WO2016068088A1 - Composition de solvant non inflammable - Google Patents

Composition de solvant non inflammable Download PDF

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WO2016068088A1
WO2016068088A1 PCT/JP2015/080134 JP2015080134W WO2016068088A1 WO 2016068088 A1 WO2016068088 A1 WO 2016068088A1 JP 2015080134 W JP2015080134 W JP 2015080134W WO 2016068088 A1 WO2016068088 A1 WO 2016068088A1
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solvent composition
mass
stabilizer
flammable solvent
composition
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PCT/JP2015/080134
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Japanese (ja)
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寿夫 三木
宏明 光岡
花田　毅
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旭硝子株式会社
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    • 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
    • C11D7/26—Organic compounds containing oxygen
    • 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
    • C11D7/32—Organic compounds containing nitrogen
    • 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
    • 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

Definitions

  • the present invention relates to a non-flammable solvent composition.
  • Solvent compositions include fluorine-based chlorofluorocarbons such as 1,1,2-trichloro-1,2,2-trifluoroethane (hereinafter referred to as “CFCs” as appropriate), 2,2-dichloro. -1,1,1-trifluoroethane, 1,1-dichloro-1-fluoroethane, 3,3-dichloro-1,1,1,2,2-pentafluoropropane, 1,3-dichloro-1, Compositions containing hydrochlorofluorocarbons such as 1,2,2,3-pentafluoropropane (hereinafter referred to as “HCFCs”) and the like are known.
  • CFCs and HCFCs those that are nonflammable, have low toxicity and excellent stability, and are excellent in chemical and thermal stability without damaging a base material such as metal, plastic, and elastomer are preferably used.
  • CFCs are chemically extremely stable, they have a long lifetime in the troposphere and diffuse to reach the stratosphere. CFCs that have reached the stratosphere are decomposed by ultraviolet rays and generate chlorine radicals, which may destroy the ozone layer. For this reason, production of CFCs is regulated worldwide, and production has already been abolished in developed countries.
  • HCFCs also have chlorine atoms and have a slight adverse effect on the ozone layer. For this reason, production is scheduled to be abolished in 2020 in developed countries.
  • Perfluorocarbons are known as solvents that have no chlorine atom and do not adversely affect the ozone layer.
  • hydrofluorocarbons hereinafter referred to as “HFCs”
  • HFEs hydrofluoroethers
  • HFCs and PFCs are regulated substances under the Kyoto Protocol because of their large global warming potential.
  • Halogenated olefins having a double bond between carbon atoms and carbon atoms have been proposed as solvents to replace HFCs, HFEs, and PFCs.
  • chlorofluoroolefins hereinafter referred to as “CFOs”
  • hydrochlorofluoroolefins hereinafter referred to as “HCFOs”
  • hydrofluoroolefins hereinafter referred to as “HFOs”.
  • Etc. have been proposed. Since these halogenated olefins are easily decomposed, their lifetime in the atmosphere is short. For this reason, the ozone depletion coefficient (ODP) and the global warming potential (GWP) are small, and the influence on the global environment is small.
  • ODP ozone depletion coefficient
  • GWP global warming potential
  • CFO-1214ya 1,1-dichloro-2,3,3,3-tetrafluoropropene
  • CFO-1214ya is a solvent that has a short lifetime in the atmosphere, an ozone depletion coefficient close to zero, and a global warming coefficient of one digit.
  • the boiling point is about 46 ° C. (normal pressure), and it has excellent drying properties. Even if steam is generated by boiling, the temperature is low at about 46 ° C., so that it is difficult to adversely affect the application to parts that are easily affected by heat (for example, resin parts). It has no flash point and has low surface tension and viscosity. Has degreasing properties.
  • CFO-1214ya has a problem that the cleaning performance is inferior to that of HCFC-225, which is determined to be completely abolished in 2020. Therefore, in order to improve cleaning performance, CFO-1214ya includes hydrocarbons and alcohols.
  • a solvent composition in which other solvents such as ketones are mixed has been proposed as a degreasing detergent (see, for example, Patent Document 2).
  • the solvent composition containing the solvent may be flammable.
  • the composition ratio of the solvent composition greatly fluctuates, the cleaning properties change, and the cleaning properties cannot be fully exhibited. There is.
