EP4299701A1 - Composition de détergent de blanchisserie particulaire solide à écoulement libre - Google Patents

Composition de détergent de blanchisserie particulaire solide à écoulement libre Download PDF

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Publication number
EP4299701A1
EP4299701A1 EP22181238.1A EP22181238A EP4299701A1 EP 4299701 A1 EP4299701 A1 EP 4299701A1 EP 22181238 A EP22181238 A EP 22181238A EP 4299701 A1 EP4299701 A1 EP 4299701A1
Authority
EP
European Patent Office
Prior art keywords
composition
sulfite
composition according
alkyl
bleach
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.)
Pending
Application number
EP22181238.1A
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German (de)
English (en)
Inventor
Alan Thomas Brooker
Linsey Sarah Fuller
Eva TRUSILEVIC
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Procter and Gamble Co
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Procter and Gamble Co
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 Procter and Gamble Co filed Critical Procter and Gamble Co
Priority to EP22181238.1A priority Critical patent/EP4299701A1/fr
Priority to PCT/US2023/068851 priority patent/WO2024006656A1/fr
Publication of EP4299701A1 publication Critical patent/EP4299701A1/fr
Pending 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
    • C11D3/0005—Other compounding ingredients characterised by their effect
    • C11D3/0042—Reducing agents
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/12—Water-insoluble compounds
    • C11D3/122—Sulfur-containing, e.g. sulfates, sulfites or gypsum
    • 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
    • C11D3/168—Organometallic compounds or orgometallic 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
    • C11D3/3902—Organic or inorganic per-compounds combined with specific additives
    • C11D3/3905—Bleach activators or bleach catalysts
    • C11D3/3907—Organic compounds
    • C11D3/3917—Nitrogen-containing compounds
    • C11D3/392—Heterocyclic compounds, e.g. cyclic imides or lactames
    • 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

Definitions

  • the present invention relates to a solid free-flowing particulate laundry detergent composition.
  • the composition of the present invention comprises a detersive surfactant, a specific iron-based bleach catalyst and a sulfite-based bleach.
  • the composition of the present invention provides good cleaning performance, especially good cleaning against curry stains.
  • the consumer perception of laundry detergent powders is that they deliver superior cleaning performance compared to other laundry detergent product forms, such as laundry detergent liquids and laundry detergent pouches. To this end, the cleaning performance of the laundry detergent powder needs to be very good.
  • One way to ensure that the cleaning performance of the laundry detergent powder is very good, is to ensure that the stain removal performance of the product is very good.
  • Tough stains to remove include curry stains and ink stains. Not only does a good stain removal performance important to the overall cleaning performance, but it is also one of the predominant signals to the consumer that the product has a good cleaning performance.
  • One of the best bleaches to remove ink stains is a sufite based bleach.
  • Sulfite-based bleaches are reducing bleaches. Their use in laundry detergent powders is extremely limited because they tend to be incompatible with other bleach systems, such as peroxygen-based bleach that is more widely used in laundry detergent powders.
  • FeONIX and FeONIX-A are new and emerging bleach ingredients that are iron-based bleach catalysts. They are of particular importance to detergent manufacturers in that they provide exceptional curry stain removal performance, which is a "hero" stain and provides a strong signal as well as driving consumer acceptance that the laundry detergent powder has good overall cleaning performance.
  • the inventors have surprisingly found that these new iron-based bleach catalysts, FeONIX and FeONIX-A, are compatible with sulfite bleach, and that the combination of these iron-based bleach catalysts and sulfite-based bleach provide good stain removal performance against both curry stains and ink stains.
  • This combination provides a very strong and powerful signal to the consumer that the laundry detergent powder has exceptional overall cleaning performance.
  • the iron-based bleach catalyst would impair the performance of the sulfite-based bleach, and that the sulfite-based bleach would impair the performance of the iron-based catalyst. It was unexpected and a surprise that this combination of technologies was compatible with each other and could drive stain removal performance against two of the "hero" stains.
  • the present invention provides a solid free-flowing particulate laundry detergent composition, wherein the composition comprises:
  • the composition is a solid free-flowing particulate laundry detergent composition.
  • the composition comprises:
  • the composition may have an equilibrium pH at 20°C at a concentration of 1g/l in deionized water of 10.0 or less, preferably less than 10.0, or less than 9.5, or less than 9.0, or less than 8.5, preferably from 6.0 to 10.0, or from 6.0 to 9.5, or from 6.0 to 9.0, or from 6.0 to 8.5.
  • the composition may have an equilibrium pH at 20°C at a concentration of 1g/l in deionized water of 10.0, or more than 10.0, preferably more than 10.5, or even more than 11.0, preferably from 10.0 to 12.0, or from 10.5 to 12.0, or from 10.5 to 11.5.
  • the composition may be substantially free of sodium carbonate.
  • substantially free it is typically meant that no sodium carbonate is deliberately included in the composition. However, trace levels, e.g. due to impurities and/or contamination, may be present in the composition, although preferably this is avoided.
  • the level of any sodium carbonate is less than 2.0wt%, preferably less than 1.0wt%, more preferably less than 0.5wt%, or even less than 0.1wt% of the composition.
  • the composition comprises anionic detersive surfactant. Suitable anionic detersive surfactants are described in more detail below.
  • the composition comprises anionic detersive surfactant selected from alkyl sulphate and/or alkyl benzene sulphonate.
