US20050192202A1 - Relating to fabric care - Google Patents

Relating to fabric care Download PDF

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Publication number
US20050192202A1
US20050192202A1 US10/450,077 US45007704A US2005192202A1 US 20050192202 A1 US20050192202 A1 US 20050192202A1 US 45007704 A US45007704 A US 45007704A US 2005192202 A1 US2005192202 A1 US 2005192202A1
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United States
Prior art keywords
lubricant
use according
colour
fabric
nonionic
Prior art date
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Abandoned
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US10/450,077
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English (en)
Inventor
Jule Felton
Amanda Johnson
Christopher Jones
John Oakes
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unilever Home and Personal Care USA
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Unilever Home and Personal Care USA
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
Priority claimed from GBGB0030177.0A external-priority patent/GB0030177D0/en
Priority claimed from GB0109142A external-priority patent/GB0109142D0/en
Application filed by Unilever Home and Personal Care USA filed Critical Unilever Home and Personal Care USA
Assigned to UNILEVER HOME & PERSONAL CARE USA, DIVISION OF CONOPCO, INC. reassignment UNILEVER HOME & PERSONAL CARE USA, DIVISION OF CONOPCO, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: FELTON, JULIE, JOHNSON, AMANDA, JONES, CHRISTOPHER CLARKSON, OAKES, JOHN
Publication of US20050192202A1 publication Critical patent/US20050192202A1/en
Abandoned legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3719—Polyamides or polyimides
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/0005—Other compounding ingredients characterised by their effect
    • C11D3/001—Softening compositions
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3723—Polyamines or polyalkyleneimines
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/60—General characteristics of the apparatus with identification means
    • A61M2205/6063—Optical identification systems
    • A61M2205/6072—Bar codes
    • 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
    • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/10—Objects to be cleaned
    • C11D2111/12—Soft surfaces, e.g. textile

