EP2027238B1 - Articles de soin de tissu à composant de séchage ajouté procurant des avantages en matière de toucher du tissu - Google Patents

Articles de soin de tissu à composant de séchage ajouté procurant des avantages en matière de toucher du tissu Download PDF

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Publication number
EP2027238B1
EP2027238B1 EP07735950.3A EP07735950A EP2027238B1 EP 2027238 B1 EP2027238 B1 EP 2027238B1 EP 07735950 A EP07735950 A EP 07735950A EP 2027238 B1 EP2027238 B1 EP 2027238B1
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EP
European Patent Office
Prior art keywords
perfume
dryer
composition
fabric conditioning
microcapsule
Prior art date
Legal status (The legal status 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 status listed.)
Not-in-force
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EP07735950.3A
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German (de)
English (en)
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EP2027238A1 (fr
Inventor
Terri Anne Beck
Leslie Dawn Waits
George Kavin Morgan, Iii
Renae Dianna Fossum
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Procter and Gamble Co
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Procter and Gamble Co
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Publication of EP2027238A1 publication Critical patent/EP2027238A1/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
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
    • C11D17/041—Compositions releasably affixed on a substrate or incorporated into a dispensing means
    • 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
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
    • C11D17/041—Compositions releasably affixed on a substrate or incorporated into a dispensing means
    • C11D17/047—Arrangements specially adapted for dry cleaning or laundry dryer related applications
    • 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
    • C11D3/50—Perfumes
    • C11D3/502—Protected perfumes
    • C11D3/505—Protected perfumes encapsulated or adsorbed on a carrier, e.g. zeolite or clay
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/005—Compositions containing perfumes; Compositions containing deodorants
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
    • D06M23/02—Processes in which the treating agent is releasably affixed or incorporated into a dispensing means
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
    • D06M23/12—Processes in which the treating agent is incorporated in microcapsules

