国家/地区 中国（2）
IPC部 B（2）
IPC大类 B29（2）
IPC小类 B29D（2）
IPC B29D007/01（2）
发明人
公开年 2021（2）
申请年 2020（2） 
专利权人

Preparing flexible packaging film used for power lithium batteries comprises extruding inner film base materials and polyamide, coating nano-titanium dioxide on aluminum foil base film, melting, controlling thickness of film, compounding.

HU W, ZHOU Z, LI W, REN F, WU L, ZHANG W, XU F, LIU Z, ZHANG D, GUO H

Polyethylene (PE) multilayer barrier composite film comprises PE/adhesive layer/ethylene vinyl alcohol composite barrier layer/adhesive layer/PE which are laminated layer by layer.

ZHANG Q, LI Y, WANG W, LI G