US 12,421,258 B2
Compositions including metal organic frame for inhibiting formation or growth of ice crystallization and preparing method thereof
Eunji Lee, Gwangju (KR); Nayeong Jeon, Gwangju (KR); and Jiyeon Lee, Gwangju (KR)
Assigned to GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY, Gwangju (KR)
Filed by GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY, Gwangju (KR)
Filed on Oct. 4, 2022, as Appl. No. 17/959,856.
Claims priority of application No. 10-2021-0152398 (KR), filed on Nov. 8, 2021; and application No. 10-2022-0072799 (KR), filed on Jun. 15, 2022.
Prior Publication US 2023/0143886 A1, May 11, 2023
Int. Cl. C07F 7/00 (2006.01); C30B 28/06 (2006.01); C30B 29/16 (2006.01)
CPC C07F 7/00 (2013.01) [C30B 28/06 (2013.01); C30B 29/16 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A composition comprising:
particles of metal-organic framework (MOF), each particle comprising central metals of zirconium and linkers which are organic ligands for connecting the central metals,
wherein at least two adjacent zirconiums on a surface of the particle have a structure represented by Formula 1:

OG Complex Work Unit Chemistry
wherein Zr is the zirconium on the surface of the particle;
R1 and R2 are each alkyl having 1 to 5 carbon atoms; and
R3 is one selected from the group consisting of Thr, Val, Ala, Ser and Gly,
wherein an amino group (—NH2) of R3 is bound to the alkyl of R2.