国家/地区 中国（4）
IPC部 B（4）
IPC大类 B01（4）
IPC小类 B01J（4） C07C（3）
IPC B01J037/08（2）
发明人 ZHANG X（4）
公开年 2023（3）
申请年 2022（4）
专利权人

Catalyst for directionally synthesizing alkyl carbonate from alkyl oxalate, comprises calcium-magnesium-aluminum hydrotalcite modified by modifier.

LI Z, ZHANG X, YUAN X, WANG X, CHEN W, LI J, WAN Z, WANG W, YU G, XIA R, PANG X, LI G, XIONG X, SONG X, SHI L, SUN Y, ZHOU J, ZHENG W

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

Preparing catalyst used for preparing vanillic aldehyde and 4-methyl guaiacol, involves mixing metal nickel salt, cobalt salt, carbon source, and amine source in solvent in certain proportion, heating, stirring to form uniform jelly, and drying jelly to obtain the catalyst precursor.

CHEN L, ZHANG Q, ZHANG X, MA L, LIU J

Preparing membrane catalytic material useful in Knoevenagel condensation reaction comprises e.g. reacting, mixing graphene oxide dispersion liquid, organic amine and activator, carrying out dialysis treatment and ultrasonic treatment, and performing vacuum filtration.

ZHANG X, PANG S, JIANG L