Daikin Industries, Ltd.

Michiaki Okada

Shinichi Kinoshita

Yosuke Kishikawa

Akinori Tani

Tomo Shimada

Tomohito Hamada

Akiyoshi Yamauchi

Hideo Sakata

Hiroyuki Arima

Mayuko Taeda

Makoto Matsuura

Atsushi Shirai

Shinya Takano

Mayuko Takano

Meiten Koh

Yoshito Tanaka

Daisuke Karube

Sumi Ishihara

Yoshiko Kuwajima

Akinori Yamamoto

Yuuki Suzuki

Aoi Nakazono

Michiru Kagawa

Satoshi Ohishi

Akitoshi Ogata

Tomoo Shimada

Shiomi Ashida

Manaho Tomioka

Disclosed is a method for producing an acrylic acid derivative represented by formula (1):

Production method of acrylic acid derivative

An object of the present disclosure is to provide a method for producing a fluorine-containing polymer and a composition containing the fluorine-containing polymer. The present disclosure provides a composition comprising (A) a fluorine-containing polymer comprising as a main component a structural unit containing a fluorine-containing aliphatic ring, and (B) an aprotic solvent, wherein the fluorine-containing aliphatic ring of the fluorine-containing polymer (A) contains one, two, or three etheric oxygen atoms as a ring-constituting atom; when the fluorine-containing aliphatic ring contains a plurality of etheric oxygen atoms, the etheric oxygen atoms are not adjacent to each other; and the fluorine-containing polymer (A) is present in an amount of 20 mass % or more based on the mass of the composition.

Method for producing fluorine-containing polymer and composition thereof

A method for producing an asymmetric chain carbonate by reacting an alcohol with a halocarbonate ester compound in the presence of a basic magnesium salt.

Production method of asymmetric chain carbonate

The present invention provides a method for producing a diol having a specific structure in high yields while keeping high selectivity. Provided is a method for producing a diol having a specific structure by oxidizing an olefin having a specific structure in the presence of a ruthenium compound.

Method for producing diol

An electrolyte solution containing a compound represented by the following formula (1): wherein Rf is a C1-C8 fluorinated alkyl group, and vinylene carbonate. Also disclosed is an electrochemical device including the electrolyte solution, a lithium ion secondary battery including the electrolyte solution and a module including the lithium ion secondary battery.

Fluorinated unsaturated cyclic carbonate and process for producing the same

An unsaturated cyclic carbonate containing a fluorinated alkyl group represented by the following formula: wherein Rf is a C1-C8 fluorinated alkyl group.

Fluorinated unsaturated cyclic carbonate and process for producing same

The present invention aims to provide an electrolyte solution that suppresses generation of gas. The electrolyte solution of the present invention includes a non-aqueous solvent (I) containing one or both of a fluorinated cyclic carbonate and a fluorinated acyclic carbonate; an electrolyte salt (II); and a compound (III) represented by the following formula (1): wherein Ris a C1-C20 linear or branched alkenyl or alkyl group or a C3-C20 alkyl group having a cyclic structure; m is 0 or 1; Ris a C1-C20 linear or branched alkylene group or a C3-C20 alkylene group having a cyclic structure, Rand Reach may have an oxygen atom between carbon atoms if Rand Reach have two or more carbon atoms, but the oxygen atom is not adjacent to another oxygen atom.

Electrolytic solution, electrochemical device, lithium-ion secondary cell, and module

The present invention provides an electrolytic solution capable of restraining gas generation. The present invention relates to an electrolytic solution containing a nonaqueous solvent (I), an electrolyte salt (II), and a compound (III) represented by the following formula (1): wherein Rf represents a C1-C20 linear or branched fluorinated alkyl group or a C3-C20 fluorinated alkyl group having a cyclic structure, R represents a C1-C20 linear or branched alkylene group or a C3-C20 alkylene group having a cyclic structure, hydrogen atoms in R may be partially or fully replaced by fluorine atoms, Rf and R may each contain an oxygen atom between carbon atoms when having a carbon number of 2 or more as long as oxygen atoms are not adjacent to each other.

Electrolyte solution, electrochemical device, lithium ion secondary battery, and module

The present invention provides a method for producing 1233yd that enables high conversion of the starting compound and high selectivity of 1233yd. The present invention provide a method for producing 1-chloro-2,3,3-trifluoropropene (1233yd), comprising the step of dehydrofluorinating 3-chloro-1,1,2,2-tetrafluoropropane (244ca).

Method for producing 1-chloro-2,3,3-trifluoropropene

An electrolytic solution including a nonaqueous solvent (I), an electrolyte salt (II), and 0.001 to 20% by mass of a compound represented by the formula (1) or the formula (A) as defined herein.

Growing community of inventors

Osaka, Japan

Michiaki Okada