国家/地区 中国（2）
IPC部 C（2）
IPC大类 C01（2）
IPC小类 C01B（2）
IPC C01B031/04（2）
发明人 YU J（2）
公开年 2016（2）
申请年 2015（2）
专利权人

Sulfonated graphene used to prepare sulfonated graphene-modified aqueous polyurethane resin, is prepared by adding graphite powder in concentrated sulfuric acid, concentrated nitric acid and potassium permanganate mixture and reacting.

HAO Z, JIN M, SUN F, YU J, ZHANG C, ZHU J

Preparing large graphene oxide sheet, comprises intercalating the natural graphite flake with mixed acid solution to obtain intercalated graphite, heating, oxidizing to obtain graphene oxide, and adding into solvent, and centrifuging.

HAO F, HU Q, LI L, TONG L, WANG H, WANG Q, WANG Y, YU J, ZHANG J, ZHANG X, ZHANG Z, ZHOU Z