WO2024133097A1 - Compositions d'adjuvant de rinçage liquide - Google Patents

Compositions d'adjuvant de rinçage liquide Download PDF

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Publication number
WO2024133097A1
WO2024133097A1 PCT/EP2023/086386 EP2023086386W WO2024133097A1 WO 2024133097 A1 WO2024133097 A1 WO 2024133097A1 EP 2023086386 W EP2023086386 W EP 2023086386W WO 2024133097 A1 WO2024133097 A1 WO 2024133097A1
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WO
WIPO (PCT)
Prior art keywords
rinse aid
liquid rinse
aid composition
composition
liquid
Prior art date
Application number
PCT/EP2023/086386
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English (en)
Inventor
Souhila AISSANI
Helena BAIERLE
Andrea DIAZ PAPA
Vukoslava MISKOV-PAJIC
Original Assignee
Reckitt Benckiser Finish B.V.
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
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Application filed by Reckitt Benckiser Finish B.V. filed Critical Reckitt Benckiser Finish B.V.
Publication of WO2024133097A1 publication Critical patent/WO2024133097A1/fr

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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
    • 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
    • C11D2111/14—Hard surfaces
    • 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
    • C11D2111/14—Hard surfaces
    • C11D2111/18—Glass; Plastics
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/0005—Other compounding ingredients characterised by their effect
    • C11D3/0084—Antioxidants; Free-radical scavengers
    • 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
    • C11D3/2075—Carboxylic acids-salts thereof
    • C11D3/2079—Monocarboxylic acids-salts thereof
    • 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
    • C11D3/2075—Carboxylic acids-salts thereof
    • C11D3/2086—Hydroxy carboxylic acids-salts thereof

