国家/地区 中国（3）
IPC部 B（4）
IPC大类 C08（4）
IPC小类 C08J（4）
IPC C08J007/048（4）
发明人
公开年 2021（4）
申请年 2020（3） 
专利权人

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

Water and gas barrier coating comprises polymer having amine, hydroxyl, and carboxylic groups and graphene.

XU C

Graphene composite barrier film comprises organic thin film provided on inorganic thin film, graphene film, and primer layer provided between organic thin film and graphene film.

KIM M J, JANG S G, AHN S, TAE Y H, KIM J H, KIM H

High-toughness biaxially oriented polylactic acid film comprises upper surface layer, core layer and lower surface layer, where lower surface layer is composed of e.g. macromolecule modifier, polylactic acid resin and anti-blocking agent.

LIN X, ZHENG W, LIAO G, CHEN X, JIA L