国家/地区 中国（2）
IPC部 B（3）
IPC大类 B32（3）
IPC小类 B32B（3）
IPC B32B007/12（2） B32B027/10（2） B32B027/32（2）
B32B029/00（2） D21H027/10（2）
发明人
公开年 2022（3）
申请年 2021（3）
专利权人

Producing oxygen barrier material for packaging material involves providing and forwarding substrate material web, providing aqueous composition comprising graphene oxide comprising monolayer flakes of graphene oxide, and coating aqueous composition of graphene oxide onto substrate material web.

BERLIN M, WAHLBERG J, GUIDETTI G

Printing box for large sheet-shaped automatic packaging line, has top part of graphene aqueous painting layer that is provided with printing ink pattern layer.

LI C, WANG Y

Producing paper packaging bag comprises impregnating inner packaging base paper layer, and outer packaging base paper layer, drying, coating impregnated inner packaging base paper layer and outer packaging base paper layer with barrier adhesive material, hot pressing and cooling.

NI H, CHEN F, YANG J