WO2011107397A1 - Compositions détergentes pour le linge comprenant un agent antimousse de type silicone aminée - Google Patents

Compositions détergentes pour le linge comprenant un agent antimousse de type silicone aminée Download PDF

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Publication number
WO2011107397A1
WO2011107397A1 PCT/EP2011/052775 EP2011052775W WO2011107397A1 WO 2011107397 A1 WO2011107397 A1 WO 2011107397A1 EP 2011052775 W EP2011052775 W EP 2011052775W WO 2011107397 A1 WO2011107397 A1 WO 2011107397A1
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WO
WIPO (PCT)
Prior art keywords
radical
laundry detergent
composition
detergent composition
formula
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Application number
PCT/EP2011/052775
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English (en)
Inventor
Rupesh Kumar Agarwal
Vijaya Milind Bargaje
Dolly Himanshu Desai
Prachi Kashinath Kulkarni
Amit Kumar Paul
Meena Rajan
Vivek Sirohi
Neetu Verma
Dominic Xavier
Original Assignee
Unilever Nv
Unilever Plc
Hindustan Unilever Limited
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Application filed by Unilever Nv, Unilever Plc, Hindustan Unilever Limited filed Critical Unilever Nv
Priority to PCT/EP2011/052775 priority Critical patent/WO2011107397A1/fr
Publication of WO2011107397A1 publication Critical patent/WO2011107397A1/fr

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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
    • C11D3/0026—Low foaming or foam regulating compositions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D19/00—Degasification of liquids
    • B01D19/02—Foam dispersion or prevention
    • B01D19/04—Foam dispersion or prevention by addition of chemical substances
    • B01D19/0404—Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance
    • B01D19/0413—Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance compounds containing N-atoms
    • 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
    • C11D3/001—Softening 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
    • C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/373—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicones
    • C11D3/3742—Nitrogen containing silicones

Definitions

  • the present invention relates to laundry detergent compositions having delayed-release amino silicone antifoam.
  • Fabric conditioners are considered to be premium laundry products, and consumers who use detergent powders in domestic hand-wash laundry process, generally cannot afford fabric conditioners. Considering the amount of water that gets wasted in the rinse process, there is a need for detergent compositions which generate higher amount of foam during the washing cycle, but at the same time, which exhibits enough antifoaming activity during the rinsing cycle, so that one or two rinses are sufficient.
  • US 4637890 A discloses a detergent composition that acts as defoamer in the rinsing cycle.
  • the composition has suds/foam controlling prills having fatty acid soap, quaternary ammonium salt and silicone fluid.
  • the prills dissolve at high pH (from 9 to 10.5) but are not active at the pH. Prills become active at lower pH during the rinse cycle, to suppress suds.
  • US 48941 17 A discloses a composition of agglomerated granules for the delayed release of antifoaming agent in laundry compositions.
  • the antifoam is based on silicone, which is adsorbed on a powdered water soluble carrier selected from modified cellulose carriers which are subsequently agglomerated into granular form by mixing in presence of a solvent for the carrier.
  • Detergent powders containing improved delayed-release antifoam agents are desired.
  • a modified amino silicone antifoam shows improved delayed- release action when used in detergent powders.
  • A is an amino radical of the formula
  • X is R or a polyoxyalkylen group G of the formula -R 4 -(0-R 5 ) y -0-R 6
  • R is a monovalent hydrocarbon radical having from 1 to 18 carbon atoms
  • R 1 is a divalent Ci-Ci 0 -alkylen radical, preferably a radical of the formula - CH 2 CH 2 CH 2 -,
  • R 2 is a hydrogen atom or a CrC 4 -alkyl radical, preferably a hydrogen atom,
  • R 3 is a divalent Ci-Ci 0 -alkylen radical, preferably a radical of the formula - CH 2 CH 2 -,
  • R 4 is a divalent Ci-Ci 0 -alkylen, preferably a radical of the formula -CH 2 CH 2 CH 2 -
  • R 5 is a CrC 4 -alkylen radical, preferably a radical of the formula -CH 2 CH 2 - or -
  • R 6 is a hydrogen atom or an CrC 4 -alkyl radical, preferably a hydrogen atom or a methyl radical, more preferably a hydrogen atom,
  • n is an integer from 1 to 6, preferably from 1 to 3,
  • n is an integer from 1 to 200, preferably from 1 to 80,
  • x is 0 or 1
  • y is an integer from 5 to 20, preferably from 5 to 12,
  • radicals X are polyoxyalkylen groups G;
  • the amino radical (A) is selected from -(CH 2 ) 3 NH 2 ; -(CH 2 ) 3 NH (CH 2 ) 2 NH 2 ; - (CHzfeNHCeHu; -(CH 2 ) 3 NH (CH 2 ) 2 NHC 6 Hn; -(CH(CH 3 )CH 2 CH 2 )NH 2 ;
  • the most preferred radical is selected from -(CH 2 ) 3 NH 2 or -(CH 2 ) 3 NH (CH 2 ) 2 NH 2 .
