EP0842318B1 - Composition pour nettoyage à sec, procédé et kit correspondant - Google Patents

Composition pour nettoyage à sec, procédé et kit correspondant Download PDF

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Publication number
EP0842318B1
EP0842318B1 EP96921691A EP96921691A EP0842318B1 EP 0842318 B1 EP0842318 B1 EP 0842318B1 EP 96921691 A EP96921691 A EP 96921691A EP 96921691 A EP96921691 A EP 96921691A EP 0842318 B1 EP0842318 B1 EP 0842318B1
Authority
EP
European Patent Office
Prior art keywords
cleaning composition
dry cleaning
containment bag
home dry
cleaning
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.)
Expired - Lifetime
Application number
EP96921691A
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German (de)
English (en)
Other versions
EP0842318A4 (fr
EP0842318A2 (fr
Inventor
Michael Richard Tyerech
Tracy Ann Ryan
Anthony Domenic Sidoti
Frank Anthony Lucia, Iii
Jeanne Marie Weller
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.)
Reckitt Benckiser LLC
Original Assignee
Reckitt Benckiser LLC
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 GBGB9512695.9A external-priority patent/GB9512695D0/en
Priority claimed from GBGB9512688.4A external-priority patent/GB9512688D0/en
Priority claimed from GBGB9512687.6A external-priority patent/GB9512687D0/en
Priority claimed from GBGB9604883.0A external-priority patent/GB9604883D0/en
Priority claimed from GBGB9604884.8A external-priority patent/GB9604884D0/en
Priority claimed from GBGB9604880.6A external-priority patent/GB9604880D0/en
Priority claimed from GBGB9604879.8A external-priority patent/GB9604879D0/en
Priority claimed from GBGB9604849.1A external-priority patent/GB9604849D0/en
Priority claimed from GBGB9604828.5A external-priority patent/GB9604828D0/en
Application filed by Reckitt Benckiser LLC filed Critical Reckitt Benckiser LLC
Publication of EP0842318A2 publication Critical patent/EP0842318A2/fr
Publication of EP0842318A4 publication Critical patent/EP0842318A4/fr
Publication of EP0842318B1 publication Critical patent/EP0842318B1/fr
Application granted granted Critical
Anticipated expiration legal-status Critical
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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
    • 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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/86—Mixtures of anionic, cationic, and non-ionic 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
    • 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
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2003—Alcohols; Phenols
    • 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
    • C11D3/2068—Ethers
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F43/00—Dry-cleaning apparatus or methods using volatile solvents
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
    • D06L1/02—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using organic solvents
    • 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
    • C11D1/004—Surface-active compounds containing F
    • 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
    • C11D1/02—Anionic compounds
    • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/123—Sulfonic acids or sulfuric acid esters; Salts thereof derived from carboxylic acids, e.g. sulfosuccinates
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/38—Cationic compounds
    • C11D1/52—Carboxylic amides, alkylolamides or imides or their condensation products with alkylene oxides
    • C11D1/526—Carboxylic amides (R1-CO-NR2R3), where R1, R2 or R3 are polyalkoxylated
    • 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
    • C11D1/72—Ethers of polyoxyalkylene glycols

