国家/地区 中国（7）
IPC部 B（7）
IPC大类 B01（7） C07（7）
IPC小类 B01J（7）
IPC B01J023/04（3） C07D201/04（3） C07D223/10（3）
C07D317/36（3） B01J021/18（2） B01J023/06（2）
B01J023/10（2） B01J029/40（2） C07D317/38（2）
发明人 GUO H（7）
公开年 2023（4） 2021（2）
申请年 2022（4）  2021（2） 
专利权人 JIANGSU YANG.（4） INST COAL CH.（3）

Preparing composite silicon molecular sieve catalyst useful in preparing caprolactam, comprises e.g. mixing organosilicon compound, quaternary ammonium template and water, hydrolysizing, distilling, crystallizing, adjusting to neutral, performing first calcination, and adding graphene oxide.

YAN X, DAI Y, HAN M, KONG M, XU L, DING K, WANG G, GUO H

Synthesizing caprolactam comprises using catalyst to catalyze reaction raw material comprising cyclohexanone oxime to carry out Beckmann gas-phase rearrangement reaction to obtain caprolactam.

GUO Y, HAN M, DAI Y, KONG M, XU L, DING K, GUO H, WANG G

Composite molecular sieve useful in catalyst for preparing caprolactam from cyclohexanone oxime comprises silicon-based molecular sieve core body and graphene oxide shell layer coated on outer surface of silicon-based molecular sieve core body.

YIN J, KONG M, DAI Y, HAN M, XU L, DING K, WANG G, GUO H

Preparing catalyst useful for synthesizing caprolactam, comprises stirring and mixing raw materials including graphene oxide, phosphorus source and solvent, and subjecting mixture to solid-liquid separation, washing, drying, and roasting in nitrogen or inert gas atmosphere.

KONG M, HAN M, ZHANG X, DAI Y, XU L, DING K, GUO H, WANG G

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