公开(公告)号：US11642651B2

公开(公告)日：2023-05-09

申请号：US16662025

申请日：2019-10-24

Applicant: KOREA INSTITUTE OF ENERGY RESEARCH

Inventor： Hyun-uk Kim ,  Young Cheol Park ,  Jong-ho Moon ,  Hoon Beom Park ,  Muhammad Sohail

IPC: B01J20/26 ,  B01D53/14 ,  B01D53/62 ,  B01J20/28 ,  B01J20/10 ,  B01J20/283

CPC classification number: B01J20/265 ,  B01D53/1475 ,  B01D53/62 ,  B01J20/103 ,  B01J20/283 ,  B01J20/28059 ,  B01D2252/10 ,  B01D2252/2053 ,  B01D2257/504

Abstract: The present disclosure relates to a cucurbituril-polyethylenimine-silica complex, a method for preparing the same and a carbon dioxide absorbent containing the same. According to the present disclosure, a cucurbituril-polyethylenimine-silica complex may be prepared by forming a complex wherein a cucurbituril is bound to polyethylenimine and including the same inside silica, and it may be used as a carbon dioxide absorbent with superior thermal stability and prevented formation of urea.