  • the amine number of the modified silicone antifoam fluid of formula (I) is from 0.6 mg of KOH/g of polymer to 2.0 mg of KOH/ g of polymer of the silicone fluid of formula (I), and more preferably from 1 .0 to 1.5 mg of KOH/ g of polymer of the silicone fluid.
  • X involving polyoxyalkylen radical group G is (CH 2 ) 3 -(OC 2 H 4 ) y -0-R 6 ;
  • hydrocarbon R examples include alkyl radicals, such as the methyl, ethyl, n-propyl, isopropyl, 1 -n-butyl, 2-n-butyl, isobutyl, tert-butyl, n-pentyl, isopentyl, neopentyl and tert-pentyl radical, hexyl radicals, such as the n-hexyl radical, heptyl radicals, such as the n-heptyl radical, octyl radicals, such as the n-octyl radical and isooctyl radicals, such as the 2,2,4-trimethylpentyl radical, nonyl radicals, such as the n-nonyl radicals, decyl radicals, such as the n-decyl radical, dodecyl radicals, such as the n-dodecyl radical, and octadecy
  • a laundry detergent composition for machine or hand washing comprising:
  • any particular upper concentration can be associated with any particular lower concentration or amount.
  • weight percent, percent by weight, % by weight, wt%, and the like are synonyms that refer to the concentration of a substance as the weight of that substance divided by the weight of the composition and multiplied by 100.
  • the present invention relates to laundry detergent composition for machine or hand wash comprising an antifoam powder involving delayed- release antifoam.
  • compositions of the invention produce lower foam during the rinsing cycle and practically nil foam after two rinses.
  • the preferred compositions produce high levels of foam during the washing cycle.
  • Preferred detergent compositions include:
  • the detergent compositions include 2 wt% to 70 wt % surfactant, most preferably 10 to 30 wt% surfactants.
  • Preferred compositions include anionic or non-ionic surfactants. More preferred compositions include a mixture of an anionic surfactant and a non-ionic surfactant.
  • non-ionic and anionic surfactants may be chosen from the surfactants described in "Surface Active Agents” Vol. 1 , by Schwartz & Perry, Interscience 1949, Vol. 2 by Schwartz, Perry & Berch, Interscience 1958, in the current edition of "McCutcheon's Emulsifiers and Detergents” published by Manufacturing Confectioners Company or in
  • Suitable anionic surfactants which may be used are usually water-soluble alkali metal salts of organic sulphates and sulphonates having alkyl radicals containing from about 8 to about 22 carbon atoms, the term alkyl being used to include the alkyl portion of higher acyl radicals.
  • suitable synthetic anionic detergent compounds are sodium and potassium alkyl sulphates, especially those obtained by sulphating higher C 5 to Ci 5 alcohols, produced for example from tallow or coconut oil, sodium and potassium alkyl C 8 to C 20 benzene
  • sulphonates particularly sodium linear secondary alkyl Ci 0 to Ci 5 benzene sulphonates; and sodium alkyl glyceryl ether sulphates, especially those ethers of the higher alcohols derived from tallow or coconut oil and synthetic alcohols derived from petroleum.
  • the highly preferred anionic surfactants are sodium C 6 to Ci 5 alkyl benzene sulphonates (commonly called LAS) and sodium Ci 2 to Ci 5 alkyl sulphates.
  • Suitable nonionic surfactants which may be used include, in particular, the reaction products of compounds having a hydrophobic group and a reactive hydrogen atom, for example, aliphatic alcohols, acids, amides or alkyl phenols with alkylene oxides, especially ethylene oxide (EO) either alone or with propylene oxide.
