国家/地区 中国（3）
IPC部 B（3）
IPC大类 B29（3） B32（3） B65（3）
IPC小类 B29C（3）
IPC B29C048/00（3）
发明人 LIU Y（2）
公开年 2022（3）
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

High barrier bio-based nylon film used in food and medical packaging field, comprises orderly laminated composite of anti-bacterial core layer, barrier core layer and base material layer.

YANG J, LIAO G, CUI L, ZHENG W, FAN S, LI X, LIU Y, LIU X

High-barrier heat-sealing fluorine film useful for medical packaging comprises barrier heat-sealing layer compounded on lower surface of structure supporting layer and auxiliary agent of structural supporting layer A and barrier and heat-sealing layer B comprises modified nano particles and filler.

CHENG L, ZHANG K, YIN Z, FENG W, YAN Y