Definitions

  • the present invention relates to cleaning compositions which are useful in dry-cleaning of textiles and garments. More particularly the present invention relates to cleaning compositions useful in dry-cleaning of textiles and garments in a non-commercial environment, particularly in a domestic environment.
  • the present invention includes among its objects improved processes for the dry cleaning in a domestic environment particularly dry cleaning in a clothes dryer which process includes the step of applying the new and improved formulations to the soiled textile and/or garment and subsequently tumbling said treated textile and/or garment which are contained in a sealable containment bag in a dryer apparatus.
  • the liquid cleaning compositions according to the present invention which are suited for use a home dry cleaning compositions include specific amounts of one or more nonionic surfactants, of which are preferred water soluble nonionic alkoxylated alcohols and alkoxylated phenols many of which are known to the art and available in nonionic surfactant preparations.
  • nonionic surfactants are known to the art, and include one or more alkoxylated phenols, such as ethoxylated phenols, as well as ethoxylated and/or propoxylated alcohols formed by condensation of either an alkyl phenol or an aliphatic alcohol with sufficient ethylene oxide and/or propylene.
  • Such ethoxylated alcohols, propoxylated alchohols and ethoxylated phenols are well known and may be formed by condensation of an alkyl phenol, an aliphatic alcohol, or mixtures thereof, with sufficient ethylene oxide to produce a compound having a polyoxyethylene.
  • the number of ethylene oxide units are present in an amount sufficient to insure solubility of the compound in an aqueous composition of this invention or in any dilution thereof.
  • the ethoxylated alcohols and phenols are produced by condensation of about 4-16 (more preferably 8-13), moles of ethylene oxide with 1 mole of the parent compound (i.e. alkyl phenol or aliphatic alcohol).
  • the number of moles of ethylene oxide which are condensed with one mole of parent compound depends upon the molecular weight of the hydrophobic portion of the condensation product.
  • the parent compounds that may be combined with the ethylene oxide may include one or more of the following:
  • Illustrative examples of these preferred water soluble nonionic ethoxylated phenols and/or ethoxylated alcohols surfactants include one or more of those available under the tradename of NEODOL , presently commercially available from the Shell Oil Company; TERGITOL, presently commercially available from Union Carbide, and POLYTERGENT, presently commercially available from the Olin Chemical Co., and IGEPAL presently commercially available from the Rhône-Poulenc Co.
  • NEODOL 25-3 which is believed to be a linear C 12 -C 15 linear primary alcohol condensed with 3 moles of ethylene oxide per mole of alcohol
  • NEODOL 25-7 which is believed to be a linear C 12 -C 15 linear primary alcohol condensed with 7 moles of ethylene oxide per mole of alcohol
  • NEODOL 25-9 which is believed to be a linear C 12 -C 15 linear primary alcohol condensed with 9 moles of ethylene oxide per mole of alcohol
  • NEODOL 25-12 which is believed to be a linear C 12 -C 15 linear primary alcohol condensed with 12 moles of ethylene oxide per mole of alcohol
  • TERGITOL 15-S-7 believed to be a random secondary C 11 -C 15 alcohol condensed with 7 moles of ethylene oxide per mole of alcohol
  • TERGITOL 15-S-9 believed to be an alkoxypolyethylenoxyethanol which may be represented by the formula C 11-15 H 23
  • Exemplary alkoxylated alkyl phenols include those presently commercially available under the trade name IGEPAL, and which are described to be octyl and nonyl phenols.
  • Specific compositions include: IGEPAL CA-210 which is described as an ethoxylated octyl phenol having an average of 1.5 ethoxy groups groups per molecule, and IGEPAL CA-420 which is described as an ethoxylated octyl phenol having an average of 3 ethoxy groups groups per molecule.
  • nonionic surfactant compositions which may be used include those presently commerically available under the trade name SURFYNOL from Air Products & Chemicals, Inc. (Allentown, PA) and which includes a variety acetylinic diols and acetylinic diols, as well as others.
  • SURFYNOL 61 which is described as being dimethyl hexanol
  • SURFYNOL 104 described to be tetramethyl decynediol
  • SURFYNOL 104A described to be tetramethyl decynediol dissolved in 2-ethylhexanol are very advantageouly used.
  • the nonionic surfactant constituent is an alkoxylated alcohol constituent which even more preferably is one or more ethoxylated primary or secondary alcohols surfactant compositions.
  • nonionic surfactant compositions and in particular the preferred nonionic alkoxylated alcohol constituents are included in the home dry cleaning compositions in an amount ranging from 0.01 to 0.15 weight percent, based on the total weight of the home dry cleaning compositions composition.
  • compositions according to the invention include an anionic surfactant constituent which is selected from alkyl sulfosuccinates, alkyl ether sulfosuccinates, alkylamide sulfosuccinates, alkyl sulfosuccinamates, as well as salt forms thereof.
  • an anionic surfactant constituent which is selected from alkyl sulfosuccinates, alkyl ether sulfosuccinates, alkylamide sulfosuccinates, alkyl sulfosuccinamates, as well as salt forms thereof.
  • the alkyl or acyl radical in these various compounds comprise a carbon chain containing 12 to 20 carbon atoms.
  • anionic surfactants are known to the art and are available from a variety of sources, including materials presently commercially available under the tradename ALKASURF (Rhône-Poulenc Co., Princeton NJ) as well as those presently commerically available under the tradename MONAW
  • these include the following: ALKASURF SS-MA-80, which is described to be a sodium dihexyl sulfosuccinate, ALKASURF SS-NO, which is described to be tetrasodium N-alkyl sulfosuccinamate, ALKASURF SS-O, which is described to be sodium dioctyl sulfosuccinate, ALKASURF SS-OA-HE described to be a disodium oleyl amido polyethyleneglycol-2 sulfosuccinate, ALKASURF SS-TA, disclosed as being sodium N-octadecyl sulfosuccinamate, ALKASURF SS-L7DE, which is described as being a sodium sulfosuccinate ester of lauric diethanolamide, ALKASURF SS-L9ME, which is described as being a sodium sulfosuccinate ester of
  • this anionic surfactant constituent is a single surfactant, or is a mixture of such surfactants, and which is included in the home dry cleaning compositions in an amount ranging from 0.01 to 2.5 weight percent, based on the total weight of the home dry cleaning compositions composition. Most preferably, the anionic surfactant constituent is employed in an amount ranging from 0.01 to about 2.0 weight percent, and most preferably, from 0.01 to 1.0 weight percent.
  • the liquid home dry compositions according to the invention include a fluorosurfactant constituent.
  • a fluorosurfactant constituent improves the wetting of the garments or textiles being treated so to improve the penetration of the liquid home dry compositions.
  • Any of a number of known fluorosurfactant compositions may be used, and desirably those which are low foaming are preferred.
  • Such useful fluorosurfactant compositions are generally contain at least one fluoromoiety. Of course, mixtures of two or more florosurfacants may be used.
  • fluorosurfactant constitutents as known to the art.
  • these include fluorinated and perfluorinated alkyl carboxylates, fluorinated and perfluorinated alkyl alkoxylates, fluorinated alkyl esters, perfluorinated alkyl sulfonates, fluorinated and perfluorinated alkyl quarternary ammonium iodides, fluorinated alkyl polyoxyethyelene alcohols, as well as salt forms thereof, especially ammonium, alkali and alkaline earth metal salts.
  • An exemplary useful fluorosurfactant is that presently commercially available under the tradename FLUORAD which includes among other materials various perfluoroalkyl sulfonates, perfluoroalkyl carboxylates and well as salts thereof, and fluorinated alkyl esters.
  • FLUORAD includes among other materials various perfluoroalkyl sulfonates, perfluoroalkyl carboxylates and well as salts thereof, and fluorinated alkyl esters.
  • FC 170C (3M Company, Minneapolis MN)
  • fluorosurfactants include those presently commercially available under the tradename ZONYL (E.I. DuPont De Nemours & Co., Wilmington DE).
  • the fluorosurfactant constituent When present the fluorosurfactant constituent is present in an amount of up to about 1% by weight, but is desirably present in only minor amounts generally in an amount of up to about 0.01% by weight and even less.
  • the fluorosurfactant composition has been found to be effective in dilutions of from 1 - 5000 ppm (parts per million) based on the total weight of the liquid home dry compositions, and amount of from about 100 - 2500 ppm have been found to be effective.