Definitions

  • the present invention is concerned with improvements relating to fabric care and in particular to means by which the apparent ageing of clothes can be reduced or retarded.
  • WO 01/53600 (P&G: 2000) relates to fabric dye protection which is specific to denim.
  • denim is a rather unique cloth.
  • the dyed yarn is typically dyed with indigo and has most of the dye located in the outer fibres of the yarn.
  • This form of dyeing is known as ‘ring-dyeing’ and results in a fabric where the dye is easily removed by abrasion during wear: a process known in the art as ‘crocking’.
  • the dye becomes detached from the fabric, particularly on the seat, knees and thighs and is then easily extracted during washing.
  • the characteristic colour loss from denim is thought by some to be a desirable feature. Some may even go so far as to deliberately augment damage to denim goods to make the goods appear ‘older’. Others, (according to the applicants of WO 01/53600) see such colour loss as a problem.
  • WO 01/53600 suggests that this rather specific problem can be overcome by the combined uses of a cationic polymer, a low molecular weight polyamine, crystal growth inhibitor and dye fixing agent to provide protection to denim fabric from dye loss which is primarily due to mechanical loss. This mechanical loss occurs through the normal abrasive destruction of the fabric during wear. The agents proposed to overcome this, apparently bind to the cloth and fix the colour in place and thereby prevent or reduce the appearance of ageing.
  • the degree of agitation and the level of water present vary during the laundry cycle and it is preferable that the lubricant is present in those parts of the cycle which involve low water and/or high agitation.
  • the lubricants which are especially preferred are polymeric materials.
  • a preferred feature of the present invention is that the in-wash protection is achieved by the use of a material which does not adsorb onto the fabrics being washed. It is believed that this avoids adverse effects on the desirable properties of the fabric once it is in the post-wash dry state. For example there is preferably no stiffening of the fabric, no increased tendency for the fabric to attract and retain soils or stains, no reduction in the breathability or water absorbency characteristics of the fabric.
  • the lubricants are species which do not carry a cationic charge.
  • Nonionic and anionic species are preferred. It is believed that anionic materials exhibit better performance due to their tendency to form an extended structure.
  • Preferred lubricants show a reduction of friction on wet cotton.
  • Preferred lubricants in the context of this invention are materials which, when measured using the frictional technique described below and with a solution containing 1 g dm ⁇ 3 of the material, give an I wcl (index of wet cotton lubrication) greater than 15. Preferably this index is greater than 50 more preferably greater than 75.
  • Preferred lubricants exhibit particular viscosity properties.
  • a preferred lubricant in the context of this invention is a material which when dissolved at a concentration of 1 g dm ⁇ 3 in water at 25° C. gives a solution that has a viscosity greater than 0.05 Pa s when measured at a shear rate of 100 s ⁇ 1 .
  • Suitable lubricants include:
  • dextrans preferably with mol wt greater than 50,000 Dalton and preferably greater than 200,000 Dalton.
  • Suitable materials are poly vinyl pyrrolidones with mol wt greater than 100,000 Dalton; polydimethyl siloxanes emulsified in nonionic surfactant; and, dispersions of lightly oxidise polyethylene wax e.g. (Imacol CTM ex Clariant).
  • the lubricant material is presented together with a textile-compatible carrier.
  • the carrier makes up the bulk of a product for use according to the present invention.
  • the textile-compatible carrier may be chosen from soap and non-soap anionic, cationic, nonionic, amphoteric and zwitterionic detergent active compounds, and mixtures thereof.
  • the preferred textile-compatible carriers that can be used are soaps and synthetic non-soap anionic and nonionic surfactant compounds.
  • alkylbenzene sulphonates particularly linear alkylbenzene sulphonates having an alkyl chain length of C 8 -C 15 ; primary and secondary alkyl sulphates, particularly C 8 -C 15 primary alkyl sulphates; alkyl ether sulphates; olefin sulphonates; alkyl xylene sulphonates; dialkyl sulphosuccinates; and fatty acid ester sulphonates.
  • Sodium salts are generally preferred.
  • Nonionic surfactants that may be used include the primary and secondary alcohol ethoxylates, especially the C 8 -C 20 aliphatic alcohols ethoxylated with an average of from 1 to 20 moles of ethylene oxide per mole of alcohol, and more especially the C 10 -C 15 primary and secondary aliphatic alcohols ethoxylated with an average of from 1 to 10 moles of ethylene oxide per mole of alcohol.
  • Non-ethoxylated nonionic surfactants include alkylpolyglycosides, glycerol monoethers, and polyhydroxyamides (glucamide).
  • Cationic surfactants that may be used include quaternary ammonium salts of the general formula R 1 R 2 R 3 R 4 N + X ⁇ wherein the R groups are independently hydrocarbyl chains of C 1 -C 22 length, typically alkyl, hydroxyalkyl or ethoxylated alkyl groups, and X is a solubilising anion (for example, compounds in which R 1 is a C 8 -C 22 alkyl group, preferably a C 8 -C 10 or C 12 -C 14 alkyl group, R 2 is a methyl group, and R 3 and R 4 , which may be the same or different, are methyl or hydroxyethyl groups); and cationic esters (for example, choline esters) and pyridinium salts.
  • R 1 is a C 8 -C 22 alkyl group, preferably a C 8 -C 10 or C 12 -C 14 alkyl group
  • R 2 is a methyl group
