Abstract: An alkylene oxide-modified polyfunctional (meth)acrylate is provided wherein the problems according to high crystallinity or high viscosity are improved, and the photosensitivity, etc. is enhanced. The compound has a structure represented by the following formula (I), provided that in the formula (I), R represents a substituent represented by the formula (II); AO represents one member or two or more members selected from alkylene oxide units represented by —CH2CH2O—, —CH2CH(CH3)O—, —CH2CH2CH2CH2O— and —CH2CH(C2H5)O—; l indicating the average polymerization degree of the added alkylene oxide is 0<l?5; the average value of m is more than 0 and 6 or less; each of the average values of n and o is from 0 to 6, the total value of m, n and o is 6, and in the formula (II), R2 represents a hydrogen atom or a methyl group.

Abstract: A resin composition for laser processing which is able to enhance laser processability with maintaining a resist performance of a resin after ultraviolet laser processing, and which can be, for example, used as a resist in forming a circuit of a printed wiring board is provided. Disclosed is a resin composition for laser processing containing a resin and an ultraviolet absorber, wherein the resin is a thermoplastic resin having a carboxyl group and having a softening temperature of from 70 to 140° C., and a content of the ultraviolet absorber is from 1 to 30 parts by mass based on 100 parts by mass of the thermoplastic resin.

Abstract: A resin composition for laser processing which is able to enhance laser processability with maintaining a resist performance of a resin after ultraviolet laser processing, and which can be, for example, used as a resist in forming a circuit of a printed wiring board is provided. Disclosed is a resin composition for laser processing containing a resin and an ultraviolet absorber, wherein the resin is a thermoplastic resin having a carboxyl group and having a softening temperature of from 70 to 140° C., and a content of the ultraviolet absorber is from 1 to 30 parts by mass based on 100 parts by mass of the thermoplastic resin.

Abstract: An alkylene oxide-modified polyfunctional (meth)acrylate is provided wherein the problems according to high crystallinity or high viscosity are improved, and the photosensitivity, etc. is enhanced. The compound has a structure represented by the following formula (I), provided that in the formula (I), R represents a substituent represented by the formula (II); AO represents one member or two or more members selected from alkylene oxide units represented by —CH2CH2O—, —CH2CH(CH3)O—, —CH2CH2CH2CH2O— and —CH2CH(C2H5)O—; l indicating the average polymerization degree of the added alkylene oxide is 0<l?5; the average value of m is more than 0 and 6 or less; each of the average values of n and o is from 0 to 6, the total value of m, n and o is 6, and in the formula (II), R2 represents a hydrogen atom or a methyl group.

Abstract: The invention relates to a method for manufacturing an electrochemical cell comprising an anode and a cathode separated by a separator and a gel electrolyte. The method comprises the steps of assembling the electrodes and the separator, and injecting a liquid electrolyte composition between the electrodes, the liquid electrolyte composition comprising a polymer, an aprotic liquid solvent and a lithium salt, wherein the polymer in the liquid electrolyte composition has functional groups capable of polymerizing via cationic polymerization, and the cell is submitted to an electrochemical cycling comprising a charging step and a discharging step.

Abstract: The present invention provides a polymer gel electrolyte capable of inhibiting the cell expansion of a polymer secondary battery and improving the cycle characteristics and high-temperature storage characteristics of a polymer secondary battery. The present invention relates to a polymer gel electrolyte comprising an aprotic solvent; a supporting salt; a cyclic sulfonic acid ester which includes at least two sulfonyl groups; and a crosslinked polymer obtained by crosslinking a methacrylic acid ester polymer represented by general formula (1) below. In the general formula (1), n meets 1800<n<3000 and m meets 350<m<600.

Abstract: The invention relates to a method for manufacturing an electrochemical cell comprising an anode and a cathode separated by a separator and a gel electrolyte. The method comprises the steps of assembling the electrodes and the separator, and injecting a liquid electrolyte composition between the electrodes, the liquid electrolyte composition comprising a polymer, an aprotic liquid solvent and a lithium salt, wherein the polymer in the liquid electrolyte composition has functional groups capable of polymerizing via cationic polymerization, and the cell is submitted to an electrochemical cycling comprising a charging step and a discharging step.

