced by a peroxyacid, examples of such peracids can be found in US 4 686 063 and US 5 397 501 (Unilever).
  • a preferred example is the imido peroxycarboxylic class of peracids described in EP A 325 288 , EP A 349 940 , DE 382 3172 and EP 325 289 .
  • a particularly preferred example is phthalimido peroxy caproic acid (PAP).
  • PAP phthalimido peroxy caproic acid
  • Such peracids are suitably present at 0.1 - 12%, preferably 0.5 - 10%.
  • a bleach stabiliser may also be present.
  • Suitable bleach stabilisers include ethylenediamine tetra-acetate (EDTA), diethylenetriamine pentaacetate (DTPA), the polyphosphonates such as Dequest (Trade Mark), ethylenediamine tetramethylene phosphonate (EDTMP) and diethylenetriamine pentamethylene phosphate (DETPMP) and non-phosphate stabilisers such as EDDS (ethylene diamine disuccinate).
  • EDTA ethylenediamine tetra-acetate
  • DTPA diethylenetriamine pentaacetate
  • the polyphosphonates such as Dequest (Trade Mark)
  • EDTMP ethylenediamine tetramethylene phosphonate
  • DETPMP diethylenetriamine pentamethylene phosphate
  • non-phosphate stabilisers such as EDDS (ethylene diamine disuccinate).
  • An especially preferred bleach system comprises a peroxy bleach compound (preferably sodium percarbonate optionally together with a bleach activator), and a transition metal bleach catalyst as described and claimed in EP 458 397A , EP 458 398A and EP 509 787A (Unilever).
  • a peroxy bleach compound preferably sodium percarbonate optionally together with a bleach activator
  • a transition metal bleach catalyst as described and claimed in EP 458 397A , EP 458 398A and EP 509 787A (Unilever).
  • compositions according to the invention may also contain one or more enzyme(s).
  • Suitable enzymes include the proteases, amylases, cellulases, oxidases, peroxidases and lipases usable for incorporation in detergent compositions.
  • Preferred proteolytic enzymes are, catalytically active protein materials which degrade or alter protein types of stains when present as in fabric stains in a hydrolysis reaction. They may be of any suitable origin, such as vegetable, animal, bacterial or yeast origin.
  • proteolytic enzymes or proteases of various qualities and origins and having activity in various pH ranges of from 4-12 are available and can be used in the instant invention.
  • suitable proteolytic enzymes are the subtilins which are obtained from particular strains of B .
  • Subtilis B . licheniformis such as the commercially available subtilisins Maxatase (Trade Mark), as supplied by Gist Brocades N.V., Delft, Holland, and Alcalase (Trade Mark), as supplied by Novo Industri A/S, Copenhagen, Denmark.
  • protease obtained from a strain of Bacillus having maximum activity throughout the pH range of 8-12, being commercially available, e.g. from Novo Industri A/S under the registered trade-names Esperase (Trade Mark) and Savinase (Trade-Mark).
  • Esperase Trade Mark
  • Savinase Trade-Mark
  • Other commercial proteases are Kazusase (Trade Mark obtainable from Showa-Denko of Japan), Optimase (Trade Mark from Miles Kali-Chemie, Hannover, West Germany), and Superase (Trade Mark obtainable from Pfizer of U.S.A.).
  • Detergency enzymes are commonly employed in granular form in amounts of from about 0.1 to about 3.0 wt%. However, any suitable physical form of enzyme may be used.
  • compositions of the invention may contain alkali metal, preferably sodium, carbonate, in order to increase detergency and ease processing.
  • Sodium carbonate may suitably be present in amounts ranging from 1 to 60 wt%, preferably from 2 to 40 wt%.
  • compositions containing little or no sodium carbonate are also within the scope of the invention.
  • Powder flow may be improved by the incorporation of a small amount of a powder structurant, for example, a fatty acid (or fatty acid soap), a sugar, an acrylate or acrylate/maleate copolymer, or sodium silicate.
