WO2021131810A1

WO2021131810A1 - Solvent composition and use thereof

Info

Publication number: WO2021131810A1
Application number: PCT/JP2020/046356
Authority: WO
Inventors: 宏明光岡
Original assignee: Ａｇｃ株式会社
Priority date: 2019-12-24
Filing date: 2020-12-11
Publication date: 2021-07-01
Also published as: CN114846129A; CN114846129B; JPWO2021131810A1

Abstract

The present invention provides: a solvent composition which exerts no adverse influence on the global environment, exerts little influence on resinous materials, has sufficient dryability, and has excellent solubility in oils, fats, etc.; a method for cleaning an article using the solvent composition; a method for producing a coated article; a heat transfer medium comprising the solvent composition; and a thermal cycle system employing the heat transfer medium.　The solvent composition is characterized by comprising 1-chloro-2,3,3-trifluoro-1-propene and at least one hydrofluoroether selected from the group consisting of nonafluorobutoxymethane and nonafluorobutoxyethane, the proportion of the 1-chloro-2,3,3-trifluoro-1-propene being 25-75 mass% with respect to the total amount of the 1-chloro-2,3,3-trifluoro-1-propene and the hydrofluoroether, the total content of the 1-chloro-2,3,3-trifluoro-1-propene and the hydrofluoroether being 70 mass% or higher.

Description

Solvent composition and its uses

The present invention relates to solvent compositions and their uses.

Conventionally, as a diluting solvent for oil stain cleaning, flux cleaning, dust cleaning, water removal solvent, dry cleaning solvent, reaction solvent, lubricant, etc., hydrofluorochlorocarbon (hereinafter, also referred to as HCFC) having excellent nonflammability, low toxicity, and stability. ) Has been used. However, since HCFCs have an adverse effect on the ozone layer, production of HCFCs is scheduled to be completely abolished in 2020 in developed countries.
As a solvent that does not adversely affect the ozone layer, perfluorocarbon (hereinafter, also referred to as PFC), hydrofluorocarbon (hereinafter, also referred to as HFC), hydrofluoroether (hereinafter, also referred to as HFE) and the like are known.
However, due to the large global warming potential, HFCs and PFCs are regulated substances under the Kyoto Protocol. Moreover, the solubility of oils is lower than that of HCFCs, limiting the scope of application of HFCs, HFEs and PFCs.

1-Chloro-2,3,3-trifluoro-1-propene (hereinafter, also referred to as HCFO-1233yd) has been proposed as a solvent that does not adversely affect the global environment and has the same solubility as HCFC. (Patent Documents 1 and 2).

Special Table 2013-504658 Special Table 2013-506731

Since the HCFO-1233yd has a chlorine atom in the molecule, it has a performance as an oil stain cleaner. However, when the HCFO-1233yd alone comes into contact with the resin material, there may be an effect on the resin material such as whitening or cracking of the resin material or dissolution of the resin. Therefore, there is a problem that the HCFO-1233yd is difficult to use when cleaning a part containing such a resin material or when applying a lubricant or the like to a part containing the resin material.
In order to overcome the above problems, a method of adding a chlorine-free fluorine-based solvent such as HFC and HFE has been known as in Patent Document 1. However, there is a problem that the solubility of the processing oil is lowered by the addition of HFC and HFE.

From the above, no solvent composition that satisfies the following three conditions has been found. It has (1) reduces the effect on the resin material, (2) has the same solubility as when used alone with HCFO-1233yd, and (3) has an azeotropic composition or a pseudo-azeotropic composition.

The present invention has a solvent composition, a cleaning agent, and a coating film forming composition that do not adversely affect the global environment, have a small effect on the resin material, have sufficient volatility, and have excellent solubility in oils and the like. Provided are a product, an aerosol composition, a method for cleaning an article using the solvent composition, a method for producing a base material with a coating film, a heat transfer medium containing the solvent composition, and a heat cycle system using the heat transfer medium. The purpose is.

The present invention provides a solvent composition having the following constitution and its use.
[1] Containing 1-chloro-2,3,3-trifluoro-1-propene and at least one hydrofluoroether selected from the group consisting of nonafluorobutoxymethane and nonafluorobutoxyethane.
The ratio of 1-chloro-2,3,3-trifluoro-1-propene to the total amount of 1-chloro-2,3,3-trifluoro-1-propene and the hydrofluoroether is 25 to 75% by mass. Yes,
The total content of 1-chloro-2,3,3-trifluoro-1-propene and the hydrofluoroether is 70% by mass or more.
A solvent composition characterized by that.
[2] The solvent composition according to [1], wherein the total content of the 1-chloro-2,3,3-trifluoro-1-propene and the hydrofluoroether is 90% by mass or more.
[3] The method according to [1] or [2], wherein 1-chloro-2,3,3-trifluoro-1-propene comprises at least one selected from the group consisting of Z isomer and E isomer. Solvent composition.
[4] The solvent composition according to [3], wherein 1-chloro-2,3,3-trifluoro-1-propene contains 50% by mass or more of the Z isomer.
[5] Nonaflate butoxymethane is 1-methoxy-2-trifluoromethyl-1,1,2,3,3,3-hexafluoropropane and 1-methoxy-1,1,2,2,3,3. , 4, 4,4-Consists of at least one selected from the group consisting of nonaflate butane,
Nonaflate butane is 1-ethoxy-2-trifluoromethyl-1,1,2,3,3,3-hexafluoropropane and 1-ethoxy-1,1,2,2,3,3,4. The solvent composition according to any one of [1] to [4], which comprises at least one selected from the group consisting of 4,4-nonafluorobutane.
[6] The solvent composition according to any one of [1] to [5], further comprising a stabilizer that suppresses the decomposition of 1-chloro-2,3,3-trifluoro-1-propene.
[7] The solvent composition according to [6], wherein the content of the stabilizer is 1 mass ppm to 5 mass% with respect to the total amount of 1-chloro-2,3,3-trifluoro-1-propene. Stuff.
[8] A cleaning agent comprising the solvent composition according to any one of [1] to [7].
[9] A cleaning method comprising bringing the solvent composition according to any one of [1] to [7] into contact with an article to remove stains adhering to the surface of the article.
[10] The cleaning method according to [9], wherein at least a part of the material on the surface of the article in contact with the solvent composition is a resin material.
[11] A coating film-forming composition containing a non-volatile organic compound and the solvent composition according to any one of [1] to [7].
[12] After applying the coating film-forming composition according to [11] to the surface of the base material, the solvent composition is evaporated to form a coating film containing the non-volatile organic compound, with a coating film. Method of manufacturing a base material.
[13] The method for producing a base material with a coating film according to [12], wherein at least a part of the material on the surface of the base material in contact with the solvent composition is a resin material.
[14] An aerosol composition containing a solute, a propellant, and the solvent composition according to any one of [1] to [7].
[15] A heat transfer medium for a thermodynamic cycle system, which comprises the solvent composition according to any one of [1] to [7].

