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WO2006067439A1 - Procédé de désinfection d'articles textiles au cours de leur lavage et préparation pour lavage - Google Patents

Procédé de désinfection d'articles textiles au cours de leur lavage et préparation pour lavage Download PDF

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Publication number
WO2006067439A1
WO2006067439A1 PCT/GB2005/004971 GB2005004971W WO2006067439A1 WO 2006067439 A1 WO2006067439 A1 WO 2006067439A1 GB 2005004971 W GB2005004971 W GB 2005004971W WO 2006067439 A1 WO2006067439 A1 WO 2006067439A1
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WO
WIPO (PCT)
Prior art keywords
preparation
surfactant
terpene
laundry
oil
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.)
Ceased
Application number
PCT/GB2005/004971
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English (en)
Inventor
David James Dore
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.)
Quill International Industries PLC
Original Assignee
Quill International Industries PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Quill International Industries PLC filed Critical Quill International Industries PLC
Publication of WO2006067439A1 publication Critical patent/WO2006067439A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/48—Medical, disinfecting agents, disinfecting, antibacterial, germicidal or antimicrobial compositions
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/82—Compounds containing silicon
    • 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
    • C11D1/825—Mixtures of compounds all of which are non-ionic
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D11/00—Special methods for preparing compositions containing mixtures of detergents
    • C11D11/0082—Special methods for preparing compositions containing mixtures of detergents one or more of the detergent ingredients being in a liquefied state, e.g. slurry, paste or melt, and the process resulting in solid detergent particles such as granules, powders or beads
    • C11D11/0088—Special methods for preparing compositions containing mixtures of detergents one or more of the detergent ingredients being in a liquefied state, e.g. slurry, paste or melt, and the process resulting in solid detergent particles such as granules, powders or beads the liquefied ingredients being sprayed or adsorbed onto solid particles
    • 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
    • C11D3/18—Hydrocarbons
    • 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
    • C11D3/39—Organic or inorganic per-compounds
    • C11D3/3942—Inorganic per-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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/10—Objects to be cleaned
    • C11D2111/12—Soft surfaces, e.g. textile
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/40—Specific cleaning or washing processes
    • C11D2111/44—Multi-step processes

