国家/地区 中国（2）
IPC部 B（3）
IPC大类 B01（3）
IPC小类 C02F（3）
IPC C02F001/28（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

Sponge for oil-water separation is prepared by reacting polyol blend with polyisocyanate and graphene, in the presence of catalyst, foaming agent, and foam stabilizer in which polyol blend contains e.g., polyol components and glycerol.

LIU Y, CHEN S

Preparation of graphene oxide-polyurethane foaming material for absorbing heavy metal ion from wastewater, involves preparing oxidized graphite alkene using Hummers method, adding polyether glycol, foam stabilizer and catalyst.

YANG D, QIU F, QIN J, RONG X