The solvent composition of the present invention does not adversely affect the global environment, reduces the influence on the resin material, has sufficient volatility, and is excellent in the solubility of hydrophobic solutes such as oils.
The method for cleaning an article of the present invention does not adversely affect the global environment, reduces the influence on the resin material, and can clean the dirt adhering to the article.
According to the method for producing a coated article of the present invention, the coated article can be produced without adversely affecting the global environment and reducing the influence on the article.

(Solvent composition)
The solvent composition of the present invention includes HCFO-1233yd, nonafluorobutoxymethane (C ₄ F ₉ OCH ₃ , hereinafter also referred to as HFE-449s1), nonafluorobutoxyethane (C ₄ F ₉ OC ₂ H ₅ , hereinafter). , HFE-569sf), and at least one HFE selected from the group. Hereinafter, the specific HFE is also referred to as HFE (A).
In the solvent composition of the present invention, the content ratio of HCFO-1233yd to the total amount of HCFO-1233yd and HFE (A) is 25 to 75% by mass, and HCFO-1233yd and HFE (A) with respect to the solvent composition of the present invention. The total amount of is 70% by mass or more. From the viewpoint of the solubility of the solute, the total amount of HCFO-1233yd and HFE (A) in the solvent composition is preferably 90% by mass or more based on the total amount of the solvent composition. Further, in the solvent composition of the present invention, the influence on the resin material described later is reduced by optimizing the composition ratio of the solvent composition.

In the solvent composition of the present invention, the mass ratio of HCFO-1233yd and HFE (A) is within the range of 25 to 75% by mass in the content ratio of HCFO-1233yd to the total amount of HCFO-1233yd and HFE (A). From the viewpoint that the composition does not change during use and the solvent composition can be easily reused, the mass ratio for forming a pseudo-azeotropic mixture is preferable, and the mass ratio for forming an azeotropic mixture is preferable. More preferred.
In the present invention, the pseudo-azeotropic mixture means a mixture having a specific azeotrope of 0.5 to 2, which will be described later, and the azeotropic mixture means a mixture having a specific azeotrope of 1.
The specific volatility of the mixture of both HCFO-1233yd and HFE (A) varies depending on the type and composition of each (for example, steric isomer ratio and structural isomer ratio), but HCFO-1233yd and HFE (A) Many mixtures in the range in which the content ratio of HCFO-1233yd to the total amount of azeotrope is 25 to 75% by mass are pseudo-azeotropic mixtures and may be azeotropic mixtures.

(HCFO-1233yd)
HCFO-1233yd is an olefin having a carbon atom-carbon atom double bond. Therefore, the life in the atmosphere is short, and the ozone depletion potential and global warming potential are small.
It is known that HCFO-1233yd has a stereoisomer, and the boiling point of the Z isomer of HCFO-1233yd (hereinafter, also referred to as HCFO-1233yd (Z)) is 54 ° C., and that of HCFO-1233yd. The boiling point of the E isomer (hereinafter, also referred to as HCFO-1233yd (E)) is 46 ° C. By a known production method, HCFO-1233yd (Z) and HCFO-1233yd (E) and a mixture thereof (usually, the proportion of HCFO-1233yd (Z) is high) can be obtained, and both can be separated by distillation. it can. The HCFO-1233yd contained in the solvent composition of the present invention may be only one of both isomers, but in consideration of productivity, it is a mixture of isomers having a high proportion of HCFO-1233yd (Z). preferable. In the isomer mixture contained in the solvent composition of the present invention, the content of HCFO-1233yd (Z) is preferably 50% by mass or more, more preferably 75 to 98% by mass, and 90 to 98%. It is particularly preferably mass%.
Since it has the above boiling point, HCFO-1233yd has excellent volatility and is easy to handle.
HCFO-1233yd has no flash point.
HCFO-1233yd has low surface tension and viscosity, and easily evaporates even at room temperature.
HCFO-1233yd is excellent in cleaning and removing processing oil, fluorine oil, silicone oil, synthetic oil, mold release agent, dust and the like, and solubility of lubricants such as fluorine oil and silicone oil.

As described above, HCFO-1233yd has excellent solubility of various hydrophobic solutes and has sufficient performance as a diluting solvent for detergents and lubricants. Further, since HCFO-1233yd has a boiling point suitable for a solvent, it is easy to handle at the time of use, and since it does not volatilize when used at room temperature, it can be recovered and reused, and the cost can be suppressed.

HCFO-1233yd, for example, industrially stably available 1-chloro-2,2,3,3-tetrafluoro-propane _(CHF ₂ -CF ₂ -CHFCl. Hereinafter referred to as HCFC-244ca.) The It can be produced by a hydrogen fluoride reaction at a temperature of 50 to 80 ° C. using potassium hydroxide or sodium hydroxide as a reactant.

On the other hand, HCFO-1233yd is not sufficiently stable, and when HCFO-1233yd is stored at normal temperature and pressure, it decomposes in a few days to generate chloride ions. Therefore, it is preferable that the solvent composition of the present invention contains HCFO-1233yd and a stabilizer that suppresses its decomposition. As the stabilizer, nitro compounds, amines, phenols, benzotriazoles, epoxide compounds and hydrocarbons are preferable. Since the solvent composition of the present invention contains such a stabilizer, the solvent composition can be used without decomposition even under harsh conditions such as heating conditions. As the stabilizer, one kind may be used, or two or more kinds may be used.
When the solvent composition of the present invention contains such a stabilizer, the amount of the stabilizer is preferably 1 mass ppm or more, preferably 3 mass ppm or more, based on the total amount of HCFO-1233 yd in the solvent composition. It is more preferable that there is, and it is particularly preferable that it is 5 mass ppm or more. The upper limit of the amount of the stabilizer is preferably 5% by mass, particularly preferably 1% by mass.

Examples of the stabilizer include nitro compounds such as nitromethane, nitroethane, nitropropane and nitrobenzene, diethylamine, triethylamine, isopropylamine, diisopropylamine, butylamine, isobutylamine, tert-butylamine, α-picolin, N-methylbenzylamine and diallylamine. Amines such as N-methylmorpholin and N-methylpyrrole, phenol, o-cresol, m-cresol, p-cresol, timol, p-tert-butylphenol, tert-butylcatechol, catechol, isooigenol, o-methoxyphenol , 4,4'-Dihydroxyphenyl-2,2-propane, isoamyl salicylate, benzyl salicylate, methyl salicylate, phenols such as 2,6-di-t-butyl-p-cresol, 2- (2'-hydroxy- 5'-Methylphenyl) benzotriazole, 2- (2'-hydroxy-3'-t-butyl-5'-methylphenyl) -5-chlorobenzotriazole, 1,2,3-benzotriazole, 1-[( N, N-bis-2-ethylhexyl) aminomethyl] benzotriazoles such as benzotriazoles, 1,2-propylene oxide, 1,2-butylene oxide, 1,4-dioxane, butylglycidyl ether, phenylglycidyl ether and the like. Examples thereof include hydrocarbons such as epoxy compounds, isoamylene, 2,4,4-trimethyl-1-pentene, 2,4,4-trimethyl-2-pentene and diisobutylene.