  • Specific nonionic detergent compounds are C 6 to C 22 alkyl phenol-ethylene oxide condensates, generally 5 to 25 EO, i.e. 5 to 25 units of ethylene oxide per molecule, and the condensation products of aliphatic C6 to C18 primary or secondary linear or branched alcohols with ethylene oxide, generally 5 to 40 EO. It is preferred that a mixture of anionic and nonionic surfactants, in particular the groups and examples of anionic and nonionic surfactants pointed out in EP-A-346 995 (Unilever) is used.
  • Preferred compositions may include 1 wt% to 25 wt% nonionic surfactants.
  • other known surfactants such as cationic surfactants, amphoteric surfactant and zwitterionic surfactants may also be present in preferred compositions.
  • compositions include foaming surfactants, e.g. SLES (Sodium lauryl ether sulphate) or PAS (Primary alcohol sulphates) or a mixture thereof.
  • SLES Sodium lauryl ether sulphate
  • PAS Primary alcohol sulphates
  • the main foaming component is the anionic surfactant.
  • the anionic surfactant When a preferred detergent composition containing powdered form of the silicone antifoam fluid is dissolved in water; large amount of foam gets generated.
  • the modified amino silicone fluid As soon as soiled fabrics come in contact with the liquor during the washing cycle, the modified amino silicone fluid penetrates inside the fibers due to its high affinity to the fabrics. However, at this stage the quantity of lather is too high for the anionic surfactants to interact with the amino groups of the modified silicone so that any salt may be formed.
  • the foaming nature of the detergent composition is not affected.
  • the residual surfactants get mixed with fresh dose of water. It is believed that at this stage the foam density is comparatively lower. It is further believed that at this stage, the anionic surfactants get an opportunity to interact easily with the modified amino silicone which has penetrated and attached to the fabric, as the foam is much lower.
  • preferred detergent compositions allow significant reduction in environmental impact by saving substantial quantity of rinse-water.
  • the invention provides use of a laundry detergent composition of the first aspect for softness benefits on washed fabrics.
  • Suitable modified amino silicone antifoam fluids and powders thereof may be procured from Wacker Metroark Chemicals Pvt Ltd, India. Suitable silicone fluids and powders have been described in unpublished co-pending Indian Application 198/KOL/2010 filed by Wacker Metroark Chemicals Pvt Ltd, India.
  • compositions may include one or more of the following ingredients. Builders or complexing agents
  • Builders are often included in detergent composition in order to reduce the concentration of ree water hardness ions in the wash liquor. Ions such as Ca 2+ and Mg 2+ react with anionic surfactants, such as LAS, and cause precipitation.
  • Builders may be selected from calcium sequestrant materials, precipitating materials, calcium ion-exchange materials and mixtures thereof.
  • calcium sequestrant builders include alkali metal polyphosphates, such as sodium tripolyphosphate (STPP) and organic sequestrants, such as ethylene diamine tetra-acetic acid.
  • precipitating builders include sodium orthophosphate and sodium carbonate.
  • calcium ion-exchange builders include the various types of water-insoluble crystalline or amorphous
  • zeolites are the best known representatives, e.g. zeolite A, zeolite B (also known as zeolite P), zeolite C, zeolite X, zeolite Y and also the zeolite P-type.
  • Low cost formulations may preferably include carbonate (including bicarbonate and
  • sesquicarbonate and/or citrates as builders. It is preferred to use carbonates as builders.
  • compositions may suitably contain less than 20 wt %, preferably less than 10 wt% by weight, and most preferably less than 10 wt% builders.
  • compositions include non-phosphate builder.
  • Non-phosphate builders are preferred as they are environment-friendly.
  • shading dye means dyes which when formulated in detergent compositions can deposit onto fabrics when the fabrics are contacted with wash liquor having the detergent compositions, thus altering the tint of the fabric through absorption of visible light. Shading dyes are also known as hueing agents. Preferred compositions include at least one shading dye.
  • Shading dyes deposit onto fabrics during the wash or rinse step, providing a visible hue to the fabric. Shading of white fabrics may be done with any colour depending on consumer preference. Blue and violet are particularly preferred shades and consequently preferred dyes or mixtures of dyes are ones that give a blue or violet shade on white fabrics. Therefore preferred shading dyes are blue or violet.
  • Such dyes give a blue or violet colour to white fabrics.
  • the preferred hue angle is 240° to 345°, more preferably 260° to 320° and most preferably 270° to 300°.
