	US 12,246,291 B2
	Metal organic framework glass membrane and preparation method thereof
Yanshuo Li, Zhejiang (CN); and Hua Jin, Zhejiang (CN)
Assigned to NINGBO UNIVERSITY, Zhejiang (CN)
Appl. No. 17/754,349
Filed by NINGBO UNIVERSITY, Zhejiang (CN)
PCT Filed Nov. 30, 2020, PCT No. PCT/CN2020/132605 § 371(c)(1), (2) Date Mar. 30, 2022, PCT Pub. No. WO2021/063426, PCT Pub. Date Apr. 8, 2021.
Claims priority of application No. 201910941561.4 (CN), filed on Sep. 30, 2019; and application No. 201911231111.2 (CN), filed on Dec. 5, 2019.
Prior Publication US 2022/0331745 A1, Oct. 20, 2022
Int. Cl. B01D 67/00 (2006.01); B01D 53/22 (2006.01); B01D 69/10 (2006.01); B01D 71/04 (2006.01); B01D 71/06 (2006.01)

CPC B01D 67/0079 (2013.01) [B01D 53/228 (2013.01); B01D 67/00411 (2022.08); B01D 69/106 (2022.08); B01D 69/108 (2022.08); B01D 71/04 (2013.01); B01D 71/06 (2013.01); B01D 2323/081 (2022.08); B01D 2323/12 (2013.01); B01D 2323/219 (2022.08)]

9 Claims

1. A preparation method of metal organic framework glass membrane, comprising:

forming a crystalline metal organic framework material;

heating the crystalline metal organic framework material to a temperature at or above a melting point thereof and below a decomposition temperature thereof at a rate of 1-15° C./min; and

cooling the heated crystalline metal organic framework material,

wherein the crystalline metal organic framework material comprises a metal node and a first ligand, the metal node is selected from a zinc ion, a cobalt ion, or a mixture thereof,

the first ligand is imidazole or phosphoric acid, and

the melting point is in a range of 370-600° C.