  • compositions according to the invention include an organic solvent constituent which is selected from water soluble alcohols and or glycol ethers.
  • exemplary water soluble alcohols are desirably a lower alkyl monohydric alcohol including but not limited to straight chained and branched C 1-6 alcohols which are preferred.
  • Such alcohols, per se, are known to the art and are widely commercially available.
  • Any water soluble alcohol, particularly the preferred C 1-6 alcohols may be used and incorporated into the home dry cleaning compositions being taught herein and are desirably selected so to exhibit good aqueous solubility, efficacy as a solvent for the removal of certain stains, and particularly desirably to be volatile so that once applied to the soiled garment or textile, readily volatilize therefrom.
  • the organic solvent constituent of the home dry cleaning compositions taught herein may also be a glycol ether solvent constituent.
  • the glycol ether solvent constituent according to the present invention are water soluble glycol ethers according to the general structure R a -O-R b -OH, wherein R a is an alkoxy of 1 to 20 carbon atoms, or aryloxy of at least 6 carbon atoms, and R b is an ether condensate such as of a propylene glycol and/or ethylene glycol having from one to ten glycol monomer units.
  • R a is an alkoxy of 1 to 20 carbon atoms, or aryloxy of at least 6 carbon atoms
  • R b is an ether condensate such as of a propylene glycol and/or ethylene glycol having from one to ten glycol monomer units.
  • C 3 -C 20 glycol ethers are those having one to five glycol monomer units.
  • particularly preferred solvents include propylene glycol methyl ether, dipropylene glycol methyl ether, tripropylene glycol methyl ether, propylene glycol isobutyl ether, ethylene glycol methyl ether, ethylene glycol ethyl ether, ethylene glycol butyl ether, diethylene glycol phenyl ether, propylene glycol phenol ether, and mixtures thereof.
  • Exemplary glycol ethers which may be very advantageously employed as the solvent constituent is one or more of the solvents of the group consisting of diethylene glycol methyl ether, ethylene glycol n-butyl ether, diethylene glycol n-butyl ether, ethylene glycol hexyl ether, diethylene glycol hexyl ether, and mixtures thereof.
  • These materials are presently commercially available under the tradename DOWANOL from the Dow Chemical Co. (Midland MI); ARCOSOLV from the Atlantic Richfield Co., as well as CARBITOL or CELLOSOLVE, both from Union Carbide Corp. (Danbury CT).
  • the organic solvent constituent may be one or more water soluble alcohols, one or more glycol ether solvent constituents, or mixtures of one or more alcohols and one or more glycol ethers.
  • the organic solvent constituent is generally included in the home dry cleaning compositions in an amount ranging from 1 to 5 weight percent, based on the total weight of the home dry cleaning compositions being taught herein.
  • the organic solvent constituent includes one or more glycol ether solvent constituent is preferably employed in an amount sufficient to sufficiently solubilize the home dry cleaning compositions composition so that it is not overly viscous or gellatious in nature, but rather, exhibits a flow viscosity similar to lower alkyl alcohols or water.
  • the likelihood of forming a composition which has such a viscous or gellatious is minor due to the fact that a substantial proportion of the composition is water, however such a likelihood is possible and is desirably to be avoided, as lower viscosity characteristics are particularly beneficial when the home dry cleaning compositions composition is provided in a package or dispenser which includes a dispensing pump or nozzle.
  • lower viscosity characteristics facilitate the absorption of the home dry cleaning composition amongst the fibers of a textile or garment.
  • the desired low viscosity characteristic may be achieved in part by the careful selection ofone or more glycol ether solvents with particular attention to their solubility characteristics in water, as well as their molecular weights.
  • a formulation within the present invention's scope may have it viscosity lowered by the inclusion of a greater amount of a lower molecular weight glycol ether solvent.
  • care should be taken in the selection of the glycol ether solvents so ensure that good stain solubilization properties, including those normally associated with higher molecular weight glycol ethers by desirably ensuring that they are included in the home dry cleaning compositions as well.
  • the selection of a good glycol ether solvent constituent may be made experimental evaluation techniques familiar to those skilled in the art.
  • the compositions according to the invention are aqueous in nature, as water forms the major constituent.
  • the water it is preferably substantially free of any undesirable impurities such as organics or inorganics, especially minerals salts which are present in hard water which may detract from the operation of the one or more of the essential constituents according to the invention, as well as any other optional components which may be included.
  • Water is added to in sufficient amounts so to provide 100% by weight of the cleaning composition. Desirably, the water forms at least about 90% by weight, and more desirably at least about 92% by weight of the total weight of the home dry cleaning compositions being taught herein.
  • the home dry cleaning compositions according to the invention may comprise one or more of the following optional components, the total weight of such optional constituents not exceeding about 2% by weight of the total weight of the composition, more preferably not exceeding about 1% by weight and is most preferably less than about 1% by weight based on the total weight of the composition.
  • Such optional constituents may be one or more of the following: coloring agents, fragrances (whether natural or synthetically produced), fragrance adjuvants and/or fragrance solubilizers, pH adjusting agents such as acids or bases and especially pH buffers and preservatives.
  • compositions useful as preservatives for the home dry cleaning compositions being taught herein include those marketed under the tradenames KATHON (Rohm & Haas Co., Philadelphia PA), DOWICIL (Dow Chemical Co., Midland MI), BUSAN (Buckman Laboratories, Memphis TN) and DANTOGARD (Lonza Chemical Co., Fairlawn NJ).
  • the present inventive compositions have surprisingly been found by the inventors to be excellent cleaners to perform well as a cleaning composition for use in a domestic dry cleaning process as is to be described in more detail below. This is particularly surprising as water is found to be a major constituent of the composition, and that only minor amount of surfactants and other solvents are present, yet good dry cleaning effects have been observed.
  • the present inventive compositions have also been found by the inventors to leave little, but generally no residues or residual marks on treated garments; residues or rings which have been known to the art and are typically attributed to the surfactants contained in such prior art compositions.
  • the present inventive compositions have also been found to be good general cleaning compositions on a wide variety of textiles, such as wool, cotton, synthetic fibers such as rayon, and silk which is particularly difficult to dry clean.
  • compositions may be simply produced as by mixing measured amounts of individual constituents to form a homogenous mixture therefrom. This may be done by well known techniques, and is desirably done in a simple paddle mixer, stirrer or other low shear liquid mixing apparatus so to avoid undesired foaming of the compositions.
  • a soiled garment is treated by applying an effective amount of the cleaning composition directly to the surface of the garment.
  • the cleaning composition is provided to the consumer in a conventional dispenser such as a spray bottle, squeeze bottle, aerosol, or other dispensing container.
  • a conventional dispenser such as a spray bottle, squeeze bottle, aerosol, or other dispensing container.
  • application of the cleaning composition is possible by the requisite pumping of the spray bottle, alternately squeezing and dispensing the cleaning composition from the squeeze bottle or in a further alternative by spraying from the pressurized aerosol container the cleaning composition.
  • the treated garment is then introduced into the interior of a containment bag.
  • the garment may be introduced singly or can be in conjunction with other articles to which the cleaning composition has been applied in a similar fashion, or in conjunction with other articles which have not been contacted with the cleaning composition according to the invention.
