Classifications

• • E—FIXED CONSTRUCTIONS
  • E03—WATER SUPPLY; SEWERAGE
  • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
  • E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
  • E03D9/02—Devices adding a disinfecting, deodorising, or cleaning agent to the water while flushing
  • E03D9/03—Devices adding a disinfecting, deodorising, or cleaning agent to the water while flushing consisting of a separate container with an outlet through which the agent is introduced into the flushing water, e.g. by suction ; Devices for agents in direct contact with flushing water
  • E03D9/032—Devices connected to or dispensing into the bowl
• • 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
  • 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
  • C11D3/2006—Monohydric alcohols
  • C11D3/201—Monohydric alcohols linear

Definitions

• the present invention relates to a toilet bowl cleaning method.
• a method is also known in which a toilet film is formed on the toilet surface to continuously wash the toilet bowl.
• Japanese Patent Application Laid-Open No. 2005-187511 and Japanese Patent Application Laid-Open No. 2006-206882 disclose a cleaning method in which a component discharged from a container adheres and solidifies to an arbitrary portion and then is gradually dissolved with water while gradually releasing the active component. Is described.
• the present invention relates to a toilet bowl cleaning method including the following steps 1 to 3.
• Step 1 (a) 14 to 64% by mass of polyoxyethylene alkyl ether having an alkyl group having 14 to 22 carbon atoms and an average added mole number of ethylene oxide of 20 to 80, (b) containing ethanol and water Applying a toilet bowl cleaning composition having a viscosity of 50 to 3000 mPa ⁇ s at 25 ° C. to the toilet bowl.
• Process 2 A process in which (b) is volatilized from the composition applied in Process 1 by leaving it for 1 minute to 3 hours after Process 1 to form a gel having a higher viscosity than the composition before application.
• Step 3 A step of applying water to the gel formed in Step 2 to produce a washing medium containing (a) and water, and applying the washing medium to a toilet bowl.
• Step 1 (a) 14 to 64% by mass of polyoxyethylene alkyl ether having an alkyl group having 14 to 22 carbon atoms and an average added
• a composition containing a water dissolution delay component and a cleaning component described in JP-A-2005-187511 is difficult to dissolve or collapse when the drying process is prolonged, and the slow dissolution characteristics of the component are impaired. Further, the composition containing a water dissolution delay component, a drug component, and a solvent described in JP-A-2006-206882 has a small content of components that contribute to detergency and does not have sufficient detergency. In addition, the slow dissolution properties of the components are not sufficient.
• the composition described in WO 02/26925 has a very high viscosity and is designed to be stuck on the toilet surface and partly stay in the toilet surface. Not suitable for.
• the present invention provides a toilet bowl cleaning method including a step of applying a toilet bowl cleaning composition excellent in ease of application to a toilet bowl and durability of detergency to the toilet bowl.
• the present invention is excellent in the ease of application to a toilet and the durability of cleaning power.
• the viscosity of the cleaning composition of the present invention at 25 ° C. (hereinafter referred to as initial viscosity) is 50 to 3000 mPa ⁇ s, preferably 100 to 2500 mPa ⁇ s, and more preferably 150 to 2000 mPa ⁇ s. It is 50 mPa ⁇ s or more from the viewpoint of adhesion of the cleaning composition to the toilet bowl, and 3000 mPa ⁇ s or less from the viewpoint of workability such as ease of discharge when the composition is housed in a container.
• the cleaning composition of the present invention contains, as component (a), a polyoxyethylene alkyl ether having an alkyl group with 14 to 22 carbon atoms and an average added mole number of ethylene oxide of 20 to 80.
• the component (a) is a cleaning component and a component that contributes to imparting the initial viscosity and forming a high-viscosity gel after ethanol volatilization.
• Component (a) has 14 to 22 carbon atoms, preferably 16 to 18 carbon atoms in the alkyl group. It is 14 or more from the viewpoint of adhesion to the toilet and detergency, and is 22 or less from the viewpoint of ease of extracting the composition from the container.
