国家/地区 中国（4）
IPC部 B（4）
IPC大类 B01（4）
IPC小类 B01J（4） C07C（3）
IPC B01J023/72（4）
发明人
公开年 2022（3）
申请年 2022（4）
专利权人

Synthesizing 1,3-butadiynes by heterogeneous catalysis comprises adding aryl-substituted alkynes, oxygen and nitrogen-doped graphene-supported copper catalyst into N,N-dimethylformamide solution, stirring and reacting.

GE Y, YANG D, MA X

Preparing copper/ graphene composite material for e.g. power transmission comprises carrying out one-time hydrothermal method, adding copper salt and reducing agent into beaker , transferring solution into constant temperature water bath, performing suction filtration, washing, and vacuum drying.

MA J, DU W, PANG J, ZHANG L

Preparation of 4'-methyl-2-cyanobiphenyl involves adding 2-cyanochlorobenzene, 4-methylchlorobenzene, toluene, and catalyst to reactor, filling reactor with inert gas, and reacting at specified temperature.

LIU S, RONG R, JIANG S, ZHENG G, ZHANG Q, GAO L

In-situ preparing triazole-based lubricating oil additives based on friction-click chemistry, comprises e.g. mixing 1-methyl-3-propargyl imidazole ionic liquid, azide compound, nano-copper catalyst and base oil to obtain mixture, performing Husigen-cycloaddition reaction.

YU Q, WANG X, XU H, ZHOU F, CAI M