  • the containment bag is sealed so to retain the one or more articles wherein, and then the sealed contaiment bag with its contents are introduced into the interior of a domestic dryer apparatus.
  • localized stains may be cleaned separately by the consumer using a spot cleaning composition prior to the application of the liquid cleaning compositions being taught herein.
  • spot cleaning compositions include those known to the art, and include for example one or more of the compositions referenced in the prior art patents denoted above.
  • a spot cleaning composition may be advantageously employed to clean hard to remove as well as localized stains on the garment to be treated.
  • a particularly advantageous spot cleaning composition is one comprising the following constituents: 0.1 - 10%wt. nonionic alkoxylated alcohol; 0.1 - 10%wt. nonionic alkoxylated mono- and di-alkanol amide; 0.1- 3.5%wt. anionic surfactant especially one or more selected from alkyl sulfosuccinates, alkyl ether sulfosuccinates, alkylamide sulfosuccinates, alkyl sulfosuccinamates, as well as salt forms thereof; 0 - 1%wt. flurosurfactant; 0.01- 7%wt. alcohol solvent especially water miscible alcohols; 0.01 - 30%wt.
  • this spot cleaning compositions may include up to about 2%wt. of one or more conventional additives such as acids, bases, pH buffers, coloring agents, fragrances and the like. Desirably, these spot cleaning compositions comprise at least about 70%wt. water.
  • This advantageous spot cleaning composition is very effective in the removal of localized stains, leaves no discerible deposits or residues when used prior to an in conjuction with the cleaning composition being taught herein, and contain a relatively minor proportion of volatile organic compounds as these spot cleaning compositions desirably contain at least about 70%wt. water.
  • dryer apparatus including those having a rotating drum which rotates about a horizontal axis, but in some cases includes a drum which rotates about a vertical or other non-horizontal axis and such may be also used. Generally, those having a drum which rotates about an approximately horizontal axis are preferred. Such horizontally rotating drum ensures a good tumbling effect to the articles within the sealed containment bag and aids in the effective and uniform distribution of the cleaning composition amongst the surfaces of the garments being treated.
  • the dryer apparatus is actuated and optionally, heated for sufficient time to allow the tumbling of the treated garment and to distribute the cleaning composition onto the garment or textiles being treated.
  • the rotating drum is actuated to operate for several minutes without the application of heat to the rotating drum which permits tumbling of the containment bag and the distribution of the cleaning compositions of the instant invention more uniformly to the garments within the sealed containment bag prior to the appreciable volatilization of the cleaning compositions.
  • the dryer apparatus may then be actuated to apply heat to the rotating drum and its contents so to volatilize at least a major portion of the cleaning composition.
  • the treated garments may be removed and are optionally subjected to further treatment steps such as ironing, pressing and the like.
  • the treated garments or textiles are typically damp to the touch following this treatment step.
  • the thus treated garments and textiles may be treated with a fabric treatment composition such as a sprayable fabric softening composition, or an antistatic composition.
  • a fabric treatment composition such as a sprayable fabric softening composition, or an antistatic composition.
  • the liquid cleaning compositions being taught herein are advantageously used in a process for home dry cleaning wherein one or more garments or textiles are provided into the interior of a containment bag with a quantity of the compositions, the bag is then closed and inserted into a clothes dryer and the containment bag and its contents are tumbled to ensure the distribution of the liquid cleaning composition to the garments or textiles.
  • the dryer dry cleaning and freshening system shown in Fig. 1 includes a containment bag having an opening conveniently placed at one side thereof.
  • containment bag it may be fabricated of a material which is vapor impermeable material such as a plastic or polymer material such as from a sheet or film which is sewn, as well as certain non-woven textiles and formed materials, such as TYVEK (DuPont Corp., Wilmington DE) and the like.
  • a containment bag is typically sealed or otherwise fastened on one or more edges in order to form said containment bag, and any conventional means for its production may be used.
  • sealing or fastening means include for example sewing, welding, melt-bonding as well as other conventionally known means.
  • a vapor impermeable material may be used in the construction of the containment bag, it is to be understood that such a bag itself need not be totally hermetically sealable itself and that the escape of vapors or gases from within such a containment bag to its exterior, such as the interior space of a clothes dryer is to be foreseen. Such an escape of vapors may occur at seams of said containment bag, particularly where sewn seams are present, as well as from the sealable opening.
  • the containment bag may be fabricated of a material which is vapor permeable, such as a woven or non-woven textile material, which may be made of naturally occurring or synthetically produced fibers, as well as blends of two or more different materials.
  • Both the vapor permeable materials and the non-vapor permeable materials may be a single layer material, or may be of a multilayer construction such as two or more layers of differing materials layered in register. Examples of such include a first layer of a non-woven material which is used in the innermost layers of the containment bag, which is in turn layered with a non-woven material such as a polymer film layer which desirably provides a vapor impermeable barrier layer to the containment bag.
  • a second example of multilayer containment bag construction includes a first innermost layer which is a fibrous material, such as a non-woven material and a second layer in register therewith of a non-woven vapor impermeable synthetic paper-like material such as TYVEK material which is used to form the exterior of the containment bag.
  • a construction provides the advantage of providing a vapor impermeable containment bag, which has a durable exterior layer which in turn increases the operating life of such a containment bag.
  • the exterior material made of TYVEK or a similar material is readily printable using known art techniques which permits the printing of a legend, logo or instructions for use on this exterior surface of the containment bag.
  • a third preferred material of construction useful in the fabrication of a containment bag is a two or three layered construction, wherein the first and innermost layer of the containment bag is of a non-woven, fibrous material such as of a synthetically produced fiber, which in turn in bonded to a second spun bonded polymeric textile material, which imparts strength to such a containment bag construction.
  • a third layer of a non-woven, fibrous material is bonded to the remaining side of the spun bonded polymeric textile material and thus forms the exterior of the containment bag.
  • the fibrous material used in the formation of this third layer may be of the same synthetically produced fiber of the first, innermost layer or it may be of a different fiber.
  • a further and most preferred material of construction for the fabrication of the containment bag is a vapor impermeable or poorly vapor permeable bilayered material which has on its first layer a polymeric film, which is bonded to a second layer of a polymeric spun bonded nonwoven textile material.
  • Both the polymeric film and the polymeric spun bonded nonwoven textile material may be produced from a variety of known art polymers and copolymers including for example nylons, polyalkylene terephthalates, rayon, as well as polyalkylenes especially polyethylene, polypropylene and polybutylene being of particular advantage due to their low cost and ready fabrication into both vapor impermeable films as wall as nonwoven textile materials.
  • the bonding between these layers may be accomplished by virtually any known means, including for example heat bonding, resin bonding which may require the use of a bonding material or film intermediate to the first film layer and second film layers, as well as ultrasonic bonding methods which provide effective binding between these two materials and which may be practiced to produce an attractive dimpled appearance on the final material.
  • the containment bag is constructed such that the first film layer is forms the interior of the containment bag and thereby, and the second film layer forms the exterior of the containment bag.