  • the solvent composition has a similar problem when it is used as a draining agent for removing water adhering to the surface of the component when the component is washed with water such as pure water.
  • the present invention aims to provide a non-flammable solvent composition that is easy to handle and excellent in properties such as detergency.
  • the present invention is the following non-flammable solvent composition.
  • the amount of 1,1-dichloro-2,3,3,3-tetrafluoropropene in the non-flammable solvent composition is 80% by mass or more based on the non-flammable solvent composition, [4 ] Or the non-flammable solvent composition according to [5].
  • the stabilizer is a phenol, and the phenol is phenol, 1,2-benzenediol, 2,6-ditertiarybutyl-4-methylphenol, 3-cresol, 2-isopropyl-5-methyl.
  • the non-flammable solvent composition according to any one of [4] to [6], which is at least one selected from the group consisting of phenol and 2-methoxyphenol.
  • the stabilizer is an ether, and the ether is 1,4-dioxane, 1,3-dioxane, 1,3,5-trioxane, furan, 2-methylfuran, tetrahydrofuran, ethylphenyl ether, And the non-flammable solvent composition according to any one of [4] to [6], which is at least one selected from the group consisting of diethylene glycol monoethyl ether.
  • the stabilizer is an epoxide, and the epoxide is 1,2-propylene oxide, 1,2-butylene oxide, 1,2-epoxy-3-phenoxypropane, butyl glycidyl ether, and diethylene glycol diester.
  • FIG. 1 is a diagram showing the relationship between the liquid phase concentration C1 (mass%) and the gas phase concentration C2 (mass%) related to acetone.
  • CFO-1214ya in the present invention can be obtained by the following method.
  • Dehydrofluorination using 1,1-dichloro-2,2,3,3,3-pentafluoropropane (hereinafter referred to as “HCFC-225ca”) in the presence of a phase transfer catalyst in an alkaline aqueous solution How to make.
  • HCFC-225ca Dehydrofluorination using 1,1-dichloro-2,2,3,3,3-pentafluoropropane (hereinafter referred to as “HCFC-225ca”) in the presence of a phase transfer catalyst in an alkaline aqueous solution
  • a catalyst such as chromium, iron, copper, activated carbon or the like (for example, see Japanese Patent No. 3778298).
  • HCFC-225cb 1,3-dichloro-1,2,2,3,3-pentafluoropropane
  • a method of dehydrofluorinating HCFC-225ca see, for example, International Publication No. 2010/074254.
  • the produced CFO-1214ya may be used as it is, and the purity can be increased by distillation or the like, if necessary.
  • Non-flammable solvent composition The non-flammable solvent composition of the present invention (hereinafter sometimes referred to as “the present composition”) is 1,1-dichloro-2,3,3,3- Contains tetrafluoropropene and acetone. CFO-1214ya and acetone in the composition are uniformly dissolved in each other. Since this composition has a small ozone depletion coefficient and a global warming coefficient and is excellent in properties such as drying properties and detergency, it can be suitably used as a cleaning agent or a draining agent.
  • the relative volatility ( ⁇ ) of the composition is 0.9 or more and 1.1 or less.
  • the present composition comprising CFO-1214ya, acetone, and a stabilizer also has a relative volatility ( ⁇ ) of CFO-1214ya as long as the content of the stabilizer does not increase even if it is a compound having solvent characteristics. It is recognized as being equivalent to the present composition consisting of and acetone.
  • the relative volatility ( ⁇ ) is a value obtained from the following equation (1).
  • the mass ratio (85/15 to 89.7 / 10.3) of CFO-1214ya to acetone in the composition is such that the relative volatility ⁇ is in the range of 0.9 to 1.1.
  • the mass ratio of CFO-1214ya to acetone in the present composition is within the above range, so that the present composition is substantially equivalent to the characteristics of the azeotropic composition or the azeotropic composition. It has the following characteristics. Therefore, this composition has a small composition ratio fluctuation at the time of use, and is easy to handle when used as a cleaning agent or the like.
  • the composition preferably contains no solvent other than CFO-1214ya and acetone.
  • the present composition may contain a solvent other than CFO-1214ya and acetone.
  • the content is such an amount that the composition is not flammable.
  • the amount is an amount that does not impair the properties of CFO-1214ya in the present invention.