Abstract: Provided is an ionic liquid, represented by the formula K+A?, having a very low content of impurities, especially a low content of halogen ions and/or a low content of alkali metal, wherein K+is a quaternary ammonium ion, for example an imidazolium ion. Also provided is a quaternarization process for making the ionic liquid in reacted with an acid ester such as a sulfate or phosphate.

Abstract: A lithium secondary battery having high performance even at the time of high-rate charging and discharging, high energy density, high voltage, and a nonaqueous electrolyte excellent in safety. The lithium secondary battery using an ionic liquid, comprising a positive electrode, a negative electrode, a separator provided between the positive electrode and the negative electrode, and a nonaqueous electrolyte containing a lithium salt, wherein the nonaqueous electrolyte uses an ionic liquid containing bis(fluorosulfonyl)imide anion as an anionic component, as a solvent, voltage at the time of full charging is 3.6V or higher, and average discharge voltage in a discharge rate of 1-hour rate is 2.9V or higher.

Abstract: To efficiently dry it, a nonionic alkylene oxide-type water-soluble resin is put into a container, then the container is degassed to a prescribed vacuum degree which is maintained while a dry gas having a dew point not higher than prescribed is introduced into the container at a rate not lower than prescribed. Minor volatiles are efficiently removed from the resin in an evaporation tank having a stirring blade. For protecting the dried resin from water, a dry gas is introduced into and air is purged from an empty packaging container whereafter the resin is charged into the container is sealed. By controlling solvent content and visocity of the resin and loading it into a temperature-controlled transportation container and/or unloading it out of the transportation container by the use of a pump, good subsquent processability of the resin and prevention of deterioration thereof are ensured.

Abstract: Provided is an inexpensive and high-performance photoelectric conversion device of high practicability. The device comprises a semiconductor electrode, a counter electrode and an electrolyte layer held between the two electrodes, in which the electrolyte layer contains a compound of the following general formula (1) as an oxidation-reduction pair therein: (wherein M+represents an organic or inorganic cation; A represents an aromatic, non-aromatic, heteroaromatic or hetero-non-aromatic cyclic compound).

Abstract: A precursor composition capable to form a solid-state electrolyte having good ion conductivity and high heat-resistance, by simple curing procedure, comprising; (A) a polymerizable ion pair compound represented by formula I, (B) a cross-linker having two or more unsaturated groups co-polymerizable with the polymerizable ion pair compound (A), and (C) non-polymerizable ion pair compound. Each of R1, R2, R3, R4, R5 and R6 represents hydrogen atom, alkyl or aryl group having 1-12 carbon atoms; and each of R7 and R8 represents alkyl or aryl group having 1-12 carbon atoms.

Abstract: An object of the present invention is to provide a polyether composition that can suppress reduction in a molecular weight of polyether having a low glass transition temperature and melting point. As a means of achieving this object, a polyether composition of the present invention contains polyether having a glass transition temperature of ?50° C. or lower and a melting point of 55° C. or lower and, at the same time, contains at least one kind selected from the group consisting of compounds represented by the specified three general formulas.

Abstract: An object of the present invention is to provide a manufacturing process by which a pellet-shaped nonionic alkylene oxide resin can be obtained in a manner which is excellent in stability, economical efficiency and productivity and easy, wherein the pellet-shaped nonionic alkylene oxide resin, as a high-molecular material useful in a variety of applications, has a suitable molecular weight Mw and physical properties and is also excellent in the stability of the physical properties and further is also excellent in the handling property after the manufacture. As a means of achieving this object, the process for manufacturing a pellet-shaped nonionic alkylene oxide resin, according to the present invention, comprises the steps of: obtaining a nonionic alkylene oxide resin having fluidity by volatilizing a solvent from a nonionic alkylene oxide resin solution obtained in advance by solution polymerization; and then pelletizing the nonionic alkylene oxide resin having fluidity.

