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
  • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
  • B08B3/04—Cleaning involving contact with liquid
  • B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
• • 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
  • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
  • C11D7/50—Solvents
  • C11D7/5004—Organic solvents
  • C11D7/5018—Halogenated solvents
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • 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
  • C11D2111/20—Industrial or commercial equipment, e.g. reactors, tubes or engines
• • 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
  • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
  • C11D7/22—Organic compounds
  • C11D7/28—Organic compounds containing halogen
• • 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
  • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
  • C11D7/22—Organic compounds
  • C11D7/28—Organic compounds containing halogen
  • C11D7/30—Halogenated hydrocarbons

Definitions

• the present invention relates to a nonflammable detergent composition suitable for cleaning contaminants such as oils and fats on the surface containing a metal and a resin.
• Japanese Patent Application Laid-Open No. 2017-200989 (corresponding to US Patent Application Publication No. 2020/0017979) describes an invention relating to a fluorine-based nonflammable detergent, and the cleaning agent includes 1-chloro-3. , 3,3-Trifluoropropene is disclosed.
• Japanese Unexamined Patent Publication No. 2017-200989 evaluates as a problem as a cleaning agent by citing invasiveness (erosion) to a resin such as rubber or plastic and a decrease in transparency as a problem. This is because 1-chloro-3,3,3-trifluoropropene has a strong detergency and tends to erode and dissolve resins such as rubber and plastic.
• 2017-200989 evaluates by immersing a resin such as plate-shaped rubber or plastic in a detergent, but this is a region where the resin is a specific region in devices and parts in which the resin is combined with a metal. This is because the specific area is stressed because it is used in the above area, and it is the area that is eroded by the detergent and easily cracked first.
• an object of the present invention is to provide a cleaning agent composition having high detergency and reduced erosion property against a resin.
• Detergent Composition (A) Ingredient: 1-chloro-3,3,3-trifluoropropene (B) Ingredient: Hydrofluoroolefin of the following general formula C n F 2n-1- OC m H 2m + 1 (N is an integer of 5 to 10 and m is an integer of 1 to 5).
• the second embodiment of the present invention is the cleaning agent composition according to the first embodiment, which comprises only the component (A) and the component (B) as a solvent.
• the third embodiment of the present invention is the detergent composition according to the first or second embodiment, which does not contain hydrochlorofluorocarbon, hydrofluoroether, hydrofluorocarbon and perfluoropolyether.
• a fourth embodiment of the present invention relates to any one of the first to third embodiments, wherein the component (A) is cis-1-chloro-3,3,3-trifluoropropene.
• the fifth embodiment of the present invention is a cleaning aerosol in which the cleaning agent composition and the propellant according to any one of the first to fourth embodiments are filled in a pressure-resistant container.
• a sixth embodiment of the present invention comprises the cleaning agent composition according to any one of the first to fourth embodiments in the inner bag of a double-structured container having an inner bag inside. It is a filled cleaning sprayer.
• the seventh embodiment of the present invention is a method of cleaning contaminants adhering to a contaminated portion with the detergent composition according to any one of the first to fourth embodiments.
• the eighth embodiment of the present invention is the method according to the seventh embodiment in which the contaminated portion is a braking device.
• the component (A) that can be used in the present invention is 1-chloro-3,3,3-trifluoropropene, which is a chlorine-fluorine-based solvent and is one of hydrochlorofluoroolefins. Hydrochlorofluoroolefins are also called HCFOs.
• the component (A) is a mixture of cis-1-chloro-3,3,3-trifluoropropene and trans-1-chloro-3,3,3-trifluoropropene. Although it may be present, cis-1-chloro-3,3,3-trifluoropropene is particularly preferable in consideration of detergency.
• the component (A) is a main component that exerts a cleaning action against contaminants.
• the boiling point of the component (A) is, for example, 30 ° C. to 100 ° C., preferably 30 ° C. to 90 ° C., and more preferably 30 ° C. to 50 ° C. It has good detergency at 30 ° C to 100 ° C.
• the notation of "-" is a notation including the upper limit value and the lower limit value.