  • a first advantage of this most preferred containment bag construction is that the interior film layer of the bag is both vapor impermeable and is nonabsorbent of the liquid cleaning composition and thus the maximum cleaning efficacy of these compositions is available to the clothes or other textiles being treated in the process according to the invention.
  • a second advantage of the preferred construction is the inventors' observation that such a containment bag billows sufficiently during the tumbling and heating it encounters in the dryer apparatus, yet permits the escape of vapors produced or entrapped within the containment bag to escape at an acceptable rate.
  • a third advantage enjoyed by the preferred construction is the durability of such a containment bag as the nonwoven film layer which forms the exterior of the bag is resistant to tearing, and at the same time the soft tactile characteristics of this layer make the bag especially attractive from the standpoint of the consumer.
  • a vapor impermeable or poorly vapor permeable bilayered material which has on its first layer a polymeric film, which is bonded to a second layer of a textile material
  • Such materials of construction useful for the fabrication of containment bags 1 which may be produced from these immediately above recited include: a first layer of a polyalkylene film, such as polyethylene or polypropylene bonded to a second layer of a textile material based on a blend of rayon and polyethylene terephthalte; and, a first layer of a polyalkylene terephalate film, bonded to a second layer of a rayon textile material.
  • a polyalkylene film such as polyethylene or polypropylene bonded to a second layer of a textile material based on a blend of rayon and polyethylene terephthalte
  • a first layer of a polyalkylene terephalate film bonded to a second layer of a rayon textile material.
  • Both the first layers and the second layers may be of the same or different thicknesses, and it is required only that the containment bag formed from these materials be flexible. Most desirably however, the thicknesses of both the first and second layer are less than about 20 mils, more desirably the thickness of the first, preferably vapor impermeable layer is 5 mils and less, especially 3 mils and less, while the thickness of the second layer and any further layer is about 5 mils and less.
  • the containment bag may vary considerably. Desirably however, the containment bag is sufficiently large to contain at least one garment or textile to be treated, but preferably 2 - 3 such garments, as well as the absorber means being taught herein, while at the same time not be overly large and thus be inconvenient for use in a domestic dryer apparatus.
  • the containment bag has a volume of about 75 litres or less, with sizes of about 50 liters, and about 30 liters being preferred.
  • the opening of the containment bag is conveniently located at an edge of the containment bag, but it may be located elsewhere.
  • the opening may be a simple slit or discontinuity in the material of the bag's construction or it may take a more complex form such as further including a foldable flap to close the bag, or may also use fastening means.
  • Suitable fastening means may be any useful fastening means known to the art including, but not limited to one or more of the following: zippers, hook-and-loop type fasteners (VELCRO®), buttons, clips, pins, snaps, adhesive strips, as well as resealable plastic sealing elements such as two strips, one on each margin of the opening when pressed together interlock to form a flexible seal.
  • Suitable fastening means also includes the use of a simple drawstring to pull the opening shut, the use of a single deformable wire-type "twist tie" to close the opening, as well as the use of one or more fastening means in conjunction with a flap. Further conventionally known fastening means although not elucidated here may also be used. In accordance with the convenient placement of the opening at or near an edge of the containment bag, the fastening means is placed at or about the edge of the bag as illustrated on Fig. 1.
  • the selected fastening means be affixable onto the materials of construction used to fabricate the containment bag, and that it form a relatively secure closure.
  • the containment bag is closeable to provide a liquid seal to minimize the leakage of any liquid cleaning composition out of said bag and into the dryer, which in turn ensures that maximum cleaning effect is imparted to garments or other textile materials being treated
  • a fibrous material to form the innermost surface of the containment bag may be desired as such a fibrous material is suited to entrap and entrain particles which may be released from a garment or textile being cleaned and/or absorbing of the cleaning composition being provided herein.
  • Such a containment bag may be desired as they may be amenable to laundering by the consumer. Following such a laundering operation, the entrained/entrapped particulates, soils, as well as any residual cleaning composition may be removed from the containment bag and as such, the bag may be reused in a further dry cleaning operation.
  • the cleaning compositions are used in conjunction with a dispensing container, or other container, which contains the cleaning composition as well as an absorbent sheet.
  • absorbent sheets may be produced from any fibrous or cellular flexible material which exhibits sufficient thermal stability for use in a clothes dryer.
  • such sheets may be non-woven materials such as those which have bonded fibers in a web accorded fiber structure and/or those which comprise fibrous mats in which the fibers are distributed in a random array.
  • Such a fibrous can be naturally produced fibers including wool, silk, cotton, linen, hemp, sisal, ramie or may be synthetically produced such as synthetically spun fibers of polymers.
  • Such synthetic fibers include rayon, cellulose, polyvinyl derivatives, polyolefins, polyesters, as well as polyamides.
  • rayon rayon, cellulose, polyvinyl derivatives, polyolefins, polyesters, as well as polyamides.
  • polyamides polyamides
  • sheets are sufficiently strong such that they will resist tearing or separation when used in a clothes dryer as described in the processes taught herein.
  • These sheets, when used, may be of any dimension but are preferably sheets having an area of at least one square centimeter and greater. Sheets having larger areas, i.e., those having areas of at least 50 square centimeters and greater are preferred from the view point of ease of use and handling. Such larger sheets are generally preferred as subsequent to the home dry cleaning processes being taught herein.
  • an overly large sheet such that which would resist the tumbling operation of the garments being treated and/or would tend to clump or bundle during the tumbling operation of the clothes dryer are to be desirably avoided.
  • the sheet is to act as an absorbent substrate for the cleaning composition and/or to act as a transport vehicle wherein cleaning composition absorbed upon the surface of the sheet may tumble and ultimately recontact a different region of the garment or textile material to be treated.
  • an intermediate size sheet and/or a plurality of intermediate sheets preferably those having an area of at least about 50 square centimeters are to be used.
  • a system optionally in kit form which includes a containment bag as described above, a quantity the liquid cleaning composition as taught herein, and a dispenser means.
  • a dispenser means may be a ball-shaped dispenser which may be separated into hemispheres and which includes in one of the hemispheres a vessel for the containment of the cleaning composition taught herein in a measured amount.
  • the vessel also includes a fluid communication means such as one or more perforations, preferably small perforations and/or a semi-permeable wall or sealing cap which permits for the flow of the cleaning composition from the interior of the vessel to the exterior of the dispenser such that it may be contacted with a garment or textile.
  • dispenser may be produced as both a single use dispenser and disposed after a single dry cleaning operation or it may be produced as a refillable and multi-use dispenser wherein the consumer may refill the dispenser between dry cleaning operations.
  • the dispenser may also be produced as a refillable dispenser.
  • a system optionally in kit form which includes a containment bag as described above, a quantity the liquid cleaning composition as taught herein, and a dispensing container.
  • the dispensing container may take a variety of forms, including a variety of known devices including resealable bottles with or without dispensing elements such as manually pumpable dispensers, bottles or flasks supplied with flow directing nozzles, as well as being supplied with recloseable caps. Aerosol type dispensing containers may also be used.
