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WO2005014767A1 - Compositions de conditionnement de textiles - Google Patents

Compositions de conditionnement de textiles Download PDF

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Publication number
WO2005014767A1
WO2005014767A1 PCT/EP2004/007305 EP2004007305W WO2005014767A1 WO 2005014767 A1 WO2005014767 A1 WO 2005014767A1 EP 2004007305 W EP2004007305 W EP 2004007305W WO 2005014767 A1 WO2005014767 A1 WO 2005014767A1
Authority
WO
WIPO (PCT)
Prior art keywords
phase
fabric softening
composition according
softening composition
nonionic surfactant
Prior art date
Application number
PCT/EP2004/007305
Other languages
English (en)
Inventor
Mansur Sultan Mohammadi
Janice Elaine Wright
Original Assignee
Unilever Plc
Unilever Nv
Hindustan Lever Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Unilever Plc, Unilever Nv, Hindustan Lever Limited filed Critical Unilever Plc
Priority to EP04740643A priority Critical patent/EP1654345B1/fr
Priority to AT04740643T priority patent/ATE480614T1/de
Priority to CA2533809A priority patent/CA2533809C/fr
Priority to BRPI0413138-0A priority patent/BRPI0413138B1/pt
Priority to MXPA06001261A priority patent/MXPA06001261A/es
Priority to DE602004029056T priority patent/DE602004029056D1/de
Priority to PL04740643T priority patent/PL1654345T3/pl
Publication of WO2005014767A1 publication Critical patent/WO2005014767A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/835—Mixtures of non-ionic with cationic compounds
    • 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
    • C11D11/00—Special methods for preparing compositions containing mixtures of detergents
    • C11D11/0094—Process for making liquid detergent compositions, e.g. slurries, pastes or gels
    • 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
    • C11D3/0015—Softening compositions liquid
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/22—Carbohydrates or derivatives thereof
    • C11D3/222—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin
    • C11D3/225—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin etherified, e.g. CMC
    • 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
    • C11D1/62—Quaternary ammonium compounds