  • Shading dyes may be classified into several classes and in several ways.
  • One way is to classify the dyes depends on their structures. Examples include azo dyes and anthraquinone dyes.
  • Another way is to classify them according to their mode of application. Examples include direct dyes and acid dyes, disperse, vat, and solvent dyes.
  • dyes are called hydrophobic or hydrophilic depending on their affinity for fabrics.
  • Yet another way of classifying shading dyes depends on whether the dyes deposit onto fabrics after a single-wash to show their effect, or whether they deposit after multiple washes. Dyes that deposit in a single-wash are called one-wash dyes.
  • Acid Violet 50 examples include Acid Violet 50 (AV50).
  • the others are called build-up dyes.
  • Some examples include Direct Violet 9 (DV9) and Solvent Violet 13 (SV13).
  • Other preferred dyes may be selected from the chemical classes of benzodifuranes, methine, triphenylmethanes, napthalimides, pyrazole, phthalocyanine napthoquinone, anthraquinone and mono-azo or di- azo dyes.
  • the dye may also be a disperse dye such as Disperse Violet 27 (DV27), Disperse Violet 26
  • Disperse Violet 28 is the most preferred disperse dye.
  • Particularly preferred hydrophobic dyes are SV13 and DV28; and DV28 is the most preferred hydrophobic dye.
  • Preferred compositions include 0.0001 wt % to 0.008 wt%, more preferably 0.0003 wt% to 0.006 wt% hydrophobic dye.
  • the hydrophobic dye is DV28, the preferred range is 0.001 wt% to 0.006 wt%.
  • the hydrophobic dye is SV13, the preferred range is 0.0003 wt% to 0.0025 wt%. It is preferred that DV28 is included in the form of an adjunct.
  • the adjunct may preferably be made of inorganic carriers like soda ash, Sodium sulphate or zeolite.
  • the adjunct may also include a dispersant e.g. Iignin sulphonate.
  • the dye may also be a Direct dye. Non-limiting examples of these dyes are Direct Violet (DV) 5, 7, 9, 1 1 , 26, 31 , 35, 41 and 51 and DV99.
  • dyes are also Direct Blue 34, 70, 71 , 72, 75, 78, 82, and 120.
  • the most preferred direct dye is Direct Violet 9 (DV9).
  • DV99 is also preferred.
  • Such dyes have been described in WO2005/003274 A1 (Unilever).
  • DV9 may be sourced from BASF.
  • compositions may include a_fluorescent agent (also called optical brightener).
  • a_fluorescent agent also called optical brightener. Fluorescent agents are well known and many such
  • fluorescent agents are available commercially. Usually, these fluorescent agents are supplied and used in the form of their alkali metal salts, for example, the Sodium salts. Total amount of the fluorescent agent or agents which may be used in preferred compositions is generally from 0.005 wt% to 2 wt %, more preferably 0.01 wt% to 0.1 wt %.
  • Preferred classes of fluorescer include di-styryl biphenyl compounds, e.g. TINOPAL ® CBS-X, Di-amine stilbene di- sulphonic acid compounds, e.g. TINOPAL ® DMS pure Xtra and BLANKOPHOR ® HRH, and Pyrazoline compounds, e.g. BLANKOPHOR ® SN.
  • Preferred fluorescers are: sodium 2 (4- styryl-3-sulfophenyl) -2H-napthol [ 1 , 2-d] trazole, disodium 4,4'- bis ⁇ [ (4-anilino-6- (N methyl- N-2 hydroxyethyl) amino 1 ,3,5- triazin-2-yl) ] amino ⁇ stilbene-2-2 ' disulfonate, disodium 4, 4 ' -bis ⁇ [ (4-anilino-6-morpholino-l, 3,5-triazin-2-yl) ] amino ⁇ stilbene-2-2' disulfonate, and disodium 4, 4 '-bis (2- sulfoslyryl) biphenyl . Bleach
  • the function of a bleach is the discolouration and the removal of coloured stains such tea, wine, fruit and also of some clay types. Chromophores are disrupted and stains made more polar so that they are better removed. Another function of the bleach system is to kill bacteria.
  • the oxygen bleach system as is now being used for almost all of the modern bleach containing laundry detergents consists of TAED (tetra acetyl ethylene diamine) and a solid source of hydrogen peroxide (H 2 0 2 ). This combination generates peracetic acid in
  • the bleach may also be of the chlorine type, such as hypohalites, e.g. Calcium hypochlorite.
