国家/地区 中国（2）
IPC部 B（2） C（2）
IPC大类 B82（2）
IPC小类 B82Y（2）
IPC B82Y040/00（2）
发明人 LI W（2）
公开年 2022（2）
申请年 2022（2）
专利权人

Preparing nano-graphene used as plugging agent in oil-based drilling fluid, comprises reacting graphite, oxidant i.e. ammonium persulfate and intercalating agent i.e. concentrated sulfuric acid, reacting with concentrated sulfuric acid and oxidant i.e. potassium permanganate, and gas-stripping.

DAI F, LI W, HUANG D, XIE G, LUO P, LI D, BAI Y

Preparation of seaweed-derived chlorine-atom-doped graphene quantum dots used for cell imaging, involves dispersing activated seaweed waste as precursor, and ethanol/trichloromethane as mixed solvent, reacting, cooling, filtering, removing insoluble carbon products, dialyzing, and drying.

ZHANG L, JIANG N, ZHOU Y, LIU J, LI W