国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3）
IPC小类 B01D（3）
IPC B01J020/26（3）
发明人
公开年 2014（2）
申请年 2013（3）
专利权人

Formaldehyde mixture includes nano-titanium dioxide, super-absorbent graphene, superfine anionic tourmaline powder, cyclodextrin inclusion compound, non-ionic surfactant, anionic surfactant, organic silicon polymer, and polyacrylate.

ZHENG G, YU M, YANG J

Amphoteric cellulose-based composite material used for e.g. absorbing oil and heavy metal ion in organic wastewater, is obtained by mixing quaternary ammonium sulfonated cellulose, graphene oxide and chitosan, and freeze-drying mixture.

CHEN Y, LIN H, XIONG J, SU G

Polytetrafluoroethylene micro-extraction column for measuring polycyclic aromatic hydrocarbon material in food, water and soil, has alternating layered structure of polydopamine and graphene layers in specified number.

CHEN Z, ZHANG W