  • the total quantity of detergent surfactant in the composition is suitably from 0.1 to 60 wt %, preferably 0.5-55 wt %, more preferably 5-50 wt %.
  • the quantity of anionic surfactant (when present) is in the range of from 1 to 50% by weight of the total composition. More preferably, the quantity of anionic surfactant is in the range of from 3 to 55% by weight, e.g. 5 to 30% by weight.
  • the quantity of nonionic surfactant when present is in the range of from 2 to 25% by weight, more preferably from 5 to 20% by weight.
  • Amphoteric surfactants may also be used, for example amine oxides or betaines.
  • compositions may suitably contain from 10 to 70%, preferably from 15 to 70% by weight, of detergency builder.
  • the quantity of builder is in the range of from 15 to 50% by weight.
  • the detergent composition may contain as builder a crystalline aluminosilicate, preferably an alkali metal alumino-silicate, more preferably a sodium alumino-silicate.
  • the alumino-silicate may generally be incorporated in amounts of from 10 to 70% by weight (anhydrous basis), preferably from 25 to 50%.
  • Alumino-silicates are materials having the general formula: 0.8-1.5 M 2 O Al 2 O 3 . 0.8-6 SiO 2 where M is a monovalent cation, preferably sodium. These materials contain some bound water and are required to have a calcium ion exchange capacity of at least 50 mg CaO/g.
  • the preferred sodium alumino-silicates contain 1.5-3.5 SiO 2 units in the formula above. They can be prepared readily by reaction between sodium silicate and sodium aluminate, as amply described in the literature. Rinse and Conditioner Compositions:
  • compositions according to the invention may be in the form of a rinse composition, such as a fabric conditioner composition.
  • the textile-compatible carrier will be a fabric softening and/or conditioning compound (hereinafter referred to as “fabric softening compound”), which may be a cationic or nonionic compound.
  • the softening and/or conditioning compounds may be water insoluble, non-polymeric, quaternary ammonium compounds.
  • the compounds may be present in amounts of up to 8% by weight (based on the total amount of the composition) in which case the compositions are considered dilute, or at levels from 8% to about 50% by weight, in which case the compositions are considered concentrates.
  • compositions suitable for delivery during the rinse cycle may also be delivered to the fabric in the tumble dryer if used in a suitable form.
  • another suitable product form is a composition (for example, a paste) suitable for coating onto, and delivery from, a substrate e.g. a flexible sheet or sponge or a suitable dispenser (such as a container having apertures therein, for example) during a tumble dryer cycle.
  • Suitable cationic fabric softening compounds are substantially water-insoluble quaternary ammonium materials comprising a single alkyl or alkenyl long chain having an average chain length greater than or equal to C 20 or, more preferably, compounds comprising a polar head group and two alkyl or alkenyl chains having an average chain length greater than or equal to C 14 .
  • the fabric softening compounds have two long chain alkyl or alkenyl chains each having an average chain length greater than or equal to C 16 . Most preferably at least 50% of the long chain alkyl or alkenyl groups have a chain length of C 18 or above. It is preferred if the long chain alkyl or alkenyl groups of the fabric softening compound are predominantly linear.
  • Quaternary ammonium compounds having two long-chain aliphatic groups for example distearyldimethyl ammonium chloride and di (hardened tallow alkyl) dimethyl ammonium chloride, are widely used in commercially available rinse conditioner compositions.
  • Other examples of these cationic compounds are to be found in “Surface-Active Agents and Detergents”, Volumes I and II, by Schwartz, Perry and Berch. Any of the conventional types of such compounds may be used in the compositions of the present invention.
  • the fabric softening compounds are preferably compounds that provide excellent softening, and are characterised by a chain melting L ⁇ to L ⁇ transition temperature greater than 25° C., preferably greater than 35° C., most preferably greater than 45° C. This L ⁇ to L ⁇ transition can be measured by DSC as defined in “Handbook of Lipid Bilayers”, D Marsh, CRC Press, Boca Raton, Fla., 1990 (pages 137 and 337).
  • Substantially water-insoluble fabric softening compounds are defined as fabric softening compounds having a solubility of less than 1 ⁇ 10 ⁇ 3 wt % in demineralised water at 20° C.
  • the fabric softening compounds have a solubility of less than 1 ⁇ 10 ⁇ 4 wt %, more preferably less than 1 ⁇ 10 ⁇ 8 to 1 ⁇ 10 ⁇ 6 wt %.
  • cationic fabric softening compounds that are water-insoluble quaternary ammonium materials having two C 12-22 alkyl or alkenyl groups connected to the molecule via at least one ester link, preferably two ester links.
  • the quaternary ammonium material is biologically biodegradable.
  • Preferred materials of this class such as 1,2-bis (hardened tallowoyloxy)-3-trimethylammonium propane chloride and their methods of preparation are, for example, described in U.S. Pat. No. 4,137,180 (Lever Brothers Co).
  • Preferably these materials comprise small amounts of the corresponding mono-ester as described in U.S. Pat. No. 4,137,180, for example, 1-hardened tallowoyloxy-2-hydroxy-3-trimethylammonium propane chloride.
  • cationic softening agents are alkyl pyridinium salts and substituted imidazoline species. Also useful are primary, secondary and tertiary amines.
  • compositions may alternatively or additionally contain water-soluble cationic fabric softeners, as described in GB 2 039 556B (Unilever).
  • compositions may comprise a cationic fabric softening compound and an oil, for example as disclosed in EP-A-0829531.