• the average added mole number of ethylene oxide of component (a) is 20 to 80, preferably 25 to 70, more preferably 30 to 60. It is 20 or more from the viewpoint of detergency, and 80 or less from the viewpoint of adhesion to the toilet.
• the cleaning composition of the present invention preferably contains 14 to 64% by mass, further 15 to 60% by mass, and more preferably 20 to 50% by mass of the component (a). 14 mass% or more is preferable from a viewpoint of detergency maintenance and the adhesiveness to a toilet bowl, and 64 mass% or less is preferable from a viewpoint of the ease of taking out the composition from a container.
• the cleaning composition of the present invention can contain cleaning components other than the component (a).
• a surfactant is preferable, and among these, a nonionic surfactant other than the component (a) is preferable.
• a surfactant having a polyoxyethylene (ethylene oxide average added mole number of 1 to 6) chain is preferable.
• the carbon number of the alkenyl group is Polyoxyethylene alkenyl ether having 8 to 18 ethylene oxide average addition moles of 1 to 6, polyoxyethylene alkyl phenyl ether having an alkyl group having 8 to 18 carbon atoms and ethylene oxide average addition moles of 1 to 6
• a nonionic surfactant mixture containing an ethylene oxide-added alkyl group or alkenyl group in which the alkyl group or alkenyl group has 8 to 18 carbon atoms and the ethylene oxide average addition mole number is 1 to 6, and the alkyl group has a carbon number of A polyoxyethylene group having 8 to 18 and an average added mole number of ethylene oxide of 1 to 6
• Alkyl amine oxide containing a fatty acid ethylene oxide average addition molar number contains a polyoxyethylene group is 1-6 alkanol amides (8-18 carbon atoms) are exemplified by the carbon number of 8 to 18 acyl group.
• the cleaning composition of the present invention contains ethanol as the component (b).
• the component (b) is a component that contributes to the provision of the initial viscosity together with the component (a), and is a volatile component, so the viscosity of the composition is increased by volatilizing the component (b) from the composition.
• the cleaning composition of the present invention preferably contains 2 to 30% by mass, more preferably 3 to 15% by mass of component (b). It is preferably 2% by mass or more from the viewpoint of easy extraction of the composition from the container and a uniform and wide application range, and is preferably 30% by mass or less from the viewpoint of adhesion to the toilet bowl and durability of cleaning power.
• the cleaning composition of the present invention can contain volatile alcohols other than the component (b).
• the “volatile component” refers to a substance that has a saturated vapor pressure of 1 kPa or higher at 20 ° C. and volatilizes at 20 ° C. and normal pressure.
• the detergent composition of the present invention contains a quaternary ammonium salt type cation having a quaternary ammonium salt type having one or two hydrocarbon groups having 6 to 16 carbon atoms, preferably 8 to 14 carbon atoms, for the purpose of imparting bactericidal properties.
• An active surfactant may be added.
• cationic surfactant 1 or more types of cationic surfactant chosen from the cationic surfactant represented by the following general formula (1) and the cationic surfactant represented by General formula (2) Agents are preferred.
• R 1 is a hydrocarbon group having 8 to 18 carbon atoms or
• R 5 , R 6 , R 7 , R 9 and R 10 are each independently an alkyl group having 1 to 3 carbon atoms
• R 8 , R 11 and R 12 are each independently an alkyl group having 1 to 3 carbon atoms
• R 2 and R 3 each independently represents an alkyl group having 1 to 3 carbon atoms
• R 4 represents an alkylene group having 1 to 3 carbon atoms.
• Z- is an anionic group, preferably a halogen ion, an amino acid ion, a fatty acid soap anion residue, a phosphate ester anion residue having a linear or branched alkyl group or alkenyl group having 1 to 30 carbon atoms, phosphone Polycyclic aromatic having acid ester anion residue, sulfonate ester anion residue or sulfate ester anion residue, or styrene sulfonate ion having a polymerization degree of 3 or more, or having a hydrocarbon group as a substituent
• An anionic oligomer or polymer containing a formalin condensate of a sulfonated compound is shown. ]
• R 13 and R 14 each independently represents a long chain alkyl group, a long chain alkenyl group or a long chain hydroxyalkyl group having 6 to 14 carbon atoms and a total carbon number of R 13 and R 14 of 16 to 26
• R 15 and R 16 are each independently an alkyl group having 1 to 3 carbon atoms, a hydroxyalkyl group, or — (OR 18 ) n —OH (wherein R 18 is an alkenyl group having 2 to 4 carbon atoms, and n is 1 Indicates a number of ⁇ 10.)