  • a powder structurant for example, a fatty acid (or fatty acid soap), a sugar, an acrylate or acrylate/maleate copolymer, or sodium silicate.
  • a powder structurant for example, a fatty acid (or fatty acid soap), a sugar, an acrylate or acrylate/maleate copolymer, or sodium silicate.
  • fatty acid soap suitably present in an amount of from 1 to 5 wt%.
  • the amount of sodium silicate may suitably range from 0.1 to 5 wt%.
  • detergent compositions of the invention include sodium silicate; antiredeposition agents such as cellulosic polymers; soil release polymers; inorganic salts such as sodium sulfate; lather control agents or lather boosters as appropriate; proteolytic and lipolytic enzymes; dyes; coloured speckles; perfumes; foam controllers; fluorescers and decoupling polymers. This list is not intended to be exhaustive.
  • the detergent composition when diluted in the wash liquor will typically give a pH of the wash liquor from 7 to 10.5 for a main wash detergent.
  • Particulate detergent compositions are suitably prepared by spray-drying a slurry of compatible heat-insensitive ingredients, and then spraying on or post-dosing those ingredients unsuitable for processing via the slurry.
  • the skilled detergent formulator will have no difficulty in deciding which ingredients should be included in the slurry and which should not.
  • Particulate detergent compositions of the invention preferably have a bulk density of at least 400 g/litre, more preferably at least 500 g/litre. Especially preferred compositions have bulk densities of at least 650 g/litre, more preferably at least 700 g/litre.
  • Such powders may be prepared either by post-tower densification of spray-dried powder, or by wholly non-tower methods such as dry mixing and granulation; in both cases a high-speed mixer/granulator may advantageously be used. Processes using high-speed mixer/granulators are disclosed, for example, in
  • EP 340 013A , EP 367 339A , EP 390 251 A and EP 420 317A (Unilever).
  • micro-powders of the invention are particularly well suited to incorporation into detergent powders.
  • Liquid detergent compositions can be prepared by admixing the essential and optional ingredients thereof in any desired order to provide compositions containing components in the requisite concentrations.
  • Liquid compositions according to the present invention can also be in compact form which means it will contain a lower level of water compared to a conventional liquid detergent.
  • the fabric treatment compositions of the invention can also contain adjuvants that are normal in the cosmetic, pharmaceutical and/or dermatological field, such as hydrophilic or lipophilic gelling agents, hydrophilic or lipophilic active agents, preserving agents, antioxidants, solvents, fragrances, fillers, screening agents, bactericides, odour absorbers, photobleaches (singlet oxygen or radical type) and dyestuffs.
  • adjuvants that are normal in the cosmetic, pharmaceutical and/or dermatological field, such as hydrophilic or lipophilic gelling agents, hydrophilic or lipophilic active agents, preserving agents, antioxidants, solvents, fragrances, fillers, screening agents, bactericides, odour absorbers, photobleaches (singlet oxygen or radical type) and dyestuffs.
  • the amounts of these various adjuvants are those conventionally used in the field under consideration and are, for example, from 0.01 to 20% of the total weight of the composition.
  • the substrate When used in laundering, the substrate may be any substrate onto which it is desirable to deposit the botanical particles and which is subjected to treatment such as a washing process.
  • the substrate may be a textile fabric and preferably comprises cotton, polyester and polycotton.
  • the treatment of the substrate with the composition of the invention can be made by any suitable method such as washing, soaking or rinsing of the substrate but also by direct application such as spraying, rubbing, spotting, smearing, etc.
  • the treatment may involve contacting the substrate with an aqueous medium comprising the material of the invention.
  • the treatment may be provided as a spray composition e.g., for domestic (or industrial) application to fabric in a treatment separate from a conventional domestic laundering process.
  • Suitable spray dispensing devices are disclosed in WO 96/15310 (Procter & Gamble ).
  • compositions of the invention may be used to provide a perfume and/or odour benefit, for example a reduction in malodour, to fabric during a laundering process.
