Abstract: A polyimide precursor resin composition for forming a flexible device substrate, including a polyamic acid having a structure obtained from a tetracarboxylic acid component including at least one of 3,3?,4,4?-biphenyltetracarboxylic dianhydride and pyromellitic dianhydride, a diamine component including at least one of paraphenylene diamine and 4,4?-diaminodiphenyl ether, and a carboxylic acid monoanhydride, the polyamic acid satisfying equations (1) and (2) below: 0.97?X/Y<1.00??Equation (1) 0.5?(Z/2)/(Y?X)?1.05??Equation (2) in which X represents a number of moles of tetracarboxylic acid component, Y represents a number of moles of diamine component, and Z represents a number of moles of the carboxylic acid monoanhydride.

Abstract: A method for improving the stability of an antibody-drug conjugate in a living body, and a conjugate precursor for producing a stabilized antibody-drug conjugate. An antibody-drug conjugate precursor represented by the following general formula (I) or a salt thereof, a synthetic intermediate thereof or a salt thereof, Z-L-D??(I) where Z is a reactive group which can react with a functional group present in an antibody or a modified antibody; D is an antitumor drug residue in which one hydrogen atom or one hydroxy group is removed from any position of an antitumor drug molecule or an analog thereof or a derivative thereof; L is a linker which links Z to D; and at least any one of D and L has one or more lactonyl group(s) at any position(s) as substituent(s) or protecting group(s).

Abstract: A polyimide-based binder for power storage device having a repeated breaking energy retention ratio of 70% or more. The use of the binder enables improvement of a power storage device having a high capacity.

Abstract: A niobium-containing oxide powder represented by General Formula Ti1-x/2Nb2O7-x (where X=0 to 2), wherein at least one metal element selected from the group consisting of Mo and Ce is localized on surfaces of niobium-containing oxide particles which constitute the niobium-containing oxide powder.

Abstract: Provided is a separation and recovery method that is method of separating and recovering, from a mixture containing at least a resin layer 1 containing a hydrolyzable polymer A as a main component and a resin layer 2 containing a nonhydrolyzable polymer B as a main component, a hydrolytic component a of the hydrolyzable polymer A and the nonhydrolyzable polymer B, the method including a decomposition and separation step of subjecting the mixture to a hydrothermal reaction treatment to hydrolyze and separate the hydrolyzable polymer A, and to separate the nonhydrolyzable polymer B while a molecular weight of thereof is maintained.

Abstract: Provided is a titanium-containing oxide powder whose main component is a titanium-containing oxide represented by Li4Ti5O12 or Ti1?X/2Nb2O7?X (0?X<2), the titanium-containing oxide powder containing the titanium-containing oxide particles and a solvate ionic liquid, the solvate ionic liquid comprising a Li salt and an organic solvent.

Abstract: Provided is a negative electrode active material composition including a lithium titanate powder whose main component is Li4Ti5O12 and an inorganic solid electrolyte having conductivity for metal ions belonging to Group 1 of Periodic Table, wherein at least one metal element selected from the group consisting of Al, W, Ce, and Mo is present on the surfaces of lithium titanate particles constituting the lithium titanate powder.

Abstract: A flexible electronic device containing a polyimide film exhibiting excellent C-V characteristics. The polyimide film is a film that shows a maximum gradient of 0.005/V or more in a capacitance-voltage measurement of a laminate in which a polyimide film having a film thickness of 0.75 ?m is formed on a silicon wafer having a resistance value of 4 ?cm; the maximum gradient meaning a maximum value of an absolute value of a gradient in a normalized capacity-voltage curve during a third scan of forward direction scans; a capacity-voltage curve being measured by applying a direct current voltage is to the polyimide film with respect to the silicon wafer between a lowest voltage V1 and a highest voltage V2, and measuring capacitance while the direct current voltage is scanned in a forward direction and scanned in a negative direction; the normalized capacity-voltage curve being normalized so that the capacity at the lowest voltage V1 is 1.

