国家/地区 中国（3）
IPC部 B（4）
IPC大类 B65（4）
IPC小类 B65D（4）
IPC D21H021/14（3） D21H027/10（3） B65D065/40（2）
D21H019/14（2）
发明人
公开年 2022（2）
申请年 2021（2） 
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

Paper-plastic composite bag comprises paper layer includes e.g. polypropylene, composite flame retardant, polyvinyl chloride-kaolin composite material, heat-resistant polyurethane, sunscreen, dioctyl phthalate and plastic layer.

WEN C, ZHOU G

Aqueous hydrophobic and oleophobic barrier coating useful for preparing packaging paper, comprises methacrylate, styrene, acrylic acid, graphene powder, filler, dispersant, initiator, emulsifier, deionized water and auxiliary agent.

SUN X, ZHU H, TAN K, CHEN T

Conductive heating food packaging paper comprises packaging base paper, conductive heating layer and polylactic acid film layer, where heating layer is made of modified graphene-carbon nanotube-nanocellulose conductive heating coating.

YI C, ZHAO X, YANG J, JIANG L, WANG Q, XU B, CHENG Y, DING J