Definitions

  • the present invention relates to dryer-added articles that comprise microcapsules.
  • a dryer-added fabric conditioning article comprises from about 10 mg to about 100 mg of perfume encapsulated within a perfume microcapsule comprising an aminoplast resin being the reaction product of one or more amine with one or more aldehyde 1 and a formaldehyde scavenger, which is acetoacetamide.
  • the present invention relates, in part, on the surprising discovery that a potentially unique "feel” benefit is imparted to fabric treated with friable perfume microcapsules versus current dryer sheet technology.
  • a potentially unique "feel” benefit is imparted to fabric treated with friable perfume microcapsules versus current dryer sheet technology.
  • Recent testing to understand the performance of dryer sheets containing friable perfume microcapsules resulted in a surprising "feel” on fabric that is noticeably (or uniquely) different from conventional cyclodextrin dryer sheet technology.
  • This unique friable perfume microcapsule imparted "feel” on fabric is a surface lubricity often described by consumers as a silky, slippery type of softness.
  • This silky, slippery softness is distinguished from current BOUNCE® which contains cyclodextrin technology and imparts a softness that is often described as is a somewhat drier, more cottony feel.
  • these silky fabric feel benefits may be attributed to the "ball bearing" effect of the friable microcapsule, or the deposition of perfume by the perfume microcapsule, wherein the perfume acts as a lubricant, or a combination thereof.
  • the EETM is described. Fabric is cut in the shape of a circle and placed between 2 rings. The top ring is weighted and can be varied based on fabric type. A small probe pushes the fabric through the hole in the ring (perpendicular to the fabric surface). The instrument records the force (as voltage) needed to push the fabric through the ring as a function of time. The extraction energy is the area under the voltage-time curve plot.
  • the EETM suggests that it takes less energy to extract cotton terry cloth dried with BOUNCE sheets containing perfume microcapsules ("PMCs") as compares to cloths dried with BOUNCE sheets without PMCs.
  • PMCs perfume microcapsules
  • Table 1 Treatment Extraction Energy Current BOUNCE Outdoor Fresh Dryer Sheet (control) 54 Appleton 1 PMC @ 55mg/sh a 54 Appleton PMC @ 65mg/sh 51 Appleton Beauty PMC @ 75mg/sh 50 Quest 2 PMC @ 65 mg/sh 51 IFF 3 PMC @ 65 mg/sh 50 1 Appleton, melamine formaldehyde microcapsule. 2 Quest International: Wizard Perfume Microcapsules via Reed Pacific, melamine formaldehyde microcapsule. 3 International Flavor & Fragrances: Everlast, melamine formaldehyde microcapsule.
  • mg/sh means the amount of perfume encapsulated by the perfume microcapsule as contained in the dryer sheet as a whole.
  • Figure 1 is a bar graph of the different samples tested by way of the EETM.
  • the dryer sheet comprising higher amounts of perfume encapsulated by the PMC per dryer sheet exhibited values closer to the rinse-added liquid fabric softener DOWNY®.
  • dryer sheet within a preferred range of friable PMC may provide a liquid fabric softener feel via a tumble dryer.
  • microcapsule is used herein the broadest sense and includes the encapsulation of perfume or other materials or actives in small capsules (i.e., microcapsules), typically having a diameter less than 300 microns.
  • microcapsules typically comprise a spherical hollow shell of water insoluble material, typically polymer material, within which the active material, such as perfume, is contained.
  • Microcapsules are described in the following references: US 2003/215417 A1 ; US 2003/216488 A1 ; US 2003/158344 A1 ; US 2003/165692 A1 ; US 2004/071742 A1 ; US 2004/071746 A1 ; US 2004/072719 A1 ; US 2004/072720 A1 ; EP 1,393,706 A1 ; US 2003/203829 A1 ; US 2003/195133 A1 ; US 2004/087477 A1 ; US 2004/0106536 A1 ; US 6,645,479 ; US 6,200,949 ; US 4,882,220 ; US 4,917,920 ; US 4,514,461 ; US RE 32,713 ; US 4,234,627 .
  • Microcapsules may be prepared using a range of conventional methods known to those skilled in the art for making shell capsules, such as Interfacial polymerization, and polycondensation. See e.g., US 3,516,941 , US 4,520,142 , US 4,528,226 , US 4,681,806 , US 4,145,184 ; GB 2,073,132 ; WO 99/17871 ; and MICROENCAPSULATION: Methods and Industrial Applications Edited by Benita and Simon (Marcel Dekker, Inc. 1996). It is recognized; however, that many variations with regard to materials and process steps are possible. Non-limiting examples of materials suitable for making shell of the microcapsule include urea-formaldehyde, melamine-formaldehyde, phenol-formaldehyde, gelatin, polyurethane, polyamides.
  • the shell of the microcapsules comprises an aminoplast resin.
  • a method for forming such shell capsules includes polycondensation.
  • Aminoplast resins are the reaction products of one or more amines with one or more aldehydes, typically formaldehyde.
  • suitable amines include urea, thiourea, melamine and its derivates, benzoguanamine and acetoguanamine and combinations of amines.
  • Suitable cross-linking agents e.g., toluene diisocyanate, divinyl benzene, butanediol diacrylate etc.
  • secondary wall polymers may also be used as appropriate, e.g.
  • the shell of the microcapsules comprises urea-formaldehyde; melamine-formaldehyde; or combinations thereof.
  • microcapsules of the present invention are friable in nature. Friability refers to the propensity of the microcapsules to rupture or break open when subjected to direct external pressures or shear forces.
  • the microcapsules utilized are "friable” if, while attached to fabrics treated therewith, they can be ruptured by the forces encountered when the capsule-containing fabrics are manipulated by being worn or handled (thereby releasing the contents of the capsule).