  • the dispensing containers may also be of known single opening types, including sealed pouches or packages wherein the package's integrity is destroyed once it is opened and the complete contents are expected to be used subsequent to opening.
  • Such include, for example sealed pouches formed of single layer or multilayer constructions, particularly constructions which utilize one or more polymeric films, as well as single opening ampoules, flasks or vials which once opened are not designed to be readily recloseable.
  • Single use dispensing containers are advantageously used as they permit for the packaging of controlled amounts of the cleaning compositions being taught herein which are subsequently to be used by the consumer.
  • a system optionally in kit form which includes a containment bag as described above, a quantity the liquid cleaning composition as taught herein, and a dispenser means.
  • An exemplary dispenser means is one which is formed of a porous material which is suited to be impregnated with the liquid cleaning composition according to the invention.
  • the porous dispenser may be one or more spherical or other generally ball-shaped dispensers formed of a porous material which is adapted for the retention of the cleaning composition within, yet when subjected to sudden motion and agitation such as is expected in a drying apparatus, release their impregnated cleaning composition.
  • a spherical geometry is preferred as being least likely to be undesirably snagged or trapped by tumbling garments or textiles during the cleaning process where it is present within the containment bag which assures the likelihood that a more even delivery of the cleaning composition to the garments and textiles occurs.
  • a dispenser being of a porous nature permits for the flow of the cleaning composition from its interior to the exterior of the dispenser, i.e., its surface such that it may deliver the cleaning composition to a garment or textile by physical contact therewith.
  • porous dispenser Materials which may be used for the production of such a porous dispenser include foamed polymeric materials which are resilient and flexible, as well as certain porous but less resilient constructions formed from polymeric materials, such as may be formed by sintering polymeric material.
  • Useful polymers for such constructions may be based on virtually any polymer which may be formed into such a porous dispenser means, of which polyolefins, and polyamides, especially polyalkylenes including polyethylene, polybutylene and polypropylene are advantageously used.
  • Porous dispenser means may be produced by sintering a quantity of comminuted polymer particles, such as in the forms of pellets, powders, prills or the like under appropriate conditions to agglomerate the polymer particles into a formed article which nonetheless retains a porous nature.
  • An especially useful polymer for this purpose is a polyolefin such a high density polyethylene which is readily commercially available at a reasonable cost, and which is readily sinterable to form such a porous dispenser. It is to be understood however, that other polymers may be used.
  • porous dispenser means may be produced as both a single use dispenser and disposed after a single dry cleaning operation or it may be produced as a refillable and multi-use dispenser wherein the consumer may refill the dispenser between dry cleaning operations by reimpregnating the porous dispenser with the cleaning composition such as by immersing the dispenser in a volume of said cleaning composition.
  • Such systems which include a containment bag as described above, a quantity the liquid cleaning composition as taught herein, and porous dispenser means.
  • a system optionally in kit form which includes a containment bag having an absorbent interior surface as is described above, a quantity the liquid cleaning composition as taught herein.
  • the liquid cleaning composition is provided to the absorbent interior of the containment bag and the containment bag is further provided with one or more textiles or garments to be treated in accordance with the process being taught herein.
  • the absorbent interior which is advantageously a fibrous or fleecy material acts both to distribute the liquid cleaning composition to the garments and the to trap or entrain loosened soils from the treated garments.
  • dryer or “dryer apparatus” is a rotary dryer which generally is typical of a domestic rotary dryer.
  • the drum be configured so as to retain garments and/or textiles therein, to be rotatable, and that the interior of the drum may be heated to at least the temperature at which the lowest boiling point constituent volatilizes.
  • domestic clothes dryers, as well as commercial clothes dryers, particularly of the rotary type and most particularly those which rotate about a non-vertical axis are to be clearly understood as encompassed within the scope of the instant invention.
  • references to "parts by weight” and “weight percent” and “%wt.” are considered to be interchangeable and to represent the weight percent of a particular constituent with reference to a total composition within which it is included, where such total composition is considered to have 100 parts by weight.
  • all of the constituents of each of the formulations described in the examples below are recited in parts by weight and are based on 100 parts by weight of a particular formulation, unless specified to be otherwise.
  • compositions according to the invention were prepared having the constituents which are indicated on Table 1 below wherein the amounts given are the weight percent of each respective constituent.
  • Preparation of the formulations were performed in a routine manner, which was generally in accordance with the following protocol.
  • To a large glass beaker placed on a magnetic stirrer apparatus was added less than the total amount, or the total amount of deionized water.
  • the temperature of the water, as well as that of the remaining constituents was approximately room temperature ( ⁇ 68°F, ⁇ 20°C)
  • the stirrer apparatus was activated, and to the water was added measured amounts of each of the constituents. While order of addition of the constituents is not believed to be important, generally the surfactants are preferably added first.
  • the contents of the beaker were allowed to stir for a period of 5 to 15 minutes to ensure homogeneous mixing and the production of a uniform formulation.
  • Each of the formulations was observed to be shelf stable for period of weeks and months.
  • Monawet SNO-35 a tetrasodium salt of N-(1,2,dicarboxyethyl)N-(octadecyl sulfosuccinamate [35%wt. actives]
  • Kathon CG/ICP, Kathon CG/ICP proprietary preservative composition Busan 1504 proprietary preservative composition
  • Dowicil 75 proprietary preservative composition Dantogard Plus proprietary preservative composition fragrance proprietary fragrance composition ethanol ethanol [100%wt. actives] deionized water deionized water
  • a clean off-white 100% silk blouse as stained in with 0.003 grams of a lipstick composition was permitted to set for 15 minutes so to simulate an actual consumer staining condition.
  • a clean disposable paper towel was laid on a hard nonabsorbent surface and the stain was laid facing the paper towel.
  • a quantity of a spot cleaning composition according to the particularly advantageous spot cleaning composition described above was applied to the silk fabric surface using an absorbent tipped dispenser in a brush stroking fashion to impart linear strokes. In such a fashion, the major portion of the spot cleaning composition was supplied to the locus of the stain and lesser amounts of the spot cleaner were supplied to the edges beyond the stain. In such a manner, a "feathered" application of the spot cleaning composition was provided.
  • Example 6 a quantity of the formulation according to Example 6 was applied to evenly wet the area of the lipstick stain and the thus treated garment was supplied to the interior of a containment bag formed of a vapor impermeable material.
  • the bag was sealed, and inserted into the interior of a horizontally rotating domestic dryer apparatus.
  • the said apparatus was activated to operate on a "low" cycle for 30 minutes, and the containment bag and its contents were removed.
  • the silk blouse which had an overall moist appearance was then hung on a hanger and permitted to dry.
  • the thus treated silk blouse could be lightly ironed subsequent to cleaning in order to remove any wrinkles from the garment.
  • spot cleaning compositions may be used in place of that utilized above. It is further to be understood that the process as described could be performed on a garment or textile without a spot cleaning treatment step wherein a general cleaning and freshening effect is desired.
  • two identical ladies' blouses made of a 60% acetate/40% rayon blend were utilized.
