国家/地区 中国（3）
IPC部 B（3） C（3）
IPC大类 B65（3） C08（3）
IPC小类 B65D（3）
IPC C08L005/08（3）
发明人
公开年 2022（2）
申请年 2022（3）
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

Preparing film used as antibacterial packing material or slow-release drug-carrying material by adding carboxymethyl chitosan and graphene oxide solution to triphosphoric acid, adding gelatin solution, adding into plate and drying film.

ZHAO Y, LI Y, LI F, XIE D, LI C

Improving film substrate gas barrier characteristics, comprises preparing cellulose acetate and glycerol solution, combining with graphene oxide nano sheet, and preparing transition metal oxide nano-particles.

LV Y, TAO Y, CHENG Y, LU J, WANG H, ZHOU H, DU J