  • a preferred alkyl sulphate is a C 8 -C 24 alkyl sulphate, especially preferred is a mid-cut alkyl sulphate (MCAS), such as a C 12 -C 14 alkyl sulphate.
  • a preferred alkyl benzene sulphonate is a C 11 -C 13 alkyl benzene sulphonate
  • an especially preferred alkyl benzene sulphonate is a linear C 11 -C 13 alkyl benzene sulphonate.
  • the composition comprises a dye transfer inhibitor.
  • Suitable dye transfer inhibitors are described in more detail below.
  • the composition comprises non-ionic detersive surfactant.
  • non-ionic detersive surfactants are described in more detail below.
  • the composition comprises hueing dye.
  • hueing dyes are described below in more detail.
  • the composition comprises chelant.
  • Suitable chelants are described in more detail below.
  • the composition comprises enzyme. Suitable enzymes are described in more detail below.
  • the composition comprises perfume. Suitable perfumes are described in more detail below.
  • the composition comprises soil release polymer.
  • soil release polymers are described in more detail below.
  • the composition comprises:
  • the solid free-flowing particulate laundry detergent composition is a fully formulated laundry detergent composition, not a portion thereof such as a spray-dried, extruded or agglomerate particle that only forms part of the laundry detergent composition.
  • the solid composition comprises a plurality of chemically different particles, such as spray-dried base detergent particles and/or agglomerated base detergent particles and/or extruded base detergent particles, in combination with one or more, typically two or more, or five or more, or even ten or more particles selected from: surfactant particles, including surfactant agglomerates, surfactant extrudates, surfactant needles, surfactant noodles, surfactant flakes; phosphate particles; zeolite particles; silicate salt particles, especially sodium silicate particles; carbonate salt particles, especially sodium carbonate particles; polymer particles such as carboxylate polymer particles, cellulosic polymer particles, starch particles, polyester particles, polyamine particles, terephthalate polymer particles, polyethylene glycol particles;
  • Suitable compositions typically comprise a detergent ingredient selected from: detersive surfactant, such as anionic detersive surfactants, non-ionic detersive surfactants, cationic detersive surfactants, zwitterionic detersive surfactants and amphoteric detersive surfactants; polymers, such as carboxylate polymers, soil release polymer, anti-redeposition polymers, cellulosic polymers and care polymers; bleach; photobleach, such as such as zinc and/or aluminium sulphonated phthalocyanine; enzymes, such as proteases, amylases, cellulases, lipases; zeolite builder; phosphate builder; co-builders, such as citric acid and citrate; carbonate, such as sodium carbonate and sodium bicarbonate; sulphate salt, such as sodium sulphate; silicate salt such as sodium silicate; chloride salt, such as sodium chloride; brighteners; chelants; hueing agents; dye transfer inhibitors; dye fix
  • Suitable compositions may have a low buffering capacity.
  • Such laundry detergent compositions typically have a reserve alkalinity to pH 9.5 of less than 5.0gNaOH/100g.
  • These low buffered laundry detergent compositions typically comprise low levels of carbonate salt.
  • Iron-based bleach catalyst has the following structure:
  • Suitable iron-based bleach catalysts include WeylClean ® FeONIX from Weylchem and/or WeylClean ® FeONIX-A from Weylchem.
  • the composition comprises a sulfite-based reducing bleach.
  • the composition comprises from 0.05wt% to 15wt% sulfite-based reducing bleach.
  • the sulfite-based reducing bleach is selected from sulfite, bisulfite, dithionate, metabisulfite and any combination thereof.
  • Suitable detersive surfactants include anionic detersive surfactants, non-ionic detersive surfactant, cationic detersive surfactants, zwitterionic detersive surfactants and amphoteric detersive surfactants.
  • Suitable detersive surfactants may be linear or branched, substituted or un-substituted, and may be derived from petrochemical material or biomaterial.
  • Anionic detersive surfactant Suitable anionic detersive surfactants include sulphonate and sulphate detersive surfactants.
  • Suitable sulphonate detersive surfactants include methyl ester sulphonates, alpha olefin sulphonates, alkyl benzene sulphonates, especially alkyl benzene sulphonates, preferably C 10-13 alkyl benzene sulphonate.
  • Suitable alkyl benzene sulphonate (LAS) is obtainable, preferably obtained, by sulphonating commercially available linear alkyl benzene (LAB); suitable LAB includes low 2-phenyl LAB, other suitable LAB include high 2-phenyl LAB, such as those supplied by Sasol under the tradename Hyblene ® .
  • Suitable sulphate detersive surfactants include alkyl sulphate, preferably C 8-18 alkyl sulphate, or predominantly C 12 alkyl sulphate.
  • a preferred sulphate detersive surfactant is alkyl alkoxylated sulphate, preferably alkyl ethoxylated sulphate, preferably a C 8-18 alkyl alkoxylated sulphate, preferably a C 8-18 alkyl ethoxylated sulphate, preferably the alkyl alkoxylated sulphate has an average degree of alkoxylation of from 0.5 to 20, preferably from 0.5 to 10, preferably the alkyl alkoxylated sulphate is a C 8-18 alkyl ethoxylated sulphate having an average degree of ethoxylation of from 0.5 to 10, preferably from 0.5 to 5, more preferably from 0.5 to 3 and most preferably from 0.5 to 1.5.
  • alkyl sulphate, alkyl alkoxylated sulphate and alkyl benzene sulphonates may be linear or branched, substituted or un-substituted, and may be derived from petrochemical material or biomaterial.
