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
  • C11D3/0005—Other compounding ingredients characterised by their effect
  • C11D3/0068—Deodorant 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
  • C11D3/20—Organic compounds containing oxygen
  • C11D3/2093—Esters; Carbonates
• • 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
  • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
  • C11D7/22—Organic compounds
  • C11D7/26—Organic compounds containing oxygen
  • C11D7/266—Esters or carbonates
• • 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
  • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
  • C11D7/22—Organic compounds
  • C11D7/40—Products in which the composition is not well defined
  • C11D7/44—Vegetable products

Definitions

• the invention relates to the use of cleaning and/or treatment compositions comprising a tannin, particularly a condensed tannin and methods of making and using same to inhibit malodor.
• the invention also relates to the use of cleaning and/or treatment compositions comprising a tannin, preferably a condensed tannin and methods of making and using same to trap malodourous species residual on fabrics.
• Malodourous species may be formed by any number of mechanisms for example, by the enzymatic oxidation of fatty acids present in domestic soils.
• the present inventors have found that [OL1] tannins, particularly condensed tannins reduce malodour, in particular malodour from fatty acids. Whilst not wishing to be bound by theory, the mechanism for achieving this is considered to be by reducing the formation of and/or reducing the presence of (for example by entrapment) and/or by reducing the detection by the nose of malodor.
• tannins particularly condensed tannins deposit on fabrics during the laundry process malodour is inhibited for example, by the inhibition of oxidative activity of enzymes, such as lipoxygenase, which may act on polyunsaturated fatty acids present in domestic soils, and that have a cis,cis-1,4-pentadiene moiety (e.g. linoleic or linolenic acid) to generate malodorous species.
• enzymes such as lipoxygenase
• tannins may inhibit malodour by reducing the malodourous species formed by oxidation of polyunsaturated fatty acids present in domestic soils, and that have a cis,cis-1,4-pentadiene moiety (e.g. linoleic or linolenic acid).
• tannins particularly condensed tannins deposit on fabrics during the laundry process, thanks to ⁇ -stacking, they trap the malodourous species residual on fabrics.
• Tannins can be used at low levels to control malodor via applications that include through-the-wash and rinse applications.
• Tannins are polyphenolic compounds that are found in products such as red wine. Materials like tannins are generally avoided in through-the-wash, spray-on and dryer-added laundry applications as they can stain fabrics.
• the invention relates to the use of a cleaning and/or treatment composition comprising a cleaning and/or treatment adjunct and a tannins to inhibit or reduce malodour.
• a cleaning and/or treatment composition comprising a cleaning and/or treatment adjunct and a tannins to inhibit or reduce malodour.
• the tannin comprises a condensed tannin.
• the tannin has a weight average molecular weight of 0, 100 to 10000 Daltons.
• the tannin has a ratio of aromatic to aliphatic hydroxyls greater than 1.8.
• Reduction or inhibition of malodour may be by reduction of the formation of malodourous species, for example by reducing formation and/or release of malodourous species from fatty soils; by reduction of the presence of malodourous species, for example by entrapment; or by reduction of detection of malodourous species, for example by masking.
• the invention also relates to the use of a cleaning and/or treatment composition comprising a tannin to trap malodourous species residual on fabrics.
• the tannin will be used at a low level, for example in the cleaning and/or treatment composition in an amount from 0.0001 to 3 wt% based on the weight of the cleaning and/or treatment composition.
• Such cleaning and/or treatment compositions can reduce or inhibit malodour, for example by reducing the malodour originating from fatty soils and/or entrapment of malodourous species residual on surfaces, particularly fabrics, without imparting significant color to an article, i.e. without staining an article, that is treated with such cleaning and/or treatment composition.
• the appearance of such compositions is not adversely impacted by the tannins that they contain.
• cleaning and/or treatment composition includes, unless otherwise indicated, fabric and home care products. Such products are preferably products for cleaning and/or treating fabrics, hard surfaces and any other surfaces in the area of fabric and home care, including: air care including air fresheners and scent delivery systems, car care, dishwashing, fabric conditioning (including softening and/or freshening), laundry detergency, laundry and rinse additive and/or care, hard surface cleaning and/or treatment including floor and toilet bowl cleaners, granular or powder-form all-purpose or "heavy-duty” washing agents, especially cleaning detergents; liquid, gel or paste-form all-purpose washing agents, especially the so-called heavy-duty liquid types; liquid fine-fabric detergents; hand dishwashing agents or light duty dishwashing agents, especially those of the high-foaming type; machine dishwashing agents, including the various tablet, granular, liquid and rinse-aid types for household and institutional use; cleaning auxiliaries such as bleach additives and "stain-stick" or pre-treat types,
• fabric cleaning and/or treatment composition is a subset of cleaning and/or treatment compositions comprising unless otherwise indicated, particulate including granular or powder-form, liquid, gel or paste-form all-purpose washing agents, especially the so-called heavy-duty types; liquid fine-fabric detergents; fabric conditioning products including softening and/or freshening that may be in liquid, solid and/or dryer sheet form ; as well as cleaning auxiliaries such as bleach additives and "stain-stick” or pre-treat types, substrate-laden products such as dryer added sheets, dry and wetted wipes and pads, nonwoven substrates, and sponges; as well as sprays and mists.
• solid includes granular, powder, bar and tablet product forms.
• fluid includes liquid, gel, paste and gas product forms, preferably liquid.
• component or composition levels are in reference to the active portion of that component or composition, and are exclusive of impurities, for example, residual solvents or by-products, which may be present in commercially available sources of such components or compositions.
• a cleaning and/or treatment composition or product for use herein comprises tannin, preferably condensed tannin.
• the tannin is present in an amount from about 0.0001 % to about 3%, preferably from about 0.001 % to about 1.5%, more preferably from 0.01% to 0.5% by weight of the composition.
• the tannin comprises a condensed tannin, preferably having a Weight Average Molecular Weight Mw of 100, to 10,000 Daltons, preferably of 200to 8,000 Daltons, even more preferably of 300to 7,000 Daltons.
• the tannin comprises a ratio of aromatic to aliphatic hydroxyls >1.8
• Condensed tannins comprise proanthocyanidins, polyflavonoid tannins, catechol-type tannins, pyrocatecollic type tannins, non-hydrolyzable tannins or flavolans - polymers formed by the condensation of flavans.
• Preferred tannins are condensed tannins comprising oligomeric and polymeric proanthocyanidins formed by linkage of C-4 of one catechin with C-8 or C-6 of the next monomeric catechin.
• Condensed tannins may be linear, branched, or a mixture thereof.
• the condensed tannins may comprise monomeric catechins.
• the monomeric catechins may independently have a structure according to Formula 1: wherein R is selected from -H or -OH.
• the monomeric catechins may be independently selected from catechins, epicatechins, gallocatechins, epigallocatechins, and derivatives thereof.