  • solvents other than CFO-1214ya and acetone examples include hydrocarbons, alcohols, ketones, esters, chlorocarbons, HFCs, hydrofluoroethers (HFE), hydrofluoroolefins (HFO), hydrochlorofluoroolefins (HCFO), and the like.
  • the content is preferably 1 mass ppm to 3 mass%, more preferably 1 mass ppm to 1 mass%, and more preferably 1 mass ppm to 0.5 mass%. Mass% is most preferred. However, even if it is in the range of this content, the quantity from which this composition becomes flammability is excluded.
  • hydrocarbon a hydrocarbon having 5 or more carbon atoms is preferable. As long as it is a hydrocarbon having 5 or more carbon atoms, it may be a chain or a ring, and may be a saturated hydrocarbon or an unsaturated hydrocarbon.
  • an alcohol having 1 to 16 carbon atoms is preferable. As long as the alcohol has 1 to 16 carbon atoms, it may be a chain or a ring, and may be a saturated alcohol or an unsaturated alcohol. Specifically, methanol, ethanol, n-propyl alcohol, isopropyl alcohol, n-butyl alcohol, sec-butyl alcohol, isobutyl alcohol, tert-butyl alcohol, 1-pentanol, 2-pentanol, 1-ethyl-1 -Propanol, 2-methyl-1-butanol, 3-methyl-1-butanol, 3-methyl-2-butanol, neopentyl alcohol, 1-hexanol, 2-methyl-1-pentanol, 4-methyl-2- Pentanol, 2-ethyl-1-butanol, 1-heptanol, 2-heptanol, 3-heptanol, 1-octanol, 2-octanol, 2-ethyl
  • ketone a ketone having 3 to 9 carbon atoms is preferable. As long as the ketone has 3 to 9 carbon atoms, it may be linear or cyclic, and may be a saturated ketone or an unsaturated ketone.
  • an ester having 2 to 19 carbon atoms is preferable. As long as the ester has 2 to 19 carbon atoms, it may be a chain or a ring, and may be a saturated ester or an unsaturated ester. Specifically, methyl formate, ethyl formate, propyl formate, butyl formate, isobutyl formate, pentyl formate, methyl acetate, ethyl acetate, propyl acetate, isopropyl acetate, butyl acetate, isobutyl acetate, sec-butyl acetate, pentyl acetate, acetic acid Methoxybutyl, sec-hexyl acetate, 2-ethylbutyl acetate, 2-ethylhexyl acetate, cyclohexyl acetate, benzyl acetate, methyl propionate, ethyl propionate, butyl propionat
  • chlorocarbon a chlorocarbon having 1 to 3 carbon atoms is preferable.
  • the chlorocarbon having 1 to 3 carbon atoms may be a chain or a ring, and may be a saturated chlorocarbon or an unsaturated chlorocarbon.
  • methylene chloride, 1,1-dichloroethane, 1,2-dichloroethane, 1,1,2-trichloroethane, 1,1,1,2-tetrachloroethane, 1,1,2,2-tetrachloroethane Examples include pentachloroethane, 1,1-dichloroethylene, 1,2-dichloroethylene, trichloroethylene, and tetrachloroethylene.
  • 1,1,1,3,3-pentafluorobutane, 1,1,1,2,2,3,4,5,5,5-decafluoropentane, 1,1,2,2 , 3,3,4-heptafluorocyclopentane, 1,1,1,2,2,3,3,4,4-nonafluorohexane, 1,1,1,2,2,3,3,4, Examples include 4,5,5,6,6-tridecafluorohexane, 1,1,1,2,2,3,3,4,4,5,5,6,6-tridecafluorooctane and the like.
  • 1,1,1,2,2,3,4,5,5,5-decafluoropentane, 1,1,1,2,2,3,3,4,4-nonafluorohexane, 1,1,2,2,3,3,4,4,5,5,6,6-tridecafluorohexane is preferred.
  • HFE examples include (perfluorobutoxy) methane, (perfluorobutoxy) ethane, 1,1,2,2-tetrafluoro-1- (2,2,2-trifluoroethoxy) ethane, and the like. Of these, (perfluorobutoxy) methane and 1,1,2,2-tetrafluoro-1- (2,2,2-trifluoroethoxy) ethane are preferable.