• Z- represents the same meaning as described above.
• R 1 is preferably an alkyl group having 6 to 18 carbon atoms and more preferably an alkyl group having 8 to 14 carbon atoms from the viewpoint of detergency.
• R 13 and R 14 are preferably each independently an alkyl group having 8 to 12 carbon atoms.
• a halogen ion is preferable.
• the content of the cationic surfactant is preferably from 0.1 to 8% by mass, more preferably from 1 to 5% by mass in the composition from the viewpoint of bactericidal properties.
• a builder component may be blended for the purpose of improving detergency. Examples of the builder component include the following.
• Amino acids such as aspartic acid, glutamic acid and glycine, and alkali metal salts or alkanolamine salts thereof.
• Aminocarboxylic acids such as nitrilotriacetic acid, iminodiacetic acid, ethylenediaminetetraacetic acid, hydroxyethylethylenediaminetriacetic acid, diethylenetriaminepentaacetic acid, glycol etherdiaminetetraacetic acid, hydroxyethyliminodiacetic acid, triethylenetetraminehexaacetic acid, diencoric acid And alkali metal salts or alkanolamine salts thereof.
• hydroxycarboxylic acids such as citric acid and malic acid
• aminocarboxylic acids such as ethylenediaminetetraacetic acid and hydroxyethylethylenediaminetriacetic acid, and salts thereof are preferable.
• the salt form is preferably a sodium salt, potassium salt, ammonium salt or alkanolamine salt.
• the content of the builder component is preferably 0.1 to 5% by mass, particularly preferably 0.2 to 3% by mass in the composition from the viewpoint of detergency.
• the content of the builder component is preferably 0.1 to 5% by mass, particularly preferably 0.2 to 3% by mass in the composition from the viewpoint of detergency.
• the weight ratio of the cationic surfactant to the builder component is preferably in the range of 10/1 to 1/10 of the cationic surfactant / builder component.
• the builder component and the cationic surfactant cause a weak interaction, preventing the cationic surfactant from adsorbing and stabilizing on the toilet surface, thereby causing water sealing that causes ring contamination. It is thought that the bactericidal effect is expressed in the part.
• the cleaning composition of the present invention contains water together with the above components.
• the water content is an amount adjusted so that the total amount of the cleaning composition is 100% by mass. That is, the balance of the cleaning composition is water.
• the cleaning composition of the present invention forms a gel having a viscosity higher than the viscosity of the composition before volatilization by volatilization of ethanol as component (b).
• the viscosity of the gel formed by volatilization of ethanol as component (b) is preferably 10 Pa ⁇ s or more at 25 ° C., more preferably 100 Pa ⁇ s or more, and further preferably 1000 Pa ⁇ s or more.
• the viscosity of this gel is the viscosity of the gel formed after the component (b) is volatilized from the cleaning composition, and can be measured using, for example, TOKIMEC VISCOMETER MODEL BM (manufactured by TOKIMEC INC).
• the viscosity of the gel is called “viscosity after volatilization” for convenience.
• a gel having a viscosity after volatilization can be formed by sufficiently volatilizing ethanol from the composition.
• the ambient temperature for example, room temperature
• the viscosity after volatilization is preferably 10 Pa ⁇ s or more from the viewpoint of the detergency of the gel.
• the toilet bowl cleaning composition of the present invention was obtained by uniformly applying 10 g to a glass petri dish having an inner diameter of 85 mm and drying it at 40 ° C. and a humidity of 50% for 3 hours. It is preferable to form a gel of 10 Pa ⁇ s or more.
• the gel formed by volatilization of the ethanol component (b) is gradually soluble in water.