• Catechins, epicatechins, epigallocatechins, and derivatives thereof may have the following respective structures.
• the condensed tannins may have a structure according to Formula II: wherein each R is independently selected from -H and -OH, and wherein n is from about 2 to about 200.
• Tannins of the present disclosure may be derived or extracted from any suitable source.
• Table 1 shows condensed tannins that may be found in common higher plants.
• Table 1 COMMON NAME FAMILY GENUS SPECIES (example of species studied) Willow leaf Anacardiacee Shinopsis balansae Red Quebracho Anacardiacee Shinopsis lorentzii Grape seeds Vitaceae Vitis vinifera Mimosa bark Fabaceae Mimosoideae acacia mollissima (black wattle) Fabaceae Mimosoideae Acacia mearnsii Quechua Fabaceae Sesbania Trefoil Fabaceae Lotus sainfoin Fabaceae Onobrychis sp.
• Preferred condensed tannins are selected from the group consisting of tannins extracted from bark pine, quebracho, mimosa bark, spruce bark, grape seeds, more preferably said condensed tannins are selected from the group consisting of tannins extracted from bark pine and quebracho.
• a cleaning and/or treatment product comprises, based on total cleaning and/or treatment product weight, from about 1% to about 97%, preferably from about 5% to about 90%, more preferably from about 8% to about 80% water.
• the cleaning and/or treatment composition additionally comprises a cleaning and/or treatment adjunct, preferably comprising one or more adjuncts selected from the group consisting of surfactants, softener actives, chelants, builders, fatty acids, perfumes, perfume delivery systems, silicones and mixtures thereof.
• a cleaning and/or treatment adjunct preferably comprising one or more adjuncts selected from the group consisting of surfactants, softener actives, chelants, builders, fatty acids, perfumes, perfume delivery systems, silicones and mixtures thereof.
• said adjunct comprises an adjunct selected from the group consisting of surfactants and fabric softener actives and mixtures thereof.
• said adjunct comprises an adjunct selected from the group consisting of perfumes and perfume delivery systems.
• the composition comprises, based on total composition weight, 0.05 wt % to 50 wt %, advantageously 1 to 40 wt %, 3 to 30 wt % or 5 wt % to 20 wt % surfactant selected from the groups of anionic surfactants, nonionic surfactants, cationic, zwitterionic and/or amphoteric surfactants.
• Preferred compositions comprise anionic surfactant, in particular where the cleaning and/or treatment composition is for contact with the surface during a washing step and the tannin is contacted with the surface from a cleaning composition.
• the anionic surfactant comprises linear alkylbenzene sulphonate anionic surfactant.
• Anionic and nonionic surfactants are typically employed if the fabric care product is a laundry detergent.
• cationic surfactants are typically employed if the fabric care product is a fabric softener.
• the fabric care compositions of the present invention may further contain a nonionic surfactant.
• the composition contains, based on total composition weight, a nonionic surfactant, in one aspect, said composition contains, based on total composition weight, from 0.01 or 0.1 to 30 or 25 wt %, from 1 to 20 wt %, or from 3 to 15 or 10 wt %, nonionic surfactant.
• the nonionic surfactant may comprise an ethoxylated nonionic surfactant.
• Suitable for use herein are the ethoxylated alcohols and ethoxylated alkyl phenols of the formula R(OC 2 H 4 )n OH, wherein R is selected from the group consisting of aliphatic hydrocarbon radicals containing from about 8 to about 20 carbon atoms and alkyl phenyl radicals in which the alkyl groups contain from about 8 to about 12 carbon atoms, and the average value of n is from about 5 to about 15.
• Suitable nonionic surfactants are those of the formula R1(OC 2 H 4 )nOH, wherein R1 is a C 10 -C 16 alkyl group or a Cs -C 12 alkyl phenyl group, and n is from 3 to about 80.
• particularly useful materials are condensation products of C 9 -C 15 alcohols with from about 5 to about 20 moles of ethylene oxide per mole of alcohol.
• the fabric cleaning and/or treatment composition for use in the present invention may be a fabric treatment or softening composition, particularly a post-wash composition, for contacting with the surface in a rinse or drying step of a washing process.
• a fabric softener active Preferably such compositions comprise a fabric softener active, most preferably such compositions comprise a quaternary ammonium ester softening active.
• the fabric softener composition for use in the present invention preferably comprises from 3.0% to 25.0% of a quaternary ammonium ester softening active (Fabric Softening Active, "FSA").
• FSA quaternary ammonium ester softening Active
• the quaternary ammonium ester softening active is present at a level of from 4.0% to 20%, more preferably from 5.0% to 15%, even more preferably from 7.0% to 12% by weight of the composition.
• the level of quaternary ammonium ester softening active may depend of the desired concentration of total softening active in the composition (diluted or concentrated composition) and of the presence or not of other softening active.
• the iodine value (see Methods) of the parent fatty acid from which the quaternary ammonium fabric softening active is formed is from 0 to 100, preferably from 10 to 60, more preferably 15 to 45.
• Suitable quaternary ammonium ester softening actives include but are not limited to, materials selected from the group consisting of monoester quats, diester quats, triester quats and mixtures thereof.
• the level of monoester quat is from 2.0% to 40.0%
• the level of diester quat is from 40.0% to 98.0%
• the level of triester quat is from 0.0% to 25.0% by weight of total quaternary ammonium ester softening active.
• Said quaternary ammonium ester softening active may comprise compounds of the following formula: ⁇ R 2 (4-m) -N+ - [X - Y - R 1 ] m ⁇ A- wherein:
• quaternary ammonium ester softening actives are commercially available from KAO Chemicals under the trade name Tetranyl AT-1 and Tetranyl AT-7590, from Evonik under the tradename Rewoquat WE16 DPG, Rewoquat WE18, Rewoquat WE20, Rewoquat WE28, and Rewoquat 38 DPG, from Stepan under the tradename Stepantex GA90, Stepantex VR90, Stepantex VK90, Stepantex VA90, Stepantex DC90, Stepantex VL90A.
• the iodine value ("IV") of a quaternary ammonium ester fabric softening active is the iodine value of the parent fatty acid from which the fabric softening active is formed, and is defined as the number of grams of iodine which react with 100 grams of parent fatty acid from which the fabric softening active is formed.
• the quaternary ammonium ester fabric softening active is hydrolysed according to the following protocol: 25 g of fabric softener composition is mixed with 50 mL of water and 0.3 mL of sodium hydroxide (50% activity). This mixture is boiled for at least an hour on a hotplate while avoiding that the mixture dries out. After an hour, the mixture is allowed to cool down and the pH is adjusted to neutral (pH between 6 and 8) with sulfuric acid 25% using pH strips or a calibrated pH electrode.
