国家/地区 中国（4）
IPC部 C（4）
IPC大类 C08（4）
IPC小类 C08G（4）
IPC C08G018/48（4）
发明人 ZHANG H（4）
公开年
申请年 2021（2） 
专利权人

Graphene-modified rigid polyurethane used in electromagnetic shielding, comprises polyether polyol, catalyst, foaming agent, foam stabilizer, water, modified graphene oxide, graphite powder, flame retardant, and polyisocyanate, where modified graphene oxide is graphene oxide treated with modifier.

ZHANG H, LIANG F, WANG Y

Preparing graphene polyurethane composite sponge material useful in electronic cigarette filtration, comprises e.g. preparing modified graphene oxide dispersion, stirring with silicon-containing surfactant, stannous octoate, triethylenediamine, and toluene diisocyanate, carrying out free foaming.

HOU W, PAN D, ZHANG H, LIANG D, WANG Z

Preparing composite modified functionalized graphene modified aqueous polyurethane emulsion, by preparing graphene oxide by Hummers method, adding composite modified functionalized graphene to aqueous polyurethane prepolymer, and stirring.

XIN H, LUO H, YU W, ZHANG Y, ZHANG H

Flexible flame-retardant graphene phase change composite material used for manufacturing electronic devices, comprises graphene oxide solution and flame retardant phase change material that comprises 4,4'-diphenylmethane diisocyanate.

HONG W, JIAO T, SUN J, ZHAO X, WEI C, GAO J, WU S, ZHANG C, ZHANG B, TIAN H, ZHANG H, MI F