Central Glass Company, Limited

Fujifilm Corporation

Fuji Photo Film Company, Limited

Mitsubishi Heavy Industries Thermal Systems, Ltd.

Satoru Okamoto

Fuyuhiko Sakyu

Yoshio Nishiguchi

Masatomi Kanai

Yasuo Hibino

Naoto Takada

Masamune Okamoto

Takamasa Kitamoto

Mikio Watanabe

Yoshihiro Ito

Setsuji Tatsumi

Satoshi Nakamura

Hideaki Imura

Akiou Kikuchi

Isamu Mori

Satoshi Yoshikawa

Tomonori Umezaki

Kohei Sumida

Yasuhiko Kachi

Kaoru Adachi

Kei Matsunaga

Toshiharu Ueno

Masahiko Tani

Takuya Tonomura

Takeshi Misawa

Kenkichi Hayashi

Naoki Kobayashi

Kenji Ueda

Izumi Miyake

Masafumi Inuiya

Osamu Saito

Koji Ueda

Noriyuki Matsukura

Ryosuke Suemitsu

Masaru Osada

Ryoichi Tamai

Norihisa Horaguchi

Tatsuya Hayasaka

Minako Oomura

A method for manufacturing 1-chloro-3,3,3-trifluoropropene (1230zd) is provided. The method includes contacting a halogenated hydrocarbon compound having a carbon number of 3 and represented by a general formula (1) with a metal catalyst in a gas phase.CFCl&#x2014;CH&#x2014;CHFCl&#x2003;&#x2003;(1) In the formula, a is an integer from 0 to 2, b is 1 or 2 when a=0, b is 0 or 1 when a=1, and b is 0 when a=2.

Method for producing 1-chloro-3,3,3-trifluoropropene

A manufacturing method of 1-chloro-3,3,3-trifluoropropene (1233zd) is provided. This manufacturing method includes a reaction in which a halogenated hydrocarbon compound having a carbon number of 3 and represented by a general formula (1) is heated:CFCl&#x2014;CH&#x2014;CHFCl&#x2003;&#x2003;(1) In the formula, a is an integer from 0 to 2, b is 1 or 2 when a=0, b is 0 or 1 when a=1, and b is 0 when a=2.

Method for producing 1,3-dichloro-3,3-difluoropropene

A method for producing 1,2-dichloro-3,3,3-trifluoropropene according to the present invention includes the step of reacting 1,1,2,3,3-pentachloropropene with a fluorinating agent where hydrogen fluoride is used as the fluorinating agent.

Method for producing 1,2-dichloro-3,3,3-Trifluoropropene

The present invention provides a method for efficiently producing 1-chloro-3,3,3-trifluoropropene from a low-reactivity intermediate product. More specifically, provided is a method for producing trans-1-chloro-3,3,3-trifluoropropene, characterized by reacting a halogenated Chydrocarbon compound represented by the following general formula (1) with hydrogen fluoride in a gas phase in the presence of a solid catalyst and chlorineCHClF&#x2003;&#x2003;(1)wherein X is 2 or 3; when X=2, Y is an integer of 1 to 4, Z is an integer of 0 to 3, and Y+Z=4; and, when X=3, Y is an integer of 1 to 5, Z is an integer of 0 to 4, and Y+Z=5; provided that the general formula (1) represents any halogenated Chydrocarbon compound other than trans-1-chloro-3,3,3-trifluoropropene.

Method for producing trans-1-chloro-3,3,3-trifluoropropene

A method for isomerizing a hydrohalofluoroolefin isomer to produce a corresponding hydrohalofluoroolefin isomer includes a step contacting a composition that contains at least a hydrohalofluoroolefin isomer and that has been adjusted to 100 ppm or lower in moisture concentration, with a catalyst in a gas phase, thereby obtaining a product. This method makes it possible to suppress the catalyst performance lowering.

Method or producing hydrohalofluoroolefins

An object of the present invention is to provide a refrigerant circulation device and method that can suppress acid generation caused by decomposition of a refrigerant containing an HFO or HCFO. The refrigerant circulation device has a compressor, a condenser, expansion valves and an evaporator connected by a main pipe to form a refrigerant circulation circuit through which a refrigerant is circulated, the refrigerant circulation circuit being filled with a refrigerant containing a hydrofluoroolefin or a hydrochlorofluoroolefin having a carbon-carbon double bond within the molecular structure, wherein the refrigerant circulation device includes a drive that drives the compressor via a speed increaser, and a drive cooling unit that cools the drive with the refrigerant condensed in the condenser, and a desiccant that can trap moisture is disposed in the evaporator or the drive cooling unit.

Refrigerant circulation device, refrigerant circulation method, refrigerant filling method, and method for operating refrigerant circulation device

A heat transmission method using a high-temperature heat pump system accommodating a heat transmission composition includes the step of evaporating the heat transmission composition, the step of compressing the heat transmission composition, the step of condensing the heat transmission composition, and the step of decreasing the pressure of the heat transmission composition at a temperature of 70&#xb0; C. or higher, which are performed sequentially. The heat transmission composition contains cis-1,3,3,3-tetrafluoropropene at a mass ratio of 95.0% by mass or more and 99.9% by mass or less, and contains trans-1,3,3,3-tetrafluoropropene or 2,3,3,3-tetrafluoropropene at a mass ratio of 0.1% by mass or more and 5.0% by mass or less; and the heat transmission composition has a condensation temperature of 70&#xb0; C. or higher.