  • HFO and HCFO HFO and HCFO which have little influence on the ozone layer and have little influence on global warming are preferable.
  • the number of carbon atoms is preferably 2 to 5, and may be linear or branched.
  • chlorotetrafluoropropene HCFO-1224
  • chlorotrifluoropropene HCFO-1233
  • hexafluorobutene HFO-1336
  • the present composition may further contain a stabilizer.
  • the stabilizer is a compound that has the property of suppressing CFO-1214ya from being decomposed by oxygen and making CFO-1214ya stable.
  • the composition containing the stabilizer can be suppressed from changing pH even when stored in the presence of oxygen.
  • the stabilizer is preferably selected from compounds whose pH change rate (Rc) is determined to be 20 or less by the stability test described below. Further, the stabilizer is preferably a compound having a pH change rate of 10 or less, more preferably a compound having a pH of 5 or less.
  • a test solution containing a stabilizer in CFO-1214ya (purity 99% by mass or more) is prepared (100 g). Here, the test solution is adjusted so that the concentration of the stabilizer is 1% by mass. The test solution is stored at room temperature (21-23 ° C.) for 3 days.
  • the rate of change in pH (Rc) is shown in the following formula (2). However, V0 is the pH value immediately after adjustment, and V1 is the pH value (V1) after storage.
  • the content of the stabilizer in the composition is preferably 1 mass ppm or more with respect to CFO-1214ya.
  • the content ratio of the stabilizer is smaller than the above lower limit, decomposition of CFO-1214ya may not be sufficiently suppressed.
  • the content of the stabilizer is preferably 10% by mass or less.
  • the content ratio of the stabilizer is larger than the above upper limit value, characteristics (low surface tension, low viscosity, high permeability, vaporization at room temperature, etc.) provided by CFO-1214ya may be impaired, and CFO-1214ya may be impaired. May not be further improved.
  • the content ratio of the stabilizer is more preferably in the range of 3 mass ppm to 7 mass%, and most preferably in the range of 5 mass ppm to 5 mass%.
  • the stabilizer is preferably a combination of a plurality of compounds selected from different compounds among the plurality of compounds described above.
  • the stabilizer is preferably a combination of a compound of phenols and a stabilizer other than phenols.
  • the content ratio of CFO-1214ya is preferably 80% by mass or more, and more preferably 90% by mass or more.
  • the stabilizer is preferably one that dissolves in the present composition.
  • the present composition may contain other additives as required in addition to the stabilizer.
  • other additives include triazoles described later.
  • Phenols are aromatic hydroxy compounds in which one or more hydroxy groups are substituted on the aromatic hydrocarbon nucleus.
  • the phenols contained as a stabilizer preferably have an aromatic hydrocarbon nucleus as a benzene nucleus (benzene ring).
  • Phenols include compounds in which a substituent such as a hydrocarbon group, an alkoxy group, an acyl group, a carbonyl group, or a halogen is substituted with a hydrogen atom in an aromatic hydrocarbon nucleus.
  • a substituent such as a hydrocarbon group, an alkoxy group, an acyl group, a carbonyl group, or a halogen
  • examples of the hydrocarbon group include an alkyl group, an alkenyl group, an alkoxy group, an acyl group, an aromatic hydrocarbon group, and an aralkyl group.
  • the number of carbon atoms of each substituent of the alkyl group, alkenyl group, alkoxy group, acyl group, and carbonyl group is preferably 6 or less.
  • an alkyl group or an alkoxy group is substituted at the ortho position with respect to the hydroxy group substituted on the aromatic hydrocarbon nucleus.
  • the alkyl group substituted at the ortho position is preferably a branched alkyl group such as a tertiary butyl group. In this case, both of the two ortho positions may be substituted with an alkyl group.
