国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3）
IPC小类 B01D（3）
IPC C08G018/32（3）
发明人
公开年
申请年
专利权人

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 tung oil-based polyurethane-graphene oxide hybrid film useful for adsorbing carbon dioxide comprises e.g. adding tung oil-based polyol and polyglycerol to reaction flask, stirring, adjusting pH vacuuming and closing vacuum valve.

ZHANG Y, WEI L, MA J, ZHANG X, YANG S, WANG W

Preparing a gas separation film, comprises mixing graphene and N,N-dimethylformamide to obtain a mixture and then dispersing, and mixing mixture with 1,4-butanediol, 4,4-diphenylmethane diisocyanate and dibutyltin dilaurate to heat.

WU L, WANG T, ZHAO L