  • compositions may alternatively or additionally contain nonionic fabric softening agents such as lanolin and derivatives thereof.
  • Lecithins are also suitable softening compounds.
  • Nonionic softeners include L ⁇ phase forming sugar esters (as described in M Hato et al Langmuir 12, 1659, 1966, (1996)) and related materials such as glycerol mono-stearate or sorbitan esters. Often these materials are used in conjunction with cationic materials to assist deposition (see, for example, GB 2 202 244). Silicones are used in a similar way as a co-softener with a cationic softener in rinse treatments (see, for example, GB 1 549 180).
  • compositions may also suitably contain a nonionic stabilising agent.
  • Suitable nonionic stabilising agents are linear C 8 to C 22 alcohols alkoxylated with 10 to 20 moles of alkylene oxide, C 10 to C 20 alcohols, or mixtures thereof.
  • the nonionic stabilising agent is a linear C 8 to C 22 alcohol alkoxylated with 10 to 20 moles of alkylene oxide.
  • the level of nonionic stabiliser is within the range from 0.1 to 10% by weight, more preferably from 0.5 to 5% by weight, most preferably from 1 to 4% by weight.
  • the mole ratio of the quaternary ammonium compound and/or other cationic softening agent to the nonionic stabilising agent is suitably within the range from 40:1 to about 1:1, preferably within the range from 18:1 to about 3:1.
  • the composition can also contain fatty acids, for example C 8 to C 24 alkyl or alkenyl mono-carboxylic acids or polymers thereof.
  • fatty acids for example C 8 to C 24 alkyl or alkenyl mono-carboxylic acids or polymers thereof.
  • saturated fatty acids are used, in particular hardened tallow C 16 to C 18 fatty acids.
  • the fatty acid is non-saponified, more preferably the fatty acid is free, for example oleic acid, lauric acid or tallow fatty acid.
  • the level of fatty acid material is preferably more than 0.1% by weight, more preferably more than 0.2% by weight.
  • Concentrated compositions may comprise from 0.5 to 20% by weight of fatty acid, more preferably 1% to 10% by weight.
  • the weight ratio of quaternary ammonium material or other cationic softening agent to fatty acid material is preferably from 10:1 to 1:10.
  • the fabric conditioning compositions may include silicones, such as predominantly linear polydialkylsiloxanes, e.g. polydimethylsiloxanes or aminosilicones containing amine-functionalised side chains; amphoteric surfactants; smectite type inorganic clays; zwitterionic quaternary ammonium compounds; and nonionic surfactants.
  • silicones such as predominantly linear polydialkylsiloxanes, e.g. polydimethylsiloxanes or aminosilicones containing amine-functionalised side chains; amphoteric surfactants; smectite type inorganic clays; zwitterionic quaternary ammonium compounds; and nonionic surfactants.
  • the silicone component is a dimethylpolysiloxane with aminoalkyl groups.
  • the fabric conditioning compositions may also include an agent which produces a pearlescent appearance, e.g. an organic pearlising compound such as ethylene glycol distearate, or inorganic pearlising pigments such as microfine mica or titanium dioxide (TiO 2 ) coated mica.
  • an agent which produces a pearlescent appearance e.g. an organic pearlising compound such as ethylene glycol distearate, or inorganic pearlising pigments such as microfine mica or titanium dioxide (TiO 2 ) coated mica.
  • the fabric conditioning compositions may be in the form of emulsions or emulsion precursors thereof.
  • emulsifiers for example, sodium chloride or calcium chloride
  • electrolytes for example, sodium chloride or calcium chloride
  • pH buffering agents for example, sodium chloride or calcium chloride
  • perfumes preferably from 0.1 to 5% by weight
  • Further optional ingredients include one or more of non-aqueous solvent, perfume carriers, fluorescers, colourants, hydrotropes, antifoaming agents, enzymes, optical brightening agents, opacifiers, anti-shrinking agents, anti-wrinkle agents, anti-spotting agents, germicides, fungicides, anti-oxidants, UV absorbers (sunscreens), heavy metal sequestrants, chlorine scavengers, dye fixatives, anti-corrosion agents, drape imparting agents, antistatic agents and ironing aids. This list is not intended to be exhaustive.
  • compositions of the invention may be in the form of a liquid, solid (e.g. powder or tablet), a gel or paste, spray, stick or a foam or mousse.
  • a pre-wash soaking product e.g. powder or tablet
  • a rinse treatment e.g. conditioner or finisher
  • main-wash product e.g. conditioner or finisher
  • the composition may also be applied to a substrate (e.g. a flexible sheet) or used in a dispenser which can be used in the wash cycle or the rinse cycle.
  • Embodiments of the invention which take the form of incorporation and use of lubricants in main wash products are preferred.
  • the product form is generally a powder or other particulate form ranging in size from a granulate to a tablet, or a liquid.
  • Liquids according to the present invention may be structured or isotropic.
  • the fabrics which treated according to the present invention are generally in the form of garments and preferably comprise cellulosic fibres, preferably from 1% to 100% cellulosic fibres (more preferably 5% to 100% cellulosic fibres, most preferably 40% to 100% such as 75% to 100%).
  • the balance comprises other fibres or blends of fibres suitable for use in garments such as polyester or polyamide, for example.
  • the cellulosic fibres are of cotton or regenerated cellulose such as viscose.
  • composition is used as part of a main wash formulation.
  • product will be packaged together with instructions for use in a main wash, in an automatic washing machine.