  • phenols include phenol, 1,2-benzenediol, 1,3-benzenediol, 1,4-benzenediol, 1,3,5-benzenetriol, 2,6-ditertiarybutyl-4-methylphenol, 2,4,6-tritertiary butylphenol, 2-tertiary butylphenol, 3-tertiary butylphenol, 4-tertiary butylphenol, 2,4-ditertiary butylphenol, 2,6-ditertiary butylphenol, 4,6-diter Shary butylphenol, 1-cresol, 2-cresol, 3-cresol, 2,3-dimethylphenol, 2,4-dimethylphenol, 2,5-dimethylphenol, 2,6-dimethylphenol, 2,3,6-trimethyl Phenol, 2,4 6-trimethylphenol, 2,5,6-trimethylphenol, 3-isopropylphenol, 2-isopropyl-5-methylphenol, 2-methoxyphenol, 3-methoxyphenol, 4-methoxyphenol, 2-ethoxyphenol,
  • Preferred phenols include phenol, 1,2-benzenediol, 2,6-ditertiarybutyl-4-methylphenol, 3-cresol, 2-isopropyl-5-methylphenol, and 2-methoxyphenol. It is done.
  • ethers include dimethyl ether, diethyl ether, dipropyl ether, diisopropyl ether, dibutyl ether, dipentyl ether, diisopentyl ether, diallyl ether, ethyl methyl ether, ethyl propyl ether, ethyl isopropyl ether, ethyl isobutyl ether, ethyl isopentyl.
  • Ether ethyl vinyl ether, allyl ethyl ether, ethyl phenyl ether, ethyl naphthyl ether, ethyl propargyl ether, 1,4-dioxane, 1,3-dioxane, 1,3,5-trioxane, ethylene glycol monomethyl ether, ethylene glycol monobutyl ether , Ethylene glycol monophenyl ether, ethylene glycol monobenzyl ether, ethylene glycol Dimethyl ether, ethylene glycol diethyl ether, ethylene glycol diphenyl ether, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, dipropylene glycol methyl ether, anisole, anethole, trimethoxyethane, triethoxyethane, furan, 2-methylfuran and tetrahydrofuran Is mentioned.
  • Preferred ethers include cyclic ethers having 4 to 6 members.
  • 1,4-dioxane, 1,3-dioxane, 1,3,5-trioxane, furan, 2-methylfuran, tetrahydrofuran, ethylphenyl ether, and diethylene glycol monoethyl ether are preferable.
  • the ratio is preferably in the range of 1 to 10 mass%, preferably in the range of 10 to 7 mass% with respect to CFO-1214ya. Is more preferable, and the range of 0.01% by mass or more and 5% by mass or less is still more preferable.
  • stabilization of CFO-1214ya can be realized, and the characteristics of CFO-1214ya (low surface tension, low viscosity, high permeability, evaporation at room temperature, etc.) can be exhibited.
  • Epoxides are organic compounds having an epoxy group which is a 3-membered ether. Epoxides include compounds having a plurality of epoxy groups, and compounds having substituents such as halogen atoms, etheric oxygen atoms, and hydroxy groups. Epoxides preferably have 12 or less carbon atoms.
  • Epoxides include 1,2-propylene oxide, 1,2-butylene oxide, 1,2-epoxy-3-phenoxypropane, butyl glycidyl ether, methyl glycidyl ether, ethyl glycidyl ether, butyl glycidyl ether, vinyl glycidyl ether, Examples include allyl glycidyl ether, diethylene glycol diglycidyl ether, epichlorohydrin, d-limonene oxide, and l-limonene oxide.
  • Preferred epoxides include 1,2-propylene oxide, 1,2-butylene oxide, 1,2-epoxy-3-phenoxypropane, butyl glycidyl ether, and diethylene glycol diglycidyl ether.
  • the proportion of epoxides in the composition is preferably in the range of 1 to 10 mass%, preferably in the range of 10 to 7 mass% with respect to CFO-1214ya. Is more preferable, and the range of 0.01% by mass or more and 5% by mass or less is still more preferable.
  • stabilization of CFO-1214ya can be realized, and the characteristics of CFO-1214ya (low surface tension, low viscosity, high permeability, evaporation at room temperature, etc.) can be exhibited.
  • Amines are organic compounds having primary to tertiary amino groups.
  • Amines include both acyclic and cyclic (cyclic compounds in which the nitrogen atom of an amino acid is an atom constituting the ring).
  • Examples of acyclic amines include aliphatic amines and aromatic amines.
  • Cyclic amines are, for example, 4 to 6-membered ring compounds having 1 to 3 nitrogen atoms constituting the ring.
  • the number of carbon atoms in the amine is preferably 16 or less, particularly preferably 10 or less.
