国家/地区 中国（4）
IPC部 B（4） C（4）
IPC大类 B29（4）
IPC小类 B29D（4）
IPC C08L023/06（4）
发明人
公开年 2023（4）
申请年 2022（3） 
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

Tubular product useful for garden flower planting and heating, comprises pipe main body and functional layer covered on surface of pipe main body, where functional layer adopts functional composite material, and functional composite material comprises e.g. functional masterbatch and compatibilizer.

CHEN Y, HU Z, QIN J, BAO Z, ZHANG C

Double-wall corrugated pipe material outer wall and inner wall, where outer wall comprises e.g. chlorinated polyvinyl chloride resin, grafted polyethylene solubilizer, light shielding agent, ultraviolet light absorber, strengthening agent graphene, lubricant, and nano calcium carbonate.

LUO Q, YE C, ZHENG S, CHEN G, ZHANG S

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