  • Reductive bleaches such as Sodium meta bi sulphite (Na 2 S 2 0 5 ), Sodium Sulphite (Na 2 S0 3 ), perborates or borohydrides may also be used.
  • Percarbonates such as Sodium percarbonate (Na 2 C0 3 .1.5 H 2 0 2 are the most preferred bleaches. Commercially available materials contain approxmately 13 to 14 %, generally around 13.25 % available Oxygen. Percarbonates have good low temperature solubility, storage stability, and they decomposes into carbonates which are environmentally more acceptable than borates. Preferred compositions may also include 2 to 25 wt%, more preferably 10 to 22 wt%, and most preferably 12 to 22 wt% percarbonate.
  • Enzymes Preferred compositions may also include one or more enzymes, which are usually included to counteract stains. Enzymes are known to be substrate-specific in their action, so it is very common to find detergent compositions with a combination of enzymes.
  • Lipase (also known as esterase) is an enzyme which catalyses hydrolysis of ester bonds of edible fats and oils, i.e. triglycerides, into free fatty acids, mono- and diglycerides and glycerol. It is believed that the primary function of lipase is to reduce build-up of sebum. Lipase is also suitable for detergent compositions that contain higher amount of anionic surfactants, typically 20 to 40 wt%. Lipase is also believed to remove difficult stains like tomato oil, pasta sauce, pesto, motor oil, colourless oils like olive oil and corn oil. Preferred lipase enzymes include those of bacterial or fungal origin.
  • Lipase enzymes are available under the trademarks LIPOCLEAN ® , LIPOLASE ® , LIPOLASE ® Ultra and LIPEX ® .
  • LIPEX ® is particularly preferred, and LIPEX® 100 TB is further particularly preferred.
  • the activity of commercial lipase is commonly expressed as Lipase Units or LU.
  • lipase In addition to lipase, one or more other enzymes may also be present in preferred embodiments
  • Such enzymes include proteases, alpha-amylases, cellulases, and
  • peroxidases/oxidases peroxidases/oxidases, pectate lyases, and mannanases.
  • proteases include those of animal, vegetable or microbial origin. Microbial origin is preferred. Chemically modified or protein engineered mutants are included.
  • the protease may be a serine protease or a metallo-protease, preferably an alkaline microbial protease or a trypsin-like protease.
  • Preferred commercially available protease enzymes include ALCALASE ® , SAVINASE ® , PRIMASE ® , DURALASE ® , DYRAZYM ® , ESPERASE ® , EVERLASE ® , POLARZYME ® , KANNASE ® , MAXATASE ® , MAXACAL ® , MAXAPEM ® , PROPERASE ® , PURAFECT ® and PURAFECT ® OxP.
  • Suitable amylases include those of bacterial or fungal origin. Chemically modified or protein engineered mutants are included.
  • Amylases include, for example, alpha-amylases obtained from Bacillus, e.g. a special strain of B. lichenformis.
  • amylases are DURAMYL ® , TERMAMYL ® , TERMAMYL ® Ultra, NATALASE ® , STAINZYME ® , FUNGAMYL ® BAN ® , RAPIDASE ® and PURASTAR ®
  • Suitable cellulases include those of bacterial or fungal origin. Chemically modified or protein engineered mutants may also be used. Suitable cellulases include cellulases from the genera
  • Bacillus, Pseudomonas, Humicola, Fusarium, Thielavia, Acremonium e.g. the fungal cellulases produced from Humicola insolens, Thielavia terrestris, Myceliophthora thermophila , and Fusarium oxysporum.
  • Commercially available cellulases include CELLUZYME ® , CAREZYME ® , ENDOLASE ® , RENOZYME ® , CLAZINASE ® and PURADAX ® HA.
  • Suitable peroxidases/oxidases include those of plant, bacterial or fungal origin. Chemically modified or protein engineered mutants may also be used.
  • peroxidases examples include peroxidases from Coprinus, e.g. from C. cinereus, and variants thereof as those described in WO 93/24618, WO 95/10602, and WO 98/15257.
  • Commercially available peroxidases include GUARDZYME ® and NOVOZYM ® 51004.
