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EP0427968B1 - Méthode pour éliminer des particules d'un tissu - Google Patents

Méthode pour éliminer des particules d'un tissu Download PDF

Info

Publication number
EP0427968B1
EP0427968B1 EP19900119762 EP90119762A EP0427968B1 EP 0427968 B1 EP0427968 B1 EP 0427968B1 EP 19900119762 EP19900119762 EP 19900119762 EP 90119762 A EP90119762 A EP 90119762A EP 0427968 B1 EP0427968 B1 EP 0427968B1
Authority
EP
European Patent Office
Prior art keywords
propellant
resin
dimethyl ether
composition
spraying
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
EP19900119762
Other languages
German (de)
English (en)
Other versions
EP0427968A2 (fr
EP0427968A3 (en
Inventor
Thomas J. Pallone
Larry J. Alania
William C. Weber, Jr.
Robert F. Farmer
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.)
Alberto Culver Co
Original Assignee
Alberto Culver Co
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 US07/421,961 external-priority patent/US5089160A/en
Priority claimed from US07/421,641 external-priority patent/US4990192A/en
Application filed by Alberto Culver Co filed Critical Alberto Culver Co
Publication of EP0427968A2 publication Critical patent/EP0427968A2/fr
Publication of EP0427968A3 publication Critical patent/EP0427968A3/en
Application granted granted Critical
Publication of EP0427968B1 publication Critical patent/EP0427968B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • C11D17/0043—For use with aerosol devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
    • B08B7/0028—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by adhesive surfaces

