Abstract: The present invention relates to a method of using cells to produce a substance, and involves applying the cells to a polyimide porous film, culturing the cells and producing the substance by means of the cells.
Abstract: Disclosed is a method for manufacturing an electrode by forming an electrode mixture layer on a surface of a current collector using an electrode mixture composition containing an aqueous polyimide precursor solution composition and a specific crosslinking agent, the aqueous polyimide precursor solution composition being obtained by dissolving a specific polyamide acid in an aqueous solvent together with a specific imidazole, and subsequently performing heat treatment to remove the solvent and perform an imidization reaction of the polyamide acid. It is preferable that the imidazole is an imidazole selected from the group consisting of 1,2-dimethylimidazole, 2-ethyl-4-methylimidazole, 4-ethyl-2-methylimidazole, and 1-methyl-4-ethylimidazole.
Abstract: A conjugated diene polymer having a high content of cis-1,4-structures with a high activity, a conjugated diene polymer and a modified conjugated diene polymer using the same, a rubber composition for a tire, and a rubber composition for a rubber belt. Described are a catalyst for a conjugated diene polymerization including: a non-metallocene type gadolinium compound (A) represented by the general formula (1); an ionic compound (B) formed of a non-coordinating anion and a cation; and an organic metal compound (C) of an element selected from the group consisting of a group 2, a group 12, and a group 13 of the periodic table, a conjugated diene polymer and a modified conjugated diene polymer obtained using the same, a rubber composition for a tire, and a rubber composition for a rubber belt.
Abstract: The present invention relates to a method for culturing bone marrow cells, in which bone marrow cells are applied to a porous polyimide film and cultured. Moreover, the present invention relates to a porous polyimide film for healing a bone injury site.
April 20, 2018
Date of Patent:
December 17, 2019
UBE INDUSTRIES, LTD., KURUME UNIVERSITY
Abstract: The present invention pertains to a method for the mass cultivation of cells, and a cell cultivation device and kit. The present invention further pertains to a continuous cell cultivation method and a continuous cell cultivation device in which a carrier is used.
Abstract: The present invention provides a compound of general formula (I) (wherein X is as described in the present description and claims), or a pharmacologically acceptable salt thereof, and a pharmaceutical composition containing that compound.
Abstract: Provided is a polyamide resin composition comprising a polyamide resin, a PAN carbon fiber, carbon black, and a black dye, wherein the polyamide resin composition contains the PAN carbon fiber in an amount of 7.5 to 25% by weight, based on the weight of the composition, contains the carbon black in an amount of 0.01 to 0.55% by weight, based on the weight of the composition, and contains the black dye in an amount of 0.01 to 1.0% by weight, based on the weight of the composition.
Abstract: The present invention is concerned with (1) a lithium salt compound including a lithium cation including, as a ligand, at least one ether compound selected from 2,5,8,11-tetraoxadodecane and 2,5,8,11,14-pentaoxapentadecane and a difluorophosphate anion; (2) a nonaqueous electrolytic solution having an electrolyte salt dissolved in a nonaqueous solvent, the nonaqueous electrolytic solution containing the aforementioned lithium salt compound; (3) a lithium ion secondary battery including a positive electrode, a negative electrode, and the aforementioned nonaqueous electrolytic solution; (4) a lithium ion capacitor using the aforementioned nonaqueous electrolytic solution; and (5) a production method of the aforementioned lithium salt compound, including bringing the aforementioned ether compound and lithium difluorophosphate into contact with each other.
Abstract: The invention relates to a long term cell culturing method and a cell culturing apparatus and kit that employ a porous polyimide film. The invention further relates to a cell cryopreservation method and kit employing the porous polyimide film.
Abstract: The present invention relates to a nonaqueous electrolytic solution having an electrolyte salt dissolved in a nonaqueous solvent, the nonaqueous electrolytic solution containing 0.1 to 5% by mass of a compound represented by the following general formula (I) and an energy storage device including the foregoing nonaqueous electrolytic solution. This nonaqueous electrolytic solution is able to improve charging storage properties and discharging storage properties of an energy storage device when used in the high-temperature and high-voltage environment. In the formula, R1 and R2 each independently represent an alkyl group having 1 to 4 carbon atoms.
Abstract: The present invention relates to a method for producing N-substituted sulfonamide compounds including a step of reacting a sulfonamide compound of general formula (1) with a halogenated organic compound of general formula (2) in the presence of cesium carbonate or potassium carbonate in an organic solvent to produce an N-substituted sulfonamide compound of general formula (3).
Abstract: The present invention relates to a polyamide resin comprising a unit derived from ?-caprolactam and/or ?-aminocaproic acid (to also be referred to as “Unit 1”), a unit derived from adipic acid (to also be referred to as “Unit 2”) and a unit derived from hexamethylenediamine (to also be referred to as “Unit 3”), wherein the concentration of terminal amino groups in the polyamide resin is greater than the concentration of terminal carboxyl groups in the polyamide resin, and the amount of Unit 1 is greater than 60% by weight to less than 80% by weight of the total amount of Unit 1, Unit 2 and Unit 3.