Definitions

  • the present invention relates to a method of disinfecting textile articles during laundering, particularly heavily soiled and biologically contaminated textile articles such as hospital linen, hospital workwear, meat-workers overalls and the like, and to a laundry preparation for use in said method.
  • 25 maximum temperature at which conventional bleaches such as sodium hypochlorite can be used within a washing process is 60 0 C if damage to the washed articles is to be limited.
  • a separate bleaching cycle must be carried out wherein a cooler water temperature is used. This prolongs the washing
  • thermal disinfection alone, i.e. the subjection of textile articles to an elevated temperature for a predetermined period of time, has been found not to work sufficiently effectively in vitro and especially in the case of spore forming bacteria.
  • Thermal disinfection of textile articles is only effective in a laundry process because the microbes present on the textile articles are subjected to the mechanical action of the washing process, which destroys some of them, and to the dilution of the washing process whereby they are physically washed out of the articles.
  • the rinse drain where used rinse water from the rinsing cycles is discharged. 5.
  • the press drain where water pressed out of washed textiles, for example by rollers or equivalent pressing mechanism, is discharged. Using standard bacterial culturing techniques, each of the water samples was used to seed nutrient media contained in two previously sterilized Petri dishes. One of these dishes was then incubated at 22 0 C for 72 hours whereas the other dish was incubated at 37 0 C for 48 hours. The number of colony forming units (CFU) were then counted for each dish. The results are as follows.
  • the object of the present invention is to provide a method of disinfecting textile articles during a laundry process and a laundry preparation for use in such a process which improves the biocidal efficacy of the laundering process and which eliminates the need to use hydrogen peroxide as a separate bleaching product. It is an additional object to provide a method of disinfecting textile articles in a laundering process which reduces the quantity of water required in the laundry process and which produces less potentially environmentally damaging waste water.
  • a method of disinfecting textile articles during laundering wherein at least one wash cycle is followed by at least one rinse cycle and at least one laundry preparation is used, the laundry preparations used collectively comprising a terpene, a heat-activated bleach, and a mixture of an anti-microbial agent and a surfactant or an oil.
  • the water is maintained at a temperature between 40 0 C and 80 0 C inclusive.
  • the water is maintained substantially at a temperature of 60 0 C.
  • a laundry preparation for use in the method according to the first aspect of the present invention comprising a heat-activated bleach and in which a terpene and a mixture of an anti-microbial agent and a surfactant or an oil have been dispersed.
  • the laundry preparation is in powder form and the liquid terpene and a liquid mixture of the anti-microbial agent and the surfactant or oil have been dispersed throughout the powder.
  • the laundry preparation is in liquid form and the liquid terpene and a liquid mixture of the anti-microbial agent and the surfactant or oil are dispersed therein.
  • the laundry preparation comprises two components, the first component, which may be in liquid or powder form, comprising the terpene and the heat-activated bleach is used during at least one wash cycle - to -
  • the second component comprising a liquid mixture of the antimicrobial preparation and said surfactant or oil is used during at least one rinse cycle.
  • the liquid mixture of the anti-microbial preparation and said surfactant or oil are used as a conditioner after the main laundering of the textiles has taken place.
  • the combination of the terpene and the heat-activated bleach produces excellent cleaning results on and stain removal from all forms of heavily soiled textile materials.
  • Conventional laundry powders saponify greases and oils by using a high pH washing liquor. This, in combination with an elevated washing temperature and the mechanical action of the washing machine, removes oil and grease soiling by turning it into a soap that is then dissolved in the water.
  • the terpene acts as a solvent to dissolve oil and grease soiling directly, the resulting solution then being dispersed and saponified within the washing liquor.
  • the laundry preparation contains up to 15% by weight a powdered detergent and up to 10% by weight a terpene.
  • a terpene may advantageously comprise d-limonene or dipentene or a mixture of d-limonene and dipentene, such as an equal mixture of d-limonene and dipentene.
  • Terpenes are oily liquids and the desired liquid terpene is added to the powdered ingredients of the preparation after they have been dry-blended.
  • the terpene is simply mixed into the blend to disperse the liquid into the dry powder ingredients.
  • the liquid terpene is sprayed into the blended powdered ingredients, which are then further blended to disperse the liquid.
  • the inclusion of the heat-activated bleach within the preparation means that the bleaching becomes more effective as the temperature of the washing water increases.
  • the preparation comprises between up to 10% by weight a heat-activated bleach such as sodium percarbonate or sodium perborate.
  • a heat-activated bleach such as sodium percarbonate or sodium perborate.
  • the water is maintained at between 40 0 C and 80 0 C inclusive but advantageously the water is maintained at around 60 0 C.
  • the heat-activated bleach is at its most effective and as the bleaching takes place during the washing cycle a separate bleaching cycle at a cooler water temperature is not required. It will be appreciated that the heat-activated bleach also acts as an anti-microbial agent.
  • the use of a temperature substantially lower than 80 0 C means that significant savings can be made in the energy that would otherwise be used on heating the washing water. It is also possible to reuse the final rinse water, mixed with fresh water, directly in a prewash or soak cycle for the next batch of washing without having to cool it. This significantly reduces costs and the consumption of water.