  • the group bonded to the nitrogen atom of the secondary amino group and the tertiary amino group is preferably an alkyl group or a hydroxyalkyl group having 6 or less carbon atoms.
  • Preferred amines include alkyl amines and cyclic amines.
  • pyrrole, N-methylpyrrole, 2-methylpyridine, n-propylamine, diisopropylamine, N-methylmorpholine, 2-methyl-2-oxazoline, isoxazole, and N-ethylmorpholine are preferable.
  • the proportion in the case of containing amines in the composition is preferably in the range of 1 to 10 mass% with respect to CFO-1214ya, preferably in the range of 5 to 5 mass%. Is more preferable, and the range of 10 mass ppm or more and 1 mass% or less is still more preferable.
  • stabilization of CFO-1214ya can be realized, and the characteristics of CFO-1214ya (low surface tension, low viscosity, high permeability, evaporation at room temperature, etc.) can be exhibited.
  • composition contains a stabilizer, when it comes into contact with copper or a copper alloy, it further contains a triazole in order to prevent corrosion of the copper or copper alloy. Also good.
  • triazoles include 2- (2′-hydroxy-5′-methyl-phenyl) benzotriazole, 2- (2′-hydroxy-3′-tertiary-butyl-5′-methylphenyl) -5- Examples include chloro-benzotriazole, 1,2,3-benzotriazole, 1-[(N, N-bis-2-ethylhexyl) aminomethyl] benzotriazole, and 1,2,3-benzotriazole is particularly preferable.
  • the content ratio of the triazoles is preferably 10 mass ppm or more and 1 mass% or less with respect to the non-flammable solvent composition.
  • composition is not particularly limited, and can be used in various applications that require the function of the composition.
  • the present composition is preferably used as a cleaning agent.
  • dirt flux, processing oil, wax, mold release agent, dust, etc.
  • various cleaning methods such as hand wiping, immersion cleaning, spray cleaning, immersion rocking cleaning, immersion ultrasonic cleaning, and steam cleaning can be performed under any cleaning conditions (temperature, amount, number of times, etc.). is there.
  • draining When draining is used as an agent, it is used by a method in which the present composition is brought into contact with the surface of the component or the like to which water has adhered. Examples of the contact method include dipping, spraying, dipping rocking, dipping ultrasonic waves, and vapor exposure.
  • a draining agent it is preferable to employ any draining conditions (temperature, amount, number of times, etc.) as required.
  • Specific volatility ( ⁇ ) The specific volatility ( ⁇ ) was measured by measuring a vapor-liquid equilibrium state under atmospheric pressure (1.011 ⁇ 10 5 Pa) for a mixture of CFO-1214ya and acetone. Specifically, first, a mixed solvent (300 g) obtained by mixing CFO-1214ya and acetone in various mass ratios was used using an Osmer-type vapor-liquid equilibrium distillation apparatus (Osmer equilibrium distillation apparatus B type set manufactured by Shibata Kagaku Co., Ltd.). (Pressure condition: 9.96 ⁇ 10 4 to 1.02 ⁇ 10 5 Pa). And when the mixed solvent became a gas-liquid equilibrium state in the distillation, samples were taken from each of the gas phase and the liquid phase. And the composition of each sample was analyzed using gas chromatography. Thereafter, the relative volatility ( ⁇ ) was determined based on the analysis result.
  • Osmer-type vapor-liquid equilibrium distillation apparatus Osmer equilibrium distillation apparatus B type set manufactured by Shibata Kagaku Co., Ltd.
  • FIG. 1 shows the relationship between the liquid phase concentration (C1) (mass%) and the gas phase concentration (C2) (mass%) related to acetone.
  • Table 1 shows the relationship between the CFO-1214ya content ratio (RL2), the acetone content ratio (RL1), and the relative volatility ( ⁇ ).
  • the CFO-1214ya content ratio (RL2) is in the range of 85.0 mass% to 89.7 mass%
  • the acetone content ratio (RL1) is When it is in the range of 10.3 mass% or more and 15.0 mass% or less, the relative volatility ⁇ is in the range of 0.9 or more and 1.1 or less.
  • the relative volatility ⁇ is in the above range (0.9 ⁇ ⁇ ⁇ 1.1)
  • the composition ratio does not fluctuate greatly when used as a cleaning agent or the like, so that handling is easy.