(HFE (A))
By containing HFE (A), the solvent composition of the present invention reduces the influence on the resin material and has excellent solubility of oils and the like.

HFE-449s1:
HFE-449s1 means a compound represented by _{C 4} F ₉ OCH _3. HFE-449s1 has four types of structural isomers, and the HFE-449s1 contained in the solvent composition of the present invention may be only one of them, or a mixture of two or more of them. May be good. The HFE-449s1 contained in the solvent composition of the present invention includes 1-methoxy-2-trifluoromethyl-1,1,2,3,3,3-hexafluoropropane and 1-methoxy-1,1,. A mixture with 2,2,3,3,4,5,4-nonafluorobutane is preferred. Examples of this mixture include the product "Novec7100" (manufactured by 3M Ltd.).
HFE-449s1 has a boiling point of 61 ° C., and even if it is boiled to become steam, it is 61 ° C., so even parts that are easily affected by heat, such as resin parts, are unlikely to have an adverse effect.
HFE-449s1 has no flash point.
HFE-449s1 has low surface tension and viscosity, and easily evaporates even at room temperature.
HFE-449s1 can be used for resin materials such as acrylic resin, ABS resin, polycarbonate, and polyethylene, which are less affected by the resin material and cannot use HCFO-1233yd.
On the other hand, since HFE-449s1 does not have a chlorine atom in its molecule, the solubility of oils such as processing oil and lubricating oil is not sufficient.

As described above, HFE-449s1 has no flash point except that the solubility of oils is not sufficient, has a small effect on the resin material, and is excellent in volatility.

HFE-449s1 can be produced by a known method.
For example, as described in Japanese Patent No. 2908033, CF ₃ CF ₂ CF ₂ C (O) F, CF ₃ CF (CF ₃ ) C (O) F and C ₂ F ₅ C (O) CF ₃ and These mixtures and any suitable source of anhydrous fluoride ions, such as anhydrous alkali metal fluoride (eg, potassium fluoride or cesium fluoride), or anhydrous silver fluoride, are obtained from the Aldrich Chemical Company. It can be prepared by reacting with an alkylating agent such as dimethylsulfate in an anhydrous polar aproton solvent in the presence of a possible quaternary ammonium compound such as ADOGEN464.

HFE-569sf:
HFE-569sf means a compound represented by _{C 4} F ₉ OC ₂ H _5. HFE-569sf has four types of structural isomers, and the HFE-569sf contained in the solvent composition of the present invention may be only one of them, or a mixture of two or more of them. May be good. The HFE-569sf contained in the solvent composition of the present invention includes 1-ethoxy-2-trifluoromethyl-1,1,2,3,3,3-hexafluoropropane and 1-ethoxy-1,1,. A mixture of 2,2,3,3,4,5,4-nonafluorobutane is preferred. Examples of this mixture include the product "Novec7200" (manufactured by 3M).
HFE-569sf has a boiling point of 76 ° C., and even if it is boiled to become steam, it is at 76 ° C., so even parts that are easily affected by heat, such as resin parts, are unlikely to have an adverse effect.
HFE-569sf has no flash point.
HFE-569sf has low surface tension and viscosity, and easily evaporates even at room temperature.
HFE-569sf can be used for resin materials such as acrylic resin, ABS resin, polycarbonate, and polyethylene, which are less affected by the resin material and cannot use HCFO-1233yd.
On the other hand, since HFE-569sf does not have a chlorine atom in its molecule, the solubility of oils such as processing oils and lubricating oils is not sufficient.

As described above, HFE-569sf has no flash point except that the solubility of oils is not sufficient, has a small effect on the resin material, and is excellent in volatility.

HFE-569sf can be produced by a known method.
For example, as described in Japanese Patent No. 3068199, CF ₃ CF ₂ CF ₂ C (O) F, CF ₃ CF (CF ₃ ) C (O) F, and C ₂ F ₅ C (O) CF ₃ ADOGEN 464 as well as mixtures thereof and any suitable source of anhydrous fluoride ions such as anhydrous alkali metal fluoride (eg, potassium fluoride or cesium fluoride) or anhydrous silver fluoride are available from the Aldrich Chemical Company. It can be prepared by reacting with an alkylating agent such as diethyl fluoride in an anhydrous polar aproton solvent in the presence of a quaternary ammonium compound such as.

The solvent composition of the present invention is an organic solvent other than HCFO-1233yd and HFE (A) (hereinafter, organic) in an amount of 30% by mass or less, preferably 10% by mass or less based on the total amount of the solvent composition, if necessary. It may also contain a solvent (B)).

(Organic solvent (B))
The organic solvent (B) is an organic solvent that is soluble in HCFO-1233yd and HFE (A). The organic solvent (B) is appropriately selected according to various purposes such as increasing the solubility and adjusting the volatilization rate.
Examples of the organic solvent (B) include HCFO-1233yd, hydrocarbons soluble in HFE (A), alcohols, ketones, non-fluorinated ethers, esters, chlorocarbons, HFCs, and HFEs (excluding HFE (A)). Examples thereof include HFO and HCFO other than HCFO-1233yd.
In the solvent composition of the present invention, the organic solvent (B) is preferably 10% by mass or less, more preferably 7% by mass or less, and particularly preferably 5% by mass or less, based on the total amount of the solvent composition.

As the hydrocarbon, a hydrocarbon having 5 or more carbon atoms is preferable. The hydrocarbon may be chain-like, cyclic, saturated hydrocarbon, or unsaturated hydrocarbon.
As the hydrocarbon, n-pentane, cyclopentane, n-hexane, cyclohexane, and n-heptane are preferable.

As the alcohol, an alcohol having 1 to 16 carbon atoms is preferable. The alcohol may be chain-like, cyclic, saturated alcohol, or unsaturated alcohol.
As the alcohol, methanol, ethanol and isopropyl alcohol are preferable.

As the ketone, a ketone having 3 to 9 carbon atoms is preferable. The ketone may be chain-like, cyclic, saturated ketone, or unsaturated ketone.
As the ketone, acetone and methyl ethyl ketone are preferable.

As the non-fluorine-based ether, an ether having 2 to 8 carbon atoms is preferable. The non-fluorine-based ether may be chain-like, cyclic, saturated ether, or unsaturated ether.
As the ether, diethyl ether, diisopropyl ether and tetrahydrofuran are preferable.

