国家/地区 中国（3）
IPC部 B（3） C（3）
IPC大类 B01（3）
IPC小类 B01J（3）
IPC B01J020/30（3）
发明人
公开年 2020（3）
申请年 2020（3） 
专利权人

Preparing a graphene oxide modified magnetic polypropylene imine polymer material useful as solid phase extraction adsorbent in the magnetic solid phase extraction detection of polychlorinated biphenyl in environmental water sample.

ZHOU Q, WANG H

Chitosan-polydopamine-graphene hydrogel adsorbing material comprises mercaptochitosan, dopamine hydrochloride and biomass-based porous graphene.

YI S

Preparing graphene resin useful as rhenium adsorbent in adsorption of trace rhenium, comprises mixing graphite oxide dispersion with sodium hydroxide, adding bromoacetic acid, reacting, then mixing with resin monomer, and reacting.

CHEN Z, FANG D, XIAO C, LI H, WANG Q, LI Q, LIU R, WANG L, CHENG Y, SONG Z, TIAN L, LV Q, XIONG Y, ZHANG L, DU Y