Abstract: The present invention provides a lithium titanate powder for an electrode of an energy storage device, the lithium titanate powder comprising Li4Ti5O12 as a main component, having a specific surface area of 4 m2/g or more, and containing at least one localized element selected from the group consisting of boron (B), Ln (where Ln is at least one metal element selected from the group consisting of La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Hb, Er, Tm, Yb, Lu, Y, and Sc), and M1 (where M1 is at least one metal element selected from W and Mo), wherein boron (B), Ln, and M1 as the localized element are localized on or near surfaces of lithium titanate particles forming the lithium titanate powder.

Abstract: The present invention provides a compound represented by formula (I): wherein the dashed line indicates the presence or absence of a bond; R1 is carboxy or the like; L is substituted or unsubstituted non-aromatic carbocyclyldiyl or the like; R2 is substituted or unsubstituted alkyl; R3 is a hydrogen atom or the like; X is ?CRX— or ?N—; Y is ?CRY— or ?N—; U is —CRU? or —N?; V is —CRV? or —N?; W is ?CRW— or ?N—; ZA is —C? or —N—; ZB is —CR5R6— or the like; ZC is —CR7R8— or the like; RX, RY, RV and RW are each independently a hydrogen atom or the like; RU is a hydrogen atom or the like; R5 and R6 are each independently a hydrogen atom or the like; R7 and R8 are each independently a hydrogen atom or the like; R4 is substituted or unsubstituted alkyloxy or the like, or a pharmaceutically acceptable salt thereof, having an antiviral activity; and a pharmaceutical composition comprising the same.

Abstract: The present invention relates to a polyamide resin composition that is excellent in mechanical characteristics, bonding properties and calcium chloride resistance and is suitably bonded to an acid-modified polyolefin, wherein the polyamide resin composition includes 70 to 99 mass % of an aliphatic polyamide resin (A) having an amino group concentration of 46 to 110 ?mol/g, 0 to 18 mass % of an aromatic polyamide resin (B), 0.01 to 0.50 mass % of a polyalkylene glycol alkyl ether (C), 0.01 to 0.50 mass % of a polyolefin wax (D) and 0 to 22.98 mass % of a component (E) other than (A) to (D), and the total of (A) to (E) is 100 mass %, and wherein the acid-modified polyolefin having an amount of acid modification of 8 to 100 ?mol/g.

Abstract: The present invention relates to a polyamide resin composition that is excellent in mechanical characteristics, bonding properties, calcium chloride resistance and fuel resistance and is suitably bonded to an acid-modified polyolefin, wherein the polyamide resin composition includes 40 to 93 mass % of an aliphatic polyamide resin (A) having an amino group concentration of 46 to 110 ?mol/g, 2 to 10 mass % of an aromatic polyamide resin (B), 5 to 50 mass % of reinforcing fibers (C), and 0 to 53 mass % of a component (D) other than (A) to (C), and the total amount of (A) to (D) is 100 mass %, and wherein the amount of acid modification of the acid-modified polyolefin is 5 to 100 ?mol/g.

Abstract: The present invention provides a polyamide resin composition that can give a molded article having a low hydrogen gas permeability coefficient and exhibiting a favorable nominal tensile strain at break at a low temperature (?40° C.), and pertains to a polyamide resin composition including polyamide resins (A), an impact modifier (B) and an inorganic compound (C), wherein the polyamide resins (A) include an aliphatic homopolyamide resin (A-1) and an aliphatic copolyamide resin (A-2), and the content of the inorganic compound (C) with respect to 100 parts by weight of the impact modifier (B) is 1.60 to 3.00 parts by weight.

Abstract: An electrode binder resin composition containing a polyamic acid, a water-soluble polymer other than the polyamic acid, and a solvent. The use of the electrode binder resin composition improves cyclic characteristics.