As the ester, an ester having 2 to 19 carbon atoms is preferable. The ester may be chain-like, cyclic, saturated ester, or unsaturated ester.
As the ester, methyl acetate and ethyl acetate are preferable.

As the chlorocarbon, chlorocarbon having 1 to 3 carbon atoms is preferable. The chlorocarbon may be chain-like, cyclic, saturated chlorocarbon, or unsaturated chlorocarbon.
As the chlorocarbon, methylene chloride, trans-1,2-dichloroethylene and trichlorethylene are more preferable.

As the HFC, a chain or cyclic HFC having 4 to 8 carbon atoms is preferable, and an HFC having a fluorine atom number in one molecule of hydrogen atoms or more is more preferable.
As HFC, 1,1,1,2,2,3,4,5,5-decafluoropentane, 1,1,1,2,2,3,3,4,4-nonafluorohexane, 1,1,1,2,2,3,3,4,5,5,6,6-tridecafluorohexane is preferable.
As the HFE other than HFE (A), 1,1,2,2-tetrafluoroethoxy-1- (2,2,2-trifluoro) ethane (hereinafter, also referred to as HFE-347pc-f) and the like are preferable. ..
As the HCFO other than HFO and HCFO-1233yd, a chain HFO having 3 or 4 carbon atoms and an HCFO other than HCFO-1233yd are preferable. The HFO is preferably the E isomer or the Z isomer of 1,1,1,4,4,4-hexafluoro-2-butene, and the HCFO other than HCFO-1233yd is 1-chloro-3,3,3. The E or Z isomer of 3-trifluoropropene is preferred.

The organic solvent (B) may be one kind or two or more kinds. When two or more kinds of organic solvents (B) are contained, the combination thereof may be a combination of solvents in the same category or a combination of solvents in different categories. For example, it may be a combination of two kinds selected from hydrocarbons, or a combination of one kind selected from hydrocarbons and one kind selected from alcohols.

It is more preferable that the organic solvent (B) is a solvent having no flash point. Organic solvents that do not have a flammable point include 1,1,1,2,2,3,4,5,5-decafluoropentane, 1,1,1,2,2,3,3,4. HFCs such as 4-nonafluorohexane, 1,1,1,2,2,3,3,4,5,5,6,6-tridecafluorohexane, and HFEs such as HFE-347pc-f, HFO such as E isomer or Z isomer of 1,1,1,4,4,4-hexafluoro-2-butene, E isomer or Z isomer of 1-chloro-3,3,3-trifluoropropene HCFO and the like of the body and the like can be mentioned. When a solvent having a flash point is used as the organic solvent (B), it is preferable to use the solvent composition within a range not having a flash point.

The solvent composition of the present invention does not adversely affect the global environment, reduces the influence on the resin material, has sufficient volatility, and has excellent solubility of hydrophobic substances such as oils and mineral oils.
Since the solvent composition of the present invention has excellent performance as a solvent, it can be used as a cleaning agent for removing hydrophobic substances such as oil stain cleaning, flux cleaning, precision cleaning, dry cleaning of clothes and stain removal.
Further, the solvent composition of the present invention includes a silicone-based lubricant, a lubricant such as a fluorine-based lubricant, a rust preventive made of mineral oil, synthetic oil, etc., a moisture-proof coating agent for water-repellent treatment, and an antifouling treatment. It can be used as a solvent for forming a coating film of a hydrophobic substance such as an antifouling coating agent such as a fingerprint adhesion inhibitor for applying. That is, the hydrophobic substance is dissolved in the solvent composition of the present invention to obtain a coating film forming composition, the coating film forming composition is applied to the surface of an article, and then the solvent is evaporated and removed to obtain the hydrophobic substance. The coating film can be formed.
Further, the solvent composition of the present invention is also suitable as a heat transfer medium for heating or cooling an article.

(Cleaning agent and cleaning method for articles)
The cleaning agent of the present invention is characterized by comprising the solvent composition of the present invention.
The cleaning method of the present invention is characterized in that the solvent composition of the present invention is brought into contact with an article to remove stains adhering to the article.

As a specific cleaning method, the solvent composition of the present invention may be brought into contact with the surface of the article. Although not particularly limited, for example, hand wiping, immersion, spraying, shaking, ultrasonic waves, steam cleaning, or a method combining these may be adopted. Known cleaning devices, cleaning conditions, and the like can be appropriately selected.

For example, a cleaning device and a cleaning method shown in International Publication No. 2008/149907 can be mentioned.
When cleaning is performed using the solvent composition of the present invention with the cleaning apparatus shown in International Publication No. 2008/149907, the temperature of the solvent composition of the present invention in the first immersion tank is 25 ° C. or higher, and the solvent composition It is preferable that the temperature is lower than the boiling point of the product. Within the above temperature range, dirt such as processing oil can be easily washed, and the cleaning effect by ultrasonic waves is high. Further, it is preferable that the temperature of the solvent composition of the present invention in the second immersion tank is 10 to 35 ° C. If it is within the above temperature range, the rinsing and cleaning effect is high. Further, from the viewpoint of detergency, it is preferable that the temperature of the solvent composition of the present invention in the first immersion tank is higher than the temperature of the solvent composition in the second immersion tank.

Examples of the material of the article to which the solvent composition of the present invention can be applied include metals, resins, elastomers, glass, and ceramics. Further, the article may be an article made of a composite material having these two or more kinds of materials. Examples of the composite material include a laminate of metal and resin. In particular, the solvent composition of the present invention relates to an article made of a material containing a resin such as ABS resin, polycarbonate (PC), polystyrene (PS), and polyether sulfone (PES), for which HCFO-1233yd could not be used. Can also be used.
Specific examples of the articles include textile products, medical equipment, electrical / electronic equipment, precision machinery, optical equipment, transportation machinery, and parts thereof. Specific examples of electrical / electronic equipment, precision machinery, optical equipment, transportation machinery and their parts include resistors such as electric wires, fuses, current controllers, transformers, electric heaters, capacitors and thermistas, transformers, inductors and switches. , Acoustic parts such as connectors and speakers, sensors such as light and heat, actuators such as motors, power supply parts, crystal oscillators, crystal oscillators, filters, antenna parts, printed circuit boards, relays, optical lenses, glass on which these are mounted. Examples include substrates, bearings, gears, chains, and brakes. In particular, the solvent composition of the present invention can also be used for an article in which at least a part of the material on the surface of the article in contact with the solvent composition is a resin material such as the above resin.