  • a pair of black cotton jeans were subjected to 10 repeat wash and dry cycles using the 40° C. cotton cycle in a MieleTM front loading automatic washing machine and a 1 hour dry cycle in a MieleTM tumble drier. The jeans were not worn between washes.
  • the subject was seated in front of a computer monitor screen. Below the screen was position a small device which uses an infra red tracking system that, once calibrated, is able to determine in which direction the subject is looking. This can then be transformed to calculate which part of the on-screen image the subject is fixating. This information is recorded for the duration of the experiment so that it is possible to reconstruct the subject's eye movements and, in particular, determine the sequence, location and duration of their fixation at different parts of the on-screen image.
  • Two sets of calibrated colour chips were produced using Adobe PhotoshopTM in a calibrated printing set-up.
  • One set of chips consisted of a number of pairs of chips of uniform colour where the colour differed only in its lightness value. The differences covered a range of values.
  • Six series of chips of different hue were used.
  • the second set of chips consisted of the same series except that this time the lighter of the two chips had the light colour superimposed as a band down the centre of the chip on top of the original colour. The width of the band was such that, at the viewing distance, the spatial frequency was 2 cycles per degree.
  • 24 panellists were asked to put each of the series in the two sets into order of increased fading. Their performance was analysed using a ProbitTM Statistical Analysis which then gave the ‘just noticeable difference’ (JND) value for colour fading perception.
  • JND ‘just noticeable difference’
  • a number of black cotton ‘combat’ style trousers were washed and dried for various numbers of cycles (between 1 and 10) using a number of different wash protocols (different detergent, drying method, ironing or not). The result of these various processes was to arrive at a wardrobe of clothes all showing different amounts of fading.
  • An area 10 cm ⁇ 10 cm on the leg of the garments was identified which contained a double stitched seam showing enhanced colour fading and an area of uniform ‘background’ colour fading.
  • the reflectance spectrum of the background and the seam areas was measured using a Datacolor SpectraflashTM 500 spectrometer.
  • the CIELAB L* values were calculated for the seam and background areas of each garment.
  • the garments were then presented, one at a time to each of 20 different panellists.
  • the garments were presented in such a way that only the 10 ⁇ 10 cm area was visible.
  • the panellists were asked to score the level of fading on a 0 to 100 scale.
  • the average score was calculated for each garment. From the data, two graphs were constructed: a plot of the L* value for the background area of the garment against the panel score; and a plot of the L* value of the seam against the panel score. The correlation coefficient was calculated for each plot.
  • the coefficient of friction between two pieces of white cotton fabric immersed in a solution of the lubricant material was measured using an EldredgeTM tribometer that had been modified to permit the study of submerged materials.
  • the set up consisted of a cylindrical watertight trough, to the bottom of which was affixed a 30 ⁇ 8 cm strip of plain, woven, white, non-mercerised 100% cotton sheeting. Above this was located a piece of similar fabric mounted a round a cylindrical holder 1 cm in diameter and 6 cm in length. This was attached to a pivoted arm which could be driven in such a way that the fabric cylinder was placed in contact with the stationery strip with defined normal load and then driven at a controlled velocity along a 6.5 cm length of the strip. Stain gauges on the arm permitted measurement of the frictional force opposing this motion. From the frictional force and the normal load it is possible to calculate the coefficient of friction ( ⁇ ). This measurement can be made for a range of velocities; but for present purposes it is appropriate to choose a sliding velocity of 6 cm s ⁇ 1 .
  • Example 5 provides a spray dried powder according to the present invention.
  • the composition of the powder is given in Table 4.
  • Table 4 Component % w/w Na PAS 11.5
  • Example 6 provides the formulation of a granulate manufactured according to the present invention by a non-tower route.
  • TABLE 5 Component % w/w Na PAS 13.5 Dobanol 25-7 2.5 STPP 45.3 Na Carbonate 4 Polyacrylamide 2.8 (mol wt 5-6 000 000) Na Silicate 10.1 Minors 1.5 Water Up to 100%
  • Example 6 provides an example of an isotropic laundry liquid according to the present invention.
  • the formulation is given in Table 6: TABLE 6 Component % w/w Na Citrate 10.7 Propylene Glycol 7.5 Ethylene Glycol 4.5 Borax 3 Savinase 16L 0.3 Lipolase 0.1 Dextran (mol wt 800 000) 1.0 Monoethanolamine 0.5 Cocofatty acit 1.7 NaOH (50%) 2.2 LAS 10.3 Dobanol 25-7 6.3 LES 7.6 Minors (adjust pH to 7 white NaOH) 1.3 Water Up to 100%
  • Example 8 provides an example of a structured laundry liquid according to the present invention.
  • the formulation of the product is given in Table 7.
  • Table 7 Component % w/w LAS 16.5
  • Dobanol 25-7 9 Oleic acid (Priolene (6907)) 4.5 Zeolite 15 KOH, neutralisation of 8.5 acids and pH to Citric acid 8.2 Defloculating Polymer 1 Protease 0.38 Lipolase 0.2 Imacol C (ex Clariant) 2.0 Minors 0.4 Water Up to 100%
  • Example 9 provides an example of a further powder formulation.
  • the composition of which is given in Table 8.
  • Table 8 Component % w/w Na LAS 6.3 Nonionic 3EO branched 3.15 Nonionic 7EO branched 4.05 Soap 0.28 sodium tripolyphosphate 23.9
  • Sodiumsilicate 6.31 Tetra acetyl ethylene diamine 2.22 SCMC 0.23

