国家/地区 中国（3）
IPC部 C（3）
IPC大类 C08（3）
IPC小类 C08J（3）
IPC C08J005/18（3）
发明人 WANG C（3）
公开年 2023（3）
申请年 2022（2） 
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

Polyurethane high-thermal conductivity film used as photothermally controllable film, is prepared by reacting three-dimensional carbon composite powder and thermoplastic polyurethane, concentrating obtained three-dimensional carbon/polyurethane assembly, dripping on substrate and heat-treating.

CHEN J, WANG C, LI H, LUO W

Composite current collector for use in a lithium ion battery comprises polymer film and multilayer conductive layer arranged on surface of polymer film, where polymer film comprises polymer body material and toughening material.

ZHANG G, LI X, WANG C