国家/地区 中国（2）
IPC部 C（2）
IPC大类 C08（2）
IPC小类 C08L（2）
IPC
发明人 ZENG Q（2）
公开年 2021（2）
申请年 2021（2） 
专利权人 UNIV CHANGSHA SCI TECHNOLOGY（2）

Preparing multi-layer composite barrier film used as packaging material, by configuring polyetherimide/graphene oxide mixed solution, removing excess polyetherimide by suction filtration, re-dissolving polyetherimide/reduced graphene oxide mixture in solvent, and using layer-by-layer sol-gel method.

ZENG Q, LONG L, HE C, DU X, DING Z, YIN C

Preparing modified asphalt, involves mixing graphene oxide with polymer in grinding manner, attaching graphene oxide particles to surface of polymer, adding composite modifier to asphalt in molten state, shearing mixture, and jointly combining asphalt and polymer.

LIU Y, ZENG Q, HE Y, ZENG Y, XU Z