国家/地区 中国（2）
IPC部 B（2）
IPC大类 C09（2）
IPC小类 C09D（2）
IPC
发明人
公开年 2021（2）
申请年
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

Large pipe diameter inner covered composite hydrophobic coating comprises polytetrafluoroethylene, aqueous epoxy resin, composite inorganic nano-particles, auxiliary agent, additive, and water.

YANG T, LUO Y, WANG P, YU X, CAO T, NAME N P