国家/地区 中国（4）
IPC部 B（4）
IPC大类 B65（4）
IPC小类 B65D（4）
IPC C08J005/18（4）
发明人 LV Y（4）
公开年 2022（2） 2023（2）
申请年 2021（3） 
专利权人 BEIJING RES .（3） CHINA PETROL.（3）

Antistatic polypropylene composite film useful in packaging materials, comprises at least first film layer formed from a polypropylene composition and second film layer formed from a polypropylene composition.

BAI Y, XU K, CHU L, LV Y, REN Y, GAO D, XU M, QUAN H

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

Improving film substrate gas barrier characteristics, comprises preparing cellulose acetate and glycerol solution, combining with graphene oxide nano sheet, and preparing transition metal oxide nano-particles.

LV Y, TAO Y, CHENG Y, LU J, WANG H, ZHOU H, DU J

Propylene polymer based composite film useful in packaging material has different layers comprising propylene polymer and propylene impact copolymer, propylene impact copolymer having elastic part forms dispersed strip-shaped rubber phase.

XU M, ZHANG S, GAO D, BAI Y, XU K, REN Y, LIU J, QUAN H, DONG M, ZHANG Q, CHOU B, LYU Y, SHAO J, LV Y, RUNWAY, BAIGER C, LIU Y