Definitions

  • the present invention relates to fabric conditioning compositions. More specifically, the invention relates to thick and creamy fabric softening compositions comprising a softener of low phase volume and an associative thickener.
  • liquid fabric conditioning compositions that soften treated fabric, i.e. liquid fabric softeners.
  • Such compositions are typically added to fabric in the rinse cycle of the wash process.
  • Consumer preference is for liquid fabric softeners that are thick and creamy; however, attaining this goal can lead to problems, particularly with regard to the dispensing and storage stability of the composition.
  • thick and creamy liquid softeners dispense poorly; this can lead to wasted product and, when used in automatic washing machines, messy residues being left the dispenser draw of the machine.
  • a further problem associated with thick and creamy fabric softeners is poor storage stability, the desirable rheological properties of the composition being lost upon storage.
  • a particularly common rheological problem is product thickening on storage, especially at elevated temperature or low temperature.
  • EP 331,237 discloses liquid fabric softeners comprising thickening polymers that act as associative thickeners.
  • this publication does not disclose compositions comprising 5% or greater of cationic softening agent having a phase structure adjusted by nonionic surfactant and having a phase volume of less than 0.75, nor does it suggest the benefits that such micro- structure can lead to in liquid softeners comprising cationic softening agent and associative thickener ⁇ vide infra) .
  • liquid fabric softeners comprising a cationic softening agent and a nonionic surfactant, an example being EP 523,922 Bl (Unilever, 1992).
  • WO 03/012019 (Unilever, 2002) also discloses associative thickener as an optional component; however, compositions comprising 5% or greater of cationic softening agent having a phase volume of less than 0.75 are not disclosed nor envisaged.
  • WO 01/46360 (Unilever, 2000) discloses liquid fabric softeners comprising a cationic softening agent, a nonionic surfactant and an optional associative thickener; however, this publication is also silent regarding systems comprising 5% or greater of cationic softening agent that have a phase volume of less than 0.75.
  • a liquid fabric softening composition comprising: i) . an aqueous continuous phase; ii) . a disperse phase comprising a cationic softening agent; iii) . a nonionic surfactant; and iv) . an associative thickener, wherein the disperse phase has a phase volume of 0.75 or less and the cationic softening agent comprises 5% or greater by weight of the total composition.
  • a method for the treatment of fabrics comprising contacting fabrics with a liquid fabric softening composition according to the first aspect of the invention or any of the particular variants thereof disclosed in the following description.
  • a method for the manufacture of a liquid fabric softening composition comprising the steps of dispersing a cationic softening agent and a nonionic surfactant in an aqueous continuous phase, reducing the phase volume of the disperse phase, and using an associative thickener to thicken the composition, wherein the disperse phase is reduced to a phase volume of 0.75 or less and the cationic softening agent comprises 5% or greater of the total composition.
  • compositions of the invention are highly effective fabric softeners, having 5% or greater by weight of cationic softening agent present. They appear thick and creamy and yet have surprisingly good storage stability and dispensing efficiency, leaving little or no residue in the conditioner portion of the dispenser draw of a conventional automatic washing machine. It is believed that the combination of a disperse phase comprising 5% or greater cationic softening agent and a phase volume of 0.75 or less, an associative thickener, and a non-ionic surfactant leads to a product micro-structure that enables the above benefits to be attained.
  • the product micro-structure is believed to comprise dispersed fragments of cationic softening agent, generally in lamellar phase, stabilised by nonionic surfactant and linked together, under low shear conditions (for example, at shear rates of from 2 to 20 /s) , by the associative thickener.
  • compositions of the invention relate to their rheological properties.
  • the viscosity of the composition is preferably from 200 to 450 mPa.s.
  • the composition may have a viscosity as high as from 600 to 1100 mPa.s and yet still dispense efficiently.
  • the composition will generally have a lower viscosity - at 106 /s it is preferred that the viscosity is from 90 to 200 mPa.s.
  • the infinite shear rate viscosity may then be used to obtain a value for the phase volume (0) of a disperse phase within a composition as a whole by using a Kreigher-Dougherty equation:
  • ⁇ ⁇ c (l - 0/0«) "2
  • ⁇ c the viscosity of the continuous phase and 0 m is the maximum volume fraction; the values of both of these terms can be equated to unity for the aqueous based liquid compositions of the present invention.
  • the phase volume of the disperse phase may be thought of as the volume of the total composition occupied by the disperse phase at infinite shear rate.
  • the compositions of the present invention have a phase volume of 0.75 or less. Only at such low phase volumes can the desired efficiency of dispensing be attained.
  • the phase volume is preferably 0.70 or less.
  • Fabric softening compositions comprising 5% or greater of cationic softening agent do not generally have such low phase volumes, unless induced by processing and/or the additives.
  • the cationic softening agent The cationic softening agent
  • the cationic softening agent is typically a quaternary ammonium compound ("QAC”) , in particular one having two QACs.
  • C- L2 - 28 groups connected to the nitrogen head group that may independently be alkyl or alkenyl groups, preferably being connected to the nitrogen head group by at least one ester link, and more preferably by two ester links.
