Organic frame material having zinc containing iso-molybdic acid metal, method of manufacturing the same, and application thereof

Patent metadata

Field	Value
Publication number	US-12492287-B2
Application number	US-202217875378-A
Country	US
Kind code	B2
Filing date	Jul 27, 2022
Priority date	Nov 25, 2021
Publication date	Dec 9, 2025
Grant date	Dec 9, 2025

Abstract

An organic frame material having zinc containing isopoly-molybdic acid metal, a method of manufacturing the same, and the application thereof are provided. The organic frame material having zinc containing isopoly-molybdic acid metal includes a three-dimensional network structure in which the zinc ions coordinate with 2,3,5,6-tetrafluoro-bis (1,2,4-triazole-1-methyl) benzene ligands and trinuclear molybdate anions. The organic frame material having zinc containing isopoly-molybdic acid metal exhibits high catalytic activity, thermal stability, low toxicity, ease of synthetization and use, and strong reproducibility.

First claim

What is claimed is:

1 . An organic frame material having a zinc containing isopoly-molybdic acid metal comprising:
a three-dimensional network structure having zinc ions coordinated with 2,3,5,6-tetrafluoro-bis (1,2,4-triazole-1-methyl) benzene ligands and trinuclear molybdate anions, the chemical formula of the three-dimensional network structure being [Zn (tfbtb) (Mo 3 O 10 ) (H 2 O)], wherein tfbtb is 2,3,5,6-tetrafluoro-bis (1,2,4-triazole-1-methyl) benzene ligand, and Mo 3 O 10 is a trinuclear molybdate anion.

2 . The organic frame material of claim 1 , wherein the three-dimensional network structure is a triclinic crystal system, the space group is P−1, the molecular formula is C 12 H 10 F 4 Mo 3 N 6 O 11 Zn, the molecular weight is 843.45, cell parameters are a=8.0433(4) Å, b=8.9974(8) Å, c=15.5979(9) Å, α=105.972(7)°, β=92.898(4)°, γ=99.595(6) °, and cell volume is 1064.49(13) Å 3 , Z=2.

3 . A method of manufacturing the organic frame material having a zinc containing isopoly-molybdic acid metal of claim 1 comprising:
providing a composition, the compositing comprising zinc salt, sodium molybdate dihydrate, 2,3,5,6-tetrafluoro-bis (1,2,4-triazole-1-methyl) benzene and a solvent; and
heating the composition to obtain the organic frame material having a zinc containing isopoly-molybdic acid metal.

4 . The method of claim 3 , wherein the molar ratio between the zinc salt and the sodium molybdate dihydrate is between 1:1 and 1:2, the molar ratio between the 2,3,5,6-tetrafluoro-bis (1,2,4-triazole-1-methyl) benzene and the zinc salt is between 1:3 and 1:9, and the molar ratio between the 2,3,5,6-tetrafluoro-bis (1,2,4-triazole-1-methyl) benzene and the sodium molybdate dihydrate is between 1:5 and 1:15.

5 . The method of claim 3 , wherein the zinc salt is selected from the group consisting of one or more of zinc nitrate, zinc acetate, and zinc chloride.

6 . The method of claim 5 , wherein the solvent is water, and each 0.07 mmol of 2,3,5,6-tetrafluoro-bis (1,2,4-triazole-1-methyl) benzene is disposed in 3 to 10 ml of water.

7 . The method of claim 3 , wherein the heating has a heating temperature ranging between 16° and 200° C. and a heating time ranging between 24 and 72 hours.

8 . A method of catalyzing ring opening polymerization of ε-caprolactone for manufacturing polycaprolactone comprising:
effecting a reaction of bulk ring-opening polymerization between the organic frame material having the zinc containing isopoly-molybdic acid metal of claim 1 and ε-caprolactone under a reaction temperature to obtain polycaprolactone.

9 . The method of claim 8 , wherein the molar ratio between the organic frame material having the zinc containing isopoly-molybdic acid metal and ε-caprolactone is 1:500 to 1:5000, and the reaction temperature for the bulk ring-opening polymerization ranges between 12° and 180° C., and a reaction time for the bulk ring-opening polymerization ranges between 1 and 12 hours.

Assignees

• Univ Changzhou

Inventors

• He Mingyang
• Chen Qun
• Qian Junfeng
• Chen Shengchun
• Tian Lu
• Wei Meijun

Classifications

• C08G63/83

  Alkali metals, alkaline earth metals, beryllium, magnesium, copper, silver, gold, zinc, cadmium, mercury, manganese, or compounds thereof {(C08G63/823 takes precedence)} · CPC title

• C08G63/08

  Lactones or lactides · CPC title

• C07F11/005 Primary

  compounds without a metal-carbon linkage · CPC title

• C08G63/823 Primary

  for the preparation of polylactones or polylactides · CPC title

• C08G83/008 Primary

  Supramolecular polymers · CPC title