国家/地区 中国（3）
IPC部 B（3）
IPC大类 B65（3） C08（3） B29（2）
B32（2）
IPC小类 B65D（3）
IPC B65D065/40（3）
发明人 LIU Y（2）
公开年 2022（3）
申请年 2021（2） 
专利权人

Polyolefin heat-shrinkable film high performance film comprises e.g. intermediate layer and surface layer located on both sides of intermediate layer, graphene oxide, linear low density polyethylene resin, spherical alumina and polypropylene resin.

LIU L, LIU Y

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

Paper-plastic composite bag comprises paper layer includes e.g. polypropylene, composite flame retardant, polyvinyl chloride-kaolin composite material, heat-resistant polyurethane, sunscreen, dioctyl phthalate and plastic layer.

WEN C, ZHOU G