• the fatty acid is extracted from the mixture via acidified liquid-liquid extraction with hexane or petroleum ether:
• the sample mixture is diluted with water/ethanol (1:1) to 160 mL in an extraction cylinder, 5 grams of sodium chloride, 0.3 mL of sulfuric acid (25% activity) and 50 mL of hexane are added.
• the cylinder is stoppered and shaken for at least 1 minute.
• the cylinder is left to rest until 2 layers are formed.
• the top layer containing the fatty acid in hexane is transferred to another recipient.
• the hexane is then evaporated using a hotplate leaving behind the extracted fatty acid.
• the iodine value of the parent fatty acid from which the fabric softening active is formed is determined following ISO3961:2013.
• the method for calculating the iodine value of a parent fatty acid comprises dissolving a prescribed amount (from 0.1-3g) into 15mL of chloroform. The dissolved parent fatty acid is then reacted with 25 mL of iodine monochloride in acetic acid solution (0.1M). To this, 20 mL of 10% potassium iodide solution and 150 mL deionised water is added.
• the excess of iodine monochloride is determined by titration with sodium thiosulphate solution (0.1M) in the presence of a blue starch indicator powder.
• a blank is determined with the same quantity of reagents and under the same conditions. The difference between the volume of sodium thiosulphate used in the blank and that used in the reaction with the parent fatty acid enables the iodine value to be calculated.
• Preferred compositions are in liquid form.
• the composition may contain, based on total composition weight, from 0.1 to 80 wt %, 1 to 60 wt %, or 5 to 50 wt % builders.
• the builder comprises a soluble builder system, for example comprising soda, i.e carbonate or bicarbonate, silicate, citrate and/or polycarboxylates.
• compositions for use in the present invention comprise chelant.
• the chelant is present in amounts from 0.001 to less than 10 or 7 or 5 %, or from 0.01 % to 3% of a chelant such as nitrogen-containing, P-free aminocarboxylates such as EDDS, EDTA and DTPA; aminophosphonates such as diethylenetriamine pentamethylenephosphonic acid and, ethylenediamine tetramethylenephosphonic acid; nitrogen-free phosphonates e.g., HEDP; and nitrogen or oxygen containing, P-free carboxylate-free chelants such as compounds of the general class of certain macrocyclic N-ligands such as those known for use in bleach catalyst systems.
• a chelant such as nitrogen-containing, P-free aminocarboxylates such as EDDS, EDTA and DTPA; aminophosphonates such as diethylenetriamine pentamethylenephosphonic acid and, ethylenediamine tetramethylenephosphonic acid; nitrogen-free phospho
• the composition comprises a perfume and a perfume delivery system.
• This perfume delivery system comprises a material selected from the group consisting of microcapsules, a polymer assisted delivery system; a molecule-assisted delivery system; a fiber-assisted delivery system; a cyclodextrin delivery system; a starch encapsulated accord; and/or an inorganic carrier delivery system.
• the perfume microcapsule comprises a material selected from the group consisting of melamine-formaldehyde polymers, melamine-urea polymers, polyurea, polyurethane, polyacrylate, polymethylmethacylate and polyacrylate esters.
• the microcapsules preferably contain aromatic substances.
• compositions for use in the present invention may be made by a method comprising mixing for example by stirring the tannin into a composition or by continuously adding the tannin into a composition and mixing the ingredients by means of static mixing elements.
• the tannin is mixed with surfactant prior to mixing with the remaining components in the composition in any convenient order.
• Preferred compositions are liquids.
• the tannin may be in the form of a granule or other supported form which may be mixed with the remaining components of the composition in any convenient order, this the method may comprise the steps of mixing said tannin in dried, granulated or supported form into a solid composition.
• the tannins are stable within the detergent or cleaning agent matrix. During use of the detergent or cleaning agent, for example when washing laundry, the tannins are deposited on the item to be cleaned and provide reduced malodor.
• compositions may include additional adjunct ingredients that include: fabric hueing agents, bleach activators, surfactants, builders, chelating agents, dye transfer inhibiting agents, dispersants, enzymes, and enzyme stabilizers, catalytic metal complexes, polymeric dispersing agents, clay and soil removal/anti-redeposition agents, brighteners, suds suppressors, dyes, additional perfumes and perfume delivery systems, structure elasticizing agents, fabric softeners, carriers, hydrotropes, processing aids and/or pigments.
• additional adjunct ingredients include: fabric hueing agents, bleach activators, surfactants, builders, chelating agents, dye transfer inhibiting agents, dispersants, enzymes, and enzyme stabilizers, catalytic metal complexes, polymeric dispersing agents, clay and soil removal/anti-redeposition agents, brighteners, suds suppressors, dyes, additional perfumes and perfume delivery systems, structure elasticizing agents, fabric softeners, carriers, hydrotropes, processing aids and/or pigments.
• compositions do not contain one or more of the following adjuncts materials: fabric hueing agents, bleach activators, surfactants, builders, chelating agents, dye transfer inhibiting agents, dispersants, enzymes, and enzyme stabilizers, catalytic metal complexes, polymeric dispersing agents, clay and soil removal/anti-redeposition agents, brighteners, suds suppressors, dyes, additional perfumes and perfume delivery systems, structure elasticizing agents, fabric softeners, carriers, hydrotropes, processing aids and/or pigments.
• adjuncts materials fabric hueing agents, bleach activators, surfactants, builders, chelating agents, dye transfer inhibiting agents, dispersants, enzymes, and enzyme stabilizers, catalytic metal complexes, polymeric dispersing agents, clay and soil removal/anti-redeposition agents, brighteners, suds suppressors, dyes, additional perfumes and perfume delivery systems, structure elasticizing agents, fabric softeners, carriers, hydrotropes, processing aids and/or pigments.
• the composition may comprise a fabric hueing agent (sometimes referred to as shading, bluing or whitening agents).
• hueing agent provides a blue or violet shade to fabric.
• Hueing agents can be used either alone or in combination to create a specific shade of hueing and/or to shade different fabric types. This may be provided for example by mixing a red and green-blue dye to yield a blue or violet shade.
• Hueing agents may be selected from any known chemical class of dye, including but not limited to acridine, anthraquinone (including polycyclic quinones), azine, azo (e.g., monoazo, disazo, trisazo, tetrakisazo, polyazo), including premetallized azo, benzodifurane and benzodifuranone, carotenoid, coumarin, cyanine, diazahemicyanine, diphenylmethane, formazan, hemicyanine, indigoids, methane, naphthalimides, naphthoquinone, nitro and nitroso, oxazine, phthalocyanine, pyrazoles, stilbene, styryl, triarylmethane, triphenylmethane, xanthenes and mixtures thereof.
• acridine e.g., monoazo, disazo, trisazo, tetrakisazo, polyazo
• Suitable fabric hueing agents include dyes, dye-clay conjugates, and organic and inorganic pigments.
• Suitable dyes include small molecule dyes and polymeric dyes.
