	US 12,434,221 B2
	Porous crosslinked material, preparation and application thereof
Jianmei Lu, Suzhou (CN); and Qingfeng Xu, Suzhou (CN)
Assigned to SOOCHOW UNIVERSITY, Suzhou (CN)
Appl. No. 18/011,425
Filed by SOOCHOW UNIVERSITY, Suzhou (CN)
PCT Filed Feb. 1, 2021, PCT No. PCT/CN2021/074735 § 371(c)(1), (2) Date Dec. 19, 2022, PCT Pub. No. WO2022/160356, PCT Pub. Date Aug. 4, 2022.
Prior Publication US 2023/0330628 A1, Oct. 19, 2023
Int. Cl. B01J 20/26 (2006.01); B01D 15/00 (2006.01); B01J 20/30 (2006.01)

CPC B01J 20/267 (2013.01) [B01D 15/00 (2013.01); B01J 20/305 (2013.01); B01D 2257/202 (2013.01); B01D 2257/40 (2013.01); B01D 2257/70 (2013.01); B01J 2220/4812 (2013.01)]

6 Claims

1. A method for preparing a porous cross-linked material, comprising:

adding a TPC-OTBS n-hexane solution to a mixed solution of TPC-OSO₂F, dimethylformamide (DMF) and 1,8-diazabicyclo(5.4.0)undec-7-ene (DBU);

leaving the mixed solution to react at room temperature to obtain a cross-linked solvogel;

adding the cross-linked solvogel into an alcohol, and

stirring and drying to obtain the porous cross-linked material,

the chemical structural formulas of TPC-OTBS and TPC-OSO₂F are: