国家/地区 中国（2）
IPC部 B（2）
IPC大类 B32（2）
IPC小类 B32B（2）
IPC B32B027/06（2）
发明人
公开年 2021（2）
申请年 2020（2） 
专利权人

Packaging film useful for packaging retort food and medicinal material comprises first adhesive layer formed on sealant layer, core layer formed on first adhesive layer, second adhesive layer formed on core layer, and surface layer.

HEO J H, SOON P Y, KANGTAEWOON, HEO C H, PARK Y S, KANG T W, HEO C, PARK Y, KANG T

Cigarette film comprises functional layer, core layer and secondary functional layer, where core layer is located between functional layer and sub-functional layer, and functional layer is prepared using copolymerized ternary polypropylene.

JIANG S, CHEN D, CHEN Z, XIAO J, HU B, HUANG W