  • the lower temperature used in the method also has the significant advantage that thermal shock of the articles being washed can be more readily avoided.
  • the mixture of an anti-microbial agent, and a surfactant or an oil together form an homogeneous solution or dispersion.
  • the surfactant or oil tends to coat the surface of the textile material with a thin mono- molecular film within which dispersed pockets of the anti-microbial agent are held.
  • the anti-microbial agent acts directly to kills microbes present on the surface of the textile and the mono-molecular film acts as a sacrificial layer that retains the anti-microbial in position to prevent further contamination occurring until the layer has worn away. This is particularly important when dealing with spore-forming bacteria as any spores retained within the textile fibres will be coated by the mono-molecular film, as will the surrounding fibres.
  • the spore germinates in due course during use of the textile the anti-microbial dispersed within the mono-molecular layer will then act to kill the germinated cell.
  • the laundry preparation therefore has a residual effect on germinating spore activity and later microbial contamination which lasts for a significant time after laundering of the textile.
  • the combination of the terpene with the mixture of an anti-microbial agent, and a surfactant or an oil act in concert in two ways. First, the terpene dissolves dirt and coatings from around spores and bacteria in order that they can be acted on by the anti-microbial agent either or germination or directly.
  • spores tend to adhere to textile fibres via virtue of an outer sticky later formed around the outer coat of the spore.
  • the terpene dissolves this stick ⁇ ' coat and thereby makes the spore easier to wash out of the textile into the wash water where it can be completely coated by anti-microbial agent within the wash water.
  • the mono- molecular film also conditions the textile and tends to repel dirt to reduce resoiling or recontamination of the article.
  • the mixture of the anti-microbial agent and the surfactant or the oil dispersed within the powder contains the anti-microbial agent at less than 2% by weight.
  • the mixture of the anti-microbial agent and the surfactant or the oil dispersed within the powder contains the surfactant or the oil at less than 4% by volume.
  • the surfactant is a siloxane, particularly a polysiloxane and especially either polydimethylhydroxysiloxane or polydimethylsiloxane.
  • a particularly advantageous mixture of an anti-microbial agent, and a surfactant or an oil for use in the laundry preparation of the present invention comprises ioo ppm cocoalkylch ' methylbenzylammonium, ioo ppm dodecyldimethylammonium chloride, 6o ppm bronopol, 50 ppm polymeric biguanide hydrochloride, and 180 ppm ethanol in water containing 1% by volume polydimethylhydroxysiloxane or polydimethylsiloxane.
  • a 0.5% solution of an anti-microbial agent and a surfactant in water is dispersed within the powdered constituents of the laundry preparation at a rate of 2 litres per 500 kg of powder.
  • the anti-microbial agent is present in the laundry preparation a quantities of less than 0.01% by weight.
  • Such tiny quantities of anti-microbial agent are far lower than would otherwise be expected to produce the results detailed above.
  • the impact of waste water from the laundry process is not environmentally damaging because both the quantity of anti-microbial agent discharged in the water is very small and the harmful microbes contained within it are by and large destroyed. Hence additional heat treatment of the waste water to kill any surviving microbes is not necessary.
  • the anti-microbial agent used can be chosen according to the type of microbes that it is expected to encounter in the laundry process. Typically, therefore, the anti-microbial agent comprises at least one agent selected from amphoteric compounds, iodophores, phenolic compounds, quaternary ammonium compounds, hypochlorites and nitrogen based heterocyclic compounds.
  • Particularly preferred quaternary ammonium compounds include benzenethanaminiumn N-dodecyl-N, N-dimethylchloride, benzenethanaminiumn N-dodecyl-N, N-dimethyl-N-tetradecylchloride and benzyl-Ci2-C16-alkyldimethyl-ammoniumchloride.
  • Amphoteric compounds suitable for use as the anti-microbial agent include dodecyl beta-alanine, dodecyl beta-aminobutyric acid, dodecylamino-di (aminoethylamino) glycine and N (3-dodecylamino) propylglycine.
  • iodophores complexes of iodine or triodine with a carrier, such as a neutral polymer.
  • the carrier typically increases the solubility of iodine in water, provides a sustained release of the iodine and reduces the equilibrium concentrations of free iodine.
  • Suitable polymeric carriers from which iodophores can be prepared include polyvinylpyrrolidone., polyether glycols such as polyethylene glycols, polyvinyl alcohols, polyacrylates, polyamides, polyalkylenes and polysaccharides.
  • Suitable phenolic compounds include methyl, ethyl, butyl, halo and aryl substituted phenol.
  • Preferred phenolic compounds include 2- phenylphenol, 2-benzyl-4-chlorophenol, 2-cyclopentanol-4-chlorophenol, 4- t-amylphenol, 4-t-butylphenol, 4-chloro-2-pentylphenol, 6-chloro-2- pentylphenol, p chloro-meta-xylenol, 2,4,4-trichloro-2-hydroxydiphenol, thymol, 2-ipropyl-3-methylphenol, chlorothymol, 3-methyl-4-chlorophenol, 2,6dichloro-4-n-alkyl phenols, 2,4-dichloro-meta-xylenol, 2, 4, 6- trichlorophenol and 2-benzyl-4-chlorophenol.
  • Suitable hypochlorites include chlorine dioxide and its precursors, as well as N, N-dichloro-4-carboxybenzenesulponamide (halazone), 1,3- dichloro5,5-dimethylhydantoin (halane) and various chloroisocyanuric acid derivatives.
  • Suitable nitrogen based heterocyclic compounds include pyridine derivatives, such as 4-pyridine carboxylic acid hydrazide, sodium 2pyridinethiol-l-oxide and bis- (2-pyridylthio) zinc-i, I-dioxide.
  • the anti-microbial agent is selected from benzenethanaminiumn N-dodecyl-N, N- dimethylchloride, benzenethanaminiumn N-dodecyl-N-N-dimethyl-Ntetradecylchloride, benzyl-Cte-Cl ⁇ -alkyldimethyl-ammoniumchloride, 2phenyl phenol, 2-octyl- 2H-isothiazol-3-one, 5-chloro-2-methyl-2H isothiazol-3-one and 2-methyl- 2H-isothiazol-3-one.