  • the average chain length of the alkyl and/or alkenyl groups is preferably at least C 14 and more preferably at least C Q . It is particularly preferred that at least half of the groups have a chain length of Ci ⁇ - In general, the alkyl and/or alkenyl groups are predominantly linear.
  • a first group of QACs suitable for use in the present invention is represented by formula (I) : I R 1 -N + -[(CH 2 )n(OH)] 3 -m X " (I)
  • each R is independently selected from a 0 5 - 35 alkyl or alkenyl group; R represents a C 1 - 4 alkyl, C 2 - 4 alkenyl or a C ⁇ - 4 hydroxyalkyl group; T is generally O-CO. (i.e. an ester group bound to R via its carbon atom) , but may alternatively be CO.O (i.e. an ester group bound to R via its oxygen atom); n is a number selected from 1 to 4; is a number selected from 1, 2, or 3; and X is an anionic counter-ion, such as a halide or alkyl sulphate, e.g. chloride or ethylsulphate.
  • Di-esters variants of formula I are preferred and typically have mono- and tri- ester analogues associated with them. Such materials are particularly suitable for use in the present invention. Especially preferred agents are di-esters of triethanolammonium methylsulphate, otherwise referred to as "TEA ester quats.”.
  • the second group of QACs suitable for use in the invention is represented by formula (II) :
  • each R group is independently selected from C ⁇ _ 4 alkyl, hydroxyalkyl or C 2 - 4 alkenyl groups; and wherein each 2 R group is independently selected from C 8 - 28 alkyl or alkenyl groups; and wherein n, T, and X are as defined above.
  • Preferred materials of this second group include 1,2 bis [tallowoyloxy] -3-trimethylammonium propane chloride, 1,2 bis [hardened tallowoyloxy] -3-trimethylammonium propane chloride, 1, 2- s[oleoyloxy] -3-trimethylammonium propane chloride, and 1,2 .bis [stearoyloxy] -3-trimethylammonium propane chloride.
  • these materials are described in US 4,137,180 (Lever Brothers).
  • these materials also comprise an amount of the corresponding mono-ester.
  • a third group of QACs suitable for use in the invention is represented by formula (III) :
  • each R group is independently selected from C ⁇ _ 2 alkyl, or C 2 - 4 alkenyl groups; and wherein each R group is independently selected from C8-28 alkyl or alkenyl groups; and n, T, and X are as defined above.
  • Preferred materials of this third group include bis (2-tallowoyloxyethyl) dimethyl ammonium chloride and hardened versions thereof.
  • a fourth group of QACs suitable for use in the invention is represented by formula (IV) :
  • each R group is independently selected from C]__4 2 alkyl, or C -4 alkenyl groups; and wherein each R group is independently selected from C8-28 alkyl or alkenyl groups; and X is as defined above.
  • Preferred materials of this fourth group include di (hardened tallow) dimethylammonium chloride.
  • the iodine value of the softening agent is preferably from 0 to 20, more preferably from 0 to 4, and most preferably from 0 to 2.
  • Essentially saturated material i.e. having an iodine value of from 0 to 1, is used in especially high performing compositions. At low iodine values, the softening performance is excellent and the composition has improved resistance to oxidation and associated odour problems upon storage. To optimise the properties of compositions having agents of low iodine value, it is preferred that the level and nature of the nonionic surfactant are carefully selected ( vide infra) .
  • Iodine value is defined as the number of grams of iodine absorbed per 100 g of test material. NMR spectroscopy is a suitable technique for determining the iodine value of the softening agents of the present invention, using the method described in Anal . Chem. , 34, 1136 (1962) by Johnson and Shoolery and in EP 593,542 (Unilever, 1993).
  • the softening agent is present in the compositions of the invention at a level of 5% or greater by weight of the total composition. For even greater softening effect, this level may be 8% or greater; whilst for particularly high performance, this level may be 11% or greater. At these higher concentrations, which are also desirable for supply chain and environmental reasons, the low dispenser residues found with the compositions of the present invention is particularly relevant and unexpected.
  • the amount of softening agent is generally 50% or less, particularly 40% or less, and especially 30% or less by weight of the total composition.
  • the nonionic surfactant is nonionic surfactant
  • Suitable nonionic surfactants include alkoxylated materials, particularly addition products of ethylene oxide and/or propylene oxide with fatty alcohols, fatty acids and fatty amines .
  • R is a hydrophobic moiety, typically being an alkyl or alkenyl group, said group being linear or branched, primary or secondary, and preferably having from 8 to 25, more preferably 10 to 20, and most preferably 10 to 18 carbon atoms; R may also be an aromatic group, such as a phenolic group, substituted by an alkyl or alkenyl group as described above; Y is a linking group, typically being 0, CO.O, or 1 1
  • the nonionic surfactant has an HLB of from 7 to 20, more preferably from 10 to 20, and most preferably from 15 to 20.
  • nonionic surfactants include the ethoxylates of mixed natural or synthetic alcohols in the "coco” or "tallow” chain length.
  • Preferred materials are condensation products of coconut fatty alcohol with 15-20 moles of ethylene oxide and condensation products of tallow fatty alcohol with 10-20 moles of ethylene oxide.
  • ethoxylates of secondary alcohols such as 3-hexadecanol, 2-octadecanol, 4-eicosanol, and 5-eicosanol may also be used.
  • exemplary ethoxylated secondary alcohols have formulae C ⁇ 2 -EO(20); C ⁇ -EO(20); C ⁇ 4 -EO(25); and Ci 6 -EO(30).
  • Polyol-based nonionic surfactants may also be used, examples including sucrose esters (such as sucrose monooleate) , alkyl polyglucosides (such as stearyl monoglucoside and stearyl triglucoside) , and alkyl polyglycerols .
  • nonionic surfactant may be useful in the present compositions alone or in combination with other nonionic surfactants.