  • Plant powders having a particle size within the claimed range were prepared using a Retsch ZM1000 Ultra Centrifugal Mill operating at a speed of 10,000 rpm. The mill was fitted with a 24 tooth rotor and a 0.12 mm screen.
  • Table 1 gives two examples of the size fractions that remained on each sieve from 10g of the starting powder.
  • Table 1 Weight fractions remaining on the sieve from 10g of starting powder after 30 minutes of shaking (for ginger) and brushing (for cardamom).
  • Sieve aperture size ⁇ m
  • Ginger g
  • Cardamom g
  • 180 1.75 0.34 125 1.23 0.55
  • 90 1.56 1.22 75
  • Example 2 Detergent compositions 1 to 4 comprising herbs and spices
  • Table 2 shows liquid detergent formulations. All concentrations are based on 100% ingredient.
  • Composition 1 2 3 4 Nonionic 7EO, branched (100%) 8.50 3.00 3.00 2.66 Fatty acid 7908 (100%) 1.00 Fatty acid 5908 (100%) 2.30 2.30 2.30 LAS acid (97%) 8.00 8.00 7.10 SLES 3EO (70%) 8.50 3.00 3.00 2.66 Citric acid 3.00 2.80 2.80 NaCl (solution) - PS (26%) 2.00 2.00 2.10 2.10 NaOH solution (50%) 0.27 3.30 3.30 3.30 (Proxel) 1,2-benzisothiazolin-3-one (20%) 0.016 0.016 0.016 0.016 Boric acid (100%) 0.50 Calcium Chloride 0.10 0.10 0.10 Tinopal CBS-X 0.020 0.020 0.020 0.020 DTPMPA (Na7-Dequest 2066, 32 %) 0.700 1.000 1.000 1.000 Relase Ultra 16L EX 0.39 Savinase 16L Ultra 0.38
  • Fruiteria Apple pomace 20%, Lemon grass 5%, Orange peel 20%, Lemon peel 20%, Blackberry leaves 15%, Ginger 10%, Mandarin peel 10%.
  • Harmony Lemon balm leaves 30%, Chamomile 30%, Sage leaves 20%, Lime 10%, Lemon myrtle 5%, Red Clover 5%.
  • Citrus orchid Orange peel 40%, Lemon peel 20%, Mandarin peel 15%, Lime peel 15%, Lavendar 10%.
  • Example 3 Evaluation of deposition of powders onto fabrics from compositions 1 to 4
  • Linitester was used, which simulates the tumbling action of an automatic washing machine, on a smaller scale of 100 ml.
  • the level of deposition of the aromatic particles from a wash solution can be quantified by measuring the turbidity of transmission of the wash solution before and after the solution is contacted with the fabrics. To simulate the conditions of the wash environment the following procedure was observed:-
  • a surfactant solution comprising a mixture of anionic and nonionic surfactant (5g of Synperonic A7 and 5.5g of neutralized LAS (90% active) in 1 litre of water) was prepared.
  • a buffer solution (2.42g CaHCO 3 and 7.55g of Ca 2 CO 3 in a litre of water) was also prepared.
  • the above surfactant/buffer solution remains transparent under dilution for the simulated wash experiment and hence enables turbidity measurement originating from the botanical powders only.
  • aqueous solutions of three different deposition polymers were prepared, namely Softgel BDA, locust bean gum (LBG) and Ucare JR-30M. These polymer solutions were prepared at 0.1% and 2% respectively and from these solutions appropriate levels dosed into the Linitester.
  • Softgel BDA (Avebe) is a cationic potato starch with low, 0.05%, degree of substitution (cationic charge).
  • Ucare polymer JR-30M (Amerchol) is a cationic hydroxyethyl cellulose with a 1.5-2.2% degree of substitution.
  • LBG (Sigma) is a locust bean gum polysaccharide and has no charge but capable of cellulose recognition.
