Abstract: A polymer that contains, in a molecular chain constituting a main chain, a skeleton derived from a dehydroabietic acid compound, an adsorbent that contains the polymer, and an adsorption apparatus that has the adsorbent.

Abstract: Provided are a resin composition for a coating film, containing a polymer which has at least one of a structural unit represented by Formula (I-A) or a structural unit represented by Formula (I-B), and a structural unit represented by Formula (II), in which, in the polymer, a total of respective contents of the structural unit represented by Formula (I-A) and the structural unit represented by Formula (I-B) is 10% by mass or more, and a content of the structural unit represented by Formula (II) is 10% by mass or more; the polymer; a method for producing a polymer, in which a total of respective contents of the structural unit represented by Formula (I-A) and the structural unit represented by Formula (I-B) is 10% by mass or more, and a content of a structural unit represented by Formula (II-2) is 10% by mass or more; a coating film containing the polymer; and a method for forming a coating film.

Abstract: Provided are a resin composition for coating, containing a polymer having a structural unit represented by Formula (I), a structural unit represented by Formula (II), and a terminal structure represented by Formula (III-A) or (III-B), in which, in the polymer, the structural unit represented by Formula (I) is 10% by mass or more, and a content of the structural unit represented by Formula (II) is 10% by mass or more; the polymer; a method for producing a polymer having a structural unit represented by Formula (II); a coating film containing the polymer; and a method for forming a coating film.

Abstract: Provided are a polymer having a constituent component represented by formula (I) below, a method for producing the polymer, a diamine compound suitable as a raw material for the polymer, a gas separation membrane haying a gas separation layer including the polymer, and a gas separation module and a gas separation apparatus that have the gas separation membrane. In the formula (I), RA, RB, and RC represent a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, or a halogen atom. Herein, at least one of RA, RB, or RC represents an alkyl group having 1 to 4 carbon atoms or a halogen atom. The alkyl group having 1 to 4 carbon atoms is not trifluoromethyl and ** represents linking sites.

Abstract: Provided are a polyimide compound including a repeating unit having an aromatic diamine component having a specific structure in which a side-chain benzylic position is regioselectively brominated, a gas separation membrane having a gas separation layer containing the polyimide compound, and a gas separation module and a gas separation apparatus each having the gas separation membrane.

Abstract: An object of the present invention is to provide a resonant sensor having excellent sensitivity and selectivity with respect to a component to be detected that is contained at a low concentration in the system. A resonant sensor of the present invention has a receiving layer that contains a polymer having a repeating unit represented by Formula (1). In Formula, R1 represents an alkyl group. A plurality of R1's may be the same as or different from each other. R2 represents a hydrogen atom, an alkyl group, or an aryl group.

Abstract: An object of the present invention is to provide a metal-organic framework manufacturing method of manufacturing a metal-organic framework having excellent gas adsorbability and durability. A metal-organic framework manufacturing method according to an embodiment of the present invention includes: a step of mixing a metal salt containing a metal atom and a polydentate ligand in the presence of a solvent to manufacture a metal-organic framework, the polydentate ligand contains a compound represented by Formula (1), a content of the compound represented by Formula (1) in the polydentate ligand is 50 mol % or greater with respect to a total molar amount of the polydentate ligand, the solvent contains an organic solvent having a boiling point of 100° C. or higher, and a water content in the solvent is 0 to 90 mass % with respect to a total mass of the solvent.

Abstract: Provided are a compound represented by formula (Ia) below, a polymer obtained by using the compound as a synthesis raw material, a gas separation membrane having a gas separation layer including the polymer, and a gas separation module and a gas separation apparatus that have the gas separation membrane. RA and RB represent a hydrogen atom, an alkyl group, or a halogen atom. LA represents —CF2—, —CF(CF3)—, —C(?O)—, —CH2—, —CH(CH3)—, or —CH(CF3)— or a group obtained by combining the foregoing groups. LA has 4 or less carbon atoms.

Abstract: Provided are a polymer having a constituent component represented by formula (I) below, a method for producing the polymer, a diamine compound suitable as a raw material for the polymer, a gas separation membrane haying a gas separation layer including the polymer, and a gas separation module and a gas separation apparatus that have the gas separation membrane. In the formula (I), RA, RB, and RC represent a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, or a halogen atom. Herein, at least one of RA, RB, or RC represents an alkyl group having 1 to 4 carbon atoms or a halogen atom. The alkyl group having 1 to 4 carbon atoms is not trifluoromethyl and ** represents linking sites.