  • the preferred amounts of nonionic surfactant indicated below refer to the total amount of such materials that are present in the composition.
  • the nonionic surfactant is present in an amount from 0.05 to 10%, more preferably 0.1 to 5%, and most preferably 0.35 to 3.5%, based on the total weight of the composition.
  • the softening agent has an iodine value from 0 to 20, particularly from 0 to 4 and especially from 0 to 2, it is preferred that nonionic surfactant having an HLB of 15-20 is present at a level of 0.05% or greater, more preferably 0.1% or greater, and most preferably 0.35% or greater, based on the total weight of the composition.
  • An associative thickener is an essential component of the compositions of the invention, serving to promote the desired thick and creamy appearance.
  • Suitable associative thickeners may be selected from hydrophobically modified cellulose ethers, as described in GB 2,043,646 (Hercules) and disclosed in fabric conditioning compositions in EP 331,237 Bl (Unilever).
  • Such materials are typically nonionic polymers and have a sufficient degree of nonionic substitution selected from the class consisting of methyl, hydroxyethyl and hydroxypropyl to cause them to be water- soluble and which are further substituted with one or more hydrocarbon radicals having from 10 to 24 carbon atoms, in an amount from 0.2% by weight to an amount which renders the cellulose ether less than 1% by weight soluble in water.
  • the nonionic cellulose ether that forms the ⁇ backbone' of the hydrophobically modified derivative may be any nonionic water soluble cellulose ether substrate, such as hydroxyethyl cellulose (HEC) , hydroxypropyl cellulose (HPC) , methyl cellulose, hydroxypropyl methyl cellulose, ethyl hydroxyethyl cellulose or methyl hydroxyethyl cellulose.
  • HEC hydroxyethyl cellulose
  • HPC hydroxypropyl cellulose
  • methyl cellulose hydroxypropyl methyl cellulose
  • ethyl hydroxyethyl cellulose methyl hydroxyethyl cellulose
  • methyl hydroxyethyl cellulose methyl hydroxyethyl cellulose
  • Suitable associative thickeners include the Collacral range (ethoxylate urethanes) from BASF, the PureThix range from Sud-Chemie, the Aquaflow range (HM end-capped PEGs) from Aqualon, and the Nexton range (HMHEC) , also from Aqualon.
  • Collacral range ethoxylate urethanes
  • PureThix range from Sud-Chemie
  • Aquaflow range HM end-capped PEGs
  • HMHEC Nexton range
  • Especially preferred associative thickeners are hydrophobically modified cellulose ethers sold under the trade names Natrosol Plus 100, 250, 331, and 430, by Hercules.
  • the molecular weight of the associative thickener is preferably from 1,000 to 1,000,000, more preferably from 50,000 to 500,000 and most preferably from 100,000 to 400,000.
  • the associative thickener is typically used at a level of at least 0.0005%, in particular at from 0.0005 to 2%, and especially at from 0.001 to 0.5% by weight of the total composition.
  • the aqueous continuous phase typically comprises 80% or greater by weight of water; sometimes this figure may rise to 90% or greater, or 95% or greater.
  • the water in the aqueous continuous phase typically comprises 40% or greater by weight of the total formulation; preferably this figure is 60% or greater, more preferably it is 70% or greater.
  • the aqueous continuous phase may also comprise water-soluble species, such as mineral salts or short chain (C 1 - 4 ) alcohols.
  • the mineral salts may aid the attainment of the required phase volume for the composition, as may water soluble organic salts and cationic deflocculating polymers, as described in EP 41,698 A2 (Unilever).
  • Such salts may be present at from 0.001 to 1% and preferably at from 0.005 to 0.1% by weight of the total composition.
  • suitable mineral salts for this purpose include calcium chloride and magnesium chloride.
  • Short chain alcohols that may be present include primary alcohols, such as ethanol, propanol, and butanol, secondary alcohols such as isopropanol, and polyhydric alcohols such as propylene glycol and glycerol. The short chain alcohol may be added with cationic softening agent during the preparation of the composition.
  • a highly preferred additional component in the compositions of the present invention is a fatty complexing agent.
  • Such agents typically have a Cs to C 22 hydrocarbyl chain present as part of their molecular structure.
  • Suitable fatty complexing agents include Cg to C 22 fatty alcohols and Cs to C 22 fatty acids; of these, the C ⁇ to C 22 fatty alcohols are most preferred.
  • a fatty complexing agent is particularly valuable in compositions comprising a QAC having a single
  • C 12 - 28 group connected to the nitrogen head group such as mono-ester associated with a TEA ester quat . or a softening agent of formula II.
  • the complexing agent may bind to the single chain QAC described above in preference to the nonionic surfactant and thereby free the nonionic surfactant to stabilise the disperse phase and help reduce its phase volume.
  • Complexing the single chain QAC may also aid the rheological stability of the composition in another manner; the presence of such single chain QACs, particular when present at levels of 10 mole% or greater of the total QAC, can lead to depletion flocculation - addition of a complexing agent has the effect of reducing their free concentration, thereby reducing or eliminating this problem.
  • Enhanced softening performance may also result from the presence of the complex formed between the single chain QAC and the complexing agent.
  • Preferred fatty acid complexing agents include hardened tallow fatty acid (available as Pristerene, ex Uniqema) .
  • Preferred fatty alcohol complexing agents include hardened tallow alcohol (available as Stenol and Hydrenol, ex Cognis, and Laurex CS, ex Albright and Wilson) and behenyl alcohol, a C 22 fatty alcohol, available as Lanette 22, ex Henkel.
  • the fatty complexing agent may be used at from 0.1% to 10%, particularly at from 0.5% to 5%, and especially at from 0.75 to 2% by weight, based on the total weight of the composition.
