国家/地区 中国（3）
IPC部 B（3）
IPC大类 B29（3）
IPC小类 B29D（3）
IPC B29D007/01（3）
发明人
公开年 2023（3）
申请年 2022（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

Coating-free biaxially stretched polyester window film comprises outer surface layer made of organosilicon-modified polyester masterbatch, organic fluorine-modified polyester masterbatch, core layer made of polyester ultraviolet barrier masterbatch and polyester water-oxygen barrier masterbatch.

SHI L, DING D, HUANG J, SUN S, ZHANG S, WANG H