国家/地区 中国（2）
IPC部 B（2）
IPC大类 B32（2） B65（2） C08（2）
IPC小类 B32B（2）
IPC B32B027/08（2）
发明人
公开年 2023（2）
申请年
专利权人

Preparing medicine packaging composite film with super peel strength used in medicine industry, by adding high-pressure polyethylene and linear low-density polyethylene in mixer, carrying out high-speed mixing, screw extrusion molding, cooling, modifying and ultrasonically processing.

SUN E, SUN Z, LI W, SHI S, ZHANG L

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