Definitions

  • Liquid compositions comprising 80% w/w to 95% w/w isotridecanol ethoxylated alcohol having 5 to 10 ethoxy groups are disclosed.
  • the liquid compositions provide improved drying for plastic items when used as a rinse aid in a standard automatic dishwashing process or the rinse and shine step of an autodose dishwashing process.
  • Rinse aid products aim to improve the drying of dishware items in the dishwasher.
  • Standard rinse aid formulations are dosed in the rinse aid chamber and dispensed in the final rinse of the dishwashing cycle.
  • Rinse aid formulations may also be used in the rinse and shine step of an autodose dishwashing process, such as that disclosed in PCT Pat App Pub No W02016/020680 to Reckitt Benckiser (Brands) Limited, the contents of which are incorporated by reference herein in its entirety.
  • Example 1 of European published patent application EP1543763 to Unilever discloses 35-40 g Polytergent SLF18B45 packaged in a perforated sachet provides steady release over multiple dishwashing cycles.
  • rinse aid compositions comprising 50% LutensolTM TO7 in combination with polyoxyalkylene siloxane surfactants, low cloud point non-ionic surfactants, and/or fatty alcohol alkoxylated non-ionic surfactants.
  • PCT Pat App Pub No WO2016/187293 to Ecolab USA Inc. discloses surfactant systems and compositions incorporating the same for use as rinse aids on plastics and other wares.
  • Run 1 in Table 9 discloses that 8.75 inches of foam is initially formed during a 5-minute run time of the Glewwe foam evaluation test by 100% Surfactant B.
  • Page 53, lines 11-12 notes that single surfactants with greater than 8 inches of foam after the five minute initial reading are considered as excessive foam for the application.
  • liquid compositions comprising 80% w/w to 95% w/w isotridecanol ethoxylated alcohol having 5 to 10 ethoxy groups.
  • the disclosed liquid compositions may comprise one or more of the following aspects:
  • liquid composition further comprising water
  • liquid composition further comprising deionized water
  • liquid composition further comprising distilled water
  • liquid composition further comprising 5% w/w to 20% w/w water
  • liquid composition further comprising 5% w/w to 20% w/w deionized water
  • liquid composition further comprising 5% w/w to 20% w/w distilled water
  • liquid composition being substantially free of a suds suppressor
  • liquid composition being substantially free of a second nonionic surfactant
  • liquid composition being substantially free of a polyalkylene siloxane surfactant
  • liquid composition being substantially free of a second alkoxylated alcohol surfactant
  • liquid composition being substantially free of a dye; • the liquid composition further comprising a dye;
  • liquid composition further comprising an oxidizable dye
  • liquid composition further comprising 0.05% w/w to 0.5% w/w of an antioxidant
  • liquid composition further comprising 0.1 % w/w to 0.4% w/w of an antioxidant
  • liquid composition further comprising 0.2% w/w to 0.3% w/w of an antioxidant
  • the antioxidant being selected from the group consisting of citric acid, benzoic acid, ascorbic acid, phenol compounds, and combinations thereof;
  • phenol compounds being selected from the group consisting of butoxyhydroxytoluene, butoxyhydroxyanisole, and combinations thereof;
  • liquid composition further comprising 0.05% w/w to 0.5% w/w of an organic acid
  • liquid composition further comprising 0.1 % w/w to 0.4% w/w of an organic acid
  • liquid composition further comprising 0.2% w/w to 0.3% w/w of an organic acid
  • organic acid being selected from the group consisting of sorbic acid, citric acid, benzoic acid, and combinations thereof;
  • organic acid being selected from the group consisting of sorbic acid, benzoic acid, and combinations thereof;
  • liquid composition being substantially free of builders; • the liquid composition being substantially free of anti-corrosion agents;
  • liquid composition further comprising a material care agent
  • the material care agent being zinc acetate dihydrate, a polymer, BTA, or combinations thereof;
  • the material care agent being a polymer
  • the polymer being a pH independent cationic polymer with at least one quaternary group
  • pH independent cationic polymer being N,N’-bis[3-(dimethylamino)propyl]- urea polymer with 1 ,1’-oxybis[2-chloroethane] sold under the tradename LugalvanTM P by BASF;
  • liquid composition further comprising approximately 0.01 % w/w to approximately 0.1 % w/w polymer
  • liquid composition further comprising 0.01 % w/w to 0.1 % w/w polymer
  • liquid composition further comprising approximately 0.03% w/w to approximately 0.07% w/w polymer
  • liquid composition further comprising 0.03% w/w to 0.07% w/w polymer
  • liquid composition further comprising a preservative
  • the preservative being potassium sorbate, 5-chloro-2-methyl-4-isothiazolin-3- one, 2-methyl-4-isothiazolin-3-one, or any combination thereof;
  • the preservative being 5-chloro-2-methyl-4-isothiazolin-3-one, 2-methyl-4- isothiazolin-3-one, or any combination thereof;
  • liquid composition being substantially free of antimicrobial agents