Abstract: An ionic liquid with an extremely low content of an impurity such as halogen ions which can be obtained easily at a relatively reduced cost, the ionic liquid comprising a pair of a cation K+ and an anion A? represented by the general formula (1) in which the content of an alkali metal as an impurity is 5 ppm or less and the content of a halogen ion is 1 ppm or less, the cation being preferably selected from the group represented by the following general formula (2) obtained by quarternizing a tertiary amine compound or a tertiary phosphine compound by using an acid ester represented by the following general formula (3) and then conducting salt exchange: in which R1 to R4 in the formula (2) each independently represents a linear or branched alkyl group of 1 to 8 carbon atoms, X represents a hetero atom and R in the formula (3) represents a linear or branched alkyl group of 1 to 8 carbon atoms.

Abstract: A precursor composition capable to form a solid-state electrolyte having good ion conductivity and high heat-resistance, by simple curing procedure, comprising; (A) a polymerizable ion pair compound represented by formula I, (B) a cross-linker having two or more unsaturated groups co-polymerizable with the polymerizable ion pair compound (A), and (C) non-polymerizable ion pair compound. Each of R1, R2, R3, R4, R5 and R6 represents hydrogen atom, alkyl or aryl group having 1-12 carbon atoms; and each of R7 and R8 represents alkyl or aryl group having 1-12 carbon atoms. X designates either of halogen atom, AlCl4?, PF6?, BF4?, bis (oxalato) borate anion, Rf1SO3?, (NC)2N?, (Rf2Y)2N?, (Rf2Y)3C?, and (Rf2Y)2C?Q, where Rf1 designates perfluoro alkyl or aryl group having 1-8 carbon atoms; each Rf2 designates fluorine atom, perfluoro alkyl or aryl group having 1-8 carbon atoms; Y designates —SO2—or —PO—Rf2; and Q designates —H or —CO—Rf2.

Abstract: The residual amount of a solvent in a water soluble nonionic alkylene oxide resin is decreased in an apparatus including an evaporation vessel and a stirring blade which scrapes-up and coats resin solution onto the inner wall surface of the evaporation vessel. A water soluble nonionic alkylene oxide resin having a crystallization temperature of 10 to 60° C. is extruded to a predetermined thickness in a molten state, the extruded molten resin is brought into contact with a metal surface which is at the crystallization temperature (Tc) or lower, and the thereby solidified resin may be cut into pellets. The resin pellets preferably are of rectangular shape and prescribed dimensions. The resin may be pulverized in a pulverizer by shearing force between a rotary blade and a fixed blade. In the pulverizer, grains smaller than a predetermined size pass through the screen, while larger grains are again pulverized.

Abstract: To efficiently dry it, a nonionic alkylene oxide-type water-soluble resin is put into a container, then the container is degassed to a prescribed vacuum degree which is maintained while a dry gas having a dew point not higher than prescribed is introduced into the container at a rate not lower than prescribed. Minor volatiles are efficiently removed from the resin in an evaporation tank having a stirring blade. For protecting the dried resin from water, a dry gas is introduced into and air is purged from an empty packaging container whereafter the resin is charged into the container is sealed. By controlling solvent content and visocity of the resin and loading it into a temperature-controlled transportation container and/or unloading it out of the transportation container by the use of a pump, good subsquent processability of the resin and prevention of deterioration thereof are ensured.

Abstract: An object of the present invention is to provide a process which can produce, easily and with good productivity and reproducibility, an ethylene oxide copolymer provided with desired compositional ratios of monomers and a desired molecular weight and further with a desired melting point. As a means of achieving this object, a process according to the present invention for production of an ethylene oxide copolymer is a process comprising a step of polymerizing a monomer mixture including ethylene oxide as a main component, thereby producing the ethylene oxide copolymer, with the process being characterized in that the polymerization step includes at least one step each of the following steps: a step in which only the ethylene oxide is supplied to thus polymerize it; and a step in which the ethylene oxide and another monomer are supplied to thus polymerize them.

Abstract: The present invention provides a production process, in which, when an ethylene oxide copolymer is obtained, conditions for obtaining this copolymer having a desirable molecular weight with ease and good reproducibility are provided. The production process for an ethylene oxide copolymer, according to the present invention, comprises the step of carrying out polymerization of a monomer mixture under stirring in a solvent, thereby obtaining the ethylene oxide copolymer, wherein the monomer mixture includes ethylene oxide and a substituted oxirane compound of a structural formula (1) as essential raw materials; with the production process being characterized in that the stirring is carried out by a stirring power of not less than 0.6 kW/m3.