  • a containment bag formed of a single layer vapor impermeable polymer film were provided a small amount, i.e., "two squirts" from a hand-holdable trigger dispenser, of an aqueous 0.2% isovaleric acid composition which was provided to simulate body odor.
  • a second identical containment bag a second identical amount of the aqueous acid composition was also provided.
  • one of each blouses were provided to the interior of the containment bags which were thereafter sealed. The blouses were allowed to remain in these bags for a period of 10 minutes; this allowed for the conditioning of the blouses with the acid composition such that the blouses became malodoured.
  • one of the blouses was removed, introduced into a second new containment bag of the same a single layer vapor impermeable polymer film construction which was subsequently sealed. Afterwards this containment bag and its contents were provided to the interior of a domestic dryer apparatus which was operated for 20 minutes on a "fluff" cycle; no heat was applied. The containment bag was then removed, its contained blouse was also removed and the blouse was laid on a hard surface from whence it could be compared by a panel of individuals as to its appearance and odiferous characteristics.
  • the second blouse was removed from the bag containing the acid composition and it was introduced into the interior of a new containment bag of the same a single layer vapor impermeable polymer film construction as used to produce the comparative example blouse.
  • a new containment bag of the same a single layer vapor impermeable polymer film construction as used to produce the comparative example blouse.
  • To this containment bag was also provided a single, approximately 2-1/2 inch square, compressible polymeric foam cube which had been provided with 30.03 grams of a liquid cleaning composition according to Example 12, after which the containment bag was sealed.
  • the containment bag and its contents were inserted into the interior of a dryer apparatus which was operated for 20 minutes on the same fluff cycle after which the containment bag and its contents were removed. During this step, it was observed that the containment bag was found to billow, and its contents was effectively tumbled within
  • the blouse was removed from said containment bag and laid side-by-side with the comparative example blouse for comparison of its visual and odiferous characteristic.
  • the foam cube was removed and it was determined that consequent to the 20 minutes of tumbling, that it had released approximately 59% of the liquid home dry cleaning composition which it had originally contained, namely 17.69 grams of its liquid cleaning composition, which was further apparent from the appearance of the blouse which was damp to the touch.
  • a clean white rayon blouse was applied at one location with 3 grams of the particularly advantageous spot cleaning composition described above, which was applied with a pipette.
  • the spot cleaning formulation was allowed to spread and thus formed a wetted circular area.
  • the spot cleaning formulation was then manually worked in by stroking it in using a clean absorbent paper towel so to ensure that it was well interspersed among the fibers of the white rayon blouse.
  • Example 13 a small quantity of a liquid cleaning composition according to Example 13 was applied to this wetted area as well as in the surrounding area with a hand-holdable bottle with a manually pumpable spray dispenser bottle so to wet both the area treated by the spot cleaning formulation and its surrounding vicinity.
  • the thus treated blouse was inserted into the interior of a containment bag which was formed of a single-layer polymeric material which was then sealed, and it with its contents were inserted into a domestic dryer. The dryer was operated on a "low" setting for 30 minutes where it was observed that the bag was found to billow, and the white rayon blouse was effectively tumbled within.
  • the bag was then removed, and the blouse was withdrawn and observed.
  • the blouse was damp to the touch, and it was observed that no yellowing or any residual deposits were discernible in the area of application of the spot cleaning composition.
  • a clean red-colored knitted sweater having a fiber content of 70% lambswool, 20% angora, and 10% nylon, and indicated by the manufacturer as "dry clean only" on its label was laid on a hard flat surface.
  • To four non-contiguous regions of the sweater were applied 0.2 grams of a liquid make-up composition, 0.0015 grams of a lipstick composition, 0.10 grams of a tomato sauce composition and 0.10 grams of a salad dressing compositions. These stains were permitted to set in to the garment overnight.
  • control garment was sent off to a commercial dry cleaning establishment where it was processed according to convention methods and returned at a later date.
  • the remaining sweater was laid with the stained surface down upon laying of absorbent paper towels and through the obverse side, or back side of the sweater from the stained areas were applied a sufficient quantity of a spot cleaning composition according to the especially preferred spot cleaning composition described above.
  • This spot cleaning composition was applied utilizing an absorbent tip dispenser in a brush stroking fashion to impart linear strokes; application of the spot cleaning composition continued until it was observed that substantially all of the stains were removed from the stained garment and transferred to the clean paper towel which acted as an absorbing and stain entraining substrate It is to be noted that cleaning the stains using the spot cleaning composition through the obverse side of the sweater did not force the migration of the soil or stain through the textile, but rather forced the stains directly from the sweater's surface to the surface of the paper towel.
  • the sealed containment bag and its contents were then inserted into the interior of a domestic dry cleaning apparatus which was then operated on a "fluff" cycle for 20 minutes to allow the tumbling of both the red sweater and the liquid cleaning composition entrained polymeric foam cube during this interval. During this time, no heat was applied to the new bag or its contents by the dryer apparatus, and the containment bag was observed to expand or billow which permitted effective tumbling of the foam cube and the contained red sweater.
  • This sweater was compared to the control sweater which had been cleaned by a conventional dry cleaning establishment. Also, no shrinkage or color change was observed in this garment, and the four stains were also effectively removed.
  • a clean white blouse, having a fiber content of 6% acetate and 40% rayon and designated by the manufacturer as "dry clean only" on its label was laid on a hard flat surface.
  • To four non-contiguous regions of the sweater were applied 0.2 grams of a liquid make-up composition, 0.0015 grams of a lipstick composition, 0.10 grams of a tomato sauce composition and 0.10 grams of a salad dressing compositions. These stains were permitted to set in to the garment overnight.
  • control blouse was sent off to a commercial dry cleaning establishment where it was processed according to convention methods and returned at a later date.
  • the remaining blouse was laid with the stained surface down upon laying of absorbent paper towels and through the obverse side, or back side of the sweater from the stained areas were applied a sufficient quantity of the especially advantageous spot cleaning composition described above.
  • This spot cleaning composition was applied utilizing an absorbent tip dispenser in a brush stroking fashion to impart linear strokes; application of the spot cleaning composition continued until it was observed that substantially all of the stains were removed from the stained garment and transferred to the clean paper towel which acted as an absorbing and stain entraining substrate It is to be noted that cleaning the stains using the spot cleaning composition through the obverse side of the sweater did not force the migration of the soil or stain through the textile, but rather forced the stains directly from the sweater's surface to the surface of the paper towel.
  • the sealed containment bag and its contents were then inserted into the interior of a domestic dry cleaning apparatus which was then operated on a ''fluff" cycle for 20 minutes to allow the tumbling of both the blouse and the liquid cleaning composition entrained polymeric foam cube during this interval. During this time, no heat was applied to the new bag or its contents by the dryer apparatus, and the containment bag was observed to expand or billow which permitted effective tumbling of the foam cube and the contained blouse.
  • This blouse was compared to the control blouse which had been cleaned by a conventional dry cleaning establishment. Also, no shrinkage or color change was observed in the control blouse, and the four stains were also effectively removed.

