Takasago, Japan
Takasago, Japan

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A non-aqueous electrolyte secondary battery comprising an enclosure in which plural kinds of positive electrodes having a positive electrode active material; a non-aqueous electrolyte; a negative electrode containing a titanium compound as a main component of a negative electrode active material; and a separator held between the positive electrode and the negative electrode and formed from an electrical insulating material are enclosed, which comprises a separator-holding negative electrode which is held by the separator from both sides thereof and is disposed between one of the positive electrodes and the other one of the positive electrode adjacent thereto, the separator-holding negative electrode serving as the negative electrode, and wherein the plural kinds of the positive electrodes comprises a first positive electrode containing a layered rock salt compound as the positive electrode active material, and a second positive electrode whose main component is a positive electrode active material different in kind from the layered rock salt compound. According to the battery, even when the titanium compound is used for the negative electrode, the amount of gas generated during a cycle test is remarkably decreased, and the cycle stability is excellent.


The technical problem to be solved by the present invention is to provide a method for producing oxidized glutathione, GSSG and a precursor thereof, i.e., oxidized -glutamylcysteine, by a simple process. As a means for solving the problem, the method for producing GSSG according to the present invention comprises step A of reacting L-cystine and L-glutamic acid to produce oxidized -glutamylcysteine and step B of reacting oxidized -glutamylcysteine and glycine to produce GSSG.


Patent
Kaneka Corporation | Date: 2016-12-29

An optical resin composition from which a film with improved adhesion to a polyvinyl alcohol-based film and improved flex resistance can be obtained while keeping high film transparency. The optical resin composition includes: 99 to 50% by weight of an acrylic resin having a glass transition temperature of not lower than 110 C.; and 1 to 50% by weight of a particulate (meth)acrylic multilayer structure graft copolymer containing: an innermost layer made of a polymer containing a methacrylic acid ester as a first monomer; a middle layer made of a polymer containing, as a second monomer, an acrylic acid alkyl ester having an alkyl group with 4 to 12 carbon atoms; and an outermost layer made of a polymer containing a methacrylic acid ester as a third monomer. A graft ratio of the (meth)acrylic multilayer structure graft copolymer is not less than 110%.


Patent
Kaneka Corporation | Date: 2017-05-03

Provided is an optical resin composition from which a film with improved adhesion to a polyvinyl alcohol-based film and improved flex resistance can be obtained while keeping high film transparency. The provided optical resin composition includes: 99 to 50 % by weight of an acrylic resin having a glass transition temperature of not lower than 110 C; and 1 to 50 % by weight of a particulate (meth)acrylic multilayer structure graft copolymer. The (meth)acrylic multilayer structure graft copolymer contains: an innermost layer made of a polymer containing a methacrylic acid ester as its main monomer; a middle layer made of a polymer containing, as its main monomer, an acrylic acid alkyl ester having an alkyl group with 4 to 12 carbon atoms; and an outermost layer made of a polymer containing a methacrylic acid ester as its main monomer. A graft ratio of the (meth)acrylic multilayer structure graft copolymer is not less than 40 %.


Patent
Kaneka Corporation | Date: 2017-05-10

Provided is a curable composition improved in elongation and strength after curing and a cured product obtained by curing the curable composition. A curable composition containing reactive silicon group-containing polyoxyalkylene-based polymer (A) having more than 1.0 reactive silicon group on average at one terminal portion, and reactive silicon group-containing (meth)acrylate-based polymer (B) having not less than 1.0 reactive silicon group on average per one molecule, which is represented by the formula (1):-SiRX_(2)(1)wherein R is a hydrocarbon group having 1 - 20 carbon atoms and optionally having substituent(s) which is/are a hetero atom-containing group or a halogen atom, and X is a hydroxyl group or a hydrolyzable group.


Patent
Tokyo University of Science and Kaneka Corporation | Date: 2017-05-10

It is an object of the present invention to provide a method for easily producing an antigen-specific B cell population comprising IgG-positive B cells specific to a specific antigen. The present invention provides a method for producing a B cell population, comprising culturing B cells, in which the expression of a Bach2 gene has been increased, in the presence of a means for acting on CD40 and/or a BAFF receptor.


A mold for in-mold foam-molding of a polyolefin-based resin for producing a molded article includes a first mold part, a second mold part, and a divided mold that holds an insert material, wherein the insert material has a protrusion part, the divided mold is formed on the first and the second mold parts in correspondence with the protrusion part of the insert material, the first mold part has a first holding surface, the second mold part has a divided mold member having a second holding surface and a biasing part that guides the divided mold member movably in the mold opening/closing direction and constantly biases the divided mold member toward the first holding surface, and the base portion of the protrusion part of the insert material is configured for being held between the first and second holding surfaces by the divided mold.


Patent
Kaneka Corporation | Date: 2017-05-24

A battery pack containing a plurality of plate-shaped laminate batteries arranged in a direction vertical to a plate-shaped surface of one of the laminate batteries. The laminate battery contains: a layered body which includes a negative electrode, a separator, and a positive electrode, and is disposed parallel to the plate-shaped surface of the laminate battery; an outer packaging including a laminate film enclosing the layered body; and an electrode terminal which is electrically connected to the layered body and extends from a one side part of the outer packaging. The outer packaging has, in an inside thereof, a battery part having a space in which the layered body exists and a bag part which has a space a volume of which is changeable, communicates to the battery part through a communication part, and is disposed on an other side part opposite to the one side part. The battery pack includes: the laminate batteries arranged in a manner to have the other side part on an upper side of the battery pack in the vertical direction, and to have the one side part on a lower side of the battery pack in the vertical direction; and a power cable for charging and discharging on the battery pack is disposed in the lower side of the battery pack in the vertical direction. The battery pack is a highly reliable battery pack which exhibits the excellent operational stability, i.e., can maintain the high efficiency.


As a divided mold also serving as holding means 40A for both mold parts 11 and 21 in correspondence with a protrusion part of a molded article fastening member 4, a concave mold part 11 has a first holding surface 43 opposed to a base portion of the protrusion part, and a convex mold part 21 has a divided mold also serving as holding member 46 having a second holding surface 45 opposed to the first holding surface 43 and a divided mold biasing means 47 that guides the divided mold also serving as holding member 46 movably in a mold opening/closing direction and constantly biases the divided mold also serving as holding member 46 toward the first holding surface 43, and the base portion of the protrusion part of the molded article fastening member 4 can be held between the both holding surfaces 43 and 43 by the divided mold also serving as holding means 40A in the state in which the both mold parts 11 and 21 are completely closed and the state in which a cracking clearance CL is left between the both mold parts 11 and 21. This makes it possible to prevent the occurrence of burrs in the base portion of the protrusion part protruding laterally from the foam-molded body.


Patent
Kaneka Corporation and Texas A&M University | Date: 2017-02-01

A coating composition and coating products made therefrom, containing modified inorganic nanoplatelets that form mesomorphic structure in a resin phase. The coating products exhibit low permeation/penetration properties, and can be used as anti-corrosion or barrier coatings.

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