WO1999027045A1 - Utilisation d'un compose amide a base d'acide gras polyhydroxyle comme compose adoucissant - Google Patents

Utilisation d'un compose amide a base d'acide gras polyhydroxyle comme compose adoucissant Download PDF

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Publication number
WO1999027045A1
WO1999027045A1 PCT/US1998/024690 US9824690W WO9927045A1 WO 1999027045 A1 WO1999027045 A1 WO 1999027045A1 US 9824690 W US9824690 W US 9824690W WO 9927045 A1 WO9927045 A1 WO 9927045A1
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Prior art keywords
compositions
acid amide
composition
amide compound
fabrics
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PCT/US1998/024690
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English (en)
Inventor
Jean-Luc Philippe Bettiol
Raphael Angeline Alfons Ceulemans
Christiaan Arthur Jacques Thoen
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The Procter & Gamble Company
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Publication of WO1999027045A1 publication Critical patent/WO1999027045A1/fr

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    • 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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/38—Cationic compounds
    • C11D1/52—Carboxylic amides, alkylolamides or imides or their condensation products with alkylene oxides
    • C11D1/525—Carboxylic amides (R1-CO-NR2R3), where R1, R2 or R3 contain two or more hydroxy groups per alkyl group, e.g. R3 being a reducing sugar rest
    • 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