• being slowly soluble in water means that 10 g of the composition is uniformly applied to a glass petri dish having an inner diameter of about 85 mm and dried in an environment of 40 ° C. and humidity of 50% for 3 hours. It is a physical property such that when 10 g of 25 ° C. tap water is gently added and left for 1 minute, a part of the component (a) is dissolved in the tap water.
• composition of the present invention filled in a squeeze container is ejected and applied to the toilet surface
• the composition of the present invention filled in a spray container is sprayed and applied to the toilet surface, and the like.
• the pH of the cleaning composition of the present invention at 25 ° C. is preferably 2 to 13, more preferably 3 to 11, and particularly preferably 3 to 7.
• the pH was measured using a Horiba Ltd. pH meter D-52S and a pH electrode 6367-10D.
• the toilet bowl cleaning method of the present invention comprises applying the cleaning composition of the present invention to a toilet bowl, volatilizing (b) ethanol from the applied composition, and having a high viscosity and preferably a water-soluble gel. And (a) polyoxyethylene alkyl ether is eluted by applying water to the gel to wash the toilet bowl.
• Process 1 The process of apply
• Process 2 A process in which (b) is volatilized from the composition applied in Process 1 by leaving it for 1 minute to 3 hours after Process 1 to form a gel having a higher viscosity than the composition before application.
• Step 3 A step of applying water to the gel formed in Step 2 to produce a washing medium containing (a) and water, and applying the washing medium to a toilet bowl.
• the application of the cleaning composition to the toilet bowl in step 1 is a method of discharging the liquid filled in the squeeze container and applying it to the toilet bowl surface, and a method of spraying the liquid filled in the spray container and applying the liquid to the toilet bowl surface.
• the application amount of the cleaning composition is preferably 2 to 50 g, more preferably 5 to 40 g per use on the toilet surface. 2 g or more is preferable from the viewpoint of durability of the detergency, and 50 g or less is preferable from the viewpoint of use efficiency of the cleaning composition.
• the squeeze squeeze container is not particularly limited, but a container described in JP-A-2009-298426 is preferable.
• the container body includes a flexible container body and a pressure regulating member that regulates the pressure deformation of the container body within the container body, and discharges the content liquid by pressing the container body.
• the spray container (it is called a trigger type spray container) with which the trigger type sprayer was mounted
• worn is mentioned.
• the trigger type spray container include a container body containing a liquid detergent composition, and a trigger type liquid ejector attached to the mouth part of the container body, and further, the mouth part of the container body. Is mounted with a trigger sprayer for ejecting a liquid detergent composition, a vertical pipe and a horizontal pipe are formed in the trigger sprayer, and the vertical pipe and the horizontal pipe are formed in the vertical pipe.
• a spray container (referred to as spray container (I)) in which a valve for blocking communication with the road is provided.
• volume is preferably 0.1 ⁇ 0.28 cm 3 of the horizontal pipe in the spray container (I), the volume under the valve of the vertical pipe is preferably 0.06 ⁇ 0.19 cm 3.
• the spray container (I) is provided with a cylinder at a lower position of the horizontal pipe, and a spin element is mounted at the tip of the horizontal pipe, and a nozzle having a nozzle hole is fitted at the tip of the spin element. It is fixed.
• the spray container (I) pulls the trigger, discharges the air in the cylinder to the outside, and when the trigger is returned, the liquid detergent composition is sucked up through a vertical pipe immersed in the liquid detergent composition of the container body.
• a trigger spray container of “Bath Magiclin Foaming Spray” (Kao Co., Ltd.) washed and dried can be used.
• step 2 ethanol as component (b) is volatilized from the composition to form a gel having a higher viscosity than the composition before coating.
• step 2 it is preferable to evaporate ethanol as component (b) from the composition to form a viscosity gel of 10 Pa ⁇ s or higher at 25 ° C.
• the gel formed in step 2 is preferably gradually soluble in water.
• the coating amount of the composition in step 1 is in the above range, it is usually higher in viscosity than the composition before coating by allowing it to stand at room temperature for several minutes to several hours, specifically for 1 minute to 3 hours.
