国家/地区 中国（2）
IPC部 C（2）
IPC大类 C01（2）
IPC小类 C01B（2）
IPC C01B032/198（2）
发明人
公开年 2020（2）
申请年 2020（2） 
专利权人

Reactive nitrogen-phosphorus modified graphene modified polyurethane flame retardant material comprises nitrogen-phosphorus modified graphene, isophorone diisocyanate, polyester polyol, catalyst, chain extender, and dimethylolpropionic acid.

LIN D

Preparing three-dimensional complex nano-carbon material comprises e.g. preparing graphene oxide by Hummers method, dispersing graphene oxide in water with ultrasonic waves, adding sodium hydroxide, and freeze-drying to obtain solid.

CHEN Z, DONG H, SUN J, LI N, ZHAO X