  • the outer coat of spores is made of a keratin-like protein which comprises as much as 80% by weight of the total protein of the spore. It is this protein coat which is responsible for the resistance of spores to chemical sterilizing agents.
  • certain compounds can cause dormant bacterial spores to germinate and to convert into vegetative cells. When in this state, the vegetative cell can be killed by conventional antimicrobial agents.
  • the laundry preparation additionally comprises a spore germinating agent, typically at less than 0.1% by weight.
  • the spore germinating agent comprises at least one of L-alanine, L-arginine, L-phenylalanine, glutamic acid, inosine, sucrose, lactose, adenosine dLvaline, dL-cysteine, tyrosine, lactate, malate, guanine, methione, priopionate, formate, C02 I xanthosine, mannose, adenine, fumarate, oxaloacetate, quaternary ammonium compounds, dipicolinic acid, phosphate, and cobalt.
  • the spore germinating agent comprises L-alanine because it acts over a wide spectrum of spore types.
  • the spore germinating agent can be added to the laundry preparation in several ways. If it is solid, such as a powder, it can be simply mixed into the other powdered constituents. Alternatively, it can be added as an aqueous solution or dispersion and diffused throughout the powder by adequate mixing.
  • the spore germinating agent will start to act in the main wash as soon as the laundry preparation has been added to the water in the drum of the machine.
  • a main wash cycle lasts for up to twelve minutes, which is sufficient time for the spore germinating agent to act to cause germination of a substantial number of the spores on the textiles being washed and within the washing water. These can then be killed by the antimicrobial agent within the laundry preparation.
  • the laundry preparation comprises a degreasing emulsifier detergent such as, for example, nonyl phenol ethoxylate.
  • the degreasing emulsifier detergent may comprise an alcohol ethoxylate.
  • the other ingredients of the powder preparation preferably comprise up to 70% by weight inorganic salts.
  • the preparation may comprise up to 33% by weight sodium carbonate and up to 40% sodium chloride.
  • the sodium carbonate acts in known manner as a water softener and provides alkalinity when dissolved in the washing water.
  • the sodium chloride is believed to act as a synergistic ionic accelerator which improves the action of the other ingredients.
  • a builder, such as sodium tripolyphosphate, may also be added at up to 25% by weight.
  • a free-flow agent such as sodium carboxymethylcellulose may also be added to the preparation.
  • ingredients may be added to the preparation to produce particular effects.
  • Such ingredients comprise optical brightening agents, enzymes, bleaches, biocides, flame-retardant compounds, dirt repellents, and perfumes.
  • the preparation is manufactured by dry blending the powdered ingredients and by adding into the dry mix the liquid terpene component and the liquid anti-microbial agent and surfactant.
  • the liquid constituents are preferably sprayed and mixed in to disperse the liquids throughout the dry powder ingredients.
  • the proportions of the ingredients set forth in the examples are percentages by weight.
  • Polysiloxane with trace antimicrobial agent as described above 0.2% The above formulations can all be adjusted slightly to take into account the addition, in small quantities, of the additional ingredients such as optical brighteners, blue speckles, perfumes and other common additives to washing powders, for example by adjusting the proportion of sodium chloride in the composition.
  • Low Dip This refers to the level to which drum is filled with water. If a 'Low Dip' is used, the water level is relatively low so that the actual volume of water used is lower resulting in a higher concentration of any chemical additions thereto than with a 'High Dip' function and also a greater mechanical action on the articles when the drum is rotated during washing and rinsing functions.
  • High Dip This also refers to the level to which drum is filled with water. If a 'High Dip' is used, the water level is higher than that in the 'Low Dip' level so that the actual volume of water used is greater resulting in a lower concentration of any chemical additions thereto than with a 'Low Dip' function and also a lower mechanical action on the articles when the drum is rotated during washing and rinsing functions.
  • Med Dip This is an abbreviation for 'Medium Dip' and again refers to the level to which drum is filled with water. If a 'Med Dip' is used, the water level is higher than that in the 'Low Dip' level but greater than that in the 'High Dip' level with concomitant effects on the mechanical action and concentration of the chemical additions.
  • Chemical Additions comprise the laundry preparations that are used in the washing and rinsing functions.
  • the preparation is as defined herein in accordance with the invention.
  • the detergents used are conventional industrial washing powders, which generally do not contain any significant terpene, heat-activated bleach or anti-microbial content.
  • Other preparations comprise conventional laundry bleaches, such as hydrogen peroxide and conventional alkalinity neutralizers, named 'sour' in the trade. In both cases, the quantities stated are per kg of articles to be laundered.
  • the laundry preparation and method according to the invention are particularly effective in the washing of heavily biologically soiled textiles at a temperature, 6o°C, which is considerably lower than the 80 0 C conventionally used for such articles.
  • a maximum of only two wash cycles is carried out so that at least one complete wash cycle is omitted as compared to conventional methods. It will be appreciated that this is a considerable advantage to commercial laundries in particular because it means that they can achieve the same cleaning efficiency in a much shorter time and without having to heat the large quantities of water required for at least one wash cycle. The cost is therefore considerably reduced.
  • the rinsing water is substantially ph neutral, i.e. ph 7, unlike many conventional laundry powders which tend to be still alkaline at this stage, typically between pH 8 and pH 9.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Detergent Compositions (AREA)