  • the microcapsules are combinations of friable microcapsules and moisture-activated microcapsules.
  • the shell capsules typically have a mean diameter in the range 1 micrometer to 100 micrometers, alternatively from 5 micrometers to 80 microns, alternatively from 10 micrometers to 75 micrometers, and alternatively between 15 micrometers to 50 micrometers.
  • the particle size distribution can be narrow, broad or multimodal.
  • microcapsules vary in size having a maximum diameter between about 5 microns and about 300 microns, alternatively between about 10 microns and about 200 microns. As the capsule particle size approaches 300 microns, e.g. 250 microns), a reduction in the number of capsules entrained in the fabric may be observed.
  • the capsules utilized in the present invention generally have an average shell thickness ranging from about 0.1 micron to 50 microns, alternatively from about 1 micron to about 10 microns.
  • microcapsules Suppliers of microcapsules may include International Flavors & Fragrances (IFF), Quest International (Quest) via Reed Pacific, and Appleton.
  • An example of a suitable microcapsule for purposes of the present invention includes Perfume Microcapsules (PMCs) from Appleton.
  • PMCs Perfume Microcapsules
  • Other examples may include WIZARD from Reed Pacific, and EVERLAST from IFF.
  • the shell is formed by cross-linking aldehydes and amine functionalities.
  • the encapsulated blooming perfume composition may, in one embodiment, comprise from about 3 to about 300 different perfume ingredients, preferably with minimal modifiers which include viscosity or hydrophobicity modifiers. Typical viscosity modifiers include, but not limited to, silicone oil, gums, and waxes.
  • Typical hydrophobic modifiers include, but not limited to, isopropyl myristate, mineral oil, dipropylenemethyl ether (DPM). Such modifiers may be used at less than 50%, alternatively less than 40%, alternatively less than 30%, alternatively less than 20%, alternatively less than 10%, alternatively less than 5%, alternatively less than 1%, alternatively about 0%, alternatively at least 0.1% but not greater than 50%, by weight of total perfume composition. Without wishing to be bound by theory, the overuse of modifiers reduces the efficiency of the scent experience imparted by the perfume microcapsules of the present invention.
  • DPM dipropylenemethyl ether
  • the friable microcapsules of the present invention are distinguished from moisture-activated microcapsules, such as those capsules comprising of cyclodextrin that burst upon contact with moisture; a wax comprising microcapsule such as those described in U.S. Pat. No. 5,246,603 ; and starch-based microcapsule also described in U.S. Pat. No. 5,246,603 .
  • the PMC encapsulates "blooming" perfume ingredients.
  • blooming perfume ingredients that are useful in the articles of the present invention are given in U.S. Pat. Pub. No. 2005/0192207 A1, published Sep. 1, 2005 , ⁇ 29 - 31.
  • Other perfume ingredients that may be encapsulated by the microcapsules of the present invention include those described in U.S. Pat. Pub. No. 2005/0192207 A1, published Sep. 1, 2005 , ⁇ 36.
  • One aspect of the present invention provides from about 10 mg to about 100 mg of perfume encapsulated by the PMC in a single use dryer sheet.
  • the article comprises from about 40 mg to about 100 mg, or 65 mg to about 100mg, or 70 mg to about 100 mg of perfume encapsulated by the friable PMC of the present invention.
  • Multiple use articles (those articles that can be used more than once in a dryer) will have much more encapsulated PMC; however, these multiple use article will deposit from about 8 mg to about 80mg of perfume encapsulated by PMC to laundry per dryer.
  • An example of a multiple use article include those described in U.S. Pat. Appl. No. 2003/0195130 A1 .
  • dyer sheets comprising friable PMC, deliver about 80% of the PMC to fabric in an unburst form, by weight of unburst PMC contained in the dryer sheet.
  • the amount of actual microcapsules will depend on a number factors, including the perfume loading of the PMC (how much perfume can be encapsulated by the PMC0, the size and type of friable microcapsule, and what the efficiency is the article to deliver friable PMC to fabric during a drying cycle.
  • a dryer sheet is typically about 374.2 cm 2 (58 inches 2 ).
  • One such method includes a solvent extraction approach.
  • the coating of the dryer sheet is extracted from the substrate (e.g., non-woven sheet) with a warm solvent suitable for such extraction, including, but not limited to a solution of isopropanol, hexane, methanol, or combinations thereof. Multiple extractions may be needed.
  • the extract is dried and weighed.
  • the extracted sheet is also weighed. The difference in sheet weight before and after extraction is the coating weight.
  • the extract is filtered to isolate the PMC.
  • the isolated PMC is dried and weighed.
  • the weight of the isolated PMC divided by the weight of the coating mix multiplied by 100 is the % of PMC in the coating mix.
  • gas chromatography / mass spectrometry can confirm the presence and identify perfume encapsulated by the microcapsule. In turn the presence of the microcapsule can be confirmed with the use of scanning electron microscopy. Infrared (IR) may be suitable to identify the composition of the shell of the microcapsule.
  • the perfume microcapsules of the present invention are deposited on to fabric by using the articles of the present invention in an automatic laundry dryer.
  • dryer-added article is used herein in the broadest sense to include any article that is suitable to delivering the perfume microcapsules, and the blooming perfume compositions encapsulated therein, of the present invention to fabric in an automatic laundry drying machine.