Definitions

  • the present invention relates to the use of a polyhydroxyfatty acid amide compound as a softening compound and as an agent improving fabric appearance upon repeated laundering.
  • fabrics e.g., clothing, bedding, household fabrics such as table linens
  • fabrics e.g., clothing, bedding, household fabrics such as table linens
  • a loss in the fabric appearance upon typical consumer's uses of the fabrics such as wearing, washing, rinsing and/or tumble-drying of fabrics, a loss in the fabric appearance.
  • softening compounds of the quaternary ammonium type have been employed.
  • quaternary ammonium softening compounds include the traditionally used di-long chain ammonium chlorides such as ditallowdimethylammonium chloride and N,N-di(tallowyl-oxy-ethyl)-N,N- dimethyl ammonium chloride.
  • Said materials and fabric softening compositions containing them are disclosed in numerous publications such as EPA 040 562, and EPA 239 910.
  • Still other softening compounds are the alkyl glycosides compounds described in WO 92/22698 as auxiliaries in the pretreatment of textiles. Further softening compounds are the sugar esters described in EP-A- 0,380,406 as softening and whitening agents.
  • Polyhydroxyfatty acid amide compounds are known in detergent compositions as described in EP-0,558,515 and EP-0,550,634 as a nonionic surfactant which provide cleaning benefit.
  • the polyhydroxyfatty acid amide has also been found effective as ironing aid as well as for inhibiting or reducing fabric abrasion.
  • the present invention relates to the use of a polyhydroxyfatty acid amide compound as a softening compound.
  • the present invention also relates to the use of said compound as an ironing aid.
  • the present invention also relates to the use of said compound for reducing fabric abrasion.
  • a polyhydroxyfatty acid amide compound is the essential component of the invention.
  • the polyhydroxyfatty acid amide compound for the purpose of the invention have the formula: (I) R2 - C(O) - N(R 1 ) - Z
  • R1 is H, C1-C4 hydrocarbyl, 2-hydroxy ethyl, 2-hydroxypropyl, or a mixture thereof, and R2 is a C5-C31 hydrocarbyl; and Z is a polyhydroxyhydrocarbyl having a linear hydrocarbyl chain with at least 3 hydroxyls directly connected to the chain, or an alkoxylated derivative thereof which is preferably ethoxylated or propoxylated.
  • R 1 is C1-C4 alkyl, more preferably C-
  • R 2 is a straight chain C7-C19 alkyl or alkenyl, more preferably straight chain C9-C17 alkyl or alkenyl, most preferably straight chain C-11- C17 alkyl or alkenyl, or mixtures thereof.
  • Z preferably will be derived from a reducing sugar in a reductive amination reaction; more preferably Z is a glycityl.
  • Suitable reducing sugars include glucose, fructose, maltose, lactose, galactose, mannose, and xylose.
  • high dextrose corn syrup can be utilized as well as the individual sugars listed above. These corn syrups may yield a mix of sugar components for Z. It should be understood that it is by no means intended to exclude other suitable raw materials.
  • Z preferably will be selected from the group consisting of -CH 2 -(CHOH) n -CH 2 OH, -CH(CH 2 OH)-(CHOH) n .
  • n is an integer from 3 to 5, inclusive, and R' is H or a cyclic or aliphatic monosaccharide, and alkoxylated derivatives thereof.
  • R' is H or a cyclic or aliphatic monosaccharide, and alkoxylated derivatives thereof.
  • Most preferred are glycityls wherein n is 4, particularly -CH 2 -(CHOH) 4 -CH 2 OH.
  • R 1 can be, for example, N-methyl, N-ethyl, N-propyl, N- isopropyl, N-butyl, N-2-hydroxy ethyl, or N-2-hydroxy propyl.
  • R 2 -CO-N ⁇ can be, for example, cocamide, stearamide, oleamide, lauramide, myristamide, capricamide, palmitamide, tallowamide, etc.
  • Z can be 1-deoxyglucityl, 2-deoxyfructityl, 1-deoxymaltityl, 1-deoxylactityl, 1- deoxygalactityl, 1-deoxymannityl, 1-deoxymaltotriotityl, etc.
  • the polyhydroxyfatty acid amide compound can be employed in any compositions where there is a need for a softening of the fabrics such as in stand alone product including pre-or post-wash additives. It can also be employed in fully-formulated laundry and cleaning compositions such as softening compositions including rinse added fabric softener compositions and dryer added compositions (e.g. sheets).
  • Typical levels of incorporation of the polyhydroxyfatty acid amide compound within the softening compositions is of from 0.005% to 50%, more preferably from 0.05% to 20%, most preferably from 0.1% to 5% by weight of the composition.
  • compositions When incorporated into softening compositions, the compositions will comprises optional ingredients conventional to fabric softening compositions.
  • the liquid carrier employed in the instant compositions is preferably at least primarily water due to its low cost, relative availability, safety, and environmental compatibility.
  • the level of water in the liquid carrier is preferably at least about 50%, most preferably at least about 60%, by weight of the carrier.
  • Mixtures of water and low molecular weight, e.g., ⁇ about 200, organic solvent, e.g., lower alcohols such as ethanol, propanol, isopropanol or butanol are useful as the carrier liquid.
  • Low molecular weight alcohols include monohydric, dihydric (glycol, etc.) trihydric (glycerol, etc.), and higher polyhydric (polyols) alcohols.