  • anionic detersive surfactants include alkyl ether carboxylates.
  • Suitable anionic detersive surfactants may be in salt form, suitable counter-ions include sodium, calcium, magnesium, amino alcohols, and any combination thereof. A preferred counterion is sodium.
  • Non-ionic detersive surfactant are selected from the group consisting of: C 8 -C 18 alkyl ethoxylates, such as, NEODOL ® non-ionic surfactants from Shell; C 6 -C 12 alkyl phenol alkoxylates wherein preferably the alkoxylate units are ethyleneoxy units, propyleneoxy units or a mixture thereof; C 12 -C 18 alcohol and C 6 -C 12 alkyl phenol condensates with ethylene oxide/propylene oxide block polymers such as Pluronic ® from BASF; alkylpolysaccharides, preferably alkylpolyglycosides; methyl ester ethoxylates; polyhydroxy fatty acid amides; ether capped poly(oxyalkylated) alcohol surfactants; and mixtures thereof.
  • C 8 -C 18 alkyl ethoxylates such as, NEODOL ® non-ionic surfactants from Shell
  • Suitable non-ionic detersive surfactants are alkylpolyglucoside and/or an alkyl alkoxylated alcohol.
  • Suitable non-ionic detersive surfactants include alkyl alkoxylated alcohols, preferably C 8-18 alkyl alkoxylated alcohol, preferably a C 8-18 alkyl ethoxylated alcohol, preferably the alkyl alkoxylated alcohol has an average degree of alkoxylation of from 1 to 50, preferably from 1 to 30, or from 1 to 20, or from 1 to 10, preferably the alkyl alkoxylated alcohol is a C 8-18 alkyl ethoxylated alcohol having an average degree of ethoxylation of from 1 to 10, preferably from 1 to 7, more preferably from 1 to 5 and most preferably from 3 to 7.
  • the alkyl alkoxylated alcohol can be linear or branched, and substituted or un-substituted.
  • Suitable nonionic detersive surfactants include secondary alcohol-based detersive surfactants.
  • Cationic detersive surfactant Suitable cationic detersive surfactants include alkyl pyridinium compounds, alkyl quaternary ammonium compounds, alkyl quaternary phosphonium compounds, alkyl ternary sulphonium compounds, and mixtures thereof.
  • Preferred cationic detersive surfactants are quaternary ammonium compounds having the general formula: (R)(R 1 )(R 2 )(R 3 )N + X - wherein, R is a linear or branched, substituted or unsubstituted C 6-18 alkyl or alkenyl moiety, R 1 and R 2 are independently selected from methyl or ethyl moieties, R 3 is a hydroxyl, hydroxymethyl or a hydroxyethyl moiety, X is an anion which provides charge neutrality, preferred anions include: halides, preferably chloride; sulphate; and sulphonate.
  • Suitable zwitterionic detersive surfactants include amine oxides and/or betaines.
  • Suitable polymers include carboxylate polymers, soil release polymers, anti-redeposition polymers, cellulosic polymers, care polymers and any combination thereof.
  • Carboxylate polymer The composition may comprise a carboxylate polymer, such as a maleate/acrylate random copolymer or polyacrylate homopolymer.
  • Suitable carboxylate polymers include: polyacrylate homopolymers having a molecular weight of from 4,000 Da to 9,000 Da; maleate/acrylate random copolymers having a molecular weight of from 50,000 Da to 100,000 Da, or from 60,000 Da to 80,000 Da.
  • Another suitable carboxylate polymer is a co-polymer that comprises: (i) from 50 to less than 98 wt% structural units derived from one or more monomers comprising carboxyl groups; (ii) from 1 to less than 49 wt% structural units derived from one or more monomers comprising sulfonate moieties; and (iii) from 1 to 49 wt% structural units derived from one or more types of monomers selected from ether bond-containing monomers represented by formulas (I) and (II): wherein in formula (I), R 0 represents a hydrogen atom or CH 3 group, R represents a CH 2 group, CH 2 CH 2 group or single bond, X represents a number 0-5 provided X represents a number 1-5 when R is a single bond, and R 1 is a hydrogen atom or C 1 to C 20 organic group; wherein in formula (II), R 0 represents a hydrogen atom or CH 3 group, R represents a CH 2 group, CH 2 CH 2 group or single bond,
  • the polymer has a weight average molecular weight of at least 50kDa, or even at least 70kDa.
  • Soil release polymer The composition may comprise a soil release polymer.
  • a suitable soil release polymer has a structure as defined by one of the following structures (I), (II) or (III): (I) -[(OCHR 1 -CHR 2 ) a -O-OC-Ar-CO-] d (II) -[(OCHR 3 -CHR 4 ) b -O-OC-sAr-CO-] e (III) -[(OCHR 5 -CHR 6 ) c -OR 7 ] f wherein:
  • Suitable soil release polymers are sold by Clariant under the TexCare ® series of polymers, e.g. TexCare ® SRN240 and TexCare ® SRA300.
  • Other suitable soil release polymers are sold by Solvay under the Repel-o-Tex ® series of polymers, e.g. Repel-o-Tex ® SF2 and Repel-o-Tex ® Crystal.
  • Anti-redeposition polymer examples include polyethylene glycol polymers and/or polyethyleneimine polymers.