• Suitable small molecule dyes include small molecule dyes selected from the group consisting of dyes falling into the Colour Index (C.I.) classifications of Acid, Direct, Basic, Reactive or hydrolysed Reactive, Solvent or Disperse dyes for example that are classified as Blue, Violet, Red, Green or Black, and provide the desired shade either alone or in combination.
• C.I. Colour Index
• suitable small molecule dyes include small molecule dyes selected from the group consisting of Colour Index (Society of Dyers and Colourists, Bradford, UK) numbers Direct Violet dyes such as 9, 35, 48, 51, 66, and 99, Direct Blue dyes such as 1, 71, 80 and 279, Acid Red dyes such as 17, 73, 52, 88 and 150, Acid Violet dyes such as 15, 17, 24, 43, 49 and 50, Acid Blue dyes such as 15, 17, 25, 29, 40, 45, 75, 80, 83, 90 and 113, Acid Black dyes such as 1, Basic Violet dyes such as 1, 3, 4, 10 and 35, Basic Blue dyes such as 3, 16, 22, 47, 66, 75 and 159, Disperse or Solvent dyes US 8,268,016 B2 , or dyes as disclosed in US 7,208,459 B2 , and mixtures thereof.
• Colour Index Society of Dyers and Colourists, Bradford, UK
• Direct Violet dyes such as 9, 35, 48, 51, 66, and 99
• Direct Blue dyes such as
• suitable small molecule dyes include small molecule dyes selected from the group consisting of C. I. numbers Acid Violet 17, Acid Blue 80, Acid Violet 50, Direct Blue 71, Direct Violet 51, Direct Blue 1, Acid Red 88, Acid Red 150, Acid Blue 29, Acid Blue 113 or mixtures thereof.
• Suitable polymeric dyes include polymeric dyes selected from the group consisting of polymers containing covalently bound (sometimes referred to as conjugated) chromogens, (dye-polymer conjugates), for example polymers with chromogens co-polymerized into the backbone of the polymer and mixtures thereof.
• Polymeric dyes include those described in US 7,686,892 B2 .
• suitable polymeric dyes include polymeric dyes selected from the group consisting of fabric-substantive colorants sold under the name of Liquitint® (Milliken, Spartanburg, South Carolina, USA), dye-polymer conjugates formed from at least one reactive dye and a polymer selected from the group consisting of polymers comprising a moiety selected from the group consisting of a hydroxyl moiety, a primary amine moiety, a secondary amine moiety, a thiol moiety and mixtures thereof.
• suitable polymeric dyes include polymeric dyes selected from the group consisting of Liquitint® Violet CT, carboxymethyl cellulose (CMC) covalently bound to a reactive blue, reactive violet or reactive red dye such as CMC conjugated with C.I. Reactive Blue 19, sold by Megazyme, Wicklow, Ireland under the product name AZO-CM-CELLULOSE, product code S-ACMC, alkoxylated triphenyl-methane polymeric colourants, alkoxylated thiophene polymeric colourants, and mixtures thereof.
• CMC carboxymethyl cellulose
• Suitable dye clay conjugates include dye clay conjugates selected from the group comprising at least one cationic/basic dye and a smectite clay, and mixtures thereof.
• suitable dye clay conjugates include dye clay conjugates selected from the group consisting of one cationic/basic dye selected from the group consisting of C.I. Basic Yellow 1 through 108, C.I. Basic Orange 1 through 69, C.I. Basic Red 1 through 118, C.I. Basic Violet 1 through 51, C.I. Basic Blue 1 through 164, C.I. Basic Green 1 through 14, C.I. Basic Brown 1 through 23, CI Basic Black 1 through 11, and a clay selected from the group consisting of Montmorillonite clay, Hectorite clay, Saponite clay and mixtures thereof.
• suitable dye clay conjugates include dye clay conjugates selected from the group consisting of: Montmorillonite Basic Blue B7 C.I. 42595 conjugate, Montmorillonite Basic Blue B9 C.I. 52015 conjugate, Montmorillonite Basic Violet V3 C.I. 42555 conjugate, Montmorillonite Basic Green G1 C.I. 42040 conjugate, Montmorillonite Basic Red R1 C.I. 45160 conjugate, Montmorillonite C.I. Basic Black 2 conjugate, Hectorite Basic Blue B7 C.I. 42595 conjugate, Hectorite Basic Blue B9 C.I. 52015 conjugate, Hectorite Basic Violet V3 C.I.
• 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 polymeric hueing agents may be alkoxylated. As with all such alkoxylated compounds, the organic synthesis 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 pigments include pigments selected from the group consisting of flavanthrone, indanthrone, chlorinated indanthrone containing from 1 to 4 chlorine atoms, pyranthrone, dichloropyranthrone, monobromodichloropyranthrone, dibromodichloropyranthrone, tetrabromopyranthrone, perylene-3,4,9,10-tetracarboxylic acid diimide, wherein the imide groups may be unsubstituted or substituted by C1-C3 -alkyl or a phenyl or heterocyclic radical, and wherein the phenyl and heterocyclic radicals may additionally carry substituents which do not confer solubility in water, anthrapyrimidinecarboxylic acid amides, violanthrone, isoviolanthrone, dioxazine pigments, copper phthalocyanine which may contain up to 2 chlorine atoms per molecule, polychloro
• the aforementioned fabric hueing agents can be used in combination (any mixture of fabric hueing agents can be used).
• the fabric treatment composition may comprise from about 0.01% to about 10%, from about 0.05 to about 5%, or from about 0.15 to about 3% of a deposition aid.
• the deposition aid may be a cationic or amphoteric polymer.
• the deposition aid may be a cationic polymer. Cationic polymers in general and their method of manufacture are known in the literature.
• the cationic polymer may have a cationic charge density of from about 0.005 to about 23 meq/g, from about 0.01 to about 12 meq/g, or from about 0.1 to about 7 meq/g, at the pH of the composition.
• charge density is measured at the intended use pH of the product. Such pH will generally range from about 2 to about 11, more generally from about 2.5 to about 9.5. Charge density is calculated by dividing the number of net charges per repeating unit by the molecular weight of the repeating unit.
• the positive charges may be located on the backbone of the polymers and/or the side chains of polymers.
• the deposition aid may comprise a cationic acrylic based polymer. In a further aspect, the deposition aid may comprise a cationic polyacrylamide. In another aspect, the deposition aid may comprise a polymer comprising polyacrylamide and polymethacrylamidopropyl trimethylammonium cation. In another aspect, the deposition aid may comprise poly(acrylamide- N-dimethyl aminoethyl acrylate) and its quaternized derivatives.
• the deposition aid may be selected from the group consisting of cationic or amphoteric polysaccharides. In one aspect, the deposition aid may be selected from the group consisting of cationic and amphoteric cellulose ethers, cationic or amphoteric galactomannan, cationic guar gum, cationic or amphoteric starch, and combinations thereof
• Suitable cationic polymers may include alkylamine-epichlorohydrin polymers which are reaction products of amines and oligoamines with epichlorohydrin.