  • dryer-added articles examples include those described in U.S. Pat. Nos.: 3,989,63 ; 4,000,340 ; 4,055,248 ; 4,073,996 ; 4,022,938 ; 4,764,289 ; 4,808,086 ; 4,103,047 ; 4,014,432 ; 3,736,66 ; 3,701,202 ;. 3,634,947 ; 3,633,538 ; 3,435,537 ; 6,604,297 ; and 6,787,510 . See also International Patent Publication Nos.: WO 00/27991 ; and WO 00/65141 .
  • the article comprises a substrate.
  • a substrate includes a sheet.
  • the sheet may be chosen from a paper, woven, or non-woven sheet, such as those described in U.S. Pat. No. 3,686,025 .
  • a substrate comprising a sponge is yet another example.
  • An example of a non-woven dryer sheet is one from BBA Fiber Web.
  • a commercially available example of an article comprising a substrate and fabric conditioning composition includes a dryer sheet such as those sold under the trademark BOUNCE.
  • the dryer-added article further comprises a fabric conditioning composition.
  • a "fabric conditioning composition” is herein defined as a composition that imparting one or more fabric care benefits such as softening, anti-static, color protection, etc., to fabrics.
  • the fabric care composition is disposed on the substrate (e.g., such as in a dryer sheet).
  • the article of the present invention comprises a fabric condition composition without a substrate. Examples include dispensing the fabric conditioning composition, along with the perfume microcapsules of the present invention, through a dispenser affixed to the outside surface of the dryer or inside surface of the dryer barrel or inside door, or integral to the dryer itself.
  • the article comprises a dryer-added, multiple use, article that is releasable attached to an inside surface of a dryer, preferably the dryer barrel, more preferably the fin of the dryer barrel.
  • An example of a commercially available dryer bar is the X-STATIC in-dryer fabric softening bar from Ecolab, Inc.
  • the articles of the present invention may comprise a fabric conditioning composition.
  • a fabric conditioning composition may comprises one or more fabric conditioning actives.
  • fabric conditioning actives may include a fabric softening active and/or an antistatic active.
  • the fabric care composition may comprise from at least about 0.001% to about 99.99%, alternatively about1% to about 90%, alternatively from about 10% to about 50%, alternatively from about 15% to about 40% of one or more fabric conditioning actives by weight of the fabric care composition.
  • the dryer-added article may comprise from 1% to 90%, alternatively from about 10% to about 50%, alternatively from about 15% to about 40% of a fabric conditioning composition by weight of the article.
  • the fabric softening actives can be one or a mixture of a quaternary ammonium compound, a tertiary amine and or its salts, an ethoxylated fatty material, a fatty acid, any fatty acid derivative, or a mixture thereof.
  • a quaternary ammonium compound such as sodium bicarbonate
  • a tertiary amine and or its salts such as sodium bicarbonate
  • an ethoxylated fatty material such as a fatty acid, any fatty acid derivative, or a mixture thereof.
  • Examples of fabric softening actives that may be useful in the articles are the compositions described in U.S. Pat. Nos.: 4,103,047 ; 4,237,155 ; 3,686,025 ; 3,849,435 ; 4,073,996 ; and U.S. Pat. Publ. No. 2003/0195130 , ⁇ 14-17.
  • the fabric softening active is chosen from at least one of the following: a quaternary ammonium compound as one described in U.S. Pat. No. 6,787,510 , col. 4, line 12 et seq .; or a tertiary amine, as described in id . at col. 7, line 31 et seq.; or a nonionic softening active, id . at col. 8, line 63 et seq .; or a fatty acid, id . at col.10, line 63 et seq.; or combinations thereof.
  • compositions comprising a formaldehyde 20 scavenger.
  • formaldehyde scavenger is used herein the broadest sense to include any compound that reduces the level of free formaldehyde in a composition of the present invention, provided the formaldehyde scavenger is safe for humans and does not include ammonia, ethylene 23 urea, tryptophan, 5-hydroxytryptophan, hydroxyl amine, hydroxylamine sulfate, barbituric acid.
  • This aspect of the present invention is based, in part, upon the discovery that the use of certain formaldehyde scavengers in fabric care compositions, particularly those fabric care compositions that comprise microcapsules (e.g., PMC), may reduce the level of free formaldehyde in the composition.
  • free formaldehyde may be emitted by the use of certain microcapsules over time.
  • the shell material used to manufacture the shell of the microcapsule may be responsible for the formation of free formaldehyde.
  • these shell materials include melamine-formaldehyde, urea-formaldehyde, phenol-formaldehyde, or other condensation polymers with formaldehyde.
  • formaldehyde based resins such as melamine-formaldehyde or urea-formaldehyde resins are especially attractive for perfume encapsulation due to their wide availability and reasonable cost.
  • these microcapsules may emit formaldehyde. There is a need to minimize the emission or potential emission of free formaldehyde.
  • free formaldehyde means those molecular forms in aqueous solution capable of rapid equilibration with the native molecule, i.e., H 2 CO, in the headspace over the solution. This includes the aqueous native molecule; its hydrated form (methylene glycol; (HOCH 2 OH)); and its polymerized hydrated form (HO(CH 2 O) n H). These are described in detail in a monograph by J.F. Walker (Formaldehyde ACS Monograph Series No. 159 3rd Edition 1964 Reinhold Publishing Corp. ,).
  • Any art-accepted method may be used to determine the amount or moles of free formaldehyde (in the perfume microcapsule composition or in the fabric care composition).
  • Other methods may include the EPA method EPA 8315A , Determination of Carbonyl Compounds by High Performance Liquid Chromatography, and High-Performance Liquid Chromatographic Determination of Free Formaldehyde in Cosmetics Preserved with Dowicil 200, Journal of Chromatography, 502 (1990), pages 193 - 200 .