Definitions

  • the field of this invention is the removal of particulate matter such as lint or hair from fabric other than by washing or dry cleaning.
  • Methods and devices within the field of the invention include those which can be employed for quick removal of particulate matter from the surface of a garment while the garment is being worn or immediately prior thereto.
  • Patent 4,713,274 describes a pad having a plurality of removable sheets which are coated with an adhesive material for use in collecting particulate matter.
  • Patent 4,820,558 describes an envelope formed from plastic sheets having the outer surfaces of the sheets coated with an adhesive material suitable for collecting particulate matter. A hand may be inserted within the pocket formed by the sheets for applying the device.
  • Patent 2,759,860 describes a lint removing process in which a liquid composition is applied to the bristles of a brush or whisk broom. The brush or whisk broom after coating with the composition is brushed over the surface of the garment.
  • Aerosol adhesive formulations are known. In general, they consist of a film-forming resin, a tackifier or plasticizer therefor, and an aerosol propellant in which the resin is soluble or readily dispersible. On application to sheet material, such as the backs of photographs, the spray forms a tacky, adherent coating.
  • Such formulations include acrylic polymers such as the methacrylate polymers employed with volatile aerosol propellants as disclosed in U.S. patent 3,305,510. As there described, the alkyl acrylate polymer may be modified so that it is water-washable to facilitate removal of misapplied spray. The patent indicates that dimethyl ether can function both as a propellant and solvent for acrylate polymers.
  • Patent 3,340,095 describes an aerosol-packaged spray adhesive formulated from an elastomeric polymer together with a tackifier resin. The spray composition is intended to form a tacky coating.
  • a tacky aerosol adhesive spray can be employed for removing lint, hair, or other particulate matter from garments or other fabric surfaces providing the spray is formulated in accordance with certain criteria and is used in a defined manner.
  • the film-forming resin together with a tackifier or plasticizer therefor should be dissolved or dispersed in a volatile aerosol propellant. More specifically, the propellant should be sufficiently volatile so that it evaporates very rapidly from the sprayed droplets, either in transit or immediately after the droplets are deposited.
  • the spraying of the composition should be carried out so as to splatter the surface of the substrate with tacky adherent globules of the tackified or plasticized resin without forming a continuous coating on the surface.
  • the rough, globular-type coating produced by the method of this invention has been found to be especially suitable for removal of lint and hair from garments or other fabric articles, such as upholstery or draperies.
  • the globules can be deposited in less than five seconds and are ready for use in less than 30 seconds.
  • the deposited tacky globules are adherent to the substrate to which they are applied, and are sufficiently free of solvent that they can be contacted with a cloth garment without transfer to the garment.
  • the relatively rough tacky surface is especially effective in picking up lint or hair.
  • An advantage of the method and aerosol preparations used in this invention is that they can be employed with readily available substrates such as paper towels.
  • a paper towel is highly absorbent, because of the limited amount of spray applied and the deposit of the spray in the form of droplets or globules, the deposited adhesive material remains on the surface of the towel paper and thereby functions effectively for removal of hair or lint.
  • Other absorbent sheet material can be used, such as cloth. Sheet material subject to shedding, such as face or toilet tissue is not desirable. Both absorbent and non-absorbent substrates can be employed, including polyethylene bags, waxed paper, aluminum foil cloth, paper towel, etc.
  • the tackified or plasticized resin In the event of misapplication of the sprayed composition, such as on the hands, or unintentional application to a garment, it is desirable to have the tackified or plasticized resin readily water-washable.
  • the resin can be modified to provide water-solubility.
  • a surfactant is incorporated in the formulation to promote water-removability.
  • Preferred formulations for use in this invention utilize acrylic polymers as the film-forming resin, with tackifiers therefor, such as rosin-type tackifiers.
  • the sole propellant is dimethyl ether.
  • the propellant system comprises a mixture of dimethyl ether and a hydrocarbon propellant of suitable volatility such as n-butane, isobutane, propane, or mixtures thereof.
  • a sprayable adhesive composition is prepared in a valve-equipped aerosol container.
  • the composition comprises an adhesive film-forming resin in admixture with a tackifier or plasticizer therefor, and a volatile aerosol propellant in which the tackified or plasticized resin and or rosin is soluble or readily dispersible.
  • the packaged composition is sprayed from the container onto flexible sheet material providing an essentially non-shedding surface for receiving the spray.
  • the spraying is carried out so as to splatter the surface with tacky adherent globules of the tackified or plasticized resin without forming a continuous coating on the surface.
  • the surface of the sheet material is contacted with the fabric from which the particulate matter is to be removed.
  • This method has particular application to clothing, upholstery, drapes and other fabric articles which have collected lint, hair, or other detachable particulate matter.
  • Film-forming resins of the kind which have heretofore been employed for aerosol adhesive compositions can be used.
  • resins include acrylic polymers and copolymers.
  • alkyl acrylate or alkyl methacrylate polymers can be used.
  • Elastomeric resins can also be used, such as polyvinylpyrrolidone, vinyl acetate/crotonic acid/vinyl neodeconate copolymers, butyl esters of poly(methylvinyl ether/maleic acid), etc.
  • Such resin polymers are available commercially from a number of sources, as indicates subsequently.
  • Acrylic polymers are preferred and may be used either as an aqueous latex emulsion or as an organic solvent solution.
  • Organic solvent solutions of acrylic polymers in essentially anhydrous compositions are preferred.
  • a tackifier or plasticizer in combination with the film-forming resin.
  • the sprayed globules should have tacky adhesive character.
  • Rosin-type tackifiers are useful for this purpose, such as rosin polyol esters, modified tall oil rosins, glycerol esters of resin, etc.
  • the tackifier may itself be a modified film-forming resin, such as modified acrylics which function as tackifiers.
  • a plasticizer may also be used.
  • the propellant or propellant systems should be selected to provide rapid evaporation on spraying of the composition.
  • the individual propellant or the components of a mixture should each have a volatility producing a vapor pressure of 169 kPa (10 psig) or higher at 21°C (70°F).
  • Preferred solvents are dimethyl ether, or a mixture of dimethyl ether with a hydrocarbon propellant such as propane, n-butane, isobutane, or mixtures thereof.
  • the mixed propellant may contain from 30 to 75 parts by weight of a butane propellant (preferably n-butane) together with 70 to 25 parts of dimethyl ether.
  • Such combinations may produce a lower cost propellant, but for some optimized embodiments it is preferred to employ dimethyl ether as the sole propellant, especially with acrylic latex emulsions.
  • Anhydrous systems using organic solvent solutions of acrylic polymers as copolymers e.g., acrylic vinyl copolymers
  • chlorofluoroalkanes can be employed as full or partial substitutes for dimethyl ether.
  • Such propellants include chlorodifluoromethane and dichlorofluoromethane.
  • the propellant system should also act as an effective solvent for the other ingredients, especially the resin and tackifier. However, a single phase system is not essential if the phases are readily redispersible on shaking the container. It is desired to dispense an essentially homogeneous composition.
  • a surfactant is preferably incorporated in the aerosol formulation.
  • Suitable surfactants include sorbitan monolaurate, alkylbenzene sulfonate, octylphenoxy polyethoxyethanol, and similar surfactants.
  • a general formulation of the aerosol compositions for use in this invention can be represented as follows:
  • Film-forming resin 1.00 to 12.00 (100% solids)
  • Tackifier/Plasticizer 1.00 to 7.00
  • Propellant/Solvent 78.00 to 99.00
  • Surfactant 0.30 to 3.00
  • the formulation includes at least 4 to 5 parts by weight of the film-forming resin which may be an acrylic polymer or copolymer.
  • the film-forming resin which may be an acrylic polymer or copolymer.
  • Illustrative compositions based on acrylic polymers are set out below, Composition A using an acrylic polymer latex, and Composition B being an anhydrous formulation.
  • Composition A Ingredients Parts by Wt.
  • Acrylic Polymer Latex (50% aqueous) 4.00 to 10.00 Rosin and/or Modified Acrylic Tackifier 1.23 to 2.33 (100% solids) Dimethyl Ether 30.00 to 87.00 n-Butane 0.00 to 55.00 Surfactant 0.77 to 2.00
  • Composition B Ingredients Parts by Wt.
  • Acrylic Vinyl Copolymer (Organic Solvent Solution) 5.00 to 15.00
  • Elastomeric Tackifier e.g., Polybutene
  • Dimethyl Ether 25.00 to 94.00
  • n-Butane 0.00 to 60.00
  • Surfactant 0.50 to 2.00
  • the method of this invention can be practiced with a variety of flexible sheet materials which can provide essentially non-shedding surfaces for receiving the spray.
  • Towel paper is a preferred substrate because of its ready availability and because the absorbent character of the paper does not interfere with the production of the desired globular-type coating if carried out in accordance with the method steps of this invention.
  • Other readily available substrates include polyethylene bags, such as sandwich or food storage bags, as well as other non-absorbent sheet material like waxed paper, aluminum foil, etc.
  • cloth formed from cotton, wool, or synthetic fibers can be used as a substrate.
  • a short spray time should be used in order to promote an uneven, globular, discontinuous surface deposit.
  • spraying times For example, at spray distances of from 8 to 12 inches, spraying times of 1 to 5 seconds are employed for up to each square foot of sprayed area.
  • a paper towel sheet having a surface area of up to about one square foot can be used. More specifically, at a normal spray distance of 8 to 10 inches, a spray time of 2 to 4 seconds produces the surface deposition desired for use in removing lint or hair from fabric.
  • Residual solvent substantially evaporates in 30 to 60 seconds following deposition.
  • the substrate is ready for use in less than 30 seconds following the deposition.
  • the deposited film-forming composition may contain residual solvent which will tend to promote absorption of the coating by absorbent substrates such as towel paper. Further, when applied to non-absorbent surfaces such as polyethylene bags, there is a greater tendency for the deposited material to transfer to the garment being treated. It is desirable to avoid spray applications which produce continuous coatings as the spray is deposited.
  • the substrate can be resprayed providing the spraying limitations above are followed.
  • Formulations for use in practicing the method of this invention are further illustrated by the following examples.
  • Commercial sources of the ingredients are keyed by reference letters to a later presented table.
  • Examples 1 and 2 are latex emulsion formulations
  • Examples 3 and 4 are anhydrous formulations.
  • aerosol formulations can be illustrated in relation to the spraying of a paper towel, which is a preferred, readily available substrate.
  • a paper towel which is a preferred, readily available substrate.
  • One hand may be covered with a sheet of clean, dry paper towel, and the aerosol container held upright at about 8 to 10 inches from the towel sheet.
  • Spraying may be carried out with a circular motion, the spraying being for about 2 to 4 seconds.
  • the towel sheet is held for about 10 to 20 seconds before use, such as about 15 seconds.
  • the sprayed side of the sheet is then used by patting it against the garment or other fabric item to lift hair, lint, etc. It is desirable to avoid wiping the fabric with the sprayed sheet.
  • the same towel surface can be resprayed to accomplish additional or more complete removal of particulate material, providing the same spray procedure is used and the spraying is not continued or repeated until a continuous coating is formed on the sheet.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Claims (7)

