国家/地区 中国（2）
IPC部 B（2）
IPC大类 B29（2） B65（2）
IPC小类 B29C（2）
IPC
发明人 LIU J（2）
公开年
申请年 2021（2）
专利权人

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

Preparation of medicinal aluminum-plastic composite cover for e.g. medicine packaging, involves preparing modified plastic component using e.g. polypropylene, compatibilizer and e.g. ethylene-vinyl alcohol copolymer, adding modified aluminum component, stamping and compounding.

HUANG H, LIU J, JIANG C, HUANG T, GUAN J, ZHANG D, GUO F, ZHAO G, HUANG L