The solvent composition of the present invention is characterized by reducing the influence on the resin material. It is preferable to change the content ratio of the composition for each resin material to be cleaned. When the article having a surface made of ABS resin, polycarbonate or polystyrene is the object to be cleaned, the content ratio of HCFO-1233yd to the total amount of HCFO-1233yd and HFE (A) as the solvent composition is 25 to 50% by mass. The composition is preferred. On the other hand, when the article having a surface made of polyether sulfone is an object to be cleaned, the solvent composition is preferably a composition in which the content ratio of HCFO-1233yd is 50 to 75% by mass. With these solvent compositions, the influence on each resin material can be reduced.

In the cleaning method of the present invention, examples of the deposits to be washed and removed include flux, processing oil, mold release agent, dust and the like adhering to various objects to be cleaned. Examples of the processing oil include cutting oil, quenching oil, rolling oil, lubricating oil, machine oil, press processing oil, punching oil, drawing oil, assembly oil, drawing oil and the like. Since this solvent composition is superior in solubility in these oils as compared with conventional solvent compositions such as HFC and HFE, it is preferable to use this solvent composition for cleaning stains composed of these oils.

(Composition for forming a coating film, method for producing a base material with a coating film)
The solvent composition of the present invention can also be used as a solvent for forming a coating film of a non-volatile organic compound.
The coating film forming composition of the present invention is characterized by containing a non-volatile organic compound and the solvent composition of the present invention.
In the method for producing a coating film-coated substrate of the present invention, the coating film-forming composition of the present invention is applied to the surface of the substrate, and then the solvent composition of the present invention is evaporated and removed to remove the non-volatile organic material. It is characterized by forming a coating film of a compound.

The coating film forming composition is usually prepared as a solution-like composition in which a non-volatile organic compound is dissolved in the solution composition of the present invention. The method for preparing the coating film forming composition is not particularly limited as long as it is a method capable of uniformly dissolving the non-volatile organic compound in the solvent composition of the present invention in a predetermined ratio. The coating film forming composition is basically composed only of a non-volatile organic compound and the solvent composition of the present invention.

The content of the non-volatile organic compound in the coating film forming composition (100% by mass) is preferably 0.01 to 50% by mass, more preferably 0.05 to 30% by mass, and 0.1 to 20% by mass. % Is particularly preferable. When the content of the non-volatile organic compound is within the above range, the film thickness of the coating film when the coating film forming composition is applied and the non-volatile after evaporation removal (hereinafter, also referred to as drying) of the solvent composition. It is easy to adjust the thickness of the organic compound coating film within an appropriate range.

Here, the non-volatile organic compound in the present invention has a boiling point higher than that of the solvent composition of the present invention, and the organic compound remains on the surface even after the solvent composition evaporates. Specific examples of the non-volatile organic compound include a lubricant for imparting lubricity to an article, a rust inhibitor for imparting a rust preventive effect on metal parts, and a moisture-proof coating agent for imparting water repellency to an article. Examples thereof include antifouling coating agents such as anti-fingerprint agents for imparting antifouling performance to articles. In the method for producing a base material with a coating film of the present invention, it is preferable to use a lubricant as a non-volatile organic compound from the viewpoint of solubility.

Lubricant means a lubricant used to reduce friction on the contact surface and prevent heat generation and friction damage when the two members move with their surfaces in contact with each other. The lubricant may be in the form of a liquid (oil), a semi-solid (grease), or a solid.

As the lubricant, a mineral oil-based lubricant, a synthetic oil-based lubricant, a fluorine-based lubricant or a silicone-based lubricant is preferable because of its excellent solubility in the solvent composition of the present invention. The fluorine-based lubricant means a lubricant having a fluorine atom in the molecule. Further, the silicone-based lubricant means a lubricant containing silicone. The lubricant contained in the coating film forming composition may be one kind or two or more kinds. The fluorine-based lubricant and the silicone-based lubricant may be used alone or in combination.

Examples of the fluorine-based lubricant include fluorine-based solid lubricants such as fluorine oil, fluorine grease, and resin powder of polytetrafluoroethylene. As the fluorine oil, a low polymer of perfluoropolyether or chlorotrifluoroethylene is preferable. For example, the product names "Clitex (registered trademark) GPL102" (manufactured by DuPont Co., Ltd.), "Daikin", "Daikin # 3", "Daikin # 10", "Daikin # 20", "Daikin # 50", Examples thereof include "Daifuroil # 100" and "Demnum S-65" (manufactured by Daikin Industries, Ltd.). As the fluorine grease, it is preferable that a fluorine oil such as a low polymer of perfluoropolyether or chlorotrifluoroethylene is used as a base oil, and a polytetrafluoroethylene powder or other thickener is blended. For example, product names "Kleitox (registered trademark) Grease 240AC" (manufactured by DuPont Co., Ltd.), "Diefloil Grease DG-203", "Demnum L65", "Demnam L100", "Demnam L200" (above, Daikin Industries) (Manufactured by Co., Ltd.), "Sumitec F936" (manufactured by Sumiko Lubricant Co., Ltd.), "Moricoat (registered trademark) HP-300", "Moricoat (registered trademark) HP-500", "Moricoat (registered trademark) HP-870" , "Moricoat (registered trademark) 6169" and the like.

Examples of silicone-based lubricants include silicone oil and silicone grease. As the silicone oil, dimethyl silicone, methyl hydrogen silicone, methyl phenyl silicone, cyclic dimethyl silicone, and modified silicone oil in which an organic group is introduced into a side chain or a terminal are preferable. For example, product names "Shinetsu Silicone KF-96", "Shinetsu Silicone KF-965", "Shinetsu Silicone KF-968", "Shinetsu Silicone KF-868", "Shinetsu Silicone KF-99", "Shinetsu Silicone KF-50" , "Shinetsu Silicone KF-54", "Shinetsu Silicone HIVAC F-4", "Shinetsu Silicone HIVAC F-5", "Shinetsu Silicone KF-56A", "Shinetsu Silicone KF-995", "Shinetsu Silicone KF-868" , "Shin-Etsu Silicone KF-859" (above, manufactured by Shin-Etsu Chemical Industry Co., Ltd.), "SH200", "MDX4-4159" (above, manufactured by Toray Dow Corning Co., Ltd.) and the like. As the silicone grease, a product containing various silicone oils mentioned above as a base oil, a thickener such as metal soap, and various additives is preferable. For example, product names "Shinetsu Silicone G-30 Series", "Shinetsu Silicone G-40 Series", "Shinetsu Silicone FG-720 Series", "Shinetsu Silicone G-411", "Shinetsu Silicone G-501", "Shinetsu Silicone" "G-6500", "Shinetsu Silicone G-330", "Shinetsu Silicone G-340", "Shinetsu Silicone G-350", "Shinetsu Silicone G-630" (all manufactured by Shinetsu Chemical Industry Co., Ltd.), "Moricoat (Moricoat) "Registered trademark) SH33L", "Moricoat (registered trademark) 41", "Moricoat (registered trademark) 44", "Moricoat (registered trademark) 822M", "Moricoat (registered trademark) 111", "Moricoat (registered trademark) high vacuum" Examples include "Silicone for Silicone" and "Moricoat (Registered Trademark) Heat Diffusion Compound" (all manufactured by Toray Dow Corning Co., Ltd.).