• suitable synthetic cationic polymers may include polyamidoamine-epichlorohydrin (PAE) resins of polyalkylenepolyamine with polycarboxylic acid. The most common PAE resins are the condensation products of diethylenetriamine with adipic acid followed by a subsequent reaction with epichlorohydrin.
• the weight-average molecular weight of the polymer may be from about 500 Daltons to about 5,000,000 Daltons, or from about 1,000 Daltons to about 2,000,000 Daltons, or from about 2,500 Daltons to about 1,500,000 Daltons, as determined by size exclusion chromatography relative to polyethylene oxide standards with RI detection.
• the MW of the cationic polymer may be from about 500 Daltons to about 37,500 Daltons.
• compositions may also contain from about 0.1% to 80% by weight of a builder.
• Compositions in liquid form generally contain from about 1% to 10% by weight of the builder component.
• Compositions in granular form generally contain from about 1% to 50% by weight of the builder component.
• Detergent builders are well known in the art and can contain, for example, phosphate salts as well as various organic and inorganic nonphosphorus builders.
• Water-soluble, nonphosphorus organic builders useful herein include the various alkali metal, ammonium and substituted ammonium polyacetates, carboxylates, polycarboxylates and polyhydroxy sulfonates.
• polyacetate and polycarboxylate builders are the sodium, potassium, lithium, ammonium and substituted ammonium salts of ethylene diamine tetraacetic acid, nitrilotriacetic acid, oxydisuccinic acid, mellitic acid, benzene polycarboxylic acids, and citric acid.
• Other polycarboxylate builders are the oxydisuccinates and the ether carboxylate builder compositions comprising a combination of tartrate monosuccinate and tartrate disuccinate.
• Builders for use in liquid detergents include citric acid.
• Suitable nonphosphorus, inorganic builders include the silicates, aluminosilicates, borates and carbonates, such as sodium and potassium carbonate, bicarbonate, sesquicarbonate, tetraborate decahydrate, and silicates having a weight ratio of SiO2 to alkali metal oxide of from about 0.5 to about 4.0, or from about 1.0 to about 2.4. Also useful are aluminosilicates including zeolites.
• Dispersants may contain from about 0.1%, to about 10%, by weight of dispersants Suitable water-soluble organic materials are the homo- or co-polymeric acids or their salts, in which the polycarboxylic acid may contain at least two carboxyl radicals separated from each other by not more than two carbon atoms.
• the dispersants may also be alkoxylated derivatives of polyamines, and/or quaternized derivatives.
• Enzymes - The compositions may contain one or more detergent enzymes which provide cleaning performance and/or fabric care benefits.
• suitable enzymes include hemicellulases, peroxidases, proteases, cellulases, xylanases, lipases, phospholipases, esterases, cutinases, pectinases, keratanases, reductases, oxidases, phenoloxidases, lipoxygenases, ligninases, pullulanases, tannases, pentosanases, malanases, ß-glucanases, arabinosidases, hyaluronidase, chondroitinase, laccase, and amylases, or mixtures thereof.
• a typical combination may be a cocktail of conventional applicable enzymes like protease, lipase, cutinase and/or cellulase in conjunction with amylase.
• Enzymes can be used at their art-taught levels, for example at levels recommended by suppliers such as Novozymes and Genencor. Typical levels in the compositions are from about 0.0001% to about 5%. When enzymes are present, they can be used at very low levels, e.g., from about 0.001% or lower; or they can be used in heavier-duty laundry detergent formulations at higher levels, e.g., about 0.1% and higher.
• the compositions may be either or both enzyme-containing and enzyme-free.
• the compositions may also include from about 0.0001%, from about 0.01%, from about 0.05% by weight of the compositions to about 10%, about 2%, or even about 1% by weight of the compositions of one or more dye transfer inhibiting agents such as polyvinylpyrrolidone polymers, polyamine N-oxide polymers, copolymers of N-vinylpyrrolidone and N-vinylimidazole, polyvinyloxazolidones and polyvinylimidazoles or mixtures thereof.
• dye transfer inhibiting agents such as polyvinylpyrrolidone polymers, polyamine N-oxide polymers, copolymers of N-vinylpyrrolidone and N-vinylimidazole, polyvinyloxazolidones and polyvinylimidazoles or mixtures thereof.
• Brighteners - The compositions may also comprise a brightener (also referred to as "optical brightener”) and may include any compound that exhibits fluorescence, including compounds that absorb UV light and reemit as "blue” visible light.
• useful brighteners include: derivatives of stilbene or 4,4'-diaminostilbene, biphenyl, five-membered heterocycles such as triazoles, pyrazolines, oxazoles, imidiazoles, etc., or six-membered heterocycles (coumarins, naphthalamide, s-triazine, etc.).
• Cationic, anionic, nonionic, amphoteric and zwitterionic brighteners can be used.
• Suitable brighteners include those commercially marketed under the trade name Tinopal-UNPA-GX® by Ciba Specialty Chemicals Corporation (High Point, NC).
• Bleach system - Bleach systems suitable for use herein contain one or more bleaching agents.
• suitable bleaching agents include catalytic metal complexes; activated peroxygen sources; bleach activators; bleach boosters; photobleaches; bleaching enzymes; free radical initiators; H 2 O 2 ; hypohalite bleaches; peroxygen sources, including perborate and/or percarbonate and combinations thereof.
• Suitable bleach activators include perhydrolyzable esters and perhydrolyzable imides such as, tetraacetyl ethylene diamine, octanoylcaprolactam, benzoyloxybenzenesulphonate, nonanoyloxybenzene ⁇ sulphonate, benzoylvalerolactam, dodecanoyloxybenzenesulphonate.
• Other bleaching agents include metal complexes of transitional metals with ligands of defined stability constants.
• the fluid detergent composition may comprise from about 0.01% to about 1% by weight of a dibenzylidene polyol acetal derivative (DBPA), or from about 0.05% to about 0.8%, or from about 0.1% to about 0.6%, or even from about 0.3% to about 0.5%.
• DBPA dibenzylidene polyol acetal derivative
• suitable DBPA molecules are disclosed in US 61/167604 .
• the DBPA derivative may comprise a dibenzylidene sorbitol acetal derivative (DBS).
• Said DBS derivative may be selected from the group consisting of: 1,3:2,4-dibenzylidene sorbitol; 1,3:2,4-di(p-methylbenzylidene) sorbitol; 1,3:2,4-di(p-chlorobenzylidene) sorbitol; 1,3:2,4-di(2,4-dimethyldibenzylidene) sorbitol; 1,3:2,4-di(p-ethylbenzylidene) sorbitol; and 1,3:2,4-di(3,4-dimethyldibenzylidene) sorbitol or mixtures thereof.