Abstract

La présente invention décrit un procédé de désinfection d'articles textiles au cours de leur lavage, durant lequel un cycle de lavage est suivi par au moins un cycle de rinçage, et au cours duquel au moins une préparation pour lavage est employée. La préparation pour lavage comprend l'ensemble des éléments suivants : un terpène, un agent blanchissant activé par la chaleur, et un mélange d'un agent antimicrobien et d'un tensioactif ou d'une huile. Préférentiellement, la température de l'eau au cours du cycle de lavage est maintenue entre 40 °C et 80 °C inclus, et plus préférentiellement à 60 °C.
PCT/GB2005/004971 2004-12-23 2005-12-21 Procédé de désinfection d'articles textiles au cours de leur lavage et préparation pour lavage Ceased WO2006067439A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0428202.6 2004-12-23
GBGB0428202.6A GB0428202D0 (en) 2004-12-23 2004-12-23 A method of disinfecting textile articles during laundering and a laundry preparation for use in said method

Publications (1)

Publication Number Publication Date
WO2006067439A1 true WO2006067439A1 (fr) 2006-06-29

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PCT/GB2005/004971 Ceased WO2006067439A1 (fr) 2004-12-23 2005-12-21 Procédé de désinfection d'articles textiles au cours de leur lavage et préparation pour lavage

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WO (1) WO2006067439A1 (fr)

Cited By (6)

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WO2011116775A3 (fr) * 2010-03-26 2012-03-08 Liquid Vanity Aps Détergent de lessive
WO2016081132A1 (fr) * 2014-11-17 2016-05-26 Ecolab Usa Inc. Compositions détergentes liquides
WO2016100062A1 (fr) * 2014-12-16 2016-06-23 Washing Systems, Llc Procédé pour obtenir un textile hygiéniquement propre
US10081781B2 (en) 2015-08-21 2018-09-25 Ecolab Usa Inc. Pyrithione preservative system in solid rinse aid products
GB2561929A (en) * 2017-07-27 2018-10-31 Univ Plymouth The effect of mandelate and lactate on spore germination
CN109792952A (zh) * 2017-11-17 2019-05-24 广西壮族自治区农业科学院花卉研究所 一种植物种子的灭菌方法及蒲包花播种培育的方法

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WO2011116775A3 (fr) * 2010-03-26 2012-03-08 Liquid Vanity Aps Détergent de lessive
US9719057B2 (en) 2010-03-26 2017-08-01 Liquid Vanity Aps Laundry detergent
WO2016081132A1 (fr) * 2014-11-17 2016-05-26 Ecolab Usa Inc. Compositions détergentes liquides
WO2016100062A1 (fr) * 2014-12-16 2016-06-23 Washing Systems, Llc Procédé pour obtenir un textile hygiéniquement propre
US10865363B2 (en) 2015-08-21 2020-12-15 Ecolab Usa Inc. Pyrithione preservative system in solid rinse aid products
US10781403B2 (en) 2015-08-21 2020-09-22 Ecolab Usa Inc. Pyrithione preservative system in solid rinse aid products
US10081781B2 (en) 2015-08-21 2018-09-25 Ecolab Usa Inc. Pyrithione preservative system in solid rinse aid products
US11312925B2 (en) 2015-08-21 2022-04-26 Ecolab Usa Inc. Pyrithione preservative system and C1-C12 ethoxylated alcohol in hard surface cleaning products
US11680229B2 (en) 2015-08-21 2023-06-20 Ecolab Usa Inc. Pyrithione preservative system and C1-C12 ethoxylated alcohol in solid rinse aid compositions
GB2561929A (en) * 2017-07-27 2018-10-31 Univ Plymouth The effect of mandelate and lactate on spore germination
GB2561929B (en) * 2017-07-27 2019-07-03 Univ Plymouth The effect of mandelate and lactate on spore germination
CN109792952A (zh) * 2017-11-17 2019-05-24 广西壮族自治区农业科学院花卉研究所 一种植物种子的灭菌方法及蒲包花播种培育的方法
CN109792952B (zh) * 2017-11-17 2021-12-10 广西壮族自治区农业科学院花卉研究所 一种蒲包花播种培育的方法

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