• a gel that is gradually soluble in water is formed.
• Step 3 water is applied to the gel formed in Step 2 (for example, contact with running water, etc.) to generate a cleaning medium containing (a) and water, and the cleaning medium is applied to the toilet bowl.
• Step 2 after the gel viscosity reaches 10 Pa ⁇ s or higher at 25 ° C., application of water to the gel in Step 3 can be started. If the gel formed from the cleaning composition of the present invention in Step 2 is washed per flush in a general flush toilet, peeling, excessive dissolution, viscosity reduction, etc. due to contact with water The cleaning component containing the component (a) is released by contact with the water staying at the application site, and the toilet bowl is cleaned. That is, the cleaning is performed when the cleaning medium containing the component (a) and water comes into contact with the toilet.
• cleaning medium containing a component and water can contain the water-soluble component from a gel suitably.
• a cleaning composition to the rim
• a seat-type flush toilet is provided with a supply port for washing water for cleaning the inner wall surface of the bowl of the toilet body, and in many cases, a water discharge port is provided on the back of the periphery of the toilet.
• Comparative Example 13 in Table 2 is the composition described in Example 6 of JP-A-2005-187511
• Comparative Example 14 in Table 2 is the composition described in Example 10 of JP-A-2006-206882.
• the pH (25 ° C.) was adjusted with a 6N sodium hydroxide aqueous solution or 6N hydrochloric acid as necessary.
• tests for ease of application, cleaning durability, and prevention of ring contamination were conducted by the following methods.
• the initial viscosity of the composition and the viscosity after volatilization were measured by the following methods. The results are shown in Tables 1 and 2.
• the apparatus for measuring the initial viscosity is TOKIMEC INC.
• a TOKIMEC VISCOMETER MODEL BM manufactured by KK was used.
• the measurement conditions were 25 ° C. and the rotor was No. 3 was used to set the number of revolutions to 30 rpm, and the measured value one minute after the start of measurement was taken as the initial viscosity.
• the viscosity after volatilization was measured using a sample obtained by uniformly applying 10 g of the composition to a glass petri dish having an inner diameter of 85 mm and drying it in an environment of 40 ° C. and 50% humidity for 3 hours. In the composition containing ethanol, ethanol is volatilized under these conditions.
• the measurement apparatus was Physica MCR-301 manufactured by Anton Paar, CP50-1 (series 3275) as a plate, and measurement was performed at 25 ° C. and a shear rate of 0.1 s ⁇ 1.
• Ring contamination prevention The washing sustainability evaluation method was performed, and the period until ring-shaped dirt was generated on the draft line of the liquid reservoir in the toilet bowl was evaluated according to the following evaluation criteria. Since ring contamination once generated cannot be easily removed by flash operation, the test was terminated when it occurred once. 1: Ring contamination is present after 50 flash operations 2: Ring contamination is not confirmed after 50 flash operations, but ring contamination is confirmed before 70 flash operations 3: 70 operations Ring contamination is not confirmed after the flash operation, and ring contamination is confirmed until the 90th flash operation 4: Ring contamination is not confirmed after the 90th flash operation, and until the 110th flash operation 5: No ring dirt is present after 110 flash operations.

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• Engineering & Computer Science (AREA)
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• Life Sciences & Earth Sciences (AREA)
• Organic Chemistry (AREA)
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• Public Health (AREA)
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• Epidemiology (AREA)
• Hydrology & Water Resources (AREA)
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• Cleaning By Liquid Or Steam (AREA)
• Cosmetics (AREA)

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• 2010
  • 2010-04-12 JP JP2010091185A patent/JP5530788B2/ja active Active
• 2011
  • 2011-04-11 WO PCT/JP2011/058961 patent/WO2011129285A1/ja active Application Filing
  • 2011-04-11 CN CN201180018368.5A patent/CN102834497B/zh not_active Expired - Fee Related
  • 2011-04-11 SG SG2012072294A patent/SG184336A1/en unknown
  • 2011-04-12 TW TW100112676A patent/TWI576489B/zh not_active IP Right Cessation

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