• These and other suitable DBS derivatives are disclosed in US 6,102,999 , column 2 line 43 to column 3 line 65.
• the fluid detergent composition may also comprise from about 0.005 % to about 1 % by weight of a bacterial cellulose network.
• bacterial cellulose encompasses any type of cellulose produced via fermentation of a bacteria of the genus Acetobacter such as CELLULON® by CPKelco U.S. and includes materials referred to popularly as microfibrillated cellulose, reticulated bacterial cellulose, and the like. Some examples of suitable bacterial cellulose can be found in US 6,967,027 ; US 5,207,826 ; US 4,487,634 ; US 4,373,702 ; US 4,863,565 and US 2007/0027108 .
• said fibres have cross sectional dimensions of 1.6 nm to 3.2 nm by 5.8 nm to 133 nm.
• the bacterial cellulose fibres have an average micro fibre length of at least about 100 nm, or from about 100 to about 1,500 nm.
• the bacterial cellulose microfibres have an aspect ratio, meaning the average microfibre length divided by the widest cross sectional microfibre width, of from about 100:1 to about 400:1, or even from about 200:1 to about 300:1.
• the bacterial cellulose is at least partially coated with a polymeric thickener.
• the at least partially coated bacterial cellulose can be prepared in accordance with the methods disclosed in US 2007/0027108 paragraphs 8 to 19.
• the at least partially coated bacterial cellulose comprises from about 0.1 % to about 5 %, or even from about 0.5 % to about 3 %, by weight of bacterial cellulose; and from about 10 % to about 90 % by weight of the polymeric thickener.
• Suitable bacterial cellulose may include the bacterial cellulose described above and suitable polymeric thickeners include: carboxymethylcellulose, cationic hydroxymethylcellulose, and mixtures thereof.
• the composition may further comprise from about 0.01 to about 5% by weight of the composition of a cellulosic fiber.
• Said cellulosic fiber may be extracted from vegetables, fruits or wood.
• Commercially available examples are Avicel® from FMC, Citri-Fi from Fiberstar or Betafib from Cosun.
• the composition may further comprise from about 0.01 to about 1% by weight of the composition of a non-polymeric crystalline, hydroxyl functional structurant.
• Said non-polymeric crystalline, hydroxyl functional structurants generally may comprise a crystallizable glyceride which can be pre-emulsified to aid dispersion into the final fluid detergent composition.
• crystallizable glycerides may include hydrogenated castor oil or "HCO" or derivatives thereof, provided that it is capable of crystallizing in the liquid detergent composition.
• Fluid detergent compositions of the present invention may comprise from about 0.01 % to about 5 % by weight of a naturally derived and/or synthetic polymeric structurant.
• Naturally derived polymeric structurants of use in the present invention include: hydroxyethyl cellulose, hydrophobically modified hydroxyethyl cellulose, carboxymethyl cellulose, polysaccharide derivatives and mixtures thereof.
• Suitable polysaccharide derivatives include: pectine, alginate, arabinogalactan (gum Arabic), carrageenan, gellan gum, xanthan gum, guar gum and mixtures thereof.
• Examples of synthetic polymeric structurants of use in the present invention include: polycarboxylates, polyacrylates, hydrophobically modified ethoxylated urethanes, hydrophobically modified non-ionic polyols and mixtures thereof.
• said polycarboxylate polymer is a polyacrylate, polymethacrylate or mixtures thereof.
• the polyacrylate is a copolymer of unsaturated mono- or di-carbonic acid and C 1 -C 30 alkyl ester of the (meth)acrylic acid. Said copolymers are available from Noveon inc under the tradename Carbopol Aqua 30.
• Silicones - Suitable silicones comprise Si-O moieties and may be selected from (a) non-functionalized siloxane polymers, (b) functionalized siloxane polymers, and combinations thereof.
• the molecular weight of the organosilicone is usually indicated by the reference to the viscosity of the material.
• the organosilicones may comprise a viscosity of from about 10 to about 2,000,000 centistokes at 25°C.
• suitable organosilicones may have a viscosity of from about 10 to about 800,000 centistokes at 25°C.
• Suitable organosilicones may be linear, branched or cross-linked.
• the organosilicone may comprise a cyclic silicone.
• the cyclic silicone may comprise a cyclomethicone of the formula [(CH 3 ) 2 SiO] n where n is an integer that may range from about 3 to about 7, or from about 5 to about 6.
• the organosilicone may comprise a functionalized siloxane polymer.
• Functionalized siloxane polymers may comprise one or more functional moieties selected from the group consisting of amino, amido, alkoxy, hydroxy, polyether, carboxy, hydride, mercapto, sulfate phosphate, and/or quaternary ammonium moieties. These moieties may be attached directly to the siloxane backbone through a bivalent alkylene radical, (i.e., "pendant") or may be part of the backbone.
• Suitable functionalized siloxane polymers include materials selected from the group consisting of aminosilicones, amidosilicones, silicone polyethers, silicone-urethane polymers, quaternary ABn silicones, amino ABn silicones, and combinations thereof.
• the functionalized siloxane polymer may comprise a silicone polyether, also referred to as "dimethicone copolyol.”
• silicone polyethers comprise a polydimethylsiloxane backbone with one or more polyoxyalkylene chains. The polyoxyalkylene moieties may be incorporated in the polymer as pendent chains or as terminal blocks.
• the functionalized siloxane polymer may comprise an aminosilicone.
• the organosilicone may comprise amine ABn silicones and quat ABn silicones.
• Such organosilicones are generally produced by reacting a diamine with an epoxide.
• the functionalized siloxane polymer may comprise silicone-urethanes. These are commercially available from Wacker Silicones under the trade name SLM-21200®.
• the optional perfume component may comprise a component selected from the group consisting of
• Porous Carrier Microcapsule - A portion of the perfume composition can also be absorbed onto and/or into a porous carrier, such as zeolites or clays, to form perfume porous carrier microcapsules in order to reduce the amount of free perfume in the multiple use fabric conditioning composition.
• a porous carrier such as zeolites or clays
• Pro-perfume - The perfume composition may additionally include a pro-perfume.
• Pro-perfumes may comprise nonvolatile materials that release or convert to a perfume material as a result of, e.g., simple hydrolysis, or may be pH-change-triggered pro-perfumes (e.g. triggered by a pH drop) or may be enzymatically releasable pro-perfumes, or light-triggered pro-perfumes.
• the pro-perfumes may exhibit varying release rates depending upon the pro-perfume chosen.
• UV-Spectroscopy is used to determine the concentration of tannins in a liquid test composition, or in a solid or unit dose test composition, or in the wash water liquor of a test composition.
• One suitable UV-spectrophotometer instrument is the model UV1800, manufactured by Shimadzu Corporation in Kyoto, Japan. Samples of the test composition material are prepared in order to generate a liquid test sample which is the solution that is measured spectroscopically. The UV-spectroscopy analysis is conducted in transmission mode, with an optical path length of 0.4 cm, and the absorbance measured at a wavelength of 280 nm.