  • compositions of the present invention may comprise one or more solvents which provide increased ease of formulation. These ease of formulation solvents are all disclosed in WO 97/03169. This is particularly the case when formulating liquid, clear fabric softening compositions.
  • the ease of formulation solvent system preferably comprises less than about 40%, preferably from about 10% to about 35%, more preferably from about 12% to about 25%, and even more preferably from about 14% to about 20%, by weight of the composition.
  • the ease of formulation solvent is selected to minimize solvent odor impact in the composition and to provide a low viscosity to the final composition. For example, isopropyl alcohol is not very effective and has a strong odor.
  • n-Propyl alcohol is more effective, but also has a distinct odor.
  • Several butyl alcohols also have odors but can be used for effective clarity/stability, especially when used as part of a ease of formulation solvent system to minimize their odor.
  • the alcohols are also selected for optimum low temperature stability, that is they are able to form compositions that are liquid with acceptable low viscosities and translucent, preferably clear, down to about 4.4°C and are able to recover after storage down to about -6.7°C.
  • Suitable solvents can be selected based upon their octanol/water partition coefficient (P) as defined in WO 97/03169.
  • the ease of formulation solvents herein are selected from those having a ClogP of from about 0.15 to about 0.64, preferably from about 0.25 to about 0.62, and more preferably from about 0.40 to about 0.60, said ease of formulation solvent preferably being at least somewhat asymmetric, and preferably having a melting or solidification point that allows it to be liquid at, or near room temperature. Solvents that have a low molecular weight and are biodegradable are also desirable for some purposes.
  • compositions that have been diluted to the concentration used in the rinse.
  • These dilute compositions appear to have dispersions of fabric softener that exhibit a more uni-lamellar appearance than conventional fabric softener compositions. The closer to uni-lamellar the appearance, the better the compositions seem to perform.
  • These compositions provide surprisingly good fabric softening as compared to similar compositions prepared in the conventional way with the same fabric softener active.
  • Particularly preferred ease of formulation solvents include hexanediols such as 1 ,2-Hexanediol and 2-Ethyl-1 ,3-hexanedioi and pentanediols such as 2,2,4-Trimethyl-1 ,3- pentanediol.
  • compositions containing both saturated and unsaturated diester quaternary ammonium compounds can be prepared that are stable without the addition of concentration aids.
  • the compositions of the present invention may require organic and/or inorganic concentration aids to go to even higher concentrations and/or to meet higher stability standards depending on the other ingredients.
  • concentration aids which typically can be viscosity modifiers may be needed, or preferred, for ensuring stability under extreme conditions when particular softener active levels are used.
  • the surfactant concentration aids are typically selected from the group consisting of (1 ) single long chain alkyl cationic surfactants; (2) nonionic surfactants; (3) amine oxides; (4) fatty acids; and (5) mixtures thereof. These aids are described in WO 94/20597, specifically on page 14, line 12 to page 20, line 12, which is herein incorporated by reference.
  • the total level is from 2% to 25%, preferably from 3% to 17%, more preferably from 4% to 15%, and even more preferably from 5% to 13% by weight of the composition.
  • These materials can either be added as part of the active softener raw material, (I), e.g., the mono-long chain alkyl cationic surfactant and/or the fatty acid which are reactants used to form the biodegradable fabric softener active as discussed hereinbefore, or added as a separate component.
  • the total level of dispersibility aid includes any amount that may be present as part of component (I).
  • Inorganic viscosity/dispersibility control agents which can also act like or augment the effect of the surfactant concentration aids, include water- soluble, ionizable salts which can also optionally be incorporated into the compositions of the present invention.
  • ionizable salts can be used. Examples of suitable salts are the halides of the Group IA and IIA metals of the Periodic Table of the Elements, e.g., calcium chloride, magnesium chloride, sodium chloride, potassium bromide, and lithium chloride.
  • the ionizable salts are particularly useful during the process of mixing the ingredients to make the compositions herein, and later to obtain the desired viscosity.
  • the amount of ionizable salts used depends on the amount of active ingredients used in the compositions and can be adjusted according to the desires of the formulator. Typical levels of salts used to control the composition viscosity are from about 20 to about 20,000 parts per million (ppm), preferably from about 20 to about 11 ,000 ppm, by weight of the composition.
  • Alkylene polyammonium salts can be incorporated into the composition to give viscosity control in addition to or in place of the water-soluble, ionizable salts above.