  • the mole ratio of the fatty complexing agent to said single chain QAC is preferably from 1:3 to 3:1, more preferably 1:2 to 2:1, and most preferably 2:3 to 3:2.
  • compositions of the invention typically comprise one or more perfumes.
  • the perfume is preferably present in an amount from 0.01 to 10% by weight, more preferably 0.05 to 5% by weight, most preferably 0.5 to 4.0% by weight, based on the total weight of the composition.
  • Co-softeners may be used together with the cationic softening agent. When employed, they are typically present at from 0.1 to 20% and particularly at from 0.5 to 10%, based on the total weight of the composition.
  • Preferred co- softeners include fatty esters, and fatty N-oxides.
  • Fatty esters that may be employed include fatty monoesters, such as glycerol monostearate, fatty sugar esters, such as those disclosed WO 01/46361 (Unilever) .
  • compositions of the invention may contain one or more other ingredients.
  • ingredients include preservatives (e.g. bactericides) , pH buffering agents, perfume carriers, - 1.
  • fluorescers fluorescers, colourants, hydrotropes, antifoaming agents, anti-redeposition agents, soil-release agents, polyelectrolytes, enzymes, optical brightening agents, anti- shrinking agents, anti-wrinkle agents, anti-spotting agents, anti-oxidants, sunscreens, anti-corrosion agents, drape imparting agents, anti-s.tatic agents, ironing aids and dyes.
  • a particularly preferred optional ingredient is an opacifier or pearlescer.
  • Such ingredients can serve to augment the creamy appearance of the compositions of the invention.
  • Suitable materials may be selected from the Aqusol 0P30X range (ex Rohm and Haas) , the PuriColour White range (ex Ciba) and the LameSoft TM range (ex Cognis) . Such materials are typically used at a level of from 0.01 to 1% by weight of the total composition.
  • compositions of the present invention are preferably rinse conditioner compositions and may be used in the rinse cycle of a domestic laundry process.
  • the composition is preferably used in the rinse cycle of a home textile laundering operation, where, it may be added directly in an undiluted state to a washing machine, e.g. through a dispenser drawer or, for a top-loading washing machine, directly into the drum. Alternatively, it can be diluted prior to use.
  • the compositions may also be used in a domestic hand-washing laundry operation. It is also possible, though less desirable, for the compositions of the present invention to be used in industrial laundry operations, e.g. as a finishing agent for softening new clothes prior to sale to consumers.
  • Formulations according to the invention may be prepared by the method of manufacture described as the third aspect of the invention.
  • the dispersing of the cationic softening agent and nonionic surfactant in the aqueous continuous phase may involve dissolution of at least some of the nonionic surfactant in the aqueous continuous phase.
  • the required reduction in the phase volume of the disperse phase may be brought about by any of the means known in the art.
  • Such means may comprise the addition of an electrolyte, such as a mineral salt, and/or milling of the formulation. Milling of the formulation, when employed, is typically performed until 50% or greater, in particular 100% or greater and especially 150% or greater of the batch volume has passed through the mill .
  • the cationic softening agent, nonionic surfactant, and any optional hydrophobic components such co-softener are heated together until a co- melt is formed.
  • Water is heated and the co-melt is added to the water with stirring.
  • the phase volume of the disperse phase is reduced by the addition of an electrolyte and/or by milling, preferably whilst the mixture is still hot.
  • milling is carried above the L ⁇ -L ⁇ phase transition temperature.
  • the mixture is then thickened by the addition of associative thickener, typically added as an aqueous solution of concentration from 1 to 2% by weight, and is then allowed to cool.
  • Examples of the invention are represented by a number. Comparative examples are represented by a letter.
  • the base formulation indicated in Table 1 was prepared by methods standard in the art.
  • the phase volume of the core formulation was then reduced to the levels indicated in Table 2 by shearing the formulation for the number of batch volumes (BV) indicated.
  • Phase volumes were determined by measuring the viscosity at a range of shear rates, using these data to calculate the infinite shear rate viscosity via the Sisco model and then using using the Kreigher- Dougherty equation to get a value for the phase volume from the infinite shear rate viscosity so calculated ( vide supra ) .
  • Associative thickener (Natrosol Plus 331, ex Hercules) was added to Example E to give Example 1.
  • the sensitivity of the dispensing efficiency to the phase volume is clear from the dispenser residue figures indicated in Table 2. These figures were obtained on use of the indicated formulation in a conventional Miele Novotronic automatic washing machine. These figures indicate that by using a suitable formulation of low phase volume, it is possible to add the associative thickener without major detrimental effect upon the dispensing.
  • the addition of the associative thickener gave a formulation of thick and creamy appearance (viscosity 245 mPa.s at 20 /s, in comparison with a value of 71 mPa.s, at the same shear, rate for example E) .
  • Example F (Table 3) was prepared in a similar manner to that used for examples A to E, using 13% of the TEA quat., 0.6% of the nonionic surfactant, 0.6% of the fatty alcohol, and 0.75% of perfume. Calcium chloride and associative thickener were then added to give Examples 2 and 3, as shown in Table 3.
  • the Table also shows the phase volumes for the samples and the dispenser residues resulting from their use in a conventional Miele Novotronic automatic washing machine. Examples 2 and 3 each had a thick and creamy appearance (viscosities at 20 /s of 232 mPa.s and 197 mPa.s, respectively) and yet both gave low dispenser residues, in comparison with Example F. Table 3