• Two standard reference materials of known tannins are prepared in dilution series in order to create two internal-spike calibration curves for determining tannin concentration. These two standard reference material tannins are: tannic acid and (-)-epigallocatechin gallate, (available as catalogue numbers 16201 and 93894, respectively, from Sigma Aldrich Co. LLC in St. Louis, MO, USA).
• Samples of solid or unit dose test compositions are first dissolved in a known mass of deionized water that is sufficient to fully dissolve the solid composition at 25°C.
• Samples of solid or unit dose test compositions are initially dissolved in an equal mass of deionized water, to create a 50% (wt/wt) solution. Agitation and heating to a temperature of 25°C may be required to achieve dissolution within 30 mins. If additional water is required to fully dissolve the solid composition, then one or more additional masses of deionized water are added, with each sequential addition having the same mass as the first addition of water. A minimum number of water additions are used in order to achieve full dissolution of the composition.
• the resultant solution is the liquid test sample to be analysed for the solid or unit dose composition being tested.
• Samples of liquid test compositions are diluted with an equal volume of deionized water to create a 50% (v/v) solution.
• the resultant solution is the liquid test sample to be analysed for the fluid composition being tested.
• Tannin solvent is prepared by making a 1:1:1 solution water:ethanol:ethylene glycol. A glass jar is tared on a scale and 25 mg of water is added to the jar. The scale is then re-zeroed and 25 g of ethanol is added to the jar containing water. The scale is re-zeroed and 25 g of ethylene glycol is added to the water:ethanol mixture. The jar is then sealed with a lid and shaken to mix.
• Tannin working solution is prepared by making a 2% mixture of tannin material in Tannin Solvent. A glass jar is tared on a scale and 0.4 g of tannin extract is added to the jar. Next, Tannin Solvent is added to the jar until the measured weight reaches 20 g. The jar is sealed with a lid and placed in a ultrasonicator where the mixture is sonicated for 30 minutes.
• a mixture of liquid laundry detergent containing 0.2% Tannin Working Solution is prepared by taring a glass jar on a scale and adding 0.2 g of Tannin Working Solution to the jar. Liquid Laundry Detergent is then added to the jar until the measured weight reaches 100g.
• the resultant solution is the liquid test sample to be analysed to determine tannin concentration in the wash water liquor of the composition being tested.
• the two internal calibration curves are created by generating two separate tannin-spiked sample solutions, one from each of the two standard reference tannins.
• Each tannin-spiked sample solution comprises a final concentration of 1% standard reference tannin (wt/v), in an aliquot of liquid test sample prepared according to the instructions given herein.
• Each of the resulting two tannin-spiked sample solutions is then subsequently used to create a dilution series.
• a dilution series is created from each prepared liquid test sample or tannin-spiked sample solution.
• Each dilution series is prepared with buffer and deionized water to yield a series of five dilution solutions each having a different final concentration.
• the final concentration of liquid test solution or tannin-spiked sample solution (as appropriate) in each of the five solutions in the dilution series is as follows: 100 ppm; 50 ppm; 25 ppm; 10 ppm; and 0 ppm.
• Each solution in the dilution series has a final volume of 1 mL and comprises 990 uL of 20 mM MOPS (3-(N-morpholino)propanesulfonic acid) buffer at pH 7.1.
• MOPS 3-(N-morpholino)propanesulfonic acid
• Each material being tested yields a total of 15 fluids, resulting from 5 dilutions in 3 series (i.e., liquid test sample; the first tannin-spiked reference sample; and the second tannin-spiked reference sample).
• Each of the 15 fluids is measured in the UV-spectrophotometer and the absorbance value at 280 nm is measured three times. The average of the three measurements is the absorbance value recorded for that fluid.
• the measured absorbance values from the three series are plotted on a graph and linear line fit to each of the three data series.
• the slopes of the lines from the two tannin-spiked reference samples are then compared to the slope of the line from the liquid test sample.
• the tannin-spike reference sample having a slope most similar to the liquid test sample slope is identified and selected for further analysis. The least similar slope is discarded.
• an additional calibration dilution series is prepared and measured. This new dilution series is prepared at modified concentrations such that the new linear calibration curve overlaps with the linear line fit through the absorbance values from the liquid test sample series.
• the point at which the two lines intersect indicates the concentration of tannin in the liquid test sample, and is used to back calculate the concentration of tannin present in the original test material.
• the number average molecular weight, M n , as well as the weight average molecular weight, M w can be determined using gel permeation chromatography (GPC).
• GPC gel permeation chromatography
• representative tannin samples are acetobrominated as reported in archival literature ( J. Asikkala, T. Tamminen, D. S. Argyropoulos, J. Agric. Food Chem. 2012, 60, 8968-8973 .) to ensure complete solubilisation in tetrahydrofuran (THF). 5mg tannin is suspended in 1mL glacial acetic acid/acetyl bromide (9:1 v/v) for 2 h.
• Typical analysis set-ups resemble the following specific example: GPC-analyses are performed using a Shimadzu instrument consisting of a controller unit (CBM-20A), a pumping unit (LC 20AT), a degasser unit (DGU-20A3), a column oven (CTO-20AC), a diode array detector (SPD-M20A), and a refractive index detector (RID-10A); the instrumental set-up is controlled using the Shimadzu LabSolution software package (Version 5.42 SP3).
• CBM-20A controller unit
• LC 20AT pumping unit
• DGU-20A3 degasser unit
• CTO-20AC column oven
• SPD-M20A diode array detector
• RID-10A refractive index detector
• Typical spectral parameters for quantitative studies are as follows: 90° pulse width and sweep width of 6600 Hz.
• the spectra are accumulated with a delay of 15 s between successive pulses. Line broadening of 4 Hz is applied, and a drift correction is performed prior to Fourier transform.
• Chemical shifts are expressed in parts per million from 85 % H3PO4 as an external reference. All chemical shifts reported are relative to the reaction product of water with Cl-TMDP, which has been observed to give a sharp signal in pyridine/CDCl3 at 132.2 ppm.
• a total of 256 scans are acquired. The maximum standard deviation of the reported data is 0.02 mmol/g, while the maximum standard error is 0.01 mmol/g.
• a method of reducing malodor comprising contacting a surface, preferably a fabric surface, with a composition or product as described herein in a , washing, rinsing and/ or drying step of a cleaning and/or treatment process for a surface.
• the composition comprising tannin is a cleaning composition.
• the composition comprising tannin is a fabric treatment composition, preferably a fabric softening composition.
• the composition comprising tannin is in the form of a dryer-additive, such as a dryer sheet.
• a drying step may comprise passive and/or active drying..
• said surface preferably a fabric surface is sufficiently treated to provide said surface with, based on total surface weight, from about 0.001 ppm to about 100ppm of a tannin.
