Nippon Shokubai Co., Ltd.

Nichicon Corporation

Taisuke Kasahara

Keiichiro Mizuta

Seiichi Suzuki

Hironobu Hashimoto

Takayuki Ueda

Hideyuki Tahara

Hiromoto Katsuyama

Izuho Okada

Taketo Toba

Takayuki Kobatake

Naohiko Itayama

Satoshi Ishida

Toshifumi Nishida

Yuji Hagiwara

Masayuki Okajima

Yasuyuki Miyoshi

Daisuke Kubo

Takanori Ochi

Satoshi Tani

Kazunobu Ohata

Seitaro Onoue

Provided is an ethyleneimine polymer which exhibits excellent close adhesion properties and adhesive properties and is unlikely to form a gel-like film, and a method for producing the same. An ethyleneimine polymer, wherein a number average molecular weight (Mn) of the ethyleneimine polymer measured by gel permeation chromatography in terms of pullulan is 13,000 or more, a degree of dispersion of the ethyleneimine polymer is greater than 3.0 and 5.0 or less, and a water content in the ethyleneimine polymer is from 3 to 35% by weight.

Ethleneimine polymer and method for producing same

Provided is an ethyleneimine polymer which exhibits excellent close adhesion properties and adhesive properties and has a low water content, and a method for producing the same. An ethyleneimine polymer, in which the number average molecular weight (Mn) of the ethyleneimine polymer measured by gel permeation chromatography in terms of pullulan is 13,000 or more and the value obtained by dividing the weight average molecular weight by the number average molecular weight (weight average molecular weight: Mw/number average molecular weight: Mn=degree of dispersion) of the ethyleneimine polymer is from 1.4 to 3.0.

Ethyleneimine polymer and method for producing the same

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 method of producing a tetracyanoborate-containing ionic compound in a milder condition more efficiently and less expensively than conventional methods, and a tetracyanoborate-containing ionic compound having a reduced content of impure components. An ionic compound of the present invention is represented by the following general formula (I), has a content of fluorine atom-containing impurities of 3 mol % or less per 100 mol % of the ionic compound, and a method for producing an ionic compound represented by the general formula (I) of the present invention comprises a step of reacting starting materials containing a cyanide and a boron compound. (In the formula, Ktdenotes an organic cation [Kt]or an inorganic cation [Ke]; and m denotes an integer of 1 to 3.)

Ionic compound, method for producing the same, and ion-conductive material comprising the same

An ionic compound is provided that has an anion represented by a: formula (1) and a cation represented by a formula (2): where X is an element selected from the group consisting of B, C, N, O, Al, Si, P, S, As, and Se, Mand Mare identical or different, and represent linking groups, and, when multiple Ms or multiple Ms are present, they may be identical or different, Q represents a monovalent element or organic group, a represents an integer of 1 or more, and b, c, d, and a each represent an integer of 0 or more; and R-LH(2) where L is an element selected from the group consisting of C, Si, N, P, S, and 0, R represents a monovalent element, functional group, or organic group, and s represents an integer of 2 to 4.

Ionic compound

Provide is an aluminum electrolytic capacitor exhibiting low specific resistance and low impedance property and realizing high reliability. An electrolytic capacitor has a structure in which: a capacitor element which is formed by rolling an anode foil and a cathode foil each connected with an electrode extraction lead through a separator and which is impregnated with a drive electrolytic solution is included in a cylindrical outer case having a closed-end; and an open end of the outer case is sealed with an elastic sealing body, in which: the drive electrolytic solution contains a tricyanomethide salt represented by the below-indicated chemical formula (1); and the drive electrolytic solution has a water content of 3.0 wt % or less: where, R represents a cation pairing with a tricyanomethide ion in formation of a tricyanomethide salt.

Electrolytic capacitor

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Suita, Japan

Taisuke Kasahara