  • any enzyme present in the composition may be stabilized using conventional stabilizing agents, e.g., a polyol such as propylene glycol or glycerol, a sugar or sugar alcohol, lactic acid, boric acid, or a boric acid derivative, e.g., an aromatic compound, e.g., a polyol such as propylene glycol or glycerol, a sugar or sugar alcohol, lactic acid, boric acid, or a boric acid derivative, e.g., an aromatic stabilizing agents, e.g., a polyol such as propylene glycol or glycerol, a sugar or sugar alcohol, lactic acid, boric acid, or a boric acid derivative, e.g., an aromatic compound, e.g., a polyol such as propylene glycol or glycerol, a sugar or sugar alcohol, lactic acid, boric acid, or a boric acid derivative, e.g., an aromatic compound, a polyo
  • composition may be formulated as described in e.g. WO 92/19709
  • compositions may include a metal chelating agent such as carbonates, bicarbonates, and sesquicarbonates.
  • the metal chelating agent can be a bleach stabiliser (i.e. heavy metal sequestrant).
  • Suitable metal chelation agents include ethylenediamine tetraacetate (EDTA),
  • DTPA diethylenetriamine pentaacetate
  • EDDS ethylenediamine disuccinate
  • DETPMP diethylenetriamine pentamethylene phosphate
  • compositions may include one or more polymers for soil-release and anti-redeposition of dirt.
  • Anti-redeposition agents are incorporated to reduce the redeposition of soil which was removed from the load during the wash cycle.
  • Soil release agents improve the removal of soil from a fabric on which a film of such an agent was deposited in the previous wash(es)
  • Examples are carboxymethylcellulose, polymethyl methacrylate, polymethyl methacrylate, polymethyl methacrylate, polymethyl methacrylate, polymethyl methacrylate, polymethyl methacrylate, polymethyl methacrylate, polymethyl methacrylate, polymethyl methacrylate, polymethyl methacrylate, polymethyl methacrylate
  • poly(vinylpyrrolidone) poly(ethylene glycol), polyvinyl alcohol), poly(vinylpyridine- N-oxide) , poly(vinylimidazole) , polycarboxylates such as polyacrylates, maleic/acrylic acid copolymers and lauryl methacrylate/acrylic acid copolymers.
  • Modern detergent compositions typically employ polymers as dye-transfer inhibitors (DTI). These prevent migration of dyes, especially during long soak times.
  • Any suitable dye-transfer inhibitor may be used in preferred compositions.
  • dye-transfer inhibitors include polyvinyl pyrrolidone polymers, polyamine N-oxide polymers, copolymers of N- vinylpyrrolidone and N-vinylimidazole, manganese pthalocyanine, peroxidases, and mixtures thereof.
  • Nitrogen-containing, dye binding DTI polymers are preferred.
  • co-polymers of cyclic amines such as vinyl pyrrolidone, and/or vinyl imidazole are preferred.
  • Copolymers of N-vinylpyrrolidone and N-vinylimidazole polymers are also preferred. These copolymers can be either linear or branched. Suitable PVPVI polymers include SOKALAN ® HP56, available commercially from BASF.
  • compositions may also include perfumes.
  • the perfumes could be of natural origin or synthetic. They include single compounds and mixtures. Specific examples of such components may be found in Perfume and Flavor Chemicals by S. Arctander 1969, Montclair, N.J. (USA).
  • perfume in this context is not only meant a fully formulated product fragrance, but also selected components of that fragrance, particularly those which are prone to loss, such as the so-called top notes.
  • the perfume may be used in the form of neat oil or an encapsulated form.
  • ingredients include salts like Sodium chloride and Sodium sulphate, flow aids such as Calcite and Dolomite, bleaches, such as peroxy bleach compounds or percarbonates, bleach stabilisers such as phosphonates, bleach activators e.g. tetra-acetyl ethylenediamine (TAED), Sodium silicate; coloured speckles; visual cues and fabric conditioning compounds.
  • TAED tetra-acetyl ethylenediamine
  • TAED tetra-acetyl ethylenediamine
  • TAED tetra-acetyl ethylenediamine
  • coloured speckles coloured speckles
  • visual cues and fabric conditioning compounds e.g. tetra-acetyl ethylenediamine (TAED), Sodium silicate; coloured speckles; visual cues and fabric conditioning compounds.
  • the detergent compositions may be fully spray dried or fully non-tower powders.
  • a mixture of spray dried powder and non-tower powder is preferred.
  • Particularly preferred compositions include 50 to 90 parts non-tower (NTR) detergent powder and 50 to 10 parts spray dried detergent powder. Most preferred combination is 70 parts NTR powder and 30 parts spray-dried powder.
