国家/地区 中国（2）
IPC部 B（2） C（2）
IPC大类 B29（2）
IPC小类 B29D（2）
IPC B29D007/01（2）
发明人
公开年
申请年
专利权人

High-transparent and high-strength polyethylene heat-shrinkable film useful for packaging bottle-packed beverage, comprises e.g. first layer (comprised of low-density and metallocene polyethylene), second layer, third layer and fourth layer (comprised of high density polyethylene).

LIU Z, LI R, LIU S

Thermally conductive graphene-polymer material composite film comprises multilayer composite film comprising graphene, nanocellulose, and thermoplastic polymer material.

DING P, CUI S, SONG N, SHI L