Metal-organic framework manufacturing method

Patent metadata

Field	Value
Publication number	US-2021002314-A1
Application number	US-202017020839-A
Country	US
Kind code	A1
Filing date	Sep 15, 2020
Priority date	Mar 22, 2018
Publication date	Jan 7, 2021
Grant date	—

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.

First claim

What is claimed is:

1 . A metal-organic framework manufacturing method comprising:
a step of mixing a metal salt and a polydentate ligand in the presence of a solvent to manufacture a metal-organic framework, wherein 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,

in the formula, n represents an integer of 2 to 6, A represents an n-valent organic group, X represents Li, Na, K, or Cs, and a plurality of X's may be the same or different from each other.

2 . The metal-organic framework manufacturing method according to claim 1 ,
wherein the water content is 0 to 50 mass % with respect to the total mass of the solvent.

3 . The metal-organic framework manufacturing method according to claim 1 ,
wherein a molecular weight of the compound represented by Formula (1) is 230 or greater.

4 . The metal-organic framework manufacturing method according to claim 1 ,
wherein the compound represented by Formula (1) is a compound represented by Formula (2),

in the formula, X represents Li, Na, K, or Cs, and a plurality of X's may be the same or different from each other.

5 . The metal-organic framework manufacturing method according to claim 1 ,
wherein the metal salt contains an iron atom.

6 . The metal-organic framework manufacturing method according to claim 1 ,
wherein the solvent contains two or more kinds of organic solvents having a boiling point of 100° C. or higher.

7 . The metal-organic framework manufacturing method according to claim 1 ,
wherein at least one selected from the group consisting of Fe(NO 3 ) 3 .xH 2 O, Fe(NO 3 ) 2 .xH 2 O, and FeCl 3 .xH 2 O is used as the metal salt.

8 . The metal-organic framework manufacturing method according to claim 2 ,
wherein a molecular weight of the compound represented by Formula (1) is 230 or greater.

9 . The metal-organic framework manufacturing method according to claim 2 ,
wherein the compound represented by Formula (1) is a compound represented by Formula (2),

in the formula, X represents Li, Na, K, or Cs, and a plurality of X's may be the same or different from each other.

10 . The metal-organic framework manufacturing method according to claim 2 ,
wherein the metal salt contains an iron atom.

11 . The metal-organic framework manufacturing method according to claim 2 ,
wherein the solvent contains two or more kinds of organic solvents having a boiling point of 100° C. or higher.

12 . The metal-organic framework manufacturing method according to claim 2 ,
wherein at least one selected from the group consisting of Fe(NO 3 ) 3 .xH 2 O, Fe(NO 3 ) 2 .xH 2 O, and FeCl 3 .xH 2 O is used as the metal salt.

13 . The metal-organic framework manufacturing method according to claim 3 ,
wherein the compound represented by Formula (1) is a compound represented by Formula (2),

in the formula, X represents Li, Na, K, or Cs, and a plurality of X's may be the same or different from each other.

14 . The metal-organic framework manufacturing method according to claim 3 ,
wherein the metal salt contains an iron atom.

15 . The metal-organic framework manufacturing method according to claim 3 ,
wherein the solvent contains two or more kinds of organic solvents having a boiling point of 100° C. or higher.

16 . The metal-organic framework manufacturing method according to claim 3 ,
wherein at least one selected from the group consisting of Fe(NO 3 ) 3 .xH 2 O, Fe(NO 3 ) 2 .xH 2 O, and FeCl 3 .xH 2 O is used as the metal salt.

17 . The metal-organic framework manufacturing method according to claim 4 ,
wherein the metal salt contains an iron atom.

18 . The metal-organic framework manufacturing method according to claim 4 ,
wherein the solvent contains two or more kinds of organic solvents having a boiling point of 100° C. or higher.

19 . The metal-organic framework manufacturing method according to claim 4 ,
wherein at least one selected from the group consisting of Fe(NO 3 ) 3 .xH 2 O, Fe(NO 3 ) 2 .xH 2 O, and FeCl 3 .xH 2 O is used as the metal salt.

20 . The metal-organic framework manufacturing method according to claim 5 ,
wherein the solvent contains two or more kinds of organic solvents having a boiling point of 100° C. or higher.

Assignees

• Fujifilm Corp

Inventors

• Hironaka Koji
• Nakayama Masaya

Classifications

• C07F15/02 Primary

  Iron compounds · CPC title

• B01J20/226 Primary

  Coordination polymers, e.g. metal-organic frameworks [MOF], zeolitic imidazolate frameworks [ZIF] (preparation of metal complexes containing carboxylic acid moieties C07C51/418; MOF's per se C07F) · CPC title

• C01G49/00

  Compounds of iron · CPC title

• C07C51/41

  Preparation of salts of carboxylic acids ({C07C51/093 - C07C51/34 take precedence} preparation of soap C11D) · CPC title

• C07C63/28

  Salts thereof · CPC title