  • Suitable polyethylene glycol polymers include random graft co-polymers comprising: (i) hydrophilic backbone comprising polyethylene glycol; and (ii) hydrophobic side chain(s) selected from the group consisting of: C 4 -C 25 alkyl group, polypropylene, polybutylene, vinyl ester of a saturated C 1 -C 6 mono-carboxylic acid, C 1 -C 6 alkyl ester of acrylic or methacrylic acid, and mixtures thereof.
  • Suitable polyethylene glycol polymers have a polyethylene glycol backbone with random grafted polyvinyl acetate side chains.
  • the average molecular weight of the polyethylene glycol backbone can be in the range of from 2,000 Da to 20,000 Da, or from 4,000 Da to 8,000 Da.
  • the molecular weight ratio of the polyethylene glycol backbone to the polyvinyl acetate side chains can be in the range of from 1:1 to 1:5, or from 1:1.2 to 1:2.
  • the average number of graft sites per ethylene oxide unit can be less than 0.02, or less than 0.016, the average number of graft sites per ethylene oxide unit can be in the range of from 0.010 to 0.018, or the average number of graft sites per ethylene oxide unit can be less than 0.010, or in the range of from 0.004 to 0.008.
  • Suitable polyethylene glycol polymers are described in WO08/007320.
  • a suitable polyethylene glycol polymer is Sokalan HP22.
  • Cellulosic polymer Suitable cellulosic polymers are selected from alkyl cellulose, alkyl alkoxyalkyl cellulose, carboxyalkyl cellulose, alkyl carboxyalkyl cellulose, sulphoalkyl cellulose, more preferably selected from carboxymethyl cellulose, methyl cellulose, methyl hydroxyethyl cellulose, methyl carboxymethyl cellulose, and mixures thereof.
  • Suitable carboxymethyl celluloses have a degree of carboxymethyl substitution from 0.5 to 0.9 and a molecular weight from 100,000 Da to 300,000 Da.
  • Suitable carboxymethyl celluloses have a degree of substitution greater than 0.65 and a degree of blockiness greater than 0.45, e.g. as described in WO09/154933.
  • Suitable care polymers include cellulosic polymers that are cationically modified or hydrophobically modified. Such modified cellulosic polymers can provide anti-abrasion benefits and dye lock benefits to fabric during the laundering cycle. Suitable cellulosic polymers include cationically modified hydroxyethyl cellulose.
  • Suitable care polymers include dye lock polymers, for example the condensation oligomer produced by the condensation of imidazole and epichlorhydrin, preferably in ratio of 1:4:1.
  • a suitable commercially available dye lock polymer is Polyquart ® FDI (Cognis).
  • Suitable care polymers include amino-silicone, which can provide fabric feel benefits and fabric shape retention benefits.
  • Enzymes include lipases, proteases, cellulases, amylases and any combination thereof.
  • Suitable proteases include metalloproteases and/or serine proteases.
  • suitable neutral or alkaline proteases include: subtilisins (EC 3.4.21.62); trypsin-type or chymotrypsin-type proteases; and metalloproteases.
  • the suitable proteases include chemically or genetically modified mutants of the aforementioned suitable proteases.
  • Suitable commercially available protease enzymes include those sold under the trade names Alcalase ® , Savinase ® , Primase ® , Durazym ® , Polarzyme ® , Kannase ® , Liquanase ® , Liquanase Ultra ® , Savinase Ultra ® , Ovozyme ® , Neutrase ® , Everlase ® and Esperase ® by Novozymes A/S (Denmark), those sold under the tradename Maxatase ® , Maxacal ® , Maxapem ® , Preferenz P ® series of proteases including Preferenz ® P280, Preferenz ® P281, Preferenz ® P2018-C, Preferenz ® P2081-WE, Preferenz ® P2082-EE and Preferenz ® P2083-A/J, Properase ® , Purafect ®
  • a suitable protease is described in WO11/140316 and WO11/072117 .
  • Amylase Suitable amylases are derived from AA560 alpha amylase endogenous to Bacillus sp. DSM 12649, preferably having the following mutations: R118K, D183 ⁇ , G184 ⁇ , N195F, R320K, and/or R458K.
  • Suitable commercially available amylases include Stainzyme ® , Stainzyme ® Plus, Natalase, Termamyl ® , Termamyl ® Ultra, Liquezyme ® SZ, Duramyl ® , Everest ® (all Novozymes) and Spezyme ® AA, Preferenz S ® series of amylases, Purastar ® and Purastar ® Ox Am, Optisize ® HT Plus (all Du Pont).
  • a suitable amylase is described in WO06/002643 .
  • Suitable cellulases include those of bacterial or fungal origin. Chemically modified or protein engineered mutants are also suitable. Suitable cellulases include cellulases from the genera Bacillus, Pseudomonas, Humicola, Fusarium, Thielavia, Acremonium, e.g., the fungal cellulases produced from Humicola insolens, Myceliophthora thermophila and Fusarium oxysporum.
  • cellulases include Celluzyme ® , Carezyme ® , and Carezyme ® Premium, Celluclean ® and Whitezyme ® (Novozymes A/S), Revitalenz ® series of enzymes (Du Pont), and Biotouch ® series of enzymes (AB Enzymes).
  • Suitable commercially available cellulases include Carezyme ® Premium, Celluclean ® Classic. Suitable cellulases are described in WO07/144857 and WO10/056652 .
  • Suitable lipases include those of bacterial, fungal or synthetic origin, and variants thereof. Chemically modified or protein engineered mutants are also suitable. Examples of suitable lipases include lipases from Humicola (synonym Thermomyces ) , e.g., from H. lanuginosa ( T. lanuginosus ).