  • these agents can act as scavengers, forming ion pairs with anionic detergent carried over from the main wash, in the rinse, and on the fabrics, and may improve softness performance. These agents may stabilize the viscosity over a broader range of temperature, especially at low temperatures, compared to the inorganic electrolytes.
  • alkylene polyammonium salts include l-lysine monohydrochloride and 1 ,5-diammonium 2-methyl pentane dihydrochioride.
  • composition of the invention may optionally comprise a dye fixing agent.
  • Dye fixing agents or "fixatives”, are well-known, commercially available materials which are designed to improve the appearance of dyed fabrics by minimizing the loss of dye from fabrics due to washing. Not included within this definition are components which are fabric softeners or those described hereinbefore as amino-functional polymers.
  • Cationic fixatives are available under various trade names from several suppliers. Representative examples include: CROSCOLOR PMF (July 1981 , Code No. 7894) and CROSCOLOR NOFF (January 1988, Code No. 8544) from Crosfield; INDOSOL E-50 (February 27, 1984, Ref. No.
  • Dye fixing agents suitable for use in the present invention are ammonium compounds such as fatty acid - diamine condensates e.g. the hydrochloride, acetate, metosulphate and benzyl hydrochloride of oleyldiethyl aminoethylamide, oleylmethyl- diethylenediaminemethosulphate, monostearyl-ethylene diaminotrimethylammonium methosulphate and oxidized products of tertiary amines; derivatives of polymeric alkyldiamines, polyamine-cyanuric chloride condensates and aminated glycerol dichlorohydrins.
  • ammonium compounds such as fatty acid - diamine condensates e.g. the hydrochloride, acetate, metosulphate and benzyl hydrochloride of oleyldiethyl aminoethylamide, oleylmethyl- diethylenediaminemethosulphate, monostearyl-ethylene dia
  • a typical amount of the dye fixing agent to be employed in the composition of the invention is preferably up 90% by weight, preferably up to 50% by weight, more preferably from 0.001 % to 10% by weight, most preferably from 0.5% to 5% active by weight of the composition.
  • Stabilizers can be present in the compositions of the present invention.
  • the term "stabilizer,” as used herein, includes antioxidants and reductive agents. These agents are present at a level of from 0% to about 2%, preferably from about 0.01 % to about 0.2%, more preferably from about 0.035% to about 0.1 % for antioxidants, and more preferably from about 0.01 % to about 0.2% for reductive agents. These assure good odor stability under long term storage conditions for the compositions and compounds stored in molten form.
  • the use of antioxidants and reductive agent stabilizers is especially critical for low scent products (low perfume).
  • antioxidants examples include a mixture of ascorbic acid, ascorbic palmitate, propyl gallate, available from Eastman Chemical Products, Inc., under the trade names Tenox® PG and Tenox S-1 ; a mixture of BHT (butylated hydroxytoluene), BHA (butylated hydroxyanisole), propyl gallate, and citric acid, available from Eastman Chemical Products, Inc., under the trade name Tenox-6; butylated hydroxytoluene, available from UOP Process Division under the trade name Sustane® BHT; tertiary butylhydroquinone, Eastman Chemical Products, Inc., as Tenox TBHQ; natural tocopherols, Eastman Chemical Products, Inc., as Tenox GT-1/GT-2; and butylated hydroxyanisole, Eastman Chemical Products, Inc., as BHA; long chain esters (C8-C22) of gallic acid, e.g., dodecyl gallate, available from Eastman Chemical Products, Inc.
  • Irganox® 1035 41484-35-9 Thiodiethylene bis(3,5-di-tert-butyl-4- hydroxyhydrocinnamate
  • Irganox® 1098 23128-74-7 N,N'-Hexamethylene bis(3 , 5-d i-tert-butyl-4- hydroxyhydrocinnamamide
  • Irganox® 1425 65140-91-2 Calcium bis(monoethyl(3,5-di-tert-butyl-4- hydroxybenzyl)phosphonate)
  • reductive agents examples include sodium borohydride, hypophosphorous acid, Irgafos® 168, and mixtures thereof.
  • Polymeric soil release agents are characterized by having both hydrophilic segments, to hydrophilize the surface of hydrophobic fibers, such as polyester and nylon, and hydrophobic segments, to deposit upon hydrophobic fibers and remain adhered thereto through completion of washing and rinsing cycles and, thus, serve as an anchor for the hydrophilic segments. This can enable stains occurring subsequent to treatment with the soil release agent to be more easily cleaned in later washing procedures.
  • soil release agents will generally comprise from about 0.01% to about 10.0%, by weight, of the detergent compositions herein, typically from about 0.1% to about 5%, preferably from about 0.2% to about 3.0%.
  • soil release agents include the METOLOSE SM100, METOLOSE SM200 manufactured by Shin-etsu Kagaku Kogyo K.K., SOKALAN type of material, e.g., SOKALAN HP-22, available from BASF (Germany), ZELCON 5126 (from Dupont) and MILEASE T (from ICI).
  • bactericides used in the compositions of this invention include glutaraldehyde, formaldehyde, 2-bromo-2-nitro-propane-1 ,3-diol sold by Inolex Chemicals, located in Philadelphia, Pennsylvania, under the trade name Bronopol®, and a mixture of 5-chloro-2-methyl-4-isothiazoline-3-one and 2-methyl-4-isothiazoline-3-one sold by Rohm and Haas Company under the trade name Kathon 1 to 1 ,000 ppm by weight of the agent.
  • the present invention can contain a perfume. Suitable perfumes are disclosed in U.S. Pat. 5,500,138, said patent being incorporated herein by reference.