  • liquid composition being substantially free of probiotic bacteria
  • liquid composition being substantially free of metal and/or metal-oxide nanoparticles
  • liquid composition being substantially free of fragrance; • the liquid composition further comprising a fragrance;
  • liquid composition having a viscosity ranging from 90 mPa sec to 120 mPa sec as measured at 23°C using a Anton Paar Physica MCR 301 Modular Compact Rheometer at shear rate of 100 s _1 ;
  • liquid composition being an automatic dish rinse composition.
  • any of the liquid compositions disclosed above are introduced into the dishwashing machine during the rinse cycle or the rinse and shine cycle.
  • the disclosed methods may include one or more of the following aspects:
  • the hard surface being glass, ceramic, porcelain, plastic, stainless steel, or any combination thereof;
  • FIG 1 is a chemical structure of the isotridecanol ethoxylated alcohol used herein.
  • the surfactant mixture consisting essentially of the two non-ionic surfactants excludes any additional surfactants but may further include preservatives, impurities or solvents, such as water, lower C1-C4 alcohols, glycols, or glycol ethers;
  • the w/w percent of an ingredient is based on the weight of the ingredient in milligrams or grams in the total weight of the formulation in the same units;
  • a pH ranging from 3.5 to 7 would include formulations having a pH of 3.5, formulations having a pH of 7, and formulations having any pH between 3.5 and 7; • the phrase “substantially free” means a concentration of less than 0.2 g/L, preferably less than 0.1 g/L, more preferably less than 0.05 g/L, and most preferably 0.001 g/L;
  • EO refers to a repeating ethoxy group, also known as an ethylene oxide or oxirane group, represented by the formula -(O-CH2-CH2)-;
  • Liquid compositions comprising 80% w/w to 95% w/w isotridecanol ethoxylated alcohol having 5 to 10 ethoxy groups, preferably 6 to 9 ethoxy group, more preferably 7 to 8 ethoxy groups.
  • Lower viscosity compositions are obtained from isotridecanol ethoxylated alcohols having 5 to 7 ethoxy groups.
  • Higher viscosity compositions are obtained from isotridecanol ethoxylated alcohols having 8 to 10 ethoxy groups.
  • LutensolTM TO 7 is RO(CH2CH2O)?H
  • liquid rinse aid compositions are suitable for use as liquid rinse aid compositions.
  • the disclosed rinse aid compositions comprising isotridecanol ethoxylated alcohol with 7 or 8 ethoxy groups provide superior drying of plasticware when used as a rinse aid as compared to other nonionic surfactants, including analogs with 3 ethoxy groups.
  • the liquid compositions further comprise water.
  • the water may be deionised water; distilled water; or water purified by reverse osmosis, carbon filtration, microfiltration, ultrafiltration, ultraviolet oxidation, electrodialysis, or combinations thereof; or combinations thereof.
  • the water preferably has a conductivity below 50 pSm at 25°C, preferably ranging from 0.5 to 2 pSm.
  • the liquid composition comprises 5% w/w to 20% w/w water, preferably 5% w/w to 10% w/w.
  • the concentrated liquid rinse aid may be formulated by adding water to the isotridecanol ethoxylated alcohol having 5 to 10 ethoxy groups and mixing until uniform.
  • isotridecanol ethoxylated alcohol having 5 to 10 ethoxy groups may be added to water and mixed until uniform. Synthesis may occur in one container without the need for any heating.
  • the resulting concentrated liquid rinse aid formulation is a transparent or translucid single-phase solution. Synthesis of a single-phase solution is quicker and easier than synthesis of emulsions or suspensions. Stability is also easier to maintain for single-phase solutions than for alternative liquid formulations. Mixing the disclosed liquid rinse aid formulation with rinse water occurs more quickly than mixing a concentrated powder or tablet formulation with rinse water.
  • the liquid rinse aid compositions comprise water and isotridecanol ethoxylated alcohol having 5 to 10 ethoxy groups, preferably 7 or 8 ethoxy groups.
  • the liquid rinse aid compositions consist essentially of water and isotridecanol ethoxylated alcohol having 5 to 10 ethoxy groups, preferably 7 or 8 ethoxy groups.
  • the liquid rinse aid compositions consist of water and isotridecanol ethoxylated alcohol having 5 to 10 ethoxy groups, preferably 7 or 8 ethoxy groups.
  • the composition has a viscosity ranging from 90 mPa sec to 120 mPa sec as measured at 23°C using an Anton Paar Physica MCR 301 Modular Compact Rheometer at shear rate of 100 s’ 1 .
  • the liquid compositions do not exhibit excessive amounts of stable foam or cause machine pump cavitation.
  • the disclosed liquid rinse aid compositions are substantially free of a second nonionic surfactant and/or a suds suppressor. More particularly, the disclosed liquid rinse aid compositions are substantially free of a polyalkylene siloxane surfactant and/or a second alkoxylated alcohol surfactant.
  • compositions may also be substantially free of dye and/or fragrance.
  • the disclosed compositions may further comprise a dye and/or fragrance to render the composition more pleasing to the consumer.