The rust preventive agent means an agent used to cover the surface of a metal that is easily oxidized by oxygen in the air to generate rust and to block the metal surface from oxygen to prevent rusting of the metal material. Examples of the rust preventive include mineral oils, polyol esters, polyalkylene glycols, and synthetic oils such as polyvinyl ether.

Examples of products of the moisture-proof coating agent include Topas 5013, Topas 6013, Topas 8007 (above, manufactured by Polyplastics), Zeonoa 1020R, Zeonoa 1060R (above, manufactured by Nippon Zeon), Appel 6011T, Appel 8008T (above, Mitsui). (Manufactured by Chemicals), SFE-DP02H, SNF-DP20H (all manufactured by AGC Seimi Chemicals). Examples of antifouling coating agents such as anti-fingerprint agents include Optool DSX, Optool DAC (above, manufactured by Daikin Industries, Ltd.) Fluorosearch FG-5000 (above, manufactured by Fluorotechnology) SR-4000A (above, AGC). (Manufactured by Seimi Chemical Co., Ltd.).

The coating film forming composition is applied to the surface of the base material to form a film of the coating film forming composition on the surface of the base material, and then the solvent composition is formed from the film of the coating film forming composition formed on the surface of the base material. By evaporating and removing the substance, a coating film made of a non-volatile organic compound is formed on the surface of the base material.

Examples of the coating method of the coating film forming composition include coating by a brush, coating by spraying, coating by immersing an article in the coating film forming composition, and tube or injection by sucking up the coating film forming composition. Examples thereof include a coating method in which the coating film forming composition is brought into contact with the inner wall of the needle.

As a method for evaporating and removing the solvent composition from the coating film forming composition, a known drying method can be mentioned. Examples of the drying method include air drying and drying by heating. The drying temperature is preferably 20 to 100 ° C.

By the method for producing a base material with a coating film of the present invention, it is possible to produce a base material with a coating film having a coating film containing a lubricant, a rust preventive, a moisture-proof coating agent, an antifouling coating agent, etc. it can. That is, as the base material to which the coating film forming composition is applied, a base material made of various materials such as metal, resin, rubber, glass, and ceramics is adopted. Further, the coating film forming composition of the present invention can be applied to an article containing a resin material without any influence.

Specific examples of the base material with a coating include those in which a fluorine-based lubricant is used, and household equipment such as CD and DVD tray parts, printers, copy equipment, and flux equipment in industrial equipment, personal computers, and audio equipment. Alternatively, office equipment and the like can be mentioned. Examples of those in which a silicone-based lubricant is used include syringes, cylinders, medical tube parts, metal blades, catheters and the like. Examples of products to which a moisture-proof coating agent or an antifouling coating agent has been used include equipment used to impart moisture-proof and stain-proof properties to plastic materials, rubber materials, metal materials, glass materials, mounting recovery plates, etc. Be done.

The solvent composition of the present invention is characterized by reducing the influence on the resin material. When at least a part of the material on the surface of the base material in contact with the solvent composition is a resin material, it is preferable to change the content ratio of the composition for each resin material. In the case of a base material having a surface made of ABS resin, polycarbonate or polystyrene, the solvent composition contains 25 to 50% by mass of HCFO-1233yd with respect to the total amount of HCFO-1233yd and HFE (A). The composition is preferred. On the other hand, in the case of a base material having a surface made of polyether sulfone, the solvent composition is preferably a composition in which the content ratio of HCFO-1233yd is 50 to 75% by mass. With these solvent compositions, the influence on each resin material can be reduced.

The solvent composition of the present invention can also be used as an aerosol composition containing a propellant and a solute dissolved in the solvent composition. Examples of the propellant include liquefied gas and compressed gas. Examples of the liquefied gas in the aerosol composition include dimethyl ether (DME), liquefied petroleum gas (LPG), propane, butane, isobutane, 1,1-difluoroethane (HFC-152a), and 1,1,1,2-tetrafluoroethane (1,1,1,2-tetrafluoroethane). HFC-134a), 2,3,3,3-tetrafluoropropene (HFO-1234yf), 1,3,3,3-tetrafluoropropene (HFO-1234ze) and the like. On the other hand, examples of the compressed gas include nitrogen, carbon dioxide, nitrous oxide and the like.

(Heat transfer medium and thermodynamic cycle system)
The solvent composition of the present invention can be used as a working medium (heat transfer medium) for a thermodynamic cycle system. That is, the present invention provides a heat transfer medium containing the solvent composition of the present invention. The heat transfer medium of the present invention can be applied to a thermodynamic cycle system for heating or cooling a substance.

Examples of the heat cycle system include a Rankine cycle system, a heat pump cycle system, a refrigeration cycle system, a heat transport system, a secondary refrigerant cooling system, and the like.
Hereinafter, the refrigeration cycle system will be described as an example of the thermal cycle system.

The refrigeration cycle system is a system that cools the load fluid and cools it to a lower temperature by removing the thermal energy of the working refrigerant with the load fluid in the evaporator. In the refrigeration cycle system, a compressor that compresses the working medium steam A into a high-temperature and high-pressure working medium steam B and a condenser that cools the compressed working medium steam B and liquefies it into a low-temperature and high-pressure working medium C. An expansion valve that expands the working medium C discharged from the condenser to obtain a low-temperature and low-pressure working medium D, and an evaporation valve that heats the working medium D discharged from the expansion valve to obtain a high-temperature and high-pressure working medium steam A. It is a system including a vessel, a pump that supplies the load fluid E to the evaporator, and a pump that supplies the fluid F to the condenser.

Further, the heat transfer medium of the present invention can also be applied to a secondary circulation cooling system.
The secondary circulation cooling system circulates a primary cooling means for cooling a primary refrigerant composed of ammonia or a hydrocarbon refrigerant and a secondary refrigerant for a secondary cooling means system (hereinafter referred to as "secondary refrigerant") to be covered. It is a system having a secondary circulation cooling means for cooling a cooled object and a heat exchanger for cooling the secondary refrigerant by exchanging heat between the primary refrigerant and the secondary refrigerant. This secondary circulation cooling system can cool the object to be cooled. The heat transfer medium of the present invention is preferable for use as a secondary refrigerant.