Abstract: A silicon nitride powder having a specific surface area of 4.0 to 9.0 m2/g, a ? phase proportion of less than 40 mass %, and an oxygen content of 0.20 to 0.95 mass %, wherein a frequency distribution curve obtained by measuring a volume-based particle size distribution by a laser diffraction scattering method has two peaks, peak tops of the peaks are present respectively at 0.4 to 0.7 ?m and 1.5 to 3.0 ?m, a ratio of frequencies of the peak tops ((frequency of the peak top in a particle diameter range of 0.4 to 0.7 ?m)/(frequency of the peak top in a particle diameter range of 1.5 to 3.0 ?m)) is 0.5 to 1.5, and a ratio D50/DBET (?m/?m) of a median diameter D50 (?m) determined by the measurement of particle size distribution to a specific surface area-equivalent diameter DBET (?m) calculated from the specific surface area is 3.5 or more.
Abstract: The present invention pertains to a porous polyimide film production method and a porous polyimide film produced using said method, said method including: a step (1) in which a poly(amic acid) solution comprising 40%-97% by mass organic polar solvent and 3%-60% by mass poly(amic acid) having an intrinsic viscosity, comprising tetracarboxylic acid units and diamine units, of 1.0-3.0 is cast in film form and immersed in or caused to come in contact with a coagulating solvent having water as an essential component thereof, and a porous film of poly(amic acid) is produced; and a step (2) in which the porous film of poly(amic acid) obtained in said step is heat treated and imidized. Shrinkage in the film longitudinal direction and transverse direction after heat treatment is suppressed to no more than 8% for each direction and the speed of temperature increase in a temperature range of at least 200° C. during the heat treatment is at least 25° C./min.
Abstract: Disclosed herein are a crystal comprising a compound, which has ?-opioid receptor antagonistic action, few side effects, and high safety, and having high purity and excellent physical properties (stability, solubility, etc.), and a method for producing the crystal. The crystal is a crystal of a salt comprising: a compound represented by a formula (I) [wherein R2 is a hydrogen atom or a halogen atom, and R1 is a group selected from the group consisting of and an acid selected from the group consisting of hydrochloric acid, hydrobromic acid, and oxalic acid, or a hydrate thereof.
Abstract: A method and a system for inexpensively producing a corresponding target ketone and/or alcohol by decomposing hydroperoxide rapidly and with high selectivity using an aqueous alkaline solution and by recovering and recycling alkali. The method includes neutralizing at least a part of a carboxylic acid in the oxidation reaction solution by contacting the oxidation reaction solution with a first alkaline solution including a carbonate of an alkali metal, and separating the reaction mixture into a first oil phase and a first water phase; decomposing the hydroperoxide and the ester compound in the first oil phase by contacting the first oil phase with a second alkaline solution having a higher pH value than the first alkaline solution, and separating the reaction mixture into a second oil phase and a second water phase; and recovering the carbonate of an alkali metal from the first water phase and recycling the carbonate of an alkali metal to the first alkaline solution.
Abstract: The present invention provides a compound represented by the general formula (Ia) or a pharmacologically acceptable salt thereof. In the general formula (Ia), two R moieties each independently represent a C1-3 alkyl group or the like; and R1, R2 and R3 each independently represent an optionally substituted linear or branched C1-4 alkyl group.
Abstract: The present invention provides a rubber composition for a tire having improved workability and abrasion resistance. A rubber composition for a tire according to the present invention comprises: a polybutadiene which has: (A) a Mooney viscosity (ML1+4,100° C.) being 43 or more; (B) a ratio (Tcp/ML1+4,100° C.) of 5 wt % toluene solution viscosity (Tcp) to Mooney viscosity (ML1+4,100° C.) being 0.9 to 2.3; (C) a stress relaxation time (T80) being 10.0 to 40.0 seconds, which is a time until a torque is attenuated by 80% when the torque at the end of ML1+4,100° C. measurement is 100%; and (D) a molecular weight distribution (Mw/Mn) being 2.50 to 4.00; another rubber (ii); and a rubber reinforcing material (iii).
Abstract: A copper-clad laminate is prepared by laminating a copper foil on one side or both sides of a polyimide film by thermocompression bonding. The flexibility of the copper-clad laminate is remarkably improved by employing a polyimide film having a thickness of 5 to 20 ?m and a copper foil having a thickness of 1 to 18 ?m.
Abstract: Provided is a composite member that has a member containing a fluorine-containing resin and a member containing a thermoplastic resin and demonstrates superior adhesiveness. The composite member is obtained by directly contacting a first member containing a thermoplastic polyurethane and a polyamide elastomer and a second member containing a fluorine-containing resin.