国家/地区 中国（3）
IPC部 B（3）
IPC大类 B32（3） C08（3） B65（2）
H05（2）
IPC小类 B32B（3）
IPC B32B027/20（3）
发明人 XU M（3）
公开年 2023（3）
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 field of packaging material, comprises at least one film layer formed from homopolypropylene, propylene impact copolymer and polyolefin elastomer, and at least one film layer formed from e.g. random polypropylene.

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

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