Hereinafter, the present invention will be described in detail by way of examples. The present invention is not limited to these examples. Examples 1 to 24 are examples of the solvent composition of the present invention, and Examples 25 to 34 are comparative examples.
The HFE used for preparing the solvent composition is as shown below.
HFE-449s1: 3M, Novec7100
HFE-569sf: 3M, Novec7200
HFE-347pc-f: AGC Inc., AE-3000

(Manufacturing example: Production of HCFC-244ca)
1204 g (9.12) of 2,3,3-tetrafluoropropanol (TFPO) in a 2-liter four-necked flask equipped with a glass distillation column (measured number of stages: 5 stages) filled with a stirrer, Dimroth condenser, condenser, and Raschig ring. Mol) and 12 g (0.17 mol) of N, N-dimethylformamide (DMF) were added. 1078 g (9.12 mol) of thionyl chloride was added dropwise, and the mixture was stirred at room temperature for 12 hours. The reactor was heated to 100 ° C., and reactive distillation was carried out using a reflux timer at a reflux time / distillation time ratio of 5/1. The distilled HCFC-244ca was neutralized with a 20 mass% potassium hydroxide aqueous solution. The recovered HCFC-244ca (purity 100% by mass) was 979 g (6.50 mol).

(Manufacturing example: Manufacturing of HCFO-1233yd)
Using 2000 g of HCFC-244ca as a raw material, 19.9 g of tetra-n-butylammonium chloride was added, the reaction temperature was maintained at 50 ° C., and 2792 g of a 40 mass% potassium hydroxide aqueous solution was added dropwise over 30 minutes. Then, the reaction was continued for 52 hours, and the organic layer was recovered. As a result of purifying the recovered organic layer, 1520 g of HCFO-1233yd (Z) having a purity of 100% by mass and 140 g of HCFO-1233yd (E) having a purity of 100% by mass were found.

(Preparation of HCFO-1233yd)
The HCFO-1233yd used in the examples had a mass ratio of HCFO-1233yd (Z) to HCFO-1233yd (E) (1233yd (Z) / 1233yd (E)) of 95 / 5,80 / 20,55 / 45. And p-methoxyphenol was added so as to be 0.01% by mass.

(Azeotrope / pseudo-azeotropic solvent composition)
300 g of compositions 1 to 11 obtained by mixing HCFO-1233yd (Z / E = 95/5) and HFE-449s1 in the mass ratio shown in Table 1 was added to an Osmer vapor-liquid equilibrium distillation apparatus (Shibata Chemical Co., Ltd.). It was placed in (manufactured by) and distilled. The pressure in the apparatus was atmospheric pressure (1.0 × ¹⁰ 5 Pa). After confirming that the temperatures of the gas phase and the liquid phase did not change and became stable even after 1 hour, samples were taken from the gas phase and the liquid phase in the apparatus, and the masses of HCFO-1233yd and HFE-449s1 were measured by gas chromatography. The ratio was measured. The specific volatility was calculated from the mass ratio of HCFO-1233yd and HFE-449s1 in the gas phase and the liquid phase by the formula for obtaining the specific volatility shown below. The results are shown in Table 1. As shown in Table 1, the composition of HCFO-1233yd and HFE-449s1 is an azeotropic or quasi-azeotropic composition.
(Formula for calculating specific volatility)
Specific volatility = (mass% of HCFO-1233yd in the liquid phase part / mass% of HFE in the liquid phase part) / (mass% of HCFO-1233yd in the gas phase part / mass% of HFE in the gas phase part)

The specific volatility of the HCFO-1233yd (Z / E = 95/5) and HFE-569sf compositions was also calculated as shown above. The results are shown in Table 2. As shown in Table 2, the composition of HCFO-1233yd and HFE-449s1 having a mass ratio of 25/75 to 75/25 is also a pseudo-azeotropic composition.

(Preparation of solvent composition)
The HCFO-1233yd and the components shown in Table 3 were mixed so as to have the mass ratio shown in Table 3 to prepare the solvent compositions of Examples 1 to 34.

(Evaluation of solubility in oils)
(Examples 1 to 12, 25, 26, 32 to 34)
Prepare HCFO-1233yd and the above HFE in the amounts shown in Table 3 so that the total amount of the solvent composition in the collection vial bottle is 4.5 g, and lubricate the collection vial bottle with lubricating oil (Shin-Etsu Chemical Co., Ltd., Shin-Etsu Silicone). 0.5 g of KF-96-500 cs and MDX-4159) was added. The solubility of the solution after mixing the solvent composition and the lubricating oil and allowing them to stand at 40 ° C. for 10 minutes was evaluated according to the following criteria.
The results are shown in Table 3. In Table 3, "MDX" refers to MDX4-4159, and "KF" refers to KF-96-500cs.
A: Dissolves uniformly.
B: Slight cloudiness is seen, but there is no problem in practical use.
C: Clear cloudiness or bilayer separation.

(Examples 11 to 24, 27 to 34)
Prepare HCFO-1233yd and the above HFE in the amounts shown in Table 3 so that the total amount of the solvent composition in the collection vial bottle is 4.5 g, and put the metalworking oil (manufactured by Idemitsu Kosan Co., Ltd., Daphni Marg) in the collection vial bottle. Plus LA-5) 0.5 g was added. Solubility was evaluated based on the above criteria for the state (solubility) of the solution after mixing the solvent composition and the metalworking oil and allowing it to stand at 40 ° C. for 10 minutes.
The results are shown in Table 3. In addition, "LA-5" in Table 3 refers to the said Daphni Marg Plus LA-5.

(Evaluation of impact on resin materials)
(Examples 1 to 12, 25, 26, 32 to 34)
In a 100 ml DURAN heat-resistant screw cap bottle, HCFO-1233yd and the HFE were prepared in the amounts shown in Table 3 so that the total amount of the solvent composition was 80 g. The test pieces (20 mm × 30 mm × thickness 3 mm) of PS) were put one by one. After allowing the screw cap heat-resistant bottle to stand at 54 ° C. for one day, the test piece was taken out and the appearance was evaluated according to the following criteria. The results are shown in Table 3.
A: There is no change in the appearance of the test piece.
B: Slight discoloration and surface changes were observed on the test piece, but there is no problem in practical use.
C: Clear discoloration and surface dissolution are seen on the test piece.

(Examples 11 to 24, 27 to 34)
In a 100 ml DURAN heat-resistant screw cap bottle, HCFO-1233 yd and the HFE were each prepared in the amounts shown in Table 3 so that the total amount of the solvent composition was 80 g, and a test piece (20 mm ×) of polyether sulfone (PES) was prepared. 30 mm x 3 mm thick) were put in one by one. After allowing the screw cap heat-resistant bottle to stand at 54 ° C. for one day, the test piece was taken out and the appearance was evaluated according to the above criteria. The results are shown in Table 3.

As can be seen from Table 3, the ratio of HCFO-1233yd to the total amount of HCFO-1233yd and HFE is 25 to 75% by mass, and the total amount of HCFO-1233yd and HFE is 70% by mass or more in Examples 1 to 24. It can be seen that all of the solvent compositions have excellent solubility of oils and the influence on the resin material is reduced.