• a treatment liquor comprising based on total treatment liquor weight, from about 0.001 ppm to about 500 ppm, from about 0.01 ppm to about 100 ppm, more preferably from about 0.1 ppm to about 50 ppm of a tannin is disclosed.
• Granular laundry detergent compositions for hand washing or washing machines, typically top-loading washing machines A (wt %) B (wt %) C (wt %) D (wt %) E (wt %) F (wt %) Linear alkylbenzenesulfonate 20 22 20 15 19.5 20 C 12-14 Dimethylhydroxyethyl ammonium chloride 0.7 0.2 1 0.6 0.0 0 AE3S 0.9 1 0.9 0.0 0.4 0.9 AE7 0.0 0.0 0.0 1 0.1 3
• Polyacrylate MW 4500 1 0.6 1 1 1.5 1 Random graft copolymer 1 0.1 0.2 0.0 0.0 0.05 0.0 Carboxymethyl cellulose 1 0.3 1 1 1 1 1 Stainzyme® (20
• Granular laundry detergent compositions typically for front-loading automatic washing machines.
• the typical pH is about 10
• Example of Unit Dose detergents A B C 14-15 alkyl poly ethoxylate (8) 12 - C 12-14 alkyl poly ethoxylate (7) 1 14 C 12-14 alkyl poly ethoxylate (3) sulfate Mono EthanolAmine salt 8.4 9 Linear Alkylbenzene sulfonic acid 15 16 Citric Acid 0.6 0.5 C 12-18 Fatty Acid 15 17 Enzymes 1.5 1.2 PEI 600 EO20 4 - Diethylene triamine penta methylene phosphonic acid or HEDP 1.3 - Fluorescent brightener 0.2 0.3 Hydrogenated Castor Oil 0.2 0.2 1, 2 propanediol 16 12 Glycerol 6.2 8.5 Sodium hydroxide - 1 Mono Ethanol Amine 7.9 6.1 Dye Present Present Present PDMS - 2.7 Potassium sulphite 0.2 0.2 Tannin 0.005 0.09 Water Up to 100p Up to 100 (1)
• LAS is linear alkylbenzenesulfonate having an average aliphatic carbon chain length C 9 -C 15 supplied by Stepan, Northfield, Illinois, USA or Huntsman Corp. (HLAS is acid form).
• AE3S is C 12-15 alkyl ethoxy (3) sulfate supplied by Stepan, Northfield, Illinois, USA
• AE7 is C 12-15 alcohol ethoxylate, with an Javerage degree of ethoxylation of 7, supplied by Huntsman, Salt Lake City, Utah, USA
• AES is C 10-18 alkyl ethoxy sulfate supplied by Shell Chemicals.
• AE9 is C 12-13 alcohol ethoxylate, with an average degree of ethoxylation of 9, supplied by Huntsman, Salt Lake City, Utah, USA
• HSAS or HC1617HSAS is a mid-branched primary alkyl sulfate with average carbon chain length of about 16-17
• Sodium tripolyphosphate is supplied by Rhodia, Paris, France
• Zeolite A is supplied by Industrial Zeolite (UK) Ltd, Grays, Essex, UK
• 1.6R Silicate is supplied by Koma, Nestemica, Czech Republic Sodium Carbonate is supplied by Solvay, Houston, Texas, USA
• Polyacrylate MW 4500 is supplied by BASF, Ludwigshafen, Germany
• Carboxymethyl cellulose is Finnfix® V supplied by CP Kelco, Arnhem, Netherlands
• Suitable chelants are, for example, diethylenetetraamine pentaacetic acid (DTPA) supplied by Dow Chemical, Midland, Michigan, USA or Hydroxyethane di phosphonate (HEDP) supplied by
• Proteases may be supplied by Genencor International, Palo Alto, California, USA (e.g. Purafect Prime®) or by Novozymes, Bagsvaerd, Denmark (e.g. Liquanase®, Coronase®).
• Fluorescent Brightener 1 is Tinopal® AMS
• Fluorescent Brightener 2 is Tinopal® CBS-X
• Sulphonated zinc phthalocyanine and Direct Violet 9 is Pergasol® Violet BN-Z all supplied by Ciba Specialty Chemicals, Basel, Switzerland
• Sodium percarbonate supplied by Solvay, Houston, Texas, USA Tannin is from pine bark or grape seeds
• Sodium perborate is supplied by Degussa, Hanau, Germany
• NOBS is sodium nonanoyloxybenzenesulfonate, supplied by Future Fuels, Batesville, USA.
• TAED is tetraacetylethylenediamine, supplied under the Peractive® brand name by Clariant GmbH, Sulzbach, Germany
• S-ACMC is carboxymethylcellulose conjugated with C.I. Reactive Blue 19, sold by Megazyme, Wicklow, Ireland under the product name AZO-CM-CELLULOSE, product code S-ACMC.
• Soil release agent is Repel-o-tex® PF, supplied by Rhodia, Paris, France
• Acrylic Acid/Maleic Acid Copolymer is molecular weight 70,000 and acrylate:maleate ratio 70:30, supplied by BASF, Ludwigshafen, Germany
• Na salt of Ethylenediamine-N,N'-disuccinic acid, (S,S) isomer (EDDS) is supplied by Octel, Ellesmere Port, UK Hydroxyethane di phosphonate (HEDP) is supplied by Dow Chemical, Midland, Michigan, USA
• Suds suppressor agglomerate is supplied by Dow Coming, Midland, Michigan, USA
• HSAS is mid-branched alkyl sulfate as disclosed in US 6,020,303 and US 6,060,443 C 12-14 dimethyl Amine Oxide is supplied by Procter & Gamble Chemicals, Cincinnati, USA
• Random graft copolymer is a polyvinyl acetate grafted polyethylene oxide copolymer having a polyethylene oxide backbone and multiple polyvinyl acetate side chains.
• the molecular weight of the polyethylene oxide backbone is about 6000 and the weight ratio of the polyethylene oxide to polyvinyl acetate is about 40:60 and no more than 1 grafting point per 50 ethylene oxide units.
• Cationic cellulose polymer is LK400, LR400 and/or JR30M from Amerchol Corporation, Edgewater NJ
• a panel of experienced evaluators assesses malodor intensity of the dry swatches which were originally treated with malodor and then washed. Malodor intensity is assessed on a 0-100 scale, where 0 means absence of malodor and 100 means a very high a noticeable malodor intensity. A difference of 5 points is consumer noticeable. After washing and drying the swatches treated with the liquid detergent containing the condensed tannin have a lower malodor intensity than the swatches treated only with the liquid detergent.
• Product Malodor intensity Scale 0-100
• Liquid detergent 50 Liquid detergent + 0.2% of a solution containing 2% tannin (bark pine extract) 30 Liquid detergent + 1% of a solution containing tannin 2% (bark pine extract) 40

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