国家/地区 中国（3）
IPC部 B（3）
IPC大类 B29（3）
IPC小类 B32B（3）
IPC B32B027/08（3）
发明人
公开年 2023（3）
申请年
专利权人

High-barrier packaging material used for packaging articles such as medicine, comprises aluminum foil, polyethylene (PE) adhesive layer, barrier layer, PE adhesive layer, substrate and PE film, where barrier layer comprises ethylene-vinyl alcohol copolymer, and acetylated chitosan nanofiber.

ZHU H, JIN W, GAO Y, TAO J, ZHANG D, LIN W

Electromagnetic shielding polypropylene composite film useful in packaging material field, namely electronic product packaging, comprises e.g. first film layer formed by first polypropylene composition and second film layer formed by second polypropylene composition i.e. resin component.

CHOU B, BAI Y, DONG M, QUAN H, GAO D, XU M, LV Y

High-transparent and high-strength polyethylene heat-shrinkable film useful for packaging bottle-packed beverage, comprises e.g. first layer (comprised of low-density and metallocene polyethylene), second layer, third layer and fourth layer (comprised of high density polyethylene).

LIU Z, LI R, LIU S