Agc Inc.

Mari Ichinokawa

Hidekazu Okamoto

Hiroaki Mitsuoka

Atsushi Fujimori

Masahiko Nakamura

Toshio Miki

Ryuji Seki

Tsuyoshi Hanada

The present invention is a solvent composition including: a solvent including 1-chloro-2,3,3-trifluoro-1-propene; and at least one type of stabilizer selected from a group consisting of phenols, ethers, epoxides, amines, alcohols, and hydrocarbons, and is a solvent composition which is excellent in solubility of various organic substances and has no adverse effect on a global environment, and is excellent in stability, and this solvent composition can be used for a wide range of industrial uses such as cleaning, coating uses, and a heat transfer fluid.

Solvent composition, cleaning method, method of forming a coating film, heat transfer fluid, and heat cycle system

There are provided a solvent composition which is excellent in solubility of various organic substances and excellent in detergency and a drying property, and has no adverse effect on a global environment and is excellent in stability; a cleaning method using the solvent composition; a method of forming a coating film; a heat transfer fluid including the solvent composition; and a heat cycle system using the heat transfer fluid. A solvent composition including 1-chloro-2,3,3-trifluoro-1-propene and 1-chloro-3,3-difluoro-1-propyne, a cleaning method of bringing the solvent composition and an article into contact with each other, a method of dissolving a nonvolatile organic compound in the solvent composition to produce a coating film-forming composition and evaporating the solvent composition after applying the coating film-forming composition on an article to be coated, to form a coating film, a heat transfer fluid including the solvent composition, and a heat cycle system using the heat transfer fluid.

A cleaning method may include: bringing an article to be cleaned into contact with a liquid-phase solvent composition including 1-chloro-2,3,3-trifluoro-1-propene and 1-chloro-2,2,3,3-tetrafluoropropane; and exposing the article to be cleaned to steam generated by evaporating the liquid-phase solvent composition. In the liquid-phase composition, a proportion of a content of 1-chloro-2,2,3,3-tetrafluoropropane to a total of a content of 1-chloro-2,3,3-trifluoro-1-propene and a content of 1-chloro-2,2,3,3-tetrafluoropropane may be 0.0001 to 1 mass %.

To provide a solvent composition in which various organic substances are soluble, and which has no adverse effect on global environment. A solvent composition comprising 1-chloro-2,3,3,4,4,5,5-heptafluoro-1-pentene, a cleaning method using the solvent composition, a method for producing a substrate with a coating film, and a heat transfer fluid.

Solvent composition, cleaning method, method for producing substrate with coating film, and heat transfer fluid

There are provided: a solvent composition which is excellent in solubility of various organic substances and excellent in detergency, and has no adverse effect on a global environment, is excellent in stability, and is capable of suppressing corrosion of metal; a cleaning method using the solvent composition; a method of forming a coating film; a heat transfer fluid including the solvent composition; and a heat cycle system using the heat transfer fluid. A solvent composition including HCFO-1233yd and HCFC-244ca, in which a content of HCFC-244ca to a total of HCFO-1233yd and HCFC-244ca is 0.0001 to 1 mass %, a cleaning method of contacting the solvent composition with an article, a method of forming a coating film consisting of the nonvolatile organic compound using the solvent composition and a nonvolatile organic compound, a heat transfer fluid including the solvent composition, and a heat cycle system using the heat transfer fluid.

Provided is a method for producing (Z)-1-chloro-2,3,3-trifluoro-1-propene where (E)-1-chloro-2,3,3-trifluoro-1-propene and water can be efficiently removed and (Z)-1-chloro-2,3,3-trifluoro-1-propene with higher purity can be obtained at a higher recovery ratio. The method for producing (Z)-1-chloro-2,3,3-trifluoro-1-propene includes: distilling a distillation composition which contains (Z)-1-chloro-2,3,3-trifluoro-1-propene, (E)-1-chloro-2,3,3-trifluoro-1-propene and water to remove (E)-1-chloro-2,3,3-trifluoro-1-propene and water as an azeotropic composition or an azeotropic-like composition.

Method for producing (Z)-1-chloro-2,3,3-trifluoro-1-propene

There is provided a method of efficiently manufacturing 1-chloro-2,3,3-trifluoropropene by an industrially feasible method by using a raw material which is easy to obtain. A method of manufacturing 1-chloro-2,3,3-trifluoropropene, including subjecting 3-chloro-1,1,2,2-tetrafluoropropane to a dehydrofluorination reaction in the presence of a base.

Method of manufacturing 1-chloro-2,3,3-trifluoropropene

To provide a method for producing 1-chloro-2,3,3-trifluoropropene, whereby it is possible to efficiently remove 1-chloro-3,3-difluoro-1-propyne and/or an oxide from a composition comprising 1-chloro-2,3,3-trifluoropropene. A method for producing 1-chloro-2,3,3-trifluoropropene, in which a composition comprising 1-chloro-2,3,3-trifluoropropene and at least one member selected from 1-chloro-3,3-difluoro-1-propyne and an oxide, is brought into contact with a basic aqueous solution to remove said at least one member selected from 1-chloro-3,3-difluoro-1-propyne and an oxide, from the composition.

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Chiyoda-ku, Japan

Mari Ichinokawa