国家/地区 中国（4）
IPC部 B（4） C（4）
IPC大类 B65（4）
IPC小类 B65D（4）
IPC C08L023/06（4）
发明人 LIU S（2）
公开年 2023（4）
申请年 2022（2）  2023（2） 
专利权人

High-barrier packaging material used for packaging articles such as medicine, comprises aluminum foil, polyethylene (PE) adhesive layer, barrier layer, PE adhesive layer, substrate and PE film, where barrier layer comprises ethylene-vinyl alcohol copolymer, and acetylated chitosan nanofiber.

ZHU H, JIN W, GAO Y, TAO J, ZHANG D, LIN W

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

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