  • oxidizable dyes fade over time in the disclosed compositions.
  • the disclosed compositions may further comprise an antioxidant.
  • the optional antioxidant may be included in the disclosed compositions in amounts ranging from 0.05% w/w to 0.5% w/w, preferably 0.1 % w/w to 0.4% w/w of an antioxidant, and more preferably 0.2% w/w to 0.3% w/w.
  • Exemplary antioxidants include citric acid, benzoic acid, ascorbic acid, phenol compounds, or combinations thereof.
  • the phenol compounds may be butoxyhydroxytoluene, butoxyhydroxyanisole, or combinations.
  • organic acids are particularly preferred antioxidants.
  • the organic acids may also provide other benefits, such as improved shine, reduced spotting, and/or acting as preservative.
  • the optional organic acid may be included in the disclosed compositions in amounts ranging from 0.05% w/w to 0.5% w/w, preferably 0.1 % w/w to 0.4% w/w of an antioxidant, and more preferably 0.2% w/w to 0.3% w/w.
  • Suitable organic acids include, but are not limited to, sorbic acid, citric acid, benzoic acid, or combinations thereof.
  • Exemplary organic acids having one -COOH group suitable for use as antioxidants include sorbic acid, benzoic acid, or combinations thereof.
  • Suitable organic acids having three -COOH groups suitable for use in the disclosed compositions include citric acid.
  • compositions comprise an organic acid antioxidant
  • the disclosed compositions may be substantially free of other preservatives, such as potassium sorbate, 5-chloro-2-methyl-4-isothiazolin-3-one, 2-methyl-4- isothiazolin-3-one, or any combination thereof.
  • compositions may further comprise preservatives, such as potassium sorbate, 5- chloro-2-methyl-4-isothiazolin-3-one, 2-methyl-4-isothiazolin-3-one, or any combination thereof.
  • preservatives such as potassium sorbate, 5- chloro-2-methyl-4-isothiazolin-3-one, 2-methyl-4-isothiazolin-3-one, or any combination thereof.
  • compositions may be substantially free of anti-corrosion agents, such as a zinc salt, polyquaternium polymer, benzotriazole (BTA), bis- benzotriazole, tolyltriazole, or combinations thereof.
  • anti-corrosion agents such as a zinc salt, polyquaternium polymer, benzotriazole (BTA), bis- benzotriazole, tolyltriazole, or combinations thereof.
  • compositions may further comprise material care agents, such as zinc acetate dihydrate, a polymer, BTA, bis-benzotriazole, tolyltriazole, or combinations thereof.
  • material care polymers include pH independent cationic polymers with at least one quaternary group.
  • compositions may optionally comprise 0.01 % w/w to 0.1 % w/w polymer, preferably 0.03% w/w to 0.07% w/w polymer.
  • the disclosed liquid compositions are substantially free of any sanitizing or antimicrobial agents.
  • the dishwashing detergent as well as the temperature of the dishwashing process removes the need for any further sanitization or whitening during the rinse cycle or rinse and shine step of an autodose dishwashing process.
  • the disclosed liquid compositions are substantially free of bleaching agents, such as hydrogen peroxide, percarboxylic acids, TAED, manganese salt catalyst, or combinations thereof.
  • the disclosed liquid compositions are utilized during the rinse cycle or the rinse and shine step, the disclosed liquid compositions are substantially free of enzymes or monocarboxylic acids used to break down organic molecules and loosen particles on the dishware, such as proteases, lipases, amylases, cellulases, pectinases, laccases, catalases, oxidases, or combinations thereof.
  • enzymes or monocarboxylic acids used to break down organic molecules and loosen particles on the dishware, such as proteases, lipases, amylases, cellulases, pectinases, laccases, catalases, oxidases, or combinations thereof.
  • compositions are also substantially free of an organic solvent, such as an alcohol or propylene glycol.
  • compositions are also substantially free of builders, such as sodium tripolyphosphate (STPP), sodium citrate, sodium iminodisuccinate, sodium hydroxyiminodisuccinate, methylglycine diacetic acid sodium salt MGDA), and glutamic diacetic acid sodium salt (GLDA), and combinations thereof.
  • STPP sodium tripolyphosphate
  • MGDA sodium iminodisuccinate
  • GLDA glutamic diacetic acid sodium salt
  • compositions are also substantially free of probiotic bacteria, such as Bacillus megaterium, Bacillus amyloliqueiaciens, Bacillus subtillis, and Bacillus pumilus, and combinations thereof.
  • probiotic bacteria such as Bacillus megaterium, Bacillus amyloliqueiaciens, Bacillus subtillis, and Bacillus pumilus, and combinations thereof.
  • the disclosed compositions are also substantially free of metal and/or metal- oxide nanoparticles.
  • any of the formulations disclosed above are introduced into the dishwashing machine during the rinse cycle or the rinse and shine cycle. Between 0.75 g and 3 g of the formulations are introduced, preferably between 0.8 g and 2 g, and more preferably between 1 g and 1 ,5g.
  • the temperature of the rinse cycle may range from 55°C (131 °F) to 88°C (190°F). Alternatively, the temperature of the rinse cycle may range from 60°C (140°F) to 70°C (185°F).
  • the hard surface may be glass, ceramic, cutlery, porcelain, plastic, stainless steel, or any combination thereof.