  • Table 3 summarizes the deposition from the detergent wash solution for mint particles ⁇ 45 ⁇ m in the presence of Softgel BDA. Deposition is expressed as a percentage of the total amount of particles in the composition.
  • the controls zero polymer levels in the wash solution
  • the controls indicate the level of deposition that is achieved by the filtration mechanism.
  • Softgel BDA with its low cationic charge density of only 0.05% works so well in an anionic detergent solution for example compared to polymer JR with about 2% charge density.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Emergency Medicine (AREA)
  • Detergent Compositions (AREA)

Claims (14)

  1. Composition de nettoyage de tissu à utiliser dans un procédé de blanchissage qui comprend :
    a) au moins un tensioactif anionique,
    b) au moins un tensioactif non ionique,
    c) une poudre d'origine botanique, et
    d) un auxiliaire de dépôt polymérique à un niveau de 0,0001 à 2 % en poids total de la composition,
    dans laquelle la poudre d'origine botanique a une taille de particule de 0,1 à 100 µm, de préférence, de 0,5 à 50 et de manière préférée entre toutes, de 1 à 45 µm.
  2. Composition selon la revendication 1, dans laquelle la poudre d'origine botanique est choisie parmi des tubercules, des fruits, des fleurs, des parties de fleur (calice, étamine, etc.), des graines, des fèves, des gousses, le coeur, des écorces, des pédoncules, des tiges, des feuilles, des racines, de rhizomes, des coques, des peaux, des zestes et leurs mélanges.
  3. Composition selon la revendication 2, dans laquelle la poudre est choisie parmi la poudre de graisse de vanille, la poudre de gingembre, la poudre de cannelle, la poudre de cacao, la poudre de clou de girofle, la poudre de cardamome, la poudre de coriandre, la poudre de cumin, la poudre de carvi, la poudre d'aneth, la poudre de piment, la poudre de cyanine, la poudre de curcuma, la poudre de grain de café, la poudre de feuille de thé, la poudre d'arbre à thé, la poudre de feuille de mûre, la poudre de feuille de mélisse, les poudres d'herbes aromatiques, la poudre de camomille, la poudre de fenouil, la poudre de zeste de citron vert, la poudre de zeste de citron, la poudre de zeste de pamplemousse, la poudre de zeste de tangerine, la poudre de zeste de mandarine, la poudre de citronnelle, la poudre de résidus de pomme, la poudre de myrte citronnée, la poudre de trèfle rouge, la poudre de réglisse et leurs mélanges.
  4. Composition selon la revendication 3, dans laquelle les herbes aromatiques sont choisies parmi le romarin, le thym, le laurier, la sauge, l'estragon, la menthe, le basilic, la mélisse, la verveine, la bergamote, la marjolaine, la lavande et l'origan.
  5. Composition selon la revendication 1 ou la revendication 2, dans laquelle la poudre est choisie parmi la poudre de ginseng, la farine de balles de riz, la farine de balles de blé, la farine de balles de sarrasin et leurs mélanges.
  6. Composition selon l'une quelconque des revendications précédentes, dans laquelle la poudre d'origine botanique est présente en une quantité de 0,1 à 10 % en poids, de préférence de 0,3 à 5 % en poids, de manière préférée entre toutes, de 0,5 à 3 % en poids de la composition totale.
  7. Composition selon l'une quelconque des revendications précédentes, dans laquelle la poudre botanique est à l'état natif, vieilli, mûri, fermenté ou torréfié.
  8. Composition selon l'une quelconque des revendications précédentes, dans laquelle l'agent de dépôt polymérique est un polymère naturel modifié ou un polymère synthétique.
  9. Composition selon la revendication 8, dans laquelle le polymère naturel modifié est choisi dans le groupe comprenant les amidons cationiques, les guars cationiques, la cellulose cationique et les gommes de graines de caroube non ioniques (LBG).
  10. Composition selon la revendication 9, dans laquelle l'amidon cationique est une fécule de pomme de terre modifiée cationiquement.