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Abstract

L'invention se rapporte à des compositions de nettoyage à sec pour usage ménager, susceptibles d'être utilisées dans le nettoyage à sec de textiles et de vêtements, de façon non commerciale. Les compositions de nettoyage utilisables pour le nettoyage à sec ménager sont mises en contact avec un vêtement ou un textile sale au cours du passage au tambour tel qu'il peut se faire dans un sèche-linge ménager. Les compositions de nettoyage contiennent une proportion majeure d'eau et, en quantités mineures, un alcohol alcoxylé non ionique, un tensioactif anionique (choisi entre les sulfosuccinates d'alkyle, les sulfosuccinates d'éther alcoylique, les sulfosuccinates d'alkylamide ou les sulfosuccinamates d'alkyle, et aussi parmi les sels de ces constituants), un solvant organique choisi parmi les alcohols et les éthers glycoliques, ainsi que des constituants facultatifs tels que les fluorotensioactifs, les agents d'équilibrage du pH, les parfums, les solubilisateurs de parfum et les agent de conservation. On décrit par ailleurs des procédés relatifs au nettoyage à sec ménager à l'aide de ces compositions de nettoyage, et des nécessaires destinés à être utilisées pour le nettoyage ménager à l'aide desdites compositions.

Claims (13)

  1. Composition de nettoyage à sec domestique, consistant en :
    0,01 à 0,15 % en poids d'un agent tensio-actif non ionique,
    0,01 à 2,5 % en poids d'un agent tensio-actif anionique choisi entre des alkylsulfosuccinates, des alkyléthersulfosuccinates, des alkylamide-sulfosuccinates, des alkylsulfosuccinamates et leurs sels,
    0, à 1 % en poids d'un agent tensio-actif fluoré,
    1,0 à 5,0 % en poids d'un solvant organique choisi entre des alcools et des éthers de glycols,
    0 à 2 % en poids d'un ou plusieurs constituants facultatifs choisis entre : un agent d'ajustement du pH, un parfum et un adjuvant de parfum, ou un conservateur,
    pour 100 % en poids d'eau.
  2. Composition de nettoyage à sec domestique suivant la revendication 1, dans laquelle l'agent tensio-actif non ionique est un phénol alkoxylé non ionique hydrosoluble.
  3. Composition de nettoyage à sec domestique suivant la revendication 1 ou 2, dans laquelle l'agent tensio-actif non ionique est un alcool primaire ou alcool secondaire alkoxylé non ionique hydrosoluble.
  4. Composition de nettoyage à sec domestique suivant la revendication 1 ou 2, dans laquelle l'agent tensio-actif non ionique est présent en une quantité de 0,1 à 0,15 % en poids.
  5. Composition de nettoyage à sec domestique suivant la revendication 1 ou 2, dans laquelle l'agent tensio-actif non ionique est présent en une quantité de 0,01 à environ 2,0 % en poids, de préférence de 0,01 à environ 1,0.
  6. Composition de nettoyage à sec domestique suivant la revendication 1 ou 2, qui comprend un agent tensio-actif fluoré.
  7. Composition de nettoyage à sec domestique suivant la revendication 1 ou 2, dans laquelle le solvant organique est présent en une quantité de 1,0 à 3,0 % en poids.
  8. Composition de nettoyage à sec domestique suivant la revendication 1 ou 2, dans laquelle l'eau représente au moins environ 90 % en poids de la composition totale.
  9. Procédé pour le nettoyage à sec domestique d'une matière textile ou d'un vêtement, qui comprend les étapes consistant :
    à mettre en contact une quantité d'une composition de nettoyage à sec domestique suivant l'une quelconque des revendications 1 à 8 avec la matière textile ou le vêtement au cours de l'agitation au tambour dans un appareil de séchage.
  10. Procédé suivant la revendication 9, qui comprend l'étape supplémentaire de procédé consistant :
    à prétraiter une tache avec une composition d'élimination des taches avant la mise en contact d'une quantité d'une composition de nettoyage à sec domestique suivant l'une quelconque des revendications 1 à 8 avec le vêtement ou la matière textile.
  11. Procédé suivant la revendication 10, qui comprend les étapes supplémentaires de procédé consistant :
    à insérer la matière textile ou le vêtement à l'intérieur d'un sac de confinement,
    à introduire une quantité de la composition de nettoyage à sec domestique à l'intérieur du sac de confinement,
    à fermer le sac de confinement,
    à insérer le sac de confinement contenant la matière textile ou le vêtement à l'intérieur d'un appareil de séchage, et
    à faire fonctionner l'appareil de séchage pour agiter au tambour et répartir la composition de nettoyage à sec domestique sur la surface de la matière textile ou du vêtement présent dans le sac de confinement.
  12. Procédé suivant la revendication 11, dans lequel une composition de nettoyage à sec domestique suivant la revendication 1 est appliquée à une surface intérieure absorbante du sac de confinement.
  13. Kit de nettoyage à sec domestique, qui comprend un sac de confinement, une quantité de la composition nettoyante suivant l'une quelconque des revendications 1 à 8 et un moyen de distribution pour distribuer la composition nettoyante à des vêtements ou matières textiles.
EP96921691A 1995-06-22 1996-06-18 Composition pour nettoyage à sec, procédé et kit correspondant Expired - Lifetime EP0842318B1 (fr)

Applications Claiming Priority (19)

Application Number Priority Date Filing Date Title
GBGB9512695.9A GB9512695D0 (en) 1995-06-22 1995-06-22 Improvements in or relating to organic compositions
GB9512688 1995-06-22
GBGB9512687.6A GB9512687D0 (en) 1995-06-22 1995-06-22 Improvements in or relating to organic compositions
GB9512687 1995-06-22
GBGB9512688.4A GB9512688D0 (en) 1995-06-22 1995-06-22 Improvements in or relating to compositions
GB9512695 1995-06-22
GBGB9604884.8A GB9604884D0 (en) 1996-03-07 1996-03-07 Improvements in or relating to organic compositions
GB9604880 1996-03-07
GBGB9604880.6A GB9604880D0 (en) 1996-03-07 1996-03-07 Improvements in or relating to organic compositions
GB9604884 1996-03-07
GBGB9604879.8A GB9604879D0 (en) 1996-03-07 1996-03-07 Improvements in or relating to organic compositions
GB9604879 1996-03-07
GB9604828 1996-03-07
GB9604883 1996-03-07
GBGB9604849.1A GB9604849D0 (en) 1996-03-07 1996-03-07 Improvements in or relating to organic compositions
GBGB9604883.0A GB9604883D0 (en) 1996-03-07 1996-03-07 Improvements in or relating to organic compositions
GB9604849 1996-03-07
GBGB9604828.5A GB9604828D0 (en) 1996-03-07 1996-03-07 Improvements in or relating to organic compositions
PCT/US1996/010559 WO1997000990A2 (fr) 1995-06-22 1996-06-18 Ameliorations apportees ou liees a des compositions organiques

Publications (3)

Publication Number Publication Date
EP0842318A2 EP0842318A2 (fr) 1998-05-20
EP0842318A4 EP0842318A4 (fr) 1999-07-28
EP0842318B1 true EP0842318B1 (fr) 2005-12-21

Family

ID=27576360

Family Applications (3)

Application Number Title Priority Date Filing Date
EP96921691A Expired - Lifetime EP0842318B1 (fr) 1995-06-22 1996-06-18 Composition pour nettoyage à sec, procédé et kit correspondant
EP96923332A Withdrawn EP0833976A4 (fr) 1995-06-22 1996-06-18 Ameliorations apportees ou liees a des compositions organiques
EP96921690A Expired - Lifetime EP0843603B1 (fr) 1995-06-22 1996-06-18 Composition pour enlever de taches

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP96923332A Withdrawn EP0833976A4 (fr) 1995-06-22 1996-06-18 Ameliorations apportees ou liees a des compositions organiques
EP96921690A Expired - Lifetime EP0843603B1 (fr) 1995-06-22 1996-06-18 Composition pour enlever de taches

Country Status (9)

Country Link
EP (3) EP0842318B1 (fr)
AR (3) AR002564A1 (fr)
AU (3) AU704991B2 (fr)
BR (3) BR9608605A (fr)
CA (3) CA2224693A1 (fr)
DE (2) DE69635615T2 (fr)
ES (1) ES2255711T3 (fr)
GB (3) GB2302878B (fr)
WO (3) WO1997000738A1 (fr)

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Also Published As

Publication number Publication date
DE69620417D1 (de) 2002-05-08
GB9612979D0 (en) 1996-08-21
GB2302878B (en) 1999-06-16
AU6284396A (en) 1997-01-22
DE69635615T2 (de) 2006-08-10
CA2224794A1 (fr) 1997-01-09
GB2302553B (en) 1999-06-23
DE69620417T2 (de) 2002-10-31
GB2302878A (en) 1997-02-05
WO1997000993A1 (fr) 1997-01-09
GB2302879A (en) 1997-02-05
BR9608605A (pt) 1999-03-02
EP0842318A4 (fr) 1999-07-28
DE69635615D1 (de) 2006-01-26
ES2255711T3 (es) 2006-07-01
AU6284296A (en) 1997-01-22
BR9608977A (pt) 1999-06-29
GB2302879B (en) 1999-05-19
AU703588B2 (en) 1999-03-25
EP0843603A1 (fr) 1998-05-27
EP0833976A1 (fr) 1998-04-08
AR002563A1 (es) 1998-03-25
AU709497B2 (en) 1999-09-02
GB9612901D0 (en) 1996-08-21
GB2302553A (en) 1997-01-22
BR9608658A (pt) 1999-09-08
WO1997000990A3 (fr) 1997-01-30
WO1997000990A2 (fr) 1997-01-09
CA2224693A1 (fr) 1997-01-09
EP0843603B1 (fr) 2002-04-03
AU704991B2 (en) 1999-05-13
EP0833976A4 (fr) 1999-07-28
AU6387496A (en) 1997-01-22
CA2224692A1 (fr) 1997-01-09
GB9612980D0 (en) 1996-08-21
AR002565A1 (es) 1998-03-25
WO1997000738A1 (fr) 1997-01-09
EP0843603A4 (fr) 1999-07-21
EP0842318A2 (fr) 1998-05-20
AR002564A1 (es) 1998-03-25

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