  • the lipase may be a "first cycle lipase", e.g. such as those described in WO06/090335 and WO13/116261 .
  • the lipase is a first-wash lipase, preferably a variant of the wild-type lipase from Thermomyces lanuginosus comprising T231R and/or N233R mutations.
  • Preferred lipases include those sold under the tradenames Lipex ® , Lipolex ® and Lipoclean ® by Novozymes, Bagsvaerd, Denmark.
  • Liprl 139 e.g. as described in WO2013/171241
  • TfuLip2 e.g. as described in WO2011/084412 and WO2013/033318 .
  • Other enzymes are bleaching enzymes, such as peroxidases/oxidases, which include those of plant, bacterial or fungal origin and variants thereof.
  • peroxidases include Guardzyme ® (Novozymes A/S).
  • suitable enzymes include choline oxidases and perhydrolases such as those used in Gentle Power Bleach TM .
  • Suitable enzymes include pectate lyases sold under the tradenames X-Pect ® , Pectaway ® (from Novozymes A/S, Bagsvaerd, Denmark) and PrimaGreen ® (DuPont) and mannanases sold under the tradenames Mannaway ® (Novozymes A/S, Bagsvaerd, Denmark), and Mannastar ® (Du Pont).
  • Zeolite builder The composition may comprise zeolite builder.
  • the composition may comprise from 0wt% to 5wt% zeolite builder, or 3wt% zeolite builder.
  • the composition may even be substantially free of zeolite builder; substantially free means "no deliberately added".
  • Typical zeolite builders include zeolite A, zeolite P and zeolite MAP.
  • the composition may comprise phosphate builder.
  • the composition may comprise from 0wt% to 5wt% phosphate builder, or to 3wt%, phosphate builder.
  • the composition may even be substantially free of phosphate builder; substantially free means "no deliberately added".
  • a typical phosphate builder is sodium tri-polyphosphate.
  • Carbonate salt The composition may comprise carbonate salt.
  • the composition may comprise from 0wt% to 10wt% carbonate salt, or to 5wt% carbonate salt.
  • the composition may even be substantially free of carbonate salt; substantially free means "no deliberately added".
  • Suitable carbonate salts include sodium carbonate and sodium bicarbonate.
  • Silicate salt The composition may comprise silicate salt.
  • the composition may comprise from 0wt% to 10wt% silicate salt, or to 5wt% silicate salt.
  • a preferred silicate salt is sodium silicate, especially preferred are sodium silicates having a Na 2 O:SiO 2 ratio of from 1.0 to 2.8, preferably from 1.6 to 2.0.
  • Sulphate salt A suitable sulphate salt is sodium sulphate.
  • Suitable fluorescent brighteners include: di-styryl biphenyl compounds, e.g. Tinopal ® CBS-X, di-amino stilbene di-sulfonic acid compounds, e.g. Tinopal ® DMS pure Xtra and Blankophor ® HRH, and Pyrazoline compounds, e.g. Blankophor ® SN, and coumarin compounds, e.g. Tinopal ® SWN
  • Preferred brighteners are: sodium 2 (4-styryl-3-sulfophenyl)-2H-napthol[1,2-d]triazole, 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-sulfostyryl)biphenyl.
  • a suitable fluorescent brightener is C.I. Fluorescent Brightener 260, which may be used in its beta or alpha crystalline forms, or a mixture of these forms.
  • the composition may also comprise a chelant.
  • chelating agents may include phosphonates, aminocarboxylates, amino phosphonates, polyfunctionally-substituted aromatic chelating agents, or mixtures thereof, preferably aminocarboxylates.
  • the chelating agents, as used herein, are not intended to include traditional builders, such as citric acid, although such builders may be present in compositions of the present disclosure.
  • Aminocarboxylates useful as chelating agents include, but are not limited to, ethylenediaminetetracetates, N-(hydroxyethyl)ethylenediaminetriacetates, nitrilotriacetates, ethylenediamine tetraproprionates, triethylenetetraaminehexacetates, diethylenetriamine-pentaacetates, and ethanoldiglycines, alkali metal, ammonium, and substituted ammonium salts thereof, and mixtures thereof.
  • Aminophosphonates are also suitable for use as chelating agents in the compositions of the invention when low levels of total phosphorus are permitted; and include ethylenediaminetetrakis (methylenephosphonates).
  • Polyfunctionally-substituted aromatic chelating agents may include catechols, for example sulphonated catechols.
  • Suitable chelating agents may include: DTPA (diethylenetriaminepentaacetic acid), HEDP (hydroxyethanediphosphonic acid), EDDS (ethylenediamine disuccinate (EDDS), DTPMP (diethylene triamine penta (methylene phosphonic acid)), EDTMP (ethylene diamine tetra(methylene phosphonic acid)), Tiron ® (1,2-diydroxybenzene-3,5-disulfonic acid), HPNO (2-pyridinol-N-oxide), MGDA (methylglycinediacetic acid), GLDA (glutamic-N,N-diacetic acid), any suitable derivative thereof, salts thereof, and mixtures thereof.
  • DTPA diethylenetriaminepentaacetic acid
  • HEDP hydroxyethanediphosphonic acid
  • EDDS ethylenediamine disuccinate
  • DTPMP diethylene triamine penta (methylene phosphonic acid)
  • EDTMP
  • Hueing agent Suitable hueing agents include small molecule dyes, typically falling into the Colour Index (C.I.) classifications of Acid, Direct, Basic, Reactive (including hydrolysed forms thereof) or Solvent or Disperse dyes, for example classified as Blue, Violet, Red, Green or Black, and provide the desired shade either alone or in combination.