  • perfume includes fragrant substance or mixture of substances including natural (i.e., obtained by extraction of flowers, herbs, leaves, roots, barks, wood, blossoms or plants), artificial (i.e., a mixture of different nature oils or oil constituents) and synthetic (i.e., synthetically produced) odoriferous substances.
  • natural i.e., obtained by extraction of flowers, herbs, leaves, roots, barks, wood, blossoms or plants
  • artificial i.e., a mixture of different nature oils or oil constituents
  • synthetic i.e., synthetically produced
  • perfumes are complex mixtures of a plurality of organic compounds.
  • the range of the natural raw substances can embrace not only readily- volatile, but also moderately-volatile and slightly-volatile components and that of the synthetics can include representatives from practically all classes of fragrant substances, as will be evident from the following illustrative compilation: natural products, such as tree moss absolute, basil oil, citrus fruit oils (such as bergamot oil, mandarin oil, etc.), mastix absolute, myrtle oil, palmarosa oil, patchouli oil, petitgrain oil Paraguay, wormwood oil, alcohols, such as famesol, geraniol, linalool, nerol, phenylethyl alcohol, rhodinol, cinnamic alcohol, aldehydes, such as citral, HelionalTM, alpha- hexyl-cinnamaldehyde, hydroxycitronellal, LilialTM (p-tert-butyl-alpha - methyldihydrocinnamaldehyde),
  • any conventional fragrant acetal or ketal known in the art can be added to the present composition as an optional component of the conventionally formulated perfume (c).
  • Such conventional fragrant acetals and ketals include the well-known methyl and ethyl acetals and ketals, as well as acetals or ketals based on benzaldehyde, those comprising phenylethyl moieties, or more recently developed specialties such as those described in a United States Patent entitled "Acetals and Ketals of Oxo-Tetralins and Oxo-lndanes, see U.S. Pat. No. 5 ,084,440, issued January 28, 1992, assigned to Givaudan Corp.
  • perfume compositions for fully-formulated fabric softening compositions include the enol ethers of alkyl-substituted oxo-tetralins and oxo-indanes as described in U.S. Pat. 5,332,725, July 26, 1994, assigned to Givaudan; or Schiff Bases as described in U.S. Pat. 5,264,615, December 9, 1991 , assigned to Givaudan.
  • the perfumes useful in the present invention compositions are substantially free of halogenated materials and nitromusks.
  • Perfume can be present at a level of from 0% to 10%, preferably from 0.1 % to 5%, and more preferably from 0.2% to 3%, by weight of the finished composition.
  • Fabric softener compositions of the present invention provide improved fabric perfume deposition.
  • compositions and processes herein can optionally employ one or more copper and/or nickel chelating agents ("chelators").
  • chelators can be selected from the group consisting of amino carboxylates, amino phosphonates, polyfunctionally-substituted aromatic chelating agents and mixtures thereof, all as hereinafter defined.
  • the whiteness and/or brightness of fabrics are substantially improved or restored by such chelating agents and the stability of the materials in the compositions are improved.
  • Amino carboxylates useful as chelating agents herein include ethylenedi- aminetetraacetates (EDTA), N-hydroxyethylethylenediaminetriacetates, nitrilotriacetates (NTA), ethylenediamine tetraproprionates, ethylenediamine- N.N'-diglutamates, 2-hyroxypropylenediamine-N,N'-disuccinates, triethylenetetraaminehexacetates, diethylenetriaminepentaacetates
  • DETPA ethanoldiglycine
  • water-soluble salts such as the alkali metal, ammonium, and substituted ammonium salts thereof and mixtures thereof.
  • Amino phosphonates are also suitable for use as chelating agents in the compositions of the invention when at least low levels of total phosphorus are permitted in detergent compositions, and include ethylenediaminetetrakis (methylenephosphonates), and diethylenetriamine- N,N,N',N",N"-pentakis(methane phosphonate) (DETMP).
  • these amino phosphonates do not contain alkyl or alkenyl groups with more than 6 carbon atoms.
  • the chelating agents are typically used in the present rinse process at levels from 2 ppm to 25 ppm, for periods from 1 minute up to several hours' soaking.
  • the preferred EDDS chelator used herein (also known as ethylenediamine- N.N'-disuccinate) is the material described in U.S. Patent 4,704,233, cited hereinabove.
  • the EDDS has advantages over other chelators in that it is effective for chelating both copper and nickel cations, is available in a biodegradable form, and does not contain phosphorus.
  • the EDDS employed herein as a chelator is typically in its salt form, i.e., wherein one or more of the four acidic hydrogens are replaced by a water-soluble cation M, such as sodium, potassium, ammonium, triethanolammonium, and the like. At certain pH's the EDDS is preferably used in combination with zinc cations.
  • chelators can be used herein. Indeed, simple polycarboxylates such as citrate, oxydisuccinate, and the like, can also be used, although such chelators are not as effective as the amino carboxylates and phosphonates, on a weight basis. Accordingly, usage levels may be adjusted to take into account differing degrees of chelating effectiveness.
