国家/地区 中国（3）
IPC部 B（3）
IPC大类 B32（3） C08（3） C09（3）
B29（2） B65（2）
IPC小类 B32B（3）
IPC B32B027/18（3）
发明人
公开年 2023（2）
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

High ductility and high temperature resistant composite food packaging film useful for food packaging or food preserving, comprises modified composite film layer which is base modified film layer, maleic anhydride graft polyethylene resin film middle layer and polyethylene outer film layer.

CHEN C

Graphene oxide barrier film used in gas-barrier barrier device and used in food packaging applications, comprises crosslinked composition comprising graphene, polymer, and crosslinking group.

ZHENG S, KATAYAMA H, SIMAVORYAN S