国家/地区 中国（4）
IPC部 B（4）
IPC大类 C08（4）
IPC小类 C08K（4）
IPC C08L005/08（4）
发明人
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

Preparation of double-layer polymer modified graphene material used in separation and enrichment of glycoprotein, involves mixing e.g. hydrophilic polymer and solvent for electrostatic adsorption, and mixing obtained material with hyaluronic acid buffer salt solution for electrostatic adsorption.

GUAN S, LI H, YU J, PENG J, WANG L, DONG P, ZHAO Y

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