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Abstract

L'invention porte sur un adoucisseur liquide pour textiles comprenant: (i) une phase aqueuse continue, (ii) une phase dispersée consistant en un agent adoucisseur cationique, (iii) un tensio-actif non ionique, et (iv) un épaississeur associant. La phase dispersée présente un volume de phase de 0,75 % ou moins et l'agent adoucisseur cationique, 5 % ou plus du poids total de la composition.
PCT/EP2004/007305 2003-08-02 2004-07-05 Compositions de conditionnement de textiles WO2005014767A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP04740643A EP1654345B1 (fr) 2003-08-02 2004-07-05 Compositions de conditionnement de textiles
AT04740643T ATE480614T1 (de) 2003-08-02 2004-07-05 Wäscheweichspüler
CA2533809A CA2533809C (fr) 2003-08-02 2004-07-05 Compositions de conditionnement de textiles
BRPI0413138-0A BRPI0413138B1 (pt) 2003-08-02 2004-07-05 Composição líquida amaciante para tecidos
MXPA06001261A MXPA06001261A (es) 2003-08-02 2004-07-05 Composiciones acondiconadoras de telas.
DE602004029056T DE602004029056D1 (de) 2003-08-02 2004-07-05 Wäscheweichspüler
PL04740643T PL1654345T3 (pl) 2003-08-02 2004-07-05 Kompozycja do kondycjonowania tkanin