  • C.I. Colour Index
  • Solvent or Disperse dyes for example classified as Blue, Violet, Red, Green or Black, and provide the desired shade either alone or in combination.
  • Preferred such hueing agents include Acid Violet 50, Direct Violet 9, 66 and 99, Solvent Violet 13 and any combination thereof.
  • hueing agents are known and described in the art which may be suitable for the present invention, such as hueing agents described in WO2014/089386 .
  • Suitable hueing agents include phthalocyanine and azo dye conjugates, such as described in WO2009/069077 .
  • Suitable hueing agents may be alkoxylated. Such alkoxylated compounds may be produced by organic synthesis that may produce a mixture of molecules having different degrees of alkoxylation. Such mixtures may be used directly to provide the hueing agent, or may undergo a purification step to increase the proportion of the target molecule.
  • Suitable hueing agents include alkoxylated bis-azo dyes, such as described in WO2012/054835 , and/or alkoxylated thiophene azo dyes, such as described in WO2008/087497 and WO2012/166768 .
  • the hueing agent may be incorporated into the detergent composition as part of a reaction mixture which is the result of the organic synthesis for a dye molecule, with optional purification step(s).
  • reaction mixtures generally comprise the dye molecule itself and in addition may comprise un-reacted starting materials and/or by-products of the organic synthesis route.
  • Suitable hueing agents can be incorporated into hueing dye particles, such as described in WO 2009/069077 .
  • a preferred hueing agent may be an anthraquinone hueing dye.
  • a suitable hueing agent is disperse violet 28.
  • Suitable dye transfer inhibitors include polyamine N-oxide polymers, copolymers of N-vinylpyrrolidone and N-vinylimidazole, polyvinylpyrrolidone, polyvinyloxazolidone, polyvinylimidazole and mixtures thereof. Preferred are poly(vinyl pyrrolidone), poly(vinylpyridine betaine), poly(vinylpyridine N-oxide), poly(vinyl pyrrolidonevinyl imidazole) and mixtures thereof.
  • Suitable commercially available dye transfer inhibitors include PVP-K15 and K30 (Ashland), Sokalan ® HP165, HP50, HP53, HP59, HP56K, HP56, HP66 (BASF), Chromabond ® S-400, S403E and S-100 (Ashland).
  • Suitable perfumes comprise perfume materials selected from the group: (a) perfume materials having a ClogP of less than 3.0 and a boiling point of less than 250°C (quadrant 1 perfume materials); (b) perfume materials having a ClogP of less than 3.0 and a boiling point of 250°C or greater (quadrant 2 perfume materials); (c) perfume materials having a ClogP of 3.0 or greater and a boiling point of less than 250°C (quadrant 3 perfume materials); (d) perfume materials having a ClogP of 3.0 or greater and a boiling point of 250°C or greater (quadrant 4 perfume materials); and (e) mixtures thereof.
  • the perfume may be in the form of a perfume delivery technology. Such delivery technologies further stabilize and enhance the deposition and release of perfume materials from the laundered fabric. Such perfume delivery technologies can also be used to further increase the longevity of perfume release from the laundered fabric. Suitable perfume delivery technologies include: perfume microcapsules, pro-perfumes, polymer assisted deliveries, molecule assisted deliveries, fiber assisted deliveries, amine assisted deliveries, cyclodextrin, starch encapsulated accord, zeolite and other inorganic carriers, and any mixture thereof. A suitable perfume microcapsule is described in WO2009/101593 .
  • Suitable silicones include polydimethylsiloxane and amino-silicones. Suitable silicones are described in WO05075616 .
  • the particles of the composition can be prepared by any suitable method. For example: spray-drying, agglomeration, extrusion and any combination thereof.
  • a suitable spray-drying process comprises the step of forming an aqueous slurry mixture, transferring it through at least one pump, preferably two pumps, to a pressure nozzle. Atomizing the aqueous slurry mixture into a spray-drying tower and drying the aqueous slurry mixture to form spray-dried particles.
  • the spray-drying tower is a counter-current spray-drying tower, although a co-current spray-drying tower may also be suitable.
  • the spray-dried powder is subjected to cooling, for example an airlift.
  • the spray-drying powder is subjected to particle size classification, for example a sieve, to obtain the desired particle size distribution.
  • the spray-dried powder has a particle size distribution such that weight average particle size is in the range of from 300 micrometers to 500 micrometers, and less than 10wt% of the spray-dried particles have a particle size greater than 2360 micrometers.
  • aqueous slurry mixture may be heated to elevated temperatures prior to atomization into the spray-drying tower, such as described in WO2009/158162 .
  • anionic surfactant such as linear alkyl benzene sulphonate
  • anionic surfactant such as linear alkyl benzene sulphonate
  • a gas such as air
  • a gas such as air
  • any inorganic ingredients such as sodium sulphate and sodium carbonate, if present in the aqueous slurry mixture, to be micronized to a small particle size such as described in WO2012/134969 .
  • a suitable agglomeration process comprises the step of contacting a detersive ingredient, such as a detersive surfactant, e.g. linear alkyl benzene sulphonate (LAS) and/or alkyl alkoxylated sulphate, with an inorganic material, such as sodium carbonate and/or silica, in a mixer.
