国家/地区 中国（2）
IPC部 B（2）
IPC大类 B32（2）
IPC小类 B32B（2）
IPC C01B031/04（2）
发明人
公开年 2016（2）
申请年 2016（2） 
专利权人

Preparing graphene composite film comprises e.g. dividing graphite powder into two equal portions, adding into first organic and second organic solvent solution, subjecting into sonication, carrying out heating and carbonizing treatment.

LI S

Graphene compound for barrier element and clear packaging for product comprises optionally functionalized graphene directly bonded to nitrogen-containing compound.

ZHENG S