  • the hard surfaces When the disclosed liquid compositions are used in the rinse cycle of a dishwasher, the hard surfaces have between 0 and 9 droplets of water. This is less water droplets remaining on hard surfaces at the end of the dishwashing cycle as compared to the commercial formulations in the examples. When the disclosed liquid compositions are used in the rinse cycle of a dishwasher, the hard surfaces have less spotting at the end of the dishwashing cycle as compared to the commercial formulations in the examples.
  • Drying performance testing was performed using 400 mg of six (6) different nonionic surfactants: a water-soluble polyether siloxane sold by Evonik under the tradename RewocareTM BDS 15 (hereinafter “BDS”); RO(C2H4O)xH, wherein R is iso-CisH27 and x is 2.5 sold by Sasol under the tradename MarlipalTM 013/30 (hereinafter “EO2.5”); a C12-15 fatty alcohol EO/PO surfactant sold by BASF under the tradename PlurafacTM LF400 (hereinafter “LF400”); a glucamide sold by under the tradename Glucamide OL RM (hereinafter “OL”); RO(C2H42O)xH, wherein R is iso-CisH27 and x is 7 sold by BASF under the tradename LutensolTM TO7 (hereinafter “EO7”); and RO(C2H4O)xH, wherein R is iso-CisH27 and x is
  • ballast soil was added.
  • the ballast soil composition is based on a publication by Hubbuch et al., Amount and composition of soils in German dishwashers. Composition to standard test method. SOFW Journal - Seifen Ole Fette Wachse, 125, 14-20, 1999. A commercially available US based automatic dishwashing detergent was used for the wash cycle. The dishwasher was opened and the surfactants were manually added using a pipette at the beginning of the final rinse step when the temperature was between 50°C and 55°C.
  • the drying index was determined 30 minutes after the end of the complete dishwashing program. The door of the dishwasher was kept closed during these 30 minutes. The maximum score for ideal drying is 1 , the worst score is 0. The reported values represent the average of three trials. The results are provided in Table 1 :
  • Example 2 The drying performance testing of Example 1 was repeated with 900 mg of EO7 and EO 8. The results for both the 400 mg and 900 mg doses are provided in Table 2:
  • Table 2 further demonstrates that the additional EO group on TO8 as compared to EO7 did not have a big impact on drying performance.
  • Example 4 - Formulation E07 was combined with water to reduce the viscosity of the formulation.
  • EO7 is listed as insoluble in water.
  • a clear, stable solution was obtained with 90% w/w EO7 and 10% w/w water.
  • the viscosity of EO8 is higher than that of EO7. But EO8 is more soluble in water than EO7, so higher concentrations of water may be used to reach the desired viscosity of a rinse aid formulation.
  • a blue dye is added to the rinse aid formulation to mimic the appearance of water. Applicant was surprised when the color of the blue dye in the 90% EO7 and 10% water formulation completely faded to translucent after 1 week of stability at 50°C. Applicant believes this may be due to the high concentration of surfactant reacting with oxygen from air and forming radical hydrogen peroxide species. These bleach-like species may react with molecules of the blue dye used, leading to lack of color.
  • Applicant added a small amount of citric acid to the formula to quench the radicals formed, essentially acting as an antioxidant. Applicant believes that other antioxidants may function equally well in the formulation.
  • Example 1 The drying performance testing of Example 1 was repeated on either 1 g or 1.5 g of the final formulation having 90% w/w EO7, 9.797% w/w H2O, 0.2% w/w citric acid, and 0.003% w/w acid blue 9 dye. The performance was compared to commercially available EU and US detergents either alone, or with commercially available rinse aids.
  • the commercially available EU rinse aid contained 3% w/w sodium cumene sulfonate, 0.1 % w/w potassium sorbate, 0.0027% w/w 5-chloro-2methyl- isothiazol-3-one, 0.0009% w/w 2-methyl-isothiazol-3-one, 0.8297% w/w citric acid, 11 % w/w C12-15 fatty alcohol EO/PO surfactant, 0.18% w/w zinc acetate dihydrate, 0.002% w/w dye, and 80.3083% H2O (hereinafter “EU Cml”).
  • the commercially available US rinse aid contained 3% w/w sodium cumene sulfonate, 0.1 % w/w potassium sorbate, 0.0027% w/w 5-chloro-2methyl- isothiazol-3-one, 0.0009% w/w 2-methyl-isothiazol-3-one, 2.5% w/w citric acid, 5% w/w RO(C2H4O)XH, wherein R is iso-CisH27 and x is 6, 5% w/w C12-15 fatty alcohol EO/PO surfactant, 0.019% w/w tetrasodium ethylenediamine tetraacetic acid, 0.001 % w/w dye, and 77.359% H2O (hereinafter “US Cml”).
  • the US detergent was also tested with 5 mL of a rinse aid having 3.018% w/w sodium cumene sulfonate, 0.1 % w/w potassium sorbate, 0.00048% w/w 5-chloro- 2methyl-isothiazol-3-one, 0.00016% w/w 2-methyl-isothiazol-3-one, 1.056% w/w citric acid, 4.98% w/w RO(C2H4O)xH, wherein R is iso-CisH27 and x is 6, 6.086% w/w C12-15 fatty alcohol EO/PO surfactant, 0.014% w/w N,N'-bis[3- (dimethylamino)propyl]-, polymer with 1 ,1'-oxybis[2-chloroethane] urea, 0.002% w/w dye, and 80.2% H2O (hereinafter “Comp”).
  • Comp H2O