  • NTR non-tower
  • a powdered form of the modified amino silicone fluid is post-dosed to the powder.
  • the invention provides a method of washing fabrics by hand or in a machine comprising:
  • Preferred detergent compositions need only 1 or 2 rinses; as compared to prior art detergent compositions that typically require 4 to 5 rinses.
  • Example-1 A preferred detergent composition (Composition-1 ) containing a powder of a modified amino silicone antifoam fluid
  • Antifoam powder * 0.5 parts * The antifoam powder was made as described in co-pending Indian application
  • Comparative Example-1 Detergent composition without antifoam powder (Comparative Composition-1 )
  • Formulation of the comparative detergent composition was as follows:
  • Example-2 A preferred detergent composition (Composition-2) containing a powder of a modified amino silicone antifoam fluid
  • Antifoam powder * 0.5 parts
  • washing cycle was maintained for 15 to 30 minutes.
  • the top lid of washing machine was opened just before the machine was to discharge the washing liquor.
  • the fabrics were taken out and squeezed so that fabric retained 50% wash liquor. Thereafter, the foam height was measured.
  • the top lid was opened and the fabrics were transferred to the machine.
  • the top lid was closed and the machine was in operation for the rinsing cycle.
  • the top lid was opened just before the first rinsing liquor was to be discharged.
  • the fabrics were taken out and squeezed so that only 50% wash liquor remained.
  • the foam height was measured again and it was noted as foam height after first rinse.
  • a preferred detergent powder (Composition-3) was made, which was a 70:30 mixture of a NTR (non-tower route) component and a spray dried component.
  • the formulation contained foaming surfactants SLES (Sodium lauryl ether sulphate) and PAS (Primary alcohol sulphate) along with a powder of a preferredjmodified amino silicone antifoam fluid described in co- pending application 198/KOL/2010 filed by Wacker Metroark Chemicals Pvt Ltd. This formulation mix provides an ideal balance between initial lather and final lather levels.
  • Table-4 describes the comparative data between preferred composition (Composition-3) and ARIEL ® detergent powder.
  • composition-3 fabrics washed with the preferred composition (Composition-3) had a lingering perfume impact. Accordingly in another aspect the invention provides use of a composition of the first aspect for lingering perfume impact on washed fabrics.
  • wash liquor of the preferred composition (Composition-3) had comparatively higher perfume impact.
  • the wash liquor was also found to be highly soapy by the consumers when compared to the results with ARIEL ® detergent powder. Such effects, which are presented in table-5, were not seen with the control composition-2.
  • composition-3 showed comparatively higher perfume impact, higher soapiness, higher speed of lather, comparable amount of lather while dissolving, and comparatively lower lather at every rinse stage. This was further corroborated by the higher transparency of rinse liquor at every rinse stage. It will be appreciated that the illustrated examples provide detergent compositions containing silicone antifoams which show improved delayed-release antifoam action.

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  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
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  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
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  • Detergent Compositions (AREA)

Abstract

Cette invention concerne des compositions détergentes pour le lavage du linge à la machine ou à la main comprenant un agent antimousse à base d'une silicone aminée modifiée. Les compositions selon l'invention génèrent plus de mousse pendant le cycle de lavage, et une quantité de mousse très réduite, voire pratiquement nulle après deux rinçages. Elles contribuent à économiser une grande quantité d'eau qui peut être utilisée pour rincer les vêtements.
