Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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, Mn+([B(CN)4-mYm]?)n??(1) wherein Mn+ represents an organic or inorganic cation having a valency of 1 to 3; Y represents a halogen, a hydrocarbon group which has a main chain having 1 to 10 carbon atoms and which may optionally contain a halogen, —C(O)R14, —S(O)lR14, —Z(R14)2, or —XR14; R14 represents H, a halogen, or an organic substituent group which has a main chain having 1 to 10 atoms; Z represents N or P; X represents O or S; R13 represents H, or an hydrocarbon group which has a main chain having 1 to 10 atoms; l represents an integer of 1 to 2; m and n represent an integer of 1 to 3 respectively.

Abstract: 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.

Abstract: 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, Ktm+ denotes an organic cation [Ktb]m+ or an inorganic cation [Ke]m+; and m denotes an integer of 1 to 3.

Abstract: A lithium-ion capacitor includes a non-aqueous electrolyte solution that includes (A) a compound represented by the following general formula (1), (B) a cyclic carbonate ester that includes at least one carbon-carbon unsaturated bond, and (C) a carboxylic ester, the non-aqueous electrolyte solution having a ratio (MB/MC) of 0.001 to 0.5, the ratio (MB/MC) being the ratio of the content (MB) (mmol/g) of the cyclic carbonate ester (B) to the content (MC) (mmol/g) of the carboxylic ester (C). Z+.[X(CN)m(Y)n]???(1) wherein X is at least one element selected from boron, aluminum, silicon, phosphorus, and arsenic, Y is a halogen, Z is lithium or magnesium, m is an integer from 3 to 6, and n is an integer from 0 to 5, provided that m+n?3.

Abstract: The present invention provides an ionic compound containing a cyanoborate; a process for production thereof; and an electrolytic solution and a device, each utilizing the ionic compound. The electrolytic solution of the present invention comprises an ionic compound represented by general formula (1) and a solvent. Further, a production process of the present invention comprises reacting a compound represented by general formula (8) with a substitution reaction reagent to obtain a compound represented by general formula (1).

Abstract: 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, M1 and M2 are identical or different, and represent linking groups, and, when multiple M1s or multiple M2s 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 RS-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.

Abstract: 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.

Abstract: 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, Ktm+ denotes an organic cation [Ktb]m+ or an inorganic cation [Ke]m+; and m denotes an integer of 1 to 3.

Abstract: 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.

Abstract: The present invention provides an ionic compound which: can exert excellent basic performance such as excellent electrochemical stability including an excellent ionic conductivity; is excellent in pH stability; and can suitably find use in a variety of applications, and an electrolyte material, an electrolytic solution, and an electrolytic capacitor each containing the ionic compound. Anionic compound of the present invention has an anion represented by a general formula (1) and a cation represented by a general formula (2): where X represents an element selected from B, C, N, O, Al, Si, P, S, As, and Se, M1 and M2 represent linking groups, Q represents a monovalent element or organic group, a represents an integer of 1 or more, and b, c, d, and e each represent an integer of 0 or more; Rs-LH???(2) where L represents an element selected from C, Si, N, P, S, and O, R represents a monovalent element, functional group, or organic group, and s represents an integer of 2, 3, or 4.