Abstract: An object of the present invention is to provide a metal-organic framework manufacturing method of manufacturing a metal-organic framework having excellent gas adsorbability and durability. A metal-organic framework manufacturing method according to an embodiment of the present invention includes: a step of mixing a metal salt containing a metal atom and a polydentate ligand in the presence of a solvent to manufacture a metal-organic framework, the polydentate ligand contains a compound represented by Formula (1), a content of the compound represented by Formula (1) in the polydentate ligand is 50 mol % or greater with respect to a total molar amount of the polydentate ligand, the solvent contains an organic solvent having a boiling point of 100° C. or higher, and a water content in the solvent is 0 to 90 mass % with respect to a total mass of the solvent.

Abstract: An m-phenylenediamine compound is represented by the following General Formula (I), (II), or (III). R1 represents a hydrogen atom, an alkyl group, a cycloalkyl group, or an aryl group. R2, R3, and R4 each represent an alkyl group. R5 and R6 each represent an alkyl group. X represents a chlorine atom or a bromine atom. A method for producing a polymer compound includes obtaining a polymer compound by using the m-phenylenediamine compound represented by General Formula (I) as a raw material.

Abstract: The present invention provides a sensor having excellent sensitivity and selectivity with respect to a ketone-based compound. This sensor according to the present invention has a receiving layer including a polymer having a repeating unit represented by Formula (1), and detects a ketone-based compound.

Abstract: An object of the present invention is to provide a resonant sensor having excellent sensitivity and selectivity with respect to a component to be detected that is contained at a low concentration in the system. A resonant sensor of the present invention has a receiving layer that contains a polymer having a repeating unit represented by Formula (1). In Formula, R1 represents an alkyl group. A plurality of R1's may be the same as or different from each other. R2 represents a hydrogen atom, an alkyl group, or an aryl group.

Abstract: A gas separation membrane has a gas separation layer containing a crosslinked cellulose resin. The crosslinked cellulose resin has a particular linking structure in a crosslinked structure. The gas separation layer contains an organic solvent in a particular amount.

Abstract: A gas separation asymmetric membrane includes a porous layer having gas permeability; and a compact layer having gas separation capability which is formed on the porous layer in which the gas separation asymmetric membrane is formed using a polyimide compound which has a structural unit represented by Formula (I) and at least one structural unit selected from a structural unit represented by Formula (II) or a structural unit represented by Formula (III) and in which the viscosity, at 25° C., of a solution obtained by dissolving the polyimide compound in N-methylpyrrolidone at a concentration of 5% by mass is in a range of 2.2 to 22.0 mPa·sec, in the formula, X1 represents a group having a structure represented by Formula (I-a) or (I-b).

Abstract: A gas separation membrane includes a gas separation layer containing a polyimide compound having a repeating unit represented by Formula (I), in Formula (I), RI represents a hydrogen atom, an alkyl group, or a halogen atom, Xa represents a sulfamoyl group, an alkoxysulfonyl group, a carboxy group, a hydroxy group, an acyloxy group, or a halogen atom, and R represents a mother nucleus having a specific structure.

Abstract: A gas separation membrane has a gas separation layer containing a cellulose resin, and an organopolysiloxane compound layer disposed on the gas separation layer in which Si ratio of the organopolysiloxane compound layer after immersion in chloroform to the organopolysiloxane compound layer before immersion in chloroform, the Si ratio being calculated by Mathematical expression (I), is 0.6 to 1.0.

Abstract: A gas separation membrane has a gas separation layer containing a poly(benzoxazole-imide) compound in which the poly(benzoxazole-imide) compound having structural units represented by General formulae (I) and (II), or structural units represented by General formulae (I), (II) and (III) satisfies a specific molar quantity condition. In the formulae, X and Y each represent a single bond or a specific divalent linking group; L represents a specific divalent linking group including a phenylene group; and R represents a specific group. A gas separation module and a gas separation method use the gas separation membrane. A gas separation apparatus includes the gas separation module.

Abstract: An m-phenylenediamine compound is represented by the following General Formula (I), (II), or (III). R1 represents a hydrogen atom, an alkyl group, a cycloalkyl group, or an aryl group. R2, R3, and R4 each represent an alkyl group. R5 and R6 each represent an alkyl group. X represents a chlorine atom or a bromine atom. A method for producing a polymer compound includes obtaining a polymer compound by using the m-phenylenediamine compound represented by General Formula (I) as a raw material.

Abstract: Provided are a gas separation membrane which includes a gas separation layer formed to include a polyimide compound and in which the polyimide compound includes a repeating unit represented by the following Formula (I), a gas separation module, a gas separation device, and a gas separation method using the same. In Formula (I), R represents a group having a specific structure. R3 represents a specific substituent group. A1 to A3 represent a hydrogen atom or a specific substituent group, but all of A1 to A3 do not represent a hydrogen atom at the same time. In this case, at least one of R3, A1, A2, and A3 represents a specific polar group.