PCT/EP2011/052775 2010-03-02 2011-02-25 Compositions détergentes pour le linge comprenant un agent antimousse de type silicone aminée WO2011107397A1 (fr)

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DE102012210211A1 (de) 2012-06-18 2013-12-19 Wacker Chemie Ag Antischaummittel und deren Verwendung in Waschmitteln
CN104487561A (zh) * 2012-07-19 2015-04-01 宝洁公司 清洁组合物
US9187715B2 (en) 2012-07-19 2015-11-17 The Procter & Gamble Company Cleaning compositions
WO2016118415A1 (fr) * 2015-01-19 2016-07-28 Diversey, Inc. Auxiliaire de séchage pour blanchisserie
DE102015207890A1 (de) 2015-04-29 2016-11-03 Wacker Chemie Ag Antischaummittel und deren Verwendung in Waschmitteln
US9862912B2 (en) 2014-03-26 2018-01-09 The Procter & Gamble Company Cleaning compositions containing cationic polymers, and methods of making and using same
US9994795B2 (en) 2013-08-13 2018-06-12 Dow Silicones Corporation Method of forming an antifoam granule comprising a silicone polyether
WO2019063538A1 (fr) * 2017-09-27 2019-04-04 Byk-Chemie Gmbh Agent antimousse à base de polysiloxane
WO2023025766A1 (fr) * 2021-08-25 2023-03-02 Unilever Ip Holdings B.V. Composition détergente
WO2023025740A1 (fr) * 2021-08-25 2023-03-02 Unilever Ip Holdings B.V. Composition détergente

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WO2013189825A1 (fr) 2012-06-18 2013-12-27 Wacker Chemie Ag Agent antimousse et utilisation dudit agent antimousse dans des détergents
US9387417B2 (en) 2012-06-18 2016-07-12 Wacker Chemie Ag Antifoaming agents and use thereof in detergents
DE102012210211A1 (de) 2012-06-18 2013-12-19 Wacker Chemie Ag Antischaummittel und deren Verwendung in Waschmitteln
CN104487561A (zh) * 2012-07-19 2015-04-01 宝洁公司 清洁组合物
US9187715B2 (en) 2012-07-19 2015-11-17 The Procter & Gamble Company Cleaning compositions
CN104487561B (zh) * 2012-07-19 2018-04-10 宝洁公司 清洁组合物
US10689601B2 (en) 2013-08-13 2020-06-23 Dow Silicones Corporation Method of forming an antifoam granule containing a silicone polyether
US9994795B2 (en) 2013-08-13 2018-06-12 Dow Silicones Corporation Method of forming an antifoam granule comprising a silicone polyether
US9862912B2 (en) 2014-03-26 2018-01-09 The Procter & Gamble Company Cleaning compositions containing cationic polymers, and methods of making and using same
WO2016118415A1 (fr) * 2015-01-19 2016-07-28 Diversey, Inc. Auxiliaire de séchage pour blanchisserie
CN107406808A (zh) * 2015-01-19 2017-11-28 泰华施公司 洗衣用助干剂
DE102015207890A1 (de) 2015-04-29 2016-11-03 Wacker Chemie Ag Antischaummittel und deren Verwendung in Waschmitteln
CN107075426A (zh) * 2015-04-29 2017-08-18 瓦克化学股份公司 消泡剂及其在洗涤剂中的用途
KR20170083623A (ko) * 2015-04-29 2017-07-18 와커 헤미 아게 소포제 및 세제 내 그의 용도
WO2016174016A1 (fr) 2015-04-29 2016-11-03 Wacker Chemie Ag Agent antimousse et utilisation de ce dernier dans les lessives
KR101965762B1 (ko) 2015-04-29 2019-04-04 와커 헤미 아게 소포제 및 세제 내 그의 용도
US10316271B2 (en) 2015-04-29 2019-06-11 Wacker Chemie Ag Carbonate ester anti-foaming agent and use thereof in detergents
CN107075426B (zh) * 2015-04-29 2019-07-23 瓦克化学股份公司 消泡剂及其在洗涤剂中的用途
CN111182955A (zh) * 2017-09-27 2020-05-19 毕克化学有限公司 聚硅氧烷消泡剂
WO2019063538A1 (fr) * 2017-09-27 2019-04-04 Byk-Chemie Gmbh Agent antimousse à base de polysiloxane
CN111182955B (zh) * 2017-09-27 2022-01-21 毕克化学有限公司 聚硅氧烷消泡剂
US11298634B2 (en) 2017-09-27 2022-04-12 Byk-Chemie Gmbh Polysiloxane defoaming agent
WO2023025766A1 (fr) * 2021-08-25 2023-03-02 Unilever Ip Holdings B.V. Composition détergente
WO2023025740A1 (fr) * 2021-08-25 2023-03-02 Unilever Ip Holdings B.V. Composition détergente
WO2023025742A1 (fr) * 2021-08-25 2023-03-02 Unilever Ip Holdings B.V. Composition détergente
WO2023025738A1 (fr) * 2021-08-25 2023-03-02 Unilever Ip Holdings B.V. Composition de détergente
WO2023025761A1 (fr) * 2021-08-25 2023-03-02 Unilever Ip Holdings B.V. Composition de détergent

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