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0318154.2A GB0318154D0 (en) 2003-08-02 2003-08-02 Fabric conditioning compositions
GB0318154.2 2003-08-02

Publications (1)

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WO2005014767A1 true WO2005014767A1 (fr) 2005-02-17

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PCT/EP2004/007305 WO2005014767A1 (fr) 2003-08-02 2004-07-05 Compositions de conditionnement de textiles

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US (1) US20050026808A1 (fr)
EP (1) EP1654345B1 (fr)
CN (1) CN100422298C (fr)
AR (1) AR045171A1 (fr)
AT (1) ATE480614T1 (fr)
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DE (1) DE602004029056D1 (fr)
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GB (1) GB0318154D0 (fr)
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PL (1) PL1654345T3 (fr)
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WO2006094580A1 (fr) * 2005-03-04 2006-09-14 Unilever Plc Composition d’adoucissant pour tissus
US7718597B2 (en) 2005-03-04 2010-05-18 The Sun Products Corporation Fabric softening composition

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GB0425181D0 (en) * 2004-11-15 2004-12-15 Unilever Plc Fabric treatment composition
MX2011001697A (es) 2008-08-15 2011-03-04 Procter & Gamble Composiciones beneficas que comprenden esteres de poliglicerol.
US20230287303A1 (en) * 2020-07-31 2023-09-14 Colgate-Palmolive Company Fabric Softening Compositions

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EP0331237A2 (fr) * 1988-03-01 1989-09-06 Unilever N.V. Composition adoucissante pour le linge
WO1995027769A1 (fr) * 1994-04-07 1995-10-19 Unilever Plc Composition assouplissante pour textiles
US6020304A (en) * 1996-04-01 2000-02-01 The Procter & Gamble Company Fabric softener compositions
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US20030114339A1 (en) * 2001-09-10 2003-06-19 Unilever Home & Personal Care Usa, Division Of Conopco, Inc. Fabric conditioning compositions

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EP0041698A2 (fr) 1980-06-10 1981-12-16 Taprogge Gesellschaft mbH Corps de nettoyage pour le nettoyage interne d'échangeurs de chaleur à tubes
EP0331237A2 (fr) * 1988-03-01 1989-09-06 Unilever N.V. Composition adoucissante pour le linge
WO1995027769A1 (fr) * 1994-04-07 1995-10-19 Unilever Plc Composition assouplissante pour textiles
US6020304A (en) * 1996-04-01 2000-02-01 The Procter & Gamble Company Fabric softener compositions
US20010006937A1 (en) * 1999-12-22 2001-07-05 Charlton Ian David Method for preparing fabric softening compositions
US20030114339A1 (en) * 2001-09-10 2003-06-19 Unilever Home & Personal Care Usa, Division Of Conopco, Inc. Fabric conditioning compositions

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006094580A1 (fr) * 2005-03-04 2006-09-14 Unilever Plc Composition d’adoucissant pour tissus
US7718597B2 (en) 2005-03-04 2010-05-18 The Sun Products Corporation Fabric softening composition
CN101133146B (zh) * 2005-03-04 2012-08-29 荷兰联合利华有限公司 织物柔软组合物

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ATE480614T1 (de) 2010-09-15
US20050026808A1 (en) 2005-02-03
EP1654345B1 (fr) 2010-09-08
PL1654345T3 (pl) 2011-03-31
EP1654345A1 (fr) 2006-05-10
CN1860213A (zh) 2006-11-08
CA2533809A1 (fr) 2005-02-17
DE602004029056D1 (de) 2010-10-21
BRPI0413138B1 (pt) 2015-06-09
CN100422298C (zh) 2008-10-01
ES2349638T3 (es) 2011-01-07
ZA200600871B (en) 2007-06-27
AR045171A1 (es) 2005-10-19
BRPI0413138A (pt) 2006-10-03
GB0318154D0 (en) 2003-09-03
CA2533809C (fr) 2011-12-06
MXPA06001261A (es) 2006-04-11

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