国家/地区 中国（2）
IPC部 B（2）
IPC大类 B65（2） C08（2）
IPC小类 B65D（2）
IPC C08L023/06（2）
发明人 LIU S（2）
公开年 2023（2）
申请年 2022（2）
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

Use of graphitic carbon nitride based high antibacterial and high barrier modified atmosphere fresh-keeping plastic product for fresh-keeping of fruits and vegetables, meat, prepared dishes or semifinished food, where plastic product is made by blending and melting graphitic carbon nitride material.

LIU S, LI W, ZHAO Z