国家/地区 中国（4）
IPC部 C（4）
IPC大类 C08（4）
IPC小类 C08K（4） C08L（4） C08J（3）
IPC C08K003/04（4）
发明人
公开年 2023（4）
申请年 2023（4）
专利权人

Packaging material used for forming packaging bag used for extending shelf life of steamed buns, comprises polypropylene particles, modified nano-graphene, sodium sorbate, nano-silver oxide and diethyl phthalate, where modified nano-graphene is obtained by coating and modifying chitosan sol.

WU X, MA L, SUN F, GUO H, MA S, ZHAO X, ZHANG M, WANG C

Modifying polyhydroxyalkanoate, comprises e.g. dispersing nanoparticles in liquid phase environment, and adding polyhydroxyalkanoate.

YANG J, ZHANG T, XUE M, DENG T, OUYANG Y, XU X, WU Y

Preparing flame-retardant polypropylene foam material involves taking polypropylene, zinc oxide and zinc stearate, mixing, extruding and granulating, and obtaining master batches of additives, and mixing polypropylene, maleic anhydride grafted polypropylene, graphene oxide and flame retardant.

MA P

Rubber composition used for track, comprises mixture of diene synthetic rubber and natural rubber, carbon black, graphene oxide, zinc isodecanoate, 203 resin, vulcanizing agent and anti-aging agent, where carbon black is mixture of medium ultra-high wear-resistant carbon black N231 and N582.

FENG B, LOU W, WANG J, PAN J, YE R, CAI H