  11. Composition selon la revendication 8, dans laquelle le polymère synthétique est choisi dans le groupe constitué de l'oxyde de polyéthylène (PEO), la polyéthylène imine (PEI), le poly(acrylate), le poly(acrylamide), les polymères polyéthylène téréphtalate - polyoxyéthylène téréphtalate (PET/ POET) et leurs mélanges.
  12. Procédé de traitement d'un tissu, comprenant l'étape consistant à traiter un article en tissu avec une composition telle que définie dans l'une quelconque des revendications précédentes.
  13. Méthode de préparation d'une composition telle que définie par l'une quelconque des revendications 1 à 11, comprenant l'étape de pulvérisation de la poudre d'origine botanique à une taille de particule de 0,1 à 100 µm, de préférence de 0,5 à 50 et de manière préférée entre toutes, de 1 à 45 µm.
  14. Utilisation d'une composition telle que définie dans l'une quelconque des revendications précédentes, pour procurer un avantage en termes de parfum et/ou d'odeur au tissu pendant un procédé de blanchissage.
EP09759950A 2008-12-16 2009-11-26 Améliorations associées aux compositions de traitement de tissu Active EP2366012B1 (fr)

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PL09759950T PL2366012T3 (pl) 2008-12-16 2009-11-26 Ulepszenia dotyczące kompozycji do traktowania tkanin

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EP09759950A EP2366012B1 (fr) 2008-12-16 2009-11-26 Améliorations associées aux compositions de traitement de tissu
PCT/EP2009/065887 WO2010069732A1 (fr) 2008-12-16 2009-11-26 Améliorations apportées à des compositions de traitement de tissu

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EP2641479A1 (fr) * 2012-03-20 2013-09-25 Rudolf Wild GmbH & Co. KG Composition comprenant un extrait de feuilles sucrées de mûrier sauvage
EP2841550B1 (fr) * 2012-04-23 2016-01-20 Unilever Plc. Compositions de détergent liquide isotrope aqueux structuré extérieurement
BR112014026429B1 (pt) * 2012-04-23 2022-02-01 Unilever Ip Holdings B.V. Composição detergente líquida isotrópica aquosa externamente estruturada
CN103266026B (zh) * 2013-05-28 2014-07-16 上海艳紫化工科技有限公司 蜜蜂花油洗洁精
CN103451927B (zh) * 2013-08-02 2015-05-20 苏州爱立方服饰有限公司 一种含有癸酸甘油三酯的抗收缩抑菌羊毛衫处理液
CN104804890A (zh) * 2014-01-25 2015-07-29 无锡市拓普科技开发中心 一种织物染色用去污去油剂
CN104178379B (zh) * 2014-08-08 2017-09-26 福州喜自然生物科技有限公司 一种强效去油去污的天然洗涤制品及其制备方法
CN106046916A (zh) * 2016-08-09 2016-10-26 丁玉琴 一种中性笔油墨清洁剂的制备方法
CN111778113B (zh) * 2020-07-10 2021-07-16 纳爱斯浙江科技有限公司 一种抗微生物洗涤剂组合物

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US5898026A (en) * 1989-09-22 1999-04-27 Colgate Palmolive Company Liquid crystal compositions
US5840669A (en) * 1997-06-20 1998-11-24 Gem Energy Industry Limited Herbal dry cleaning powder composition
BR0116389B1 (pt) * 2000-12-21 2012-10-02 tablete de composição particulada compactada para limpeza, processo para produzir o dito tablete ou uma região do mesmo, partìcula promotora de desintegração intumescìvel em água, e, processo para produzir a dita partìcula.
GB0228354D0 (en) * 2002-12-05 2003-01-08 Unilever Plc Detergent compositions
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BRPI0922238A2 (pt) 2016-08-09
WO2010069732A1 (fr) 2010-06-24
EP2366012A1 (fr) 2011-09-21
CN102317426B (zh) 2013-11-20
AR074748A1 (es) 2011-02-09
ZA201103930B (en) 2012-08-29

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