Nippon Shokubai Co., Ltd.

Morita Chemical Industries Co., Ltd.

Naohiko Itayama

Yasunori Okumura

Hiromoto Katsuyama

Izuho Okada

Hiroyuki Mizuno

Yukihiro Fukata

Yuichi Sato

Tsutomu Yuasa

Hirokatsu Kawakami

Hideaki Nagano

Takayuki Kobatake

Kazuo Takei

Taisuke Kasahara

Masayuki Okajima

Yuko Matsuda

Yasuyuki Miyoshi

Masashi Hashimoto

Kenji Yamada

Akane Oguro

Takahiro Yamauchi

Yasuhiro Higuchi

Hirotsugu Shimizu

In the present invention, a bis (fluorosulfonyl) imide metal salt is an alkali metal salt of bis (fluorosulfonyl) imide or an alkaline earth metal salt of bis (fluorosulfonyl) imide. The bis (fluorosulfonyl) imide metal salt has an average particle diameter of not less than 0.1 mm, or has an average moisture absorption rate of not more than 2.5 mass ppm/cm&#xb7;min when sealed in a PE bag having a thickness of 80 &#x3bc;m and left for 30 minutes at 23&#xb0; C. and 65% humidity.

Bis(fluorosulfonyl) imide metal salt and method for preparing same

Provided is a method the enables easy production of bis(fluorosulfonyl)imide suitable for a non-aqueous electrolytic solution for a lithium ion secondary battery, etc. The method for producing a bis(fluorosulfonyl)imide alkali metal salt according to the present invention comprises reacting bis(fluorosulfonyl)imide with an alkali metal compound in a reaction solution containing an organic solvent, wherein the organic solvent includes at least one organic solvent (A) selected from the group consisting of carbonate solvents, cyclic ether solvents, linear ether solvents having two or more oxygen atoms in the molecule, cyclic ester solvents, sulfolane solvents, N,N-dimethyl formamide, dimethyl sulfoxide, and N-methyl oxazolidinone.

Method for producing bis(fluorosulfonyl)imide alkali metal salt and method for producing non aqueous electrolytic solution

The present invention provides an ionic compound containing a cyanoborate; a process for production thereof; and an electrolytic solution and a device. The electrolytic solution comprises an ionic compound represented by general formula (1) and a solvent,M([B(CN)Y])&#x2003;&#x2003;(1)

Ionic compound and process for production thereof, and electrolytic solution and electrical storage device each utilizing the ionic compound

The present invention provides a stable electrolyte material that provides high safety, exhibits favorable ionic conductivity not only at room temperature but also in the low temperature range at or below room temperature, has excellent reduction resistance, and can be suitably used as a material of a lithium ion cell. The electrolyte material includes, as essential components, a specific polymer having an ether bond in a side chain thereof, and a specific electrolyte salt.

Electrolyte material, and battery material and secondary battery using said electrolyte material

The present invention has an object to provide a polymer-containing composition for dispersants for cement which exhibits higher cement dispersibility even when used in a small amount, and can provide high flowability to a cement composition such as mortar and concrete and stably maintain this high flowability for a certain period, and to provide a production method thereof. The polymer-containing composition for dispersants for cement includes a polymer including a repeating unit derived from an unsaturated polyalkylene glycol ether monomer (I) having a specific structure and a repeating unit derived from an unsaturated carboxylic acid monomer (II) having a specific structure, and is prepared by polymerizing an unsaturated polyalkylene glycol ether monomer (I)-containing composition that includes specific amounts of specific components.

Polymer composition for cement dispersant and method for producing same

To provide a production method of a (poly)alkylene glycol chain-containing polymer which can be preferably used in various applications such as an admixture for cement and which can exhibit extremely high dispersibility to a cement composition. The unsaturated (poly)alkylene glycol ether monomer of the present invention is an unsaturated (poly)alkylene glycol ether monomer production method for producing an unsaturated (poly)alkylene glycol ether monomer by addition reaction of an alkylene oxide on an unsaturated alcohol, wherein the production method includes a step of carrying out addition reaction under condition of existence of 0.01 to 25 parts by mass of an unsaturated (poly)alkylene glycol diether monomer to 100 parts by mass of the unsaturated alcohol, and a (poly)alkylene glycol chain-containing polymer production method, wherein a monomer component including an unsaturated (poly)alkylene glycol ether monomer produced by the production method.

Production method of unsaturated (poly)alkylene glycol ether monomer and production method of (poly)alkylene glycol chain-containing polymer

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Suita, Japan

Naohiko Itayama