  • the chelators herein will preferably have a stability constant (of the fully ionized chelator) for copper ions of at least 5, preferably at least 7. Typically, the chelators will comprise from 0.5% to 10%, more preferably from 0.75% to 5%, by weight of the compositions herein.
  • Preferred chelators include DETMP, DETPA, NTA, EDDS and mixtures thereof.
  • compositions and processes herein can optionally employ one or more enzymes such as lipases, proteases, cellulase, amylases and peroxidases.
  • a preferred enzyme for use herein is a cellulase enzyme. Indeed, this type of enzyme will further provide a color care benefit to the treated fabric.
  • Cellulases usable herein include both bacterial and fungal types, preferably having a pH optimum between 5 and 9.5. U.S.
  • 4,435,307 discloses suitable fungal cellulases from Humicola insolens or Humicola strain DSM1800 or a cellulase 212-producing fungus belonging to the genus Aeromonas, and cellulase extracted from the hepatopancreas of a marine mollusk, Dolabella Auricula Solander. Suitable cellulases are also disclosed in GB-A- 2.075.028; GB-A-2.095.275 and DE-OS-2.247.832. CAREZYME® and CELLUZYME® (Novo) are especially useful.
  • compositions herein will typically comprise from 0.001 % to 5%, preferably 0.01 %-1 % by weight of a commercial enzyme preparation.
  • activity units are preferred (e.g. CEVU or cellulase Equivalent Viscosity Units).
  • compositions of the present invention can contain cellulase enzymes at a level equivalent to an activity from 0.5 to 1000 CEVU/gram of composition.
  • Cellulase enzyme preparations used for the purpose of formulating the compositions of this invention typically have an activity comprised between 1 ,000 and 10,000 CEVU/gram in liquid form, around 1 ,000 CEVU/gram in solid form.
  • the present invention composition can include optional components conventionally used in fully formulated laundry detergent compositions such as described in WO 97/05226, for example builders, bleaches, brighteners, colorants; surfactants; anti-shrinkage agents; fabric crisping agents; spotting agents; germicides; fungicides; anti-corrosion agents, antifoam agents, conventional fabric softeners, and the like.
  • optional components conventionally used in fully formulated laundry detergent compositions such as described in WO 97/05226, for example builders, bleaches, brighteners, colorants; surfactants; anti-shrinkage agents; fabric crisping agents; spotting agents; germicides; fungicides; anti-corrosion agents, antifoam agents, conventional fabric softeners, and the like.
  • the present invention can also include other compatible ingredients, including those as disclosed in WO96/02625, WO96/21714, and WO96/21715, and the polyamino functional polymers disclosed in co- pending application EP 97201488.0.
  • the benefit provided by the use of the present invention is that the fabric softness which arises on fabrics, upon a laundering process, is improved, e.g. it is meant that laundered fabrics which are in contact with a polyhydroxyfatty acid amide compound or composition thereof exhibit an improved fabric softness versus fabrics which are in contact with no polyhydroxyfatty acid amide compound or no polyhydroxyfatty acid amide compound containing- composition but still laundered.
  • a method for softening the fabric in particular upon domestic laundering processes, which comprises the steps of contacting the fabrics with a polyhydroxyfatty acid amide compound or a composition thereof as defined hereinbefore.
  • the application of the polyhydroxyfatty acid amide compound to the fabric surface is made upon the rinsing step of a laundry process.
  • the polyhydroxyfatty acid amide compound is incorporated in fabric softening compositions.
  • the use of the polyhydroxyfatty acid compound provides a better ease of ironing, especially under traditional ironing conditions which occurs at 200C.
  • a method for improving the ease of ironing of fabrics which comprises the steps of contacting the fabrics with a polyhydroxyfatty acid amide compound or a composition thereof containing said compound as defined herein before and thereafter subjecting the treated fabrics to a heating source.
  • the heating source is provided by a process selected from a tumble-drying process, ironing process and mixtures thereof.
  • a process selected from a tumble-drying process, ironing process and mixtures thereof it has been found most beneficial for the ironing performance when the iron was set to a temperature of at least 100, preferably 200C.
  • the use of the polyhydroxyfatty acid compound has been found beneficial to reduce or inhibit the fabric abrasion. Accordingly, it is an object of the present invention to provide a method for reducing fabric abrasion, which comprises the steps of contacting the fabrics with a polyhydroxyfatty acid amide compound or a composition thereof containing said compound as defined herein before.
  • the benefits of the invention are visually assessed.
  • the methods of assessment are comparative and thus only one treated fabric respective to another untreated may be tested at any one time.
  • Citric acid Anhydrous citric acid
  • Example 1 Using the test method defined above, fabrics were contacted with various polyhydroxyfatty acid compounds added during the last rinse and thereafter fabric softness was measured.
  • the polyhydroxyfatty acid compounds that were tested are a C16 polyhydroxyfatty acid compound and a C12 polyhydroxyfatty acid compound.
  • the laundry composition is as follows:

