Daikin Industries, Ltd.

Daikin Kogyo Co., Ltd.

Masahiro Noguchi

Naonori Enjo

Hiroshi Kashiwagi

Satoshi Ide

Yukio Omure

Katsuki Fujiwara

Kohji Tamura

Hideki Aomi

Tatsumi Tsuchiya

Naoyoshi Hanatani

Koji Tamura

Ikuo Yamamoto

Yasufu Yamada

Yukio Ohmure

Satoshi Hishida

Yuko Harada

The present invention provides a refrigerant composition that is nonflammable, and ensures low LCCP and less burden on the environment. More specifically, the present invention relates a refrigerant composition containing difluoromethane (HFC32), pentafluoroethane (HFC125), and 2,3,3,3-tetrafluoropropene (HFO1234yf), the ratio of HFC32/HFC125/HFO1234yf being in a range surrounded by points (0/21/79 mass %), (16.6/25.3/58.1 mass %), and (0/28.4/71.6 mass %) in a ternary diagram of a refrigerant composition containing HFC32, HFC125, and HFO1234yf, and the composition essentially containing HFC32.

Refrigerant composition comprising difluoromethane (HFC32), pentafluoroethane (HFC125) and 2, 3, 3, 3-tetrafluoropropene (HFO1234yf)

Refrigerator and difluoromethane/Pentafluoroethane/1,1,1,2-tetrafluoroethane working fluid

Refrigerant

Solvent composition comprising a chloropentafluoropropane and a

The invention provides a dehydrating agent comprising at least one of fluorine-containing alcohols; a dehydrating agent comprising at least one of fluorine-containing alcohols and water; and a method of dehydrating and drying an article having a surface moistened with residual water, the method comprising immersing the article in a dehydrating agent comprising at least one of fluorine-containing alcohols or comprising at least one of fluorine-containing alcohols and water, and drying the article after the immersion.

Fluorine-containing alcohol-based dehydrating agent and method of drying

A refrigerant comprising (1) dichlorotrifluoroethane and (2) at least one compound selected from the group consisting of chlorotetrafluoroethane, pentafluoroethane, tetrafluoroethane, 1-chloro-1,1-difluoroethane, 1,1,1-trifluoroethane and 1,1-difluoroethane.

Refrigerants

The present invention provides an oil for a refrigerating machine using a hydrogen-containing halogenated hydrocarbon as a refrigerant, the oil comprising a fluorine-containing polyether having repeated units represented by the formula

Refrigerating machine composition comprising a fluorine-containing

Refrigerant compositions of 1,11-trifluoroethane

A refrigerant comprising chloro-difluoromethane and 1,1,1-trifluoroethane.

The invention provides a working fluid for Rankine cycle comprising 1,2-dichloro-1,1,2,-trifluoro-ethane; and a process for converting thermal energy into mechanical energy in the Rankine cycle in which a cycle is repeated comprising the steps of vaporizing a working fluid comprising 1,2-dichloro-1,1,2-trifluoroethane with a hot heat source, expanding the resultant vapor in an expansion device, cooling it with a cold heat source to condense and compressing it by a pump.

Working fluid for Rankine cycle

A heat pump medium comprising 2,2,3,3,3-pentafluoropropanol either alone or in admixture with water.

Heat pump

Working fluids for the Rankine cycle comprising dichlorotetrafluoroethane and a member selected from the group consisting of difluoroethane and dichlorofluoromethane.

Working fluids for Rankine cycle

Working fluids for the Rankine cycle comprising chlorodifluoromethane and one of difluoroethane and dichlorotetrafluoroethane.

Growing community of inventors

Osaka, Japan

Masahiro Noguchi