  • a detersive ingredient such as a detersive surfactant, e.g. linear alkyl benzene sulphonate (LAS) and/or alkyl alkoxylated sulphate
  • LAS linear alkyl benzene sulphonate
  • an inorganic material such as sodium carbonate and/or silica
  • the agglomeration process may also be an in-situ neutralization agglomeration process wherein an acid precursor of a detersive surfactant, such as LAS, is contacted with an alkaline material, such as carbonate and/or sodium hydroxide, in a mixer, and wherein the acid precursor of a detersive surfactant is neutralized by the alkaline material to form a detersive surfactant during the agglomeration process.
  • a detersive surfactant such as LAS
  • Suitable detergent ingredients include polymers, chelants, bleach activators, silicones and any combination thereof.
  • the agglomeration process may be a high, medium or low shear agglomeration process, wherein a high shear, medium shear or low shear mixer is used accordingly.
  • the agglomeration process may be a multi-step agglomeration process wherein two or more mixers are used, such as a high shear mixer in combination with a medium or low shear mixer.
  • the agglomeration process can be a continuous process or a batch process.
  • the agglomerates may be subjected to a drying step, for example to a fluid bed drying step. It may also be preferred for the agglomerates to be subjected to a cooling step, for example a fluid bed cooling step.
  • the agglomerates are subjected to particle size classification, for example a fluid bed elutriation and/or a sieve, to obtain the desired particle size distribution.
  • particle size classification for example a fluid bed elutriation and/or a sieve
  • the agglomerates have a particle size distribution such that weight average particle size is in the range of from 300 micrometers to 800 micrometers, and less than 10wt% of the agglomerates have a particle size less than 150 micrometers and less than 10wt% of the agglomerates have a particle size greater than 1200 micrometers.
  • fines and over-sized agglomerates may be recycled back into the agglomeration process.
  • over-sized particles are subjected to a size reduction step, such as grinding, and recycled back into an appropriate place in the agglomeration process, such as the mixer.
  • fines are recycled back into an appropriate place in the agglomeration process, such as the mixer.
  • ingredients such as polymer and/or non-ionic detersive surfactant and/or perfume to be sprayed onto base detergent particles, such as spray-dried base detergent particles and/or agglomerated base detergent particles.
  • base detergent particles such as spray-dried base detergent particles and/or agglomerated base detergent particles.
  • this spray-on step is carried out in a tumbling drum mixer.
  • the method of laundering fabric comprises the step of contacting the composition to water to form a wash liquor, and laundering fabric in said wash liquor.
  • the wash liquor has a temperature of above 0°C to 90°C, or to 60°C, or to 40°C, or to 30°C, or to 20°C.
  • the fabric may be contacted to the water prior to, or after, or simultaneous with, contacting the solid composition with water.
  • the wash liquor is formed by contacting the laundry detergent to water in such an amount so that the concentration of laundry detergent composition in the wash liquor is from 0.2g/l to 20g/l, or from 0.5g/l to 10g/l, or to 5.0g/l.
  • the method of laundering fabric can be carried out in a front-loading automatic washing machine, top loading automatic washing machines, including high efficiency automatic washing machines, or suitable hand-wash vessels.
  • the wash liquor comprises 90 litres or less, or 60 litres or less, or 15 litres or less, or 10 litres or less of water.
  • 200g or less, or 150g or less, or 100g or less, or 50g or less of laundry detergent composition is contacted to water to form the wash liquor.
  • the pH of the composition is measured using an electrode.
  • the composition is diluted to a concentration of 10g/l in deionized water at 20°C and stirred to dissolve the composition.
  • a pH meter such as an electrode, is then used to measure the pH of the sample.
  • Example 1 Compatibility of Iron-based catalyst and reducing bleach
  • composition Comparative Composition 1 Comparative Composition 2 Comparative Composition 3
  • Inventive Composition Ingredients Dosage (Active ppm) Disodium 4,4'-bis[(4-anilino-6-morpholino-1,3,5-triazin-2-yl)amino]stilbene-2,2'-disulphonate 6.689 6.689 6.689 6.689 Disodium 4,4'-Bis-(2-Sulfostyryl)Biphenyl 1.336 1.336 1.336 1.336 Carboxymethyl Cellulose 4.225 4.225 4.225 4.225 Citric Acid 0.201 0.201 0.201 0.201 0.201 Mannanase 0.010 0.010 0.010 0.010 Amylase 0.015 0.015 0.015 0.015 0.015 Protease 0.153 0.153 0.153 0.153 LAS 468.688 468.688 468.68.688 468.68.688 Hueing Dye 0.912 0.912 0.912 0.912 Sodium
  • Washing method The following method demonstrates the ability of the example compositions to remove stains during the wash process.
  • the compositions were added separately into pots of a tergotometer. The volume of each pot was 1 L. The wash temperature was set to 27 °C. Throughout the procedure, 7 gpg water was used. The wash solutions were agitated for 1 minute (300rpm) before addition of fabrics (two internal replicates of each stain, and additional knitted cotton ballast to make the total fabric weight up to 60 g). Once the fabrics were added, the wash solution was agitated for 17 minutes (208rpm). The wash solutions were then drained and the fabrics were subject to a 5 minute rinse step before being drained and spun dry.
  • Dopiaza (turmeric-based stain) is used to evaluate the performance of the FeONIX catalyst.
  • FeONIX is effective in the presence of reducing bleach.