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Abstract

L'invention concerne des compositions liquides comprenant 80% p/p à 95% p/p d'alcool isotridécanol éthoxylé ayant 5 à 10 groupes éthoxy. Les compositions liquides permettent un séchage amélioré pour des articles en plastique lorsqu'elles sont utilisées en tant qu'adjuvant de rinçage dans un procédé de lavage automatique standard de la vaisselle ou dans l'étape de rinçage et de brillance d'un procédé de lavage automatique de la vaisselle.
PCT/EP2023/086386 2022-12-19 2023-12-18 Compositions d'adjuvant de rinçage liquide WO2024133097A1 (fr)

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GB2219168.8 2022-12-19
GB2219168.8A GB2625717A (en) 2022-12-19 2022-12-19 Drying formulations

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1543763A1 (fr) 2003-12-16 2005-06-22 Unilever N.V. Distributeur de détergent pour lave-vaisselles automatiques
WO2005066322A1 (fr) 2003-12-29 2005-07-21 The Procter & Gamble Company Composition d'aide au rincage
WO2016020680A1 (fr) 2014-08-05 2016-02-11 Reckitt Benckiser (Brands) Limited Laveuse automatique et procede
WO2016187293A1 (fr) 2015-05-19 2016-11-24 Ecolab Usa Inc. Système tensioactif efficace sur matière plastique et tous types de marchandise
US20170355929A1 (en) * 2016-04-08 2017-12-14 The Procter & Gamble Company Automatic dishwashing cleaning composition

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1543763A1 (fr) 2003-12-16 2005-06-22 Unilever N.V. Distributeur de détergent pour lave-vaisselles automatiques
WO2005066322A1 (fr) 2003-12-29 2005-07-21 The Procter & Gamble Company Composition d'aide au rincage
WO2016020680A1 (fr) 2014-08-05 2016-02-11 Reckitt Benckiser (Brands) Limited Laveuse automatique et procede
WO2016187293A1 (fr) 2015-05-19 2016-11-24 Ecolab Usa Inc. Système tensioactif efficace sur matière plastique et tous types de marchandise
US20170355929A1 (en) * 2016-04-08 2017-12-14 The Procter & Gamble Company Automatic dishwashing cleaning composition

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