国家/地区 中国（2）
IPC部 B（2）
IPC大类 B32（2）
IPC小类 B32B（2）
IPC B32B009/00（2）
发明人
公开年 2019（2）
申请年 2019（2） 
专利权人

Preparation of film involves preparing graphene oxide aqueous solution and polyimide precursor solution, mixing, freezing, obtaining graphene oxide/polyamic acid composite sponge, hot-pressing, carbonizing and graphitizing carbon film.

PENG Q, ZHU Y, HE X

Graphene-modified building film structural material comprises polytetrafluoroethylene layer, adhesive layer, graphene layer and protective layer, where lower surface of adhesive layer is provided with polytetrafluoroethylene layer.

LI K, LI W, SONG N, LI Z