m-PHENYLENEDIAMINE COMPOUND, POLYMER AND METHOD FOR PRODUCING THE SAME, AND GAS SEPARATION MEMBRANE, GAS SEPARATION MODULE, AND GAS SEPARATION APPARATUS USING THE POLYMER
AssigneeFUJIFILM Corporation
InventorKoji HIRONAKA
Life of this patent
Estimating the term…
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.
Claims17
A m-phenylenediamine compound represented by formula (Ia) below,
- wherein in the formula, 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 divalent group obtained by combining two or more of the foregoing groups, where LA has 4 or less carbon atoms, and
- * represents a linking site.
A polymer comprising a constituent component represented by formula (Ib) below,
- wherein in the formula, 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 divalent group obtained by combining two or more of the foregoing groups, where LA has 4 or less carbon atoms, and
- * represents a linking site.
A gas separation membrane comprising, as a polymer for a gas separation layer, a polyimide compound having a constitutional unit represented by formula (II) below,
- wherein in the formula, 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 divalent group obtained by combining two or more of the foregoing groups, where LA has 4 or less carbon atoms,
- * represents a linking site, and
- R represents a group represented by any one of formulae (I-1) to (I-28) below, where X1 to X3 represent a single bond or a divalent linking group, L represents —CH═CH— or —CH2—, R1 and R2 represent a hydrogen atom or a substituent, and * represents a bonding site with a carbonyl group in the formula (II).
Dependencies are inferred from the claim text.