  1. Procédé pour enlever de la charpie, des cheveux, et d'autre matière particulaire d'un tissu, comprenant :
    (a) la préparation d'une composition adhésive pulvérisable dans un récipient aérosol équipé d'une soupape, ladite composition comprenant une résine filmogène adhésive en mélange avec un agent d'adhésivité ou un plastifiant et un agent de propulsion aérosol dans lequel ladite résine est soluble ou dispersible, ledit agent de propulsion ayant une pression de vapeur de 169 kPa (10 psig) ou plus à 21 °C (70 °F) ;
    (b) la pulvérisation de ladite composition dudit récipient sur un matériau en feuille flexible qui a une surface ne se délitant essentiellement pas pour recevoir la pulvérisation, ladite pulvérisation étant effectuée de façon à asperger ladite surface avec des globules adhérents adhésifs de la résine rendue adhésive ou plastifiée sans former un revêtement continu sur ladite surface ; et
    (c) dès que lesdits globules sont substantiellement exempts dudit agent de propulsion, la mise en contact de la surface pulvérisée du matériau en feuille sur le tissu dont on doit enlever la matière particulaire.
  2. Procédé selon la revendication 1, dans lequel ladite résine est un polymère ou copolymère acrylique.
  3. Procédé selon la revendication 1 ou la revendication 2, dans lequel ledit agent de propulsion est de l'éther diméthylique.
  4. Procédé selon la revendication 1 ou la revendication 2, dans lequel ledit agent de propulsion est un mélange d'éther diméthylique et d'un agent de propulsion hydrocarboné.
  5. Procédé selon la revendication 1 ou la revendication 2, dans lequel ledit agent de propulsion est un mélange d'éther diméthylique et de n-butane.
  6. Procédé selon la revendication 1, dans lequel ladite pulvérisation est effectuée en environ 1 à 5 seconde(s) par pied carré d'aire pulvérisée, et dans lequel ledit matériau en feuille est mis en contact avec ledit vêtement en moins de 30 secondes après la formation desdits globules sur celui-ci.
  7. Procédé selon les revendications 1 ou 3 à 6, dans lequel ladite composition est essentiellement anhydre, ladite résine est un polymère acrylique, ledit agent d'adhésivité ou plastifiant est une résine acrylique modifiée, et ledit agent de propulsion est de l'éther diméthylique.
EP19900119762 1989-10-16 1990-10-15 Méthode pour éliminer des particules d'un tissu Expired - Lifetime EP0427968B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US07/421,961 US5089160A (en) 1989-10-16 1989-10-16 Aerosol preparations for removing lint, hair and other particulate matter from fabric
US421641 1989-10-16
US421961 1989-10-16
US07/421,641 US4990192A (en) 1989-10-16 1989-10-16 Method of removing lint, hair and other particulate matter from fabric