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Detergent Compositions (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Outer Garments And Coats (AREA)
US10/450,077 2000-12-11 2001-12-03 Relating to fabric care Abandoned US20050192202A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GBGB0030177.0A GB0030177D0 (en) 2000-12-11 2000-12-11 Textile care composition
GB0030177.0 2000-12-11
GB0109142.0 2001-04-11
GB0109142A GB0109142D0 (en) 2001-04-11 2001-04-11 Textile care composition
PCT/EP2001/014382 WO2002048305A1 (en) 2000-12-11 2001-12-03 Improvements relating to fabric care

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US20050192202A1 true US20050192202A1 (en) 2005-09-01

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US10/450,076 Expired - Fee Related US7091172B2 (en) 2000-12-11 2001-12-03 Textile laundering composition comprising a self-crosslinking cationic polymer
US10/450,077 Abandoned US20050192202A1 (en) 2000-12-11 2001-12-03 Relating to fabric care

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US10/450,076 Expired - Fee Related US7091172B2 (en) 2000-12-11 2001-12-03 Textile laundering composition comprising a self-crosslinking cationic polymer

Country Status (10)

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US (2) US7091172B2 (de)
EP (2) EP1341889B1 (de)
CN (2) CN100439483C (de)
AT (2) ATE319797T1 (de)
AU (2) AU2002237227A1 (de)
BR (1) BR0116073A (de)
CA (2) CA2429644C (de)
DE (2) DE60124949T2 (de)
ES (2) ES2276851T3 (de)
WO (2) WO2002048303A1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
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US7091172B2 (en) 2006-08-15
ES2276851T3 (es) 2007-07-01
ATE319797T1 (de) 2006-03-15
ATE346904T1 (de) 2006-12-15
WO2002048303A1 (en) 2002-06-20
EP1341889B1 (de) 2006-03-08
CA2429644A1 (en) 2002-06-20
CA2429644C (en) 2010-10-12
ES2260312T3 (es) 2006-11-01
DE60117845D1 (de) 2006-05-04
BR0116073A (pt) 2004-02-17
CN1599790A (zh) 2005-03-23
US20040045093A1 (en) 2004-03-11
CA2429646A1 (en) 2002-06-20
DE60117845T2 (de) 2006-08-24
EP1341889A1 (de) 2003-09-10
AU2002237227A1 (en) 2002-06-24
CN100439483C (zh) 2008-12-03
EP1341890B1 (de) 2006-11-29
DE60124949D1 (de) 2007-01-11
AU2002227997A1 (en) 2002-06-24
EP1341890A1 (de) 2003-09-10
CA2429646C (en) 2011-10-18
DE60124949T2 (de) 2007-03-15
CN1479783A (zh) 2004-03-03

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