国家/地区 中国（4） 台湾（2） 美国（2）
IPC部 B（6）
IPC大类 B01（6）
IPC小类 B01D（6）
IPC C08K003/04（6）
发明人
公开年 2019（2） 2021（2） 2022（2）
申请年 2021（3）  2018（2） 
专利权人

Preparing polydimethylsiloxane/graphene oxide modified polyurethane involves taking tetrahydrofuran as a monomer, boron trifluoride diethyl etherate as an initiator, epichlorohydrin and glycerol/water as co-initiator, introducing nitrogen, mechanically stirring and adding deionized water.

XIAO X, ZHAO Y, SHEN B

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

Filter used in device e.g. mask, breathing apparatus and face covering, vent cover and heating, ventilation, has polyurethane-based polymer foam comprising virucidal/bactericidal agent having cetylpyridinium chloride and/or dimethyloctadecyl(3-(trimethyloxysilyl)propyl)ammonium chloride.

RAMAPPA D A, JOGIKALMATH G

Preparing self-repairing hydrophilic porous photothermal film useful in field of photothermal water evaporation, comprises mixing polyethylene glycol, polytetrahydrofuran and dicyclohexylmethane-4,4'-diisocyanate for polymerization reaction.

LI Y, XU F, SUN J

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

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