Publications (3)

Publication Number Publication Date
EP0427968A2 EP0427968A2 (fr) 1991-05-22
EP0427968A3 EP0427968A3 (en) 1992-10-14
EP0427968B1 true EP0427968B1 (fr) 1994-08-17

Family

ID=27025317

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900119762 Expired - Lifetime EP0427968B1 (fr) 1989-10-16 1990-10-15 Méthode pour éliminer des particules d'un tissu

Country Status (5)

Country Link
EP (1) EP0427968B1 (fr)
AU (1) AU625721B2 (fr)
CA (1) CA2026891A1 (fr)
DE (1) DE69011624T2 (fr)
IE (1) IE903690A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2316632A (en) * 1996-08-28 1998-03-04 Kenneth Berry Computer mouse cleaning tool
CN112170384B (zh) * 2020-08-26 2022-05-13 广东省电子技术研究所 一种粘附有树脂的钢板的清洗设备

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2759860A (en) * 1953-09-14 1956-08-21 John L Pallos Lint removing process
US3208093A (en) * 1960-05-31 1965-09-28 Fred M Greider Tack cloth coated with plasticized synthetic resin and method for preparing same

Also Published As

Publication number Publication date
EP0427968A2 (fr) 1991-05-22
DE69011624T2 (de) 1994-11-24
DE69011624D1 (de) 1994-09-22
CA2026891A1 (fr) 1991-04-17
IE903690A1 (en) 1991-04-24
AU6465590A (en) 1991-04-18
EP0427968A3 (en) 1992-10-14
AU625721B2 (en) 1992-07-16

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