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Abstract

L'invention concerne l'utilisation d'un composé amide à base d'acide gras polyhydroxylé comme composé adoucissant et comme agent capable d'améliorer l'apparence d'un tissu soumis à un blanchissage répété.
PCT/US1998/024690 1997-11-25 1998-11-20 Utilisation d'un compose amide a base d'acide gras polyhydroxyle comme compose adoucissant WO1999027045A1 (fr)

Applications Claiming Priority (2)

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EP97309475.8 1997-11-25
EP97309475A EP0919608A1 (fr) 1997-11-25 1997-11-25 Utilisation d'un composé polyhydroxy-alkyl-amide d'acide gras comme agennet adoucissant

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WO1999027045A1 true WO1999027045A1 (fr) 1999-06-03

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JP2003511572A (ja) * 1999-10-05 2003-03-25 チバ スペシャルティ ケミカルズ ホールディング インコーポレーテッド 布地柔軟剤組成物
EP3670495A1 (fr) * 2018-12-21 2020-06-24 Clariant International Ltd Tensioactifs à base de glucamide

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EP0380406A2 (fr) * 1989-01-25 1990-08-01 Colgate-Palmolive Company Composition détergente pour matériaux textiles fins avec des esters de sucre comme agents adoucissants et de blanchiment
WO1992022698A1 (fr) * 1991-06-18 1992-12-23 Henkel Kommanditgesellschaft Auf Aktien Utilisation d'alkylglucosides speciaux comme produits auxiliaires en preconditionnement textile
EP0522206A1 (fr) * 1991-07-08 1993-01-13 The Procter & Gamble Company Compositions détergentes contenant des tensio-actifs d'acide gras polyhydroxylé et un système adoucissant à base d'argile
US5500137A (en) * 1994-10-20 1996-03-19 The Procter & Gamble Company Fabric softening bar compositions containing fabric softener and enduring perfume
WO1997047716A2 (fr) * 1996-06-14 1997-12-18 Henkel Kommanditgesellschaft Auf Aktien Assouplissant textile aqueux a haut potentiel zeta

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3637495A (en) * 1966-08-01 1972-01-25 Henkel & Cie Gmbh Agent for the posttreatment of laundry
GB1244505A (en) * 1967-08-14 1971-09-02 Henkel & Cie Gmbh Compositions for the after-treatment of laundered materials
US3654166A (en) * 1967-08-14 1972-04-04 Henkel & Cie Gmbh Detergent compositions
EP0380406A2 (fr) * 1989-01-25 1990-08-01 Colgate-Palmolive Company Composition détergente pour matériaux textiles fins avec des esters de sucre comme agents adoucissants et de blanchiment
WO1992022698A1 (fr) * 1991-06-18 1992-12-23 Henkel Kommanditgesellschaft Auf Aktien Utilisation d'alkylglucosides speciaux comme produits auxiliaires en preconditionnement textile
EP0522206A1 (fr) * 1991-07-08 1993-01-13 The Procter & Gamble Company Compositions détergentes contenant des tensio-actifs d'acide gras polyhydroxylé et un système adoucissant à base d'argile
US5500137A (en) * 1994-10-20 1996-03-19 The Procter & Gamble Company Fabric softening bar compositions containing fabric softener and enduring perfume
WO1997047716A2 (fr) * 1996-06-14 1997-12-18 Henkel Kommanditgesellschaft Auf Aktien Assouplissant textile aqueux a haut potentiel zeta

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