Heat transmission method and high-temperature heat pump device

A heat transmission method using a heat pump system according to the present invention uses a heat transmission medium containing at least one compound represented by general formula (1). In the formula, Ris a CHFgroup, m is an integer of 0 or more and 3 or less, R, Rand Rare each independently a fluorine atom, a chlorine atom, a bromine atom, an iodine atom or a hydrogen atom, and at least one fluorine atom is contained in a molecule. The heat transmission method includes (A) step of gasifying the heat transmission medium; (B) step of compressing the heat transmission medium into a supercritical state; (C) step of causing heat exchange between the heat transmission medium in the supercritical state and a medium to be heated; and (D) step of decreasing the pressure of the heat transmission medium.

A method for producing 1-chloro-3,3,3-trifluoropropene efficiently from an intermediate product having a low reactivity is provided. A method for producing trans-1-chloro-3,3,3-trifluoropropene comprising reacting a halogenated hydrocarbon compound having 3 carbon atoms represented by Formula (1) shown below in a gas phase with hydrogen fluoride in the presence of chlorine is provided. CHClF(1) wherein X is 2 or 3; and when X=2, Y is an integer from 1 to 4, Z is an integer from 0 to 3, and Y+Z=4; and when X=3, Y is an integer from 1 to 5, Z is an integer from 0 to 4, and Y+Z=5; provided that Formula (1) shown above represents a halogenated hydrocarbon compound having 3 carbon atoms excluding trans-1-chloro-3,3,3-trifluoropropene.

Provided is a method for converting thermal energy into mechanical energy by use of an organic rankine cycle system that accommodates a working fluid composition. The method includes sequentially performing: evaporating the working fluid composition; expanding the working fluid composition; condensing the working fluid composition; and transferring the working fluid composition, while raising a pressure thereof, by a pump. The working fluid composition contains cis-1,3,3,3-tetrafluoropropene at a ratio higher than or equal to 92.0% by mass and lower than or equal to 99.9% by mass and trans-1,3,3,3-tetrafluoropropene or 2,3,3,3-tetrafluoropropene at a ratio higher than or equal to 0.1% by mass and lower than or equal to 8.0% by mass; and has an evaporation temperature higher than or equal to 60&#xb0; C. and lower than or equal to 150&#xb0; C.

Method for converting thermal energy into mechanical energy, organic rankine cycle device, and method for replacing working fluid

A method for producing 1234Z from 1234E while generation of 245fa as a byproduct is suppressed. The method for producing cis-1,3,3,3-tetrafluoropropene includes putting trans-1,3,3,3-tetrafluoropropene into contact with a catalyst. The trans-1,3,3,3-tetrafluoropropene is put into contact with the catalyst at a reaction temperature of higher than or equal to 200&#xb0; C. and lower than or equal to 550&#xb0; C. for a contact time of longer than or equal to 0.01 seconds and shorter than or equal to 500 seconds.

Method for producing cis-1,3,3,3-tetrafluoropropene

An azeotropic mixture-like composition containing 1,1,1,3,3,3-hexafluoroisopropylmethylether (HFE-356mmz) and hexafluoroisopropanol (HFIP) is provided. 1,1,1,3,3,3-hexafluoroisopropylmethylether may be contained at a ratio higher than or equal to 0.1% by mass and lower than or equal to 99.9% by mass.

Azeotropic mixture-like composition, heat transfer composition, cleaner, high-temperature heat pump device, and heat transfer method

A dry etching agent according to the present invention contains (A) a fluorinated propyne represented by the chemical formula: CFC&#x2261;CX where X is H, F, Cl, Br, I, CH, CFHor CFH; and either of: (B) at least one kind of gas selected from the group consisting of O, O, CO, CO, COCland COF; (C) at least one kind of gas selected from the group consisting of F, NF, Cl, Br, Iand YFn where Y is Cl, Br or I; and n is an integer of 1 to 5; and (D) at least one kind of gas selected from the group consisting of CF, CHF, CF, CFH, CFH, CF, CFH, CClFH and CF. This dry etching agent has a small environmental load and a wide process window and can be applied for high-aspect-ratio processing without special operations such as substrate excitation.

Dry etching agent and dry etching method using the same

A method for producing a desired isomer of 1-chloro-3,3,3-trifluoro-1-propene or a desired isomer of 1,3,3,3-tetrafluoropropene at a high conversion ratio with no use of a solid catalyst is provided. Since no solid catalyst is used, a desired isomer of 1-chloro-3,3,3-trifluoro-1-propene and a desired isomer of 1,3,3,3-tetrafluoropropene can be stably obtained with no undesired possibility that the solid catalyst is deteriorated due to coking or the like caused as a result of long-time use thereof.

Method for producing 1-chloro-3,3,3-trifluoro-1-propene and 1,3,3,3-tetrafluoropropene

A separation method of 1-chloro-3,3,3-tetraluofopropene and hydrogen fluoride according to the present invention includes reducing the hydrogen chloride content of a mixture containing hydrogen chloride, 1-chloro-3,3,3-tetrafluoropropene and hydrogen fluoride, thereby causing phase separation of the mixture so as to obtain an upper phase predominantly containing the hydrogen fluoride and a lower phase predominantly containing the 1-chloro-3,3,3-tetrafluoropropene. This separation method is industrially economically advantageous since the 1-chloro-3,3,3-tetraluofopropene and the hydrogen fluoride can be separated rapidly by simple operation.

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Kawagoe, Japan

Satoru Okamoto