  • Solvent composition Table 2 shows the composition of the solvent composition used in Examples and Comparative Examples.
  • Stabilizer 1 is 2,6-ditertiarybutyl-4-methylphenol, and stabilizer 2 is N-methylpyrrole.
  • the solvent compositions 1 to 3 and the solvent compositions 6 to 8 have no flash point.
  • the solvent compositions 4 and 5 have a flash point.
  • it is composed of both CFO-1214ya and acetone
  • the content ratio of CFO-1214ya is in the range of 85.0 mass% to 89.7 mass%
  • the content ratio of acetone is 10.3 mass%.
  • it is in the range of mass% or more and 15.0 mass% or less, it is non-flammable.
  • Solubility (Examples 9 to 17) Table 4 shows the results of measuring the solubility of each solvent composition.
  • Oil A (trade name Suncut 50S, manufactured by Nippon Grease Co., Ltd.)
  • Oil B (trade name: Daphnimag Plus HM25, manufactured by Idemitsu Kosan Co., Ltd.)
  • Oil C (trade name: C-4005 working oil, Nippon working oil)
  • the result of the solubility with respect to each of oil D (brand name Reliacut DS10, JX Nippon Mining & Energy Co., Ltd. product) is shown.
  • solder was applied to a JIS-II type substrate coated with the fluxes A and B.
  • the flux was washed using each solvent composition.
  • immersion cleaning 35 ° C., ultrasonic wave: 200 W, 35 kHz
  • cold bath cleaning 20 W, 35 kHz
  • steam cleaning were sequentially performed for 90 seconds.
  • flux cleaning properties were evaluated.
  • the flux cleaning property was evaluated by visual observation.
  • flux cleaning performance was evaluated by measuring ionic residues. The ionic residue was measured using an omega meter (trade name Model 600SMD, manufactured by Nippon Alpha Metals Co., Ltd.) under a measurement time of 15 minutes.
  • Evaluation by ionic residue measurement was performed according to the following criteria (measured values in parentheses in the table). ⁇ : 14 ⁇ g NaCl / sq. in. In the following cases: x: 14 ⁇ g NaCl / sq. in. When exceeding

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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)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Detergent Compositions (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Abstract

L'invention concerne une composition de solvant non inflammable ou similaire qui est facile à manipuler et qui présente notamment d'excellentes performances de nettoyage. La composition de solvant non inflammable comprend du 1,1-dichloro-2,3,3,3-tétrafluoropropène et de l'acétone, le rapport en masse du 1,1-dichloro-2,3,3,3-tétrafluoropropène à l'acétone étant de 85/15 à 89,7/10,3.
PCT/JP2015/080134 2014-10-29 2015-10-26 Composition de solvant non inflammable WO2016068088A1 (fr)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2999815A (en) * 1960-08-11 1961-09-12 Du Pont Azeotropic composition
JPS61133298A (ja) * 1984-11-28 1986-06-20 アライド・コーポレーシヨン トリクロルトリフルオルエタン、エタノール、アセトン、ニトロメタンおよびヘキサンの共沸混合物様組成物
JPS62220599A (ja) * 1986-03-24 1987-09-28 旭化成株式会社 フロン系溶剤組成物
JP2013224383A (ja) * 2012-04-23 2013-10-31 Asahi Glass Co Ltd 洗浄用溶剤組成物
WO2014073372A1 (fr) * 2012-11-07 2014-05-15 旭硝子株式会社 Composition de solvant

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2999815A (en) * 1960-08-11 1961-09-12 Du Pont Azeotropic composition
JPS61133298A (ja) * 1984-11-28 1986-06-20 アライド・コーポレーシヨン トリクロルトリフルオルエタン、エタノール、アセトン、ニトロメタンおよびヘキサンの共沸混合物様組成物
JPS62220599A (ja) * 1986-03-24 1987-09-28 旭化成株式会社 フロン系溶剤組成物
JP2013224383A (ja) * 2012-04-23 2013-10-31 Asahi Glass Co Ltd 洗浄用溶剤組成物
WO2014073372A1 (fr) * 2012-11-07 2014-05-15 旭硝子株式会社 Composition de solvant

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