  • Reference Comparative Composition 1 nil FeONIX & nil sulfite
  • Reference Comparative Composition 2 (FeONIX only, nil sulfite) 70.2 0.96 0.3
  • Comparative Composition 3 (sulfite only, nil FeONIX) 82.3 0.75 12.4
  • Inventive Composition (FeONIX & sulfite combination) 84.2 0.71 14.3
  • Ink is used to evaluate the performance of reducing bleach (sulfite).
  • the above example shows that sulfite is effective in the presence of the FeONIX bleach catalyst.
  • Composition Comparative Composition 1 Comparative Composition 2 Comparative Composition 4 Comparative Composition 5
  • Ingredients Dosage (Active ppm) Disodium 4,4'-bis[(4-anilino-6-morpholino-1,3,5-triazin-2-yl)amino]stilbene-2,2'-disulphonate 6.689 6.689 6.689 6.689 Disodium 4,4'-Bis-(2-Sulfostyryl)Biphenyl 1.336 1.336 1.336 1.336 Carboxymethyl Cellulose 4.225 4.225 4.225 4.225 Citric Acid 0.201 0.201 0.201 0.201 0.201 Mannanase 0.010 0.010 0.010 Amylase 0.015 0.015 0.015 0.015 0.015 Protease 0.153 0.153 0.153 0.153 LAS 468.688 468.688 468.688 468.68.688 Hueing Dye 0.912 0.912 0.912 0.912 Sodium Carbonate 660.524
  • Washing method The following method demonstrates the ability of the example compositions to remove stains during the wash process.
  • the compositions were added separately into pots of a tergotometer. The volume of each pot was 1 L. The wash temperature was set to 27 °C. Throughout the procedure, 21 gpg water was used. The wash solutions were agitated for 1 minute (300rpm) before addition of fabrics (two internal replicates of each stain, and additional knitted cotton ballast to make the total fabric weight up to 60 g). Once the fabrics were added, the wash solution was agitated for 17 minutes (208rpm). The wash solutions were then drained and the fabrics were subject to a 5 minute rinse step before being drained and spun dry. This procedure was repeated a further three times to give a total of four external replicates. The washed fabrics were then dried overnight at 32 ° C and 80%RH conditions before being analysed to measure the stain removal from the fabric.
  • Dopiaza (turmeric-based stain) is used to evaluate the performance of the FeONIX catalyst.
  • the above example shows that FeONIX is not effective in the presence of oxygen-based bleach.
EP22181238.1A 2022-06-27 2022-06-27 Composition de détergent de blanchisserie particulaire solide à écoulement libre Pending EP4299701A1 (fr)

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EP22181238.1A EP4299701A1 (fr) 2022-06-27 2022-06-27 Composition de détergent de blanchisserie particulaire solide à écoulement libre
PCT/US2023/068851 WO2024006656A1 (fr) 2022-06-27 2023-06-22 Composition de détergent à lessive particulaire à écoulement libre solide

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WO2013171241A1 (fr) 2012-05-16 2013-11-21 Novozymes A/S Composition comprenant une lipase et procédés d'utilisation associés
WO2013181205A1 (fr) 2012-06-01 2013-12-05 The Procter & Gamble Company Procédé de séchage par pulvérisation
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WO2005075616A1 (fr) 2004-02-03 2005-08-18 The Procter & Gamble Company L'invention concerne une composition a utiliser dans le lessivage ou le traitement de tissus
WO2006002643A2 (fr) 2004-07-05 2006-01-12 Novozymes A/S Variants d'alpha-amylases presentant des proprietes modifiees
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WO2009069077A2 (fr) 2007-11-26 2009-06-04 The Procter & Gamble Company Compositions détergentes
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WO2011084412A1 (fr) 2009-12-21 2011-07-14 Danisco Us Inc. Compositions détergentes contenant une lipase issue de thermobifida fusca et leurs procédés d'utilisation
US20110212874A1 (en) * 2010-03-01 2011-09-01 Michelle Meek Composition Comprising Co-Bleach Particle and Amylase
WO2011140316A1 (fr) 2010-05-06 2011-11-10 The Procter & Gamble Company Produits de consommation comprenant des variants de protéases
WO2012054835A1 (fr) 2010-10-22 2012-04-26 The Procter & Gamble Company Utilisation de colorants diazo comme produits d'azurage
WO2012134969A1 (fr) 2011-03-25 2012-10-04 The Procter & Gamble Company Particules de détergent lessiviel séchées par atomisation
WO2012166768A1 (fr) 2011-06-03 2012-12-06 The Procter & Gamble Company Compositions d'entretien du linge contenant des colorants
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WO2013033318A1 (fr) 2011-08-31 2013-03-07 Danisco Us Inc. Compositions et procédés comprenant un variant d'enzyme lipolytique
WO2013092051A1 (fr) * 2011-12-20 2013-06-27 Unilever Plc Détergents liquides comprenant une lipase et un catalyseur de blanchiment
WO2013116261A2 (fr) 2012-02-03 2013-08-08 The Procter & Gamble Company Compositions et procédés pour traitement de surface par des lipases
WO2013171241A1 (fr) 2012-05-16 2013-11-21 Novozymes A/S Composition comprenant une lipase et procédés d'utilisation associés
WO2013181205A1 (fr) 2012-06-01 2013-12-05 The Procter & Gamble Company Procédé de séchage par pulvérisation
WO2014089386A1 (fr) 2012-12-06 2014-06-12 The Procter & Gamble Company Sac soluble comprenant un colorant teintant

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