• the component (A) has a very small ozone depletion potential (ODP) and can reduce the burden on the environment.
• ODP ozone depletion potential
• the ozone depletion potential is a value used when comparing the ozone depletion intensity calculated by dividing the total ozone depletion amount per kg of each compound by the total ozone depletion amount per 1 kg of trichlorofluoromethane.
• the ozone depletion potential of the component (A) is preferably 20 or less, more preferably 10 or less, and most preferably 5 or less.
• the component (A) has a very small global warming potential (GWP) and can reduce the burden on the environment.
• the global warming potential is an index that expresses the effect of each greenhouse gas on global warming relative to the effect of carbon dioxide, taking into account the duration.
• the global warming potential is preferably 10 or less, more preferably 7 or less, and most preferably 5 or less.
• the component (A) preferably has a large kauributanol (KB) value, and the kauributanol value is an index indicating the fat saturation ability of the sample. The larger the number, the more fat and oil the sample can dissolve.
• the measuring method is to put a fixed amount of Kauri resin butanol solution in a flask, place it on a type paper, drop a sample, and represent the number of ml of the sample when the type becomes unreadable due to turbidity. In the present invention, when the KB value is 10 or more, excellent detergency against contaminants can be exhibited.
• the component (A) preferably has a kauributanol (KB) value of 10 or more. It is more preferably 20 or more, and most preferably 30 or more.
• component (A) examples include, but are limited to, SOLVIA (registered trademark) (cis-1-chloro-3,3,3-trifluoropropene) manufactured by Solvex Co., Ltd. It's not something.
• the component (B) that can be used in the present invention is a fluorine-based solvent having a specific structure, and is also called a hydrofluoroolefin.
• the hydrofluoroolefin is also referred to as HFO.
• the hydrofluoroolefin is a fluorine compound having an unsaturated bond in the molecule
• the component (B) is a hydrofluoroolefin having an ether group.
• the component (B) has a structure of C n F 2n-1- OC m H 2m + 1 , where n is an integer of 5 to 10 and m is an integer of 1 to 5. It is a compound.
• the boiling point is preferably 80 ° C. or higher, more preferably 90 ° C. or higher, and most preferably 100 ° C. or higher.
• component (B) examples include, but are not limited to , Option (registered trademark) SF10 (C 7 F 13 OCH 3) manufactured by Mitsui-Kemers Fluoro Products Co., Ltd.
• the detergent composition of the present invention has high detergency and can suppress erosion property to resin. Therefore, in devices and parts that combine resin with metal, it is necessary to exhibit high detergency against contaminants such as oil while suppressing the erosion of the resin existing in the stressed area and the formation of cracks. Becomes possible.
• the detergent composition contains only the component (A) and the component (B) as a solvent.
• the cleaning composition of the present invention is hydrochlorofluorocarbon (HCFC) such as AMOLEA (registered trademark) AS-300 (manufactured by AGC Co., Ltd.), hydro such as C 4 F 9 OCH 3 , C 4 F 9 OC 2 H 5.
• fluoroether (HFE) hydrofluorocarbons such as C 5 F 10 H 2 (HFC ), and GALDEN (R) SV55, SV135 (manufactured by SOLVAY Co., Ltd.) may not contain any of the perfluoropolyether (PFPE) such as preferable. By doing so, high detergency and low erosion can be maintained. It is also preferable from the viewpoint of reducing the environmental load.
• PFPE perfluoropolyether
• hydrochlorofluorocarbon is a compound in which a part of hydrogen atoms in saturated hydrocarbon is replaced with chlorine atoms and fluorine atoms.
• Hydrofluoroether is a compound in which a hydrogen atom in a saturated hydrocarbon is replaced with an ether group and a fluorine atom (at this time, an alkyl ether group is generally used as the ether group).
• Hydrofluorocarbons are compounds in which some of the hydrogen atoms in saturated hydrocarbons are replaced with fluorine atoms.
• Perfluoropolyether is a compound in which all hydrogen atoms in a polyoxyalkylene compound are replaced with fluorine atoms.
• any component other than the component (A) and the component (B) can be added to the detergent composition of the present invention as long as the characteristics of the present invention are not impaired.
• the component include a surfactant, an ultraviolet absorber, an antioxidant, a chelating agent, a rust preventive, a fragrance, and a solvent other than the component (A) and the component (B) (excluding the above HCFC, HFE, HFC, and PFPE). However, it is not limited to these.