  • formaldehyde is analyzed by means of room temperature derivatization with 2,4 dinitrophenyl hydrazine (DNPH) prior to a chromatographic separation using Reversed Phase Chromatography with UV/Visible spectrophotometric detection (wavelength setting at 365 nm).
  • Calibration is performed through "External Standard calibration” with reference formaldehyde solution made up from commercially available 36-37% formaldehyde solution.
  • Activity of the formaldehyde standard material can be determined via redox titration.
  • the formaldehyde scavenger is acetoacetamide.
  • Further scavengers may be chosen from: sodium bisulfite, urea, cysteine, cysteamine, lysine, glycine, serine, carnosine, histidine, glutathione, 3,4-diaminobenzoic acid, allantoin, glycouril, anthranilic acid, methyl anthranilate, methyl 4-aminobenzoate, ethyl 26 acetoacetate, acetoacetamide, malonamide, ascorbic acid, 1,3-dihydroxyacetone dimer, biuret, oxamide, benzoguanamine, pyroglutamic acid, pyrogallol, methyl gallate, ethyl gallate, propyl gallate, triethanol amine, succinamide, thiabendazole, benzotriazol, triazole, indoline, sulfanilic acid, oxamide
  • the ketoester or ketoamide is chosen from a ⁇ -ketoester or a ⁇ -ketoamide, respectively.
  • Non-limiting examples include ethyl acetoactamide or methyl acetoacetate ester (Aldrich).
  • Another example includes 16-diketene sizing agents (the diketene can ring open with any alcohol to yield a ketoester) such as those from Hercules.
  • the amount of scavenger in the fabric care composition comprises from about 0.01% to about 0.8%, alternatively from about 0.03% to about 0.4%, alternatively from about 0.065% to about 0.25%, by weight of the fabric conditioning composition. Further details of formaldehyde scavengers are described in U.S. Pat. Appl. Ser. No. 11/351718, filed Feb. 10, 2006 (P&G Case 10301).
  • the fabric conditioning composition may further comprise optional components used in textile treatment compositions including one or more of the following: soil release polymer, antioxidants, colorants, preservatives, optical brighteners, opacifiers, stabilizers such as guar gum and polyethylene glycol, anti-shrinkage agents, anti-wrinkle agents, soil release agents, fabric crisping agents, reductive agents, spotting agents, germicides, fungicides, anti-corrosion agents, antifoam agents, and the like.
  • the fabric conditioning composition is free or substantially free of any one or more of the above-identified optional components.
  • the article of the present invention may be provided as a kit, optionally comprising instructions, wherein preferably the instructions instruct the user to administer the article inside an automatic laundry dryer.
  • Another aspect of the invention provides for a method of treating fabric comprising the step of administering an article of the present invention into an automatic laundry dryer.
  • One aspect of the invention provides for a dryer-added article comprising a perfume microcapsule of the present invention encapsulated more than one type of blooming perfume compositions.
  • one embodiment of the invention provides for an article that comprises both a first microcapsule encapsulating a first blooming perfume composition and a second microcapsule encapsulating a second blooming perfume composition, wherein the first blooming perfume composition is different from the second blooming perfume composition.
  • Another embodiment provides yet a third microcapsule encapsulating a third blooming perfume composition, wherein the third blooming perfume composition is different from the first and second blooming perfume compositions.
  • Example 1 Lab Scale Incorporation of Perfume Microcapsules in a Dryer Sheet Is Described.
  • a fabric conditioning composition is melted at a temperature sufficient for the composition to attain a molten state.
  • a desired amount of perfume microcapsules (PMC) of the present invention is added to the molten fabric conditioning composition and wherein the composition is mixed until a homogenous mixture is obtained.
  • the homogenous mixture is poured onto a heated surface with a temperature that will allow the homogenous mixture to stay in a molten state.
  • the temperature on the heated surface may remain at the desired, elevated level, by heating the surface with, for example, steam.
  • the molten, homogenous mixtures is impregnated or disposed onto a substrate, such as a non-woven sheet (such as in a BOUNCE dryer sheet substrate), at the desired weight amount. Finally; the substrate is removed from the surface to allow fabric conditioning composition mixture to achieve a solid state.
  • a substrate such as a non-woven sheet (such as in a BOUNCE dryer sheet substrate)
  • dryer sheet formulations suitable for use on non-woven dryer sheets include Examples A-C: Ingredients Example A Wt. % Example B Wt. % Example C Wt. % C Salt (a) 28.9 28.9 28.9 KRA (b) 57.8 57.8 57.8 Clay (c) 5.8 5.8 5.8 Neat Perfume A (d) 0.6 0.6 0.6 Perfume Microcapsule (e) (Appleton) with encapsulated blooming perfume composition (f) 6.9 - - Perfume Microcapsule (g) (Quest) with encapsulated blooming perfume composition (f) - 6.9 - Perfume Microcapsule (h) (IFF) with encapsulated blooming perfume composition (f) - - 6.9 Total 100 100 100 100 (a) Dimethyl Stearyl Amine & triple pressed Stearic Acid.
  • Every maximum numerical limitation given throughout this specification includes every lower numerical limitation, as if such lower numerical limitations were expressly written herein. Every minimum numerical limitation given throughout this specification includes every higher numerical limitation, as if such higher numerical limitations were expressly written herein. Every numerical range given throughout this specification includes every narrower numerical range that falls within such broader numerical range, as if such narrower numerical ranges were all expressly written herein.

