国家/地区 中国（8）
IPC部 C（8）
IPC大类 C07（8） B01（7）
IPC小类 C07D（8）
IPC C07D317/36（8）
发明人 CHEN C（3） GUO H（3） HOU B（3）
JIA L（3） LI D（3）
公开年 2021（3） 2022（2）
申请年 2021（4） 
专利权人 INST COAL CH.（3）

Preparation of carbon-based metal single atom catalyst in cycloaddition reaction of carbon dioxide, by mixing carbon source, nitrogen source and metal salt, ball milling, heating under inert atmosphere using high temperature pyrolysis method to uniformly disperse metal single atom in metal salt.

LONG R, GONG W, LI J, XIONG Y

System for converting industrial exhaust gas carbon dioxide into cyclic carbonate, includes dehydration reactor, cycloaddition reactor, epoxy feedstock storage tank, carbonate storage tank, and ethylene glycol or propanediol storage tank.

GAO X, SUN L, FAN Y, LI Y

Preparing near infrared photo-thermal catalyst used in photo-thermal catalysis field for cycloaddition reaction of carbon dioxide and epoxide, involves mixing the graphene oxide dispersion liquid and dehydrating agent.

LI B, CHEN X, WU L

New metal oxide based catalyst useful for catalyzing transesterification reaction of cyclic carbonate and alcohol to produce aliphatic carbonate.

HOU B, JIA L, CHEN C, GUO H, LI D

Pretreating catalyst for synthesis of cyclic carbonate, comprises performing first pretreatment of metal oxide-based catalyst in tube furnace in nitrogen or argon atmosphere, and performing second pretreatment of catalyst under carbon dioxide-containing mixed gas.

HOU B, JIA L, CHEN C, GUO H, LI D

Catalyst useful for cycloaddition reaction of epoxide including ethylene oxide or propylene oxide, comprises graphene oxide, and hydrotalcite, where graphene oxide contains large number of electronegative groups.

LI D, GUO H, CHEN C, XIAO Y, JIA L, HOU B

Preparation of cyclic carbonate by adding autoclave with, e.g. epoxy compound and lanthanum-modified graphene catalyst, stirring, dispersing, sealing, vacuumizing, replacing air with carbon dioxide, heating and dissolving in organic solvent.

WANG Q, ZHANG Y

Preparation of five-membered cyclic carbonate using chemical fixing carbon dioxide by converting propargyl alcohol using carbon nanotube or graphene grafted with N-heterocyclic carbene in the presence of carbon dioxide and organic phase.

CHEN A, ZHANG Z, YU Y, CHEN J