• the method of use of the present invention can be cleaned by wiping or dipping with a cloth waste cloth, a brush or the like, ultrasonic cleaning, spraying with an air spray or an air gun, or spraying with an aerosol or the like, but the cleaning is limited to these. It's not a thing.
• the present invention also provides a cleaning aerosol in which a pressure-resistant container is filled with the cleaning agent composition of the present invention and a propellant.
• the present invention also provides a cleaning sprayer in which the cleaning agent composition of the present invention is filled in the inner bag of a double-structured container having an inner bag inside.
• a container having an inner bag inside the can is filled with the cleaning agent composition of the present invention and, if necessary, a spray agent, and compressed air is introduced into the gap between the inner bag and the can, and the compressed air is introduced.
• a cleaning sprayer that pushes the inner bag with air to inject it is preferable.
• Known substances can be used as the propellant, such as dimethyl ether (DME), carbon dioxide, liquefied petroleum gas (LPG), nitrogen, nitrous oxide, isobutane, haloalkyl, hydrofluoroolefins other than the component (B), and compressed air. It can be selected from, but is not limited to these. From the viewpoint of availability, safety, environmental load and the like, hydrofluoroolefins, carbon dioxide and nitrogen other than the component (B) are particularly preferable, and carbon dioxide is the most preferable.
• DME dimethyl ether
• LPG liquefied petroleum gas
• nitrogen nitrogen
• nitrous oxide isobutane
• haloalkyl haloalkyl
• hydrofluoroolefins other than the component (B) are particularly preferable, and carbon dioxide is the most preferable.
• Fields and applications to which the cleaning agent composition of the present invention can be applied include, but are not limited to, cleaning of industrial machines, transportation vehicles, electrical and electronic equipment, and industrial parts.
• the cleaning agent composition of the present invention can be suitably used for cleaning transportation vehicles such as automobiles and trains.
• the present invention provides a method for cleaning contaminants adhering to a contaminated portion by the cleaning agent composition of the present invention.
• the contaminated part include a brake device, and in particular, a brake device for a transport vehicle, etc., but it is also suitable for cleaning other machinery.
• it may be used for cleaning contaminated parts containing non-metallic materials such as resins and fibers such as polycarbonate and ABS.
• contaminants include oils and fats such as gear oil and brake fluid, and solid substances.
• the cleaning agent composition of the present invention can be used for cleaning a contaminated area of a surface made of metal or resin, such as oil or fat.
• the detergent composition is also simply referred to as a composition.
• HCFO hydrochlorofluoroolefin
• HCFC hydrochlorofluorocarbon
• HFO hydrofluoroolefin
• HFE hydrofluoroether
• HFC hydrofluorocarbon
• PFPE perfluoropolyether (without hydrogen) is an abbreviation.
• Polycarbonate resin Panlite (registered trademark) L-1225Y manufactured by Teijin Co., Ltd.
• ABS resin acrylonitrile-butadiene-styrene resin
• ABS-N-WN acrylonitrile-butadiene-styrene resin
• both of the two types of resins are “ ⁇ ” for erosion, and both are “ ⁇ ” for the detergency of the two types of oil.
• the detergency is low with respect to one kind of oil, and in Comparative Examples 9 to 15 and 20, " ⁇ " is not expressed in terms of erosion.
• Comparative Examples 16 to 19 “x” is expressed in erosiveness or detergency. Specifically, as in Comparative Examples 1 to 8, when the predetermined component (A) is not used, or when the mass ratio of the predetermined component (A) is smaller than the predetermined value, Detergency is insufficient.
• the detergent composition of the present invention is made of oil or solid matter adhering to contaminated parts such as industrial machine parts containing resins such as metals and plastics, transportation equipment parts, electrical / electronic parts, civil engineering / building / structural materials, etc. It can be washed without erosion of the resin, and it is nonflammable and environmentally friendly, so it can be used in various fields and applications.

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

Priority Applications (3)

Applications Claiming Priority (2)

Publications (1)

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Citations (8)

• 2021
  • 2021-01-27 US US17/758,996 patent/US20230040887A1/en not_active Abandoned
  • 2021-01-27 CN CN202180008803.XA patent/CN114981396A/zh active Pending
  • 2021-01-27 WO PCT/JP2021/002866 patent/WO2021153623A1/ja not_active Ceased
  • 2021-01-27 JP JP2021574079A patent/JPWO2021153623A1/ja active Pending

Patent Citations (8)

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