Claims (10)

  1. Article de conditionnement de tissu ajouté à sec comprenant :
    a) un substrat sous la forme d'une feuille, ledit substrat comprenant :
    i. une composition de conditionnement de tissu, de préférence de 1 % à 90 % en poids dudit article de conditionnement de tissu ajouté à sec de ladite composition de conditionnement de tissu ; et
    ii. un parfum encapsulé dans une microgélule de parfum friable comprenant une résine aminoplaste qui est le produit de réaction d'un ou plusieurs groupes amino avec un ou plusieurs aldéhydes, de préférence de 10 mg à 100 mg dudit parfum ; et dans lequel ledit substrat comprend en outre un piégeur de formaldéhyde, de préférence d'environ 0,01 % à environ 0,8 %
    en poids de ladite composition de conditionnement de tissu dudit piégeur de formaldéhyde, et dans lequel ledit piégeur de formaldéhyde est un acéto-acétamide.
  2. Article de conditionnement de tissu ajouté à sec selon l'une quelconque des revendications précédentes, dans lequel ladite microgélule de parfum friable comprend une résine aminoplaste, ladite résine aminoplaste comprenant de préférence une urée-formaldéhyde ; une mélamine-formaldéhyde ; ou une combinaison de ceux-ci.
  3. Article de conditionnement de tissu ajouté à sec selon l'une quelconque des revendications précédentes, dans lequel ladite microgélule de parfum friable comprend un diamètre moyen allant de 1 micromètre à 100 micromètres.
  4. Article de conditionnement de tissu ajouté à sec selon l'une quelconque des revendications précédentes, dans lequel ladite microgélule de parfum friable comprend un diamètre maximum allant de 5 microns à 300 microns.
  5. Article de conditionnement de tissu ajouté à sec selon l'une quelconque des revendications précédentes, dans lequel ladite microgélule de parfum friable comprend une épaisseur moyenne de coque allant de 0,1 micron à 50 microns.
  6. Article de conditionnement de tissu ajouté à sec selon l'une quelconque des revendications précédentes, dans lequel ladite composition de conditionnement de tissu comprend un ou plusieurs agents actifs de conditionnement de tissu, de préférence de 0,001 % à 99,99 % en poids de ladite composition pour le soin des tissus, d'un ou plusieurs agents actifs de conditionnement de tissu.
  7. Article de conditionnement de tissu ajouté à sec selon l'une quelconque des revendications précédentes, comprenant en outre moins de 50 % en poids dudit parfum, d'un agent modifiant, ledit agent modifiant choisi de préférence dans le groupe constitué d'agents modifiant la viscosité et d'agents modifiant l'hydrophobie.
  8. Article de conditionnement de tissu ajouté à sec selon l'une quelconque des revendications précédentes, dans lequel ledit substrat comprend en outre une microgélule de parfum activée par l'humidité.
  9. Article de conditionnement de tissu ajouté à sec selon l'une quelconque des revendications précédentes, dans lequel ledit parfum comprend :
    a) un premier ingrédient au parfum de fleurs encapsulé dans une première microgélule de parfum friable ;
    b) facultativement, une deuxième composition au parfum de fleurs encapsulée dans une deuxième microgélule de parfum friable, dans lequel ladite première composition au parfum de fleurs est différente de ladite deuxième composition au parfum de fleurs ; et
    c) facultativement, une troisième composition au parfum de fleurs encapsulée dans une troisième microgélule de parfum friable, dans lequel ladite troisième composition au parfum de fleurs est différente de ladite première composition au parfum de fleurs, et dans lequel ladite troisième composition au parfum de fleurs est différente de ladite deuxième composition au parfum de fleurs.
  10. Procédé de traitement d'un tissu comprenant l'étape consistant à administrer un article selon l'une quelconque des revendications précédentes à un sèche-linge automatique.
EP07735950.3A 2006-05-22 2007-05-16 Articles de soin de tissu à composant de séchage ajouté procurant des avantages en matière de toucher du tissu Not-in-force EP2027238B1 (fr)

