国家/地区 中国（3）
IPC部 B（3） C（3）
IPC大类 B01（3） C08（3）
IPC小类 B01D（3）
IPC C08J009/40（3）
发明人
公开年 2021（2）
申请年 2021（3）
专利权人

Preparation of demulsifier used in separation of oil-in-water emulsion system, involves preparing grafted graphene oxide by refluxing graphene oxide and ethanol solution of tetradecylamine, soaking polyurethane sponge in ethanol solution of grafted graphene oxide, removing and drying sponge.

DOU W, QU G, GU M

Preparation method of graphene-based sponge used for treating sewage, involves performing ultrasonic treatment on the mixture of the graphene oxide dispersion and polyurethane sponge, heating.

WU J, LI C, SONG S, HUO S, LI K, WANG Y

Preparing oil-absorbing sponge modified based on graphene oxide, comprises cleaning polyurethane sponge with ethanol, mixing, soaking polyurethane sponge soaked in graphene oxide solution into modification solution and drying.

ZHANG J, LAN Q, LIN H, XU H