(Evaluation of oil cleaning performance)
(Examples 11 to 24, 27 to 34)
A test piece of SUS304 (25 mm x 30 mm x thickness 2 mm) was immersed in metal processing oil (Daphni Marg Plus LA-5, manufactured by Idemitsu Kosan Co., Ltd.) for 1 minute, pulled up, and then left to stand overnight as a test piece. did. Prepare HCFO-1233yd and the above HFE in the amounts shown in Table 3 so that the total amount of the solvent composition is 500 ml in a 1 L tall beaker, and prepare a test piece with an ultrasonic cleaner (manufactured by Sharp Corporation, UT-307M, super). Washing was performed at 40 ° C. for 30 seconds at a sound wave output of 200 W and a frequency of 35 kHz). Then, in Examples 11 to 24, the metalworking oil could be removed from the test piece. Moreover, the solvent composition adhering to the test piece was immediately dried. In Examples 27 to 34, metalworking oil remained on the test piece after the test.

(Flux cleaning performance evaluation)
(Examples 11 to 24, 27 to 34)
A cleaning post-flux (manufactured by Kouki Co., Ltd., JS-15CAT) is applied to a comb-shaped substrate (conductor width: 0.40 mm, conductor spacing: 0.19 mm, stacking allowance: 15.87 mm, overall substrate dimensions: 50 x 50 mm). After drying at 100 ° C. for 10 minutes, soldering was performed in a jet-type lead soldering tank at 260 ° C., and the substrate was allowed to stand overnight to prepare a soldered substrate.
The substrate obtained as described above was subjected to a cleaning test by the following method using the solvent compositions of Examples 11 to 24 and 27 to 34 shown in Table 3.

In the cleaning step, a 500 ml glass beaker containing 500 ml of the solvent composition was subjected to immersion cleaning at an output of 200 W and an ultrasonic wave having a frequency of 35 kHz at a liquid temperature of 45 ° C. for 3 minutes, and further 500 ml of the solvent composition was added. Rinsing was carried out by immersing in a 500 ml glass beaker for 3 minutes, and finally the above washing was carried out in a 2000 ml beaker equipped with a cooling coil for 3 minutes. Then, in Examples 11 to 24, the residue could be removed from the substrate. Moreover, the solvent composition adhering to the test piece was immediately dried. In Examples 27 to 34, a residual was observed on the substrate after cleaning.

(Evaluation of coating film performance of lubricant)
(Examples 1 to 12, 25, 26, 32 to 34)
Lubricating oil (Shin-Etsu Chemical Co., Ltd., Shin-Etsu Silicone KF-96-500cs and MDX4-4159) was added to the solvent compositions of Examples 1 to 12, 25, 26, 32 to 34, and the solvent composition and the silicone-based lubricant were added. It was dissolved so as to be 0.5% by mass based on the total amount of. Further, the coating film forming composition obtained above is applied to the surface of the test piece (25 mm × 30 mm × thickness 2 mm) of SUS304, and air-dried at 19 to 21 ° C. to lubricate the surface of SUS304. A coating film was formed. In all the examples in which the solvent compositions of Examples 1 to 12 were used as the coating solvent, the coating film was uniformly formed by visual evaluation. In Examples 25, 26, and 32-34, the lubricating oil did not dissolve and the test could not be performed.

Since the solvent composition of the present invention has excellent performance as a solvent, it is useful as a cleaning solvent for removing stains such as oils and dust, and a solvent for forming a coating film. In particular, it is useful for removing dirt such as dust and oil that adheres to an article whose surface is made of a resin material.
The entire contents of the specification, claims, drawings and abstract of Japanese Patent Application No. 2019-233168 filed on December 24, 2019 are cited here as disclosure of the specification of the present invention. It is something to incorporate.

Claims

It contains 1-chloro-2,3,3-trifluoro-1-propene and at least one hydrofluoroether selected from the group consisting of nonafluorobutoxymethane and nonafluorobutoxyethane.
The ratio of 1-chloro-2,3,3-trifluoro-1-propene to the total amount of 1-chloro-2,3,3-trifluoro-1-propene and the hydrofluoroether is 25 to 75% by mass. Yes,
A solvent composition characterized in that the total content of 1-chloro-2,3,3-trifluoro-1-propene and the hydrofluoroether is 70% by mass or more.
The solvent composition according to any one of claims 1, wherein the total content of the 1-chloro-2,3,3-trifluoro-1-propene and the hydrofluoroether is 90% by mass or more.
The solvent composition according to claim 1 or 2, wherein 1-chloro-2,3,3-trifluoro-1-propene comprises at least one selected from the group consisting of Z isomer and E isomer.
The solvent composition according to claim 3, wherein 1-chloro-2,3,3-trifluoro-1-propene contains 50% by mass or more of the Z isomer.
Nonaflate butoxymethane is 1-methoxy-2-trifluoromethyl-1,1,2,3,3,3-hexafluoropropane and 1-methoxy-1,1,2,2,3,3,4. Consists of at least one selected from the group consisting of 4,4-nonaflate butane,
Nonaflate butane is 1-ethoxy-2-trifluoromethyl-1,1,2,3,3,3-hexafluoropropane and 1-ethoxy-1,1,2,2,3,3,4. The solvent composition according to any one of claims 1 to 4, which comprises at least one selected from the group consisting of 4,4-nonafluorobutane.
The solvent composition according to any one of claims 1 to 5, further comprising a stabilizer that suppresses the decomposition of 1-chloro-2,3,3-trifluoro-1-propene.
The solvent composition according to claim 6, wherein the content of the stabilizer is 1 mass ppm to 5 mass% with respect to the total amount of 1-chloro-2,3,3-trifluoro-1-propene.
A cleaning agent comprising the solvent composition according to any one of claims 1 to 7.
A cleaning method characterized in that the solvent composition according to any one of claims 1 to 7 is brought into contact with an article to remove stains adhering to the surface of the article.
The cleaning method according to claim 9, wherein at least a part of the material on the surface of the article in contact with the solvent composition is a resin material.
A coating film forming composition containing a non-volatile organic compound and the solvent composition according to any one of claims 1 to 7.
A coating film-coated substrate, wherein the coating film-forming composition according to claim 11 is applied to the surface of the substrate, and then the solvent composition is evaporated to form a coating film containing the non-volatile organic compound. Production method.
The method for producing a base material with a coating film according to claim 12, wherein at least a part of the material on the surface of the base material in contact with the solvent composition is a resin material.
An aerosol composition containing a solute, a propellant, and the solvent composition according to any one of claims 1 to 7.
A heat transfer medium for a thermodynamic cycle system, which comprises the solvent composition according to any one of claims 1 to 7.