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US80241006P 2006-05-22 2006-05-22
PCT/IB2007/051886 WO2007135636A1 (fr) 2006-05-22 2007-05-16 Articles de soin de tissu à composant de séchage ajouté procurant des avantages en matière de toucher du tissu

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EP2027238B1 true EP2027238B1 (fr) 2013-11-13

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Publication number Priority date Publication date Assignee Title
WO2010014172A2 (fr) * 2008-07-30 2010-02-04 Appleton Papers Inc. Particule de vectorisation
EP2181692B1 (fr) * 2008-10-27 2016-09-28 Unilever PLC Compositions anti-transpirantes
MX2011004847A (es) 2008-11-07 2011-05-30 Procter & Gamble Agente benefico que contiene particulas de suministro.
US20150284660A1 (en) * 2012-08-21 2015-10-08 Firmenich Sa Method to improve the performance of encapsulated fragrances
EP3068858B2 (fr) 2013-11-11 2020-06-10 Unilever Plc. Traitement de tissus
EP3068860B1 (fr) * 2013-11-11 2019-08-21 International Flavors & Fragrances Inc. Compositions en plusieurs gélules

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WO2007086036A1 (fr) * 2006-01-30 2007-08-02 The Procter & Gamble Company Articles de soin du tissu ajoutés au séchage

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CA1084209A (fr) * 1975-06-12 1980-08-26 The Procter & Gamble Company Articles et methodes de conditionnement de tissus
CA2015736A1 (fr) * 1989-05-11 1990-11-11 Diane G. Schmidt Particules de parfum entrant dans la composition de nettoyeur et de conditionneur
US5246603A (en) * 1991-09-25 1993-09-21 Lever Brothers Company, Division Of Conopco, Inc. Fragrance microcapsules for fabric conditioning
US5425887A (en) * 1993-07-26 1995-06-20 Lever Brothers Company, Division Of Conopco, Inc. Encapsualted perfume in fabric conditioning articles
ES2355477T5 (es) * 2005-09-23 2019-05-24 Takasago Perfumery Co Ltd Cápsulas de núcleo-envuelta que contienen un aceite o un sólido ceroso

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WO2007086036A1 (fr) * 2006-01-30 2007-08-02 The Procter & Gamble Company Articles de soin du tissu ajoutés au séchage

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EP2027238A1 (fr) 2009-02-25
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